diff options
Diffstat (limited to 'contrib/gdb/bfd/elf32-i386.c')
| -rw-r--r-- | contrib/gdb/bfd/elf32-i386.c | 1546 |
1 files changed, 0 insertions, 1546 deletions
diff --git a/contrib/gdb/bfd/elf32-i386.c b/contrib/gdb/bfd/elf32-i386.c deleted file mode 100644 index 3b39aac..0000000 --- a/contrib/gdb/bfd/elf32-i386.c +++ /dev/null @@ -1,1546 +0,0 @@ -/* Intel 80386/80486-specific support for 32-bit ELF - Copyright 1993, 1994, 1995, 1996 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. */ - -#include "bfd.h" -#include "sysdep.h" -#include "bfdlink.h" -#include "libbfd.h" -#include "elf-bfd.h" - -static reloc_howto_type *elf_i386_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -static void elf_i386_info_to_howto - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); -static void elf_i386_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); -static boolean elf_i386_check_relocs - PARAMS ((bfd *, struct bfd_link_info *, asection *, - const Elf_Internal_Rela *)); -static boolean elf_i386_adjust_dynamic_symbol - PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); -static boolean elf_i386_size_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); -static boolean elf_i386_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); -static boolean elf_i386_finish_dynamic_symbol - PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, - Elf_Internal_Sym *)); -static boolean elf_i386_finish_dynamic_sections - PARAMS ((bfd *, struct bfd_link_info *)); - -#define USE_REL 1 /* 386 uses REL relocations instead of RELA */ - -enum reloc_type - { - R_386_NONE = 0, - R_386_32, - R_386_PC32, - R_386_GOT32, - R_386_PLT32, - R_386_COPY, - R_386_GLOB_DAT, - R_386_JUMP_SLOT, - R_386_RELATIVE, - R_386_GOTOFF, - R_386_GOTPC, - R_386_max - }; - -#if 0 -static CONST char *CONST reloc_type_names[] = -{ - "R_386_NONE", - "R_386_32", - "R_386_PC32", - "R_386_GOT32", - "R_386_PLT32", - "R_386_COPY", - "R_386_GLOB_DAT", - "R_386_JUMP_SLOT", - "R_386_RELATIVE", - "R_386_GOTOFF", - "R_386_GOTPC", -}; -#endif - -static reloc_howto_type elf_howto_table[]= -{ - HOWTO(R_386_NONE, 0,0, 0,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_NONE", true,0x00000000,0x00000000,false), - HOWTO(R_386_32, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_32", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_PC32, 0,2,32,true, 0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PC32", true,0xffffffff,0xffffffff,true), - HOWTO(R_386_GOT32, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOT32", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_PLT32, 0,2,32,true,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_PLT32", true,0xffffffff,0xffffffff,true), - HOWTO(R_386_COPY, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_COPY", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_GLOB_DAT, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GLOB_DAT", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_JUMP_SLOT, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_JUMP_SLOT",true,0xffffffff,0xffffffff,false), - HOWTO(R_386_RELATIVE, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_RELATIVE", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_GOTOFF, 0,2,32,false,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOTOFF", true,0xffffffff,0xffffffff,false), - HOWTO(R_386_GOTPC, 0,2,32,true,0,complain_overflow_bitfield, bfd_elf_generic_reloc,"R_386_GOTPC", true,0xffffffff,0xffffffff,true), -}; - -#ifdef DEBUG_GEN_RELOC -#define TRACE(str) fprintf (stderr, "i386 bfd reloc lookup %d (%s)\n", code, str) -#else -#define TRACE(str) -#endif - -static reloc_howto_type * -elf_i386_reloc_type_lookup (abfd, code) - bfd *abfd; - bfd_reloc_code_real_type code; -{ - switch (code) - { - case BFD_RELOC_NONE: - TRACE ("BFD_RELOC_NONE"); - return &elf_howto_table[ (int)R_386_NONE ]; - - case BFD_RELOC_32: - TRACE ("BFD_RELOC_32"); - return &elf_howto_table[ (int)R_386_32 ]; - - case BFD_RELOC_32_PCREL: - TRACE ("BFD_RELOC_PC32"); - return &elf_howto_table[ (int)R_386_PC32 ]; - - case BFD_RELOC_386_GOT32: - TRACE ("BFD_RELOC_386_GOT32"); - return &elf_howto_table[ (int)R_386_GOT32 ]; - - case BFD_RELOC_386_PLT32: - TRACE ("BFD_RELOC_386_PLT32"); - return &elf_howto_table[ (int)R_386_PLT32 ]; - - case BFD_RELOC_386_COPY: - TRACE ("BFD_RELOC_386_COPY"); - return &elf_howto_table[ (int)R_386_COPY ]; - - case BFD_RELOC_386_GLOB_DAT: - TRACE ("BFD_RELOC_386_GLOB_DAT"); - return &elf_howto_table[ (int)R_386_GLOB_DAT ]; - - case BFD_RELOC_386_JUMP_SLOT: - TRACE ("BFD_RELOC_386_JUMP_SLOT"); - return &elf_howto_table[ (int)R_386_JUMP_SLOT ]; - - case BFD_RELOC_386_RELATIVE: - TRACE ("BFD_RELOC_386_RELATIVE"); - return &elf_howto_table[ (int)R_386_RELATIVE ]; - - case BFD_RELOC_386_GOTOFF: - TRACE ("BFD_RELOC_386_GOTOFF"); - return &elf_howto_table[ (int)R_386_GOTOFF ]; - - case BFD_RELOC_386_GOTPC: - TRACE ("BFD_RELOC_386_GOTPC"); - return &elf_howto_table[ (int)R_386_GOTPC ]; - - default: - break; - } - - TRACE ("Unknown"); - return 