asan_new_delete.cc [plain text]
#include "asan_allocator.h"
#include "asan_internal.h"
#include "asan_stack.h"
#include "interception/interception.h"
#include <stddef.h>
#if SANITIZER_WINDOWS
# define CXX_OPERATOR_ATTRIBUTE
#else
# define CXX_OPERATOR_ATTRIBUTE INTERCEPTOR_ATTRIBUTE
#endif
using namespace __asan;
namespace std {
struct nothrow_t {};
}
#define OPERATOR_NEW_BODY(type) \
GET_STACK_TRACE_MALLOC;\
return asan_memalign(0, size, &stack, type);
#if !SANITIZER_MAC
#if SANITIZER_FREEBSD && SANITIZER_WORDSIZE == 32
#include <sys/param.h>
#if __FreeBSD_version <= 902001 // v9.2
#define size_t unsigned
#endif // __FreeBSD_version
#endif // SANITIZER_FREEBSD && SANITIZER_WORDSIZE == 32
CXX_OPERATOR_ATTRIBUTE
void *operator new(size_t size) { OPERATOR_NEW_BODY(FROM_NEW); }
CXX_OPERATOR_ATTRIBUTE
void *operator new[](size_t size) { OPERATOR_NEW_BODY(FROM_NEW_BR); }
CXX_OPERATOR_ATTRIBUTE
void *operator new(size_t size, std::nothrow_t const&)
{ OPERATOR_NEW_BODY(FROM_NEW); }
CXX_OPERATOR_ATTRIBUTE
void *operator new[](size_t size, std::nothrow_t const&)
{ OPERATOR_NEW_BODY(FROM_NEW_BR); }
#else // SANITIZER_MAC
INTERCEPTOR(void *, _Znwm, size_t size) {
OPERATOR_NEW_BODY(FROM_NEW);
}
INTERCEPTOR(void *, _Znam, size_t size) {
OPERATOR_NEW_BODY(FROM_NEW_BR);
}
INTERCEPTOR(void *, _ZnwmRKSt9nothrow_t, size_t size, std::nothrow_t const&) {
OPERATOR_NEW_BODY(FROM_NEW);
}
INTERCEPTOR(void *, _ZnamRKSt9nothrow_t, size_t size, std::nothrow_t const&) {
OPERATOR_NEW_BODY(FROM_NEW_BR);
}
#endif
#define OPERATOR_DELETE_BODY(type) \
GET_STACK_TRACE_FREE;\
asan_free(ptr, &stack, type);
#if !SANITIZER_MAC
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr) throw() {
OPERATOR_DELETE_BODY(FROM_NEW);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr) throw() {
OPERATOR_DELETE_BODY(FROM_NEW_BR);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(FROM_NEW);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(FROM_NEW_BR);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete(void *ptr, size_t size) throw() {
GET_STACK_TRACE_FREE;
asan_sized_free(ptr, size, &stack, FROM_NEW);
}
CXX_OPERATOR_ATTRIBUTE
void operator delete[](void *ptr, size_t size) throw() {
GET_STACK_TRACE_FREE;
asan_sized_free(ptr, size, &stack, FROM_NEW_BR);
}
#else // SANITIZER_MAC
INTERCEPTOR(void, _ZdlPv, void *ptr) {
OPERATOR_DELETE_BODY(FROM_NEW);
}
INTERCEPTOR(void, _ZdaPv, void *ptr) {
OPERATOR_DELETE_BODY(FROM_NEW_BR);
}
INTERCEPTOR(void, _ZdlPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(FROM_NEW);
}
INTERCEPTOR(void, _ZdaPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(FROM_NEW_BR);
}
#endif