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[Sanitizer] include stdlib.h header to get malloc/free 

llvm-svn: 158144
This commit is contained in:
Alexey Samsonov 2012-06-07 09:26:13 +00:00
parent 0b14fd855b
commit 94e2b7d040
1 changed files with 3 additions and 5 deletions
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8
compiler-rt/lib/sanitizer_common/sanitizer_allocator.cc
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@ -13,18 +13,16 @@
//===----------------------------------------------------------------------===//
#include "sanitizer_common.h"
// Provisional implementation.
// FIXME: We should probably use more low-level allocator that would
// mmap some pages and split them into chunks to fulfill requests.
extern "C" void *__libc_malloc(__sanitizer::uptr size);
extern "C" void __libc_free(void *ptr);
#include <stdlib.h>
namespace __sanitizer {
static const u64 kInternalAllocBlockMagic = 0x7A6CB03ABCEBC042ull;
void *InternalAlloc(uptr size) {
void *p = __libc_malloc(size + sizeof(u64));
void *p = malloc(size + sizeof(u64));
((u64*)p)[0] = kInternalAllocBlockMagic;
return (char*)p + sizeof(u64);
}
@ -34,7 +32,7 @@ void InternalFree(void *addr) {
addr = (char*)addr - sizeof(u64);
CHECK_EQ(((u64*)addr)[0], kInternalAllocBlockMagic);
((u64*)addr)[0] = 0;
__libc_free(addr);
free(addr);
}
} // namespace __sanitizer