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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; |
6ecd4729 | 33 | struct target_desc_info; |
67a2b77e | 34 | |
d26e3629 KY |
35 | #include "ptid.h" |
36 | ||
c906108c SS |
37 | /* For bpstat. */ |
38 | #include "breakpoint.h" | |
39 | ||
2ea28649 | 40 | /* For enum gdb_signal. */ |
c906108c SS |
41 | #include "target.h" |
42 | ||
aa0cd9c1 AC |
43 | /* For struct frame_id. */ |
44 | #include "frame.h" | |
45 | ||
6c95b8df | 46 | #include "progspace.h" |
8e260fc0 | 47 | #include "registry.h" |
6c95b8df | 48 | |
16c381f0 JK |
49 | struct infcall_suspend_state; |
50 | struct infcall_control_state; | |
7a292a7a | 51 | |
16c381f0 JK |
52 | extern struct infcall_suspend_state *save_infcall_suspend_state (void); |
53 | extern struct infcall_control_state *save_infcall_control_state (void); | |
c906108c | 54 | |
16c381f0 JK |
55 | extern void restore_infcall_suspend_state (struct infcall_suspend_state *); |
56 | extern void restore_infcall_control_state (struct infcall_control_state *); | |
b89667eb | 57 | |
16c381f0 JK |
58 | extern struct cleanup *make_cleanup_restore_infcall_suspend_state |
59 | (struct infcall_suspend_state *); | |
60 | extern struct cleanup *make_cleanup_restore_infcall_control_state | |
61 | (struct infcall_control_state *); | |
b89667eb | 62 | |
16c381f0 JK |
63 | extern void discard_infcall_suspend_state (struct infcall_suspend_state *); |
64 | extern void discard_infcall_control_state (struct infcall_control_state *); | |
7a292a7a | 65 | |
16c381f0 JK |
66 | extern struct regcache * |
67 | get_infcall_suspend_state_regcache (struct infcall_suspend_state *); | |
b89667eb | 68 | |
0723dbf5 PA |
69 | /* Returns true if PTID matches filter FILTER. FILTER can be the wild |
70 | card MINUS_ONE_PTID (all ptid match it); can be a ptid representing | |
71 | a process (ptid_is_pid returns true), in which case, all lwps and | |
72 | threads of that given process match, lwps and threads of other | |
73 | processes do not; or, it can represent a specific thread, in which | |
74 | case, only that thread will match true. PTID must represent a | |
75 | specific LWP or THREAD, it can never be a wild card. */ | |
76 | ||
77 | extern int ptid_match (ptid_t ptid, ptid_t filter); | |
78 | ||
ce696e05 KB |
79 | /* Save value of inferior_ptid so that it may be restored by |
80 | a later call to do_cleanups(). Returns the struct cleanup | |
81 | pointer needed for later doing the cleanup. */ | |
82 | extern struct cleanup * save_inferior_ptid (void); | |
83 | ||
a14ed312 | 84 | extern void set_sigint_trap (void); |
c906108c | 85 | |
a14ed312 | 86 | extern void clear_sigint_trap (void); |
c906108c | 87 | |
3cb3b8df | 88 | /* Set/get file name for default use for standard in/out in the inferior. */ |
c906108c | 89 | |
3cb3b8df BR |
90 | extern void set_inferior_io_terminal (const char *terminal_name); |
91 | extern const char *get_inferior_io_terminal (void); | |
c906108c | 92 | |
39f77062 | 93 | /* Collected pid, tid, etc. of the debugged inferior. When there's |
1777feb0 | 94 | no inferior, PIDGET (inferior_ptid) will be 0. */ |
c906108c | 95 | |
39f77062 | 96 | extern ptid_t inferior_ptid; |
c906108c | 97 | |
43ff13b4 JM |
98 | /* Are we simulating synchronous execution? This is used in async gdb |
99 | to implement the 'run', 'continue' etc commands, which will not | |
1777feb0 | 100 | redisplay the prompt until the execution is actually over. */ |
43ff13b4 JM |
101 | extern int sync_execution; |
102 | ||
1777feb0 | 103 | /* Inferior environment. */ |
