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Use zero-based shadow by default on Android. 

llvm-svn: 157318
This commit is contained in:
Evgeniy Stepanov 2012-05-23 11:52:37 +00:00
parent 617232f32b
commit 8f247016bd
1 changed files with 13 additions and 8 deletions
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5
compiler-rt/lib/asan/asan_mapping.h
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@ -25,12 +25,17 @@ extern __attribute__((visibility("default"))) uintptr_t __asan_mapping_offset;
# define SHADOW_SCALE (__asan_mapping_scale) # define SHADOW_SCALE (__asan_mapping_scale)
# define SHADOW_OFFSET (__asan_mapping_offset) # define SHADOW_OFFSET (__asan_mapping_offset)
#else #else
# ifdef ANDROID
# define SHADOW_SCALE (3)
# define SHADOW_OFFSET (0)
# else
# define SHADOW_SCALE (3) # define SHADOW_SCALE (3)
# if __WORDSIZE == 32 # if __WORDSIZE == 32
# define SHADOW_OFFSET (1 << 29) # define SHADOW_OFFSET (1 << 29)
# else # else
# define SHADOW_OFFSET (1ULL << 44) # define SHADOW_OFFSET (1ULL << 44)
# endif # endif
# endif
#endif // ASAN_FLEXIBLE_MAPPING_AND_OFFSET #endif // ASAN_FLEXIBLE_MAPPING_AND_OFFSET
#define SHADOW_GRANULARITY (1ULL << SHADOW_SCALE) #define SHADOW_GRANULARITY (1ULL << SHADOW_SCALE)