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24e60978 SC |
1 | /* Target-vector operations for controlling win32 child processes, for GDB. |
2 | Copyright 1996 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | Contributed by Cygnus Support. | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without eve nthe implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | /* by Steve Chamberlain, sac@cygnus.com */ | |
23 | ||
24 | #include "defs.h" | |
25 | #include "frame.h" /* required by inferior.h */ | |
26 | #include "inferior.h" | |
27 | #include "target.h" | |
28 | #include "wait.h" | |
29 | #include "gdbcore.h" | |
30 | #include "command.h" | |
31 | #include <signal.h> | |
32 | #include <sys/types.h> | |
33 | #include <fcntl.h> | |
34 | #include <windows.h> | |
35 | #include "buildsym.h" | |
36 | #include "gdb_string.h" | |
37 | #include "thread.h" | |
38 | #include "gdbcmd.h" | |
39 | ||
40 | #define CHECK(x) check (x, __FILE__,__LINE__) | |
41 | #define DEBUG(x) if (remote_debug) printf x | |
42 | ||
43 | ||
44 | /* Forward declaration */ | |
45 | extern struct target_ops child_ops; | |
46 | ||
47 | /* The most recently read context. Inspect ContextFlags to see what | |
48 | bits are valid. */ | |
49 | ||
50 | static CONTEXT context; | |
51 | ||
52 | /* The process and thread handles for the above context. */ | |
53 | ||
54 | static HANDLE current_process; | |
55 | static HANDLE current_thread; | |
56 | static int current_process_id; | |
57 | static int current_thread_id; | |
58 | ||
59 | /* Counts of things. */ | |
60 | static int exception_count = 0; | |
61 | static int event_count = 0; | |
62 | ||
63 | /* User options. */ | |
64 | static int new_console = 0; | |
65 | static int new_group = 0; | |
66 | ||
67 | /* This vector maps GDB's idea of a register's number into an address | |
68 | in the win32 exception context vector. | |
69 | ||
70 | It also contains the bit mask needed to load the register in question. | |
71 | ||
72 | One day we could read a reg, we could inspect the context we | |
73 | already have loaded, if it doesn't have the bit set that we need, | |
74 | we read that set of registers in using GetThreadContext. If the | |
75 | context already contains what we need, we just unpack it. Then to | |
76 | write a register, first we have to ensure that the context contains | |
77 | the other regs of the group, and then we copy the info in and set | |
78 | out bit. */ | |
79 | ||
80 | struct regmappings | |
81 | { | |
82 | char *incontext; | |
83 | int mask; | |
84 | }; | |
85 | ||
86 | static const struct regmappings | |
87 | mappings[] = | |
88 | { | |
89 | {(char *) &context.Eax, CONTEXT_INTEGER}, | |
90 | {(char *) &context.Ecx, CONTEXT_INTEGER}, | |
91 | {(char *) &context.Edx, CONTEXT_INTEGER}, | |
92 | {(char *) &context.Ebx, CONTEXT_INTEGER}, | |
93 | {(char *) &context.Esp, CONTEXT_CONTROL}, | |
94 | {(char *) &context.Ebp, CONTEXT_CONTROL}, | |
95 | {(char *) &context.Esi, CONTEXT_INTEGER}, | |
96 | {(char *) &context.Edi, CONTEXT_INTEGER}, | |
97 | {(char *) &context.Eip, CONTEXT_CONTROL}, | |
98 | {(char *) &context.EFlags, CONTEXT_CONTROL}, | |
99 | {(char *) &context.SegCs, CONTEXT_SEGMENTS}, | |
100 | {(char *) &context.SegSs, CONTEXT_SEGMENTS}, | |
101 | {(char *) &context.SegDs, CONTEXT_SEGMENTS}, | |
102 | {(char *) &context.SegEs, CONTEXT_SEGMENTS}, | |
103 | {(char *) &context.SegFs, CONTEXT_SEGMENTS}, | |
