blob: e21aa452223b211b055ca96c0ae421f54a4c308e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
//===-- asan_interceptors.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 AddressSanitizer, an address sanity checker.
//
// Interceptors for operators new and delete.
//===----------------------------------------------------------------------===//
#include "asan_allocator.h"
#include "asan_internal.h"
#include "asan_stack.h"
#include <stddef.h>
namespace __asan {
// This function is a no-op. We need it to make sure that object file
// with our replacements will actually be loaded from static ASan
// run-time library at link-time.
void ReplaceOperatorsNewAndDelete() { }
}
using namespace __asan; // NOLINT
// On Android new() goes through malloc interceptors.
#if !ASAN_ANDROID
// Fake std::nothrow_t to avoid including <new>.
namespace std {
struct nothrow_t {};
} // namespace std
#define OPERATOR_NEW_BODY \
GET_STACK_TRACE_MALLOC;\
return asan_memalign(0, size, &stack);
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_STACK_TRACE_FREE;\
asan_free(ptr, &stack);
INTERCEPTOR_ATTRIBUTE
void operator delete(void *ptr) { OPERATOR_DELETE_BODY; }
INTERCEPTOR_ATTRIBUTE
void operator delete[](void *ptr) { 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
|
