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/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file crashlog_win.cpp Implementation of a crashlogger for Windows */
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#include "../../stdafx.h"
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#include "../../crashlog.h"
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#include "win32.h"
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#include "../../core/alloc_func.hpp"
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#include "../../core/math_func.hpp"
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#include "../../string_func.h"
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#include "../../fileio_func.h"
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#include "../../strings_func.h"
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#include "../../gamelog.h"
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#include <windows.h>
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#include <signal.h>
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/**
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* Windows implementation for the crash logger.
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*/
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class CrashLogWindows : public CrashLog {
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/** Information about the encountered exception */
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EXCEPTION_POINTERS *ep;
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/* virtual */ char *LogOSVersion(char *buffer, const char *last) const;
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/* virtual */ char *LogError(char *buffer, const char *last, const char *message) const;
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/* virtual */ char *LogStacktrace(char *buffer, const char *last) const;
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/* virtual */ char *LogRegisters(char *buffer, const char *last) const;
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/* virtual */ char *LogModules(char *buffer, const char *last) const;
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public:
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#if defined(_MSC_VER)
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/* virtual */ int WriteCrashDump(char *filename, const char *filename_last) const;
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#endif /* _MSC_VER */
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/** Buffer for the generated crash log */
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char crashlog[65536];
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/** Buffer for the filename of the crash log */
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char crashlog_filename[MAX_PATH];
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/** Buffer for the filename of the crash dump */
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char crashdump_filename[MAX_PATH];
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/** Buffer for the filename of the crash screenshot */
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char screenshot_filename[MAX_PATH];
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/**
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* A crash log is always generated when it's generated.
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* @param ep the data related to the exception.
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*/
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CrashLogWindows(EXCEPTION_POINTERS *ep = NULL) :
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ep(ep)
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{
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this->crashlog[0] = '\0';
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this->crashlog_filename[0] = '\0';
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this->crashdump_filename[0] = '\0';
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this->screenshot_filename[0] = '\0';
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}
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/**
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* Points to the current crash log.
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*/
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static CrashLogWindows *current;
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};
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/* static */ CrashLogWindows *CrashLogWindows::current = NULL;
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/* virtual */ char *CrashLogWindows::LogOSVersion(char *buffer, const char *last) const
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{
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_OSVERSIONINFOA os;
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os.dwOSVersionInfoSize = sizeof(os);
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GetVersionExA(&os);
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return buffer + seprintf(buffer, last,
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"Operating system:\n"
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" Name: Windows\n"
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" Release: %d.%d.%d (%s)\n"
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" MSVC: %s\n\n",
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(int)os.dwMajorVersion,
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(int)os.dwMinorVersion,
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(int)os.dwBuildNumber,
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os.szCSDVersion,
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#if defined(_MSC_VER)
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"Yes"
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#else
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"No"
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#endif
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);
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}
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/* virtual */ char *CrashLogWindows::LogError(char *buffer, const char *last, const char *message) const
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{
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return buffer + seprintf(buffer, last,
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"Crash reason:\n"
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" Exception: %.8X\n"
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#ifdef _M_AMD64
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" Location: %.16IX\n"
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#else
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" Location: %.8X\n"
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#endif
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" Message: %s\n\n",
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(int)ep->ExceptionRecord->ExceptionCode,
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(size_t)ep->ExceptionRecord->ExceptionAddress,
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message == NULL ? "<none>" : message
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);
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}
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struct DebugFileInfo {
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uint32 size;
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uint32 crc32;
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SYSTEMTIME file_time;
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};
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static uint32 *_crc_table;
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static void MakeCRCTable(uint32 *table)
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{
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uint32 crc, poly = 0xEDB88320L;
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int i;
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int j;
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_crc_table = table;
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for (i = 0; i != 256; i++) {
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crc = i;
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for (j = 8; j != 0; j--) {