c906108c | 104 | |
a14ed312 | 105 | extern void clear_proceed_status (void); |
c906108c | 106 | |
2ea28649 | 107 | extern void proceed (CORE_ADDR, enum gdb_signal, int); |
c906108c | 108 | |
d4db2f36 PA |
109 | extern int sched_multi; |
110 | ||
5fbbeb29 CF |
111 | /* When set, stop the 'step' command if we enter a function which has |
112 | no line number information. The normal behavior is that we step | |
113 | over such function. */ | |
114 | extern int step_stop_if_no_debug; | |
115 | ||
ad52ddc6 PA |
116 | /* If set, the inferior should be controlled in non-stop mode. In |
117 | this mode, each thread is controlled independently. Execution | |
b021a221 | 118 | commands apply only to the selected thread by default, and stop |
ad52ddc6 PA |
119 | events stop only the thread that had the event -- the other threads |
120 | are kept running freely. */ | |
121 | extern int non_stop; | |
122 | ||
6c95b8df PA |
123 | /* If set (default), when following a fork, GDB will detach from one |
124 | the fork branches, child or parent. Exactly which branch is | |
125 | detached depends on 'set follow-fork-mode' setting. */ | |
126 | extern int detach_fork; | |
127 | ||
03583c20 UW |
128 | /* When set (default), the target should attempt to disable the operating |
129 | system's address space randomization feature when starting an inferior. */ | |
130 | extern int disable_randomization; | |
131 | ||
a14ed312 | 132 | extern void generic_mourn_inferior (void); |
c906108c | 133 | |
a790ad35 SC |
134 | extern void terminal_save_ours (void); |
135 | ||
a14ed312 | 136 | extern void terminal_ours (void); |
c906108c | 137 | |
9898f801 UW |
138 | extern CORE_ADDR unsigned_pointer_to_address (struct gdbarch *gdbarch, |
139 | struct type *type, | |
b60c417a | 140 | const gdb_byte *buf); |
9898f801 UW |
141 | extern void unsigned_address_to_pointer (struct gdbarch *gdbarch, |
142 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 143 | CORE_ADDR addr); |
9898f801 UW |
144 | extern CORE_ADDR signed_pointer_to_address (struct gdbarch *gdbarch, |
145 | struct type *type, | |
b60c417a | 146 | const gdb_byte *buf); |
9898f801 UW |
147 | extern void address_to_signed_pointer (struct gdbarch *gdbarch, |
148 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 149 | CORE_ADDR addr); |
4478b372 | 150 | |
e4c8541f | 151 | extern void wait_for_inferior (void); |
c906108c | 152 | |
24291992 PA |
153 | extern void prepare_for_detach (void); |
154 | ||
a14ed312 | 155 | extern void fetch_inferior_event (void *); |
43ff13b4 | 156 | |
a14ed312 | 157 | extern void init_wait_for_inferior (void); |
c906108c | 158 | |
a14ed312 | 159 | extern void reopen_exec_file (void); |
c906108c SS |
160 | |
161 | /* The `resume' routine should only be called in special circumstances. | |
162 | Normally, use `proceed', which handles a lot of bookkeeping. */ | |
163 | ||
2ea28649 | 164 | extern void resume (int, enum gdb_signal); |
c906108c | 165 | |
09cee04b PA |
166 | extern ptid_t user_visible_resume_ptid (int step); |
167 | ||
9da8c2a0 PA |
168 | extern void insert_step_resume_breakpoint_at_sal (struct gdbarch *, |
169 | struct symtab_and_line , | |
170 | struct frame_id); | |
171 | ||
c906108c SS |
172 | /* From misc files */ |
173 | ||
0ab7a791 AC |
174 | extern void default_print_registers_info (struct gdbarch *gdbarch, |
175 | struct ui_file *file, | |
176 | struct frame_info *frame, | |
177 | int regnum, int all); | |
666e11c5 | 178 | |
a14ed312 | 179 | extern void child_terminal_info (char *, int); |
c906108c | 180 | |
a14ed312 | 181 | extern void term_info (char *, int); |
