Commit | Line | Data |
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c906108c SS |
1 | /* Variables that describe the inferior process running under GDB: |
2 | Where it is, why it stopped, and how to step it. | |
1bac305b | 3 | |
0b302171 JB |
4 | Copyright (C) 1986, 1988-1996, 1998-2001, 2003-2012 Free Software |
5 | Foundation, Inc. | |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #if !defined (INFERIOR_H) | |
23 | #define INFERIOR_H 1 | |
24 | ||
da3331ec AC |
25 | struct target_waitstatus; |
26 | struct frame_info; | |
27 | struct ui_file; | |
28 | struct type; | |
67a2b77e | 29 | struct gdbarch; |
72cec141 | 30 | struct regcache; |
b77209e0 | 31 | struct ui_out; |
7e1789f5 | 32 | struct terminal_info; |
67a2b77e | 33 | |
d26e3629 KY |
34 | #include "ptid.h" |
35 | ||
c906108c SS |
36 | /* For bpstat. */ |
37 | #include "breakpoint.h" | |
38 | ||
39 | /* For enum target_signal. */ | |
40 | #include "target.h" | |
41 | ||
aa0cd9c1 AC |
42 | /* For struct frame_id. */ |
43 | #include "frame.h" | |
44 | ||
6c95b8df PA |
45 | #include "progspace.h" |
46 | ||
16c381f0 JK |
47 | struct infcall_suspend_state; |
48 | struct infcall_control_state; | |
7a292a7a | 49 | |
16c381f0 JK |
50 | extern struct infcall_suspend_state *save_infcall_suspend_state (void); |
51 | extern struct infcall_control_state *save_infcall_control_state (void); | |
c906108c | 52 | |
16c381f0 JK |
53 | extern void restore_infcall_suspend_state (struct infcall_suspend_state *); |
54 | extern void restore_infcall_control_state (struct infcall_control_state *); | |
b89667eb | 55 | |
16c381f0 JK |
56 | extern struct cleanup *make_cleanup_restore_infcall_suspend_state |
57 | (struct infcall_suspend_state *); | |
58 | extern struct cleanup *make_cleanup_restore_infcall_control_state | |
59 | (struct infcall_control_state *); | |
b89667eb | 60 | |
16c381f0 JK |
61 | extern void discard_infcall_suspend_state (struct infcall_suspend_state *); |
62 | extern void discard_infcall_control_state (struct infcall_control_state *); | |
7a292a7a | 63 | |
16c381f0 JK |
64 | extern struct regcache * |
65 | get_infcall_suspend_state_regcache (struct infcall_suspend_state *); | |
b89667eb | 66 | |
0723dbf5 PA |
67 | /* Returns true if PTID matches filter FILTER. FILTER can be the wild |
68 | card MINUS_ONE_PTID (all ptid match it); can be a ptid representing | |
69 | a process (ptid_is_pid returns true), in which case, all lwps and | |
70 | threads of that given process match, lwps and threads of other | |
71 | processes do not; or, it can represent a specific thread, in which | |
72 | case, only that thread will match true. PTID must represent a | |
73 | specific LWP or THREAD, it can never be a wild card. */ | |
74 | ||
75 | extern int ptid_match (ptid_t ptid, ptid_t filter); | |
76 | ||
ce696e05 KB |
77 | /* Save value of inferior_ptid so that it may be restored by |
78 | a later call to do_cleanups(). Returns the struct cleanup | |
79 | pointer needed for later doing the cleanup. */ | |
80 | extern struct cleanup * save_inferior_ptid (void); | |
81 | ||
a14ed312 | 82 | extern void set_sigint_trap (void); |
c906108c | 83 | |
a14ed312 | 84 | extern void clear_sigint_trap (void); |
c906108c | 85 | |
3cb3b8df | 86 | /* Set/get file name for default use for standard in/out in the inferior. */ |
c906108c | 87 | |
3cb3b8df BR |
88 | extern void set_inferior_io_terminal (const char *terminal_name); |
89 | extern const char *get_inferior_io_terminal (void); | |
c906108c | 90 | |
