libsanitizer/lsan/lsan.h

   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
  37 namespace __lsan {
  38
  39 void InitializeInterceptors();
  40 void ReplaceSystemMalloc();
  41 void LsanOnDeadlySignal(int signo, void *siginfo, void *context);
  42 void InstallAtExitCheckLeaks();
  43
  44 #define ENSURE_LSAN_INITED        \
  45   do {                            \
  46     CHECK(!lsan_init_is_running); \
  47     if (!lsan_inited)             \
  48       __lsan_init();              \
  49   } while (0)
  50
  51 }  // namespace __lsan
  52
  53 extern bool lsan_inited;
  54 extern bool lsan_init_is_running;
  55
  56 extern "C" SANITIZER_INTERFACE_ATTRIBUTE void __lsan_init();