c906108c | 182 | |
a14ed312 | 183 | extern void terminal_ours_for_output (void); |
c906108c | 184 | |
a14ed312 | 185 | extern void terminal_inferior (void); |
c906108c | 186 | |
a14ed312 | 187 | extern void terminal_init_inferior (void); |
c906108c | 188 | |
a14ed312 | 189 | extern void terminal_init_inferior_with_pgrp (int pgrp); |
c906108c | 190 | |
c906108c SS |
191 | /* From fork-child.c */ |
192 | ||
136d6dae VP |
193 | extern int fork_inferior (char *, char *, char **, |
194 | void (*)(void), | |
e69860f1 TG |
195 | void (*)(int), void (*)(void), char *, |
196 | void (*)(const char *, | |
197 | char * const *, char * const *)); | |
c906108c SS |
198 | |
199 | ||
a14ed312 | 200 | extern void startup_inferior (int); |
c906108c | 201 | |
bd57a748 | 202 | extern char *construct_inferior_arguments (int, char **); |
552c04a7 | 203 | |
c906108c SS |
204 | /* From infrun.c */ |
205 | ||
ccce17b0 | 206 | extern unsigned int debug_infrun; |
628fe4e4 JK |
207 | |
208 | extern int stop_on_solib_events; | |
209 | ||
8621d6a9 | 210 | extern void start_remote (int from_tty); |
c906108c | 211 | |
a14ed312 | 212 | extern void normal_stop (void); |
c906108c | 213 | |
a14ed312 | 214 | extern int signal_stop_state (int); |
c906108c | 215 | |
a14ed312 | 216 | extern int signal_print_state (int); |
c906108c | 217 | |
a14ed312 | 218 | extern int signal_pass_state (int); |
c906108c | 219 | |
a14ed312 | 220 | extern int signal_stop_update (int, int); |
d4f3574e | 221 | |
a14ed312 | 222 | extern int signal_print_update (int, int); |
d4f3574e | 223 | |
a14ed312 | 224 | extern int signal_pass_update (int, int); |
d4f3574e | 225 | |
39f77062 KB |
226 | extern void get_last_target_status(ptid_t *ptid, |
227 | struct target_waitstatus *status); | |
e02bc4cc | 228 | |
6604731b DJ |
229 | extern void follow_inferior_reset_breakpoints (void); |
230 | ||
94cc34af PA |
231 | /* Throw an error indicating the current thread is running. */ |
232 | extern void error_is_running (void); | |
233 | ||
234 | /* Calls error_is_running if the current thread is running. */ | |
235 | extern void ensure_not_running (void); | |
236 | ||
edb3359d DJ |
237 | void set_step_info (struct frame_info *frame, struct symtab_and_line sal); |
238 | ||
c906108c SS |
239 | /* From infcmd.c */ |
240 | ||
281b533b DJ |
241 | extern void post_create_inferior (struct target_ops *, int); |
242 | ||
a14ed312 | 243 | extern void attach_command (char *, int); |
c906108c | 244 | |
a250df2e | 245 | extern char *get_inferior_args (void); |
07091751 | 246 | |
3f81c18a | 247 | extern void set_inferior_args (char *); |
07091751 | 248 | |
552c04a7 TT |
249 | extern void set_inferior_args_vector (int, char **); |
250 | ||
2d4c29c5 TS |
251 | extern void all_registers_info (char *, int); |
252 | ||
36dc181b EZ |
253 | extern void registers_info (char *, int); |
254 | ||
255 | extern void nexti_command (char *, int); | |
256 | ||
257 | extern void stepi_command (char *, int); | |
258 | ||
77ebaa5a VP |
259 | extern void continue_1 (int all_threads); |
260 | ||
36dc181b EZ |
261 | extern void continue_command (char *, int); |
262 | ||
263 | extern void interrupt_target_command (char *args, int from_tty); | |
264 | ||
77ebaa5a VP |
265 | extern void interrupt_target_1 (int all_threads); |
266 | ||
186c406b TT |
267 | extern void delete_longjmp_breakpoint_cleanup (void *arg); |
268 | ||
6418d433 VP |
269 | extern void detach_command (char *, int); |
270 | ||
1941c569 PA |
271 | extern void notice_new_inferior (ptid_t, int, int); |
272 | ||