39f77062 | 91 | /* Collected pid, tid, etc. of the debugged inferior. When there's |
1777feb0 | 92 | no inferior, PIDGET (inferior_ptid) will be 0. */ |
c906108c | 93 | |
39f77062 | 94 | extern ptid_t inferior_ptid; |
c906108c | 95 | |
43ff13b4 JM |
96 | /* Are we simulating synchronous execution? This is used in async gdb |
97 | to implement the 'run', 'continue' etc commands, which will not | |
1777feb0 | 98 | redisplay the prompt until the execution is actually over. */ |
43ff13b4 JM |
99 | extern int sync_execution; |
100 | ||
1777feb0 | 101 | /* Inferior environment. */ |
c906108c | 102 | |
a14ed312 | 103 | extern void clear_proceed_status (void); |
c906108c | 104 | |
a14ed312 | 105 | extern void proceed (CORE_ADDR, enum target_signal, int); |
c906108c | 106 | |
d4db2f36 PA |
107 | extern int sched_multi; |
108 | ||
5fbbeb29 CF |
109 | /* When set, stop the 'step' command if we enter a function which has |
110 | no line number information. The normal behavior is that we step | |
111 | over such function. */ | |
112 | extern int step_stop_if_no_debug; | |
113 | ||
ad52ddc6 PA |
114 | /* If set, the inferior should be controlled in non-stop mode. In |
115 | this mode, each thread is controlled independently. Execution | |
b021a221 | 116 | commands apply only to the selected thread by default, and stop |
ad52ddc6 PA |
117 | events stop only the thread that had the event -- the other threads |
118 | are kept running freely. */ | |
119 | extern int non_stop; | |
120 | ||
6c95b8df PA |
121 | /* If set (default), when following a fork, GDB will detach from one |
122 | the fork branches, child or parent. Exactly which branch is | |
123 | detached depends on 'set follow-fork-mode' setting. */ | |
124 | extern int detach_fork; | |
125 | ||
03583c20 UW |
126 | /* When set (default), the target should attempt to disable the operating |
127 | system's address space randomization feature when starting an inferior. */ | |
128 | extern int disable_randomization; | |
129 | ||
a14ed312 | 130 | extern void generic_mourn_inferior (void); |
c906108c | 131 | |
a790ad35 SC |
132 | extern void terminal_save_ours (void); |
133 | ||
a14ed312 | 134 | extern void terminal_ours (void); |
c906108c | 135 | |
9898f801 UW |
136 | extern CORE_ADDR unsigned_pointer_to_address (struct gdbarch *gdbarch, |
137 | struct type *type, | |
b60c417a | 138 | const gdb_byte *buf); |
9898f801 UW |
139 | extern void unsigned_address_to_pointer (struct gdbarch *gdbarch, |
140 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 141 | CORE_ADDR addr); |
9898f801 UW |
142 | extern CORE_ADDR signed_pointer_to_address (struct gdbarch *gdbarch, |
143 | struct type *type, | |
b60c417a | 144 | const gdb_byte *buf); |
9898f801 UW |
145 | extern void address_to_signed_pointer (struct gdbarch *gdbarch, |
146 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 147 | CORE_ADDR addr); |
4478b372 | 148 | |
e4c8541f | 149 | extern void wait_for_inferior (void); |
c906108c | 150 | |
24291992 PA |
151 | extern void prepare_for_detach (void); |
152 | ||
a14ed312 | 153 | extern void fetch_inferior_event (void *); |
43ff13b4 | 154 | |
a14ed312 | 155 | extern void init_wait_for_inferior (void); |
c906108c | 156 | |
a14ed312 | 157 | extern void reopen_exec_file (void); |
c906108c SS |
158 | |
159 | /* The `resume' routine should only be called in special circumstances. | |
160 | Normally, use `proceed', which handles a lot of bookkeeping. */ | |
161 | ||
a14ed312 | 162 | extern void resume (int, enum target_signal); |
c906108c | 163 | |
09cee04b PA |
