
This partially reverts commit b473cec508
.
Signed-off-by: Christophe Bedard <bedard.christophe@gmail.com>
65 lines
1.9 KiB
C++
65 lines
1.9 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.
|
|
|
|
#ifndef TRACETOOLS__UTILS_HPP_
|
|
#define TRACETOOLS__UTILS_HPP_
|
|
|
|
#include <stddef.h>
|
|
#include <functional>
|
|
|
|
#include "tracetools/visibility_control.hpp"
|
|
|
|
/// Default symbol, used when address resolution fails.
|
|
#define SYMBOL_UNKNOWN "UNKNOWN"
|
|
|
|
TRACETOOLS_PUBLIC const char * _demangle_symbol(const char * mangled);
|
|
|
|
TRACETOOLS_PUBLIC const char * _get_symbol_funcptr(void * funcptr);
|
|
|
|
/// Get symbol from an std::function object.
|
|
/**
|
|
* If function address resolution or symbol demangling fails,
|
|
* this will return a string that starts with \ref SYMBOL_UNKNOWN.
|
|
*
|
|
* \param[in] f the std::function object
|
|
* \return the symbol, or a placeholder
|
|
*/
|
|
template<typename T, typename ... U>
|
|
const char * get_symbol(std::function<T(U...)> f)
|
|
{
|
|
typedef T (fnType)(U...);
|
|
fnType ** fnPointer = f.template target<fnType *>();
|
|
// If we get an actual address
|
|
if (fnPointer != nullptr) {
|
|
void * funcptr = reinterpret_cast<void *>(*fnPointer);
|
|
return _get_symbol_funcptr(funcptr);
|
|
}
|
|
// Otherwise we have to go through target_type()
|
|
return _demangle_symbol(f.target_type().name());
|
|
}
|
|
|
|
/// Get symbol from a function-related object.
|
|
/**
|
|
* Fallback meant for lambdas with captures.
|
|
*
|
|
* \param[in] l a generic object
|
|
* \return the symbol
|
|
*/
|
|
template<typename L>
|
|
const char * get_symbol(L && l)
|
|
{
|
|
return _demangle_symbol(typeid(l).name());
|
|
}
|
|
|
|
#endif // TRACETOOLS__UTILS_HPP_
|