diff options
Diffstat (limited to 'bfd/elf32-mcore.c')
-rw-r--r-- | bfd/elf32-mcore.c | 749 |
1 files changed, 0 insertions, 749 deletions
diff --git a/bfd/elf32-mcore.c b/bfd/elf32-mcore.c deleted file mode 100644 index e4b5cd917ac..00000000000 --- a/bfd/elf32-mcore.c +++ /dev/null @@ -1,749 +0,0 @@ -/* Motorola MCore specific support for 32-bit ELF - Copyright 1994, 1995, 1999, 2000, 2001 Free Software Foundation, Inc. - -This file is part of BFD, the Binary File Descriptor library. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* This file is based on a preliminary RCE ELF ABI. The - information may not match the final RCE ELF ABI. */ - -#include "bfd.h" -#include "sysdep.h" -#include "bfdlink.h" -#include "libbfd.h" -#include "elf-bfd.h" -#include "elf/mcore.h" -#include <assert.h> - -#define USE_RELA /* Only USE_REL is actually significant, but this is - here are a reminder... */ - -static void mcore_elf_howto_init - PARAMS ((void)); -static reloc_howto_type * mcore_elf_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static void mcore_elf_info_to_howto - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); -static boolean mcore_elf_set_private_flags - PARAMS ((bfd *, flagword)); -static boolean mcore_elf_copy_private_bfd_data - PARAMS ((bfd *, bfd *)); -static boolean mcore_elf_merge_private_bfd_data - PARAMS ((bfd *, bfd *)); -static bfd_reloc_status_type mcore_elf_unsupported_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static boolean mcore_elf_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); - -static reloc_howto_type * mcore_elf_howto_table [(int) R_MCORE_max]; - -static reloc_howto_type mcore_elf_howto_raw[] = -{ - /* This reloc does nothing. */ - HOWTO (R_MCORE_NONE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - NULL, /* special_function */ - "R_MCORE_NONE", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* A standard 32 bit relocation. */ - HOWTO (R_MCORE_ADDR32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "ADDR32", /* name *//* For compatability with coff/pe port. */ - false, /* partial_inplace */ - 0x0, /* src_mask */ - 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ - - /* 8 bits + 2 zero bits; jmpi/jsri/lrw instructions. - Should not appear in object files. */ - HOWTO (R_MCORE_PCRELIMM8BY4, /* type */ - 2, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 8, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - mcore_elf_unsupported_reloc, /* special_function */ - "R_MCORE_PCRELIMM8BY4",/* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - true), /* pcrel_offset */ - - /* bsr/bt/bf/br instructions; 11 bits + 1 zero bit - Span 2k instructions == 4k bytes. - Only useful pieces at the relocated address are the opcode (5 bits) */ - HOWTO (R_MCORE_PCRELIMM11BY2,/* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 11, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MCORE_PCRELIMM11BY2",/* name */ - false, /* partial_inplace */ - 0x0, /* src_mask */ - 0x7ff, /* dst_mask */ - true), /* pcrel_offset */ - - /* 4 bits + 1 zero bit; 'loopt' instruction only; unsupported. */ - HOWTO (R_MCORE_PCRELIMM4BY2, /* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 4, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - mcore_elf_unsupported_reloc,/* special_function */ - "R_MCORE_PCRELIMM4BY2",/* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - true), /* pcrel_offset */ - - /* 32-bit pc-relative. Eventually this will help support PIC code. */ - HOWTO (R_MCORE_PCREL32, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MCORE_PCREL32", /* name */ - false, /* partial_inplace */ - 0x0, /* src_mask */ - 0xffffffff, /* dst_mask */ - true), /* pcrel_offset */ - - /* Like PCRELIMM11BY2, this relocation indicates that there is a - 'jsri' at the specified address. There is a separate relocation - entry for the literal pool entry that it references, but we - might be able to change the jsri to a bsr if the target