libsanitizer/sanitizer_common/sanitizer_symbolizer_libbacktrace.h

   1 //===-- sanitizer_symbolizer_libbacktrace.h ---------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is shared between AddressSanitizer and ThreadSanitizer
   9 // run-time libraries.
  10 // Header for libbacktrace symbolizer.
  11 //===----------------------------------------------------------------------===//
  12 #ifndef SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
  13 #define SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
  14
  15 #include "sanitizer_platform.h"
  16 #include "sanitizer_common.h"
  17 #include "sanitizer_allocator_internal.h"
  18 #include "sanitizer_symbolizer_internal.h"
  19
  20 #ifndef SANITIZER_LIBBACKTRACE
  21 # define SANITIZER_LIBBACKTRACE 0
  22 #endif
  23
  24 #ifndef SANITIZER_CP_DEMANGLE
  25 # define SANITIZER_CP_DEMANGLE 0
  26 #endif
  27
  28 namespace __sanitizer {
  29
  30 class LibbacktraceSymbolizer : public SymbolizerTool {
  31  public:
  32   static LibbacktraceSymbolizer *get(LowLevelAllocator *alloc);
  33
  34   bool SymbolizePC(uptr addr, SymbolizedStack *stack) override;
  35
  36   bool SymbolizeData(uptr addr, DataInfo *info) override;
  37
  38   // May return NULL if demangling failed.
  39   const char *Demangle(const char *name) override;
  40
  41  private:
  42   explicit LibbacktraceSymbolizer(void *state) : state_(state) {}
  43
  44   void *state_;  // Leaked.
  45 };
  46
  47 }  // namespace __sanitizer
  48 #endif  // SANITIZER_SYMBOLIZER_LIBBACKTRACE_H