/* Matsushita 10200 specific support for 32-bit ELF
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/* Matsushita 10200 specific support for 32-bit ELF
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Copyright 1996, 1997, 1998, 1999, 2000, 2001
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Copyright 1996, 1997, 1998, 1999, 2000, 2001
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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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 2 of the License, or
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the Free Software Foundation; either version 2 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 Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "bfd.h"
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#include "sysdep.h"
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#include "sysdep.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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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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static void mn10200_info_to_howto
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static void mn10200_info_to_howto
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
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static boolean mn10200_elf_relax_delete_bytes
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static boolean mn10200_elf_relax_delete_bytes
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PARAMS ((bfd *, asection *, bfd_vma, int));
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PARAMS ((bfd *, asection *, bfd_vma, int));
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static boolean mn10200_elf_symbol_address_p
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static boolean mn10200_elf_symbol_address_p
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PARAMS ((bfd *, asection *, Elf32_External_Sym *, bfd_vma));
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PARAMS ((bfd *, asection *, Elf32_External_Sym *, bfd_vma));
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/* We have to use RELA instructions since md_apply_fix3 in the assembler
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/* We have to use RELA instructions since md_apply_fix3 in the assembler
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does absolutely nothing. */
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does absolutely nothing. */
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#define USE_RELA
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#define USE_RELA
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enum reloc_type {
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enum reloc_type {
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R_MN10200_NONE = 0,
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R_MN10200_NONE = 0,
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R_MN10200_32,
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R_MN10200_32,
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R_MN10200_16,
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R_MN10200_16,
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R_MN10200_8,
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R_MN10200_8,
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R_MN10200_24,
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R_MN10200_24,
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R_MN10200_PCREL8,
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R_MN10200_PCREL8,
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R_MN10200_PCREL16,
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R_MN10200_PCREL16,
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R_MN10200_PCREL24,
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R_MN10200_PCREL24,
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R_MN10200_MAX
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R_MN10200_MAX
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};
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};
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static reloc_howto_type elf_mn10200_howto_table[] = {
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static reloc_howto_type elf_mn10200_howto_table[] = {
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/* Dummy relocation. Does nothing. */
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/* Dummy relocation. Does nothing. */
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HOWTO (R_MN10200_NONE,
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HOWTO (R_MN10200_NONE,
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0,
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0,
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2,
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2,
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16,
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16,
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false,
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false,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_NONE",
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"R_MN10200_NONE",
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false,
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false,
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0,
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0,
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0,
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0,
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false),
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false),
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/* Standard 32 bit reloc. */
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/* Standard 32 bit reloc. */
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HOWTO (R_MN10200_32,
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HOWTO (R_MN10200_32,
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0,
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0,
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2,
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2,
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32,
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32,
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false,
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false,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_32",
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"R_MN10200_32",
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false,
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false,
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0xffffffff,
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0xffffffff,
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0xffffffff,
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0xffffffff,
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false),
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false),
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/* Standard 16 bit reloc. */
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/* Standard 16 bit reloc. */
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HOWTO (R_MN10200_16,
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HOWTO (R_MN10200_16,
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0,
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0,
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1,
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1,
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16,
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16,
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false,
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false,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_16",
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"R_MN10200_16",
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false,
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false,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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false),
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false),
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/* Standard 8 bit reloc. */
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/* Standard 8 bit reloc. */
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HOWTO (R_MN10200_8,
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HOWTO (R_MN10200_8,
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0,
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0,
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0,
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0,
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8,
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8,
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false,
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false,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_8",
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"R_MN10200_8",
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false,
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false,
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0xff,
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0xff,
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0xff,
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0xff,
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false),
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false),
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/* Standard 24 bit reloc. */
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/* Standard 24 bit reloc. */
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HOWTO (R_MN10200_24,
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HOWTO (R_MN10200_24,
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0,
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0,
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2,
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2,
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24,
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24,
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false,
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false,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_24",
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"R_MN10200_24",
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false,
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false,
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0xffffff,
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0xffffff,
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0xffffff,
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0xffffff,
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false),
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false),
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/* Simple 8 pc-relative reloc. */
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/* Simple 8 pc-relative reloc. */
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HOWTO (R_MN10200_PCREL8,
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HOWTO (R_MN10200_PCREL8,
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0,
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0,
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0,
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0,
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8,
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8,
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true,
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true,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_PCREL8",
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"R_MN10200_PCREL8",
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false,
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false,
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0xff,
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0xff,
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0xff,
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0xff,
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true),
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true),
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/* Simple 16 pc-relative reloc. */
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/* Simple 16 pc-relative reloc. */
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HOWTO (R_MN10200_PCREL16,
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HOWTO (R_MN10200_PCREL16,
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0,
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0,
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1,
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1,
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16,
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16,
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true,
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true,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_PCREL16",
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"R_MN10200_PCREL16",
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false,
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false,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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true),
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true),
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/* Simple 32bit pc-relative reloc with a 1 byte adjustment
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/* Simple 32bit pc-relative reloc with a 1 byte adjustment
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to get the pc-relative offset correct. */
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to get the pc-relative offset correct. */
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HOWTO (R_MN10200_PCREL24,
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HOWTO (R_MN10200_PCREL24,
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0,
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0,
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2,
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2,
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24,
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24,
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true,
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true,
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0,
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0,
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complain_overflow_bitfield,
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complain_overflow_bitfield,
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bfd_elf_generic_reloc,
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bfd_elf_generic_reloc,
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"R_MN10200_PCREL24",
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"R_MN10200_PCREL24",
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false,
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false,
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0xffffff,
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0xffffff,
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0xffffff,
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0xffffff,
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true),
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true),
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};
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};
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struct mn10200_reloc_map {
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struct mn10200_reloc_map {
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bfd_reloc_code_real_type bfd_reloc_val;
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bfd_reloc_code_real_type bfd_reloc_val;
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unsigned char elf_reloc_val;
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unsigned char elf_reloc_val;
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};
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};
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static const struct mn10200_reloc_map mn10200_reloc_map[] = {
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static const struct mn10200_reloc_map mn10200_reloc_map[] = {
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{ BFD_RELOC_NONE , R_MN10200_NONE , },
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{ BFD_RELOC_NONE , R_MN10200_NONE , },
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{ BFD_RELOC_32 , R_MN10200_32 , },
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{ BFD_RELOC_32 , R_MN10200_32 , },
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{ BFD_RELOC_16 , R_MN10200_16 , },
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{ BFD_RELOC_16 , R_MN10200_16 , },
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{ BFD_RELOC_8 , R_MN10200_8 , },
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{ BFD_RELOC_8 , R_MN10200_8 , },
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{ BFD_RELOC_24 , R_MN10200_24 , },
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{ BFD_RELOC_24 , R_MN10200_24 , },
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{ BFD_RELOC_8_PCREL , R_MN10200_PCREL8 , },
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{ BFD_RELOC_8_PCREL , R_MN10200_PCREL8 , },
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{ BFD_RELOC_16_PCREL, R_MN10200_PCREL16, },
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{ BFD_RELOC_16_PCREL, R_MN10200_PCREL16, },
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{ BFD_RELOC_24_PCREL, R_MN10200_PCREL24, },
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{ BFD_RELOC_24_PCREL, R_MN10200_PCREL24, },
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};
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};
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static reloc_howto_type *
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static reloc_howto_type *
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bfd_elf32_bfd_reloc_type_lookup (abfd, code)
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bfd_elf32_bfd_reloc_type_lookup (abfd, code)
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bfd *abfd ATTRIBUTE_UNUSED;
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bfd *abfd ATTRIBUTE_UNUSED;
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bfd_reloc_code_real_type code;
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bfd_reloc_code_real_type code;
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{
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{
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unsigned int i;
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unsigned int i;
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for (i = 0;
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for (i = 0;
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i < sizeof (mn10200_reloc_map) / sizeof (struct mn10200_reloc_map);
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i < sizeof (mn10200_reloc_map) / sizeof (struct mn10200_reloc_map);
