diff options
Diffstat (limited to 'bfd/elf32-i386.c')
| -rw-r--r-- | bfd/elf32-i386.c | 2241 |
1 files changed, 0 insertions, 2241 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c deleted file mode 100644 index e76e75b0131..00000000000 --- a/bfd/elf32-i386.c +++ /dev/null @@ -1,2241 +0,0 @@ -/* Intel 80386/80486-specific support for 32-bit ELF - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 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. */ - -#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_is_local_label_name PARAMS ((bfd *, const char *)); -static struct bfd_hash_entry *elf_i386_link_hash_newfunc - PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); -static struct bfd_link_hash_table *elf_i386_link_hash_table_create - PARAMS ((bfd *)); -static boolean create_got_section PARAMS((bfd *, struct bfd_link_info *)); -static boolean elf_i386_create_dynamic_sections - PARAMS((bfd *, struct bfd_link_info *)); -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 allocate_plt_and_got_and_discard_relocs - PARAMS ((struct elf_link_hash_entry *, PTR)); -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 */ - -#include "elf/i386.h" - -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), - - /* We have a gap in the reloc numbers here. - R_386_standard counts the number up to this point, and - R_386_ext_offset is the value to subtract from a reloc type of - R_386_16 thru R_386_PC8 to form an index into this table. */ -#define R_386_standard ((unsigned int) R_386_GOTPC + 1) -#define R_386_ext_offset ((unsigned int) R_386_16 - R_386_standard) - - /* The remaining relocs are a GNU extension. */ - HOWTO(R_386_16, 0, 1, 16, false, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_386_16", - true, 0xffff, 0xffff, false), - HOWTO(R_386_PC16, 0, 1, 16, true, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_386_PC16", - true, 0xffff, 0xffff, true), - HOWTO(R_386_8, 0, 0, 8, false, 0, complain_overflow_bitfield, - bfd_elf_generic_reloc, "R_386_8", - true, 0xff, 0xff, false), - HOWTO(R_386_PC8, 0, 0, 8, true, 0, complain_overflow_signed, - bfd_elf_generic_reloc, "R_386_PC8", - true, 0xff, 0xff, true), - - /* Another gap. */ -#define R_386_ext ((unsigned int) R_386_PC8 + 1 - R_386_ext_offset) -#define R_386_vt_offset ((unsigned int) R_386_GNU_VTINHERIT - R_386_ext) - -/* GNU extension to record C++ vtable hierarchy. */ - HOWTO (R_386_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_386_GNU_VTINHERIT", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false), - -/* GNU extension to record C++ vtable member usage. */ - HOWTO (R_386_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_386_GNU_VTENTRY", /* name */ - false, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - false) - -#define R_386_vt ((unsigned int) R_386_GNU_VTENTRY + 1 - R_386_vt_offset) - -}; - -#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 ATTRIBUTE_UNUSED; - bfd_reloc_code_real_type code; -{ - switch (code) - { - case BFD_RELOC_NONE: - TRACE ("BFD_RELOC_NONE"); - return &elf_howto_table[(unsigned int) R_386_NONE ]; - - case BFD_RELOC_32: - TRACE ("BFD_RELOC_32"); - return &elf_howto_table[(unsigned int) R_386_32 ]; - - case BFD_RELOC_CTOR: - TRACE ("BFD_RELOC_CTOR"); - return &elf_howto_table[(unsigned int) R_386_32 ]; - - case BFD_RELOC_32_PCREL: - TRACE ("BFD_RELOC_PC32"); - return &elf_howto_table[(unsigned int) R_386_PC32 ]; - - case BFD_RELOC_386_GOT32: - TRACE ("BFD_RELOC_386_GOT32"); - return &elf_howto_table[(unsigned int) R_386_GOT32 ]; - - case BFD_RELOC_386_PLT32: - TRACE ("BFD_RELOC_386_PLT32"); - return &elf_howto_table[(unsigned int) R_386_PLT32 ]; - - case BFD_RELOC_386_COPY: - TRACE ("BFD_RELOC_386_COPY"); - return &elf_howto_table[(unsigned int) R_386_COPY ]; - - case BFD_RELOC_386_GLOB_DAT: - TRACE ("BFD_RELOC_386_GLOB_DAT"); - return &elf_howto_table[(unsigned int) R_386_GLOB_DAT ]; - - case BFD_RELOC_386_JUMP_SLOT: - TRACE ("BFD_RELOC_386_JUMP_SLOT"); - return &elf_howto_table[(unsigned int) R_386_JUMP_SLOT ]; - - case BFD_RELOC_386_RELATIVE: - TRACE ("BFD_RELOC_386_RELATIVE"); - return &elf_howto_table[(unsigned int) R_386_RELATIVE ]; - - case BFD_RELOC_386_GOTOFF: - TRACE ("BFD_RELOC_386_GOTOFF"); - return &elf_howto_table[(unsigned int) R_386_GOTOFF ]; - - case BFD_RELOC_386_GOTPC: - TRACE ("BFD_RELOC_386_GOTPC"); - return &elf_howto_table[(unsigned int) R_386_GOTPC ]; - - /* The remaining relocs are a GNU extension. */ - case BFD_RELOC_16: - TRACE ("BFD_RELOC_16"); - return &elf_howto_table[(unsigned int) R_386_16 - R_386_ext_offset]; - - case BFD_RELOC_16_PCREL: - TRACE ("BFD_RELOC_16_PCREL"); - return &elf_howto_table[(unsigned int) R_386_PC16 - R_386_ext_offset]; - - case BFD_RELOC_8: - TRACE ("BFD_RELOC_8"); - return &elf_howto_table[(unsigned int) R_386_8 - R_386_ext_offset]; - - case BFD_RELOC_8_PCREL: - TRACE ("BFD_RELOC_8_PCREL"); - return &elf_howto_table[(unsigned int) R_386_PC8 - R_386_ext_offset]; - - case BFD_RELOC_VTABLE_INHERIT: - TRACE ("BFD_RELOC_VTABLE_INHERIT"); - return &elf_howto_table[(unsigned int) R_386_GNU_VTINHERIT - - R_386_vt_offset]; - - case BFD_RELOC_VTABLE_ENTRY: - TRACE ("BFD_RELOC_VTABLE_ENTRY"); - return &elf_howto_table[(unsigned int) R_386_GNU_VTENTRY - - R_386_vt_offset]; - - default: - break; - } - - TRACE ("Unknown"); - return 0; -} - -static void -elf_i386_info_to_howto (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr