/* PowerPC-specific support for 32-bit ELF
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/* PowerPC-specific support for 32-bit ELF
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Cygnus Support.
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Written by Ian Lance Taylor, Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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along with this program; if not, write to the
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Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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Boston, MA 02110-1301, USA. */
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/* This file is based on a preliminary PowerPC ELF ABI. The
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/* This file is based on a preliminary PowerPC ELF ABI. The
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information may not match the final PowerPC ELF ABI. It includes
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information may not match the final PowerPC ELF ABI. It includes
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suggestions from the in-progress Embedded PowerPC ABI, and that
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suggestions from the in-progress Embedded PowerPC ABI, and that
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information may also not match. */
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information may also not match. */
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#include "sysdep.h"
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#include "sysdep.h"
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#include <stdarg.h>
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#include <stdarg.h>
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#include "bfd.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf-bfd.h"
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#include "elf/ppc.h"
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#include "elf/ppc.h"
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#include "elf32-ppc.h"
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#include "elf32-ppc.h"
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#include "elf-vxworks.h"
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#include "elf-vxworks.h"
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/* RELA relocations are used here. */
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/* RELA relocations are used here. */
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static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
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static bfd_reloc_status_type ppc_elf_addr16_ha_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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static bfd_reloc_status_type ppc_elf_unhandled_reloc
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static bfd_reloc_status_type ppc_elf_unhandled_reloc
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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/* Branch prediction bit for branch taken relocs. */
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/* Branch prediction bit for branch taken relocs. */
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#define BRANCH_PREDICT_BIT 0x200000
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#define BRANCH_PREDICT_BIT 0x200000
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/* Mask to set RA in memory instructions. */
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/* Mask to set RA in memory instructions. */
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#define RA_REGISTER_MASK 0x001f0000
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#define RA_REGISTER_MASK 0x001f0000
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/* Value to shift register by to insert RA. */
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/* Value to shift register by to insert RA. */
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#define RA_REGISTER_SHIFT 16
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#define RA_REGISTER_SHIFT 16
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/* The name of the dynamic interpreter. This is put in the .interp
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/* The name of the dynamic interpreter. This is put in the .interp
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section. */
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section. */
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
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/* For old-style PLT. */
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/* For old-style PLT. */
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/* The number of single-slot PLT entries (the rest use two slots). */
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/* The number of single-slot PLT entries (the rest use two slots). */
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#define PLT_NUM_SINGLE_ENTRIES 8192
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#define PLT_NUM_SINGLE_ENTRIES 8192
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/* For new-style .glink and .plt. */
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/* For new-style .glink and .plt. */
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#define GLINK_PLTRESOLVE 16*4
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#define GLINK_PLTRESOLVE 16*4
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#define GLINK_ENTRY_SIZE 4*4
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#define GLINK_ENTRY_SIZE 4*4
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#define TLS_GET_ADDR_GLINK_SIZE 12*4
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#define TLS_GET_ADDR_GLINK_SIZE 12*4
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/* VxWorks uses its own plt layout, filled in by the static linker. */
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/* VxWorks uses its own plt layout, filled in by the static linker. */
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/* The standard VxWorks PLT entry. */
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/* The standard VxWorks PLT entry. */
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#define VXWORKS_PLT_ENTRY_SIZE 32
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#define VXWORKS_PLT_ENTRY_SIZE 32
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static const bfd_vma ppc_elf_vxworks_plt_entry
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static const bfd_vma ppc_elf_vxworks_plt_entry
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[VXWORKS_PLT_ENTRY_SIZE / 4] =
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[VXWORKS_PLT_ENTRY_SIZE / 4] =
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{
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{
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0x3d800000, /* lis r12,0 */
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0x3d800000, /* lis r12,0 */
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0x818c0000, /* lwz r12,0(r12) */
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0x818c0000, /* lwz r12,0(r12) */
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0x7d8903a6, /* mtctr r12 */
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0x7d8903a6, /* mtctr r12 */
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0x4e800420, /* bctr */
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0x4e800420, /* bctr */
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0x39600000, /* li r11,0 */
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0x39600000, /* li r11,0 */
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0x48000000, /* b 14 <.PLT0resolve+0x4> */
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0x48000000, /* b 14 <.PLT0resolve+0x4> */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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};
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};
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static const bfd_vma ppc_elf_vxworks_pic_plt_entry
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static const bfd_vma ppc_elf_vxworks_pic_plt_entry
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[VXWORKS_PLT_ENTRY_SIZE / 4] =
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[VXWORKS_PLT_ENTRY_SIZE / 4] =
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{
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{
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0x3d9e0000, /* addis r12,r30,0 */
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0x3d9e0000, /* addis r12,r30,0 */
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0x818c0000, /* lwz r12,0(r12) */
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0x818c0000, /* lwz r12,0(r12) */
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0x7d8903a6, /* mtctr r12 */
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0x7d8903a6, /* mtctr r12 */
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0x4e800420, /* bctr */
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0x4e800420, /* bctr */
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0x39600000, /* li r11,0 */
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0x39600000, /* li r11,0 */
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0x48000000, /* b 14 <.PLT0resolve+0x4> 14: R_PPC_REL24 .PLTresolve */
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0x48000000, /* b 14 <.PLT0resolve+0x4> 14: R_PPC_REL24 .PLTresolve */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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};
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};
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/* The initial VxWorks PLT entry. */
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/* The initial VxWorks PLT entry. */
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#define VXWORKS_PLT_INITIAL_ENTRY_SIZE 32
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#define VXWORKS_PLT_INITIAL_ENTRY_SIZE 32
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static const bfd_vma ppc_elf_vxworks_plt0_entry
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static const bfd_vma ppc_elf_vxworks_plt0_entry
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[VXWORKS_PLT_INITIAL_ENTRY_SIZE / 4] =
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[VXWORKS_PLT_INITIAL_ENTRY_SIZE / 4] =
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{
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{
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0x3d800000, /* lis r12,0 */
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0x3d800000, /* lis r12,0 */
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0x398c0000, /* addi r12,r12,0 */
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0x398c0000, /* addi r12,r12,0 */
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0x800c0008, /* lwz r0,8(r12) */
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0x800c0008, /* lwz r0,8(r12) */
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0x7c0903a6, /* mtctr r0 */
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0x7c0903a6, /* mtctr r0 */
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0x818c0004, /* lwz r12,4(r12) */
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0x818c0004, /* lwz r12,4(r12) */
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0x4e800420, /* bctr */
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0x4e800420, /* bctr */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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};
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};
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static const bfd_vma ppc_elf_vxworks_pic_plt0_entry
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static const bfd_vma ppc_elf_vxworks_pic_plt0_entry
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[VXWORKS_PLT_INITIAL_ENTRY_SIZE / 4] =
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[VXWORKS_PLT_INITIAL_ENTRY_SIZE / 4] =
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{
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{
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0x819e0008, /* lwz r12,8(r30) */
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0x819e0008, /* lwz r12,8(r30) */
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0x7d8903a6, /* mtctr r12 */
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0x7d8903a6, /* mtctr r12 */
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0x819e0004, /* lwz r12,4(r30) */
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0x819e0004, /* lwz r12,4(r30) */
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0x4e800420, /* bctr */
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0x4e800420, /* bctr */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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0x60000000, /* nop */
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};
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};
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/* For executables, we have some additional relocations in
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/* For executables, we have some additional relocations in
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.rela.plt.unloaded, for the kernel loader. */
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.rela.plt.unloaded, for the kernel loader. */
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/* The number of non-JMP_SLOT relocations per PLT0 slot. */
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/* The number of non-JMP_SLOT relocations per PLT0 slot. */
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#define VXWORKS_PLT_NON_JMP_SLOT_RELOCS 3
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#define VXWORKS_PLT_NON_JMP_SLOT_RELOCS 3
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/* The number of relocations in the PLTResolve slot. */
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/* The number of relocations in the PLTResolve slot. */
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#define VXWORKS_PLTRESOLVE_RELOCS 2
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#define VXWORKS_PLTRESOLVE_RELOCS 2
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/* The number of relocations in the PLTResolve slot when when creating
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/* The number of relocations in the PLTResolve slot when when creating
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a shared library. */
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a shared library. */
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#define VXWORKS_PLTRESOLVE_RELOCS_SHLIB 0
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#define VXWORKS_PLTRESOLVE_RELOCS_SHLIB 0
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/* Some instructions. */
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/* Some instructions. */
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#define ADDIS_11_11 0x3d6b0000
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#define ADDIS_11_11 0x3d6b0000
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#define ADDIS_11_30 0x3d7e0000
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#define ADDIS_11_30 0x3d7e0000
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#define ADDIS_12_12 0x3d8c0000
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#define ADDIS_12_12 0x3d8c0000
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#define ADDI_11_11 0x396b0000
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#define ADDI_11_11 0x396b0000
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#define ADD_0_11_11 0x7c0b5a14
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#define ADD_0_11_11 0x7c0b5a14
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#define ADD_3_12_2 0x7c6c1214
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#define ADD_3_12_2 0x7c6c1214
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#define ADD_11_0_11 0x7d605a14
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#define ADD_11_0_11 0x7d605a14
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#define B 0x48000000
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#define B 0x48000000
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#define BCL_20_31 0x429f0005
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#define BCL_20_31 0x429f0005
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#define BCTR 0x4e800420
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#define BCTR 0x4e800420
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#define BEQLR 0x4d820020
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#define BEQLR 0x4d820020
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#define CMPWI_11_0 0x2c0b0000
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#define CMPWI_11_0 0x2c0b0000
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#define LIS_11 0x3d600000
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#define LIS_11 0x3d600000
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#define LIS_12 0x3d800000
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#define LIS_12 0x3d800000
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#define LWZU_0_12 0x840c0000
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#define LWZU_0_12 0x840c0000
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#define LWZ_0_12 0x800c0000
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#define LWZ_0_12 0x800c0000
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#define LWZ_11_3 0x81630000
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#define LWZ_11_3 0x81630000
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#define LWZ_11_11 0x816b0000
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#define LWZ_11_11 0x816b0000
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#define LWZ_11_30 0x817e0000
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#define LWZ_11_30 0x817e0000
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#define LWZ_12_3 0x81830000
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#define LWZ_12_3 0x81830000
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#define LWZ_12_12 0x818c0000
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#define LWZ_12_12 0x818c0000
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#define MR_0_3 0x7c601b78
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#define MR_0_3 0x7c601b78
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#define MR_3_0 0x7c030378
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#define MR_3_0 0x7c030378
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#define MFLR_0 0x7c0802a6
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#define MFLR_0 0x7c0802a6
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#define MFLR_12 0x7d8802a6
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#define MFLR_12 0x7d8802a6
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#define MTCTR_0 0x7c0903a6
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#define MTCTR_0 0x7c0903a6
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#define MTCTR_11 0x7d6903a6
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#define MTCTR_11 0x7d6903a6
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#define MTLR_0 0x7c0803a6
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#define MTLR_0 0x7c0803a6
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#define NOP 0x60000000
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#define NOP 0x60000000
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#define SUB_11_11_12 0x7d6c5850
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#define SUB_11_11_12 0x7d6c5850
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/* Offset of tp and dtp pointers from start of TLS block. */
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/* Offset of tp and dtp pointers from start of TLS block. */
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#define TP_OFFSET 0x7000
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#define TP_OFFSET 0x7000
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#define DTP_OFFSET 0x8000
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#define DTP_OFFSET 0x8000
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/* The value of a defined global symbol. */
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/* The value of a defined global symbol. */
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#define SYM_VAL(SYM) \
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#define SYM_VAL(SYM) \
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((SYM)->root.u.def.section->output_section->vma \
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((SYM)->root.u.def.section->output_section->vma \
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+ (SYM)->root.u.def.section->output_offset \
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+ (SYM)->root.u.def.section->output_offset \
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+ (SYM)->root.u.def.value)
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+ (SYM)->root.u.def.value)
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static reloc_howto_type *ppc_elf_howto_table[R_PPC_max];
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static reloc_howto_type *ppc_elf_howto_table[R_PPC_max];
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static reloc_howto_type ppc_elf_howto_raw[] = {
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static reloc_howto_type ppc_elf_howto_raw[] = {
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/* This reloc does nothing. */
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/* This reloc does nothing. */
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HOWTO (R_PPC_NONE, /* type */
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HOWTO (R_PPC_NONE, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_PPC_NONE", /* name */
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"R_PPC_NONE", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0, /* dst_mask */
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0, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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/* A standard 32 bit relocation. */
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/* A standard 32 bit relocation. */
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HOWTO (R_PPC_ADDR32, /* type */
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HOWTO (R_PPC_ADDR32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_PPC_ADDR32", /* name */
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"R_PPC_ADDR32", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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/* An absolute 26 bit branch; the lower two bits must be zero.
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/* An absolute 26 bit branch; the lower two bits must be zero.
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FIXME: we don't check that, we just clear them. */
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FIXME: we don't check that, we just clear them. */
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HOWTO (R_PPC_ADDR24, /* type */
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HOWTO (R_PPC_ADDR24, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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26, /* bitsize */
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26, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_PPC_ADDR24", /* name */
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"R_PPC_ADDR24", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0x3fffffc, /* dst_mask */
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0x3fffffc, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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/* A standard 16 bit relocation. */
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/* A standard 16 bit relocation. */
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HOWTO (R_PPC_ADDR16, /* type */
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HOWTO (R_PPC_ADDR16, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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16, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_PPC_ADDR16", /* name */
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"R_PPC_ADDR16", /* name */
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FALSE, /* partial_inplace */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0xffff, /* dst_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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FALSE), /* pcrel_offset */
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|
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/* A 16 bit relocation without overflow. */
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/* A 16 bit relocation without overflow. */
|
HOWTO (R_PPC_ADDR16_LO, /* type */
|
HOWTO (R_PPC_ADDR16_LO, /* type */
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0, /* rightshift */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
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16, /* bitsize */
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FALSE, /* pc_relative */
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FALSE, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
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"R_PPC_ADDR16_LO", /* name */
|
"R_PPC_ADDR16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of an address. */
|
/* The high order 16 bits of an address. */
|
HOWTO (R_PPC_ADDR16_HI, /* type */
|
HOWTO (R_PPC_ADDR16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_ADDR16_HI", /* name */
|
"R_PPC_ADDR16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of an address, plus 1 if the contents of
|
/* The high order 16 bits of an address, plus 1 if the contents of
|
the low 16 bits, treated as a signed number, is negative. */
|
the low 16 bits, treated as a signed number, is negative. */
|
HOWTO (R_PPC_ADDR16_HA, /* type */
|
HOWTO (R_PPC_ADDR16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_ADDR16_HA", /* name */
|
"R_PPC_ADDR16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch; the lower two bits must be zero.
|
/* An absolute 16 bit branch; the lower two bits must be zero.
|
FIXME: we don't check that, we just clear them. */
|
FIXME: we don't check that, we just clear them. */
|
HOWTO (R_PPC_ADDR14, /* type */
|
HOWTO (R_PPC_ADDR14, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_ADDR14", /* name */
|
"R_PPC_ADDR14", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
indicate that the branch is expected to be taken. The lower two
|
indicate that the branch is expected to be taken. The lower two
|
bits must be zero. */
|
bits must be zero. */
|
HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
|
HOWTO (R_PPC_ADDR14_BRTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_ADDR14_BRTAKEN",/* name */
|
"R_PPC_ADDR14_BRTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
/* An absolute 16 bit branch, for which bit 10 should be set to
|
indicate that the branch is not expected to be taken. The lower
|
indicate that the branch is not expected to be taken. The lower
|
two bits must be zero. */
|
two bits must be zero. */
|
HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
|
HOWTO (R_PPC_ADDR14_BRNTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_ADDR14_BRNTAKEN",/* name */
|
"R_PPC_ADDR14_BRNTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A relative 26 bit branch; the lower two bits must be zero. */
|
/* A relative 26 bit branch; the lower two bits must be zero. */
|
HOWTO (R_PPC_REL24, /* type */
|
HOWTO (R_PPC_REL24, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL24", /* name */
|
"R_PPC_REL24", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x3fffffc, /* dst_mask */
|
0x3fffffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch; the lower two bits must be zero. */
|
/* A relative 16 bit branch; the lower two bits must be zero. */
|
HOWTO (R_PPC_REL14, /* type */
|
HOWTO (R_PPC_REL14, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL14", /* name */
|
"R_PPC_REL14", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
the branch is expected to be taken. The lower two bits must be
|
the branch is expected to be taken. The lower two bits must be
|
zero. */
|
zero. */
|
HOWTO (R_PPC_REL14_BRTAKEN, /* type */
|
HOWTO (R_PPC_REL14_BRTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL14_BRTAKEN", /* name */
|
"R_PPC_REL14_BRTAKEN", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
/* A relative 16 bit branch. Bit 10 should be set to indicate that
|
the branch is not expected to be taken. The lower two bits must
|
the branch is not expected to be taken. The lower two bits must
|
be zero. */
|
be zero. */
|
HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
|
HOWTO (R_PPC_REL14_BRNTAKEN, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL14_BRNTAKEN",/* name */
|
"R_PPC_REL14_BRNTAKEN",/* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfffc, /* dst_mask */
|
0xfffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16, but referring to the GOT table entry for the
|
/* Like R_PPC_ADDR16, but referring to the GOT table entry for the
|
symbol. */
|
symbol. */
|
HOWTO (R_PPC_GOT16, /* type */
|
HOWTO (R_PPC_GOT16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_GOT16", /* name */
|
"R_PPC_GOT16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
|
/* Like R_PPC_ADDR16_LO, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_GOT16_LO, /* type */
|
HOWTO (R_PPC_GOT16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_GOT16_LO", /* name */
|
"R_PPC_GOT16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
|
/* Like R_PPC_ADDR16_HI, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_GOT16_HI, /* type */
|
HOWTO (R_PPC_GOT16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_GOT16_HI", /* name */
|
"R_PPC_GOT16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
|
/* Like R_PPC_ADDR16_HA, but referring to the GOT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_GOT16_HA, /* type */
|
HOWTO (R_PPC_GOT16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_GOT16_HA", /* name */
|
"R_PPC_GOT16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_REL24, but referring to the procedure linkage table
|
/* Like R_PPC_REL24, but referring to the procedure linkage table
|
entry for the symbol. */
|
entry for the symbol. */
|
HOWTO (R_PPC_PLTREL24, /* type */
|
HOWTO (R_PPC_PLTREL24, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_PLTREL24", /* name */
|
"R_PPC_PLTREL24", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x3fffffc, /* dst_mask */
|
0x3fffffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* This is used only by the dynamic linker. The symbol should exist
|
/* This is used only by the dynamic linker. The symbol should exist
|
both in the object being run and in some shared library. The
|
both in the object being run and in some shared library. The
|
dynamic linker copies the data addressed by the symbol from the
|
dynamic linker copies the data addressed by the symbol from the
|
shared library into the object, because the object being
|
shared library into the object, because the object being
|
run has to have the data at some particular address. */
|
run has to have the data at some particular address. */
|
HOWTO (R_PPC_COPY, /* type */
|
HOWTO (R_PPC_COPY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_COPY", /* name */
|
"R_PPC_COPY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR32, but used when setting global offset table
|
/* Like R_PPC_ADDR32, but used when setting global offset table
|
entries. */
|
entries. */
|
HOWTO (R_PPC_GLOB_DAT, /* type */
|
HOWTO (R_PPC_GLOB_DAT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_GLOB_DAT", /* name */
|
"R_PPC_GLOB_DAT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Marks a procedure linkage table entry for a symbol. */
|
/* Marks a procedure linkage table entry for a symbol. */
|
HOWTO (R_PPC_JMP_SLOT, /* type */
|
HOWTO (R_PPC_JMP_SLOT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_JMP_SLOT", /* name */
|
"R_PPC_JMP_SLOT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Used only by the dynamic linker. When the object is run, this
|
/* Used only by the dynamic linker. When the object is run, this
|
longword is set to the load address of the object, plus the
|
longword is set to the load address of the object, plus the
|
addend. */
|
addend. */
|
HOWTO (R_PPC_RELATIVE, /* type */
|
HOWTO (R_PPC_RELATIVE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_RELATIVE", /* name */
|
"R_PPC_RELATIVE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_REL24, but uses the value of the symbol within the
|
/* Like R_PPC_REL24, but uses the value of the symbol within the
|
object rather than the final value. Normally used for
|
object rather than the final value. Normally used for
|
_GLOBAL_OFFSET_TABLE_. */
|
_GLOBAL_OFFSET_TABLE_. */
|
HOWTO (R_PPC_LOCAL24PC, /* type */
|
HOWTO (R_PPC_LOCAL24PC, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
26, /* bitsize */
|
26, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_LOCAL24PC", /* name */
|
"R_PPC_LOCAL24PC", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x3fffffc, /* dst_mask */
|
0x3fffffc, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR32, but may be unaligned. */
|
/* Like R_PPC_ADDR32, but may be unaligned. */
|
HOWTO (R_PPC_UADDR32, /* type */
|
HOWTO (R_PPC_UADDR32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_UADDR32", /* name */
|
"R_PPC_UADDR32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16, but may be unaligned. */
|
/* Like R_PPC_ADDR16, but may be unaligned. */
|
HOWTO (R_PPC_UADDR16, /* type */
|
HOWTO (R_PPC_UADDR16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_UADDR16", /* name */
|
"R_PPC_UADDR16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 32-bit PC relative */
|
/* 32-bit PC relative */
|
HOWTO (R_PPC_REL32, /* type */
|
HOWTO (R_PPC_REL32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL32", /* name */
|
"R_PPC_REL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* 32-bit relocation to the symbol's procedure linkage table.
|
/* 32-bit relocation to the symbol's procedure linkage table.
|
FIXME: not supported. */
|
FIXME: not supported. */
|
HOWTO (R_PPC_PLT32, /* type */
|
HOWTO (R_PPC_PLT32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_PLT32", /* name */
|
"R_PPC_PLT32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
|
/* 32-bit PC relative relocation to the symbol's procedure linkage table.
|
FIXME: not supported. */
|
FIXME: not supported. */
|
HOWTO (R_PPC_PLTREL32, /* type */
|
HOWTO (R_PPC_PLTREL32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_PLTREL32", /* name */
|
"R_PPC_PLTREL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
|
/* Like R_PPC_ADDR16_LO, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_PLT16_LO, /* type */
|
HOWTO (R_PPC_PLT16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_PLT16_LO", /* name */
|
"R_PPC_PLT16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
|
/* Like R_PPC_ADDR16_HI, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_PLT16_HI, /* type */
|
HOWTO (R_PPC_PLT16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_PLT16_HI", /* name */
|
"R_PPC_PLT16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
|
/* Like R_PPC_ADDR16_HA, but referring to the PLT table entry for
|
the symbol. */
|
the symbol. */
|
HOWTO (R_PPC_PLT16_HA, /* type */
|
HOWTO (R_PPC_PLT16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_PLT16_HA", /* name */
|
"R_PPC_PLT16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
|
/* A sign-extended 16 bit value relative to _SDA_BASE_, for use with
|
small data items. */
|
small data items. */
|
HOWTO (R_PPC_SDAREL16, /* type */
|
HOWTO (R_PPC_SDAREL16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_SDAREL16", /* name */
|
"R_PPC_SDAREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit section relative relocation. */
|
/* 16-bit section relative relocation. */
|
HOWTO (R_PPC_SECTOFF, /* type */
|
HOWTO (R_PPC_SECTOFF, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_SECTOFF", /* name */
|
"R_PPC_SECTOFF", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit lower half section relative relocation. */
|
/* 16-bit lower half section relative relocation. */
|
HOWTO (R_PPC_SECTOFF_LO, /* type */
|
HOWTO (R_PPC_SECTOFF_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_SECTOFF_LO", /* name */
|
"R_PPC_SECTOFF_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit upper half section relative relocation. */
|
/* 16-bit upper half section relative relocation. */
|
HOWTO (R_PPC_SECTOFF_HI, /* type */
|
HOWTO (R_PPC_SECTOFF_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_SECTOFF_HI", /* name */
|
"R_PPC_SECTOFF_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16-bit upper half adjusted section relative relocation. */
|
/* 16-bit upper half adjusted section relative relocation. */
|
HOWTO (R_PPC_SECTOFF_HA, /* type */
|
HOWTO (R_PPC_SECTOFF_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_SECTOFF_HA", /* name */
|
"R_PPC_SECTOFF_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Marker relocs for TLS. */
|
/* Marker relocs for TLS. */
|
HOWTO (R_PPC_TLS,
|
HOWTO (R_PPC_TLS,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_TLS", /* name */
|
"R_PPC_TLS", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_PPC_TLSGD,
|
HOWTO (R_PPC_TLSGD,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_TLSGD", /* name */
|
"R_PPC_TLSGD", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_PPC_TLSLD,
|
HOWTO (R_PPC_TLSLD,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_TLSLD", /* name */
|
"R_PPC_TLSLD", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes the load module index of the load module that contains the
|
/* Computes the load module index of the load module that contains the
|
definition of its TLS sym. */
|
definition of its TLS sym. */
|
HOWTO (R_PPC_DTPMOD32,
|
HOWTO (R_PPC_DTPMOD32,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPMOD32", /* name */
|
"R_PPC_DTPMOD32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes a dtv-relative displacement, the difference between the value
|
/* Computes a dtv-relative displacement, the difference between the value
|
of sym+add and the base address of the thread-local storage block that
|
of sym+add and the base address of the thread-local storage block that
|
contains the definition of sym, minus 0x8000. */
|
contains the definition of sym, minus 0x8000. */
|
HOWTO (R_PPC_DTPREL32,
|
HOWTO (R_PPC_DTPREL32,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPREL32", /* name */
|
"R_PPC_DTPREL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit dtprel reloc. */
|
/* A 16 bit dtprel reloc. */
|
HOWTO (R_PPC_DTPREL16,
|
HOWTO (R_PPC_DTPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPREL16", /* name */
|
"R_PPC_DTPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16, but no overflow. */
|
/* Like DTPREL16, but no overflow. */
|
HOWTO (R_PPC_DTPREL16_LO,
|
HOWTO (R_PPC_DTPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPREL16_LO", /* name */
|
"R_PPC_DTPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_LO, but next higher group of 16 bits. */
|
/* Like DTPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_DTPREL16_HI,
|
HOWTO (R_PPC_DTPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPREL16_HI", /* name */
|
"R_PPC_DTPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like DTPREL16_HI, but adjust for low 16 bits. */
|
/* Like DTPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_DTPREL16_HA,
|
HOWTO (R_PPC_DTPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_DTPREL16_HA", /* name */
|
"R_PPC_DTPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Computes a tp-relative displacement, the difference between the value of
|
/* Computes a tp-relative displacement, the difference between the value of
|
sym+add and the value of the thread pointer (r13). */
|
sym+add and the value of the thread pointer (r13). */
|
HOWTO (R_PPC_TPREL32,
|
HOWTO (R_PPC_TPREL32,
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_TPREL32", /* name */
|
"R_PPC_TPREL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit tprel reloc. */
|
/* A 16 bit tprel reloc. */
|
HOWTO (R_PPC_TPREL16,
|
HOWTO (R_PPC_TPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_TPREL16", /* name */
|
"R_PPC_TPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16, but no overflow. */
|
/* Like TPREL16, but no overflow. */
|
HOWTO (R_PPC_TPREL16_LO,
|
HOWTO (R_PPC_TPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_TPREL16_LO", /* name */
|
"R_PPC_TPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_LO, but next higher group of 16 bits. */
|
/* Like TPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_TPREL16_HI,
|
HOWTO (R_PPC_TPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_TPREL16_HI", /* name */
|
"R_PPC_TPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like TPREL16_HI, but adjust for low 16 bits. */
|
/* Like TPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_TPREL16_HA,
|
HOWTO (R_PPC_TPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_TPREL16_HA", /* name */
|
"R_PPC_TPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
|
with values (sym+add)@dtpmod and (sym+add)@dtprel, and computes the offset
|
to the first entry. */
|
to the first entry. */
|
HOWTO (R_PPC_GOT_TLSGD16,
|
HOWTO (R_PPC_GOT_TLSGD16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSGD16", /* name */
|
"R_PPC_GOT_TLSGD16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16, but no overflow. */
|
/* Like GOT_TLSGD16, but no overflow. */
|
HOWTO (R_PPC_GOT_TLSGD16_LO,
|
HOWTO (R_PPC_GOT_TLSGD16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSGD16_LO", /* name */
|
"R_PPC_GOT_TLSGD16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
|
/* Like GOT_TLSGD16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_GOT_TLSGD16_HI,
|
HOWTO (R_PPC_GOT_TLSGD16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSGD16_HI", /* name */
|
"R_PPC_GOT_TLSGD16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TLSGD16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_GOT_TLSGD16_HA,
|
HOWTO (R_PPC_GOT_TLSGD16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSGD16_HA", /* name */
|
"R_PPC_GOT_TLSGD16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
/* Allocates two contiguous entries in the GOT to hold a tls_index structure,
|
with values (sym+add)@dtpmod and zero, and computes the offset to the
|
with values (sym+add)@dtpmod and zero, and computes the offset to the
|
first entry. */
|
first entry. */
|
HOWTO (R_PPC_GOT_TLSLD16,
|
HOWTO (R_PPC_GOT_TLSLD16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSLD16", /* name */
|
"R_PPC_GOT_TLSLD16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16, but no overflow. */
|
/* Like GOT_TLSLD16, but no overflow. */
|
HOWTO (R_PPC_GOT_TLSLD16_LO,
|
HOWTO (R_PPC_GOT_TLSLD16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSLD16_LO", /* name */
|
"R_PPC_GOT_TLSLD16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
|
/* Like GOT_TLSLD16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_GOT_TLSLD16_HI,
|
HOWTO (R_PPC_GOT_TLSLD16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSLD16_HI", /* name */
|
"R_PPC_GOT_TLSLD16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TLSLD16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_GOT_TLSLD16_HA,
|
HOWTO (R_PPC_GOT_TLSLD16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TLSLD16_HA", /* name */
|
"R_PPC_GOT_TLSLD16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
|
/* Allocates an entry in the GOT with value (sym+add)@dtprel, and computes
|
the offset to the entry. */
|
the offset to the entry. */
|
HOWTO (R_PPC_GOT_DTPREL16,
|
HOWTO (R_PPC_GOT_DTPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_DTPREL16", /* name */
|
"R_PPC_GOT_DTPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16, but no overflow. */
|
/* Like GOT_DTPREL16, but no overflow. */
|
HOWTO (R_PPC_GOT_DTPREL16_LO,
|
HOWTO (R_PPC_GOT_DTPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_DTPREL16_LO", /* name */
|
"R_PPC_GOT_DTPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */
|
/* Like GOT_DTPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_GOT_DTPREL16_HI,
|
HOWTO (R_PPC_GOT_DTPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_DTPREL16_HI", /* name */
|
"R_PPC_GOT_DTPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
|
/* Like GOT_DTPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_GOT_DTPREL16_HA,
|
HOWTO (R_PPC_GOT_DTPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_DTPREL16_HA", /* name */
|
"R_PPC_GOT_DTPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
|
/* Allocates an entry in the GOT with value (sym+add)@tprel, and computes the
|
offset to the entry. */
|
offset to the entry. */
|
HOWTO (R_PPC_GOT_TPREL16,
|
HOWTO (R_PPC_GOT_TPREL16,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TPREL16", /* name */
|
"R_PPC_GOT_TPREL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16, but no overflow. */
|
/* Like GOT_TPREL16, but no overflow. */
|
HOWTO (R_PPC_GOT_TPREL16_LO,
|
HOWTO (R_PPC_GOT_TPREL16_LO,
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TPREL16_LO", /* name */
|
"R_PPC_GOT_TPREL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16_LO, but next higher group of 16 bits. */
|
/* Like GOT_TPREL16_LO, but next higher group of 16 bits. */
|
HOWTO (R_PPC_GOT_TPREL16_HI,
|
HOWTO (R_PPC_GOT_TPREL16_HI,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TPREL16_HI", /* name */
|
"R_PPC_GOT_TPREL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
|
/* Like GOT_TPREL16_HI, but adjust for low 16 bits. */
|
HOWTO (R_PPC_GOT_TPREL16_HA,
|
HOWTO (R_PPC_GOT_TPREL16_HA,
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_unhandled_reloc, /* special_function */
|
ppc_elf_unhandled_reloc, /* special_function */
|
"R_PPC_GOT_TPREL16_HA", /* name */
|
"R_PPC_GOT_TPREL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The remaining relocs are from the Embedded ELF ABI, and are not
|
/* The remaining relocs are from the Embedded ELF ABI, and are not
|
in the SVR4 ELF ABI. */
|
in the SVR4 ELF ABI. */
|
|
|
/* 32 bit value resulting from the addend minus the symbol. */
|
/* 32 bit value resulting from the addend minus the symbol. */
|
HOWTO (R_PPC_EMB_NADDR32, /* type */
|
HOWTO (R_PPC_EMB_NADDR32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_NADDR32", /* name */
|
"R_PPC_EMB_NADDR32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit value resulting from the addend minus the symbol. */
|
/* 16 bit value resulting from the addend minus the symbol. */
|
HOWTO (R_PPC_EMB_NADDR16, /* type */
|
HOWTO (R_PPC_EMB_NADDR16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_NADDR16", /* name */
|
"R_PPC_EMB_NADDR16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit value resulting from the addend minus the symbol. */
|
/* 16 bit value resulting from the addend minus the symbol. */
|
HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
|
HOWTO (R_PPC_EMB_NADDR16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_ADDR16_LO", /* name */
|
"R_PPC_EMB_ADDR16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of the addend minus the symbol. */
|
/* The high order 16 bits of the addend minus the symbol. */
|
HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
|
HOWTO (R_PPC_EMB_NADDR16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_NADDR16_HI", /* name */
|
"R_PPC_EMB_NADDR16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of the result of the addend minus the address,
|
/* The high order 16 bits of the result of the addend minus the address,
|
plus 1 if the contents of the low 16 bits, treated as a signed number,
|
plus 1 if the contents of the low 16 bits, treated as a signed number,
|
is negative. */
|
is negative. */
|
HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
|
HOWTO (R_PPC_EMB_NADDR16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_EMB_NADDR16_HA", /* name */
|
"R_PPC_EMB_NADDR16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit value resulting from allocating a 4 byte word to hold an
|
/* 16 bit value resulting from allocating a 4 byte word to hold an
|
address in the .sdata section, and returning the offset from
|
address in the .sdata section, and returning the offset from
|
_SDA_BASE_ for that relocation. */
|
_SDA_BASE_ for that relocation. */
|
HOWTO (R_PPC_EMB_SDAI16, /* type */
|
HOWTO (R_PPC_EMB_SDAI16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_SDAI16", /* name */
|
"R_PPC_EMB_SDAI16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 16 bit value resulting from allocating a 4 byte word to hold an
|
/* 16 bit value resulting from allocating a 4 byte word to hold an
|
address in the .sdata2 section, and returning the offset from
|
address in the .sdata2 section, and returning the offset from
|
_SDA2_BASE_ for that relocation. */
|
_SDA2_BASE_ for that relocation. */
|
HOWTO (R_PPC_EMB_SDA2I16, /* type */
|
HOWTO (R_PPC_EMB_SDA2I16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_SDA2I16", /* name */
|
"R_PPC_EMB_SDA2I16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
|
/* A sign-extended 16 bit value relative to _SDA2_BASE_, for use with
|
small data items. */
|
small data items. */
|
HOWTO (R_PPC_EMB_SDA2REL, /* type */
|
HOWTO (R_PPC_EMB_SDA2REL, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_SDA2REL", /* name */
|
"R_PPC_EMB_SDA2REL", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
|
/* Relocate against either _SDA_BASE_ or _SDA2_BASE_, filling in the 16 bit
|
signed offset from the appropriate base, and filling in the register
|
signed offset from the appropriate base, and filling in the register
|
field with the appropriate register (0, 2, or 13). */
|
field with the appropriate register (0, 2, or 13). */
|
HOWTO (R_PPC_EMB_SDA21, /* type */
|
HOWTO (R_PPC_EMB_SDA21, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_SDA21", /* name */
|
"R_PPC_EMB_SDA21", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Relocation not handled: R_PPC_EMB_MRKREF */
|
/* Relocation not handled: R_PPC_EMB_MRKREF */
|
/* Relocation not handled: R_PPC_EMB_RELSEC16 */
|
/* Relocation not handled: R_PPC_EMB_RELSEC16 */
|
/* Relocation not handled: R_PPC_EMB_RELST_LO */
|
/* Relocation not handled: R_PPC_EMB_RELST_LO */
|
/* Relocation not handled: R_PPC_EMB_RELST_HI */
|
/* Relocation not handled: R_PPC_EMB_RELST_HI */
|
/* Relocation not handled: R_PPC_EMB_RELST_HA */
|
/* Relocation not handled: R_PPC_EMB_RELST_HA */
|
/* Relocation not handled: R_PPC_EMB_BIT_FLD */
|
/* Relocation not handled: R_PPC_EMB_BIT_FLD */
|
|
|
/* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
|
/* PC relative relocation against either _SDA_BASE_ or _SDA2_BASE_, filling
|
in the 16 bit signed offset from the appropriate base, and filling in the
|
in the 16 bit signed offset from the appropriate base, and filling in the
|
register field with the appropriate register (0, 2, or 13). */
|
register field with the appropriate register (0, 2, or 13). */
|
HOWTO (R_PPC_EMB_RELSDA, /* type */
|
HOWTO (R_PPC_EMB_RELSDA, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_EMB_RELSDA", /* name */
|
"R_PPC_EMB_RELSDA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
HOWTO (R_PPC_IRELATIVE, /* type */
|
HOWTO (R_PPC_IRELATIVE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_IRELATIVE", /* name */
|
"R_PPC_IRELATIVE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A 16 bit relative relocation. */
|
/* A 16 bit relative relocation. */
|
HOWTO (R_PPC_REL16, /* type */
|
HOWTO (R_PPC_REL16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL16", /* name */
|
"R_PPC_REL16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A 16 bit relative relocation without overflow. */
|
/* A 16 bit relative relocation without overflow. */
|
HOWTO (R_PPC_REL16_LO, /* type */
|
HOWTO (R_PPC_REL16_LO, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont,/* complain_on_overflow */
|
complain_overflow_dont,/* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL16_LO", /* name */
|
"R_PPC_REL16_LO", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of a relative address. */
|
/* The high order 16 bits of a relative address. */
|
HOWTO (R_PPC_REL16_HI, /* type */
|
HOWTO (R_PPC_REL16_HI, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_REL16_HI", /* name */
|
"R_PPC_REL16_HI", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* The high order 16 bits of a relative address, plus 1 if the contents of
|
/* The high order 16 bits of a relative address, plus 1 if the contents of
|
the low 16 bits, treated as a signed number, is negative. */
|
the low 16 bits, treated as a signed number, is negative. */
|
HOWTO (R_PPC_REL16_HA, /* type */
|
HOWTO (R_PPC_REL16_HA, /* type */
|
16, /* rightshift */
|
16, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
ppc_elf_addr16_ha_reloc, /* special_function */
|
"R_PPC_REL16_HA", /* name */
|
"R_PPC_REL16_HA", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable hierarchy. */
|
/* GNU extension to record C++ vtable hierarchy. */
|
HOWTO (R_PPC_GNU_VTINHERIT, /* type */
|
HOWTO (R_PPC_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_PPC_GNU_VTINHERIT", /* name */
|
"R_PPC_GNU_VTINHERIT", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* GNU extension to record C++ vtable member usage. */
|
/* GNU extension to record C++ vtable member usage. */
|
HOWTO (R_PPC_GNU_VTENTRY, /* type */
|
HOWTO (R_PPC_GNU_VTENTRY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* bitsize */
|
0, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_dont, /* complain_on_overflow */
|
complain_overflow_dont, /* complain_on_overflow */
|
NULL, /* special_function */
|
NULL, /* special_function */
|
"R_PPC_GNU_VTENTRY", /* name */
|
"R_PPC_GNU_VTENTRY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Phony reloc to handle AIX style TOC entries. */
|
/* Phony reloc to handle AIX style TOC entries. */
|
HOWTO (R_PPC_TOC16, /* type */
|
HOWTO (R_PPC_TOC16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_signed, /* complain_on_overflow */
|
complain_overflow_signed, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_PPC_TOC16", /* name */
|
"R_PPC_TOC16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
};
|
};
|
|
|
/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
|
/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
|
|
|
static void
|
static void
|
ppc_elf_howto_init (void)
|
ppc_elf_howto_init (void)
|
{
|
{
|
unsigned int i, type;
|
unsigned int i, type;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
|
i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
|
i++)
|
i++)
|
{
|
{
|
type = ppc_elf_howto_raw[i].type;
|
type = ppc_elf_howto_raw[i].type;
|
if (type >= (sizeof (ppc_elf_howto_table)
|
if (type >= (sizeof (ppc_elf_howto_table)
|
/ sizeof (ppc_elf_howto_table[0])))
|
/ sizeof (ppc_elf_howto_table[0])))
|
abort ();
|
abort ();
|
ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
|
ppc_elf_howto_table[type] = &ppc_elf_howto_raw[i];
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_reloc_code_real_type code)
|
bfd_reloc_code_real_type code)
|
{
|
{
|
enum elf_ppc_reloc_type r;
|
enum elf_ppc_reloc_type r;
|
|
|
/* Initialize howto table if not already done. */
|
/* Initialize howto table if not already done. */
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
ppc_elf_howto_init ();
|
ppc_elf_howto_init ();
|
|
|
switch (code)
|
switch (code)
|
{
|
{
|
default:
|
default:
|
return NULL;
|
return NULL;
|
|
|
case BFD_RELOC_NONE: r = R_PPC_NONE; break;
|
case BFD_RELOC_NONE: r = R_PPC_NONE; break;
|
case BFD_RELOC_32: r = R_PPC_ADDR32; break;
|
case BFD_RELOC_32: r = R_PPC_ADDR32; break;
|
case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
|
case BFD_RELOC_PPC_BA26: r = R_PPC_ADDR24; break;
|
case BFD_RELOC_16: r = R_PPC_ADDR16; break;
|
case BFD_RELOC_16: r = R_PPC_ADDR16; break;
|
case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
|
case BFD_RELOC_LO16: r = R_PPC_ADDR16_LO; break;
|
case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
|
case BFD_RELOC_HI16: r = R_PPC_ADDR16_HI; break;
|
case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
|
case BFD_RELOC_HI16_S: r = R_PPC_ADDR16_HA; break;
|
case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break;
|
case BFD_RELOC_PPC_BA16: r = R_PPC_ADDR14; break;
|
case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break;
|
case BFD_RELOC_PPC_BA16_BRTAKEN: r = R_PPC_ADDR14_BRTAKEN; break;
|
case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break;
|
case BFD_RELOC_PPC_BA16_BRNTAKEN: r = R_PPC_ADDR14_BRNTAKEN; break;
|
case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break;
|
case BFD_RELOC_PPC_B26: r = R_PPC_REL24; break;
|
case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
|
case BFD_RELOC_PPC_B16: r = R_PPC_REL14; break;
|
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
|
case BFD_RELOC_PPC_B16_BRTAKEN: r = R_PPC_REL14_BRTAKEN; break;
|
case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
|
case BFD_RELOC_PPC_B16_BRNTAKEN: r = R_PPC_REL14_BRNTAKEN; break;
|
case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
|
case BFD_RELOC_16_GOTOFF: r = R_PPC_GOT16; break;
|
case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
|
case BFD_RELOC_LO16_GOTOFF: r = R_PPC_GOT16_LO; break;
|
case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
|
case BFD_RELOC_HI16_GOTOFF: r = R_PPC_GOT16_HI; break;
|
case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
|
case BFD_RELOC_HI16_S_GOTOFF: r = R_PPC_GOT16_HA; break;
|
case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break;
|
case BFD_RELOC_24_PLT_PCREL: r = R_PPC_PLTREL24; break;
|
case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break;
|
case BFD_RELOC_PPC_COPY: r = R_PPC_COPY; break;
|
case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break;
|
case BFD_RELOC_PPC_GLOB_DAT: r = R_PPC_GLOB_DAT; break;
|
case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break;
|
case BFD_RELOC_PPC_LOCAL24PC: r = R_PPC_LOCAL24PC; break;
|
case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
|
case BFD_RELOC_32_PCREL: r = R_PPC_REL32; break;
|