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i++)
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i++)
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{
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{
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if (mn10200_reloc_map[i].bfd_reloc_val == code)
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if (mn10200_reloc_map[i].bfd_reloc_val == code)
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return &elf_mn10200_howto_table[mn10200_reloc_map[i].elf_reloc_val];
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return &elf_mn10200_howto_table[mn10200_reloc_map[i].elf_reloc_val];
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}
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}
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return NULL;
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return NULL;
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}
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}
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/* Set the howto pointer for an MN10200 ELF reloc. */
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/* Set the howto pointer for an MN10200 ELF reloc. */
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static void
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static void
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mn10200_info_to_howto (abfd, cache_ptr, dst)
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mn10200_info_to_howto (abfd, cache_ptr, dst)
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bfd *abfd ATTRIBUTE_UNUSED;
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bfd *abfd ATTRIBUTE_UNUSED;
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arelent *cache_ptr;
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arelent *cache_ptr;
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Elf32_Internal_Rela *dst;
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Elf32_Internal_Rela *dst;
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{
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{
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unsigned int r_type;
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unsigned int r_type;
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r_type = ELF32_R_TYPE (dst->r_info);
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r_type = ELF32_R_TYPE (dst->r_info);
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BFD_ASSERT (r_type < (unsigned int) R_MN10200_MAX);
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BFD_ASSERT (r_type < (unsigned int) R_MN10200_MAX);
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cache_ptr->howto = &elf_mn10200_howto_table[r_type];
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cache_ptr->howto = &elf_mn10200_howto_table[r_type];
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}
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}
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/* Perform a relocation as part of a final link. */
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/* Perform a relocation as part of a final link. */
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
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mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
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input_section, contents, offset, value,
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input_section, contents, offset, value,
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addend, info, sym_sec, is_local)
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addend, info, sym_sec, is_local)
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reloc_howto_type *howto;
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reloc_howto_type *howto;
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bfd *input_bfd;
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bfd *input_bfd;
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bfd *output_bfd ATTRIBUTE_UNUSED;
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bfd *output_bfd ATTRIBUTE_UNUSED;
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asection *input_section;
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asection *input_section;
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bfd_byte *contents;
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bfd_byte *contents;
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bfd_vma offset;
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bfd_vma offset;
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bfd_vma value;
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bfd_vma value;
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bfd_vma addend;
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bfd_vma addend;
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struct bfd_link_info *info ATTRIBUTE_UNUSED;
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struct bfd_link_info *info ATTRIBUTE_UNUSED;
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asection *sym_sec ATTRIBUTE_UNUSED;
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asection *sym_sec ATTRIBUTE_UNUSED;
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int is_local ATTRIBUTE_UNUSED;
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int is_local ATTRIBUTE_UNUSED;
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{
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{
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unsigned long r_type = howto->type;
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unsigned long r_type = howto->type;
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bfd_byte *hit_data = contents + offset;
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bfd_byte *hit_data = contents + offset;
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switch (r_type)
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switch (r_type)
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{
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{
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case R_MN10200_NONE:
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case R_MN10200_NONE:
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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case R_MN10200_32:
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case R_MN10200_32:
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value += addend;
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value += addend;
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bfd_put_32 (input_bfd, value, hit_data);
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bfd_put_32 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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case R_MN10200_16:
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case R_MN10200_16:
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value += addend;
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value += addend;
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if ((long) value > 0x7fff || (long) value < -0x8000)
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if ((long) value > 0x7fff || (long) value < -0x8000)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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bfd_put_16 (input_bfd, value, hit_data);
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bfd_put_16 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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case R_MN10200_8:
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case R_MN10200_8:
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value += addend;
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value += addend;
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if ((long) value > 0x7f || (long) value < -0x80)
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if ((long) value > 0x7f || (long) value < -0x80)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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bfd_put_8 (input_bfd, value, hit_data);
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bfd_put_8 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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case R_MN10200_24:
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case R_MN10200_24:
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value += addend;
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value += addend;
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if ((long) value > 0x7fffff || (long) value < -0x800000)
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if ((long) value > 0x7fffff || (long) value < -0x800000)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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|
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value &= 0xffffff;
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value &= 0xffffff;
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value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
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value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
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bfd_put_32 (input_bfd, value, hit_data);
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bfd_put_32 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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|
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case R_MN10200_PCREL8:
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case R_MN10200_PCREL8:
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value -= (input_section->output_section->vma
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value -= (input_section->output_section->vma
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+ input_section->output_offset);
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+ input_section->output_offset);
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value -= (offset + 1);
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value -= (offset + 1);
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value += addend;
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value += addend;
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if ((long) value > 0xff || (long) value < -0x100)
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if ((long) value > 0xff || (long) value < -0x100)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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|
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bfd_put_8 (input_bfd, value, hit_data);
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bfd_put_8 (input_bfd, value, hit_data);
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return bfd_reloc_ok;
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return bfd_reloc_ok;
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|
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case R_MN10200_PCREL16:
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case R_MN10200_PCREL16:
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value -= (input_section->output_section->vma
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value -= (input_section->output_section->vma
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+ input_section->output_offset);
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+ input_section->output_offset);
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value -= (offset + 2);
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value -= (offset + 2);
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value += addend;
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value += addend;
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|
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if ((long) value > 0xffff || (long) value < -0x10000)
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if ((long) value > 0xffff || (long) value < -0x10000)
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return bfd_reloc_overflow;
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return bfd_reloc_overflow;
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|
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bfd_put_16 (input_bfd, value, hit_data);
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bfd_put_16 (input_bfd, value, hit_data);
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
|
|
case R_MN10200_PCREL24:
|
case R_MN10200_PCREL24:
|
value -= (input_section->output_section->vma
|
value -= (input_section->output_section->vma
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+ input_section->output_offset);
|
+ input_section->output_offset);
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value -= (offset + 3);
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value -= (offset + 3);
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value += addend;
|
value += addend;
|
|
|
if ((long) value > 0xffffff || (long) value < -0x1000000)
|
if ((long) value > 0xffffff || (long) value < -0x1000000)
|
return bfd_reloc_overflow;
|
return bfd_reloc_overflow;
|
|
|
value &= 0xffffff;
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value &= 0xffffff;
|
value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
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value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000);
|
bfd_put_32 (input_bfd, value, hit_data);
|
bfd_put_32 (input_bfd, value, hit_data);
|
return bfd_reloc_ok;
|
return bfd_reloc_ok;
|
|
|
default:
|
default:
|
return bfd_reloc_notsupported;
|
return bfd_reloc_notsupported;
|
}
|
}
|
}
|
}
|
|
|
/* Relocate an MN10200 ELF section. */
|
/* Relocate an MN10200 ELF section. */
|
static boolean
|
static boolean
|
mn10200_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
mn10200_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
contents, relocs, local_syms, local_sections)
|
contents, relocs, local_syms, local_sections)
|
bfd *output_bfd;
|
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;
|
Elf_Internal_Rela *rel, *relend;
|
Elf_Internal_Rela *rel, *relend;
|
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
int r_type;
|
int r_type;
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
Elf_Internal_Sym *sym;
|
Elf_Internal_Sym *sym;
|
asection *sec;
|
asection *sec;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
howto = elf_mn10200_howto_table + r_type;
|
howto = elf_mn10200_howto_table + r_type;
|
|
|
if (info->relocateable)
|
if (info->relocateable)
|
{
|
{
|
/* This is a relocateable link. We don't have to change
|
/* This is a relocateable link. We don't have to change
|
anything, unless the reloc is against a section symbol,
|
anything, unless the reloc is against a section symbol,
|
in which case we have to adjust according to where the
|
in which case we have to adjust according to where the
|
section symbol winds up in the output section. */
|
section symbol winds up in the output section. */
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
{
|
{
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
rel->r_addend += sec->output_offset + sym->st_value;
|
rel->r_addend += sec->output_offset + sym->st_value;
|
}
|
}
|
}
|
}
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
/* This is a final link. */
|
/* This is a final link. */
|
h = NULL;
|
h = NULL;
|
sym = NULL;
|
sym = NULL;
|
sec = NULL;
|
sec = NULL;
|
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];
|
relocation = (sec->output_section->vma
|
relocation = (sec->output_section->vma
|
+ sec->output_offset
|
+ sec->output_offset
|
+ sym->st_value);
|
+ sym->st_value);
|
}
|
}
|
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 (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)
|
{
|
{
|
sec = h->root.u.def.section;
|
sec = h->root.u.def.section;
|
relocation = (h->root.u.def.value
|
relocation = (h->root.u.def.value
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset);
|
+ sec->output_offset);
|
}
|
}
|
else if (h->root.type == bfd_link_hash_undefweak)
|
else if (h->root.type == bfd_link_hash_undefweak)
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
{
|
{
|
if (! ((*info->callbacks->undefined_symbol)
|
if (! ((*info->callbacks->undefined_symbol)
|
(info, h->root.root.string, input_bfd,
|
(info, h->root.root.string, input_bfd,
|
input_section, rel->r_offset, true)))
|
input_section, rel->r_offset, true)))
|
return false;
|
return false;
|
relocation = 0;
|
relocation = 0;
|
}
|
}
|
}
|
}
|
|
|
r = mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
|
r = mn10200_elf_final_link_relocate (howto, input_bfd, output_bfd,
|
input_section,
|
input_section,
|
contents, rel->r_offset,
|
contents, rel->r_offset,
|
relocation, rel->r_addend,
|
relocation, rel->r_addend,
|
info, sec, h == NULL);
|
info, sec, h == NULL);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
const char *name;
|
const char *name;
|
const char *msg = (const char *) 0;
|
const char *msg = (const char *) 0;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
name = h->root.root.string;
|
name = h->root.root.string;
|
else
|
else
|
{
|
{
|
name = (bfd_elf_string_from_elf_section
|
name = (bfd_elf_string_from_elf_section
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
(input_bfd, symtab_hdr->sh_link, sym->st_name));
|
if (name == NULL || *name == '\0')
|
if (name == NULL || *name == '\0')
|
name = bfd_section_name (input_bfd, sec);
|
name = bfd_section_name (input_bfd, sec);
|
}
|
}
|
|
|
switch (r)
|
switch (r)
|
{
|
{
|
case bfd_reloc_overflow:
|
case bfd_reloc_overflow:
|
if (! ((*info->callbacks->reloc_overflow)
|
if (! ((*info->callbacks->reloc_overflow)
|
(info, name, howto->name, (bfd_vma) 0,
|
(info, name, howto->name, (bfd_vma) 0,
|
input_bfd, input_section, rel->r_offset)))
|
input_bfd, input_section, rel->r_offset)))
|
return false;
|
return false;
|
break;
|
break;
|
|
|
case bfd_reloc_undefined:
|
case bfd_reloc_undefined:
|
if (! ((*info->callbacks->undefined_symbol)
|
if (! ((*info->callbacks->undefined_symbol)
|
(info, name, input_bfd, input_section,
|
(info, name, input_bfd, input_section,
|
rel->r_offset, true)))
|
rel->r_offset, true)))
|
return false;
|
return false;
|
break;
|
break;
|
|
|
case bfd_reloc_outofrange:
|
case bfd_reloc_outofrange:
|
msg = _("internal error: out of range error");
|
msg = _("internal error: out of range error");
|
goto common_error;
|
goto common_error;
|
|
|
case bfd_reloc_notsupported:
|
case bfd_reloc_notsupported:
|
msg = _("internal error: unsupported relocation error");
|
msg = _("internal error: unsupported relocation error");
|
goto common_error;
|
goto common_error;
|
|
|
case bfd_reloc_dangerous:
|
case bfd_reloc_dangerous:
|
msg = _("internal error: dangerous error");
|
msg = _("internal error: dangerous error");
|
goto common_error;
|
goto common_error;
|
|
|
default:
|
default:
|
msg = _("internal error: unknown error");
|
msg = _("internal error: unknown error");
|
/* fall through */
|
/* fall through */
|
|
|
common_error:
|
common_error:
|
if (!((*info->callbacks->warning)
|
if (!((*info->callbacks->warning)
|
(info, msg, name, input_bfd, input_section,
|
(info, msg, name, input_bfd, input_section,
|
rel->r_offset)))
|
rel->r_offset)))
|
return false;
|
return false;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/* This function handles relaxing for the mn10200.
