/* Alpha specific support for 64-bit ELF
- Copyright (C) 1996-2016 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@tamu.edu>.
This file is part of BFD, the Binary File Descriptor library.
| SEC_LINKER_CREATED
| (elf64_alpha_use_secureplt ? SEC_READONLY : 0));
s = bfd_make_section_anyway_with_flags (abfd, ".plt", flags);
+ elf_hash_table (info)->splt = s;
if (s == NULL || ! bfd_set_section_alignment (abfd, s, 4))
return FALSE;
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED | SEC_READONLY);
s = bfd_make_section_anyway_with_flags (abfd, ".rela.plt", flags);
+ elf_hash_table (info)->srelplt = s;
if (s == NULL || ! bfd_set_section_alignment (abfd, s, 3))
return FALSE;
{
flags = SEC_ALLOC | SEC_LINKER_CREATED;
s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
+ elf_hash_table (info)->sgotplt = s;
if (s == NULL || ! bfd_set_section_alignment (abfd, s, 3))
return FALSE;
}
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
| SEC_LINKER_CREATED | SEC_READONLY);
s = bfd_make_section_anyway_with_flags (abfd, ".rela.got", flags);
+ elf_hash_table (info)->srelgot = s;
if (s == NULL
|| !bfd_set_section_alignment (abfd, s, 3))
return FALSE;
{
h->needs_plt = TRUE;
- s = bfd_get_linker_section (dynobj, ".plt");
+ s = elf_hash_table(info)->splt;
if (!s && !elf64_alpha_create_dynamic_sections (dynobj, info))
return FALSE;
{
asection *splt, *spltrel, *sgotplt;
unsigned long entries;
- bfd *dynobj;
struct alpha_elf_link_hash_table * htab;
htab = alpha_elf_hash_table (info);
if (htab == NULL)
return;
- dynobj = elf_hash_table(info)->dynobj;
- splt = bfd_get_linker_section (dynobj, ".plt");
+ splt = elf_hash_table(info)->splt;
if (splt == NULL)
return;
elf64_alpha_size_plt_section_1, splt);
/* Every plt entry requires a JMP_SLOT relocation. */
- spltrel = bfd_get_linker_section (dynobj, ".rela.plt");
+ spltrel = elf_hash_table(info)->srelplt;
entries = 0;
if (splt->size)
{
entire contents of the .got.plt section. */
if (elf64_alpha_use_secureplt)
{
- sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
+ sgotplt = elf_hash_table(info)->sgotplt;
sgotplt->size = entries ? 16 : 0;
}
}
if (entries > 0)
{
- bfd *dynobj = elf_hash_table(info)->dynobj;
- asection *srel = bfd_get_linker_section (dynobj, ".rela.got");
+ asection *srel = elf_hash_table(info)->srelgot;
BFD_ASSERT (srel != NULL);
srel->size += sizeof (Elf64_External_Rela) * entries;
}
elf64_alpha_size_rela_got_section (struct bfd_link_info *info)
{
unsigned long entries;
- bfd *i, *dynobj;
+ bfd *i;
asection *srel;
struct alpha_elf_link_hash_table * htab;
}
}
- dynobj = elf_hash_table(info)->dynobj;
- srel = bfd_get_linker_section (dynobj, ".rela.got");
+ srel = elf_hash_table(info)->srelgot;
if (!srel)
{
BFD_ASSERT (entries == 0);
{
bfd *dynobj;
asection *s;
- bfd_boolean relplt;
+ bfd_boolean relplt, relocs;
struct alpha_elf_link_hash_table * htab;
htab = alpha_elf_hash_table (info);
determined the sizes of the various dynamic sections. Allocate
memory for them. */
relplt = FALSE;
+ relocs = FALSE;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
{
if (strcmp (name, ".rela.plt") == 0)
relplt = TRUE;
+ else
+ relocs = TRUE;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
return FALSE;
}
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
- return FALSE;
-
- if (info->flags & DF_TEXTREL)
+ if (relocs)
{
- if (!add_dynamic_entry (DT_TEXTREL, 0))
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf64_External_Rela)))
return FALSE;
+
+ if (info->flags & DF_TEXTREL)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
}
}
#undef add_dynamic_entry
if (tsec_relocs == NULL)
return 0;
tsec_relend = tsec_relocs + info->tsec->reloc_count;
- tsec_free = (info->link_info->keep_memory ? NULL : tsec_relocs);
+ tsec_free = (elf_section_data (info->tsec)->relocs == tsec_relocs
+ ? NULL
+ : tsec_relocs);
}
/* Recover the symbol's offset within the section. */
symtab_hdr = &elf_symtab_hdr (input_bfd);
dynobj = elf_hash_table (info)->dynobj;
- if (dynobj)
- srelgot = bfd_get_linker_section (dynobj, ".rela.got");
- else
- srelgot = NULL;
+ srelgot = elf_hash_table (info)->srelgot;
if (input_section->flags & SEC_ALLOC)
{
Elf_Internal_Sym *sym)
{
struct alpha_elf_link_hash_entry *ah = (struct alpha_elf_link_hash_entry *)h;
- bfd *dynobj = elf_hash_table(info)->dynobj;
if (h->needs_plt)
{
BFD_ASSERT (h->dynindx != -1);
- splt = bfd_get_linker_section (dynobj, ".plt");
+ splt = elf_hash_table (info)->splt;
BFD_ASSERT (splt != NULL);
- srel = bfd_get_linker_section (dynobj, ".rela.plt");
+ srel = elf_hash_table (info)->srelplt;
BFD_ASSERT (srel != NULL);
for (gotent = ah->got_entries; gotent ; gotent = gotent->next)
asection *srel;
struct alpha_elf_got_entry *gotent;
- srel = bfd_get_linker_section (dynobj, ".rela.got");
+ srel = elf_hash_table (info)->srelgot;
BFD_ASSERT (srel != NULL);
for (gotent = ((struct alpha_elf_link_hash_entry *) h)->got_entries;
Elf64_External_Dyn *dyncon, *dynconend;
bfd_vma plt_vma, gotplt_vma;
- splt = bfd_get_linker_section (dynobj, ".plt");
- srelaplt = bfd_get_linker_section (dynobj, ".rela.plt");
+ splt = elf_hash_table (info)->splt;
+ srelaplt = elf_hash_table (info)->srelplt;
BFD_ASSERT (splt != NULL && sdyn != NULL);
plt_vma = splt->output_section->vma + splt->output_offset;
gotplt_vma = 0;
if (elf64_alpha_use_secureplt)
{
- sgotplt = bfd_get_linker_section (dynobj, ".got.plt");
+ sgotplt = elf_hash_table (info)->sgotplt;
BFD_ASSERT (sgotplt != NULL);
if (sgotplt->size > 0)
gotplt_vma = sgotplt->output_section->vma + sgotplt->output_offset;
dyn.d_un.d_ptr = srelaplt ? (srelaplt->output_section->vma
+ srelaplt->output_offset) : 0;
break;
-
- case DT_RELASZ:
- /* My interpretation of the TIS v1.1 ELF document indicates
- that RELASZ should not include JMPREL. This is not what
- the rest of the BFD does. It is, however, what the
- glibc ld.so wants. Do this fixup here until we found
- out who is right. */
- if (srelaplt)
- dyn.d_un.d_val -= srelaplt->size;
- break;
}
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 1
#define elf_backend_got_header_size 0
+#define elf_backend_dtrel_excludes_plt 1
#include "elf64-target.h"
\f
projects / deliverable / binutils-gdb.git / blobdiff