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[ASan] don't run hacky test for __asan_get_free_bytes() on 32-bits 

llvm-svn: 166771
This commit is contained in:
Alexey Samsonov 2012-10-26 12:10:24 +00:00
parent 0f9cff1ab8
commit 23b9199776
1 changed files with 18 additions and 15 deletions
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33
compiler-rt/lib/asan/tests/asan_noinst_test.cc
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@ -460,25 +460,28 @@ static void DoLargeMallocForGetFreeBytesTestAndDie() {
} }
TEST(AddressSanitizerInterface, GetFreeBytesTest) { TEST(AddressSanitizerInterface, GetFreeBytesTest) {
static const size_t kNumOfChunks = 100;
static const size_t kChunkSize = 100;
char *chunks[kNumOfChunks];
size_t i;
size_t old_free_bytes, new_free_bytes;
// Allocate a small chunk. Now allocator probably has a lot of these // Allocate a small chunk. Now allocator probably has a lot of these
// chunks to fulfill future requests. So, future requests will decrease // chunks to fulfill future requests. So, future requests will decrease
// the number of free bytes. // the number of free bytes. Do this only on systems where there
chunks[0] = Ident((char*)malloc(kChunkSize)); // is enough memory for such assumptions.
old_free_bytes = __asan_get_free_bytes(); if (__WORDSIZE == 64 && !ASAN_LOW_MEMORY) {
for (i = 1; i < kNumOfChunks; i++) { static const size_t kNumOfChunks = 100;
chunks[i] = Ident((char*)malloc(kChunkSize)); static const size_t kChunkSize = 100;
new_free_bytes = __asan_get_free_bytes(); char *chunks[kNumOfChunks];
EXPECT_LT(new_free_bytes, old_free_bytes); size_t i;
old_free_bytes = new_free_bytes; size_t old_free_bytes, new_free_bytes;
chunks[0] = Ident((char*)malloc(kChunkSize));
old_free_bytes = __asan_get_free_bytes();
for (i = 1; i < kNumOfChunks; i++) {
chunks[i] = Ident((char*)malloc(kChunkSize));
new_free_bytes = __asan_get_free_bytes();
EXPECT_LT(new_free_bytes, old_free_bytes);
old_free_bytes = new_free_bytes;
}
for (i = 0; i < kNumOfChunks; i++)
free(chunks[i]);
} }
EXPECT_DEATH(DoLargeMallocForGetFreeBytesTestAndDie(), "double-free"); EXPECT_DEATH(DoLargeMallocForGetFreeBytesTestAndDie(), "double-free");
for (i = 0; i < kNumOfChunks; i++)
free(chunks[i]);
} }
static const size_t kManyThreadsMallocSizes[] = {5, 1UL<<10, 1UL<<20, 357}; static const size_t kManyThreadsMallocSizes[] = {5, 1UL<<10, 1UL<<20, 357};