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d003868ea7
* bfd.c (_bfd_default_error_handler): Handle %A and %B. (bfd_archive_filename, bfd_get_section_ident): Delete. * ecofflink.c (bfd_ecoff_debug_accumulate_other): Don't call bfd_archive_filename. * elflink.c (elf_link_input_bfd): Don't use callbacks->error_handler to warn about symbols in discarded sections. Use _bfd_error_handler. * aout-adobe.c (aout_adobe_callback): See below. * aout-cris.c (swap_ext_reloc_in): .. * coff-arm.c (find_thumb_glue, find_arm_glue, coff_arm_relocate_section, bfd_arm_process_before_allocation, coff_arm_merge_private_bfd_data, _bfd_coff_arm_set_private_flags, coff_arm_copy_private_bfd_data): .. * coff-i860.c (i860_reloc_processing): .. * coff-mcore.c (mcore_coff_unsupported_reloc, coff_mcore_relocate_section): .. * coff-ppc.c (coff_ppc_relocate_section): .. * coff-rs6000.c (xcoff_create_csect_from_smclas * coff-sh.c (sh_relax_section, sh_relax_delete_bytes, sh_swap_insns, sh_relocate_section): .. * coff-tic54x.c (tic54x_reloc_processing): .. * coff-tic80.c (coff_tic80_relocate_section): .. * coff64-rs6000.c (xcoff64_create_csect_from_smclas): .. * coffcode.h (styp_to_sec_flags, coff_slurp_line_table, coff_slurp_symbol_table, coff_classify_symbol, coff_slurp_reloc_table): .. * coffgen.c (_bfd_coff_read_string_table): .. * cofflink.c (coff_link_add_symbols, _bfd_coff_link_input_bfd, _bfd_coff_generic_relocate_section): .. * cpu-arm.c (bfd_arm_merge_machines): .. * cpu-sh.c (sh_merge_bfd_arch): .. * elf-hppa.h (elf_hppa_relocate_section): .. * elf.c (bfd_elf_string_from_elf_section, setup_group, _bfd_elf_setup_group_pointers, bfd_section_from_shdr, assign_section_numbers, _bfd_elf_symbol_from_bfd_symbol, copy_private_bfd_data, _bfd_elf_validate_reloc): .. * elf32-arm.h (find_thumb_glue, find_arm_glue, bfd_elf32_arm_process_before_allocation, elf32_thumb_to_arm_stub, elf32_arm_to_thumb_stub, elf32_arm_final_link_relocate, elf32_arm_relocate_section, elf32_arm_set_private_flags, elf32_arm_copy_private_bfd_data, elf32_arm_merge_private_bfd_data): .. * elf32-cris.c (cris_elf_relocate_section, cris_elf_check_relocs, cris_elf_merge_private_bfd_data * elf32-frv.c (elf32_frv_relocate_section, elf32_frv_check_relocs): .. * elf32-gen.c (elf32_generic_link_add_symbols): .. * elf32-hppa.c (hppa_add_stub, hppa_build_one_stub, elf32_hppa_check_relocs, get_local_syms, final_link_relocate, elf32_hppa_relocate_section): .. * elf32-i370.c (i370_elf_merge_private_bfd_data, i370_elf_check_relocs, i370_elf_relocate_section): .. * elf32-i386.c (elf_i386_info_to_howto_rel, elf_i386_check_relocs, elf_i386_relocate_section): .. * elf32-m32r.c (m32r_elf_relocate_section, m32r_elf_merge_private_bfd_data): .. * elf32-m68hc1x.c (m68hc12_add_stub, _bfd_m68hc11_elf_merge_private_bfd_data): .. * elf32-m68k.c (elf_m68k_relocate_section): .. * elf32-mcore.c (mcore_elf_unsupported_reloc, mcore_elf_relocate_section): .. * elf32-ppc.c (ppc_elf_merge_private_bfd_data, bad_shared_reloc, ppc_elf_check_relocs, ppc_elf_relocate_section, ppc_elf_begin_write_processing): .. * elf32-s390.c (elf_s390_check_relocs, invalid_tls_insn, elf_s390_relocate_section): .. * elf32-sh-symbian.c (sh_symbian_import_as, sh_symbian_process_embedded_commands, sh_symbian_relocate_section): .. * elf32-sh.c (sh_elf_relax_section, sh_elf_relax_delete_bytes, sh_elf_swap_insns, sh_elf_relocate_section, sh_elf_check_relocs, sh_elf_merge_private_data): .. * elf32-sparc.c (elf32_sparc_check_relocs, elf32_sparc_relocate_section, elf32_sparc_merge_private_bfd_data): .. * elf32-v850.c (v850_elf_check_relocs, v850_elf_merge_private_bfd_data): .. * elf32-xtensa.c (elf_xtensa_check_relocs, elf_xtensa_relocate_section, elf_xtensa_merge_private_bfd_data): .. * elf64-alpha.c (elf64_alpha_relax_with_lituse, elf64_alpha_relax_got_load, elf64_alpha_size_got_sections, elf64_alpha_relocate_section_r, elf64_alpha_relocate_section): .. * elf64-gen.c (elf64_generic_link_add_symbols): .. * elf64-ppc.c (ppc64_elf_merge_private_bfd_data, ppc_add_stub, ppc64_elf_check_relocs, ppc64_elf_edit_opd, ppc64_elf_relocate_section): .. * elf64-s390.c (elf_s390_check_relocs, invalid_tls_insn, elf_s390_relocate_section): .. * elf64-sh64.c (sh_elf64_relocate_section): .. * elf64-sparc.c (sparc64_elf_check_relocs, sparc64_elf_add_symbol_hook, sparc64_elf_relocate_section, sparc64_elf_merge_private_bfd_data): .. * elf64-x86-64.c (elf64_x86_64_check_relocs, elf64_x86_64_relocate_section): .. * elflink.c (_bfd_elf_add_default_symbol, _bfd_elf_link_assign_sym_version, elf_link_read_relocs_from_section, _bfd_elf_link_output_relocs, elf_link_add_object_symbols, bfd_elf_size_dynamic_sections, elf_link_output_extsym, elf_get_linked_section_vma, elf_fixup_link_order, bfd_elf_final_link, bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtinherit, _bfd_elf_section_already_linked): .. * elfxx-ia64.c (elfNN_ia64_relax_section, elfNN_ia64_relocate_section, elfNN_ia64_merge_private_bfd_data): .. * elfxx-mips.c (mips_elf_perform_relocation, _bfd_mips_elf_check_relocs, _bfd_mips_elf_merge_private_bfd_data): .. * ieee.c (ieee_slurp_external_symbols): .. * ihex.c (ihex_bad_byte, ihex_scan, ihex_read_section): .. * libbfd.c (_bfd_generic_verify_endian_match): .. * linker.c (_bfd_generic_link_add_one_symbol, _bfd_generic_section_already_linked): .. * pdp11.c (translate_to_native_sym_flags): .. * pe-mips.c (coff_pe_mips_relocate_section): .. * peicode.h (pe_ILF_build_a_bfd): .. * srec.c (srec_bad_byte): .. * stabs.c (_bfd_link_section_stabs): .. * xcofflink.c (xcoff_link_add_symbols, xcoff_link_input_bfd): .. Replace all uses of bfd_archive_filename and bfd_get_section_ident with corresponding %B and %A in _bfd_error_handler format string. Replace occurrences of "fprintf (stderr," with _bfd_error_handler calls to use %A and %B. Fix "against symbol .. from section" and similar error messages. Combine multiple _bfd_error_handler calls where they were separated due to bfd_archive_filename deficiencies. * bfd-in2.h: Regenerate. include/ * bfdlink.h (struct bfd_link_callbacks): Remove "error_handler". (LD_DEFINITION_IN_DISCARDED_SECTION): Delete. ld/ * ldmain.c (link_callbacks): Remove "error_handler". * ldmisc.c: Include elf-bfd.h. (vfinfo): Sort comment. Handle %A. Use %A instead of bfd_get_section_indent. (error_handler): Delete. * ldmisc.h (error_handler): Delete declaration.
419 lines
12 KiB
C
419 lines
12 KiB
C
/* BFD support for the ARM processor
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Copyright 1994, 1997, 1999, 2000, 2002, 2003, 2004
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Free Software Foundation, Inc.
