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 | |
6aba47ca | 4 | Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, |
0fb0cc75 | 5 | 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
1bf1958d | 6 | Free Software Foundation, Inc. |
c906108c | 7 | |
c5aa993b | 8 | This file is part of GDB. |
c906108c | 9 | |
c5aa993b JM |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 13 | (at your option) any later version. |
c906108c | 14 | |
c5aa993b JM |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
c906108c | 19 | |
c5aa993b | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #if !defined (INFERIOR_H) | |
24 | #define INFERIOR_H 1 | |
25 | ||
da3331ec AC |
26 | struct target_waitstatus; |
27 | struct frame_info; | |
28 | struct ui_file; | |
29 | struct type; | |
67a2b77e | 30 | struct gdbarch; |
72cec141 | 31 | struct regcache; |
b77209e0 | 32 | struct ui_out; |
7e1789f5 | 33 | struct terminal_info; |
67a2b77e | 34 | |
c906108c SS |
35 | /* For bpstat. */ |
36 | #include "breakpoint.h" | |
37 | ||
38 | /* For enum target_signal. */ | |
39 | #include "target.h" | |
40 | ||
aa0cd9c1 AC |
41 | /* For struct frame_id. */ |
42 | #include "frame.h" | |
43 | ||
b89667eb | 44 | /* Two structures are used to record inferior state. |
7a292a7a | 45 | |
b89667eb DE |
46 | inferior_thread_state contains state about the program itself like its |
47 | registers and any signal it received when it last stopped. | |
48 | This state must be restored regardless of how the inferior function call | |
49 | ends (either successfully, or after it hits a breakpoint or signal) | |
50 | if the program is to properly continue where it left off. | |
c906108c | 51 | |
b89667eb DE |
52 | inferior_status contains state regarding gdb's control of the inferior |
53 | itself like stepping control. It also contains session state like the | |
54 | user's currently selected frame. | |
55 | ||
56 | Call these routines around hand called functions, including function calls | |
57 | in conditional breakpoints for example. */ | |
58 | ||
59 | struct inferior_thread_state; | |
7a292a7a | 60 | struct inferior_status; |
7a292a7a | 61 | |
b89667eb DE |
62 | extern struct inferior_thread_state *save_inferior_thread_state (void); |
63 | extern struct inferior_status *save_inferior_status (void); | |
7a292a7a | 64 | |
b89667eb | 65 | extern void restore_inferior_thread_state (struct inferior_thread_state *); |
a14ed312 | 66 | extern void restore_inferior_status (struct inferior_status *); |
7a292a7a | 67 | |
b89667eb | 68 | extern struct cleanup *make_cleanup_restore_inferior_thread_state (struct inferior_thread_state *); |
74b7792f AC |
69 | extern struct cleanup *make_cleanup_restore_inferior_status (struct inferior_status *); |
70 | ||
b89667eb | 71 | extern void discard_inferior_thread_state (struct inferior_thread_state *); |
a14ed312 | 72 | extern void discard_inferior_status (struct inferior_status *); |
7a292a7a | 73 | |
b89667eb DE |
74 | extern struct regcache *get_inferior_thread_state_regcache (struct inferior_thread_state *); |
75 | ||
ca6724c1 KB |
76 | /* The -1 ptid, often used to indicate either an error condition |
77 | or a "don't care" condition, i.e, "run all threads." */ | |
78 | extern ptid_t minus_one_ptid; | |
79 | ||
80 | /* The null or zero ptid, often used to indicate no process. */ | |
81 | extern ptid_t null_ptid; | |
82 | ||
83 | /* Attempt to find and return an existing ptid with the given PID, LWP, | |
84 | and TID components. If none exists, create a new one and return | |
85 | that. */ | |
86 | ptid_t ptid_build (int pid, long lwp, long tid); | |
87 | ||
88 | /* Find/Create a ptid from just a pid. */ | |
89 | ptid_t pid_to_ptid (int pid); | |
90 | ||
91 | /* Fetch the pid (process id) component from a ptid. */ | |