104 | {(char *) &context.SegGs, CONTEXT_SEGMENTS}, | |
105 | {&context.FloatSave.RegisterArea[0 * 10], CONTEXT_FLOATING_POINT}, | |
106 | {&context.FloatSave.RegisterArea[1 * 10], CONTEXT_FLOATING_POINT}, | |
107 | {&context.FloatSave.RegisterArea[2 * 10], CONTEXT_FLOATING_POINT}, | |
108 | {&context.FloatSave.RegisterArea[3 * 10], CONTEXT_FLOATING_POINT}, | |
109 | {&context.FloatSave.RegisterArea[4 * 10], CONTEXT_FLOATING_POINT}, | |
110 | {&context.FloatSave.RegisterArea[5 * 10], CONTEXT_FLOATING_POINT}, | |
111 | {&context.FloatSave.RegisterArea[6 * 10], CONTEXT_FLOATING_POINT}, | |
112 | {&context.FloatSave.RegisterArea[7 * 10], CONTEXT_FLOATING_POINT}, | |
113 | }; | |
114 | ||
115 | ||
116 | /* This vector maps the target's idea of an exception (extracted | |
117 | from the DEBUG_EVENT structure) to GDB's idea. */ | |
118 | ||
119 | struct xlate_exception | |
120 | { | |
121 | int them; | |
122 | enum target_signal us; | |
123 | }; | |
124 | ||
125 | ||
126 | static const struct xlate_exception | |
127 | xlate[] = | |
128 | { | |
129 | {EXCEPTION_ACCESS_VIOLATION, TARGET_SIGNAL_SEGV}, | |
130 | {EXCEPTION_BREAKPOINT, TARGET_SIGNAL_TRAP}, | |
131 | {DBG_CONTROL_C, TARGET_SIGNAL_INT}, | |
132 | {EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP}, | |
133 | {-1, -1}}; | |
134 | ||
135 | ||
136 | static void | |
137 | check (BOOL ok, const char *file, int line) | |
138 | { | |
139 | if (!ok) | |
140 | printf_filtered ("error return %s:%d was %d\n", file, line, GetLastError ()); | |
141 | } | |
142 | ||
143 | static void | |
144 | child_fetch_inferior_registers (int r) | |
145 | { | |
146 | if (r < 0) | |
147 | { | |
148 | for (r = 0; r < NUM_REGS; r++) | |
149 | child_fetch_inferior_registers (r); | |
150 | } | |
151 | else | |
152 | { | |
153 | supply_register (r, mappings[r].incontext); | |
154 | } | |
155 | } | |
156 | ||
157 | static void | |
158 | child_store_inferior_registers (int r) | |
159 | { | |
160 | if (r < 0) | |
161 | { | |
162 | for (r = 0; r < NUM_REGS; r++) | |
163 | child_store_inferior_registers (r); | |
164 | } | |
165 | else | |
166 | { | |
167 | read_register_gen (r, mappings[r].incontext); | |
168 | } | |
169 | } | |
170 | ||
171 | ||
172 | /* Wait for child to do something. Return pid of child, or -1 in case | |
173 | of error; store status through argument pointer OURSTATUS. */ | |
174 | ||
175 | ||
176 | static void | |
177 | handle_load_dll (DEBUG_EVENT * event) | |
178 | { | |
179 | DWORD dll_name_ptr; | |
180 | DWORD done; | |
181 | ||
182 | ReadProcessMemory (current_process, | |
183 | (DWORD) event->u.LoadDll.lpImageName, | |
184 | (char *) &dll_name_ptr, | |
185 | sizeof (dll_name_ptr), &done); | |
186 | ||
187 | /* See if we could read the address of a string, and that the | |
188 | address isn't null. */ | |
189 | ||
190 | if (done == sizeof (dll_name_ptr) && dll_name_ptr) | |
191 | { | |
192 | char *dll_name; | |
193 | int size = event->u.LoadDll.fUnicode ? sizeof (WCHAR) : sizeof (char); | |
194 | int len = 0; | |
195 | char b[2]; | |
196 | do | |
197 | { | |
198 | ReadProcessMemory (current_process, | |
199 | dll_name_ptr + len * size, | |
200 | &b, | |
201 | size, | |
202 | &done); | |
203 | len++; | |
204 | } | |
205 | while ((b[0] != 0 || b[size - 1] != 0) && done == size); | |
206 | ||
207 | ||
208 | dll_name = alloca (len); | |
209 | ||
210 | if (event->u.LoadDll.fUnicode) | |
