cpptrace/src/unwind/unwind_with_execinfo.cpp
2023-09-22 12:17:07 -04:00

30 lines
786 B
C++

#ifdef CPPTRACE_UNWIND_WITH_EXECINFO
#include "unwind.hpp"
#include "../platform/common.hpp"
#include "../platform/utils.hpp"
#include <algorithm>
#include <cstddef>
#include <vector>
#include <execinfo.h>
namespace cpptrace {
namespace detail {
CPPTRACE_FORCE_NO_INLINE
std::vector<uintptr_t> capture_frames(size_t skip, size_t max_depth) {
skip++;
std::vector<void*> addrs(std::min(hard_max_frames, skip + max_depth), nullptr);
const int n_frames = backtrace(addrs.data(), static_cast<int>(addrs.size())); // thread safe
std::vector<uintptr_t> frames(n_frames - skip, 0);
for(int i = skip; i < n_frames; i++) {
frames[i - skip] = reinterpret_cast<uintptr_t>(addrs[i]);
}
return frames;
}
}
}
#endif