|
/* This function handles relaxing for the mn10200.
|
|
|
There's quite a few relaxing opportunites available on the mn10200:
|
There's quite a few relaxing opportunites available on the mn10200:
|
|
|
* jsr:24 -> jsr:16 2 bytes
|
* jsr:24 -> jsr:16 2 bytes
|
|
|
* jmp:24 -> jmp:16 2 bytes
|
* jmp:24 -> jmp:16 2 bytes
|
* jmp:16 -> bra:8 1 byte
|
* jmp:16 -> bra:8 1 byte
|
|
|
* If the previous instruction is a conditional branch
|
* If the previous instruction is a conditional branch
|
around the jump/bra, we may be able to reverse its condition
|
around the jump/bra, we may be able to reverse its condition
|
and change its target to the jump's target. The jump/bra
|
and change its target to the jump's target. The jump/bra
|
can then be deleted. 2 bytes
|
can then be deleted. 2 bytes
|
|
|
* mov abs24 -> mov abs16 2 byte savings
|
* mov abs24 -> mov abs16 2 byte savings
|
|
|
* Most instructions which accept imm24 can relax to imm16 2 bytes
|
* Most instructions which accept imm24 can relax to imm16 2 bytes
|
- Most instructions which accept imm16 can relax to imm8 1 byte
|
- Most instructions which accept imm16 can relax to imm8 1 byte
|
|
|
* Most instructions which accept d24 can relax to d16 2 bytes
|
* Most instructions which accept d24 can relax to d16 2 bytes
|
- Most instructions which accept d16 can relax to d8 1 byte
|
- Most instructions which accept d16 can relax to d8 1 byte
|
|
|
abs24, imm24, d24 all look the same at the reloc level. It
|
abs24, imm24, d24 all look the same at the reloc level. It
|
might make the code simpler if we had different relocs for
|
might make the code simpler if we had different relocs for
|
the various relaxable operand types.
|
the various relaxable operand types.
|
|
|
We don't handle imm16->imm8 or d16->d8 as they're very rare
|
We don't handle imm16->imm8 or d16->d8 as they're very rare
|
and somewhat more difficult to support. */
|
and somewhat more difficult to support. */
|
|
|
static boolean
|
static boolean
|
mn10200_elf_relax_section (abfd, sec, link_info, again)
|
mn10200_elf_relax_section (abfd, sec, link_info, again)
|
bfd *abfd;
|
bfd *abfd;
|
asection *sec;
|
asection *sec;
|
struct bfd_link_info *link_info;
|
struct bfd_link_info *link_info;
|
boolean *again;
|
boolean *again;
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *internal_relocs;
|
Elf_Internal_Rela *free_relocs = NULL;
|
Elf_Internal_Rela *free_relocs = NULL;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
bfd_byte *contents = NULL;
|
bfd_byte *contents = NULL;
|
bfd_byte *free_contents = NULL;
|
bfd_byte *free_contents = NULL;
|
Elf32_External_Sym *extsyms = NULL;
|
Elf32_External_Sym *extsyms = NULL;
|
Elf32_External_Sym *free_extsyms = NULL;
|
Elf32_External_Sym *free_extsyms = NULL;
|
|
|
/* Assume nothing changes. */
|
/* Assume nothing changes. */
|
*again = false;
|
*again = false;
|
|
|
/* We don't have to do anything for a relocateable link, if
|
/* We don't have to do anything for a relocateable link, if
|
this section does not have relocs, or if this is not a
|
this section does not have relocs, or if this is not a
|
code section. */
|
code section. */
|
if (link_info->relocateable
|
if (link_info->relocateable
|
|| (sec->flags & SEC_RELOC) == 0
|
|| (sec->flags & SEC_RELOC) == 0
|
|| sec->reloc_count == 0
|
|| sec->reloc_count == 0
|
|| (sec->flags & SEC_CODE) == 0)
|
|| (sec->flags & SEC_CODE) == 0)
|
return true;
|
return true;
|
|
|
/* If this is the first time we have been called for this section,
|
/* If this is the first time we have been called for this section,
|
initialize the cooked size. */
|
initialize the cooked size. */
|
if (sec->_cooked_size == 0)
|
if (sec->_cooked_size == 0)
|
sec->_cooked_size = sec->_raw_size;
|
sec->_cooked_size = sec->_raw_size;
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
|
|
/* Get a copy of the native relocations. */
|
/* Get a copy of the native relocations. */
|
internal_relocs = (_bfd_elf32_link_read_relocs
|
internal_relocs = (_bfd_elf32_link_read_relocs
|
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
|
(abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL,
|
link_info->keep_memory));
|
link_info->keep_memory));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free_relocs = internal_relocs;
|
free_relocs = internal_relocs;
|
|
|
/* Walk through them looking for relaxing opportunities. */
|
/* Walk through them looking for relaxing opportunities. */
|
irelend = internal_relocs + sec->reloc_count;
|
irelend = internal_relocs + sec->reloc_count;
|
for (irel = internal_relocs; irel < irelend; irel++)
|
for (irel = internal_relocs; irel < irelend; irel++)
|
{
|
{
|
bfd_vma symval;
|
bfd_vma symval;
|
|
|
/* If this isn't something that can be relaxed, then ignore
|
/* If this isn't something that can be relaxed, then ignore
|
this reloc. */
|
this reloc. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_NONE
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_NONE
|
|| ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_8
|
|| ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_8
|
|| ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_MAX)
|
|| ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_MAX)
|
continue;
|
continue;
|
|
|
/* Get the section contents if we haven't done so already. */
|
/* Get the section contents if we haven't done so already. */
|
if (contents == NULL)
|
if (contents == NULL)
|
{
|
{
|
/* Get cached copy if it exists. */
|
/* Get cached copy if it exists. */
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
if (elf_section_data (sec)->this_hdr.contents != NULL)
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
else
|
else
|
{
|
{
|
/* Go get them off disk. */
|
/* Go get them off disk. */
|
contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
|
contents = (bfd_byte *) bfd_malloc (sec->_raw_size);
|
if (contents == NULL)
|
if (contents == NULL)
|
goto error_return;
|
goto error_return;
|
free_contents = contents;
|
free_contents = contents;
|
|
|
if (! bfd_get_section_contents (abfd, sec, contents,
|
if (! bfd_get_section_contents (abfd, sec, contents,
|
(file_ptr) 0, sec->_raw_size))
|
(file_ptr) 0, sec->_raw_size))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
|
|
/* Read this BFD's symbols if we haven't done so already. */
|
/* Read this BFD's symbols if we haven't done so already. */
|
if (extsyms == NULL)
|
if (extsyms == NULL)
|
{
|
{
|
/* Get cached copy if it exists. */
|
/* Get cached copy if it exists. */
|
if (symtab_hdr->contents != NULL)
|
if (symtab_hdr->contents != NULL)
|
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
|
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
|
else
|
else
|
{
|
{
|
/* Go get them off disk. */
|
/* Go get them off disk. */
|
extsyms = ((Elf32_External_Sym *)
|
extsyms = ((Elf32_External_Sym *)
|
bfd_malloc (symtab_hdr->sh_size));
|
bfd_malloc (symtab_hdr->sh_size));
|
if (extsyms == NULL)
|
if (extsyms == NULL)
|
goto error_return;
|
goto error_return;
|
free_extsyms = extsyms;
|
free_extsyms = extsyms;
|
if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|
if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|
|| (bfd_read (extsyms, 1, symtab_hdr->sh_size, abfd)
|
|| (bfd_read (extsyms, 1, symtab_hdr->sh_size, abfd)
|
!= symtab_hdr->sh_size))
|
!= symtab_hdr->sh_size))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
|
|
/* Get the value of the symbol referred to by the reloc. */
|
/* Get the value of the symbol referred to by the reloc. */
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
|
{
|
{
|
Elf_Internal_Sym isym;
|
Elf_Internal_Sym isym;
|
asection *sym_sec;
|
asection *sym_sec;
|
|
|
/* A local symbol. */
|
/* A local symbol. */
|
bfd_elf32_swap_symbol_in (abfd,
|
bfd_elf32_swap_symbol_in (abfd,
|
extsyms + ELF32_R_SYM (irel->r_info),
|
extsyms + ELF32_R_SYM (irel->r_info),
|
&isym);
|
&isym);
|
|
|
sym_sec = bfd_section_from_elf_index (abfd, isym.st_shndx);
|
sym_sec = bfd_section_from_elf_index (abfd, isym.st_shndx);
|
symval = (isym.st_value
|
symval = (isym.st_value
|
+ sym_sec->output_section->vma
|
+ sym_sec->output_section->vma
|
+ sym_sec->output_offset);
|
