| Line 1... |
Line 1... |
/* Intel 80386/80486-specific support for 32-bit ELF
|
/* Intel 80386/80486-specific support for 32-bit ELF
|
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
|
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
|
2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
| Line 24... |
Line 24... |
#include "bfdlink.h"
|
#include "bfdlink.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "elf-bfd.h"
|
#include "elf-bfd.h"
|
#include "elf-vxworks.h"
|
#include "elf-vxworks.h"
|
#include "bfd_stdint.h"
|
#include "bfd_stdint.h"
|
|
#include "objalloc.h"
|
|
#include "hashtab.h"
|
|
|
/* 386 uses REL relocations instead of RELA. */
|
/* 386 uses REL relocations instead of RELA. */
|
#define USE_REL 1
|
#define USE_REL 1
|
|
|
#include "elf/i386.h"
|
#include "elf/i386.h"
|
| Line 136... |
Line 138... |
bfd_elf_generic_reloc, "R_386_TLS_DESC_CALL",
|
bfd_elf_generic_reloc, "R_386_TLS_DESC_CALL",
|
FALSE, 0, 0, FALSE),
|
FALSE, 0, 0, FALSE),
|
HOWTO(R_386_TLS_DESC, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
|
HOWTO(R_386_TLS_DESC, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
|
bfd_elf_generic_reloc, "R_386_TLS_DESC",
|
bfd_elf_generic_reloc, "R_386_TLS_DESC",
|
TRUE, 0xffffffff, 0xffffffff, FALSE),
|
TRUE, 0xffffffff, 0xffffffff, FALSE),
|
|
HOWTO(R_386_IRELATIVE, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
|
|
bfd_elf_generic_reloc, "R_386_IRELATIVE",
|
|
TRUE, 0xffffffff, 0xffffffff, FALSE),
|
|
|
/* Another gap. */
|
/* Another gap. */
|
#define R_386_tls (R_386_TLS_DESC + 1 - R_386_tls_offset)
|
#define R_386_irelative (R_386_IRELATIVE + 1 - R_386_tls_offset)
|
#define R_386_vt_offset (R_386_GNU_VTINHERIT - R_386_tls)
|
#define R_386_vt_offset (R_386_GNU_VTINHERIT - R_386_irelative)
|
|
|
/* GNU extension to record C++ vtable hierarchy. */
|
/* GNU extension to record C++ vtable hierarchy. */
|
HOWTO (R_386_GNU_VTINHERIT, /* type */
|
HOWTO (R_386_GNU_VTINHERIT, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
| Line 314... |
Line 319... |
|
|
case BFD_RELOC_386_TLS_DESC:
|
case BFD_RELOC_386_TLS_DESC:
|
TRACE ("BFD_RELOC_386_TLS_DESC");
|
TRACE ("BFD_RELOC_386_TLS_DESC");
|
return &elf_howto_table[R_386_TLS_DESC - R_386_tls_offset];
|
return &elf_howto_table[R_386_TLS_DESC - R_386_tls_offset];
|
|
|
|
case BFD_RELOC_386_IRELATIVE:
|
|
TRACE ("BFD_RELOC_386_IRELATIVE");
|
|
return &elf_howto_table[R_386_IRELATIVE];
|
|
|
case BFD_RELOC_VTABLE_INHERIT:
|
case BFD_RELOC_VTABLE_INHERIT:
|
TRACE ("BFD_RELOC_VTABLE_INHERIT");
|
TRACE ("BFD_RELOC_VTABLE_INHERIT");
|
return &elf_howto_table[R_386_GNU_VTINHERIT - R_386_vt_offset];
|
return &elf_howto_table[R_386_GNU_VTINHERIT - R_386_vt_offset];
|
|
|
case BFD_RELOC_VTABLE_ENTRY:
|
case BFD_RELOC_VTABLE_ENTRY:
|
| Line 353... |
Line 362... |
|
|
if ((indx = r_type) >= R_386_standard
|
if ((indx = r_type) >= R_386_standard
|
&& ((indx = r_type - R_386_ext_offset) - R_386_standard
|
&& ((indx = r_type - R_386_ext_offset) - R_386_standard
|
>= R_386_ext - R_386_standard)
|
>= R_386_ext - R_386_standard)
|
&& ((indx = r_type - R_386_tls_offset) - R_386_ext
|
&& ((indx = r_type - R_386_tls_offset) - R_386_ext
|
>= R_386_tls - R_386_ext)
|
>= R_386_irelative - R_386_ext)
|
&& ((indx = r_type - R_386_vt_offset) - R_386_tls
|
&& ((indx = r_type - R_386_vt_offset) - R_386_irelative
|
>= R_386_vt - R_386_tls))
|
>= R_386_vt - R_386_irelative))
|
{
|
{
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
(*_bfd_error_handler) (_("%B: invalid relocation type %d"),
|
abfd, (int) r_type);
|
abfd, (int) r_type);
|
indx = R_386_NONE;
|
indx = R_386_NONE;
|
}
|
}
|
| Line 566... |
Line 575... |
for the PLTResolve stub and then for each PLT entry. */
|
for the PLTResolve stub and then for each PLT entry. */
|
#define PLTRESOLVE_RELOCS_SHLIB 0
|
#define PLTRESOLVE_RELOCS_SHLIB 0
|
#define PLTRESOLVE_RELOCS 2
|
#define PLTRESOLVE_RELOCS 2
|
#define PLT_NON_JUMP_SLOT_RELOCS 2
|
#define PLT_NON_JUMP_SLOT_RELOCS 2
|
|
|
/* 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
|
|
{
|
|
struct elf_i386_dyn_relocs *next;
|
|
|
|
/* The input section of the reloc. */
|
|
asection *sec;
|
|
|
|
/* Total number of relocs copied for the input section. */
|
|
bfd_size_type count;
|
|
|
|
/* Number of pc-relative relocs copied for the input section. */
|
|
bfd_size_type pc_count;
|
|
};
|
|
|
|
/* i386 ELF linker hash entry. */
|
/* i386 ELF linker hash entry. */
|
|
|
struct elf_i386_link_hash_entry
|
struct elf_i386_link_hash_entry
|
{
|
{
|
struct elf_link_hash_entry elf;
|
struct elf_link_hash_entry elf;
|
|
|
/* Track dynamic relocs copied for this symbol. */
|
/* Track dynamic relocs copied for this symbol. */
|
struct elf_i386_dyn_relocs *dyn_relocs;
|
struct elf_dyn_relocs *dyn_relocs;
|
|
|
#define GOT_UNKNOWN 0
|
#define GOT_UNKNOWN 0
|
#define GOT_NORMAL 1
|
#define GOT_NORMAL 1
|
#define GOT_TLS_GD 2
|
#define GOT_TLS_GD 2
|
#define GOT_TLS_IE 4
|
#define GOT_TLS_IE 4
|
| Line 659... |
Line 648... |
struct elf_i386_link_hash_table
|
struct elf_i386_link_hash_table
|
{
|
{
|
struct elf_link_hash_table elf;
|
struct elf_link_hash_table elf;
|
|
|
/* Short-cuts to get to dynamic linker sections. */
|
/* Short-cuts to get to dynamic linker sections. */
|
asection *sgot;
|
|
asection *sgotplt;
|
|
asection *srelgot;
|
|
asection *splt;
|
|
asection *srelplt;
|
|
asection *sdynbss;
|
asection *sdynbss;
|
asection *srelbss;
|
asection *srelbss;
|
|
|
/* The (unloaded but important) .rel.plt.unloaded section on VxWorks. */
|
/* The (unloaded but important) .rel.plt.unloaded section on VxWorks. */
|
asection *srelplt2;
|
asection *srelplt2;
|
| Line 688... |
Line 672... |
|
|
/* The amount of space used by the reserved portion of the sgotplt
|
/* The amount of space used by the reserved portion of the sgotplt
|
section, plus whatever space is used by the jump slots. */
|
section, plus whatever space is used by the jump slots. */
|
bfd_vma sgotplt_jump_table_size;
|
bfd_vma sgotplt_jump_table_size;
|
|
|
/* Small local sym to section mapping cache. */
|
/* Small local sym cache. */
|
struct sym_sec_cache sym_sec;
|
struct sym_cache sym_cache;
|
|
|
|
/* _TLS_MODULE_BASE_ symbol. */
|
|
struct bfd_link_hash_entry *tls_module_base;
|
|
|
|
/* Used by local STT_GNU_IFUNC symbols. */
|
|
htab_t loc_hash_table;
|
|
void *loc_hash_memory;
|
};
|
};
|
|
|
/* Get the i386 ELF linker hash table from a link_info structure. */
|
/* Get the i386 ELF linker hash table from a link_info structure. */
|
|
|
#define elf_i386_hash_table(p) \
|
#define elf_i386_hash_table(p) \
|
| Line 703... |
Line 694... |
((htab)->next_tls_desc_index * 4)
|
((htab)->next_tls_desc_index * 4)
|
|
|
/* Create an entry in an i386 ELF linker hash table. */
|
/* Create an entry in an i386 ELF linker hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
link_hash_newfunc (struct bfd_hash_entry *entry,
|
elf_i386_link_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
const char *string)
|
const char *string)
|
{
|
{
|
/* Allocate the structure if it has not already been allocated by a
|
/* Allocate the structure if it has not already been allocated by a
|
subclass. */
|
subclass. */
|
if (entry == NULL)
|
if (entry == NULL)
|
{
|
{
|
entry = bfd_hash_allocate (table,
|
entry = (struct bfd_hash_entry *)
|
sizeof (struct elf_i386_link_hash_entry));
|
bfd_hash_allocate (table, sizeof (struct elf_i386_link_hash_entry));
|
if (entry == NULL)
|
if (entry == NULL)
|
return entry;
|
return entry;
|
}
|
}
|
|
|
/* Call the allocation method of the superclass. */
|
/* Call the allocation method of the superclass. */
|
| Line 732... |
Line 723... |
}
|
}
|
|
|
return entry;
|
return entry;
|
}
|
}
|
|
|
|
/* Compute a hash of a local hash entry. We use elf_link_hash_entry
|
|
for local symbol so that we can handle local STT_GNU_IFUNC symbols
|
|
as global symbol. We reuse indx and dynstr_index for local symbol
|
|
hash since they aren't used by global symbols in this backend. */
|
|
|
|
static hashval_t
|
|
elf_i386_local_htab_hash (const void *ptr)
|
|
{
|
|
struct elf_link_hash_entry *h
|
|
= (struct elf_link_hash_entry *) ptr;
|
|
return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
|
|
}
|
|
|
|
/* Compare local hash entries. */
|
|
|
|
static int
|
|
elf_i386_local_htab_eq (const void *ptr1, const void *ptr2)
|
|
{
|
|
struct elf_link_hash_entry *h1
|
|
= (struct elf_link_hash_entry *) ptr1;
|
|
struct elf_link_hash_entry *h2
|
|
= (struct elf_link_hash_entry *) ptr2;
|
|
|
|
return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
|
|
}
|
|
|
|
/* Find and/or create a hash entry for local symbol. */
|
|
|
|
static struct elf_link_hash_entry *
|
|
elf_i386_get_local_sym_hash (struct elf_i386_link_hash_table *htab,
|
|
bfd *abfd, const Elf_Internal_Rela *rel,
|
|
bfd_boolean create)
|
|
{
|
|
struct elf_i386_link_hash_entry e, *ret;
|
|
asection *sec = abfd->sections;
|
|
hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id,
|
|
ELF32_R_SYM (rel->r_info));
|
|
void **slot;
|
|
|
|
e.elf.indx = sec->id;
|
|
e.elf.dynstr_index = ELF32_R_SYM (rel->r_info);
|
|
slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
|
|
create ? INSERT : NO_INSERT);
|
|
|
|
if (!slot)
|
|
return NULL;
|
|
|
|
if (*slot)
|
|
{
|
|
ret = (struct elf_i386_link_hash_entry *) *slot;
|
|
return &ret->elf;
|
|
}
|
|
|
|
ret = (struct elf_i386_link_hash_entry *)
|
|
objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
|
|
sizeof (struct elf_i386_link_hash_entry));
|
|
if (ret)
|
|
{
|
|
memset (ret, 0, sizeof (*ret));
|
|
ret->elf.indx = sec->id;
|
|
ret->elf.dynstr_index = ELF32_R_SYM (rel->r_info);
|
|
ret->elf.dynindx = -1;
|
|
ret->elf.plt.offset = (bfd_vma) -1;
|
|
ret->elf.got.offset = (bfd_vma) -1;
|
|
*slot = ret;
|
|
}
|
|
return &ret->elf;
|
|
}
|
|
|
/* Create an i386 ELF linker hash table. */
|
/* Create an i386 ELF linker hash table. */
|
|
|
static struct bfd_link_hash_table *
|
static struct bfd_link_hash_table *
|
elf_i386_link_hash_table_create (bfd *abfd)
|
elf_i386_link_hash_table_create (bfd *abfd)
|
{
|
{
|
struct elf_i386_link_hash_table *ret;
|
struct elf_i386_link_hash_table *ret;
|
bfd_size_type amt = sizeof (struct elf_i386_link_hash_table);
|
bfd_size_type amt = sizeof (struct elf_i386_link_hash_table);
|
|
|
ret = bfd_malloc (amt);
|
ret = (struct elf_i386_link_hash_table *) bfd_malloc (amt);
|
if (ret == NULL)
|
if (ret == NULL)
|
return NULL;
|
return NULL;
|
|
|
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
|
if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd,
|
|
elf_i386_link_hash_newfunc,
|
sizeof (struct elf_i386_link_hash_entry)))
|
sizeof (struct elf_i386_link_hash_entry)))
|
{
|
{
|
free (ret);
|
free (ret);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ret->sgot = NULL;
|
|
ret->sgotplt = NULL;
|
|
ret->srelgot = NULL;
|
|
ret->splt = NULL;
|
|
ret->srelplt = NULL;
|
|
ret->sdynbss = NULL;
|
ret->sdynbss = NULL;
|
ret->srelbss = NULL;
|
ret->srelbss = NULL;
|
ret->tls_ldm_got.refcount = 0;
|
ret->tls_ldm_got.refcount = 0;
|
ret->next_tls_desc_index = 0;
|
ret->next_tls_desc_index = 0;
|
ret->sgotplt_jump_table_size = 0;
|
ret->sgotplt_jump_table_size = 0;
|
ret->sym_sec.abfd = NULL;
|
ret->sym_cache.abfd = NULL;
|
ret->is_vxworks = 0;
|
ret->is_vxworks = 0;
|
ret->srelplt2 = NULL;
|
ret->srelplt2 = NULL;
|
ret->plt0_pad_byte = 0;
|
ret->plt0_pad_byte = 0;
|
|
ret->tls_module_base = NULL;
|
|
|
|
ret->loc_hash_table = htab_try_create (1024,
|
|
elf_i386_local_htab_hash,
|
|
elf_i386_local_htab_eq,
|
|
NULL);
|
|
ret->loc_hash_memory = objalloc_create ();
|
|
if (!ret->loc_hash_table || !ret->loc_hash_memory)
|
|
{
|
|
free (ret);
|
|
return NULL;
|
|
}
|
|
|
return &ret->elf.root;
|
return &ret->elf.root;
|
}
|
}
|
|
|
/* Create .got, .gotplt, and .rel.got sections in DYNOBJ, and set up
|
/* Destroy an i386 ELF linker hash table. */
|
shortcuts to them in our hash table. */
|
|
|
|
static bfd_boolean
|
static void
|
create_got_section (bfd *dynobj, struct bfd_link_info *info)
|
elf_i386_link_hash_table_free (struct bfd_link_hash_table *hash)
|
{
|
{
|
struct elf_i386_link_hash_table *htab;
|
struct elf_i386_link_hash_table *htab
|
|
= (struct elf_i386_link_hash_table *) hash;
|
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_with_flags (dynobj, ".rel.got",
|
if (htab->loc_hash_table)
|
(SEC_ALLOC | SEC_LOAD
|
htab_delete (htab->loc_hash_table);
|
| SEC_HAS_CONTENTS
|
if (htab->loc_hash_memory)
|
| SEC_IN_MEMORY
|
objalloc_free ((struct objalloc *) htab->loc_hash_memory);
|
| SEC_LINKER_CREATED
|
_bfd_generic_link_hash_table_free (hash);
|
| SEC_READONLY));
|
|
if (htab->srelgot == NULL
|
|
|| ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
}
|
|
|
/* Create .plt, .rel.plt, .got, .got.plt, .rel.got, .dynbss, and
|
/* Create .plt, .rel.plt, .got, .got.plt, .rel.got, .dynbss, and
|
.rel.bss sections in DYNOBJ, and set up shortcuts to them in our
|
.rel.bss sections in DYNOBJ, and set up shortcuts to them in our
|
hash table. */
|
hash table. */
|
| Line 807... |
Line 861... |
static bfd_boolean
|
static bfd_boolean
|
elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
|
elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
|
{
|
{
|
struct elf_i386_link_hash_table *htab;
|
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))
|
if (!_bfd_elf_create_dynamic_sections (dynobj, info))
|
return FALSE;
|
return FALSE;
|
|
|
htab->splt = bfd_get_section_by_name (dynobj, ".plt");
|
htab = elf_i386_hash_table (info);
|
htab->srelplt = bfd_get_section_by_name (dynobj, ".rel.plt");
|
|
htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
|
htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
|
if (!info->shared)
|
if (!info->shared)
|
htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss");
|
htab->srelbss = bfd_get_section_by_name (dynobj, ".rel.bss");
|
|
|
if (!htab->splt || !htab->srelplt || !htab->sdynbss
|
if (!htab->sdynbss
|
|| (!info->shared && !htab->srelbss))
|
|| (!info->shared && !htab->srelbss))
|
abort ();
|
abort ();
|
|
|
if (htab->is_vxworks
|
if (htab->is_vxworks
|
&& !elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
|
&& !elf_vxworks_create_dynamic_sections (dynobj, info,
|
|
&htab->srelplt2))
|
return FALSE;
|
return FALSE;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
| Line 847... |
Line 897... |
|
|
if (eind->dyn_relocs != NULL)
|
if (eind->dyn_relocs != NULL)
|
{
|
{
|
if (edir->dyn_relocs != NULL)
|
if (edir->dyn_relocs != NULL)
|
{
|
{
|
struct elf_i386_dyn_relocs **pp;
|
struct elf_dyn_relocs **pp;
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
/* Add reloc counts against the indirect sym to the direct sym
|
/* Add reloc counts against the indirect sym to the direct sym
|
list. Merge any entries against the same section. */
|
list. Merge any entries against the same section. */
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
struct elf_i386_dyn_relocs *q;
|
struct elf_dyn_relocs *q;
|
|
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
for (q = edir->dyn_relocs; q != NULL; q = q->next)
|
if (q->sec == p->sec)
|
if (q->sec == p->sec)
|
{
|
{
|
q->pc_count += p->pc_count;
|
q->pc_count += p->pc_count;
|
| Line 949... |
Line 999... |
return FALSE;
|
return FALSE;
|
|
|
type = bfd_get_8 (abfd, contents + offset - 2);
|
type = bfd_get_8 (abfd, contents + offset - 2);
|
if (r_type == R_386_TLS_GD)
|
if (r_type == R_386_TLS_GD)
|
{
|
{
|
/* Check transition from LD access model. Only
|
/* Check transition from GD access model. Only
|
leal foo@tlsgd(,%reg,1), %eax; call ___tls_get_addr
|
leal foo@tlsgd(,%reg,1), %eax; call ___tls_get_addr
|
leal foo@tlsgd(%reg), %eax; call ___tls_get_addr; nop
|
leal foo@tlsgd(%reg), %eax; call ___tls_get_addr; nop
|
can transit to different access model. */
|
can transit to different access model. */
|
if ((offset + 10) > sec->size ||
|
if ((offset + 10) > sec->size ||
|
(type != 0x8d && type != 0x04))
|
(type != 0x8d && type != 0x04))
|
| Line 1001... |
Line 1051... |
r_symndx = ELF32_R_SYM (rel[1].r_info);
|
r_symndx = ELF32_R_SYM (rel[1].r_info);
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
return FALSE;
|
return FALSE;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
|
/* Use strncmp to check ___tls_get_addr since ___tls_get_addr
|
|
may be versioned. */
|
return (h != NULL
|
return (h != NULL
|
&& h->root.root.string != NULL
|
&& h->root.root.string != NULL
|
&& (ELF32_R_TYPE (rel[1].r_info) == R_386_PC32
|
&& (ELF32_R_TYPE (rel[1].r_info) == R_386_PC32
|
|| ELF32_R_TYPE (rel[1].r_info) == R_386_PLT32)
|
|| ELF32_R_TYPE (rel[1].r_info) == R_386_PLT32)
|
&& (strcmp (h->root.root.string, "___tls_get_addr") == 0));
|
&& (strncmp (h->root.root.string, "___tls_get_addr",
|
|
15) == 0));
|
|
|
case R_386_TLS_IE:
|
case R_386_TLS_IE:
|
/* Check transition from IE access model:
|
/* Check transition from IE access model:
|
movl foo@indntpoff(%rip), %eax
|
movl foo@indntpoff(%rip), %eax
|
movl foo@indntpoff(%rip), %reg
|
movl foo@indntpoff(%rip), %reg
|
| Line 1094... |
Line 1147... |
Elf_Internal_Shdr *symtab_hdr,
|
Elf_Internal_Shdr *symtab_hdr,
|
struct elf_link_hash_entry **sym_hashes,
|
struct elf_link_hash_entry **sym_hashes,
|
unsigned int *r_type, int tls_type,
|
unsigned int *r_type, int tls_type,
|
const Elf_Internal_Rela *rel,
|
const Elf_Internal_Rela *rel,
|
const Elf_Internal_Rela *relend,
|
const Elf_Internal_Rela *relend,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h,
|
|
unsigned long r_symndx)
|
{
|
{
|
unsigned int from_type = *r_type;
|
unsigned int from_type = *r_type;
|
unsigned int to_type = from_type;
|
unsigned int to_type = from_type;
|
bfd_boolean check = TRUE;
|
bfd_boolean check = TRUE;
|
|
|
| Line 1108... |
Line 1162... |
case R_386_TLS_GOTDESC:
|
case R_386_TLS_GOTDESC:
|
case R_386_TLS_DESC_CALL:
|
case R_386_TLS_DESC_CALL:
|
case R_386_TLS_IE_32:
|
case R_386_TLS_IE_32:
|
case R_386_TLS_IE:
|
case R_386_TLS_IE:
|
case R_386_TLS_GOTIE:
|
case R_386_TLS_GOTIE:
|
if (!info->shared)
|
if (info->executable)
|
{
|
{
|
if (h == NULL)
|
if (h == NULL)
|
to_type = R_386_TLS_LE_32;
|
to_type = R_386_TLS_LE_32;
|
else if (from_type != R_386_TLS_IE
|
else if (from_type != R_386_TLS_IE
|
&& from_type != R_386_TLS_GOTIE)
|
&& from_type != R_386_TLS_GOTIE)
|
| Line 1124... |
Line 1178... |
TLS_TYPE. */
|
TLS_TYPE. */
|
if (contents != NULL)
|
if (contents != NULL)
|
{
|
{
|
unsigned int new_to_type = to_type;
|
unsigned int new_to_type = to_type;
|
|
|
if (!info->shared
|
if (info->executable
|
&& h != NULL
|
&& h != NULL
|
&& h->dynindx == -1
|
&& h->dynindx == -1
|
&& (tls_type & GOT_TLS_IE))
|
&& (tls_type & GOT_TLS_IE))
|
new_to_type = R_386_TLS_LE_32;
|
new_to_type = R_386_TLS_LE_32;
|
|
|
| Line 1150... |
Line 1204... |
}
|
}
|
|
|
break;
|
break;
|
|
|
case R_386_TLS_LDM:
|
case R_386_TLS_LDM:
|
if (!info->shared)
|
if (info->executable)
|
to_type = R_386_TLS_LE_32;
|
to_type = R_386_TLS_LE_32;
|
break;
|
break;
|
|
|
default:
|
default:
|
return TRUE;
|
return TRUE;
|
| Line 1169... |
Line 1223... |
&& ! elf_i386_check_tls_transition (abfd, sec, contents,
|
&& ! elf_i386_check_tls_transition (abfd, sec, contents,
|
symtab_hdr, sym_hashes,
|
symtab_hdr, sym_hashes,
|
from_type, rel, relend))
|
from_type, rel, relend))
|
{
|
{
|
reloc_howto_type *from, *to;
|
reloc_howto_type *from, *to;
|
|
const char *name;
|
|
|
from = elf_i386_rtype_to_howto (abfd, from_type);
|
from = elf_i386_rtype_to_howto (abfd, from_type);
|
to = elf_i386_rtype_to_howto (abfd, to_type);
|
to = elf_i386_rtype_to_howto (abfd, to_type);
|
|
|
|
if (h)
|
|
name = h->root.root.string;
|
|
else
|
|
{
|
|
Elf_Internal_Sym *isym;
|
|
struct elf_i386_link_hash_table *htab;
|
|
htab = elf_i386_hash_table (info);
|
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
|
abfd, r_symndx);
|
|
name = bfd_elf_sym_name (abfd, symtab_hdr, isym, NULL);
|
|
}
|
|
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: TLS transition from %s to %s against `%s' at 0x%lx "
|
(_("%B: TLS transition from %s to %s against `%s' at 0x%lx "
|
"in section `%A' failed"),
|
"in section `%A' failed"),
|
abfd, sec, from->name, to->name,
|
abfd, sec, from->name, to->name, name,
|
h ? h->root.root.string : "a local symbol",
|
|
(unsigned long) rel->r_offset);
|
(unsigned long) rel->r_offset);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
| Line 1221... |
Line 1287... |
for (rel = relocs; rel < rel_end; rel++)
|
for (rel = relocs; rel < rel_end; rel++)
|
{
|
{
|
unsigned int r_type;
|
unsigned int r_type;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
Elf_Internal_Sym *isym;
|
|
const char *name;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
|
|
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
|
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
|
| Line 1234... |
Line 1302... |
r_symndx);
|
r_symndx);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
|
{
|
|
/* A local symbol. */
|
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
|
abfd, r_symndx);
|
|
if (isym == NULL)
|
|
return FALSE;
|
|
|
|
/* Check relocation against local STT_GNU_IFUNC symbol. */
|
|
if (ELF32_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
|
|
{
|
|
h = elf_i386_get_local_sym_hash (htab, abfd, rel,
|
|
TRUE);
|
|
if (h == NULL)
|
|
return FALSE;
|
|
|
|
/* Fake a STT_GNU_IFUNC symbol. */
|
|
h->type = STT_GNU_IFUNC;
|
|
h->def_regular = 1;
|
|
h->ref_regular = 1;
|
|
h->forced_local = 1;
|
|
h->root.type = bfd_link_hash_defined;
|
|
}
|
|
else
|
h = NULL;
|
h = NULL;
|
|
}
|
else
|
else
|
{
|
{
|
|
isym = NULL;
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
|
if (h != NULL)
|
|
{
|
|
/* Create the ifunc sections for static executables. If we
|
|
never see an indirect function symbol nor we are building
|
|
a static executable, those sections will be empty and
|
|
won't appear in output. */
|
|
switch (r_type)
|
|
{
|
|
default:
|
|
break;
|
|
|
|
case R_386_32:
|
|
case R_386_PC32:
|
|
case R_386_PLT32:
|
|
case R_386_GOT32:
|
|
case R_386_GOTOFF:
|
|
if (!_bfd_elf_create_ifunc_sections (abfd, info))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
|
|
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle
|
|
it here if it is defined in a non-shared object. */
|
|
if (h->type == STT_GNU_IFUNC
|
|
&& h->def_regular)
|
|
{
|
|
/* It is referenced by a non-shared object. */
|
|
h->ref_regular = 1;
|
|
h->needs_plt = 1;
|
|
|
|
/* STT_GNU_IFUNC symbol must go through PLT. */
|
|
h->plt.refcount += 1;
|
|
|
|
/* STT_GNU_IFUNC needs dynamic sections. */
|
|
if (htab->elf.dynobj == NULL)
|
|
htab->elf.dynobj = abfd;
|
|
|
|
switch (r_type)
|
|
{
|
|
default:
|
|
if (h->root.root.string)
|
|
name = h->root.root.string;
|
|
else
|
|
name = bfd_elf_sym_name (abfd, symtab_hdr, isym,
|
|
NULL);
|
|
(*_bfd_error_handler)
|
|
(_("%B: relocation %s against STT_GNU_IFUNC "
|
|
"symbol `%s' isn't handled by %s"), abfd,
|
|
elf_howto_table[r_type].name,
|
|
name, __FUNCTION__);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
|
|
case R_386_32:
|
|
h->non_got_ref = 1;
|
|
h->pointer_equality_needed = 1;
|
|
if (info->shared)
|
|
{
|
|
/* We must copy these reloc types into the
|
|
output file. Create a reloc section in
|
|
dynobj and make room for this reloc. */
|
|
sreloc = _bfd_elf_create_ifunc_dyn_reloc
|
|
(abfd, info, sec, sreloc,
|
|
&((struct elf_i386_link_hash_entry *) h)->dyn_relocs);
|
|
if (sreloc == NULL)
|
|
return FALSE;
|
|
}
|
|
break;
|
|
|
|
case R_386_PC32:
|
|
h->non_got_ref = 1;
|
|
break;
|
|
|
|
case R_386_PLT32:
|
|
break;
|
|
|
|
case R_386_GOT32:
|
|
case R_386_GOTOFF:
|
|
h->got.refcount += 1;
|
|
if (htab->elf.sgot == NULL
|
|
&& !_bfd_elf_create_got_section (htab->elf.dynobj,
|
|
info))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
if (! elf_i386_tls_transition (info, abfd, sec, NULL,
|
if (! elf_i386_tls_transition (info, abfd, sec, NULL,
|
symtab_hdr, sym_hashes,
|
symtab_hdr, sym_hashes,
|
&r_type, GOT_UNKNOWN,
|
&r_type, GOT_UNKNOWN,
|
rel, rel_end, h))
|
rel, rel_end, h, r_symndx))
|
return FALSE;
|
return FALSE;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_386_TLS_LDM:
|
case R_386_TLS_LDM:
|
| Line 1275... |
Line 1458... |
break;
|
break;
|
|
|
case R_386_TLS_IE_32:
|
case R_386_TLS_IE_32:
|
case R_386_TLS_IE:
|
case R_386_TLS_IE:
|
case R_386_TLS_GOTIE:
|
case R_386_TLS_GOTIE:
|
if (info->shared)
|
if (!info->executable)
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
/* Fall through */
|
/* Fall through */
|
|
|
case R_386_GOT32:
|
case R_386_GOT32:
|
case R_386_TLS_GD:
|
case R_386_TLS_GD:
|
| Line 1326... |
Line 1509... |
bfd_size_type size;
|
bfd_size_type size;
|
|
|
size = symtab_hdr->sh_info;
|
size = symtab_hdr->sh_info;
|
size *= (sizeof (bfd_signed_vma)
|
size *= (sizeof (bfd_signed_vma)
|
+ sizeof (bfd_vma) + sizeof(char));
|
+ sizeof (bfd_vma) + sizeof(char));
|
local_got_refcounts = bfd_zalloc (abfd, size);
|
local_got_refcounts = (bfd_signed_vma *)
|
|
bfd_zalloc (abfd, size);
|
if (local_got_refcounts == NULL)
|
if (local_got_refcounts == NULL)
|
return FALSE;
|
return FALSE;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
elf_local_got_refcounts (abfd) = local_got_refcounts;
|
elf_i386_local_tlsdesc_gotent (abfd)
|
elf_i386_local_tlsdesc_gotent (abfd)
|
= (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info);
|
= (bfd_vma *) (local_got_refcounts + symtab_hdr->sh_info);
|
| Line 1354... |
Line 1538... |
else if (GOT_TLS_GD_ANY_P (old_tls_type)
|
else if (GOT_TLS_GD_ANY_P (old_tls_type)
|
&& GOT_TLS_GD_ANY_P (tls_type))
|
&& GOT_TLS_GD_ANY_P (tls_type))
|
tls_type |= old_tls_type;
|
tls_type |= old_tls_type;
|
else
|
else
|
{
|
{
|
|
if (h)
|
|
name = h->root.root.string;
|
|
else
|
|
name = bfd_elf_sym_name (abfd, symtab_hdr, isym,
|
|
NULL);
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: `%s' accessed both as normal and "
|
(_("%B: `%s' accessed both as normal and "
|
"thread local symbol"),
|
"thread local symbol"),
|
abfd,
|
abfd, name);
|
h ? h->root.root.string : "<local>");
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (old_tls_type != tls_type)
|
if (old_tls_type != tls_type)
|
| Line 1376... |
Line 1564... |
/* Fall through */
|
/* Fall through */
|
|
|
case R_386_GOTOFF:
|
case R_386_GOTOFF:
|
case R_386_GOTPC:
|
case R_386_GOTPC:
|
create_got:
|
create_got:
|
if (htab->sgot == NULL)
|
if (htab->elf.sgot == NULL)
|
{
|
{
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
if (!create_got_section (htab->elf.dynobj, info))
|
if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (r_type != R_386_TLS_IE)
|
if (r_type != R_386_TLS_IE)
|
break;
|
break;
|
/* Fall through */
|
/* Fall through */
|
|
|
case R_386_TLS_LE_32:
|
case R_386_TLS_LE_32:
|
case R_386_TLS_LE:
|
case R_386_TLS_LE:
|
if (!info->shared)
|
if (info->executable)
|
break;
|
break;
|
info->flags |= DF_STATIC_TLS;
|
info->flags |= DF_STATIC_TLS;
|
/* Fall through */
|
/* Fall through */
|
|
|
case R_386_32:
|
case R_386_32:
|
case R_386_PC32:
|
case R_386_PC32:
|
if (h != NULL && !info->shared)
|
if (h != NULL && info->executable)
|
{
|
{
|
/* If this reloc is in a read-only section, we might
|
/* If this reloc is in a read-only section, we might
|
need a copy reloc. We can't check reliably at this
|
need a copy reloc. We can't check reliably at this
|
stage whether the section is read-only, as input
|
stage whether the section is read-only, as input
|
sections have not yet been mapped to output sections.