case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
|
case BFD_RELOC_32_PLTOFF: r = R_PPC_PLT32; break;
|
case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
|
case BFD_RELOC_32_PLT_PCREL: r = R_PPC_PLTREL32; break;
|
case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
|
case BFD_RELOC_LO16_PLTOFF: r = R_PPC_PLT16_LO; break;
|
case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
|
case BFD_RELOC_HI16_PLTOFF: r = R_PPC_PLT16_HI; break;
|
case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
|
case BFD_RELOC_HI16_S_PLTOFF: r = R_PPC_PLT16_HA; break;
|
case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
|
case BFD_RELOC_GPREL16: r = R_PPC_SDAREL16; break;
|
case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
|
case BFD_RELOC_16_BASEREL: r = R_PPC_SECTOFF; break;
|
case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
|
case BFD_RELOC_LO16_BASEREL: r = R_PPC_SECTOFF_LO; break;
|
case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
|
case BFD_RELOC_HI16_BASEREL: r = R_PPC_SECTOFF_HI; break;
|
case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
|
case BFD_RELOC_HI16_S_BASEREL: r = R_PPC_SECTOFF_HA; break;
|
case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
|
case BFD_RELOC_CTOR: r = R_PPC_ADDR32; break;
|
case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
|
case BFD_RELOC_PPC_TOC16: r = R_PPC_TOC16; break;
|
case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
|
case BFD_RELOC_PPC_TLS: r = R_PPC_TLS; break;
|
case BFD_RELOC_PPC_TLSGD: r = R_PPC_TLSGD; break;
|
case BFD_RELOC_PPC_TLSGD: r = R_PPC_TLSGD; break;
|
case BFD_RELOC_PPC_TLSLD: r = R_PPC_TLSLD; break;
|
case BFD_RELOC_PPC_TLSLD: r = R_PPC_TLSLD; break;
|
case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
|
case BFD_RELOC_PPC_DTPMOD: r = R_PPC_DTPMOD32; break;
|
case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
|
case BFD_RELOC_PPC_TPREL16: r = R_PPC_TPREL16; break;
|
case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
|
case BFD_RELOC_PPC_TPREL16_LO: r = R_PPC_TPREL16_LO; break;
|
case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
|
case BFD_RELOC_PPC_TPREL16_HI: r = R_PPC_TPREL16_HI; break;
|
case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
|
case BFD_RELOC_PPC_TPREL16_HA: r = R_PPC_TPREL16_HA; break;
|
case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
|
case BFD_RELOC_PPC_TPREL: r = R_PPC_TPREL32; break;
|
case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
|
case BFD_RELOC_PPC_DTPREL16: r = R_PPC_DTPREL16; break;
|
case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
|
case BFD_RELOC_PPC_DTPREL16_LO: r = R_PPC_DTPREL16_LO; break;
|
case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
|
case BFD_RELOC_PPC_DTPREL16_HI: r = R_PPC_DTPREL16_HI; break;
|
case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
|
case BFD_RELOC_PPC_DTPREL16_HA: r = R_PPC_DTPREL16_HA; break;
|
case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break;
|
case BFD_RELOC_PPC_DTPREL: r = R_PPC_DTPREL32; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16: r = R_PPC_GOT_TLSGD16; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_LO: r = R_PPC_GOT_TLSGD16_LO; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HI: r = R_PPC_GOT_TLSGD16_HI; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break;
|
case BFD_RELOC_PPC_GOT_TLSGD16_HA: r = R_PPC_GOT_TLSGD16_HA; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16: r = R_PPC_GOT_TLSLD16; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_LO: r = R_PPC_GOT_TLSLD16_LO; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HI: r = R_PPC_GOT_TLSLD16_HI; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break;
|
case BFD_RELOC_PPC_GOT_TLSLD16_HA: r = R_PPC_GOT_TLSLD16_HA; break;
|
case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break;
|
case BFD_RELOC_PPC_GOT_TPREL16: r = R_PPC_GOT_TPREL16; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_LO: r = R_PPC_GOT_TPREL16_LO; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HI: r = R_PPC_GOT_TPREL16_HI; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break;
|
case BFD_RELOC_PPC_GOT_TPREL16_HA: r = R_PPC_GOT_TPREL16_HA; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16: r = R_PPC_GOT_DTPREL16; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_LO: r = R_PPC_GOT_DTPREL16_LO; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HI: r = R_PPC_GOT_DTPREL16_HI; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break;
|
case BFD_RELOC_PPC_GOT_DTPREL16_HA: r = R_PPC_GOT_DTPREL16_HA; break;
|
case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break;
|
case BFD_RELOC_PPC_EMB_NADDR32: r = R_PPC_EMB_NADDR32; break;
|
case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break;
|
case BFD_RELOC_PPC_EMB_NADDR16: r = R_PPC_EMB_NADDR16; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_LO: r = R_PPC_EMB_NADDR16_LO; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_HI: r = R_PPC_EMB_NADDR16_HI; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break;
|
case BFD_RELOC_PPC_EMB_NADDR16_HA: r = R_PPC_EMB_NADDR16_HA; break;
|
case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break;
|
case BFD_RELOC_PPC_EMB_SDAI16: r = R_PPC_EMB_SDAI16; break;
|
case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break;
|
case BFD_RELOC_PPC_EMB_SDA2I16: r = R_PPC_EMB_SDA2I16; break;
|
case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break;
|
case BFD_RELOC_PPC_EMB_SDA2REL: r = R_PPC_EMB_SDA2REL; break;
|
case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break;
|
case BFD_RELOC_PPC_EMB_SDA21: r = R_PPC_EMB_SDA21; break;
|
case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break;
|
case BFD_RELOC_PPC_EMB_MRKREF: r = R_PPC_EMB_MRKREF; break;
|
case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break;
|
case BFD_RELOC_PPC_EMB_RELSEC16: r = R_PPC_EMB_RELSEC16; break;
|
case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break;
|
case BFD_RELOC_PPC_EMB_RELST_LO: r = R_PPC_EMB_RELST_LO; break;
|
case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break;
|
case BFD_RELOC_PPC_EMB_RELST_HI: r = R_PPC_EMB_RELST_HI; break;
|
case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
|
case BFD_RELOC_PPC_EMB_RELST_HA: r = R_PPC_EMB_RELST_HA; break;
|
case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
|
case BFD_RELOC_PPC_EMB_BIT_FLD: r = R_PPC_EMB_BIT_FLD; break;
|
case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
|
case BFD_RELOC_PPC_EMB_RELSDA: r = R_PPC_EMB_RELSDA; break;
|
case BFD_RELOC_16_PCREL: r = R_PPC_REL16; break;
|
case BFD_RELOC_16_PCREL: r = R_PPC_REL16; break;
|
case BFD_RELOC_LO16_PCREL: r = R_PPC_REL16_LO; break;
|
case BFD_RELOC_LO16_PCREL: r = R_PPC_REL16_LO; break;
|
case BFD_RELOC_HI16_PCREL: r = R_PPC_REL16_HI; break;
|
case BFD_RELOC_HI16_PCREL: r = R_PPC_REL16_HI; break;
|
case BFD_RELOC_HI16_S_PCREL: r = R_PPC_REL16_HA; break;
|
case BFD_RELOC_HI16_S_PCREL: r = R_PPC_REL16_HA; break;
|
case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break;
|
case BFD_RELOC_VTABLE_INHERIT: r = R_PPC_GNU_VTINHERIT; break;
|
case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break;
|
case BFD_RELOC_VTABLE_ENTRY: r = R_PPC_GNU_VTENTRY; break;
|
}
|
}
|
|
|
return ppc_elf_howto_table[r];
|
return ppc_elf_howto_table[r];
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
ppc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
|
i < sizeof (ppc_elf_howto_raw) / sizeof (ppc_elf_howto_raw[0]);
|
i++)
|
i++)
|
if (ppc_elf_howto_raw[i].name != NULL
|
if (ppc_elf_howto_raw[i].name != NULL
|
&& strcasecmp (ppc_elf_howto_raw[i].name, r_name) == 0)
|
&& strcasecmp (ppc_elf_howto_raw[i].name, r_name) == 0)
|
return &ppc_elf_howto_raw[i];
|
return &ppc_elf_howto_raw[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Set the howto pointer for a PowerPC ELF reloc. */
|
/* Set the howto pointer for a PowerPC ELF reloc. */
|
|
|
static void
|
static void
|
ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *cache_ptr,
|
arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
/* Initialize howto table if not already done. */
|
/* Initialize howto table if not already done. */
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
ppc_elf_howto_init ();
|
ppc_elf_howto_init ();
|
|
|
BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
|
BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_PPC_max);
|
cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
|
cache_ptr->howto = ppc_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
|
|
|
/* Just because the above assert didn't trigger doesn't mean that
|
/* Just because the above assert didn't trigger doesn't mean that
|
ELF32_R_TYPE (dst->r_info) is necessarily a valid relocation. */
|
ELF32_R_TYPE (dst->r_info) is necessarily a valid relocation. */
|
if (!cache_ptr->howto)
|
if (!cache_ptr->howto)
|
{
|
{
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
abfd, ELF32_R_TYPE (dst->r_info));
|
abfd, ELF32_R_TYPE (dst->r_info));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
|
|
cache_ptr->howto = ppc_elf_howto_table[R_PPC_NONE];
|
cache_ptr->howto = ppc_elf_howto_table[R_PPC_NONE];
|
}
|
}
|
}
|
}
|
|
|
/* Handle the R_PPC_ADDR16_HA and R_PPC_REL16_HA relocs. */
|
/* Handle the R_PPC_ADDR16_HA and R_PPC_REL16_HA relocs. */
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_addr16_ha_reloc (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void *data ATTRIBUTE_UNUSED,
|
void *data ATTRIBUTE_UNUSED,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message ATTRIBUTE_UNUSED)
|
char **error_message ATTRIBUTE_UNUSED)
|
{
|
{
|
bfd_vma relocation;
|
bfd_vma relocation;
|
|
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
{
|
{
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
}
|
}
|
|
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_section->vma;
|
relocation += symbol->section->output_offset;
|
relocation += symbol->section->output_offset;
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
if (reloc_entry->howto->pc_relative)
|
if (reloc_entry->howto->pc_relative)
|
relocation -= reloc_entry->address;
|
relocation -= reloc_entry->address;
|
|
|
reloc_entry->addend += (relocation & 0x8000) << 1;
|
reloc_entry->addend += (relocation & 0x8000) << 1;
|
|
|
return bfd_reloc_continue;
|
return bfd_reloc_continue;
|
}
|
}
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
ppc_elf_unhandled_reloc (bfd *abfd,
|
ppc_elf_unhandled_reloc (bfd *abfd,
|
arelent *reloc_entry,
|
arelent *reloc_entry,
|
asymbol *symbol,
|
asymbol *symbol,
|
void *data,
|
void *data,
|
asection *input_section,
|
asection *input_section,
|
bfd *output_bfd,
|
bfd *output_bfd,
|
char **error_message)
|
char **error_message)
|
{
|
{
|
/* If this is a relocatable link (output_bfd test tells us), just
|
/* If this is a relocatable link (output_bfd test tells us), just
|
call the generic function. Any adjustment will be done at final
|
call the generic function. Any adjustment will be done at final
|
link time. */
|
link time. */
|
if (output_bfd != NULL)
|
if (output_bfd != NULL)
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
|
|
if (error_message != NULL)
|
if (error_message != NULL)
|
{
|
{
|
static char buf[60];
|
static char buf[60];
|
sprintf (buf, _("generic linker can't handle %s"),
|
sprintf (buf, _("generic linker can't handle %s"),
|
reloc_entry->howto->name);
|
reloc_entry->howto->name);
|
*error_message = buf;
|
*error_message = buf;
|
}
|
}
|
return bfd_reloc_dangerous;
|
return bfd_reloc_dangerous;
|
}
|
}
|
|
|
/* Sections created by the linker. */
|
/* Sections created by the linker. */
|
|
|
typedef struct elf_linker_section
|
typedef struct elf_linker_section
|
{
|
{
|
/* Pointer to the bfd section. */
|
/* Pointer to the bfd section. */
|
asection *section;
|
asection *section;
|
/* Section name. */
|
/* Section name. */
|
const char *name;
|
const char *name;
|
/* Associated bss section name. */
|
/* Associated bss section name. */
|
const char *bss_name;
|
const char *bss_name;
|
/* Associated symbol name. */
|
/* Associated symbol name. */
|
const char *sym_name;
|
const char *sym_name;
|
/* Associated symbol. */
|
/* Associated symbol. */
|
struct elf_link_hash_entry *sym;
|
struct elf_link_hash_entry *sym;
|
} elf_linker_section_t;
|
} elf_linker_section_t;
|
|
|
/* Linked list of allocated pointer entries. This hangs off of the
|
/* Linked list of allocated pointer entries. This hangs off of the
|
symbol lists, and provides allows us to return different pointers,
|
symbol lists, and provides allows us to return different pointers,
|
based on different addend's. */
|
based on different addend's. */
|
|
|
typedef struct elf_linker_section_pointers
|
typedef struct elf_linker_section_pointers
|
{
|
{
|
/* next allocated pointer for this symbol */
|
/* next allocated pointer for this symbol */
|
struct elf_linker_section_pointers *next;
|
struct elf_linker_section_pointers *next;
|
/* offset of pointer from beginning of section */
|
/* offset of pointer from beginning of section */
|
bfd_vma offset;
|
bfd_vma offset;
|
/* addend used */
|
/* addend used */
|
bfd_vma addend;
|
bfd_vma addend;
|
/* which linker section this is */
|
/* which linker section this is */
|
elf_linker_section_t *lsect;
|
elf_linker_section_t *lsect;
|
} elf_linker_section_pointers_t;
|
} elf_linker_section_pointers_t;
|
|
|
struct ppc_elf_obj_tdata
|
struct ppc_elf_obj_tdata
|
{
|
{
|
struct elf_obj_tdata elf;
|
struct elf_obj_tdata elf;
|
|
|
/* A mapping from local symbols to offsets into the various linker
|
/* A mapping from local symbols to offsets into the various linker
|
sections added. This is index by the symbol index. */
|
sections added. This is index by the symbol index. */
|
elf_linker_section_pointers_t **linker_section_pointers;
|
elf_linker_section_pointers_t **linker_section_pointers;
|
|
|
/* Flags used to auto-detect plt type. */
|
/* Flags used to auto-detect plt type. */
|
unsigned int makes_plt_call : 1;
|
unsigned int makes_plt_call : 1;
|
unsigned int has_rel16 : 1;
|
unsigned int has_rel16 : 1;
|
};
|
};
|
|
|
#define ppc_elf_tdata(bfd) \
|
#define ppc_elf_tdata(bfd) \
|
((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)
|
((struct ppc_elf_obj_tdata *) (bfd)->tdata.any)
|
|
|
#define elf_local_ptr_offsets(bfd) \
|
#define elf_local_ptr_offsets(bfd) \
|
(ppc_elf_tdata (bfd)->linker_section_pointers)
|
(ppc_elf_tdata (bfd)->linker_section_pointers)
|
|
|
#define is_ppc_elf(bfd) \
|
#define is_ppc_elf(bfd) \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
(bfd_get_flavour (bfd) == bfd_target_elf_flavour \
|
&& elf_object_id (bfd) == PPC32_ELF_TDATA)
|
&& elf_object_id (bfd) == PPC32_ELF_TDATA)
|
|
|
/* Override the generic function because we store some extras. */
|
/* Override the generic function because we store some extras. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_mkobject (bfd *abfd)
|
ppc_elf_mkobject (bfd *abfd)
|
{
|
{
|
return bfd_elf_allocate_object (abfd, sizeof (struct ppc_elf_obj_tdata),
|
return bfd_elf_allocate_object (abfd, sizeof (struct ppc_elf_obj_tdata),
|
PPC32_ELF_TDATA);
|
PPC32_ELF_TDATA);
|
}
|
}
|
|
|
/* Fix bad default arch selected for a 32 bit input bfd when the
|
/* Fix bad default arch selected for a 32 bit input bfd when the
|
default is 64 bit. */
|
default is 64 bit. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_object_p (bfd *abfd)
|
ppc_elf_object_p (bfd *abfd)
|
{
|
{
|
if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
|
if (abfd->arch_info->the_default && abfd->arch_info->bits_per_word == 64)
|
{
|
{
|
Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
|
Elf_Internal_Ehdr *i_ehdr = elf_elfheader (abfd);
|
|
|
if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
|
if (i_ehdr->e_ident[EI_CLASS] == ELFCLASS32)
|
{
|
{
|
/* Relies on arch after 64 bit default being 32 bit default. */
|
/* Relies on arch after 64 bit default being 32 bit default. */
|
abfd->arch_info = abfd->arch_info->next;
|
abfd->arch_info = abfd->arch_info->next;
|
BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
|
BFD_ASSERT (abfd->arch_info->bits_per_word == 32);
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Function to set whether a module needs the -mrelocatable bit set. */
|
/* Function to set whether a module needs the -mrelocatable bit set. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_set_private_flags (bfd *abfd, flagword flags)
|
ppc_elf_set_private_flags (bfd *abfd, flagword flags)
|
{
|
{
|
BFD_ASSERT (!elf_flags_init (abfd)
|
BFD_ASSERT (!elf_flags_init (abfd)
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_flags_init (abfd) = TRUE;
|
elf_flags_init (abfd) = TRUE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Support for core dump NOTE sections. */
|
/* Support for core dump NOTE sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
ppc_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
int offset;
|
int offset;
|
unsigned int size;
|
unsigned int size;
|
|
|
switch (note->descsz)
|
switch (note->descsz)
|
{
|
{
|
default:
|
default:
|
return FALSE;
|
return FALSE;
|
|
|
case 268: /* Linux/PPC. */
|
case 268: /* Linux/PPC. */
|
/* pr_cursig */
|
/* pr_cursig */
|
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
|
elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
|
|
|
/* pr_pid */
|
/* pr_pid */
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
|
elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
|
|
|
/* pr_reg */
|
/* pr_reg */
|
offset = 72;
|
offset = 72;
|
size = 192;
|
size = 192;
|
|
|
break;
|
break;
|
}
|
}
|
|
|
/* Make a ".reg/999" section. */
|
/* Make a ".reg/999" section. */
|
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
|
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
|
size, note->descpos + offset);
|
size, note->descpos + offset);
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
|
{
|
{
|
switch (note->descsz)
|
switch (note->descsz)
|
{
|
{
|
default:
|
default:
|
return FALSE;
|
return FALSE;
|
|
|
case 128: /* Linux/PPC elf_prpsinfo. */
|
case 128: /* Linux/PPC elf_prpsinfo. */
|
elf_tdata (abfd)->core_program
|
elf_tdata (abfd)->core_program
|
= _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
|
elf_tdata (abfd)->core_command
|
elf_tdata (abfd)->core_command
|
= _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
|
= _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
|
}
|
}
|
|
|
/* Note that for some reason, a spurious space is tacked
|
/* Note that for some reason, a spurious space is tacked
|
onto the end of the args in some (at least one anyway)
|
onto the end of the args in some (at least one anyway)
|
implementations, so strip it off if it exists. */
|
implementations, so strip it off if it exists. */
|
|
|
{
|
{
|
char *command = elf_tdata (abfd)->core_command;
|
char *command = elf_tdata (abfd)->core_command;
|
int n = strlen (command);
|
int n = strlen (command);
|
|
|
if (0 < n && command[n - 1] == ' ')
|
if (0 < n && command[n - 1] == ' ')
|
command[n - 1] = '\0';
|
command[n - 1] = '\0';
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static char *
|
static char *
|
ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
|
ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
|
{
|
{
|
switch (note_type)
|
switch (note_type)
|
{
|
{
|
default:
|
default:
|
return NULL;
|
return NULL;
|
|
|
case NT_PRPSINFO:
|
case NT_PRPSINFO:
|
{
|
{
|
char data[128];
|
char data[128];
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, note_type);
|
va_start (ap, note_type);
|
memset (data, 0, 32);
|
memset (data, 0, 32);
|
strncpy (data + 32, va_arg (ap, const char *), 16);
|
strncpy (data + 32, va_arg (ap, const char *), 16);
|
strncpy (data + 48, va_arg (ap, const char *), 80);
|
strncpy (data + 48, va_arg (ap, const char *), 80);
|
va_end (ap);
|
va_end (ap);
|
return elfcore_write_note (abfd, buf, bufsiz,
|
return elfcore_write_note (abfd, buf, bufsiz,
|
"CORE", note_type, data, sizeof (data));
|
"CORE", note_type, data, sizeof (data));
|
}
|
}
|
|
|
case NT_PRSTATUS:
|
case NT_PRSTATUS:
|
{
|
{
|
char data[268];
|
char data[268];
|
va_list ap;
|
va_list ap;
|
long pid;
|
long pid;
|
int cursig;
|
int cursig;
|
const void *greg;
|
const void *greg;
|
|
|
va_start (ap, note_type);
|
va_start (ap, note_type);
|
memset (data, 0, 72);
|
memset (data, 0, 72);
|
pid = va_arg (ap, long);
|
pid = va_arg (ap, long);
|
bfd_put_32 (abfd, pid, data + 24);
|
bfd_put_32 (abfd, pid, data + 24);
|
cursig = va_arg (ap, int);
|
cursig = va_arg (ap, int);
|
bfd_put_16 (abfd, cursig, data + 12);
|
bfd_put_16 (abfd, cursig, data + 12);
|
greg = va_arg (ap, const void *);
|
greg = va_arg (ap, const void *);
|
memcpy (data + 72, greg, 192);
|
memcpy (data + 72, greg, 192);
|
memset (data + 264, 0, 4);
|
memset (data + 264, 0, 4);
|
va_end (ap);
|
va_end (ap);
|
return elfcore_write_note (abfd, buf, bufsiz,
|
return elfcore_write_note (abfd, buf, bufsiz,
|
"CORE", note_type, data, sizeof (data));
|
"CORE", note_type, data, sizeof (data));
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
or (bfd_vma) -1 if it should not be included. */
|
or (bfd_vma) -1 if it should not be included. */
|
|
|
static bfd_vma
|
static bfd_vma
|
ppc_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED,
|
ppc_elf_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED,
|
const asection *plt ATTRIBUTE_UNUSED,
|
const asection *plt ATTRIBUTE_UNUSED,
|
const arelent *rel)
|
const arelent *rel)
|
{
|
{
|
return rel->address;
|
return rel->address;
|
}
|
}
|
|
|
/* Handle a PowerPC specific section when reading an object file. This
|
/* Handle a PowerPC specific section when reading an object file. This
|
is called when bfd_section_from_shdr finds a section with an unknown
|
is called when bfd_section_from_shdr finds a section with an unknown
|
type. */
|
type. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_section_from_shdr (bfd *abfd,
|
ppc_elf_section_from_shdr (bfd *abfd,
|
Elf_Internal_Shdr *hdr,
|
Elf_Internal_Shdr *hdr,
|
const char *name,
|
const char *name,
|
int shindex)
|
int shindex)
|
{
|
{
|
asection *newsect;
|
asection *newsect;
|
flagword flags;
|
flagword flags;
|
|
|
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
|
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
|
return FALSE;
|
return FALSE;
|
|
|
newsect = hdr->bfd_section;
|
newsect = hdr->bfd_section;
|
flags = bfd_get_section_flags (abfd, newsect);
|
flags = bfd_get_section_flags (abfd, newsect);
|
if (hdr->sh_flags & SHF_EXCLUDE)
|
if (hdr->sh_flags & SHF_EXCLUDE)
|
flags |= SEC_EXCLUDE;
|
flags |= SEC_EXCLUDE;
|
|
|
if (hdr->sh_type == SHT_ORDERED)
|
if (hdr->sh_type == SHT_ORDERED)
|
flags |= SEC_SORT_ENTRIES;
|
flags |= SEC_SORT_ENTRIES;
|
|
|
bfd_set_section_flags (abfd, newsect, flags);
|
bfd_set_section_flags (abfd, newsect, flags);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set up any other section flags and such that may be necessary. */
|
/* Set up any other section flags and such that may be necessary. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
Elf_Internal_Shdr *shdr,
|
Elf_Internal_Shdr *shdr,
|
asection *asect)
|
asection *asect)
|
{
|
{
|
if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
|
if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
|
shdr->sh_flags |= SHF_EXCLUDE;
|
shdr->sh_flags |= SHF_EXCLUDE;
|
|
|
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
|
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
|
shdr->sh_type = SHT_ORDERED;
|
shdr->sh_type = SHT_ORDERED;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* If we have .sbss2 or .PPC.EMB.sbss0 output sections, we
|
/* If we have .sbss2 or .PPC.EMB.sbss0 output sections, we
|
need to bump up the number of section headers. */
|
need to bump up the number of section headers. */
|
|
|
static int
|
static int
|
ppc_elf_additional_program_headers (bfd *abfd,
|
ppc_elf_additional_program_headers (bfd *abfd,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
{
|
{
|
asection *s;
|
asection *s;
|
int ret = 0;
|
int ret = 0;
|
|
|
s = bfd_get_section_by_name (abfd, ".sbss2");
|
s = bfd_get_section_by_name (abfd, ".sbss2");
|
if (s != NULL && (s->flags & SEC_ALLOC) != 0)
|
if (s != NULL && (s->flags & SEC_ALLOC) != 0)
|
++ret;
|
++ret;
|
|
|
s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
|
s = bfd_get_section_by_name (abfd, ".PPC.EMB.sbss0");
|
if (s != NULL && (s->flags & SEC_ALLOC) != 0)
|
if (s != NULL && (s->flags & SEC_ALLOC) != 0)
|
++ret;
|
++ret;
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Add extra PPC sections -- Note, for now, make .sbss2 and
|
/* Add extra PPC sections -- Note, for now, make .sbss2 and
|
.PPC.EMB.sbss0 a normal section, and not a bss section so
|
.PPC.EMB.sbss0 a normal section, and not a bss section so
|
that the linker doesn't crater when trying to make more than
|
that the linker doesn't crater when trying to make more than
|
2 sections. */
|
2 sections. */
|
|
|
static const struct bfd_elf_special_section ppc_elf_special_sections[] =
|
static const struct bfd_elf_special_section ppc_elf_special_sections[] =
|
{
|
{
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, SHF_ALLOC + SHF_EXECINSTR },
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_NOBITS, SHF_ALLOC + SHF_EXECINSTR },
|
{ STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sbss2"), -2, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".sbss2"), -2, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
|
{ STRING_COMMA_LEN (".sdata2"), -2, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".sdata2"), -2, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".tags"), 0, SHT_ORDERED, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".tags"), 0, SHT_ORDERED, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".PPC.EMB.apuinfo"), 0, SHT_NOTE, 0 },
|
{ STRING_COMMA_LEN (".PPC.EMB.apuinfo"), 0, SHT_NOTE, 0 },
|
{ STRING_COMMA_LEN (".PPC.EMB.sbss0"), 0, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".PPC.EMB.sbss0"), 0, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".PPC.EMB.sdata0"), 0, SHT_PROGBITS, SHF_ALLOC },
|
{ STRING_COMMA_LEN (".PPC.EMB.sdata0"), 0, SHT_PROGBITS, SHF_ALLOC },
|
{ NULL, 0, 0, 0, 0 }
|
{ NULL, 0, 0, 0, 0 }
|
};
|
};
|
|
|
/* This is what we want for new plt/got. */
|
/* This is what we want for new plt/got. */
|
static struct bfd_elf_special_section ppc_alt_plt =
|
static struct bfd_elf_special_section ppc_alt_plt =
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC };
|
{ STRING_COMMA_LEN (".plt"), 0, SHT_PROGBITS, SHF_ALLOC };
|
|
|
static const struct bfd_elf_special_section *
|
static const struct bfd_elf_special_section *
|
ppc_elf_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
|
ppc_elf_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
|
{
|
{
|
const struct bfd_elf_special_section *ssect;
|
const struct bfd_elf_special_section *ssect;
|
|
|
/* See if this is one of the special sections. */
|
/* See if this is one of the special sections. */
|
if (sec->name == NULL)
|
if (sec->name == NULL)
|
return NULL;
|
return NULL;
|
|
|
ssect = _bfd_elf_get_special_section (sec->name, ppc_elf_special_sections,
|
ssect = _bfd_elf_get_special_section (sec->name, ppc_elf_special_sections,
|
sec->use_rela_p);
|
sec->use_rela_p);
|
if (ssect != NULL)
|
if (ssect != NULL)
|
{
|
{
|
if (ssect == ppc_elf_special_sections && (sec->flags & SEC_LOAD) != 0)
|
if (ssect == ppc_elf_special_sections && (sec->flags & SEC_LOAD) != 0)
|
ssect = &ppc_alt_plt;
|
ssect = &ppc_alt_plt;
|
return ssect;
|
return ssect;
|
}
|
}
|
|
|
return _bfd_elf_get_sec_type_attr (abfd, sec);
|
return _bfd_elf_get_sec_type_attr (abfd, sec);
|
}
|
}
|
|
|
/* Very simple linked list structure for recording apuinfo values. */
|
/* Very simple linked list structure for recording apuinfo values. */
|
typedef struct apuinfo_list
|
typedef struct apuinfo_list
|
{
|
{
|
struct apuinfo_list *next;
|
struct apuinfo_list *next;
|
unsigned long value;
|
unsigned long value;
|
}
|
}
|
apuinfo_list;
|
apuinfo_list;
|
|
|
static apuinfo_list *head;
|
static apuinfo_list *head;
|
|
|
|
|
static void
|
static void
|
apuinfo_list_init (void)
|
apuinfo_list_init (void)
|
{
|
{
|
head = NULL;
|
head = NULL;
|
}
|
}
|
|
|
static void
|
static void
|
apuinfo_list_add (unsigned long value)
|
apuinfo_list_add (unsigned long value)
|
{
|
{
|
apuinfo_list *entry = head;
|
apuinfo_list *entry = head;
|
|
|
while (entry != NULL)
|
while (entry != NULL)
|
{
|
{
|
if (entry->value == value)
|
if (entry->value == value)
|
return;
|
return;
|
entry = entry->next;
|
entry = entry->next;
|
}
|
}
|
|
|
entry = bfd_malloc (sizeof (* entry));
|
entry = bfd_malloc (sizeof (* entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return;
|
return;
|
|
|
entry->value = value;
|
entry->value = value;
|
entry->next = head;
|
entry->next = head;
|
head = entry;
|
head = entry;
|
}
|
}
|
|
|
static unsigned
|
static unsigned
|
apuinfo_list_length (void)
|
apuinfo_list_length (void)
|
{
|
{
|
apuinfo_list *entry;
|
apuinfo_list *entry;
|
unsigned long count;
|
unsigned long count;
|
|
|
for (entry = head, count = 0;
|
for (entry = head, count = 0;
|
entry;
|
entry;
|
entry = entry->next)
|
entry = entry->next)
|
++ count;
|
++ count;
|
|
|
return count;
|
return count;
|
}
|
}
|
|
|
static inline unsigned long
|
static inline unsigned long
|
apuinfo_list_element (unsigned long number)
|
apuinfo_list_element (unsigned long number)
|
{
|
{
|
apuinfo_list * entry;
|
apuinfo_list * entry;
|
|
|
for (entry = head;
|
for (entry = head;
|
entry && number --;
|
entry && number --;
|
entry = entry->next)
|
entry = entry->next)
|
;
|
;
|
|
|
return entry ? entry->value : 0;
|
return entry ? entry->value : 0;
|
}
|
}
|
|
|
static void
|
static void
|
apuinfo_list_finish (void)
|
apuinfo_list_finish (void)
|
{
|
{
|
apuinfo_list *entry;
|
apuinfo_list *entry;
|
|
|
for (entry = head; entry;)
|
for (entry = head; entry;)
|
{
|
{
|
apuinfo_list *next = entry->next;
|
apuinfo_list *next = entry->next;
|
free (entry);
|
free (entry);
|
entry = next;
|
entry = next;
|
}
|
}
|
|
|
head = NULL;
|
head = NULL;
|
}
|
}
|
|
|
#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
|
#define APUINFO_SECTION_NAME ".PPC.EMB.apuinfo"
|
#define APUINFO_LABEL "APUinfo"
|
#define APUINFO_LABEL "APUinfo"
|
|
|
/* Scan the input BFDs and create a linked list of
|
/* Scan the input BFDs and create a linked list of
|
the APUinfo values that will need to be emitted. */
|
the APUinfo values that will need to be emitted. */
|
|
|
static void
|
static void
|
ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
|
ppc_elf_begin_write_processing (bfd *abfd, struct bfd_link_info *link_info)
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
asection *asec;
|
asection *asec;
|
char *buffer;
|
char *buffer;
|
unsigned num_input_sections;
|
unsigned num_input_sections;
|
bfd_size_type output_section_size;
|
bfd_size_type output_section_size;
|
unsigned i;
|
unsigned i;
|
unsigned num_entries;
|
unsigned num_entries;
|
unsigned long offset;
|
unsigned long offset;
|
unsigned long length;
|
unsigned long length;
|
const char *error_message = NULL;
|
const char *error_message = NULL;
|
|
|
if (link_info == NULL)
|
if (link_info == NULL)
|
return;
|
return;
|
|
|
/* Scan the input bfds, looking for apuinfo sections. */
|
/* Scan the input bfds, looking for apuinfo sections. */
|
num_input_sections = 0;
|
num_input_sections = 0;
|
output_section_size = 0;
|
output_section_size = 0;
|
|
|
for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
{
|
{
|
asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
|
asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
|
if (asec)
|
if (asec)
|
{
|
{
|
++ num_input_sections;
|
++ num_input_sections;
|
output_section_size += asec->size;
|
output_section_size += asec->size;
|
}
|
}
|
}
|
}
|
|
|
/* We need at least one input sections
|
/* We need at least one input sections
|
in order to make merging worthwhile. */
|
in order to make merging worthwhile. */
|
if (num_input_sections < 1)
|
if (num_input_sections < 1)
|
return;
|
return;
|
|
|
/* Just make sure that the output section exists as well. */
|
/* Just make sure that the output section exists as well. */
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
if (asec == NULL)
|
if (asec == NULL)
|
return;
|
return;
|
|
|
/* Allocate a buffer for the contents of the input sections. */
|
/* Allocate a buffer for the contents of the input sections. */
|
buffer = bfd_malloc (output_section_size);
|
buffer = bfd_malloc (output_section_size);
|
if (buffer == NULL)
|
if (buffer == NULL)
|
return;
|
return;
|
|
|
offset = 0;
|
offset = 0;
|
apuinfo_list_init ();
|
apuinfo_list_init ();
|
|
|
/* Read in the input sections contents. */
|
/* Read in the input sections contents. */
|
for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
for (ibfd = link_info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
{
|
{
|
unsigned long datum;
|
unsigned long datum;
|
char *ptr;
|
char *ptr;
|
|
|
asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
|
asec = bfd_get_section_by_name (ibfd, APUINFO_SECTION_NAME);
|
if (asec == NULL)
|
if (asec == NULL)
|
continue;
|
continue;
|
|
|
length = asec->size;
|
length = asec->size;
|
if (length < 24)
|
if (length < 24)
|
{
|
{
|
error_message = _("corrupt or empty %s section in %B");
|
error_message = _("corrupt or empty %s section in %B");
|
goto fail;
|
goto fail;
|
}
|
}
|
|
|
if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
|
if (bfd_seek (ibfd, asec->filepos, SEEK_SET) != 0
|
|| (bfd_bread (buffer + offset, length, ibfd) != length))
|
|| (bfd_bread (buffer + offset, length, ibfd) != length))
|
{
|
{
|
error_message = _("unable to read in %s section from %B");
|
error_message = _("unable to read in %s section from %B");
|
goto fail;
|
goto fail;
|
}
|
}
|
|
|
/* Process the contents of the section. */
|
/* Process the contents of the section. */
|
ptr = buffer + offset;
|
ptr = buffer + offset;
|
error_message = _("corrupt %s section in %B");
|
error_message = _("corrupt %s section in %B");
|
|
|
/* Verify the contents of the header. Note - we have to
|
/* Verify the contents of the header. Note - we have to
|
extract the values this way in order to allow for a
|
extract the values this way in order to allow for a
|
host whose endian-ness is different from the target. */
|
host whose endian-ness is different from the target. */
|
datum = bfd_get_32 (ibfd, ptr);
|
datum = bfd_get_32 (ibfd, ptr);
|
if (datum != sizeof APUINFO_LABEL)
|
if (datum != sizeof APUINFO_LABEL)
|
goto fail;
|
goto fail;
|
|
|
datum = bfd_get_32 (ibfd, ptr + 8);
|
datum = bfd_get_32 (ibfd, ptr + 8);
|
if (datum != 0x2)
|
if (datum != 0x2)
|
goto fail;
|
goto fail;
|
|
|
if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
|
if (strcmp (ptr + 12, APUINFO_LABEL) != 0)
|
goto fail;
|
goto fail;
|
|
|
/* Get the number of bytes used for apuinfo entries. */
|
/* Get the number of bytes used for apuinfo entries. */
|
datum = bfd_get_32 (ibfd, ptr + 4);
|
datum = bfd_get_32 (ibfd, ptr + 4);
|
if (datum + 20 != length)
|
if (datum + 20 != length)
|
goto fail;
|
goto fail;
|
|
|
/* Make sure that we do not run off the end of the section. */
|
/* Make sure that we do not run off the end of the section. */
|
if (offset + length > output_section_size)
|
if (offset + length > output_section_size)
|
goto fail;
|
goto fail;
|
|
|
/* Scan the apuinfo section, building a list of apuinfo numbers. */
|
/* Scan the apuinfo section, building a list of apuinfo numbers. */
|
for (i = 0; i < datum; i += 4)
|
for (i = 0; i < datum; i += 4)
|
apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
|
apuinfo_list_add (bfd_get_32 (ibfd, ptr + 20 + i));
|
|
|
/* Update the offset. */
|
/* Update the offset. */
|
offset += length;
|
offset += length;
|
}
|
}
|
|
|
error_message = NULL;
|
error_message = NULL;
|
|
|
/* Compute the size of the output section. */
|
/* Compute the size of the output section. */
|
num_entries = apuinfo_list_length ();
|
num_entries = apuinfo_list_length ();
|
output_section_size = 20 + num_entries * 4;
|
output_section_size = 20 + num_entries * 4;
|
|
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
|
|
if (! bfd_set_section_size (abfd, asec, output_section_size))
|
if (! bfd_set_section_size (abfd, asec, output_section_size))
|
ibfd = abfd,
|
ibfd = abfd,
|
error_message = _("warning: unable to set size of %s section in %B");
|
error_message = _("warning: unable to set size of %s section in %B");
|
|
|
fail:
|
fail:
|
free (buffer);
|
free (buffer);
|
|
|
if (error_message)
|
if (error_message)
|
(*_bfd_error_handler) (error_message, ibfd, APUINFO_SECTION_NAME);
|
(*_bfd_error_handler) (error_message, ibfd, APUINFO_SECTION_NAME);
|
}
|
}
|
|
|
/* Prevent the output section from accumulating the input sections'
|
/* Prevent the output section from accumulating the input sections'
|
contents. We have already stored this in our linked list structure. */
|
contents. We have already stored this in our linked list structure. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED,
|
ppc_elf_write_section (bfd *abfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
|
struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
|
asection *asec,
|
asection *asec,
|
bfd_byte *contents ATTRIBUTE_UNUSED)
|
bfd_byte *contents ATTRIBUTE_UNUSED)
|
{
|
{
|
return (apuinfo_list_length ()
|
return (apuinfo_list_length ()
|
&& strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
|
&& strcmp (asec->name, APUINFO_SECTION_NAME) == 0);
|
}
|
}
|
|
|
/* Finally we can generate the output section. */
|
/* Finally we can generate the output section. */
|
|
|
static void
|
static void
|
ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
|
ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
|
{
|
{
|
bfd_byte *buffer;
|
bfd_byte *buffer;
|
asection *asec;
|
asection *asec;
|
unsigned i;
|
unsigned i;
|
unsigned num_entries;
|
unsigned num_entries;
|
bfd_size_type length;
|
bfd_size_type length;
|
|
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
asec = bfd_get_section_by_name (abfd, APUINFO_SECTION_NAME);
|
if (asec == NULL)
|
if (asec == NULL)
|
return;
|
return;
|
|
|
if (apuinfo_list_length () == 0)
|
if (apuinfo_list_length () == 0)
|
return;
|
return;
|
|
|
length = asec->size;
|
length = asec->size;
|
if (length < 20)
|
if (length < 20)
|
return;
|
return;
|
|
|
buffer = bfd_malloc (length);
|
buffer = bfd_malloc (length);
|
if (buffer == NULL)
|
if (buffer == NULL)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("failed to allocate space for new APUinfo section."));
|
(_("failed to allocate space for new APUinfo section."));
|
return;
|
return;
|
}
|
}
|
|
|
/* Create the apuinfo header. */
|
/* Create the apuinfo header. */
|
num_entries = apuinfo_list_length ();
|
num_entries = apuinfo_list_length ();
|
bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
|
bfd_put_32 (abfd, sizeof APUINFO_LABEL, buffer);
|
bfd_put_32 (abfd, num_entries * 4, buffer + 4);
|
bfd_put_32 (abfd, num_entries * 4, buffer + 4);
|
bfd_put_32 (abfd, 0x2, buffer + 8);
|
bfd_put_32 (abfd, 0x2, buffer + 8);
|
strcpy ((char *) buffer + 12, APUINFO_LABEL);
|
strcpy ((char *) buffer + 12, APUINFO_LABEL);
|
|
|
length = 20;
|
length = 20;
|
for (i = 0; i < num_entries; i++)
|
for (i = 0; i < num_entries; i++)
|
{
|
{
|
bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
|
bfd_put_32 (abfd, apuinfo_list_element (i), buffer + length);
|
length += 4;
|
length += 4;
|
}
|
}
|
|
|
if (length != asec->size)
|
if (length != asec->size)
|
(*_bfd_error_handler) (_("failed to compute new APUinfo section."));
|
(*_bfd_error_handler) (_("failed to compute new APUinfo section."));
|
|
|
if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
|
if (! bfd_set_section_contents (abfd, asec, buffer, (file_ptr) 0, length))
|
(*_bfd_error_handler) (_("failed to install new APUinfo section."));
|
(*_bfd_error_handler) (_("failed to install new APUinfo section."));
|
|
|
free (buffer);
|
free (buffer);
|
|
|
apuinfo_list_finish ();
|
apuinfo_list_finish ();
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
is_nonpic_glink_stub (bfd *abfd, asection *glink, bfd_vma off)
|
is_nonpic_glink_stub (bfd *abfd, asection *glink, bfd_vma off)
|
{
|
{
|
bfd_byte buf[GLINK_ENTRY_SIZE];
|
bfd_byte buf[GLINK_ENTRY_SIZE];
|
|
|
if (!bfd_get_section_contents (abfd, glink, buf, off, GLINK_ENTRY_SIZE))
|
if (!bfd_get_section_contents (abfd, glink, buf, off, GLINK_ENTRY_SIZE))
|
return FALSE;
|
return FALSE;
|
|
|
return ((bfd_get_32 (abfd, buf + 0) & 0xffff0000) == LIS_11
|
return ((bfd_get_32 (abfd, buf + 0) & 0xffff0000) == LIS_11
|
&& (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11
|
&& (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11
|
&& bfd_get_32 (abfd, buf + 8) == MTCTR_11
|
&& bfd_get_32 (abfd, buf + 8) == MTCTR_11
|
&& bfd_get_32 (abfd, buf + 12) == BCTR);
|
&& bfd_get_32 (abfd, buf + 12) == BCTR);
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
section_covers_vma (bfd *abfd ATTRIBUTE_UNUSED, asection *section, void *ptr)
|
section_covers_vma (bfd *abfd ATTRIBUTE_UNUSED, asection *section, void *ptr)
|
{
|
{
|
bfd_vma vma = *(bfd_vma *) ptr;
|
bfd_vma vma = *(bfd_vma *) ptr;
|
return ((section->flags & SEC_ALLOC) != 0
|
return ((section->flags & SEC_ALLOC) != 0
|
&& section->vma <= vma
|
&& section->vma <= vma
|
&& vma < section->vma + section->size);
|
&& vma < section->vma + section->size);
|
}
|
}
|
|
|
static long
|
static long
|
ppc_elf_get_synthetic_symtab (bfd *abfd, long symcount, asymbol **syms,
|
ppc_elf_get_synthetic_symtab (bfd *abfd, long symcount, asymbol **syms,
|
long dynsymcount, asymbol **dynsyms,
|
long dynsymcount, asymbol **dynsyms,
|
asymbol **ret)
|
asymbol **ret)
|
{
|
{
|
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
|
bfd_boolean (*slurp_relocs) (bfd *, asection *, asymbol **, bfd_boolean);
|
asection *plt, *relplt, *dynamic, *glink;
|
asection *plt, *relplt, *dynamic, *glink;
|
bfd_vma glink_vma = 0;
|
bfd_vma glink_vma = 0;
|
bfd_vma resolv_vma = 0;
|
bfd_vma resolv_vma = 0;
|
bfd_vma stub_vma;
|
bfd_vma stub_vma;
|
asymbol *s;
|
asymbol *s;
|
arelent *p;
|
arelent *p;
|
long count, i;
|
long count, i;
|
size_t size;
|
size_t size;
|
char *names;
|
char *names;
|
bfd_byte buf[4];
|
bfd_byte buf[4];
|
|
|
*ret = NULL;
|
*ret = NULL;
|
|
|
if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0)
|
if ((abfd->flags & (DYNAMIC | EXEC_P)) == 0)
|
return 0;
|
return 0;
|
|
|
if (dynsymcount <= 0)
|
if (dynsymcount <= 0)
|
return 0;
|
return 0;
|
|
|
relplt = bfd_get_section_by_name (abfd, ".rela.plt");
|
relplt = bfd_get_section_by_name (abfd, ".rela.plt");
|
if (relplt == NULL)
|
if (relplt == NULL)
|
return 0;
|
return 0;
|
|
|
plt = bfd_get_section_by_name (abfd, ".plt");
|
plt = bfd_get_section_by_name (abfd, ".plt");
|
if (plt == NULL)
|
if (plt == NULL)
|
return 0;
|
return 0;
|
|
|
/* Call common code to handle old-style executable PLTs. */
|
/* Call common code to handle old-style executable PLTs. */
|
if (elf_section_flags (plt) & SHF_EXECINSTR)
|
if (elf_section_flags (plt) & SHF_EXECINSTR)
|
return _bfd_elf_get_synthetic_symtab (abfd, symcount, syms,
|
return _bfd_elf_get_synthetic_symtab (abfd, symcount, syms,
|
dynsymcount, dynsyms, ret);
|
dynsymcount, dynsyms, ret);
|
|
|
/* If this object was prelinked, the prelinker stored the address
|
/* If this object was prelinked, the prelinker stored the address
|
of .glink at got[1]. If it wasn't prelinked, got[1] will be zero. */
|
of .glink at got[1]. If it wasn't prelinked, got[1] will be zero. */
|
dynamic = bfd_get_section_by_name (abfd, ".dynamic");
|
dynamic = bfd_get_section_by_name (abfd, ".dynamic");
|
if (dynamic != NULL)
|
if (dynamic != NULL)
|
{
|
{
|
bfd_byte *dynbuf, *extdyn, *extdynend;
|
bfd_byte *dynbuf, *extdyn, *extdynend;
|
size_t extdynsize;
|
size_t extdynsize;
|
void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *);
|
void (*swap_dyn_in) (bfd *, const void *, Elf_Internal_Dyn *);
|
|
|
if (!bfd_malloc_and_get_section (abfd, dynamic, &dynbuf))
|
if (!bfd_malloc_and_get_section (abfd, dynamic, &dynbuf))
|
return -1;
|
return -1;
|
|
|
extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
|
extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
|
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
|
swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
|
|
|
extdyn = dynbuf;
|
extdyn = dynbuf;
|
extdynend = extdyn + dynamic->size;
|
extdynend = extdyn + dynamic->size;
|
for (; extdyn < extdynend; extdyn += extdynsize)
|
for (; extdyn < extdynend; extdyn += extdynsize)
|
{
|
{
|
Elf_Internal_Dyn dyn;
|
Elf_Internal_Dyn dyn;
|
(*swap_dyn_in) (abfd, extdyn, &dyn);
|
(*swap_dyn_in) (abfd, extdyn, &dyn);
|
|
|
if (dyn.d_tag == DT_NULL)
|
if (dyn.d_tag == DT_NULL)
|
break;
|
break;
|
|
|
if (dyn.d_tag == DT_PPC_GOT)
|
if (dyn.d_tag == DT_PPC_GOT)
|
{
|
{
|
unsigned int g_o_t = dyn.d_un.d_val;
|
unsigned int g_o_t = dyn.d_un.d_val;
|
asection *got = bfd_get_section_by_name (abfd, ".got");
|
asection *got = bfd_get_section_by_name (abfd, ".got");
|
if (got != NULL
|
if (got != NULL
|
&& bfd_get_section_contents (abfd, got, buf,
|
&& bfd_get_section_contents (abfd, got, buf,
|
g_o_t - got->vma + 4, 4))
|
g_o_t - got->vma + 4, 4))
|
glink_vma = bfd_get_32 (abfd, buf);
|
glink_vma = bfd_get_32 (abfd, buf);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
free (dynbuf);
|
free (dynbuf);
|
}
|
}
|
|
|
/* Otherwise we read the first plt entry. */
|
/* Otherwise we read the first plt entry. */
|
if (glink_vma == 0)
|
if (glink_vma == 0)
|
{
|
{
|
if (bfd_get_section_contents (abfd, plt, buf, 0, 4))
|
if (bfd_get_section_contents (abfd, plt, buf, 0, 4))
|
glink_vma = bfd_get_32 (abfd, buf);
|
glink_vma = bfd_get_32 (abfd, buf);
|
}
|
}
|
|
|
if (glink_vma == 0)
|
if (glink_vma == 0)
|
return 0;
|
return 0;
|
|
|
/* The .glink section usually does not survive the final
|
/* The .glink section usually does not survive the final
|
link; search for the section (usually .text) where the
|
link; search for the section (usually .text) where the
|
glink stubs now reside. */
|
glink stubs now reside. */
|
glink = bfd_sections_find_if (abfd, section_covers_vma, &glink_vma);
|
glink = bfd_sections_find_if (abfd, section_covers_vma, &glink_vma);
|
if (glink == NULL)
|
if (glink == NULL)
|
return 0;
|
return 0;
|
|
|
/* Determine glink PLT resolver by reading the relative branch
|
/* Determine glink PLT resolver by reading the relative branch
|
from the first glink stub. */
|
from the first glink stub. */
|
if (bfd_get_section_contents (abfd, glink, buf,
|
if (bfd_get_section_contents (abfd, glink, buf,
|
glink_vma - glink->vma, 4))
|
glink_vma - glink->vma, 4))
|
{
|
{
|
unsigned int insn = bfd_get_32 (abfd, buf);
|
unsigned int insn = bfd_get_32 (abfd, buf);
|
|
|
/* The first glink stub may either branch to the resolver ... */
|
/* The first glink stub may either branch to the resolver ... */
|
insn ^= B;
|
insn ^= B;
|
if ((insn & ~0x3fffffc) == 0)
|
if ((insn & ~0x3fffffc) == 0)
|
resolv_vma = glink_vma + (insn ^ 0x2000000) - 0x2000000;
|
resolv_vma = glink_vma + (insn ^ 0x2000000) - 0x2000000;
|
|
|
/* ... or fall through a bunch of NOPs. */
|
/* ... or fall through a bunch of NOPs. */
|
else if ((insn ^ B ^ NOP) == 0)
|
else if ((insn ^ B ^ NOP) == 0)
|
for (i = 4;
|
for (i = 4;
|
bfd_get_section_contents (abfd, glink, buf,
|
bfd_get_section_contents (abfd, glink, buf,
|
glink_vma - glink->vma + i, 4);
|
glink_vma - glink->vma + i, 4);
|
i += 4)
|
i += 4)
|
if (bfd_get_32 (abfd, buf) != NOP)
|
if (bfd_get_32 (abfd, buf) != NOP)
|
{
|
{
|
resolv_vma = glink_vma + i;
|
resolv_vma = glink_vma + i;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
count = relplt->size / sizeof (Elf32_External_Rela);
|
count = relplt->size / sizeof (Elf32_External_Rela);
|
stub_vma = glink_vma - (bfd_vma) count * 16;
|
stub_vma = glink_vma - (bfd_vma) count * 16;
|
/* If the stubs are those for -shared/-pie then we might have
|
/* If the stubs are those for -shared/-pie then we might have
|
multiple stubs for each plt entry. If that is the case then
|
multiple stubs for each plt entry. If that is the case then
|
there is no way to associate stubs with their plt entries short
|
there is no way to associate stubs with their plt entries short
|
of figuring out the GOT pointer value used in the stub. */
|
of figuring out the GOT pointer value used in the stub. */
|
if (!is_nonpic_glink_stub (abfd, glink,
|
if (!is_nonpic_glink_stub (abfd, glink,
|
glink_vma - GLINK_ENTRY_SIZE - glink->vma))
|
glink_vma - GLINK_ENTRY_SIZE - glink->vma))
|
return 0;
|
return 0;
|
|
|
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
|
slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
|
if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE))
|
if (! (*slurp_relocs) (abfd, relplt, dynsyms, TRUE))
|
return -1;
|
return -1;
|
|
|
size = count * sizeof (asymbol);
|
size = count * sizeof (asymbol);
|
p = relplt->relocation;
|
p = relplt->relocation;
|
for (i = 0; i < count; i++, p++)
|
for (i = 0; i < count; i++, p++)
|
{
|
{
|
size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt");
|
size += strlen ((*p->sym_ptr_ptr)->name) + sizeof ("@plt");
|
if (p->addend != 0)
|
if (p->addend != 0)
|
size += sizeof ("+0x") - 1 + 8;
|
size += sizeof ("+0x") - 1 + 8;
|
}
|
}
|
|
|
size += sizeof (asymbol) + sizeof ("__glink");
|
size += sizeof (asymbol) + sizeof ("__glink");
|
|
|
if (resolv_vma)
|
if (resolv_vma)
|
size += sizeof (asymbol) + sizeof ("__glink_PLTresolve");
|
size += sizeof (asymbol) + sizeof ("__glink_PLTresolve");
|
|
|
s = *ret = bfd_malloc (size);
|
s = *ret = bfd_malloc (size);
|
if (s == NULL)
|
if (s == NULL)
|
return -1;
|
return -1;
|
|
|
names = (char *) (s + count + 1 + (resolv_vma != 0));
|
names = (char *) (s + count + 1 + (resolv_vma != 0));
|
p = relplt->relocation;
|
p = relplt->relocation;
|
for (i = 0; i < count; i++, p++)
|
for (i = 0; i < count; i++, p++)
|
{
|
{
|
size_t len;
|
size_t len;
|
|
|
*s = **p->sym_ptr_ptr;
|
*s = **p->sym_ptr_ptr;
|
/* Undefined syms won't have BSF_LOCAL or BSF_GLOBAL set. Since
|
/* Undefined syms won't have BSF_LOCAL or BSF_GLOBAL set. Since
|
we are defining a symbol, ensure one of them is set. */
|
we are defining a symbol, ensure one of them is set. */
|
if ((s->flags & BSF_LOCAL) == 0)
|
if ((s->flags & BSF_LOCAL) == 0)
|
s->flags |= BSF_GLOBAL;
|
s->flags |= BSF_GLOBAL;
|
s->flags |= BSF_SYNTHETIC;
|
s->flags |= BSF_SYNTHETIC;
|
s->section = glink;
|
s->section = glink;
|
s->value = stub_vma - glink->vma;
|
s->value = stub_vma - glink->vma;
|
s->name = names;
|
s->name = names;
|
s->udata.p = NULL;
|
s->udata.p = NULL;
|
len = strlen ((*p->sym_ptr_ptr)->name);
|
len = strlen ((*p->sym_ptr_ptr)->name);
|
memcpy (names, (*p->sym_ptr_ptr)->name, len);
|
memcpy (names, (*p->sym_ptr_ptr)->name, len);
|
names += len;
|
names += len;
|
if (p->addend != 0)
|
if (p->addend != 0)
|
{
|
{
|
memcpy (names, "+0x", sizeof ("+0x") - 1);
|
memcpy (names, "+0x", sizeof ("+0x") - 1);
|
names += sizeof ("+0x") - 1;
|
names += sizeof ("+0x") - 1;
|
bfd_sprintf_vma (abfd, names, p->addend);
|
bfd_sprintf_vma (abfd, names, p->addend);
|
names += strlen (names);
|
names += strlen (names);
|
}
|
}
|
memcpy (names, "@plt", sizeof ("@plt"));
|
memcpy (names, "@plt", sizeof ("@plt"));
|
names += sizeof ("@plt");
|
names += sizeof ("@plt");
|
++s;
|
++s;
|
stub_vma += 16;
|
stub_vma += 16;
|
}
|
}
|
|
|
/* Add a symbol at the start of the glink branch table. */
|
/* Add a symbol at the start of the glink branch table. */
|
memset (s, 0, sizeof *s);
|
memset (s, 0, sizeof *s);
|
s->the_bfd = abfd;
|
s->the_bfd = abfd;
|
s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
|
s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
|
s->section = glink;
|
s->section = glink;
|
s->value = glink_vma - glink->vma;
|
s->value = glink_vma - glink->vma;
|
s->name = names;
|
s->name = names;
|
memcpy (names, "__glink", sizeof ("__glink"));
|
memcpy (names, "__glink", sizeof ("__glink"));
|
names += sizeof ("__glink");
|
names += sizeof ("__glink");
|
s++;
|
s++;
|
count++;
|
count++;
|
|
|
if (resolv_vma)
|
if (resolv_vma)
|
{
|
{
|
/* Add a symbol for the glink PLT resolver. */
|
/* Add a symbol for the glink PLT resolver. */
|
memset (s, 0, sizeof *s);
|
memset (s, 0, sizeof *s);
|
s->the_bfd = abfd;
|
s->the_bfd = abfd;
|
s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
|
s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
|
s->section = glink;
|
s->section = glink;
|
s->value = resolv_vma - glink->vma;
|
s->value = resolv_vma - glink->vma;
|
s->name = names;
|
s->name = names;
|
memcpy (names, "__glink_PLTresolve", sizeof ("__glink_PLTresolve"));
|
memcpy (names, "__glink_PLTresolve", sizeof ("__glink_PLTresolve"));
|
names += sizeof ("__glink_PLTresolve");
|
names += sizeof ("__glink_PLTresolve");
|
s++;
|
s++;
|
count++;
|
count++;
|
}
|
}
|
|
|
return count;
|
return count;
|
}
|
}
|
|
|
/* The following functions are specific to the ELF linker, while
|
/* The following functions are specific to the ELF linker, while
|
functions above are used generally. They appear in this file more
|
functions above are used generally. They appear in this file more
|
or less in the order in which they are called. eg.
|
or less in the order in which they are called. eg.
|
ppc_elf_check_relocs is called early in the link process,
|
ppc_elf_check_relocs is called early in the link process,
|
ppc_elf_finish_dynamic_sections is one of the last functions
|
ppc_elf_finish_dynamic_sections is one of the last functions
|
called. */
|
called. */
|
|
|
/* The PPC linker needs to keep track of the number of relocs that it
|
/* The PPC linker needs to keep track of the number of relocs that it
|
decides to copy as dynamic relocs in check_relocs for each symbol.
|
decides to copy as dynamic relocs in check_relocs for each symbol.
|
This is so that it can later discard them if they are found to be
|
This is so that it can later discard them if they are found to be
|
unnecessary. We store the information in a field extending the
|
unnecessary. We store the information in a field extending the
|
regular ELF linker hash table. */
|
regular ELF linker hash table. */
|
|
|
struct ppc_elf_dyn_relocs
|
struct ppc_elf_dyn_relocs
|
{
|
{
|
struct ppc_elf_dyn_relocs *next;
|
struct ppc_elf_dyn_relocs *next;
|
|
|
/* The input section of the reloc. */
|
/* The input section of the reloc. */
|
asection *sec;
|
asection *sec;
|
|
|
/* Total number of relocs copied for the input section. */
|
/* Total number of relocs copied for the input section. */
|
bfd_size_type count;
|
bfd_size_type count;
|
|
|
/* Number of pc-relative relocs copied for the input section. */
|
/* Number of pc-relative relocs copied for the input section. */
|
bfd_size_type pc_count;
|
bfd_size_type pc_count;
|
};
|
};
|
|
|
/* Track PLT entries needed for a given symbol. We might need more
|
/* Track PLT entries needed for a given symbol. We might need more
|
than one glink entry per symbol when generating a pic binary. */
|
than one glink entry per symbol when generating a pic binary. */
|
struct plt_entry
|
struct plt_entry
|
{
|
{
|
struct plt_entry *next;
|
struct plt_entry *next;
|
|
|
/* -fPIC uses multiple GOT sections, one per file, called ".got2".
|
/* -fPIC uses multiple GOT sections, one per file, called ".got2".
|
This field stores the offset into .got2 used to initialise the
|
This field stores the offset into .got2 used to initialise the
|
GOT pointer reg. It will always be at least 32768. (Current
|
GOT pointer reg. It will always be at least 32768. (Current
|
gcc always uses an offset of 32768, but ld -r will pack .got2
|
gcc always uses an offset of 32768, but ld -r will pack .got2
|
sections together resulting in larger offsets). */
|
sections together resulting in larger offsets). */
|
bfd_vma addend;
|
bfd_vma addend;
|
|
|
/* The .got2 section. */
|
/* The .got2 section. */
|
asection *sec;
|
asection *sec;
|
|
|
/* PLT refcount or offset. */
|
/* PLT refcount or offset. */
|
union
|
union
|
{
|
{
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} plt;
|
} plt;
|
|
|
/* .glink stub offset. */
|
/* .glink stub offset. */
|
bfd_vma glink_offset;
|
bfd_vma glink_offset;
|
};
|
};
|
|
|
/* Of those relocs that might be copied as dynamic relocs, this function
|
/* Of those relocs that might be copied as dynamic relocs, this function
|
selects those that must be copied when linking a shared library,
|
selects those that must be copied when linking a shared library,
|
even when the symbol is local. */
|
even when the symbol is local. */
|
|
|
static int
|
static int
|
must_be_dyn_reloc (struct bfd_link_info *info,
|
must_be_dyn_reloc (struct bfd_link_info *info,
|
enum elf_ppc_reloc_type r_type)
|
enum elf_ppc_reloc_type r_type)
|
{
|
{
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
return 1;
|
return 1;
|
|
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL32:
|
case R_PPC_REL32:
|
return 0;
|
return 0;
|
|
|
case R_PPC_TPREL32:
|
case R_PPC_TPREL32:
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HA:
|
case R_PPC_TPREL16_HA:
|
return !info->executable;
|
return !info->executable;
|
}
|
}
|
}
|
}
|
|
|
/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
|
/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
|
copying dynamic variables from a shared lib into an app's dynbss
|
copying dynamic variables from a shared lib into an app's dynbss
|
section, and instead use a dynamic relocation to point into the
|
section, and instead use a dynamic relocation to point into the
|
shared lib. */
|
shared lib. */
|
#define ELIMINATE_COPY_RELOCS 1
|
#define ELIMINATE_COPY_RELOCS 1
|
|
|
/* PPC ELF linker hash entry. */
|
/* PPC ELF linker hash entry. */
|
|
|
struct ppc_elf_link_hash_entry
|
struct ppc_elf_link_hash_entry
|
{
|
{
|
struct elf_link_hash_entry elf;
|
struct elf_link_hash_entry elf;
|
|
|
/* If this symbol is used in the linker created sections, the processor
|
/* If this symbol is used in the linker created sections, the processor
|
specific backend uses this field to map the field into the offset
|
specific backend uses this field to map the field into the offset
|
from the beginning of the section. */
|
from the beginning of the section. */
|
elf_linker_section_pointers_t *linker_section_pointer;
|
elf_linker_section_pointers_t *linker_section_pointer;
|
|
|
/* Track dynamic relocs copied for this symbol. */
|
/* Track dynamic relocs copied for this symbol. */
|
struct ppc_elf_dyn_relocs *dyn_relocs;
|
struct ppc_elf_dyn_relocs *dyn_relocs;
|
|
|
/* Contexts in which symbol is used in the GOT (or TOC).
|
/* Contexts in which symbol is used in the GOT (or TOC).
|
TLS_GD .. TLS_TLS bits are or'd into the mask as the
|
TLS_GD .. TLS_TLS bits are or'd into the mask as the
|
corresponding relocs are encountered during check_relocs.
|
corresponding relocs are encountered during check_relocs.