+ sym_sec->output_offset);
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned long indx;
|
unsigned long indx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
/* An external symbol. */
|
/* An external symbol. */
|
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];
|
BFD_ASSERT (h != NULL);
|
BFD_ASSERT (h != NULL);
|
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)
|
{
|
{
|
/* This appears to be a reference to an undefined
|
/* This appears to be a reference to an undefined
|
symbol. Just ignore it--it will be caught by the
|
symbol. Just ignore it--it will be caught by the
|
regular reloc processing. */
|
regular reloc processing. */
|
continue;
|
continue;
|
}
|
}
|
|
|
symval = (h->root.u.def.value
|
symval = (h->root.u.def.value
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_section->vma
|
+ h->root.u.def.section->output_offset);
|
+ h->root.u.def.section->output_offset);
|
}
|
}
|
|
|
/* For simplicity of coding, we are going to modify the section
|
/* For simplicity of coding, we are going to modify the section
|
contents, the section relocs, and the BFD symbol table. We
|
contents, the section relocs, and the BFD symbol table. We
|
must tell the rest of the code not to free up this
|
must tell the rest of the code not to free up this
|
information. It would be possible to instead create a table
|
information. It would be possible to instead create a table
|
of changes which have to be made, as is done in coff-mips.c;
|
of changes which have to be made, as is done in coff-mips.c;
|
that would be more work, but would require less memory when
|
that would be more work, but would require less memory when
|
the linker is run. */
|
the linker is run. */
|
|
|
/* Try to turn a 24bit pc-relative branch/call into a 16bit pc-relative
|
/* Try to turn a 24bit pc-relative branch/call into a 16bit pc-relative
|
branch/call. */
|
branch/call. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL24)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL24)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (irel->r_offset + 3);
|
value -= (irel->r_offset + 3);
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* See if the value will fit in 16 bits, note the high value is
|
/* See if the value will fit in 16 bits, note the high value is
|
0x7fff + 2 as the target will be two bytes closer if we are
|
0x7fff + 2 as the target will be two bytes closer if we are
|
able to relax. */
|
able to relax. */
|
if ((long) value < 0x8001 && (long) value > -0x8000)
|
if ((long) value < 0x8001 && (long) value > -0x8000)
|
{
|
{
|
unsigned char code;
|
unsigned char code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
|
|
if (code != 0xe0 && code != 0xe1)
|
if (code != 0xe0 && code != 0xe1)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
if (code == 0xe0)
|
if (code == 0xe0)
|
bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 2);
|
bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 2);
|
else if (code == 0xe1)
|
else if (code == 0xe1)
|
bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 2);
|
bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 2);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_PCREL16);
|
R_MN10200_PCREL16);
|
|
|
/* The opcode got shorter too, so we have to fix the offset. */
|
/* The opcode got shorter too, so we have to fix the offset. */
|
irel->r_offset -= 1;
|
irel->r_offset -= 1;
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 1, 2))
|
irel->r_offset + 1, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
}
|
}
|
}
|
}
|
|
|
/* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
|
/* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
|
branch. */
|
branch. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL16)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL16)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (irel->r_offset + 2);
|
value -= (irel->r_offset + 2);
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* See if the value will fit in 8 bits, note the high value is
|
/* See if the value will fit in 8 bits, note the high value is
|
0x7f + 1 as the target will be one bytes closer if we are
|
0x7f + 1 as the target will be one bytes closer if we are
|
able to relax. */
|
able to relax. */
|
if ((long) value < 0x80 && (long) value > -0x80)
|
if ((long) value < 0x80 && (long) value > -0x80)
|
{
|
{
|
unsigned char code;
|
unsigned char code;
|
|
|
/* Get the opcode. */
|
/* Get the opcode. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
|
|
if (code != 0xfc)
|
if (code != 0xfc)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, 0xea, contents + irel->r_offset - 1);
|
bfd_put_8 (abfd, 0xea, contents + irel->r_offset - 1);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_PCREL8);
|
R_MN10200_PCREL8);
|
|
|
/* Delete one byte of data. */
|
/* Delete one byte of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 1, 1))
|
irel->r_offset + 1, 1))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
}
|
}
|
}
|
}
|
|
|
/* Try to eliminate an unconditional 8 bit pc-relative branch
|
/* Try to eliminate an unconditional 8 bit pc-relative branch
|
which immediately follows a conditional 8 bit pc-relative
|
which immediately follows a conditional 8 bit pc-relative
|
branch around the unconditional branch.
|
branch around the unconditional branch.
|
|
|
original: new:
|
original: new:
|
bCC lab1 bCC' lab2
|
bCC lab1 bCC' lab2
|
bra lab2
|
bra lab2
|
lab1: lab1:
|
lab1: lab1:
|
|
|
This happens when the bCC can't reach lab2 at assembly time,
|
This happens when the bCC can't reach lab2 at assembly time,
|
but due to other relaxations it can reach at link time. */
|
but due to other relaxations it can reach at link time. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL8)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_PCREL8)
|
{
|
{
|
Elf_Internal_Rela *nrel;
|
Elf_Internal_Rela *nrel;
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
unsigned char code;
|
unsigned char code;
|
|
|
/* Deal with pc-relative gunk. */
|
/* Deal with pc-relative gunk. */
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (sec->output_section->vma + sec->output_offset);
|
value -= (irel->r_offset + 1);
|
value -= (irel->r_offset + 1);
|
value += irel->r_addend;
|
value += irel->r_addend;
|
|
|
/* Do nothing if this reloc is the last byte in the section. */
|
/* Do nothing if this reloc is the last byte in the section. */
|
if (irel->r_offset == sec->_cooked_size)
|
if (irel->r_offset == sec->_cooked_size)
|
continue;
|
continue;
|
|
|
/* See if the next instruction is an unconditional pc-relative
|
/* See if the next instruction is an unconditional pc-relative
|
branch, more often than not this test will fail, so we
|
branch, more often than not this test will fail, so we
|
test it first to speed things up. */
|
test it first to speed things up. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
|
code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
|
if (code != 0xea)
|
if (code != 0xea)
|
continue;
|
continue;
|
|
|
/* Also make sure the next relocation applies to the next
|
/* Also make sure the next relocation applies to the next
|
instruction and that it's a pc-relative 8 bit branch. */
|
instruction and that it's a pc-relative 8 bit branch. */
|
nrel = irel + 1;
|
nrel = irel + 1;
|
if (nrel == irelend
|
if (nrel == irelend
|
|| irel->r_offset + 2 != nrel->r_offset
|
|| irel->r_offset + 2 != nrel->r_offset
|
|| ELF32_R_TYPE (nrel->r_info) != (int) R_MN10200_PCREL8)
|
|| ELF32_R_TYPE (nrel->r_info) != (int) R_MN10200_PCREL8)
|
continue;
|
continue;
|
|
|
/* Make sure our destination immediately follows the
|
/* Make sure our destination immediately follows the
|
unconditional branch. */
|
unconditional branch. */
|
if (symval != (sec->output_section->vma + sec->output_offset
|
if (symval != (sec->output_section->vma + sec->output_offset
|
+ irel->r_offset + 3))
|
+ irel->r_offset + 3))
|
continue;
|
continue;
|
|
|
/* Now make sure we are a conditional branch. This may not
|
/* Now make sure we are a conditional branch. This may not
|
be necessary, but why take the chance.
|
be necessary, but why take the chance.