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crc = (crc & 1 ? (crc >> 1) ^ poly : crc >> 1);
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}
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table[i] = crc;
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}
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}
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static uint32 CalcCRC(byte *data, uint size, uint32 crc)
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{
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for (; size > 0; size--) {
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crc = ((crc >> 8) & 0x00FFFFFF) ^ _crc_table[(crc ^ *data++) & 0xFF];
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}
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return crc;
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}
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static void GetFileInfo(DebugFileInfo *dfi, const TCHAR *filename)
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{
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HANDLE file;
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memset(dfi, 0, sizeof(*dfi));
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file = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
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if (file != INVALID_HANDLE_VALUE) {
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byte buffer[1024];
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DWORD numread;
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uint32 filesize = 0;
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FILETIME write_time;
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uint32 crc = (uint32)-1;
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for (;;) {
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if (ReadFile(file, buffer, sizeof(buffer), &numread, NULL) == 0 || numread == 0)
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break;
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filesize += numread;
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crc = CalcCRC(buffer, numread, crc);
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}
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dfi->size = filesize;
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dfi->crc32 = crc ^ (uint32)-1;
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if (GetFileTime(file, NULL, NULL, &write_time)) {
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FileTimeToSystemTime(&write_time, &dfi->file_time);
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}
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CloseHandle(file);
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}
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}
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static char *PrintModuleInfo(char *output, const char *last, HMODULE mod)
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{
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TCHAR buffer[MAX_PATH];
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DebugFileInfo dfi;
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GetModuleFileName(mod, buffer, MAX_PATH);
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GetFileInfo(&dfi, buffer);
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output += seprintf(output, last, " %-20s handle: %p size: %d crc: %.8X date: %d-%.2d-%.2d %.2d:%.2d:%.2d\n",
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WIDE_TO_MB(buffer),
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mod,
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dfi.size,
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dfi.crc32,
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dfi.file_time.wYear,
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dfi.file_time.wMonth,
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dfi.file_time.wDay,
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dfi.file_time.wHour,
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dfi.file_time.wMinute,
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dfi.file_time.wSecond
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);
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return output;
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}
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/* virtual */ char *CrashLogWindows::LogModules(char *output, const char *last) const
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{
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MakeCRCTable(AllocaM(uint32, 256));
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BOOL (WINAPI *EnumProcessModules)(HANDLE, HMODULE*, DWORD, LPDWORD);
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output += seprintf(output, last, "Module information:\n");
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if (LoadLibraryList((Function*)&EnumProcessModules, "psapi.dll\0EnumProcessModules\0\0")) {
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HMODULE modules[100];
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DWORD needed;
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BOOL res;
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HANDLE proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, GetCurrentProcessId());
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if (proc != NULL) {
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res = EnumProcessModules(proc, modules, sizeof(modules), &needed);
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CloseHandle(proc);
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if (res) {
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size_t count = min(needed / sizeof(HMODULE), lengthof(modules));
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for (size_t i = 0; i != count; i++) output = PrintModuleInfo(output, last, modules[i]);
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return output + seprintf(output, last, "\n");
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}
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}
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}
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output = PrintModuleInfo(output, last, NULL);
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return output + seprintf(output, last, "\n");
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}
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/* virtual */ char *CrashLogWindows::LogRegisters(char *buffer, const char *last) const
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{
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buffer += seprintf(buffer, last, "Registers:\n");
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#ifdef _M_AMD64
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buffer += seprintf(buffer, last,
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" RAX: %.16llX RBX: %.16llX RCX: %.16llX RDX: %.16llX\n"
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" RSI: %.16llX RDI: %.16llX RBP: %.16llX RSP: %.16llX\n"
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" R8: %.16llX R9: %.16llX R10: %.16llX R11: %.16llX\n"
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" R12: %.16llX R13: %.16llX R14: %.16llX R15: %.16llX\n"
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" RIP: %.16llX EFLAGS: %.8X\n",
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ep->ContextRecord->Rax,
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ep->ContextRecord->Rbx,
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ep->ContextRecord->Rcx,
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ep->ContextRecord->Rdx,
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ep->ContextRecord->Rsi,
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ep->ContextRecord->Rdi,
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ep->ContextRecord->Rbp,
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ep->ContextRecord->Rsp,
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ep->ContextRecord->R8,
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ep->ContextRecord->R9,
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ep->ContextRecord->R10,
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ep->ContextRecord->R11,
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ep->ContextRecord->R12,
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ep->ContextRecord->R13,