6a3a010b | 273 | extern struct value *get_return_value (struct value *function, |
cc72b2a2 KP |
274 | struct type *value_type); |
275 | ||
c906108c SS |
276 | /* Address at which inferior stopped. */ |
277 | ||
278 | extern CORE_ADDR stop_pc; | |
279 | ||
c906108c SS |
280 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
281 | ||
aa7d318d | 282 | extern enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
283 | |
284 | /* Nonzero if program stopped due to a random (unexpected) signal in | |
285 | inferior process. */ | |
286 | ||
287 | extern int stopped_by_random_signal; | |
288 | ||
a49f981f MS |
289 | /* STEP_OVER_ALL means step over all subroutine calls. |
290 | STEP_OVER_UNDEBUGGABLE means step over calls to undebuggable functions. | |
291 | STEP_OVER_NONE means don't step over any subroutine calls. */ | |
c906108c | 292 | |
5fbbeb29 CF |
293 | enum step_over_calls_kind |
294 | { | |
295 | STEP_OVER_NONE, | |
296 | STEP_OVER_ALL, | |
a4acd088 CF |
297 | STEP_OVER_UNDEBUGGABLE |
298 | }; | |
299 | ||
b0f4b84b DJ |
300 | /* Anything but NO_STOP_QUIETLY means we expect a trap and the caller |
301 | will handle it themselves. STOP_QUIETLY is used when running in | |
302 | the shell before the child program has been exec'd and when running | |
303 | through shared library loading. STOP_QUIETLY_REMOTE is used when | |
304 | setting up a remote connection; it is like STOP_QUIETLY_NO_SIGSTOP | |
305 | except that there is no need to hide a signal. */ | |
c54cfec8 | 306 | |
1777feb0 | 307 | /* It is also used after attach, due to attaching to a process. This |
c54cfec8 EZ |
308 | is a bit trickier. When doing an attach, the kernel stops the |
309 | debuggee with a SIGSTOP. On newer GNU/Linux kernels (>= 2.5.61) | |
1777feb0 | 310 | the handling of SIGSTOP for a ptraced process has changed. Earlier |
c54cfec8 EZ |
311 | versions of the kernel would ignore these SIGSTOPs, while now |
312 | SIGSTOP is treated like any other signal, i.e. it is not muffled. | |
313 | ||
314 | If the gdb user does a 'continue' after the 'attach', gdb passes | |
315 | the global variable stop_signal (which stores the signal from the | |
316 | attach, SIGSTOP) to the ptrace(PTRACE_CONT,...) call. This is | |
317 | problematic, because the kernel doesn't ignore such SIGSTOP | |
1777feb0 | 318 | now. I.e. it is reported back to gdb, which in turn presents it |
c54cfec8 EZ |
319 | back to the user. |
320 | ||
321 | To avoid the problem, we use STOP_QUIETLY_NO_SIGSTOP, which allows | |
322 | gdb to clear the value of stop_signal after the attach, so that it | |
323 | is not passed back down to the kernel. */ | |
324 | ||
325 | enum stop_kind | |
326 | { | |
327 | NO_STOP_QUIETLY = 0, | |
328 | STOP_QUIETLY, | |
b0f4b84b | 329 | STOP_QUIETLY_REMOTE, |
c54cfec8 EZ |
330 | STOP_QUIETLY_NO_SIGSTOP |
331 | }; | |
c906108c | 332 | |
b2175913 MS |
333 | /* Reverse execution. */ |
334 | enum exec_direction_kind | |
335 | { | |
336 | EXEC_FORWARD, | |
d8b34453 | 337 | EXEC_REVERSE |
b2175913 MS |
338 | }; |
339 | ||
32231432 PA |
340 | /* The current execution direction. This should only be set to enum |
341 | exec_direction_kind values. It is only an int to make it | |
342 | compatible with make_cleanup_restore_integer. */ | |
343 | extern int execution_direction; | |
b2175913 | 344 | |
642fd101 DE |
345 | /* Save register contents here when executing a "finish" command or are |
346 | about to pop a stack dummy frame, if-and-only-if proceed_to_finish is set. | |
c906108c SS |
347 | Thus this contains the return value from the called function (assuming |
