/* D30V-specific support for 32-bit ELF
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/* D30V-specific support for 32-bit ELF
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Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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Contributed by Martin Hunt (hunt@cygnus.com).
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Contributed by Martin Hunt (hunt@cygnus.com).
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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 d30v_info_to_howto_rel
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static void d30v_info_to_howto_rel
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
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static void d30v_info_to_howto_rela
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static void d30v_info_to_howto_rela
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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 bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS ((
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static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS ((
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bfd *abfd,
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bfd *abfd,
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arelent *reloc_entry,
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arelent *reloc_entry,
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asymbol *symbol,
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asymbol *symbol,
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PTR data,
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PTR data,
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asection *input_section,
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asection *input_section,
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bfd *output_bfd,
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bfd *output_bfd,
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char **error_message));
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char **error_message));
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static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS ((
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static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS ((
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bfd *abfd,
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bfd *abfd,
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arelent *reloc_entry,
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arelent *reloc_entry,
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asymbol *symbol,
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asymbol *symbol,
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PTR data,
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PTR data,
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asection *input_section,
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asection *input_section,
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bfd *output_bfd,
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bfd *output_bfd,
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char **error_message));
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char **error_message));
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enum reloc_type
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enum reloc_type
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{
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{
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R_D30V_NONE = 0,
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R_D30V_NONE = 0,
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R_D30V_6,
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R_D30V_6,
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R_D30V_9_PCREL,
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R_D30V_9_PCREL,
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R_D30V_9_PCREL_R,
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R_D30V_9_PCREL_R,
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R_D30V_15,
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R_D30V_15,
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R_D30V_15_PCREL,
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R_D30V_15_PCREL,
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R_D30V_15_PCREL_R,
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R_D30V_15_PCREL_R,
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R_D30V_21,
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R_D30V_21,
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R_D30V_21_PCREL,
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R_D30V_21_PCREL,
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R_D30V_21_PCREL_R,
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R_D30V_21_PCREL_R,
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R_D30V_32,
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R_D30V_32,
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R_D30V_32_PCREL,
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R_D30V_32_PCREL,
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R_D30V_32_NORMAL,
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R_D30V_32_NORMAL,
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R_D30V_max
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R_D30V_max
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};
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};
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static reloc_howto_type elf_d30v_howto_table[] =
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static reloc_howto_type elf_d30v_howto_table[] =
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{
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{
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/* This reloc does nothing. */
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/* This reloc does nothing. */