|
sections have not yet been mapped to output sections.
|
| Line 1448... |
Line 1636... |
&& (sec->flags & SEC_ALLOC) != 0
|
&& (sec->flags & SEC_ALLOC) != 0
|
&& h != NULL
|
&& h != NULL
|
&& (h->root.type == bfd_link_hash_defweak
|
&& (h->root.type == bfd_link_hash_defweak
|
|| !h->def_regular)))
|
|| !h->def_regular)))
|
{
|
{
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
struct elf_i386_dyn_relocs **head;
|
struct elf_dyn_relocs **head;
|
|
|
/* We must copy these reloc types into the output file.
|
/* We must copy these reloc types into the output file.
|
Create a reloc section in dynobj and make room for
|
Create a reloc section in dynobj and make room for
|
this reloc. */
|
this reloc. */
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
const char *name;
|
|
bfd *dynobj;
|
|
unsigned int strndx = elf_elfheader (abfd)->e_shstrndx;
|
|
unsigned int shnam = elf_section_data (sec)->rel_hdr.sh_name;
|
|
|
|
name = bfd_elf_string_from_elf_section (abfd, strndx, shnam);
|
|
if (name == NULL)
|
|
return FALSE;
|
|
|
|
if (! CONST_STRNEQ (name, ".rel")
|
|
|| strcmp (bfd_get_section_name (abfd, sec),
|
|
name + 4) != 0)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: bad relocation section name `%s\'"),
|
|
abfd, name);
|
|
}
|
|
|
|
if (htab->elf.dynobj == NULL)
|
if (htab->elf.dynobj == NULL)
|
htab->elf.dynobj = abfd;
|
htab->elf.dynobj = abfd;
|
|
|
dynobj = htab->elf.dynobj;
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
sreloc = bfd_get_section_by_name (dynobj, name);
|
(sec, htab->elf.dynobj, 2, abfd, /*rela?*/ FALSE);
|
if (sreloc == NULL)
|
|
{
|
|
flagword flags;
|
|
|
|
flags = (SEC_HAS_CONTENTS | SEC_READONLY
|
if (sreloc == NULL)
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
|
if ((sec->flags & SEC_ALLOC) != 0)
|
|
flags |= SEC_ALLOC | SEC_LOAD;
|
|
sreloc = bfd_make_section_with_flags (dynobj,
|
|
name,
|
|
flags);
|
|
if (sreloc == NULL
|
|
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
elf_section_data (sec)->sreloc = sreloc;
|
|
}
|
|
|
|
/* If this is a global symbol, we count the number of
|
/* If this is a global symbol, we count the number of
|
relocations we need for this symbol. */
|
relocations we need for this symbol. */
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
head = &((struct elf_i386_link_hash_entry *) h)->dyn_relocs;
|
head = &((struct elf_i386_link_hash_entry *) h)->dyn_relocs;
|
}
|
}
|
else
|
else
|
{
|
{
|
void **vpp;
|
|
/* Track dynamic relocs needed for local syms too.
|
/* Track dynamic relocs needed for local syms too.
|
We really need local syms available to do this
|
We really need local syms available to do this
|
easily. Oh well. */
|
easily. Oh well. */
|
|
void **vpp;
|
asection *s;
|
asection *s;
|
s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
|
Elf_Internal_Sym *isym;
|
sec, r_symndx);
|
|
if (s == NULL)
|
isym = bfd_sym_from_r_symndx (&htab->sym_cache,
|
|
abfd, r_symndx);
|
|
if (isym == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
|
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
|
|
if (s == NULL)
|
|
s = sec;
|
|
|
vpp = &elf_section_data (s)->local_dynrel;
|
vpp = &elf_section_data (s)->local_dynrel;
|
head = (struct elf_i386_dyn_relocs **)vpp;
|
head = (struct elf_dyn_relocs **)vpp;
|
}
|
}
|
|
|
p = *head;
|
p = *head;
|
if (p == NULL || p->sec != sec)
|
if (p == NULL || p->sec != sec)
|
{
|
{
|
bfd_size_type amt = sizeof *p;
|
bfd_size_type amt = sizeof *p;
|
p = bfd_alloc (htab->elf.dynobj, amt);
|
p = (struct elf_dyn_relocs *) bfd_alloc (htab->elf.dynobj,
|
|
amt);
|
if (p == NULL)
|
if (p == NULL)
|
return FALSE;
|
return FALSE;
|
p->next = *head;
|
p->next = *head;
|
*head = p;
|
*head = p;
|
p->sec = sec;
|
p->sec = sec;
|
| Line 1618... |
Line 1781... |
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx >= symtab_hdr->sh_info)
|
if (r_symndx >= symtab_hdr->sh_info)
|
{
|
{
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_dyn_relocs **pp;
|
struct elf_dyn_relocs **pp;
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
| Line 1640... |
Line 1803... |
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
r_type = ELF32_R_TYPE (rel->r_info);
|
if (! elf_i386_tls_transition (info, abfd, sec, NULL,
|
if (! elf_i386_tls_transition (info, abfd, sec, NULL,
|
symtab_hdr, sym_hashes,
|
symtab_hdr, sym_hashes,
|
&r_type, GOT_UNKNOWN,
|
&r_type, GOT_UNKNOWN,
|
rel, relend, h))
|
rel, relend, h, r_symndx))
|
return FALSE;
|
return FALSE;
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_386_TLS_LDM:
|
case R_386_TLS_LDM:
|
| Line 1704... |
Line 1867... |
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
struct elf_i386_link_hash_table *htab;
|
struct elf_i386_link_hash_table *htab;
|
asection *s;
|
asection *s;
|
|
|
|
/* STT_GNU_IFUNC symbol must go through PLT. */
|
|
if (h->type == STT_GNU_IFUNC)
|
|
{
|
|
if (h->plt.refcount <= 0)
|
|
{
|
|
h->plt.offset = (bfd_vma) -1;
|
|
h->needs_plt = 0;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
/* If this is a function, put it in the procedure linkage table. We
|
/* If this is a function, put it in the procedure linkage table. We
|
will fill in the contents of the procedure linkage table later,
|
will fill in the contents of the procedure linkage table later,
|
when we know the address of the .got section. */
|
when we know the address of the .got section. */
|
if (h->type == STT_FUNC
|
if (h->type == STT_FUNC
|
|| h->needs_plt)
|
|| h->needs_plt)
|
| Line 1779... |
Line 1953... |
doesn't work on VxWorks, where we can not have dynamic relocations
|
doesn't work on VxWorks, where we can not have dynamic relocations
|
(other than copy and jump slot relocations) in an executable. */
|
(other than copy and jump slot relocations) in an executable. */
|
if (ELIMINATE_COPY_RELOCS && !htab->is_vxworks)
|
if (ELIMINATE_COPY_RELOCS && !htab->is_vxworks)
|
{
|
{
|
struct elf_i386_link_hash_entry * eh;
|
struct elf_i386_link_hash_entry * eh;
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
eh = (struct elf_i386_link_hash_entry *) h;
|
eh = (struct elf_i386_link_hash_entry *) h;
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
s = p->sec->output_section;
|
s = p->sec->output_section;
|
| Line 1831... |
Line 2005... |
|
|
/* Allocate space in .plt, .got and associated reloc sections for
|
/* Allocate space in .plt, .got and associated reloc sections for
|
dynamic relocs. */
|
dynamic relocs. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
elf_i386_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct bfd_link_info *info;
|
struct bfd_link_info *info;
|
struct elf_i386_link_hash_table *htab;
|
struct elf_i386_link_hash_table *htab;
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
if (h->root.type == bfd_link_hash_indirect)
|
if (h->root.type == bfd_link_hash_indirect)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
/* When warning symbols are created, they **replace** the "real"
|
/* When warning symbols are created, they **replace** the "real"
|
entry in the hash table, thus we never get to see the real
|
entry in the hash table, thus we never get to see the real
|
symbol in a hash traversal. So look at it now. */
|
symbol in a hash traversal. So look at it now. */
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
eh = (struct elf_i386_link_hash_entry *) h;
|
|
|
info = (struct bfd_link_info *) inf;
|
info = (struct bfd_link_info *) inf;
|
htab = elf_i386_hash_table (info);
|
htab = elf_i386_hash_table (info);
|
|
|
if (htab->elf.dynamic_sections_created
|
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
|
|
here if it is defined and referenced in a non-shared object. */
|
|
if (h->type == STT_GNU_IFUNC
|
|
&& h->def_regular)
|
|
return _bfd_elf_allocate_ifunc_dyn_relocs (info, h,
|
|
&eh->dyn_relocs,
|
|
PLT_ENTRY_SIZE, 4);
|
|
else if (htab->elf.dynamic_sections_created
|
&& h->plt.refcount > 0)
|
&& h->plt.refcount > 0)
|
{
|
{
|
/* Make sure this symbol is output as a dynamic symbol.
|
/* Make sure this symbol is output as a dynamic symbol.
