/******************************************************************
* dbg_active_attach
*
* Tries to attach to a running process
* Handles the <pid> or <pid> <evt> forms
*/
enum dbg_start dbg_active_attach(int argc, char* argv[])
{
DWORD pid, evt;
/* try the form <myself> pid */
if (argc == 1 && str2int(argv[0], &pid) && pid != 0)
{
if (!dbg_attach_debuggee(pid, FALSE))
return start_error_init;
}
/* try the form <myself> pid evt (Win32 JIT debugger) */
else if (argc == 2 && str2int(argv[0], &pid) && pid != 0 &&
str2int(argv[1], &evt) && evt != 0)
{
if (!dbg_attach_debuggee(pid, TRUE))
{
/* don't care about result */
SetEvent((HANDLE)evt);
return start_error_init;
}
if (!SetEvent((HANDLE)evt))
{
WINE_ERR("Invalid event handle: %x\n", evt);
return start_error_init;
}
CloseHandle((HANDLE)evt);
}
else return start_error_parse;
dbg_curr_pid = pid;
return start_ok;
}
/******************************************************************
* backtrace_all
*
* Do a backtrace on every running thread in the system (except the debugger)
* (preserves current process information)
*/
static void backtrace_all(void)
{
struct dbg_process* process = dbg_curr_process;
struct dbg_thread* thread = dbg_curr_thread;
CONTEXT ctx = dbg_context;
DWORD cpid = dbg_curr_pid;
THREADENTRY32 entry;
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (snapshot == INVALID_HANDLE_VALUE)
{
dbg_printf("Unable to create toolhelp snapshot\n");
return;
}
entry.dwSize = sizeof(entry);
if (Thread32First(snapshot, &entry))
{
do
{
if (entry.th32OwnerProcessID == GetCurrentProcessId()) continue;
if (dbg_curr_process && dbg_curr_pid != entry.th32OwnerProcessID &&
cpid != dbg_curr_pid)
dbg_curr_process->process_io->close_process(dbg_curr_process, FALSE);
if (entry.th32OwnerProcessID == cpid)
{
dbg_curr_process = process;
dbg_curr_pid = cpid;
}
else if (entry.th32OwnerProcessID != dbg_curr_pid)
{
if (!dbg_attach_debuggee(entry.th32OwnerProcessID, FALSE))
{
dbg_printf("\nwarning: could not attach to %04x\n",
entry.th32OwnerProcessID);
continue;
}
dbg_curr_pid = dbg_curr_process->pid;
dbg_active_wait_for_first_exception();
}
dbg_printf("\nBacktracing for thread %04x in process %04lx (%s):\n",
entry.th32ThreadID, dbg_curr_pid,
dbg_W2A(dbg_curr_process->imageName, -1));
backtrace_tid(dbg_curr_process, entry.th32ThreadID);
}
while (Thread32Next(snapshot, &entry));
if (dbg_curr_process && cpid != dbg_curr_pid)
dbg_curr_process->process_io->close_process(dbg_curr_process, FALSE);
}
CloseHandle(snapshot);
dbg_curr_process = process;
dbg_curr_pid = cpid;
dbg_curr_thread = thread;
dbg_curr_tid = thread ? thread->tid : 0;
dbg_context = ctx;
}
