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_symbolizer.h"
  18
  19 #ifndef SANITIZER_LIBBACKTRACE
  20 # define SANITIZER_LIBBACKTRACE 0
  21 #endif
  22
  23 #ifndef SANITIZER_CP_DEMANGLE
  24 # define SANITIZER_CP_DEMANGLE 0
  25 #endif
  26
  27 namespace __sanitizer {
  28
  29 class LibbacktraceSymbolizer {
  30  public:
  31   static LibbacktraceSymbolizer *get(LowLevelAllocator *alloc);
  32
  33   uptr SymbolizeCode(uptr addr, AddressInfo *frames, uptr max_frames,
  34                      const char *module_name, uptr module_offset);
  35
  36   bool SymbolizeData(DataInfo *info);
  37
  38   // May return NULL if demangling failed.
  39   static char *Demangle(const char *name, bool always_alloc = false);
  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