348 | values are returned in a register). */ | |
349 | ||
72cec141 | 350 | extern struct regcache *stop_registers; |
c906108c | 351 | |
237fc4c9 PA |
352 | /* True if we are debugging displaced stepping. */ |
353 | extern int debug_displaced; | |
354 | ||
355 | /* Dump LEN bytes at BUF in hex to FILE, followed by a newline. */ | |
356 | void displaced_step_dump_bytes (struct ui_file *file, | |
357 | const gdb_byte *buf, size_t len); | |
358 | ||
9a1edae6 | 359 | struct displaced_step_closure *get_displaced_step_closure_by_addr (CORE_ADDR addr); |
c906108c | 360 | \f |
faaf634c | 361 | /* Possible values for gdbarch_call_dummy_location. */ |
c906108c | 362 | #define ON_STACK 1 |
c906108c SS |
363 | #define AT_ENTRY_POINT 4 |
364 | ||
c906108c SS |
365 | /* If STARTUP_WITH_SHELL is set, GDB's "run" |
366 | will attempts to start up the debugee under a shell. | |
1777feb0 | 367 | This is in order for argument-expansion to occur. E.g., |
c906108c SS |
368 | (gdb) run * |
369 | The "*" gets expanded by the shell into a list of files. | |
370 | While this is a nice feature, it turns out to interact badly | |
371 | with some of the catch-fork/catch-exec features we have added. | |
372 | In particular, if the shell does any fork/exec's before | |
373 | the exec of the target program, that can confuse GDB. | |
374 | To disable this feature, set STARTUP_WITH_SHELL to 0. | |
375 | To enable this feature, set STARTUP_WITH_SHELL to 1. | |
376 | The catch-exec traps expected during start-up will | |
377 | be 1 if target is not started up with a shell, 2 if it is. | |
378 | - RT | |
379 | If you disable this, you need to decrement | |
1777feb0 | 380 | START_INFERIOR_TRAPS_EXPECTED in tm.h. */ |
c906108c SS |
381 | #define STARTUP_WITH_SHELL 1 |
382 | #if !defined(START_INFERIOR_TRAPS_EXPECTED) | |
383 | #define START_INFERIOR_TRAPS_EXPECTED 2 | |
384 | #endif | |
b77209e0 PA |
385 | |
386 | struct private_inferior; | |
387 | ||
16c381f0 JK |
388 | /* Inferior process specific part of `struct infcall_control_state'. |
389 | ||
390 | Inferior thread counterpart is `struct thread_control_state'. */ | |
391 | ||
392 | struct inferior_control_state | |
393 | { | |
394 | /* See the definition of stop_kind above. */ | |
395 | enum stop_kind stop_soon; | |
396 | }; | |
397 | ||
398 | /* Inferior process specific part of `struct infcall_suspend_state'. | |
399 | ||
400 | Inferior thread counterpart is `struct thread_suspend_state'. */ | |
401 | ||
dd80ea3c | 402 | #if 0 /* Currently unused and empty structures are not valid C. */ |
16c381f0 JK |
403 | struct inferior_suspend_state |
404 | { | |
405 | }; | |
dd80ea3c | 406 | #endif |
16c381f0 | 407 | |
b77209e0 PA |
408 | /* GDB represents the state of each program execution with an object |
409 | called an inferior. An inferior typically corresponds to a process | |
410 | but is more general and applies also to targets that do not have a | |
411 | notion of processes. Each run of an executable creates a new | |
412 | inferior, as does each attachment to an existing process. | |
413 | Inferiors have unique internal identifiers that are different from | |
414 | target process ids. Each inferior may in turn have multiple | |
415 | threads running in it. */ | |
416 | ||
417 | struct inferior | |
418 | { | |
419 | /* Pointer to next inferior in singly-linked list of inferiors. */ | |
420 | struct inferior *next; | |
421 | ||
422 | /* Convenient handle (GDB inferior id). Unique across all | |
423 | inferiors. */ | |
424 | int num; | |
425 | ||
426 | /* Actual target inferior id, usually, a process id. This matches | |
