mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-08-05 21:50:21 +08:00
947216bf8f
* internal.h (elf32_internal_ehdr, Elf32_Internal_Ehdr, elf64_internal_ehdr, Elf64_Internal_Ehdr, elf32_internal_phdr, Elf32_Internal_Phdr, elf64_internal_phdr, Elf64_Internal_Phdr, elf32_internal_shdr, Elf32_Internal_Shdr, elf64_internal_shdr, Elf64_Internal_Shdr, elf32_internal_sym, elf64_internal_sym, Elf32_Internal_Sym, Elf64_Internal_Sym, Elf32_Internal_Note, elf32_internal_note, elf32_internal_rel, Elf32_Internal_Rel, elf64_internal_rel, Elf64_Internal_Rel, elf32_internal_rela, elf64_internal_rela, Elf32_Internal_Rela, Elf64_Internal_Rela, elf32_internal_dyn, elf64_internal_dyn, Elf32_Internal_Dyn, Elf64_Internal_Dyn, elf32_internal_verdef, elf64_internal_verdef, elf32_internal_verdaux, elf64_internal_verdaux, elf32_internal_verneed, elf64_internal_verneed, elf32_internal_vernaux, elf64_internal_vernaux, elf32_internal_versym, elf64_internal_versym, Elf32_Internal_Verdef, Elf64_Internal_Verdef, Elf32_Internal_Verdaux, Elf64_Internal_Verdaux, Elf32_Internal_Verneed, Elf64_Internal_Verneed, Elf32_Internal_Vernaux, Elf64_Internal_Vernaux, Elf32_Internal_Versym, Elf64_Internal_Versym, Elf32_Internal_Syminfo, Elf64_Internal_Syminfo): Delete. (Elf_Internal_Rel): Delete. bfd/ChangeLog * elf-bfd.h: Replace occurrences of Elf32_Internal_* and Elf64_Internal_* with Elf_Internal_*. Replace Elf_Internal_Rel with Elf_Internal_Rela. * elf-hppa.h, elf-m10200.c, elf-m10300.c, elf32-arc.c, elf32-arm.h, elf32-avr.c, elf32-cris.c, elf32-d10v.c, elf32-d30v.c, elf32-dlx.c, elf32-fr30.c, elf32-frv.c, elf32-gen.c, elf32-h8300.c, elf32-hppa.c, elf32-i370.c, elf32-i386.c, elf32-i860.c, elf32-i960.c, elf32-ip2k.c, elf32-m32r.c, elf32-m68hc11.c, elf32-m68hc12.c, elf32-m68k.c, elf32-mcore.c, elf32-mips.c, elf32-openrisc.c, elf32-or32.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c, elf64-alpha.c, elf64-gen.c, elf64-hppa.c, elf64-mips.c, elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c, elfarm-nabi.c, elfarm-oabi.c, elfcode.h, elflink.h, elfn32-mips.c, elfxx-ia64.c, elfxx-mips.c: Ditto. * elf-hppa.h (elf_hppa_internal_shdr): Delete. Use Elf_Internal_Shdr throughout instead. * elf.c (_bfd_elf_no_info_to_howto_rel): Delete. * elfcode.h (elf_swap_reloca_in): Pass source operand as a bfd_byte *. Remove INLINE keyword. (elf_swap_reloc_in): Likewise. Also clear r_addend. (elf_swap_reloc_out, elf_swap_reloca_out): Pass destination operand as a bfd_byte *. (elf_write_relocs): Consolidate REL and RELA code. (elf_slurp_reloc_table_from_section): Simplify REL code. (NAME(_bfd_elf,size_info)): Populate reloc swap entries. * elf-bfd.h (MAX_INT_RELS_PER_EXT_REL): Define. * elflink.h (elf_link_read_relocs_from_section): Consolidate REL and RELA code. (elf_link_adjust_relocs): Likewise. Don't malloc space for temp reloc array, use a fixed size of MAX_INT_RELS_PER_EXT_REL. (elf_link_output_relocs): Likewise. (elf_reloc_link_order): Likewise. (elf_finish_pointer_linker_section): Likewise. (struct elf_link_sort_rela): Remove union. (elf_link_sort_cmp1): Update to suit. (elf_link_sort_cmp2): Here too. (elf_link_sort_relocs): Consolidate REL and RELA code. Fix memory over-allocation for int_rels_per_ext_rel != 1 case. * elf32-arm.h: Update all bfd_elf32_swap_reloc_out calls. * elf32-i386.c: Likewise. * elf32-cris.c: Likewise for bfd_elf32_swap_reloca_out. * elf32-hppa.c, elf32-i370.c, elf32-m68k.c, elf32-ppc.c, elf32-s390.c, elf32-sh.c, elf32-vax.c, elfxx-mips.c: Likewise. * elf64-alpha.c: Likewise for bfd_elf64_swap_reloca_out. * elf64-hppa.c, elf64-mips.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c, elf64-x86-64.c: Likewise. * elfxx-ia64.c: Likewise for bfd_elfNN_swap_reloca_out. * elfxx-mips.c (sort_dynamic_relocs): Likewise for bfd_elf32_swap_reloc_in. * elf32-arm.h: Update elf32_arm_info_to_howto calls. * elf32-mips.c: Likewise for mips_info_to_howto_rel. (mips_elf64_swap_reloc_in): Zero r_addend. (mips_elf64_be_swap_reloc_in): Likewise. (mips_elf64_slurp_one_reloc_table): Simplify. * elf64-alpha.c (alpha_elf_size_info): Populate reloc swap entries. * elf64-hppa.c (hppa64_elf_size_info): Likewise. * elf64-sparc.c (sparc64_elf_size_info): Likewise.
