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authorrubidium <rubidium@openttd.org>2009-09-07 11:10:49 +0000
committerrubidium <rubidium@openttd.org>2009-09-07 11:10:49 +0000
commit2b144e2ea65e9ffc61b493a94063585c21b17a0e (patch)
tree4bf125c97b6dd57750015c5952888ebd12d9e2e1 /src/os
parent8186dd616b628d822abad295183c29de3d4b95ab (diff)
downloadopenttd-2b144e2ea65e9ffc61b493a94063585c21b17a0e.tar.xz
(svn r17450) -Codechange: refactor the windows crash logger so parts of it can be reused by other crash logger implementations
Diffstat (limited to 'src/os')
-rw-r--r--src/os/windows/crashlog_win.cpp552
-rw-r--r--src/os/windows/win32.cpp16
2 files changed, 286 insertions, 282 deletions
diff --git a/src/os/windows/crashlog_win.cpp b/src/os/windows/crashlog_win.cpp
index cf622fc52..4919fa683 100644
--- a/src/os/windows/crashlog_win.cpp
+++ b/src/os/windows/crashlog_win.cpp
@@ -9,38 +9,101 @@
/** @file crashlog_win.cpp Implementation of a crashlogger for Windows */
-#if defined(WIN32_EXCEPTION_TRACKER)
-
#include "../../stdafx.h"
+#include "../../crashlog.h"
#include "win32.h"
#include "../../core/alloc_func.hpp"
+#include "../../core/math_func.hpp"
#include "../../string_func.h"
-#include "../../gamelog.h"
-#include "../../saveload/saveload.h"
#include "../../fileio_func.h"
-#include "../../rev.h"
#include "../../strings_func.h"
#include <windows.h>
-#include <dbghelp.h>
-static const char *_exception_string = NULL;
-void SetExceptionString(const char *s, ...)
-{
- va_list va;
- char buf[512];
+/**
+ * Windows implementation for the crash logger.
+ */
+class CrashLogWindows : public CrashLog {
+ /** Information about the encountered exception */
+ EXCEPTION_POINTERS *ep;
+
+ /* virtual */ char *LogOSVersion(char *buffer, const char *last) const;
+ /* virtual */ char *LogError(char *buffer, const char *last, const char *message) const;
+ /* virtual */ char *LogStacktrace(char *buffer, const char *last) const;
+ /* virtual */ char *LogRegisters(char *buffer, const char *last) const;
+ /* virtual */ char *LogModules(char *buffer, const char *last) const;
+public:
+#if defined(_MSC_VER)
+ /* virtual */ int WriteCrashDump(char *filename, const char *filename_last) const;
+#endif /* _MSC_VER */
+
+ /** Buffer for the generated crash log */
+ char crashlog[65536];
+ /** Buffer for the filename of the crash log */
+ char crashlog_filename[MAX_PATH];
+ /** Buffer for the filename of the crash dump */
+ char crashdump_filename[MAX_PATH];
+
+ /**
+ * A crash log is always generated when it's generated.
+ * @param ep the data related to the exception.
+ */
+ CrashLogWindows(EXCEPTION_POINTERS *ep = NULL) :
+ ep(ep)
+ {
+ this->crashlog[0] = '\0';
+ this->crashlog_filename[0] = '\0';
+ this->crashdump_filename[0] = '\0';
+ }
+
+ /**
+ * Points to the current crash log.
