lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-08 17:42:12 +03:00
Code Activity

sparc: Fix la_symbind for bind-now (BZ 23734)

Browse Source 
The sparc ABI has multiple cases on how to handle JMP_SLOT relocations,
(sparc_fixup_plt/sparc64_fixup_plt).  For BINDNOW, _dl_audit_symbind
will be responsible to setup the final relocation value; while for
lazy binding _dl_fixup/_dl_profile_fixup will call the audit callback
and tail cail elf_machine_fixup_plt (which will call
sparc64_fixup_plt).

This patch fixes by issuing the SPARC specific routine on bindnow and
forwarding the audit value to elf_machine_fixup_plt for lazy resolution.
It fixes the la_symbind for bind-now tests on sparc64 and sparcv9:

  elf/tst-audit24a
  elf/tst-audit24b
  elf/tst-audit24c
  elf/tst-audit24d

Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
This commit is contained in:
Adhemerval Zanella
2023-07-10 17:01:00 -03:00
parent ca230f5833
commit dddc88587a
9 changed files with 66 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
elf/dl-audit.c
View File

@@ -176,8 +176,8 @@ rtld_hidden_def (_dl_audit_symbind_alt)
void
_dl_audit_symbind (struct link_map *l, struct reloc_result *reloc_result,
const ElfW(Sym) *defsym, DL_FIXUP_VALUE_TYPE *value,
lookup_t result)
const void *reloc, const ElfW(Sym) *defsym,
DL_FIXUP_VALUE_TYPE *value, lookup_t result, bool lazy)
{
bool for_jmp_slot = reloc_result == NULL;
@@ -259,7 +259,7 @@ _dl_audit_symbind (struct link_map *l, struct reloc_result *reloc_result,
}
if (flags & LA_SYMB_ALTVALUE)
DL_FIXUP_BINDNOW_RELOC (value, new_value, sym.st_value);
DL_FIXUP_BINDNOW_RELOC (l, reloc, value, new_value, sym.st_value, lazy);
}
void