164 | extern ptid_t user_visible_resume_ptid (int step); |
165 | ||
9da8c2a0 PA |
166 | extern void insert_step_resume_breakpoint_at_sal (struct gdbarch *, |
167 | struct symtab_and_line , | |
168 | struct frame_id); | |
169 | ||
c906108c SS |
170 | /* From misc files */ |
171 | ||
0ab7a791 AC |
172 | extern void default_print_registers_info (struct gdbarch *gdbarch, |
173 | struct ui_file *file, | |
174 | struct frame_info *frame, | |
175 | int regnum, int all); | |
666e11c5 | 176 | |
a14ed312 | 177 | extern void child_terminal_info (char *, int); |
c906108c | 178 | |
a14ed312 | 179 | extern void term_info (char *, int); |
c906108c | 180 | |
a14ed312 | 181 | extern void terminal_ours_for_output (void); |
c906108c | 182 | |
a14ed312 | 183 | extern void terminal_inferior (void); |
c906108c | 184 | |
a14ed312 | 185 | extern void terminal_init_inferior (void); |
c906108c | 186 | |
a14ed312 | 187 | extern void terminal_init_inferior_with_pgrp (int pgrp); |
c906108c | 188 | |
c906108c SS |
189 | /* From fork-child.c */ |
190 | ||
136d6dae VP |
191 | extern int fork_inferior (char *, char *, char **, |
192 | void (*)(void), | |
e69860f1 TG |
193 | void (*)(int), void (*)(void), char *, |
194 | void (*)(const char *, | |
195 | char * const *, char * const *)); | |
c906108c SS |
196 | |
197 | ||
a14ed312 | 198 | extern void startup_inferior (int); |
c906108c | 199 | |
bd57a748 | 200 | extern char *construct_inferior_arguments (int, char **); |
552c04a7 | 201 | |
c906108c SS |
202 | /* From infrun.c */ |
203 | ||
628fe4e4 JK |
204 | extern int debug_infrun; |
205 | ||
206 | extern int stop_on_solib_events; | |
207 | ||
8621d6a9 | 208 | extern void start_remote (int from_tty); |
c906108c | 209 | |
a14ed312 | 210 | extern void normal_stop (void); |
c906108c | 211 | |
a14ed312 | 212 | extern int signal_stop_state (int); |
c906108c | 213 | |
a14ed312 | 214 | extern int signal_print_state (int); |
c906108c | 215 | |
a14ed312 | 216 | extern int signal_pass_state (int); |
c906108c | 217 | |
a14ed312 | 218 | extern int signal_stop_update (int, int); |
d4f3574e | 219 | |
a14ed312 | 220 | extern int signal_print_update (int, int); |
d4f3574e | 221 | |
a14ed312 | 222 | extern int signal_pass_update (int, int); |
d4f3574e | 223 | |
39f77062 KB |
224 | extern void get_last_target_status(ptid_t *ptid, |
225 | struct target_waitstatus *status); | |
e02bc4cc | 226 | |
6604731b DJ |
227 | extern void follow_inferior_reset_breakpoints (void); |
228 | ||
94cc34af PA |
229 | /* Throw an error indicating the current thread is running. */ |
230 | extern void error_is_running (void); | |
231 | ||
232 | /* Calls error_is_running if the current thread is running. */ | |
233 | extern void ensure_not_running (void); | |
234 | ||
edb3359d DJ |
235 | void set_step_info (struct frame_info *frame, struct symtab_and_line sal); |
236 | ||
c906108c SS |
237 | /* From infcmd.c */ |
238 | ||
281b533b DJ |
239 | extern void post_create_inferior (struct target_ops *, int); |
240 | ||
a14ed312 | 241 | extern void attach_command (char *, int); |
c906108c | 242 | |
a250df2e | 243 | extern char *get_inferior_args (void); |
07091751 | 244 | |
3f81c18a | 245 | extern void set_inferior_args (char *); |
07091751 | 246 | |
552c04a7 TT |
247 | extern void set_inferior_args_vector (int, char **); |
248 | ||
36dc181b EZ |
249 | extern void registers_info (char *, int); |
250 | ||
251 | extern void nexti_command (char *, int); | |
252 | ||
253 | extern void stepi_command (char *, int); | |
254 | ||
77ebaa5a VP |
255 | extern void continue_1 (int all_threads); |