|
Undefined weak syms won't yet be marked as dynamic. */
|
Undefined weak syms won't yet be marked as dynamic. */
|
if (h->dynindx == -1
|
if (h->dynindx == -1
|
| Line 1865... |
Line 2047... |
}
|
}
|
|
|
if (info->shared
|
if (info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
|
{
|
{
|
asection *s = htab->splt;
|
asection *s = htab->elf.splt;
|
|
|
/* If this is the first .plt entry, make room for the special
|
/* If this is the first .plt entry, make room for the special
|
first entry. */
|
first entry. */
|
if (s->size == 0)
|
if (s->size == 0)
|
s->size += PLT_ENTRY_SIZE;
|
s->size += PLT_ENTRY_SIZE;
|
| Line 1891... |
Line 2073... |
/* Make room for this entry. */
|
/* Make room for this entry. */
|
s->size += PLT_ENTRY_SIZE;
|
s->size += PLT_ENTRY_SIZE;
|
|
|
/* We also need to make an entry in the .got.plt section, which
|
/* We also need to make an entry in the .got.plt section, which
|
will be placed in the .got section by the linker script. */
|
will be placed in the .got section by the linker script. */
|
htab->sgotplt->size += 4;
|
htab->elf.sgotplt->size += 4;
|
|
|
/* We also need to make an entry in the .rel.plt section. */
|
/* We also need to make an entry in the .rel.plt section. */
|
htab->srelplt->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelplt->size += sizeof (Elf32_External_Rel);
|
htab->next_tls_desc_index++;
|
htab->next_tls_desc_index++;
|
|
|
if (htab->is_vxworks && !info->shared)
|
if (htab->is_vxworks && !info->shared)
|
{
|
{
|
/* VxWorks has a second set of relocations for each PLT entry
|
/* VxWorks has a second set of relocations for each PLT entry
|
| Line 1929... |
Line 2111... |
{
|
{
|
h->plt.offset = (bfd_vma) -1;
|
h->plt.offset = (bfd_vma) -1;
|
h->needs_plt = 0;
|
h->needs_plt = 0;
|
}
|
}
|
|
|
eh = (struct elf_i386_link_hash_entry *) h;
|
|
eh->tlsdesc_got = (bfd_vma) -1;
|
eh->tlsdesc_got = (bfd_vma) -1;
|
|
|
/* If R_386_TLS_{IE_32,IE,GOTIE} symbol is now local to the binary,
|
/* If R_386_TLS_{IE_32,IE,GOTIE} symbol is now local to the binary,
|
make it a R_386_TLS_LE_32 requiring no TLS entry. */
|
make it a R_386_TLS_LE_32 requiring no TLS entry. */
|
if (h->got.refcount > 0
|
if (h->got.refcount > 0
|
&& !info->shared
|
&& info->executable
|
&& h->dynindx == -1
|
&& h->dynindx == -1
|
&& (elf_i386_hash_entry(h)->tls_type & GOT_TLS_IE))
|
&& (elf_i386_hash_entry(h)->tls_type & GOT_TLS_IE))
|
h->got.offset = (bfd_vma) -1;
|
h->got.offset = (bfd_vma) -1;
|
else if (h->got.refcount > 0)
|
else if (h->got.refcount > 0)
|
{
|
{
|
| Line 1954... |
Line 2135... |
{
|
{
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
if (! bfd_elf_link_record_dynamic_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
s = htab->sgot;
|
s = htab->elf.sgot;
|
if (GOT_TLS_GDESC_P (tls_type))
|
if (GOT_TLS_GDESC_P (tls_type))
|
{
|
{
|
eh->tlsdesc_got = htab->sgotplt->size
|
eh->tlsdesc_got = htab->elf.sgotplt->size
|
- elf_i386_compute_jump_table_size (htab);
|
- elf_i386_compute_jump_table_size (htab);
|
htab->sgotplt->size += 8;
|
htab->elf.sgotplt->size += 8;
|
h->got.offset = (bfd_vma) -2;
|
h->got.offset = (bfd_vma) -2;
|
}
|
}
|
if (! GOT_TLS_GDESC_P (tls_type)
|
if (! GOT_TLS_GDESC_P (tls_type)
|
|| GOT_TLS_GD_P (tls_type))
|
|| GOT_TLS_GD_P (tls_type))
|
{
|
{
|
| Line 1978... |
Line 2159... |
R_386_TLS_IE resp. R_386_TLS_GOTIE needs one dynamic relocation,
|
R_386_TLS_IE resp. R_386_TLS_GOTIE needs one dynamic relocation,
|
(but if both R_386_TLS_IE_32 and R_386_TLS_IE is present, we
|
(but if both R_386_TLS_IE_32 and R_386_TLS_IE is present, we
|
need two), R_386_TLS_GD needs one if local symbol and two if
|
need two), R_386_TLS_GD needs one if local symbol and two if
|
global. */
|
global. */
|
if (tls_type == GOT_TLS_IE_BOTH)
|
if (tls_type == GOT_TLS_IE_BOTH)
|
htab->srelgot->size += 2 * sizeof (Elf32_External_Rel);
|
htab->elf.srelgot->size += 2 * sizeof (Elf32_External_Rel);
|
else if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1)
|
else if ((GOT_TLS_GD_P (tls_type) && h->dynindx == -1)
|
|| (tls_type & GOT_TLS_IE))
|
|| (tls_type & GOT_TLS_IE))
|
htab->srelgot->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelgot->size += sizeof (Elf32_External_Rel);
|
else if (GOT_TLS_GD_P (tls_type))
|
else if (GOT_TLS_GD_P (tls_type))
|
htab->srelgot->size += 2 * sizeof (Elf32_External_Rel);
|
htab->elf.srelgot->size += 2 * sizeof (Elf32_External_Rel);
|
else if (! GOT_TLS_GDESC_P (tls_type)
|
else if (! GOT_TLS_GDESC_P (tls_type)
|
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
&& (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| h->root.type != bfd_link_hash_undefweak)
|
|| h->root.type != bfd_link_hash_undefweak)
|
&& (info->shared
|
&& (info->shared
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
|
htab->srelgot->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelgot->size += sizeof (Elf32_External_Rel);
|
if (GOT_TLS_GDESC_P (tls_type))
|
if (GOT_TLS_GDESC_P (tls_type))
|
htab->srelplt->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelplt->size += sizeof (Elf32_External_Rel);
|
}
|
}
|
else
|
else
|
h->got.offset = (bfd_vma) -1;
|
h->got.offset = (bfd_vma) -1;
|
|
|
if (eh->dyn_relocs == NULL)
|
if (eh->dyn_relocs == NULL)
|
| Line 2015... |
Line 2196... |
function rather than going via the plt. If people want
|
function rather than going via the plt. If people want
|
function pointer comparisons to work as expected then they
|
function pointer comparisons to work as expected then they
|
should avoid writing assembly like ".long foo - .". */
|
should avoid writing assembly like ".long foo - .". */
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
if (SYMBOL_CALLS_LOCAL (info, h))
|
{
|
{
|
struct elf_i386_dyn_relocs **pp;
|
struct elf_dyn_relocs **pp;
|
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
{
|
{
|
p->count -= p->pc_count;
|
p->count -= p->pc_count;
|
p->pc_count = 0;
|
p->pc_count = 0;
|
| Line 2028... |
Line 2209... |
else
|
else
|
pp = &p->next;
|
pp = &p->next;
|
}
|
}
|
}
|
}
|
|
|
|
if (htab->is_vxworks)
|
|
{
|
|
struct elf_dyn_relocs **pp;
|
|
for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
|
|
{
|
|
if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
|
|
*pp = p->next;
|
|
else
|
|
pp = &p->next;
|
|
}
|
|
}
|
|
|
/* Also discard relocs on undefined weak syms with non-default
|
/* Also discard relocs on undefined weak syms with non-default
|
visibility. */
|
visibility. */
|
if (eh->dyn_relocs != NULL
|
if (eh->dyn_relocs != NULL
|
&& h->root.type == bfd_link_hash_undefweak)
|
&& h->root.type == bfd_link_hash_undefweak)
|
{
|
{
|
| Line 2082... |
Line 2275... |
}
|
}
|
|
|
/* Finally, allocate space. */
|
/* Finally, allocate space. */
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
for (p = eh->dyn_relocs; p != NULL; p = p->next)
|
{
|
{
|
asection *sreloc = elf_section_data (p->sec)->sreloc;
|
asection *sreloc;
|
|
|
|
sreloc = elf_section_data (p->sec)->sreloc;
|
|
|
|
BFD_ASSERT (sreloc != NULL);
|
sreloc->size += p->count * sizeof (Elf32_External_Rel);
|
sreloc->size += p->count * sizeof (Elf32_External_Rel);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* Allocate space in .plt, .got and associated reloc sections for
|
|
local dynamic relocs. */
|
|
|
|
static bfd_boolean
|
|
elf_i386_allocate_local_dynrelocs (void **slot, void *inf)
|
|
{
|
|
struct elf_link_hash_entry *h
|
|
= (struct elf_link_hash_entry *) *slot;
|
|
|
|
if (h->type != STT_GNU_IFUNC
|
|
|| !h->def_regular
|
|
|| !h->ref_regular
|
|
|| !h->forced_local
|
|
|| h->root.type != bfd_link_hash_defined)
|
|
abort ();
|
|
|
|
return elf_i386_allocate_dynrelocs (h, inf);
|
|
}
|
|
|
/* Find any dynamic relocs that apply to read-only sections. */
|
/* Find any dynamic relocs that apply to read-only sections. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
elf_i386_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf)
|
{
|
{
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_link_hash_entry *eh;
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
eh = (struct elf_i386_link_hash_entry *) h;
|
eh = (struct elf_i386_link_hash_entry *) h;
|
| Line 2165... |
Line 2381... |
if (! is_i386_elf (ibfd))
|
if (! is_i386_elf (ibfd))
|
continue;
|
continue;
|
|
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
for (s = ibfd->sections; s != NULL; s = s->next)
|
{
|
{
|
struct elf_i386_dyn_relocs *p;
|
struct elf_dyn_relocs *p;
|
|
|
for (p = ((struct elf_i386_dyn_relocs *)
|
for (p = ((struct elf_dyn_relocs *)
|
elf_section_data (s)->local_dynrel);
|
elf_section_data (s)->local_dynrel);
|
p != NULL;
|
p != NULL;
|
p = p->next)
|
p = p->next)
|
{
|
{
|
if (!bfd_is_abs_section (p->sec)
|
if (!bfd_is_abs_section (p->sec)
|
| Line 2180... |
Line 2396... |
/* Input section has been discarded, either because
|
/* Input section has been discarded, either because
|
it is a copy of a linkonce section or due to
|
it is a copy of a linkonce section or due to
|
linker script /DISCARD/, so we'll be discarding
|
linker script /DISCARD/, so we'll be discarding
|
the relocs too. */
|
the relocs too. */
|
}
|
}
|
|
else if (htab->is_vxworks
|
|
&& strcmp (p->sec->output_section->name,
|
|
".tls_vars") == 0)
|
|
{
|
|
/* Relocations in vxworks .tls_vars sections are
|
|
handled specially by the loader. */
|
|
}
|
else if (p->count != 0)
|
else if (p->count != 0)
|
{
|
{
|
srel = elf_section_data (p->sec)->sreloc;
|
srel = elf_section_data (p->sec)->sreloc;
|
srel->size += p->count * sizeof (Elf32_External_Rel);
|
srel->size += p->count * sizeof (Elf32_External_Rel);
|
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
|
if ((p->sec->output_section->flags & SEC_READONLY) != 0)
|
| Line 2199... |
Line 2422... |
symtab_hdr = &elf_symtab_hdr (ibfd);
|
symtab_hdr = &elf_symtab_hdr (ibfd);
|
locsymcount = symtab_hdr->sh_info;
|
locsymcount = symtab_hdr->sh_info;
|
end_local_got = local_got + locsymcount;
|
end_local_got = local_got + locsymcount;
|
local_tls_type = elf_i386_local_got_tls_type (ibfd);
|
local_tls_type = elf_i386_local_got_tls_type (ibfd);
|
local_tlsdesc_gotent = elf_i386_local_tlsdesc_gotent (ibfd);
|
local_tlsdesc_gotent = elf_i386_local_tlsdesc_gotent (ibfd);
|
s = htab->sgot;
|
s = htab->elf.sgot;
|
srel = htab->srelgot;
|
srel = htab->elf.srelgot;
|
for (; local_got < end_local_got;
|
for (; local_got < end_local_got;
|
++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
|
++local_got, ++local_tls_type, ++local_tlsdesc_gotent)
|
{
|
{
|
*local_tlsdesc_gotent = (bfd_vma) -1;
|
*local_tlsdesc_gotent = (bfd_vma) -1;
|
if (*local_got > 0)
|
if (*local_got > 0)
|
{
|
{
|
if (GOT_TLS_GDESC_P (*local_tls_type))
|
if (GOT_TLS_GDESC_P (*local_tls_type))
|
{
|
{
|
*local_tlsdesc_gotent = htab->sgotplt->size
|
*local_tlsdesc_gotent = htab->elf.sgotplt->size
|
- elf_i386_compute_jump_table_size (htab);
|
- elf_i386_compute_jump_table_size (htab);
|
htab->sgotplt->size += 8;
|
htab->elf.sgotplt->size += 8;
|
*local_got = (bfd_vma) -2;
|
*local_got = (bfd_vma) -2;
|
}
|
}
|
if (! GOT_TLS_GDESC_P (*local_tls_type)
|
if (! GOT_TLS_GDESC_P (*local_tls_type)
|
|| GOT_TLS_GD_P (*local_tls_type))
|
|| GOT_TLS_GD_P (*local_tls_type))
|
{
|
{
|
| Line 2233... |
Line 2456... |
srel->size += 2 * sizeof (Elf32_External_Rel);
|
srel->size += 2 * sizeof (Elf32_External_Rel);
|
else if (GOT_TLS_GD_P (*local_tls_type)
|
else if (GOT_TLS_GD_P (*local_tls_type)
|
|| ! GOT_TLS_GDESC_P (*local_tls_type))
|
|| ! GOT_TLS_GDESC_P (*local_tls_type))
|
srel->size += sizeof (Elf32_External_Rel);
|
srel->size += sizeof (Elf32_External_Rel);
|
if (GOT_TLS_GDESC_P (*local_tls_type))
|
if (GOT_TLS_GDESC_P (*local_tls_type))
|
htab->srelplt->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelplt->size += sizeof (Elf32_External_Rel);
|
}
|
}
|
}
|
}
|
else
|
else
|
*local_got = (bfd_vma) -1;
|
*local_got = (bfd_vma) -1;
|
}
|
}
|
| Line 2245... |
Line 2468... |
|
|
if (htab->tls_ldm_got.refcount > 0)
|
if (htab->tls_ldm_got.refcount > 0)
|
{
|
{
|
/* Allocate 2 got entries and 1 dynamic reloc for R_386_TLS_LDM
|
/* Allocate 2 got entries and 1 dynamic reloc for R_386_TLS_LDM
|
relocs. */
|
relocs. */
|
htab->tls_ldm_got.offset = htab->sgot->size;
|
htab->tls_ldm_got.offset = htab->elf.sgot->size;
|
htab->sgot->size += 8;
|
htab->elf.sgot->size += 8;
|
htab->srelgot->size += sizeof (Elf32_External_Rel);
|
htab->elf.srelgot->size += sizeof (Elf32_External_Rel);
|
}
|
}
|
else
|
else
|
htab->tls_ldm_got.offset = -1;
|
htab->tls_ldm_got.offset = -1;
|
|
|
/* Allocate global sym .plt and .got entries, and space for global
|
/* Allocate global sym .plt and .got entries, and space for global
|
sym dynamic relocs. */
|
sym dynamic relocs. */
|
elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
|
elf_link_hash_traverse (&htab->elf, elf_i386_allocate_dynrelocs, info);
|
|
|
|
/* Allocate .plt and .got entries, and space for local symbols. */
|
|
htab_traverse (htab->loc_hash_table,
|
|
elf_i386_allocate_local_dynrelocs,
|
|
info);
|
|
|
/* For every jump slot reserved in the sgotplt, reloc_count is
|
/* For every jump slot reserved in the sgotplt, reloc_count is
|
incremented. However, when we reserve space for TLS descriptors,
|
incremented. However, when we reserve space for TLS descriptors,
|
it's not incremented, so in order to compute the space reserved
|
it's not incremented, so in order to compute the space reserved
|
for them, it suffices to multiply the reloc count by the jump
|
for them, it suffices to multiply the reloc count by the jump
|
slot size. */
|
slot size. */
|
if (htab->srelplt)
|
if (htab->elf.srelplt)
|
htab->sgotplt_jump_table_size = htab->next_tls_desc_index * 4;
|
htab->sgotplt_jump_table_size = htab->next_tls_desc_index * 4;
|
|
|
/* We now have determined the sizes of the various dynamic sections.
|
/* We now have determined the sizes of the various dynamic sections.
|
Allocate memory for them. */
|
Allocate memory for them. */
|
relocs = FALSE;
|
relocs = FALSE;
|
| Line 2274... |
Line 2502... |
bfd_boolean strip_section = TRUE;
|
bfd_boolean strip_section = TRUE;
|
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
continue;
|
continue;
|
|
|
if (s == htab->splt
|
if (s == htab->elf.splt
|
|| s == htab->sgot
|
|| s == htab->elf.sgot
|
|| s == htab->sgotplt
|
|| s == htab->elf.sgotplt
|
|
|| s == htab->elf.iplt
|
|
|| s == htab->elf.igotplt
|
|| s == htab->sdynbss)
|
|| s == htab->sdynbss)
|
{
|
{
|
/* Strip this section if we don't need it; see the
|
/* Strip this section if we don't need it; see the
|
comment below. */
|
comment below. */
|
/* We'd like to strip these sections if they aren't needed, but if
|
/* We'd like to strip these sections if they aren't needed, but if
|
| Line 2290... |
Line 2520... |
if (htab->elf.hplt != NULL)
|
if (htab->elf.hplt != NULL)
|
strip_section = FALSE;
|
strip_section = FALSE;
|
}
|
}
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rel"))
|
else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rel"))
|
{
|
{
|
if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2)
|
if (s->size != 0
|
|
&& s != htab->elf.srelplt
|
|
&& s != htab->srelplt2)
|
relocs = TRUE;
|
relocs = TRUE;
|
|
|
/* We use the reloc_count field as a counter if we need
|
/* We use the reloc_count field as a counter if we need
|
to copy relocs into the output file. */
|
to copy relocs into the output file. */
|
s->reloc_count = 0;
|
s->reloc_count = 0;
|
| Line 2327... |
Line 2559... |
/* Allocate memory for the section contents. We use bfd_zalloc
|
/* Allocate memory for the section contents. We use bfd_zalloc
|
here in case unused entries are not reclaimed before the
|
here in case unused entries are not reclaimed before the
|
section's contents are written out. This should not happen,
|
section's contents are written out. This should not happen,
|
but this way if it does, we get a R_386_NONE reloc instead
|
but this way if it does, we get a R_386_NONE reloc instead
|
of garbage. */
|
of garbage. */
|
s->contents = bfd_zalloc (dynobj, s->size);
|
s->contents = (unsigned char *) bfd_zalloc (dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
| Line 2348... |
Line 2580... |
{
|
{
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (htab->splt->size != 0)
|
if (htab->elf.splt->size != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTREL, DT_REL)
|
|| !add_dynamic_entry (DT_PLTREL, DT_REL)
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
| Line 2367... |
Line 2599... |
return FALSE;
|
return FALSE;
|
|
|
/* If any dynamic relocs apply to a read-only section,
|
/* If any dynamic relocs apply to a read-only section,
|
then we need a DT_TEXTREL entry. */
|
then we need a DT_TEXTREL entry. */
|
if ((info->flags & DF_TEXTREL) == 0)
|
if ((info->flags & DF_TEXTREL) == 0)
|
elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
|
elf_link_hash_traverse (&htab->elf,
|
(PTR) info);
|
elf_i386_readonly_dynrelocs, info);
|
|
|
if ((info->flags & DF_TEXTREL) != 0)
|
if ((info->flags & DF_TEXTREL) != 0)
|
{
|
{
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
return FALSE;
|
return FALSE;
|
| Line 2410... |
Line 2642... |
if (!(_bfd_generic_link_add_one_symbol
|
if (!(_bfd_generic_link_add_one_symbol
|
(info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL,
|
(info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL,
|
tls_sec, 0, NULL, FALSE,
|
tls_sec, 0, NULL, FALSE,
|
bed->collect, &bh)))
|
bed->collect, &bh)))
|
return FALSE;
|
return FALSE;
|
|
|
|
elf_i386_hash_table (info)->tls_module_base = bh;
|
|
|
tlsbase = (struct elf_link_hash_entry *)bh;
|
tlsbase = (struct elf_link_hash_entry *)bh;
|
tlsbase->def_regular = 1;
|
tlsbase->def_regular = 1;
|
tlsbase->other = STV_HIDDEN;
|
tlsbase->other = STV_HIDDEN;
|
(*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
|
(*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
|
}
|
}
|
| Line 2454... |
Line 2689... |
hdr->sh_type = SHT_PROGBITS;
|
hdr->sh_type = SHT_PROGBITS;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* _TLS_MODULE_BASE_ needs to be treated especially when linking
|
|
executables. Rather than setting it to the beginning of the TLS
|
|
section, we have to set it to the end. This function may be called
|
|
multiple times, it is idempotent. */
|
|
|
|
static void
|
|
elf_i386_set_tls_module_base (struct bfd_link_info *info)
|
|
{
|
|
struct bfd_link_hash_entry *base;
|
|
|
|
if (!info->executable)
|
|
return;
|
|
|
|
base = elf_i386_hash_table (info)->tls_module_base;
|
|
|
|
if (!base)
|
|
return;
|
|
|
|
base->u.def.value = elf_hash_table (info)->tls_size;
|
|
}
|
|
|
/* Return the base VMA address which should be subtracted from real addresses
|
/* Return the base VMA address which should be subtracted from real addresses
|
when resolving @dtpoff relocation.
