summaryrefslogblamecommitdiffstats
path: root/src/OSSupport/StackTrace.cpp
blob: 0520b4325385d90e6c13a65a8d10c2edf6b0f3a2 (plain) (tree)
1
2
3
4
5
6
7
8
9







                                                         
                                   
     


                                     
                           








                          

                                             


                                                                     
                                                             


                                   
             

                                                                                         
                                                                                                                                             
                                              
                                                                                      

                                                                                  

              

// StackTrace.cpp

// Implements the functions to print current stack traces

#include "Globals.h"
#include "StackTrace.h"
#ifdef _WIN32
	#include "WinStackWalker.h"
#else
	#ifdef __GLIBC__
		#include <execinfo.h>
	#endif
	#include <unistd.h>
#endif





void PrintStackTrace(void)
{
	#ifdef _WIN32
		class PrintingStackWalker:
			public WinStackWalker
		{
			virtual void OnOutput(LPCSTR szText) override
			{
				std::fprintf(stdout, szText);
			}
		} sw;
		sw.ShowCallstack();
	#else
		#ifdef __GLIBC__
			// Use the backtrace() function to get and output the stackTrace:
			// Code adapted from https://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes
			void * stackTrace[30];
			auto numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
			backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
		#endif
	#endif
}