+ */
+ static CrashLogWindows *current;
+};
- va_start(va, s);
- vsnprintf(buf, lengthof(buf), s, va);
- va_end(va);
+/* static */ CrashLogWindows *CrashLogWindows::current = NULL;
+
+/* virtual */ char *CrashLogWindows::LogOSVersion(char *buffer, const char *last) const
+{
+ _OSVERSIONINFOA os;
+ os.dwOSVersionInfoSize = sizeof(os);
+ GetVersionExA(&os);
+
+ return buffer + seprintf(buffer, last,
+ "Operating system:\n"
+ " Name: Windows\n"
+ " Release: %d.%d.%d (%s)\n"
+ " MSVC: %s\n\n",
+ (int)os.dwMajorVersion,
+ (int)os.dwMinorVersion,
+ (int)os.dwBuildNumber,
+ os.szCSDVersion,
+#if defined(_MSC_VER)
+ "Yes"
+#else
+ "No"
+#endif
+ );
- _exception_string = strdup(buf);
}
-static void *_safe_esp;
-static char *_crash_msg;
-static bool _expanded;
-static bool _did_emerg_save;
+/* virtual */ char *CrashLogWindows::LogError(char *buffer, const char *last, const char *message) const
+{
+ return buffer + seprintf(buffer, last,
+ "Crash reason:\n"
+ " Exception: %.8X\n"
+#ifdef _M_AMD64
+ " Location: %.16IX\n"
+#else
+ " Location: %.8X\n"
+#endif
+ " Message: %s\n\n",
+ (int)ep->ExceptionRecord->ExceptionCode,
+ (size_t)ep->ExceptionRecord->ExceptionAddress,
+ message == NULL ? "<none>" : message
+ );
+}
struct DebugFileInfo {
uint32 size;
@@ -112,7 +175,7 @@ static char *PrintModuleInfo(char *output, const char *last, HMODULE mod)
GetModuleFileName(mod, buffer, MAX_PATH);
GetFileInfo(&dfi, buffer);
- output += seprintf(output, last, " %-20s handle: %p size: %d crc: %.8X date: %d-%.2d-%.2d %.2d:%.2d:%.2d\r\n",
+ output += seprintf(output, last, " %-20s handle: %p size: %d crc: %.8X date: %d-%.2d-%.2d %.2d:%.2d:%.2d\n",
WIDE_TO_MB(buffer),
mod,
dfi.size,
@@ -127,10 +190,13 @@ static char *PrintModuleInfo(char *output, const char *last, HMODULE mod)
return output;
}
-static char *PrintModuleList(char *output, const char *last)
+/* virtual */ char *CrashLogWindows::LogModules(char *output, const char *last) const
{
+ MakeCRCTable(AllocaM(uint32, 256));
BOOL (WINAPI *EnumProcessModules)(HANDLE, HMODULE*, DWORD, LPDWORD);
+ output += seprintf(output, last, "Module information:\n");
+
if (LoadLibraryList((Function*)&EnumProcessModules, "psapi.dll\0EnumProcessModules\0\0")) {
HMODULE modules[100];
DWORD needed;
@@ -144,183 +210,25 @@ static char *PrintModuleList(char *output, const char *last)
size_t count = min(needed / sizeof(HMODULE), lengthof(modules));
for (size_t i = 0; i != count; i++) output = PrintModuleInfo(output, last, modules[i]);
- return output;
+ return output + seprintf(output, last, "\n");
}
}
}
output = PrintModuleInfo(output, last, NULL);
- return output;
-}
-
-static const TCHAR _crash_desc[] =
- _T("A serious fault condition occured in the game. The game will shut down.\n")
- _T("Please send the crash information and the crash.dmp file (if any) to the developers.\n")
- _T("This will greatly help debugging. The correct place to do this is http://bugs.openttd.org. ")
- _T("The information contained in the report is displayed below.\n")
- _T("Press \"Emergency save\" to attempt saving the game.");
-
-static const TCHAR _save_succeeded[] =
- _T("Emergency save succeeded.\n")
- _T("Be aware that critical parts of the internal game state may have become ")
- _T("corrupted. The saved game is not guaranteed to work.");
-
-static const TCHAR _emergency_crash[] =
- _T("A serious fault condition occured in the game. The game will shut down.\n")
