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:
LibbacktraceSymbolizer(void * state)44   explicit LibbacktraceSymbolizer(void *state) : state_(state) {}
45 
46   void *state_;  // Leaked.
47 };
48 
49 }  // namespace __sanitizer
50 #endif  // SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
51