turns out - to be close enough [even though we won't reclaim the literal pool - entry, we'll get some runtime efficiency back]. Note that this - is a relocation that we are allowed to safely ignore. */ - HOWTO (R_MCORE_PCRELJSR_IMM11BY2,/* type */ - 1, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 11, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MCORE_PCRELJSR_IMM11BY2", /* name */ - false, /* partial_inplace */ - 0x0, /* src_mask */ - 0x7ff, /* dst_mask */ - true), /* pcrel_offset */ - - /* GNU extension to record C++ vtable hierarchy */ - HOWTO (R_MCORE_GNU_VTINHERIT, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - NULL, /* special_function */ - "R_MCORE_GNU_VTINHERIT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - /* GNU extension to record C++ vtable member usage */ - HOWTO (R_MCORE_GNU_VTENTRY, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 0, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont,/* complain_on_overflow */ - _bfd_elf_rel_vtable_reloc_fn, /* special_function */ - "R_MCORE_GNU_VTENTRY", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), /* pcrel_offset */ - - HOWTO (R_MCORE_RELATIVE, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - false, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - NULL, /* special_function */ - "R_MCORE_RELATIVE", /* name */ - true, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - false) /* pcrel_offset */ -}; - -#ifndef NUM_ELEM -#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0]) -#endif - -/* Initialize the mcore_elf_howto_table, so that linear accesses can be done. */ -static void -mcore_elf_howto_init () -{ - unsigned int i; - - for (i = NUM_ELEM (mcore_elf_howto_raw); i--;) - { - unsigned int type; - - type = mcore_elf_howto_raw[i].type; - - BFD_ASSERT (type < NUM_ELEM (mcore_elf_howto_table)); - - mcore_elf_howto_table [type] = & mcore_elf_howto_raw [i]; - } -} - -static reloc_howto_type * -mcore_elf_reloc_type_lookup (abfd, code) - bfd * abfd ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; -{ - enum elf_mcore_reloc_type mcore_reloc = R_MCORE_NONE; - - switch (code) - { - case BFD_RELOC_NONE: mcore_reloc = R_MCORE_NONE; break; - case BFD_RELOC_32: mcore_reloc = R_MCORE_ADDR32; break; - case BFD_RELOC_MCORE_PCREL_IMM8BY4: mcore_reloc = R_MCORE_PCRELIMM8BY4; break; - case BFD_RELOC_MCORE_PCREL_IMM11BY2: mcore_reloc = R_MCORE_PCRELIMM11BY2; break; - case BFD_RELOC_MCORE_PCREL_IMM4BY2: mcore_reloc = R_MCORE_PCRELIMM4BY2; break; - case BFD_RELOC_32_PCREL: mcore_reloc = R_MCORE_PCREL32; break; - case BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2: mcore_reloc = R_MCORE_PCRELJSR_IMM11BY2; break; - case BFD_RELOC_VTABLE_INHERIT: mcore_reloc = R_MCORE_GNU_VTINHERIT; break; - case BFD_RELOC_VTABLE_ENTRY: mcore_reloc = R_MCORE_GNU_VTENTRY; break; - case BFD_RELOC_RVA: mcore_reloc = R_MCORE_RELATIVE; break; - default: - return (reloc_howto_type *)NULL; - } - - if (! mcore_elf_howto_table [R_MCORE_PCRELIMM8BY4]) /* Initialize howto table if needed */ - mcore_elf_howto_init (); - - return mcore_elf_howto_table [(int) mcore_reloc]; -}; - -/* Set the howto pointer for a RCE ELF reloc. */ -static void -mcore_elf_info_to_howto (abfd, cache_ptr, dst) - bfd * abfd ATTRIBUTE_UNUSED; - arelent * cache_ptr; - Elf32_Internal_Rela * dst; -{ - if (! mcore_elf_howto_table [R_MCORE_PCRELIMM8BY4]) /* Initialize howto table if needed */ - mcore_elf_howto_init (); - - BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_MCORE_max); - - cache_ptr->howto = mcore_elf_howto_table [ELF32_R_TYPE (dst->r_info)]; -} - -/* Function to set whether a module needs the -mrelocatable bit set. */ -static boolean -mcore_elf_set_private_flags (abfd, flags) - bfd * abfd; - flagword flags; -{ - BFD_ASSERT (! elf_flags_init (abfd) - || elf_elfheader (abfd)->e_flags == flags); - - elf_elfheader (abfd)->e_flags = flags; - elf_flags_init (abfd) = true; - return true; -} - -/* Copy backend specific data