- _T("As you loaded an emergency savegame no crash information will be generated.\n");
-
-static bool EmergencySave()
-{
- GamelogStartAction(GLAT_EMERGENCY);
- GamelogEmergency();
- GamelogStopAction();
- SaveOrLoad("crash.sav", SL_SAVE, BASE_DIR);
- return true;
+ return output + seprintf(output, last, "\n");
}
-static const TCHAR * const _expand_texts[] = {_T("S&how report >>"), _T("&Hide report <<") };
-
-static void SetWndSize(HWND wnd, int mode)
+/* virtual */ char *CrashLogWindows::LogRegisters(char *buffer, const char *last) const
{
- RECT r, r2;
-
- GetWindowRect(wnd, &r);
- SetDlgItemText(wnd, 15, _expand_texts[mode == 1]);
-
- if (mode >= 0) {
- GetWindowRect(GetDlgItem(wnd, 11), &r2);
- int offs = r2.bottom - r2.top + 10;
- if (!mode) offs = -offs;
- SetWindowPos(wnd, HWND_TOPMOST, 0, 0,
- r.right - r.left, r.bottom - r.top + offs, SWP_NOMOVE | SWP_NOZORDER);
- } else {
- SetWindowPos(wnd, HWND_TOPMOST,
- (GetSystemMetrics(SM_CXSCREEN) - (r.right - r.left)) / 2,
- (GetSystemMetrics(SM_CYSCREEN) - (r.bottom - r.top)) / 2,
- 0, 0, SWP_NOSIZE);
- }
-}
-
-static bool DoEmergencySave(HWND wnd)
-{
- bool b = false;
-
- EnableWindow(GetDlgItem(wnd, 13), FALSE);
- _did_emerg_save = true;
- __try {
- b = EmergencySave();
- } __except (1) {}
- return b;
-}
-
-static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
-{
- switch (msg) {
- case WM_INITDIALOG: {
-#if defined(UNICODE)
- /* We need to put the crash-log in a seperate buffer because the default
- * buffer in MB_TO_WIDE is not large enough (512 chars) */
- wchar_t crash_msgW[8096];
-#endif
- SetDlgItemText(wnd, 10, _crash_desc);
- SetDlgItemText(wnd, 11, MB_TO_WIDE_BUFFER(_crash_msg, crash_msgW, lengthof(crash_msgW)));
- SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);
- SetWndSize(wnd, -1);
- } return TRUE;
- case WM_COMMAND:
- switch (wParam) {
- case 12: // Close
- ExitProcess(0);
- case 13: // Emergency save
- if (DoEmergencySave(wnd)) {
- MessageBox(wnd, _save_succeeded, _T("Save successful"), MB_ICONINFORMATION);
- } else {
- MessageBox(wnd, _T("Save failed"), _T("Save failed"), MB_ICONINFORMATION);
- }
- break;
- case 15: // Expand window to show crash-message
- _expanded ^= 1;
- SetWndSize(wnd, _expanded);
- break;
- }
- return TRUE;
- case WM_CLOSE: ExitProcess(0);
- }
-
- return FALSE;
-}
-
-static void Handler2()
-{
- ShowCursor(TRUE);
- ShowWindow(GetActiveWindow(), FALSE);
- DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(100), NULL, CrashDialogFunc);
-}
-
-extern bool CloseConsoleLogIfActive();
-
-static HANDLE _file_crash_log;
-
-static void GamelogPrintCrashLogProc(const char *s)
-{
- DWORD num_written;
- WriteFile(_file_crash_log, s, (DWORD)strlen(s), &num_written, NULL);
- WriteFile(_file_crash_log, "\r\n", (DWORD)strlen("\r\n"), &num_written, NULL);
-}
-
-/** Amount of output for the execption handler. */
-static const int EXCEPTION_OUTPUT_SIZE = 8192;
-
-static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
-{
- char *output;
- static bool had_exception = false;
-
- if (had_exception) ExitProcess(0);
- if (GamelogTestEmergency()) {
- MessageBox(NULL, _emergency_crash, _T("Fatal Application Failure"), MB_ICONERROR);
- ExitProcess(0);
- }
- had_exception = true;
-
- MakeCRCTable(AllocaM(uint32, 256));
- _crash_msg = output = (char*)LocalAlloc(LMEM_FIXED, EXCEPTION_OUTPUT_SIZE);
- const char *last = output + EXCEPTION_OUTPUT_SIZE - 1;
-
- {
- SYSTEMTIME time;
- GetLocalTime(&time);
- output += seprintf(output, last,