211 | { | |
212 | WCHAR *unicode_dll_name = (WCHAR *) alloca (len * sizeof (WCHAR)); | |
213 | ReadProcessMemory (current_process, | |
214 | dll_name_ptr, | |
215 | unicode_dll_name, | |
216 | len * sizeof (WCHAR), | |
217 | &done); | |
218 | ||
219 | WideCharToMultiByte (CP_ACP, 0, | |
220 | unicode_dll_name, len, | |
221 | dll_name, len, 0, 0); | |
222 | } | |
223 | else | |
224 | { | |
225 | ReadProcessMemory (current_process, | |
226 | dll_name_ptr, | |
227 | dll_name, | |
228 | len, | |
229 | &done); | |
230 | } | |
231 | ||
232 | /* FIXME!! It would be nice to define one symbol which pointed to the | |
233 | front of the dll if we can't find any symbols. */ | |
234 | ||
235 | context.ContextFlags = CONTEXT_FULL; | |
236 | GetThreadContext (current_thread, &context); | |
237 | ||
238 | symbol_file_add (dll_name, 0, (int) event->u.LoadDll.lpBaseOfDll, 0, 0, 0); | |
239 | ||
240 | /* We strip off the path of the dll for tidiness. */ | |
241 | if (strrchr (dll_name, '\\')) | |
242 | dll_name = strrchr (dll_name, '\\') + 1; | |
243 | printf_unfiltered ("%x:%s\n", event->u.LoadDll.lpBaseOfDll, dll_name); | |
244 | } | |
245 | } | |
246 | ||
247 | ||
248 | static void | |
249 | handle_exception (DEBUG_EVENT * event, struct target_waitstatus *ourstatus) | |
250 | { | |
251 | int i; | |
252 | int done = 0; | |
253 | ourstatus->kind = TARGET_WAITKIND_STOPPED; | |
254 | ||
255 | for (i = 0; !done && xlate[i].us > 0; i++) | |
256 | { | |
257 | if (xlate[i].them == event->u.Exception.ExceptionRecord.ExceptionCode) | |
258 | { | |
259 | ourstatus->value.sig = xlate[i].us; | |
260 | done = 1; | |
261 | break; | |
262 | } | |
263 | } | |
264 | ||
265 | if (!done) | |
266 | { | |
267 | printf_unfiltered ("Want to know about exception code %08x\n", | |
268 | event->u.Exception.ExceptionRecord.ExceptionCode); | |
269 | ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN; | |
270 | } | |
271 | context.ContextFlags = CONTEXT_FULL; | |
272 | GetThreadContext (current_thread, &context); | |
273 | exception_count++; | |
274 | } | |
275 | ||
276 | static int | |
277 | child_wait (int pid, struct target_waitstatus *ourstatus) | |
278 | { | |
279 | /* We loop when we get a non-standard exception rather than return | |
280 | with a SPURIOUS because resume can try and step or modify things, | |
281 | which needs a current_thread. But some of these exceptions mark | |
282 | the birth or death of threads, which mean that the current thread | |
283 | isn't necessarily what you think it is. */ | |
284 | ||
285 | while (1) | |
286 | { | |
287 | DEBUG_EVENT event; | |
288 | BOOL t = WaitForDebugEvent (&event, INFINITE); | |
289 | ||
290 | DEBUG (("%d = WaitForDebugEvent() code=%d pid=%d tid=%d)\n", | |
291 | t, | |
292 | event.dwDebugEventCode, | |
293 | event.dwProcessId, | |
294 | event.dwThreadId)); | |
295 | ||
296 | event_count++; | |
297 | ||
298 | current_thread_id = event.dwThreadId; | |
299 | current_process_id = event.dwProcessId; | |
300 | ||
301 | switch (event.dwDebugEventCode) | |
302 | { | |
303 | case CREATE_THREAD_DEBUG_EVENT: | |
304 | case EXIT_THREAD_DEBUG_EVENT: | |
305 | case CREATE_PROCESS_DEBUG_EVENT: | |
306 | break; | |
307 | ||
308 | case EXIT_PROCESS_DEBUG_EVENT: | |
309 | ourstatus->kind = TARGET_WAITKIND_EXITED; | |
310 | ourstatus->value.integer = event.u.ExitProcess.dwExitCode; | |
311 | CloseHandle (current_process); | |