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HOWTO (R_D30V_NONE, /* type */
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HOWTO (R_D30V_NONE, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_D30V_NONE", /* name */
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"R_D30V_NONE", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* src_mask */
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0, /* dst_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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/* A 6 bit absolute relocation */
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/* A 6 bit absolute relocation */
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HOWTO (R_D30V_6, /* type */
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HOWTO (R_D30V_6, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* bitsize */
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6, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_D30V_6", /* name */
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"R_D30V_6", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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0x3f, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
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/* A relative 9 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_9_PCREL, /* type */
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HOWTO (R_D30V_9_PCREL, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* bitsize */
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6, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_9_PCREL", /* name */
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"R_D30V_9_PCREL", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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0x3f, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
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/* A relative 9 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_9_PCREL_R, /* type */
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HOWTO (R_D30V_9_PCREL_R, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* bitsize */
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6, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_9_PCREL_R", /* name */
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"R_D30V_9_PCREL_R", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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0x3f, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* An absolute 15 bit relocation, right shifted by 3 */
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/* An absolute 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15, /* type */
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HOWTO (R_D30V_15, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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12, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_D30V_15", /* name */
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"R_D30V_15", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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0xfff, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
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/* A relative 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15_PCREL, /* type */
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HOWTO (R_D30V_15_PCREL, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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12, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_15_PCREL", /* name */
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"R_D30V_15_PCREL", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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0xfff, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
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/* A relative 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15_PCREL_R, /* type */
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HOWTO (R_D30V_15_PCREL_R, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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12, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_15_PCREL_R", /* name */
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"R_D30V_15_PCREL_R", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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0xfff, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* An absolute 21 bit relocation, right shifted by 3 */
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/* An absolute 21 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_21, /* type */
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HOWTO (R_D30V_21, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* bitsize */
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18, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_D30V_21", /* name */
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"R_D30V_21", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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0x3ffff, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3 */
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/* A relative 21 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_21_PCREL, /* type */
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HOWTO (R_D30V_21_PCREL, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* bitsize */
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18, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_21_PCREL", /* name */
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"R_D30V_21_PCREL", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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0x3ffff, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3, in the Right container */
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/* A relative 21 bit relocation, right shifted by 3, in the Right container */
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HOWTO (R_D30V_21_PCREL_R, /* type */