|
tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
|
tls_optimize clears TLS_GD .. TLS_TPREL when optimizing to
|
indicate the corresponding GOT entry type is not needed. */
|
indicate the corresponding GOT entry type is not needed. */
|
#define TLS_GD 1 /* GD reloc. */
|
#define TLS_GD 1 /* GD reloc. */
|
#define TLS_LD 2 /* LD reloc. */
|
#define TLS_LD 2 /* LD reloc. */
|
#define TLS_TPREL 4 /* TPREL reloc, => IE. */
|
#define TLS_TPREL 4 /* TPREL reloc, => IE. */
|
#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
|
#define TLS_DTPREL 8 /* DTPREL reloc, => LD. */
|
#define TLS_TLS 16 /* Any TLS reloc. */
|
#define TLS_TLS 16 /* Any TLS reloc. */
|
#define TLS_TPRELGD 32 /* TPREL reloc resulting from GD->IE. */
|
#define TLS_TPRELGD 32 /* TPREL reloc resulting from GD->IE. */
|
#define PLT_IFUNC 64 /* STT_GNU_IFUNC. */
|
#define PLT_IFUNC 64 /* STT_GNU_IFUNC. */
|
char tls_mask;
|
char tls_mask;
|
|
|
/* Nonzero if we have seen a small data relocation referring to this
|
/* Nonzero if we have seen a small data relocation referring to this
|
symbol. */
|
symbol. */
|
unsigned char has_sda_refs;
|
unsigned char has_sda_refs;
|
};
|
};
|
|
|
#define ppc_elf_hash_entry(ent) ((struct ppc_elf_link_hash_entry *) (ent))
|
#define ppc_elf_hash_entry(ent) ((struct ppc_elf_link_hash_entry *) (ent))
|
|
|
/* PPC ELF linker hash table. */
|
/* PPC ELF linker hash table. */
|
|
|
struct ppc_elf_link_hash_table
|
struct ppc_elf_link_hash_table
|
{
|
{
|
struct elf_link_hash_table elf;
|
struct elf_link_hash_table elf;
|
|
|
/* Short-cuts to get to dynamic linker sections. */
|
/* Short-cuts to get to dynamic linker sections. */
|
asection *got;
|
asection *got;
|
asection *relgot;
|
asection *relgot;
|
asection *glink;
|
asection *glink;
|
asection *plt;
|
asection *plt;
|
asection *relplt;
|
asection *relplt;
|
asection *iplt;
|
asection *iplt;
|
asection *reliplt;
|
asection *reliplt;
|
asection *dynbss;
|
asection *dynbss;
|
asection *relbss;
|
asection *relbss;
|
asection *dynsbss;
|
asection *dynsbss;
|
asection *relsbss;
|
asection *relsbss;
|
elf_linker_section_t sdata[2];
|
elf_linker_section_t sdata[2];
|
asection *sbss;
|
asection *sbss;
|
|
|
/* The (unloaded but important) .rela.plt.unloaded on VxWorks. */
|
/* The (unloaded but important) .rela.plt.unloaded on VxWorks. */
|
asection *srelplt2;
|
asection *srelplt2;
|
|
|
/* The .got.plt section (VxWorks only)*/
|
/* The .got.plt section (VxWorks only)*/
|
asection *sgotplt;
|
asection *sgotplt;
|
|
|
/* Shortcut to __tls_get_addr. */
|
/* Shortcut to __tls_get_addr. */
|
struct elf_link_hash_entry *tls_get_addr;
|
struct elf_link_hash_entry *tls_get_addr;
|
|
|
/* The bfd that forced an old-style PLT. */
|
/* The bfd that forced an old-style PLT. */
|
bfd *old_bfd;
|
bfd *old_bfd;
|
|
|
/* TLS local dynamic got entry handling. */
|
/* TLS local dynamic got entry handling. */
|
union {
|
union {
|
bfd_signed_vma refcount;
|
bfd_signed_vma refcount;
|
bfd_vma offset;
|
bfd_vma offset;
|
} tlsld_got;
|
} tlsld_got;
|
|
|
/* Offset of branch table to PltResolve function in glink. */
|
/* Offset of branch table to PltResolve function in glink. */
|
bfd_vma glink_pltresolve;
|
bfd_vma glink_pltresolve;
|
|
|
/* Size of reserved GOT entries. */
|
/* Size of reserved GOT entries. */
|
unsigned int got_header_size;
|
unsigned int got_header_size;
|
/* Non-zero if allocating the header left a gap. */
|
/* Non-zero if allocating the header left a gap. */
|
unsigned int got_gap;
|
unsigned int got_gap;
|
|
|
/* The type of PLT we have chosen to use. */
|
/* The type of PLT we have chosen to use. */
|
enum ppc_elf_plt_type plt_type;
|
enum ppc_elf_plt_type plt_type;
|
|
|
/* Set if we should emit symbols for stubs. */
|
/* Set if we should emit symbols for stubs. */
|
unsigned int emit_stub_syms:1;
|
unsigned int emit_stub_syms:1;
|
|
|
/* Set if __tls_get_addr optimization should not be done. */
|
/* Set if __tls_get_addr optimization should not be done. */
|
unsigned int no_tls_get_addr_opt:1;
|
unsigned int no_tls_get_addr_opt:1;
|
|
|
/* True if the target system is VxWorks. */
|
/* True if the target system is VxWorks. */
|
unsigned int is_vxworks:1;
|
unsigned int is_vxworks:1;
|
|
|
/* The size of PLT entries. */
|
/* The size of PLT entries. */
|
int plt_entry_size;
|
int plt_entry_size;
|
/* The distance between adjacent PLT slots. */
|
/* The distance between adjacent PLT slots. */
|
int plt_slot_size;
|
int plt_slot_size;
|
/* The size of the first PLT entry. */
|
/* The size of the first PLT entry. */
|
int plt_initial_entry_size;
|
int plt_initial_entry_size;
|
|
|
/* Small local sym cache. */
|
/* Small local sym cache. */
|
struct sym_cache sym_cache;
|
struct sym_cache sym_cache;
|
};
|
};
|
|
|
/* Get the PPC ELF linker hash table from a link_info structure. */
|
/* Get the PPC ELF linker hash table from a link_info structure. */
|
|
|
#define ppc_elf_hash_table(p) \
|
#define ppc_elf_hash_table(p) \
|
((struct ppc_elf_link_hash_table *) (p)->hash)
|
((struct ppc_elf_link_hash_table *) (p)->hash)
|
|
|
/* Create an entry in a PPC ELF linker hash table. */
|
/* Create an entry in a PPC ELF linker hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
|
ppc_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (entry == NULL)
|
if (entry == NULL)
|
{
|
{
|
entry = bfd_hash_allocate (table,
|
entry = bfd_hash_allocate (table,
|
sizeof (struct ppc_elf_link_hash_entry));
|
sizeof (struct ppc_elf_link_hash_entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
entry = _bfd_elf_link_hash_newfunc (entry, table, string);
|
entry = _bfd_elf_link_hash_newfunc (entry, table, string);
|
if (entry != NULL)
|
if (entry != NULL)
|
{
|
{
|
ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
|
ppc_elf_hash_entry (entry)->linker_section_pointer = NULL;
|
ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
|
ppc_elf_hash_entry (entry)->dyn_relocs = NULL;
|
ppc_elf_hash_entry (entry)->tls_mask = 0;
|
ppc_elf_hash_entry (entry)->tls_mask = 0;
|
}
|
}
|
|
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Create a PPC ELF linker hash table. */
|
/* Create a PPC ELF linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
ppc_elf_link_hash_table_create (bfd *abfd)
|
ppc_elf_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct ppc_elf_link_hash_table *ret;
|
struct ppc_elf_link_hash_table *ret;
|
|
|
ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
|
ret = bfd_zmalloc (sizeof (struct ppc_elf_link_hash_table));
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
|
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
|
ppc_elf_link_hash_newfunc,
|
ppc_elf_link_hash_newfunc,
|
sizeof (struct ppc_elf_link_hash_entry)))
|
sizeof (struct ppc_elf_link_hash_entry)))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ret->elf.init_plt_refcount.refcount = 0;
|
ret->elf.init_plt_refcount.refcount = 0;
|
ret->elf.init_plt_refcount.glist = NULL;
|
ret->elf.init_plt_refcount.glist = NULL;
|
ret->elf.init_plt_offset.offset = 0;
|
ret->elf.init_plt_offset.offset = 0;
|
ret->elf.init_plt_offset.glist = NULL;
|
ret->elf.init_plt_offset.glist = NULL;
|
|
|
ret->sdata[0].name = ".sdata";
|
ret->sdata[0].name = ".sdata";
|
ret->sdata[0].sym_name = "_SDA_BASE_";
|
ret->sdata[0].sym_name = "_SDA_BASE_";
|
ret->sdata[0].bss_name = ".sbss";
|
ret->sdata[0].bss_name = ".sbss";
|
|
|
ret->sdata[1].name = ".sdata2";
|
ret->sdata[1].name = ".sdata2";
|
ret->sdata[1].sym_name = "_SDA2_BASE_";
|
ret->sdata[1].sym_name = "_SDA2_BASE_";
|
ret->sdata[1].bss_name = ".sbss2";
|
ret->sdata[1].bss_name = ".sbss2";
|
|
|
ret->plt_entry_size = 12;
|
ret->plt_entry_size = 12;
|
ret->plt_slot_size = 8;
|
ret->plt_slot_size = 8;
|
ret->plt_initial_entry_size = 72;
|
ret->plt_initial_entry_size = 72;
|
|
|
return &ret->elf.root;
|
return &ret->elf.root;
|
}
|
}
|
|
|
/* Create .got and the related sections. */
|
/* Create .got and the related sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
|
ppc_elf_create_got (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
flagword flags;
|
flagword flags;
|
|
|
if (!_bfd_elf_create_got_section (abfd, info))
|
if (!_bfd_elf_create_got_section (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
htab->got = s = bfd_get_section_by_name (abfd, ".got");
|
htab->got = s = bfd_get_section_by_name (abfd, ".got");
|
if (s == NULL)
|
if (s == NULL)
|
abort ();
|
abort ();
|
|
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
{
|
{
|
htab->sgotplt = bfd_get_section_by_name (abfd, ".got.plt");
|
htab->sgotplt = bfd_get_section_by_name (abfd, ".got.plt");
|
if (!htab->sgotplt)
|
if (!htab->sgotplt)
|
abort ();
|
abort ();
|
}
|
}
|
else
|
else
|
{
|
{
|
/* The powerpc .got has a blrl instruction in it. Mark it
|
/* The powerpc .got has a blrl instruction in it. Mark it
|
executable. */
|
executable. */
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
if (!bfd_set_section_flags (abfd, s, flags))
|
if (!bfd_set_section_flags (abfd, s, flags))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
htab->relgot = bfd_get_section_by_name (abfd, ".rela.got");
|
htab->relgot = bfd_get_section_by_name (abfd, ".rela.got");
|
if (!htab->relgot)
|
if (!htab->relgot)
|
abort ();
|
abort ();
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_create_glink (bfd *abfd, struct bfd_link_info *info)
|
ppc_elf_create_glink (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
asection *s;
|
asection *s;
|
flagword flags;
|
flagword flags;
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY | SEC_HAS_CONTENTS
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY | SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
s = bfd_make_section_anyway_with_flags (abfd, ".glink", flags);
|
s = bfd_make_section_anyway_with_flags (abfd, ".glink", flags);
|
htab->glink = s;
|
htab->glink = s;
|
if (s == NULL
|
if (s == NULL
|
|| !bfd_set_section_alignment (abfd, s, 4))
|
|| !bfd_set_section_alignment (abfd, s, 4))
|
return FALSE;
|
return FALSE;
|
|
|
flags = SEC_ALLOC | SEC_LINKER_CREATED;
|
flags = SEC_ALLOC | SEC_LINKER_CREATED;
|
s = bfd_make_section_anyway_with_flags (abfd, ".iplt", flags);
|
s = bfd_make_section_anyway_with_flags (abfd, ".iplt", flags);
|
htab->iplt = s;
|
htab->iplt = s;
|
if (s == NULL
|
if (s == NULL
|
|| !bfd_set_section_alignment (abfd, s, 4))
|
|| !bfd_set_section_alignment (abfd, s, 4))
|
return FALSE;
|
return FALSE;
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
s = bfd_make_section_with_flags (abfd, ".rela.iplt", flags);
|
s = bfd_make_section_with_flags (abfd, ".rela.iplt", flags);
|
htab->reliplt = s;
|
htab->reliplt = s;
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
return FALSE;
|
return FALSE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* We have to create .dynsbss and .rela.sbss here so that they get mapped
|
/* We have to create .dynsbss and .rela.sbss here so that they get mapped
|
to output sections (just like _bfd_elf_create_dynamic_sections has
|
to output sections (just like _bfd_elf_create_dynamic_sections has
|
to create .dynbss and .rela.bss). */
|
to create .dynbss and .rela.bss). */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
ppc_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
flagword flags;
|
flagword flags;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
|
|
if (htab->got == NULL
|
if (htab->got == NULL
|
&& !ppc_elf_create_got (abfd, info))
|
&& !ppc_elf_create_got (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
if (!_bfd_elf_create_dynamic_sections (abfd, info))
|
if (!_bfd_elf_create_dynamic_sections (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
if (htab->glink == NULL
|
if (htab->glink == NULL
|
&& !ppc_elf_create_glink (abfd, info))
|
&& !ppc_elf_create_glink (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
|
htab->dynbss = bfd_get_section_by_name (abfd, ".dynbss");
|
s = bfd_make_section_with_flags (abfd, ".dynsbss",
|
s = bfd_make_section_with_flags (abfd, ".dynsbss",
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
htab->dynsbss = s;
|
htab->dynsbss = s;
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
|
htab->relbss = bfd_get_section_by_name (abfd, ".rela.bss");
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
s = bfd_make_section_with_flags (abfd, ".rela.sbss", flags);
|
s = bfd_make_section_with_flags (abfd, ".rela.sbss", flags);
|
htab->relsbss = s;
|
htab->relsbss = s;
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->is_vxworks
|
if (htab->is_vxworks
|
&& !elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
|
&& !elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2))
|
return FALSE;
|
return FALSE;
|
|
|
htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
|
htab->relplt = bfd_get_section_by_name (abfd, ".rela.plt");
|
htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
|
htab->plt = s = bfd_get_section_by_name (abfd, ".plt");
|
if (s == NULL)
|
if (s == NULL)
|
abort ();
|
abort ();
|
|
|
flags = SEC_ALLOC | SEC_CODE | SEC_LINKER_CREATED;
|
flags = SEC_ALLOC | SEC_CODE | SEC_LINKER_CREATED;
|
if (htab->plt_type == PLT_VXWORKS)
|
if (htab->plt_type == PLT_VXWORKS)
|
/* The VxWorks PLT is a loaded section with contents. */
|
/* The VxWorks PLT is a loaded section with contents. */
|
flags |= SEC_HAS_CONTENTS | SEC_LOAD | SEC_READONLY;
|
flags |= SEC_HAS_CONTENTS | SEC_LOAD | SEC_READONLY;
|
return bfd_set_section_flags (abfd, s, flags);
|
return bfd_set_section_flags (abfd, s, flags);
|
}
|
}
|
|
|
/* Copy the extra info we tack onto an elf_link_hash_entry. */
|
/* Copy the extra info we tack onto an elf_link_hash_entry. */
|
|
|
static void
|
static void
|
ppc_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
ppc_elf_copy_indirect_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *dir,
|
struct elf_link_hash_entry *dir,
|
struct elf_link_hash_entry *ind)
|
struct elf_link_hash_entry *ind)
|
{
|
{
|
struct ppc_elf_link_hash_entry *edir, *eind;
|
struct ppc_elf_link_hash_entry *edir, *eind;
|
|
|
edir = (struct ppc_elf_link_hash_entry *) dir;
|
edir = (struct ppc_elf_link_hash_entry *) dir;
|
eind = (struct ppc_elf_link_hash_entry *) ind;
|
eind = (struct ppc_elf_link_hash_entry *) ind;
|
|
|
if (eind->dyn_relocs != NULL)
|
if (eind->dyn_relocs != NULL)
|
{
|
{
|
if (edir->dyn_relocs != NULL)
|
if (edir->dyn_relocs != NULL)
|
{
|
{
|
struct ppc_elf_dyn_relocs **pp;
|
struct ppc_elf_dyn_relocs **pp;
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs *p;
|
|
|
/* Add reloc counts against the indirect sym to the direct sym
|
/* Add reloc counts against the indirect sym to the direct sym
|
list. Merge any entries against the same section. */
|
list. Merge any entries against the same section. */
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
struct ppc_elf_dyn_relocs *q;
|
struct ppc_elf_dyn_relocs *q;
|
|
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
if (q->sec == p->sec)
|
if (q->sec == p->sec)
|
{
|
{
|
q->pc_count += p->pc_count;
|
q->pc_count += p->pc_count;
|
q->count += p->count;
|
q->count += p->count;
|
*pp = p->next;
|
*pp = p->next;
|
break;
|
break;
|
}
|
}
|
if (q == NULL)
|
if (q == NULL)
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
*pp = edir->dyn_relocs;
|
*pp = edir->dyn_relocs;
|
}
|
}
|
|
|
edir->dyn_relocs = eind->dyn_relocs;
|
edir->dyn_relocs = eind->dyn_relocs;
|
eind->dyn_relocs = NULL;
|
eind->dyn_relocs = NULL;
|
}
|
}
|
|
|
edir->tls_mask |= eind->tls_mask;
|
edir->tls_mask |= eind->tls_mask;
|
edir->has_sda_refs |= eind->has_sda_refs;
|
edir->has_sda_refs |= eind->has_sda_refs;
|
|
|
/* If called to transfer flags for a weakdef during processing
|
/* If called to transfer flags for a weakdef during processing
|
of elf_adjust_dynamic_symbol, don't copy non_got_ref.
|
of elf_adjust_dynamic_symbol, don't copy non_got_ref.
|
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
|
We clear it ourselves for ELIMINATE_COPY_RELOCS. */
|
if (!(ELIMINATE_COPY_RELOCS
|
if (!(ELIMINATE_COPY_RELOCS
|
&& eind->elf.root.type != bfd_link_hash_indirect
|
&& eind->elf.root.type != bfd_link_hash_indirect
|
&& edir->elf.dynamic_adjusted))
|
&& edir->elf.dynamic_adjusted))
|
edir->elf.non_got_ref |= eind->elf.non_got_ref;
|
edir->elf.non_got_ref |= eind->elf.non_got_ref;
|
|
|
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
|
edir->elf.ref_dynamic |= eind->elf.ref_dynamic;
|
edir->elf.ref_regular |= eind->elf.ref_regular;
|
edir->elf.ref_regular |= eind->elf.ref_regular;
|
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
|
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
|
edir->elf.needs_plt |= eind->elf.needs_plt;
|
edir->elf.needs_plt |= eind->elf.needs_plt;
|
edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
|
edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
|
|
|
/* If we were called to copy over info for a weak sym, that's all. */
|
/* If we were called to copy over info for a weak sym, that's all. */
|
if (eind->elf.root.type != bfd_link_hash_indirect)
|
if (eind->elf.root.type != bfd_link_hash_indirect)
|
return;
|
return;
|
|
|
/* Copy over the GOT refcount entries that we may have already seen to
|
/* Copy over the GOT refcount entries that we may have already seen to
|
the symbol which just became indirect. */
|
the symbol which just became indirect. */
|
edir->elf.got.refcount += eind->elf.got.refcount;
|
edir->elf.got.refcount += eind->elf.got.refcount;
|
eind->elf.got.refcount = 0;
|
eind->elf.got.refcount = 0;
|
|
|
/* And plt entries. */
|
/* And plt entries. */
|
if (eind->elf.plt.plist != NULL)
|
if (eind->elf.plt.plist != NULL)
|
{
|
{
|
if (edir->elf.plt.plist != NULL)
|
if (edir->elf.plt.plist != NULL)
|
{
|
{
|
struct plt_entry **entp;
|
struct plt_entry **entp;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
for (entp = &eind->elf.plt.plist; (ent = *entp) != NULL; )
|
for (entp = &eind->elf.plt.plist; (ent = *entp) != NULL; )
|
{
|
{
|
struct plt_entry *dent;
|
struct plt_entry *dent;
|
|
|
for (dent = edir->elf.plt.plist; dent != NULL; dent = dent->next)
|
for (dent = edir->elf.plt.plist; dent != NULL; dent = dent->next)
|
if (dent->sec == ent->sec && dent->addend == ent->addend)
|
if (dent->sec == ent->sec && dent->addend == ent->addend)
|
{
|
{
|
dent->plt.refcount += ent->plt.refcount;
|
dent->plt.refcount += ent->plt.refcount;
|
*entp = ent->next;
|
*entp = ent->next;
|
break;
|
break;
|
}
|
}
|
if (dent == NULL)
|
if (dent == NULL)
|
entp = &ent->next;
|
entp = &ent->next;
|
}
|
}
|
*entp = edir->elf.plt.plist;
|
*entp = edir->elf.plt.plist;
|
}
|
}
|
|
|
edir->elf.plt.plist = eind->elf.plt.plist;
|
edir->elf.plt.plist = eind->elf.plt.plist;
|
eind->elf.plt.plist = NULL;
|
eind->elf.plt.plist = NULL;
|
}
|
}
|
|
|
if (eind->elf.dynindx != -1)
|
if (eind->elf.dynindx != -1)
|
{
|
{
|
if (edir->elf.dynindx != -1)
|
if (edir->elf.dynindx != -1)
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
edir->elf.dynstr_index);
|
edir->elf.dynstr_index);
|
edir->elf.dynindx = eind->elf.dynindx;
|
edir->elf.dynindx = eind->elf.dynindx;
|
edir->elf.dynstr_index = eind->elf.dynstr_index;
|
edir->elf.dynstr_index = eind->elf.dynstr_index;
|
eind->elf.dynindx = -1;
|
eind->elf.dynindx = -1;
|
eind->elf.dynstr_index = 0;
|
eind->elf.dynstr_index = 0;
|
}
|
}
|
}
|
}
|
|
|
/* Hook called by the linker routine which adds symbols from an object
|
/* Hook called by the linker routine which adds symbols from an object
|
file. We use it to put .comm items in .sbss, and not .bss. */
|
file. We use it to put .comm items in .sbss, and not .bss. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_add_symbol_hook (bfd *abfd,
|
ppc_elf_add_symbol_hook (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
Elf_Internal_Sym *sym,
|
Elf_Internal_Sym *sym,
|
const char **namep ATTRIBUTE_UNUSED,
|
const char **namep ATTRIBUTE_UNUSED,
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
asection **secp,
|
asection **secp,
|
bfd_vma *valp)
|
bfd_vma *valp)
|
{
|
{
|
if (sym->st_shndx == SHN_COMMON
|
if (sym->st_shndx == SHN_COMMON
|
&& !info->relocatable
|
&& !info->relocatable
|
&& is_ppc_elf (info->output_bfd)
|
&& is_ppc_elf (info->output_bfd)
|
&& sym->st_size <= elf_gp_size (abfd))
|
&& sym->st_size <= elf_gp_size (abfd))
|
{
|
{
|
/* Common symbols less than or equal to -G nn bytes are automatically
|
/* Common symbols less than or equal to -G nn bytes are automatically
|
put into .sbss. */
|
put into .sbss. */
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
if (htab->sbss == NULL)
|
if (htab->sbss == NULL)
|
{
|
{
|
flagword flags = SEC_IS_COMMON | SEC_LINKER_CREATED;
|
flagword flags = SEC_IS_COMMON | SEC_LINKER_CREATED;
|
|
|
if (!htab->elf.dynobj)
|
if (!htab->elf.dynobj)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
|
|
htab->sbss = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
|
htab->sbss = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
|
".sbss",
|
".sbss",
|
flags);
|
flags);
|
if (htab->sbss == NULL)
|
if (htab->sbss == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
*secp = htab->sbss;
|
*secp = htab->sbss;
|
*valp = sym->st_size;
|
*valp = sym->st_size;
|
}
|
}
|
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
elf_tdata (info->output_bfd)->has_ifunc_symbols = TRUE;
|
elf_tdata (info->output_bfd)->has_ifunc_symbols = TRUE;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
create_sdata_sym (struct bfd_link_info *info, elf_linker_section_t *lsect)
|
create_sdata_sym (struct bfd_link_info *info, elf_linker_section_t *lsect)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
|
|
lsect->sym = elf_link_hash_lookup (&htab->elf, lsect->sym_name,
|
lsect->sym = elf_link_hash_lookup (&htab->elf, lsect->sym_name,
|
TRUE, FALSE, TRUE);
|
TRUE, FALSE, TRUE);
|
if (lsect->sym == NULL)
|
if (lsect->sym == NULL)
|
return FALSE;
|
return FALSE;
|
if (lsect->sym->root.type == bfd_link_hash_new)
|
if (lsect->sym->root.type == bfd_link_hash_new)
|
lsect->sym->non_elf = 0;
|
lsect->sym->non_elf = 0;
|
lsect->sym->ref_regular = 1;
|
lsect->sym->ref_regular = 1;
|
_bfd_elf_link_hash_hide_symbol (info, lsect->sym, TRUE);
|
_bfd_elf_link_hash_hide_symbol (info, lsect->sym, TRUE);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Create a special linker section. */
|
/* Create a special linker section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_create_linker_section (bfd *abfd,
|
ppc_elf_create_linker_section (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
flagword flags,
|
flagword flags,
|
elf_linker_section_t *lsect)
|
elf_linker_section_t *lsect)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
asection *s;
|
asection *s;
|
|
|
flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
flags |= (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| SEC_LINKER_CREATED);
|
| SEC_LINKER_CREATED);
|
|
|
/* Record the first bfd that needs the special sections. */
|
/* Record the first bfd that needs the special sections. */
|
if (!htab->elf.dynobj)
|
if (!htab->elf.dynobj)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
|
|
s = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
|
s = bfd_make_section_anyway_with_flags (htab->elf.dynobj,
|
lsect->name,
|
lsect->name,
|
flags);
|
flags);
|
if (s == NULL
|
if (s == NULL
|
|| !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
|
|| !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
|
return FALSE;
|
return FALSE;
|
lsect->section = s;
|
lsect->section = s;
|
|
|
return create_sdata_sym (info, lsect);
|
return create_sdata_sym (info, lsect);
|
}
|
}
|
|
|
/* Find a linker generated pointer with a given addend and type. */
|
/* Find a linker generated pointer with a given addend and type. */
|
|
|
static elf_linker_section_pointers_t *
|
static elf_linker_section_pointers_t *
|
elf_find_pointer_linker_section
|
elf_find_pointer_linker_section
|
(elf_linker_section_pointers_t *linker_pointers,
|
(elf_linker_section_pointers_t *linker_pointers,
|
bfd_vma addend,
|
bfd_vma addend,
|
elf_linker_section_t *lsect)
|
elf_linker_section_t *lsect)
|
{
|
{
|
for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
|
for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
|
if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
|
if (lsect == linker_pointers->lsect && addend == linker_pointers->addend)
|
return linker_pointers;
|
return linker_pointers;
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Allocate a pointer to live in a linker created section. */
|
/* Allocate a pointer to live in a linker created section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
elf_create_pointer_linker_section (bfd *abfd,
|
elf_create_pointer_linker_section (bfd *abfd,
|
elf_linker_section_t *lsect,
|
elf_linker_section_t *lsect,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
const Elf_Internal_Rela *rel)
|
const Elf_Internal_Rela *rel)
|
{
|
{
|
elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
|
elf_linker_section_pointers_t **ptr_linker_section_ptr = NULL;
|
elf_linker_section_pointers_t *linker_section_ptr;
|
elf_linker_section_pointers_t *linker_section_ptr;
|
unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
|
unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
|
bfd_size_type amt;
|
bfd_size_type amt;
|
|
|
BFD_ASSERT (lsect != NULL);
|
BFD_ASSERT (lsect != NULL);
|
|
|
/* Is this a global symbol? */
|
/* Is this a global symbol? */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct ppc_elf_link_hash_entry *eh;
|
struct ppc_elf_link_hash_entry *eh;
|
|
|
/* Has this symbol already been allocated? If so, our work is done. */
|
/* Has this symbol already been allocated? If so, our work is done. */
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
if (elf_find_pointer_linker_section (eh->linker_section_pointer,
|
if (elf_find_pointer_linker_section (eh->linker_section_pointer,
|
rel->r_addend,
|
rel->r_addend,
|
lsect))
|
lsect))
|
return TRUE;
|
return TRUE;
|
|
|
ptr_linker_section_ptr = &eh->linker_section_pointer;
|
ptr_linker_section_ptr = &eh->linker_section_pointer;
|
}
|
}
|
else
|
else
|
{
|
{
|
BFD_ASSERT (is_ppc_elf (abfd));
|
BFD_ASSERT (is_ppc_elf (abfd));
|
|
|
/* Allocation of a pointer to a local symbol. */
|
/* Allocation of a pointer to a local symbol. */
|
elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);
|
elf_linker_section_pointers_t **ptr = elf_local_ptr_offsets (abfd);
|
|
|
/* Allocate a table to hold the local symbols if first time. */
|
/* Allocate a table to hold the local symbols if first time. */
|
if (!ptr)
|
if (!ptr)
|
{
|
{
|
unsigned int num_symbols = elf_symtab_hdr (abfd).sh_info;
|
unsigned int num_symbols = elf_symtab_hdr (abfd).sh_info;
|
|
|
amt = num_symbols;
|
amt = num_symbols;
|
amt *= sizeof (elf_linker_section_pointers_t *);
|
amt *= sizeof (elf_linker_section_pointers_t *);
|
ptr = bfd_zalloc (abfd, amt);
|
ptr = bfd_zalloc (abfd, amt);
|
|
|
if (!ptr)
|
if (!ptr)
|
return FALSE;
|
return FALSE;
|
|
|
elf_local_ptr_offsets (abfd) = ptr;
|
elf_local_ptr_offsets (abfd) = ptr;
|
}
|
}
|
|
|
/* Has this symbol already been allocated? If so, our work is done. */
|
/* Has this symbol already been allocated? If so, our work is done. */
|
if (elf_find_pointer_linker_section (ptr[r_symndx],
|
if (elf_find_pointer_linker_section (ptr[r_symndx],
|
rel->r_addend,
|
rel->r_addend,
|
lsect))
|
lsect))
|
return TRUE;
|
return TRUE;
|
|
|
ptr_linker_section_ptr = &ptr[r_symndx];
|
ptr_linker_section_ptr = &ptr[r_symndx];
|
}
|
}
|
|
|
/* Allocate space for a pointer in the linker section, and allocate
|
/* Allocate space for a pointer in the linker section, and allocate
|
a new pointer record from internal memory. */
|
a new pointer record from internal memory. */
|
BFD_ASSERT (ptr_linker_section_ptr != NULL);
|
BFD_ASSERT (ptr_linker_section_ptr != NULL);
|
amt = sizeof (elf_linker_section_pointers_t);
|
amt = sizeof (elf_linker_section_pointers_t);
|
linker_section_ptr = bfd_alloc (abfd, amt);
|
linker_section_ptr = bfd_alloc (abfd, amt);
|
|
|
if (!linker_section_ptr)
|
if (!linker_section_ptr)
|
return FALSE;
|
return FALSE;
|
|
|
linker_section_ptr->next = *ptr_linker_section_ptr;
|
linker_section_ptr->next = *ptr_linker_section_ptr;
|
linker_section_ptr->addend = rel->r_addend;
|
linker_section_ptr->addend = rel->r_addend;
|
linker_section_ptr->lsect = lsect;
|
linker_section_ptr->lsect = lsect;
|
*ptr_linker_section_ptr = linker_section_ptr;
|
*ptr_linker_section_ptr = linker_section_ptr;
|
|
|
linker_section_ptr->offset = lsect->section->size;
|
linker_section_ptr->offset = lsect->section->size;
|
lsect->section->size += 4;
|
lsect->section->size += 4;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"Create pointer in linker section %s, offset = %ld, section size = %ld\n",
|
"Create pointer in linker section %s, offset = %ld, section size = %ld\n",
|
lsect->name, (long) linker_section_ptr->offset,
|
lsect->name, (long) linker_section_ptr->offset,
|
(long) lsect->section->size);
|
(long) lsect->section->size);
|
#endif
|
#endif
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static struct plt_entry **
|
static struct plt_entry **
|
update_local_sym_info (bfd *abfd,
|
update_local_sym_info (bfd *abfd,
|
Elf_Internal_Shdr *symtab_hdr,
|
Elf_Internal_Shdr *symtab_hdr,
|
unsigned long r_symndx,
|
unsigned long r_symndx,
|
int tls_type)
|
int tls_type)
|
{
|
{
|
bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
|
bfd_signed_vma *local_got_refcounts = elf_local_got_refcounts (abfd);
|
struct plt_entry **local_plt;
|
struct plt_entry **local_plt;
|
char *local_got_tls_masks;
|
char *local_got_tls_masks;
|
|
|
if (local_got_refcounts == NULL)
|
if (local_got_refcounts == NULL)
|
{
|
{
|
bfd_size_type size = symtab_hdr->sh_info;
|
bfd_size_type size = symtab_hdr->sh_info;
|
|
|
size *= (sizeof (*local_got_refcounts)
|
size *= (sizeof (*local_got_refcounts)
|
+ sizeof (*local_plt)
|
+ sizeof (*local_plt)
|
+ sizeof (*local_got_tls_masks));
|
+ sizeof (*local_got_tls_masks));
|
local_got_refcounts = bfd_zalloc (abfd, size);
|
local_got_refcounts = bfd_zalloc (abfd, size);
|
if (local_got_refcounts == NULL)
|
if (local_got_refcounts == NULL)
|
return NULL;
|
return NULL;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
}
|
}
|
|
|
local_plt = (struct plt_entry **) (local_got_refcounts + symtab_hdr->sh_info);
|
local_plt = (struct plt_entry **) (local_got_refcounts + symtab_hdr->sh_info);
|
local_got_tls_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
local_got_tls_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
local_got_tls_masks[r_symndx] |= tls_type;
|
local_got_tls_masks[r_symndx] |= tls_type;
|
if (tls_type != PLT_IFUNC)
|
if (tls_type != PLT_IFUNC)
|
local_got_refcounts[r_symndx] += 1;
|
local_got_refcounts[r_symndx] += 1;
|
return local_plt + r_symndx;
|
return local_plt + r_symndx;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
update_plt_info (bfd *abfd, struct plt_entry **plist,
|
update_plt_info (bfd *abfd, struct plt_entry **plist,
|
asection *sec, bfd_vma addend)
|
asection *sec, bfd_vma addend)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (addend < 32768)
|
if (addend < 32768)
|
sec = NULL;
|
sec = NULL;
|
for (ent = *plist; ent != NULL; ent = ent->next)
|
for (ent = *plist; ent != NULL; ent = ent->next)
|
if (ent->sec == sec && ent->addend == addend)
|
if (ent->sec == sec && ent->addend == addend)
|
break;
|
break;
|
if (ent == NULL)
|
if (ent == NULL)
|
{
|
{
|
bfd_size_type amt = sizeof (*ent);
|
bfd_size_type amt = sizeof (*ent);
|
ent = bfd_alloc (abfd, amt);
|
ent = bfd_alloc (abfd, amt);
|
if (ent == NULL)
|
if (ent == NULL)
|
return FALSE;
|
return FALSE;
|
ent->next = *plist;
|
ent->next = *plist;
|
ent->sec = sec;
|
ent->sec = sec;
|
ent->addend = addend;
|
ent->addend = addend;
|
ent->plt.refcount = 0;
|
ent->plt.refcount = 0;
|
*plist = ent;
|
*plist = ent;
|
}
|
}
|
ent->plt.refcount += 1;
|
ent->plt.refcount += 1;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static struct plt_entry *
|
static struct plt_entry *
|
find_plt_ent (struct plt_entry **plist, asection *sec, bfd_vma addend)
|
find_plt_ent (struct plt_entry **plist, asection *sec, bfd_vma addend)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (addend < 32768)
|
if (addend < 32768)
|
sec = NULL;
|
sec = NULL;
|
for (ent = *plist; ent != NULL; ent = ent->next)
|
for (ent = *plist; ent != NULL; ent = ent->next)
|
if (ent->sec == sec && ent->addend == addend)
|
if (ent->sec == sec && ent->addend == addend)
|
break;
|
break;
|
return ent;
|
return ent;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
is_branch_reloc (enum elf_ppc_reloc_type r_type)
|
is_branch_reloc (enum elf_ppc_reloc_type r_type)
|
{
|
{
|
return (r_type == R_PPC_PLTREL24
|
return (r_type == R_PPC_PLTREL24
|
|| r_type == R_PPC_LOCAL24PC
|
|| r_type == R_PPC_LOCAL24PC
|
|| r_type == R_PPC_REL24
|
|| r_type == R_PPC_REL24
|
|| r_type == R_PPC_REL14
|
|| r_type == R_PPC_REL14
|
|| r_type == R_PPC_REL14_BRTAKEN
|
|| r_type == R_PPC_REL14_BRTAKEN
|
|| r_type == R_PPC_REL14_BRNTAKEN
|
|| r_type == R_PPC_REL14_BRNTAKEN
|
|| r_type == R_PPC_ADDR24
|
|| r_type == R_PPC_ADDR24
|
|| r_type == R_PPC_ADDR14
|
|| r_type == R_PPC_ADDR14
|
|| r_type == R_PPC_ADDR14_BRTAKEN
|
|| r_type == R_PPC_ADDR14_BRTAKEN
|
|| r_type == R_PPC_ADDR14_BRNTAKEN);
|
|| r_type == R_PPC_ADDR14_BRNTAKEN);
|
}
|
}
|
|
|
static void
|
static void
|
bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
|
bad_shared_reloc (bfd *abfd, enum elf_ppc_reloc_type r_type)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: relocation %s cannot be used when making a shared object"),
|
(_("%B: relocation %s cannot be used when making a shared object"),
|
abfd,
|
abfd,
|
ppc_elf_howto_table[r_type]->name);
|
ppc_elf_howto_table[r_type]->name);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
}
|
}
|
|
|
/* Look through the relocs for a section during the first phase, and
|
/* Look through the relocs for a section during the first phase, and
|
allocate space in the global offset table or procedure linkage
|
allocate space in the global offset table or procedure linkage
|
table. */
|
table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_check_relocs (bfd *abfd,
|
ppc_elf_check_relocs (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
asection *sec,
|
asection *sec,
|
const Elf_Internal_Rela *relocs)
|
const Elf_Internal_Rela *relocs)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel_end;
|
const Elf_Internal_Rela *rel_end;
|
asection *got2, *sreloc;
|
asection *got2, *sreloc;
|
struct elf_link_hash_entry *tga;
|
struct elf_link_hash_entry *tga;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
/* Don't do anything special with non-loaded, non-alloced sections.
|
/* Don't do anything special with non-loaded, non-alloced sections.
|
In particular, any relocs in such sections should not affect GOT
|
In particular, any relocs in such sections should not affect GOT
|
and PLT reference counting (ie. we don't allow them to create GOT
|
and PLT reference counting (ie. we don't allow them to create GOT
|
or PLT entries), there's no possibility or desire to optimize TLS
|
or PLT entries), there's no possibility or desire to optimize TLS
|
relocs, and there's not much point in propagating relocs to shared
|
relocs, and there's not much point in propagating relocs to shared
|
libs that the dynamic linker won't relocate. */
|
libs that the dynamic linker won't relocate. */
|
if ((sec->flags & SEC_ALLOC) == 0)
|
if ((sec->flags & SEC_ALLOC) == 0)
|
return TRUE;
|
return TRUE;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
_bfd_error_handler ("ppc_elf_check_relocs called for section %A in %B",
|
_bfd_error_handler ("ppc_elf_check_relocs called for section %A in %B",
|
sec, abfd);
|
sec, abfd);
|
#endif
|
#endif
|
|
|
BFD_ASSERT (is_ppc_elf (abfd));
|
BFD_ASSERT (is_ppc_elf (abfd));
|
|
|
/* Initialize howto table if not already done. */
|
/* Initialize howto table if not already done. */
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
ppc_elf_howto_init ();
|
ppc_elf_howto_init ();
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
if (htab->glink == NULL)
|
if (htab->glink == NULL)
|
{
|
{
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
if (!ppc_elf_create_glink (htab->elf.dynobj, info))
|
if (!ppc_elf_create_glink (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
tga = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
|
tga = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
sreloc = NULL;
|
sreloc = NULL;
|
|
|
rel_end = relocs + sec->reloc_count;
|
rel_end = relocs + sec->reloc_count;
|
for (rel = relocs; rel < rel_end; rel++)
|
for (rel = relocs; rel < rel_end; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
enum elf_ppc_reloc_type r_type;
|
enum elf_ppc_reloc_type r_type;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
int tls_type;
|
int tls_type;
|
struct plt_entry **ifunc;
|
struct plt_entry **ifunc;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
h = NULL;
|
h = NULL;
|
else
|
else
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
/* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
|
/* If a relocation refers to _GLOBAL_OFFSET_TABLE_, create the .got.
|
This shows up in particular in an R_PPC_ADDR32 in the eabi
|
This shows up in particular in an R_PPC_ADDR32 in the eabi
|
startup code. */
|
startup code. */
|
if (h != NULL
|
if (h != NULL
|
&& htab->got == NULL
|
&& htab->got == NULL
|
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
|
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
|
{
|
{
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
if (!ppc_elf_create_got (htab->elf.dynobj, info))
|
if (!ppc_elf_create_got (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
BFD_ASSERT (h == htab->elf.hgot);
|
BFD_ASSERT (h == htab->elf.hgot);
|
}
|
}
|
|
|
tls_type = 0;
|
tls_type = 0;
|
ifunc = NULL;
|
ifunc = NULL;
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
if (!htab->is_vxworks)
|
if (!htab->is_vxworks)
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->type == STT_GNU_IFUNC)
|
if (h->type == STT_GNU_IFUNC)
|
ifunc = &h->plt.plist;
|
ifunc = &h->plt.plist;
|
}
|
}
|
else
|
else
|
{
|
{
|
Elf_Internal_Sym *isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
Elf_Internal_Sym *isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
abfd, r_symndx);
|
abfd, r_symndx);
|
if (isym == NULL)
|
if (isym == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC
|
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC
|
&& (!info->shared
|
&& (!info->shared
|
|| is_branch_reloc (r_type)))
|
|| is_branch_reloc (r_type)))
|
{
|
{
|
bfd_vma addend;
|
bfd_vma addend;
|
|
|
ifunc = update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
ifunc = update_local_sym_info (abfd, symtab_hdr, r_symndx,
|
PLT_IFUNC);
|
PLT_IFUNC);
|
if (ifunc == NULL)
|
if (ifunc == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
/* STT_GNU_IFUNC symbols must have a PLT entry;
|
/* STT_GNU_IFUNC symbols must have a PLT entry;
|
In a non-pie executable even when there are
|
In a non-pie executable even when there are
|
no plt calls. */
|
no plt calls. */
|
addend = 0;
|
addend = 0;
|
if (r_type == R_PPC_PLTREL24)
|
if (r_type == R_PPC_PLTREL24)
|
{
|
{
|
ppc_elf_tdata (abfd)->makes_plt_call = 1;
|
ppc_elf_tdata (abfd)->makes_plt_call = 1;
|
if (info->shared)
|
if (info->shared)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
}
|
}
|
if (!update_plt_info (abfd, ifunc, got2, addend))
|
if (!update_plt_info (abfd, ifunc, got2, addend))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (!htab->is_vxworks
|
if (!htab->is_vxworks
|
&& is_branch_reloc (r_type)
|
&& is_branch_reloc (r_type)
|
&& h != NULL
|
&& h != NULL
|
&& h == tga)
|
&& h == tga)
|
{
|
{
|
if (rel != relocs
|
if (rel != relocs
|
&& (ELF32_R_TYPE (rel[-1].r_info) == R_PPC_TLSGD
|
&& (ELF32_R_TYPE (rel[-1].r_info) == R_PPC_TLSGD
|
|| ELF32_R_TYPE (rel[-1].r_info) == R_PPC_TLSLD))
|
|| ELF32_R_TYPE (rel[-1].r_info) == R_PPC_TLSLD))
|
/* We have a new-style __tls_get_addr call with a marker
|
/* We have a new-style __tls_get_addr call with a marker
|
reloc. */
|
reloc. */
|
;
|
;
|
else
|
else
|
/* Mark this section as having an old-style call. */
|
/* Mark this section as having an old-style call. */
|
sec->has_tls_get_addr_call = 1;
|
sec->has_tls_get_addr_call = 1;
|
}
|
}
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC_TLSGD:
|
case R_PPC_TLSGD:
|
case R_PPC_TLSLD:
|
case R_PPC_TLSLD:
|
/* These special tls relocs tie a call to __tls_get_addr with
|
/* These special tls relocs tie a call to __tls_get_addr with
|
its parameter symbol. */
|
its parameter symbol. */
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
if (!info->executable)
|
if (!info->executable)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
goto dogottls;
|
goto dogottls;
|
|
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HA:
|
case R_PPC_GOT_DTPREL16_HA:
|
tls_type = TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_TLS | TLS_DTPREL;
|
dogottls:
|
dogottls:
|
sec->has_tls_reloc = 1;
|
sec->has_tls_reloc = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
/* GOT16 relocations */
|
/* GOT16 relocations */
|
case R_PPC_GOT16:
|
case R_PPC_GOT16:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HA:
|
case R_PPC_GOT16_HA:
|
/* This symbol requires a global offset table entry. */
|
/* This symbol requires a global offset table entry. */
|
if (htab->got == NULL)
|
if (htab->got == NULL)
|
{
|
{
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
if (!ppc_elf_create_got (htab->elf.dynobj, info))
|
if (!ppc_elf_create_got (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
h->got.refcount += 1;
|
h->got.refcount += 1;
|
ppc_elf_hash_entry (h)->tls_mask |= tls_type;
|
ppc_elf_hash_entry (h)->tls_mask |= tls_type;
|
}
|
}
|
else
|
else
|
/* This is a global offset table entry for a local symbol. */
|
/* This is a global offset table entry for a local symbol. */
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type))
|
if (!update_local_sym_info (abfd, symtab_hdr, r_symndx, tls_type))
|
return FALSE;
|
return FALSE;
|
|
|
/* We may also need a plt entry if the symbol turns out to be
|
/* We may also need a plt entry if the symbol turns out to be
|
an ifunc. */
|
an ifunc. */
|
if (h != NULL && !info->shared)
|
if (h != NULL && !info->shared)
|
{
|
{
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
break;
|
break;
|
|
|
/* Indirect .sdata relocation. */
|
/* Indirect .sdata relocation. */
|
case R_PPC_EMB_SDAI16:
|
case R_PPC_EMB_SDAI16:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bad_shared_reloc (abfd, r_type);
|
bad_shared_reloc (abfd, r_type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->sdata[0].section == NULL
|
if (htab->sdata[0].section == NULL
|
&& !ppc_elf_create_linker_section (abfd, info, 0,
|
&& !ppc_elf_create_linker_section (abfd, info, 0,
|
&htab->sdata[0]))
|
&htab->sdata[0]))
|
return FALSE;
|
return FALSE;
|
if (!elf_create_pointer_linker_section (abfd, &htab->sdata[0],
|
if (!elf_create_pointer_linker_section (abfd, &htab->sdata[0],
|
h, rel))
|
h, rel))
|
return FALSE;
|
return FALSE;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
/* Indirect .sdata2 relocation. */
|
/* Indirect .sdata2 relocation. */
|
case R_PPC_EMB_SDA2I16:
|
case R_PPC_EMB_SDA2I16:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bad_shared_reloc (abfd, r_type);
|
bad_shared_reloc (abfd, r_type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->sdata[1].section == NULL
|
if (htab->sdata[1].section == NULL
|
&& !ppc_elf_create_linker_section (abfd, info, SEC_READONLY,
|
&& !ppc_elf_create_linker_section (abfd, info, SEC_READONLY,
|
&htab->sdata[1]))
|
&htab->sdata[1]))
|
return FALSE;
|
return FALSE;
|
if (!elf_create_pointer_linker_section (abfd, &htab->sdata[1],
|
if (!elf_create_pointer_linker_section (abfd, &htab->sdata[1],
|
h, rel))
|
h, rel))
|
return FALSE;
|
return FALSE;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_SDAREL16:
|
case R_PPC_SDAREL16:
|
if (htab->sdata[0].sym == NULL
|
if (htab->sdata[0].sym == NULL
|
&& !create_sdata_sym (info, &htab->sdata[0]))
|
&& !create_sdata_sym (info, &htab->sdata[0]))
|
return FALSE;
|
return FALSE;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_EMB_SDA2REL:
|
case R_PPC_EMB_SDA2REL:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bad_shared_reloc (abfd, r_type);
|
bad_shared_reloc (abfd, r_type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->sdata[1].sym == NULL
|
if (htab->sdata[1].sym == NULL
|
&& !create_sdata_sym (info, &htab->sdata[1]))
|
&& !create_sdata_sym (info, &htab->sdata[1]))
|
return FALSE;
|
return FALSE;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_EMB_SDA21:
|
case R_PPC_EMB_SDA21:
|
case R_PPC_EMB_RELSDA:
|
case R_PPC_EMB_RELSDA:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bad_shared_reloc (abfd, r_type);
|
bad_shared_reloc (abfd, r_type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->sdata[0].sym == NULL
|
if (htab->sdata[0].sym == NULL
|
&& !create_sdata_sym (info, &htab->sdata[0]))
|
&& !create_sdata_sym (info, &htab->sdata[0]))
|
return FALSE;
|
return FALSE;
|
if (htab->sdata[1].sym == NULL
|
if (htab->sdata[1].sym == NULL
|
&& !create_sdata_sym (info, &htab->sdata[1]))
|
&& !create_sdata_sym (info, &htab->sdata[1]))
|
return FALSE;
|
return FALSE;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
ppc_elf_hash_entry (h)->has_sda_refs = TRUE;
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_EMB_NADDR32:
|
case R_PPC_EMB_NADDR32:
|
case R_PPC_EMB_NADDR16:
|
case R_PPC_EMB_NADDR16:
|
case R_PPC_EMB_NADDR16_LO:
|
case R_PPC_EMB_NADDR16_LO:
|
case R_PPC_EMB_NADDR16_HI:
|
case R_PPC_EMB_NADDR16_HI:
|
case R_PPC_EMB_NADDR16_HA:
|
case R_PPC_EMB_NADDR16_HA:
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bad_shared_reloc (abfd, r_type);
|
bad_shared_reloc (abfd, r_type);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (h != NULL)
|
if (h != NULL)
|
h->non_got_ref = TRUE;
|
h->non_got_ref = TRUE;
|
break;
|
break;
|
|
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL24:
|
if (h == NULL)
|
if (h == NULL)
|
break;
|
break;
|
/* Fall through */
|
/* Fall through */
|
case R_PPC_PLT32:
|
case R_PPC_PLT32:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HA:
|
case R_PPC_PLT16_HA:
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "Reloc requires a PLT entry\n");
|
fprintf (stderr, "Reloc requires a PLT entry\n");
|
#endif
|
#endif
|
/* This symbol requires a procedure linkage table entry. We
|
/* This symbol requires a procedure linkage table entry. We
|
actually build the entry in finish_dynamic_symbol,
|
actually build the entry in finish_dynamic_symbol,
|
because this might be a case of linking PIC code without
|
because this might be a case of linking PIC code without
|
linking in any dynamic objects, in which case we don't
|
linking in any dynamic objects, in which case we don't
|
need to generate a procedure linkage table after all. */
|
need to generate a procedure linkage table after all. */
|
|
|
if (h == NULL)
|
if (h == NULL)
|
{
|
{
|
/* It does not make sense to have a procedure linkage
|
/* It does not make sense to have a procedure linkage
|
table entry for a local symbol. */
|
table entry for a local symbol. */
|
(*_bfd_error_handler) (_("%B(%A+0x%lx): %s reloc against "
|
(*_bfd_error_handler) (_("%B(%A+0x%lx): %s reloc against "
|
"local symbol"),
|
"local symbol"),
|
abfd,
|
abfd,
|
sec,
|
sec,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
ppc_elf_howto_table[r_type]->name);
|
ppc_elf_howto_table[r_type]->name);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma addend = 0;
|
bfd_vma addend = 0;
|
|
|
if (r_type == R_PPC_PLTREL24)
|
if (r_type == R_PPC_PLTREL24)
|
{
|
{
|
ppc_elf_tdata (abfd)->makes_plt_call = 1;
|
ppc_elf_tdata (abfd)->makes_plt_call = 1;
|
if (info->shared)
|
if (info->shared)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
}
|
}
|
h->needs_plt = 1;
|
h->needs_plt = 1;
|
if (!update_plt_info (abfd, &h->plt.plist, got2, addend))
|
if (!update_plt_info (abfd, &h->plt.plist, got2, addend))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
break;
|
break;
|
|
|
/* The following relocations don't need to propagate the
|
/* The following relocations don't need to propagate the
|
relocation if linking a shared object since they are
|
relocation if linking a shared object since they are
|
section relative. */
|
section relative. */
|
case R_PPC_SECTOFF:
|
case R_PPC_SECTOFF:
|
case R_PPC_SECTOFF_LO:
|
case R_PPC_SECTOFF_LO:
|
case R_PPC_SECTOFF_HI:
|
case R_PPC_SECTOFF_HI:
|
case R_PPC_SECTOFF_HA:
|
case R_PPC_SECTOFF_HA:
|
case R_PPC_DTPREL16:
|
case R_PPC_DTPREL16:
|
case R_PPC_DTPREL16_LO:
|
case R_PPC_DTPREL16_LO:
|
case R_PPC_DTPREL16_HI:
|
case R_PPC_DTPREL16_HI:
|
case R_PPC_DTPREL16_HA:
|
case R_PPC_DTPREL16_HA:
|
case R_PPC_TOC16:
|
case R_PPC_TOC16:
|
break;
|
break;
|
|
|
case R_PPC_REL16:
|
case R_PPC_REL16:
|
case R_PPC_REL16_LO:
|
case R_PPC_REL16_LO:
|
case R_PPC_REL16_HI:
|
case R_PPC_REL16_HI:
|
case R_PPC_REL16_HA:
|
case R_PPC_REL16_HA:
|
ppc_elf_tdata (abfd)->has_rel16 = 1;
|
ppc_elf_tdata (abfd)->has_rel16 = 1;
|
break;
|
break;
|
|
|
/* These are just markers. */
|
/* These are just markers. */
|
case R_PPC_TLS:
|
case R_PPC_TLS:
|
case R_PPC_EMB_MRKREF:
|
case R_PPC_EMB_MRKREF:
|
case R_PPC_NONE:
|
case R_PPC_NONE:
|
case R_PPC_max:
|
case R_PPC_max:
|
case R_PPC_RELAX:
|
case R_PPC_RELAX:
|
case R_PPC_RELAX_PLT:
|
case R_PPC_RELAX_PLT:
|
case R_PPC_RELAX_PLTREL24:
|
case R_PPC_RELAX_PLTREL24:
|
break;
|
break;
|
|
|
/* These should only appear in dynamic objects. */
|
/* These should only appear in dynamic objects. */
|
case R_PPC_COPY:
|
case R_PPC_COPY:
|
case R_PPC_GLOB_DAT:
|
case R_PPC_GLOB_DAT:
|
case R_PPC_JMP_SLOT:
|
case R_PPC_JMP_SLOT:
|
case R_PPC_RELATIVE:
|
case R_PPC_RELATIVE:
|
case R_PPC_IRELATIVE:
|
case R_PPC_IRELATIVE:
|
break;
|
break;
|
|
|
/* These aren't handled yet. We'll report an error later. */
|
/* These aren't handled yet. We'll report an error later. */
|
case R_PPC_ADDR30:
|
case R_PPC_ADDR30:
|
case R_PPC_EMB_RELSEC16:
|
case R_PPC_EMB_RELSEC16:
|
case R_PPC_EMB_RELST_LO:
|
case R_PPC_EMB_RELST_LO:
|
case R_PPC_EMB_RELST_HI:
|
case R_PPC_EMB_RELST_HI:
|
case R_PPC_EMB_RELST_HA:
|
case R_PPC_EMB_RELST_HA:
|
case R_PPC_EMB_BIT_FLD:
|
case R_PPC_EMB_BIT_FLD:
|
break;
|
break;
|
|
|
/* This refers only to functions defined in the shared library. */
|
/* This refers only to functions defined in the shared library. */
|
case R_PPC_LOCAL24PC:
|
case R_PPC_LOCAL24PC:
|
if (h != NULL && h == htab->elf.hgot && htab->plt_type == PLT_UNSET)
|
if (h != NULL && h == htab->elf.hgot && htab->plt_type == PLT_UNSET)
|
{
|
{
|
htab->plt_type = PLT_OLD;
|
htab->plt_type = PLT_OLD;
|
htab->old_bfd = abfd;
|
htab->old_bfd = abfd;
|
}
|
}
|
break;
|
break;
|
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
/* This relocation describes the C++ object vtable hierarchy.