256 | ||
36dc181b EZ |
257 | extern void continue_command (char *, int); |
258 | ||
259 | extern void interrupt_target_command (char *args, int from_tty); | |
260 | ||
77ebaa5a VP |
261 | extern void interrupt_target_1 (int all_threads); |
262 | ||
186c406b TT |
263 | extern void delete_longjmp_breakpoint_cleanup (void *arg); |
264 | ||
6418d433 VP |
265 | extern void detach_command (char *, int); |
266 | ||
1941c569 PA |
267 | extern void notice_new_inferior (ptid_t, int, int); |
268 | ||
6a3a010b | 269 | extern struct value *get_return_value (struct value *function, |
cc72b2a2 KP |
270 | struct type *value_type); |
271 | ||
c906108c SS |
272 | /* Address at which inferior stopped. */ |
273 | ||
274 | extern CORE_ADDR stop_pc; | |
275 | ||
c906108c SS |
276 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
277 | ||
aa7d318d | 278 | extern enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
279 | |
280 | /* Nonzero if program stopped due to a random (unexpected) signal in | |
281 | inferior process. */ | |
282 | ||
283 | extern int stopped_by_random_signal; | |
284 | ||
a49f981f MS |
285 | /* STEP_OVER_ALL means step over all subroutine calls. |
286 | STEP_OVER_UNDEBUGGABLE means step over calls to undebuggable functions. | |
287 | STEP_OVER_NONE means don't step over any subroutine calls. */ | |
c906108c | 288 | |
5fbbeb29 CF |
289 | enum step_over_calls_kind |
290 | { | |
291 | STEP_OVER_NONE, | |
292 | STEP_OVER_ALL, | |
a4acd088 CF |
293 | STEP_OVER_UNDEBUGGABLE |
294 | }; | |
295 | ||
b0f4b84b DJ |
296 | /* Anything but NO_STOP_QUIETLY means we expect a trap and the caller |
297 | will handle it themselves. STOP_QUIETLY is used when running in | |
298 | the shell before the child program has been exec'd and when running | |
299 | through shared library loading. STOP_QUIETLY_REMOTE is used when | |
300 | setting up a remote connection; it is like STOP_QUIETLY_NO_SIGSTOP | |
301 | except that there is no need to hide a signal. */ | |
c54cfec8 | 302 | |
1777feb0 | 303 | /* It is also used after attach, due to attaching to a process. This |
c54cfec8 EZ |
304 | is a bit trickier. When doing an attach, the kernel stops the |
305 | debuggee with a SIGSTOP. On newer GNU/Linux kernels (>= 2.5.61) | |
1777feb0 | 306 | the handling of SIGSTOP for a ptraced process has changed. Earlier |
c54cfec8 EZ |
307 | versions of the kernel would ignore these SIGSTOPs, while now |
308 | SIGSTOP is treated like any other signal, i.e. it is not muffled. | |
309 | ||
310 | If the gdb user does a 'continue' after the 'attach', gdb passes | |
311 | the global variable stop_signal (which stores the signal from the | |
312 | attach, SIGSTOP) to the ptrace(PTRACE_CONT,...) call. This is | |
313 | problematic, because the kernel doesn't ignore such SIGSTOP | |
1777feb0 | 314 | now. I.e. it is reported back to gdb, which in turn presents it |
c54cfec8 EZ |
315 | back to the user. |
316 | ||
317 | To avoid the problem, we use STOP_QUIETLY_NO_SIGSTOP, which allows | |
318 | gdb to clear the value of stop_signal after the attach, so that it | |
319 | is not passed back down to the kernel. */ | |
320 | ||
321 | enum stop_kind | |
322 | { | |
323 | NO_STOP_QUIETLY = 0, | |
324 | STOP_QUIETLY, | |
b0f4b84b | 325 | STOP_QUIETLY_REMOTE, |
c54cfec8 EZ |
326 | STOP_QUIETLY_NO_SIGSTOP |
327 | }; | |
c906108c | 328 | |
b2175913 MS |
329 | /* Reverse execution. */ |
330 | enum exec_direction_kind | |
331 | { | |
332 | EXEC_FORWARD, | |
d8b34453 | 333 | EXEC_REVERSE |
b2175913 MS |
334 | }; |
335 | ||
