diff options
| author | Ryan S. Arnold <rsa@linux.vnet.ibm.com> | 2013-06-28 16:50:48 -0500 |
|---|---|---|
| committer | Ryan S. Arnold <rsa@linux.vnet.ibm.com> | 2013-06-28 16:50:48 -0500 |
| commit | 1ae8bfe07c1ab2444cc1d186321ff1431a1b9f96 (patch) | |
| tree | f7a784d6c5727eb0b1c0209a77db2ad99a36d92d /elf | |
| parent | 8fbec010989a242f6eb17be837255502c459977d (diff) | |
| download | glibc-1ae8bfe07c1ab2444cc1d186321ff1431a1b9f96.tar.gz glibc-1ae8bfe07c1ab2444cc1d186321ff1431a1b9f96.tar.xz glibc-1ae8bfe07c1ab2444cc1d186321ff1431a1b9f96.zip | |
Add GLRO(dl_hwcap2) for new AT_HWCAP2 auxv_t a_type.
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-support.c | 4 | ||||
| -rw-r--r-- | elf/dl-sysdep.c | 10 |
2 files changed, 11 insertions, 3 deletions
diff --git a/elf/dl-support.c b/elf/dl-support.c index 76752f33f3..5a082feb7a 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -165,6 +165,7 @@ ElfW(auxv_t) *_dl_auxv; const ElfW(Phdr) *_dl_phdr; size_t _dl_phnum; uint64_t _dl_hwcap __attribute__ ((nocommon)); +uint64_t _dl_hwcap2 __attribute__ ((nocommon)); /* This is not initialized to HWCAP_IMPORTANT, matching the definition of _dl_important_hwcaps, below, where no hwcap strings are ever @@ -249,6 +250,9 @@ _dl_aux_init (ElfW(auxv_t) *av) case AT_HWCAP: GLRO(dl_hwcap) = (unsigned long int) av->a_un.a_val; break; + case AT_HWCAP2: + GLRO(dl_hwcap2) = (unsigned long int) av->a_un.a_val; + break; #ifdef NEED_DL_SYSINFO case AT_SYSINFO: GL(dl_sysinfo) = av->a_un.a_val; diff --git a/elf/dl-sysdep.c b/elf/dl-sysdep.c index 52de23f44b..08c74ef83b 100644 --- a/elf/dl-sysdep.c +++ b/elf/dl-sysdep.c @@ -156,6 +156,9 @@ _dl_sysdep_start (void **start_argptr, case AT_HWCAP: GLRO(dl_hwcap) = (unsigned long int) av->a_un.a_val; break; + case AT_HWCAP2: + GLRO(dl_hwcap2) = (unsigned long int) av->a_un.a_val; + break; case AT_CLKTCK: GLRO(dl_clktck) = av->a_un.a_val; break; @@ -303,6 +306,7 @@ _dl_show_auxv (void) [AT_SYSINFO - 2] = { "SYSINFO: 0x", hex }, [AT_SYSINFO_EHDR - 2] = { "SYSINFO_EHDR: 0x", hex }, [AT_RANDOM - 2] = { "RANDOM: 0x", hex }, + [AT_HWCAP2 - 2] = { "HWCAP2: 0x", hex }, }; unsigned int idx = (unsigned int) (av->a_type - 2); @@ -314,10 +318,10 @@ _dl_show_auxv (void) assert (AT_NULL == 0); assert (AT_IGNORE == 1); - if (av->a_type == AT_HWCAP) + if (av->a_type == AT_HWCAP || av->a_type == AT_HWCAP2) { - /* This is handled special. */ - if (_dl_procinfo (av->a_un.a_val) == 0) + /* These are handled in a special way per platform. */ + if (_dl_procinfo (av->a_type, av->a_un.a_val) == 0) continue; } |