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:
LibbacktraceSymbolizer(void * state)42   explicit LibbacktraceSymbolizer(void *state) : state_(state) {}
43 
44   void *state_;  // Leaked.
45 };
46 
47 }  // namespace __sanitizer
48 #endif  // SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
49