libsanitizer/sanitizer_common/sanitizer_symbolizer_libbacktrace.h

   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