|
when resolving @dtpoff relocation.
|
This is PT_TLS segment p_vaddr. */
|
This is PT_TLS segment p_vaddr. */
|
|
|
static bfd_vma
|
static bfd_vma
|
dtpoff_base (struct bfd_link_info *info)
|
elf_i386_dtpoff_base (struct bfd_link_info *info)
|
{
|
{
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
if (elf_hash_table (info)->tls_sec == NULL)
|
if (elf_hash_table (info)->tls_sec == NULL)
|
return 0;
|
return 0;
|
return elf_hash_table (info)->tls_sec->vma;
|
return elf_hash_table (info)->tls_sec->vma;
|
| Line 2471... |
Line 2727... |
|
|
/* Return the relocation value for @tpoff relocation
|
/* Return the relocation value for @tpoff relocation
|
if STT_TLS virtual address is ADDRESS. */
|
if STT_TLS virtual address is ADDRESS. */
|
|
|
static bfd_vma
|
static bfd_vma
|
tpoff (struct bfd_link_info *info, bfd_vma address)
|
elf_i386_tpoff (struct bfd_link_info *info, bfd_vma address)
|
{
|
{
|
struct elf_link_hash_table *htab = elf_hash_table (info);
|
struct elf_link_hash_table *htab = elf_hash_table (info);
|
|
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
/* If tls_sec is NULL, we should have signalled an error already. */
|
if (htab->tls_sec == NULL)
|
if (htab->tls_sec == NULL)
|
| Line 2500... |
Line 2756... |
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_tlsdesc_gotents;
|
bfd_vma *local_tlsdesc_gotents;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *rel;
|
Elf_Internal_Rela *relend;
|
Elf_Internal_Rela *relend;
|
|
bfd_boolean is_vxworks_tls;
|
|
|
BFD_ASSERT (is_i386_elf (input_bfd));
|
BFD_ASSERT (is_i386_elf (input_bfd));
|
|
|
htab = elf_i386_hash_table (info);
|
htab = elf_i386_hash_table (info);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
symtab_hdr = &elf_symtab_hdr (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
sym_hashes = elf_sym_hashes (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_tlsdesc_gotents = elf_i386_local_tlsdesc_gotent (input_bfd);
|
local_tlsdesc_gotents = elf_i386_local_tlsdesc_gotent (input_bfd);
|
|
/* We have to handle relocations in vxworks .tls_vars sections
|
|
specially, because the dynamic loader is 'weird'. */
|
|
is_vxworks_tls = (htab->is_vxworks && info->shared
|
|
&& !strcmp (input_section->output_section->name,
|
|
".tls_vars"));
|
|
|
|
elf_i386_set_tls_module_base (info);
|
|
|
rel = relocs;
|
rel = relocs;
|
relend = relocs + input_section->reloc_count;
|
relend = relocs + input_section->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
| Line 2535... |
Line 2799... |
|
|
if ((indx = r_type) >= R_386_standard
|
if ((indx = r_type) >= R_386_standard
|
&& ((indx = r_type - R_386_ext_offset) - R_386_standard
|
&& ((indx = r_type - R_386_ext_offset) - R_386_standard
|
>= R_386_ext - R_386_standard)
|
>= R_386_ext - R_386_standard)
|
&& ((indx = r_type - R_386_tls_offset) - R_386_ext
|
&& ((indx = r_type - R_386_tls_offset) - R_386_ext
|
>= R_386_tls - R_386_ext))
|
>= R_386_irelative - R_386_ext))
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: unrecognized relocation (0x%x) in section `%A'"),
|
(_("%B: unrecognized relocation (0x%x) in section `%A'"),
|
input_bfd, input_section, r_type);
|
input_bfd, input_section, r_type);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
| Line 2627... |
Line 2891... |
addend -= 4;
|
addend -= 4;
|
bfd_put_32 (input_bfd, addend, where);
|
bfd_put_32 (input_bfd, addend, where);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
else if (!info->relocatable
|
|
&& ELF32_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
|
{
|
|
/* Relocate against local STT_GNU_IFUNC symbol. */
|
|
h = elf_i386_get_local_sym_hash (htab, input_bfd,
|
|
rel, FALSE);
|
|
if (h == NULL)
|
|
abort ();
|
|
|
|
/* Set STT_GNU_IFUNC symbol value. */
|
|
h->root.u.def.value = sym->st_value;
|
|
h->root.u.def.section = sec;
|
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_boolean warned;
|
bfd_boolean warned;
|
|
|
| Line 2652... |
Line 2929... |
}
|
}
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
continue;
|
continue;
|
|
|
|
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle
|
|
it here if it is defined in a non-shared object. */
|
|
if (h != NULL
|
|
&& h->type == STT_GNU_IFUNC
|
|
&& h->def_regular)
|
|
{
|
|
asection *plt, *gotplt, *base_got;
|
|
bfd_vma plt_index;
|
|
const char *name;
|
|
|
|
if ((input_section->flags & SEC_ALLOC) == 0
|
|
|| h->plt.offset == (bfd_vma) -1)
|
|
abort ();
|
|
|
|
/* STT_GNU_IFUNC symbol must go through PLT. */
|
|
if (htab->elf.splt != NULL)
|
|
{
|
|
plt = htab->elf.splt;
|
|
gotplt = htab->elf.sgotplt;
|
|
}
|
|
else
|
|
{
|
|
plt = htab->elf.iplt;
|
|
gotplt = htab->elf.igotplt;
|
|
}
|
|
|
|
relocation = (plt->output_section->vma
|
|
+ plt->output_offset + h->plt.offset);
|
|
|
|
switch (r_type)
|
|
{
|
|
default:
|
|
if (h->root.root.string)
|
|
name = h->root.root.string;
|
|
else
|
|
name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
|
|
NULL);
|
|
(*_bfd_error_handler)
|
|
(_("%B: relocation %s against STT_GNU_IFUNC "
|
|
"symbol `%s' isn't handled by %s"), input_bfd,
|
|
elf_howto_table[r_type].name,
|
|
name, __FUNCTION__);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
|
|
case R_386_32:
|
|
/* Generate dynamic relcoation only when there is a
|
|
non-GOF reference in a shared object. */
|
|
if (info->shared && h->non_got_ref)
|
|
{
|
|
Elf_Internal_Rela outrel;
|
|
bfd_byte *loc;
|
|
asection *sreloc;
|
|
bfd_vma offset;
|
|
|
|
/* Need a dynamic relocation to get the real function
|
|
adddress. */
|
|
offset = _bfd_elf_section_offset (output_bfd,
|
|
info,
|
|
input_section,
|
|
rel->r_offset);
|
|
if (offset == (bfd_vma) -1
|
|
|| offset == (bfd_vma) -2)
|
|
abort ();
|
|
|
|
outrel.r_offset = (input_section->output_section->vma
|
|
+ input_section->output_offset
|
|
+ offset);
|
|
|
|
if (h->dynindx == -1
|
|
|| h->forced_local
|
|
|| info->executable)
|
|
{
|
|
/* This symbol is resolved locally. */
|
|
outrel.r_info = ELF32_R_INFO (0, R_386_IRELATIVE);
|
|
bfd_put_32 (output_bfd,
|
|
(h->root.u.def.value
|
|
+ h->root.u.def.section->output_section->vma
|
|
+ h->root.u.def.section->output_offset),
|
|
contents + offset);
|
|
}
|
|
else
|
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
|
|
|
sreloc = htab->elf.irelifunc;
|
|
loc = sreloc->contents;
|
|
loc += (sreloc->reloc_count++
|
|
* sizeof (Elf32_External_Rel));
|
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
|
|
|
/* 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. For an
|
|
internal symbol, we have updated addend. */
|
|
continue;
|
|
}
|
|
|
|
case R_386_PC32:
|
|
case R_386_PLT32:
|
|
goto do_relocation;
|
|
|
|
case R_386_GOT32:
|
|
base_got = htab->elf.sgot;
|
|
off = h->got.offset;
|
|
|
|
if (base_got == NULL)
|
|
abort ();
|
|
|
|
if (off == (bfd_vma) -1)
|
|
{
|
|
/* We can't use h->got.offset here to save state, or
|
|
even just remember the offset, as finish_dynamic_symbol
|
|
would use that as offset into .got. */
|
|
|
|
if (htab->elf.splt != NULL)
|
|
{
|
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
|
off = (plt_index + 3) * 4;
|
|
base_got = htab->elf.sgotplt;
|
|
}
|
|
else
|
|
{
|
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE;
|
|
off = plt_index * 4;
|
|
base_got = htab->elf.igotplt;
|
|
}
|
|
|
|
if (h->dynindx == -1
|
|
|| h->forced_local
|
|
|| info->symbolic)
|
|
{
|
|
/* This references the local defitionion. We must
|
|
initialize this entry in the global offset table.
|
|
Since the offset must always be a multiple of 8,
|
|
we use the least significant bit to record
|
|
whether we have initialized it already.
|
|
|
|
When doing a dynamic link, we create a .rela.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,
|
|
base_got->contents + off);
|
|
h->got.offset |= 1;
|
|
}
|
|
}
|
|
|
|
relocation = off;
|
|
|
|
/* Adjust for static executables. */
|
|
if (htab->elf.splt == NULL)
|
|
relocation += gotplt->output_offset;
|
|
}
|
|
else
|
|
{
|
|
relocation = (base_got->output_section->vma
|
|
+ base_got->output_offset + off
|
|
- gotplt->output_section->vma
|
|
- gotplt->output_offset);
|
|
/* Adjust for static executables. */
|
|
if (htab->elf.splt == NULL)
|
|
relocation += gotplt->output_offset;
|
|
}
|
|
|
|
goto do_relocation;
|
|
|
|
case R_386_GOTOFF:
|
|
relocation -= (gotplt->output_section->vma
|
|
+ gotplt->output_offset);
|
|
goto do_relocation;
|
|
}
|
|
}
|
|
|
switch (r_type)
|
switch (r_type)
|
{
|
{
|
case R_386_GOT32:
|
case R_386_GOT32:
|
/* Relocation is to the entry for this symbol in the global
|
/* Relocation is to the entry for this symbol in the global
|
offset table. */
|
offset table. */
|
if (htab->sgot == NULL)
|
if (htab->elf.sgot == NULL)
|
abort ();
|
abort ();
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
bfd_boolean dyn;
|
bfd_boolean dyn;
|
| Line 2689... |
Line 3143... |
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, relocation,
|
bfd_put_32 (output_bfd, relocation,
|
htab->sgot->contents + off);
|
htab->elf.sgot->contents + off);
|
h->got.offset |= 1;
|
h->got.offset |= 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
| Line 2711... |
Line 3165... |
if ((off & 1) != 0)
|
if ((off & 1) != 0)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, relocation,
|
bfd_put_32 (output_bfd, relocation,
|
htab->sgot->contents + off);
|
htab->elf.sgot->contents + off);
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
asection *s;
|
asection *s;
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
s = htab->srelgot;
|
s = htab->elf.srelgot;
|
if (s == NULL)
|
if (s == NULL)
|
abort ();
|
abort ();
|
|
|
outrel.r_offset = (htab->sgot->output_section->vma
|
outrel.r_offset = (htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset
|
+ htab->elf.sgot->output_offset
|
+ off);
|
+ off);
|
outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
loc = s->contents;
|
loc = s->contents;
|
loc += s->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += s->reloc_count++ * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
| Line 2739... |
Line 3193... |
}
|
}
|
|
|
if (off >= (bfd_vma) -2)
|
if (off >= (bfd_vma) -2)
|
abort ();
|
abort ();
|
|
|
relocation = htab->sgot->output_section->vma
|
relocation = htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off
|
+ htab->elf.sgot->output_offset + off
|
- htab->sgotplt->output_section->vma
|
- htab->elf.sgotplt->output_section->vma
|
- htab->sgotplt->output_offset;
|
- htab->elf.sgotplt->output_offset;
|
break;
|
break;
|
|
|
case R_386_GOTOFF:
|
case R_386_GOTOFF:
|
/* Relocation is relative to the start of the global offset
|
/* Relocation is relative to the start of the global offset
|
table. */
|
table. */
|
|
|
/* Check to make sure it isn't a protected function symbol
|
/* Check to make sure it isn't a protected function symbol
|
for shared library since it may not be local when used
|
for shared library since it may not be local when used
|
as function address. */
|
as function address. We also need to make sure that a
|
if (info->shared
|
symbol is defined locally. */
|
&& !info->executable
|
if (info->shared && h)
|
&& h
|
{
|
&& h->def_regular
|
if (!h->def_regular)
|
|
{
|
|
const char *v;
|
|
|
|
switch (ELF_ST_VISIBILITY (h->other))
|
|
{
|
|
case STV_HIDDEN:
|
|
v = _("hidden symbol");
|
|
break;
|
|
case STV_INTERNAL:
|
|
v = _("internal symbol");
|
|
break;
|
|
case STV_PROTECTED:
|
|
v = _("protected symbol");
|
|
break;
|
|
default:
|
|
v = _("symbol");
|
|
break;
|
|
}
|
|
|
|
(*_bfd_error_handler)
|
|
(_("%B: relocation R_386_GOTOFF against undefined %s `%s' can not be used when making a shared object"),
|
|
input_bfd, v, h->root.root.string);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
else if (!info->executable
|
&& h->type == STT_FUNC
|
&& h->type == STT_FUNC
|
&& ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
|
&& ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("%B: relocation R_386_GOTOFF against protected function `%s' can not be used when making a shared object"),
|
(_("%B: relocation R_386_GOTOFF against protected function `%s' can not be used when making a shared object"),
|
input_bfd, h->root.root.string);
|
input_bfd, h->root.root.string);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
}
|
|
|
/* Note that sgot is not involved in this
|
/* Note that sgot is not involved in this
|
calculation. We always want the start of .got.plt. If we
|
calculation. We always want the start of .got.plt. If we
|
defined _GLOBAL_OFFSET_TABLE_ in a different way, as is
|
defined _GLOBAL_OFFSET_TABLE_ in a different way, as is
|
permitted by the ABI, we might have to change this
|
permitted by the ABI, we might have to change this
|
calculation. */
|
calculation. */
|
relocation -= htab->sgotplt->output_section->vma
|
relocation -= htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset;
|
+ htab->elf.sgotplt->output_offset;
|
break;
|
break;
|
|
|
case R_386_GOTPC:
|
case R_386_GOTPC:
|
/* Use global offset table as symbol value. */
|
/* Use global offset table as symbol value. */
|
relocation = htab->sgotplt->output_section->vma
|
relocation = htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset;
|
+ htab->elf.sgotplt->output_offset;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
break;
|
break;
|
|
|
case R_386_PLT32:
|
case R_386_PLT32:
|
/* Relocation is to the entry for this symbol in the
|
/* Relocation is to the entry for this symbol in the
|
| Line 2792... |
Line 3273... |
without using the procedure linkage table. */
