32   void OnMap(uptr p, uptr size) const {}  in OnMap()
33   void OnUnmap(uptr p, uptr size) const {  in OnUnmap()
34     __msan_unpoison((void *)p, size);  in OnUnmap()
39     ReleaseMemoryPagesToOS(shadow_p, shadow_p + size);  in OnUnmap()
42       ReleaseMemoryPagesToOS(origin_p, origin_p + size);  in OnUnmap()
154 static void *MsanAllocate(StackTrace *stack, uptr size, uptr alignment,  in MsanAllocate()  argument
156   if (size > max_malloc_size) {  in MsanAllocate()
158       Report("WARNING: MemorySanitizer failed to allocate 0x%zx bytes\n", size);  in MsanAllocate()
161     ReportAllocationSizeTooBig(size, max_malloc_size, stack);  in MsanAllocate()
172     allocated = allocator.Allocate(cache, size, alignment);  in MsanAllocate()
176     allocated = allocator.Allocate(cache, size, alignment);  in MsanAllocate()
182     ReportOutOfMemory(size, stack);  in MsanAllocate()
186   meta->requested_size = size;  in MsanAllocate()
188     __msan_clear_and_unpoison(allocated, size);  in MsanAllocate()
190     __msan_poison(allocated, size);  in MsanAllocate()
194       __msan_set_origin(allocated, size, o.raw_id());  in MsanAllocate()
198   RunMallocHooks(allocated, size);  in MsanAllocate()
208   uptr size = meta->requested_size;  in MsanDeallocate()  local
213     __msan_poison(p, size);  in MsanDeallocate()
217       __msan_set_origin(p, size, o.raw_id());  in MsanDeallocate()
256 static void *MsanCalloc(StackTrace *stack, uptr nmemb, uptr size) {  in MsanCalloc()  argument
257   if (UNLIKELY(CheckForCallocOverflow(size, nmemb))) {  in MsanCalloc()
260     ReportCallocOverflow(nmemb, size, stack);  in MsanCalloc()
262   return MsanAllocate(stack, nmemb * size, sizeof(u64), true);  in MsanCalloc()
273 void *msan_malloc(uptr size, StackTrace *stack) {  in msan_malloc()  argument
274   return SetErrnoOnNull(MsanAllocate(stack, size, sizeof(u64), false));  in msan_malloc()
277 void *msan_calloc(uptr nmemb, uptr size, StackTrace *stack) {  in msan_calloc()  argument
278   return SetErrnoOnNull(MsanCalloc(stack, nmemb, size));  in msan_calloc()
281 void *msan_realloc(void *ptr, uptr size, StackTrace *stack) {  in msan_realloc()  argument
283     return SetErrnoOnNull(MsanAllocate(stack, size, sizeof(u64), false));  in msan_realloc()
284   if (size == 0) {  in msan_realloc()
288   return SetErrnoOnNull(MsanReallocate(stack, ptr, size, sizeof(u64)));  in msan_realloc()
291 void *msan_reallocarray(void *ptr, uptr nmemb, uptr size, StackTrace *stack) {  in msan_reallocarray()  argument
292   if (UNLIKELY(CheckForCallocOverflow(size, nmemb))) {  in msan_reallocarray()
296     ReportReallocArrayOverflow(nmemb, size, stack);  in msan_reallocarray()
298   return msan_realloc(ptr, nmemb * size, stack);  in msan_reallocarray()
301 void *msan_valloc(uptr size, StackTrace *stack) {  in msan_valloc()  argument
302   return SetErrnoOnNull(MsanAllocate(stack, size, GetPageSizeCached(), false));  in msan_valloc()
305 void *msan_pvalloc(uptr size, StackTrace *stack) {  in msan_pvalloc()  argument
307   if (UNLIKELY(CheckForPvallocOverflow(size, PageSize))) {  in msan_pvalloc()
311     ReportPvallocOverflow(size, stack);  in msan_pvalloc()
314   size = size ? RoundUpTo(size, PageSize) : PageSize;  in msan_pvalloc()
315   return SetErrnoOnNull(MsanAllocate(stack, size, PageSize, false));  in msan_pvalloc()
318 void *msan_aligned_alloc(uptr alignment, uptr size, StackTrace *stack) {  in msan_aligned_alloc()  argument
319   if (UNLIKELY(!CheckAlignedAllocAlignmentAndSize(alignment, size))) {  in msan_aligned_alloc()
323     ReportInvalidAlignedAllocAlignment(size, alignment, stack);  in msan_aligned_alloc()
325   return SetErrnoOnNull(MsanAllocate(stack, size, alignment, false));  in msan_aligned_alloc()
328 void *msan_memalign(uptr alignment, uptr size, StackTrace *stack) {  in msan_memalign()  argument
335   return SetErrnoOnNull(MsanAllocate(stack, size, alignment, false));  in msan_memalign()
338 int msan_posix_memalign(void **memptr, uptr alignment, uptr size,  in msan_posix_memalign()  argument
345   void *ptr = MsanAllocate(stack, size, alignment, false);  in msan_posix_memalign()
374 uptr __sanitizer_get_estimated_allocated_size(uptr size) { return size; }  in __sanitizer_get_estimated_allocated_size()  argument