|
Reconstruct it for later use during GC. */
|
Reconstruct it for later use during GC. */
|
case R_PPC_GNU_VTINHERIT:
|
case R_PPC_GNU_VTINHERIT:
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
/* This relocation describes which C++ vtable entries are actually
|
/* This relocation describes which C++ vtable entries are actually
|
used. Record for later use during GC. */
|
used. Record for later use during GC. */
|
case R_PPC_GNU_VTENTRY:
|
case R_PPC_GNU_VTENTRY:
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
if (h != NULL
|
if (h != NULL
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
|
/* We shouldn't really be seeing these. */
|
/* We shouldn't really be seeing these. */
|
case R_PPC_TPREL32:
|
case R_PPC_TPREL32:
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HA:
|
case R_PPC_TPREL16_HA:
|
if (!info->executable)
|
if (!info->executable)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
goto dodyn;
|
goto dodyn;
|
|
|
/* Nor these. */
|
/* Nor these. */
|
case R_PPC_DTPMOD32:
|
case R_PPC_DTPMOD32:
|
case R_PPC_DTPREL32:
|
case R_PPC_DTPREL32:
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_REL32:
|
case R_PPC_REL32:
|
if (h == NULL
|
if (h == NULL
|
&& got2 != NULL
|
&& got2 != NULL
|
&& (sec->flags & SEC_CODE) != 0
|
&& (sec->flags & SEC_CODE) != 0
|
&& info->shared
|
&& info->shared
|
&& htab->plt_type == PLT_UNSET)
|
&& htab->plt_type == PLT_UNSET)
|
{
|
{
|
/* Old -fPIC gcc code has .long LCTOC1-LCFx just before
|
/* Old -fPIC gcc code has .long LCTOC1-LCFx just before
|
the start of a function, which assembles to a REL32
|
the start of a function, which assembles to a REL32
|
reference to .got2. If we detect one of these, then
|
reference to .got2. If we detect one of these, then
|
force the old PLT layout because the linker cannot
|
force the old PLT layout because the linker cannot
|
reliably deduce the GOT pointer value needed for
|
reliably deduce the GOT pointer value needed for
|
PLT call stubs. */
|
PLT call stubs. */
|
asection *s;
|
asection *s;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
|
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
abfd, r_symndx);
|
abfd, r_symndx);
|
if (isym == NULL)
|
if (isym == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
if (s == got2)
|
if (s == got2)
|
{
|
{
|
htab->plt_type = PLT_OLD;
|
htab->plt_type = PLT_OLD;
|
htab->old_bfd = abfd;
|
htab->old_bfd = abfd;
|
}
|
}
|
}
|
}
|
if (h == NULL || h == htab->elf.hgot)
|
if (h == NULL || h == htab->elf.hgot)
|
break;
|
break;
|
/* fall through */
|
/* fall through */
|
|
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR16:
|
case R_PPC_UADDR16:
|
if (h != NULL && !info->shared)
|
if (h != NULL && !info->shared)
|
{
|
{
|
/* We may need a plt entry if the symbol turns out to be
|
/* We may need a plt entry if the symbol turns out to be
|
a function defined in a dynamic object. */
|
a function defined in a dynamic object. */
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
return FALSE;
|
return FALSE;
|
|
|
/* We may need a copy reloc too. */
|
/* We may need a copy reloc too. */
|
h->non_got_ref = 1;
|
h->non_got_ref = 1;
|
h->pointer_equality_needed = 1;
|
h->pointer_equality_needed = 1;
|
}
|
}
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
if (h == NULL)
|
if (h == NULL)
|
break;
|
break;
|
if (h == htab->elf.hgot)
|
if (h == htab->elf.hgot)
|
{
|
{
|
if (htab->plt_type == PLT_UNSET)
|
if (htab->plt_type == PLT_UNSET)
|
{
|
{
|
htab->plt_type = PLT_OLD;
|
htab->plt_type = PLT_OLD;
|
htab->old_bfd = abfd;
|
htab->old_bfd = abfd;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
/* fall through */
|
/* fall through */
|
|
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
if (h != NULL && !info->shared)
|
if (h != NULL && !info->shared)
|
{
|
{
|
/* We may need a plt entry if the symbol turns out to be
|
/* We may need a plt entry if the symbol turns out to be
|
a function defined in a dynamic object. */
|
a function defined in a dynamic object. */
|
h->needs_plt = 1;
|
h->needs_plt = 1;
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
if (!update_plt_info (abfd, &h->plt.plist, NULL, 0))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
}
|
}
|
|
|
dodyn:
|
dodyn:
|
/* If we are creating a shared library, and this is a reloc
|
/* If we are creating a shared library, and this is a reloc
|
against a global symbol, or a non PC relative reloc
|
against a global symbol, or a non PC relative reloc
|
against a local symbol, then we need to copy the reloc
|
against a local symbol, then we need to copy the reloc
|
into the shared library. However, if we are linking with
|
into the shared library. However, if we are linking with
|
-Bsymbolic, we do not need to copy a reloc against a
|
-Bsymbolic, we do not need to copy a reloc against a
|
global symbol which is defined in an object we are
|
global symbol which is defined in an object we are
|
including in the link (i.e., DEF_REGULAR is set). At
|
including in the link (i.e., DEF_REGULAR is set). At
|
this point we have not seen all the input files, so it is
|
this point we have not seen all the input files, so it is
|
possible that DEF_REGULAR is not set now but will be set
|
possible that DEF_REGULAR is not set now but will be set
|
later (it is never cleared). In case of a weak definition,
|
later (it is never cleared). In case of a weak definition,
|
DEF_REGULAR may be cleared later by a strong definition in
|
DEF_REGULAR may be cleared later by a strong definition in
|
a shared library. We account for that possibility below by
|
a shared library. We account for that possibility below by
|
storing information in the dyn_relocs field of the hash
|
storing information in the dyn_relocs field of the hash
|
table entry. A similar situation occurs when creating
|
table entry. A similar situation occurs when creating
|
shared libraries and symbol visibility changes render the
|
shared libraries and symbol visibility changes render the
|
symbol local.
|
symbol local.
|
|
|
If on the other hand, we are creating an executable, we
|
If on the other hand, we are creating an executable, we
|
may need to keep relocations for symbols satisfied by a
|
may need to keep relocations for symbols satisfied by a
|
dynamic library if we manage to avoid copy relocs for the
|
dynamic library if we manage to avoid copy relocs for the
|
symbol. */
|
symbol. */
|
if ((info->shared
|
if ((info->shared
|
&& (must_be_dyn_reloc (info, r_type)
|
&& (must_be_dyn_reloc (info, r_type)
|
|| (h != NULL
|
|| (h != NULL
|
&& (! info->symbolic
|
&& (! info->symbolic
|
|| h->root.type == bfd_link_hash_defweak
|
|| h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular))))
|
|| !h->def_regular))))
|
|| (ELIMINATE_COPY_RELOCS
|
|| (ELIMINATE_COPY_RELOCS
|
&& !info->shared
|
&& !info->shared
|
&& h != NULL
|
&& h != NULL
|
&& (h->root.type == bfd_link_hash_defweak
|
&& (h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular)))
|
|| !h->def_regular)))
|
{
|
{
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs **rel_head;
|
struct ppc_elf_dyn_relocs **rel_head;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"ppc_elf_check_relocs needs to "
|
"ppc_elf_check_relocs needs to "
|
"create relocation for %s\n",
|
"create relocation for %s\n",
|
(h && h->root.root.string
|
(h && h->root.root.string
|
? h->root.root.string : "<unknown>"));
|
? h->root.root.string : "<unknown>"));
|
#endif
|
#endif
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
|
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
(sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE);
|
(sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE);
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* If this is a global symbol, we count the number of
|
/* If this is a global symbol, we count the number of
|
relocations we need for this symbol. */
|
relocations we need for this symbol. */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
rel_head = &ppc_elf_hash_entry (h)->dyn_relocs;
|
rel_head = &ppc_elf_hash_entry (h)->dyn_relocs;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Track dynamic relocs needed for local syms too.
|
/* Track dynamic relocs needed for local syms too.
|
We really need local syms available to do this
|
We really need local syms available to do this
|
easily. Oh well. */
|
easily. Oh well. */
|
asection *s;
|
asection *s;
|
void *vpp;
|
void *vpp;
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
|
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
abfd, r_symndx);
|
abfd, r_symndx);
|
if (isym == NULL)
|
if (isym == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
if (s == NULL)
|
if (s == NULL)
|
s = sec;
|
s = sec;
|
|
|
vpp = &elf_section_data (s)->local_dynrel;
|
vpp = &elf_section_data (s)->local_dynrel;
|
rel_head = (struct ppc_elf_dyn_relocs **) vpp;
|
rel_head = (struct ppc_elf_dyn_relocs **) vpp;
|
}
|
}
|
|
|
p = *rel_head;
|
p = *rel_head;
|
if (p == NULL || p->sec != sec)
|
if (p == NULL || p->sec != sec)
|
{
|
{
|
p = bfd_alloc (htab->elf.dynobj, sizeof *p);
|
p = bfd_alloc (htab->elf.dynobj, sizeof *p);
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
p->next = *rel_head;
|
p->next = *rel_head;
|
*rel_head = p;
|
*rel_head = p;
|
p->sec = sec;
|
p->sec = sec;
|
p->count = 0;
|
p->count = 0;
|
p->pc_count = 0;
|
p->pc_count = 0;
|
}
|
}
|
|
|
p->count += 1;
|
p->count += 1;
|
if (!must_be_dyn_reloc (info, r_type))
|
if (!must_be_dyn_reloc (info, r_type))
|
p->pc_count += 1;
|
p->pc_count += 1;
|
}
|
}
|
|
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
|
/* Merge object attributes from IBFD into OBFD. Raise an error if
|
/* Merge object attributes from IBFD into OBFD. Raise an error if
|
there are conflicting attributes. */
|
there are conflicting attributes. */
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
|
ppc_elf_merge_obj_attributes (bfd *ibfd, bfd *obfd)
|
{
|
{
|
obj_attribute *in_attr, *in_attrs;
|
obj_attribute *in_attr, *in_attrs;
|
obj_attribute *out_attr, *out_attrs;
|
obj_attribute *out_attr, *out_attrs;
|
|
|
if (!elf_known_obj_attributes_proc (obfd)[0].i)
|
if (!elf_known_obj_attributes_proc (obfd)[0].i)
|
{
|
{
|
/* This is the first object. Copy the attributes. */
|
/* This is the first object. Copy the attributes. */
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
|
|
/* Use the Tag_null value to indicate the attributes have been
|
/* Use the Tag_null value to indicate the attributes have been
|
initialized. */
|
initialized. */
|
elf_known_obj_attributes_proc (obfd)[0].i = 1;
|
elf_known_obj_attributes_proc (obfd)[0].i = 1;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
|
in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
|
out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
|
out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
|
|
|
/* Check for conflicting Tag_GNU_Power_ABI_FP attributes and merge
|
/* Check for conflicting Tag_GNU_Power_ABI_FP attributes and merge
|
non-conflicting ones. */
|
non-conflicting ones. */
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_FP];
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_FP];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_FP];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_FP];
|
if (in_attr->i != out_attr->i)
|
if (in_attr->i != out_attr->i)
|
{
|
{
|
out_attr->type = 1;
|
out_attr->type = 1;
|
if (out_attr->i == 0)
|
if (out_attr->i == 0)
|
out_attr->i = in_attr->i;
|
out_attr->i = in_attr->i;
|
else if (in_attr->i == 0)
|
else if (in_attr->i == 0)
|
;
|
;
|
else if (out_attr->i == 1 && in_attr->i == 2)
|
else if (out_attr->i == 1 && in_attr->i == 2)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses hard float, %B uses soft float"), obfd, ibfd);
|
(_("Warning: %B uses hard float, %B uses soft float"), obfd, ibfd);
|
else if (out_attr->i == 1 && in_attr->i == 3)
|
else if (out_attr->i == 1 && in_attr->i == 3)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
|
(_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
|
obfd, ibfd);
|
obfd, ibfd);
|
else if (out_attr->i == 3 && in_attr->i == 1)
|
else if (out_attr->i == 3 && in_attr->i == 1)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
|
(_("Warning: %B uses double-precision hard float, %B uses single-precision hard float"),
|
ibfd, obfd);
|
ibfd, obfd);
|
else if (out_attr->i == 3 && in_attr->i == 2)
|
else if (out_attr->i == 3 && in_attr->i == 2)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses soft float, %B uses single-precision hard float"),
|
(_("Warning: %B uses soft float, %B uses single-precision hard float"),
|
ibfd, obfd);
|
ibfd, obfd);
|
else if (out_attr->i == 2 && (in_attr->i == 1 || in_attr->i == 3))
|
else if (out_attr->i == 2 && (in_attr->i == 1 || in_attr->i == 3))
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses hard float, %B uses soft float"), ibfd, obfd);
|
(_("Warning: %B uses hard float, %B uses soft float"), ibfd, obfd);
|
else if (in_attr->i > 3)
|
else if (in_attr->i > 3)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown floating point ABI %d"), ibfd,
|
(_("Warning: %B uses unknown floating point ABI %d"), ibfd,
|
in_attr->i);
|
in_attr->i);
|
else
|
else
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown floating point ABI %d"), obfd,
|
(_("Warning: %B uses unknown floating point ABI %d"), obfd,
|
out_attr->i);
|
out_attr->i);
|
}
|
}
|
|
|
/* Check for conflicting Tag_GNU_Power_ABI_Vector attributes and
|
/* Check for conflicting Tag_GNU_Power_ABI_Vector attributes and
|
merge non-conflicting ones. */
|
merge non-conflicting ones. */
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_Vector];
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_Vector];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_Vector];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_Vector];
|
if (in_attr->i != out_attr->i)
|
if (in_attr->i != out_attr->i)
|
{
|
{
|
const char *in_abi = NULL, *out_abi = NULL;
|
const char *in_abi = NULL, *out_abi = NULL;
|
|
|
switch (in_attr->i)
|
switch (in_attr->i)
|
{
|
{
|
case 1: in_abi = "generic"; break;
|
case 1: in_abi = "generic"; break;
|
case 2: in_abi = "AltiVec"; break;
|
case 2: in_abi = "AltiVec"; break;
|
case 3: in_abi = "SPE"; break;
|
case 3: in_abi = "SPE"; break;
|
}
|
}
|
|
|
switch (out_attr->i)
|
switch (out_attr->i)
|
{
|
{
|
case 1: out_abi = "generic"; break;
|
case 1: out_abi = "generic"; break;
|
case 2: out_abi = "AltiVec"; break;
|
case 2: out_abi = "AltiVec"; break;
|
case 3: out_abi = "SPE"; break;
|
case 3: out_abi = "SPE"; break;
|
}
|
}
|
|
|
out_attr->type = 1;
|
out_attr->type = 1;
|
if (out_attr->i == 0)
|
if (out_attr->i == 0)
|
out_attr->i = in_attr->i;
|
out_attr->i = in_attr->i;
|
else if (in_attr->i == 0)
|
else if (in_attr->i == 0)
|
;
|
;
|
/* For now, allow generic to transition to AltiVec or SPE
|
/* For now, allow generic to transition to AltiVec or SPE
|
without a warning. If GCC marked files with their stack
|
without a warning. If GCC marked files with their stack
|
alignment and used don't-care markings for files which are
|
alignment and used don't-care markings for files which are
|
not affected by the vector ABI, we could warn about this
|
not affected by the vector ABI, we could warn about this
|
case too. */
|
case too. */
|
else if (out_attr->i == 1)
|
else if (out_attr->i == 1)
|
out_attr->i = in_attr->i;
|
out_attr->i = in_attr->i;
|
else if (in_attr->i == 1)
|
else if (in_attr->i == 1)
|
;
|
;
|
else if (in_abi == NULL)
|
else if (in_abi == NULL)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown vector ABI %d"), ibfd,
|
(_("Warning: %B uses unknown vector ABI %d"), ibfd,
|
in_attr->i);
|
in_attr->i);
|
else if (out_abi == NULL)
|
else if (out_abi == NULL)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown vector ABI %d"), obfd,
|
(_("Warning: %B uses unknown vector ABI %d"), obfd,
|
in_attr->i);
|
in_attr->i);
|
else
|
else
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses vector ABI \"%s\", %B uses \"%s\""),
|
(_("Warning: %B uses vector ABI \"%s\", %B uses \"%s\""),
|
ibfd, obfd, in_abi, out_abi);
|
ibfd, obfd, in_abi, out_abi);
|
}
|
}
|
|
|
/* Check for conflicting Tag_GNU_Power_ABI_Struct_Return attributes
|
/* Check for conflicting Tag_GNU_Power_ABI_Struct_Return attributes
|
and merge non-conflicting ones. */
|
and merge non-conflicting ones. */
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_Struct_Return];
|
in_attr = &in_attrs[Tag_GNU_Power_ABI_Struct_Return];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_Struct_Return];
|
out_attr = &out_attrs[Tag_GNU_Power_ABI_Struct_Return];
|
if (in_attr->i != out_attr->i)
|
if (in_attr->i != out_attr->i)
|
{
|
{
|
out_attr->type = 1;
|
out_attr->type = 1;
|
if (out_attr->i == 0)
|
if (out_attr->i == 0)
|
out_attr->i = in_attr->i;
|
out_attr->i = in_attr->i;
|
else if (in_attr->i == 0)
|
else if (in_attr->i == 0)
|
;
|
;
|
else if (out_attr->i == 1 && in_attr->i == 2)
|
else if (out_attr->i == 1 && in_attr->i == 2)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), obfd, ibfd);
|
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), obfd, ibfd);
|
else if (out_attr->i == 2 && in_attr->i == 1)
|
else if (out_attr->i == 2 && in_attr->i == 1)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), ibfd, obfd);
|
(_("Warning: %B uses r3/r4 for small structure returns, %B uses memory"), ibfd, obfd);
|
else if (in_attr->i > 2)
|
else if (in_attr->i > 2)
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown small structure return convention %d"), ibfd,
|
(_("Warning: %B uses unknown small structure return convention %d"), ibfd,
|
in_attr->i);
|
in_attr->i);
|
else
|
else
|
_bfd_error_handler
|
_bfd_error_handler
|
(_("Warning: %B uses unknown small structure return convention %d"), obfd,
|
(_("Warning: %B uses unknown small structure return convention %d"), obfd,
|
out_attr->i);
|
out_attr->i);
|
}
|
}
|
|
|
/* Merge Tag_compatibility attributes and any common GNU ones. */
|
/* Merge Tag_compatibility attributes and any common GNU ones. */
|
_bfd_elf_merge_object_attributes (ibfd, obfd);
|
_bfd_elf_merge_object_attributes (ibfd, obfd);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Merge backend specific data from an object file to the output
|
/* Merge backend specific data from an object file to the output
|
object file when linking. */
|
object file when linking. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
ppc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
{
|
{
|
flagword old_flags;
|
flagword old_flags;
|
flagword new_flags;
|
flagword new_flags;
|
bfd_boolean error;
|
bfd_boolean error;
|
|
|
if (!is_ppc_elf (ibfd) || !is_ppc_elf (obfd))
|
if (!is_ppc_elf (ibfd) || !is_ppc_elf (obfd))
|
return TRUE;
|
return TRUE;
|
|
|
/* Check if we have the same endianess. */
|
/* Check if we have the same endianess. */
|
if (! _bfd_generic_verify_endian_match (ibfd, obfd))
|
if (! _bfd_generic_verify_endian_match (ibfd, obfd))
|
return FALSE;
|
return FALSE;
|
|
|
if (!ppc_elf_merge_obj_attributes (ibfd, obfd))
|
if (!ppc_elf_merge_obj_attributes (ibfd, obfd))
|
return FALSE;
|
return FALSE;
|
|
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
if (!elf_flags_init (obfd))
|
if (!elf_flags_init (obfd))
|
{
|
{
|
/* First call, no flags set. */
|
/* First call, no flags set. */
|
elf_flags_init (obfd) = TRUE;
|
elf_flags_init (obfd) = TRUE;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
}
|
}
|
|
|
/* Compatible flags are ok. */
|
/* Compatible flags are ok. */
|
else if (new_flags == old_flags)
|
else if (new_flags == old_flags)
|
;
|
;
|
|
|
/* Incompatible flags. */
|
/* Incompatible flags. */
|
else
|
else
|
{
|
{
|
/* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib
|
/* Warn about -mrelocatable mismatch. Allow -mrelocatable-lib
|
to be linked with either. */
|
to be linked with either. */
|
error = FALSE;
|
error = FALSE;
|
if ((new_flags & EF_PPC_RELOCATABLE) != 0
|
if ((new_flags & EF_PPC_RELOCATABLE) != 0
|
&& (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
|
&& (old_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0)
|
{
|
{
|
error = TRUE;
|
error = TRUE;
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: compiled with -mrelocatable and linked with "
|
(_("%B: compiled with -mrelocatable and linked with "
|
"modules compiled normally"), ibfd);
|
"modules compiled normally"), ibfd);
|
}
|
}
|
else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
|
else if ((new_flags & (EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB)) == 0
|
&& (old_flags & EF_PPC_RELOCATABLE) != 0)
|
&& (old_flags & EF_PPC_RELOCATABLE) != 0)
|
{
|
{
|
error = TRUE;
|
error = TRUE;
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: compiled normally and linked with "
|
(_("%B: compiled normally and linked with "
|
"modules compiled with -mrelocatable"), ibfd);
|
"modules compiled with -mrelocatable"), ibfd);
|
}
|
}
|
|
|
/* The output is -mrelocatable-lib iff both the input files are. */
|
/* The output is -mrelocatable-lib iff both the input files are. */
|
if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
|
if (! (new_flags & EF_PPC_RELOCATABLE_LIB))
|
elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
|
elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
|
|
|
/* The output is -mrelocatable iff it can't be -mrelocatable-lib,
|
/* The output is -mrelocatable iff it can't be -mrelocatable-lib,
|
but each input file is either -mrelocatable or -mrelocatable-lib. */
|
but each input file is either -mrelocatable or -mrelocatable-lib. */
|
if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
|
if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
|
&& (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
|
&& (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
|
&& (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
|
&& (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
|
elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;
|
elf_elfheader (obfd)->e_flags |= EF_PPC_RELOCATABLE;
|
|
|
/* Do not warn about eabi vs. V.4 mismatch, just or in the bit if
|
/* Do not warn about eabi vs. V.4 mismatch, just or in the bit if
|
any module uses it. */
|
any module uses it. */
|
elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
|
elf_elfheader (obfd)->e_flags |= (new_flags & EF_PPC_EMB);
|
|
|
new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
|
new_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
|
old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
|
old_flags &= ~(EF_PPC_RELOCATABLE | EF_PPC_RELOCATABLE_LIB | EF_PPC_EMB);
|
|
|
/* Warn about any other mismatches. */
|
/* Warn about any other mismatches. */
|
if (new_flags != old_flags)
|
if (new_flags != old_flags)
|
{
|
{
|
error = TRUE;
|
error = TRUE;
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: uses different e_flags (0x%lx) fields "
|
(_("%B: uses different e_flags (0x%lx) fields "
|
"than previous modules (0x%lx)"),
|
"than previous modules (0x%lx)"),
|
ibfd, (long) new_flags, (long) old_flags);
|
ibfd, (long) new_flags, (long) old_flags);
|
}
|
}
|
|
|
if (error)
|
if (error)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Choose which PLT scheme to use, and set .plt flags appropriately.
|
/* Choose which PLT scheme to use, and set .plt flags appropriately.
|
Returns -1 on error, 0 for old PLT, 1 for new PLT. */
|
Returns -1 on error, 0 for old PLT, 1 for new PLT. */
|
int
|
int
|
ppc_elf_select_plt_layout (bfd *output_bfd ATTRIBUTE_UNUSED,
|
ppc_elf_select_plt_layout (bfd *output_bfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
enum ppc_elf_plt_type plt_style,
|
enum ppc_elf_plt_type plt_style,
|
int emit_stub_syms)
|
int emit_stub_syms)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
flagword flags;
|
flagword flags;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
|
|
htab->emit_stub_syms = emit_stub_syms;
|
htab->emit_stub_syms = emit_stub_syms;
|
|
|
if (htab->plt_type == PLT_UNSET)
|
if (htab->plt_type == PLT_UNSET)
|
{
|
{
|
if (plt_style == PLT_OLD)
|
if (plt_style == PLT_OLD)
|
htab->plt_type = PLT_OLD;
|
htab->plt_type = PLT_OLD;
|
else
|
else
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
enum ppc_elf_plt_type plt_type = plt_style;
|
enum ppc_elf_plt_type plt_type = plt_style;
|
|
|
/* Look through the reloc flags left by ppc_elf_check_relocs.
|
/* Look through the reloc flags left by ppc_elf_check_relocs.
|
Use the old style bss plt if a file makes plt calls
|
Use the old style bss plt if a file makes plt calls
|
without using the new relocs, and if ld isn't given
|
without using the new relocs, and if ld isn't given
|
--secure-plt and we never see REL16 relocs. */
|
--secure-plt and we never see REL16 relocs. */
|
if (plt_type == PLT_UNSET)
|
if (plt_type == PLT_UNSET)
|
plt_type = PLT_OLD;
|
plt_type = PLT_OLD;
|
for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link_next)
|
if (is_ppc_elf (ibfd))
|
if (is_ppc_elf (ibfd))
|
{
|
{
|
if (ppc_elf_tdata (ibfd)->has_rel16)
|
if (ppc_elf_tdata (ibfd)->has_rel16)
|
plt_type = PLT_NEW;
|
plt_type = PLT_NEW;
|
else if (ppc_elf_tdata (ibfd)->makes_plt_call)
|
else if (ppc_elf_tdata (ibfd)->makes_plt_call)
|
{
|
{
|
plt_type = PLT_OLD;
|
plt_type = PLT_OLD;
|
htab->old_bfd = ibfd;
|
htab->old_bfd = ibfd;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
htab->plt_type = plt_type;
|
htab->plt_type = plt_type;
|
}
|
}
|
}
|
}
|
if (htab->plt_type == PLT_OLD && plt_style == PLT_NEW)
|
if (htab->plt_type == PLT_OLD && plt_style == PLT_NEW)
|
info->callbacks->info (_("Using bss-plt due to %B"), htab->old_bfd);
|
info->callbacks->info (_("Using bss-plt due to %B"), htab->old_bfd);
|
|
|
BFD_ASSERT (htab->plt_type != PLT_VXWORKS);
|
BFD_ASSERT (htab->plt_type != PLT_VXWORKS);
|
|
|
if (htab->plt_type == PLT_NEW)
|
if (htab->plt_type == PLT_NEW)
|
{
|
{
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
|
|
/* The new PLT is a loaded section. */
|
/* The new PLT is a loaded section. */
|
if (htab->plt != NULL
|
if (htab->plt != NULL
|
&& !bfd_set_section_flags (htab->elf.dynobj, htab->plt, flags))
|
&& !bfd_set_section_flags (htab->elf.dynobj, htab->plt, flags))
|
return -1;
|
return -1;
|
|
|
/* The new GOT is not executable. */
|
/* The new GOT is not executable. */
|
if (htab->got != NULL
|
if (htab->got != NULL
|
&& !bfd_set_section_flags (htab->elf.dynobj, htab->got, flags))
|
&& !bfd_set_section_flags (htab->elf.dynobj, htab->got, flags))
|
return -1;
|
return -1;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Stop an unused .glink section from affecting .text alignment. */
|
/* Stop an unused .glink section from affecting .text alignment. */
|
if (htab->glink != NULL
|
if (htab->glink != NULL
|
&& !bfd_set_section_alignment (htab->elf.dynobj, htab->glink, 0))
|
&& !bfd_set_section_alignment (htab->elf.dynobj, htab->glink, 0))
|
return -1;
|
return -1;
|
}
|
}
|
return htab->plt_type == PLT_NEW;
|
return htab->plt_type == PLT_NEW;
|
}
|
}
|
|
|
/* Return the section that should be marked against GC for a given
|
/* Return the section that should be marked against GC for a given
|
relocation. */
|
relocation. */
|
|
|
static asection *
|
static asection *
|
ppc_elf_gc_mark_hook (asection *sec,
|
ppc_elf_gc_mark_hook (asection *sec,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
Elf_Internal_Rela *rel,
|
Elf_Internal_Rela *rel,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
Elf_Internal_Sym *sym)
|
Elf_Internal_Sym *sym)
|
{
|
{
|
if (h != NULL)
|
if (h != NULL)
|
switch (ELF32_R_TYPE (rel->r_info))
|
switch (ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
case R_PPC_GNU_VTINHERIT:
|
case R_PPC_GNU_VTINHERIT:
|
case R_PPC_GNU_VTENTRY:
|
case R_PPC_GNU_VTENTRY:
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
}
|
}
|
|
|
/* Update the got, plt and dynamic reloc reference counts for the
|
/* Update the got, plt and dynamic reloc reference counts for the
|
section being removed. */
|
section being removed. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_gc_sweep_hook (bfd *abfd,
|
ppc_elf_gc_sweep_hook (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
asection *sec,
|
asection *sec,
|
const Elf_Internal_Rela *relocs)
|
const Elf_Internal_Rela *relocs)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
bfd_signed_vma *local_got_refcounts;
|
bfd_signed_vma *local_got_refcounts;
|
const Elf_Internal_Rela *rel, *relend;
|
const Elf_Internal_Rela *rel, *relend;
|
asection *got2;
|
asection *got2;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
if ((sec->flags & SEC_ALLOC) == 0)
|
if ((sec->flags & SEC_ALLOC) == 0)
|
return TRUE;
|
return TRUE;
|
|
|
elf_section_data (sec)->local_dynrel = NULL;
|
elf_section_data (sec)->local_dynrel = NULL;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
local_got_refcounts = elf_local_got_refcounts (abfd);
|
local_got_refcounts = elf_local_got_refcounts (abfd);
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
|
|
relend = relocs + sec->reloc_count;
|
relend = relocs + sec->reloc_count;
|
for (rel = relocs; rel < relend; rel++)
|
for (rel = relocs; rel < relend; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
enum elf_ppc_reloc_type r_type;
|
enum elf_ppc_reloc_type r_type;
|
struct elf_link_hash_entry *h = NULL;
|
struct elf_link_hash_entry *h = NULL;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct ppc_elf_dyn_relocs **pp, *p;
|
struct ppc_elf_dyn_relocs **pp, *p;
|
struct ppc_elf_link_hash_entry *eh;
|
struct ppc_elf_link_hash_entry *eh;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
|
if (p->sec == sec)
|
if (p->sec == sec)
|
{
|
{
|
/* Everything must go for SEC. */
|
/* Everything must go for SEC. */
|
*pp = p->next;
|
*pp = p->next;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
if (!htab->is_vxworks
|
if (!htab->is_vxworks
|
&& h == NULL
|
&& h == NULL
|
&& local_got_refcounts != NULL
|
&& local_got_refcounts != NULL
|
&& (!info->shared
|
&& (!info->shared
|
|| is_branch_reloc (r_type)))
|
|| is_branch_reloc (r_type)))
|
{
|
{
|
struct plt_entry **local_plt = (struct plt_entry **)
|
struct plt_entry **local_plt = (struct plt_entry **)
|
(local_got_refcounts + symtab_hdr->sh_info);
|
(local_got_refcounts + symtab_hdr->sh_info);
|
char *local_got_tls_masks = (char *)
|
char *local_got_tls_masks = (char *)
|
(local_plt + symtab_hdr->sh_info);
|
(local_plt + symtab_hdr->sh_info);
|
if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
|
if ((local_got_tls_masks[r_symndx] & PLT_IFUNC) != 0)
|
{
|
{
|
struct plt_entry **ifunc = local_plt + r_symndx;
|
struct plt_entry **ifunc = local_plt + r_symndx;
|
bfd_vma addend = 0;
|
bfd_vma addend = 0;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
ent = find_plt_ent (ifunc, got2, addend);
|
ent = find_plt_ent (ifunc, got2, addend);
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HA:
|
case R_PPC_GOT_DTPREL16_HA:
|
case R_PPC_GOT16:
|
case R_PPC_GOT16:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HA:
|
case R_PPC_GOT16_HA:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->got.refcount > 0)
|
if (h->got.refcount > 0)
|
h->got.refcount--;
|
h->got.refcount--;
|
if (!info->shared)
|
if (!info->shared)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
ent = find_plt_ent (&h->plt.plist, NULL, 0);
|
ent = find_plt_ent (&h->plt.plist, NULL, 0);
|
if (ent != NULL && ent->plt.refcount > 0)
|
if (ent != NULL && ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
}
|
}
|
}
|
}
|
else if (local_got_refcounts != NULL)
|
else if (local_got_refcounts != NULL)
|
{
|
{
|
if (local_got_refcounts[r_symndx] > 0)
|
if (local_got_refcounts[r_symndx] > 0)
|
local_got_refcounts[r_symndx]--;
|
local_got_refcounts[r_symndx]--;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL32:
|
case R_PPC_REL32:
|
if (h == NULL || h == htab->elf.hgot)
|
if (h == NULL || h == htab->elf.hgot)
|
break;
|
break;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR16:
|
case R_PPC_UADDR16:
|
if (info->shared)
|
if (info->shared)
|
break;
|
break;
|
|
|
case R_PPC_PLT32:
|
case R_PPC_PLT32:
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HA:
|
case R_PPC_PLT16_HA:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
bfd_vma addend = 0;
|
bfd_vma addend = 0;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
ent = find_plt_ent (&h->plt.plist, got2, addend);
|
ent = find_plt_ent (&h->plt.plist, got2, addend);
|
if (ent != NULL && ent->plt.refcount > 0)
|
if (ent != NULL && ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
}
|
}
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set plt output section type, htab->tls_get_addr, and call the
|
/* Set plt output section type, htab->tls_get_addr, and call the
|
generic ELF tls_setup function. */
|
generic ELF tls_setup function. */
|
|
|
asection *
|
asection *
|
ppc_elf_tls_setup (bfd *obfd,
|
ppc_elf_tls_setup (bfd *obfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
int no_tls_get_addr_opt)
|
int no_tls_get_addr_opt)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
|
htab->tls_get_addr = elf_link_hash_lookup (&htab->elf, "__tls_get_addr",
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
if (!no_tls_get_addr_opt)
|
if (!no_tls_get_addr_opt)
|
{
|
{
|
struct elf_link_hash_entry *opt, *tga;
|
struct elf_link_hash_entry *opt, *tga;
|
opt = elf_link_hash_lookup (&htab->elf, "__tls_get_addr_opt",
|
opt = elf_link_hash_lookup (&htab->elf, "__tls_get_addr_opt",
|
FALSE, FALSE, TRUE);
|
FALSE, FALSE, TRUE);
|
if (opt != NULL
|
if (opt != NULL
|
&& (opt->root.type == bfd_link_hash_defined
|
&& (opt->root.type == bfd_link_hash_defined
|
|| opt->root.type == bfd_link_hash_defweak))
|
|| opt->root.type == bfd_link_hash_defweak))
|
{
|
{
|
/* If glibc supports an optimized __tls_get_addr call stub,
|
/* If glibc supports an optimized __tls_get_addr call stub,
|
signalled by the presence of __tls_get_addr_opt, and we'll
|
signalled by the presence of __tls_get_addr_opt, and we'll
|
be calling __tls_get_addr via a plt call stub, then
|
be calling __tls_get_addr via a plt call stub, then
|
make __tls_get_addr point to __tls_get_addr_opt. */
|
make __tls_get_addr point to __tls_get_addr_opt. */
|
tga = htab->tls_get_addr;
|
tga = htab->tls_get_addr;
|
if (htab->elf.dynamic_sections_created
|
if (htab->elf.dynamic_sections_created
|
&& tga != NULL
|
&& tga != NULL
|
&& (tga->type == STT_FUNC
|
&& (tga->type == STT_FUNC
|
|| tga->needs_plt)
|
|| tga->needs_plt)
|
&& !(SYMBOL_CALLS_LOCAL (info, tga)
|
&& !(SYMBOL_CALLS_LOCAL (info, tga)
|
|| (ELF_ST_VISIBILITY (tga->other) != STV_DEFAULT
|
|| (ELF_ST_VISIBILITY (tga->other) != STV_DEFAULT
|
&& tga->root.type == bfd_link_hash_undefweak)))
|
&& tga->root.type == bfd_link_hash_undefweak)))
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = tga->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = tga->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
break;
|
break;
|
if (ent != NULL)
|
if (ent != NULL)
|
{
|
{
|
tga->root.type = bfd_link_hash_indirect;
|
tga->root.type = bfd_link_hash_indirect;
|
tga->root.u.i.link = &opt->root;
|
tga->root.u.i.link = &opt->root;
|
ppc_elf_copy_indirect_symbol (info, opt, tga);
|
ppc_elf_copy_indirect_symbol (info, opt, tga);
|
if (opt->dynindx != -1)
|
if (opt->dynindx != -1)
|
{
|
{
|
/* Use __tls_get_addr_opt in dynamic relocations. */
|
/* Use __tls_get_addr_opt in dynamic relocations. */
|
opt->dynindx = -1;
|
opt->dynindx = -1;
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
_bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
|
opt->dynstr_index);
|
opt->dynstr_index);
|
if (!bfd_elf_link_record_dynamic_symbol (info, opt))
|
if (!bfd_elf_link_record_dynamic_symbol (info, opt))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
htab->tls_get_addr = opt;
|
htab->tls_get_addr = opt;
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
no_tls_get_addr_opt = TRUE;
|
no_tls_get_addr_opt = TRUE;
|
}
|
}
|
htab->no_tls_get_addr_opt = no_tls_get_addr_opt;
|
htab->no_tls_get_addr_opt = no_tls_get_addr_opt;
|
if (htab->plt_type == PLT_NEW
|
if (htab->plt_type == PLT_NEW
|
&& htab->plt != NULL
|
&& htab->plt != NULL
|
&& htab->plt->output_section != NULL)
|
&& htab->plt->output_section != NULL)
|
{
|
{
|
elf_section_type (htab->plt->output_section) = SHT_PROGBITS;
|
elf_section_type (htab->plt->output_section) = SHT_PROGBITS;
|
elf_section_flags (htab->plt->output_section) = SHF_ALLOC + SHF_WRITE;
|
elf_section_flags (htab->plt->output_section) = SHF_ALLOC + SHF_WRITE;
|
}
|
}
|
|
|
return _bfd_elf_tls_setup (obfd, info);
|
return _bfd_elf_tls_setup (obfd, info);
|
}
|
}
|
|
|
/* Return TRUE iff REL is a branch reloc with a global symbol matching
|
/* Return TRUE iff REL is a branch reloc with a global symbol matching
|
HASH. */
|
HASH. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
branch_reloc_hash_match (const bfd *ibfd,
|
branch_reloc_hash_match (const bfd *ibfd,
|
const Elf_Internal_Rela *rel,
|
const Elf_Internal_Rela *rel,
|
const struct elf_link_hash_entry *hash)
|
const struct elf_link_hash_entry *hash)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
enum elf_ppc_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
|
enum elf_ppc_reloc_type r_type = ELF32_R_TYPE (rel->r_info);
|
unsigned int r_symndx = ELF32_R_SYM (rel->r_info);
|
unsigned int r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
if (r_symndx >= symtab_hdr->sh_info && is_branch_reloc (r_type))
|
if (r_symndx >= symtab_hdr->sh_info && is_branch_reloc (r_type))
|
{
|
{
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
if (h == hash)
|
if (h == hash)
|
return TRUE;
|
return TRUE;
|
}
|
}
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Run through all the TLS relocs looking for optimization
|
/* Run through all the TLS relocs looking for optimization
|
opportunities. */
|
opportunities. */
|
|
|
bfd_boolean
|
bfd_boolean
|
ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED,
|
ppc_elf_tls_optimize (bfd *obfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
bfd *ibfd;
|
bfd *ibfd;
|
asection *sec;
|
asection *sec;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
int pass;
|
int pass;
|
|
|
if (info->relocatable || !info->executable)
|
if (info->relocatable || !info->executable)
|
return TRUE;
|
return TRUE;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
/* Make two passes through the relocs. First time check that tls
|
/* Make two passes through the relocs. First time check that tls
|
relocs involved in setting up a tls_get_addr call are indeed
|
relocs involved in setting up a tls_get_addr call are indeed
|
followed by such a call. If they are not, exclude them from
|
followed by such a call. If they are not, exclude them from
|
the optimizations done on the second pass. */
|
the optimizations done on the second pass. */
|
for (pass = 0; pass < 2; ++pass)
|
for (pass = 0; pass < 2; ++pass)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
Elf_Internal_Sym *locsyms = NULL;
|
Elf_Internal_Sym *locsyms = NULL;
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
Elf_Internal_Shdr *symtab_hdr = &elf_symtab_hdr (ibfd);
|
asection *got2 = bfd_get_section_by_name (ibfd, ".got2");
|
asection *got2 = bfd_get_section_by_name (ibfd, ".got2");
|
|
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
|
if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
|
if (sec->has_tls_reloc && !bfd_is_abs_section (sec->output_section))
|
{
|
{
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
Elf_Internal_Rela *relstart, *rel, *relend;
|
|
|
/* Read the relocations. */
|
/* Read the relocations. */
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
relstart = _bfd_elf_link_read_relocs (ibfd, sec, NULL, NULL,
|
info->keep_memory);
|
info->keep_memory);
|
if (relstart == NULL)
|
if (relstart == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
relend = relstart + sec->reloc_count;
|
relend = relstart + sec->reloc_count;
|
for (rel = relstart; rel < relend; rel++)
|
for (rel = relstart; rel < relend; rel++)
|
{
|
{
|
enum elf_ppc_reloc_type r_type;
|
enum elf_ppc_reloc_type r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h = NULL;
|
struct elf_link_hash_entry *h = NULL;
|
char *tls_mask;
|
char *tls_mask;
|
char tls_set, tls_clear;
|
char tls_set, tls_clear;
|
bfd_boolean is_local;
|
bfd_boolean is_local;
|
int expecting_tls_get_addr;
|
int expecting_tls_get_addr;
|
bfd_signed_vma *got_count;
|
bfd_signed_vma *got_count;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
|
|
sym_hashes = elf_sym_hashes (ibfd);
|
sym_hashes = elf_sym_hashes (ibfd);
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
expecting_tls_get_addr = 0;
|
expecting_tls_get_addr = 0;
|
is_local = FALSE;
|
is_local = FALSE;
|
if (h == NULL
|
if (h == NULL
|
|| !h->def_dynamic)
|
|| !h->def_dynamic)
|
is_local = TRUE;
|
is_local = TRUE;
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_LO:
|
expecting_tls_get_addr = 1;
|
expecting_tls_get_addr = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
/* These relocs should never be against a symbol
|
/* These relocs should never be against a symbol
|
defined in a shared lib. Leave them alone if
|
defined in a shared lib. Leave them alone if
|
that turns out to be the case. */
|
that turns out to be the case. */
|
if (!is_local)
|
if (!is_local)
|
continue;
|
continue;
|
|
|
/* LD -> LE */
|
/* LD -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = TLS_LD;
|
tls_clear = TLS_LD;
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_LO:
|
expecting_tls_get_addr = 1;
|
expecting_tls_get_addr = 1;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
if (is_local)
|
if (is_local)
|
/* GD -> LE */
|
/* GD -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
else
|
else
|
/* GD -> IE */
|
/* GD -> IE */
|
tls_set = TLS_TLS | TLS_TPRELGD;
|
tls_set = TLS_TLS | TLS_TPRELGD;
|
tls_clear = TLS_GD;
|
tls_clear = TLS_GD;
|
break;
|
break;
|
|
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
if (is_local)
|
if (is_local)
|
{
|
{
|
/* IE -> LE */
|
/* IE -> LE */
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = TLS_TPREL;
|
tls_clear = TLS_TPREL;
|
break;
|
break;
|
}
|
}
|
else
|
else
|
continue;
|
continue;
|
|
|
case R_PPC_TLSGD:
|
case R_PPC_TLSGD:
|
case R_PPC_TLSLD:
|
case R_PPC_TLSLD:
|
expecting_tls_get_addr = 2;
|
expecting_tls_get_addr = 2;
|
tls_set = 0;
|
tls_set = 0;
|
tls_clear = 0;
|
tls_clear = 0;
|
break;
|
break;
|
|
|
default:
|
default:
|
continue;
|
continue;
|
}
|
}
|
|
|
if (pass == 0)
|
if (pass == 0)
|
{
|
{
|
if (!expecting_tls_get_addr
|
if (!expecting_tls_get_addr
|
|| (expecting_tls_get_addr == 1
|
|| (expecting_tls_get_addr == 1
|
&& !sec->has_tls_get_addr_call))
|
&& !sec->has_tls_get_addr_call))
|
continue;
|
continue;
|
|
|
if (rel + 1 < relend
|
if (rel + 1 < relend
|
&& branch_reloc_hash_match (ibfd, rel + 1,
|
&& branch_reloc_hash_match (ibfd, rel + 1,
|
htab->tls_get_addr))
|
htab->tls_get_addr))
|
continue;
|
continue;
|
|
|
/* Uh oh, we didn't find the expected call. We
|
/* Uh oh, we didn't find the expected call. We
|
could just mark this symbol to exclude it
|
could just mark this symbol to exclude it
|
from tls optimization but it's safer to skip
|
from tls optimization but it's safer to skip
|
the entire section. */
|
the entire section. */
|
sec->has_tls_reloc = 0;
|
sec->has_tls_reloc = 0;
|
break;
|
break;
|
}
|
}
|
|
|
if (expecting_tls_get_addr)
|
if (expecting_tls_get_addr)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_vma addend = 0;
|
bfd_vma addend = 0;
|
|
|
if (info->shared
|
if (info->shared
|
&& ELF32_R_TYPE (rel[1].r_info) == R_PPC_PLTREL24)
|
&& ELF32_R_TYPE (rel[1].r_info) == R_PPC_PLTREL24)
|
addend = rel[1].r_addend;
|
addend = rel[1].r_addend;
|
ent = find_plt_ent (&htab->tls_get_addr->plt.plist,
|
ent = find_plt_ent (&htab->tls_get_addr->plt.plist,
|
got2, addend);
|
got2, addend);
|
if (ent != NULL && ent->plt.refcount > 0)
|
if (ent != NULL && ent->plt.refcount > 0)
|
ent->plt.refcount -= 1;
|
ent->plt.refcount -= 1;
|
|
|
if (expecting_tls_get_addr == 2)
|
if (expecting_tls_get_addr == 2)
|
continue;
|
continue;
|
}
|
}
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
|
tls_mask = &ppc_elf_hash_entry (h)->tls_mask;
|
got_count = &h->got.refcount;
|
got_count = &h->got.refcount;
|
}
|
}
|
else
|
else
|
{
|
{
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
bfd_signed_vma *lgot_refs;
|
bfd_signed_vma *lgot_refs;
|
struct plt_entry **local_plt;
|
struct plt_entry **local_plt;
|
char *lgot_masks;
|
char *lgot_masks;
|
|
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
{
|
{
|
locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
|
locsyms = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
|
locsyms = bfd_elf_get_elf_syms (ibfd, symtab_hdr,
|
symtab_hdr->sh_info,
|
symtab_hdr->sh_info,
|
0, NULL, NULL, NULL);
|
0, NULL, NULL, NULL);
|
if (locsyms == NULL)
|
if (locsyms == NULL)
|
{
|
{
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
sym = locsyms + r_symndx;
|
sym = locsyms + r_symndx;
|
lgot_refs = elf_local_got_refcounts (ibfd);
|
lgot_refs = elf_local_got_refcounts (ibfd);
|
if (lgot_refs == NULL)
|
if (lgot_refs == NULL)
|
abort ();
|
abort ();
|
local_plt = (struct plt_entry **)
|
local_plt = (struct plt_entry **)
|
(lgot_refs + symtab_hdr->sh_info);
|
(lgot_refs + symtab_hdr->sh_info);
|
lgot_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
lgot_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
tls_mask = &lgot_masks[r_symndx];
|
tls_mask = &lgot_masks[r_symndx];
|
got_count = &lgot_refs[r_symndx];
|
got_count = &lgot_refs[r_symndx];
|
}
|
}
|
|
|
if (tls_set == 0)
|
if (tls_set == 0)
|
{
|
{
|
/* We managed to get rid of a got entry. */
|
/* We managed to get rid of a got entry. */
|
if (*got_count > 0)
|
if (*got_count > 0)
|
*got_count -= 1;
|
*got_count -= 1;
|
}
|
}
|
|
|
*tls_mask |= tls_set;
|
*tls_mask |= tls_set;
|
*tls_mask &= ~tls_clear;
|
*tls_mask &= ~tls_clear;
|
}
|
}
|
|
|
if (elf_section_data (sec)->relocs != relstart)
|
if (elf_section_data (sec)->relocs != relstart)
|
free (relstart);
|
free (relstart);
|
}
|
}
|
|
|
if (locsyms != NULL
|
if (locsyms != NULL
|
&& (symtab_hdr->contents != (unsigned char *) locsyms))
|
&& (symtab_hdr->contents != (unsigned char *) locsyms))
|
{
|
{
|
if (!info->keep_memory)
|
if (!info->keep_memory)
|
free (locsyms);
|
free (locsyms);
|
else
|
else
|
symtab_hdr->contents = (unsigned char *) locsyms;
|
symtab_hdr->contents = (unsigned char *) locsyms;
|
}
|
}
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Return true if we have dynamic relocs that apply to read-only sections. */
|
/* Return true if we have dynamic relocs that apply to read-only sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
readonly_dynrelocs (struct elf_link_hash_entry *h)
|
readonly_dynrelocs (struct elf_link_hash_entry *h)
|
{
|
{
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs *p;
|
|
|
for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
|
for (p = ppc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
asection *s = p->sec->output_section;
|
asection *s = p->sec->output_section;
|
|
|
if (s != NULL
|
if (s != NULL
|
&& ((s->flags & (SEC_READONLY | SEC_ALLOC))
|
&& ((s->flags & (SEC_READONLY | SEC_ALLOC))
|
== (SEC_READONLY | SEC_ALLOC)))
|
== (SEC_READONLY | SEC_ALLOC)))
|
return TRUE;
|
return TRUE;
|
}
|
}
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
regular object. The current definition is in some section of the
|
regular object. The current definition is in some section of the
|
dynamic object, but we're not including those sections. We have to
|
dynamic object, but we're not including those sections. We have to
|
change the definition to something the rest of the link can
|
change the definition to something the rest of the link can
|
understand. */
|
understand. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
ppc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
|
fprintf (stderr, "ppc_elf_adjust_dynamic_symbol called for %s\n",
|
h->root.root.string);
|
h->root.root.string);
|
#endif
|
#endif
|
|
|
/* Make sure we know what is going on here. */
|
/* Make sure we know what is going on here. */
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
BFD_ASSERT (htab->elf.dynobj != NULL
|
BFD_ASSERT (htab->elf.dynobj != NULL
|
&& (h->needs_plt
|
&& (h->needs_plt
|
|| h->type == STT_GNU_IFUNC
|
|| h->type == STT_GNU_IFUNC
|
|| h->u.weakdef != NULL
|
|| h->u.weakdef != NULL
|
|| (h->def_dynamic
|
|| (h->def_dynamic
|
&& h->ref_regular
|
&& h->ref_regular
|
&& !h->def_regular)));
|
&& !h->def_regular)));
|
|
|
/* Deal with function syms. */
|
/* Deal with function syms. */
|
if (h->type == STT_FUNC
|
if (h->type == STT_FUNC
|
|| h->type == STT_GNU_IFUNC
|
|| h->type == STT_GNU_IFUNC
|
|| h->needs_plt)
|
|| h->needs_plt)
|
{
|
{
|
/* Clear procedure linkage table information for any symbol that
|
/* Clear procedure linkage table information for any symbol that
|
won't need a .plt entry. */
|
won't need a .plt entry. */
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
break;
|
break;
|
if (ent == NULL
|
if (ent == NULL
|
|| (h->type != STT_GNU_IFUNC
|
|| (h->type != STT_GNU_IFUNC
|
&& (SYMBOL_CALLS_LOCAL (info, h)
|
&& (SYMBOL_CALLS_LOCAL (info, h)
|
|| (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
|| (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|
&& h->root.type == bfd_link_hash_undefweak))))
|
&& h->root.type == bfd_link_hash_undefweak))))
|
{
|
{
|
/* A PLT entry is not required/allowed when:
|
/* A PLT entry is not required/allowed when:
|
|
|
1. We are not using ld.so; because then the PLT entry
|
1. We are not using ld.so; because then the PLT entry
|
can't be set up, so we can't use one. In this case,
|
can't be set up, so we can't use one. In this case,
|
ppc_elf_adjust_dynamic_symbol won't even be called.
|
ppc_elf_adjust_dynamic_symbol won't even be called.
|
|
|
2. GC has rendered the entry unused.
|
2. GC has rendered the entry unused.
|
|
|
3. We know for certain that a call to this symbol
|
3. We know for certain that a call to this symbol
|
will go to this object, or will remain undefined. */
|
will go to this object, or will remain undefined. */
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* After adjust_dynamic_symbol, non_got_ref set in the
|
/* After adjust_dynamic_symbol, non_got_ref set in the
|
non-shared case means that we have allocated space in
|
non-shared case means that we have allocated space in
|
.dynbss for the symbol and thus dyn_relocs for this
|
.dynbss for the symbol and thus dyn_relocs for this
|
symbol should be discarded.
|
symbol should be discarded.
|
If we get here we know we are making a PLT entry for this
|
If we get here we know we are making a PLT entry for this
|
symbol, and in an executable we'd normally resolve
|
symbol, and in an executable we'd normally resolve
|
relocations against this symbol to the PLT entry. Allow
|
relocations against this symbol to the PLT entry. Allow
|
dynamic relocs if the reference is weak, and the dynamic
|
dynamic relocs if the reference is weak, and the dynamic
|
relocs will not cause text relocation. */
|
relocs will not cause text relocation. */
|
if (!h->ref_regular_nonweak
|
if (!h->ref_regular_nonweak
|
&& h->non_got_ref
|
&& h->non_got_ref
|
&& h->type != STT_GNU_IFUNC
|
&& h->type != STT_GNU_IFUNC
|
&& !htab->is_vxworks
|
&& !htab->is_vxworks
|
&& !ppc_elf_hash_entry (h)->has_sda_refs
|
&& !ppc_elf_hash_entry (h)->has_sda_refs
|
&& !readonly_dynrelocs (h))
|
&& !readonly_dynrelocs (h))
|
h->non_got_ref = 0;
|
h->non_got_ref = 0;
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
else
|
else
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
|
|
/* If this is a weak symbol, and there is a real definition, the
|
/* If this is a weak symbol, and there is a real definition, the
|
processor independent code will have arranged for us to see the
|
processor independent code will have arranged for us to see the
|
real definition first, and we can just use the same value. */
|
real definition first, and we can just use the same value. */
|
if (h->u.weakdef != NULL)
|
if (h->u.weakdef != NULL)
|
{
|
{
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
if (ELIMINATE_COPY_RELOCS)
|
if (ELIMINATE_COPY_RELOCS)
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
h->non_got_ref = h->u.weakdef->non_got_ref;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This is a reference to a symbol defined by a dynamic object which
|
/* This is a reference to a symbol defined by a dynamic object which
|
is not a function. */
|
is not a function. */
|
|
|
/* If we are creating a shared library, we must presume that the
|
/* If we are creating a shared library, we must presume that the
|
only references to the symbol are via the global offset table.
|
only references to the symbol are via the global offset table.
|
For such cases we need not do anything here; the relocations will
|
For such cases we need not do anything here; the relocations will
|
be handled correctly by relocate_section. */
|
be handled correctly by relocate_section. */
|
if (info->shared)
|
if (info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
/* If there are no references to this symbol that do not use the
|
/* If there are no references to this symbol that do not use the
|
GOT, we don't need to generate a copy reloc. */
|
GOT, we don't need to generate a copy reloc. */
|
if (!h->non_got_ref)
|
if (!h->non_got_ref)
|
return TRUE;
|
return TRUE;
|
|
|
/* If we didn't find any dynamic relocs in read-only sections, then
|
/* If we didn't find any dynamic relocs in read-only sections, then
|
we'll be keeping the dynamic relocs and avoiding the copy reloc.
|
we'll be keeping the dynamic relocs and avoiding the copy reloc.
|
We can't do this if there are any small data relocations. This
|
We can't do this if there are any small data relocations. This
|
doesn't work on VxWorks, where we can not have dynamic
|
doesn't work on VxWorks, where we can not have dynamic
|
relocations (other than copy and jump slot relocations) in an
|
relocations (other than copy and jump slot relocations) in an
|
executable. */
|
executable. */
|
if (ELIMINATE_COPY_RELOCS
|
if (ELIMINATE_COPY_RELOCS
|
&& !ppc_elf_hash_entry (h)->has_sda_refs
|
&& !ppc_elf_hash_entry (h)->has_sda_refs
|
&& !htab->is_vxworks
|
&& !htab->is_vxworks
|
&& !h->def_regular
|
&& !h->def_regular
|
&& !readonly_dynrelocs (h))
|
&& !readonly_dynrelocs (h))
|
{
|
{
|
h->non_got_ref = 0;
|
h->non_got_ref = 0;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
if (h->size == 0)
|
if (h->size == 0)
|
{
|
{
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
h->root.root.string);
|
h->root.root.string);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* We must allocate the symbol in our .dynbss section, which will
|
/* We must allocate the symbol in our .dynbss section, which will
|
become part of the .bss section of the executable. There will be
|
become part of the .bss section of the executable. There will be
|
an entry for this symbol in the .dynsym section. The dynamic
|
an entry for this symbol in the .dynsym section. The dynamic
|
object will contain position independent code, so all references
|
object will contain position independent code, so all references
|
from the dynamic object to this symbol will go through the global
|
from the dynamic object to this symbol will go through the global
|
offset table. The dynamic linker will use the .dynsym entry to
|
offset table. The dynamic linker will use the .dynsym entry to
|
determine the address it must put in the global offset table, so
|
determine the address it must put in the global offset table, so
|
both the dynamic object and the regular object will refer to the
|
both the dynamic object and the regular object will refer to the
|
same memory location for the variable.
