41 lines
972 B
C++
41 lines
972 B
C++
#include "backtrace.hpp"
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#include "debug.hpp"
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#include "types/casts.hpp"
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#include <cstdlib>
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#include <execinfo.h>
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#include <algorithm>
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#include <memory>
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using namespace std;
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debug::backtrace::backtrace (void):
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m_frames (DEFAULT_DEPTH) {
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size_t last;
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size_t size = m_frames.size ();
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while ((last = ::backtrace (&m_frames[0], m_frames.size ())) == size)
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m_frames.resize (size = m_frames.size () * 2);
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CHECK_HARD (last > 0);
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m_frames.resize (last);
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}
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ostream&
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debug::operator <<(ostream &os, const debug::backtrace &rhs) {
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const auto frames = rhs.frames ();
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// We don't use the array form of unique_ptr as clang fails on ambigious constructors
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typedef unique_ptr<char *, decltype(&std::free)> unique_str;
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unique_str names (backtrace_symbols (frames.data (), frames.size ()), ::free);
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for (unsigned int i = 0; i < frames.size (); ++i)
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os << frames[i] << "\t" << names.get()[i] << "\n";
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return os;
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}
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