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HOWTO (R_D30V_21_PCREL_R, /* type */
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3, /* rightshift */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* bitsize */
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18, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc_21, /* special_function */
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bfd_elf_d30v_reloc_21, /* special_function */
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"R_D30V_21_PCREL_R", /* name */
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"R_D30V_21_PCREL_R", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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0x3ffff, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* A D30V 32 bit absolute relocation */
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/* A D30V 32 bit absolute relocation */
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HOWTO (R_D30V_32, /* type */
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HOWTO (R_D30V_32, /* type */
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0, /* rightshift */
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0, /* rightshift */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_d30v_reloc, /* special_function */
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bfd_elf_d30v_reloc, /* special_function */
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"R_D30V_32", /* name */
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"R_D30V_32", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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/* A relative 32 bit relocation */
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/* A relative 32 bit relocation */
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HOWTO (R_D30V_32_PCREL, /* type */
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HOWTO (R_D30V_32_PCREL, /* type */
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0, /* rightshift */
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0, /* rightshift */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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true, /* pc_relative */
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true, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_d30v_reloc, /* special_function */
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bfd_elf_d30v_reloc, /* special_function */
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"R_D30V_32_PCREL", /* name */
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"R_D30V_32_PCREL", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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true), /* pcrel_offset */
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true), /* pcrel_offset */
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/* A regular 32 bit absolute relocation */
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/* A regular 32 bit absolute relocation */
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HOWTO (R_D30V_32_NORMAL, /* type */
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HOWTO (R_D30V_32_NORMAL, /* type */
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0, /* rightshift */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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32, /* bitsize */
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false, /* pc_relative */
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false, /* pc_relative */
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0, /* bitpos */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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bfd_elf_generic_reloc, /* special_function */
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"R_D30V_32_NORMAL", /* name */
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"R_D30V_32_NORMAL", /* name */
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false, /* partial_inplace */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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0xffffffff, /* dst_mask */
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false), /* pcrel_offset */
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false), /* pcrel_offset */
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};
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};
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#define MIN32 (long long)0xffffffff80000000LL
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#define MIN32 (long long)0xffffffff80000000LL
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#define MAX32 0x7fffffffLL
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#define MAX32 0x7fffffffLL
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static bfd_reloc_status_type
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static bfd_reloc_status_type
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bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
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bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
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bfd *abfd;
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bfd *abfd;
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arelent *reloc_entry;
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arelent *reloc_entry;
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asymbol *symbol;
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asymbol *symbol;
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PTR data;
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PTR data;
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asection *input_section;
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asection *input_section;
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bfd *output_bfd;
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bfd *output_bfd;
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char **error_message;