|
same memory location for the variable.
|
|
|
Of course, if the symbol is referenced using SDAREL relocs, we
|
Of course, if the symbol is referenced using SDAREL relocs, we
|
must instead allocate it in .sbss. */
|
must instead allocate it in .sbss. */
|
|
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
s = htab->dynsbss;
|
s = htab->dynsbss;
|
else
|
else
|
s = htab->dynbss;
|
s = htab->dynbss;
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
/* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
|
/* We must generate a R_PPC_COPY reloc to tell the dynamic linker to
|
copy the initial value out of the dynamic object and into the
|
copy the initial value out of the dynamic object and into the
|
runtime process image. We need to remember the offset into the
|
runtime process image. We need to remember the offset into the
|
.rela.bss section we are going to use. */
|
.rela.bss section we are going to use. */
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
{
|
{
|
asection *srel;
|
asection *srel;
|
|
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
srel = htab->relsbss;
|
srel = htab->relsbss;
|
else
|
else
|
srel = htab->relbss;
|
srel = htab->relbss;
|
BFD_ASSERT (srel != NULL);
|
BFD_ASSERT (srel != NULL);
|
srel->size += sizeof (Elf32_External_Rela);
|
srel->size += sizeof (Elf32_External_Rela);
|
h->needs_copy = 1;
|
h->needs_copy = 1;
|
}
|
}
|
|
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
}
|
}
|
|
|
/* Generate a symbol to mark plt call stubs. For non-PIC code the sym is
|
/* Generate a symbol to mark plt call stubs. For non-PIC code the sym is
|
xxxxxxxx.plt_call32.<callee> where xxxxxxxx is a hex number, usually 0,
|
xxxxxxxx.plt_call32.<callee> where xxxxxxxx is a hex number, usually 0,
|
specifying the addend on the plt relocation. For -fpic code, the sym
|
specifying the addend on the plt relocation. For -fpic code, the sym
|
is xxxxxxxx.plt_pic32.<callee>, and for -fPIC
|
is xxxxxxxx.plt_pic32.<callee>, and for -fPIC
|
xxxxxxxx.got2.plt_pic32.<callee>. */
|
xxxxxxxx.got2.plt_pic32.<callee>. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
add_stub_sym (struct plt_entry *ent,
|
add_stub_sym (struct plt_entry *ent,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct elf_link_hash_entry *sh;
|
struct elf_link_hash_entry *sh;
|
size_t len1, len2, len3;
|
size_t len1, len2, len3;
|
char *name;
|
char *name;
|
const char *stub;
|
const char *stub;
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
|
|
if (info->shared)
|
if (info->shared)
|
stub = ".plt_pic32.";
|
stub = ".plt_pic32.";
|
else
|
else
|
stub = ".plt_call32.";
|
stub = ".plt_call32.";
|
|
|
len1 = strlen (h->root.root.string);
|
len1 = strlen (h->root.root.string);
|
len2 = strlen (stub);
|
len2 = strlen (stub);
|
len3 = 0;
|
len3 = 0;
|
if (ent->sec)
|
if (ent->sec)
|
len3 = strlen (ent->sec->name);
|
len3 = strlen (ent->sec->name);
|
name = bfd_malloc (len1 + len2 + len3 + 9);
|
name = bfd_malloc (len1 + len2 + len3 + 9);
|
if (name == NULL)
|
if (name == NULL)
|
return FALSE;
|
return FALSE;
|
sprintf (name, "%08x", (unsigned) ent->addend & 0xffffffff);
|
sprintf (name, "%08x", (unsigned) ent->addend & 0xffffffff);
|
if (ent->sec)
|
if (ent->sec)
|
memcpy (name + 8, ent->sec->name, len3);
|
memcpy (name + 8, ent->sec->name, len3);
|
memcpy (name + 8 + len3, stub, len2);
|
memcpy (name + 8 + len3, stub, len2);
|
memcpy (name + 8 + len3 + len2, h->root.root.string, len1 + 1);
|
memcpy (name + 8 + len3 + len2, h->root.root.string, len1 + 1);
|
sh = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
|
sh = elf_link_hash_lookup (&htab->elf, name, TRUE, FALSE, FALSE);
|
if (sh == NULL)
|
if (sh == NULL)
|
return FALSE;
|
return FALSE;
|
if (sh->root.type == bfd_link_hash_new)
|
if (sh->root.type == bfd_link_hash_new)
|
{
|
{
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.value = ent->glink_offset;
|
sh->root.u.def.value = ent->glink_offset;
|
sh->ref_regular = 1;
|
sh->ref_regular = 1;
|
sh->def_regular = 1;
|
sh->def_regular = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->forced_local = 1;
|
sh->forced_local = 1;
|
sh->non_elf = 0;
|
sh->non_elf = 0;
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Allocate NEED contiguous space in .got, and return the offset.
|
/* Allocate NEED contiguous space in .got, and return the offset.
|
Handles allocation of the got header when crossing 32k. */
|
Handles allocation of the got header when crossing 32k. */
|
|
|
static bfd_vma
|
static bfd_vma
|
allocate_got (struct ppc_elf_link_hash_table *htab, unsigned int need)
|
allocate_got (struct ppc_elf_link_hash_table *htab, unsigned int need)
|
{
|
{
|
bfd_vma where;
|
bfd_vma where;
|
unsigned int max_before_header;
|
unsigned int max_before_header;
|
|
|
if (htab->plt_type == PLT_VXWORKS)
|
if (htab->plt_type == PLT_VXWORKS)
|
{
|
{
|
where = htab->got->size;
|
where = htab->got->size;
|
htab->got->size += need;
|
htab->got->size += need;
|
}
|
}
|
else
|
else
|
{
|
{
|
max_before_header = htab->plt_type == PLT_NEW ? 32768 : 32764;
|
max_before_header = htab->plt_type == PLT_NEW ? 32768 : 32764;
|
if (need <= htab->got_gap)
|
if (need <= htab->got_gap)
|
{
|
{
|
where = max_before_header - htab->got_gap;
|
where = max_before_header - htab->got_gap;
|
htab->got_gap -= need;
|
htab->got_gap -= need;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (htab->got->size + need > max_before_header
|
if (htab->got->size + need > max_before_header
|
&& htab->got->size <= max_before_header)
|
&& htab->got->size <= max_before_header)
|
{
|
{
|
htab->got_gap = max_before_header - htab->got->size;
|
htab->got_gap = max_before_header - htab->got->size;
|
htab->got->size = max_before_header + htab->got_header_size;
|
htab->got->size = max_before_header + htab->got_header_size;
|
}
|
}
|
where = htab->got->size;
|
where = htab->got->size;
|
htab->got->size += need;
|
htab->got->size += need;
|
}
|
}
|
}
|
}
|
return where;
|
return where;
|
}
|
}
|
|
|
/* Allocate space in associated reloc sections for dynamic relocs. */
|
/* Allocate space in associated reloc sections for dynamic relocs. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct bfd_link_info *info = inf;
|
struct bfd_link_info *info = inf;
|
struct ppc_elf_link_hash_entry *eh;
|
struct ppc_elf_link_hash_entry *eh;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs *p;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
/* When warning symbols are created, they **replace** the "real"
|
/* When warning symbols are created, they **replace** the "real"
|
entry in the hash table, thus we never get to see the real
|
entry in the hash table, thus we never get to see the real
|
symbol in a hash traversal. So look at it now. */
|
symbol in a hash traversal. So look at it now. */
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
if (htab->elf.dynamic_sections_created
|
if (htab->elf.dynamic_sections_created
|
|| h->type == STT_GNU_IFUNC)
|
|| h->type == STT_GNU_IFUNC)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_boolean doneone = FALSE;
|
bfd_boolean doneone = FALSE;
|
bfd_vma plt_offset = 0, glink_offset = 0;
|
bfd_vma plt_offset = 0, glink_offset = 0;
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
|
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
{
|
{
|
/* Make sure this symbol is output as a dynamic symbol. */
|
/* Make sure this symbol is output as a dynamic symbol. */
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
&& !h->forced_local
|
&& !h->forced_local
|
&& !h->def_regular
|
&& !h->def_regular
|
&& htab->elf.dynamic_sections_created)
|
&& htab->elf.dynamic_sections_created)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
dyn = htab->elf.dynamic_sections_created;
|
dyn = htab->elf.dynamic_sections_created;
|
if (info->shared
|
if (info->shared
|
|| h->type == STT_GNU_IFUNC
|
|| h->type == STT_GNU_IFUNC
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
|
{
|
{
|
asection *s = htab->plt;
|
asection *s = htab->plt;
|
if (!dyn || h->dynindx == -1)
|
if (!dyn || h->dynindx == -1)
|
s = htab->iplt;
|
s = htab->iplt;
|
|
|
if (htab->plt_type == PLT_NEW || !dyn || h->dynindx == -1)
|
if (htab->plt_type == PLT_NEW || !dyn || h->dynindx == -1)
|
{
|
{
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
plt_offset = s->size;
|
plt_offset = s->size;
|
s->size += 4;
|
s->size += 4;
|
}
|
}
|
ent->plt.offset = plt_offset;
|
ent->plt.offset = plt_offset;
|
|
|
s = htab->glink;
|
s = htab->glink;
|
if (!doneone || info->shared)
|
if (!doneone || info->shared)
|
{
|
{
|
glink_offset = s->size;
|
glink_offset = s->size;
|
s->size += GLINK_ENTRY_SIZE;
|
s->size += GLINK_ENTRY_SIZE;
|
if (h == htab->tls_get_addr
|
if (h == htab->tls_get_addr
|
&& !htab->no_tls_get_addr_opt)
|
&& !htab->no_tls_get_addr_opt)
|
s->size += TLS_GET_ADDR_GLINK_SIZE - GLINK_ENTRY_SIZE;
|
s->size += TLS_GET_ADDR_GLINK_SIZE - GLINK_ENTRY_SIZE;
|
}
|
}
|
if (!doneone
|
if (!doneone
|
&& !info->shared
|
&& !info->shared
|
&& h->def_dynamic
|
&& h->def_dynamic
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
h->root.u.def.section = s;
|
h->root.u.def.section = s;
|
h->root.u.def.value = glink_offset;
|
h->root.u.def.value = glink_offset;
|
}
|
}
|
ent->glink_offset = glink_offset;
|
ent->glink_offset = glink_offset;
|
|
|
if (htab->emit_stub_syms
|
if (htab->emit_stub_syms
|
&& !add_stub_sym (ent, h, info))
|
&& !add_stub_sym (ent, h, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
/* If this is the first .plt entry, make room
|
/* If this is the first .plt entry, make room
|
for the special first entry. */
|
for the special first entry. */
|
if (s->size == 0)
|
if (s->size == 0)
|
s->size += htab->plt_initial_entry_size;
|
s->size += htab->plt_initial_entry_size;
|
|
|
/* The PowerPC PLT is actually composed of two
|
/* The PowerPC PLT is actually composed of two
|
parts, the first part is 2 words (for a load
|
parts, the first part is 2 words (for a load
|
and a jump), and then there is a remaining
|
and a jump), and then there is a remaining
|
word available at the end. */
|
word available at the end. */
|
plt_offset = (htab->plt_initial_entry_size
|
plt_offset = (htab->plt_initial_entry_size
|
+ (htab->plt_slot_size
|
+ (htab->plt_slot_size
|
* ((s->size
|
* ((s->size
|
- htab->plt_initial_entry_size)
|
- htab->plt_initial_entry_size)
|
/ htab->plt_entry_size)));
|
/ htab->plt_entry_size)));
|
|
|
/* If this symbol is not defined in a regular
|
/* If this symbol is not defined in a regular
|
file, and we are not generating a shared
|
file, and we are not generating a shared
|
library, then set the symbol to this location
|
library, then set the symbol to this location
|
in the .plt. This is to avoid text
|
in the .plt. This is to avoid text
|
relocations, and is required to make
|
relocations, and is required to make
|
function pointers compare as equal between
|
function pointers compare as equal between
|
the normal executable and the shared library. */
|
the normal executable and the shared library. */
|
if (! info->shared
|
if (! info->shared
|
&& h->def_dynamic
|
&& h->def_dynamic
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
h->root.u.def.section = s;
|
h->root.u.def.section = s;
|
h->root.u.def.value = plt_offset;
|
h->root.u.def.value = plt_offset;
|
}
|
}
|
|
|
/* Make room for this entry. */
|
/* Make room for this entry. */
|
s->size += htab->plt_entry_size;
|
s->size += htab->plt_entry_size;
|
/* After the 8192nd entry, room for two entries
|
/* After the 8192nd entry, room for two entries
|
is allocated. */
|
is allocated. */
|
if (htab->plt_type == PLT_OLD
|
if (htab->plt_type == PLT_OLD
|
&& (s->size - htab->plt_initial_entry_size)
|
&& (s->size - htab->plt_initial_entry_size)
|
/ htab->plt_entry_size
|
/ htab->plt_entry_size
|
> PLT_NUM_SINGLE_ENTRIES)
|
> PLT_NUM_SINGLE_ENTRIES)
|
s->size += htab->plt_entry_size;
|
s->size += htab->plt_entry_size;
|
}
|
}
|
ent->plt.offset = plt_offset;
|
ent->plt.offset = plt_offset;
|
}
|
}
|
|
|
/* We also need to make an entry in the .rela.plt section. */
|
/* We also need to make an entry in the .rela.plt section. */
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
if (!htab->elf.dynamic_sections_created
|
if (!htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
htab->reliplt->size += sizeof (Elf32_External_Rela);
|
htab->reliplt->size += sizeof (Elf32_External_Rela);
|
else
|
else
|
{
|
{
|
htab->relplt->size += sizeof (Elf32_External_Rela);
|
htab->relplt->size += sizeof (Elf32_External_Rela);
|
|
|
if (htab->plt_type == PLT_VXWORKS)
|
if (htab->plt_type == PLT_VXWORKS)
|
{
|
{
|
/* Allocate space for the unloaded relocations. */
|
/* Allocate space for the unloaded relocations. */
|
if (!info->shared
|
if (!info->shared
|
&& htab->elf.dynamic_sections_created)
|
&& htab->elf.dynamic_sections_created)
|
{
|
{
|
if (ent->plt.offset
|
if (ent->plt.offset
|
== (bfd_vma) htab->plt_initial_entry_size)
|
== (bfd_vma) htab->plt_initial_entry_size)
|
{
|
{
|
htab->srelplt2->size
|
htab->srelplt2->size
|
+= (sizeof (Elf32_External_Rela)
|
+= (sizeof (Elf32_External_Rela)
|
* VXWORKS_PLTRESOLVE_RELOCS);
|
* VXWORKS_PLTRESOLVE_RELOCS);
|
}
|
}
|
|
|
htab->srelplt2->size
|
htab->srelplt2->size
|
+= (sizeof (Elf32_External_Rela)
|
+= (sizeof (Elf32_External_Rela)
|
* VXWORKS_PLT_NON_JMP_SLOT_RELOCS);
|
* VXWORKS_PLT_NON_JMP_SLOT_RELOCS);
|
}
|
}
|
|
|
/* Every PLT entry has an associated GOT entry in
|
/* Every PLT entry has an associated GOT entry in
|
.got.plt. */
|
.got.plt. */
|
htab->sgotplt->size += 4;
|
htab->sgotplt->size += 4;
|
}
|
}
|
}
|
}
|
doneone = TRUE;
|
doneone = TRUE;
|
}
|
}
|
}
|
}
|
else
|
else
|
ent->plt.offset = (bfd_vma) -1;
|
ent->plt.offset = (bfd_vma) -1;
|
}
|
}
|
else
|
else
|
ent->plt.offset = (bfd_vma) -1;
|
ent->plt.offset = (bfd_vma) -1;
|
|
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
h->plt.plist = NULL;
|
h->plt.plist = NULL;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
|
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
if (eh->elf.got.refcount > 0)
|
if (eh->elf.got.refcount > 0)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
unsigned int need;
|
unsigned int need;
|
|
|
/* Make sure this symbol is output as a dynamic symbol. */
|
/* Make sure this symbol is output as a dynamic symbol. */
|
if (eh->elf.dynindx == -1
|
if (eh->elf.dynindx == -1
|
&& !eh->elf.forced_local
|
&& !eh->elf.forced_local
|
&& eh->elf.type != STT_GNU_IFUNC
|
&& eh->elf.type != STT_GNU_IFUNC
|
&& htab->elf.dynamic_sections_created)
|
&& htab->elf.dynamic_sections_created)
|
{
|
{
|
if (!bfd_elf_link_record_dynamic_symbol (info, &eh->elf))
|
if (!bfd_elf_link_record_dynamic_symbol (info, &eh->elf))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
need = 0;
|
need = 0;
|
if ((eh->tls_mask & TLS_TLS) != 0)
|
if ((eh->tls_mask & TLS_TLS) != 0)
|
{
|
{
|
if ((eh->tls_mask & TLS_LD) != 0)
|
if ((eh->tls_mask & TLS_LD) != 0)
|
{
|
{
|
if (!eh->elf.def_dynamic)
|
if (!eh->elf.def_dynamic)
|
/* We'll just use htab->tlsld_got.offset. This should
|
/* We'll just use htab->tlsld_got.offset. This should
|
always be the case. It's a little odd if we have
|
always be the case. It's a little odd if we have
|
a local dynamic reloc against a non-local symbol. */
|
a local dynamic reloc against a non-local symbol. */
|
htab->tlsld_got.refcount += 1;
|
htab->tlsld_got.refcount += 1;
|
else
|
else
|
need += 8;
|
need += 8;
|
}
|
}
|
if ((eh->tls_mask & TLS_GD) != 0)
|
if ((eh->tls_mask & TLS_GD) != 0)
|
need += 8;
|
need += 8;
|
if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
if ((eh->tls_mask & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
need += 4;
|
need += 4;
|
if ((eh->tls_mask & TLS_DTPREL) != 0)
|
if ((eh->tls_mask & TLS_DTPREL) != 0)
|
need += 4;
|
need += 4;
|
}
|
}
|
else
|
else
|
need += 4;
|
need += 4;
|
if (need == 0)
|
if (need == 0)
|
eh->elf.got.offset = (bfd_vma) -1;
|
eh->elf.got.offset = (bfd_vma) -1;
|
else
|
else
|
{
|
{
|
eh->elf.got.offset = allocate_got (htab, need);
|
eh->elf.got.offset = allocate_got (htab, need);
|
dyn = htab->elf.dynamic_sections_created;
|
dyn = htab->elf.dynamic_sections_created;
|
if ((info->shared
|
if ((info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, &eh->elf))
|
&& (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
|
&& (ELF_ST_VISIBILITY (eh->elf.other) == STV_DEFAULT
|
|| eh->elf.root.type != bfd_link_hash_undefweak))
|
|| eh->elf.root.type != bfd_link_hash_undefweak))
|
{
|
{
|
asection *rsec = htab->relgot;
|
asection *rsec = htab->relgot;
|
/* All the entries we allocated need relocs.
|
/* All the entries we allocated need relocs.
|
Except LD only needs one. */
|
Except LD only needs one. */
|
if ((eh->tls_mask & TLS_LD) != 0
|
if ((eh->tls_mask & TLS_LD) != 0
|
&& eh->elf.def_dynamic)
|
&& eh->elf.def_dynamic)
|
need -= 4;
|
need -= 4;
|
rsec->size += need * (sizeof (Elf32_External_Rela) / 4);
|
rsec->size += need * (sizeof (Elf32_External_Rela) / 4);
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
eh->elf.got.offset = (bfd_vma) -1;
|
eh->elf.got.offset = (bfd_vma) -1;
|
|
|
if (eh->dyn_relocs == NULL
|
if (eh->dyn_relocs == NULL
|
|| !htab->elf.dynamic_sections_created)
|
|| !htab->elf.dynamic_sections_created)
|
return TRUE;
|
return TRUE;
|
|
|
/* In the shared -Bsymbolic case, discard space allocated for
|
/* In the shared -Bsymbolic case, discard space allocated for
|
dynamic pc-relative relocs against symbols which turn out to be
|
dynamic pc-relative relocs against symbols which turn out to be
|
defined in regular objects. For the normal shared case, discard
|
defined in regular objects. For the normal shared case, discard
|
space for relocs that have become local due to symbol visibility
|
space for relocs that have become local due to symbol visibility
|
changes. */
|
changes. */
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
/* Relocs that use pc_count are those that appear on a call insn,
|
/* Relocs that use pc_count are those that appear on a call insn,
|
or certain REL relocs (see must_be_dyn_reloc) that can be
|
or certain REL relocs (see must_be_dyn_reloc) that can be
|
generated via assembly. We want calls to protected symbols to
|
generated via assembly. We want calls to protected symbols to
|
resolve directly to the function rather than going via the plt.
|
resolve directly to the function rather than going via the plt.
|
If people want function pointer comparisons to work as expected
|
If people want function pointer comparisons to work as expected
|
then they should avoid writing weird assembly. */
|
then they should avoid writing weird assembly. */
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
{
|
{
|
struct ppc_elf_dyn_relocs **pp;
|
struct ppc_elf_dyn_relocs **pp;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
p->count -= p->pc_count;
|
p->count -= p->pc_count;
|
p->pc_count = 0;
|
p->pc_count = 0;
|
if (p->count == 0)
|
if (p->count == 0)
|
*pp = p->next;
|
*pp = p->next;
|
else
|
else
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
}
|
}
|
|
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
{
|
{
|
struct ppc_elf_dyn_relocs **pp;
|
struct ppc_elf_dyn_relocs **pp;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
|
if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
|
*pp = p->next;
|
*pp = p->next;
|
else
|
else
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
}
|
}
|
|
|
/* Discard relocs on undefined symbols that must be local. */
|
/* Discard relocs on undefined symbols that must be local. */
|
if (eh->dyn_relocs != NULL
|
if (eh->dyn_relocs != NULL
|
&& h->root.type == bfd_link_hash_undefined
|
&& h->root.type == bfd_link_hash_undefined
|
&& (ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
&& (ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL))
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL))
|
eh->dyn_relocs = NULL;
|
eh->dyn_relocs = NULL;
|
|
|
/* Also discard relocs on undefined weak syms with non-default
|
/* Also discard relocs on undefined weak syms with non-default
|
visibility. */
|
visibility. */
|
if (eh->dyn_relocs != NULL
|
if (eh->dyn_relocs != NULL
|
&& h->root.type == bfd_link_hash_undefweak)
|
&& h->root.type == bfd_link_hash_undefweak)
|
{
|
{
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
eh->dyn_relocs = NULL;
|
eh->dyn_relocs = NULL;
|
|
|
/* Make sure undefined weak symbols are output as a dynamic
|
/* Make sure undefined weak symbols are output as a dynamic
|
symbol in PIEs. */
|
symbol in PIEs. */
|
else if (h->dynindx == -1
|
else if (h->dynindx == -1
|
&& !h->forced_local
|
&& !h->forced_local
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (ELIMINATE_COPY_RELOCS)
|
else if (ELIMINATE_COPY_RELOCS)
|
{
|
{
|
/* For the non-shared case, discard space for relocs against
|
/* For the non-shared case, discard space for relocs against
|
symbols which turn out to need copy relocs or are not
|
symbols which turn out to need copy relocs or are not
|
dynamic. */
|
dynamic. */
|
|
|
if (!h->non_got_ref
|
if (!h->non_got_ref
|
&& !h->def_regular)
|
&& !h->def_regular)
|
{
|
{
|
/* Make sure this symbol is output as a dynamic symbol.
|
/* Make sure this symbol is output as a dynamic symbol.
|
Undefined weak syms won't yet be marked as dynamic. */
|
Undefined weak syms won't yet be marked as dynamic. */
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
&& !h->forced_local)
|
&& !h->forced_local)
|
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* If that succeeded, we know we'll be keeping all the
|
/* If that succeeded, we know we'll be keeping all the
|
relocs. */
|
relocs. */
|
if (h->dynindx != -1)
|
if (h->dynindx != -1)
|
goto keep;
|
goto keep;
|
}
|
}
|
|
|
eh->dyn_relocs = NULL;
|
eh->dyn_relocs = NULL;
|
|
|
keep: ;
|
keep: ;
|
}
|
}
|
|
|
/* Finally, allocate space. */
|
/* Finally, allocate space. */
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
if (!htab->elf.dynamic_sections_created)
|
if (!htab->elf.dynamic_sections_created)
|
sreloc = htab->reliplt;
|
sreloc = htab->reliplt;
|
sreloc->size += p->count * sizeof (Elf32_External_Rela);
|
sreloc->size += p->count * sizeof (Elf32_External_Rela);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set DF_TEXTREL if we find any dynamic relocs that apply to
|
/* Set DF_TEXTREL if we find any dynamic relocs that apply to
|
read-only sections. */
|
read-only sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
maybe_set_textrel (struct elf_link_hash_entry *h, void *info)
|
maybe_set_textrel (struct elf_link_hash_entry *h, void *info)
|
{
|
{
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (readonly_dynrelocs (h))
|
if (readonly_dynrelocs (h))
|
{
|
{
|
((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
|
((struct bfd_link_info *) info)->flags |= DF_TEXTREL;
|
|
|
/* Not an error, just cut short the traversal. */
|
/* Not an error, just cut short the traversal. */
|
return FALSE;
|
return FALSE;
|
}
|
}
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set the sizes of the dynamic sections. */
|
/* Set the sizes of the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
ppc_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
bfd_boolean relocs;
|
bfd_boolean relocs;
|
bfd *ibfd;
|
bfd *ibfd;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
|
fprintf (stderr, "ppc_elf_size_dynamic_sections called\n");
|
#endif
|
#endif
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
BFD_ASSERT (htab->elf.dynobj != NULL);
|
BFD_ASSERT (htab->elf.dynobj != NULL);
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
/* Set the contents of the .interp section to the interpreter. */
|
/* Set the contents of the .interp section to the interpreter. */
|
if (info->executable)
|
if (info->executable)
|
{
|
{
|
s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
|
s = bfd_get_section_by_name (htab->elf.dynobj, ".interp");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
}
|
}
|
}
|
}
|
|
|
if (htab->plt_type == PLT_OLD)
|
if (htab->plt_type == PLT_OLD)
|
htab->got_header_size = 16;
|
htab->got_header_size = 16;
|
else if (htab->plt_type == PLT_NEW)
|
else if (htab->plt_type == PLT_NEW)
|
htab->got_header_size = 12;
|
htab->got_header_size = 12;
|
|
|
/* Set up .got offsets for local syms, and space for local dynamic
|
/* Set up .got offsets for local syms, and space for local dynamic
|
relocs. */
|
relocs. */
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
|
{
|
{
|
bfd_signed_vma *local_got;
|
bfd_signed_vma *local_got;
|
bfd_signed_vma *end_local_got;
|
bfd_signed_vma *end_local_got;
|
struct plt_entry **local_plt;
|
struct plt_entry **local_plt;
|
struct plt_entry **end_local_plt;
|
struct plt_entry **end_local_plt;
|
char *lgot_masks;
|
char *lgot_masks;
|
bfd_size_type locsymcount;
|
bfd_size_type locsymcount;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
|
|
if (!is_ppc_elf (ibfd))
|
if (!is_ppc_elf (ibfd))
|
continue;
|
continue;
|
|
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
{
|
{
|
struct ppc_elf_dyn_relocs *p;
|
struct ppc_elf_dyn_relocs *p;
|
|
|
for (p = ((struct ppc_elf_dyn_relocs *)
|
for (p = ((struct ppc_elf_dyn_relocs *)
|
elf_section_data (s)->local_dynrel);
|
elf_section_data (s)->local_dynrel);
|
p != NULL;
|
p != NULL;
|
p = p->next)
|
p = p->next)
|
{
|
{
|
if (!bfd_is_abs_section (p->sec)
|
if (!bfd_is_abs_section (p->sec)
|
&& bfd_is_abs_section (p->sec->output_section))
|
&& bfd_is_abs_section (p->sec->output_section))
|
{
|
{
|
/* Input section has been discarded, either because
|
/* Input section has been discarded, either because
|
it is a copy of a linkonce section or due to
|
it is a copy of a linkonce section or due to
|
linker script /DISCARD/, so we'll be discarding
|
linker script /DISCARD/, so we'll be discarding
|
the relocs too. */
|
the relocs too. */
|
}
|
}
|
else if (htab->is_vxworks
|
else if (htab->is_vxworks
|
&& strcmp (p->sec->output_section->name,
|
&& strcmp (p->sec->output_section->name,
|
".tls_vars") == 0)
|
".tls_vars") == 0)
|
{
|
{
|
/* Relocations in vxworks .tls_vars sections are
|
/* Relocations in vxworks .tls_vars sections are
|
handled specially by the loader. */
|
handled specially by the loader. */
|
}
|
}
|
else if (p->count != 0)
|
else if (p->count != 0)
|
{
|
{
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
if (!htab->elf.dynamic_sections_created)
|
if (!htab->elf.dynamic_sections_created)
|
sreloc = htab->reliplt;
|
sreloc = htab->reliplt;
|
sreloc->size += p->count * sizeof (Elf32_External_Rela);
|
sreloc->size += p->count * sizeof (Elf32_External_Rela);
|
if ((p->sec->output_section->flags
|
if ((p->sec->output_section->flags
|
& (SEC_READONLY | SEC_ALLOC))
|
& (SEC_READONLY | SEC_ALLOC))
|
== (SEC_READONLY | SEC_ALLOC))
|
== (SEC_READONLY | SEC_ALLOC))
|
info->flags |= DF_TEXTREL;
|
info->flags |= DF_TEXTREL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
local_got = elf_local_got_refcounts (ibfd);
|
local_got = elf_local_got_refcounts (ibfd);
|
if (!local_got)
|
if (!local_got)
|
continue;
|
continue;
|
|
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
locsymcount = symtab_hdr->sh_info;
|
locsymcount = symtab_hdr->sh_info;
|
end_local_got = local_got + locsymcount;
|
end_local_got = local_got + locsymcount;
|
local_plt = (struct plt_entry **) end_local_got;
|
local_plt = (struct plt_entry **) end_local_got;
|
end_local_plt = local_plt + locsymcount;
|
end_local_plt = local_plt + locsymcount;
|
lgot_masks = (char *) end_local_plt;
|
lgot_masks = (char *) end_local_plt;
|
|
|
for (; local_got < end_local_got; ++local_got, ++lgot_masks)
|
for (; local_got < end_local_got; ++local_got, ++lgot_masks)
|
if (*local_got > 0)
|
if (*local_got > 0)
|
{
|
{
|
unsigned int need = 0;
|
unsigned int need = 0;
|
if ((*lgot_masks & TLS_TLS) != 0)
|
if ((*lgot_masks & TLS_TLS) != 0)
|
{
|
{
|
if ((*lgot_masks & TLS_GD) != 0)
|
if ((*lgot_masks & TLS_GD) != 0)
|
need += 8;
|
need += 8;
|
if ((*lgot_masks & TLS_LD) != 0)
|
if ((*lgot_masks & TLS_LD) != 0)
|
htab->tlsld_got.refcount += 1;
|
htab->tlsld_got.refcount += 1;
|
if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
if ((*lgot_masks & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
need += 4;
|
need += 4;
|
if ((*lgot_masks & TLS_DTPREL) != 0)
|
if ((*lgot_masks & TLS_DTPREL) != 0)
|
need += 4;
|
need += 4;
|
}
|
}
|
else
|
else
|
need += 4;
|
need += 4;
|
if (need == 0)
|
if (need == 0)
|
*local_got = (bfd_vma) -1;
|
*local_got = (bfd_vma) -1;
|
else
|
else
|
{
|
{
|
*local_got = allocate_got (htab, need);
|
*local_got = allocate_got (htab, need);
|
if (info->shared)
|
if (info->shared)
|
htab->relgot->size += (need
|
htab->relgot->size += (need
|
* (sizeof (Elf32_External_Rela) / 4));
|
* (sizeof (Elf32_External_Rela) / 4));
|
}
|
}
|
}
|
}
|
else
|
else
|
*local_got = (bfd_vma) -1;
|
*local_got = (bfd_vma) -1;
|
|
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
continue;
|
continue;
|
|
|
/* Allocate space for calls to local STT_GNU_IFUNC syms in .iplt. */
|
/* Allocate space for calls to local STT_GNU_IFUNC syms in .iplt. */
|
for (; local_plt < end_local_plt; ++local_plt)
|
for (; local_plt < end_local_plt; ++local_plt)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_boolean doneone = FALSE;
|
bfd_boolean doneone = FALSE;
|
bfd_vma plt_offset = 0, glink_offset = 0;
|
bfd_vma plt_offset = 0, glink_offset = 0;
|
|
|
for (ent = *local_plt; ent != NULL; ent = ent->next)
|
for (ent = *local_plt; ent != NULL; ent = ent->next)
|
if (ent->plt.refcount > 0)
|
if (ent->plt.refcount > 0)
|
{
|
{
|
s = htab->iplt;
|
s = htab->iplt;
|
|
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
plt_offset = s->size;
|
plt_offset = s->size;
|
s->size += 4;
|
s->size += 4;
|
}
|
}
|
ent->plt.offset = plt_offset;
|
ent->plt.offset = plt_offset;
|
|
|
s = htab->glink;
|
s = htab->glink;
|
if (!doneone || info->shared)
|
if (!doneone || info->shared)
|
{
|
{
|
glink_offset = s->size;
|
glink_offset = s->size;
|
s->size += GLINK_ENTRY_SIZE;
|
s->size += GLINK_ENTRY_SIZE;
|
}
|
}
|
ent->glink_offset = glink_offset;
|
ent->glink_offset = glink_offset;
|
|
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
htab->reliplt->size += sizeof (Elf32_External_Rela);
|
htab->reliplt->size += sizeof (Elf32_External_Rela);
|
doneone = TRUE;
|
doneone = TRUE;
|
}
|
}
|
}
|
}
|
else
|
else
|
ent->plt.offset = (bfd_vma) -1;
|
ent->plt.offset = (bfd_vma) -1;
|
}
|
}
|
}
|
}
|
|
|
/* Allocate space for global sym dynamic relocs. */
|
/* Allocate space for global sym dynamic relocs. */
|
elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
|
elf_link_hash_traverse (elf_hash_table (info), allocate_dynrelocs, info);
|
|
|
if (htab->tlsld_got.refcount > 0)
|
if (htab->tlsld_got.refcount > 0)
|
{
|
{
|
htab->tlsld_got.offset = allocate_got (htab, 8);
|
htab->tlsld_got.offset = allocate_got (htab, 8);
|
if (info->shared)
|
if (info->shared)
|
htab->relgot->size += sizeof (Elf32_External_Rela);
|
htab->relgot->size += sizeof (Elf32_External_Rela);
|
}
|
}
|
else
|
else
|
htab->tlsld_got.offset = (bfd_vma) -1;
|
htab->tlsld_got.offset = (bfd_vma) -1;
|
|
|
if (htab->got != NULL && htab->plt_type != PLT_VXWORKS)
|
if (htab->got != NULL && htab->plt_type != PLT_VXWORKS)
|
{
|
{
|
unsigned int g_o_t = 32768;
|
unsigned int g_o_t = 32768;
|
|
|
/* If we haven't allocated the header, do so now. When we get here,
|
/* If we haven't allocated the header, do so now. When we get here,
|
for old plt/got the got size will be 0 to 32764 (not allocated),
|
for old plt/got the got size will be 0 to 32764 (not allocated),
|
or 32780 to 65536 (header allocated). For new plt/got, the
|
or 32780 to 65536 (header allocated). For new plt/got, the
|
corresponding ranges are 0 to 32768 and 32780 to 65536. */
|
corresponding ranges are 0 to 32768 and 32780 to 65536. */
|
if (htab->got->size <= 32768)
|
if (htab->got->size <= 32768)
|
{
|
{
|
g_o_t = htab->got->size;
|
g_o_t = htab->got->size;
|
if (htab->plt_type == PLT_OLD)
|
if (htab->plt_type == PLT_OLD)
|
g_o_t += 4;
|
g_o_t += 4;
|
htab->got->size += htab->got_header_size;
|
htab->got->size += htab->got_header_size;
|
}
|
}
|
|
|
htab->elf.hgot->root.u.def.value = g_o_t;
|
htab->elf.hgot->root.u.def.value = g_o_t;
|
}
|
}
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
struct elf_link_hash_entry *sda = htab->sdata[0].sym;
|
struct elf_link_hash_entry *sda = htab->sdata[0].sym;
|
if (sda != NULL
|
if (sda != NULL
|
&& !(sda->root.type == bfd_link_hash_defined
|
&& !(sda->root.type == bfd_link_hash_defined
|
|| sda->root.type == bfd_link_hash_defweak))
|
|| sda->root.type == bfd_link_hash_defweak))
|
{
|
{
|
sda->root.type = bfd_link_hash_defined;
|
sda->root.type = bfd_link_hash_defined;
|
sda->root.u.def.section = htab->elf.hgot->root.u.def.section;
|
sda->root.u.def.section = htab->elf.hgot->root.u.def.section;
|
sda->root.u.def.value = htab->elf.hgot->root.u.def.value;
|
sda->root.u.def.value = htab->elf.hgot->root.u.def.value;
|
}
|
}
|
}
|
}
|
|
|
if (htab->glink != NULL
|
if (htab->glink != NULL
|
&& htab->glink->size != 0
|
&& htab->glink->size != 0
|
&& htab->elf.dynamic_sections_created)
|
&& htab->elf.dynamic_sections_created)
|
{
|
{
|
htab->glink_pltresolve = htab->glink->size;
|
htab->glink_pltresolve = htab->glink->size;
|
/* Space for the branch table. */
|
/* Space for the branch table. */
|
htab->glink->size += htab->glink->size / (GLINK_ENTRY_SIZE / 4) - 4;
|
htab->glink->size += htab->glink->size / (GLINK_ENTRY_SIZE / 4) - 4;
|
/* Pad out to align the start of PLTresolve. */
|
/* Pad out to align the start of PLTresolve. */
|
htab->glink->size += -htab->glink->size & 15;
|
htab->glink->size += -htab->glink->size & 15;
|
htab->glink->size += GLINK_PLTRESOLVE;
|
htab->glink->size += GLINK_PLTRESOLVE;
|
|
|
if (htab->emit_stub_syms)
|
if (htab->emit_stub_syms)
|
{
|
{
|
struct elf_link_hash_entry *sh;
|
struct elf_link_hash_entry *sh;
|
sh = elf_link_hash_lookup (&htab->elf, "__glink",
|
sh = elf_link_hash_lookup (&htab->elf, "__glink",
|
TRUE, FALSE, FALSE);
|
TRUE, FALSE, FALSE);
|
if (sh == NULL)
|
if (sh == NULL)
|
return FALSE;
|
return FALSE;
|
if (sh->root.type == bfd_link_hash_new)
|
if (sh->root.type == bfd_link_hash_new)
|
{
|
{
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.value = htab->glink_pltresolve;
|
sh->root.u.def.value = htab->glink_pltresolve;
|
sh->ref_regular = 1;
|
sh->ref_regular = 1;
|
sh->def_regular = 1;
|
sh->def_regular = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->forced_local = 1;
|
sh->forced_local = 1;
|
sh->non_elf = 0;
|
sh->non_elf = 0;
|
}
|
}
|
sh = elf_link_hash_lookup (&htab->elf, "__glink_PLTresolve",
|
sh = elf_link_hash_lookup (&htab->elf, "__glink_PLTresolve",
|
TRUE, FALSE, FALSE);
|
TRUE, FALSE, FALSE);
|
if (sh == NULL)
|
if (sh == NULL)
|
return FALSE;
|
return FALSE;
|
if (sh->root.type == bfd_link_hash_new)
|
if (sh->root.type == bfd_link_hash_new)
|
{
|
{
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.type = bfd_link_hash_defined;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.section = htab->glink;
|
sh->root.u.def.value = htab->glink->size - GLINK_PLTRESOLVE;
|
sh->root.u.def.value = htab->glink->size - GLINK_PLTRESOLVE;
|
sh->ref_regular = 1;
|
sh->ref_regular = 1;
|
sh->def_regular = 1;
|
sh->def_regular = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->ref_regular_nonweak = 1;
|
sh->forced_local = 1;
|
sh->forced_local = 1;
|
sh->non_elf = 0;
|
sh->non_elf = 0;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* We've now determined the sizes of the various dynamic sections.
|
/* We've now determined the sizes of the various dynamic sections.
|
Allocate memory for them. */
|
Allocate memory for them. */
|
relocs = FALSE;
|
relocs = FALSE;
|
for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
|
for (s = htab->elf.dynobj->sections; s != NULL; s = s->next)
|
{
|
{
|
bfd_boolean strip_section = TRUE;
|
bfd_boolean strip_section = TRUE;
|
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
continue;
|
continue;
|
|
|
if (s == htab->plt
|
if (s == htab->plt
|
|| s == htab->got)
|
|| s == htab->got)
|
{
|
{
|
/* We'd like to strip these sections if they aren't needed, but if
|
/* We'd like to strip these sections if they aren't needed, but if
|
we've exported dynamic symbols from them we must leave them.
|
we've exported dynamic symbols from them we must leave them.
|
It's too late to tell BFD to get rid of the symbols. */
|
It's too late to tell BFD to get rid of the symbols. */
|
if (htab->elf.hplt != NULL)
|
if (htab->elf.hplt != NULL)
|
strip_section = FALSE;
|
strip_section = FALSE;
|
/* Strip this section if we don't need it; see the
|
/* Strip this section if we don't need it; see the
|
comment below. */
|
comment below. */
|
}
|
}
|
else if (s == htab->iplt
|
else if (s == htab->iplt
|
|| s == htab->glink
|
|| s == htab->glink
|
|| s == htab->sgotplt
|
|| s == htab->sgotplt
|
|| s == htab->sbss
|
|| s == htab->sbss
|
|| s == htab->dynbss
|
|| s == htab->dynbss
|
|| s == htab->dynsbss
|
|| s == htab->dynsbss
|
|| s == htab->sdata[0].section
|
|| s == htab->sdata[0].section
|
|| s == htab->sdata[1].section)
|
|| s == htab->sdata[1].section)
|
{
|
{
|
/* Strip these too. */
|
/* Strip these too. */
|
}
|
}
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
|
{
|
{
|
if (s->size != 0)
|
if (s->size != 0)
|
{
|
{
|
/* Remember whether there are any relocation sections. */
|
/* Remember whether there are any relocation sections. */
|
relocs = TRUE;
|
relocs = TRUE;
|
|
|
/* We use the reloc_count field as a counter if we need
|
/* We use the reloc_count field as a counter if we need
|
to copy relocs into the output file. */
|
to copy relocs into the output file. */
|
s->reloc_count = 0;
|
s->reloc_count = 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* It's not one of our sections, so don't allocate space. */
|
/* It's not one of our sections, so don't allocate space. */
|
continue;
|
continue;
|
}
|
}
|
|
|
if (s->size == 0 && strip_section)
|
if (s->size == 0 && strip_section)
|
{
|
{
|
/* If we don't need this section, strip it from the
|
/* If we don't need this section, strip it from the
|
output file. This is mostly to handle .rela.bss and
|
output file. This is mostly to handle .rela.bss and
|
.rela.plt. We must create both sections in
|
.rela.plt. We must create both sections in
|
create_dynamic_sections, because they must be created
|
create_dynamic_sections, because they must be created
|
before the linker maps input sections to output
|
before the linker maps input sections to output
|
sections. The linker does that before
|
sections. The linker does that before
|
adjust_dynamic_symbol is called, and it is that
|
adjust_dynamic_symbol is called, and it is that
|
function which decides whether anything needs to go
|
function which decides whether anything needs to go
|
into these sections. */
|
into these sections. */
|
s->flags |= SEC_EXCLUDE;
|
s->flags |= SEC_EXCLUDE;
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
continue;
|
continue;
|
|
|
/* Allocate memory for the section contents. */
|
/* Allocate memory for the section contents. */
|
s->contents = bfd_zalloc (htab->elf.dynobj, s->size);
|
s->contents = bfd_zalloc (htab->elf.dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
/* Add some entries to the .dynamic section. We fill in the
|
/* Add some entries to the .dynamic section. We fill in the
|
values later, in ppc_elf_finish_dynamic_sections, but we
|
values later, in ppc_elf_finish_dynamic_sections, but we
|
must add the entries now so that we get the correct size for
|
must add the entries now so that we get the correct size for
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
dynamic linker and used by the debugger. */
|
dynamic linker and used by the debugger. */
|
#define add_dynamic_entry(TAG, VAL) \
|
#define add_dynamic_entry(TAG, VAL) \
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
|
|
if (info->executable)
|
if (info->executable)
|
{
|
{
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->plt != NULL && htab->plt->size != 0)
|
if (htab->plt != NULL && htab->plt->size != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->glink != NULL && htab->glink->size != 0)
|
if (htab->glink != NULL && htab->glink->size != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_PPC_GOT, 0))
|
if (!add_dynamic_entry (DT_PPC_GOT, 0))
|
return FALSE;
|
return FALSE;
|
if (!htab->no_tls_get_addr_opt
|
if (!htab->no_tls_get_addr_opt
|
&& htab->tls_get_addr != NULL
|
&& htab->tls_get_addr != NULL
|
&& htab->tls_get_addr->plt.plist != NULL
|
&& htab->tls_get_addr->plt.plist != NULL
|
&& !add_dynamic_entry (DT_PPC_TLSOPT, 0))
|
&& !add_dynamic_entry (DT_PPC_TLSOPT, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (relocs)
|
if (relocs)
|
{
|
{
|
if (!add_dynamic_entry (DT_RELA, 0)
|
if (!add_dynamic_entry (DT_RELA, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* If any dynamic relocs apply to a read-only section, then we
|
/* If any dynamic relocs apply to a read-only section, then we
|
need a DT_TEXTREL entry. */
|
need a DT_TEXTREL entry. */
|
if ((info->flags & DF_TEXTREL) == 0)
|
if ((info->flags & DF_TEXTREL) == 0)
|
elf_link_hash_traverse (elf_hash_table (info), maybe_set_textrel,
|
elf_link_hash_traverse (elf_hash_table (info), maybe_set_textrel,
|
info);
|
info);
|
|
|
if ((info->flags & DF_TEXTREL) != 0)
|
if ((info->flags & DF_TEXTREL) != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (htab->is_vxworks
|
if (htab->is_vxworks
|
&& !elf_vxworks_add_dynamic_entries (output_bfd, info))
|
&& !elf_vxworks_add_dynamic_entries (output_bfd, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
#undef add_dynamic_entry
|
#undef add_dynamic_entry
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Return TRUE if symbol should be hashed in the `.gnu.hash' section. */
|
/* Return TRUE if symbol should be hashed in the `.gnu.hash' section. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_hash_symbol (struct elf_link_hash_entry *h)
|
ppc_elf_hash_symbol (struct elf_link_hash_entry *h)
|
{
|
{
|
if (h->plt.plist != NULL
|
if (h->plt.plist != NULL
|
&& !h->def_regular
|
&& !h->def_regular
|
&& (!h->pointer_equality_needed
|
&& (!h->pointer_equality_needed
|
|| !h->ref_regular_nonweak))
|
|| !h->ref_regular_nonweak))
|
return FALSE;
|
return FALSE;
|
|
|
return _bfd_elf_hash_symbol (h);
|
return _bfd_elf_hash_symbol (h);
|
}
|
}
|
|
|
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
|
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
|
|
|
/* Relaxation trampolines. r12 is available for clobbering (r11, is
|
/* Relaxation trampolines. r12 is available for clobbering (r11, is
|
used for some functions that are allowed to break the ABI). */
|
used for some functions that are allowed to break the ABI). */
|
static const int shared_stub_entry[] =
|
static const int shared_stub_entry[] =
|
{
|
{
|
0x7c0802a6, /* mflr 0 */
|
0x7c0802a6, /* mflr 0 */
|
0x429f0005, /* bcl 20, 31, .Lxxx */
|
0x429f0005, /* bcl 20, 31, .Lxxx */
|
0x7d8802a6, /* mflr 12 */
|
0x7d8802a6, /* mflr 12 */
|
0x3d8c0000, /* addis 12, 12, (xxx-.Lxxx)@ha */
|
0x3d8c0000, /* addis 12, 12, (xxx-.Lxxx)@ha */
|
0x398c0008, /* addi 12, 12, (xxx-.Lxxx)@l */
|
0x398c0008, /* addi 12, 12, (xxx-.Lxxx)@l */
|
0x7c0803a6, /* mtlr 0 */
|
0x7c0803a6, /* mtlr 0 */
|
0x7d8903a6, /* mtctr 12 */
|
0x7d8903a6, /* mtctr 12 */
|
0x4e800420, /* bctr */
|
0x4e800420, /* bctr */
|
};
|
};
|
|
|
static const int stub_entry[] =
|
static const int stub_entry[] =
|
{
|
{
|
0x3d800000, /* lis 12,xxx@ha */
|
0x3d800000, /* lis 12,xxx@ha */
|
0x398c0000, /* addi 12,12,xxx@l */
|
0x398c0000, /* addi 12,12,xxx@l */
|
0x7d8903a6, /* mtctr 12 */
|
0x7d8903a6, /* mtctr 12 */
|
0x4e800420, /* bctr */
|
0x4e800420, /* bctr */
|
};
|
};
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_relax_section (bfd *abfd,
|
ppc_elf_relax_section (bfd *abfd,
|
asection *isec,
|
asection *isec,
|
struct bfd_link_info *link_info,
|
struct bfd_link_info *link_info,
|
bfd_boolean *again)
|
bfd_boolean *again)
|
{
|
{
|
struct one_fixup
|
struct one_fixup
|
{
|
{
|
struct one_fixup *next;
|
struct one_fixup *next;
|
asection *tsec;
|
asection *tsec;
|
/* Final link, can use the symbol offset. For a
|
/* Final link, can use the symbol offset. For a
|
relocatable link we use the symbol's index. */
|
relocatable link we use the symbol's index. */
|
bfd_vma toff;
|
bfd_vma toff;
|
bfd_vma trampoff;
|
bfd_vma trampoff;
|
};
|
};
|
|
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
bfd_byte *contents = NULL;
|
bfd_byte *contents = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Sym *isymbuf = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
struct one_fixup *fixups = NULL;
|
struct one_fixup *fixups = NULL;
|
unsigned changes = 0;
|
unsigned changes = 0;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
bfd_size_type trampoff;
|
bfd_size_type trampoff;
|
asection *got2;
|
asection *got2;
|
|
|
*again = FALSE;
|
*again = FALSE;
|
|
|
/* Nothing to do if there are no relocations, and no need to do
|
/* Nothing to do if there are no relocations, and no need to do
|
anything with non-alloc or non-code sections. */
|
anything with non-alloc or non-code sections. */
|
if ((isec->flags & SEC_ALLOC) == 0
|
if ((isec->flags & SEC_ALLOC) == 0
|
|| (isec->flags & SEC_CODE) == 0
|
|| (isec->flags & SEC_CODE) == 0
|
|| (isec->flags & SEC_RELOC) == 0
|
|| (isec->flags & SEC_RELOC) == 0
|
|| isec->reloc_count == 0)
|
|| isec->reloc_count == 0)
|
return TRUE;
|
return TRUE;
|
|
|
/* We cannot represent the required PIC relocs in the output, so don't
|
/* We cannot represent the required PIC relocs in the output, so don't
|
do anything. The linker doesn't support mixing -shared and -r
|
do anything. The linker doesn't support mixing -shared and -r
|
anyway. */
|
anyway. */
|
if (link_info->relocatable && link_info->shared)
|
if (link_info->relocatable && link_info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
trampoff = (isec->size + 3) & (bfd_vma) -4;
|
trampoff = (isec->size + 3) & (bfd_vma) -4;
|
/* Space for a branch around any trampolines. */
|
/* Space for a branch around any trampolines. */
|
trampoff += 4;
|
trampoff += 4;
|
|
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
symtab_hdr = &elf_symtab_hdr (abfd);
|
|
|
/* Get a copy of the native relocations. */
|
/* Get a copy of the native relocations. */
|
internal_relocs = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
|
internal_relocs = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL,
|
link_info->keep_memory);
|
link_info->keep_memory);
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
htab = ppc_elf_hash_table (link_info);
|
htab = ppc_elf_hash_table (link_info);
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
got2 = bfd_get_section_by_name (abfd, ".got2");
|
|
|
irelend = internal_relocs + isec->reloc_count;
|
irelend = internal_relocs + isec->reloc_count;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
unsigned long r_type = ELF32_R_TYPE (irel->r_info);
|
unsigned long r_type = ELF32_R_TYPE (irel->r_info);
|
bfd_vma toff, roff;
|
bfd_vma toff, roff;
|
asection *tsec;
|
asection *tsec;
|
struct one_fixup *f;
|
struct one_fixup *f;
|
size_t insn_offset = 0;
|
size_t insn_offset = 0;
|
bfd_vma max_branch_offset, val;
|
bfd_vma max_branch_offset, val;
|
bfd_byte *hit_addr;
|
bfd_byte *hit_addr;
|
unsigned long t0;
|
unsigned long t0;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
struct plt_entry **plist;
|
struct plt_entry **plist;
|
unsigned char sym_type;
|
unsigned char sym_type;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_LOCAL24PC:
|
case R_PPC_LOCAL24PC:
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL24:
|
max_branch_offset = 1 << 25;
|
max_branch_offset = 1 << 25;
|
break;
|
break;
|
|
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
max_branch_offset = 1 << 15;
|
max_branch_offset = 1 << 15;
|
break;
|
break;
|
|
|
default:
|
default:
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Get the value of the symbol referred to by the reloc. */
|
/* Get the value of the symbol referred to by the reloc. */
|
h = NULL;
|
h = NULL;
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
{
|
{
|
/* A local symbol. */
|
/* A local symbol. */
|
Elf_Internal_Sym *isym;
|
Elf_Internal_Sym *isym;
|
|
|
/* Read this BFD's local symbols. */
|
/* Read this BFD's local symbols. */
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
{
|
{
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
|
if (isymbuf == NULL)
|
if (isymbuf == NULL)
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
|
symtab_hdr->sh_info, 0,
|
symtab_hdr->sh_info, 0,
|
NULL, NULL, NULL);
|
NULL, NULL, NULL);
|
if (isymbuf == 0)
|
if (isymbuf == 0)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
isym = isymbuf + ELF32_R_SYM (irel->r_info);
|
if (isym->st_shndx == SHN_UNDEF)
|
if (isym->st_shndx == SHN_UNDEF)
|
tsec = bfd_und_section_ptr;
|
tsec = bfd_und_section_ptr;
|
else if (isym->st_shndx == SHN_ABS)
|
else if (isym->st_shndx == SHN_ABS)
|
tsec = bfd_abs_section_ptr;
|
tsec = bfd_abs_section_ptr;
|
else if (isym->st_shndx == SHN_COMMON)
|
else if (isym->st_shndx == SHN_COMMON)
|
tsec = bfd_com_section_ptr;
|
tsec = bfd_com_section_ptr;
|
else
|
else
|
tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
tsec = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
|
|
toff = isym->st_value;
|
toff = isym->st_value;
|
sym_type = ELF_ST_TYPE (isym->st_info);
|
sym_type = ELF_ST_TYPE (isym->st_info);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Global symbol handling. */
|
/* Global symbol handling. */
|
unsigned long indx;
|
unsigned long indx;
|
|
|
indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
|
indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
|
h = elf_sym_hashes (abfd)[indx];
|
h = elf_sym_hashes (abfd)[indx];
|
|
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (h->root.type == bfd_link_hash_defined
|
if (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
{
|
{
|
tsec = h->root.u.def.section;
|
tsec = h->root.u.def.section;
|
toff = h->root.u.def.value;
|
toff = h->root.u.def.value;
|
}
|
}
|
else if (h->root.type == bfd_link_hash_undefined
|
else if (h->root.type == bfd_link_hash_undefined
|
|| h->root.type == bfd_link_hash_undefweak)
|
|| h->root.type == bfd_link_hash_undefweak)
|
{
|
{
|
tsec = bfd_und_section_ptr;
|
tsec = bfd_und_section_ptr;
|
toff = link_info->relocatable ? indx : 0;
|
toff = link_info->relocatable ? indx : 0;
|
}
|
}
|
else
|
else
|
continue;
|
continue;
|
|
|
sym_type = h->type;
|
sym_type = h->type;
|
}
|
}
|
|
|
/* The condition here under which we call find_plt_ent must
|
/* The condition here under which we call find_plt_ent must
|
match that in relocate_section. If we call find_plt_ent here
|
match that in relocate_section. If we call find_plt_ent here
|
but not in relocate_section, or vice versa, then the branch
|
but not in relocate_section, or vice versa, then the branch
|
destination used here may be incorrect. */
|
destination used here may be incorrect. */
|
plist = NULL;
|
plist = NULL;
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
/* We know is_branch_reloc (r_type) is true. */
|
/* We know is_branch_reloc (r_type) is true. */
|
if (h->type == STT_GNU_IFUNC
|
if (h->type == STT_GNU_IFUNC
|
|| r_type == R_PPC_PLTREL24)
|
|| r_type == R_PPC_PLTREL24)
|
plist = &h->plt.plist;
|
plist = &h->plt.plist;
|
}
|
}
|
else if (sym_type == STT_GNU_IFUNC
|
else if (sym_type == STT_GNU_IFUNC
|
&& elf_local_got_offsets (abfd) != NULL)
|
&& elf_local_got_offsets (abfd) != NULL)
|
{
|
{
|
bfd_vma *local_got_offsets = elf_local_got_offsets (abfd);
|
bfd_vma *local_got_offsets = elf_local_got_offsets (abfd);
|
struct plt_entry **local_plt = (struct plt_entry **)
|
struct plt_entry **local_plt = (struct plt_entry **)
|
(local_got_offsets + symtab_hdr->sh_info);
|
(local_got_offsets + symtab_hdr->sh_info);
|
plist = local_plt + ELF32_R_SYM (irel->r_info);
|
plist = local_plt + ELF32_R_SYM (irel->r_info);
|
}
|
}
|
if (plist != NULL)
|
if (plist != NULL)
|
{
|
{
|
bfd_vma addend = 0;
|
bfd_vma addend = 0;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (r_type == R_PPC_PLTREL24 && link_info->shared)
|
if (r_type == R_PPC_PLTREL24 && link_info->shared)
|
addend = irel->r_addend;
|
addend = irel->r_addend;
|
ent = find_plt_ent (plist, got2, addend);
|
ent = find_plt_ent (plist, got2, addend);
|
if (ent != NULL)
|
if (ent != NULL)
|
{
|
{
|
if (htab->plt_type == PLT_NEW
|
if (htab->plt_type == PLT_NEW
|
|| h == NULL
|
|| h == NULL
|
|| !htab->elf.dynamic_sections_created
|
|| !htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
{
|
{
|
tsec = htab->glink;
|
tsec = htab->glink;
|
toff = ent->glink_offset;
|
toff = ent->glink_offset;
|
}
|
}
|
else
|
else
|
{
|
{
|
tsec = htab->plt;
|
tsec = htab->plt;
|
toff = ent->plt.offset;
|
toff = ent->plt.offset;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* If the branch and target are in the same section, you have
|
/* If the branch and target are in the same section, you have
|
no hope of adding stubs. We'll error out later should the
|
no hope of adding stubs. We'll error out later should the
|
branch overflow. */
|
branch overflow. */
|
if (tsec == isec)
|
if (tsec == isec)
|
continue;
|
continue;
|
|
|
/* There probably isn't any reason to handle symbols in
|
/* There probably isn't any reason to handle symbols in
|
SEC_MERGE sections; SEC_MERGE doesn't seem a likely
|
SEC_MERGE sections; SEC_MERGE doesn't seem a likely
|
attribute for a code section, and we are only looking at
|
attribute for a code section, and we are only looking at
|
branches. However, implement it correctly here as a
|
branches. However, implement it correctly here as a
|
reference for other target relax_section functions. */
|
reference for other target relax_section functions. */
|
if (0 && tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
|
if (0 && tsec->sec_info_type == ELF_INFO_TYPE_MERGE)
|
{
|
{
|
/* At this stage in linking, no SEC_MERGE symbol has been
|
/* At this stage in linking, no SEC_MERGE symbol has been
|
adjusted, so all references to such symbols need to be
|
adjusted, so all references to such symbols need to be
|
passed through _bfd_merged_section_offset. (Later, in
|
passed through _bfd_merged_section_offset. (Later, in
|
relocate_section, all SEC_MERGE symbols *except* for
|
relocate_section, all SEC_MERGE symbols *except* for
|
section symbols have been adjusted.)