|
without using the procedure linkage table. */
|
if (h == NULL)
|
if (h == NULL)
|
break;
|
break;
|
|
|
if (h->plt.offset == (bfd_vma) -1
|
if (h->plt.offset == (bfd_vma) -1
|
|| htab->splt == NULL)
|
|| htab->elf.splt == NULL)
|
{
|
{
|
/* We didn't make a PLT entry for this symbol. This
|
/* We didn't make a PLT entry for this symbol. This
|
happens when statically linking PIC code, or when
|
happens when statically linking PIC code, or when
|
using -Bsymbolic. */
|
using -Bsymbolic. */
|
break;
|
break;
|
}
|
}
|
|
|
relocation = (htab->splt->output_section->vma
|
relocation = (htab->elf.splt->output_section->vma
|
+ htab->splt->output_offset
|
+ htab->elf.splt->output_offset
|
+ h->plt.offset);
|
+ h->plt.offset);
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
break;
|
break;
|
|
|
case R_386_32:
|
case R_386_32:
|
case R_386_PC32:
|
case R_386_PC32:
|
if ((input_section->flags & SEC_ALLOC) == 0)
|
if ((input_section->flags & SEC_ALLOC) == 0
|
|
|| is_vxworks_tls)
|
break;
|
break;
|
|
|
if ((info->shared
|
if ((info->shared
|
&& (h == NULL
|
&& (h == NULL
|
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
|| ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|
| Line 2866... |
Line 3348... |
relocate = TRUE;
|
relocate = TRUE;
|
outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
}
|
}
|
|
|
sreloc = elf_section_data (input_section)->sreloc;
|
sreloc = elf_section_data (input_section)->sreloc;
|
if (sreloc == NULL)
|
|
abort ();
|
BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL);
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
|
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
|
|
/* If this reloc is against an external symbol, we do
|
/* If this reloc is against an external symbol, we do
|
not want to fiddle with the addend. Otherwise, we
|
not want to fiddle with the addend. Otherwise, we
|
need to include the symbol value so that it becomes
|
need to include the symbol value so that it becomes
|
| Line 2883... |
Line 3366... |
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
|
|
case R_386_TLS_IE:
|
case R_386_TLS_IE:
|
if (info->shared)
|
if (!info->executable)
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
asection *sreloc;
|
asection *sreloc;
|
|
|
| Line 2919... |
Line 3402... |
|
|
if (! elf_i386_tls_transition (info, input_bfd,
|
if (! elf_i386_tls_transition (info, input_bfd,
|
input_section, contents,
|
input_section, contents,
|
symtab_hdr, sym_hashes,
|
symtab_hdr, sym_hashes,
|
&r_type, tls_type, rel,
|
&r_type, tls_type, rel,
|
relend, h))
|
relend, h, r_symndx))
|
return FALSE;
|
return FALSE;
|
|
|
if (r_type == R_386_TLS_LE_32)
|
if (r_type == R_386_TLS_LE_32)
|
{
|
{
|
BFD_ASSERT (! unresolved_reloc);
|
BFD_ASSERT (! unresolved_reloc);
|
| Line 2952... |
Line 3435... |
(6 byte form of subl). */
|
(6 byte form of subl). */
|
memcpy (contents + rel->r_offset - 2,
|
memcpy (contents + rel->r_offset - 2,
|
"\x65\xa1\0\0\0\0\x81\xe8\0\0\0", 12);
|
"\x65\xa1\0\0\0\0\x81\xe8\0\0\0", 12);
|
roff = rel->r_offset + 6;
|
roff = rel->r_offset + 6;
|
}
|
}
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
bfd_put_32 (output_bfd, elf_i386_tpoff (info, relocation),
|
contents + roff);
|
contents + roff);
|
/* Skip R_386_PC32/R_386_PLT32. */
|
/* Skip R_386_PC32/R_386_PLT32. */
|
rel++;
|
rel++;
|
continue;
|
continue;
|
}
|
}
|
| Line 2979... |
Line 3462... |
/* Now modify the instruction as appropriate. */
|
/* Now modify the instruction as appropriate. */
|
/* aoliva FIXME: remove the above and xor the byte
|
/* aoliva FIXME: remove the above and xor the byte
|
below with 0x86. */
|
below with 0x86. */
|
bfd_put_8 (output_bfd, val ^ 0x86,
|
bfd_put_8 (output_bfd, val ^ 0x86,
|
contents + roff - 1);
|
contents + roff - 1);
|
bfd_put_32 (output_bfd, -tpoff (info, relocation),
|
bfd_put_32 (output_bfd, -elf_i386_tpoff (info, relocation),
|
contents + roff);
|
contents + roff);
|
continue;
|
continue;
|
}
|
}
|
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
|
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
|
{
|
{
|
| Line 3047... |
Line 3530... |
default:
|
default:
|
BFD_FAIL ();
|
BFD_FAIL ();
|
break;
|
break;
|
}
|
}
|
}
|
}
|
bfd_put_32 (output_bfd, -tpoff (info, relocation),
|
bfd_put_32 (output_bfd, -elf_i386_tpoff (info, relocation),
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
else
|
else
|
{
|
{
|
| Line 3093... |
Line 3576... |
contents + rel->r_offset - 1);
|
contents + rel->r_offset - 1);
|
}
|
}
|
else
|
else
|
BFD_FAIL ();
|
BFD_FAIL ();
|
if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_GOTIE)
|
if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_GOTIE)
|
bfd_put_32 (output_bfd, -tpoff (info, relocation),
|
bfd_put_32 (output_bfd, -elf_i386_tpoff (info, relocation),
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
else
|
else
|
bfd_put_32 (output_bfd, tpoff (info, relocation),
|
bfd_put_32 (output_bfd, elf_i386_tpoff (info, relocation),
|
contents + rel->r_offset);
|
contents + rel->r_offset);
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
|
|
if (htab->sgot == NULL)
|
if (htab->elf.sgot == NULL)
|
abort ();
|
abort ();
|
|
|
if (h != NULL)
|
if (h != NULL)
|
{
|
{
|
off = h->got.offset;
|
off = h->got.offset;
|
| Line 3128... |
Line 3611... |
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
int dr_type, indx;
|
int dr_type, indx;
|
asection *sreloc;
|
asection *sreloc;
|
|
|
if (htab->srelgot == NULL)
|
if (htab->elf.srelgot == NULL)
|
abort ();
|
abort ();
|
|
|
indx = h && h->dynindx != -1 ? h->dynindx : 0;
|
indx = h && h->dynindx != -1 ? h->dynindx : 0;
|
|
|
if (GOT_TLS_GDESC_P (tls_type))
|
if (GOT_TLS_GDESC_P (tls_type))
|
{
|
{
|
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_DESC);
|
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_DESC);
|
BFD_ASSERT (htab->sgotplt_jump_table_size + offplt + 8
|
BFD_ASSERT (htab->sgotplt_jump_table_size + offplt + 8
|
<= htab->sgotplt->size);
|
<= htab->elf.sgotplt->size);
|
outrel.r_offset = (htab->sgotplt->output_section->vma
|
outrel.r_offset = (htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->elf.sgotplt->output_offset
|
+ offplt
|
+ offplt
|
+ htab->sgotplt_jump_table_size);
|
+ htab->sgotplt_jump_table_size);
|
sreloc = htab->srelplt;
|
sreloc = htab->elf.srelplt;
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += (htab->next_tls_desc_index++
|
loc += (htab->next_tls_desc_index++
|
* sizeof (Elf32_External_Rel));
|
* sizeof (Elf32_External_Rel));
|
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
|
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
|
<= sreloc->contents + sreloc->size);
|
<= sreloc->contents + sreloc->size);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
BFD_ASSERT (! unresolved_reloc);
|
BFD_ASSERT (! unresolved_reloc);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
relocation - dtpoff_base (info),
|
relocation - elf_i386_dtpoff_base (info),
|
htab->sgotplt->contents + offplt
|
htab->elf.sgotplt->contents + offplt
|
+ htab->sgotplt_jump_table_size + 4);
|
+ htab->sgotplt_jump_table_size + 4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, 0,
|
bfd_put_32 (output_bfd, 0,
|
htab->sgotplt->contents + offplt
|
htab->elf.sgotplt->contents + offplt
|
+ htab->sgotplt_jump_table_size + 4);
|
+ htab->sgotplt_jump_table_size + 4);
|
}
|
}
|
}
|
}
|
|
|
sreloc = htab->srelgot;
|
sreloc = htab->elf.srelgot;
|
|
|
outrel.r_offset = (htab->sgot->output_section->vma
|
outrel.r_offset = (htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off);
|
+ htab->elf.sgot->output_offset + off);
|
|
|
if (GOT_TLS_GD_P (tls_type))
|
if (GOT_TLS_GD_P (tls_type))
|
dr_type = R_386_TLS_DTPMOD32;
|
dr_type = R_386_TLS_DTPMOD32;
|
else if (GOT_TLS_GDESC_P (tls_type))
|
else if (GOT_TLS_GDESC_P (tls_type))
|
goto dr_done;
|
goto dr_done;
|
| Line 3180... |
Line 3663... |
dr_type = R_386_TLS_TPOFF;
|
dr_type = R_386_TLS_TPOFF;
|
else
|
else
|
dr_type = R_386_TLS_TPOFF32;
|
dr_type = R_386_TLS_TPOFF32;
|
|
|
if (dr_type == R_386_TLS_TPOFF && indx == 0)
|
if (dr_type == R_386_TLS_TPOFF && indx == 0)
|
bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
|
bfd_put_32 (output_bfd,
|
htab->sgot->contents + off);
|
relocation - elf_i386_dtpoff_base (info),
|
|
htab->elf.sgot->contents + off);
|
else if (dr_type == R_386_TLS_TPOFF32 && indx == 0)
|
else if (dr_type == R_386_TLS_TPOFF32 && indx == 0)
|
bfd_put_32 (output_bfd, dtpoff_base (info) - relocation,
|
bfd_put_32 (output_bfd,
|
htab->sgot->contents + off);
|
elf_i386_dtpoff_base (info) - relocation,
|
|
htab->elf.sgot->contents + off);
|
else if (dr_type != R_386_TLS_DESC)
|
else if (dr_type != R_386_TLS_DESC)
|
bfd_put_32 (output_bfd, 0,
|
bfd_put_32 (output_bfd, 0,
|
htab->sgot->contents + off);
|
htab->elf.sgot->contents + off);
|
outrel.r_info = ELF32_R_INFO (indx, dr_type);
|
outrel.r_info = ELF32_R_INFO (indx, dr_type);
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
|
BFD_ASSERT (loc + sizeof (Elf32_External_Rel)
|
| Line 3202... |
Line 3687... |
{
|
{
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
BFD_ASSERT (! unresolved_reloc);
|
BFD_ASSERT (! unresolved_reloc);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
relocation - dtpoff_base (info),
|
relocation - elf_i386_dtpoff_base (info),
|
htab->sgot->contents + off + 4);
|
htab->elf.sgot->contents + off + 4);
|
}
|
}
|
else
|
else
|
{
|
{
|
bfd_put_32 (output_bfd, 0,
|
bfd_put_32 (output_bfd, 0,
|
htab->sgot->contents + off + 4);
|
htab->elf.sgot->contents + off + 4);
|
outrel.r_info = ELF32_R_INFO (indx,
|
outrel.r_info = ELF32_R_INFO (indx,
|
R_386_TLS_DTPOFF32);
|
R_386_TLS_DTPOFF32);
|
outrel.r_offset += 4;
|
outrel.r_offset += 4;
|
sreloc->reloc_count++;
|
sreloc->reloc_count++;
|
loc += sizeof (Elf32_External_Rel);
|
loc += sizeof (Elf32_External_Rel);
|
| Line 3222... |
Line 3707... |
}
|
}
|
}
|
}
|
else if (tls_type == GOT_TLS_IE_BOTH)
|
else if (tls_type == GOT_TLS_IE_BOTH)
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
indx == 0 ? relocation - dtpoff_base (info) : 0,
|
(indx == 0
|
htab->sgot->contents + off + 4);
|
? relocation - elf_i386_dtpoff_base (info)
|
|
: 0),
|
|
htab->elf.sgot->contents + off + 4);
|
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_TPOFF);
|
outrel.r_info = ELF32_R_INFO (indx, R_386_TLS_TPOFF);
|
outrel.r_offset += 4;
|
outrel.r_offset += 4;
|
sreloc->reloc_count++;
|
sreloc->reloc_count++;
|
loc += sizeof (Elf32_External_Rel);
|
loc += sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
| Line 3249... |
Line 3736... |
relocation = htab->sgotplt_jump_table_size + offplt;
|
relocation = htab->sgotplt_jump_table_size + offplt;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
}
|
}
|
else if (r_type == ELF32_R_TYPE (rel->r_info))
|
else if (r_type == ELF32_R_TYPE (rel->r_info))
|
{
|
{
|
bfd_vma g_o_t = htab->sgotplt->output_section->vma
|
bfd_vma g_o_t = htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset;
|
+ htab->elf.sgotplt->output_offset;
|
relocation = htab->sgot->output_section->vma
|
relocation = htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off - g_o_t;
|
+ htab->elf.sgot->output_offset + off - g_o_t;
|
if ((r_type == R_386_TLS_IE || r_type == R_386_TLS_GOTIE)
|
if ((r_type == R_386_TLS_IE || r_type == R_386_TLS_GOTIE)
|
&& tls_type == GOT_TLS_IE_BOTH)
|
&& tls_type == GOT_TLS_IE_BOTH)
|
relocation += 4;
|
relocation += 4;
|
if (r_type == R_386_TLS_IE)
|
if (r_type == R_386_TLS_IE)
|
relocation += g_o_t;
|
relocation += g_o_t;
|
| Line 3294... |
Line 3781... |
into:
|
into:
|
addl $foo@gotntpoff(%reg), %eax. */
|
addl $foo@gotntpoff(%reg), %eax. */
|
if (tls_type == GOT_TLS_IE_POS)
|
if (tls_type == GOT_TLS_IE_POS)
|
contents[roff + 6] = 0x03;
|
contents[roff + 6] = 0x03;
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
htab->sgot->output_section->vma
|
htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off
|
+ htab->elf.sgot->output_offset + off
|
- htab->sgotplt->output_section->vma
|
- htab->elf.sgotplt->output_section->vma
|
- htab->sgotplt->output_offset,
|
- htab->elf.sgotplt->output_offset,
|
contents + roff + 8);
|
contents + roff + 8);
|
/* Skip R_386_PLT32. */
|
/* Skip R_386_PLT32. */
|
rel++;
|
rel++;
|
continue;
|
continue;
|
}
|
}
|
| Line 3335... |
Line 3822... |
|
|
if (tls_type == GOT_TLS_IE_BOTH)
|
if (tls_type == GOT_TLS_IE_BOTH)
|
off += 4;
|
off += 4;
|
|
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
htab->sgot->output_section->vma
|
htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off
|
+ htab->elf.sgot->output_offset + off
|
- htab->sgotplt->output_section->vma
|
- htab->elf.sgotplt->output_section->vma
|
- htab->sgotplt->output_offset,
|
- htab->elf.sgotplt->output_offset,
|
contents + roff);
|
contents + roff);
|
continue;
|
continue;
|
}
|
}
|
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
|
else if (ELF32_R_TYPE (rel->r_info) == R_386_TLS_DESC_CALL)
|
{
|
{
|
| Line 3384... |
Line 3871... |
case R_386_TLS_LDM:
|
case R_386_TLS_LDM:
|
if (! elf_i386_tls_transition (info, input_bfd,
|
if (! elf_i386_tls_transition (info, input_bfd,
|
input_section, contents,
|
input_section, contents,
|
symtab_hdr, sym_hashes,
|
symtab_hdr, sym_hashes,
|
&r_type, GOT_UNKNOWN, rel,
|
&r_type, GOT_UNKNOWN, rel,
|
relend, h))
|
relend, h, r_symndx))
|
return FALSE;
|
return FALSE;
|
|
|
if (r_type != R_386_TLS_LDM)
|
if (r_type != R_386_TLS_LDM)
|
{
|
{
|
/* LD->LE transition:
|
/* LD->LE transition:
|
| Line 3401... |