- "*** OpenTTD Crash Report ***\r\n"
- "Date: %d-%.2d-%.2d %.2d:%.2d:%.2d\r\n"
- "Build: %s (%d) built on %s\r\n",
- time.wYear,
- time.wMonth,
- time.wDay,
- time.wHour,
- time.wMinute,
- time.wSecond,
- _openttd_revision,
- _openttd_revision_modified,
- _openttd_build_date
- );
- }
-
- if (_exception_string)
- output += seprintf(output, last, "Reason: %s\r\n", _exception_string);
-
- output += seprintf(output, last, "Language: %s\r\n", _dynlang.curr_file);
-
+ buffer += seprintf(buffer, last, "Registers:\n");
#ifdef _M_AMD64
- output += seprintf(output, last, "Exception %.8X at %.16IX\r\n"
- "Registers:\r\n"
- "RAX: %.16llX RBX: %.16llX RCX: %.16llX RDX: %.16llX\r\n"
- "RSI: %.16llX RDI: %.16llX RBP: %.16llX RSP: %.16llX\r\n"
- "R8: %.16llX R9: %.16llX R10: %.16llX R11: %.16llX\r\n"
- "R12: %.16llX R13: %.16llX R14: %.16llX R15: %.16llX\r\n"
- "RIP: %.16llX EFLAGS: %.8X\r\n"
- "\r\nBytes at CS:RIP:\r\n",
- ep->ExceptionRecord->ExceptionCode,
- ep->ExceptionRecord->ExceptionAddress,
+ buffer += seprintf(buffer, last,
+ "Registers:\n"
+ " RAX: %.16llX RBX: %.16llX RCX: %.16llX RDX: %.16llX\n"
+ " RSI: %.16llX RDI: %.16llX RBP: %.16llX RSP: %.16llX\n"
+ " R8: %.16llX R9: %.16llX R10: %.16llX R11: %.16llX\n"
+ " R12: %.16llX R13: %.16llX R14: %.16llX R15: %.16llX\n"
+ " RIP: %.16llX EFLAGS: %.8X\n",
ep->ContextRecord->Rax,
ep->ContextRecord->Rbx,
ep->ContextRecord->Rcx,
@@ -341,88 +249,68 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
ep->ContextRecord->EFlags
);
#else
- output += seprintf(output, last, "Exception %.8X at %.8p\r\n"
- "Registers:\r\n"
- " EAX: %.8X EBX: %.8X ECX: %.8X EDX: %.8X\r\n"
- " ESI: %.8X EDI: %.8X EBP: %.8X ESP: %.8X\r\n"
- " EIP: %.8X EFLAGS: %.8X\r\n"
- "\r\nBytes at CS:EIP:\r\n",
- ep->ExceptionRecord->ExceptionCode,
- ep->ExceptionRecord->ExceptionAddress,
- ep->ContextRecord->Eax,
- ep->ContextRecord->Ebx,
- ep->ContextRecord->Ecx,
- ep->ContextRecord->Edx,
- ep->ContextRecord->Esi,
- ep->ContextRecord->Edi,
- ep->ContextRecord->Ebp,
- ep->ContextRecord->Esp,
- ep->ContextRecord->Eip,
- ep->ContextRecord->EFlags
+ buffer += seprintf(buffer, last,
+ " EAX: %.8X EBX: %.8X ECX: %.8X EDX: %.8X\n"
+ " ESI: %.8X EDI: %.8X EBP: %.8X ESP: %.8X\n"
+ " EIP: %.8X EFLAGS: %.8X\n",
+ (int)ep->ContextRecord->Eax,
+ (int)ep->ContextRecord->Ebx,
+ (int)ep->ContextRecord->Ecx,
+ (int)ep->ContextRecord->Edx,
+ (int)ep->ContextRecord->Esi,
+ (int)ep->ContextRecord->Edi,
+ (int)ep->ContextRecord->Ebp,
+ (int)ep->ContextRecord->Esp,
+ (int)ep->ContextRecord->Eip,
+ (int)ep->ContextRecord->EFlags
);
#endif
- {
+ buffer += seprintf(buffer, last, "\n Bytes at instruction pointer:\n");
#ifdef _M_AMD64
- byte *b = (byte*)ep->ContextRecord->Rip;
+ byte *b = (byte*)ep->ContextRecord->Rip;
#else
- byte *b = (byte*)ep->ContextRecord->Eip;
+ byte *b = (byte*)ep->ContextRecord->Eip;
#endif
- int i;
- for (i = 0; i != 24; i++) {
- if (IsBadReadPtr(b, 1)) {
- output += seprintf(output, last, " ??"); // OCR: WAS: , 0);
- } else {
- output += seprintf(output, last, " %.2X", *b);
- }
- b++;
+ for (int i = 0; i != 24; i++) {
+ if (IsBadReadPtr(b, 1)) {
+ buffer += seprintf(buffer, last, " ??"); // OCR: WAS: , 0);
+ } else {
+ buffer += seprintf(buffer, last, " %.2X", *b);
}
- output += seprintf(output, last,
- "\r\n"
- "\r\nStack trace: \r\n"
- );
+ b++;
}
+ return buffer + seprintf(buffer, last, "\n\n");
+}
- {
- int i, j;