|
section symbols have been adjusted.)
|
|
|
gas may reduce relocations against symbols in SEC_MERGE
|
gas may reduce relocations against symbols in SEC_MERGE
|
sections to a relocation against the section symbol when
|
sections to a relocation against the section symbol when
|
the original addend was zero. When the reloc is against
|
the original addend was zero. When the reloc is against
|
a section symbol we should include the addend in the
|
a section symbol we should include the addend in the
|
offset passed to _bfd_merged_section_offset, since the
|
offset passed to _bfd_merged_section_offset, since the
|
location of interest is the original symbol. On the
|
location of interest is the original symbol. On the
|
other hand, an access to "sym+addend" where "sym" is not
|
other hand, an access to "sym+addend" where "sym" is not
|
a section symbol should not include the addend; Such an
|
a section symbol should not include the addend; Such an
|
access is presumed to be an offset from "sym"; The
|
access is presumed to be an offset from "sym"; The
|
location of interest is just "sym". */
|
location of interest is just "sym". */
|
if (sym_type == STT_SECTION)
|
if (sym_type == STT_SECTION)
|
toff += irel->r_addend;
|
toff += irel->r_addend;
|
|
|
toff = _bfd_merged_section_offset (abfd, &tsec,
|
toff = _bfd_merged_section_offset (abfd, &tsec,
|
elf_section_data (tsec)->sec_info,
|
elf_section_data (tsec)->sec_info,
|
toff);
|
toff);
|
|
|
if (sym_type != STT_SECTION)
|
if (sym_type != STT_SECTION)
|
toff += irel->r_addend;
|
toff += irel->r_addend;
|
}
|
}
|
/* PLTREL24 addends are special. */
|
/* PLTREL24 addends are special. */
|
else if (r_type != R_PPC_PLTREL24)
|
else if (r_type != R_PPC_PLTREL24)
|
toff += irel->r_addend;
|
toff += irel->r_addend;
|
|
|
/* Attempted -shared link of non-pic code loses. */
|
/* Attempted -shared link of non-pic code loses. */
|
if (tsec->output_section == NULL)
|
if (tsec->output_section == NULL)
|
continue;
|
continue;
|
|
|
roff = irel->r_offset;
|
roff = irel->r_offset;
|
|
|
/* If the branch is in range, no need to do anything. */
|
/* If the branch is in range, no need to do anything. */
|
if (tsec != bfd_und_section_ptr
|
if (tsec != bfd_und_section_ptr
|
&& (!link_info->relocatable
|
&& (!link_info->relocatable
|
/* A relocatable link may have sections moved during
|
/* A relocatable link may have sections moved during
|
final link, so do not presume they remain in range. */
|
final link, so do not presume they remain in range. */
|
|| tsec->output_section == isec->output_section))
|
|| tsec->output_section == isec->output_section))
|
{
|
{
|
bfd_vma symaddr, reladdr;
|
bfd_vma symaddr, reladdr;
|
|
|
symaddr = tsec->output_section->vma + tsec->output_offset + toff;
|
symaddr = tsec->output_section->vma + tsec->output_offset + toff;
|
reladdr = isec->output_section->vma + isec->output_offset + roff;
|
reladdr = isec->output_section->vma + isec->output_offset + roff;
|
if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
|
if (symaddr - reladdr + max_branch_offset < 2 * max_branch_offset)
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Look for an existing fixup to this address. */
|
/* Look for an existing fixup to this address. */
|
for (f = fixups; f ; f = f->next)
|
for (f = fixups; f ; f = f->next)
|
if (f->tsec == tsec && f->toff == toff)
|
if (f->tsec == tsec && f->toff == toff)
|
break;
|
break;
|
|
|
if (f == NULL)
|
if (f == NULL)
|
{
|
{
|
size_t size;
|
size_t size;
|
unsigned long stub_rtype;
|
unsigned long stub_rtype;
|
|
|
val = trampoff - roff;
|
val = trampoff - roff;
|
if (val >= max_branch_offset)
|
if (val >= max_branch_offset)
|
/* Oh dear, we can't reach a trampoline. Don't try to add
|
/* Oh dear, we can't reach a trampoline. Don't try to add
|
one. We'll report an error later. */
|
one. We'll report an error later. */
|
continue;
|
continue;
|
|
|
if (link_info->shared)
|
if (link_info->shared)
|
{
|
{
|
size = 4 * ARRAY_SIZE (shared_stub_entry);
|
size = 4 * ARRAY_SIZE (shared_stub_entry);
|
insn_offset = 12;
|
insn_offset = 12;
|
}
|
}
|
else
|
else
|
{
|
{
|
size = 4 * ARRAY_SIZE (stub_entry);
|
size = 4 * ARRAY_SIZE (stub_entry);
|
insn_offset = 0;
|
insn_offset = 0;
|
}
|
}
|
stub_rtype = R_PPC_RELAX;
|
stub_rtype = R_PPC_RELAX;
|
if (tsec == htab->plt
|
if (tsec == htab->plt
|
|| tsec == htab->glink)
|
|| tsec == htab->glink)
|
{
|
{
|
stub_rtype = R_PPC_RELAX_PLT;
|
stub_rtype = R_PPC_RELAX_PLT;
|
if (r_type == R_PPC_PLTREL24)
|
if (r_type == R_PPC_PLTREL24)
|
stub_rtype = R_PPC_RELAX_PLTREL24;
|
stub_rtype = R_PPC_RELAX_PLTREL24;
|
}
|
}
|
|
|
/* Hijack the old relocation. Since we need two
|
/* Hijack the old relocation. Since we need two
|
relocations for this use a "composite" reloc. */
|
relocations for this use a "composite" reloc. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
stub_rtype);
|
stub_rtype);
|
irel->r_offset = trampoff + insn_offset;
|
irel->r_offset = trampoff + insn_offset;
|
if (r_type == R_PPC_PLTREL24
|
if (r_type == R_PPC_PLTREL24
|
&& stub_rtype != R_PPC_RELAX_PLTREL24)
|
&& stub_rtype != R_PPC_RELAX_PLTREL24)
|
irel->r_addend = 0;
|
irel->r_addend = 0;
|
|
|
/* Record the fixup so we don't do it again this section. */
|
/* Record the fixup so we don't do it again this section. */
|
f = bfd_malloc (sizeof (*f));
|
f = bfd_malloc (sizeof (*f));
|
f->next = fixups;
|
f->next = fixups;
|
f->tsec = tsec;
|
f->tsec = tsec;
|
f->toff = toff;
|
f->toff = toff;
|
f->trampoff = trampoff;
|
f->trampoff = trampoff;
|
fixups = f;
|
fixups = f;
|
|
|
trampoff += size;
|
trampoff += size;
|
changes++;
|
changes++;
|
}
|
}
|
else
|
else
|
{
|
{
|
val = f->trampoff - roff;
|
val = f->trampoff - roff;
|
if (val >= max_branch_offset)
|
if (val >= max_branch_offset)
|
continue;
|
continue;
|
|
|
/* Nop out the reloc, since we're finalizing things here. */
|
/* Nop out the reloc, since we're finalizing things here. */
|
irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
|
irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
|
}
|
}
|
|
|
/* Get the section contents. */
|
/* Get the section contents. */
|
if (contents == NULL)
|
if (contents == NULL)
|
{
|
{
|
/* Get cached copy if it exists. */
|
/* Get cached copy if it exists. */
|
if (elf_section_data (isec)->this_hdr.contents != NULL)
|
if (elf_section_data (isec)->this_hdr.contents != NULL)
|
contents = elf_section_data (isec)->this_hdr.contents;
|
contents = elf_section_data (isec)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
/* Go get them off disk. */
|
/* Go get them off disk. */
|
if (!bfd_malloc_and_get_section (abfd, isec, &contents))
|
if (!bfd_malloc_and_get_section (abfd, isec, &contents))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
|
|
/* Fix up the existing branch to hit the trampoline. */
|
/* Fix up the existing branch to hit the trampoline. */
|
hit_addr = contents + roff;
|
hit_addr = contents + roff;
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_LOCAL24PC:
|
case R_PPC_LOCAL24PC:
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL24:
|
t0 = bfd_get_32 (abfd, hit_addr);
|
t0 = bfd_get_32 (abfd, hit_addr);
|
t0 &= ~0x3fffffc;
|
t0 &= ~0x3fffffc;
|
t0 |= val & 0x3fffffc;
|
t0 |= val & 0x3fffffc;
|
bfd_put_32 (abfd, t0, hit_addr);
|
bfd_put_32 (abfd, t0, hit_addr);
|
break;
|
break;
|
|
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
t0 = bfd_get_32 (abfd, hit_addr);
|
t0 = bfd_get_32 (abfd, hit_addr);
|
t0 &= ~0xfffc;
|
t0 &= ~0xfffc;
|
t0 |= val & 0xfffc;
|
t0 |= val & 0xfffc;
|
bfd_put_32 (abfd, t0, hit_addr);
|
bfd_put_32 (abfd, t0, hit_addr);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Write out the trampolines. */
|
/* Write out the trampolines. */
|
if (fixups != NULL)
|
if (fixups != NULL)
|
{
|
{
|
const int *stub;
|
const int *stub;
|
bfd_byte *dest;
|
bfd_byte *dest;
|
bfd_vma val;
|
bfd_vma val;
|
int i, size;
|
int i, size;
|
|
|
do
|
do
|
{
|
{
|
struct one_fixup *f = fixups;
|
struct one_fixup *f = fixups;
|
fixups = fixups->next;
|
fixups = fixups->next;
|
free (f);
|
free (f);
|
}
|
}
|
while (fixups);
|
while (fixups);
|
|
|
contents = bfd_realloc_or_free (contents, trampoff);
|
contents = bfd_realloc_or_free (contents, trampoff);
|
if (contents == NULL)
|
if (contents == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
isec->size = (isec->size + 3) & (bfd_vma) -4;
|
isec->size = (isec->size + 3) & (bfd_vma) -4;
|
/* Branch around the trampolines. */
|
/* Branch around the trampolines. */
|
val = B + trampoff - isec->size;
|
val = B + trampoff - isec->size;
|
dest = contents + isec->size;
|
dest = contents + isec->size;
|
isec->size = trampoff;
|
isec->size = trampoff;
|
bfd_put_32 (abfd, val, dest);
|
bfd_put_32 (abfd, val, dest);
|
dest += 4;
|
dest += 4;
|
|
|
if (link_info->shared)
|
if (link_info->shared)
|
{
|
{
|
stub = shared_stub_entry;
|
stub = shared_stub_entry;
|
size = ARRAY_SIZE (shared_stub_entry);
|
size = ARRAY_SIZE (shared_stub_entry);
|
}
|
}
|
else
|
else
|
{
|
{
|
stub = stub_entry;
|
stub = stub_entry;
|
size = ARRAY_SIZE (stub_entry);
|
size = ARRAY_SIZE (stub_entry);
|
}
|
}
|
|
|
i = 0;
|
i = 0;
|
while (dest < contents + trampoff)
|
while (dest < contents + trampoff)
|
{
|
{
|
bfd_put_32 (abfd, stub[i], dest);
|
bfd_put_32 (abfd, stub[i], dest);
|
i++;
|
i++;
|
if (i == size)
|
if (i == size)
|
i = 0;
|
i = 0;
|
dest += 4;
|
dest += 4;
|
}
|
}
|
BFD_ASSERT (i == 0);
|
BFD_ASSERT (i == 0);
|
}
|
}
|
|
|
if (isymbuf != NULL
|
if (isymbuf != NULL
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
&& symtab_hdr->contents != (unsigned char *) isymbuf)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (isymbuf);
|
free (isymbuf);
|
else
|
else
|
{
|
{
|
/* Cache the symbols for elf_link_input_bfd. */
|
/* Cache the symbols for elf_link_input_bfd. */
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
symtab_hdr->contents = (unsigned char *) isymbuf;
|
}
|
}
|
}
|
}
|
|
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (isec)->this_hdr.contents != contents)
|
&& elf_section_data (isec)->this_hdr.contents != contents)
|
{
|
{
|
if (!changes && !link_info->keep_memory)
|
if (!changes && !link_info->keep_memory)
|
free (contents);
|
free (contents);
|
else
|
else
|
{
|
{
|
/* Cache the section contents for elf_link_input_bfd. */
|
/* Cache the section contents for elf_link_input_bfd. */
|
elf_section_data (isec)->this_hdr.contents = contents;
|
elf_section_data (isec)->this_hdr.contents = contents;
|
}
|
}
|
}
|
}
|
|
|
if (changes != 0)
|
if (changes != 0)
|
{
|
{
|
/* Append sufficient NOP relocs so we can write out relocation
|
/* Append sufficient NOP relocs so we can write out relocation
|
information for the trampolines. */
|
information for the trampolines. */
|
Elf_Internal_Rela *new_relocs = bfd_malloc ((changes + isec->reloc_count)
|
Elf_Internal_Rela *new_relocs = bfd_malloc ((changes + isec->reloc_count)
|
* sizeof (*new_relocs));
|
* sizeof (*new_relocs));
|
unsigned ix;
|
unsigned ix;
|
|
|
if (!new_relocs)
|
if (!new_relocs)
|
goto error_return;
|
goto error_return;
|
memcpy (new_relocs, internal_relocs,
|
memcpy (new_relocs, internal_relocs,
|
isec->reloc_count * sizeof (*new_relocs));
|
isec->reloc_count * sizeof (*new_relocs));
|
for (ix = changes; ix--;)
|
for (ix = changes; ix--;)
|
{
|
{
|
irel = new_relocs + ix + isec->reloc_count;
|
irel = new_relocs + ix + isec->reloc_count;
|
|
|
irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
|
irel->r_info = ELF32_R_INFO (0, R_PPC_NONE);
|
}
|
}
|
if (internal_relocs != elf_section_data (isec)->relocs)
|
if (internal_relocs != elf_section_data (isec)->relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
elf_section_data (isec)->relocs = new_relocs;
|
elf_section_data (isec)->relocs = new_relocs;
|
isec->reloc_count += changes;
|
isec->reloc_count += changes;
|
elf_section_data (isec)->rel_hdr.sh_size
|
elf_section_data (isec)->rel_hdr.sh_size
|
+= changes * elf_section_data (isec)->rel_hdr.sh_entsize;
|
+= changes * elf_section_data (isec)->rel_hdr.sh_entsize;
|
}
|
}
|
else if (elf_section_data (isec)->relocs != internal_relocs)
|
else if (elf_section_data (isec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
|
|
*again = changes != 0;
|
*again = changes != 0;
|
if (!*again && link_info->relocatable)
|
if (!*again && link_info->relocatable)
|
{
|
{
|
/* Convert the internal relax relocs to external form. */
|
/* Convert the internal relax relocs to external form. */
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
if (ELF32_R_TYPE (irel->r_info) == R_PPC_RELAX)
|
if (ELF32_R_TYPE (irel->r_info) == R_PPC_RELAX)
|
{
|
{
|
unsigned long r_symndx = ELF32_R_SYM (irel->r_info);
|
unsigned long r_symndx = ELF32_R_SYM (irel->r_info);
|
|
|
/* Rewrite the reloc and convert one of the trailing nop
|
/* Rewrite the reloc and convert one of the trailing nop
|
relocs to describe this relocation. */
|
relocs to describe this relocation. */
|
BFD_ASSERT (ELF32_R_TYPE (irelend[-1].r_info) == R_PPC_NONE);
|
BFD_ASSERT (ELF32_R_TYPE (irelend[-1].r_info) == R_PPC_NONE);
|
/* The relocs are at the bottom 2 bytes */
|
/* The relocs are at the bottom 2 bytes */
|
irel[0].r_offset += 2;
|
irel[0].r_offset += 2;
|
memmove (irel + 1, irel, (irelend - irel - 1) * sizeof (*irel));
|
memmove (irel + 1, irel, (irelend - irel - 1) * sizeof (*irel));
|
irel[0].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_HA);
|
irel[0].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_HA);
|
irel[1].r_offset += 4;
|
irel[1].r_offset += 4;
|
irel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_LO);
|
irel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_LO);
|
irel++;
|
irel++;
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
|
|
error_return:
|
error_return:
|
if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
|
if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents)
|
free (isymbuf);
|
free (isymbuf);
|
if (contents != NULL
|
if (contents != NULL
|
&& elf_section_data (isec)->this_hdr.contents != contents)
|
&& elf_section_data (isec)->this_hdr.contents != contents)
|
free (contents);
|
free (contents);
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& elf_section_data (isec)->relocs != internal_relocs)
|
&& elf_section_data (isec)->relocs != internal_relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* What to do when ld finds relocations against symbols defined in
|
/* What to do when ld finds relocations against symbols defined in
|
discarded sections. */
|
discarded sections. */
|
|
|
static unsigned int
|
static unsigned int
|
ppc_elf_action_discarded (asection *sec)
|
ppc_elf_action_discarded (asection *sec)
|
{
|
{
|
if (strcmp (".fixup", sec->name) == 0)
|
if (strcmp (".fixup", sec->name) == 0)
|
return 0;
|
return 0;
|
|
|
if (strcmp (".got2", sec->name) == 0)
|
if (strcmp (".got2", sec->name) == 0)
|
return 0;
|
return 0;
|
|
|
return _bfd_elf_default_action_discarded (sec);
|
return _bfd_elf_default_action_discarded (sec);
|
}
|
}
|
|
|
/* Fill in the address for a pointer generated in a linker section. */
|
/* Fill in the address for a pointer generated in a linker section. */
|
|
|
static bfd_vma
|
static bfd_vma
|
elf_finish_pointer_linker_section (bfd *input_bfd,
|
elf_finish_pointer_linker_section (bfd *input_bfd,
|
elf_linker_section_t *lsect,
|
elf_linker_section_t *lsect,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
bfd_vma relocation,
|
bfd_vma relocation,
|
const Elf_Internal_Rela *rel)
|
const Elf_Internal_Rela *rel)
|
{
|
{
|
elf_linker_section_pointers_t *linker_section_ptr;
|
elf_linker_section_pointers_t *linker_section_ptr;
|
|
|
BFD_ASSERT (lsect != NULL);
|
BFD_ASSERT (lsect != NULL);
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
/* Handle global symbol. */
|
/* Handle global symbol. */
|
struct ppc_elf_link_hash_entry *eh;
|
struct ppc_elf_link_hash_entry *eh;
|
|
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
eh = (struct ppc_elf_link_hash_entry *) h;
|
BFD_ASSERT (eh->elf.def_regular);
|
BFD_ASSERT (eh->elf.def_regular);
|
linker_section_ptr = eh->linker_section_pointer;
|
linker_section_ptr = eh->linker_section_pointer;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Handle local symbol. */
|
/* Handle local symbol. */
|
unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
|
unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
BFD_ASSERT (is_ppc_elf (input_bfd));
|
BFD_ASSERT (is_ppc_elf (input_bfd));
|
BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
|
BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
|
linker_section_ptr = elf_local_ptr_offsets (input_bfd)[r_symndx];
|
linker_section_ptr = elf_local_ptr_offsets (input_bfd)[r_symndx];
|
}
|
}
|
|
|
linker_section_ptr = elf_find_pointer_linker_section (linker_section_ptr,
|
linker_section_ptr = elf_find_pointer_linker_section (linker_section_ptr,
|
rel->r_addend,
|
rel->r_addend,
|
lsect);
|
lsect);
|
BFD_ASSERT (linker_section_ptr != NULL);
|
BFD_ASSERT (linker_section_ptr != NULL);
|
|
|
/* Offset will always be a multiple of four, so use the bottom bit
|
/* Offset will always be a multiple of four, so use the bottom bit
|
as a "written" flag. */
|
as a "written" flag. */
|
if ((linker_section_ptr->offset & 1) == 0)
|
if ((linker_section_ptr->offset & 1) == 0)
|
{
|
{
|
bfd_put_32 (lsect->section->owner,
|
bfd_put_32 (lsect->section->owner,
|
relocation + linker_section_ptr->addend,
|
relocation + linker_section_ptr->addend,
|
lsect->section->contents + linker_section_ptr->offset);
|
lsect->section->contents + linker_section_ptr->offset);
|
linker_section_ptr->offset += 1;
|
linker_section_ptr->offset += 1;
|
}
|
}
|
|
|
relocation = (lsect->section->output_section->vma
|
relocation = (lsect->section->output_section->vma
|
+ lsect->section->output_offset
|
+ lsect->section->output_offset
|
+ linker_section_ptr->offset - 1
|
+ linker_section_ptr->offset - 1
|
- SYM_VAL (lsect->sym));
|
- SYM_VAL (lsect->sym));
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
|
"Finish pointer in linker section %s, offset = %ld (0x%lx)\n",
|
lsect->name, (long) relocation, (long) relocation);
|
lsect->name, (long) relocation, (long) relocation);
|
#endif
|
#endif
|
|
|
return relocation;
|
return relocation;
|
}
|
}
|
|
|
#define PPC_LO(v) ((v) & 0xffff)
|
#define PPC_LO(v) ((v) & 0xffff)
|
#define PPC_HI(v) (((v) >> 16) & 0xffff)
|
#define PPC_HI(v) (((v) >> 16) & 0xffff)
|
#define PPC_HA(v) PPC_HI ((v) + 0x8000)
|
#define PPC_HA(v) PPC_HI ((v) + 0x8000)
|
|
|
static void
|
static void
|
write_glink_stub (struct plt_entry *ent, asection *plt_sec, unsigned char *p,
|
write_glink_stub (struct plt_entry *ent, asection *plt_sec, unsigned char *p,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
struct ppc_elf_link_hash_table *htab = ppc_elf_hash_table (info);
|
bfd *output_bfd = info->output_bfd;
|
bfd *output_bfd = info->output_bfd;
|
bfd_vma plt;
|
bfd_vma plt;
|
|
|
plt = ((ent->plt.offset & ~1)
|
plt = ((ent->plt.offset & ~1)
|
+ plt_sec->output_section->vma
|
+ plt_sec->output_section->vma
|
+ plt_sec->output_offset);
|
+ plt_sec->output_offset);
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bfd_vma got = 0;
|
bfd_vma got = 0;
|
|
|
if (ent->addend >= 32768)
|
if (ent->addend >= 32768)
|
got = (ent->addend
|
got = (ent->addend
|
+ ent->sec->output_section->vma
|
+ ent->sec->output_section->vma
|
+ ent->sec->output_offset);
|
+ ent->sec->output_offset);
|
else if (htab->elf.hgot != NULL)
|
else if (htab->elf.hgot != NULL)
|
got = SYM_VAL (htab->elf.hgot);
|
got = SYM_VAL (htab->elf.hgot);
|
|
|
plt -= got;
|
plt -= got;
|
|
|
if (plt + 0x8000 < 0x10000)
|
if (plt + 0x8000 < 0x10000)
|
{
|
{
|
bfd_put_32 (output_bfd, LWZ_11_30 + PPC_LO (plt), p);
|
bfd_put_32 (output_bfd, LWZ_11_30 + PPC_LO (plt), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, BCTR, p);
|
bfd_put_32 (output_bfd, BCTR, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, NOP, p);
|
bfd_put_32 (output_bfd, NOP, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, ADDIS_11_30 + PPC_HA (plt), p);
|
bfd_put_32 (output_bfd, ADDIS_11_30 + PPC_HA (plt), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
|
bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, BCTR, p);
|
bfd_put_32 (output_bfd, BCTR, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, LIS_11 + PPC_HA (plt), p);
|
bfd_put_32 (output_bfd, LIS_11 + PPC_HA (plt), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
|
bfd_put_32 (output_bfd, LWZ_11_11 + PPC_LO (plt), p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
bfd_put_32 (output_bfd, MTCTR_11, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, BCTR, p);
|
bfd_put_32 (output_bfd, BCTR, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
}
|
}
|
|
|
/* Return true if symbol is defined statically. */
|
/* Return true if symbol is defined statically. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
is_static_defined (struct elf_link_hash_entry *h)
|
is_static_defined (struct elf_link_hash_entry *h)
|
{
|
{
|
return ((h->root.type == bfd_link_hash_defined
|
return ((h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
&& h->root.u.def.section != NULL
|
&& h->root.u.def.section != NULL
|
&& h->root.u.def.section->output_section != NULL);
|
&& h->root.u.def.section->output_section != NULL);
|
}
|
}
|
|
|
/* If INSN is an opcode that may be used with an @tls operand, return
|
/* If INSN is an opcode that may be used with an @tls operand, return
|
the transformed insn for TLS optimisation, otherwise return 0. If
|
the transformed insn for TLS optimisation, otherwise return 0. If
|
REG is non-zero only match an insn with RB or RA equal to REG. */
|
REG is non-zero only match an insn with RB or RA equal to REG. */
|
|
|
unsigned int
|
unsigned int
|
_bfd_elf_ppc_at_tls_transform (unsigned int insn, unsigned int reg)
|
_bfd_elf_ppc_at_tls_transform (unsigned int insn, unsigned int reg)
|
{
|
{
|
unsigned int rtra;
|
unsigned int rtra;
|
|
|
if ((insn & (0x3f << 26)) != 31 << 26)
|
if ((insn & (0x3f << 26)) != 31 << 26)
|
return 0;
|
return 0;
|
|
|
if (reg == 0 || ((insn >> 11) & 0x1f) == reg)
|
if (reg == 0 || ((insn >> 11) & 0x1f) == reg)
|
rtra = insn & ((1 << 26) - (1 << 16));
|
rtra = insn & ((1 << 26) - (1 << 16));
|
else if (((insn >> 16) & 0x1f) == reg)
|
else if (((insn >> 16) & 0x1f) == reg)
|
rtra = (insn & (0x1f << 21)) | ((insn & (0x1f << 11)) << 5);
|
rtra = (insn & (0x1f << 21)) | ((insn & (0x1f << 11)) << 5);
|
else
|
else
|
return 0;
|
return 0;
|
|
|
if ((insn & (0x3ff << 1)) == 266 << 1)
|
if ((insn & (0x3ff << 1)) == 266 << 1)
|
/* add -> addi. */
|
/* add -> addi. */
|
insn = 14 << 26;
|
insn = 14 << 26;
|
else if ((insn & (0x1f << 1)) == 23 << 1
|
else if ((insn & (0x1f << 1)) == 23 << 1
|
&& ((insn & (0x1f << 6)) < 14 << 6
|
&& ((insn & (0x1f << 6)) < 14 << 6
|
|| ((insn & (0x1f << 6)) >= 16 << 6
|
|| ((insn & (0x1f << 6)) >= 16 << 6
|
&& (insn & (0x1f << 6)) < 24 << 6)))
|
&& (insn & (0x1f << 6)) < 24 << 6)))
|
/* load and store indexed -> dform. */
|
/* load and store indexed -> dform. */
|
insn = (32 | ((insn >> 6) & 0x1f)) << 26;
|
insn = (32 | ((insn >> 6) & 0x1f)) << 26;
|
else if ((insn & (((0x1a << 5) | 0x1f) << 1)) == 21 << 1)
|
else if ((insn & (((0x1a << 5) | 0x1f) << 1)) == 21 << 1)
|
/* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
|
/* ldx, ldux, stdx, stdux -> ld, ldu, std, stdu. */
|
insn = ((58 | ((insn >> 6) & 4)) << 26) | ((insn >> 6) & 1);
|
insn = ((58 | ((insn >> 6) & 4)) << 26) | ((insn >> 6) & 1);
|
else if ((insn & (((0x1f << 5) | 0x1f) << 1)) == 341 << 1)
|
else if ((insn & (((0x1f << 5) | 0x1f) << 1)) == 341 << 1)
|
/* lwax -> lwa. */
|
/* lwax -> lwa. */
|
insn = (58 << 26) | 2;
|
insn = (58 << 26) | 2;
|
else
|
else
|
return 0;
|
return 0;
|
insn |= rtra;
|
insn |= rtra;
|
return insn;
|
return insn;
|
}
|
}
|
|
|
/* If INSN is an opcode that may be used with an @tprel operand, return
|
/* If INSN is an opcode that may be used with an @tprel operand, return
|
the transformed insn for an undefined weak symbol, ie. with the
|
the transformed insn for an undefined weak symbol, ie. with the
|
thread pointer REG operand removed. Otherwise return 0. */
|
thread pointer REG operand removed. Otherwise return 0. */
|
|
|
unsigned int
|
unsigned int
|
_bfd_elf_ppc_at_tprel_transform (unsigned int insn, unsigned int reg)
|
_bfd_elf_ppc_at_tprel_transform (unsigned int insn, unsigned int reg)
|
{
|
{
|
if ((insn & (0x1f << 16)) == reg << 16
|
if ((insn & (0x1f << 16)) == reg << 16
|
&& ((insn & (0x3f << 26)) == 14u << 26 /* addi */
|
&& ((insn & (0x3f << 26)) == 14u << 26 /* addi */
|
|| (insn & (0x3f << 26)) == 15u << 26 /* addis */
|
|| (insn & (0x3f << 26)) == 15u << 26 /* addis */
|
|| (insn & (0x3f << 26)) == 32u << 26 /* lwz */
|
|| (insn & (0x3f << 26)) == 32u << 26 /* lwz */
|
|| (insn & (0x3f << 26)) == 34u << 26 /* lbz */
|
|| (insn & (0x3f << 26)) == 34u << 26 /* lbz */
|
|| (insn & (0x3f << 26)) == 36u << 26 /* stw */
|
|| (insn & (0x3f << 26)) == 36u << 26 /* stw */
|
|| (insn & (0x3f << 26)) == 38u << 26 /* stb */
|
|| (insn & (0x3f << 26)) == 38u << 26 /* stb */
|
|| (insn & (0x3f << 26)) == 40u << 26 /* lhz */
|
|| (insn & (0x3f << 26)) == 40u << 26 /* lhz */
|
|| (insn & (0x3f << 26)) == 42u << 26 /* lha */
|
|| (insn & (0x3f << 26)) == 42u << 26 /* lha */
|
|| (insn & (0x3f << 26)) == 44u << 26 /* sth */
|
|| (insn & (0x3f << 26)) == 44u << 26 /* sth */
|
|| (insn & (0x3f << 26)) == 46u << 26 /* lmw */
|
|| (insn & (0x3f << 26)) == 46u << 26 /* lmw */
|
|| (insn & (0x3f << 26)) == 47u << 26 /* stmw */
|
|| (insn & (0x3f << 26)) == 47u << 26 /* stmw */
|
|| (insn & (0x3f << 26)) == 48u << 26 /* lfs */
|
|| (insn & (0x3f << 26)) == 48u << 26 /* lfs */
|
|| (insn & (0x3f << 26)) == 50u << 26 /* lfd */
|
|| (insn & (0x3f << 26)) == 50u << 26 /* lfd */
|
|| (insn & (0x3f << 26)) == 52u << 26 /* stfs */
|
|| (insn & (0x3f << 26)) == 52u << 26 /* stfs */
|
|| (insn & (0x3f << 26)) == 54u << 26 /* stfd */
|
|| (insn & (0x3f << 26)) == 54u << 26 /* stfd */
|
|| ((insn & (0x3f << 26)) == 58u << 26 /* lwa,ld,lmd */
|
|| ((insn & (0x3f << 26)) == 58u << 26 /* lwa,ld,lmd */
|
&& (insn & 3) != 1)
|
&& (insn & 3) != 1)
|
|| ((insn & (0x3f << 26)) == 62u << 26 /* std, stmd */
|
|| ((insn & (0x3f << 26)) == 62u << 26 /* std, stmd */
|
&& ((insn & 3) == 0 || (insn & 3) == 3))))
|
&& ((insn & 3) == 0 || (insn & 3) == 3))))
|
{
|
{
|
insn &= ~(0x1f << 16);
|
insn &= ~(0x1f << 16);
|
}
|
}
|
else if ((insn & (0x1f << 21)) == reg << 21
|
else if ((insn & (0x1f << 21)) == reg << 21
|
&& ((insn & (0x3e << 26)) == 24u << 26 /* ori, oris */
|
&& ((insn & (0x3e << 26)) == 24u << 26 /* ori, oris */
|
|| (insn & (0x3e << 26)) == 26u << 26 /* xori,xoris */
|
|| (insn & (0x3e << 26)) == 26u << 26 /* xori,xoris */
|
|| (insn & (0x3e << 26)) == 28u << 26 /* andi,andis */))
|
|| (insn & (0x3e << 26)) == 28u << 26 /* andi,andis */))
|
{
|
{
|
insn &= ~(0x1f << 21);
|
insn &= ~(0x1f << 21);
|
insn |= (insn & (0x1f << 16)) << 5;
|
insn |= (insn & (0x1f << 16)) << 5;
|
if ((insn & (0x3e << 26)) == 26 << 26 /* xori,xoris */)
|
if ((insn & (0x3e << 26)) == 26 << 26 /* xori,xoris */)
|
insn -= 2 >> 26; /* convert to ori,oris */
|
insn -= 2 >> 26; /* convert to ori,oris */
|
}
|
}
|
else
|
else
|
insn = 0;
|
insn = 0;
|
return insn;
|
return insn;
|
}
|
}
|
|
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
to handle the relocations for a section.
|
to handle the relocations for a section.
|
|
|
The relocs are always passed as Rela structures; if the section
|
The relocs are always passed as Rela structures; if the section
|
actually uses Rel structures, the r_addend field will always be
|
actually uses Rel structures, the r_addend field will always be
|
zero.
|
zero.
|
|
|
This function is responsible for adjust the section contents as
|
This function is responsible for adjust the section contents as
|
necessary, and (if using Rela relocs and generating a
|
necessary, and (if using Rela relocs and generating a
|
relocatable output file) adjusting the reloc addend as
|
relocatable output file) adjusting the reloc addend as
|
necessary.
|
necessary.
|
|
|
This function does not have to worry about setting the reloc
|
This function does not have to worry about setting the reloc
|
address or the reloc symbol index.
|
address or the reloc symbol index.
|
|
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
|
|
LOCAL_SECTIONS is an array giving the section in the input file
|
LOCAL_SECTIONS is an array giving the section in the input file
|
corresponding to the st_shndx field of each local symbol.
|
corresponding to the st_shndx field of each local symbol.
|
|
|
The global hash table entry for the global symbols can be found
|
The global hash table entry for the global symbols can be found
|
via elf_sym_hashes (input_bfd).
|
via elf_sym_hashes (input_bfd).
|
|
|
When generating relocatable output, this function must handle
|
When generating relocatable output, this function must handle
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
going to be the section symbol corresponding to the output
|
going to be the section symbol corresponding to the output
|
section, which means that the addend must be adjusted
|
section, which means that the addend must be adjusted
|
accordingly. */
|
accordingly. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_relocate_section (bfd *output_bfd,
|
ppc_elf_relocate_section (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd *input_bfd,
|
bfd *input_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_byte *contents,
|
bfd_byte *contents,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
asection *got2, *sreloc = NULL;
|
asection *got2, *sreloc = NULL;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
bfd_boolean ret = TRUE;
|
bfd_boolean ret = TRUE;
|
bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);
|
bfd_vma d_offset = (bfd_big_endian (output_bfd) ? 2 : 0);
|
bfd_boolean is_vxworks_tls;
|
bfd_boolean is_vxworks_tls;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
_bfd_error_handler ("ppc_elf_relocate_section called for %B section %A, "
|
_bfd_error_handler ("ppc_elf_relocate_section called for %B section %A, "
|
"%ld relocations%s",
|
"%ld relocations%s",
|
input_bfd, input_section,
|
input_bfd, input_section,
|
(long) input_section->reloc_count,
|
(long) input_section->reloc_count,
|
(info->relocatable) ? " (relocatable)" : "");
|
(info->relocatable) ? " (relocatable)" : "");
|
#endif
|
#endif
|
|
|
got2 = bfd_get_section_by_name (input_bfd, ".got2");
|
got2 = bfd_get_section_by_name (input_bfd, ".got2");
|
|
|
/* Initialize howto table if not already done. */
|
/* Initialize howto table if not already done. */
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
if (!ppc_elf_howto_table[R_PPC_ADDR32])
|
ppc_elf_howto_init ();
|
ppc_elf_howto_init ();
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
/* We have to handle relocations in vxworks .tls_vars sections
|
/* We have to handle relocations in vxworks .tls_vars sections
|
specially, because the dynamic loader is 'weird'. */
|
specially, because the dynamic loader is 'weird'. */
|
is_vxworks_tls = (htab->is_vxworks && info->shared
|
is_vxworks_tls = (htab->is_vxworks && info->shared
|
&& !strcmp (input_section->output_section->name,
|
&& !strcmp (input_section->output_section->name,
|
".tls_vars"));
|
".tls_vars"));
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
enum elf_ppc_reloc_type r_type;
|
enum elf_ppc_reloc_type r_type;
|
bfd_vma addend;
|
bfd_vma addend;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
const char *sym_name;
|
const char *sym_name;
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_vma branch_bit, from;
|
bfd_vma branch_bit, from;
|
bfd_boolean unresolved_reloc;
|
bfd_boolean unresolved_reloc;
|
bfd_boolean warned;
|
bfd_boolean warned;
|
unsigned int tls_type, tls_mask, tls_gd;
|
unsigned int tls_type, tls_mask, tls_gd;
|
struct plt_entry **ifunc;
|
struct plt_entry **ifunc;
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
sym = NULL;
|
sym = NULL;
|
sec = NULL;
|
sec = NULL;
|
h = NULL;
|
h = NULL;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
warned = FALSE;
|
warned = FALSE;
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
|
sym_name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
|
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
|
}
|
}
|
else
|
else
|
{
|
{
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
r_symndx, symtab_hdr, sym_hashes,
|
r_symndx, symtab_hdr, sym_hashes,
|
h, sec, relocation,
|
h, sec, relocation,
|
unresolved_reloc, warned);
|
unresolved_reloc, warned);
|
|
|
sym_name = h->root.root.string;
|
sym_name = h->root.root.string;
|
}
|
}
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
if (sec != NULL && elf_discarded_section (sec))
|
{
|
{
|
/* For relocs against symbols from removed linkonce sections,
|
/* For relocs against symbols from removed linkonce sections,
|
or sections discarded by a linker script, we just want the
|
or sections discarded by a linker script, we just want the
|
section contents zeroed. Avoid any special processing. */
|
section contents zeroed. Avoid any special processing. */
|
howto = NULL;
|
howto = NULL;
|
if (r_type < R_PPC_max)
|
if (r_type < R_PPC_max)
|
howto = ppc_elf_howto_table[r_type];
|
howto = ppc_elf_howto_table[r_type];
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
rel->r_info = 0;
|
rel->r_info = 0;
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
{
|
{
|
if (got2 != NULL
|
if (got2 != NULL
|
&& r_type == R_PPC_PLTREL24
|
&& r_type == R_PPC_PLTREL24
|
&& rel->r_addend >= 32768)
|
&& rel->r_addend >= 32768)
|
{
|
{
|
/* R_PPC_PLTREL24 is rather special. If non-zero, the
|
/* R_PPC_PLTREL24 is rather special. If non-zero, the
|
addend specifies the GOT pointer offset within .got2. */
|
addend specifies the GOT pointer offset within .got2. */
|
rel->r_addend += got2->output_offset;
|
rel->r_addend += got2->output_offset;
|
}
|
}
|
continue;
|
continue;
|
}
|
}
|
|
|
/* TLS optimizations. Replace instruction sequences and relocs
|
/* TLS optimizations. Replace instruction sequences and relocs
|
based on information we collected in tls_optimize. We edit
|
based on information we collected in tls_optimize. We edit
|
RELOCS so that --emit-relocs will output something sensible
|
RELOCS so that --emit-relocs will output something sensible
|
for the final instruction stream. */
|
for the final instruction stream. */
|
tls_mask = 0;
|
tls_mask = 0;
|
tls_gd = 0;
|
tls_gd = 0;
|
if (h != NULL)
|
if (h != NULL)
|
tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
|
tls_mask = ((struct ppc_elf_link_hash_entry *) h)->tls_mask;
|
else if (local_got_offsets != NULL)
|
else if (local_got_offsets != NULL)
|
{
|
{
|
struct plt_entry **local_plt;
|
struct plt_entry **local_plt;
|
char *lgot_masks;
|
char *lgot_masks;
|
local_plt
|
local_plt
|
= (struct plt_entry **) (local_got_offsets + symtab_hdr->sh_info);
|
= (struct plt_entry **) (local_got_offsets + symtab_hdr->sh_info);
|
lgot_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
lgot_masks = (char *) (local_plt + symtab_hdr->sh_info);
|
tls_mask = lgot_masks[r_symndx];
|
tls_mask = lgot_masks[r_symndx];
|
}
|
}
|
|
|
/* Ensure reloc mapping code below stays sane. */
|
/* Ensure reloc mapping code below stays sane. */
|
if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3)
|
if ((R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TLSGD16 & 3)
|
|| (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
|
|| (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TLSGD16_LO & 3)
|
|| (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
|
|| (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TLSGD16_HI & 3)
|
|| (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
|
|| (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TLSGD16_HA & 3)
|
|| (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3)
|
|| (R_PPC_GOT_TLSLD16 & 3) != (R_PPC_GOT_TPREL16 & 3)
|
|| (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
|
|| (R_PPC_GOT_TLSLD16_LO & 3) != (R_PPC_GOT_TPREL16_LO & 3)
|
|| (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
|
|| (R_PPC_GOT_TLSLD16_HI & 3) != (R_PPC_GOT_TPREL16_HI & 3)
|
|| (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
|
|| (R_PPC_GOT_TLSLD16_HA & 3) != (R_PPC_GOT_TPREL16_HA & 3))
|
abort ();
|
abort ();
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_LO:
|
if ((tls_mask & TLS_TLS) != 0
|
if ((tls_mask & TLS_TLS) != 0
|
&& (tls_mask & TLS_TPREL) == 0)
|
&& (tls_mask & TLS_TPREL) == 0)
|
{
|
{
|
bfd_vma insn;
|
bfd_vma insn;
|
|
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset - d_offset);
|
insn &= 31 << 21;
|
insn &= 31 << 21;
|
insn |= 0x3c020000; /* addis 0,2,0 */
|
insn |= 0x3c020000; /* addis 0,2,0 */
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset - d_offset);
|
r_type = R_PPC_TPREL16_HA;
|
r_type = R_PPC_TPREL16_HA;
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_TLS:
|
case R_PPC_TLS:
|
if ((tls_mask & TLS_TLS) != 0
|
if ((tls_mask & TLS_TLS) != 0
|
&& (tls_mask & TLS_TPREL) == 0)
|
&& (tls_mask & TLS_TPREL) == 0)
|
{
|
{
|
bfd_vma insn;
|
bfd_vma insn;
|
|
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = _bfd_elf_ppc_at_tls_transform (insn, 2);
|
insn = _bfd_elf_ppc_at_tls_transform (insn, 2);
|
if (insn == 0)
|
if (insn == 0)
|
abort ();
|
abort ();
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
r_type = R_PPC_TPREL16_LO;
|
r_type = R_PPC_TPREL16_LO;
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
|
|
/* Was PPC_TLS which sits on insn boundary, now
|
/* Was PPC_TLS which sits on insn boundary, now
|
PPC_TPREL16_LO which is at low-order half-word. */
|
PPC_TPREL16_LO which is at low-order half-word. */
|
rel->r_offset += d_offset;
|
rel->r_offset += d_offset;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
tls_gd = TLS_TPRELGD;
|
tls_gd = TLS_TPRELGD;
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
goto tls_gdld_hi;
|
goto tls_gdld_hi;
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
{
|
{
|
tls_gdld_hi:
|
tls_gdld_hi:
|
if ((tls_mask & tls_gd) != 0)
|
if ((tls_mask & tls_gd) != 0)
|
r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
|
r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
|
+ R_PPC_GOT_TPREL16);
|
+ R_PPC_GOT_TPREL16);
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
|
rel->r_offset -= d_offset;
|
rel->r_offset -= d_offset;
|
r_type = R_PPC_NONE;
|
r_type = R_PPC_NONE;
|
}
|
}
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_LO:
|
tls_gd = TLS_TPRELGD;
|
tls_gd = TLS_TPRELGD;
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
goto tls_ldgd_opt;
|
goto tls_ldgd_opt;
|
break;
|
break;
|
|
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_LO:
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
{
|
{
|
unsigned int insn1, insn2;
|
unsigned int insn1, insn2;
|
bfd_vma offset;
|
bfd_vma offset;
|
|
|
tls_ldgd_opt:
|
tls_ldgd_opt:
|
offset = (bfd_vma) -1;
|
offset = (bfd_vma) -1;
|
/* If not using the newer R_PPC_TLSGD/LD to mark
|
/* If not using the newer R_PPC_TLSGD/LD to mark
|
__tls_get_addr calls, we must trust that the call
|
__tls_get_addr calls, we must trust that the call
|
stays with its arg setup insns, ie. that the next
|
stays with its arg setup insns, ie. that the next
|
reloc is the __tls_get_addr call associated with
|
reloc is the __tls_get_addr call associated with
|
the current reloc. Edit both insns. */
|
the current reloc. Edit both insns. */
|
if (input_section->has_tls_get_addr_call
|
if (input_section->has_tls_get_addr_call
|
&& rel + 1 < relend
|
&& rel + 1 < relend
|
&& branch_reloc_hash_match (input_bfd, rel + 1,
|
&& branch_reloc_hash_match (input_bfd, rel + 1,
|
htab->tls_get_addr))
|
htab->tls_get_addr))
|
offset = rel[1].r_offset;
|
offset = rel[1].r_offset;
|
if ((tls_mask & tls_gd) != 0)
|
if ((tls_mask & tls_gd) != 0)
|
{
|
{
|
/* IE */
|
/* IE */
|
insn1 = bfd_get_32 (output_bfd,
|
insn1 = bfd_get_32 (output_bfd,
|
contents + rel->r_offset - d_offset);
|
contents + rel->r_offset - d_offset);
|
insn1 &= (1 << 26) - 1;
|
insn1 &= (1 << 26) - 1;
|
insn1 |= 32 << 26; /* lwz */
|
insn1 |= 32 << 26; /* lwz */
|
if (offset != (bfd_vma) -1)
|
if (offset != (bfd_vma) -1)
|
{
|
{
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
insn2 = 0x7c631214; /* add 3,3,2 */
|
insn2 = 0x7c631214; /* add 3,3,2 */
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
}
|
}
|
r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
|
r_type = (((r_type - (R_PPC_GOT_TLSGD16 & 3)) & 3)
|
+ R_PPC_GOT_TPREL16);
|
+ R_PPC_GOT_TPREL16);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* LE */
|
/* LE */
|
insn1 = 0x3c620000; /* addis 3,2,0 */
|
insn1 = 0x3c620000; /* addis 3,2,0 */
|
if (tls_gd == 0)
|
if (tls_gd == 0)
|
{
|
{
|
/* Was an LD reloc. */
|
/* Was an LD reloc. */
|
for (r_symndx = 0;
|
for (r_symndx = 0;
|
r_symndx < symtab_hdr->sh_info;
|
r_symndx < symtab_hdr->sh_info;
|
r_symndx++)
|
r_symndx++)
|
if (local_sections[r_symndx] == sec)
|
if (local_sections[r_symndx] == sec)
|
break;
|
break;
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
r_symndx = 0;
|
r_symndx = 0;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
if (r_symndx != 0)
|
if (r_symndx != 0)
|
rel->r_addend -= (local_syms[r_symndx].st_value
|
rel->r_addend -= (local_syms[r_symndx].st_value
|
+ sec->output_offset
|
+ sec->output_offset
|
+ sec->output_section->vma);
|
+ sec->output_section->vma);
|
}
|
}
|
r_type = R_PPC_TPREL16_HA;
|
r_type = R_PPC_TPREL16_HA;
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
if (offset != (bfd_vma) -1)
|
if (offset != (bfd_vma) -1)
|
{
|
{
|
rel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_TPREL16_LO);
|
rel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_TPREL16_LO);
|
rel[1].r_offset = offset + d_offset;
|
rel[1].r_offset = offset + d_offset;
|
rel[1].r_addend = rel->r_addend;
|
rel[1].r_addend = rel->r_addend;
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
}
|
}
|
}
|
}
|
bfd_put_32 (output_bfd, insn1,
|
bfd_put_32 (output_bfd, insn1,
|
contents + rel->r_offset - d_offset);
|
contents + rel->r_offset - d_offset);
|
if (tls_gd == 0)
|
if (tls_gd == 0)
|
{
|
{
|
/* We changed the symbol on an LD reloc. Start over
|
/* We changed the symbol on an LD reloc. Start over
|
in order to get h, sym, sec etc. right. */
|
in order to get h, sym, sec etc. right. */
|
rel--;
|
rel--;
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_TLSGD:
|
case R_PPC_TLSGD:
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_GD) == 0)
|
{
|
{
|
unsigned int insn2;
|
unsigned int insn2;
|
bfd_vma offset = rel->r_offset;
|
bfd_vma offset = rel->r_offset;
|
|
|
if ((tls_mask & TLS_TPRELGD) != 0)
|
if ((tls_mask & TLS_TPRELGD) != 0)
|
{
|
{
|
/* IE */
|
/* IE */
|
r_type = R_PPC_NONE;
|
r_type = R_PPC_NONE;
|
insn2 = 0x7c631214; /* add 3,3,2 */
|
insn2 = 0x7c631214; /* add 3,3,2 */
|
}
|
}
|
else
|
else
|
{
|
{
|
/* LE */
|
/* LE */
|
r_type = R_PPC_TPREL16_LO;
|
r_type = R_PPC_TPREL16_LO;
|
rel->r_offset += d_offset;
|
rel->r_offset += d_offset;
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
}
|
}
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
rel->r_info = ELF32_R_INFO (r_symndx, r_type);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
bfd_put_32 (output_bfd, insn2, contents + offset);
|
/* Zap the reloc on the _tls_get_addr call too. */
|
/* Zap the reloc on the _tls_get_addr call too. */
|
BFD_ASSERT (offset == rel[1].r_offset);
|
BFD_ASSERT (offset == rel[1].r_offset);
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_TLSLD:
|
case R_PPC_TLSLD:
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
if ((tls_mask & TLS_TLS) != 0 && (tls_mask & TLS_LD) == 0)
|
{
|
{
|
unsigned int insn2;
|
unsigned int insn2;
|
|
|
for (r_symndx = 0;
|
for (r_symndx = 0;
|
r_symndx < symtab_hdr->sh_info;
|
r_symndx < symtab_hdr->sh_info;
|
r_symndx++)
|
r_symndx++)
|
if (local_sections[r_symndx] == sec)
|
if (local_sections[r_symndx] == sec)
|
break;
|
break;
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
r_symndx = 0;
|
r_symndx = 0;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
rel->r_addend = htab->elf.tls_sec->vma + DTP_OFFSET;
|
if (r_symndx != 0)
|
if (r_symndx != 0)
|
rel->r_addend -= (local_syms[r_symndx].st_value
|
rel->r_addend -= (local_syms[r_symndx].st_value
|
+ sec->output_offset
|
+ sec->output_offset
|
+ sec->output_section->vma);
|
+ sec->output_section->vma);
|
|
|
rel->r_info = ELF32_R_INFO (r_symndx, R_PPC_TPREL16_LO);
|
rel->r_info = ELF32_R_INFO (r_symndx, R_PPC_TPREL16_LO);
|
rel->r_offset += d_offset;
|
rel->r_offset += d_offset;
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
insn2 = 0x38630000; /* addi 3,3,0 */
|
bfd_put_32 (output_bfd, insn2,
|
bfd_put_32 (output_bfd, insn2,
|
contents + rel->r_offset - d_offset);
|
contents + rel->r_offset - d_offset);
|
/* Zap the reloc on the _tls_get_addr call too. */
|
/* Zap the reloc on the _tls_get_addr call too. */
|
BFD_ASSERT (rel->r_offset - d_offset == rel[1].r_offset);
|
BFD_ASSERT (rel->r_offset - d_offset == rel[1].r_offset);
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
rel[1].r_info = ELF32_R_INFO (STN_UNDEF, R_PPC_NONE);
|
rel--;
|
rel--;
|
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
/* Handle other relocations that tweak non-addend part of insn. */
|
/* Handle other relocations that tweak non-addend part of insn. */
|
branch_bit = 0;
|
branch_bit = 0;
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
/* Branch taken prediction relocations. */
|
/* Branch taken prediction relocations. */
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
branch_bit = BRANCH_PREDICT_BIT;
|
branch_bit = BRANCH_PREDICT_BIT;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
/* Branch not taken prediction relocations. */
|
/* Branch not taken prediction relocations. */
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
{
|
{
|
bfd_vma insn;
|
bfd_vma insn;
|
|
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn &= ~BRANCH_PREDICT_BIT;
|
insn &= ~BRANCH_PREDICT_BIT;
|
insn |= branch_bit;
|
insn |= branch_bit;
|
|
|
from = (rel->r_offset
|
from = (rel->r_offset
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ input_section->output_section->vma);
|
+ input_section->output_section->vma);
|
|
|
/* Invert 'y' bit if not the default. */
|
/* Invert 'y' bit if not the default. */
|
if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
|
if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0)
|
insn ^= BRANCH_PREDICT_BIT;
|
insn ^= BRANCH_PREDICT_BIT;
|
|
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
ifunc = NULL;
|
ifunc = NULL;
|
if (!htab->is_vxworks)
|
if (!htab->is_vxworks)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
if (h->type == STT_GNU_IFUNC)
|
if (h->type == STT_GNU_IFUNC)
|
ifunc = &h->plt.plist;
|
ifunc = &h->plt.plist;
|
}
|
}
|
else if (local_got_offsets != NULL
|
else if (local_got_offsets != NULL
|
&& ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
&& ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
{
|
{
|
struct plt_entry **local_plt;
|
struct plt_entry **local_plt;
|
|
|
local_plt = (struct plt_entry **) (local_got_offsets
|
local_plt = (struct plt_entry **) (local_got_offsets
|
+ symtab_hdr->sh_info);
|
+ symtab_hdr->sh_info);
|
ifunc = local_plt + r_symndx;
|
ifunc = local_plt + r_symndx;
|
}
|
}
|
|
|
ent = NULL;
|
ent = NULL;
|
if (ifunc != NULL
|
if (ifunc != NULL
|
&& (!info->shared
|
&& (!info->shared
|
|| is_branch_reloc (r_type)))
|
|| is_branch_reloc (r_type)))
|
{
|
{
|
addend = 0;
|
addend = 0;
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
if (r_type == R_PPC_PLTREL24 && info->shared)
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
ent = find_plt_ent (ifunc, got2, addend);
|
ent = find_plt_ent (ifunc, got2, addend);
|
}
|
}
|
if (ent != NULL)
|
if (ent != NULL)
|
{
|
{
|
if (h == NULL && (ent->plt.offset & 1) == 0)
|
if (h == NULL && (ent->plt.offset & 1) == 0)
|
{
|
{
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
rela.r_offset = (htab->iplt->output_section->vma
|
rela.r_offset = (htab->iplt->output_section->vma
|
+ htab->iplt->output_offset
|
+ htab->iplt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
rela.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
rela.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
rela.r_addend = relocation;
|
rela.r_addend = relocation;
|
loc = htab->reliplt->contents;
|
loc = htab->reliplt->contents;
|
loc += (htab->reliplt->reloc_count++
|
loc += (htab->reliplt->reloc_count++
|
* sizeof (Elf32_External_Rela));
|
* sizeof (Elf32_External_Rela));
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
|
|
ent->plt.offset |= 1;
|
ent->plt.offset |= 1;
|
}
|
}
|
if (h == NULL && (ent->glink_offset & 1) == 0)
|
if (h == NULL && (ent->glink_offset & 1) == 0)
|
{
|
{
|
unsigned char *p = ((unsigned char *) htab->glink->contents
|
unsigned char *p = ((unsigned char *) htab->glink->contents
|
+ ent->glink_offset);
|
+ ent->glink_offset);
|
write_glink_stub (ent, htab->iplt, p, info);
|
write_glink_stub (ent, htab->iplt, p, info);
|
ent->glink_offset |= 1;
|
ent->glink_offset |= 1;
|
}
|
}
|
|
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
if (htab->plt_type == PLT_NEW
|
if (htab->plt_type == PLT_NEW
|
|| !htab->elf.dynamic_sections_created
|
|| !htab->elf.dynamic_sections_created
|
|| h == NULL)
|
|| h == NULL)
|
relocation = (htab->glink->output_section->vma
|
relocation = (htab->glink->output_section->vma
|
+ htab->glink->output_offset
|
+ htab->glink->output_offset
|
+ (ent->glink_offset & ~1));
|
+ (ent->glink_offset & ~1));
|
else
|
else
|
relocation = (htab->plt->output_section->vma
|
relocation = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
}
|
}
|
}
|
}
|
|
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
tls_type = 0;
|
tls_type = 0;
|
howto = NULL;
|
howto = NULL;
|
if (r_type < R_PPC_max)
|
if (r_type < R_PPC_max)
|
howto = ppc_elf_howto_table[r_type];
|
howto = ppc_elf_howto_table[r_type];
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: unknown relocation type %d for symbol %s"),
|
(_("%B: unknown relocation type %d for symbol %s"),
|
input_bfd, (int) r_type, sym_name);
|
input_bfd, (int) r_type, sym_name);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
|
|
case R_PPC_NONE:
|
case R_PPC_NONE:
|
case R_PPC_TLS:
|
case R_PPC_TLS:
|
case R_PPC_TLSGD:
|
case R_PPC_TLSGD:
|
case R_PPC_TLSLD:
|
case R_PPC_TLSLD:
|
case R_PPC_EMB_MRKREF:
|
case R_PPC_EMB_MRKREF:
|
case R_PPC_GNU_VTINHERIT:
|
case R_PPC_GNU_VTINHERIT:
|
case R_PPC_GNU_VTENTRY:
|
case R_PPC_GNU_VTENTRY:
|
continue;
|
continue;
|
|
|
/* GOT16 relocations. Like an ADDR16 using the symbol's
|
/* GOT16 relocations. Like an ADDR16 using the symbol's
|
address in the GOT as relocation value instead of the
|
address in the GOT as relocation value instead of the
|
symbol's value itself. Also, create a GOT entry for the
|
symbol's value itself. Also, create a GOT entry for the
|
symbol and put the symbol value there. */
|
symbol and put the symbol value there. */
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_LO:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HI:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
tls_type = TLS_TLS | TLS_GD;
|
tls_type = TLS_TLS | TLS_GD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_LO:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HI:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
tls_type = TLS_TLS | TLS_LD;
|
tls_type = TLS_TLS | TLS_LD;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_LO:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HI:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
tls_type = TLS_TLS | TLS_TPREL;
|
tls_type = TLS_TLS | TLS_TPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_LO:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HI:
|
case R_PPC_GOT_DTPREL16_HA:
|
case R_PPC_GOT_DTPREL16_HA:
|
tls_type = TLS_TLS | TLS_DTPREL;
|
tls_type = TLS_TLS | TLS_DTPREL;
|
goto dogot;
|
goto dogot;
|
|
|
case R_PPC_GOT16:
|
case R_PPC_GOT16:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_LO:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HI:
|
case R_PPC_GOT16_HA:
|
case R_PPC_GOT16_HA:
|
tls_mask = 0;
|
tls_mask = 0;
|
dogot:
|
dogot:
|
{
|
{
|
/* Relocation is to the entry for this symbol in the global
|
/* Relocation is to the entry for this symbol in the global
|
offset table. */
|
offset table. */
|
bfd_vma off;
|
bfd_vma off;
|
bfd_vma *offp;
|
bfd_vma *offp;
|
unsigned long indx;
|
unsigned long indx;
|
|
|
if (htab->got == NULL)
|
if (htab->got == NULL)
|
abort ();
|
abort ();
|
|
|
indx = 0;
|
indx = 0;
|
if (tls_type == (TLS_TLS | TLS_LD)
|
if (tls_type == (TLS_TLS | TLS_LD)
|
&& (h == NULL
|
&& (h == NULL
|
|| !h->def_dynamic))
|
|| !h->def_dynamic))
|
offp = &htab->tlsld_got.offset;
|
offp = &htab->tlsld_got.offset;
|
else if (h != NULL)
|
else if (h != NULL)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
dyn = htab->elf.dynamic_sections_created;
|
dyn = htab->elf.dynamic_sections_created;
|
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|
|| (info->shared
|
|| (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, h)))
|
&& SYMBOL_REFERENCES_LOCAL (info, h)))
|
/* This is actually a static link, or it is a
|
/* This is actually a static link, or it is a
|
-Bsymbolic link and the symbol is defined
|
-Bsymbolic link and the symbol is defined
|
locally, or the symbol was forced to be local
|
locally, or the symbol was forced to be local
|
because of a version file. */
|
because of a version file. */
|
;
|
;
|
else
|
else
|
{
|
{
|
indx = h->dynindx;
|
indx = h->dynindx;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
offp = &h->got.offset;
|
offp = &h->got.offset;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (local_got_offsets == NULL)
|
if (local_got_offsets == NULL)
|
abort ();
|
abort ();
|
offp = &local_got_offsets[r_symndx];
|
offp = &local_got_offsets[r_symndx];
|
}
|
}
|
|
|
/* The offset must always be a multiple of 4. We use the
|
/* The offset must always be a multiple of 4. We use the
|
least significant bit to record whether we have already
|
least significant bit to record whether we have already
|
processed this entry. */
|
processed this entry. */
|
off = *offp;
|
off = *offp;
|
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
unsigned int tls_m = (tls_mask
|
unsigned int tls_m = (tls_mask
|
& (TLS_LD | TLS_GD | TLS_DTPREL
|
& (TLS_LD | TLS_GD | TLS_DTPREL
|
| TLS_TPREL | TLS_TPRELGD));
|
| TLS_TPREL | TLS_TPRELGD));
|
|
|
if (offp == &htab->tlsld_got.offset)
|
if (offp == &htab->tlsld_got.offset)
|
tls_m = TLS_LD;
|
tls_m = TLS_LD;
|
else if (h == NULL
|
else if (h == NULL
|
|| !h->def_dynamic)
|
|| !h->def_dynamic)
|
tls_m &= ~TLS_LD;
|
tls_m &= ~TLS_LD;
|
|
|
/* We might have multiple got entries for this sym.
