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authorRoland McGrath <roland@redhat.com>2010-04-05 19:43:05 -0700
committerRoland McGrath <roland@redhat.com>2010-04-05 19:47:27 -0700
commit7bfa311ff51999f9e92620268e493959a2f7bfb4 (patch)
treee08947e3d3a2774e2701bac49b3083900ea232c4 /elf/dl-support.c
parent4dd019e3a1c68e2988ac35a97c95a59cd307eb05 (diff)
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Obey LD_HWCAP_MASK in ld.so.cache lookups.roland/hwcap_mask
Diffstat (limited to 'elf/dl-support.c')
-rw-r--r--elf/dl-support.c10
1 files changed, 9 insertions, 1 deletions
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;