92 | int ptid_get_pid (ptid_t ptid); | |
93 | ||
94 | /* Fetch the lwp (lightweight process) component from a ptid. */ | |
95 | long ptid_get_lwp (ptid_t ptid); | |
96 | ||
97 | /* Fetch the tid (thread id) component from a ptid. */ | |
98 | long ptid_get_tid (ptid_t ptid); | |
99 | ||
100 | /* Compare two ptids to see if they are equal */ | |
101 | extern int ptid_equal (ptid_t p1, ptid_t p2); | |
102 | ||
252fbfc8 PA |
103 | /* Return true if PTID represents a process id. */ |
104 | extern int ptid_is_pid (ptid_t ptid); | |
105 | ||
ce696e05 KB |
106 | /* Save value of inferior_ptid so that it may be restored by |
107 | a later call to do_cleanups(). Returns the struct cleanup | |
108 | pointer needed for later doing the cleanup. */ | |
109 | extern struct cleanup * save_inferior_ptid (void); | |
110 | ||
a14ed312 | 111 | extern void set_sigint_trap (void); |
c906108c | 112 | |
a14ed312 | 113 | extern void clear_sigint_trap (void); |
c906108c | 114 | |
3cb3b8df | 115 | /* Set/get file name for default use for standard in/out in the inferior. */ |
c906108c | 116 | |
3cb3b8df BR |
117 | extern void set_inferior_io_terminal (const char *terminal_name); |
118 | extern const char *get_inferior_io_terminal (void); | |
c906108c | 119 | |
39f77062 KB |
120 | /* Collected pid, tid, etc. of the debugged inferior. When there's |
121 | no inferior, PIDGET (inferior_ptid) will be 0. */ | |
c906108c | 122 | |
39f77062 | 123 | extern ptid_t inferior_ptid; |
c906108c | 124 | |
43ff13b4 JM |
125 | /* Are we simulating synchronous execution? This is used in async gdb |
126 | to implement the 'run', 'continue' etc commands, which will not | |
127 | redisplay the prompt until the execution is actually over. */ | |
128 | extern int sync_execution; | |
129 | ||
c906108c SS |
130 | /* Inferior environment. */ |
131 | ||
1bf1958d | 132 | extern struct gdb_environ *inferior_environ; |
c906108c | 133 | |
a14ed312 | 134 | extern void clear_proceed_status (void); |
c906108c | 135 | |
a14ed312 | 136 | extern void proceed (CORE_ADDR, enum target_signal, int); |
c906108c | 137 | |
d4db2f36 PA |
138 | extern int sched_multi; |
139 | ||
5fbbeb29 CF |
140 | /* When set, stop the 'step' command if we enter a function which has |
141 | no line number information. The normal behavior is that we step | |
142 | over such function. */ | |
143 | extern int step_stop_if_no_debug; | |
144 | ||
ad52ddc6 PA |
145 | /* If set, the inferior should be controlled in non-stop mode. In |
146 | this mode, each thread is controlled independently. Execution | |
147 | commands apply only to the the selected thread by default, and stop | |
148 | events stop only the thread that had the event -- the other threads | |
149 | are kept running freely. */ | |
150 | extern int non_stop; | |
151 | ||
a14ed312 | 152 | extern void generic_mourn_inferior (void); |
c906108c | 153 | |
a790ad35 SC |
154 | extern void terminal_save_ours (void); |
155 | ||
a14ed312 | 156 | extern void terminal_ours (void); |
c906108c | 157 | |
9898f801 UW |
158 | extern CORE_ADDR unsigned_pointer_to_address (struct gdbarch *gdbarch, |
159 | struct type *type, | |
b60c417a | 160 | const gdb_byte *buf); |
9898f801 UW |
161 | extern void unsigned_address_to_pointer (struct gdbarch *gdbarch, |
162 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 163 | CORE_ADDR addr); |
9898f801 UW |
164 | extern CORE_ADDR signed_pointer_to_address (struct gdbarch *gdbarch, |
165 | struct type *type, | |
b60c417a | 166 | const gdb_byte *buf); |
9898f801 UW |
167 | extern void address_to_signed_pointer (struct gdbarch *gdbarch, |
168 | struct type *type, gdb_byte *buf, | |
ac2e2ef7 | 169 | CORE_ADDR addr); |
4478b372 | 170 | |
ae123ec6 | 171 | extern void wait_for_inferior (int treat_exec_as_sigtrap); |