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char **error_message;
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{
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{
|
long long relocation;
|
long long relocation;
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bfd_vma in1, in2, num;
|
bfd_vma in1, in2, num;
|
bfd_vma tmp_addr = 0;
|
bfd_vma tmp_addr = 0;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
asection *reloc_target_output_section;
|
asection *reloc_target_output_section;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_vma output_base = 0;
|
bfd_vma output_base = 0;
|
reloc_howto_type *howto = reloc_entry->howto;
|
reloc_howto_type *howto = reloc_entry->howto;
|
int make_absolute = 0;
|
int make_absolute = 0;
|
|
|
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
if (r != bfd_reloc_continue)
|
if (r != bfd_reloc_continue)
|
return r;
|
return r;
|
|
|
/* a hacked-up version of bfd_perform_reloc() follows */
|
/* a hacked-up version of bfd_perform_reloc() follows */
|
if (bfd_is_und_section (symbol->section)
|
if (bfd_is_und_section (symbol->section)
|
&& (symbol->flags & BSF_WEAK) == 0
|
&& (symbol->flags & BSF_WEAK) == 0
|
&& output_bfd == (bfd *) NULL)
|
&& output_bfd == (bfd *) NULL)
|
flag = bfd_reloc_undefined;
|
flag = bfd_reloc_undefined;
|
|
|
/* Is the address of the relocation really within the section? */
|
/* Is the address of the relocation really within the section? */
|
if (reloc_entry->address > input_section->_cooked_size)
|
if (reloc_entry->address > input_section->_cooked_size)
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Work out which section the relocation is targetted at and the
|
/* Work out which section the relocation is targetted at and the
|
initial relocation command value. */
|
initial relocation command value. */
|
|
|
/* Get symbol value. (Common symbols are special.) */
|
/* Get symbol value. (Common symbols are special.) */
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
reloc_target_output_section = symbol->section->output_section;
|
reloc_target_output_section = symbol->section->output_section;
|
|
|
/* Convert input-section-relative symbol value to absolute. */
|
/* Convert input-section-relative symbol value to absolute. */
|
if (output_bfd)
|
if (output_bfd)
|
output_base = 0;
|
output_base = 0;
|
else
|
else
|
output_base = reloc_target_output_section->vma;
|
output_base = reloc_target_output_section->vma;
|
|
|
relocation += output_base + symbol->section->output_offset;
|
relocation += output_base + symbol->section->output_offset;
|
|
|
/* Add in supplied addend. */
|
/* Add in supplied addend. */
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
|
|
/* Here the variable relocation holds the final address of the
|
/* Here the variable relocation holds the final address of the
|
symbol we are relocating against, plus any addend. */
|
symbol we are relocating against, plus any addend. */
|
|
|
if (howto->pc_relative == true)
|
if (howto->pc_relative == true)
|
{
|
{
|
tmp_addr = input_section->output_section->vma + input_section->output_offset
|
tmp_addr = input_section->output_section->vma + input_section->output_offset
|
+ reloc_entry->address;
|
+ reloc_entry->address;
|
relocation -= tmp_addr;
|
relocation -= tmp_addr;
|
}
|
}
|
|
|
if (output_bfd != (bfd *) NULL)
|
if (output_bfd != (bfd *) NULL)
|
{
|
{
|
/* This is a partial relocation, and we want to apply the relocation
|
/* This is a partial relocation, and we want to apply the relocation
|
to the reloc entry rather than the raw data. Modify the reloc
|
to the reloc entry rather than the raw data. Modify the reloc
|
inplace to reflect what we now know. */
|
inplace to reflect what we now know. */
|
reloc_entry->addend = relocation;
|
reloc_entry->addend = relocation;
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return flag;
|
return flag;
|
}
|
}
|
else
|
else
|
reloc_entry->addend = 0;
|
reloc_entry->addend = 0;
|
|
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
|
in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
|
|
|
/* extract the addend */
|
/* extract the addend */
|
num = ((in2 & 0x3FFFF)
|
num = ((in2 & 0x3FFFF)
|
| ((in2 & 0xFF00000) >> 2)
|
| ((in2 & 0xFF00000) >> 2)
|
| ((in1 & 0x3F) << 26));
|
| ((in1 & 0x3F) << 26));
|
in1 &= 0xFFFFFFC0;
|
in1 &= 0xFFFFFFC0;
|
in2 = 0x80000000;
|
in2 = 0x80000000;
|
|
|
relocation += num;
|
relocation += num;
|
|
|
if (howto->pc_relative == true && howto->bitsize == 32)
|
if (howto->pc_relative == true && howto->bitsize == 32)
|
{
|
{
|
/* the D30V has a PC that doesn't wrap and PC-relative jumps */
|
/* the D30V has a PC that doesn't wrap and PC-relative jumps */
|
/* are signed, so a PC-relative jump can'tbe more than +/- 2^31 byrtes */
|
/* are signed, so a PC-relative jump can'tbe more than +/- 2^31 byrtes */
|
/* if one exceeds this, change it to an absolute jump */
|
/* if one exceeds this, change it to an absolute jump */
|
if (relocation > MAX32)
|
if (relocation > MAX32)
|
{
|
{
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
make_absolute = 1;
|
make_absolute = 1;
|
}
|
}
|
else if (relocation < MIN32)
|
else if (relocation < MIN32)
|
{
|
{
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
make_absolute = 1;
|
make_absolute = 1;
|
}
|
}
|
}
|
}
|
|
|
in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */
|
in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */
|
in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */
|
in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */
|
in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */
|
in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */
|
|
|
/* change a PC-relative instruction to its absolute equivalent */
|
/* change a PC-relative instruction to its absolute equivalent */
|
/* with this simple hack */
|
/* with this simple hack */
|
if (make_absolute)
|
if (make_absolute)
|
in1 |= 0x00100000;
|
in1 |= 0x00100000;
|
|
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
|
bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
|
|
|
return flag;
|