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Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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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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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "libiberty.h"
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static const bfd_arch_info_type * compatible
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PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
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static bfd_boolean scan
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PARAMS ((const struct bfd_arch_info *, const char *));
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static bfd_boolean arm_check_note
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PARAMS ((bfd *, char *, bfd_size_type, const char *, char **));
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/* This routine is provided two arch_infos and works out which ARM
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machine which would be compatible with both and returns a pointer
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to its info structure. */
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static const bfd_arch_info_type *
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compatible (a,b)
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const bfd_arch_info_type * a;
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const bfd_arch_info_type * b;
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{
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/* If a & b are for different architecture we can do nothing. */
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if (a->arch != b->arch)
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return NULL;
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/* If a & b are for the same machine then all is well. */
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if (a->mach == b->mach)
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return a;
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/* Otherwise if either a or b is the 'default' machine
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then it can be polymorphed into the other. */
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if (a->the_default)
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return b;
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if (b->the_default)
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return a;
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/* So far all newer ARM architecture cores are
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supersets of previous cores. */
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if (a->mach < b->mach)
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return b;
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else if (a->mach > b->mach)
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return a;
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/* Never reached! */
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return NULL;
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}
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static struct
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{
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unsigned int mach;
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char * name;
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}
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processors[] =
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{
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{ bfd_mach_arm_2, "arm2" },
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{ bfd_mach_arm_2a, "arm250" },
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{ bfd_mach_arm_2a, "arm3" },
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{ bfd_mach_arm_3, "arm6" },
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{ bfd_mach_arm_3, "arm60" },
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{ bfd_mach_arm_3, "arm600" },
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{ bfd_mach_arm_3, "arm610" },
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{ bfd_mach_arm_3, "arm7" },
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{ bfd_mach_arm_3, "arm710" },
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{ bfd_mach_arm_3, "arm7500" },
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{ bfd_mach_arm_3, "arm7d" },
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{ bfd_mach_arm_3, "arm7di" },
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{ bfd_mach_arm_3M, "arm7dm" },
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{ bfd_mach_arm_3M, "arm7dmi" },
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{ bfd_mach_arm_4T, "arm7tdmi" },
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{ bfd_mach_arm_4, "arm8" },
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{ bfd_mach_arm_4, "arm810" },
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{ bfd_mach_arm_4, "arm9" },
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{ bfd_mach_arm_4, "arm920" },
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{ bfd_mach_arm_4T, "arm920t" },
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{ bfd_mach_arm_4T, "arm9tdmi" },
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{ bfd_mach_arm_4, "sa1" },
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{ bfd_mach_arm_4, "strongarm"},
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{ bfd_mach_arm_4, "strongarm110" },
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{ bfd_mach_arm_4, "strongarm1100" },
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{ bfd_mach_arm_XScale, "xscale" },
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{ bfd_mach_arm_ep9312, "ep9312" },
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{ bfd_mach_arm_iWMMXt, "iwmmxt" }
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};
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static bfd_boolean
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scan (info, string)
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const struct bfd_arch_info * info;
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const char * string;
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{
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int i;
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/* First test for an exact match. */
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if (strcasecmp (string, info->printable_name) == 0)
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return TRUE;
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/* Next check for a processor name instead of an Architecture name. */
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for (i = sizeof (processors) / sizeof (processors[0]); i--;)
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{
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if (strcasecmp (string, processors [i].name) == 0)
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break;
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}
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if (i != -1 && info->mach == processors [i].mach)
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return TRUE;
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/* Finally check for the default architecture. */
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if (strcasecmp (string, "arm") == 0)
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return info->the_default;
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return FALSE;
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}
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#define N(number, print, default, next) \
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{ 32, 32, 8, bfd_arch_arm, number, "arm", print, 4, default, compatible, scan, next }
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static const bfd_arch_info_type arch_info_struct[] =
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{
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N (bfd_mach_arm_2, "armv2", FALSE, & arch_info_struct[1]),
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N (bfd_mach_arm_2a, "armv2a", FALSE, & arch_info_struct[2]),
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N (bfd_mach_arm_3, "armv3", FALSE, & arch_info_struct[3]),
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N (bfd_mach_arm_3M, "armv3m", FALSE, & arch_info_struct[4]),
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N (bfd_mach_arm_4, "armv4", FALSE, & arch_info_struct[5]),
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N (bfd_mach_arm_4T, "armv4t", FALSE, & arch_info_struct[6]),
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N (bfd_mach_arm_5, "armv5", FALSE, & arch_info_struct[7]),
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N (bfd_mach_arm_5T, "armv5t", FALSE, & arch_info_struct[8]),
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N (bfd_mach_arm_5TE, "armv5te", FALSE, & arch_info_struct[9]),
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N (bfd_mach_arm_XScale, "xscale", FALSE, & arch_info_struct[10]),
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N (bfd_mach_arm_ep9312, "ep9312", FALSE, & arch_info_struct[11]),
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N (bfd_mach_arm_iWMMXt,"iwmmxt", FALSE, NULL)
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};
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const bfd_arch_info_type bfd_arm_arch =
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N (0, "arm", TRUE, & arch_info_struct[0]);
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/* Support functions used by both the COFF and ELF versions of the ARM port. */
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/* Handle the merging of the 'machine' settings of input file IBFD
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and an output file OBFD. These values actually represent the
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different possible ARM architecture variants.
