contrib/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_libbacktrace.h

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