mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
Properly set sh_info for .rela.plt/rel.plt section
Since .rela.plt/rel.plt section may contain relocations against .got.plt section, we set sh_info for .rela.plt/rel.plt section to .got.plt section index if target has .got.plt section. bfd/ PR ld/18169 * elf-bfd.h (elf_backend_data): Add get_reloc_section. (_bfd_elf_get_reloc_section): New. * elf.c (_bfd_elf_get_reloc_section): Likewise. (assign_section_numbers): Call get_reloc_section to look up the section the relocs apply. * elfxx-target.h (elf_backend_get_reloc_section): Likewise. (elfNN_bed): Initialize get_reloc_section with elf_backend_get_reloc_section. ld/testsuite/ PR ld/18169 * ld-elf/linkinfo1a.d: Updated. * ld-elf/linkinfo1b.d: Likewise.
This commit is contained in:
H.J. Lu
parent
457983e3a3
commit
bd53a53af4
@ -1,3 +1,15 @@
|
||||
2015-03-30 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
PR ld/18169
|
||||
* elf-bfd.h (elf_backend_data): Add get_reloc_section.
|
||||
(_bfd_elf_get_reloc_section): New.
|
||||
* elf.c (_bfd_elf_get_reloc_section): Likewise.
|
||||
(assign_section_numbers): Call get_reloc_section to look up the
|
||||
section the relocs apply.
|
||||
* elfxx-target.h (elf_backend_get_reloc_section): Likewise.
|
||||
(elfNN_bed): Initialize get_reloc_section with
|
||||
elf_backend_get_reloc_section.
|
||||
|
||||
2015-03-29 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* Makefile.am (ZLIB): New.
|
||||
|
||||
@ -1239,6 +1239,9 @@ struct elf_backend_data
|
||||
bfd_size_type (*maybe_function_sym) (const asymbol *sym, asection *sec,
|
||||
bfd_vma *code_off);
|
||||
|
||||
/* Return the section which RELOC_SEC applies to. */
|
||||
asection *(*get_reloc_section) (asection *reloc_sec);
|
||||
|
||||
/* Used to handle bad SHF_LINK_ORDER input. */
|
||||
bfd_error_handler_type link_order_error_handler;
|
||||
|
||||
@ -2247,6 +2250,8 @@ extern bfd_boolean _bfd_elf_is_function_type (unsigned int);
|
||||
extern bfd_size_type _bfd_elf_maybe_function_sym (const asymbol *, asection *,
|
||||
bfd_vma *);
|
||||
|
||||
extern asection *_bfd_elf_get_reloc_section (asection *);
|
||||
|
||||
extern int bfd_elf_get_default_section_type (flagword);
|
||||
|
||||
extern bfd_boolean bfd_elf_lookup_section_flags
|
||||
|
||||
43
bfd/elf.c
43
bfd/elf.c
@ -3074,6 +3074,40 @@ bfd_elf_set_group_contents (bfd *abfd, asection *sec, void *failedptrarg)
|
||||
H_PUT_32 (abfd, sec->flags & SEC_LINK_ONCE ? GRP_COMDAT : 0, loc);
|
||||
}
|
||||
|
||||
/* Return the section which RELOC_SEC applies to. */
|
||||
|
||||
asection *
|
||||
_bfd_elf_get_reloc_section (asection *reloc_sec)
|
||||
{
|
||||
const char *name;
|
||||
unsigned int type;
|
||||
bfd *abfd;
|
||||
|
||||
if (reloc_sec == NULL)
|
||||
return NULL;
|
||||
|
||||
type = elf_section_data (reloc_sec)->this_hdr.sh_type;
|
||||
if (type != SHT_REL && type != SHT_RELA)
|
||||
return NULL;
|
||||
|
||||
/* We look up the section the relocs apply to by name. */
|
||||
name = reloc_sec->name;
|
||||
if (type == SHT_REL)
|
||||
name += 4;
|
||||
else
|
||||
name += 5;
|
||||
|
||||
/* If a target needs .got.plt section, relocations in rela.plt/rel.plt
