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