Line 3888... |
/* Skip R_386_PC32/R_386_PLT32. */
|
/* Skip R_386_PC32/R_386_PLT32. */
|
rel++;
|
rel++;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (htab->sgot == NULL)
|
if (htab->elf.sgot == NULL)
|
abort ();
|
abort ();
|
|
|
off = htab->tls_ldm_got.offset;
|
off = htab->tls_ldm_got.offset;
|
if (off & 1)
|
if (off & 1)
|
off &= ~1;
|
off &= ~1;
|
else
|
else
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
if (htab->srelgot == NULL)
|
if (htab->elf.srelgot == NULL)
|
abort ();
|
abort ();
|
|
|
outrel.r_offset = (htab->sgot->output_section->vma
|
outrel.r_offset = (htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off);
|
+ htab->elf.sgot->output_offset + off);
|
|
|
bfd_put_32 (output_bfd, 0,
|
bfd_put_32 (output_bfd, 0,
|
htab->sgot->contents + off);
|
htab->elf.sgot->contents + off);
|
bfd_put_32 (output_bfd, 0,
|
bfd_put_32 (output_bfd, 0,
|
htab->sgot->contents + off + 4);
|
htab->elf.sgot->contents + off + 4);
|
outrel.r_info = ELF32_R_INFO (0, R_386_TLS_DTPMOD32);
|
outrel.r_info = ELF32_R_INFO (0, R_386_TLS_DTPMOD32);
|
loc = htab->srelgot->contents;
|
loc = htab->elf.srelgot->contents;
|
loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
htab->tls_ldm_got.offset |= 1;
|
htab->tls_ldm_got.offset |= 1;
|
}
|
}
|
relocation = htab->sgot->output_section->vma
|
relocation = htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset + off
|
+ htab->elf.sgot->output_offset + off
|
- htab->sgotplt->output_section->vma
|
- htab->elf.sgotplt->output_section->vma
|
- htab->sgotplt->output_offset;
|
- htab->elf.sgotplt->output_offset;
|
unresolved_reloc = FALSE;
|
unresolved_reloc = FALSE;
|
break;
|
break;
|
|
|
case R_386_TLS_LDO_32:
|
case R_386_TLS_LDO_32:
|
if (info->shared || (input_section->flags & SEC_CODE) == 0)
|
if (info->shared || (input_section->flags & SEC_CODE) == 0)
|
relocation -= dtpoff_base (info);
|
relocation -= elf_i386_dtpoff_base (info);
|
else
|
else
|
/* When converting LDO to LE, we must negate. */
|
/* When converting LDO to LE, we must negate. */
|
relocation = -tpoff (info, relocation);
|
relocation = -elf_i386_tpoff (info, relocation);
|
break;
|
break;
|
|
|
case R_386_TLS_LE_32:
|
case R_386_TLS_LE_32:
|
case R_386_TLS_LE:
|
case R_386_TLS_LE:
|
if (info->shared)
|
if (!info->executable)
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
asection *sreloc;
|
asection *sreloc;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
int indx;
|
int indx;
|
| Line 3472... |
Line 3959... |
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
|
if (indx)
|
if (indx)
|
continue;
|
continue;
|
else if (r_type == R_386_TLS_LE_32)
|
else if (r_type == R_386_TLS_LE_32)
|
relocation = dtpoff_base (info) - relocation;
|
relocation = elf_i386_dtpoff_base (info) - relocation;
|
else
|
else
|
relocation -= dtpoff_base (info);
|
relocation -= elf_i386_dtpoff_base (info);
|
}
|
}
|
else if (r_type == R_386_TLS_LE_32)
|
else if (r_type == R_386_TLS_LE_32)
|
relocation = tpoff (info, relocation);
|
relocation = elf_i386_tpoff (info, relocation);
|
else
|
else
|
relocation = -tpoff (info, relocation);
|
relocation = -elf_i386_tpoff (info, relocation);
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
| Line 3503... |
Line 3990... |
howto->name,
|
howto->name,
|
h->root.root.string);
|
h->root.root.string);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
|
do_relocation:
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
|
contents, rel->r_offset,
|
contents, rel->r_offset,
|
relocation, 0);
|
relocation, 0);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
| Line 3565... |
Line 4053... |
{
|
{
|
bfd_vma plt_index;
|
bfd_vma plt_index;
|
bfd_vma got_offset;
|
bfd_vma got_offset;
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
|
asection *plt, *gotplt, *relplt;
|
|
|
|
/* When building a static executable, use .iplt, .igot.plt and
|
|
.rel.iplt sections for STT_GNU_IFUNC symbols. */
|
|
if (htab->elf.splt != NULL)
|
|
{
|
|
plt = htab->elf.splt;
|
|
gotplt = htab->elf.sgotplt;
|
|
relplt = htab->elf.srelplt;
|
|
}
|
|
else
|
|
{
|
|
plt = htab->elf.iplt;
|
|
gotplt = htab->elf.igotplt;
|
|
relplt = htab->elf.irelplt;
|
|
}
|
|
|
/* This symbol has an entry in the procedure linkage table. Set
|
/* This symbol has an entry in the procedure linkage table. Set
|
it up. */
|
it up. */
|
|
|
if (h->dynindx == -1
|
if ((h->dynindx == -1
|
|| htab->splt == NULL
|
&& !((h->forced_local || info->executable)
|
|| htab->sgotplt == NULL
|
&& h->def_regular
|
|| htab->srelplt == NULL)
|
&& h->type == STT_GNU_IFUNC))
|
|
|| plt == NULL
|
|
|| gotplt == NULL
|
|
|| relplt == NULL)
|
abort ();
|
abort ();
|
|
|
/* Get the index in the procedure linkage table which
|
/* Get the index in the procedure linkage table which
|
corresponds to this symbol. This is the index of this symbol
|
corresponds to this symbol. This is the index of this symbol
|
in all the symbols for which we are making plt entries. The
|
in all the symbols for which we are making plt entries. The
|
first entry in the procedure linkage table is reserved. */
|
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
|
Get the offset into the .got table of the entry that
|
corresponds to this function. Each .got entry is 4 bytes.
|
corresponds to this function. Each .got entry is 4 bytes.
|
The first three are reserved. */
|
The first three are reserved.
|
|
|
|
For static executables, we don't reserve anything. */
|
|
|
|
if (plt == htab->elf.splt)
|
|
{
|
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
|
got_offset = (plt_index + 3) * 4;
|
got_offset = (plt_index + 3) * 4;
|
|
}
|
|
else
|
|
{
|
|
plt_index = h->plt.offset / PLT_ENTRY_SIZE;
|
|
got_offset = plt_index * 4;
|
|
}
|
|
|
/* Fill in the entry in the procedure linkage table. */
|
/* Fill in the entry in the procedure linkage table. */
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
memcpy (htab->splt->contents + h->plt.offset, elf_i386_plt_entry,
|
memcpy (plt->contents + h->plt.offset, elf_i386_plt_entry,
|
PLT_ENTRY_SIZE);
|
PLT_ENTRY_SIZE);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(htab->sgotplt->output_section->vma
|
(gotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ gotplt->output_offset
|
+ got_offset),
|
+ got_offset),
|
htab->splt->contents + h->plt.offset + 2);
|
plt->contents + h->plt.offset + 2);
|
|
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
{
|
{
|
int s, k, reloc_index;
|
int s, k, reloc_index;
|
|
|
| Line 3617... |
Line 4135... |
the other PLT slots. */
|
the other PLT slots. */
|
reloc_index = k + s * PLT_NON_JUMP_SLOT_RELOCS;
|
reloc_index = k + s * PLT_NON_JUMP_SLOT_RELOCS;
|
loc = (htab->srelplt2->contents + reloc_index
|
loc = (htab->srelplt2->contents + reloc_index
|
* sizeof (Elf32_External_Rel));
|
* sizeof (Elf32_External_Rel));
|
|
|
rel.r_offset = (htab->splt->output_section->vma
|
rel.r_offset = (htab->elf.splt->output_section->vma
|
+ htab->splt->output_offset
|
+ htab->elf.splt->output_offset
|
+ h->plt.offset + 2),
|
+ h->plt.offset + 2),
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
|
|
/* Create the R_386_32 relocation referencing the beginning of
|
/* Create the R_386_32 relocation referencing the beginning of
|
the PLT for this GOT entry. */
|
the PLT for this GOT entry. */
|
rel.r_offset = (htab->sgotplt->output_section->vma
|
rel.r_offset = (htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->elf.sgotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_386_32);
|
rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_386_32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
loc + sizeof (Elf32_External_Rel));
|
loc + sizeof (Elf32_External_Rel));
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
memcpy (htab->splt->contents + h->plt.offset, elf_i386_pic_plt_entry,
|
memcpy (plt->contents + h->plt.offset, elf_i386_pic_plt_entry,
|
PLT_ENTRY_SIZE);
|
PLT_ENTRY_SIZE);
|
bfd_put_32 (output_bfd, got_offset,
|
bfd_put_32 (output_bfd, got_offset,
|
htab->splt->contents + h->plt.offset + 2);
|
plt->contents + h->plt.offset + 2);
|
}
|
}
|
|
|
|
/* Don't fill PLT entry for static executables. */
|
|
if (plt == htab->elf.splt)
|
|
{
|
bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel),
|
bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rel),
|
htab->splt->contents + h->plt.offset + 7);
|
plt->contents + h->plt.offset + 7);
|
bfd_put_32 (output_bfd, - (h->plt.offset + PLT_ENTRY_SIZE),
|
bfd_put_32 (output_bfd, - (h->plt.offset + PLT_ENTRY_SIZE),
|
htab->splt->contents + h->plt.offset + 12);
|
plt->contents + h->plt.offset + 12);
|
|
}
|
|
|
/* Fill in the entry in the global offset table. */
|
/* Fill in the entry in the global offset table. */
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(htab->splt->output_section->vma
|
(plt->output_section->vma
|
+ htab->splt->output_offset
|
+ plt->output_offset
|
+ h->plt.offset
|
+ h->plt.offset
|
+ 6),
|
+ 6),
|
htab->sgotplt->contents + got_offset);
|
gotplt->contents + got_offset);
|
|
|
/* Fill in the entry in the .rel.plt section. */
|
/* Fill in the entry in the .rel.plt section. */
|
rel.r_offset = (htab->sgotplt->output_section->vma
|
rel.r_offset = (gotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ gotplt->output_offset
|
+ got_offset);
|
+ got_offset);
|
|
if (h->dynindx == -1
|
|
|| ((info->executable
|
|
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
|
&& h->def_regular
|
|
&& h->type == STT_GNU_IFUNC))
|
|
{
|
|
/* If an STT_GNU_IFUNC symbol is locally defined, generate
|
|
R_386_IRELATIVE instead of R_386_JUMP_SLOT. Store addend
|
|
in the .got.plt section. */
|
|
bfd_put_32 (output_bfd,
|
|
(h->root.u.def.value
|
|
+ h->root.u.def.section->output_section->vma
|
|
+ h->root.u.def.section->output_offset),
|
|
gotplt->contents + got_offset);
|
|
rel.r_info = ELF32_R_INFO (0, R_386_IRELATIVE);
|
|
}
|
|
else
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_386_JUMP_SLOT);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_386_JUMP_SLOT);
|
loc = htab->srelplt->contents + plt_index * sizeof (Elf32_External_Rel);
|
loc = relplt->contents + plt_index * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
|
|
if (!h->def_regular)
|
if (!h->def_regular)
|
{
|
{
|
/* Mark the symbol as undefined, rather than as defined in
|
/* Mark the symbol as undefined, rather than as defined in
|
| Line 3688... |
Line 4227... |
bfd_byte *loc;
|
bfd_byte *loc;
|
|
|
/* This symbol has an entry in the global offset table. Set it
|
/* This symbol has an entry in the global offset table. Set it
|
up. */
|
up. */
|
|
|
if (htab->sgot == NULL || htab->srelgot == NULL)
|
if (htab->elf.sgot == NULL || htab->elf.srelgot == NULL)
|
abort ();
|
abort ();
|
|
|
rel.r_offset = (htab->sgot->output_section->vma
|
rel.r_offset = (htab->elf.sgot->output_section->vma
|
+ htab->sgot->output_offset
|
+ htab->elf.sgot->output_offset
|
+ (h->got.offset & ~(bfd_vma) 1));
|
+ (h->got.offset & ~(bfd_vma) 1));
|
|
|
/* If this is a static link, or it is a -Bsymbolic link and the
|
/* 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
|
symbol is defined locally or was forced to be local because
|
of a version file, we just want to emit a RELATIVE reloc.
|
of a version file, we just want to emit a RELATIVE reloc.
|
The entry in the global offset table will already have been
|
The entry in the global offset table will already have been
|
initialized in the relocate_section function. */
|
initialized in the relocate_section function. */
|
if (info->shared
|
if (h->def_regular
|
|
&& h->type == STT_GNU_IFUNC)
|
|
{
|
|
if (info->shared)
|
|
{
|
|
/* Generate R_386_GLOB_DAT. */
|
|
goto do_glob_dat;
|
|
}
|
|
else
|
|
{
|
|
if (!h->pointer_equality_needed)
|
|
abort ();
|
|
|
|
/* For non-shared object, we can't use .got.plt, which
|
|
contains the real function addres if we need pointer
|
|
equality. We load the GOT entry with the PLT entry. */
|
|
asection *plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
|
|
bfd_put_32 (output_bfd,
|
|
(plt->output_section->vma
|
|
+ plt->output_offset + h->plt.offset),
|
|
htab->elf.sgot->contents + h->got.offset);
|
|
return TRUE;
|
|
}
|
|
}
|
|
else if (info->shared
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
&& SYMBOL_REFERENCES_LOCAL (info, h))
|
{
|
{
|
BFD_ASSERT((h->got.offset & 1) != 0);
|
BFD_ASSERT((h->got.offset & 1) != 0);
|
rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
|
}
|
}
|
else
|
else
|
{
|
{
|
BFD_ASSERT((h->got.offset & 1) == 0);
|
BFD_ASSERT((h->got.offset & 1) == 0);
|
|
do_glob_dat:
|
bfd_put_32 (output_bfd, (bfd_vma) 0,
|
bfd_put_32 (output_bfd, (bfd_vma) 0,
|
htab->sgot->contents + h->got.offset);
|
htab->elf.sgot->contents + h->got.offset);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_386_GLOB_DAT);
|
rel.r_info = ELF32_R_INFO (h->dynindx, R_386_GLOB_DAT);
|
}
|
}
|
|
|
loc = htab->srelgot->contents;
|
loc = htab->elf.srelgot->contents;
|
loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
}
|
}
|
|
|
if (h->needs_copy)
|
if (h->needs_copy)
|
{
|
{
|
| Line 3741... |
Line 4305... |
loc = htab->srelbss->contents;
|
loc = htab->srelbss->contents;
|
loc += htab->srelbss->reloc_count++ * sizeof (Elf32_External_Rel);
|
loc += htab->srelbss->reloc_count++ * sizeof (Elf32_External_Rel);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
|
}
|
}
|
|
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute.
|
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. SYM may
|
|
be NULL for local symbols.