from one object module to another. */ -static boolean -mcore_elf_copy_private_bfd_data (ibfd, obfd) - bfd * ibfd; - bfd * obfd; -{ - if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour - || bfd_get_flavour (obfd) != bfd_target_elf_flavour) - return true; - - BFD_ASSERT (! elf_flags_init (obfd) - || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags); - - elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; - elf_flags_init (obfd) = true; - return true; -} - -/* Merge backend specific data from an object file to the output - object file when linking. */ -static boolean -mcore_elf_merge_private_bfd_data (ibfd, obfd) - bfd * ibfd; - bfd * obfd; -{ - flagword old_flags; - flagword new_flags; - - /* Check if we have the same endianess */ - if (_bfd_generic_verify_endian_match (ibfd, obfd) == false) - return false; - - if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour - || bfd_get_flavour (obfd) != bfd_target_elf_flavour) - return true; - - new_flags = elf_elfheader (ibfd)->e_flags; - old_flags = elf_elfheader (obfd)->e_flags; - - if (! elf_flags_init (obfd)) /* First call, no flags set */ - { - elf_flags_init (obfd) = true; - elf_elfheader (obfd)->e_flags = new_flags; - } - else if (new_flags == old_flags) /* Compatible flags are ok */ - ; - else - { - /* FIXME */ - } - - return true; -} - -/* Don't pretend we can deal with unsupported relocs. */ - -static bfd_reloc_status_type -mcore_elf_unsupported_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd * abfd; - arelent * reloc_entry; - asymbol * symbol ATTRIBUTE_UNUSED; - PTR data ATTRIBUTE_UNUSED; - asection * input_section ATTRIBUTE_UNUSED; - bfd * output_bfd ATTRIBUTE_UNUSED; - char ** error_message ATTRIBUTE_UNUSED; -{ - BFD_ASSERT (reloc_entry->howto != (reloc_howto_type *)0); - - _bfd_error_handler (_("%s: Relocation %s (%d) is not currently supported.\n"), - bfd_get_filename (abfd), - reloc_entry->howto->name, - reloc_entry->howto->type); - - return bfd_reloc_notsupported; -} - -/* The RELOCATE_SECTION function is called by the ELF backend linker - to handle the relocations for a section. - - The relocs are always passed as Rela structures; if the section - actually uses Rel structures, the r_addend field will always be - zero. - - This function is responsible for adjust the section contents as - necessary, and (if using Rela relocs and generating a - relocateable output file) adjusting the reloc addend as - necessary. - - This function does not have to worry about setting the reloc - address or the reloc symbol index. - - LOCAL_SYMS is a pointer to the swapped in local symbols. - - LOCAL_SECTIONS is an array giving the section in the input file - corresponding to the st_shndx field of each local symbol. - - The global hash table entry for the global symbols can be found - via elf_sym_hashes (input_bfd). - - When generating relocateable output, this function must handle - STB_LOCAL/STT_SECTION symbols specially. The output symbol is - going to be the section symbol corresponding to the output - section, which means that the addend must be adjusted - accordingly. */ - -static boolean -mcore_elf_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd * output_bfd ATTRIBUTE_UNUSED; - struct bfd_link_info * info; - bfd * input_bfd; - asection * input_section; - bfd_byte * contents; - Elf_Internal_Rela * relocs; - Elf_Internal_Sym * local_syms; - asection ** local_sections; -{ - Elf_Internal_Shdr * symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; - struct elf_link_hash_entry ** sym_hashes = elf_sym_hashes (input_bfd); - Elf_Internal_Rela * rel = relocs; - Elf_Internal_Rela * relend = relocs + input_section->reloc_count; - boolean ret = true; - -#ifdef DEBUG - fprintf (stderr, - "mcore_elf_relocate_section called for %s section %s, %ld relocations%s\n", - bfd_get_filename (input_bfd), - bfd_section_name(input_bfd, input_section), - (long) input_section->reloc_count, - (info->relocateable) ? " (relocatable)" : ""); -#endif - - if (! mcore_elf_howto_table [R_MCORE_PCRELIMM8BY4]) /* Initialize howto table if needed */ - mcore_elf_howto_init (); - - for (; rel < relend; rel++) - { - enum elf_mcore_reloc_type r_type = (enum elf_mcore_reloc_type) ELF32_R_TYPE (rel->r_info); - bfd_vma offset = rel->r_offset; - bfd_vma addend = rel->r_addend; - bfd_reloc_status_type r = bfd_reloc_other; - asection * sec = (asection *) 0; - reloc_howto_type * howto; - bfd_vma relocation; - Elf_Internal_Sym * sym = (Elf_Internal_Sym *) 0; - unsigned long r_symndx; - struct elf_link_hash_entry * h = (struct elf_link_hash_entry *) 0; - unsigned short oldinst = 0; - - /* Unknown relocation handling */ - if ((unsigned) r_type >= (unsigned) R_MCORE_max - || ! mcore_elf_howto_table [(int)r_type]) - { - _bfd_error_handler (_("%s: Unknown relocation type %d\n"), - bfd_get_filename (input_bfd), - (int) r_type); - - bfd_set_error (bfd_error_bad_value); - ret = false; - continue; - } - - howto = mcore_elf_howto_table [(int) r_type]; - r_symndx = ELF32_R_SYM (rel->r_info); - - if (info->relocateable) - { - /* This is a relocateable link. We don't have to change - anything, unless the reloc is against a section symbol, - in which case we have to adjust according to where the - section symbol winds up in the output section. */ - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - - if ((unsigned)ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - sec = local_sections[r_symndx]; - addend = rel->r_addend += sec->output_offset + sym->st_value; - } - } - -#ifdef DEBUG - fprintf (stderr, "\ttype = %s (%d), symbol index = %ld, offset = %ld, addend = %ld\n", - howto->name, (int) r_type, r_symndx, (long) offset, (long) addend); -#endif - continue; - } - - /* This is a final link. */ - - /* Complain about known relocation that are not yet supported. */ - if (howto->special_function == mcore_elf_unsupported_reloc) - { - _bfd_error_handler (_("%s: Relocation %s (%d) is not currently supported.\n"), - bfd_get_filename (input_bfd), - howto->name, - (int)r_type); - - bfd_set_error (bfd_error_bad_value); - ret = false; - continue; - } - - if (r_symndx < symtab_hdr->sh_info) - { - sym = local_syms + r_symndx; - sec = local_sections [r_symndx]; - relocation = (sec->output_section->vma - + sec->output_offset - + sym->st_value); - } - else - { - h = sym_hashes [r_symndx - symtab_hdr->sh_info]; - if ( h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (h->root.type == bfd_link_hash_undefweak) - relocation = 0; - else if (info->shared - && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - relocation = 0; - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, true))) - return false; - - ret = false; - continue; - } - } - - switch (r_type) - { - default: - break; - - case R_MCORE_PCRELJSR_IMM11BY2: - oldinst = bfd_get_16 (input_bfd, contents + offset); -#define MCORE_INST_BSR 0xF800 - bfd_put_16 (input_bfd, MCORE_INST_BSR, contents + offset); - break; - } - -#ifdef DEBUG - fprintf (stderr, "\ttype = %s (%d), symbol index = %ld, offset = %ld, addend = %ld\n", - howto->name, r_type, r_symndx, (long) offset, (long) addend); -#endif - - r = _bfd_final_link_relocate - (howto, input_bfd, input_section, contents, offset, relocation, addend); - - if (r != bfd_reloc_ok && r_type == R_MCORE_PCRELJSR_IMM11BY2) - { - /* Wasn't ok, back it out and give up. */ - bfd_put_16 (input_bfd, oldinst, contents + offset); - r = bfd_reloc_ok; - } - - if (r != bfd_reloc_ok) - { - ret = false; - - switch (r) - { - default: - break; - - case bfd_reloc_overflow: - { - const char * name; - - if (h != NULL) - name = h->root.root.string; - else - { - name = bfd_elf_string_from_elf_section - (input_bfd, symtab_hdr->sh_link, sym->st_name); - - if (name == NULL) - break; - - if (* name == '\0') - name = bfd_section_name (input_bfd, sec); - } - - (*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, input_bfd, input_section, - offset); - } - break; - } - } - } - -#ifdef