427 lines
14 KiB
C
427 lines
14 KiB
C
/* 32-bit ELF support for ARM old abi option.
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Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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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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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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(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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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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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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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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#define OLD_ARM_ABI
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#define bfd_elf32_arm_allocate_interworking_sections \
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bfd_elf32_arm_oabi_allocate_interworking_sections
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#define bfd_elf32_arm_get_bfd_for_interworking \
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bfd_elf32_arm_oabi_get_bfd_for_interworking
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#define bfd_elf32_arm_process_before_allocation \
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bfd_elf32_arm_oabi_process_before_allocation
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#define bfd_elf32_arm_add_glue_sections_to_bfd \
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bfd_elf32_arm_oabi_add_glue_sections_to_bfd
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#include "elf/arm.h"
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#ifndef NUM_ELEM
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#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0])
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#endif
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#define TARGET_LITTLE_SYM bfd_elf32_littlearm_oabi_vec
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#define TARGET_LITTLE_NAME "elf32-littlearm-oabi"
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#define TARGET_BIG_SYM bfd_elf32_bigarm_oabi_vec
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#define TARGET_BIG_NAME "elf32-bigarm-oabi"
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#define elf_info_to_howto elf32_arm_info_to_howto
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#define elf_info_to_howto_rel 0
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#define ARM_ELF_ABI_VERSION 0
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#define ARM_ELF_OS_ABI_VERSION 0
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static reloc_howto_type * find_howto PARAMS ((unsigned int));
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static void elf32_arm_info_to_howto PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static reloc_howto_type * elf32_arm_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type));
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static reloc_howto_type elf32_arm_howto_table[] =
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{
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/* No relocation. */
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HOWTO (R_ARM_NONE, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_NONE", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_PC24, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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24, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_PC24", /* name */
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false, /* partial_inplace */
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0x00ffffff, /* src_mask */
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0x00ffffff, /* dst_mask */
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true), /* pcrel_offset */
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/* 32 bit absolute. */
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HOWTO (R_ARM_ABS32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_ABS32", /* name */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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false), /* pcrel_offset */
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/* Standard 32bit pc-relative reloc. */
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HOWTO (R_ARM_REL32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_REL32", /* name */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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true), /* pcrel_offset */
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/* 8 bit absolute. */
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HOWTO (R_ARM_ABS8, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_ABS8", /* name */
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false, /* partial_inplace */
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0x000000ff, /* src_mask */
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0x000000ff, /* dst_mask */
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false), /* pcrel_offset */
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/* 16 bit absolute. */
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HOWTO (R_ARM_ABS16, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_ABS16", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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/* 12 bit absolute. */
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HOWTO (R_ARM_ABS12, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_ABS12", /* name */
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false, /* partial_inplace */
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0x000008ff, /* src_mask */
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0x000008ff, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_THM_ABS5, /* type */
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6, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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5, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_THM_ABS5", /* name */
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false, /* partial_inplace */
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0x000007e0, /* src_mask */
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0x000007e0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_THM_PC22, /* type */
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1, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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23, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_THM_PC22", /* name */
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false, /* partial_inplace */
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0x07ff07ff, /* src_mask */