+/* virtual */ char *CrashLogWindows::LogStacktrace(char *buffer, const char *last) const
+{
+ buffer += seprintf(buffer, last, "Stack trace:\n");
#ifdef _M_AMD64
- uint32 *b = (uint32*)ep->ContextRecord->Rsp;
+ uint32 *b = (uint32*)ep->ContextRecord->Rsp;
#else
- uint32 *b = (uint32*)ep->ContextRecord->Esp;
+ uint32 *b = (uint32*)ep->ContextRecord->Esp;
#endif
- for (j = 0; j != 24; j++) {
- for (i = 0; i != 8; i++) {
- if (IsBadReadPtr(b, sizeof(uint32))) {
- output += seprintf(output, last, " ????????"); // OCR: WAS - , 0);
- } else {
- output += seprintf(output, last, " %.8X", *b);
- }
- b++;
+ for (int j = 0; j != 24; j++) {
+ for (int i = 0; i != 8; i++) {
+ if (IsBadReadPtr(b, sizeof(uint32))) {
+ buffer += seprintf(buffer, last, " ????????"); // OCR: WAS - , 0);
+ } else {
+ buffer += seprintf(buffer, last, " %.8X", *b);
}
- output += seprintf(output, last, "\r\n");
+ b++;
}
+ buffer += seprintf(buffer, last, "\n");
}
+ return buffer + seprintf(buffer, last, "\n");
+}
- output += seprintf(output, last, "\r\nModule information:\r\n");
- output = PrintModuleList(output, last);
-
- {
- _OSVERSIONINFOA os;
- os.dwOSVersionInfoSize = sizeof(os);
- GetVersionExA(&os);
- output += seprintf(output, last, "\r\nSystem information:\r\n"
- " Windows version %d.%d %d %s\r\n\r\n",
- os.dwMajorVersion, os.dwMinorVersion, os.dwBuildNumber, os.szCSDVersion);
- }
-
- _file_crash_log = CreateFile(_T("crash.log"), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
-
- if (_file_crash_log != INVALID_HANDLE_VALUE) {
- DWORD num_written;
- WriteFile(_file_crash_log, _crash_msg, output - _crash_msg, &num_written, NULL);
- }
+#if defined(_MSC_VER)
+#include <dbghelp.h>
-#if !defined(_DEBUG)
+/* virtual */ int CrashLogWindows::WriteCrashDump(char *filename, const char *filename_last) const
+{
+ int ret = 0;
HMODULE dbghelp = LoadLibrary(_T("dbghelp.dll"));
if (dbghelp != NULL) {
typedef BOOL (WINAPI *MiniDumpWriteDump_t)(HANDLE, DWORD, HANDLE,
@@ -432,18 +320,17 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
CONST PMINIDUMP_CALLBACK_INFORMATION);
MiniDumpWriteDump_t funcMiniDumpWriteDump = (MiniDumpWriteDump_t)GetProcAddress(dbghelp, "MiniDumpWriteDump");
if (funcMiniDumpWriteDump != NULL) {
- HANDLE file = CreateFile(_T("crash.dmp"), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
+ seprintf(filename, filename_last, "%scrash.dmp", _personal_dir);
+ HANDLE file = CreateFile(OTTD2FS(filename), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
HANDLE proc = GetCurrentProcess();
DWORD procid = GetCurrentProcessId();
MINIDUMP_EXCEPTION_INFORMATION mdei;
MINIDUMP_USER_STREAM userstream;
MINIDUMP_USER_STREAM_INFORMATION musi;
- char msg[64];
- seprintf(msg, lastof(msg), "****** Built on %s. ******", _openttd_build_date);
userstream.Type = LastReservedStream + 1;
- userstream.Buffer = msg;
- userstream.BufferSize = sizeof(msg);
+ userstream.Buffer = (void*)this->crashlog;
+ userstream.BufferSize = (ULONG)strlen(this->crashlog) + 1;
musi.UserStreamCount = 1;
musi.UserStreamArray = &userstream;
@@ -453,31 +340,53 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
mdei.ClientPointers = false;
funcMiniDumpWriteDump(proc, procid, file, MiniDumpWithDataSegs, &mdei, &musi, NULL);
+ ret = 1;
+ } else {
+ ret = -1;
}
FreeLibrary(dbghelp);
}
-#endif
+ return ret;
+}
+#endif /* _MSC_VER */
+
+extern bool CloseConsoleLogIfActive();
+static void ShowCrashlogWindow();
+
+/**
+ * Stack pointer for use when 'starting' the crash handler.