|
|
|
Note these checks assume that R_MN10200_PCREL8 relocs
|
Note these checks assume that R_MN10200_PCREL8 relocs
|
only occur on bCC and bCCx insns. If they occured
|
only occur on bCC and bCCx insns. If they occured
|
elsewhere, we'd need to know the start of this insn
|
elsewhere, we'd need to know the start of this insn
|
for this check to be accurate. */
|
for this check to be accurate. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
if (code != 0xe0 && code != 0xe1 && code != 0xe2
|
if (code != 0xe0 && code != 0xe1 && code != 0xe2
|
&& code != 0xe3 && code != 0xe4 && code != 0xe5
|
&& code != 0xe3 && code != 0xe4 && code != 0xe5
|
&& code != 0xe6 && code != 0xe7 && code != 0xe8
|
&& code != 0xe6 && code != 0xe7 && code != 0xe8
|
&& code != 0xe9 && code != 0xec && code != 0xed
|
&& code != 0xe9 && code != 0xec && code != 0xed
|
&& code != 0xee && code != 0xef && code != 0xfc
|
&& code != 0xee && code != 0xef && code != 0xfc
|
&& code != 0xfd && code != 0xfe && code != 0xff)
|
&& code != 0xfd && code != 0xfe && code != 0xff)
|
continue;
|
continue;
|
|
|
/* We also have to be sure there is no symbol/label
|
/* We also have to be sure there is no symbol/label
|
at the unconditional branch. */
|
at the unconditional branch. */
|
if (mn10200_elf_symbol_address_p (abfd, sec, extsyms,
|
if (mn10200_elf_symbol_address_p (abfd, sec, extsyms,
|
irel->r_offset + 1))
|
irel->r_offset + 1))
|
continue;
|
continue;
|
|
|
/* Note that we've changed the relocs, section contents, etc. */
|
/* Note that we've changed the relocs, section contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
/* Reverse the condition of the first branch. */
|
/* Reverse the condition of the first branch. */
|
switch (code)
|
switch (code)
|
{
|
{
|
case 0xfc:
|
case 0xfc:
|
code = 0xfd;
|
code = 0xfd;
|
break;
|
break;
|
case 0xfd:
|
case 0xfd:
|
code = 0xfc;
|
code = 0xfc;
|
break;
|
break;
|
case 0xfe:
|
case 0xfe:
|
code = 0xff;
|
code = 0xff;
|
break;
|
break;
|
case 0xff:
|
case 0xff:
|
code = 0xfe;
|
code = 0xfe;
|
break;
|
break;
|
case 0xe8:
|
case 0xe8:
|
code = 0xe9;
|
code = 0xe9;
|
break;
|
break;
|
case 0xe9:
|
case 0xe9:
|
code = 0xe8;
|
code = 0xe8;
|
break;
|
break;
|
case 0xe0:
|
case 0xe0:
|
code = 0xe2;
|
code = 0xe2;
|
break;
|
break;
|
case 0xe2:
|
case 0xe2:
|
code = 0xe0;
|
code = 0xe0;
|
break;
|
break;
|
case 0xe3:
|
case 0xe3:
|
code = 0xe1;
|
code = 0xe1;
|
break;
|
break;
|
case 0xe1:
|
case 0xe1:
|
code = 0xe3;
|
code = 0xe3;
|
break;
|
break;
|
case 0xe4:
|
case 0xe4:
|
code = 0xe6;
|
code = 0xe6;
|
break;
|
break;
|
case 0xe6:
|
case 0xe6:
|
code = 0xe4;
|
code = 0xe4;
|
break;
|
break;
|
case 0xe7:
|
case 0xe7:
|
code = 0xe5;
|
code = 0xe5;
|
break;
|
break;
|
case 0xe5:
|
case 0xe5:
|
code = 0xe7;
|
code = 0xe7;
|
break;
|
break;
|
case 0xec:
|
case 0xec:
|
code = 0xed;
|
code = 0xed;
|
break;
|
break;
|
case 0xed:
|
case 0xed:
|
code = 0xec;
|
code = 0xec;
|
break;
|
break;
|
case 0xee:
|
case 0xee:
|
code = 0xef;
|
code = 0xef;
|
break;
|
break;
|
case 0xef:
|
case 0xef:
|
code = 0xee;
|
code = 0xee;
|
break;
|
break;
|
}
|
}
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
|
|
|
/* Set the reloc type and symbol for the first branch
|
/* Set the reloc type and symbol for the first branch
|
from the second branch. */
|
from the second branch. */
|
irel->r_info = nrel->r_info;
|
irel->r_info = nrel->r_info;
|
|
|
/* Make the reloc for the second branch a null reloc. */
|
/* Make the reloc for the second branch a null reloc. */
|
nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
|
nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
|
R_MN10200_NONE);
|
R_MN10200_NONE);
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 1, 2))
|
irel->r_offset + 1, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
}
|
}
|
|
|
/* Try to turn a 24bit immediate, displacement or absolute address
|
/* Try to turn a 24bit immediate, displacement or absolute address
|
into a 16bit immediate, displacement or absolute address. */
|
into a 16bit immediate, displacement or absolute address. */
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_24)
|
if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10200_24)
|
{
|
{
|
bfd_vma value = symval;
|
bfd_vma value = symval;
|
|
|
/* See if the value will fit in 16 bits.
|
/* See if the value will fit in 16 bits.
|
We allow any 16bit match here. We prune those we can't
|
We allow any 16bit match here. We prune those we can't
|
handle below. */
|
handle below. */
|
if ((long) value < 0x7fff && (long) value > -0x8000)
|
if ((long) value < 0x7fff && (long) value > -0x8000)
|
{
|
{
|
unsigned char code;
|
unsigned char code;
|
|
|
/* All insns which have 24bit operands are 5 bytes long,
|
/* All insns which have 24bit operands are 5 bytes long,
|
the first byte will always be 0xf4, but we double check
|
the first byte will always be 0xf4, but we double check
|
it just in case. */
|
it just in case. */
|
|
|
/* Get the first opcode. */
|
/* Get the first opcode. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
|
|
|
if (code != 0xf4)
|
if (code != 0xf4)
|
continue;
|
continue;
|
|
|
/* Get the second opcode. */
|
/* Get the second opcode. */
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
|
|
|
switch (code & 0xfc)
|
switch (code & 0xfc)
|
{
|
{
|
/* mov imm24,dn -> mov imm16,dn */
|
/* mov imm24,dn -> mov imm16,dn */
|
case 0x70:
|
case 0x70:
|
/* Not safe if the high bit is on as relaxing may
|
/* Not safe if the high bit is on as relaxing may
|
move the value out of high mem and thus not fit
|
move the value out of high mem and thus not fit
|
in a signed 16bit value. */
|
in a signed 16bit value. */
|
if (value & 0x8000)
|
if (value & 0x8000)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the reldection contents, etc. */
|
/* Note that we've changed the reldection contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, 0xf8 + (code & 0x03),
|
bfd_put_8 (abfd, 0xf8 + (code & 0x03),
|
contents + irel->r_offset - 2);
|
contents + irel->r_offset - 2);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_16);
|
R_MN10200_16);
|
|
|
/* The opcode got shorter too, so we have to fix the
|
/* The opcode got shorter too, so we have to fix the
|
offset. */
|
offset. */
|
irel->r_offset -= 1;
|
irel->r_offset -= 1;
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 1, 2))
|
irel->r_offset + 1, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
break;
|
break;
|
|
|
/* mov imm24,an -> mov imm16,an
|
/* mov imm24,an -> mov imm16,an
|
cmp imm24,an -> cmp imm16,an
|
cmp imm24,an -> cmp imm16,an
|
mov (abs24),dn -> mov (abs16),dn
|
mov (abs24),dn -> mov (abs16),dn
|
mov dn,(abs24) -> mov dn,(abs16)
|
mov dn,(abs24) -> mov dn,(abs16)
|
movb dn,(abs24) -> movb dn,(abs16)
|
movb dn,(abs24) -> movb dn,(abs16)
|
movbu (abs24),dn -> movbu (abs16),dn */
|
movbu (abs24),dn -> movbu (abs16),dn */
|
case 0x74:
|
case 0x74:
|
case 0x7c:
|
case 0x7c:
|
case 0xc0:
|
case 0xc0:
|
case 0x40:
|
case 0x40:
|
case 0x44:
|
case 0x44:
|
case 0xc8:
|
case 0xc8:
|
/* Note that we've changed the reldection contents, etc. */
|
/* Note that we've changed the reldection contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
if ((code & 0xfc) == 0x74)
|
if ((code & 0xfc) == 0x74)
|
code = 0xdc + (code & 0x03);
|
code = 0xdc + (code & 0x03);
|
else if ((code & 0xfc) == 0x7c)
|
else if ((code & 0xfc) == 0x7c)
|
code = 0xec + (code & 0x03);
|
code = 0xec + (code & 0x03);
|
else if ((code & 0xfc) == 0xc0)
|
else if ((code & 0xfc) == 0xc0)
