Add simple stack trace on unhandled exception

Source/Core/Core/CMakeLists.txt

@@ -25,6 +25,7 @@ set(SRCS	ActionReplay.cpp
 			Debugger/Debugger_SymbolMap.cpp
 			Debugger/Dump.cpp
 			Debugger/PPCDebugInterface.cpp
+			Debugger/StackWalker.cpp
 			DSP/DSPAssembler.cpp
 			DSP/DSPDisassembler.cpp
 			DSP/DSPAccelerator.cpp

Source/Core/Core/Debugger/StackWalker.cpp

@@ -0,0 +1,68 @@
+// Copyright 2008 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <cstdio>
+#include <string>
+#include <ctime>
+
+#include "Common/CommonPaths.h"
+#include "Common/FileUtil.h"
+#include "Common/StringUtil.h"
+#include "Core/Debugger/StackWalker.h"
+
+
+StackWalker::StackWalker(bool log)
+  : _log(log)
+{
+#if defined(__APPLE__)
+	std::string path = File::GetBundleDirectory() + "/Contents/Resources";
+#elif defined(_WIN32)
+	std::string path = File::GetExeDirectory();
+#else
+	std::string path = File::GetSysDirectory();
+#endif
+
+    // This conversion is necessary for *reasons*
+    char sep = DIR_SEP_CHR;
+    if (path.back() != sep) {
+        path.push_back(sep);
+    }
+
+    int timestamp = std::time(0);
+
+    path = StringFromFormat("%s%d.txt", path.c_str(), timestamp);
+
+    if (_log) 
+    {
+        printf("%s\n", path.c_str());
+        File::CreateEmptyFile(path);
+        log_file = File::IOFile(path, "wb");
+    }
+}
+
+
+void StackWalker::OnStackFrame(const wxStackFrame& frame)
+{
+    const std::string head = StringFromFormat(
+        "Frame@ %p\n",
+        frame.GetAddress()
+    );
+
+    const std::string body = StringFromFormat(
+        "%lu %lu %s %s %s\n",
+        frame.GetLine(),
+        frame.GetLevel(),
+        frame.GetFileName().c_str().AsChar(),
+        frame.GetModule().c_str().AsChar(),
+        frame.GetName().c_str().AsChar()
+    );
+
+    if (_log) {
+        log_file.WriteBytes(head.data(), head.length());
+        log_file.WriteBytes(body.data(), body.length());
+    }
+
+    // To stdout as well
+    printf("%s%s", head.c_str(), body.c_str());
+}

Source/Core/Core/Debugger/StackWalker.h

@@ -0,0 +1,25 @@
+// Copyright 2008 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <wx/string.h>
+#include <wx/stackwalk.h>
+
+#include "Common/FileUtil.h"
+
+class StackWalker : public wxStackWalker
+{
+	public:
+		StackWalker(bool);
+		~StackWalker() { log_file.Close(); };
+
+		const File::IOFile& get_log_file() { return log_file; };
+		bool will_write() {return _log; };
+
+	protected:
+    	void OnStackFrame(const wxStackFrame&);
+
+	private:
+		File::IOFile log_file;
+		bool _log;
+};

Source/Core/DolphinWX/Main.cpp

@@ -38,6 +38,7 @@
 #include "Core/HW/Wiimote.h"
 #include "Core/Host.h"
 #include "Core/Movie.h"
+#include "Core/Debugger/StackWalker.h"
 
 #include "DolphinWX/Debugger/CodeWindow.h"
 #include "DolphinWX/Debugger/JitWindow.h"
@@ -473,6 +474,8 @@ int DolphinApp::OnExit()
 
 void DolphinApp::OnFatalException()
 {
+	StackWalker walker (true);
+	walker.WalkFromException();
 	WiimoteReal::Shutdown();
 }