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Returns TRUE if they were merged successfully or FALSE otherwise. */
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bfd_boolean
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bfd_arm_merge_machines (ibfd, obfd)
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bfd * ibfd;
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bfd * obfd;
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{
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unsigned int in = bfd_get_mach (ibfd);
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unsigned int out = bfd_get_mach (obfd);
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/* If the output architecture is unknown, we now have a value to set. */
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if (out == bfd_mach_arm_unknown)
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bfd_set_arch_mach (obfd, bfd_arch_arm, in);
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/* If the input architecture is unknown,
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then so must be the output architecture. */
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else if (in == bfd_mach_arm_unknown)
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/* FIXME: We ought to have some way to
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override this on the command line. */
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bfd_set_arch_mach (obfd, bfd_arch_arm, bfd_mach_arm_unknown);
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/* If they are the same then nothing needs to be done. */
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else if (out == in)
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;
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/* Otherwise the general principle that a earlier architecture can be
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linked with a later architecture to produce a binary that will execute
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on the later architecture.
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We fail however if we attempt to link a Cirrus EP9312 binary with an
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Intel XScale binary, since these architecture have co-processors which
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will not both be present on the same physical hardware. */
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else if (in == bfd_mach_arm_ep9312
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&& (out == bfd_mach_arm_XScale || out == bfd_mach_arm_iWMMXt))
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{
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_bfd_error_handler (_("\
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ERROR: %B is compiled for the EP9312, whereas %B is compiled for XScale"),
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ibfd, obfd);
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bfd_set_error (bfd_error_wrong_format);
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return FALSE;
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}
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else if (out == bfd_mach_arm_ep9312
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&& (in == bfd_mach_arm_XScale || in == bfd_mach_arm_iWMMXt))
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{
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_bfd_error_handler (_("\
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ERROR: %B is compiled for the EP9312, whereas %B is compiled for XScale"),
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obfd, ibfd);
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bfd_set_error (bfd_error_wrong_format);
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return FALSE;
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}
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else if (in > out)
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bfd_set_arch_mach (obfd, bfd_arch_arm, in);
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/* else
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Nothing to do. */
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return TRUE;
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}
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typedef struct
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{
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unsigned char namesz[4]; /* Size of entry's owner string. */
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unsigned char descsz[4]; /* Size of the note descriptor. */
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unsigned char type[4]; /* Interpretation of the descriptor. */
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char name[1]; /* Start of the name+desc data. */
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} arm_Note;
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static bfd_boolean
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arm_check_note (abfd, buffer, buffer_size, expected_name, description_return)
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bfd * abfd;
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char * buffer;
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bfd_size_type buffer_size;
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const char * expected_name;
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char ** description_return;
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{
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unsigned long namesz;
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unsigned long descsz;
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unsigned long type;
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char * descr;
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if (buffer_size < offsetof (arm_Note, name))
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return FALSE;
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/* We have to extract the values this way to allow for a
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host whose endian-ness is different from the target. */
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namesz = bfd_get_32 (abfd, buffer);
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descsz = bfd_get_32 (abfd, buffer + offsetof (arm_Note, descsz));
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type = bfd_get_32 (abfd, buffer + offsetof (arm_Note, type));
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descr = buffer + offsetof (arm_Note, name);
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/* Check for buffer overflow. */
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if (namesz + descsz + offsetof (arm_Note, name) > buffer_size)
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return FALSE;
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if (expected_name == NULL)
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{