|
/* We might have multiple got entries for this sym.
|
Initialize them all. */
|
Initialize them all. */
|
do
|
do
|
{
|
{
|
int tls_ty = 0;
|
int tls_ty = 0;
|
|
|
if ((tls_m & TLS_LD) != 0)
|
if ((tls_m & TLS_LD) != 0)
|
{
|
{
|
tls_ty = TLS_TLS | TLS_LD;
|
tls_ty = TLS_TLS | TLS_LD;
|
tls_m &= ~TLS_LD;
|
tls_m &= ~TLS_LD;
|
}
|
}
|
else if ((tls_m & TLS_GD) != 0)
|
else if ((tls_m & TLS_GD) != 0)
|
{
|
{
|
tls_ty = TLS_TLS | TLS_GD;
|
tls_ty = TLS_TLS | TLS_GD;
|
tls_m &= ~TLS_GD;
|
tls_m &= ~TLS_GD;
|
}
|
}
|
else if ((tls_m & TLS_DTPREL) != 0)
|
else if ((tls_m & TLS_DTPREL) != 0)
|
{
|
{
|
tls_ty = TLS_TLS | TLS_DTPREL;
|
tls_ty = TLS_TLS | TLS_DTPREL;
|
tls_m &= ~TLS_DTPREL;
|
tls_m &= ~TLS_DTPREL;
|
}
|
}
|
else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
else if ((tls_m & (TLS_TPREL | TLS_TPRELGD)) != 0)
|
{
|
{
|
tls_ty = TLS_TLS | TLS_TPREL;
|
tls_ty = TLS_TLS | TLS_TPREL;
|
tls_m = 0;
|
tls_m = 0;
|
}
|
}
|
|
|
/* Generate relocs for the dynamic linker. */
|
/* Generate relocs for the dynamic linker. */
|
if ((info->shared || indx != 0)
|
if ((info->shared || indx != 0)
|
&& (offp == &htab->tlsld_got.offset
|
&& (offp == &htab->tlsld_got.offset
|
|| h == NULL
|
|| h == NULL
|
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| h->root.type != bfd_link_hash_undefweak))
|
|| h->root.type != bfd_link_hash_undefweak))
|
{
|
{
|
asection *rsec = htab->relgot;
|
asection *rsec = htab->relgot;
|
bfd_byte * loc;
|
bfd_byte * loc;
|
|
|
outrel.r_offset = (htab->got->output_section->vma
|
outrel.r_offset = (htab->got->output_section->vma
|
+ htab->got->output_offset
|
+ htab->got->output_offset
|
+ off);
|
+ off);
|
outrel.r_addend = 0;
|
outrel.r_addend = 0;
|
if (tls_ty & (TLS_LD | TLS_GD))
|
if (tls_ty & (TLS_LD | TLS_GD))
|
{
|
{
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPMOD32);
|
if (tls_ty == (TLS_TLS | TLS_GD))
|
if (tls_ty == (TLS_TLS | TLS_GD))
|
{
|
{
|
loc = rsec->contents;
|
loc = rsec->contents;
|
loc += (rsec->reloc_count++
|
loc += (rsec->reloc_count++
|
* sizeof (Elf32_External_Rela));
|
* sizeof (Elf32_External_Rela));
|
bfd_elf32_swap_reloca_out (output_bfd,
|
bfd_elf32_swap_reloca_out (output_bfd,
|
&outrel, loc);
|
&outrel, loc);
|
outrel.r_offset += 4;
|
outrel.r_offset += 4;
|
outrel.r_info
|
outrel.r_info
|
= ELF32_R_INFO (indx, R_PPC_DTPREL32);
|
= ELF32_R_INFO (indx, R_PPC_DTPREL32);
|
}
|
}
|
}
|
}
|
else if (tls_ty == (TLS_TLS | TLS_DTPREL))
|
else if (tls_ty == (TLS_TLS | TLS_DTPREL))
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_DTPREL32);
|
else if (tls_ty == (TLS_TLS | TLS_TPREL))
|
else if (tls_ty == (TLS_TLS | TLS_TPREL))
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_TPREL32);
|
else if (indx != 0)
|
else if (indx != 0)
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
|
outrel.r_info = ELF32_R_INFO (indx, R_PPC_GLOB_DAT);
|
else if (ifunc != NULL)
|
else if (ifunc != NULL)
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
else
|
else
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
|
if (indx == 0 && tls_ty != (TLS_TLS | TLS_LD))
|
if (indx == 0 && tls_ty != (TLS_TLS | TLS_LD))
|
{
|
{
|
outrel.r_addend += relocation;
|
outrel.r_addend += relocation;
|
if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
|
if (tls_ty & (TLS_GD | TLS_DTPREL | TLS_TPREL))
|
outrel.r_addend -= htab->elf.tls_sec->vma;
|
outrel.r_addend -= htab->elf.tls_sec->vma;
|
}
|
}
|
loc = rsec->contents;
|
loc = rsec->contents;
|
loc += (rsec->reloc_count++
|
loc += (rsec->reloc_count++
|
* sizeof (Elf32_External_Rela));
|
* sizeof (Elf32_External_Rela));
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
}
|
}
|
|
|
/* Init the .got section contents if we're not
|
/* Init the .got section contents if we're not
|
emitting a reloc. */
|
emitting a reloc. */
|
else
|
else
|
{
|
{
|
bfd_vma value = relocation;
|
bfd_vma value = relocation;
|
|
|
if (tls_ty == (TLS_TLS | TLS_LD))
|
if (tls_ty == (TLS_TLS | TLS_LD))
|
value = 1;
|
value = 1;
|
else if (tls_ty != 0)
|
else if (tls_ty != 0)
|
{
|
{
|
value -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
value -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
if (tls_ty == (TLS_TLS | TLS_TPREL))
|
if (tls_ty == (TLS_TLS | TLS_TPREL))
|
value += DTP_OFFSET - TP_OFFSET;
|
value += DTP_OFFSET - TP_OFFSET;
|
|
|
if (tls_ty == (TLS_TLS | TLS_GD))
|
if (tls_ty == (TLS_TLS | TLS_GD))
|
{
|
{
|
bfd_put_32 (output_bfd, value,
|
bfd_put_32 (output_bfd, value,
|
htab->got->contents + off + 4);
|
htab->got->contents + off + 4);
|
value = 1;
|
value = 1;
|
}
|
}
|
}
|
}
|
bfd_put_32 (output_bfd, value,
|
bfd_put_32 (output_bfd, value,
|
htab->got->contents + off);
|
htab->got->contents + off);
|
}
|
}
|
|
|
off += 4;
|
off += 4;
|
if (tls_ty & (TLS_LD | TLS_GD))
|
if (tls_ty & (TLS_LD | TLS_GD))
|
off += 4;
|
off += 4;
|
}
|
}
|
while (tls_m != 0);
|
while (tls_m != 0);
|
|
|
off = *offp;
|
off = *offp;
|
*offp = off | 1;
|
*offp = off | 1;
|
}
|
}
|
|
|
if (off >= (bfd_vma) -2)
|
if (off >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
|
|
if ((tls_type & TLS_TLS) != 0)
|
if ((tls_type & TLS_TLS) != 0)
|
{
|
{
|
if (tls_type != (TLS_TLS | TLS_LD))
|
if (tls_type != (TLS_TLS | TLS_LD))
|
{
|
{
|
if ((tls_mask & TLS_LD) != 0
|
if ((tls_mask & TLS_LD) != 0
|
&& !(h == NULL
|
&& !(h == NULL
|
|| !h->def_dynamic))
|
|| !h->def_dynamic))
|
off += 8;
|
off += 8;
|
if (tls_type != (TLS_TLS | TLS_GD))
|
if (tls_type != (TLS_TLS | TLS_GD))
|
{
|
{
|
if ((tls_mask & TLS_GD) != 0)
|
if ((tls_mask & TLS_GD) != 0)
|
off += 8;
|
off += 8;
|
if (tls_type != (TLS_TLS | TLS_DTPREL))
|
if (tls_type != (TLS_TLS | TLS_DTPREL))
|
{
|
{
|
if ((tls_mask & TLS_DTPREL) != 0)
|
if ((tls_mask & TLS_DTPREL) != 0)
|
off += 4;
|
off += 4;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
relocation = (htab->got->output_section->vma
|
relocation = (htab->got->output_section->vma
|
+ htab->got->output_offset
|
+ htab->got->output_offset
|
+ off
|
+ off
|
- SYM_VAL (htab->elf.hgot));
|
- SYM_VAL (htab->elf.hgot));
|
|
|
/* Addends on got relocations don't make much sense.
|
/* Addends on got relocations don't make much sense.
|
x+off@got is actually x@got+off, and since the got is
|
x+off@got is actually x@got+off, and since the got is
|
generated by a hash table traversal, the value in the
|
generated by a hash table traversal, the value in the
|
got at entry m+n bears little relation to the entry m. */
|
got at entry m+n bears little relation to the entry m. */
|
if (addend != 0)
|
if (addend != 0)
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): non-zero addend on %s reloc against `%s'"),
|
(_("%B(%A+0x%lx): non-zero addend on %s reloc against `%s'"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
howto->name,
|
howto->name,
|
sym_name);
|
sym_name);
|
}
|
}
|
break;
|
break;
|
|
|
/* Relocations that need no special processing. */
|
/* Relocations that need no special processing. */
|
case R_PPC_LOCAL24PC:
|
case R_PPC_LOCAL24PC:
|
/* It makes no sense to point a local relocation
|
/* It makes no sense to point a local relocation
|
at a symbol not in this object. */
|
at a symbol not in this object. */
|
if (unresolved_reloc)
|
if (unresolved_reloc)
|
{
|
{
|
if (! (*info->callbacks->undefined_symbol) (info,
|
if (! (*info->callbacks->undefined_symbol) (info,
|
h->root.root.string,
|
h->root.root.string,
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
rel->r_offset,
|
rel->r_offset,
|
TRUE))
|
TRUE))
|
return FALSE;
|
return FALSE;
|
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_DTPREL16:
|
case R_PPC_DTPREL16:
|
case R_PPC_DTPREL16_LO:
|
case R_PPC_DTPREL16_LO:
|
case R_PPC_DTPREL16_HI:
|
case R_PPC_DTPREL16_HI:
|
case R_PPC_DTPREL16_HA:
|
case R_PPC_DTPREL16_HA:
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
break;
|
break;
|
|
|
/* Relocations that may need to be propagated if this is a shared
|
/* Relocations that may need to be propagated if this is a shared
|
object. */
|
object. */
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_LO:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HI:
|
case R_PPC_TPREL16_HA:
|
case R_PPC_TPREL16_HA:
|
if (h != NULL
|
if (h != NULL
|
&& h->root.type == bfd_link_hash_undefweak
|
&& h->root.type == bfd_link_hash_undefweak
|
&& h->dynindx == -1)
|
&& h->dynindx == -1)
|
{
|
{
|
/* Make this relocation against an undefined weak symbol
|
/* Make this relocation against an undefined weak symbol
|
resolve to zero. This is really just a tweak, since
|
resolve to zero. This is really just a tweak, since
|
code using weak externs ought to check that they are
|
code using weak externs ought to check that they are
|
defined before using them. */
|
defined before using them. */
|
bfd_byte *p = contents + rel->r_offset - d_offset;
|
bfd_byte *p = contents + rel->r_offset - d_offset;
|
unsigned int insn = bfd_get_32 (output_bfd, p);
|
unsigned int insn = bfd_get_32 (output_bfd, p);
|
insn = _bfd_elf_ppc_at_tprel_transform (insn, 2);
|
insn = _bfd_elf_ppc_at_tprel_transform (insn, 2);
|
if (insn != 0)
|
if (insn != 0)
|
bfd_put_32 (output_bfd, insn, p);
|
bfd_put_32 (output_bfd, insn, p);
|
break;
|
break;
|
}
|
}
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
/* The TPREL16 relocs shouldn't really be used in shared
|
/* The TPREL16 relocs shouldn't really be used in shared
|
libs as they will result in DT_TEXTREL being set, but
|
libs as they will result in DT_TEXTREL being set, but
|
support them anyway. */
|
support them anyway. */
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_TPREL32:
|
case R_PPC_TPREL32:
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + TP_OFFSET;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_DTPREL32:
|
case R_PPC_DTPREL32:
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
addend -= htab->elf.tls_sec->vma + DTP_OFFSET;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_DTPMOD32:
|
case R_PPC_DTPMOD32:
|
relocation = 1;
|
relocation = 1;
|
addend = 0;
|
addend = 0;
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_REL16:
|
case R_PPC_REL16:
|
case R_PPC_REL16_LO:
|
case R_PPC_REL16_LO:
|
case R_PPC_REL16_HI:
|
case R_PPC_REL16_HI:
|
case R_PPC_REL16_HA:
|
case R_PPC_REL16_HA:
|
break;
|
break;
|
|
|
case R_PPC_REL32:
|
case R_PPC_REL32:
|
if (h == NULL || h == htab->elf.hgot)
|
if (h == NULL || h == htab->elf.hgot)
|
break;
|
break;
|
/* fall through */
|
/* fall through */
|
|
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR32:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_LO:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HI:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR32:
|
case R_PPC_UADDR16:
|
case R_PPC_UADDR16:
|
goto dodyn;
|
goto dodyn;
|
|
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_REL14:
|
case R_PPC_REL14:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
case R_PPC_REL14_BRNTAKEN:
|
/* If these relocations are not to a named symbol, they can be
|
/* If these relocations are not to a named symbol, they can be
|
handled right here, no need to bother the dynamic linker. */
|
handled right here, no need to bother the dynamic linker. */
|
if (SYMBOL_CALLS_LOCAL (info, h)
|
if (SYMBOL_CALLS_LOCAL (info, h)
|
|| h == htab->elf.hgot)
|
|| h == htab->elf.hgot)
|
break;
|
break;
|
/* fall through */
|
/* fall through */
|
|
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
case R_PPC_ADDR14_BRNTAKEN:
|
if (h != NULL && !info->shared)
|
if (h != NULL && !info->shared)
|
break;
|
break;
|
/* fall through */
|
/* fall through */
|
|
|
dodyn:
|
dodyn:
|
if ((input_section->flags & SEC_ALLOC) == 0
|
if ((input_section->flags & SEC_ALLOC) == 0
|
|| is_vxworks_tls)
|
|| is_vxworks_tls)
|
break;
|
break;
|
|
|
if ((info->shared
|
if ((info->shared
|
&& !(h != NULL
|
&& !(h != NULL
|
&& ((h->root.type == bfd_link_hash_undefined
|
&& ((h->root.type == bfd_link_hash_undefined
|
&& (ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
&& (ELF_ST_VISIBILITY (h->other) == STV_HIDDEN
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL))
|
|| ELF_ST_VISIBILITY (h->other) == STV_INTERNAL))
|
|| (h->root.type == bfd_link_hash_undefweak
|
|| (h->root.type == bfd_link_hash_undefweak
|
&& ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)))
|
&& ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)))
|
&& (must_be_dyn_reloc (info, r_type)
|
&& (must_be_dyn_reloc (info, r_type)
|
|| !SYMBOL_CALLS_LOCAL (info, h)))
|
|| !SYMBOL_CALLS_LOCAL (info, h)))
|
|| (ELIMINATE_COPY_RELOCS
|
|| (ELIMINATE_COPY_RELOCS
|
&& !info->shared
|
&& !info->shared
|
&& h != NULL
|
&& h != NULL
|
&& h->dynindx != -1
|
&& h->dynindx != -1
|
&& !h->non_got_ref
|
&& !h->non_got_ref
|
&& !h->def_regular))
|
&& !h->def_regular))
|
{
|
{
|
int skip;
|
int skip;
|
bfd_byte * loc;
|
bfd_byte * loc;
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "ppc_elf_relocate_section needs to "
|
fprintf (stderr, "ppc_elf_relocate_section needs to "
|
"create relocation for %s\n",
|
"create relocation for %s\n",
|
(h && h->root.root.string
|
(h && h->root.root.string
|
? h->root.root.string : "<unknown>"));
|
? h->root.root.string : "<unknown>"));
|
#endif
|
#endif
|
|
|
/* When generating a shared object, these relocations
|
/* When generating a shared object, these relocations
|
are copied into the output file to be resolved at run
|
are copied into the output file to be resolved at run
|
time. */
|
time. */
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = elf_section_data (input_section)->sreloc;
|
sreloc = elf_section_data (input_section)->sreloc;
|
if (!htab->elf.dynamic_sections_created)
|
if (!htab->elf.dynamic_sections_created)
|
sreloc = htab->reliplt;
|
sreloc = htab->reliplt;
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
skip = 0;
|
skip = 0;
|
outrel.r_offset =
|
outrel.r_offset =
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
rel->r_offset);
|
rel->r_offset);
|
if (outrel.r_offset == (bfd_vma) -1
|
if (outrel.r_offset == (bfd_vma) -1
|
|| outrel.r_offset == (bfd_vma) -2)
|
|| outrel.r_offset == (bfd_vma) -2)
|
skip = (int) outrel.r_offset;
|
skip = (int) outrel.r_offset;
|
outrel.r_offset += (input_section->output_section->vma
|
outrel.r_offset += (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
|
|
if (skip)
|
if (skip)
|
memset (&outrel, 0, sizeof outrel);
|
memset (&outrel, 0, sizeof outrel);
|
else if ((h != NULL
|
else if ((h != NULL
|
&& (h->root.type == bfd_link_hash_undefined
|
&& (h->root.type == bfd_link_hash_undefined
|
|| h->root.type == bfd_link_hash_undefweak))
|
|| h->root.type == bfd_link_hash_undefweak))
|
|| !SYMBOL_REFERENCES_LOCAL (info, h))
|
|| !SYMBOL_REFERENCES_LOCAL (info, h))
|
{
|
{
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_addend = rel->r_addend;
|
outrel.r_addend = rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
outrel.r_addend = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
|
|
if (r_type != R_PPC_ADDR32)
|
if (r_type != R_PPC_ADDR32)
|
{
|
{
|
long indx = 0;
|
long indx = 0;
|
|
|
if (ifunc != NULL)
|
if (ifunc != NULL)
|
{
|
{
|
/* If we get here when building a static
|
/* If we get here when building a static
|
executable, then the libc startup function
|
executable, then the libc startup function
|
responsible for applying indirect function
|
responsible for applying indirect function
|
relocations is going to complain about
|
relocations is going to complain about
|
the reloc type.
|
the reloc type.
|
If we get here when building a dynamic
|
If we get here when building a dynamic
|
executable, it will be because we have
|
executable, it will be because we have
|
a text relocation. The dynamic loader
|
a text relocation. The dynamic loader
|
will set the text segment writable and
|
will set the text segment writable and
|
non-executable to apply text relocations.
|
non-executable to apply text relocations.
|
So we'll segfault when trying to run the
|
So we'll segfault when trying to run the
|
indirection function to resolve the reloc. */
|
indirection function to resolve the reloc. */
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): relocation %s for indirect "
|
(_("%B(%A+0x%lx): relocation %s for indirect "
|
"function %s unsupported"),
|
"function %s unsupported"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
howto->name,
|
howto->name,
|
sym_name);
|
sym_name);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
else if (r_symndx == 0 || bfd_is_abs_section (sec))
|
else if (r_symndx == 0 || bfd_is_abs_section (sec))
|
;
|
;
|
else if (sec == NULL || sec->owner == NULL)
|
else if (sec == NULL || sec->owner == NULL)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *osec;
|
asection *osec;
|
|
|
/* We are turning this relocation into one
|
/* We are turning this relocation into one
|
against a section symbol. It would be
|
against a section symbol. It would be
|
proper to subtract the symbol's value,
|
proper to subtract the symbol's value,
|
osec->vma, from the emitted reloc addend,
|
osec->vma, from the emitted reloc addend,
|
but ld.so expects buggy relocs.
|
but ld.so expects buggy relocs.
|
FIXME: Why not always use a zero index? */
|
FIXME: Why not always use a zero index? */
|
osec = sec->output_section;
|
osec = sec->output_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
osec = htab->elf.text_index_section;
|
osec = htab->elf.text_index_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
}
|
}
|
BFD_ASSERT (indx != 0);
|
BFD_ASSERT (indx != 0);
|
#ifdef DEBUG
|
#ifdef DEBUG
|
if (indx == 0)
|
if (indx == 0)
|
printf ("indx=%ld section=%s flags=%08x name=%s\n",
|
printf ("indx=%ld section=%s flags=%08x name=%s\n",
|
indx, osec->name, osec->flags,
|
indx, osec->name, osec->flags,
|
h->root.root.string);
|
h->root.root.string);
|
#endif
|
#endif
|
}
|
}
|
|
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
}
|
}
|
else if (ifunc != NULL)
|
else if (ifunc != NULL)
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
else
|
else
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_PPC_RELATIVE);
|
}
|
}
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
|
|
if (skip == -1)
|
if (skip == -1)
|
continue;
|
continue;
|
|
|
/* This reloc will be computed at runtime. We clear the memory
|
/* This reloc will be computed at runtime. We clear the memory
|
so that it contains predictable value. */
|
so that it contains predictable value. */
|
if (! skip
|
if (! skip
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
&& ((input_section->flags & SEC_ALLOC) != 0
|
|| ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
|
|| ELF32_R_TYPE (outrel.r_info) != R_PPC_RELATIVE))
|
{
|
{
|
relocation = howto->pc_relative ? outrel.r_offset : 0;
|
relocation = howto->pc_relative ? outrel.r_offset : 0;
|
addend = 0;
|
addend = 0;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case R_PPC_RELAX_PLT:
|
case R_PPC_RELAX_PLT:
|
case R_PPC_RELAX_PLTREL24:
|
case R_PPC_RELAX_PLTREL24:
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_vma got2_addend = 0;
|
bfd_vma got2_addend = 0;
|
|
|
if (r_type == R_PPC_RELAX_PLTREL24)
|
if (r_type == R_PPC_RELAX_PLTREL24)
|
{
|
{
|
if (info->shared)
|
if (info->shared)
|
got2_addend = addend;
|
got2_addend = addend;
|
addend = 0;
|
addend = 0;
|
}
|
}
|
ent = find_plt_ent (&h->plt.plist, got2, got2_addend);
|
ent = find_plt_ent (&h->plt.plist, got2, got2_addend);
|
if (htab->plt_type == PLT_NEW)
|
if (htab->plt_type == PLT_NEW)
|
relocation = (htab->glink->output_section->vma
|
relocation = (htab->glink->output_section->vma
|
+ htab->glink->output_offset
|
+ htab->glink->output_offset
|
+ ent->glink_offset);
|
+ ent->glink_offset);
|
else
|
else
|
relocation = (htab->plt->output_section->vma
|
relocation = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
}
|
}
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC_RELAX:
|
case R_PPC_RELAX:
|
if (info->shared)
|
if (info->shared)
|
relocation -= (input_section->output_section->vma
|
relocation -= (input_section->output_section->vma
|
+ input_section->output_offset
|
+ input_section->output_offset
|
+ rel->r_offset - 4);
|
+ rel->r_offset - 4);
|
|
|
{
|
{
|
unsigned long t0;
|
unsigned long t0;
|
unsigned long t1;
|
unsigned long t1;
|
|
|
t0 = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
t0 = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
t1 = bfd_get_32 (output_bfd, contents + rel->r_offset + 4);
|
t1 = bfd_get_32 (output_bfd, contents + rel->r_offset + 4);
|
|
|
/* We're clearing the bits for R_PPC_ADDR16_HA
|
/* We're clearing the bits for R_PPC_ADDR16_HA
|
and R_PPC_ADDR16_LO here. */
|
and R_PPC_ADDR16_LO here. */
|
t0 &= ~0xffff;
|
t0 &= ~0xffff;
|
t1 &= ~0xffff;
|
t1 &= ~0xffff;
|
|
|
/* t0 is HA, t1 is LO */
|
/* t0 is HA, t1 is LO */
|
relocation += addend;
|
relocation += addend;
|
t0 |= ((relocation + 0x8000) >> 16) & 0xffff;
|
t0 |= ((relocation + 0x8000) >> 16) & 0xffff;
|
t1 |= relocation & 0xffff;
|
t1 |= relocation & 0xffff;
|
|
|
bfd_put_32 (output_bfd, t0, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, t0, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, t1, contents + rel->r_offset + 4);
|
bfd_put_32 (output_bfd, t1, contents + rel->r_offset + 4);
|
|
|
/* Rewrite the reloc and convert one of the trailing nop
|
/* Rewrite the reloc and convert one of the trailing nop
|
relocs to describe this relocation. */
|
relocs to describe this relocation. */
|
BFD_ASSERT (ELF32_R_TYPE (relend[-1].r_info) == R_PPC_NONE);
|
BFD_ASSERT (ELF32_R_TYPE (relend[-1].r_info) == R_PPC_NONE);
|
/* The relocs are at the bottom 2 bytes */
|
/* The relocs are at the bottom 2 bytes */
|
rel[0].r_offset += 2;
|
rel[0].r_offset += 2;
|
memmove (rel + 1, rel, (relend - rel - 1) * sizeof (*rel));
|
memmove (rel + 1, rel, (relend - rel - 1) * sizeof (*rel));
|
rel[0].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_HA);
|
rel[0].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_HA);
|
rel[1].r_offset += 4;
|
rel[1].r_offset += 4;
|
rel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_LO);
|
rel[1].r_info = ELF32_R_INFO (r_symndx, R_PPC_ADDR16_LO);
|
rel++;
|
rel++;
|
}
|
}
|
continue;
|
continue;
|
|
|
/* Indirect .sdata relocation. */
|
/* Indirect .sdata relocation. */
|
case R_PPC_EMB_SDAI16:
|
case R_PPC_EMB_SDAI16:
|
BFD_ASSERT (htab->sdata[0].section != NULL);
|
BFD_ASSERT (htab->sdata[0].section != NULL);
|
if (!is_static_defined (htab->sdata[0].sym))
|
if (!is_static_defined (htab->sdata[0].sym))
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
relocation
|
relocation
|
= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[0],
|
= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[0],
|
h, relocation, rel);
|
h, relocation, rel);
|
addend = 0;
|
addend = 0;
|
break;
|
break;
|
|
|
/* Indirect .sdata2 relocation. */
|
/* Indirect .sdata2 relocation. */
|
case R_PPC_EMB_SDA2I16:
|
case R_PPC_EMB_SDA2I16:
|
BFD_ASSERT (htab->sdata[1].section != NULL);
|
BFD_ASSERT (htab->sdata[1].section != NULL);
|
if (!is_static_defined (htab->sdata[1].sym))
|
if (!is_static_defined (htab->sdata[1].sym))
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
relocation
|
relocation
|
= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[1],
|
= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[1],
|
h, relocation, rel);
|
h, relocation, rel);
|
addend = 0;
|
addend = 0;
|
break;
|
break;
|
|
|
/* Handle the TOC16 reloc. We want to use the offset within the .got
|
/* Handle the TOC16 reloc. We want to use the offset within the .got
|
section, not the actual VMA. This is appropriate when generating
|
section, not the actual VMA. This is appropriate when generating
|
an embedded ELF object, for which the .got section acts like the
|
an embedded ELF object, for which the .got section acts like the
|
AIX .toc section. */
|
AIX .toc section. */
|
case R_PPC_TOC16: /* phony GOT16 relocations */
|
case R_PPC_TOC16: /* phony GOT16 relocations */
|
if (sec == NULL || sec->output_section == NULL)
|
if (sec == NULL || sec->output_section == NULL)
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
BFD_ASSERT (strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
|
BFD_ASSERT (strcmp (bfd_get_section_name (abfd, sec), ".got") == 0
|
|| strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
|
|| strcmp (bfd_get_section_name (abfd, sec), ".cgot") == 0);
|
|
|
addend -= sec->output_section->vma + sec->output_offset + 0x8000;
|
addend -= sec->output_section->vma + sec->output_offset + 0x8000;
|
break;
|
break;
|
|
|
case R_PPC_PLTREL24:
|
case R_PPC_PLTREL24:
|
if (h == NULL || ifunc != NULL)
|
if (h == NULL || ifunc != NULL)
|
break;
|
break;
|
/* Relocation is to the entry for this symbol in the
|
/* Relocation is to the entry for this symbol in the
|
procedure linkage table. */
|
procedure linkage table. */
|
{
|
{
|
struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2,
|
struct plt_entry *ent = find_plt_ent (&h->plt.plist, got2,
|
info->shared ? addend : 0);
|
info->shared ? addend : 0);
|
addend = 0;
|
addend = 0;
|
if (ent == NULL
|
if (ent == NULL
|
|| htab->plt == NULL)
|
|| htab->plt == NULL)
|
{
|
{
|
/* We didn't make a PLT entry for this symbol. This
|
/* We didn't make a PLT entry for this symbol. This
|
happens when statically linking PIC code, or when
|
happens when statically linking PIC code, or when
|
using -Bsymbolic. */
|
using -Bsymbolic. */
|
break;
|
break;
|
}
|
}
|
|
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
if (htab->plt_type == PLT_NEW)
|
if (htab->plt_type == PLT_NEW)
|
relocation = (htab->glink->output_section->vma
|
relocation = (htab->glink->output_section->vma
|
+ htab->glink->output_offset
|
+ htab->glink->output_offset
|
+ ent->glink_offset);
|
+ ent->glink_offset);
|
else
|
else
|
relocation = (htab->plt->output_section->vma
|
relocation = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
}
|
}
|
break;
|
break;
|
|
|
/* Relocate against _SDA_BASE_. */
|
/* Relocate against _SDA_BASE_. */
|
case R_PPC_SDAREL16:
|
case R_PPC_SDAREL16:
|
{
|
{
|
const char *name;
|
const char *name;
|
struct elf_link_hash_entry *sda = htab->sdata[0].sym;
|
struct elf_link_hash_entry *sda = htab->sdata[0].sym;
|
|
|
if (sec == NULL
|
if (sec == NULL
|
|| sec->output_section == NULL
|
|| sec->output_section == NULL
|
|| !is_static_defined (sda))
|
|| !is_static_defined (sda))
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
addend -= SYM_VAL (sda);
|
addend -= SYM_VAL (sda);
|
|
|
name = bfd_get_section_name (abfd, sec->output_section);
|
name = bfd_get_section_name (abfd, sec->output_section);
|
if (! ((CONST_STRNEQ (name, ".sdata")
|
if (! ((CONST_STRNEQ (name, ".sdata")
|
&& (name[6] == 0 || name[6] == '.'))
|
&& (name[6] == 0 || name[6] == '.'))
|
|| (CONST_STRNEQ (name, ".sbss")
|
|| (CONST_STRNEQ (name, ".sbss")
|
&& (name[5] == 0 || name[5] == '.'))))
|
&& (name[5] == 0 || name[5] == '.'))))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: the target (%s) of a %s relocation is "
|
(_("%B: the target (%s) of a %s relocation is "
|
"in the wrong output section (%s)"),
|
"in the wrong output section (%s)"),
|
input_bfd,
|
input_bfd,
|
sym_name,
|
sym_name,
|
howto->name,
|
howto->name,
|
name);
|
name);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
/* Relocate against _SDA2_BASE_. */
|
/* Relocate against _SDA2_BASE_. */
|
case R_PPC_EMB_SDA2REL:
|
case R_PPC_EMB_SDA2REL:
|
{
|
{
|
const char *name;
|
const char *name;
|
struct elf_link_hash_entry *sda = htab->sdata[1].sym;
|
struct elf_link_hash_entry *sda = htab->sdata[1].sym;
|
|
|
if (sec == NULL
|
if (sec == NULL
|
|| sec->output_section == NULL
|
|| sec->output_section == NULL
|
|| !is_static_defined (sda))
|
|| !is_static_defined (sda))
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
addend -= SYM_VAL (sda);
|
addend -= SYM_VAL (sda);
|
|
|
name = bfd_get_section_name (abfd, sec->output_section);
|
name = bfd_get_section_name (abfd, sec->output_section);
|
if (! (CONST_STRNEQ (name, ".sdata2")
|
if (! (CONST_STRNEQ (name, ".sdata2")
|
|| CONST_STRNEQ (name, ".sbss2")))
|
|| CONST_STRNEQ (name, ".sbss2")))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: the target (%s) of a %s relocation is "
|
(_("%B: the target (%s) of a %s relocation is "
|
"in the wrong output section (%s)"),
|
"in the wrong output section (%s)"),
|
input_bfd,
|
input_bfd,
|
sym_name,
|
sym_name,
|
howto->name,
|
howto->name,
|
name);
|
name);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
/* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
|
/* Relocate against either _SDA_BASE_, _SDA2_BASE_, or 0. */
|
case R_PPC_EMB_SDA21:
|
case R_PPC_EMB_SDA21:
|
case R_PPC_EMB_RELSDA:
|
case R_PPC_EMB_RELSDA:
|
{
|
{
|
const char *name;
|
const char *name;
|
int reg;
|
int reg;
|
struct elf_link_hash_entry *sda = NULL;
|
struct elf_link_hash_entry *sda = NULL;
|
|
|
if (sec == NULL || sec->output_section == NULL)
|
if (sec == NULL || sec->output_section == NULL)
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
|
|
name = bfd_get_section_name (abfd, sec->output_section);
|
name = bfd_get_section_name (abfd, sec->output_section);
|
if (((CONST_STRNEQ (name, ".sdata")
|
if (((CONST_STRNEQ (name, ".sdata")
|
&& (name[6] == 0 || name[6] == '.'))
|
&& (name[6] == 0 || name[6] == '.'))
|
|| (CONST_STRNEQ (name, ".sbss")
|
|| (CONST_STRNEQ (name, ".sbss")
|
&& (name[5] == 0 || name[5] == '.'))))
|
&& (name[5] == 0 || name[5] == '.'))))
|
{
|
{
|
reg = 13;
|
reg = 13;
|
sda = htab->sdata[0].sym;
|
sda = htab->sdata[0].sym;
|
}
|
}
|
else if (CONST_STRNEQ (name, ".sdata2")
|
else if (CONST_STRNEQ (name, ".sdata2")
|
|| CONST_STRNEQ (name, ".sbss2"))
|
|| CONST_STRNEQ (name, ".sbss2"))
|
{
|
{
|
reg = 2;
|
reg = 2;
|
sda = htab->sdata[1].sym;
|
sda = htab->sdata[1].sym;
|
}
|
}
|
else if (strcmp (name, ".PPC.EMB.sdata0") == 0
|
else if (strcmp (name, ".PPC.EMB.sdata0") == 0
|
|| strcmp (name, ".PPC.EMB.sbss0") == 0)
|
|| strcmp (name, ".PPC.EMB.sbss0") == 0)
|
{
|
{
|
reg = 0;
|
reg = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: the target (%s) of a %s relocation is "
|
(_("%B: the target (%s) of a %s relocation is "
|
"in the wrong output section (%s)"),
|
"in the wrong output section (%s)"),
|
input_bfd,
|
input_bfd,
|
sym_name,
|
sym_name,
|
howto->name,
|
howto->name,
|
name);
|
name);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (sda != NULL)
|
if (sda != NULL)
|
{
|
{
|
if (!is_static_defined (sda))
|
if (!is_static_defined (sda))
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
addend -= SYM_VAL (sda);
|
addend -= SYM_VAL (sda);
|
}
|
}
|
|
|
if (r_type == R_PPC_EMB_SDA21)
|
if (r_type == R_PPC_EMB_SDA21)
|
{
|
{
|
bfd_vma insn; /* Fill in register field. */
|
bfd_vma insn; /* Fill in register field. */
|
|
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = bfd_get_32 (output_bfd, contents + rel->r_offset);
|
insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
|
insn = (insn & ~RA_REGISTER_MASK) | (reg << RA_REGISTER_SHIFT);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
/* Relocate against the beginning of the section. */
|
/* Relocate against the beginning of the section. */
|
case R_PPC_SECTOFF:
|
case R_PPC_SECTOFF:
|
case R_PPC_SECTOFF_LO:
|
case R_PPC_SECTOFF_LO:
|
case R_PPC_SECTOFF_HI:
|
case R_PPC_SECTOFF_HI:
|
case R_PPC_SECTOFF_HA:
|
case R_PPC_SECTOFF_HA:
|
if (sec == NULL || sec->output_section == NULL)
|
if (sec == NULL || sec->output_section == NULL)
|
{
|
{
|
unresolved_reloc = TRUE;
|
unresolved_reloc = TRUE;
|
break;
|
break;
|
}
|
}
|
addend -= sec->output_section->vma;
|
addend -= sec->output_section->vma;
|
break;
|
break;
|
|
|
/* Negative relocations. */
|
/* Negative relocations. */
|
case R_PPC_EMB_NADDR32:
|
case R_PPC_EMB_NADDR32:
|
case R_PPC_EMB_NADDR16:
|
case R_PPC_EMB_NADDR16:
|
case R_PPC_EMB_NADDR16_LO:
|
case R_PPC_EMB_NADDR16_LO:
|
case R_PPC_EMB_NADDR16_HI:
|
case R_PPC_EMB_NADDR16_HI:
|
case R_PPC_EMB_NADDR16_HA:
|
case R_PPC_EMB_NADDR16_HA:
|
addend -= 2 * relocation;
|
addend -= 2 * relocation;
|
break;
|
break;
|
|
|
case R_PPC_COPY:
|
case R_PPC_COPY:
|
case R_PPC_GLOB_DAT:
|
case R_PPC_GLOB_DAT:
|
case R_PPC_JMP_SLOT:
|
case R_PPC_JMP_SLOT:
|
case R_PPC_RELATIVE:
|
case R_PPC_RELATIVE:
|
case R_PPC_IRELATIVE:
|
case R_PPC_IRELATIVE:
|
case R_PPC_PLT32:
|
case R_PPC_PLT32:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLTREL32:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_LO:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HI:
|
case R_PPC_PLT16_HA:
|
case R_PPC_PLT16_HA:
|
case R_PPC_ADDR30:
|
case R_PPC_ADDR30:
|
case R_PPC_EMB_RELSEC16:
|
case R_PPC_EMB_RELSEC16:
|
case R_PPC_EMB_RELST_LO:
|
case R_PPC_EMB_RELST_LO:
|
case R_PPC_EMB_RELST_HI:
|
case R_PPC_EMB_RELST_HI:
|
case R_PPC_EMB_RELST_HA:
|
case R_PPC_EMB_RELST_HA:
|
case R_PPC_EMB_BIT_FLD:
|
case R_PPC_EMB_BIT_FLD:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: relocation %s is not yet supported for symbol %s."),
|
(_("%B: relocation %s is not yet supported for symbol %s."),
|
input_bfd,
|
input_bfd,
|
howto->name,
|
howto->name,
|
sym_name);
|
sym_name);
|
|
|
bfd_set_error (bfd_error_invalid_operation);
|
bfd_set_error (bfd_error_invalid_operation);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Do any further special processing. */
|
/* Do any further special processing. */
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case R_PPC_ADDR16_HA:
|
case R_PPC_ADDR16_HA:
|
case R_PPC_REL16_HA:
|
case R_PPC_REL16_HA:
|
case R_PPC_SECTOFF_HA:
|
case R_PPC_SECTOFF_HA:
|
case R_PPC_TPREL16_HA:
|
case R_PPC_TPREL16_HA:
|
case R_PPC_DTPREL16_HA:
|
case R_PPC_DTPREL16_HA:
|
case R_PPC_EMB_NADDR16_HA:
|
case R_PPC_EMB_NADDR16_HA:
|
case R_PPC_EMB_RELST_HA:
|
case R_PPC_EMB_RELST_HA:
|
/* It's just possible that this symbol is a weak symbol
|
/* It's just possible that this symbol is a weak symbol
|
that's not actually defined anywhere. In that case,
|
that's not actually defined anywhere. In that case,
|
'sec' would be NULL, and we should leave the symbol
|
'sec' would be NULL, and we should leave the symbol
|
alone (it will be set to zero elsewhere in the link). */
|
alone (it will be set to zero elsewhere in the link). */
|
if (sec == NULL)
|
if (sec == NULL)
|
break;
|
break;
|
/* Fall thru */
|
/* Fall thru */
|
|
|
case R_PPC_PLT16_HA:
|
case R_PPC_PLT16_HA:
|
case R_PPC_GOT16_HA:
|
case R_PPC_GOT16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSGD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TLSLD16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_TPREL16_HA:
|
case R_PPC_GOT_DTPREL16_HA:
|
case R_PPC_GOT_DTPREL16_HA:
|
/* Add 0x10000 if sign bit in 0:15 is set.
|
/* Add 0x10000 if sign bit in 0:15 is set.
|
Bits 0:15 are not used. */
|
Bits 0:15 are not used. */
|
addend += 0x8000;
|
addend += 0x8000;
|
break;
|
break;
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
|
fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, "
|
"offset = %ld, addend = %ld\n",
|
"offset = %ld, addend = %ld\n",
|
howto->name,
|
howto->name,
|
(int) r_type,
|
(int) r_type,
|
sym_name,
|
sym_name,
|
r_symndx,
|
r_symndx,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
(long) addend);
|
(long) addend);
|
#endif
|
#endif
|
|
|
if (unresolved_reloc
|
if (unresolved_reloc
|
&& !((input_section->flags & SEC_DEBUGGING) != 0
|
&& !((input_section->flags & SEC_DEBUGGING) != 0
|
&& h->def_dynamic))
|
&& h->def_dynamic))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
|
(_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
(long) rel->r_offset,
|
(long) rel->r_offset,
|
howto->name,
|
howto->name,
|
sym_name);
|
sym_name);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
|
|
r = _bfd_final_link_relocate (howto,
|
r = _bfd_final_link_relocate (howto,
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
contents,
|
contents,
|
rel->r_offset,
|
rel->r_offset,
|
relocation,
|
relocation,
|
addend);
|
addend);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
if (r == bfd_reloc_overflow)
|
if (r == bfd_reloc_overflow)
|
{
|
{
|
if (warned)
|
if (warned)
|
continue;
|
continue;
|
if (h != NULL
|
if (h != NULL
|
&& h->root.type == bfd_link_hash_undefweak
|
&& h->root.type == bfd_link_hash_undefweak
|
&& howto->pc_relative)
|
&& howto->pc_relative)
|
{
|
{
|
/* Assume this is a call protected by other code that
|
/* Assume this is a call protected by other code that
|
detect the symbol is undefined. If this is the case,
|
detect the symbol is undefined. If this is the case,
|
we can safely ignore the overflow. If not, the
|
we can safely ignore the overflow. If not, the
|
program is hosed anyway, and a little warning isn't
|
program is hosed anyway, and a little warning isn't
|
going to help. */
|
going to help. */
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
if (! (*info->callbacks->reloc_overflow) (info,
|
if (! (*info->callbacks->reloc_overflow) (info,
|
(h ? &h->root : NULL),
|
(h ? &h->root : NULL),
|
sym_name,
|
sym_name,
|
howto->name,
|
howto->name,
|
rel->r_addend,
|
rel->r_addend,
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
rel->r_offset))
|
rel->r_offset))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
|
(_("%B(%A+0x%lx): %s reloc against `%s': error %d"),
|
input_bfd, input_section,
|
input_bfd, input_section,
|
(long) rel->r_offset, howto->name, sym_name, (int) r);
|
(long) rel->r_offset, howto->name, sym_name, (int) r);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
#endif
|
#endif
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Finish up dynamic symbol handling. We set the contents of various
|
/* Finish up dynamic symbol handling. We set the contents of various
|
dynamic sections here. */
|
dynamic sections here. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_finish_dynamic_symbol (bfd *output_bfd,
|
ppc_elf_finish_dynamic_symbol (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
struct elf_link_hash_entry *h,
|
struct elf_link_hash_entry *h,
|
Elf_Internal_Sym *sym)
|
Elf_Internal_Sym *sym)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
struct plt_entry *ent;
|
struct plt_entry *ent;
|
bfd_boolean doneone;
|
bfd_boolean doneone;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
|
fprintf (stderr, "ppc_elf_finish_dynamic_symbol called for %s",
|
h->root.root.string);
|
h->root.root.string);
|
#endif
|
#endif
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
BFD_ASSERT (htab->elf.dynobj != NULL);
|
BFD_ASSERT (htab->elf.dynobj != NULL);
|
|
|
doneone = FALSE;
|
doneone = FALSE;
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
for (ent = h->plt.plist; ent != NULL; ent = ent->next)
|
if (ent->plt.offset != (bfd_vma) -1)
|
if (ent->plt.offset != (bfd_vma) -1)
|
{
|
{
|
if (!doneone)
|
if (!doneone)
|
{
|
{
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
bfd_vma reloc_index;
|
bfd_vma reloc_index;
|
|
|
if (htab->plt_type == PLT_NEW
|
if (htab->plt_type == PLT_NEW
|
|| !htab->elf.dynamic_sections_created
|
|| !htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
reloc_index = ent->plt.offset / 4;
|
reloc_index = ent->plt.offset / 4;
|
else
|
else
|
{
|
{
|
reloc_index = ((ent->plt.offset - htab->plt_initial_entry_size)
|
reloc_index = ((ent->plt.offset - htab->plt_initial_entry_size)
|
/ htab->plt_slot_size);
|
/ htab->plt_slot_size);
|
if (reloc_index > PLT_NUM_SINGLE_ENTRIES
|
if (reloc_index > PLT_NUM_SINGLE_ENTRIES
|
&& htab->plt_type == PLT_OLD)
|
&& htab->plt_type == PLT_OLD)
|
reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
|
reloc_index -= (reloc_index - PLT_NUM_SINGLE_ENTRIES) / 2;
|
}
|
}
|
|
|
/* This symbol has an entry in the procedure linkage table.