312 | CloseHandle (current_thread); | |
313 | return current_process_id; | |
314 | break; | |
315 | ||
316 | case LOAD_DLL_DEBUG_EVENT: | |
317 | handle_load_dll (&event); | |
318 | break; | |
319 | case EXCEPTION_DEBUG_EVENT: | |
320 | handle_exception (&event, ourstatus); | |
321 | return current_process_id; | |
322 | default: | |
323 | printf_unfiltered ("waitfor it %d %d %d %d\n", t, | |
324 | event.dwDebugEventCode, | |
325 | event.dwProcessId, | |
326 | event.dwThreadId); | |
327 | break; | |
328 | } | |
329 | CHECK (ContinueDebugEvent (current_process_id, | |
330 | current_thread_id, | |
331 | DBG_CONTINUE)); | |
332 | } | |
333 | } | |
334 | ||
335 | ||
336 | ||
337 | ||
338 | /* Attach to process PID, then initialize for debugging it. */ | |
339 | ||
340 | static void | |
341 | child_attach (args, from_tty) | |
342 | char *args; | |
343 | int from_tty; | |
344 | { | |
345 | BOOL ok; | |
346 | ||
347 | if (!args) | |
348 | error_no_arg ("process-id to attach"); | |
349 | ||
350 | current_process_id = strtoul (args, 0, 0); | |
351 | ||
352 | ok = DebugActiveProcess (current_process_id); | |
353 | ||
354 | if (!ok) | |
355 | error ("Can't attach to process."); | |
356 | ||
357 | ||
358 | exception_count = 0; | |
359 | event_count = 0; | |
360 | ||
361 | if (from_tty) | |
362 | { | |
363 | char *exec_file = (char *) get_exec_file (0); | |
364 | ||
365 | if (exec_file) | |
366 | printf_unfiltered ("Attaching to program `%s', %s\n", exec_file, | |
367 | target_pid_to_str (current_process_id)); | |
368 | else | |
369 | printf_unfiltered ("Attaching to %s\n", | |
370 | target_pid_to_str (current_process_id)); | |
371 | ||
372 | gdb_flush (gdb_stdout); | |
373 | } | |
374 | ||
375 | inferior_pid = current_process_id; | |
376 | push_target (&child_ops); | |
377 | } | |
378 | ||
379 | ||
380 | static void | |
381 | child_detach (args, from_tty) | |
382 | char *args; | |
383 | int from_tty; | |
384 | { | |
385 | if (from_tty) | |
386 | { | |
387 | char *exec_file = get_exec_file (0); | |
388 | if (exec_file == 0) | |
389 | exec_file = ""; | |
390 | printf_unfiltered ("Detaching from program: %s %s\n", exec_file, | |
391 | target_pid_to_str (inferior_pid)); | |
392 | gdb_flush (gdb_stdout); | |
393 | } | |
394 | inferior_pid = 0; | |
395 | unpush_target (&child_ops); | |
396 | } | |
397 | ||
398 | ||
399 | /* Print status information about what we're accessing. */ | |
400 | ||
401 | static void | |
402 | child_files_info (ignore) | |
403 | struct target_ops *ignore; | |
404 | { | |
405 | printf_unfiltered ("\tUsing the running image of %s %s.\n", | |
406 | attach_flag ? "attached" : "child", target_pid_to_str (inferior_pid)); | |
407 | } | |
408 | ||
409 | /* ARGSUSED */ | |
410 | static void | |
411 | child_open (arg, from_tty) | |
412 | char *arg; | |
413 | int from_tty; | |
414 | { | |
415 | error ("Use the \"run\" command to start a Unix child process."); | |
416 | } | |
417 | ||
418 | /* Stub function which causes the inferior that runs it, to be ptrace-able | |
419 | by its parent process. */ | |
420 | ||
421 | ||
422 | /* Start an inferior Unix child process and sets inferior_pid to its pid. | |
423 | EXEC_FILE is the file to run. | |
424 | ALLARGS is a string containing the arguments to the program. | |
425 | ENV is the environment vector to pass. Errors reported with error(). */ | |
426 | ||
427 | ||
428 | static void | |
