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Add basic stacktrace output for posix debug builds. (#2749)

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Scott McKay 2020-01-03 13:43:57 +10:00 committed by GitHub
parent 382fa86af8
commit a2c8981a9e
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1 changed files with 36 additions and 2 deletions
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38
onnxruntime/core/platform/posix/stacktrace.cc
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@ -3,10 +3,44 @@
#include "core/common/common.h"
#include <execinfo.h>
#include <vector>
namespace onnxruntime {
std::vector<std::string> GetStackTrace() {
return {"<stacktrace not implemented>"};
}
std::vector<std::string> stack;
#ifndef NDEBUG
constexpr int kCallstackLimit = 64; // Maximum depth of callstack
void* array[kCallstackLimit];
char** strings = nullptr;
size_t size = backtrace(array, kCallstackLimit);
stack.reserve(size);
strings = backtrace_symbols(array, size);
// NOTE: To get meaningful info from the output, addr2line (or atos on osx) would need to be used.
// See https://gist.github.com/jvranish/4441299 for an example.
//
// To manually translate the output, use the value in the '()' after the executable name with addr2line
// e.g.
// Stacktrace:
// /home/me/src/github/onnxruntime/build/Linux/Debug/onnxruntime_test_all(+0x3f46cc) [0x559543faf6cc]
//
// >addr2line -f -C -e /home/me/src/github/onnxruntime/build/Linux/Debug/onnxruntime_test_all +0x3f46cc
// hide GetStackTrace so the output starts with the 'real' location
constexpr size_t start_frame = 1;
for (size_t i = start_frame; i < size; i++) {
stack.push_back(strings[i]);
}
free(strings);
#endif
return stack;
}
} // namespace onnxruntime