Backtrace.hpp

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// <Backtrace.hpp> -*- C++ -*-
 
#pragma once
 
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#ifndef __USE_GNU
#define __USE_GNU
#endif
 
#include <csignal>
#include <iostream>
#include <map>
#include <vector>
#include <string>
 
namespace sparta
{
    namespace app
    {
 
class BacktraceData
{
 
    std::vector<std::pair<void*, std::string>> frames_;
 
public:
 
    BacktraceData() = default;
 
    BacktraceData(const BacktraceData&) = default;
 
    BacktraceData& operator=(const BacktraceData&) = delete;
 
    void render(std::ostream& o, bool line_info=true) const;
 
    void addFrame(void* addr, const char* message);
};
 
class Backtrace
{
    struct sigaction sigact_; 
 
    std::map<int, struct sigaction> handled_; 
 
public:
 
    Backtrace();
 
    ~Backtrace();
 
    void setAsHandler(int signum=SIGSEGV);
 
    static void dumpBacktrace(std::ostream& o);
 
    static BacktraceData getBacktrace();
 
}; // class Backtrace
 
    } // namespace app
} // namespace sparta