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Get address sanitizer mostly working

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This commit is contained in:
Justine Tunney 2020-09-03 05:44:37 -07:00
parent 1f1f3cd477
commit 7327c345f9
149 changed files with 3777 additions and 3457 deletions
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10
third_party/dlmalloc/dlmemalign-impl.c vendored
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@ -1,15 +1,15 @@
#include "libc/bits/bits.h"
#include "libc/mem/mem.h"
#include "libc/sysv/errfuns.h"
#include "third_party/dlmalloc/dlmalloc.h"
void* dlmemalign$impl(mstate m, size_t alignment, size_t bytes) {
void* mem = 0;
if (alignment < MIN_CHUNK_SIZE) /* must be at least a minimum chunk size */
alignment = MIN_CHUNK_SIZE;
if (alignment < MIN_CHUNK_SIZE) { /* must be at least a minimum chunk size */
alignment = MIN_CHUNK_SIZE; /* is 32 bytes on NexGen32e */
}
if ((alignment & (alignment - SIZE_T_ONE)) != 0) { /* Ensure a power of 2 */
size_t a = MALLOC_ALIGNMENT << 1;
while (a < alignment) a <<= 1;
alignment = a;
alignment = roundup2pow(alignment);
}
if (bytes >= MAX_REQUEST - alignment) {
if (m != 0) { /* Test isn't needed but avoids compiler warning */