mirror of
https://github.com/wpilibsuite/allwpilib
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38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2008-2019 FIRST. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "wpi/StackTrace.h"
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#include <execinfo.h>
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#include "wpi/Demangle.h"
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#include "wpi/SmallString.h"
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#include "wpi/raw_ostream.h"
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namespace wpi {
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std::string GetStackTrace(int offset) {
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void* stackTrace[128];
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int stackSize = backtrace(stackTrace, 128);
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char** mangledSymbols = backtrace_symbols(stackTrace, stackSize);
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wpi::SmallString<1024> buf;
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wpi::raw_svector_ostream trace(buf);
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for (int i = offset; i < stackSize; i++) {
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// Only print recursive functions once in a row.
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if (i == 0 || stackTrace[i] != stackTrace[i - 1]) {
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trace << "\tat " << Demangle(mangledSymbols[i]) << "\n";
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}
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}
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std::free(mangledSymbols);
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return trace.str();
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}
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} // namespace wpi
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