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//===-- msan_new_delete.cc ------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of MemorySanitizer.
//
// Interceptors for operators new and delete.
//===----------------------------------------------------------------------===//
#include "msan.h"
#include "interception/interception.h"
#if MSAN_REPLACE_OPERATORS_NEW_AND_DELETE
#include <stddef.h>
using namespace __msan; // NOLINT
// Fake std::nothrow_t to avoid including <new>.
namespace std {
struct nothrow_t {};
} // namespace std
#define OPERATOR_NEW_BODY \
GET_MALLOC_STACK_TRACE; \
return MsanReallocate(&stack, 0, size, sizeof(u64), false)
INTERCEPTOR_ATTRIBUTE
void *operator new(size_t size) { OPERATOR_NEW_BODY; }
INTERCEPTOR_ATTRIBUTE
void *operator new[](size_t size) { OPERATOR_NEW_BODY; }
INTERCEPTOR_ATTRIBUTE
void *operator new(size_t size, std::nothrow_t const&) { OPERATOR_NEW_BODY; }
INTERCEPTOR_ATTRIBUTE
void *operator new[](size_t size, std::nothrow_t const&) { OPERATOR_NEW_BODY; }
#define OPERATOR_DELETE_BODY \
GET_MALLOC_STACK_TRACE; \
if (ptr) MsanDeallocate(&stack, ptr)
INTERCEPTOR_ATTRIBUTE
void operator delete(void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
void operator delete[](void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
void operator delete[](void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY;
}
#endif // MSAN_REPLACE_OPERATORS_NEW_AND_DELETE
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