427 | the ptid_t.pid member of threads of this inferior. */ | |
428 | int pid; | |
e714e1bf UW |
429 | /* True if the PID was actually faked by GDB. */ |
430 | int fake_pid_p; | |
b77209e0 | 431 | |
16c381f0 JK |
432 | /* State of GDB control of inferior process execution. |
433 | See `struct inferior_control_state'. */ | |
434 | struct inferior_control_state control; | |
435 | ||
436 | /* State of inferior process to restore after GDB is done with an inferior | |
437 | call. See `struct inferior_suspend_state'. */ | |
dd80ea3c | 438 | #if 0 /* Currently unused and empty structures are not valid C. */ |
16c381f0 | 439 | struct inferior_suspend_state suspend; |
dd80ea3c | 440 | #endif |
16c381f0 | 441 | |
6c95b8df PA |
442 | /* True if this was an auto-created inferior, e.g. created from |
443 | following a fork; false, if this inferior was manually added by | |
444 | the user, and we should not attempt to prune it | |
445 | automatically. */ | |
446 | int removable; | |
447 | ||
448 | /* The address space bound to this inferior. */ | |
449 | struct address_space *aspace; | |
450 | ||
451 | /* The program space bound to this inferior. */ | |
452 | struct program_space *pspace; | |
453 | ||
3f81c18a VP |
454 | /* The arguments string to use when running. */ |
455 | char *args; | |
456 | ||
457 | /* The size of elements in argv. */ | |
458 | int argc; | |
459 | ||
460 | /* The vector version of arguments. If ARGC is nonzero, | |
461 | then we must compute ARGS from this (via the target). | |
462 | This is always coming from main's argv and therefore | |
463 | should never be freed. */ | |
464 | char **argv; | |
465 | ||
466 | /* The name of terminal device to use for I/O. */ | |
467 | char *terminal; | |
468 | ||
469 | /* Environment to use for running inferior, | |
470 | in format described in environ.h. */ | |
471 | struct gdb_environ *environment; | |
472 | ||
181e7f93 PA |
473 | /* Nonzero if this child process was attached rather than |
474 | forked. */ | |
475 | int attach_flag; | |
476 | ||
6c95b8df PA |
477 | /* If this inferior is a vfork child, then this is the pointer to |
478 | its vfork parent, if GDB is still attached to it. */ | |
479 | struct inferior *vfork_parent; | |
480 | ||
481 | /* If this process is a vfork parent, this is the pointer to the | |
482 | child. Since a vfork parent is left frozen by the kernel until | |
483 | the child execs or exits, a process can only have one vfork child | |
484 | at a given time. */ | |
485 | struct inferior *vfork_child; | |
486 | ||
487 | /* True if this inferior should be detached when it's vfork sibling | |
488 | exits or execs. */ | |
489 | int pending_detach; | |
490 | ||
491 | /* True if this inferior is a vfork parent waiting for a vfork child | |
492 | not under our control to be done with the shared memory region, | |
493 | either by exiting or execing. */ | |
494 | int waiting_for_vfork_done; | |
495 | ||
24291992 PA |
496 | /* True if we're in the process of detaching from this inferior. */ |
497 | int detaching; | |
498 | ||
e0ba6746 PA |
499 | /* What is left to do for an execution command after any thread of |
500 | this inferior stops. For continuations associated with a | |
501 | specific thread, see `struct thread_info'. */ | |
502 | struct continuation *continuations; | |
503 | ||
b77209e0 PA |
504 | /* Private data used by the target vector implementation. */ |
505 | struct private_inferior *private; | |
a96d9b2e | 506 | |
8cf64490 TT |
507 | /* HAS_EXIT_CODE is true if the inferior exited with an exit code. |
