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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
//===-- tsan_new_delete.cpp ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
// Interceptors for operators new and delete.
//===----------------------------------------------------------------------===//
#include "interception/interception.h"
#include "sanitizer_common/sanitizer_allocator.h"
#include "sanitizer_common/sanitizer_allocator_report.h"
#include "sanitizer_common/sanitizer_internal_defs.h"
#include "tsan_interceptors.h"
#include "tsan_rtl.h"
using namespace __tsan;
namespace std {
struct nothrow_t {};
enum class align_val_t: __sanitizer::uptr {};
} // namespace std
DECLARE_REAL(void *, malloc, uptr size)
DECLARE_REAL(void, free, void *ptr)
// TODO(alekseys): throw std::bad_alloc instead of dying on OOM.
#define OPERATOR_NEW_BODY(mangled_name, nothrow) \
if (in_symbolizer()) \
return InternalAlloc(size); \
void *p = 0; \
{ \
SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
p = user_alloc(thr, pc, size); \
if (!nothrow && UNLIKELY(!p)) { \
GET_STACK_TRACE_FATAL(thr, pc); \
ReportOutOfMemory(size, &stack); \
} \
} \
invoke_malloc_hook(p, size); \
return p;
#define OPERATOR_NEW_BODY_ALIGN(mangled_name, nothrow) \
if (in_symbolizer()) \
return InternalAlloc(size, nullptr, (uptr)align); \
void *p = 0; \
{ \
SCOPED_INTERCEPTOR_RAW(mangled_name, size); \
p = user_memalign(thr, pc, (uptr)align, size); \
if (!nothrow && UNLIKELY(!p)) { \
GET_STACK_TRACE_FATAL(thr, pc); \
ReportOutOfMemory(size, &stack); \
} \
} \
invoke_malloc_hook(p, size); \
return p;
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size);
void *operator new(__sanitizer::uptr size) {
OPERATOR_NEW_BODY(_Znwm, false /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size);
void *operator new[](__sanitizer::uptr size) {
OPERATOR_NEW_BODY(_Znam, false /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::nothrow_t const&);
void *operator new(__sanitizer::uptr size, std::nothrow_t const&) {
OPERATOR_NEW_BODY(_ZnwmRKSt9nothrow_t, true /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::nothrow_t const&);
void *operator new[](__sanitizer::uptr size, std::nothrow_t const&) {
OPERATOR_NEW_BODY(_ZnamRKSt9nothrow_t, true /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::align_val_t align);
void *operator new(__sanitizer::uptr size, std::align_val_t align) {
OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_t, false /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::align_val_t align);
void *operator new[](__sanitizer::uptr size, std::align_val_t align) {
OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_t, false /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new(__sanitizer::uptr size, std::align_val_t align,
std::nothrow_t const&);
void *operator new(__sanitizer::uptr size, std::align_val_t align,
std::nothrow_t const&) {
OPERATOR_NEW_BODY_ALIGN(_ZnwmSt11align_val_tRKSt9nothrow_t,
true /*nothrow*/);
}
SANITIZER_INTERFACE_ATTRIBUTE
void *operator new[](__sanitizer::uptr size, std::align_val_t align,
std::nothrow_t const&);
void *operator new[](__sanitizer::uptr size, std::align_val_t align,
std::nothrow_t const&) {
OPERATOR_NEW_BODY_ALIGN(_ZnamSt11align_val_tRKSt9nothrow_t,
true /*nothrow*/);
}
#define OPERATOR_DELETE_BODY(mangled_name) \
if (ptr == 0) return; \
if (in_symbolizer()) \
return InternalFree(ptr); \
invoke_free_hook(ptr); \
SCOPED_INTERCEPTOR_RAW(mangled_name, ptr); \
user_free(thr, pc, ptr);
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr) NOEXCEPT;
void operator delete(void *ptr) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdlPv);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr) NOEXCEPT;
void operator delete[](void *ptr) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdaPv);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::nothrow_t const&);
void operator delete(void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(_ZdlPvRKSt9nothrow_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::nothrow_t const&);
void operator delete[](void *ptr, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(_ZdaPvRKSt9nothrow_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT;
void operator delete(void *ptr, __sanitizer::uptr size) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdlPvm);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT;
void operator delete[](void *ptr, __sanitizer::uptr size) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdaPvm);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::align_val_t align) NOEXCEPT;
void operator delete(void *ptr, std::align_val_t align) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT;
void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&);
void operator delete(void *ptr, std::align_val_t align, std::nothrow_t const&) {
OPERATOR_DELETE_BODY(_ZdlPvSt11align_val_tRKSt9nothrow_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, std::align_val_t align,
std::nothrow_t const&);
void operator delete[](void *ptr, std::align_val_t align,
std::nothrow_t const&) {
OPERATOR_DELETE_BODY(_ZdaPvSt11align_val_tRKSt9nothrow_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete(void *ptr, __sanitizer::uptr size,
std::align_val_t align) NOEXCEPT;
void operator delete(void *ptr, __sanitizer::uptr size,
std::align_val_t align) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdlPvmSt11align_val_t);
}
SANITIZER_INTERFACE_ATTRIBUTE
void operator delete[](void *ptr, __sanitizer::uptr size,
std::align_val_t align) NOEXCEPT;
void operator delete[](void *ptr, __sanitizer::uptr size,
std::align_val_t align) NOEXCEPT {
OPERATOR_DELETE_BODY(_ZdaPvmSt11align_val_t);
}
|