0; -} - -static void -elf_i386_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rela *dst; -{ - BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_386_max); - - cache_ptr->howto = &elf_howto_table[ELF32_R_TYPE(dst->r_info)]; -} - -static void -elf_i386_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rel *dst; -{ - BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_386_max); - - cache_ptr->howto = &elf_howto_table[ELF32_R_TYPE(dst->r_info)]; -} - -/* Functions for the i386 ELF linker. */ - -/* The name of the dynamic interpreter. This is put in the .interp - section. */ - -#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" - -/* The size in bytes of an entry in the procedure linkage table. */ - -#define PLT_ENTRY_SIZE 16 - -/* The first entry in an absolute procedure linkage table looks like - this. See the SVR4 ABI i386 supplement to see how this works. */ - -static const bfd_byte elf_i386_plt0_entry[PLT_ENTRY_SIZE] = -{ - 0xff, 0x35, /* pushl contents of address */ - 0, 0, 0, 0, /* replaced with address of .got + 4. */ - 0xff, 0x25, /* jmp indirect */ - 0, 0, 0, 0, /* replaced with address of .got + 8. */ - 0, 0, 0, 0 /* pad out to 16 bytes. */ -}; - -/* Subsequent entries in an absolute procedure linkage table look like - this. */ - -static const bfd_byte elf_i386_plt_entry[PLT_ENTRY_SIZE] = -{ - 0xff, 0x25, /* jmp indirect */ - 0, 0, 0, 0, /* replaced with address of this symbol in .got. */ - 0x68, /* pushl immediate */ - 0, 0, 0, 0, /* replaced with offset into relocation table. */ - 0xe9, /* jmp relative */ - 0, 0, 0, 0 /* replaced with offset to start of .plt. */ -}; - -/* The first entry in a PIC procedure linkage table look like this. */ - -static const bfd_byte elf_i386_pic_plt0_entry[PLT_ENTRY_SIZE] = -{ - 0xff, 0xb3, 4, 0, 0, 0, /* pushl 4(%ebx) */ - 0xff, 0xa3, 8, 0, 0, 0, /* jmp *8(%ebx) */ - 0, 0, 0, 0 /* pad out to 16 bytes. */ -}; - -/* Subsequent entries in a PIC procedure linkage table look like this. */ - -static const bfd_byte elf_i386_pic_plt_entry[PLT_ENTRY_SIZE] = -{ - 0xff, 0xa3, /* jmp *offset(%ebx) */ - 0, 0, 0, 0, /* replaced with offset of this symbol in .got. */ - 0x68, /* pushl immediate */ - 0, 0, 0, 0, /* replaced with offset into relocation table. */ - 0xe9, /* jmp relative */ - 0, 0, 0, 0 /* replaced with offset to start of .plt. */ -}; - -/* Look through the relocs for a section during the first phase, and - allocate space in the global offset table or procedure linkage - table. */ - -static boolean -elf_i386_check_relocs (abfd, info, sec, relocs) - bfd *abfd; - struct bfd_link_info *info; - asection *sec; - const Elf_Internal_Rela *relocs; -{ - bfd *dynobj; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - const Elf_Internal_Rela *rel; - const Elf_Internal_Rela *rel_end; - asection *sgot; - asection *srelgot; - asection *sreloc; - - if (info->relocateable) - return true; - - dynobj = elf_hash_table (info)->dynobj; - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_offsets = elf_local_got_offsets (abfd); - - sgot = NULL; - srelgot = NULL; - sreloc = NULL; - - rel_end = relocs + sec->reloc_count; - for (rel = relocs; rel < rel_end; rel++) - { - unsigned long r_symndx; - struct elf_link_hash_entry *h; - - 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]; - - /* Some relocs require a global offset table. */ - if (dynobj == NULL) - { - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_386_GOT32: - case R_386_GOTOFF: - case R_386_GOTPC: - elf_hash_table (info)->dynobj = dynobj = abfd; - if (! _bfd_elf_create_got_section (dynobj, info)) - return false; - break; - - default: - break; - } - } - - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_386_GOT32: - /* This symbol requires a global offset table entry. */ - - if (sgot == NULL) - { - sgot = bfd_get_section_by_name (dynobj, ".got"); - BFD_ASSERT (sgot != NULL); - } - - if (srelgot == NULL - && (h != NULL || info->shared)) - { - srelgot = bfd_get_section_by_name (dynobj, ".rel.got"); - if (srelgot == NULL) - { - srelgot = bfd_make_section (dynobj, ".rel.got"); - if (srelgot == NULL - || ! bfd_set_section_flags (dynobj, srelgot, - (SEC_ALLOC - | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_READONLY)) - || ! bfd_set_section_alignment (dynobj, srelgot, 2)) - return false; - } - } - - if (h != NULL) - { - if (h->got_offset != (bfd_vma) -1) - { - /* We have already allocated space in the .got. */ - break; - } - h->got_offset = sgot->_raw_size; - - /* Make sure this symbol is output as a dynamic symbol. */ - if (h->dynindx == -1) - { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) - return false; - } - - srelgot->_raw_size += sizeof (Elf32_External_Rel); - } - else - { - /* This is a global offset table entry for a local - symbol. */ - if (local_got_offsets == NULL) - { - size_t size; - register unsigned int i; - - size = symtab_hdr->sh_info * sizeof (bfd_vma); - local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); - if (local_got_offsets == NULL) - return false; - elf_local_got_offsets (abfd) = local_got_offsets; - for (i = 0; i < symtab_hdr->sh_info; i++) - local_got_offsets[i] = (bfd_vma) -1; - } - if (local_got_offsets[r_symndx] != (bfd_vma) -1) - { - /* We have already allocated space in the .got. */ - break; - } - local_got_offsets[r_symndx] = sgot->_raw_size; - - if (info->shared) - { - /* If we are generating a shared object, we need to - output a R_386_RELATIVE reloc so that the dynamic - linker can adjust this GOT entry. */ - srelgot->_raw_size += sizeof (Elf32_External_Rel); - } - } - - sgot->_raw_size += 4; - - break; - - case R_386_PLT32: - /* This symbol requires a procedure linkage table entry. We - actually build the entry in adjust_dynamic_symbol, - because this might be a case of linking PIC code which is - never referenced by a dynamic object, in which case we - don't need to generate a procedure linkage table entry - after all. */ - - /* If this is a local symbol, we resolve it directly without - creating a procedure linkage table entry. */ - if (h == NULL) - continue; - - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; - - break; - - case R_386_32: - case R_386_PC32: - if (info->shared - && (sec->flags & SEC_ALLOC) != 0 - && (ELF32_R_TYPE (rel->r_info) != R_386_PC32 || h != NULL)) - { - /* When creating a shared object, we must copy these - reloc types into the output file. We create a reloc - section in dynobj and make room for this reloc. */ - if (sreloc == NULL) - { - const char *name; - - name = (bfd_elf_string_from_elf_section - (abfd, - elf_elfheader (abfd)->e_shstrndx, - elf_section_data (sec)->rel_hdr.sh_name)); - if (name == NULL) - return false; - - BFD_ASSERT (strncmp (name, ".rel", 4) == 0 - && strcmp (bfd_get_section_name (abfd, sec), - name + 4) == 0); - - sreloc = bfd_get_section_by_name (dynobj, name); - if (sreloc == NULL) - { - sreloc = bfd_make_section (dynobj, name); - if (sreloc == NULL - || ! bfd_set_section_flags (dynobj, sreloc, - (SEC_ALLOC - | SEC_LOAD - | SEC_HAS_CONTENTS - | SEC_IN_MEMORY - | SEC_READONLY)) - || ! bfd_set_section_alignment (dynobj, sreloc, 2)) - return false; - } - } - - sreloc->_raw_size += sizeof (Elf32_External_Rel); - } - - break; - - default: - break; - } - } - - return true; -} - -/* Adjust a symbol defined by a dynamic object and referenced by a - regular object. The current definition is in some section of the - dynamic object, but we're not including those sections. We have to - change the definition to something the rest of the link can - understand. */ - -static boolean -elf_i386_adjust_dynamic_symbol (info, h) - struct bfd_link_info *info; - struct elf_link_hash_entry *h; -{ - bfd *dynobj; - asection *s; - unsigned int power_of_two; - - dynobj = elf_hash_table (info)->dynobj; - - /* Make sure we know what is going on here. */ - BFD_ASSERT (dynobj != NULL - && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) - || h->weakdef != NULL - || ((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_REF_REGULAR) != 0 - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))); - - /* If this is a function, put it in the procedure linkage table. We - will fill in the contents of the procedure linkage table later, - when we know the address of the .got section. */ - if (h->type == STT_FUNC - || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) - { - if (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0) - { - /* This case can occur if we saw a PLT32 reloc in an input - file, but the symbol was never referred to by a dynamic - object. In such a case, we don't actually need to build - a procedure linkage table, and we can just do a PC32 - reloc instead. */ - BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0); - return true; - } - - /* Make sure this symbol is output as a dynamic symbol. */ - if (h->dynindx == -1) - { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) - return false; - } - - s = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (s != NULL); - - /* If this is the first .plt entry, make room for the special - first entry. */ - if (s->_raw_size == 0) - s->_raw_size += PLT_ENTRY_SIZE; - - /* If this symbol is not defined in a regular file, and we are - not generating a shared library, then set the symbol to this - location in the .plt. This is required to make function - pointers compare as equal between the normal executable and - the shared library. */ - if (! info->shared - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - { - h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; - } - - h->plt_offset = s->_raw_size; - - /* Make room for this entry. */ - s->_raw_size += PLT_ENTRY_SIZE; - - /* We also need to make an entry in the .got.plt section, which - will be placed in the .got section by the linker script. */ - - s = bfd_get_section_by_name (dynobj, ".got.plt"); - BFD_ASSERT (s != NULL); - s->_raw_size += 4; - - /* We also need to make an entry in the .rel.plt section. */ - - s = bfd_get_section_by_name (dynobj, ".rel.plt"); - BFD_ASSERT (s != NULL); - s->_raw_size += sizeof (Elf32_External_Rel); - - return true; - } - - /* If this is a weak symbol, and there is a real definition, the - processor independent code will have arranged for us to see the - real definition first, and we can just use the same value. */ - if (h->weakdef != NULL) - { - BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined - || h->weakdef->root.type == bfd_link_hash_defweak); - h->root.u.def.section = h->weakdef->root.u.def.section; - h->root.u.def.value = h->weakdef->root.u.def.value; - return true; - } - - /* This is a reference to a symbol defined by a dynamic object which - is not a function. */ - - /* If we are creating a shared library, we must presume that the - only references to the symbol are via the global offset table. - For such cases we need not do anything here; the relocations will - be handled correctly by relocate_section. */ - if (info->shared) - return true; - - /* We must allocate the symbol in our .dynbss section, which will - become part of the .bss section of the executable. There will be - an entry for this symbol in the .dynsym section. The dynamic - object will contain position independent code, so all references - from the dynamic object to this symbol will go through the global - offset table. The dynamic linker will use the .dynsym entry to - determine the address it must put in the global offset table, so - both the dynamic object and the regular object will refer to the - same memory location for the variable. */ - - s = bfd_get_section_by_name (dynobj, ".dynbss"); - BFD_ASSERT (s != NULL); - - /* If the symbol is currently defined in the .bss section of the - dynamic object, then it is OK to simply initialize it to zero. - If the symbol is in some other section, we must generate a - R_386_COPY reloc to tell the dynamic linker to copy the initial - value out of the dynamic object and into the runtime process - image. We need to remember the offset into the .rel.bss section - we are going to use. */ - if ((h->root.u.def.section->flags & SEC_LOAD) != 0) - { - asection *srel; - - srel = bfd_get_section_by_name (dynobj, ".rel.bss"); - BFD_ASSERT (srel != NULL); - srel->_raw_size += sizeof (Elf32_External_Rel); - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; - } - - /* We need to figure out the alignment required for this symbol. I - have no idea how ELF linkers handle this. */ - power_of_two = bfd_log2 (h->size); - if (power_of_two > 3) - power_of_two = 3; - - /* Apply the required alignment. */ - s->_raw_size = BFD_ALIGN (s->_raw_size, - (bfd_size_type) (1 << power_of_two)); - if (power_of_two > bfd_get_section_alignment (dynobj, s)) - { - if (! bfd_set_section_alignment (dynobj, s, power_of_two)) - return false; - } - - /* Define the symbol as being at this point in the section. */ - h->root.u.def.section = s; - h->root.u.def.value = s->_raw_size; - - /* Increment the section size to make room for the symbol. */ - s->_raw_size += h->size; - - return true; -} - -/* Set the sizes of the dynamic sections. */ - -static boolean -elf_i386_size_dynamic_sections (output_bfd, info) - bfd *output_bfd; - struct bfd_link_info *info; -{ - bfd *dynobj; - asection *s; - boolean plt; - boolean relocs; - boolean reltext; - - dynobj = elf_hash_table (info)->dynobj; - BFD_ASSERT (dynobj != NULL); - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Set the contents of the .interp section to the interpreter. */ - if (! info->shared) - { - s = bfd_get_section_by_name (dynobj, ".interp"); - BFD_ASSERT (s != NULL); - s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; - s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; - } - } - else - { - /* We may have created entries in the .rel.got section. - However, if we are not creating the dynamic sections, we will - not actually use these entries. Reset the size of .rel.got, - which will cause it to get stripped from the output file - below. */ - s = bfd_get_section_by_name (dynobj, ".rel.got"); - if (s != NULL) - s->_raw_size = 0; - } - - /* The check_relocs and adjust_dynamic_symbol entry points have - determined the sizes of the various dynamic sections. Allocate - memory for them. */ - plt = false; - relocs = false; - reltext = false; - for (s = dynobj->sections; s != NULL; s = s->next) - { - const char *name; - boolean strip; - - if ((s->flags & SEC_IN_MEMORY) == 0) - continue; - - /* It's OK to base decisions on the section name, because none - of the dynobj section names depend upon the input files. */ - name = bfd_get_section_name (dynobj, s); - - strip = false; - - if (strcmp (name, ".plt") == 0) - { - if (s->_raw_size == 0) - { - /* Strip this section if we don't need it; see the - comment below. */ - strip = true; - } - else - { - /* Remember whether there is a PLT. */ - plt = true; - } - } - else if (strncmp (name, ".rel", 4) == 0) - { - if (s->_raw_size == 0) - { - /* If we don't need this section, strip it from the - output file. This is mostly to handle .rel.bss and - .rel.plt. We must create both sections in - create_dynamic_sections, because they must be created - before the linker maps input sections to output - sections. The linker does that before - adjust_dynamic_symbol is called, and it is that - function which decides whether anything needs to go - into these sections. */ - strip = true; - } - else - { - asection *target; - - /* Remember whether there are any reloc sections other - than .rel.plt. */ - if (strcmp (name, ".rel.plt") != 0) - { - relocs = true; - - /* If this relocation section applies to a read only - section, then we probably need a DT_TEXTREL - entry. The entries in the .rel.plt section - really apply to the .got section, which we - created ourselves and so know is not readonly. */ - target = bfd_get_section_by_name (output_bfd, name + 4); - if (target != NULL - && (target->flags & SEC_READONLY) != 0) - reltext = true; - } - - /* We use the reloc_count field as a counter if we need - to copy relocs into the output file. */ - s->reloc_count = 0; - } - } - else if (strncmp (name, ".got", 4) != 0) - { - /* It's not one of our sections, so don't allocate space. */ - continue; - } - - if (strip) - { - asection **spp; - - for (spp = &s->output_section->owner->sections; - *spp != s->output_section; - spp = &(*spp)->next) - ; - *spp = s->output_section->next; - --s->output_section->owner->section_count; - - continue; - } - - /* Allocate memory for the section contents. */ - s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size); - if (s->contents == NULL && s->_raw_size != 0) - return false; - } - - if (elf_hash_table (info)->dynamic_sections_created) - { - /* Add some entries to the .dynamic section. We fill in the - values later, in elf_i386_finish_dynamic_sections, but we - must add the entries now so that we get the correct size for - the .dynamic section. The DT_DEBUG entry is filled in by the - dynamic linker and used by the debugger. */ - if (! info->shared) - { - if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0)) - return false; - } - - if (plt) - { - if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0) - || ! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0) - || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_REL) - || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0)) - return false; - } - - if (relocs) - { - if (! bfd_elf32_add_dynamic_entry (info, DT_REL, 0) - || ! bfd_elf32_add_dynamic_entry (info, DT_RELSZ, 0) - || ! bfd_elf32_add_dynamic_entry (info, DT_RELENT, - sizeof (Elf32_External_Rel))) - return false; - } - - if (reltext) - { - if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0)) - return false; - } - } - - return true; -} - -/* Relocate an i386 ELF section. */ - -static boolean -elf_i386_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, local_syms, local_sections) - bfd *output_bfd; - 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; -{ - bfd *dynobj; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - asection *sgot; - asection *splt; - asection *sreloc; - Elf_Internal_Rela *rel; - Elf_Internal_Rela *relend; - - dynobj = elf_hash_table (info)->dynobj; - symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (input_bfd); - local_got_offsets = elf_local_got_offsets (input_bfd); - - sgot = NULL; - splt = NULL; - sreloc = NULL; - - rel = relocs; - relend = relocs + input_section->reloc_count; - for (; rel < relend; rel++) - { - int r_type; - reloc_howto_type *howto; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; - asection *sec; - bfd_vma relocation; - bfd_reloc_status_type r; - - r_type = ELF32_R_TYPE (rel->r_info); - if (r_type < 0 || r_type >= (int) R_386_max) - { - bfd_set_error (bfd_error_bad_value); - return false; - } - howto = elf_howto_table + 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 (ELF_ST_TYPE (sym->st_info) == STT_SECTION) - { - bfd_vma val; - - sec = local_sections[r_symndx]; - val = bfd_get_32 (input_bfd, contents + rel->r_offset); - val += sec->output_offset + sym->st_value; - bfd_put_32 (input_bfd, val, contents + rel->r_offset); - } - } - - continue; - } - - /* This is a final link. */ - h = NULL; - sym = NULL; - sec = NULL; - 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]; - while (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - h = (struct elf_link_hash_entry *) h->root.u.i.link; - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - if (r_type == R_386_GOTPC - || (r_type == R_386_PLT32 - && h->plt_offset != (bfd_vma) -1) - || (r_type == R_386_GOT32 - && elf_hash_table (info)->dynamic_sections_created - && (! info->shared - || ! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) - || (info->shared - && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0) - && (r_type == R_386_32 - || r_type == R_386_PC32) - && (input_section->flags & SEC_ALLOC) != 0)) - { - /* In these cases, we don't need the relocation - value. We check specially because in some - obscure cases sec->output_section will be NULL. */ - relocation = 0; - } - else - 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 && !info->symbolic) - relocation = 0; - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset))) - return false; - relocation = 0; - } - } - - switch (r_type) - { - case R_386_GOT32: - /* Relocation is to the entry for this symbol in the global - offset table. */ - if (sgot == NULL) - { - sgot = bfd_get_section_by_name (dynobj, ".got"); - BFD_ASSERT (sgot != NULL); - } - - if (h != NULL) - { - bfd_vma off; - - off = h->got_offset; - BFD_ASSERT (off != (bfd_vma) -1); - - if (! elf_hash_table (info)->dynamic_sections_created - || (info->shared - && info->symbolic - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) - { - /* This is actually a static link, or it is a - -Bsymbolic link and the symbol is defined - locally. We must initialize this entry in the - global offset table. Since the offset must - always be a multiple of 4, we use the least - significant bit to record whether we have - initialized it already. - - When doing a dynamic link, we create a .rel.got - relocation entry to initialize the value. This - is done in the finish_dynamic_symbol routine. */ - if ((off & 1) != 0) - off &= ~1; - else - { - bfd_put_32 (output_bfd, relocation, - sgot->contents + off); - h->got_offset |= 1; - } - } - - relocation = sgot->output_offset + off; - } - else - { - bfd_vma off; - - BFD_ASSERT (local_got_offsets != NULL - && local_got_offsets[r_symndx] != (bfd_vma) -1); - - off = local_got_offsets[r_symndx]; - - /* The offset must always be a multiple of 4. We use - the least significant bit to record whether we have - already generated the necessary reloc. */ - if ((off & 1) != 0) - off &= ~1; - else - { - bfd_put_32 (output_bfd, relocation, sgot->contents + off); - - if (info->shared) - { - asection *srelgot; - Elf_Internal_Rel outrel; - - srelgot = bfd_get_section_by_name (dynobj, ".rel.got"); - BFD_ASSERT (srelgot != NULL); - - outrel.r_offset = (sgot->output_section->vma - + sgot->output_offset - + off); - outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); - bfd_elf32_swap_reloc_out (output_bfd, &outrel, - (((Elf32_External_Rel *) - srelgot->contents) - + srelgot->reloc_count)); - ++srelgot->reloc_count; - } - - local_got_offsets[r_symndx] |= 1; - } - - relocation = sgot->output_offset + off; - } - - break; - - case R_386_GOTOFF: - /* Relocation is relative to the start of the global offset - table. */ - - if (sgot == NULL) - { - sgot = bfd_get_section_by_name (dynobj, ".got"); - BFD_ASSERT (sgot != NULL); - } - - /* Note that sgot->output_offset is not involved in this - calculation. We always want the start of .got. If we - defined _GLOBAL_OFFSET_TABLE in a different way, as is - permitted by the ABI, we might have to change this - calculation. */ - relocation -= sgot->output_section->vma; - - break; - - case R_386_GOTPC: - /* Use global offset table as symbol value. */ - - if (sgot == NULL) - { - sgot = bfd_get_section_by_name (dynobj, ".got"); - BFD_ASSERT (sgot != NULL); - } - - relocation = sgot->output_section->vma; - - break; - - case R_386_PLT32: - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - - /* Resolve a PLT32 reloc again a local symbol directly, - without using the procedure linkage table. */ - if (h == NULL) - break; - - if (h->plt_offset == (bfd_vma) -1) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } - - if (splt == NULL) - { - splt = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (splt != NULL); - } - - relocation = (splt->output_section->vma - + splt->output_offset - + h->plt_offset); - - break; - - case R_386_32: - case R_386_PC32: - if (info->shared - && (input_section->flags & SEC_ALLOC) != 0 - && (r_type != R_386_PC32 - || (h != NULL - && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) - { - Elf_Internal_Rel outrel; - boolean relocate; - - /* When generating a shared object, these relocations - are copied into the output file to be resolved at run - time. */ - - if (sreloc == NULL) - { - const char *name; - - name = (bfd_elf_string_from_elf_section - (input_bfd, - elf_elfheader (input_bfd)->e_shstrndx, - elf_section_data (input_section)->rel_hdr.sh_name)); - if (name == NULL) - return false; - - BFD_ASSERT (strncmp (name, ".rel", 4) == 0 - && strcmp (bfd_get_section_name (input_bfd, - input_section), - name + 4) == 0); - - sreloc = bfd_get_section_by_name (dynobj, name); - BFD_ASSERT (sreloc != NULL); - } - - outrel.r_offset = (rel->r_offset - + input_section->output_section->vma - + input_section->output_offset); - if (r_type == R_386_PC32) - { - BFD_ASSERT (h != NULL && h->dynindx != -1); - relocate = false; - outrel.r_info = ELF32_R_INFO (h->dynindx, R_386_PC32); - } - else - { - if (h == NULL - || (info->symbolic - && (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) != 0)) - { - relocate = true; - outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); - } - else - { - BFD_ASSERT (h->dynindx != -1); - relocate = false; - outrel.r_info = ELF32_R_INFO (h->dynindx, R_386_32); - } - } - - bfd_elf32_swap_reloc_out (output_bfd, &outrel, - (((Elf32_External_Rel *) - sreloc->contents) - + sreloc->reloc_count)); - ++sreloc->reloc_count; - - /* If this reloc is against an external symbol, we do - not want to fiddle with the addend. Otherwise, we - need to include the symbol value so that it becomes - an addend for the dynamic reloc. */ - if (! relocate) - continue; - } - - break; - - default: - break; - } - - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, (bfd_vma) 0); - - if (r != bfd_reloc_ok) - { - switch (r) - { - default: - case bfd_reloc_outofrange: - abort (); - 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) - return false; - if (*name == '\0') - name = bfd_section_name (input_bfd, sec); - } - if (! ((*info->callbacks->reloc_overflow) - (info, name, howto->name, (bfd_vma) 0, - input_bfd, input_section, rel->r_offset))) - return false; - } - break; - } - } - } - - return true; -} - -/* Finish up dynamic symbol handling. We set the contents of various - dynamic sections here. */ - -static boolean -elf_i386_finish_dynamic_symbol (output_bfd, info, h, sym) - bfd *output_bfd; - struct bfd_link_info *info; - struct elf_link_hash_entry *h; - Elf_Internal_Sym *sym; -{ - bfd *dynobj; - - dynobj = elf_hash_table (info)->dynobj; - - if (h->plt_offset != (bfd_vma) -1) - { - asection *splt; - asection *sgot; - asection *srel; - bfd_vma plt_index; - bfd_vma got_offset; - Elf_Internal_Rel rel; - - /* This symbol has an entry in the procedure linkage table. Set - it up. */ - - BFD_ASSERT (h->dynindx != -1); - - splt = bfd_get_section_by_name (dynobj, ".plt"); - sgot = bfd_get_section_by_name (dynobj, ".got.plt"); - srel = bfd_get_section_by_name (dynobj, ".rel.plt"); - BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); - - /* Get the index in the procedure linkage table which - corresponds to this symbol. This is the index of this symbol - in all the symbols for which we are making plt entries. The - first entry in the procedure linkage table is reserved. */ - plt_index = h->plt_offset / PLT_ENTRY_SIZE - 1; - - /* Get the offset into the .got table of the entry that - corresponds to this function. Each .got entry is 4 bytes. - The first three are reserved. */ - got_offset = (plt_index + 3) * 4; - - /* Fill in the entry in the procedure linkage table. */ - if (! info->shared) - { - memcpy (splt->contents + h->plt_offset, elf_i386_plt_entry, - PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, - (sgot->output_section->vma - + sgot->output_offset - + got_offset), - splt->contents + h->plt_offset + 2); - } - else - { - memcpy (splt->contents + h->plt_offset, elf_i386_pic_plt_entry, - PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, got_offset, - splt->contents + h->plt_offset + 2); - } - - bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel), - splt->contents + h->plt_offset + 7); - bfd_put_32 (output_bfd, - (h->plt_offset + PLT_ENTRY_SIZE), - splt->contents + h->plt_offset + 12); - - /* Fill in the entry in the global offset table. */ - bfd_put_32 (output_bfd, - (splt->output_section->vma - + splt->output_offset - + h->plt_offset - + 6), - sgot->contents + got_offset); - - /* Fill in the entry in the .rel.plt section. */ - rel.r_offset = (sgot->output_section->vma - + sgot->output_offset - + got_offset); - rel.r_info = ELF32_R_INFO (h->dynindx, R_386_JUMP_SLOT); - bfd_elf32_swap_reloc_out (output_bfd, &rel, - ((Elf32_External_Rel *) srel->contents - + plt_index)); - - if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) - { - /* Mark the symbol as undefined, rather than as defined in - the .plt section. Leave the value alone. */ - sym->st_shndx = SHN_UNDEF; - } - } - - if (h->got_offset != (bfd_vma) -1) - { - asection *sgot; - asection *srel; - Elf_Internal_Rel rel; - - /* This symbol has an entry in the global offset table. Set it - up. */ - - BFD_ASSERT (h->dynindx != -1); - - sgot = bfd_get_section_by_name (dynobj, ".got"); - srel = bfd_get_section_by_name (dynobj, ".rel.got"); - BFD_ASSERT (sgot != NULL && srel != NULL); - - rel.r_offset = (sgot->output_section->vma - + sgot->output_offset - + (h->got_offset &~ 1)); - - /* If this is a -Bsymbolic link, and the symbol is defined - locally, we just want to emit a RELATIVE reloc. The entry in - the global offset table will already have been initialized in - the relocate_section function. */ - if (info->shared - && info->symbolic - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) - rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); - else - { - bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got_offset); - rel.r_info = ELF32_R_INFO (h->dynindx, R_386_GLOB_DAT); - } - - bfd_elf32_swap_reloc_out (output_bfd, &rel, - ((Elf32_External_Rel *) srel->contents - + srel->reloc_count)); - ++srel->reloc_count; - } - - if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) - { - asection *s; - Elf_Internal_Rel rel; - - /* This symbol needs a copy reloc. Set it up. */ - - BFD_ASSERT (h->dynindx != -1 - && (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak)); - - s = bfd_get_section_by_name (h->root.u.def.section->owner, - ".rel.bss"); - BFD_ASSERT (s != NULL); - - rel.r_offset = (h->root.u.def.value - + h->root.u.def.section->output_section->vma - + h->root.u.def.section->output_offset); - rel.r_info = ELF32_R_INFO (h->dynindx, R_386_COPY); - bfd_elf32_swap_reloc_out (output_bfd, &rel, - ((Elf32_External_Rel *) s->contents - + s->reloc_count)); - ++s->reloc_count; - } - - /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ - if (strcmp (h->root.root.string, "_DYNAMIC") == 0 - || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) - sym->st_shndx = SHN_ABS; - - return true; -} - -/* Finish up the dynamic sections. */ - -static boolean -elf_i386_finish_dynamic_sections (output_bfd, info) - bfd *output_bfd; - struct bfd_link_info *info; -{ - bfd *dynobj; - asection *sgot; - asection *sdyn; - - dynobj = elf_hash_table (info)->dynobj; - - sgot = bfd_get_section_by_name (dynobj, ".got.plt"); - BFD_ASSERT (sgot != NULL); - sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); - - if (elf_hash_table (info)->dynamic_sections_created) - { - asection *splt; - Elf32_External_Dyn *dyncon, *dynconend; - - splt = bfd_get_section_by_name (dynobj, ".plt"); - BFD_ASSERT (splt != NULL && sdyn != NULL); - - dyncon = (Elf32_External_Dyn *) sdyn->contents; - dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); - for (; dyncon < dynconend; dyncon++) - { - Elf_Internal_Dyn dyn; - const char *name; - asection *s; - - bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); - - switch (dyn.d_tag) - { - default: - break; - - case DT_PLTGOT: - name = ".got"; - goto get_vma; - case DT_JMPREL: - name = ".rel.plt"; - get_vma: - s = bfd_get_section_by_name (output_bfd, name); - BFD_ASSERT (s != NULL); - dyn.d_un.d_ptr = s->vma; - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - - case DT_PLTRELSZ: - s = bfd_get_section_by_name (output_bfd, ".rel.plt"); - BFD_ASSERT (s != NULL); - if (s->_cooked_size != 0) - dyn.d_un.d_val = s->_cooked_size; - else - dyn.d_un.d_val = s->_raw_size; - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - - case DT_RELSZ: - /* My reading of the SVR4 ABI indicates that the - procedure linkage table relocs (DT_JMPREL) should be - included in the overall relocs (DT_REL). This is - what Solaris does. However, UnixWare can not handle - that case. Therefore, we override the DT_RELSZ entry - here to make it not include the JMPREL relocs. Since - the linker script arranges for .rel.plt to follow all - other relocation sections, we don't have to worry - about changing the DT_REL entry. */ - s = bfd_get_section_by_name (output_bfd, ".rel.plt"); - if (s != NULL) - { - if (s->_cooked_size != 0) - dyn.d_un.d_val -= s->_cooked_size; - else - dyn.d_un.d_val -= s->_raw_size; - } - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - } - } - - /* Fill in the first entry in the procedure linkage table. */ - if (splt->_raw_size > 0) - { - if (info->shared) - memcpy (splt->contents, elf_i386_pic_plt0_entry, PLT_ENTRY_SIZE); - else - { - memcpy (splt->contents, elf_i386_plt0_entry, PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, - sgot->output_section->vma + sgot->output_offset + 4, - splt->contents + 2); - bfd_put_32 (output_bfd, - sgot->output_section->vma + sgot->output_offset + 8, - splt->contents + 8); - } - } - - /* UnixWare sets the entsize of .plt to 4, although that doesn't - really seem like the right value. */ - elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; - } - - /* Fill in the first three entries in the global offset table. */ - if (sgot->_raw_size > 0) - { - if (sdyn == NULL) - bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); - else - bfd_put_32 (output_bfd, - sdyn->output_section->vma + sdyn->output_offset, - sgot->contents); - bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); - bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); - } - - elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; - - return true; -} - -#define TARGET_LITTLE_SYM bfd_elf32_i386_vec -#define TARGET_LITTLE_NAME "elf32-i386" -#define ELF_ARCH bfd_arch_i386 -#define ELF_MACHINE_CODE EM_386 -#define elf_info_to_howto elf_i386_info_to_howto -#define elf_info_to_howto_rel elf_i386_info_to_howto_rel -#define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup -#define ELF_MAXPAGESIZE 0x1000 -#define elf_backend_create_dynamic_sections \ - _bfd_elf_create_dynamic_sections -#define elf_backend_check_relocs elf_i386_check_relocs -#define elf_backend_adjust_dynamic_symbol \ - elf_i386_adjust_dynamic_symbol -#define elf_backend_size_dynamic_sections \ - elf_i386_size_dynamic_sections -#define elf_backend_relocate_section elf_i386_relocate_section -#define elf_backend_finish_dynamic_symbol \ - elf_i386_finish_dynamic_symbol -#define elf_backend_finish_dynamic_sections \ - elf_i386_finish_dynamic_sections -#define elf_backend_want_got_plt 1 -#define elf_backend_plt_readonly 1 -#define elf_backend_want_plt_sym 0 - -#include "elf32-target.h" |