508 | In this case, the EXIT_CODE field is also valid. */ | |
509 | int has_exit_code; | |
510 | LONGEST exit_code; | |
511 | ||
7dcd53a0 TT |
512 | /* Default flags to pass to the symbol reading functions. These are |
513 | used whenever a new objfile is created. The valid values come | |
514 | from enum symfile_add_flags. */ | |
515 | int symfile_flags; | |
516 | ||
6ecd4729 PA |
517 | /* Info about an inferior's target description (if it's fetched; the |
518 | user supplied description's filename, if any; etc.). */ | |
519 | struct target_desc_info *tdesc_info; | |
520 | ||
521 | /* The architecture associated with the inferior through the | |
522 | connection to the target. | |
523 | ||
524 | The architecture vector provides some information that is really | |
525 | a property of the inferior, accessed through a particular target: | |
526 | ptrace operations; the layout of certain RSP packets; the | |
527 | solib_ops vector; etc. To differentiate architecture accesses to | |
528 | per-inferior/target properties from | |
529 | per-thread/per-frame/per-objfile properties, accesses to | |
530 | per-inferior/target properties should be made through | |
531 | this gdbarch. */ | |
532 | struct gdbarch *gdbarch; | |
533 | ||
6c95b8df | 534 | /* Per inferior data-pointers required by other GDB modules. */ |
8e260fc0 | 535 | REGISTRY_FIELDS; |
b77209e0 PA |
536 | }; |
537 | ||
6c95b8df PA |
538 | /* Keep a registry of per-inferior data-pointers required by other GDB |
539 | modules. */ | |
540 | ||
8e260fc0 | 541 | DECLARE_REGISTRY (inferior); |
6c95b8df | 542 | |
b77209e0 PA |
543 | /* Create an empty inferior list, or empty the existing one. */ |
544 | extern void init_inferior_list (void); | |
545 | ||
546 | /* Add an inferior to the inferior list, print a message that a new | |
547 | inferior is found, and return the pointer to the new inferior. | |
548 | Caller may use this pointer to initialize the private inferior | |
549 | data. */ | |
550 | extern struct inferior *add_inferior (int pid); | |
551 | ||
552 | /* Same as add_inferior, but don't print new inferior notifications to | |
553 | the CLI. */ | |
554 | extern struct inferior *add_inferior_silent (int pid); | |
555 | ||
556 | /* Delete an existing inferior list entry, due to inferior exit. */ | |
557 | extern void delete_inferior (int pid); | |
558 | ||
a79b8f6e VP |
559 | extern void delete_inferior_1 (struct inferior *todel, int silent); |
560 | ||
b77209e0 PA |
561 | /* Same as delete_inferior, but don't print new inferior notifications |
562 | to the CLI. */ | |
563 | extern void delete_inferior_silent (int pid); | |
564 | ||
565 | /* Delete an existing inferior list entry, due to inferior detaching. */ | |
566 | extern void detach_inferior (int pid); | |
567 | ||
6c95b8df PA |
568 | extern void exit_inferior (int pid); |
569 | ||
570 | extern void exit_inferior_silent (int pid); | |
571 | ||
572 | extern void exit_inferior_num_silent (int num); | |
573 | ||
574 | extern void inferior_appeared (struct inferior *inf, int pid); | |
575 | ||
82f73884 PA |
576 | /* Get rid of all inferiors. */ |
577 | extern void discard_all_inferiors (void); | |
578 | ||
b77209e0 PA |
579 | /* Translate the integer inferior id (GDB's homegrown id, not the system's) |
580 | into a "pid" (which may be overloaded with extra inferior information). */ | |
581 | extern int gdb_inferior_id_to_pid (int); | |
582 | ||
583 | /* Translate a target 'pid' into the integer inferior id (GDB's | |
584 | homegrown id, not the system's). */ | |
585 | extern int pid_to_gdb_inferior_id (int pid); | |