+ * Not static as gcc's inline assembly needs it that way.
+ */
+void *_safe_esp = NULL;
- if (_file_crash_log != INVALID_HANDLE_VALUE) {
- GamelogPrint(&GamelogPrintCrashLogProc);
- CloseHandle(_file_crash_log);
+static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
+{
+ if (CrashLogWindows::current != NULL) {
+ CrashLog::AfterCrashLogCleanup();
+ ExitProcess(2);
}
+ CrashLogWindows *log = new CrashLogWindows(ep);
+ CrashLogWindows::current = log;
+ log->FillCrashLog(log->crashlog, lastof(log->crashlog));
+ log->WriteCrashLog(log->crashlog, log->crashlog_filename, lastof(log->crashlog_filename));
+ log->WriteCrashDump(log->crashdump_filename, lastof(log->crashdump_filename));
+
/* Close any possible log files */
CloseConsoleLogIfActive();
if (_safe_esp) {
#ifdef _M_AMD64
- ep->ContextRecord->Rip = (DWORD64)Handler2;
+ ep->ContextRecord->Rip = (DWORD64)ShowCrashlogWindow;
ep->ContextRecord->Rsp = (DWORD64)_safe_esp;
#else
- ep->ContextRecord->Eip = (DWORD)Handler2;
+ ep->ContextRecord->Eip = (DWORD)ShowCrashlogWindow;
ep->ContextRecord->Esp = (DWORD)_safe_esp;
#endif
return EXCEPTION_CONTINUE_EXECUTION;
}
-
+ CrashLog::AfterCrashLogCleanup();
return EXCEPTION_EXECUTE_HANDLER;
}
@@ -485,8 +394,9 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
extern "C" void *_get_safe_esp();
#endif
-void Win32InitializeExceptions()
+/* static */ void CrashLog::InitialiseCrashLog()
{
+#if defined(_MSC_VER)
#ifdef _M_AMD64
_safe_esp = _get_safe_esp();
#else
@@ -494,7 +404,111 @@ void Win32InitializeExceptions()
mov _safe_esp, esp
}
#endif
+#else
+ asm("movl %esp, __safe_esp");
+#endif
SetUnhandledExceptionFilter(ExceptionHandler);
}
-#endif /* WIN32_EXCEPTION_TRACKER */
+
+/* The crash log GUI */
+
+static bool _expanded;
+
+static const TCHAR _crash_desc[] =
+ _T("A serious fault condition occured in the game. The game will shut down.\n")
+ _T("Please send the crash information and the crash.dmp file (if any) to the developers.\n")
+ _T("This will greatly help debugging. The correct place to do this is http://bugs.openttd.org. ")
+ _T("The information contained in the report is displayed below.\n")
+ _T("Press \"Emergency save\" to attempt saving the game.");
+
+static const TCHAR _save_succeeded[] =
+ _T("Emergency save succeeded.\n")
+ _T("Be aware that critical parts of the internal game state may have become ")
+ _T("corrupted. The saved game is not guaranteed to work.");
+
+static const TCHAR _emergency_crash[] =
+ _T("A serious fault condition occured in the game. The game will shut down.\n")
+ _T("As you loaded an emergency savegame no crash information will be generated.\n");
+
+static const TCHAR * const _expand_texts[] = {_T("S&how report >>"), _T("&Hide report <<") };
+
+static void SetWndSize(HWND wnd, int mode)
+{
+ RECT r, r2;
+
+ GetWindowRect(wnd, &r);
+ SetDlgItemText(wnd, 15, _expand_texts[mode == 1]);
+
+ if (mode >= 0) {
+ GetWindowRect(GetDlgItem(wnd, 11), &r2);
+ int offs = r2.bottom - r2.top + 10;
+ if (!mode) offs = -offs;
+ SetWindowPos(wnd, HWND_TOPMOST, 0, 0,
+ r.right - r.left, r.bottom - r.top + offs, SWP_NOMOVE | SWP_NOZORDER);
+ } else {
+ SetWindowPos(wnd, HWND_TOPMOST,
+ (GetSystemMetrics(SM_CXSCREEN) - (r.right - r.left)) / 2,
