1 //===-- sanitizer_symbolizer_libbacktrace.h ---------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is shared between AddressSanitizer and ThreadSanitizer
10 // run-time libraries.
11 // Header for libbacktrace symbolizer.
12 //===----------------------------------------------------------------------===//
13 #ifndef SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
14 #define SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
15 
16 #include "sanitizer_platform.h"
17 #include "sanitizer_common.h"
18 #include "sanitizer_allocator_internal.h"
19 #include "sanitizer_symbolizer_internal.h"
20 
21 #ifndef SANITIZER_LIBBACKTRACE
22 # define SANITIZER_LIBBACKTRACE 0
23 #endif
24 
25 #ifndef SANITIZER_CP_DEMANGLE
26 # define SANITIZER_CP_DEMANGLE 0
27 #endif
28 
29 namespace __sanitizer {
30 
31 class LibbacktraceSymbolizer final : public SymbolizerTool {
32  public:
33   static LibbacktraceSymbolizer *get(LowLevelAllocator *alloc);
34 
35   bool SymbolizePC(uptr addr, SymbolizedStack *stack) override;
36 
37   bool SymbolizeData(uptr addr, DataInfo *info) override;
38 
39   // May return NULL if demangling failed.
40   const char *Demangle(const char *name) override;
41 
42  private:
43   explicit LibbacktraceSymbolizer(void *state) : state_(state) {}
44 
45   void *state_;  // Leaked.
46 };
47 
48 }  // namespace __sanitizer
49 #endif  // SANITIZER_SYMBOLIZER_LIBBACKTRACE_H
50