1//=-- lsan.h --------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of LeakSanitizer.
10// Private header for standalone LSan RTL.
11//
12//===----------------------------------------------------------------------===//
13
14#include "lsan_thread.h"
15#if SANITIZER_POSIX
16# include "lsan_posix.h"
17#elif SANITIZER_FUCHSIA
18# include "lsan_fuchsia.h"
19#endif
20#include "sanitizer_common/sanitizer_flags.h"
21#include "sanitizer_common/sanitizer_stacktrace.h"
22
23#define GET_STACK_TRACE(max_size, fast) \
24 __sanitizer::BufferedStackTrace stack; \
25 stack.Unwind(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(), nullptr, fast, \
26 max_size);
27
28#define GET_STACK_TRACE_FATAL \
29 GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
30
31#define GET_STACK_TRACE_MALLOC \
32 GET_STACK_TRACE(__sanitizer::common_flags()->malloc_context_size, \
33 common_flags()->fast_unwind_on_malloc)
34
35#define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true)
36
37namespace __lsan {
38
39void InitializeInterceptors();
40void ReplaceSystemMalloc();
41void LsanOnDeadlySignal(int signo, void *siginfo, void *context);
42void InstallAtExitCheckLeaks();
43void InstallAtForkHandler();
44
45#define ENSURE_LSAN_INITED \
46 do { \
47 CHECK(!lsan_init_is_running); \
48 if (!lsan_inited) \
49 __lsan_init(); \
50 } while (0)
51
52} // namespace __lsan
53
54extern bool lsan_inited;
55extern bool lsan_init_is_running;
56
57extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __lsan_init();
58