429 | child_create_inferior (exec_file, allargs, env) | |
430 | char *exec_file; | |
431 | char *allargs; | |
432 | char **env; | |
433 | { | |
434 | char *real_path; | |
435 | STARTUPINFO si; | |
436 | PROCESS_INFORMATION pi; | |
437 | struct target_waitstatus dummy; | |
438 | BOOL ret; | |
439 | DWORD flags; | |
440 | ||
441 | if (!exec_file) | |
442 | { | |
443 | error ("No executable specified, use `target exec'.\n"); | |
444 | } | |
445 | ||
446 | memset (&si, 0, sizeof (si)); | |
447 | si.cb = sizeof (si); | |
448 | ||
449 | /* A realpath is always the same size, or a bit shorter than a nice path. */ | |
450 | real_path = alloca (strlen (exec_file) + 1); | |
451 | path_to_real_path (exec_file, real_path); | |
452 | ||
453 | flags = DEBUG_ONLY_THIS_PROCESS | DEBUG_PROCESS; | |
454 | ||
455 | if (new_group) | |
456 | flags |= CREATE_NEW_PROCESS_GROUP; | |
457 | ||
458 | if (new_console) | |
459 | flags |= CREATE_NEW_CONSOLE; | |
460 | ||
461 | ret = CreateProcess (real_path, | |
462 | allargs, | |
463 | NULL, /* Security */ | |
464 | NULL, /* thread */ | |
465 | TRUE, /* inherit handles */ | |
466 | flags, /* start flags */ | |
467 | env, | |
468 | NULL, /* current directory */ | |
469 | &si, | |
470 | &pi); | |
471 | if (!ret) | |
472 | error ("Error creating process %s\n", exec_file); | |
473 | ||
474 | exception_count = 0; | |
475 | event_count = 0; | |
476 | ||
477 | inferior_pid = pi.dwProcessId; | |
478 | current_process = pi.hProcess; | |
479 | current_thread = pi.hThread; | |
480 | current_process_id = pi.dwProcessId; | |
481 | current_thread_id = pi.dwThreadId; | |
482 | push_target (&child_ops); | |
483 | init_thread_list (); | |
484 | init_wait_for_inferior (); | |
485 | clear_proceed_status (); | |
486 | target_terminal_init (); | |
487 | target_terminal_inferior (); | |
488 | ||
489 | /* Ignore the first trap */ | |
490 | child_wait (inferior_pid, &dummy); | |
491 | ||
492 | proceed ((CORE_ADDR) - 1, TARGET_SIGNAL_0, 0); | |
493 | } | |
494 | ||
495 | static void | |
496 | child_mourn_inferior () | |
497 | { | |
498 | unpush_target (&child_ops); | |
499 | generic_mourn_inferior (); | |
500 | } | |
501 | ||
502 | ||
503 | /* Send a SIGINT to the process group. This acts just like the user typed a | |
504 | ^C on the controlling terminal. */ | |
505 | ||
506 | void | |
507 | child_stop () | |
508 | { | |
509 | CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, 0)); | |
510 | } | |
511 | ||
512 | int | |
513 | child_xfer_memory (CORE_ADDR memaddr, char *our, int len, int write, struct target_ops *target) | |
514 | { | |
515 | DWORD done; | |
516 | if (write) | |
517 | { | |
518 | WriteProcessMemory (current_process, memaddr, our, len, &done); | |
519 | FlushInstructionCache (current_process, memaddr, len); | |
520 | } | |
521 | else | |
522 | { | |
523 | ReadProcessMemory (current_process, memaddr, our, len, &done); | |
524 | } | |
525 | return done; | |
526 | } | |
527 | ||
528 | void | |
529 | child_kill_inferior (void) | |
530 | { | |
531 | CHECK (TerminateProcess (current_process, 0)); | |
532 | CHECK (CloseHandle (current_process)); | |
533 | CHECK (CloseHandle (current_thread)); | |
534 | } | |
535 | ||
536 | void | |
537 | child_resume (int pid, int step, enum target_signal signal) | |
538 | { | |
539 | DEBUG (("child_resume (%d, %d, %d);\n", pid, step, signal)); | |
540 | ||
541 | if (step) | |
542 | { | |
543 | /* Single step by setting t bit */ | |