return flag;
|
}
|
}
|
|
|
|
|
static bfd_reloc_status_type
|
static bfd_reloc_status_type
|
bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
|
bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
|
bfd *abfd;
|
bfd *abfd;
|
arelent *reloc_entry;
|
arelent *reloc_entry;
|
asymbol *symbol;
|
asymbol *symbol;
|
PTR data;
|
PTR data;
|
asection *input_section;
|
asection *input_section;
|
bfd *output_bfd;
|
bfd *output_bfd;
|
char **error_message;
|
char **error_message;
|
{
|
{
|
bfd_vma relocation;
|
bfd_vma relocation;
|
bfd_vma in1, num;
|
bfd_vma in1, num;
|
bfd_reloc_status_type r;
|
bfd_reloc_status_type r;
|
asection *reloc_target_output_section;
|
asection *reloc_target_output_section;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_size_type addr = reloc_entry->address;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
bfd_vma output_base = 0;
|
bfd_vma output_base = 0;
|
reloc_howto_type *howto = reloc_entry->howto;
|
reloc_howto_type *howto = reloc_entry->howto;
|
int mask, max;
|
int mask, max;
|
|
|
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
input_section, output_bfd, error_message);
|
input_section, output_bfd, error_message);
|
if (r != bfd_reloc_continue)
|
if (r != bfd_reloc_continue)
|
return r;
|
return r;
|
|
|
/* a hacked-up version of bfd_perform_reloc() follows */
|
/* a hacked-up version of bfd_perform_reloc() follows */
|
if (bfd_is_und_section (symbol->section)
|
if (bfd_is_und_section (symbol->section)
|
&& (symbol->flags & BSF_WEAK) == 0
|
&& (symbol->flags & BSF_WEAK) == 0
|
&& output_bfd == (bfd *) NULL)
|
&& output_bfd == (bfd *) NULL)
|
flag = bfd_reloc_undefined;
|
flag = bfd_reloc_undefined;
|
|
|
/* Is the address of the relocation really within the section? */
|
/* Is the address of the relocation really within the section? */
|
if (reloc_entry->address > input_section->_cooked_size)
|
if (reloc_entry->address > input_section->_cooked_size)
|
return bfd_reloc_outofrange;
|
return bfd_reloc_outofrange;
|
|
|
/* Work out which section the relocation is targetted at and the
|
/* Work out which section the relocation is targetted at and the
|
initial relocation command value. */
|
initial relocation command value. */
|
|
|
/* Get symbol value. (Common symbols are special.) */
|
/* Get symbol value. (Common symbols are special.) */
|
if (bfd_is_com_section (symbol->section))
|
if (bfd_is_com_section (symbol->section))
|
relocation = 0;
|
relocation = 0;
|
else
|
else
|
relocation = symbol->value;
|
relocation = symbol->value;
|
|
|
reloc_target_output_section = symbol->section->output_section;
|
reloc_target_output_section = symbol->section->output_section;
|
|
|
/* Convert input-section-relative symbol value to absolute. */
|
/* Convert input-section-relative symbol value to absolute. */
|
if (output_bfd)
|
if (output_bfd)
|
output_base = 0;
|
output_base = 0;
|
else
|
else
|
output_base = reloc_target_output_section->vma;
|
output_base = reloc_target_output_section->vma;
|
|
|
relocation += output_base + symbol->section->output_offset;
|
relocation += output_base + symbol->section->output_offset;
|
|
|
/* Add in supplied addend. */
|
/* Add in supplied addend. */
|
relocation += reloc_entry->addend;
|
relocation += reloc_entry->addend;
|
|
|
/* Here the variable relocation holds the final address of the
|
/* Here the variable relocation holds the final address of the
|
symbol we are relocating against, plus any addend. */
|
symbol we are relocating against, plus any addend. */
|
|
|
if (howto->pc_relative == true)
|
if (howto->pc_relative == true)
|
{
|
{
|
relocation -= input_section->output_section->vma + input_section->output_offset;
|
relocation -= input_section->output_section->vma + input_section->output_offset;
|
if (howto->pcrel_offset == true)
|
if (howto->pcrel_offset == true)
|
relocation -= reloc_entry->address;
|
relocation -= reloc_entry->address;
|
}
|
}
|
|
|
if (output_bfd != (bfd *) NULL)
|
if (output_bfd != (bfd *) NULL)
|
{
|
{
|
/* This is a partial relocation, and we want to apply the relocation
|
/* This is a partial relocation, and we want to apply the relocation
|
to the reloc entry rather than the raw data. Modify the reloc
|
to the reloc entry rather than the raw data. Modify the reloc
|
inplace to reflect what we now know. */
|
inplace to reflect what we now know. */
|
reloc_entry->addend = relocation;
|
reloc_entry->addend = relocation;
|
reloc_entry->address += input_section->output_offset;
|
reloc_entry->address += input_section->output_offset;
|
return flag;
|
return flag;
|
}
|
}
|
else
|
else
|
reloc_entry->addend = 0;
|
reloc_entry->addend = 0;
|
|
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
|
|
mask = (1 << howto->bitsize) - 1;
|
mask = (1 << howto->bitsize) - 1;
|
if (howto->bitsize == 6)
|
if (howto->bitsize == 6)
|
mask <<= 12;
|
mask <<= 12;
|
max = (1 << (howto->bitsize + 2)) - 1;
|
max = (1 << (howto->bitsize + 2)) - 1;
|
|
|
/* extract the addend */
|
/* extract the addend */
|
num = in1 & mask; /* 18 bits */
|
num = in1 & mask; /* 18 bits */
|
if (howto->bitsize == 6)
|
if (howto->bitsize == 6)
|
num >>= 12;
|
num >>= 12;
|
num <<= 3; /* shift left 3 */
|
num <<= 3; /* shift left 3 */
|
in1 &= ~mask; /* mask out addend */
|
in1 &= ~mask; /* mask out addend */
|
|
|
relocation += num;
|
relocation += num;
|
if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R ||
|
if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R ||
|
howto->type == R_D30V_9_PCREL_R )
|
howto->type == R_D30V_9_PCREL_R )
|
{
|
{
|
relocation += 4;
|
relocation += 4;
|
}
|
}
|
|
|
if ((int)relocation < 0 )
|
if ((int)relocation < 0 )
|
{
|
{
|
if (~(int)relocation > max)
|
if (~(int)relocation > max)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
}
|
}
|
else
|
else
|
{
|
{
|
if ((int)relocation > max)
|
if ((int)relocation > max)
|
flag = bfd_reloc_overflow;
|
flag = bfd_reloc_overflow;
|
}
|
}
|
relocation >>= 3;
|
relocation >>= 3;
|
if (howto->bitsize == 6)
|
if (howto->bitsize == 6)
|
in1 |= ((relocation & (mask >> 12)) << 12);
|
in1 |= ((relocation & (mask >> 12)) << 12);
|
else
|
else
|
