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author | Ed Schouten <ed@FreeBSD.org> | 2013-05-27 18:27:12 +0000 |
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committer | Ed Schouten <ed@FreeBSD.org> | 2013-05-27 18:27:12 +0000 |
commit | 11023dc647fd8f41418da90d59db138400d0f334 (patch) | |
tree | 50f0ab80515576749ef638dd0766b70a65904bfa /lib/asan/lit_tests/malloc_fill.cc | |
parent | 58aabf08b77d221489f10e274812ec60917c21a8 (diff) | |
download | src-11023dc647fd8f41418da90d59db138400d0f334.tar.gz src-11023dc647fd8f41418da90d59db138400d0f334.zip |
Import compiler-rt r182741.vendor/compiler-rt/compiler-rt-r182741
Notes
Notes:
svn path=/vendor/compiler-rt/dist/; revision=251034
svn path=/vendor/compiler-rt/compiler-rt-r182741/; revision=251036; tag=vendor/compiler-rt/compiler-rt-r182741
Diffstat (limited to 'lib/asan/lit_tests/malloc_fill.cc')
-rw-r--r-- | lib/asan/lit_tests/malloc_fill.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/malloc_fill.cc b/lib/asan/lit_tests/malloc_fill.cc new file mode 100644 index 000000000000..c23516b33299 --- /dev/null +++ b/lib/asan/lit_tests/malloc_fill.cc @@ -0,0 +1,22 @@ +// Check that we fill malloc-ed memory correctly. +// RUN: %clangxx_asan -m64 %s -o %t +// RUN: %t | FileCheck %s +// RUN: ASAN_OPTIONS=max_malloc_fill_size=10:malloc_fill_byte=8 %t | FileCheck %s --check-prefix=CHECK-10-8 +// RUN: ASAN_OPTIONS=max_malloc_fill_size=20:malloc_fill_byte=171 %t | FileCheck %s --check-prefix=CHECK-20-ab + +#include <stdio.h> +int main(int argc, char **argv) { + // With asan allocator this makes sure we get memory from mmap. + static const int kSize = 1 << 25; + unsigned char *x = new unsigned char[kSize]; + printf("-"); + for (int i = 0; i <= 32; i++) { + printf("%02x", x[i]); + } + printf("-\n"); + delete [] x; +} + +// CHECK: -bebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebe- +// CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000- +// CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000- |