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ep->ContextRecord->R14,
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ep->ContextRecord->R15,
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ep->ContextRecord->Rip,
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ep->ContextRecord->EFlags
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);
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#else
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buffer += seprintf(buffer, last,
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" EAX: %.8X EBX: %.8X ECX: %.8X EDX: %.8X\n"
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" ESI: %.8X EDI: %.8X EBP: %.8X ESP: %.8X\n"
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" EIP: %.8X EFLAGS: %.8X\n",
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(int)ep->ContextRecord->Eax,
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(int)ep->ContextRecord->Ebx,
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(int)ep->ContextRecord->Ecx,
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(int)ep->ContextRecord->Edx,
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(int)ep->ContextRecord->Esi,
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(int)ep->ContextRecord->Edi,
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(int)ep->ContextRecord->Ebp,
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(int)ep->ContextRecord->Esp,
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(int)ep->ContextRecord->Eip,
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(int)ep->ContextRecord->EFlags
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);
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#endif
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buffer += seprintf(buffer, last, "\n Bytes at instruction pointer:\n");
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#ifdef _M_AMD64
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byte *b = (byte*)ep->ContextRecord->Rip;
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#else
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byte *b = (byte*)ep->ContextRecord->Eip;
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#endif
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for (int i = 0; i != 24; i++) {
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if (IsBadReadPtr(b, 1)) {
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buffer += seprintf(buffer, last, " ??"); // OCR: WAS: , 0);
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} else {
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buffer += seprintf(buffer, last, " %.2X", *b);
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}
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b++;
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}
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return buffer + seprintf(buffer, last, "\n\n");
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}
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/* virtual */ char *CrashLogWindows::LogStacktrace(char *buffer, const char *last) const
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{
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buffer += seprintf(buffer, last, "Stack trace:\n");
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#ifdef _M_AMD64
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uint32 *b = (uint32*)ep->ContextRecord->Rsp;
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#else
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uint32 *b = (uint32*)ep->ContextRecord->Esp;
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#endif
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for (int j = 0; j != 24; j++) {
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for (int i = 0; i != 8; i++) {
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if (IsBadReadPtr(b, sizeof(uint32))) {
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buffer += seprintf(buffer, last, " ????????"); // OCR: WAS - , 0);
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} else {
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buffer += seprintf(buffer, last, " %.8X", *b);
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}
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b++;
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}
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buffer += seprintf(buffer, last, "\n");
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}
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return buffer + seprintf(buffer, last, "\n");
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}
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#if defined(_MSC_VER)
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#include <dbghelp.h>
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/* virtual */ int CrashLogWindows::WriteCrashDump(char *filename, const char *filename_last) const
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{
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int ret = 0;
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HMODULE dbghelp = LoadLibrary(_T("dbghelp.dll"));
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if (dbghelp != NULL) {
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typedef BOOL (WINAPI *MiniDumpWriteDump_t)(HANDLE, DWORD, HANDLE,
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MINIDUMP_TYPE,
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CONST PMINIDUMP_EXCEPTION_INFORMATION,
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CONST PMINIDUMP_USER_STREAM_INFORMATION,
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CONST PMINIDUMP_CALLBACK_INFORMATION);
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MiniDumpWriteDump_t funcMiniDumpWriteDump = (MiniDumpWriteDump_t)GetProcAddress(dbghelp, "MiniDumpWriteDump");
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if (funcMiniDumpWriteDump != NULL) {
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seprintf(filename, filename_last, "%scrash.dmp", _personal_dir);
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HANDLE file = CreateFile(OTTD2FS(filename), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
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HANDLE proc = GetCurrentProcess();
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DWORD procid = GetCurrentProcessId();
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MINIDUMP_EXCEPTION_INFORMATION mdei;
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MINIDUMP_USER_STREAM userstream;
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MINIDUMP_USER_STREAM_INFORMATION musi;
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userstream.Type = LastReservedStream + 1;
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userstream.Buffer = (void*)this->crashlog;
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userstream.BufferSize = (ULONG)strlen(this->crashlog) + 1;
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musi.UserStreamCount = 1;
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musi.UserStreamArray = &userstream;
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mdei.ThreadId = GetCurrentThreadId();
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mdei.ExceptionPointers = ep;
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mdei.ClientPointers = false;
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funcMiniDumpWriteDump(proc, procid, file, MiniDumpWithDataSegs, &mdei, &musi, NULL);
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ret = 1;
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} else {
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ret = -1;
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}
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FreeLibrary(dbghelp);
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}
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return ret;
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}
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#endif /* _MSC_VER */
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extern bool CloseConsoleLogIfActive();
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static void ShowCrashlogWindow();
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/**
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|
* Stack pointer for use when 'starting' the crash handler.
|
|
|
|
* Not static as gcc's inline assembly needs it that way.