|
code = 0xc8 + (code & 0x03);
|
code = 0xc8 + (code & 0x03);
|
else if ((code & 0xfc) == 0x40)
|
else if ((code & 0xfc) == 0x40)
|
code = 0xc0 + (code & 0x03);
|
code = 0xc0 + (code & 0x03);
|
else if ((code & 0xfc) == 0x44)
|
else if ((code & 0xfc) == 0x44)
|
code = 0xc4 + (code & 0x03);
|
code = 0xc4 + (code & 0x03);
|
else if ((code & 0xfc) == 0xc8)
|
else if ((code & 0xfc) == 0xc8)
|
code = 0xcc + (code & 0x03);
|
code = 0xcc + (code & 0x03);
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_16);
|
R_MN10200_16);
|
|
|
/* The opcode got shorter too, so we have to fix the
|
/* The opcode got shorter too, so we have to fix the
|
offset. */
|
offset. */
|
irel->r_offset -= 1;
|
irel->r_offset -= 1;
|
|
|
/* Delete two bytes of data. */
|
/* Delete two bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 1, 2))
|
irel->r_offset + 1, 2))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
break;
|
break;
|
|
|
/* cmp imm24,dn -> cmp imm16,dn
|
/* cmp imm24,dn -> cmp imm16,dn
|
mov (abs24),an -> mov (abs16),an
|
mov (abs24),an -> mov (abs16),an
|
mov an,(abs24) -> mov an,(abs16)
|
mov an,(abs24) -> mov an,(abs16)
|
add imm24,dn -> add imm16,dn
|
add imm24,dn -> add imm16,dn
|
add imm24,an -> add imm16,an
|
add imm24,an -> add imm16,an
|
sub imm24,dn -> sub imm16,dn
|
sub imm24,dn -> sub imm16,dn
|
sub imm24,an -> sub imm16,an
|
sub imm24,an -> sub imm16,an
|
And all d24->d16 in memory ops. */
|
And all d24->d16 in memory ops. */
|
case 0x78:
|
case 0x78:
|
case 0xd0:
|
case 0xd0:
|
case 0x50:
|
case 0x50:
|
case 0x60:
|
case 0x60:
|
case 0x64:
|
case 0x64:
|
case 0x68:
|
case 0x68:
|
case 0x6c:
|
case 0x6c:
|
case 0x80:
|
case 0x80:
|
case 0xf0:
|
case 0xf0:
|
case 0x00:
|
case 0x00:
|
case 0x10:
|
case 0x10:
|
case 0xb0:
|
case 0xb0:
|
case 0x30:
|
case 0x30:
|
case 0xa0:
|
case 0xa0:
|
case 0x20:
|
case 0x20:
|
case 0x90:
|
case 0x90:
|
/* Not safe if the high bit is on as relaxing may
|
/* Not safe if the high bit is on as relaxing may
|
move the value out of high mem and thus not fit
|
move the value out of high mem and thus not fit
|
in a signed 16bit value. */
|
in a signed 16bit value. */
|
if (((code & 0xfc) == 0x78
|
if (((code & 0xfc) == 0x78
|
|| (code & 0xfc) == 0x60
|
|| (code & 0xfc) == 0x60
|
|| (code & 0xfc) == 0x64
|
|| (code & 0xfc) == 0x64
|
|| (code & 0xfc) == 0x68
|
|| (code & 0xfc) == 0x68
|
|| (code & 0xfc) == 0x6c
|
|| (code & 0xfc) == 0x6c
|
|| (code & 0xfc) == 0x80
|
|| (code & 0xfc) == 0x80
|
|| (code & 0xfc) == 0xf0
|
|| (code & 0xfc) == 0xf0
|
|| (code & 0xfc) == 0x00
|
|| (code & 0xfc) == 0x00
|
|| (code & 0xfc) == 0x10
|
|| (code & 0xfc) == 0x10
|
|| (code & 0xfc) == 0xb0
|
|| (code & 0xfc) == 0xb0
|
|| (code & 0xfc) == 0x30
|
|| (code & 0xfc) == 0x30
|
|| (code & 0xfc) == 0xa0
|
|| (code & 0xfc) == 0xa0
|
|| (code & 0xfc) == 0x20
|
|| (code & 0xfc) == 0x20
|
|| (code & 0xfc) == 0x90)
|
|| (code & 0xfc) == 0x90)
|
&& (value & 0x8000) != 0)
|
&& (value & 0x8000) != 0)
|
continue;
|
continue;
|
|
|
/* Note that we've changed the reldection contents, etc. */
|
/* Note that we've changed the reldection contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
/* Fix the opcode. */
|
/* Fix the opcode. */
|
bfd_put_8 (abfd, 0xf7, contents + irel->r_offset - 2);
|
bfd_put_8 (abfd, 0xf7, contents + irel->r_offset - 2);
|
|
|
if ((code & 0xfc) == 0x78)
|
if ((code & 0xfc) == 0x78)
|
code = 0x48 + (code & 0x03);
|
code = 0x48 + (code & 0x03);
|
else if ((code & 0xfc) == 0xd0)
|
else if ((code & 0xfc) == 0xd0)
|
code = 0x30 + (code & 0x03);
|
code = 0x30 + (code & 0x03);
|
else if ((code & 0xfc) == 0x50)
|
else if ((code & 0xfc) == 0x50)
|
code = 0x20 + (code & 0x03);
|
code = 0x20 + (code & 0x03);
|
else if ((code & 0xfc) == 0x60)
|
else if ((code & 0xfc) == 0x60)
|
code = 0x18 + (code & 0x03);
|
code = 0x18 + (code & 0x03);
|
else if ((code & 0xfc) == 0x64)
|
else if ((code & 0xfc) == 0x64)
|
code = 0x08 + (code & 0x03);
|
code = 0x08 + (code & 0x03);
|
else if ((code & 0xfc) == 0x68)
|
else if ((code & 0xfc) == 0x68)
|
code = 0x1c + (code & 0x03);
|
code = 0x1c + (code & 0x03);
|
else if ((code & 0xfc) == 0x6c)
|
else if ((code & 0xfc) == 0x6c)
|
code = 0x0c + (code & 0x03);
|
code = 0x0c + (code & 0x03);
|
else if ((code & 0xfc) == 0x80)
|
else if ((code & 0xfc) == 0x80)
|
code = 0xc0 + (code & 0x07);
|
code = 0xc0 + (code & 0x07);
|
else if ((code & 0xfc) == 0xf0)
|
else if ((code & 0xfc) == 0xf0)
|
code = 0xb0 + (code & 0x07);
|
code = 0xb0 + (code & 0x07);
|
else if ((code & 0xfc) == 0x00)
|
else if ((code & 0xfc) == 0x00)
|
code = 0x80 + (code & 0x07);
|
code = 0x80 + (code & 0x07);
|
else if ((code & 0xfc) == 0x10)
|
else if ((code & 0xfc) == 0x10)
|
code = 0xa0 + (code & 0x07);
|
code = 0xa0 + (code & 0x07);
|
else if ((code & 0xfc) == 0xb0)
|
else if ((code & 0xfc) == 0xb0)
|
code = 0x70 + (code & 0x07);
|
code = 0x70 + (code & 0x07);
|
else if ((code & 0xfc) == 0x30)
|
else if ((code & 0xfc) == 0x30)
|
code = 0x60 + (code & 0x07);
|
code = 0x60 + (code & 0x07);
|
else if ((code & 0xfc) == 0xa0)
|
else if ((code & 0xfc) == 0xa0)
|
code = 0xd0 + (code & 0x07);
|
code = 0xd0 + (code & 0x07);
|
else if ((code & 0xfc) == 0x20)
|
else if ((code & 0xfc) == 0x20)
|
code = 0x90 + (code & 0x07);
|
code = 0x90 + (code & 0x07);
|
else if ((code & 0xfc) == 0x90)
|
else if ((code & 0xfc) == 0x90)
|
code = 0x50 + (code & 0x07);
|
code = 0x50 + (code & 0x07);
|
|
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
|
bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_16);
|
R_MN10200_16);
|
|
|
/* Delete one bytes of data. */
|
/* Delete one bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 2, 1))
|
irel->r_offset + 2, 1))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
break;
|
break;
|
|
|
/* movb (abs24),dn ->movbu (abs16),dn extxb bn */
|
/* movb (abs24),dn ->movbu (abs16),dn extxb bn */
|
case 0xc4:
|
case 0xc4:
|
/* Note that we've changed the reldection contents, etc. */
|
/* Note that we've changed the reldection contents, etc. */
|
elf_section_data (sec)->relocs = internal_relocs;
|
elf_section_data (sec)->relocs = internal_relocs;
|
free_relocs = NULL;
|
free_relocs = NULL;
|
|
|
elf_section_data (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
free_contents = NULL;
|
free_contents = NULL;
|
|
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
symtab_hdr->contents = (bfd_byte *) extsyms;
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
|
|
bfd_put_8 (abfd, 0xcc + (code & 0x03),
|
bfd_put_8 (abfd, 0xcc + (code & 0x03),
|
contents + irel->r_offset - 2);
|
contents + irel->r_offset - 2);
|
|
|
bfd_put_8 (abfd, 0xb8 + (code & 0x03),
|
bfd_put_8 (abfd, 0xb8 + (code & 0x03),
|
contents + irel->r_offset - 1);
|
contents + irel->r_offset - 1);
|
|
|
/* Fix the relocation's type. */
|
/* Fix the relocation's type. */
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
|
R_MN10200_16);
|
R_MN10200_16);
|
|
|
/* The reloc will be applied one byte in front of its
|
/* The reloc will be applied one byte in front of its
|
current location. */
|
current location. */
|
irel->r_offset -= 1;
|
irel->r_offset -= 1;
|
|
|
/* Delete one bytes of data. */
|
/* Delete one bytes of data. */
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
if (!mn10200_elf_relax_delete_bytes (abfd, sec,
|
irel->r_offset + 2, 1))
|
irel->r_offset + 2, 1))
|
goto error_return;
|
goto error_return;
|
|
|
/* That will change things, so, we should relax again.
|
/* That will change things, so, we should relax again.