ATTRIBUTE_UNUSED; - Elf32_Internal_Rela *dst ATTRIBUTE_UNUSED; -{ - abort (); -} - -static void -elf_i386_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *cache_ptr; - Elf32_Internal_Rel *dst; -{ - unsigned int r_type = ELF32_R_TYPE (dst->r_info); - unsigned int indx; - - if ((indx = r_type) >= R_386_standard - && ((indx = r_type - R_386_ext_offset) - R_386_standard - >= R_386_ext - R_386_standard) - && ((indx = r_type - R_386_vt_offset) - R_386_ext - >= R_386_vt - R_386_ext)) - { - (*_bfd_error_handler) (_("%s: invalid relocation type %d"), - bfd_get_filename (abfd), (int) r_type); - indx = (unsigned int) R_386_NONE; - } - cache_ptr->howto = &elf_howto_table[indx]; -} - -/* Return whether a symbol name implies a local label. The UnixWare - 2.1 cc generates temporary symbols that start with .X, so we - recognize them here. FIXME: do other SVR4 compilers also use .X?. - If so, we should move the .X recognition into - _bfd_elf_is_local_label_name. */ - -static boolean -elf_i386_is_local_label_name (abfd, name) - bfd *abfd; - const char *name; -{ - if (name[0] == '.' && name[1] == 'X') - return true; - - return _bfd_elf_is_local_label_name (abfd, name); -} - -/* 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. */ -}; - -/* The i386 linker needs to keep track of the number of relocs that it - decides to copy as dynamic relocs in check_relocs for each symbol. - This is so that it can later discard them if they are found to be - unnecessary. We store the information in a field extending the - regular ELF linker hash table. */ - -struct elf_i386_dyn_relocs -{ - /* Next section. */ - struct elf_i386_dyn_relocs *next; - /* A section in dynobj. */ - asection *section; - /* Number of relocs copied in this section. */ - bfd_size_type count; -}; - -/* i386 ELF linker hash entry. */ - -struct elf_i386_link_hash_entry -{ - struct elf_link_hash_entry root; - - /* Number of PC relative relocs copied for this symbol. */ - struct elf_i386_dyn_relocs *dyn_relocs; -}; - -/* i386 ELF linker hash table. */ - -struct elf_i386_link_hash_table -{ - struct elf_link_hash_table root; - - /* Short-cuts to get to dynamic linker sections. */ - asection *sgot; - asection *sgotplt; - asection *srelgot; - asection *splt; - asection *srelplt; - asection *sdynbss; - asection *srelbss; -}; - -/* Get the i386 ELF linker hash table from a link_info structure. */ - -#define elf_i386_hash_table(p) \ - ((struct elf_i386_link_hash_table *) ((p)->hash)) - -/* Create an entry in an i386 ELF linker hash table. */ - -static struct bfd_hash_entry * -elf_i386_link_hash_newfunc (entry, table, string) - struct bfd_hash_entry *entry; - struct bfd_hash_table *table; - const char *string; -{ - struct elf_i386_link_hash_entry *ret = - (struct elf_i386_link_hash_entry *) entry; - - /* Allocate the structure if it has not already been allocated by a - subclass. */ - if (ret == (struct elf_i386_link_hash_entry *) NULL) - ret = ((struct elf_i386_link_hash_entry *) - bfd_hash_allocate (table, - sizeof (struct elf_i386_link_hash_entry))); - if (ret == (struct elf_i386_link_hash_entry *) NULL) - return (struct bfd_hash_entry *) ret; - - /* Call the allocation method of the superclass. */ - ret = ((struct elf_i386_link_hash_entry *) - _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, - table, string)); - if (ret != (struct elf_i386_link_hash_entry *) NULL) - { - ret->dyn_relocs = NULL; - } - - return (struct bfd_hash_entry *) ret; -} - -/* Create an i386 ELF linker hash table. */ - -static struct bfd_link_hash_table * -elf_i386_link_hash_table_create (abfd) - bfd *abfd; -{ - struct elf_i386_link_hash_table *ret; - - ret = ((struct elf_i386_link_hash_table *) - bfd_alloc (abfd, sizeof (struct elf_i386_link_hash_table))); - if (ret == (struct elf_i386_link_hash_table *) NULL) - return NULL; - - if (! _bfd_elf_link_hash_table_init (&ret->root, abfd, - elf_i386_link_hash_newfunc)) - { - bfd_release (abfd, ret); - return NULL; - } - - ret->sgot = NULL; - ret->sgotplt = NULL; - ret->srelgot = NULL; - ret->splt = NULL; - ret->srelplt = NULL; - ret->sdynbss = NULL; - ret->srelbss = NULL; - - return &ret->root.root; -} - -/* Create .got, .gotplt, and .rel.got sections in DYNOBJ, and set up - shortcuts to them in our hash table. */ - -static boolean -create_got_section (dynobj, info) - bfd *dynobj; - struct bfd_link_info *info; -{ - struct elf_i386_link_hash_table *htab; - - if (! _bfd_elf_create_got_section (dynobj, info)) - return false; - - htab = elf_i386_hash_table (info); - htab->sgot = bfd_get_section_by_name (dynobj, ".got"); - htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); - if (!htab->sgot || !htab->sgotplt) - abort (); - - htab->srelgot = bfd_make_section (dynobj, ".rel.got"); - if (htab->srelgot == NULL - || ! bfd_set_section_flags (dynobj, htab->srelgot, - (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS - | SEC_IN_MEMORY | SEC_LINKER_CREATED - | SEC_READONLY)) - || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) - return false; - return true; -} - -/* Create .plt, .rel.plt, .got, .got.plt, .rel.got, .dynbss, and - .rel.bss sections in DYNOBJ, and set up shortcuts to them in our - hash table. */ - -static boolean -elf_i386_create_dynamic_sections (dynobj, info) - bfd *dynobj; - struct bfd_link_info *info; -{ - struct elf_i386_link_hash_table *htab; - - htab = elf_i386_hash_table (info); - if (!htab->sgot && !create_got_section (dynobj, info)) - return false; - - if (!