32231432 PA |
336 | /* The current execution direction. This should only be set to enum |
337 | exec_direction_kind values. It is only an int to make it | |
338 | compatible with make_cleanup_restore_integer. */ | |
339 | extern int execution_direction; | |
b2175913 | 340 | |
642fd101 DE |
341 | /* Save register contents here when executing a "finish" command or are |
342 | about to pop a stack dummy frame, if-and-only-if proceed_to_finish is set. | |
c906108c SS |
343 | Thus this contains the return value from the called function (assuming |
344 | values are returned in a register). */ | |
345 | ||
72cec141 | 346 | extern struct regcache *stop_registers; |
c906108c | 347 | |
237fc4c9 PA |
348 | /* True if we are debugging displaced stepping. */ |
349 | extern int debug_displaced; | |
350 | ||
351 | /* Dump LEN bytes at BUF in hex to FILE, followed by a newline. */ | |
352 | void displaced_step_dump_bytes (struct ui_file *file, | |
353 | const gdb_byte *buf, size_t len); | |
354 | ||
9a1edae6 | 355 | struct displaced_step_closure *get_displaced_step_closure_by_addr (CORE_ADDR addr); |
c906108c | 356 | \f |
faaf634c | 357 | /* Possible values for gdbarch_call_dummy_location. */ |
c906108c | 358 | #define ON_STACK 1 |
c906108c SS |
359 | #define AT_ENTRY_POINT 4 |
360 | ||
c906108c SS |
361 | /* If STARTUP_WITH_SHELL is set, GDB's "run" |
362 | will attempts to start up the debugee under a shell. | |
1777feb0 | 363 | This is in order for argument-expansion to occur. E.g., |
c906108c SS |
364 | (gdb) run * |
365 | The "*" gets expanded by the shell into a list of files. | |
366 | While this is a nice feature, it turns out to interact badly | |
367 | with some of the catch-fork/catch-exec features we have added. | |
368 | In particular, if the shell does any fork/exec's before | |
369 | the exec of the target program, that can confuse GDB. | |
370 | To disable this feature, set STARTUP_WITH_SHELL to 0. | |
371 | To enable this feature, set STARTUP_WITH_SHELL to 1. | |
372 | The catch-exec traps expected during start-up will | |
373 | be 1 if target is not started up with a shell, 2 if it is. | |
374 | - RT | |
375 | If you disable this, you need to decrement | |
1777feb0 | 376 | START_INFERIOR_TRAPS_EXPECTED in tm.h. */ |
c906108c SS |
377 | #define STARTUP_WITH_SHELL 1 |
378 | #if !defined(START_INFERIOR_TRAPS_EXPECTED) | |
379 | #define START_INFERIOR_TRAPS_EXPECTED 2 | |
380 | #endif | |
b77209e0 PA |
381 | |
382 | struct private_inferior; | |
383 | ||
16c381f0 JK |
384 | /* Inferior process specific part of `struct infcall_control_state'. |
385 | ||
386 | Inferior thread counterpart is `struct thread_control_state'. */ | |
387 | ||
388 | struct inferior_control_state | |
389 | { | |
390 | /* See the definition of stop_kind above. */ | |
391 | enum stop_kind stop_soon; | |
392 | }; | |
393 | ||
394 | /* Inferior process specific part of `struct infcall_suspend_state'. | |
395 | ||
396 | Inferior thread counterpart is `struct thread_suspend_state'. */ | |
397 | ||
398 | struct inferior_suspend_state | |
399 | { | |
400 | }; | |
401 | ||
b77209e0 PA |
402 | /* GDB represents the state of each program execution with an object |
403 | called an inferior. An inferior typically corresponds to a process | |
404 | but is more general and applies also to targets that do not have a | |
405 | notion of processes. Each run of an executable creates a new | |
406 | inferior, as does each attachment to an existing process. | |
407 | Inferiors have unique internal identifiers that are different from | |
