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      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
     51