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0x07ff07ff, /* dst_mask */
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true), /* pcrel_offset */
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HOWTO (R_ARM_SBREL32, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_SBREL32", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_AMP_VCALL9, /* type */
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1, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_AMP_VCALL9", /* name */
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false, /* partial_inplace */
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0x000000ff, /* src_mask */
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0x000000ff, /* dst_mask */
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true), /* pcrel_offset */
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/* 12 bit pc relative. */
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HOWTO (R_ARM_THM_PC11, /* type */
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1, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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11, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_THM_PC11", /* name */
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false, /* partial_inplace */
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0x000007ff, /* src_mask */
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0x000007ff, /* dst_mask */
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true), /* pcrel_offset */
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/* 12 bit pc relative. */
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HOWTO (R_ARM_THM_PC9, /* type */
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1, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_THM_PC9", /* name */
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false, /* partial_inplace */
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0x000000ff, /* src_mask */
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0x000000ff, /* dst_mask */
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true), /* pcrel_offset */
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/* GNU extension to record C++ vtable hierarchy. */
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HOWTO (R_ARM_GNU_VTINHERIT, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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"R_ARM_GNU_VTINHERIT", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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/* GNU extension to record C++ vtable member usage. */
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HOWTO (R_ARM_GNU_VTENTRY, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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_bfd_elf_rel_vtable_reloc_fn, /* special_function */
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"R_ARM_GNU_VTENTRY", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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/* XXX - gap in index numbering here. */
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HOWTO (R_ARM_PLT32, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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26, /* bitsize */
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true, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_PLT32", /* name */
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true, /* partial_inplace */
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0x00ffffff, /* src_mask */
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0x00ffffff, /* dst_mask */
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true), /* pcrel_offset */
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/* XXX - gap in index numbering here. */
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HOWTO (R_ARM_RREL32, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_RREL32", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_RABS32, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_RABS32", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_RPC24, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_RPC24", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_ARM_RBASE, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_ARM_RBASE", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false) /* pcrel_offset */
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};
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/* Locate a reloc in the howto table. This function must be used
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when the entry number is is > R_ARM_GNU_VTINHERIT. */
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static reloc_howto_type *
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find_howto (r_type)
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unsigned int r_type;
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{
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int i;
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for (i = NUM_ELEM (elf32_arm_howto_table); i--;)
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if (elf32_arm_howto_table [i].type == r_type)
|
|
return elf32_arm_howto_table + i;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
arelent *bfd_reloc;
|
|
Elf_Internal_Rela *elf_reloc;
|
|
{
|
|
unsigned int r_type;
|
|
|
|
r_type = ELF32_R_TYPE (elf_reloc->r_info);
|
|
|
|
if (r_type <= R_ARM_GNU_VTINHERIT)
|
|
bfd_reloc->howto = & elf32_arm_howto_table[r_type];
|
|
else
|
|
bfd_reloc->howto = find_howto (r_type);
|
|
}
|
|
|
|
struct elf32_arm_reloc_map
|
|
{
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
|
unsigned char elf_reloc_val;
|
|
};
|
|
|
|
static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] =
|
|
{
|
|
{BFD_RELOC_NONE, R_ARM_NONE },
|
|
{BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24 },
|
|
{BFD_RELOC_32, R_ARM_ABS32 },
|
|
{BFD_RELOC_32_PCREL, R_ARM_REL32 },
|
|
{BFD_RELOC_8, R_ARM_ABS8 },
|
|
{BFD_RELOC_16, R_ARM_ABS16 },
|
|
{BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12 },
|
|
{BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5 },
|
|
{BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22 },
|
|
{BFD_RELOC_NONE, R_ARM_SBREL32 },
|
|
{BFD_RELOC_NONE, R_ARM_AMP_VCALL9 },
|
|
{BFD_RELOC_THUMB_PCREL_BRANCH12, R_ARM_THM_PC11 },
|
|
{BFD_RELOC_THUMB_PCREL_BRANCH9, R_ARM_THM_PC9 },
|
|
{BFD_RELOC_VTABLE_INHERIT, R_ARM_GNU_VTINHERIT },
|
|
{BFD_RELOC_VTABLE_ENTRY, R_ARM_GNU_VTENTRY }
|
|
};
|
|
|
|
static reloc_howto_type *
|
|
elf32_arm_reloc_type_lookup (abfd, code)
|
|
bfd * abfd ATTRIBUTE_UNUSED;
|
|
bfd_reloc_code_real_type code;
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = NUM_ELEM (elf32_arm_reloc_map); i--;)
|
|
if (elf32_arm_reloc_map[i].bfd_reloc_val == code)
|
|
return & elf32_arm_howto_table [elf32_arm_reloc_map[i].elf_reloc_val];
|
|
|
|
if (code == BFD_RELOC_ARM_PLT32)
|
|
return find_howto (R_ARM_PLT32);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#include "elf32-arm.h"
|