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