diff options
| author | Andreas Schwab <schwab@redhat.com> | 2010-04-12 13:40:20 +0200 |
|---|---|---|
| committer | Andreas Schwab <schwab@redhat.com> | 2010-04-12 13:40:20 +0200 |
| commit | 1fd194fb757480a11ebd877e17dd627c90d76dd1 (patch) | |
| tree | 9ad22d95dd8673bc036d14b0055a8dcd6febe09e /elf | |
| parent | 4ac4e460b116fb6da6e80124f4c4f6968eb86341 (diff) | |
| parent | ea42a20caed5b343ff20a0d4622ae6c17b77161b (diff) | |
| download | glibc-1fd194fb757480a11ebd877e17dd627c90d76dd1.tar.gz glibc-1fd194fb757480a11ebd877e17dd627c90d76dd1.tar.xz glibc-1fd194fb757480a11ebd877e17dd627c90d76dd1.zip | |
Merge remote branch 'origin/master' into fedora/master
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-cache.c | 13 | ||||
| -rw-r--r-- | elf/dl-support.c | 10 |
2 files changed, 17 insertions, 6 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); } diff --git a/elf/dl-support.c b/elf/dl-support.c index bcf0e2a560..65b25750de 100644 --- a/elf/dl-support.c +++ b/elf/dl-support.c @@ -1,5 +1,5 @@ /* Support for dynamic linking code in static libc. - Copyright (C) 1996-2008, 2009 Free Software Foundation, Inc. + Copyright (C) 1996-2008,2009,2010 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 @@ -126,6 +126,14 @@ ElfW(Phdr) *_dl_phdr; size_t _dl_phnum; uint64_t _dl_hwcap __attribute__ ((nocommon)); +/* This is not initialized to HWCAP_IMPORTANT, matching the definition + of _dl_important_hwcaps, below, where no hwcap strings are ever + used. This mask is still used to mediate the lookups in the cache + file. Since there is no way to set this nonzero (we don't grok the + LD_HWCAP_MASK environment variable here), there is no real point in + setting _dl_hwcap nonzero below, but we do anyway. */ +uint64_t _dl_hwcap_mask __attribute__ ((nocommon)); + /* Prevailing state of the stack, PF_X indicating it's executable. */ ElfW(Word) _dl_stack_flags = PF_R|PF_W|PF_X; |