408 | target process ids. Each inferior may in turn have multiple | |
409 | threads running in it. */ | |
410 | ||
411 | struct inferior | |
412 | { | |
413 | /* Pointer to next inferior in singly-linked list of inferiors. */ | |
414 | struct inferior *next; | |
415 | ||
416 | /* Convenient handle (GDB inferior id). Unique across all | |
417 | inferiors. */ | |
418 | int num; | |
419 | ||
420 | /* Actual target inferior id, usually, a process id. This matches | |
421 | the ptid_t.pid member of threads of this inferior. */ | |
422 | int pid; | |
e714e1bf UW |
423 | /* True if the PID was actually faked by GDB. */ |
424 | int fake_pid_p; | |
b77209e0 | 425 | |
16c381f0 JK |
426 | /* State of GDB control of inferior process execution. |
427 | See `struct inferior_control_state'. */ | |
428 | struct inferior_control_state control; | |
429 | ||
430 | /* State of inferior process to restore after GDB is done with an inferior | |
431 | call. See `struct inferior_suspend_state'. */ | |
432 | struct inferior_suspend_state suspend; | |
433 | ||
6c95b8df PA |
434 | /* True if this was an auto-created inferior, e.g. created from |
435 | following a fork; false, if this inferior was manually added by | |
436 | the user, and we should not attempt to prune it | |
437 | automatically. */ | |
438 | int removable; | |
439 | ||
440 | /* The address space bound to this inferior. */ | |
441 | struct address_space *aspace; | |
442 | ||
443 | /* The program space bound to this inferior. */ | |
444 | struct program_space *pspace; | |
445 | ||
3f81c18a VP |
446 | /* The arguments string to use when running. */ |
447 | char *args; | |
448 | ||
449 | /* The size of elements in argv. */ | |
450 | int argc; | |
451 | ||
452 | /* The vector version of arguments. If ARGC is nonzero, | |
453 | then we must compute ARGS from this (via the target). | |
454 | This is always coming from main's argv and therefore | |
455 | should never be freed. */ | |
456 | char **argv; | |
457 | ||
458 | /* The name of terminal device to use for I/O. */ | |
459 | char *terminal; | |
460 | ||
461 | /* Environment to use for running inferior, | |
462 | in format described in environ.h. */ | |
463 | struct gdb_environ *environment; | |
464 | ||
181e7f93 PA |
465 | /* Nonzero if this child process was attached rather than |
466 | forked. */ | |
467 | int attach_flag; | |
468 | ||
6c95b8df PA |
469 | /* If this inferior is a vfork child, then this is the pointer to |
470 | its vfork parent, if GDB is still attached to it. */ | |
471 | struct inferior *vfork_parent; | |
472 | ||
473 | /* If this process is a vfork parent, this is the pointer to the | |
474 | child. Since a vfork parent is left frozen by the kernel until | |
475 | the child execs or exits, a process can only have one vfork child | |
476 | at a given time. */ | |
477 | struct inferior *vfork_child; | |
478 | ||
479 | /* True if this inferior should be detached when it's vfork sibling | |
480 | exits or execs. */ | |
481 | int pending_detach; | |
482 | ||
483 | /* True if this inferior is a vfork parent waiting for a vfork child | |
484 | not under our control to be done with the shared memory region, | |
485 | either by exiting or execing. */ | |
486 | int waiting_for_vfork_done; | |
487 | ||
24291992 PA |
488 | /* True if we're in the process of detaching from this inferior. */ |
489 | int detaching; | |
490 | ||
e0ba6746 PA |
491 | /* What is left to do for an execution command after any thread of |
492 | this inferior stops. For continuations associated with a | |
