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-rw-r--r--src/Globals.h5
-rw-r--r--src/OSSupport/CMakeLists.txt8
-rw-r--r--src/OSSupport/StackTrace.cpp43
-rw-r--r--src/OSSupport/StackTrace.h15
-rw-r--r--src/main.cpp6
5 files changed, 73 insertions, 4 deletions
diff --git a/src/Globals.h b/src/Globals.h
index 582f5fdaa..d75ae0093 100644
--- a/src/Globals.h
+++ b/src/Globals.h
@@ -264,6 +264,7 @@ template class SizeChecker<UInt16, 2>;
#include "OSSupport/Thread.h"
#include "OSSupport/File.h"
#include "Logger.h"
+ #include "OSSupport/StackTrace.h"
#else
// Logging functions
void inline LOGERROR(const char* a_Format, ...) FORMATSTRING(1, 2);
@@ -349,14 +350,14 @@ void inline LOGD(const char* a_Format, ...)
#else
#ifdef _DEBUG
- #define ASSERT( x) ( !!(x) || ( LOGERROR("Assertion failed: %s, file %s, line %i", #x, __FILE__, __LINE__), assert(0), 0))
+ #define ASSERT( x) ( !!(x) || ( LOGERROR("Assertion failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), assert(0), 0))
#else
#define ASSERT(x) ((void)(x))
#endif
#endif
// Pretty much the same as ASSERT() but stays in Release builds
-#define VERIFY( x) ( !!(x) || ( LOGERROR("Verification failed: %s, file %s, line %i", #x, __FILE__, __LINE__), exit(1), 0))
+#define VERIFY( x) ( !!(x) || ( LOGERROR("Verification failed: %s, file %s, line %i", #x, __FILE__, __LINE__), PrintStackTrace(), exit(1), 0))
// Same as assert but in all Self test builds
#ifdef SELF_TEST
diff --git a/src/OSSupport/CMakeLists.txt b/src/OSSupport/CMakeLists.txt
index c3eabeef6..592525941 100644
--- a/src/OSSupport/CMakeLists.txt
+++ b/src/OSSupport/CMakeLists.txt
@@ -16,8 +16,10 @@ SET (SRCS
Sleep.cpp
Socket.cpp
SocketThreads.cpp
+ StackTrace.cpp
Thread.cpp
- Timer.cpp)
+ Timer.cpp
+)
SET (HDRS
CriticalSection.h
@@ -32,8 +34,10 @@ SET (HDRS
Sleep.h
Socket.h
SocketThreads.h
+ StackTrace.h
Thread.h
- Timer.h)
+ Timer.h
+)
if(NOT MSVC)
add_library(OSSupport ${SRCS} ${HDRS})
diff --git a/src/OSSupport/StackTrace.cpp b/src/OSSupport/StackTrace.cpp
new file mode 100644
index 000000000..57c547fa1
--- /dev/null
+++ b/src/OSSupport/StackTrace.cpp
@@ -0,0 +1,43 @@
+
+// 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>
+#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
+ // 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];
+ size_t numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
+ backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
+ #endif
+}
+
+
+
+
diff --git a/src/OSSupport/StackTrace.h b/src/OSSupport/StackTrace.h
new file mode 100644
index 000000000..228a00077
--- /dev/null
+++ b/src/OSSupport/StackTrace.h
@@ -0,0 +1,15 @@
+
+// StackTrace.h
+
+// Declares the functions to print current stack trace
+
+
+
+
+
+/** Prints the stacktrace for the current thread. */
+extern void PrintStackTrace(void);
+
+
+
+
diff --git a/src/main.cpp b/src/main.cpp
index c60e13a8c..0a8521fbc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,6 +10,7 @@
#ifdef _MSC_VER
#include <dbghelp.h>
#endif // _MSC_VER
+#include "OSSupport/StackTrace.h"
bool cRoot::m_TerminateEventRaised = false; // If something has told the server to stop; checked periodically in cRoot
@@ -61,6 +62,7 @@ void NonCtrlHandler(int a_Signal)
std::signal(SIGSEGV, SIG_DFL);
LOGERROR(" D: | MCServer has encountered an error and needs to close");
LOGERROR("Details | SIGSEGV: Segmentation fault");
+ PrintStackTrace();
abort();
}
case SIGABRT:
@@ -71,6 +73,7 @@ void NonCtrlHandler(int a_Signal)
std::signal(a_Signal, SIG_DFL);
LOGERROR(" D: | MCServer has encountered an error and needs to close");
LOGERROR("Details | SIGABRT: Server self-terminated due to an internal fault");
+ PrintStackTrace();
abort();
}
case SIGINT:
@@ -137,6 +140,9 @@ LONG WINAPI LastChanceExceptionFilter(__in struct _EXCEPTION_POINTERS * a_Except
g_WriteMiniDump(GetCurrentProcess(), GetCurrentProcessId(), dumpFile, g_DumpFlags, (a_ExceptionInfo) ? &ExcInformation : nullptr, nullptr, nullptr);
CloseHandle(dumpFile);
+ // Print the stack trace for the basic debugging:
+ PrintStackTrace();
+
// Revert to old stack:
_asm
{