586 | ||
587 | /* Boolean test for an already-known pid. */ | |
588 | extern int in_inferior_list (int pid); | |
589 | ||
590 | /* Boolean test for an already-known inferior id (GDB's homegrown id, | |
591 | not the system's). */ | |
2c0b251b | 592 | extern int valid_gdb_inferior_id (int num); |
b77209e0 | 593 | |
6c95b8df | 594 | /* Search function to lookup an inferior by target 'pid'. */ |
b77209e0 PA |
595 | extern struct inferior *find_inferior_pid (int pid); |
596 | ||
6c95b8df PA |
597 | /* Search function to lookup an inferior by GDB 'num'. */ |
598 | extern struct inferior *find_inferior_id (int num); | |
599 | ||
600 | /* Find an inferior bound to PSPACE. */ | |
601 | extern struct inferior * | |
602 | find_inferior_for_program_space (struct program_space *pspace); | |
603 | ||
b77209e0 PA |
604 | /* Inferior iterator function. |
605 | ||
606 | Calls a callback function once for each inferior, so long as the | |
607 | callback function returns false. If the callback function returns | |
608 | true, the iteration will end and the current inferior will be | |
609 | returned. This can be useful for implementing a search for a | |
610 | inferior with arbitrary attributes, or for applying some operation | |
611 | to every inferior. | |
612 | ||
613 | It is safe to delete the iterated inferior from the callback. */ | |
614 | extern struct inferior *iterate_over_inferiors (int (*) (struct inferior *, | |
615 | void *), | |
616 | void *); | |
617 | ||
b77209e0 PA |
618 | /* Returns true if the inferior list is not empty. */ |
619 | extern int have_inferiors (void); | |
620 | ||
c35b1492 PA |
621 | /* Returns true if there are any live inferiors in the inferior list |
622 | (not cores, not executables, real live processes). */ | |
623 | extern int have_live_inferiors (void); | |
624 | ||
b77209e0 PA |
625 | /* Return a pointer to the current inferior. It is an error to call |
626 | this if there is no current inferior. */ | |
627 | extern struct inferior *current_inferior (void); | |
628 | ||
6c95b8df PA |
629 | extern void set_current_inferior (struct inferior *); |
630 | ||
631 | extern struct cleanup *save_current_inferior (void); | |
632 | ||
c65b3e0d PA |
633 | /* Traverse all inferiors. */ |
634 | ||
635 | #define ALL_INFERIORS(I) \ | |
636 | for ((I) = inferior_list; (I); (I) = (I)->next) | |
637 | ||
6c95b8df PA |
638 | extern struct inferior *inferior_list; |
639 | ||
640 | /* Prune away automatically added inferiors that aren't required | |
641 | anymore. */ | |
642 | extern void prune_inferiors (void); | |
643 | ||
644 | extern int number_of_inferiors (void); | |
645 | ||
a79b8f6e VP |
646 | extern struct inferior *add_inferior_with_spaces (void); |
647 | ||
d914c394 SS |
648 | extern void update_observer_mode (void); |
649 | ||
9b224c5e PA |
650 | extern void update_signals_program_target (void); |
651 | ||
ed01b82c PA |
652 | /* In some circumstances we allow a command to specify a numeric |
653 | signal. The idea is to keep these circumstances limited so that | |
654 | users (and scripts) develop portable habits. For comparison, | |
655 | POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a | |
656 | numeric signal at all is obsolescent. We are slightly more lenient | |
657 | and allow 1-15 which should match host signal numbers on most | |
658 | systems. Use of symbolic signal names is strongly encouraged. */ | |
659 | ||
2ea28649 | 660 | enum gdb_signal gdb_signal_from_command (int num); |
ed01b82c | 661 | |
c906108c | 662 | #endif /* !defined (INFERIOR_H) */ |