75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
//===-- sanitizer_symbolize.cc ----------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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"
|