|
Note that this is not required, and it may be slow. */
|
Note that this is not required, and it may be slow. */
|
*again = true;
|
*again = true;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (free_relocs != NULL)
|
if (free_relocs != NULL)
|
{
|
{
|
free (free_relocs);
|
free (free_relocs);
|
free_relocs = NULL;
|
free_relocs = NULL;
|
}
|
}
|
|
|
if (free_contents != NULL)
|
if (free_contents != NULL)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (free_contents);
|
free (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 (sec)->this_hdr.contents = contents;
|
elf_section_data (sec)->this_hdr.contents = contents;
|
}
|
}
|
free_contents = NULL;
|
free_contents = NULL;
|
}
|
}
|
|
|
if (free_extsyms != NULL)
|
if (free_extsyms != NULL)
|
{
|
{
|
if (! link_info->keep_memory)
|
if (! link_info->keep_memory)
|
free (free_extsyms);
|
free (free_extsyms);
|
else
|
else
|
{
|
{
|
/* Cache the symbols for elf_link_input_bfd. */
|
/* Cache the symbols for elf_link_input_bfd. */
|
symtab_hdr->contents = extsyms;
|
symtab_hdr->contents = extsyms;
|
}
|
}
|
free_extsyms = NULL;
|
free_extsyms = NULL;
|
}
|
}
|
|
|
return true;
|
return true;
|
|
|
error_return:
|
error_return:
|
if (free_relocs != NULL)
|
if (free_relocs != NULL)
|
free (free_relocs);
|
free (free_relocs);
|
if (free_contents != NULL)
|
if (free_contents != NULL)
|
free (free_contents);
|
free (free_contents);
|
if (free_extsyms != NULL)
|
if (free_extsyms != NULL)
|
free (free_extsyms);
|
free (free_extsyms);
|
return false;
|
return false;
|
}
|
}
|
|
|
/* Delete some bytes from a section while relaxing. */
|
/* Delete some bytes from a section while relaxing. */
|
|
|
static boolean
|
static boolean
|
mn10200_elf_relax_delete_bytes (abfd, sec, addr, count)
|
mn10200_elf_relax_delete_bytes (abfd, sec, addr, count)
|
bfd *abfd;
|
bfd *abfd;
|
asection *sec;
|
asection *sec;
|
bfd_vma addr;
|
bfd_vma addr;
|
int count;
|
int count;
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf32_External_Sym *extsyms;
|
Elf32_External_Sym *extsyms;
|
int shndx, index;
|
int shndx, index;
|
bfd_byte *contents;
|
bfd_byte *contents;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irel, *irelend;
|
Elf_Internal_Rela *irelalign;
|
Elf_Internal_Rela *irelalign;
|
bfd_vma toaddr;
|
bfd_vma toaddr;
|
Elf32_External_Sym *esym, *esymend;
|
Elf32_External_Sym *esym, *esymend;
|
struct elf_link_hash_entry *sym_hash;
|
struct elf_link_hash_entry *sym_hash;
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
|
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
|
|
|
shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
|
|
contents = elf_section_data (sec)->this_hdr.contents;
|
contents = elf_section_data (sec)->this_hdr.contents;
|
|
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
/* The deletion must stop at the next ALIGN reloc for an aligment
|
power larger than the number of bytes we are deleting. */
|
power larger than the number of bytes we are deleting. */
|
|
|
irelalign = NULL;
|
irelalign = NULL;
|
toaddr = sec->_cooked_size;
|
toaddr = sec->_cooked_size;
|
|
|
irel = elf_section_data (sec)->relocs;
|
irel = elf_section_data (sec)->relocs;
|
irelend = irel + sec->reloc_count;
|
irelend = irel + sec->reloc_count;
|
|
|
/* Actually delete the bytes. */
|
/* Actually delete the bytes. */
|
memmove (contents + addr, contents + addr + count, toaddr - addr - count);
|
memmove (contents + addr, contents + addr + count, toaddr - addr - count);
|
sec->_cooked_size -= count;
|
sec->_cooked_size -= count;
|
|
|
/* Adjust all the relocs. */
|
/* Adjust all the relocs. */
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
|
{
|
{
|
/* Get the new reloc address. */
|
/* Get the new reloc address. */
|
if ((irel->r_offset > addr
|
if ((irel->r_offset > addr
|
&& irel->r_offset < toaddr))
|
&& irel->r_offset < toaddr))
|
irel->r_offset -= count;
|
irel->r_offset -= count;
|
}
|
}
|
|
|
/* Adjust the local symbols defined in this section. */
|
/* Adjust the local symbols defined in this section. */
|
esym = extsyms;
|
esym = extsyms;
|
esymend = esym + symtab_hdr->sh_info;
|
esymend = esym + symtab_hdr->sh_info;
|
for (; esym < esymend; esym++)
|
for (; esym < esymend; esym++)
|
{
|
{
|
Elf_Internal_Sym isym;
|
Elf_Internal_Sym isym;
|
|
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
|
|
if (isym.st_shndx == shndx
|
if (isym.st_shndx == shndx
|
&& isym.st_value > addr
|
&& isym.st_value > addr
|
&& isym.st_value < toaddr)
|
&& isym.st_value < toaddr)
|
{
|
{
|
isym.st_value -= count;
|
isym.st_value -= count;
|
bfd_elf32_swap_symbol_out (abfd, &isym, esym);
|
bfd_elf32_swap_symbol_out (abfd, &isym, esym);
|
}
|
}
|
}
|
}
|
|
|
/* Now adjust the global symbols defined in this section. */
|
/* Now adjust the global symbols defined in this section. */
|
esym = extsyms + symtab_hdr->sh_info;
|
esym = extsyms + symtab_hdr->sh_info;
|
esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
|
esymend = extsyms + (symtab_hdr->sh_size / sizeof (Elf32_External_Sym));
|
for (index = 0; esym < esymend; esym++, index++)
|
for (index = 0; esym < esymend; esym++, index++)
|
{
|
{
|
Elf_Internal_Sym isym;
|
Elf_Internal_Sym isym;
|
|
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
sym_hash = elf_sym_hashes (abfd)[index];
|
sym_hash = elf_sym_hashes (abfd)[index];
|
if (isym.st_shndx == shndx
|
if (isym.st_shndx == shndx
|
&& ((sym_hash)->root.type == bfd_link_hash_defined
|
&& ((sym_hash)->root.type == bfd_link_hash_defined
|
|| (sym_hash)->root.type == bfd_link_hash_defweak)
|
|| (sym_hash)->root.type == bfd_link_hash_defweak)
|
&& (sym_hash)->root.u.def.section == sec
|
&& (sym_hash)->root.u.def.section == sec
|
&& (sym_hash)->root.u.def.value > addr
|
&& (sym_hash)->root.u.def.value > addr
|
&& (sym_hash)->root.u.def.value < toaddr)
|
&& (sym_hash)->root.u.def.value < toaddr)
|
{
|
{
|
(sym_hash)->root.u.def.value -= count;
|
(sym_hash)->root.u.def.value -= count;
|
}
|
}
|
}
|
}
|
|
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Return true if a symbol exists at the given address, else return
|
/* Return true if a symbol exists at the given address, else return
|
false. */
|
false. */
|
static boolean
|
static boolean
|
mn10200_elf_symbol_address_p (abfd, sec, extsyms, addr)
|
mn10200_elf_symbol_address_p (abfd, sec, extsyms, addr)
|
bfd *abfd;
|
bfd *abfd;
|
asection *sec;
|
asection *sec;
|
Elf32_External_Sym *extsyms;
|
Elf32_External_Sym *extsyms;
|
bfd_vma addr;
|
bfd_vma addr;
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
int shndx;
|
int shndx;
|
Elf32_External_Sym *esym, *esymend;
|
Elf32_External_Sym *esym, *esymend;
|
struct elf_link_hash_entry **sym_hash, **sym_hash_end;
|
struct elf_link_hash_entry **sym_hash, **sym_hash_end;
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
|
|
|
/* Examine all the symbols. */
|
/* Examine all the symbols. */
|
esym = extsyms;
|
esym = extsyms;
|
esymend = esym + symtab_hdr->sh_info;
|
esymend = esym + symtab_hdr->sh_info;
|
for (; esym < esymend; esym++)
|
for (; esym < esymend; esym++)
|
{
|
{
|
Elf_Internal_Sym isym;
|
Elf_Internal_Sym isym;
|
|
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
bfd_elf32_swap_symbol_in (abfd, esym, &isym);
|
|
|
if (isym.st_shndx == shndx
|
if (isym.st_shndx == shndx
|
&& isym.st_value == addr)
|
&& isym.st_value == addr)
|
return true;
|
return true;
|
}
|
}
|
|
|
sym_hash = elf_sym_hashes (abfd);
|
sym_hash = elf_sym_hashes (abfd);
|
sym_hash_end = (sym_hash
|
sym_hash_end = (sym_hash
|
+ (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
+ (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
|
- symtab_hdr->sh_info));
|
- symtab_hdr->sh_info));
|
for (; sym_hash < sym_hash_end; sym_hash++)
|
for (; sym_hash < sym_hash_end; sym_hash++)
|
{
|
{
|
if (((*sym_hash)->root.type == bfd_link_hash_defined
|
if (((*sym_hash)->root.type == bfd_link_hash_defined
|
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
&& (*sym_hash)->root.u.def.section == sec
|
&& (*sym_hash)->root.u.def.section == sec
|
&& (*sym_hash)->root.u.def.value == addr)
|
&& (*sym_hash)->root.u.def.value == addr)
|
return true;
|
return true;
|
}
|
}
|
return false;
|
return false;
|
}
|
}
|
|
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
/* This is a version of bfd_generic_get_relocated_section_contents
|
which uses mn10200_elf_relocate_section. */
|
which uses mn10200_elf_relocate_section. */
|
|
|
static bfd_byte *
|
static bfd_byte *
|
mn10200_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