+ (GetSystemMetrics(SM_CYSCREEN) - (r.bottom - r.top)) / 2,
+ 0, 0, SWP_NOSIZE);
+ }
+}
+
+static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+ switch (msg) {
+ case WM_INITDIALOG: {
+#if defined(UNICODE)
+ /* We need to put the crash-log in a seperate buffer because the default
+ * buffer in MB_TO_WIDE is not large enough (512 chars) */
+ wchar_t crash_msgW[lengthof(CrashLogWindows::current->crashlog)];
+#endif
+ /* Convert unix -> dos newlines because the edit box only supports that properly :( */
+ const char *unix_nl = CrashLogWindows::current->crashlog;
+ char dos_nl[lengthof(CrashLogWindows::current->crashlog)];
+ char *p = dos_nl;
+ WChar c;
+ while ((c = Utf8Consume(&unix_nl)) && p < lastof(dos_nl) - 4) { // 4 is max number of bytes per character
+ if (c == '\n') p += Utf8Encode(p, '\r');
+ p += Utf8Encode(p, c);
+ }
+ *p = '\0';
+
+ SetDlgItemText(wnd, 10, _crash_desc);
+ SetDlgItemText(wnd, 11, MB_TO_WIDE_BUFFER(dos_nl, crash_msgW, lengthof(crash_msgW)));
+ SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);
+ SetWndSize(wnd, -1);
+ } return TRUE;
+ case WM_COMMAND:
+ switch (wParam) {
+ case 12: // Close
+ CrashLog::AfterCrashLogCleanup();
+ ExitProcess(2);
+ case 13: // Emergency save
+ char filename[MAX_PATH];
+ if (CrashLogWindows::current->WriteSavegame(filename, lastof(filename))) {
+ MessageBox(wnd, _save_succeeded, _T("Save successful"), MB_ICONINFORMATION);
+ } else {
+ MessageBox(wnd, _T("Save failed"), _T("Save failed"), MB_ICONINFORMATION);
+ }
+ break;
+ case 15: // Expand window to show crash-message
+ _expanded ^= 1;
+ SetWndSize(wnd, _expanded);
+ break;
+ }
+ return TRUE;
+ case WM_CLOSE:
+ CrashLog::AfterCrashLogCleanup();
+ ExitProcess(2);
+ }
+
+ return FALSE;
+}
+
+static void ShowCrashlogWindow()
+{
+ ShowCursor(TRUE);
+ ShowWindow(GetActiveWindow(), FALSE);
+ DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(100), NULL, CrashDialogFunc);
+}
diff --git a/src/os/windows/win32.cpp b/src/os/windows/win32.cpp
index 985a7a343..6ca970149 100644
--- a/src/os/windows/win32.cpp
+++ b/src/os/windows/win32.cpp
@@ -23,6 +23,7 @@
#include "../../functions.h"
#include "../../core/random_func.hpp"
#include "../../string_func.h"
+#include "../../crashlog.h"
#include <errno.h>
#include <sys/stat.h>
@@ -72,14 +73,6 @@ void ShowOSErrorBox(const char *buf, bool system)
{
MyShowCursor(true);
MessageBox(GetActiveWindow(), MB_TO_WIDE(buf), _T("Error!"), MB_ICONSTOP);
-
- /* If exception tracker is enabled, we crash here to let the exception handler handle it. */
-#if defined(WIN32_EXCEPTION_TRACKER) && defined(NDEBUG)
- if (system) {
- SetExceptionString("%s", buf);
- *(byte*)0 = 0;
- }
-#endif
}
/* Code below for windows version of opendir/readdir/closedir copied and
@@ -354,6 +347,8 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
_codepage = GetACP(); // get system codepage as some kind of a default
#endif /* UNICODE */
+ CrashLog::InitialiseCrashLog();
+
#if defined(UNICODE)
#if !defined(WINCE)
@@ -382,11 +377,6 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
argc = ParseCommandLine(cmdline, argv, lengthof(argv));
-#if defined(WIN32_EXCEPTION_TRACKER)
- void Win32InitializeExceptions();
- Win32InitializeExceptions();
-#endif
-
ttd_main(argc, argv);
return 0;
}