|
||||
section apply to .got.plt section. */
|
||||
abfd = reloc_sec->owner;
|
||||
if (get_elf_backend_data (abfd)->want_got_plt
|
||||
&& strcmp (name, ".plt") == 0)
|
||||
name = ".got.plt";
|
||||
|
||||
reloc_sec = bfd_get_section_by_name (abfd, name);
|
||||
return reloc_sec;
|
||||
}
|
||||
|
||||
/* Assign all ELF section numbers. The dummy first section is handled here
|
||||
too. The link/info pointers for the standard section types are filled
|
||||
in here too, while we're at it. */
|
||||
@ -3209,7 +3243,6 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
|
||||
for (sec = abfd->sections; sec; sec = sec->next)
|
||||
{
|
||||
asection *s;
|
||||
const char *name;
|
||||
|
||||
d = elf_section_data (sec);
|
||||
|
||||
@ -3313,13 +3346,7 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
|
||||
if (s != NULL)
|
||||
d->this_hdr.sh_link = elf_section_data (s)->this_idx;
|
||||
|
||||
/* We look up the section the relocs apply to by name. */
|
||||
name = sec->name;
|
||||
if (d->this_hdr.sh_type == SHT_REL)
|
||||
name += 4;
|
||||
else
|
||||
name += 5;
|
||||
s = bfd_get_section_by_name (abfd, name);
|
||||
s = get_elf_backend_data (abfd)->get_reloc_section (sec);
|
||||
if (s != NULL)
|
||||
{
|
||||
d->this_hdr.sh_info = elf_section_data (s)->this_idx;
|
||||
|
||||
@ -672,6 +672,10 @@
|
||||
#define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
|
||||
#endif
|
||||
|
||||
#ifndef elf_backend_get_reloc_section
|
||||
#define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
|
||||
#endif
|
||||
|
||||
#ifndef elf_match_priority
|
||||
#define elf_match_priority \
|
||||
(ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
|
||||
@ -769,6 +773,7 @@ static struct elf_backend_data elfNN_bed =
|
||||
elf_backend_hash_symbol,
|
||||
elf_backend_is_function_type,
|
||||
elf_backend_maybe_function_sym,
|
||||
elf_backend_get_reloc_section,
|
||||
elf_backend_link_order_error_handler,
|
||||
elf_backend_relplt_name,
|
||||
ELF_MACHINE_ALT1,
|
||||
|
||||
@ -1,3 +1,9 @@
|
||||
2015-03-30 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
PR ld/18169
|
||||
* ld-elf/linkinfo1a.d: Updated.
|
||||
* ld-elf/linkinfo1b.d: Likewise.
|
||||
|
||||
2015-03-27 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* ld-x86-64/pr18160.d: Don't run for x86_64-*-nacl* target.
|
||||
|
||||
@ -4,5 +4,7 @@
|
||||
#target: x86_64-* i?86-*
|
||||
|
||||
#...
|
||||
\[[ 0-9]+\] \.rel[a]?\.plt[ \t]+REL[A]?[ \t][ \t0-9a-f]+AI[ \t0-9a-f]+
|
||||
\[[ 0-9]+\] \.rel[a]?\.plt[ \t]+REL[A]?[ \t][ \t0-9a-f]+AI[ \t]+[0-9a-f]+[ \t]+9[ \t]+[0-9a-f]+
|
||||
#...
|
||||
\[[ 9\] \.got.plt[ \t]+PROGBITS?[ \t][ \t0-9a-f]+WA[ \t]+[0-9a-f]+[ \t]+0[ \t]+[0-9a-f]+
|
||||
#pass
|
||||
|
||||
@ -5,5 +5,7 @@
|
||||
#target: x86_64-* i?86-*
|
||||
|
||||
#...
|
||||
\[[ 0-9]+\] \.rel[a]?\.plt[ \t]+REL[A]?[ \t][ \t0-9a-f]+AI[ \t0-9a-f]+
|
||||
\[[ 0-9]+\] \.rel[a]?\.plt[ \t]+REL[A]?[ \t][ \t0-9a-f]+AI[ \t]+[0-9a-f]+[ \t]+9[ \t]+[0-9a-f]+
|
||||
#...
|
||||
\[[ 9\] \.got.plt[ \t]+PROGBITS?[ \t][ \t0-9a-f]+WA[ \t]+[0-9a-f]+[ \t]+0[ \t]+[0-9a-f]+
|
||||
#pass
|
||||
|
||||
Loading…
Reference in New Issue
Block a user