_bfd_elf_create_dynamic_sections (dynobj, info)) - return false; - - htab->splt = bfd_get_section_by_name (dynobj, ".plt"); - htab->srelplt = bfd_get_section_by_name (dynobj, ".rel.plt"); - htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); - if (!info->shared) - htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss"); - - if (!htab->splt || !htab->srelplt || !htab->sdynbss - || (!info->shared && !htab->srelbss)) - abort (); - - return true; -} - -/* 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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_signed_vma *local_got_refcounts; - const Elf_Internal_Rela *rel; - const Elf_Internal_Rela *rel_end; - asection *sreloc; - - if (info->relocateable) - return true; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.dynobj; - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_refcounts = elf_local_got_refcounts (abfd); - - 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 >= NUM_SHDR_ENTRIES (symtab_hdr)) - { - if (abfd->my_archive) - (*_bfd_error_handler) (_("%s(%s): bad symbol index: %d"), - bfd_get_filename (abfd->my_archive), - bfd_get_filename (abfd), - r_symndx); - else - (*_bfd_error_handler) (_("%s: bad symbol index: %d"), - bfd_get_filename (abfd), - r_symndx); - return false; - } - - 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 (htab->sgot == NULL) - { - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_386_GOT32: - case R_386_GOTOFF: - case R_386_GOTPC: - if (dynobj == NULL) - htab->root.dynobj = dynobj = abfd; - if (!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 (h != NULL) - { - if (h->got.refcount == -1) - h->got.refcount = 1; - else - h->got.refcount += 1; - } - else - { - /* This is a global offset table entry for a local symbol. */ - if (local_got_refcounts == NULL) - { - size_t size; - - size = symtab_hdr->sh_info * sizeof (bfd_signed_vma); - local_got_refcounts = ((bfd_signed_vma *) - bfd_alloc (abfd, size)); - if (local_got_refcounts == NULL) - return false; - elf_local_got_refcounts (abfd) = local_got_refcounts; - memset (local_got_refcounts, -1, size); - } - if (local_got_refcounts[r_symndx] == -1) - local_got_refcounts[r_symndx] = 1; - else - local_got_refcounts[r_symndx] += 1; - } - 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; - - if (h->plt.refcount == -1) - { - h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; - h->plt.refcount = 1; - } - else - h->plt.refcount += 1; - break; - - case R_386_32: - case R_386_PC32: - if (h != NULL && !info->shared) - { - /* If this reloc is in a read-only section, we might - need a copy reloc. */ - if ((sec->flags & SEC_READONLY) != 0) - h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; - - /* We may need a .plt entry if the function this reloc - refers to is in a shared lib. */ - if (h->plt.refcount == -1) - h->plt.refcount = 1; - else - h->plt.refcount += 1; - } - - /* If we are creating a shared library, and this is a reloc - against a global symbol, or a non PC relative reloc - against a local symbol, then we need to copy the reloc - into the shared library. However, if we are linking with - -Bsymbolic, we do not need to copy a reloc against a - global symbol which is defined in an object we are - including in the link (i.e., DEF_REGULAR is set). At - this point we have not seen all the input files, so it is - possible that DEF_REGULAR is not set now but will be set - later (it is never cleared). In case of a weak definition, - DEF_REGULAR may be cleared later by a strong definition in - a shared library. We account for that possibility below by - storing information in the relocs_copied field of the hash - table entry. A similar situation occurs when creating - shared libraries and symbol visibility changes render the - symbol local. - If on the other hand, we are creating an executable, we - may need to keep relocations for symbols satisfied by a - dynamic library if we manage to avoid copy relocs for the - symbol. */ - if ((info->shared - && (sec->flags & SEC_ALLOC) != 0 - && (ELF32_R_TYPE (rel->r_info) != R_386_PC32 - || (h != NULL - && (! info->symbolic - || h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) - || (!info->shared - && (sec->flags & SEC_ALLOC) != 0 - && h != NULL - && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && (h->root.type == bfd_link_hash_defweak - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0))) - { - /* We must copy these reloc types into the output file. - Create a reloc section in dynobj and make room for - this reloc. */ - if (dynobj == NULL) - htab->root.dynobj = dynobj = abfd; - - 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; - - if (strncmp (name, ".rel", 4) != 0 - || strcmp (bfd_get_section_name (abfd, sec), - name + 4) != 0) - { - if (abfd->my_archive) - (*_bfd_error_handler) (_("%s(%s): bad relocation section name `%s\'"), - bfd_get_filename (abfd->my_archive), - bfd_get_filename (abfd), - name); - else - (*_bfd_error_handler) (_("%s: bad relocation section name `%s\'"), - bfd_get_filename (abfd), - name); - } - - sreloc = bfd_get_section_by_name (dynobj, name); - if (sreloc == NULL) - { - flagword flags; - - sreloc = bfd_make_section (dynobj, name); - flags = (SEC_HAS_CONTENTS | SEC_READONLY - | SEC_IN_MEMORY | SEC_LINKER_CREATED); - if ((sec->flags & SEC_ALLOC) != 0) - flags |= SEC_ALLOC | SEC_LOAD; - if (sreloc == NULL - || ! bfd_set_section_flags (dynobj, sreloc, flags) - || ! bfd_set_section_alignment (dynobj, sreloc, 2)) - return false; - } - } - - sreloc->_raw_size += sizeof (Elf32_External_Rel); - - /* If this is a global symbol, we count the number of PC - relative relocations we have entered for this symbol, - so that we can discard them later as necessary. Note - that this function is only called if we are using an - elf_i386 linker hash table, which means that h is - really a pointer to an elf_i386_link_hash_entry. */ - if (!info->shared - || (h != NULL - && ELF32_R_TYPE (rel->r_info) == R_386_PC32)) - { - struct elf_i386_link_hash_entry *eh; - struct elf_i386_dyn_relocs *p; - - eh = (struct elf_i386_link_hash_entry *) h; - - for (p = eh->dyn_relocs; p != NULL; p = p->next) - if (p->section == sreloc) - break; - - if (p == NULL) - { - p = ((struct elf_i386_dyn_relocs *) - bfd_alloc (dynobj, sizeof *p)); - if (p == NULL) - return false; - p->next = eh->dyn_relocs; - eh->dyn_relocs = p; - p->section = sreloc; - p->count = 0; - } - - ++p->count; - } - } - - break; - - /* This relocation describes the C++ object vtable hierarchy. - Reconstruct it for later use during GC. */ - case R_386_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_386_GNU_VTENTRY: - if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_offset)) - return false; - break; - - default: - break; - } - } - - return true; -} - -/* Return the section that should be marked against GC for a given - relocation. */ - -static asection * -elf_i386_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_386_GNU_VTINHERIT: - case R_386_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 -elf_i386_gc_sweep_hook (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; - bfd_signed_vma *local_got_refcounts; - const Elf_Internal_Rela *rel, *relend; - unsigned long r_symndx; - struct elf_link_hash_entry *h; - bfd *dynobj; - - dynobj = elf_hash_table (info)->dynobj; - if (dynobj == NULL) - return true; - - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - sym_hashes = elf_sym_hashes (abfd); - local_got_refcounts = elf_local_got_refcounts (abfd); - - relend = relocs + sec->reloc_count; - for (rel = relocs; rel < relend; rel++) - switch (ELF32_R_TYPE (rel->r_info)) - { - case R_386_GOT32: - case R_386_GOTOFF: - case R_386_GOTPC: - r_symndx = ELF32_R_SYM (rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - if (h->got.refcount > 0) - h->got.refcount -= 1; - } - else if (local_got_refcounts != NULL) - { - if (local_got_refcounts[r_symndx] > 0) - local_got_refcounts[r_symndx] -= 1; - } - break; - - case R_386_32: - case R_386_PC32: - if (info->shared) - break; - /* Fall through. */ - - case R_386_PLT32: - r_symndx = ELF32_R_SYM (rel->r_info); - if (r_symndx >= symtab_hdr->sh_info) - { - h = sym_hashes[r_symndx - symtab_hdr->sh_info]; - if (h->plt.refcount > 0) - h->plt.refcount -= 1; - } - 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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - asection *s; - unsigned int power_of_two; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.dynobj; - - /* 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 (h->plt.refcount <= 0 - || (! 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, or if all references were garbage collected. In - such a case, we don't actually need to build a procedure - linkage table, and we can just do a PC32 reloc instead. */ - h->plt.refcount = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; - } - - return true; - } - else - /* It's possible that we incorrectly decided a .plt reloc was - needed for an R_386_PC32 reloc to a non-function sym in - check_relocs. We can't decide accurately between function and - non-function syms in check-relocs; Objects loaded later in - the link may change h->type. So fix it now. */ - h->plt.refcount = (bfd_vma) -1; - - /* 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; - - /* If there are no references to this symbol that do not use the - GOT, we don't need to generate a copy reloc. */ - if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) - 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 = htab->sdynbss; - if (s == NULL) - abort (); - - /* 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_ALLOC) != 0) - { - asection *srel; - - srel = htab->srelbss; - if (srel == NULL) - abort (); - 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; -} - -/* This is the condition under which elf_i386_finish_dynamic_symbol - will be called from elflink.h. If elflink.h doesn't call our - finish_dynamic_symbol routine, we'll need to do something about - initializing any .plt and .got entries in elf_i386_relocate_section. */ -#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \ - ((DYN) \ - && ((INFO)->shared \ - || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \ - && ((H)->dynindx != -1 \ - || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)) - -/* Allocate space in .plt, .got and associated reloc sections for - global syms. Also discards space allocated for relocs in the - check_relocs function that we subsequently have found to be - unneeded. */ - -static boolean -allocate_plt_and_got_and_discard_relocs (h, inf) - struct elf_link_hash_entry *h; - PTR inf; -{ - struct bfd_link_info *info; - struct elf_i386_link_hash_table *htab; - asection *s; - struct elf_i386_link_hash_entry *eh; - - if (h->root.type == bfd_link_hash_indirect - || h->root.type == bfd_link_hash_warning) - return true; - - info = (struct bfd_link_info *) inf; - htab = elf_i386_hash_table (info); - - if (htab->root.dynamic_sections_created - && h->plt.refcount > 0) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) - return false; - } - - s = htab->splt; - if (s == NULL) - abort (); - - /* 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; - - h->plt.offset = s->_raw_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 = h->plt.offset; - } - - /* 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 = htab->sgotplt; - if (s == NULL) - abort (); - s->_raw_size += 4; - - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h)) - { - /* We also need to make an entry in the .rel.plt section. */ - s = htab->srelplt; - if (s == NULL) - abort (); - s->_raw_size += sizeof (Elf32_External_Rel); - } - } - else - { - h->plt.offset = (bfd_vma) -1; - h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; - } - - if (h->got.refcount > 0) - { - boolean dyn; - - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) - return false; - } - - s = htab->sgot; - h->got.offset = s->_raw_size; - s->_raw_size += 4; - dyn = htab->root.dynamic_sections_created; - if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)) - htab->srelgot->_raw_size += sizeof (Elf32_External_Rel); - } - else - h->got.offset = (bfd_vma) -1; - - /* In the shared -Bsymbolic case, discard space allocated for - dynamic relocs against symbols which turn out to be defined - in regular objects. For the normal shared case, discard space - for relocs that have become local due to symbol visibility - changes. For the non-shared case, discard space for symbols - which turn out to need copy relocs or are not dynamic. */ - - eh = (struct elf_i386_link_hash_entry *) h; - if (eh->dyn_relocs == NULL) - return true; - - if (!info->shared - && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - || h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined)) - { - /* Make sure this symbol is output as a dynamic symbol. - Undefined weak syms won't yet be marked as dynamic. */ - if (h->dynindx == -1 - && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) - { - if (! bfd_elf32_link_record_dynamic_symbol (info, h)) - return false; - } - - /* If that succeeded, we know we'll be keeping all the relocs. */ - if (h->dynindx != -1) - return true; - } - - if (!info->shared - || ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 - && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 - || info->symbolic))) - { - struct elf_i386_dyn_relocs *c; - - for (c = eh->dyn_relocs; c != NULL; c = c->next) - c->section->_raw_size -= c->count * sizeof (Elf32_External_Rel); - } - - 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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - asection *s; - boolean relocs; - boolean reltext; - bfd *i; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.dynobj; - if (dynobj == NULL) - abort (); - - if (htab->root.dynamic_sections_created) - { - /* Set the contents of the .interp section to the interpreter. */ - if (! info->shared) - { - s = bfd_get_section_by_name (dynobj, ".interp"); - if (s == NULL) - abort (); - s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; - s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; - } - } - - /* Set up .got offsets for local syms. */ - for (i = info->input_bfds; i; i = i->link_next) - { - bfd_signed_vma *local_got; - bfd_signed_vma *end_local_got; - bfd_size_type locsymcount; - Elf_Internal_Shdr *symtab_hdr; - asection *srel; - - if (bfd_get_flavour (i) != bfd_target_elf_flavour) - continue; - - local_got = elf_local_got_refcounts (i); - if (!local_got) - continue; - - symtab_hdr = &elf_tdata (i)->symtab_hdr; - locsymcount = symtab_hdr->sh_info; - end_local_got = local_got + locsymcount; - s = htab->sgot; - srel = htab->srelgot; - for (; local_got < end_local_got; ++local_got) - { - if (*local_got > 0) - { - *local_got = s->_raw_size; - s->_raw_size += 4; - if (info->shared) - srel->_raw_size += sizeof (Elf32_External_Rel); - } - else - *local_got = (bfd_vma) -1; - } - } - - /* Allocate global sym .plt and .got entries. Also discard all - unneeded relocs. */ - elf_link_hash_traverse (&htab->root, - allocate_plt_and_got_and_discard_relocs, - (PTR) info); - - /* We now have determined the sizes of the various dynamic sections. - Allocate memory for them. */ - relocs = false; - reltext = false; - for (s = dynobj->sections; s != NULL; s = s->next) - { - if ((s->flags & SEC_LINKER_CREATED) == 0) - continue; - - if (s == htab->splt - || s == htab->sgot - || s == htab->sgotplt) - { - /* Strip this section if we don't need it; see the - comment below. */ - } - else if (strncmp (bfd_get_section_name (dynobj, s), ".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. */ - } - else - { - asection *target; - - /* Remember whether there are any reloc sections other - than .rel.plt. */ - if (s != htab->srelplt) - { - const char *outname; - - 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. */ - outname = bfd_get_section_name (output_bfd, - s->output_section); - target = bfd_get_section_by_name (output_bfd, outname + 4); - if (target != NULL - && (target->flags & SEC_READONLY) != 0 - && (target->flags & SEC_ALLOC) != 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 - { - /* It's not one of our sections, so don't allocate space. */ - continue; - } - - if (s->_raw_size == 0) - { - _bfd_strip_section_from_output (info, s); - continue; - } - - /* Allocate memory for the section contents. We use bfd_zalloc - here in case unused entries are not reclaimed before the - section's contents are written out. This should not happen, - but this way if it does, we get a R_386_NONE reloc instead - of garbage. */ - s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); - if (s->contents == NULL) - return false; - } - - if (htab->root.