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// StackTrace.cpp
// Implements the functions to print current stack traces
#include "Globals.h"
#include "StackTrace.h"
#ifdef _WIN32
#include "../StackWalker.h"
#else
#include <execinfo.h>
#include <unistd.h>
#endif
// FreeBSD uses size_t for the return type of backtrace()
#if defined(__FreeBSD__) && (__FreeBSD__ >= 10)
#define btsize size_t
#else
#define btsize int
#endif
void PrintStackTrace(void)
{
#ifdef _WIN32
// Reuse the StackWalker from the LeakFinder project already bound to MCS
// Define a subclass of the StackWalker that outputs everything to stdout
class PrintingStackWalker :
public StackWalker
{
virtual void OnOutput(LPCSTR szText) override
{
puts(szText);
}
} sw;
sw.ShowCallstack();
#else
#ifdef __GLIBC__
// Use the backtrace() function to get and output the stackTrace:
// Code adapted from http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes
void * stackTrace[30];
btsize numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
#endif
#endif
}
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