forked from OSchip/llvm-project
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===-- sanitizer_symbolize.cc ----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Implementation of weak hooks from sanitizer_symbolizer_posix_libcdep.cc.
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//
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//===----------------------------------------------------------------------===//
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#include <stdio.h>
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#include <string>
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#include "llvm/DebugInfo/Symbolize/DIPrinter.h"
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#include "llvm/DebugInfo/Symbolize/Symbolize.h"
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static llvm::symbolize::LLVMSymbolizer *getDefaultSymbolizer() {
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static llvm::symbolize::LLVMSymbolizer *DefaultSymbolizer =
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new llvm::symbolize::LLVMSymbolizer();
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return DefaultSymbolizer;
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}
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namespace __sanitizer {
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int internal_snprintf(char *buffer, unsigned long length, const char *format,
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...);
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} // namespace __sanitizer
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extern "C" {
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typedef uint64_t u64;
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bool __sanitizer_symbolize_code(const char *ModuleName, uint64_t ModuleOffset,
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char *Buffer, int MaxLength) {
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std::string Result;
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{
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llvm::raw_string_ostream OS(Result);
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llvm::symbolize::DIPrinter Printer(OS);
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auto ResOrErr =
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getDefaultSymbolizer()->symbolizeInlinedCode(ModuleName, ModuleOffset);
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Printer << (ResOrErr ? ResOrErr.get() : llvm::DIInliningInfo());
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}
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return __sanitizer::internal_snprintf(Buffer, MaxLength, "%s",
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Result.c_str()) < MaxLength;
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}
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bool __sanitizer_symbolize_data(const char *ModuleName, uint64_t ModuleOffset,
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char *Buffer, int MaxLength) {
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std::string Result;
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{
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llvm::raw_string_ostream OS(Result);
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llvm::symbolize::DIPrinter Printer(OS);
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auto ResOrErr =
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getDefaultSymbolizer()->symbolizeData(ModuleName, ModuleOffset);
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Printer << (ResOrErr ? ResOrErr.get() : llvm::DIGlobal());
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}
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return __sanitizer::internal_snprintf(Buffer, MaxLength, "%s",
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Result.c_str()) < MaxLength;
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}
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void __sanitizer_symbolize_flush() { getDefaultSymbolizer()->flush(); }
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int __sanitizer_symbolize_demangle(const char *Name, char *Buffer,
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int MaxLength) {
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std::string Result =
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llvm::symbolize::LLVMSymbolizer::DemangleName(Name, nullptr);
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return __sanitizer::internal_snprintf(Buffer, MaxLength, "%s",
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Result.c_str()) < MaxLength
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? static_cast<int>(Result.size() + 1)
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: 0;
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}
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} // extern "C"
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