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 (htab->splt->_raw_size != 0) - { - 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; - info->flags |= DF_TEXTREL; - } - } - - 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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - Elf_Internal_Shdr *symtab_hdr; - struct elf_link_hash_entry **sym_hashes; - bfd_vma *local_got_offsets; - asection *sreloc; - Elf_Internal_Rela *rel; - Elf_Internal_Rela *relend; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.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); - - 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 off; - bfd_vma relocation; - boolean unresolved_reloc; - bfd_reloc_status_type r; - unsigned int indx; - - r_type = ELF32_R_TYPE (rel->r_info); - if (r_type == (int) R_386_GNU_VTINHERIT - || r_type == (int) R_386_GNU_VTENTRY) - continue; - - if ((indx = (unsigned) r_type) >= R_386_standard - && ((indx = (unsigned) r_type - R_386_ext_offset) - R_386_standard - >= R_386_ext - R_386_standard)) - { - bfd_set_error (bfd_error_bad_value); - return false; - } - howto = elf_howto_table + indx; - - 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; - unresolved_reloc = false; - 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; - - relocation = 0; - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - if (sec->output_section == NULL) - /* Set a flag that will be cleared later if we find a - relocation value for this symbol. output_section - is typically NULL for symbols satisfied by a shared - library. */ - unresolved_reloc = true; - else - relocation = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else if (h->root.type == bfd_link_hash_undefweak) - ; - else if (info->shared && !info->symbolic - && !info->no_undefined - && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) - ; - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, - input_section, rel->r_offset, - (!info->shared || info->no_undefined - || ELF_ST_VISIBILITY (h->other))))) - return false; - } - } - - switch (r_type) - { - case R_386_GOT32: - /* Relocation is to the entry for this symbol in the global - offset table. */ - if (htab->sgot == NULL) - abort (); - - if (h != NULL) - { - boolean dyn; - - off = h->got.offset; - dyn = htab->root.dynamic_sections_created; - if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h) - || (info->shared - && (info->symbolic - || h->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (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, or the symbol was forced to be local - because of a version file. 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, - htab->sgot->contents + off); - h->got.offset |= 1; - } - } - else - unresolved_reloc = false; - } - else - { - if (local_got_offsets == NULL) - abort (); - - 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, - htab->sgot->contents + off); - - if (info->shared) - { - asection *srelgot; - Elf_Internal_Rel outrel; - - srelgot = htab->srelgot; - if (srelgot == NULL) - abort (); - - outrel.r_offset = (htab->sgot->output_section->vma - + htab->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; - } - } - - if (off >= (bfd_vma) -2) - abort (); - - relocation = htab->sgot->output_offset + off; - break; - - case R_386_GOTOFF: - /* Relocation is relative to the start of the global offset - table. */ - - /* 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 -= htab->sgot->output_section->vma; - break; - - case R_386_GOTPC: - /* Use global offset table as symbol value. */ - relocation = htab->sgot->output_section->vma; - unresolved_reloc = false; - break; - - case R_386_PLT32: - /* Relocation is to the entry for this symbol in the - procedure linkage table. */ - - /* Resolve a PLT32 reloc against a local symbol directly, - without using the procedure linkage table. */ - if (h == NULL) - break; - - if (h->plt.offset == (bfd_vma) -1 - || htab->splt == NULL) - { - /* We didn't make a PLT entry for this symbol. This - happens when statically linking PIC code, or when - using -Bsymbolic. */ - break; - } - - relocation = (htab->splt->output_section->vma - + htab->splt->output_offset - + h->plt.offset); - unresolved_reloc = false; - 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 - && h->dynindx != -1 - && (! info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)))) - || (!info->shared - && (input_section->flags & SEC_ALLOC) != 0 - && h != NULL - && h->dynindx != -1 - && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 - && ((h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_DYNAMIC) != 0 - || h->root.type == bfd_link_hash_undefweak - || h->root.type == bfd_link_hash_undefined))) - { - Elf_Internal_Rel outrel; - boolean skip, 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; - - if (strncmp (name, ".rel", 4) != 0 - || strcmp (bfd_get_section_name (input_bfd, - input_section), - name + 4) != 0) - { - if (input_bfd->my_archive) - (*_bfd_error_handler)\ - (_("%s(%s): bad relocation section name `%s\'"), - bfd_get_filename (input_bfd->my_archive), - bfd_get_filename (input_bfd), - name); - else - (*_bfd_error_handler) - (_("%s: bad relocation section name `%s\'"), - bfd_get_filename (input_bfd), - name); - return false; - } - - sreloc = bfd_get_section_by_name (dynobj, name); - if (sreloc == NULL) - abort (); - } - - skip = false; - - if (elf_section_data (input_section)->stab_info == NULL) - outrel.r_offset = rel->r_offset; - else - { - bfd_vma off; - - off = (_bfd_stab_section_offset - (output_bfd, htab->root.stab_info, input_section, - &elf_section_data (input_section)->stab_info, - rel->r_offset)); - if (off == (bfd_vma) -1) - skip = true; - outrel.r_offset = off; - } - - outrel.r_offset += (input_section->output_section->vma - + input_section->output_offset); - - if (skip) - { - memset (&outrel, 0, sizeof outrel); - relocate = false; - } - else if (h != NULL - && h->dynindx != -1 - && (r_type == R_386_PC32 - || !info->shared - || !info->symbolic - || (h->elf_link_hash_flags - & ELF_LINK_HASH_DEF_REGULAR) == 0)) - - { - relocate = false; - outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); - } - else - { - /* This symbol is local, or marked to become local. */ - relocate = true; - outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); - } - - 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; - } - - /* FIXME: Why do we allow debugging sections to escape this error? - More importantly, why do we not emit dynamic relocs for - R_386_32 above in debugging sections (which are ! SEC_ALLOC)? - If we had emitted the dynamic reloc, we could remove the - fudge here. */ - if (unresolved_reloc - && !(info->shared - && (input_section->flags & SEC_DEBUGGING) != 0 - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0)) - (*_bfd_error_handler) - (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"), - bfd_get_filename (input_bfd), - bfd_get_section_name (input_bfd, input_section), - (long) rel->r_offset, - h->root.root.string); - - r = _bfd_final_link_relocate (howto, input_bfd, input_section, - contents, rel->r_offset, - relocation, (bfd_vma) 0); - - switch (r) - { - case bfd_reloc_ok: - 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) - 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; - - default: - case bfd_reloc_outofrange: - abort (); - 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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.dynobj; - - if (h->plt.offset != (bfd_vma) -1) - { - 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. */ - - if (h->dynindx == -1 - || htab->splt == NULL - || htab->sgotplt == NULL - || htab->srelplt == NULL) - abort (); - - /* 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 (htab->splt->contents + h->plt.offset, elf_i386_plt_entry, - PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset - + got_offset), - htab->splt->contents + h->plt.offset + 2); - } - else - { - memcpy (htab->splt->contents + h->plt.offset, elf_i386_pic_plt_entry, - PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, got_offset, - htab->splt->contents + h->plt.offset + 2); - } - - bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel), - htab->splt->contents + h->plt.offset + 7); - bfd_put_32 (output_bfd, - (h->plt.offset + PLT_ENTRY_SIZE), - htab->splt->contents + h->plt.offset + 12); - - /* Fill in the entry in the global offset table. */ - bfd_put_32 (output_bfd, - (htab->splt->output_section->vma - + htab->splt->output_offset - + h->plt.offset - + 6), - htab->sgotplt->contents + got_offset); - - /* Fill in the entry in the .rel.plt section. */ - rel.r_offset = (htab->sgotplt->output_section->vma - + htab->sgotplt->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 *) htab->srelplt->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) - { - Elf_Internal_Rel rel; - - /* This symbol has an entry in the global offset table. Set it - up. */ - - if (htab->sgot == NULL || htab->srelgot == NULL) - abort (); - - rel.r_offset = (htab->sgot->output_section->vma - + htab->sgot->output_offset - + (h->got.offset &~ 1)); - - /* If this is a static link, or it is a -Bsymbolic link and the - symbol is defined locally or was forced to be local because - of a version file, 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->dynindx == -1 - || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) - && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) - { - BFD_ASSERT((h->got.offset & 1) != 0); - rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE); - } - else - { - BFD_ASSERT((h->got.offset & 1) == 0); - bfd_put_32 (output_bfd, (bfd_vma) 0, - htab->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 *) htab->srelgot->contents - + htab->srelgot->reloc_count)); - ++htab->srelgot->reloc_count; - } - - if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) - { - Elf_Internal_Rel rel; - - /* This symbol needs a copy reloc. Set it up. */ - - if (h->dynindx == -1 - || (h->root.type != bfd_link_hash_defined - && h->root.type != bfd_link_hash_defweak) - || htab->srelbss == NULL) - abort (); - - 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 *) htab->srelbss->contents - + htab->srelbss->reloc_count)); - ++htab->srelbss->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; -{ - struct elf_i386_link_hash_table *htab; - bfd *dynobj; - asection *sdyn; - - htab = elf_i386_hash_table (info); - dynobj = htab->root.dynobj; - sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); - - if (htab->root.dynamic_sections_created) - { - Elf32_External_Dyn *dyncon, *dynconend; - - if (sdyn == NULL || htab->sgot == NULL) - abort (); - - dyncon = (Elf32_External_Dyn *) sdyn->contents; - dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); - for (; dyncon < dynconend; dyncon++) - { - Elf_Internal_Dyn dyn; - - bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); - - switch (dyn.d_tag) - { - default: - break; - - case DT_PLTGOT: - dyn.d_un.d_ptr = htab->sgot->output_section->vma; - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - - case DT_JMPREL: - dyn.d_un.d_ptr = htab->srelplt->output_section->vma; - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - - case DT_PLTRELSZ: - if (htab->srelplt->output_section->_cooked_size != 0) - dyn.d_un.d_val = htab->srelplt->output_section->_cooked_size; - else - dyn.d_un.d_val = htab->srelplt->output_section->_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. */ - if (htab->srelplt != NULL) - { - if (htab->srelplt->output_section->_cooked_size != 0) - dyn.d_un.d_val -= htab->srelplt->output_section->_cooked_size; - else - dyn.d_un.d_val -= htab->srelplt->output_section->_raw_size; - } - bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); - break; - } - } - - /* Fill in the first entry in the procedure linkage table. */ - if (htab->splt && htab->splt->_raw_size > 0) - { - if (info->shared) - memcpy (htab->splt->contents, - elf_i386_pic_plt0_entry, PLT_ENTRY_SIZE); - else - { - memcpy (htab->splt->contents, - elf_i386_plt0_entry, PLT_ENTRY_SIZE); - bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset - + 4), - htab->splt->contents + 2); - bfd_put_32 (output_bfd, - (htab->sgotplt->output_section->vma - + htab->sgotplt->output_offset - + 8), - htab->splt->contents + 8); - } - - /* UnixWare sets the entsize of .plt to 4, although that doesn't - really seem like the right value. */ - elf_section_data (htab->splt->output_section) - ->this_hdr.sh_entsize = 4; - } - } - - if (htab->sgotplt) - { - /* Fill in the first three entries in the global offset table. */ - if (htab->sgotplt->_raw_size > 0) - { - bfd_put_32 (output_bfd, - (sdyn == NULL ? (bfd_vma) 0 - : sdyn->output_section->vma + sdyn->output_offset), - htab->sgotplt->contents); - bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + 4); - bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgotplt->contents + 8); - } - - elf_section_data (htab->sgotplt->output_section)->this_hdr.sh_entsize = 4; - } - return true; -} - -/* Set the correct type for an x86 ELF section. We do this by the - section name, which is a hack, but ought to work. */ - -static boolean -elf_i386_fake_sections (abfd, hdr, sec) - bfd *abfd ATTRIBUTE_UNUSED; - Elf32_Internal_Shdr *hdr; - asection *sec; -{ - register const char *name; - - name = bfd_get_section_name (abfd, sec); - - if (strcmp (name, ".reloc") == 0) - /* - * This is an ugly, but unfortunately necessary hack that is - * needed when producing EFI binaries on x86. It tells - * elf.c:elf_fake_sections() not to consider ".reloc" as a section - * containing ELF relocation info. We need this hack in order to - * be able to generate ELF binaries that can be translated into - * EFI applications (which are essentially COFF objects). Those - * files contain a COFF ".reloc" section inside an ELFNN object, - * which would normally cause BFD to segfault because it would - * attempt to interpret this section as containing relocation - * entries for section "oc". With this hack enabled, ".reloc" - * will be treated as a normal data section, which will avoid the - * segfault. However, you won't be able to create an ELFNN binary - * with a section named "oc" that needs relocations, but that's - * the kind of ugly side-effects you get when detecting section - * types based on their names... In practice, this limitation is - * unlikely to bite. - */ - hdr->sh_type = SHT_PROGBITS; - - 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_MAXPAGESIZE 0x1000 - -#define elf_backend_can_gc_sections 1 -#define elf_backend_want_got_plt 1 -#define elf_backend_plt_readonly 1 -#define elf_backend_want_plt_sym 0 -#define elf_backend_got_header_size 12 -#define elf_backend_plt_header_size PLT_ENTRY_SIZE - -#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_is_local_label_name elf_i386_is_local_label_name -#define bfd_elf32_bfd_link_hash_table_create elf_i386_link_hash_table_create -#define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup - -#define elf_backend_adjust_dynamic_symbol elf_i386_adjust_dynamic_symbol -#define elf_backend_check_relocs elf_i386_check_relocs -#define elf_backend_create_dynamic_sections elf_i386_create_dynamic_sections -#define elf_backend_finish_dynamic_sections elf_i386_finish_dynamic_sections -#define elf_backend_finish_dynamic_symbol elf_i386_finish_dynamic_symbol -#define elf_backend_gc_mark_hook elf_i386_gc_mark_hook -#define elf_backend_gc_sweep_hook elf_i386_gc_sweep_hook -#define elf_backend_relocate_section elf_i386_relocate_section -#define elf_backend_size_dynamic_sections elf_i386_size_dynamic_sections -#define elf_backend_fake_sections elf_i386_fake_sections - -#include "elf32-target.h" |