diff options
Diffstat (limited to 'sysdeps/i386/dl-machine.h')
| -rw-r--r-- | sysdeps/i386/dl-machine.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h index 1afdcbd9ea..f6cfb90e21 100644 --- a/sysdeps/i386/dl-machine.h +++ b/sysdeps/i386/dl-machine.h @@ -67,6 +67,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) Elf32_Addr *got; extern void _dl_runtime_resolve (Elf32_Word) attribute_hidden; extern void _dl_runtime_profile (Elf32_Word) attribute_hidden; + extern void _dl_runtime_resolve_shstk (Elf32_Word) attribute_hidden; + extern void _dl_runtime_profile_shstk (Elf32_Word) attribute_hidden; + /* Check if SHSTK is enabled by kernel. */ + bool shstk_enabled + = (GL(dl_x86_feature_1)[0] & GNU_PROPERTY_X86_FEATURE_1_SHSTK) != 0; if (l->l_info[DT_JMPREL] && lazy) { @@ -93,7 +98,9 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) end in this function. */ if (__glibc_unlikely (profile)) { - got[2] = (Elf32_Addr) &_dl_runtime_profile; + got[2] = (shstk_enabled + ? (Elf32_Addr) &_dl_runtime_profile_shstk + : (Elf32_Addr) &_dl_runtime_profile); if (GLRO(dl_profile) != NULL && _dl_name_match_p (GLRO(dl_profile), l)) @@ -104,7 +111,9 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile) else /* This function will get called to fix up the GOT entry indicated by the offset on the stack, and then jump to the resolved address. */ - got[2] = (Elf32_Addr) &_dl_runtime_resolve; + got[2] = (shstk_enabled + ? (Elf32_Addr) &_dl_runtime_resolve_shstk + : (Elf32_Addr) &_dl_runtime_resolve); } return lazy; |