|
|
|
|
*/
|
|
|
|
void *_safe_esp = NULL;
|
|
|
|
|
|
|
|
static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
|
|
|
|
{
|
|
|
|
if (CrashLogWindows::current != NULL) {
|
|
|
|
CrashLog::AfterCrashLogCleanup();
|
|
|
|
ExitProcess(2);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GamelogTestEmergency()) {
|
|
|
|
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");
|
|
|
|
MessageBox(NULL, _emergency_crash, _T("Fatal Application Failure"), MB_ICONERROR);
|
|
|
|
ExitProcess(3);
|
|
|
|
}
|
|
|
|
|
|
|
|
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));
|
|
|
|
log->WriteScreenshot(log->screenshot_filename, lastof(log->screenshot_filename));
|
|
|
|
|
|
|
|
/* Close any possible log files */
|
|
|
|
CloseConsoleLogIfActive();
|
|
|
|
|
|
|
|
if (_safe_esp) {
|
|
|
|
#ifdef _M_AMD64
|
|
|
|
ep->ContextRecord->Rip = (DWORD64)ShowCrashlogWindow;
|
|
|
|
ep->ContextRecord->Rsp = (DWORD64)_safe_esp;
|
|
|
|
#else
|
|
|
|
ep->ContextRecord->Eip = (DWORD)ShowCrashlogWindow;
|
|
|
|
ep->ContextRecord->Esp = (DWORD)_safe_esp;
|
|
|
|
#endif
|
|
|
|
return EXCEPTION_CONTINUE_EXECUTION;
|
|
|
|
}
|
|
|
|
|
|
|
|
CrashLog::AfterCrashLogCleanup();
|
|
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef _M_AMD64
|
|
|
|
extern "C" void *_get_safe_esp();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void CDECL CustomAbort(int signal)
|
|
|
|
{
|
|
|
|
RaiseException(0xE1212012, 0, 0, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* static */ void CrashLog::InitialiseCrashLog()
|
|
|
|
{
|
|
|
|
#if defined(_MSC_VER)
|
|
|
|
#ifdef _M_AMD64
|
|
|
|
_safe_esp = _get_safe_esp();
|
|
|
|
#else
|
|
|
|
_asm {
|
|
|
|
mov _safe_esp, esp
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
asm("movl %esp, __safe_esp");
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* SIGABRT is not an unhandled exception, so we need to intercept it. */
|
|
|
|
signal(SIGABRT, CustomAbort);
|
|
|
|
#if defined(_MSC_VER)
|
|
|
|
/* Don't show abort message as we will get the crashlog window anyway. */
|
|
|
|
_set_abort_behavior(0, _WRITE_ABORT_MSG);
|
|
|
|
#endif
|
|
|
|
SetUnhandledExceptionFilter(ExceptionHandler);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 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. Generated file(s):\n")
|
|
|
|
_T("%s");
|
|
|
|
|
|
|
|
static const TCHAR _save_succeeded[] =
|
|
|
|
_T("Emergency save succeeded.\nIts location is '%s'.\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 * 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';
|
|
|
|
|
|
|
|
/* Add path to crash.log and crash.dmp (if any) to the crash window text */
|
|
|
|
size_t len = _tcslen(_crash_desc) + 2;
|
|
|
|
len += _tcslen(OTTD2FS(CrashLogWindows::current->crashlog_filename)) + 2;
|
|
|
|
len += _tcslen(OTTD2FS(CrashLogWindows::current->crashdump_filename)) + 2;
|
|
|
|
len += _tcslen(OTTD2FS(CrashLogWindows::current->screenshot_filename)) + 1;
|
|
|
|
|
|
|
|
TCHAR *text = AllocaM(TCHAR, len);
|
|
|
|
_sntprintf(text, len, _crash_desc, OTTD2FS(CrashLogWindows::current->crashlog_filename));
|
|
|
|
if (OTTD2FS(CrashLogWindows::current->crashdump_filename)[0] != _T('\0')) {
|
|
|
|
_tcscat(text, _T("\n"));
|
|
|
|
_tcscat(text, OTTD2FS(CrashLogWindows::current->crashdump_filename));
|
|
|
|
}
|
|
|
|
if (OTTD2FS(CrashLogWindows::current->screenshot_filename)[0] != _T('\0')) {
|
|
|
|
_tcscat(text, _T("\n"));
|
|
|
|
_tcscat(text, OTTD2FS(CrashLogWindows::current->screenshot_filename));
|
|
|
|
}
|
|
|
|
|
|
|
|
SetDlgItemText(wnd, 10, text);
|
|
|
|
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))) {
|
|
|
|
size_t len = _tcslen(_save_succeeded) + _tcslen(OTTD2FS(filename)) + 1;
|
|
|
|
TCHAR *text = AllocaM(TCHAR, len);
|
|
|
|
_sntprintf(text, len, _save_succeeded, OTTD2FS(filename));
|
|
|
|
MessageBox(wnd, text, _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);
|
|
|
|
}
|