544 | child_fetch_inferior_registers (PS_REGNUM); | |
545 | context.EFlags |= FLAG_TRACE_BIT; | |
546 | } | |
547 | ||
548 | if (context.ContextFlags) | |
549 | { | |
550 | CHECK (SetThreadContext (current_thread, &context)); | |
551 | context.ContextFlags = 0; | |
552 | } | |
553 | ||
554 | if (signal) | |
555 | { | |
556 | fprintf_unfiltered (gdb_stderr, "Can't send signals to the child.\n"); | |
557 | } | |
558 | ||
559 | CHECK (ContinueDebugEvent (current_process_id, | |
560 | current_thread_id, | |
561 | DBG_CONTINUE)); | |
562 | } | |
563 | ||
564 | static void | |
565 | child_prepare_to_store () | |
566 | { | |
567 | /* Do nothing, since we can store individual regs */ | |
568 | } | |
569 | ||
570 | static int | |
571 | child_can_run () | |
572 | { | |
573 | return 1; | |
574 | } | |
575 | ||
576 | static void | |
577 | child_close () | |
578 | { | |
579 | ||
580 | } | |
581 | struct target_ops child_ops = | |
582 | { | |
583 | "child", /* to_shortname */ | |
584 | "Win32 child process", /* to_longname */ | |
585 | "Win32 child process (started by the \"run\" command).", /* to_doc */ | |
586 | child_open, /* to_open */ | |
587 | child_close, /* to_close */ | |
588 | child_attach, /* to_attach */ | |
589 | child_detach, /* to_detach */ | |
590 | child_resume, /* to_resume */ | |
591 | child_wait, /* to_wait */ | |
592 | child_fetch_inferior_registers,/* to_fetch_registers */ | |
593 | child_store_inferior_registers,/* to_store_registers */ | |
594 | child_prepare_to_store, /* to_child_prepare_to_store */ | |
595 | child_xfer_memory, /* to_xfer_memory */ | |
596 | child_files_info, /* to_files_info */ | |
597 | memory_insert_breakpoint, /* to_insert_breakpoint */ | |
598 | memory_remove_breakpoint, /* to_remove_breakpoint */ | |
599 | terminal_init_inferior, /* to_terminal_init */ | |
600 | terminal_inferior, /* to_terminal_inferior */ | |
601 | terminal_ours_for_output, /* to_terminal_ours_for_output */ | |
602 | terminal_ours, /* to_terminal_ours */ | |
603 | child_terminal_info, /* to_terminal_info */ | |
604 | child_kill_inferior, /* to_kill */ | |
605 | 0, /* to_load */ | |
606 | 0, /* to_lookup_symbol */ | |
607 | child_create_inferior, /* to_create_inferior */ | |
608 | child_mourn_inferior, /* to_mourn_inferior */ | |
609 | child_can_run, /* to_can_run */ | |
610 | 0, /* to_notice_signals */ | |
611 | 0, /* to_thread_alive */ | |
612 | child_stop, /* to_stop */ | |
613 | process_stratum, /* to_stratum */ | |
614 | 0, /* to_next */ | |
615 | 1, /* to_has_all_memory */ | |
616 | 1, /* to_has_memory */ | |
617 | 1, /* to_has_stack */ | |
618 | 1, /* to_has_registers */ | |
619 | 1, /* to_has_execution */ | |
620 | 0, /* to_sections */ | |
621 | 0, /* to_sections_end */ | |
622 | OPS_MAGIC /* to_magic */ | |
623 | }; | |
624 | ||
625 | void | |
626 | _initialize_inftarg () | |
627 | { | |
628 | add_show_from_set | |
629 | (add_set_cmd ("new-console", class_support, var_boolean, | |
630 | (char *) &new_console, | |
631 | "Set creation of new console when creating child process.", | |
632 | &setlist), | |
633 | &showlist); | |
634 | ||
635 | add_show_from_set | |
636 | (add_set_cmd ("new-group", class_support, var_boolean, | |
637 | (char *) &new_group, | |
638 | "Set creation of new group when creating child process.", | |
639 | &setlist), | |
640 | &showlist); | |
641 | ||
642 | add_target (&child_ops); | |
643 | } |