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* elf64-x86-64.c (elf64_x86_64_check_relocs): Set DF_TEXTREL if

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the reloc is against read-only section.
	(elf64_x86_64_size_dynamic_sections): Use DF_TEXTREL flag instead
	of looking up section names for DT_TEXTREL.
	(elf64_x86_64_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
This commit is contained in:
Andreas Jaeger 2001-08-23 18:14:29 +00:00
parent f4ffd77818
commit 8df9fc9d6a
2 changed files with 34 additions and 27 deletions
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9
bfd/ChangeLog
View File

@ -1,3 +1,12 @@
2001-08-23 Andreas Jaeger <aj@suse.de>
* elf64-x86-64.c (elf64_x86_64_check_relocs): Set DF_TEXTREL if
the reloc is against read-only section.
(elf64_x86_64_size_dynamic_sections): Use DF_TEXTREL flag instead
of looking up section names for DT_TEXTREL.
(elf64_x86_64_reloc_type_class): New.
(elf_backend_reloc_type_class): Define.
2001-08-23 H.J. Lu <hjl@gnu.org>
* syms.c (bfd_print_symbol_vandf): Add abfd to arg.

52
bfd/elf64-x86-64.c
View File

@ -153,6 +153,7 @@ static boolean elf64_x86_64_finish_dynamic_symbol
Elf_Internal_Sym *sym));
static boolean elf64_x86_64_finish_dynamic_sections
PARAMS ((bfd *, struct bfd_link_info *));
static enum elf_reloc_type_class elf64_x86_64_reloc_type_class PARAMS ((int));
/* Given a BFD reloc type, return a HOWTO structure. */
static reloc_howto_type *
@ -576,6 +577,8 @@ elf64_x86_64_check_relocs (abfd, info, sec, relocs)
|| ! bfd_set_section_alignment (dynobj, sreloc, 3))
return false;
}
if (sec->flags & SEC_READONLY)
info->flags |= DF_TEXTREL;
}
sreloc->_raw_size += sizeof (Elf64_External_Rela);
@ -946,14 +949,13 @@ elf64_x86_64_adjust_dynamic_symbol (info, h)
static boolean
elf64_x86_64_size_dynamic_sections (output_bfd, info)
bfd *output_bfd;
bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
bfd *dynobj;
asection *s;
boolean plt;
boolean relocs;
boolean reltext;
dynobj = elf_hash_table (info)->dynobj;
BFD_ASSERT (dynobj != NULL);
@ -993,7 +995,7 @@ elf64_x86_64_size_dynamic_sections (output_bfd, info)
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
plt = relocs = reltext = false;
plt = relocs = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
const char *name;
@ -1038,29 +1040,8 @@ elf64_x86_64_size_dynamic_sections (output_bfd, info)
}
else
{
asection *target;
/* Remember whether there are any reloc sections other
than .rela.plt. */
if (strcmp (name, ".rela.plt") != 0)
{
const char *outname;
relocs = true;
/* If this relocation section applies to a read only
section, then we probably need a DT_TEXTREL
entry. The entries in the .rela.plt section
really apply to the .got section, which we
created ourselves and so know is not readonly. */
outname = bfd_get_section_name (output_bfd,
s->output_section);
target = bfd_get_section_by_name (output_bfd, outname + 5);
if (target != NULL
&& (target->flags & SEC_READONLY) != 0
&& (target->flags & SEC_ALLOC) != 0)
reltext = true;
}
relocs = true;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
@ -1120,11 +1101,10 @@ elf64_x86_64_size_dynamic_sections (output_bfd, info)
return false;
}
if (reltext)
if ((info->flags & DF_TEXTREL) != 0)
{
if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
info->flags |= DF_TEXTREL;
}
}
@ -1949,6 +1929,23 @@ elf64_x86_64_finish_dynamic_sections (output_bfd, info)
return true;
}
static enum elf_reloc_type_class
elf64_x86_64_reloc_type_class (type)
int type;
{
switch (type)
{
case R_X86_64_RELATIVE:
return reloc_class_relative;
case R_X86_64_JUMP_SLOT:
return reloc_class_plt;
case R_X86_64_COPY:
return reloc_class_copy;
default:
return reloc_class_normal;
}
}
#define TARGET_LITTLE_SYM bfd_elf64_x86_64_vec
#define TARGET_LITTLE_NAME "elf64-x86-64"
#define ELF_ARCH bfd_arch_i386
@ -1980,5 +1977,6 @@ elf64_x86_64_finish_dynamic_sections (output_bfd, info)
#define elf_backend_relocate_section elf64_x86_64_relocate_section
#define elf_backend_size_dynamic_sections elf64_x86_64_size_dynamic_sections
#define elf_backend_object_p elf64_x86_64_elf_object_p
#define elf_backend_reloc_type_class elf64_x86_64_reloc_type_class
#include "elf64-target.h"