|
mn10200_elf_get_relocated_section_contents (output_bfd, link_info, link_order,
|
data, relocateable, symbols)
|
data, relocateable, symbols)
|
bfd *output_bfd;
|
bfd *output_bfd;
|
struct bfd_link_info *link_info;
|
struct bfd_link_info *link_info;
|
struct bfd_link_order *link_order;
|
struct bfd_link_order *link_order;
|
bfd_byte *data;
|
bfd_byte *data;
|
boolean relocateable;
|
boolean relocateable;
|
asymbol **symbols;
|
asymbol **symbols;
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
asection *input_section = link_order->u.indirect.section;
|
asection *input_section = link_order->u.indirect.section;
|
bfd *input_bfd = input_section->owner;
|
bfd *input_bfd = input_section->owner;
|
asection **sections = NULL;
|
asection **sections = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf_Internal_Rela *internal_relocs = NULL;
|
Elf32_External_Sym *external_syms = NULL;
|
Elf32_External_Sym *external_syms = NULL;
|
Elf_Internal_Sym *internal_syms = NULL;
|
Elf_Internal_Sym *internal_syms = NULL;
|
|
|
/* We only need to handle the case of relaxing, or of having a
|
/* We only need to handle the case of relaxing, or of having a
|
particular set of section contents, specially. */
|
particular set of section contents, specially. */
|
if (relocateable
|
if (relocateable
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
|| elf_section_data (input_section)->this_hdr.contents == NULL)
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
|
link_order, data,
|
link_order, data,
|
relocateable,
|
relocateable,
|
symbols);
|
symbols);
|
|
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
|
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
memcpy (data, elf_section_data (input_section)->this_hdr.contents,
|
input_section->_raw_size);
|
input_section->_raw_size);
|
|
|
if ((input_section->flags & SEC_RELOC) != 0
|
if ((input_section->flags & SEC_RELOC) != 0
|
&& input_section->reloc_count > 0)
|
&& input_section->reloc_count > 0)
|
{
|
{
|
Elf_Internal_Sym *isymp;
|
Elf_Internal_Sym *isymp;
|
asection **secpp;
|
asection **secpp;
|
Elf32_External_Sym *esym, *esymend;
|
Elf32_External_Sym *esym, *esymend;
|
|
|
if (symtab_hdr->contents != NULL)
|
if (symtab_hdr->contents != NULL)
|
external_syms = (Elf32_External_Sym *) symtab_hdr->contents;
|
external_syms = (Elf32_External_Sym *) symtab_hdr->contents;
|
else
|
else
|
{
|
{
|
external_syms = ((Elf32_External_Sym *)
|
external_syms = ((Elf32_External_Sym *)
|
bfd_malloc (symtab_hdr->sh_info
|
bfd_malloc (symtab_hdr->sh_info
|
* sizeof (Elf32_External_Sym)));
|
* sizeof (Elf32_External_Sym)));
|
if (external_syms == NULL && symtab_hdr->sh_info > 0)
|
if (external_syms == NULL && symtab_hdr->sh_info > 0)
|
goto error_return;
|
goto error_return;
|
if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|
if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|
|| (bfd_read (external_syms, sizeof (Elf32_External_Sym),
|
|| (bfd_read (external_syms, sizeof (Elf32_External_Sym),
|
symtab_hdr->sh_info, input_bfd)
|
symtab_hdr->sh_info, input_bfd)
|
!= (symtab_hdr->sh_info * sizeof (Elf32_External_Sym))))
|
!= (symtab_hdr->sh_info * sizeof (Elf32_External_Sym))))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
internal_relocs = (_bfd_elf32_link_read_relocs
|
internal_relocs = (_bfd_elf32_link_read_relocs
|
(input_bfd, input_section, (PTR) NULL,
|
(input_bfd, input_section, (PTR) NULL,
|
(Elf_Internal_Rela *) NULL, false));
|
(Elf_Internal_Rela *) NULL, false));
|
if (internal_relocs == NULL)
|
if (internal_relocs == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
internal_syms = ((Elf_Internal_Sym *)
|
internal_syms = ((Elf_Internal_Sym *)
|
bfd_malloc (symtab_hdr->sh_info
|
bfd_malloc (symtab_hdr->sh_info
|
* sizeof (Elf_Internal_Sym)));
|
* sizeof (Elf_Internal_Sym)));
|
if (internal_syms == NULL && symtab_hdr->sh_info > 0)
|
if (internal_syms == NULL && symtab_hdr->sh_info > 0)
|
goto error_return;
|
goto error_return;
|
|
|
sections = (asection **) bfd_malloc (symtab_hdr->sh_info
|
sections = (asection **) bfd_malloc (symtab_hdr->sh_info
|
* sizeof (asection *));
|
* sizeof (asection *));
|
if (sections == NULL && symtab_hdr->sh_info > 0)
|
if (sections == NULL && symtab_hdr->sh_info > 0)
|
goto error_return;
|
goto error_return;
|
|
|
isymp = internal_syms;
|
isymp = internal_syms;
|
secpp = sections;
|
secpp = sections;
|
esym = external_syms;
|
esym = external_syms;
|
esymend = esym + symtab_hdr->sh_info;
|
esymend = esym + symtab_hdr->sh_info;
|
for (; esym < esymend; ++esym, ++isymp, ++secpp)
|
for (; esym < esymend; ++esym, ++isymp, ++secpp)
|
{
|
{
|
asection *isec;
|
asection *isec;
|
|
|
bfd_elf32_swap_symbol_in (input_bfd, esym, isymp);
|
bfd_elf32_swap_symbol_in (input_bfd, esym, isymp);
|
|
|
if (isymp->st_shndx == SHN_UNDEF)
|
if (isymp->st_shndx == SHN_UNDEF)
|
isec = bfd_und_section_ptr;
|
isec = bfd_und_section_ptr;
|
else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
|
else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE)
|
isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
|
isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx);
|
else if (isymp->st_shndx == SHN_ABS)
|
else if (isymp->st_shndx == SHN_ABS)
|
isec = bfd_abs_section_ptr;
|
isec = bfd_abs_section_ptr;
|
else if (isymp->st_shndx == SHN_COMMON)
|
else if (isymp->st_shndx == SHN_COMMON)
|
isec = bfd_com_section_ptr;
|
isec = bfd_com_section_ptr;
|
else
|
else
|
{
|
{
|
/* Who knows? */
|
/* Who knows? */
|
isec = NULL;
|
isec = NULL;
|
}
|
}
|
|
|
*secpp = isec;
|
*secpp = isec;
|
}
|
}
|
|
|
if (! mn10200_elf_relocate_section (output_bfd, link_info, input_bfd,
|
if (! mn10200_elf_relocate_section (output_bfd, link_info, input_bfd,
|
input_section, data, internal_relocs,
|
input_section, data, internal_relocs,
|
internal_syms, sections))
|
internal_syms, sections))
|
goto error_return;
|
goto error_return;
|
|
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
sections = NULL;
|
sections = NULL;
|
if (internal_syms != NULL)
|
if (internal_syms != NULL)
|
free (internal_syms);
|
free (internal_syms);
|
internal_syms = NULL;
|
internal_syms = NULL;
|
if (external_syms != NULL && symtab_hdr->contents == NULL)
|
if (external_syms != NULL && symtab_hdr->contents == NULL)
|
free (external_syms);
|
free (external_syms);
|
external_syms = NULL;
|
external_syms = NULL;
|
if (internal_relocs != elf_section_data (input_section)->relocs)
|
if (internal_relocs != elf_section_data (input_section)->relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
internal_relocs = NULL;
|
internal_relocs = NULL;
|
}
|
}
|
|
|
return data;
|
return data;
|
|
|
error_return:
|
error_return:
|
if (internal_relocs != NULL
|
if (internal_relocs != NULL
|
&& internal_relocs != elf_section_data (input_section)->relocs)
|
&& internal_relocs != elf_section_data (input_section)->relocs)
|
free (internal_relocs);
|
free (internal_relocs);
|
if (external_syms != NULL && symtab_hdr->contents == NULL)
|
if (external_syms != NULL && symtab_hdr->contents == NULL)
|
free (external_syms);
|
free (external_syms);
|
if (internal_syms != NULL)
|
if (internal_syms != NULL)
|
free (internal_syms);
|
free (internal_syms);
|
if (sections != NULL)
|
if (sections != NULL)
|
free (sections);
|
free (sections);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_mn10200_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_mn10200_vec
|
#define TARGET_LITTLE_NAME "elf32-mn10200"
|
#define TARGET_LITTLE_NAME "elf32-mn10200"
|
#define ELF_ARCH bfd_arch_mn10200
|
#define ELF_ARCH bfd_arch_mn10200
|
#define ELF_MACHINE_CODE EM_CYGNUS_MN10200
|
#define ELF_MACHINE_CODE EM_CYGNUS_MN10200
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
|
|
#define elf_info_to_howto mn10200_info_to_howto
|
#define elf_info_to_howto mn10200_info_to_howto
|
#define elf_info_to_howto_rel 0
|
#define elf_info_to_howto_rel 0
|
#define elf_backend_relocate_section mn10200_elf_relocate_section
|
#define elf_backend_relocate_section mn10200_elf_relocate_section
|
#define bfd_elf32_bfd_relax_section mn10200_elf_relax_section
|
#define bfd_elf32_bfd_relax_section mn10200_elf_relax_section
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
#define bfd_elf32_bfd_get_relocated_section_contents \
|
mn10200_elf_get_relocated_section_contents
|
mn10200_elf_get_relocated_section_contents
|
|
|
#define elf_symbol_leading_char '_'
|
#define elf_symbol_leading_char '_'
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
