50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Copyright 2019 Robert Bosch GmbH
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "tracetools/config.h"
|
|
|
|
#ifdef TRACETOOLS_LTTNG_ENABLED
|
|
#include <dlfcn.h>
|
|
#include <cxxabi.h>
|
|
#endif
|
|
#include "tracetools/utils.hpp"
|
|
|
|
const char * _demangle_symbol(const char * mangled)
|
|
{
|
|
#ifdef TRACETOOLS_LTTNG_ENABLED
|
|
char * demangled = nullptr;
|
|
int status;
|
|
demangled = abi::__cxa_demangle(mangled, NULL, 0, &status);
|
|
// Use demangled symbol if possible
|
|
const char * demangled_val = (status == 0 ? demangled : mangled);
|
|
return demangled_val != 0 ? demangled_val : "UNKNOWN_demangling_failed";
|
|
#else
|
|
(void)mangled;
|
|
return "DISABLED__demangle_symbol";
|
|
#endif
|
|
}
|
|
|
|
const char * _get_symbol_funcptr(void * funcptr)
|
|
{
|
|
#ifdef TRACETOOLS_LTTNG_ENABLED
|
|
Dl_info info;
|
|
if (dladdr(funcptr, &info) == 0) {
|
|
return SYMBOL_UNKNOWN;
|
|
}
|
|
return _demangle_symbol(info.dli_sname);
|
|
#else
|
|
(void)funcptr;
|
|
return "DISABLED__get_symbol_funcptr";
|
|
#endif
|
|
}
|