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Added launching of a debugger when unhandled exception occurs.

This commit is contained in:
Eric Pouech 2000-04-13 19:28:28 +00:00 committed by Alexandre Julliard
parent 87031a4c4c
commit 02ee9ddaab
2 changed files with 70 additions and 7 deletions
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60
win32/except.c
View File

@ -72,8 +72,12 @@ void WINAPI RaiseException( DWORD code, DWORD flags, DWORD nbargs, const LPDWORD
DWORD WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS epointers)
{
struct exception_event_request *req = get_req_buffer();
char message[80];
PDB* pdb = PROCESS_Current();
char format[256];
char buffer[256];
HKEY hDbgConf;
DWORD bAuto;
DWORD ret = EXCEPTION_EXECUTE_HANDLER;
/* send a last chance event to the debugger */
req->record = *epointers->ExceptionRecord;
@ -90,12 +94,62 @@ DWORD WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS epointers)
/* FIXME: Should check the current error mode */
sprintf( message, "Unhandled exception 0x%08lx at address 0x%08lx.",
if (!RegOpenKeyA(HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug",
&hDbgConf)) {
DWORD type;
DWORD count;
count = sizeof(format);
if (RegQueryValueExA(hDbgConf, "Debugger", 0, &type, format, &count))
format[0] = 0;
count = sizeof(bAuto);
if (RegQueryValueExA(hDbgConf, "Auto", 0, &type, (char*)&bAuto, &count))
bAuto = FALSE;
RegCloseKey(hDbgConf);
} else {
format[0] = 0;
}
if (!bAuto) {
sprintf( buffer, "Unhandled exception 0x%08lx at address 0x%08lx.\n"
"Do you wish to debug it ?",
epointers->ExceptionRecord->ExceptionCode,
(DWORD)epointers->ExceptionRecord->ExceptionAddress );
Callout.MessageBoxA( 0, message, "Error", MB_OK | MB_ICONHAND );
if (Callout.MessageBoxA( 0, buffer, "Error", MB_YESNO | MB_ICONHAND ) == IDNO) {
TRACE("Killing process\n");
return EXCEPTION_EXECUTE_HANDLER;
}
}
if (format[0]) {
HANDLE hEvent;
PROCESS_INFORMATION info;
STARTUPINFOA startup;
TRACE("Starting debugger (fmt=%s)\n", format);
hEvent = ConvertToGlobalHandle(CreateEventA(NULL, FALSE, FALSE, NULL));
sprintf(buffer, format, (unsigned long)pdb->server_pid, hEvent);
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
if (CreateProcessA(NULL, buffer, NULL, NULL,
TRUE, 0, NULL, NULL, &startup, &info)) {
WaitForSingleObject(hEvent, INFINITE);
ret = EXCEPTION_CONTINUE_SEARCH;
} else {
ERR("Couldn't start debugger (%s)\n", buffer);
}
CloseHandle(hEvent);
} else {
ERR("No standard debugger defined in the registry => no debugging session\n");
}
return ret;
}
/***********************************************************************

9
winedefault.reg
View File

@ -57,6 +57,15 @@
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion]
"ProgramFilesDir"="C:\Program Files"
#
# Configuration for unhandled exceptions
#
[MACHINE\Software\Microsoft\Windows NT\CurrentVersionAeDebug]
# command line to start a debugger when an exception occurs
"Debugger"="debugger/winedbg %ld %ld"
# to 1 if no message box has to be presented before running the debugger
"Auto"=dword:00000000
#
# This identifies the files for available code pages
#