|
|
|
On VxWorks, the _GLOBAL_OFFSET_TABLE_ symbol is not absolute: it
|
On VxWorks, the _GLOBAL_OFFSET_TABLE_ symbol is not absolute: it
|
is relative to the ".got" section. */
|
is relative to the ".got" section. */
|
if (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
if (sym != NULL
|
|| (!htab->is_vxworks && h == htab->elf.hgot))
|
&& (strcmp (h->root.root.string, "_DYNAMIC") == 0
|
|
|| (!htab->is_vxworks && h == htab->elf.hgot)))
|
sym->st_shndx = SHN_ABS;
|
sym->st_shndx = SHN_ABS;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* Finish up local dynamic symbol handling. We set the contents of
|
|
various dynamic sections here. */
|
|
|
|
static bfd_boolean
|
|
elf_i386_finish_local_dynamic_symbol (void **slot, void *inf)
|
|
{
|
|
struct elf_link_hash_entry *h
|
|
= (struct elf_link_hash_entry *) *slot;
|
|
struct bfd_link_info *info
|
|
= (struct bfd_link_info *) inf;
|
|
|
|
return elf_i386_finish_dynamic_symbol (info->output_bfd, info,
|
|
h, NULL);
|
|
}
|
|
|
/* Used to decide how to sort relocs in an optimal manner for the
|
/* Used to decide how to sort relocs in an optimal manner for the
|
dynamic linker, before writing them out. */
|
dynamic linker, before writing them out. */
|
|
|
static enum elf_reloc_type_class
|
static enum elf_reloc_type_class
|
elf_i386_reloc_type_class (const Elf_Internal_Rela *rela)
|
elf_i386_reloc_type_class (const Elf_Internal_Rela *rela)
|
| Line 3788... |
Line 4370... |
|
|
if (htab->elf.dynamic_sections_created)
|
if (htab->elf.dynamic_sections_created)
|
{
|
{
|
Elf32_External_Dyn *dyncon, *dynconend;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
|
|
if (sdyn == NULL || htab->sgot == NULL)
|
if (sdyn == NULL || htab->elf.sgot == NULL)
|
abort ();
|
abort ();
|
|
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
for (; dyncon < dynconend; dyncon++)
|
for (; dyncon < dynconend; dyncon++)
|
| Line 3809... |
Line 4391... |
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
&& elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
|
break;
|
break;
|
continue;
|
continue;
|
|
|
case DT_PLTGOT:
|
case DT_PLTGOT:
|
s = htab->sgotplt;
|
s = htab->elf.sgotplt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_JMPREL:
|
case DT_JMPREL:
|
s = htab->srelplt;
|
s = htab->elf.srelplt;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
|
break;
|
break;
|
|
|
case DT_PLTRELSZ:
|
case DT_PLTRELSZ:
|
s = htab->srelplt;
|
s = htab->elf.srelplt;
|
dyn.d_un.d_val = s->size;
|
dyn.d_un.d_val = s->size;
|
break;
|
break;
|
|
|
case DT_RELSZ:
|
case DT_RELSZ:
|
/* My reading of the SVR4 ABI indicates that the
|
/* My reading of the SVR4 ABI indicates that the
|
procedure linkage table relocs (DT_JMPREL) should be
|
procedure linkage table relocs (DT_JMPREL) should be
|
included in the overall relocs (DT_REL). This is
|
included in the overall relocs (DT_REL). This is
|
what Solaris does. However, UnixWare can not handle
|
what Solaris does. However, UnixWare can not handle
|
that case. Therefore, we override the DT_RELSZ entry
|
that case. Therefore, we override the DT_RELSZ entry
|
here to make it not include the JMPREL relocs. */
|
here to make it not include the JMPREL relocs. */
|
s = htab->srelplt;
|
s = htab->elf.srelplt;
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
dyn.d_un.d_val -= s->size;
|
dyn.d_un.d_val -= s->size;
|
break;
|
break;
|
|
|
case DT_REL:
|
case DT_REL:
|
/* We may not be using the standard ELF linker script.
|
/* We may not be using the standard ELF linker script.
|
If .rel.plt is the first .rel section, we adjust
|
If .rel.plt is the first .rel section, we adjust
|
DT_REL to not include it. */
|
DT_REL to not include it. */
|
s = htab->srelplt;
|
s = htab->elf.srelplt;
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
|
if (dyn.d_un.d_ptr != s->output_section->vma + s->output_offset)
|
continue;
|
continue;
|
dyn.d_un.d_ptr += s->size;
|
dyn.d_un.d_ptr += s->size;
|
| Line 3853... |
Line 4435... |
|
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
}
|
}
|
|
|
/* Fill in the first entry in the procedure linkage table. */
|
/* Fill in the first entry in the procedure linkage table. */
|
if (htab->splt && htab->splt->size > 0)
|
if (htab->elf.splt && htab->elf.splt->size > 0)
|
{
|
{
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
memcpy (htab->splt->contents, elf_i386_pic_plt0_entry,
|
memcpy (htab->elf.splt->contents, elf_i386_pic_plt0_entry,
|
sizeof (elf_i386_pic_plt0_entry));
|
sizeof (elf_i386_pic_plt0_entry));
|
memset (htab->splt->contents + sizeof (elf_i386_pic_plt0_entry),
|
memset (htab->elf.splt->contents + sizeof (elf_i386_pic_plt0_entry),
|
htab->plt0_pad_byte,
|
htab->plt0_pad_byte,
|
PLT_ENTRY_SIZE - sizeof (elf_i386_pic_plt0_entry));
|
PLT_ENTRY_SIZE - sizeof (elf_i386_pic_plt0_entry));
|
}
|
}
|
else
|
else
|
{
|
{
|
memcpy (htab->splt->contents, elf_i386_plt0_entry,
|
memcpy (htab->elf.splt->contents, elf_i386_plt0_entry,
|
sizeof(elf_i386_plt0_entry));
|
sizeof(elf_i386_plt0_entry));
|
memset (htab->splt->contents + sizeof (elf_i386_plt0_entry),
|
memset (htab->elf.splt->contents + sizeof (elf_i386_plt0_entry),
|
htab->plt0_pad_byte,
|
htab->plt0_pad_byte,
|
PLT_ENTRY_SIZE - sizeof (elf_i386_plt0_entry));
|
PLT_ENTRY_SIZE - sizeof (elf_i386_plt0_entry));
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(htab->sgotplt->output_section->vma
|
(htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->elf.sgotplt->output_offset
|
+ 4),
|
+ 4),
|
htab->splt->contents + 2);
|
htab->elf.splt->contents + 2);
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(htab->sgotplt->output_section->vma
|
(htab->elf.sgotplt->output_section->vma
|
+ htab->sgotplt->output_offset
|
+ htab->elf.sgotplt->output_offset
|
+ 8),
|
+ 8),
|
htab->splt->contents + 8);
|
htab->elf.splt->contents + 8);
|
|
|
if (htab->is_vxworks)
|
if (htab->is_vxworks)
|
{
|
{
|
Elf_Internal_Rela rel;
|
Elf_Internal_Rela rel;
|
|
|
/* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 4.
|
/* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 4.
|
On IA32 we use REL relocations so the addend goes in
|
On IA32 we use REL relocations so the addend goes in
|
the PLT directly. */
|
the PLT directly. */
|
rel.r_offset = (htab->splt->output_section->vma
|
rel.r_offset = (htab->elf.splt->output_section->vma
|
+ htab->splt->output_offset
|
+ htab->elf.splt->output_offset
|
+ 2);
|
+ 2);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
htab->srelplt2->contents);
|
htab->srelplt2->contents);
|
/* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 8. */
|
/* Generate a relocation for _GLOBAL_OFFSET_TABLE_ + 8. */
|
rel.r_offset = (htab->splt->output_section->vma
|
rel.r_offset = (htab->elf.splt->output_section->vma
|
+ htab->splt->output_offset
|
+ htab->elf.splt->output_offset
|
+ 8);
|
+ 8);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_386_32);
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
bfd_elf32_swap_reloc_out (output_bfd, &rel,
|
htab->srelplt2->contents +
|
htab->srelplt2->contents +
|
sizeof (Elf32_External_Rel));
|
sizeof (Elf32_External_Rel));
|
}
|
}
|
}
|
}
|
|
|
/* UnixWare sets the entsize of .plt to 4, although that doesn't
|
/* UnixWare sets the entsize of .plt to 4, although that doesn't
|
really seem like the right value. */
|
really seem like the right value. */
|
elf_section_data (htab->splt->output_section)
|
elf_section_data (htab->elf.splt->output_section)
|
->this_hdr.sh_entsize = 4;
|
->this_hdr.sh_entsize = 4;
|
|
|
/* Correct the .rel.plt.unloaded relocations. */
|
/* Correct the .rel.plt.unloaded relocations. */
|
if (htab->is_vxworks && !info->shared)
|
if (htab->is_vxworks && !info->shared)
|
{
|
{
|
int num_plts = (htab->splt->size / PLT_ENTRY_SIZE) - 1;
|
int num_plts = (htab->elf.splt->size / PLT_ENTRY_SIZE) - 1;
|
unsigned char *p;
|
unsigned char *p;
|
|
|
p = htab->srelplt2->contents;
|
p = htab->srelplt2->contents;
|
if (info->shared)
|
if (info->shared)
|
p += PLTRESOLVE_RELOCS_SHLIB * sizeof (Elf32_External_Rel);
|
p += PLTRESOLVE_RELOCS_SHLIB * sizeof (Elf32_External_Rel);
|
| Line 3939... |
Line 4521... |
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (htab->sgotplt)
|
if (htab->elf.sgotplt)
|
{
|
{
|
/* Fill in the first three entries in the global offset table. */
|
/* Fill in the first three entries in the global offset table. */
|
if (htab->sgotplt->size > 0)
|
if (htab->elf.sgotplt->size > 0)
|
{
|
{
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
(sdyn == NULL ? 0
|
(sdyn == NULL ? 0
|
: sdyn->output_section->vma + sdyn->output_offset),
|
: sdyn->output_section->vma + sdyn->output_offset),
|
htab->sgotplt->contents);
|
htab->elf.sgotplt->contents);
|
bfd_put_32 (output_bfd, 0, htab->sgotplt->contents + 4);
|
bfd_put_32 (output_bfd, 0, htab->elf.sgotplt->contents + 4);
|
bfd_put_32 (output_bfd, 0, htab->sgotplt->contents + 8);
|
bfd_put_32 (output_bfd, 0, htab->elf.sgotplt->contents + 8);
|
}
|
}
|
|
|
elf_section_data (htab->sgotplt->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize = 4;
|
}
|
}
|
|
|
if (htab->sgot && htab->sgot->size > 0)
|
if (htab->elf.sgot && htab->elf.sgot->size > 0)
|
elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize = 4;
|
|
|
|
/* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
|
|
htab_traverse (htab->loc_hash_table,
|
|
elf_i386_finish_local_dynamic_symbol,
|
|
info);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
/* Return address for Ith PLT stub in section PLT, for relocation REL
|
| Line 3984... |
Line 4571... |
return FALSE;
|
return FALSE;
|
|
|
return _bfd_elf_hash_symbol (h);
|
return _bfd_elf_hash_symbol (h);
|
}
|
}
|
|
|
|
/* Hook called by the linker routine which adds symbols from an object
|
|
file. */
|
|
|
|
static bfd_boolean
|
|
elf_i386_add_symbol_hook (bfd * abfd ATTRIBUTE_UNUSED,
|
|
struct bfd_link_info * info ATTRIBUTE_UNUSED,
|
|
Elf_Internal_Sym * sym,
|
|
const char ** namep ATTRIBUTE_UNUSED,
|
|
flagword * flagsp ATTRIBUTE_UNUSED,
|
|
asection ** secp ATTRIBUTE_UNUSED,
|
|
bfd_vma * valp ATTRIBUTE_UNUSED)
|
|
{
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
|
|
elf_tdata (info->output_bfd)->has_ifunc_symbols = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
#define TARGET_LITTLE_SYM bfd_elf32_i386_vec
|
#define TARGET_LITTLE_SYM bfd_elf32_i386_vec
|
#define TARGET_LITTLE_NAME "elf32-i386"
|
#define TARGET_LITTLE_NAME "elf32-i386"
|
#define ELF_ARCH bfd_arch_i386
|
#define ELF_ARCH bfd_arch_i386
|
#define ELF_MACHINE_CODE EM_386
|
#define ELF_MACHINE_CODE EM_386
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
| Line 4005... |
Line 4610... |
|
|
#define bfd_elf32_mkobject elf_i386_mkobject
|
#define bfd_elf32_mkobject elf_i386_mkobject
|
|
|
#define bfd_elf32_bfd_is_local_label_name elf_i386_is_local_label_name
|
#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_link_hash_table_create elf_i386_link_hash_table_create
|
|
#define bfd_elf32_bfd_link_hash_table_free elf_i386_link_hash_table_free
|
#define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup elf_i386_reloc_name_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup elf_i386_reloc_name_lookup
|
|
|
#define elf_backend_adjust_dynamic_symbol elf_i386_adjust_dynamic_symbol
|
#define elf_backend_adjust_dynamic_symbol elf_i386_adjust_dynamic_symbol
|
#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
|
#define elf_backend_relocs_compatible _bfd_elf_relocs_compatible
|
| Line 4028... |
Line 4634... |
#define elf_backend_always_size_sections elf_i386_always_size_sections
|
#define elf_backend_always_size_sections elf_i386_always_size_sections
|
#define elf_backend_omit_section_dynsym \
|
#define elf_backend_omit_section_dynsym \
|
((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
|
((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
|
#define elf_backend_plt_sym_val elf_i386_plt_sym_val
|
#define elf_backend_plt_sym_val elf_i386_plt_sym_val
|
#define elf_backend_hash_symbol elf_i386_hash_symbol
|
#define elf_backend_hash_symbol elf_i386_hash_symbol
|
|
#define elf_backend_add_symbol_hook elf_i386_add_symbol_hook
|
|
#undef elf_backend_post_process_headers
|
|
#define elf_backend_post_process_headers _bfd_elf_set_osabi
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
/* FreeBSD support. */
|
/* FreeBSD support. */
|
|
|
| Line 4045... |
Line 4654... |
/* The kernel recognizes executables as valid only if they carry a
|
/* The kernel recognizes executables as valid only if they carry a
|
"FreeBSD" label in the ELF header. So we put this label on all
|
"FreeBSD" label in the ELF header. So we put this label on all
|
executables and (for simplicity) also all other object files. */
|
executables and (for simplicity) also all other object files. */
|
|
|
static void
|
static void
|
elf_i386_post_process_headers (bfd *abfd,
|
elf_i386_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info)
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
|
{
|
{
|
Elf_Internal_Ehdr *i_ehdrp;
|
_bfd_elf_set_osabi (abfd, info);
|
|
|
i_ehdrp = elf_elfheader (abfd);
|
|
|
|
/* Put an ABI label supported by FreeBSD >= 4.1. */
|
|
i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi;
|
|
#ifdef OLD_FREEBSD_ABI_LABEL
|
#ifdef OLD_FREEBSD_ABI_LABEL
|
/* The ABI label supported by FreeBSD <= 4.0 is quite nonstandard. */
|
/* The ABI label supported by FreeBSD <= 4.0 is quite nonstandard. */
|
memcpy (&i_ehdrp->e_ident[EI_ABIVERSION], "FreeBSD", 8);
|
memcpy (&i_ehdrp->e_ident[EI_ABIVERSION], "FreeBSD", 8);
|
#endif
|
#endif
|
}
|
}
|
|
|
#undef elf_backend_post_process_headers
|
#undef elf_backend_post_process_headers
|
#define elf_backend_post_process_headers elf_i386_post_process_headers
|
#define elf_backend_post_process_headers elf_i386_fbsd_post_process_headers
|
#undef elf32_bed
|
#undef elf32_bed
|
#define elf32_bed elf32_i386_fbsd_bed
|
#define elf32_bed elf32_i386_fbsd_bed
|
|
|
|
#undef elf_backend_add_symbol_hook
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
/* VxWorks support. */
|
/* VxWorks support. */
|
|
|
#undef TARGET_LITTLE_SYM
|
#undef TARGET_LITTLE_SYM
|
