diff options
| author | Roland McGrath <roland@redhat.com> | 2010-04-05 19:43:05 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@redhat.com> | 2010-04-05 19:47:27 -0700 |
| commit | 7bfa311ff51999f9e92620268e493959a2f7bfb4 (patch) | |
| tree | e08947e3d3a2774e2701bac49b3083900ea232c4 /elf/dl-cache.c | |
| parent | 4dd019e3a1c68e2988ac35a97c95a59cd307eb05 (diff) | |
| download | glibc-7bfa311ff51999f9e92620268e493959a2f7bfb4.tar.gz | |
Obey LD_HWCAP_MASK in ld.so.cache lookups.roland/hwcap_mask
Diffstat (limited to 'elf/dl-cache.c')
| -rw-r--r-- | elf/dl-cache.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/elf/dl-cache.c b/elf/dl-cache.c index bbeba77e4a..5a01c2ed1d 100644 --- a/elf/dl-cache.c +++ b/elf/dl-cache.c @@ -1,5 +1,6 @@ /* Support for reading /etc/ld.so.cache files written by Linux ldconfig. - Copyright (C) 1996-2002, 2003, 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 1996-2002,2003,2004,2006,2010 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -255,17 +256,19 @@ _dl_load_cache_lookup (const char *name) if (platform != (uint64_t) -1) platform = 1ULL << platform; - /* Only accept hwcap if it's for the right platform. */ #define _DL_HWCAP_TLS_MASK (1LL << 63) + uint64_t hwcap_exclude = ~((GLRO(dl_hwcap) & GLRO(dl_hwcap_mask)) + | _DL_HWCAP_PLATFORM | _DL_HWCAP_TLS_MASK); + + /* Only accept hwcap if it's for the right platform. */ #define HWCAP_CHECK \ + if (lib->hwcap & hwcap_exclude) \ + continue; \ if (GLRO(dl_osversion) && lib->osversion > GLRO(dl_osversion)) \ continue; \ if (_DL_PLATFORMS_COUNT \ && (lib->hwcap & _DL_HWCAP_PLATFORM) != 0 \ && (lib->hwcap & _DL_HWCAP_PLATFORM) != platform) \ - continue; \ - if (lib->hwcap \ - & ~(GLRO(dl_hwcap) | _DL_HWCAP_PLATFORM | _DL_HWCAP_TLS_MASK)) \ continue SEARCH_CACHE (cache_new); } |