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if (namesz != 0)
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return FALSE;
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}
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else
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{
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if (namesz != ((strlen (expected_name) + 1 + 3) & ~3))
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return FALSE;
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if (strcmp (descr, expected_name) != 0)
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return FALSE;
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descr += (namesz + 3) & ~3;
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}
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/* FIXME: We should probably check the type as well. */
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if (description_return != NULL)
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* description_return = descr;
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return TRUE;
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}
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#define NOTE_ARCH_STRING "arch: "
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bfd_boolean
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bfd_arm_update_notes (abfd, note_section)
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bfd * abfd;
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const char * note_section;
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{
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asection * arm_arch_section;
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bfd_size_type buffer_size;
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bfd_byte * buffer;
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char * arch_string;
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char * expected;
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/* Look for a note section. If one is present check the architecture
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string encoded in it, and set it to the current architecture if it is
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different. */
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arm_arch_section = bfd_get_section_by_name (abfd, note_section);
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if (arm_arch_section == NULL)
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return TRUE;
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buffer_size = arm_arch_section->size;
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if (buffer_size == 0)
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return FALSE;
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if (!bfd_malloc_and_get_section (abfd, arm_arch_section, &buffer))
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goto FAIL;
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/* Parse the note. */
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if (! arm_check_note (abfd, buffer, buffer_size, NOTE_ARCH_STRING, & arch_string))
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goto FAIL;
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/* Check the architecture in the note against the architecture of the bfd. */
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switch (bfd_get_mach (abfd))
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{
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default:
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case bfd_mach_arm_unknown: expected = "unknown"; break;
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case bfd_mach_arm_2: expected = "armv2"; break;
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case bfd_mach_arm_2a: expected = "armv2a"; break;
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case bfd_mach_arm_3: expected = "armv3"; break;
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case bfd_mach_arm_3M: expected = "armv3M"; break;
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case bfd_mach_arm_4: expected = "armv4"; break;
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case bfd_mach_arm_4T: expected = "armv4t"; break;
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|
case bfd_mach_arm_5: expected = "armv5"; break;
|
|
case bfd_mach_arm_5T: expected = "armv5t"; break;
|
|
case bfd_mach_arm_5TE: expected = "armv5te"; break;
|
|
case bfd_mach_arm_XScale: expected = "XScale"; break;
|
|
case bfd_mach_arm_ep9312: expected = "ep9312"; break;
|
|
case bfd_mach_arm_iWMMXt: expected = "iWMMXt"; break;
|
|
}
|
|
|
|
if (strcmp (arch_string, expected) != 0)
|
|
{
|
|
strcpy (buffer + offsetof (arm_Note, name) + ((strlen (NOTE_ARCH_STRING) + 3) & ~3), expected);
|
|
|
|
if (! bfd_set_section_contents (abfd, arm_arch_section, buffer,
|
|
(file_ptr) 0, buffer_size))
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("warning: unable to update contents of %s section in %s"),
|
|
note_section, bfd_get_filename (abfd));
|
|
goto FAIL;
|
|
}
|
|
}
|
|
|
|
free (buffer);
|
|
return TRUE;
|
|
|
|
FAIL:
|
|
if (buffer != NULL)
|
|
free (buffer);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
static struct
|
|
{
|
|
const char * string;
|
|
unsigned int mach;
|
|
}
|
|
architectures[] =
|
|
{
|
|
{ "armv2", bfd_mach_arm_2 },
|
|
{ "armv2a", bfd_mach_arm_2a },
|
|
{ "armv3", bfd_mach_arm_3 },
|
|
{ "armv3M", bfd_mach_arm_3M },
|
|
{ "armv4", bfd_mach_arm_4 },
|
|
{ "armv4t", bfd_mach_arm_4T },
|
|
{ "armv5", bfd_mach_arm_5 },
|
|
{ "armv5t", bfd_mach_arm_5T },
|
|
{ "armv5te", bfd_mach_arm_5TE },
|
|
{ "XScale", bfd_mach_arm_XScale },
|
|
{ "ep9312", bfd_mach_arm_ep9312 },
|
|
{ "iWMMXt", bfd_mach_arm_iWMMXt }
|
|
};
|
|
|
|
/* Extract the machine number stored in a note section. */
|
|
unsigned int
|
|
bfd_arm_get_mach_from_notes (abfd, note_section)
|
|
bfd * abfd;
|
|
const char * note_section;
|
|
{
|
|
asection * arm_arch_section;
|
|
bfd_size_type buffer_size;
|
|
bfd_byte * buffer;
|
|
char * arch_string;
|
|
int i;
|
|
|
|
/* Look for a note section. If one is present check the architecture
|
|
string encoded in it, and set it to the current architecture if it is
|
|
different. */
|
|
arm_arch_section = bfd_get_section_by_name (abfd, note_section);
|
|
|
|
if (arm_arch_section == NULL)
|
|
return bfd_mach_arm_unknown;
|
|
|
|
buffer_size = arm_arch_section->size;
|
|
if (buffer_size == 0)
|
|
return bfd_mach_arm_unknown;
|
|
|
|
if (!bfd_malloc_and_get_section (abfd, arm_arch_section, &buffer))
|
|
goto FAIL;
|
|
|
|
/* Parse the note. */
|
|
if (! arm_check_note (abfd, buffer, buffer_size, NOTE_ARCH_STRING, & arch_string))
|
|
goto FAIL;
|
|
|
|
/* Interpret the architecture string. */
|
|
for (i = ARRAY_SIZE (architectures); i--;)
|
|
if (strcmp (arch_string, architectures[i].string) == 0)
|
|
{
|
|
free (buffer);
|
|
return architectures[i].mach;
|
|
}
|
|
|
|
FAIL:
|
|
if (buffer != NULL)
|
|
free (buffer);
|
|
return bfd_mach_arm_unknown;
|
|
}
|