DEBUG - fprintf (stderr, "\n"); -#endif - - return ret; -} - -/* Return the section that should be marked against GC for a given - relocation. */ - -static asection * -mcore_elf_gc_mark_hook (abfd, info, rel, h, sym) - bfd * abfd; - struct bfd_link_info * info ATTRIBUTE_UNUSED; - Elf_Internal_Rela * rel; - struct elf_link_hash_entry * h; - Elf_Internal_Sym * sym; -{ - if (h != NULL) - { - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_MCORE_GNU_VTINHERIT: - case R_MCORE_GNU_VTENTRY: - break; - - default: - switch (h->root.type) - { - case bfd_link_hash_defined: - case bfd_link_hash_defweak: - return h->root.u.def.section; - - case bfd_link_hash_common: - return h->root.u.c.p->section; - - default: - break; - } - } - } - else - { - if (!(elf_bad_symtab (abfd) - && ELF_ST_BIND (sym->st_info) != STB_LOCAL) - && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE) - && sym->st_shndx != SHN_COMMON)) - { - return bfd_section_from_elf_index (abfd, sym->st_shndx); - } - } - - return NULL; -} - -/* Update the got entry reference counts for the section being removed. */ - -static boolean -mcore_elf_gc_sweep_hook (abfd, info, sec, relocs) - bfd * abfd ATTRIBUTE_UNUSED; - struct bfd_link_info * info ATTRIBUTE_UNUSED; - asection * sec ATTRIBUTE_UNUSED; - const Elf_Internal_Rela * relocs ATTRIBUTE_UNUSED; -{ - return true; -} - -/* Look through the relocs for a section during the first phase. - Since we don't do .gots or .plts, we just need to consider the - virtual table relocs for gc. */ - -static boolean -mcore_elf_check_relocs (abfd, info, sec, relocs) - bfd * abfd; - struct bfd_link_info * info; - asection * sec; - const Elf_Internal_Rela * relocs; -{ - Elf_Internal_Shdr * symtab_hdr; - struct elf_link_hash_entry ** sym_hashes; - struct elf_link_hash_entry ** sym_hashes_end; - const Elf_Internal_Rela * rel; - const Elf_Internal_Rela * rel_end; - - if (info->relocateable) - return true; - - symtab_hdr = & elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym); - if (!elf_bad_symtab (abfd)) - sym_hashes_end -= symtab_hdr->sh_info; - - rel_end = relocs + sec->reloc_count; - - for (rel = relocs; rel < rel_end; rel++) - { - struct elf_link_hash_entry * h; - unsigned long r_symndx; - - r_symndx = ELF32_R_SYM (rel->r_info); - - if (r_symndx < symtab_hdr->sh_info) - h = NULL; - else - h = sym_hashes [r_symndx - symtab_hdr->sh_info]; - - switch (ELF32_R_TYPE (rel->r_info)) - { - /* This relocation describes the C++ object vtable hierarchy. - Reconstruct it for later use during GC. */ - case R_MCORE_GNU_VTINHERIT: - if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) - return false; - break; - - /* This relocation describes which C++ vtable entries are actually - used. Record for later use during GC. */ - case R_MCORE_GNU_VTENTRY: - if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) - return false; - break; - } - } - - return true; -} - -#define TARGET_BIG_SYM bfd_elf32_mcore_big_vec -#define TARGET_BIG_NAME "elf32-mcore-big" -#define TARGET_LITTLE_SYM bfd_elf32_mcore_little_vec -#define TARGET_LITTLE_NAME "elf32-mcore-little" - -#define ELF_ARCH bfd_arch_mcore -#define ELF_MACHINE_CODE EM_MCORE -#define ELF_MAXPAGESIZE 0x1000 /* 4k, if we ever have 'em */ -#define elf_info_to_howto mcore_elf_info_to_howto -#define elf_info_to_howto_rel NULL - -#define bfd_elf32_bfd_copy_private_bfd_data mcore_elf_copy_private_bfd_data -#define bfd_elf32_bfd_merge_private_bfd_data mcore_elf_merge_private_bfd_data -#define bfd_elf32_bfd_set_private_flags mcore_elf_set_private_flags -#define bfd_elf32_bfd_reloc_type_lookup mcore_elf_reloc_type_lookup -#define elf_backend_relocate_section mcore_elf_relocate_section -#define elf_backend_gc_mark_hook mcore_elf_gc_mark_hook -#define elf_backend_gc_sweep_hook mcore_elf_gc_sweep_hook -#define elf_backend_check_relocs mcore_elf_check_relocs - -#define elf_backend_can_gc_sections 1 - -#include "elf32-target.h" |