493 | specific thread, see `struct thread_info'. */ | |
494 | struct continuation *continuations; | |
495 | ||
b77209e0 PA |
496 | /* Private data used by the target vector implementation. */ |
497 | struct private_inferior *private; | |
a96d9b2e | 498 | |
8cf64490 TT |
499 | /* HAS_EXIT_CODE is true if the inferior exited with an exit code. |
500 | In this case, the EXIT_CODE field is also valid. */ | |
501 | int has_exit_code; | |
502 | LONGEST exit_code; | |
503 | ||
7dcd53a0 TT |
504 | /* Default flags to pass to the symbol reading functions. These are |
505 | used whenever a new objfile is created. The valid values come | |
506 | from enum symfile_add_flags. */ | |
507 | int symfile_flags; | |
508 | ||
6c95b8df PA |
509 | /* Per inferior data-pointers required by other GDB modules. */ |
510 | void **data; | |
511 | unsigned num_data; | |
b77209e0 PA |
512 | }; |
513 | ||
6c95b8df PA |
514 | /* Keep a registry of per-inferior data-pointers required by other GDB |
515 | modules. */ | |
516 | ||
517 | extern const struct inferior_data *register_inferior_data (void); | |
518 | extern const struct inferior_data *register_inferior_data_with_cleanup | |
519 | (void (*cleanup) (struct inferior *, void *)); | |
520 | extern void clear_inferior_data (struct inferior *inf); | |
521 | extern void set_inferior_data (struct inferior *inf, | |
522 | const struct inferior_data *data, void *value); | |
523 | extern void *inferior_data (struct inferior *inf, | |
524 | const struct inferior_data *data); | |
525 | ||
b77209e0 PA |
526 | /* Create an empty inferior list, or empty the existing one. */ |
527 | extern void init_inferior_list (void); | |
528 | ||
529 | /* Add an inferior to the inferior list, print a message that a new | |
530 | inferior is found, and return the pointer to the new inferior. | |
531 | Caller may use this pointer to initialize the private inferior | |
532 | data. */ | |
533 | extern struct inferior *add_inferior (int pid); | |
534 | ||
535 | /* Same as add_inferior, but don't print new inferior notifications to | |
536 | the CLI. */ | |
537 | extern struct inferior *add_inferior_silent (int pid); | |
538 | ||
539 | /* Delete an existing inferior list entry, due to inferior exit. */ | |
540 | extern void delete_inferior (int pid); | |
541 | ||
a79b8f6e VP |
542 | extern void delete_inferior_1 (struct inferior *todel, int silent); |
543 | ||
b77209e0 PA |
544 | /* Same as delete_inferior, but don't print new inferior notifications |
545 | to the CLI. */ | |
546 | extern void delete_inferior_silent (int pid); | |
547 | ||
548 | /* Delete an existing inferior list entry, due to inferior detaching. */ | |
549 | extern void detach_inferior (int pid); | |
550 | ||
6c95b8df PA |
551 | extern void exit_inferior (int pid); |
552 | ||
553 | extern void exit_inferior_silent (int pid); | |
554 | ||
555 | extern void exit_inferior_num_silent (int num); | |
556 | ||
557 | extern void inferior_appeared (struct inferior *inf, int pid); | |
558 | ||
82f73884 PA |
559 | /* Get rid of all inferiors. */ |
560 | extern void discard_all_inferiors (void); | |
561 | ||
b77209e0 PA |
562 | /* Translate the integer inferior id (GDB's homegrown id, not the system's) |
563 | into a "pid" (which may be overloaded with extra inferior information). */ | |
564 | extern int gdb_inferior_id_to_pid (int); | |
565 | ||
566 | /* Translate a target 'pid' into the integer inferior id (GDB's | |
567 | homegrown id, not the system's). */ | |
568 | extern int pid_to_gdb_inferior_id (int pid); | |
