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Bug 961394 - update MOZ_ASAN_BLACKLIST to work with recent versions of GCC; r=ehsan

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This commit is contained in:
Nathan Froyd 2014-01-21 12:51:03 -05:00
parent e58c03168c
commit a462719ae3
1 changed files with 13 additions and 6 deletions
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19
mfbt/Attributes.h
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@ -155,16 +155,23 @@
/*
* MOZ_ASAN_BLACKLIST is a macro to tell AddressSanitizer (a compile-time
* instrumentation shipped with Clang) to not instrument the annotated function.
* Furthermore, it will prevent the compiler from inlining the function because
* inlining currently breaks the blacklisting mechanism of AddressSanitizer.
* instrumentation shipped with Clang and GCC) to not instrument the annotated
* function. Furthermore, it will prevent the compiler from inlining the
* function because inlining currently breaks the blacklisting mechanism of
* AddressSanitizer.
*/
#if defined(__has_feature)
# if __has_feature(address_sanitizer)
# define MOZ_ASAN_BLACKLIST MOZ_NEVER_INLINE __attribute__((no_sanitize_address))
# else
# define MOZ_ASAN_BLACKLIST /* nothing */
# define MOZ_HAVE_ASAN_BLACKLIST
# endif
#elif defined(__GNUC__)
# if defined(__SANITIZE_ADDRESS__)
# define MOZ_HAVE_ASAN_BLACKLIST
# endif
#endif
#if defined(MOZ_HAVE_ASAN_BLACKLIST)
# define MOZ_ASAN_BLACKLIST MOZ_NEVER_INLINE __attribute__((no_sanitize_address))
#else
# define MOZ_ASAN_BLACKLIST /* nothing */
#endif