|
/* This symbol has an entry in the procedure linkage table.
|
Set it up. */
|
Set it up. */
|
if (htab->plt_type == PLT_VXWORKS
|
if (htab->plt_type == PLT_VXWORKS
|
&& htab->elf.dynamic_sections_created
|
&& htab->elf.dynamic_sections_created
|
&& h->dynindx != -1)
|
&& h->dynindx != -1)
|
{
|
{
|
bfd_vma got_offset;
|
bfd_vma got_offset;
|
const bfd_vma *plt_entry;
|
const bfd_vma *plt_entry;
|
|
|
/* The first three entries in .got.plt are reserved. */
|
/* The first three entries in .got.plt are reserved. */
|
got_offset = (reloc_index + 3) * 4;
|
got_offset = (reloc_index + 3) * 4;
|
|
|
/* Use the right PLT. */
|
/* Use the right PLT. */
|
plt_entry = info->shared ? ppc_elf_vxworks_pic_plt_entry
|
plt_entry = info->shared ? ppc_elf_vxworks_pic_plt_entry
|
: ppc_elf_vxworks_plt_entry;
|
: ppc_elf_vxworks_plt_entry;
|
|
|
/* Fill in the .plt on VxWorks. */
|
/* Fill in the .plt on VxWorks. */
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
plt_entry[0] | PPC_HA (got_offset),
|
plt_entry[0] | PPC_HA (got_offset),
|
htab->plt->contents + ent->plt.offset + 0);
|
htab->plt->contents + ent->plt.offset + 0);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
plt_entry[1] | PPC_LO (got_offset),
|
plt_entry[1] | PPC_LO (got_offset),
|
htab->plt->contents + ent->plt.offset + 4);
|
htab->plt->contents + ent->plt.offset + 4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma got_loc = got_offset + SYM_VAL (htab->elf.hgot);
|
bfd_vma got_loc = got_offset + SYM_VAL (htab->elf.hgot);
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
plt_entry[0] | PPC_HA (got_loc),
|
plt_entry[0] | PPC_HA (got_loc),
|
htab->plt->contents + ent->plt.offset + 0);
|
htab->plt->contents + ent->plt.offset + 0);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
plt_entry[1] | PPC_LO (got_loc),
|
plt_entry[1] | PPC_LO (got_loc),
|
htab->plt->contents + ent->plt.offset + 4);
|
htab->plt->contents + ent->plt.offset + 4);
|
}
|
}
|
|
|
bfd_put_32 (output_bfd, plt_entry[2],
|
bfd_put_32 (output_bfd, plt_entry[2],
|
htab->plt->contents + ent->plt.offset + 8);
|
htab->plt->contents + ent->plt.offset + 8);
|
bfd_put_32 (output_bfd, plt_entry[3],
|
bfd_put_32 (output_bfd, plt_entry[3],
|
htab->plt->contents + ent->plt.offset + 12);
|
htab->plt->contents + ent->plt.offset + 12);
|
|
|
/* This instruction is an immediate load. The value loaded is
|
/* This instruction is an immediate load. The value loaded is
|
the byte offset of the R_PPC_JMP_SLOT relocation from the
|
the byte offset of the R_PPC_JMP_SLOT relocation from the
|
start of the .rela.plt section. The value is stored in the
|
start of the .rela.plt section. The value is stored in the
|
low-order 16 bits of the load instruction. */
|
low-order 16 bits of the load instruction. */
|
/* NOTE: It appears that this is now an index rather than a
|
/* NOTE: It appears that this is now an index rather than a
|
prescaled offset. */
|
prescaled offset. */
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
plt_entry[4] | reloc_index,
|
plt_entry[4] | reloc_index,
|
htab->plt->contents + ent->plt.offset + 16);
|
htab->plt->contents + ent->plt.offset + 16);
|
/* This instruction is a PC-relative branch whose target is
|
/* This instruction is a PC-relative branch whose target is
|
the start of the PLT section. The address of this branch
|
the start of the PLT section. The address of this branch
|
instruction is 20 bytes beyond the start of this PLT entry.
|
instruction is 20 bytes beyond the start of this PLT entry.
|
The address is encoded in bits 6-29, inclusive. The value
|
The address is encoded in bits 6-29, inclusive. The value
|
stored is right-shifted by two bits, permitting a 26-bit
|
stored is right-shifted by two bits, permitting a 26-bit
|
offset. */
|
offset. */
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(plt_entry[5]
|
(plt_entry[5]
|
| (-(ent->plt.offset + 20) & 0x03fffffc)),
|
| (-(ent->plt.offset + 20) & 0x03fffffc)),
|
htab->plt->contents + ent->plt.offset + 20);
|
htab->plt->contents + ent->plt.offset + 20);
|
bfd_put_32 (output_bfd, plt_entry[6],
|
bfd_put_32 (output_bfd, plt_entry[6],
|
htab->plt->contents + ent->plt.offset + 24);
|
htab->plt->contents + ent->plt.offset + 24);
|
bfd_put_32 (output_bfd, plt_entry[7],
|
bfd_put_32 (output_bfd, plt_entry[7],
|
htab->plt->contents + ent->plt.offset + 28);
|
htab->plt->contents + ent->plt.offset + 28);
|
|
|
/* Fill in the GOT entry corresponding to this PLT slot with
|
/* Fill in the GOT entry corresponding to this PLT slot with
|
the address immediately after the the "bctr" instruction
|
the address immediately after the the "bctr" instruction
|
in this PLT entry. */
|
in this PLT entry. */
|
bfd_put_32 (output_bfd, (htab->plt->output_section->vma
|
bfd_put_32 (output_bfd, (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset + 16),
|
+ ent->plt.offset + 16),
|
htab->sgotplt->contents + got_offset);
|
htab->sgotplt->contents + got_offset);
|
|
|
if (!info->shared)
|
if (!info->shared)
|
{
|
{
|
/* Fill in a couple of entries in .rela.plt.unloaded. */
|
/* Fill in a couple of entries in .rela.plt.unloaded. */
|
loc = htab->srelplt2->contents
|
loc = htab->srelplt2->contents
|
+ ((VXWORKS_PLTRESOLVE_RELOCS + reloc_index
|
+ ((VXWORKS_PLTRESOLVE_RELOCS + reloc_index
|
* VXWORKS_PLT_NON_JMP_SLOT_RELOCS)
|
* VXWORKS_PLT_NON_JMP_SLOT_RELOCS)
|
* sizeof (Elf32_External_Rela));
|
* sizeof (Elf32_External_Rela));
|
|
|
/* Provide the @ha relocation for the first instruction. */
|
/* Provide the @ha relocation for the first instruction. */
|
rela.r_offset = (htab->plt->output_section->vma
|
rela.r_offset = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset + 2);
|
+ ent->plt.offset + 2);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
|
R_PPC_ADDR16_HA);
|
R_PPC_ADDR16_HA);
|
rela.r_addend = got_offset;
|
rela.r_addend = got_offset;
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Provide the @l relocation for the second instruction. */
|
/* Provide the @l relocation for the second instruction. */
|
rela.r_offset = (htab->plt->output_section->vma
|
rela.r_offset = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ ent->plt.offset + 6);
|
+ ent->plt.offset + 6);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx,
|
R_PPC_ADDR16_LO);
|
R_PPC_ADDR16_LO);
|
rela.r_addend = got_offset;
|
rela.r_addend = got_offset;
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Provide a relocation for the GOT entry corresponding to this
|
/* Provide a relocation for the GOT entry corresponding to this
|
PLT slot. Point it at the middle of the .plt entry. */
|
PLT slot. Point it at the middle of the .plt entry. */
|
rela.r_offset = (htab->sgotplt->output_section->vma
|
rela.r_offset = (htab->sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->sgotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx,
|
rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx,
|
R_PPC_ADDR32);
|
R_PPC_ADDR32);
|
rela.r_addend = ent->plt.offset + 16;
|
rela.r_addend = ent->plt.offset + 16;
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
/* VxWorks uses non-standard semantics for R_PPC_JMP_SLOT.
|
/* VxWorks uses non-standard semantics for R_PPC_JMP_SLOT.
|
In particular, the offset for the relocation is not the
|
In particular, the offset for the relocation is not the
|
address of the PLT entry for this function, as specified
|
address of the PLT entry for this function, as specified
|
by the ABI. Instead, the offset is set to the address of
|
by the ABI. Instead, the offset is set to the address of
|
the GOT slot for this function. See EABI 4.4.4.1. */
|
the GOT slot for this function. See EABI 4.4.4.1. */
|
rela.r_offset = (htab->sgotplt->output_section->vma
|
rela.r_offset = (htab->sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->sgotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
|
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *splt = htab->plt;
|
asection *splt = htab->plt;
|
if (!htab->elf.dynamic_sections_created
|
if (!htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
splt = htab->iplt;
|
splt = htab->iplt;
|
|
|
rela.r_offset = (splt->output_section->vma
|
rela.r_offset = (splt->output_section->vma
|
+ splt->output_offset
|
+ splt->output_offset
|
+ ent->plt.offset);
|
+ ent->plt.offset);
|
if (htab->plt_type == PLT_OLD
|
if (htab->plt_type == PLT_OLD
|
|| !htab->elf.dynamic_sections_created
|
|| !htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
{
|
{
|
/* We don't need to fill in the .plt. The ppc dynamic
|
/* We don't need to fill in the .plt. The ppc dynamic
|
linker will fill it in. */
|
linker will fill it in. */
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_vma val = (htab->glink_pltresolve + ent->plt.offset
|
bfd_vma val = (htab->glink_pltresolve + ent->plt.offset
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_offset);
|
+ htab->glink->output_offset);
|
bfd_put_32 (output_bfd, val,
|
bfd_put_32 (output_bfd, val,
|
splt->contents + ent->plt.offset);
|
splt->contents + ent->plt.offset);
|
}
|
}
|
}
|
}
|
|
|
/* Fill in the entry in the .rela.plt section. */
|
/* Fill in the entry in the .rela.plt section. */
|
rela.r_addend = 0;
|
rela.r_addend = 0;
|
if (!htab->elf.dynamic_sections_created
|
if (!htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
{
|
{
|
BFD_ASSERT (h->type == STT_GNU_IFUNC
|
BFD_ASSERT (h->type == STT_GNU_IFUNC
|
&& h->def_regular
|
&& h->def_regular
|
&& (h->root.type == bfd_link_hash_defined
|
&& (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak));
|
|| h->root.type == bfd_link_hash_defweak));
|
rela.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
rela.r_info = ELF32_R_INFO (0, R_PPC_IRELATIVE);
|
rela.r_addend = SYM_VAL (h);
|
rela.r_addend = SYM_VAL (h);
|
}
|
}
|
else
|
else
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_JMP_SLOT);
|
|
|
if (!htab->elf.dynamic_sections_created
|
if (!htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
loc = (htab->reliplt->contents
|
loc = (htab->reliplt->contents
|
+ (htab->reliplt->reloc_count++
|
+ (htab->reliplt->reloc_count++
|
* sizeof (Elf32_External_Rela)));
|
* sizeof (Elf32_External_Rela)));
|
else
|
else
|
loc = (htab->relplt->contents
|
loc = (htab->relplt->contents
|
+ reloc_index * sizeof (Elf32_External_Rela));
|
+ reloc_index * sizeof (Elf32_External_Rela));
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
|
|
if (!h->def_regular)
|
if (!h->def_regular)
|
{
|
{
|
/* Mark the symbol as undefined, rather than as
|
/* Mark the symbol as undefined, rather than as
|
defined in the .plt section. Leave the value if
|
defined in the .plt section. Leave the value if
|
there were any relocations where pointer equality
|
there were any relocations where pointer equality
|
matters (this is a clue for the dynamic linker, to
|
matters (this is a clue for the dynamic linker, to
|
make function pointer comparisons work between an
|
make function pointer comparisons work between an
|
application and shared library), otherwise set it
|
application and shared library), otherwise set it
|
to zero. */
|
to zero. */
|
sym->st_shndx = SHN_UNDEF;
|
sym->st_shndx = SHN_UNDEF;
|
if (!h->pointer_equality_needed)
|
if (!h->pointer_equality_needed)
|
sym->st_value = 0;
|
sym->st_value = 0;
|
else if (!h->ref_regular_nonweak)
|
else if (!h->ref_regular_nonweak)
|
{
|
{
|
/* This breaks function pointer comparisons, but
|
/* This breaks function pointer comparisons, but
|
that is better than breaking tests for a NULL
|
that is better than breaking tests for a NULL
|
function pointer. */
|
function pointer. */
|
sym->st_value = 0;
|
sym->st_value = 0;
|
}
|
}
|
}
|
}
|
else if (h->type == STT_GNU_IFUNC
|
else if (h->type == STT_GNU_IFUNC
|
&& !info->shared)
|
&& !info->shared)
|
{
|
{
|
/* Set the value of ifunc symbols in a non-pie
|
/* Set the value of ifunc symbols in a non-pie
|
executable to the glink entry. This is to avoid
|
executable to the glink entry. This is to avoid
|
text relocations. We can't do this for ifunc in
|
text relocations. We can't do this for ifunc in
|
allocate_dynrelocs, as we do for normal dynamic
|
allocate_dynrelocs, as we do for normal dynamic
|
function symbols with plt entries, because we need
|
function symbols with plt entries, because we need
|
to keep the original value around for the ifunc
|
to keep the original value around for the ifunc
|
relocation. */
|
relocation. */
|
sym->st_shndx = (_bfd_elf_section_from_bfd_section
|
sym->st_shndx = (_bfd_elf_section_from_bfd_section
|
(output_bfd, htab->glink->output_section));
|
(output_bfd, htab->glink->output_section));
|
sym->st_value = (ent->glink_offset +
|
sym->st_value = (ent->glink_offset +
|
htab->glink->output_offset
|
htab->glink->output_offset
|
+ htab->glink->output_section->vma);
|
+ htab->glink->output_section->vma);
|
}
|
}
|
doneone = TRUE;
|
doneone = TRUE;
|
}
|
}
|
|
|
if (htab->plt_type == PLT_NEW
|
if (htab->plt_type == PLT_NEW
|
|| !htab->elf.dynamic_sections_created
|
|| !htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
{
|
{
|
unsigned char *p;
|
unsigned char *p;
|
asection *splt = htab->plt;
|
asection *splt = htab->plt;
|
if (!htab->elf.dynamic_sections_created
|
if (!htab->elf.dynamic_sections_created
|
|| h->dynindx == -1)
|
|| h->dynindx == -1)
|
splt = htab->iplt;
|
splt = htab->iplt;
|
|
|
p = (unsigned char *) htab->glink->contents + ent->glink_offset;
|
p = (unsigned char *) htab->glink->contents + ent->glink_offset;
|
|
|
if (h == htab->tls_get_addr && !htab->no_tls_get_addr_opt)
|
if (h == htab->tls_get_addr && !htab->no_tls_get_addr_opt)
|
{
|
{
|
bfd_put_32 (output_bfd, LWZ_11_3, p);
|
bfd_put_32 (output_bfd, LWZ_11_3, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, LWZ_12_3 + 4, p);
|
bfd_put_32 (output_bfd, LWZ_12_3 + 4, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, MR_0_3, p);
|
bfd_put_32 (output_bfd, MR_0_3, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, CMPWI_11_0, p);
|
bfd_put_32 (output_bfd, CMPWI_11_0, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, ADD_3_12_2, p);
|
bfd_put_32 (output_bfd, ADD_3_12_2, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, BEQLR, p);
|
bfd_put_32 (output_bfd, BEQLR, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, MR_3_0, p);
|
bfd_put_32 (output_bfd, MR_3_0, p);
|
p += 4;
|
p += 4;
|
bfd_put_32 (output_bfd, NOP, p);
|
bfd_put_32 (output_bfd, NOP, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
|
|
write_glink_stub (ent, splt, p, info);
|
write_glink_stub (ent, splt, p, info);
|
|
|
if (!info->shared)
|
if (!info->shared)
|
/* We only need one non-PIC glink stub. */
|
/* We only need one non-PIC glink stub. */
|
break;
|
break;
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
|
|
if (h->needs_copy)
|
if (h->needs_copy)
|
{
|
{
|
asection *s;
|
asection *s;
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbols needs a copy reloc. Set it up. */
|
/* This symbols needs a copy reloc. Set it up. */
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, ", copy");
|
fprintf (stderr, ", copy");
|
#endif
|
#endif
|
|
|
BFD_ASSERT (h->dynindx != -1);
|
BFD_ASSERT (h->dynindx != -1);
|
|
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
if (ppc_elf_hash_entry (h)->has_sda_refs)
|
s = htab->relsbss;
|
s = htab->relsbss;
|
else
|
else
|
s = htab->relbss;
|
s = htab->relbss;
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
rela.r_offset = SYM_VAL (h);
|
rela.r_offset = SYM_VAL (h);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
|
rela.r_info = ELF32_R_INFO (h->dynindx, R_PPC_COPY);
|
rela.r_addend = 0;
|
rela.r_addend = 0;
|
loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
#endif
|
#endif
|
|
|
/* Mark some specially defined symbols as absolute. */
|
/* Mark some specially defined symbols as absolute. */
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
|| (!htab->is_vxworks
|
|| (!htab->is_vxworks
|
&& (h == htab->elf.hgot
|
&& (h == htab->elf.hgot
|
|| strcmp (h->root.root.string,
|
|| strcmp (h->root.root.string,
|
"_PROCEDURE_LINKAGE_TABLE_") == 0)))
|
"_PROCEDURE_LINKAGE_TABLE_") == 0)))
|
sym->st_shndx = SHN_ABS;
|
sym->st_shndx = SHN_ABS;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static enum elf_reloc_type_class
|
static enum elf_reloc_type_class
|
ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
ppc_elf_reloc_type_class (const Elf_Internal_Rela *rela)
|
{
|
{
|
switch (ELF32_R_TYPE (rela->r_info))
|
switch (ELF32_R_TYPE (rela->r_info))
|
{
|
{
|
case R_PPC_RELATIVE:
|
case R_PPC_RELATIVE:
|
return reloc_class_relative;
|
return reloc_class_relative;
|
case R_PPC_REL24:
|
case R_PPC_REL24:
|
case R_PPC_ADDR24:
|
case R_PPC_ADDR24:
|
case R_PPC_JMP_SLOT:
|
case R_PPC_JMP_SLOT:
|
return reloc_class_plt;
|
return reloc_class_plt;
|
case R_PPC_COPY:
|
case R_PPC_COPY:
|
return reloc_class_copy;
|
return reloc_class_copy;
|
default:
|
default:
|
return reloc_class_normal;
|
return reloc_class_normal;
|
}
|
}
|
}
|
}
|
|
|
/* Finish up the dynamic sections. */
|
/* Finish up the dynamic sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_finish_dynamic_sections (bfd *output_bfd,
|
ppc_elf_finish_dynamic_sections (bfd *output_bfd,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
asection *sdyn;
|
asection *sdyn;
|
asection *splt;
|
asection *splt;
|
struct ppc_elf_link_hash_table *htab;
|
struct ppc_elf_link_hash_table *htab;
|
bfd_vma got;
|
bfd_vma got;
|
bfd *dynobj;
|
bfd *dynobj;
|
bfd_boolean ret = TRUE;
|
bfd_boolean ret = TRUE;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
|
fprintf (stderr, "ppc_elf_finish_dynamic_sections called\n");
|
#endif
|
#endif
|
|
|
htab = ppc_elf_hash_table (info);
|
htab = ppc_elf_hash_table (info);
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
else
|
else
|
splt = NULL;
|
splt = NULL;
|
|
|
got = 0;
|
got = 0;
|
if (htab->elf.hgot != NULL)
|
if (htab->elf.hgot != NULL)
|
got = SYM_VAL (htab->elf.hgot);
|
got = SYM_VAL (htab->elf.hgot);
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
Elf32_External_Dyn *dyncon, *dynconend;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
|
|
BFD_ASSERT (htab->plt != NULL && sdyn != NULL);
|
BFD_ASSERT (htab->plt != NULL && sdyn != NULL);
|
|
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
for (; dyncon < dynconend; dyncon++)
|
for (; dyncon < dynconend; dyncon++)
|
{
|
{
|
Elf_Internal_Dyn dyn;
|
Elf_Internal_Dyn dyn;
|
asection *s;
|
asection *s;
|
|
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
|
|
switch (dyn.d_tag)
|
switch (dyn.d_tag)
|
{
|
{
|
case DT_PLTGOT:
|
case DT_PLTGOT:
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
s = htab->sgotplt;
|
s = htab->sgotplt;
|
else
|
else
|
s = htab->plt;
|
s = htab->plt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_PLTRELSZ:
|
case DT_PLTRELSZ:
|
dyn.d_un.d_val = htab->relplt->size;
|
dyn.d_un.d_val = htab->relplt->size;
|
break;
|
break;
|
|
|
case DT_JMPREL:
|
case DT_JMPREL:
|
s = htab->relplt;
|
s = htab->relplt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_PPC_GOT:
|
case DT_PPC_GOT:
|
dyn.d_un.d_ptr = got;
|
dyn.d_un.d_ptr = got;
|
break;
|
break;
|
|
|
case DT_RELASZ:
|
case DT_RELASZ:
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
{
|
{
|
if (htab->relplt)
|
if (htab->relplt)
|
dyn.d_un.d_ptr -= htab->relplt->size;
|
dyn.d_un.d_ptr -= htab->relplt->size;
|
break;
|
break;
|
}
|
}
|
continue;
|
continue;
|
|
|
default:
|
default:
|
if (htab->is_vxworks
|
if (htab->is_vxworks
|
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
break;
|
break;
|
continue;
|
continue;
|
}
|
}
|
|
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
}
|
}
|
}
|
}
|
|
|
if (htab->got != NULL)
|
if (htab->got != NULL)
|
{
|
{
|
if (htab->elf.hgot->root.u.def.section == htab->got
|
if (htab->elf.hgot->root.u.def.section == htab->got
|
|| htab->elf.hgot->root.u.def.section == htab->sgotplt)
|
|| htab->elf.hgot->root.u.def.section == htab->sgotplt)
|
{
|
{
|
unsigned char *p = htab->elf.hgot->root.u.def.section->contents;
|
unsigned char *p = htab->elf.hgot->root.u.def.section->contents;
|
|
|
p += htab->elf.hgot->root.u.def.value;
|
p += htab->elf.hgot->root.u.def.value;
|
if (htab->plt_type == PLT_OLD)
|
if (htab->plt_type == PLT_OLD)
|
{
|
{
|
/* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4
|
/* Add a blrl instruction at _GLOBAL_OFFSET_TABLE_-4
|
so that a function can easily find the address of
|
so that a function can easily find the address of
|
_GLOBAL_OFFSET_TABLE_. */
|
_GLOBAL_OFFSET_TABLE_. */
|
BFD_ASSERT (htab->elf.hgot->root.u.def.value - 4
|
BFD_ASSERT (htab->elf.hgot->root.u.def.value - 4
|
< htab->elf.hgot->root.u.def.section->size);
|
< htab->elf.hgot->root.u.def.section->size);
|
bfd_put_32 (output_bfd, 0x4e800021, p - 4);
|
bfd_put_32 (output_bfd, 0x4e800021, p - 4);
|
}
|
}
|
|
|
if (sdyn != NULL)
|
if (sdyn != NULL)
|
{
|
{
|
bfd_vma val = sdyn->output_section->vma + sdyn->output_offset;
|
bfd_vma val = sdyn->output_section->vma + sdyn->output_offset;
|
BFD_ASSERT (htab->elf.hgot->root.u.def.value
|
BFD_ASSERT (htab->elf.hgot->root.u.def.value
|
< htab->elf.hgot->root.u.def.section->size);
|
< htab->elf.hgot->root.u.def.section->size);
|
bfd_put_32 (output_bfd, val, p);
|
bfd_put_32 (output_bfd, val, p);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
(*_bfd_error_handler) (_("%s not defined in linker created %s"),
|
(*_bfd_error_handler) (_("%s not defined in linker created %s"),
|
htab->elf.hgot->root.root.string,
|
htab->elf.hgot->root.root.string,
|
(htab->sgotplt != NULL
|
(htab->sgotplt != NULL
|
? htab->sgotplt->name : htab->got->name));
|
? htab->sgotplt->name : htab->got->name));
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
}
|
}
|
|
|
elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (htab->got->output_section)->this_hdr.sh_entsize = 4;
|
}
|
}
|
|
|
/* Fill in the first entry in the VxWorks procedure linkage table. */
|
/* Fill in the first entry in the VxWorks procedure linkage table. */
|
if (splt && splt->size > 0)
|
if (splt && splt->size > 0)
|
{
|
{
|
/* Use the right PLT. */
|
/* Use the right PLT. */
|
static const bfd_vma *plt_entry = NULL;
|
static const bfd_vma *plt_entry = NULL;
|
plt_entry = info->shared ?
|
plt_entry = info->shared ?
|
ppc_elf_vxworks_pic_plt0_entry : ppc_elf_vxworks_plt0_entry;
|
ppc_elf_vxworks_pic_plt0_entry : ppc_elf_vxworks_plt0_entry;
|
|
|
if (!info->shared)
|
if (!info->shared)
|
{
|
{
|
bfd_vma got_value = SYM_VAL (htab->elf.hgot);
|
bfd_vma got_value = SYM_VAL (htab->elf.hgot);
|
|
|
bfd_put_32 (output_bfd, plt_entry[0] | PPC_HA (got_value),
|
bfd_put_32 (output_bfd, plt_entry[0] | PPC_HA (got_value),
|
splt->contents + 0);
|
splt->contents + 0);
|
bfd_put_32 (output_bfd, plt_entry[1] | PPC_LO (got_value),
|
bfd_put_32 (output_bfd, plt_entry[1] | PPC_LO (got_value),
|
splt->contents + 4);
|
splt->contents + 4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, plt_entry[0], splt->contents + 0);
|
bfd_put_32 (output_bfd, plt_entry[0], splt->contents + 0);
|
bfd_put_32 (output_bfd, plt_entry[1], splt->contents + 4);
|
bfd_put_32 (output_bfd, plt_entry[1], splt->contents + 4);
|
}
|
}
|
bfd_put_32 (output_bfd, plt_entry[2], splt->contents + 8);
|
bfd_put_32 (output_bfd, plt_entry[2], splt->contents + 8);
|
bfd_put_32 (output_bfd, plt_entry[3], splt->contents + 12);
|
bfd_put_32 (output_bfd, plt_entry[3], splt->contents + 12);
|
bfd_put_32 (output_bfd, plt_entry[4], splt->contents + 16);
|
bfd_put_32 (output_bfd, plt_entry[4], splt->contents + 16);
|
bfd_put_32 (output_bfd, plt_entry[5], splt->contents + 20);
|
bfd_put_32 (output_bfd, plt_entry[5], splt->contents + 20);
|
bfd_put_32 (output_bfd, plt_entry[6], splt->contents + 24);
|
bfd_put_32 (output_bfd, plt_entry[6], splt->contents + 24);
|
bfd_put_32 (output_bfd, plt_entry[7], splt->contents + 28);
|
bfd_put_32 (output_bfd, plt_entry[7], splt->contents + 28);
|
|
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
Elf_Internal_Rela rela;
|
Elf_Internal_Rela rela;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
loc = htab->srelplt2->contents;
|
loc = htab->srelplt2->contents;
|
|
|
/* Output the @ha relocation for the first instruction. */
|
/* Output the @ha relocation for the first instruction. */
|
rela.r_offset = (htab->plt->output_section->vma
|
rela.r_offset = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ 2);
|
+ 2);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
|
rela.r_addend = 0;
|
rela.r_addend = 0;
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Output the @l relocation for the second instruction. */
|
/* Output the @l relocation for the second instruction. */
|
rela.r_offset = (htab->plt->output_section->vma
|
rela.r_offset = (htab->plt->output_section->vma
|
+ htab->plt->output_offset
|
+ htab->plt->output_offset
|
+ 6);
|
+ 6);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
|
rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
|
rela.r_addend = 0;
|
rela.r_addend = 0;
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
/* Fix up the remaining relocations. They may have the wrong
|
/* Fix up the remaining relocations. They may have the wrong
|
symbol index for _G_O_T_ or _P_L_T_ depending on the order
|
symbol index for _G_O_T_ or _P_L_T_ depending on the order
|
in which symbols were output. */
|
in which symbols were output. */
|
while (loc < htab->srelplt2->contents + htab->srelplt2->size)
|
while (loc < htab->srelplt2->contents + htab->srelplt2->size)
|
{
|
{
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
|
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_HA);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_PPC_ADDR16_LO);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
|
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
|
rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_PPC_ADDR32);
|
rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_PPC_ADDR32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
loc += sizeof (Elf32_External_Rela);
|
loc += sizeof (Elf32_External_Rela);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (htab->glink != NULL
|
if (htab->glink != NULL
|
&& htab->glink->contents != NULL
|
&& htab->glink->contents != NULL
|
&& htab->elf.dynamic_sections_created)
|
&& htab->elf.dynamic_sections_created)
|
{
|
{
|
unsigned char *p;
|
unsigned char *p;
|
unsigned char *endp;
|
unsigned char *endp;
|
bfd_vma res0;
|
bfd_vma res0;
|
unsigned int i;
|
unsigned int i;
|
|
|
/*
|
/*
|
* PIC glink code is the following:
|
* PIC glink code is the following:
|
*
|
*
|
* # ith PLT code stub.
|
* # ith PLT code stub.
|
* addis 11,30,(plt+(i-1)*4-got)@ha
|
* addis 11,30,(plt+(i-1)*4-got)@ha
|
* lwz 11,(plt+(i-1)*4-got)@l(11)
|
* lwz 11,(plt+(i-1)*4-got)@l(11)
|
* mtctr 11
|
* mtctr 11
|
* bctr
|
* bctr
|
*
|
*
|
* # A table of branches, one for each plt entry.
|
* # A table of branches, one for each plt entry.
|
* # The idea is that the plt call stub loads ctr and r11 with these
|
* # The idea is that the plt call stub loads ctr and r11 with these
|
* # addresses, so (r11 - res_0) gives the plt index * 4.
|
* # addresses, so (r11 - res_0) gives the plt index * 4.
|
* res_0: b PLTresolve
|
* res_0: b PLTresolve
|
* res_1: b PLTresolve
|
* res_1: b PLTresolve
|
* .
|
* .
|
* # Some number of entries towards the end can be nops
|
* # Some number of entries towards the end can be nops
|
* res_n_m3: nop
|
* res_n_m3: nop
|
* res_n_m2: nop
|
* res_n_m2: nop
|
* res_n_m1:
|
* res_n_m1:
|
*
|
*
|
* PLTresolve:
|
* PLTresolve:
|
* addis 11,11,(1f-res_0)@ha
|
* addis 11,11,(1f-res_0)@ha
|
* mflr 0
|
* mflr 0
|
* bcl 20,31,1f
|
* bcl 20,31,1f
|
* 1: addi 11,11,(1b-res_0)@l
|
* 1: addi 11,11,(1b-res_0)@l
|
* mflr 12
|
* mflr 12
|
* mtlr 0
|
* mtlr 0
|
* sub 11,11,12 # r11 = index * 4
|
* sub 11,11,12 # r11 = index * 4
|
* addis 12,12,(got+4-1b)@ha
|
* addis 12,12,(got+4-1b)@ha
|
* lwz 0,(got+4-1b)@l(12) # got[1] address of dl_runtime_resolve
|
* lwz 0,(got+4-1b)@l(12) # got[1] address of dl_runtime_resolve
|
* lwz 12,(got+8-1b)@l(12) # got[2] contains the map address
|
* lwz 12,(got+8-1b)@l(12) # got[2] contains the map address
|
* mtctr 0
|
* mtctr 0
|
* add 0,11,11
|
* add 0,11,11
|
* add 11,0,11 # r11 = index * 12 = reloc offset.
|
* add 11,0,11 # r11 = index * 12 = reloc offset.
|
* bctr
|
* bctr
|
*/
|
*/
|
static const unsigned int pic_plt_resolve[] =
|
static const unsigned int pic_plt_resolve[] =
|
{
|
{
|
ADDIS_11_11,
|
ADDIS_11_11,
|
MFLR_0,
|
MFLR_0,
|
BCL_20_31,
|
BCL_20_31,
|
ADDI_11_11,
|
ADDI_11_11,
|
MFLR_12,
|
MFLR_12,
|
MTLR_0,
|
MTLR_0,
|
SUB_11_11_12,
|
SUB_11_11_12,
|
ADDIS_12_12,
|
ADDIS_12_12,
|
LWZ_0_12,
|
LWZ_0_12,
|
LWZ_12_12,
|
LWZ_12_12,
|
MTCTR_0,
|
MTCTR_0,
|
ADD_0_11_11,
|
ADD_0_11_11,
|
ADD_11_0_11,
|
ADD_11_0_11,
|
BCTR,
|
BCTR,
|
NOP,
|
NOP,
|
NOP
|
NOP
|
};
|
};
|
|
|
/*
|
/*
|
* Non-PIC glink code is a little simpler.
|
* Non-PIC glink code is a little simpler.
|
*
|
*
|
* # ith PLT code stub.
|
* # ith PLT code stub.
|
* lis 11,(plt+(i-1)*4)@ha
|
* lis 11,(plt+(i-1)*4)@ha
|
* lwz 11,(plt+(i-1)*4)@l(11)
|
* lwz 11,(plt+(i-1)*4)@l(11)
|
* mtctr 11
|
* mtctr 11
|
* bctr
|
* bctr
|
*
|
*
|
* The branch table is the same, then comes
|
* The branch table is the same, then comes
|
*
|
*
|
* PLTresolve:
|
* PLTresolve:
|
* lis 12,(got+4)@ha
|
* lis 12,(got+4)@ha
|
* addis 11,11,(-res_0)@ha
|
* addis 11,11,(-res_0)@ha
|
* lwz 0,(got+4)@l(12) # got[1] address of dl_runtime_resolve
|
* lwz 0,(got+4)@l(12) # got[1] address of dl_runtime_resolve
|
* addi 11,11,(-res_0)@l # r11 = index * 4
|
* addi 11,11,(-res_0)@l # r11 = index * 4
|
* mtctr 0
|
* mtctr 0
|
* add 0,11,11
|
* add 0,11,11
|
* lwz 12,(got+8)@l(12) # got[2] contains the map address
|
* lwz 12,(got+8)@l(12) # got[2] contains the map address
|
* add 11,0,11 # r11 = index * 12 = reloc offset.
|
* add 11,0,11 # r11 = index * 12 = reloc offset.
|
* bctr
|
* bctr
|
*/
|
*/
|
static const unsigned int plt_resolve[] =
|
static const unsigned int plt_resolve[] =
|
{
|
{
|
LIS_12,
|
LIS_12,
|
ADDIS_11_11,
|
ADDIS_11_11,
|
LWZ_0_12,
|
LWZ_0_12,
|
ADDI_11_11,
|
ADDI_11_11,
|
MTCTR_0,
|
MTCTR_0,
|
ADD_0_11_11,
|
ADD_0_11_11,
|
LWZ_12_12,
|
LWZ_12_12,
|
ADD_11_0_11,
|
ADD_11_0_11,
|
BCTR,
|
BCTR,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP,
|
NOP
|
NOP
|
};
|
};
|
|
|
if (ARRAY_SIZE (pic_plt_resolve) != GLINK_PLTRESOLVE / 4)
|
if (ARRAY_SIZE (pic_plt_resolve) != GLINK_PLTRESOLVE / 4)
|
abort ();
|
abort ();
|
if (ARRAY_SIZE (plt_resolve) != GLINK_PLTRESOLVE / 4)
|
if (ARRAY_SIZE (plt_resolve) != GLINK_PLTRESOLVE / 4)
|
abort ();
|
abort ();
|
|
|
/* Build the branch table, one for each plt entry (less one),
|
/* Build the branch table, one for each plt entry (less one),
|
and perhaps some padding. */
|
and perhaps some padding. */
|
p = htab->glink->contents;
|
p = htab->glink->contents;
|
p += htab->glink_pltresolve;
|
p += htab->glink_pltresolve;
|
endp = htab->glink->contents;
|
endp = htab->glink->contents;
|
endp += htab->glink->size - GLINK_PLTRESOLVE;
|
endp += htab->glink->size - GLINK_PLTRESOLVE;
|
while (p < endp - 8 * 4)
|
while (p < endp - 8 * 4)
|
{
|
{
|
bfd_put_32 (output_bfd, B + endp - p, p);
|
bfd_put_32 (output_bfd, B + endp - p, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
while (p < endp)
|
while (p < endp)
|
{
|
{
|
bfd_put_32 (output_bfd, NOP, p);
|
bfd_put_32 (output_bfd, NOP, p);
|
p += 4;
|
p += 4;
|
}
|
}
|
|
|
res0 = (htab->glink_pltresolve
|
res0 = (htab->glink_pltresolve
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_offset);
|
+ htab->glink->output_offset);
|
|
|
/* Last comes the PLTresolve stub. */
|
/* Last comes the PLTresolve stub. */
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
bfd_vma bcl;
|
bfd_vma bcl;
|
|
|
for (i = 0; i < ARRAY_SIZE (pic_plt_resolve); i++)
|
for (i = 0; i < ARRAY_SIZE (pic_plt_resolve); i++)
|
{
|
{
|
bfd_put_32 (output_bfd, pic_plt_resolve[i], p);
|
bfd_put_32 (output_bfd, pic_plt_resolve[i], p);
|
p += 4;
|
p += 4;
|
}
|
}
|
p -= 4 * ARRAY_SIZE (pic_plt_resolve);
|
p -= 4 * ARRAY_SIZE (pic_plt_resolve);
|
|
|
bcl = (htab->glink->size - GLINK_PLTRESOLVE + 3*4
|
bcl = (htab->glink->size - GLINK_PLTRESOLVE + 3*4
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_section->vma
|
+ htab->glink->output_offset);
|
+ htab->glink->output_offset);
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
ADDIS_11_11 + PPC_HA (bcl - res0), p + 0*4);
|
ADDIS_11_11 + PPC_HA (bcl - res0), p + 0*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
ADDI_11_11 + PPC_LO (bcl - res0), p + 3*4);
|
ADDI_11_11 + PPC_LO (bcl - res0), p + 3*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
ADDIS_12_12 + PPC_HA (got + 4 - bcl), p + 7*4);
|
ADDIS_12_12 + PPC_HA (got + 4 - bcl), p + 7*4);
|
if (PPC_HA (got + 4 - bcl) == PPC_HA (got + 8 - bcl))
|
if (PPC_HA (got + 4 - bcl) == PPC_HA (got + 8 - bcl))
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
|
LWZ_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_12_12 + PPC_LO (got + 8 - bcl), p + 9*4);
|
LWZ_12_12 + PPC_LO (got + 8 - bcl), p + 9*4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZU_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
|
LWZU_0_12 + PPC_LO (got + 4 - bcl), p + 8*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_12_12 + 4, p + 9*4);
|
LWZ_12_12 + 4, p + 9*4);
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
for (i = 0; i < ARRAY_SIZE (plt_resolve); i++)
|
for (i = 0; i < ARRAY_SIZE (plt_resolve); i++)
|
{
|
{
|
bfd_put_32 (output_bfd, plt_resolve[i], p);
|
bfd_put_32 (output_bfd, plt_resolve[i], p);
|
p += 4;
|
p += 4;
|
}
|
}
|
p -= 4 * ARRAY_SIZE (plt_resolve);
|
p -= 4 * ARRAY_SIZE (plt_resolve);
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LIS_12 + PPC_HA (got + 4), p + 0*4);
|
LIS_12 + PPC_HA (got + 4), p + 0*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
ADDIS_11_11 + PPC_HA (-res0), p + 1*4);
|
ADDIS_11_11 + PPC_HA (-res0), p + 1*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
ADDI_11_11 + PPC_LO (-res0), p + 3*4);
|
ADDI_11_11 + PPC_LO (-res0), p + 3*4);
|
if (PPC_HA (got + 4) == PPC_HA (got + 8))
|
if (PPC_HA (got + 4) == PPC_HA (got + 8))
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_0_12 + PPC_LO (got + 4), p + 2*4);
|
LWZ_0_12 + PPC_LO (got + 4), p + 2*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_12_12 + PPC_LO (got + 8), p + 6*4);
|
LWZ_12_12 + PPC_LO (got + 8), p + 6*4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZU_0_12 + PPC_LO (got + 4), p + 2*4);
|
LWZU_0_12 + PPC_LO (got + 4), p + 2*4);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
LWZ_12_12 + 4, p + 6*4);
|
LWZ_12_12 + 4, p + 6*4);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_powerpcle_vec
|
#define TARGET_LITTLE_NAME "elf32-powerpcle"
|
#define TARGET_LITTLE_NAME "elf32-powerpcle"
|
#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
|
#define TARGET_BIG_SYM bfd_elf32_powerpc_vec
|
#define TARGET_BIG_NAME "elf32-powerpc"
|
#define TARGET_BIG_NAME "elf32-powerpc"
|
#define ELF_ARCH bfd_arch_powerpc
|
#define ELF_ARCH bfd_arch_powerpc
|
#define ELF_MACHINE_CODE EM_PPC
|
#define ELF_MACHINE_CODE EM_PPC
|
#ifdef __QNXTARGET__
|
#ifdef __QNXTARGET__
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
#else
|
#else
|
#define ELF_MAXPAGESIZE 0x10000
|
#define ELF_MAXPAGESIZE 0x10000
|
#endif
|
#endif
|
#define ELF_MINPAGESIZE 0x1000
|
#define ELF_MINPAGESIZE 0x1000
|
#define ELF_COMMONPAGESIZE 0x1000
|
#define ELF_COMMONPAGESIZE 0x1000
|
#define elf_info_to_howto ppc_elf_info_to_howto
|
#define elf_info_to_howto ppc_elf_info_to_howto
|
|
|
#ifdef EM_CYGNUS_POWERPC
|
#ifdef EM_CYGNUS_POWERPC
|
#define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
|
#define ELF_MACHINE_ALT1 EM_CYGNUS_POWERPC
|
#endif
|
#endif
|
|
|
#ifdef EM_PPC_OLD
|
#ifdef EM_PPC_OLD
|
#define ELF_MACHINE_ALT2 EM_PPC_OLD
|
#define ELF_MACHINE_ALT2 EM_PPC_OLD
|
#endif
|
#endif
|
|
|
#define elf_backend_plt_not_loaded 1
|
#define elf_backend_plt_not_loaded 1
|
#define elf_backend_can_gc_sections 1
|
#define elf_backend_can_gc_sections 1
|
#define elf_backend_can_refcount 1
|
#define elf_backend_can_refcount 1
|
#define elf_backend_rela_normal 1
|
#define elf_backend_rela_normal 1
|
|
|
#define bfd_elf32_mkobject ppc_elf_mkobject
|
#define bfd_elf32_mkobject ppc_elf_mkobject
|
#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
|
#define bfd_elf32_bfd_merge_private_bfd_data ppc_elf_merge_private_bfd_data
|
#define bfd_elf32_bfd_relax_section ppc_elf_relax_section
|
#define bfd_elf32_bfd_relax_section ppc_elf_relax_section
|
#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup ppc_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup ppc_elf_reloc_name_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup ppc_elf_reloc_name_lookup
|
#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
|
#define bfd_elf32_bfd_set_private_flags ppc_elf_set_private_flags
|
#define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
|
#define bfd_elf32_bfd_link_hash_table_create ppc_elf_link_hash_table_create
|
#define bfd_elf32_get_synthetic_symtab ppc_elf_get_synthetic_symtab
|
#define bfd_elf32_get_synthetic_symtab ppc_elf_get_synthetic_symtab
|
|
|
#define elf_backend_object_p ppc_elf_object_p
|
#define elf_backend_object_p ppc_elf_object_p
|
#define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
|
#define elf_backend_gc_mark_hook ppc_elf_gc_mark_hook
|
#define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
|
#define elf_backend_gc_sweep_hook ppc_elf_gc_sweep_hook
|
#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
|
#define elf_backend_section_from_shdr ppc_elf_section_from_shdr
|
#define elf_backend_relocate_section ppc_elf_relocate_section
|
#define elf_backend_relocate_section ppc_elf_relocate_section
|
#define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
|
#define elf_backend_create_dynamic_sections ppc_elf_create_dynamic_sections
|
#define elf_backend_check_relocs ppc_elf_check_relocs
|
#define elf_backend_check_relocs ppc_elf_check_relocs
|
#define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol
|
#define elf_backend_copy_indirect_symbol ppc_elf_copy_indirect_symbol
|
#define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
|
#define elf_backend_adjust_dynamic_symbol ppc_elf_adjust_dynamic_symbol
|
#define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
|
#define elf_backend_add_symbol_hook ppc_elf_add_symbol_hook
|
#define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
|
#define elf_backend_size_dynamic_sections ppc_elf_size_dynamic_sections
|
#define elf_backend_hash_symbol ppc_elf_hash_symbol
|
#define elf_backend_hash_symbol ppc_elf_hash_symbol
|
#define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
|
#define elf_backend_finish_dynamic_symbol ppc_elf_finish_dynamic_symbol
|
#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
|
#define elf_backend_finish_dynamic_sections ppc_elf_finish_dynamic_sections
|
#define elf_backend_fake_sections ppc_elf_fake_sections
|
#define elf_backend_fake_sections ppc_elf_fake_sections
|
#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
|
#define elf_backend_additional_program_headers ppc_elf_additional_program_headers
|
#define elf_backend_grok_prstatus ppc_elf_grok_prstatus
|
#define elf_backend_grok_prstatus ppc_elf_grok_prstatus
|
#define elf_backend_grok_psinfo ppc_elf_grok_psinfo
|
#define elf_backend_grok_psinfo ppc_elf_grok_psinfo
|
#define elf_backend_write_core_note ppc_elf_write_core_note
|
#define elf_backend_write_core_note ppc_elf_write_core_note
|
#define elf_backend_reloc_type_class ppc_elf_reloc_type_class
|
#define elf_backend_reloc_type_class ppc_elf_reloc_type_class
|
#define elf_backend_begin_write_processing ppc_elf_begin_write_processing
|
#define elf_backend_begin_write_processing ppc_elf_begin_write_processing
|
#define elf_backend_final_write_processing ppc_elf_final_write_processing
|
#define elf_backend_final_write_processing ppc_elf_final_write_processing
|
#define elf_backend_write_section ppc_elf_write_section
|
#define elf_backend_write_section ppc_elf_write_section
|
#define elf_backend_get_sec_type_attr ppc_elf_get_sec_type_attr
|
#define elf_backend_get_sec_type_attr ppc_elf_get_sec_type_attr
|
#define elf_backend_plt_sym_val ppc_elf_plt_sym_val
|
#define elf_backend_plt_sym_val ppc_elf_plt_sym_val
|
#define elf_backend_action_discarded ppc_elf_action_discarded
|
#define elf_backend_action_discarded ppc_elf_action_discarded
|
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
|
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
|
#define elf_backend_post_process_headers _bfd_elf_set_osabi
|
#define elf_backend_post_process_headers _bfd_elf_set_osabi
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
/* VxWorks Target */
|
/* VxWorks Target */
|
|
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_NAME
|
#undef TARGET_LITTLE_NAME
|
|
|
#undef TARGET_BIG_SYM
|
#undef TARGET_BIG_SYM
|
#define TARGET_BIG_SYM bfd_elf32_powerpc_vxworks_vec
|
#define TARGET_BIG_SYM bfd_elf32_powerpc_vxworks_vec
|
#undef TARGET_BIG_NAME
|
#undef TARGET_BIG_NAME
|
#define TARGET_BIG_NAME "elf32-powerpc-vxworks"
|
#define TARGET_BIG_NAME "elf32-powerpc-vxworks"
|
|
|
/* VxWorks uses the elf default section flags for .plt. */
|
/* VxWorks uses the elf default section flags for .plt. */
|
static const struct bfd_elf_special_section *
|
static const struct bfd_elf_special_section *
|
ppc_elf_vxworks_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
|
ppc_elf_vxworks_get_sec_type_attr (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
|
{
|
{
|
if (sec->name == NULL)
|
if (sec->name == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (strcmp (sec->name, ".plt") == 0)
|
if (strcmp (sec->name, ".plt") == 0)
|
return _bfd_elf_get_sec_type_attr (abfd, sec);
|
return _bfd_elf_get_sec_type_attr (abfd, sec);
|
|
|
return ppc_elf_get_sec_type_attr (abfd, sec);
|
return ppc_elf_get_sec_type_attr (abfd, sec);
|
}
|
}
|
|
|
/* Like ppc_elf_link_hash_table_create, but overrides
|
/* Like ppc_elf_link_hash_table_create, but overrides
|
appropriately for VxWorks. */
|
appropriately for VxWorks. */
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
ppc_elf_vxworks_link_hash_table_create (bfd *abfd)
|
ppc_elf_vxworks_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct bfd_link_hash_table *ret;
|
struct bfd_link_hash_table *ret;
|
|
|
ret = ppc_elf_link_hash_table_create (abfd);
|
ret = ppc_elf_link_hash_table_create (abfd);
|
if (ret)
|
if (ret)
|
{
|
{
|
struct ppc_elf_link_hash_table *htab
|
struct ppc_elf_link_hash_table *htab
|
= (struct ppc_elf_link_hash_table *)ret;
|
= (struct ppc_elf_link_hash_table *)ret;
|
htab->is_vxworks = 1;
|
htab->is_vxworks = 1;
|
htab->plt_type = PLT_VXWORKS;
|
htab->plt_type = PLT_VXWORKS;
|
htab->plt_entry_size = VXWORKS_PLT_ENTRY_SIZE;
|
htab->plt_entry_size = VXWORKS_PLT_ENTRY_SIZE;
|
htab->plt_slot_size = VXWORKS_PLT_ENTRY_SIZE;
|
htab->plt_slot_size = VXWORKS_PLT_ENTRY_SIZE;
|
htab->plt_initial_entry_size = VXWORKS_PLT_INITIAL_ENTRY_SIZE;
|
htab->plt_initial_entry_size = VXWORKS_PLT_INITIAL_ENTRY_SIZE;
|
}
|
}
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* Tweak magic VxWorks symbols as they are loaded. */
|
/* Tweak magic VxWorks symbols as they are loaded. */
|
static bfd_boolean
|
static bfd_boolean
|
ppc_elf_vxworks_add_symbol_hook (bfd *abfd,
|
ppc_elf_vxworks_add_symbol_hook (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
Elf_Internal_Sym *sym,
|
Elf_Internal_Sym *sym,
|
const char **namep ATTRIBUTE_UNUSED,
|
const char **namep ATTRIBUTE_UNUSED,
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
flagword *flagsp ATTRIBUTE_UNUSED,
|
asection **secp,
|
asection **secp,
|
bfd_vma *valp)
|
bfd_vma *valp)
|
{
|
{
|
if (!elf_vxworks_add_symbol_hook(abfd, info, sym,namep, flagsp, secp,
|
if (!elf_vxworks_add_symbol_hook(abfd, info, sym,namep, flagsp, secp,
|
valp))
|
valp))
|
return FALSE;
|
return FALSE;
|
|
|
return ppc_elf_add_symbol_hook(abfd, info, sym,namep, flagsp, secp, valp);
|
return ppc_elf_add_symbol_hook(abfd, info, sym,namep, flagsp, secp, valp);
|
}
|
}
|
|
|
static void
|
static void
|
ppc_elf_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
|
ppc_elf_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
|
{
|
{
|
ppc_elf_final_write_processing(abfd, linker);
|
ppc_elf_final_write_processing(abfd, linker);
|
elf_vxworks_final_write_processing(abfd, linker);
|
elf_vxworks_final_write_processing(abfd, linker);
|
}
|
}
|
|
|
/* On VxWorks, we emit relocations against _PROCEDURE_LINKAGE_TABLE_, so
|
/* On VxWorks, we emit relocations against _PROCEDURE_LINKAGE_TABLE_, so
|
define it. */
|
define it. */
|
#undef elf_backend_want_plt_sym
|
#undef elf_backend_want_plt_sym
|
#define elf_backend_want_plt_sym 1
|
#define elf_backend_want_plt_sym 1
|
#undef elf_backend_want_got_plt
|
#undef elf_backend_want_got_plt
|
#define elf_backend_want_got_plt 1
|
#define elf_backend_want_got_plt 1
|
#undef elf_backend_got_symbol_offset
|
#undef elf_backend_got_symbol_offset
|
#define elf_backend_got_symbol_offset 0
|
#define elf_backend_got_symbol_offset 0
|
#undef elf_backend_plt_not_loaded
|
#undef elf_backend_plt_not_loaded
|
#define elf_backend_plt_not_loaded 0
|
#define elf_backend_plt_not_loaded 0
|
#undef elf_backend_plt_readonly
|
#undef elf_backend_plt_readonly
|
#define elf_backend_plt_readonly 1
|
#define elf_backend_plt_readonly 1
|
#undef elf_backend_got_header_size
|
#undef elf_backend_got_header_size
|
#define elf_backend_got_header_size 12
|
#define elf_backend_got_header_size 12
|
|
|
#undef bfd_elf32_get_synthetic_symtab
|
#undef bfd_elf32_get_synthetic_symtab
|
|
|
#undef bfd_elf32_bfd_link_hash_table_create
|
#undef bfd_elf32_bfd_link_hash_table_create
|
#define bfd_elf32_bfd_link_hash_table_create \
|
#define bfd_elf32_bfd_link_hash_table_create \
|
ppc_elf_vxworks_link_hash_table_create
|
ppc_elf_vxworks_link_hash_table_create
|
#undef elf_backend_add_symbol_hook
|
#undef elf_backend_add_symbol_hook
|
#define elf_backend_add_symbol_hook \
|
#define elf_backend_add_symbol_hook \
|
ppc_elf_vxworks_add_symbol_hook
|
ppc_elf_vxworks_add_symbol_hook
|
#undef elf_backend_link_output_symbol_hook
|
#undef elf_backend_link_output_symbol_hook
|
#define elf_backend_link_output_symbol_hook \
|
#define elf_backend_link_output_symbol_hook \
|
elf_vxworks_link_output_symbol_hook
|
elf_vxworks_link_output_symbol_hook
|
#undef elf_backend_final_write_processing
|
#undef elf_backend_final_write_processing
|
#define elf_backend_final_write_processing \
|
#define elf_backend_final_write_processing \
|
ppc_elf_vxworks_final_write_processing
|
ppc_elf_vxworks_final_write_processing
|
#undef elf_backend_get_sec_type_attr
|
#undef elf_backend_get_sec_type_attr
|
#define elf_backend_get_sec_type_attr \
|
#define elf_backend_get_sec_type_attr \
|
ppc_elf_vxworks_get_sec_type_attr
|
ppc_elf_vxworks_get_sec_type_attr
|
#undef elf_backend_emit_relocs
|
#undef elf_backend_emit_relocs
|
#define elf_backend_emit_relocs \
|
#define elf_backend_emit_relocs \
|
elf_vxworks_emit_relocs
|
elf_vxworks_emit_relocs
|
|
|
#undef elf32_bed
|
#undef elf32_bed
|
#define elf32_bed ppc_elf_vxworks_bed
|
#define elf32_bed ppc_elf_vxworks_bed
|
#undef elf_backend_post_process_headers
|
#undef elf_backend_post_process_headers
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
