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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_symbolizer.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 {
     32  public:
     33   static LibbacktraceSymbolizer *get(LowLevelAllocator *alloc);
     34 
     35   uptr SymbolizeCode(uptr addr, AddressInfo *frames, uptr max_frames,
     36                      const char *module_name, uptr module_offset);
     37 
     38   bool SymbolizeData(DataInfo *info);
     39 
     40   // May return NULL if demangling failed.
     41   static char *Demangle(const char *name, bool always_alloc = false);
     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