in1 |= relocation & mask;
|
in1 |= relocation & mask;
|
|
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
|
|
return flag;
|
return flag;
|
}
|
}
|
|
|
/* Map BFD reloc types to D30V ELF reloc types. */
|
/* Map BFD reloc types to D30V ELF reloc types. */
|
|
|
struct d30v_reloc_map
|
struct d30v_reloc_map
|
{
|
{
|
bfd_reloc_code_real_type bfd_reloc_val;
|
bfd_reloc_code_real_type bfd_reloc_val;
|
unsigned char elf_reloc_val;
|
unsigned char elf_reloc_val;
|
};
|
};
|
|
|
|
|
static const struct d30v_reloc_map d30v_reloc_map[] =
|
static const struct d30v_reloc_map d30v_reloc_map[] =
|
{
|
{
|
{ BFD_RELOC_NONE, R_D30V_NONE, },
|
{ BFD_RELOC_NONE, R_D30V_NONE, },
|
{ BFD_RELOC_D30V_6, R_D30V_6 },
|
{ BFD_RELOC_D30V_6, R_D30V_6 },
|
{ BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL },
|
{ BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL },
|
{ BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R },
|
{ BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R },
|
{ BFD_RELOC_D30V_15, R_D30V_15 },
|
{ BFD_RELOC_D30V_15, R_D30V_15 },
|
{ BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL },
|
{ BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL },
|
{ BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R },
|
{ BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R },
|
{ BFD_RELOC_D30V_21, R_D30V_21 },
|
{ BFD_RELOC_D30V_21, R_D30V_21 },
|
{ BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL },
|
{ BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL },
|
{ BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R },
|
{ BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R },
|
{ BFD_RELOC_D30V_32, R_D30V_32 },
|
{ BFD_RELOC_D30V_32, R_D30V_32 },
|
{ BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL },
|
{ BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL },
|
{ BFD_RELOC_32, R_D30V_32_NORMAL },
|
{ BFD_RELOC_32, R_D30V_32_NORMAL },
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
|
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd_reloc_code_real_type code;
|
bfd_reloc_code_real_type code;
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map);
|
i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map);
|
i++)
|
i++)
|
{
|
{
|
if (d30v_reloc_map[i].bfd_reloc_val == code)
|
if (d30v_reloc_map[i].bfd_reloc_val == code)
|
return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val];
|
return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val];
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* Set the howto pointer for an D30V ELF reloc (type REL). */
|
/* Set the howto pointer for an D30V ELF reloc (type REL). */
|
|
|
static void
|
static void
|
d30v_info_to_howto_rel (abfd, cache_ptr, dst)
|
d30v_info_to_howto_rel (abfd, cache_ptr, dst)
|
bfd *abfd ATTRIBUTE_UNUSED;
|
bfd *abfd ATTRIBUTE_UNUSED;
|
arelent *cache_ptr;
|
arelent *cache_ptr;
|
Elf32_Internal_Rel *dst;
|
Elf32_Internal_Rel *dst;
|
{
|
{
|
unsigned int r_type;
|
unsigned int r_type;
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
r_type = ELF32_R_TYPE (dst->r_info);
|
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
|
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
|
cache_ptr->howto = &elf_d30v_howto_table[r_type];
|
cache_ptr->howto = &elf_d30v_howto_table[r_type];
|
}
|
}
|
|
|
/* Set the howto pointer for an D30V ELF reloc (type RELA). */
|
/* Set the howto pointer for an D30V ELF reloc (type RELA). */
|
|
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static void
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static void
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d30v_info_to_howto_rela (abfd, cache_ptr, dst)
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d30v_info_to_howto_rela (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_D30V_max);
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BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
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cache_ptr->howto = &elf_d30v_howto_table[r_type];
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cache_ptr->howto = &elf_d30v_howto_table[r_type];
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}
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}
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#define ELF_ARCH bfd_arch_d30v
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#define ELF_ARCH bfd_arch_d30v
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#define ELF_MACHINE_CODE EM_CYGNUS_D30V
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#define ELF_MACHINE_CODE EM_CYGNUS_D30V
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#define ELF_MAXPAGESIZE 0x1000
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#define ELF_MAXPAGESIZE 0x1000
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#define TARGET_BIG_SYM bfd_elf32_d30v_vec
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#define TARGET_BIG_SYM bfd_elf32_d30v_vec
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#define TARGET_BIG_NAME "elf32-d30v"
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#define TARGET_BIG_NAME "elf32-d30v"
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#define elf_info_to_howto d30v_info_to_howto_rela
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#define elf_info_to_howto d30v_info_to_howto_rela
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#define elf_info_to_howto_rel d30v_info_to_howto_rel
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#define elf_info_to_howto_rel d30v_info_to_howto_rel
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#define elf_backend_object_p 0
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#define elf_backend_object_p 0
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#define elf_backend_final_write_processing 0
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#define elf_backend_final_write_processing 0
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#include "elf32-target.h"
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#include "elf32-target.h"
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