569 | ||
570 | /* Boolean test for an already-known pid. */ | |
571 | extern int in_inferior_list (int pid); | |
572 | ||
573 | /* Boolean test for an already-known inferior id (GDB's homegrown id, | |
574 | not the system's). */ | |
2c0b251b | 575 | extern int valid_gdb_inferior_id (int num); |
b77209e0 | 576 | |
6c95b8df | 577 | /* Search function to lookup an inferior by target 'pid'. */ |
b77209e0 PA |
578 | extern struct inferior *find_inferior_pid (int pid); |
579 | ||
6c95b8df PA |
580 | /* Search function to lookup an inferior by GDB 'num'. */ |
581 | extern struct inferior *find_inferior_id (int num); | |
582 | ||
583 | /* Find an inferior bound to PSPACE. */ | |
584 | extern struct inferior * | |
585 | find_inferior_for_program_space (struct program_space *pspace); | |
586 | ||
b77209e0 PA |
587 | /* Inferior iterator function. |
588 | ||
589 | Calls a callback function once for each inferior, so long as the | |
590 | callback function returns false. If the callback function returns | |
591 | true, the iteration will end and the current inferior will be | |
592 | returned. This can be useful for implementing a search for a | |
593 | inferior with arbitrary attributes, or for applying some operation | |
594 | to every inferior. | |
595 | ||
596 | It is safe to delete the iterated inferior from the callback. */ | |
597 | extern struct inferior *iterate_over_inferiors (int (*) (struct inferior *, | |
598 | void *), | |
599 | void *); | |
600 | ||
b77209e0 PA |
601 | /* Returns true if the inferior list is not empty. */ |
602 | extern int have_inferiors (void); | |
603 | ||
c35b1492 PA |
604 | /* Returns true if there are any live inferiors in the inferior list |
605 | (not cores, not executables, real live processes). */ | |
606 | extern int have_live_inferiors (void); | |
607 | ||
b77209e0 PA |
608 | /* Return a pointer to the current inferior. It is an error to call |
609 | this if there is no current inferior. */ | |
610 | extern struct inferior *current_inferior (void); | |
611 | ||
6c95b8df PA |
612 | extern void set_current_inferior (struct inferior *); |
613 | ||
614 | extern struct cleanup *save_current_inferior (void); | |
615 | ||
c65b3e0d PA |
616 | /* Traverse all inferiors. */ |
617 | ||
618 | #define ALL_INFERIORS(I) \ | |
619 | for ((I) = inferior_list; (I); (I) = (I)->next) | |
620 | ||
6c95b8df PA |
621 | extern struct inferior *inferior_list; |
622 | ||
623 | /* Prune away automatically added inferiors that aren't required | |
624 | anymore. */ | |
625 | extern void prune_inferiors (void); | |
626 | ||
627 | extern int number_of_inferiors (void); | |
628 | ||
a79b8f6e VP |
629 | extern struct inferior *add_inferior_with_spaces (void); |
630 | ||
d914c394 SS |
631 | extern void update_observer_mode (void); |
632 | ||
9b224c5e PA |
633 | extern void update_signals_program_target (void); |
634 | ||
ed01b82c PA |
635 | /* In some circumstances we allow a command to specify a numeric |
636 | signal. The idea is to keep these circumstances limited so that | |
637 | users (and scripts) develop portable habits. For comparison, | |
638 | POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a | |
639 | numeric signal at all is obsolescent. We are slightly more lenient | |
640 | and allow 1-15 which should match host signal numbers on most | |
641 | systems. Use of symbolic signal names is strongly encouraged. */ | |
642 | ||
643 | enum target_signal target_signal_from_command (int num); | |
644 | ||
c906108c | 645 | #endif /* !defined (INFERIOR_H) */ |