contrib/compiler-rt/lib/lsan/lsan.h

   1 //=-- lsan.h --------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file is a part of LeakSanitizer.
  11 // Private header for standalone LSan RTL.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "sanitizer_common/sanitizer_flags.h"
  16 #include "sanitizer_common/sanitizer_stacktrace.h"
  17
  18 #define GET_STACK_TRACE(max_size, fast)                                        \
  19   BufferedStackTrace stack;                                                    \
  20   {                                                                            \
  21     uptr stack_top = 0, stack_bottom = 0;                                      \
  22     ThreadContext *t;                                                          \
  23     if (fast && (t = CurrentThreadContext())) {                                \
  24       stack_top = t->stack_end();                                              \
  25       stack_bottom = t->stack_begin();                                         \
  26     }                                                                          \
  27     if (!SANITIZER_MIPS ||                                                     \
  28         IsValidFrame(GET_CURRENT_FRAME(), stack_top, stack_bottom)) {          \
  29       stack.Unwind(max_size, StackTrace::GetCurrentPc(), GET_CURRENT_FRAME(),  \
  30                    /* context */ 0, stack_top, stack_bottom, fast);            \
  31     }                                                                          \
  32   }
  33
  34 #define GET_STACK_TRACE_FATAL \
  35   GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
  36
  37 #define GET_STACK_TRACE_MALLOC                                      \
  38   GET_STACK_TRACE(__sanitizer::common_flags()->malloc_context_size, \
  39                   common_flags()->fast_unwind_on_malloc)
  40
  41 #define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true)
  42
  43 namespace __lsan {
  44
  45 void InitializeInterceptors();
  46 void ReplaceSystemMalloc();
  47
  48 #define ENSURE_LSAN_INITED do {   \
  49   CHECK(!lsan_init_is_running);   \
  50   if (!lsan_inited)               \
  51     __lsan_init();                \
  52 } while (0)
  53
  54 }  // namespace __lsan
  55
  56 extern bool lsan_inited;
  57 extern bool lsan_init_is_running;
  58
  59 extern "C" void __lsan_init();