c906108c | 172 | |
a14ed312 | 173 | extern void fetch_inferior_event (void *); |
43ff13b4 | 174 | |
a14ed312 | 175 | extern void init_wait_for_inferior (void); |
c906108c | 176 | |
a14ed312 | 177 | extern void close_exec_file (void); |
c906108c | 178 | |
a14ed312 | 179 | extern void reopen_exec_file (void); |
c906108c SS |
180 | |
181 | /* The `resume' routine should only be called in special circumstances. | |
182 | Normally, use `proceed', which handles a lot of bookkeeping. */ | |
183 | ||
a14ed312 | 184 | extern void resume (int, enum target_signal); |
c906108c SS |
185 | |
186 | /* From misc files */ | |
187 | ||
0ab7a791 AC |
188 | extern void default_print_registers_info (struct gdbarch *gdbarch, |
189 | struct ui_file *file, | |
190 | struct frame_info *frame, | |
191 | int regnum, int all); | |
666e11c5 | 192 | |
a14ed312 | 193 | extern void child_terminal_info (char *, int); |
c906108c | 194 | |
a14ed312 | 195 | extern void term_info (char *, int); |
c906108c | 196 | |
a14ed312 | 197 | extern void terminal_ours_for_output (void); |
c906108c | 198 | |
a14ed312 | 199 | extern void terminal_inferior (void); |
c906108c | 200 | |
a14ed312 | 201 | extern void terminal_init_inferior (void); |
c906108c | 202 | |
a14ed312 | 203 | extern void terminal_init_inferior_with_pgrp (int pgrp); |
c906108c | 204 | |
c906108c SS |
205 | /* From fork-child.c */ |
206 | ||
136d6dae VP |
207 | extern int fork_inferior (char *, char *, char **, |
208 | void (*)(void), | |
209 | void (*)(int), void (*)(void), char *); | |
c906108c SS |
210 | |
211 | ||
a14ed312 | 212 | extern void startup_inferior (int); |
c906108c | 213 | |
bd57a748 | 214 | extern char *construct_inferior_arguments (int, char **); |
552c04a7 | 215 | |
c906108c SS |
216 | /* From infrun.c */ |
217 | ||
8621d6a9 | 218 | extern void start_remote (int from_tty); |
c906108c | 219 | |
a14ed312 | 220 | extern void normal_stop (void); |
c906108c | 221 | |
a14ed312 | 222 | extern int signal_stop_state (int); |
c906108c | 223 | |
a14ed312 | 224 | extern int signal_print_state (int); |
c906108c | 225 | |
a14ed312 | 226 | extern int signal_pass_state (int); |
c906108c | 227 | |
a14ed312 | 228 | extern int signal_stop_update (int, int); |
d4f3574e | 229 | |
a14ed312 | 230 | extern int signal_print_update (int, int); |
d4f3574e | 231 | |
a14ed312 | 232 | extern int signal_pass_update (int, int); |
d4f3574e | 233 | |
39f77062 KB |
234 | extern void get_last_target_status(ptid_t *ptid, |
235 | struct target_waitstatus *status); | |
e02bc4cc | 236 | |
6604731b DJ |
237 | extern void follow_inferior_reset_breakpoints (void); |
238 | ||
94cc34af PA |
239 | /* Throw an error indicating the current thread is running. */ |
240 | extern void error_is_running (void); | |
241 | ||
242 | /* Calls error_is_running if the current thread is running. */ | |
243 | extern void ensure_not_running (void); | |
244 | ||
edb3359d DJ |
245 | void set_step_info (struct frame_info *frame, struct symtab_and_line sal); |
246 | ||
c906108c SS |
247 | /* From infcmd.c */ |
248 | ||
a14ed312 | 249 | extern void tty_command (char *, int); |
c906108c | 250 | |
281b533b DJ |
251 | extern void post_create_inferior (struct target_ops *, int); |
252 | ||
a14ed312 | 253 | extern void attach_command (char *, int); |
c906108c | 254 | |
a250df2e | 255 | extern char *get_inferior_args (void); |
07091751 | 256 | |
a250df2e | 257 | extern char *set_inferior_args (char *); |
07091751 | 258 | |
552c04a7 TT |
259 | extern void set_inferior_args_vector (int, char **); |
260 | ||
36dc181b EZ |
261 | extern void registers_info (char *, int); |
262 | ||
263 | extern void nexti_command (char *, int); | |
264 | ||
265 | extern void stepi_command (char *, int); | |
266 | ||
77ebaa5a VP |
267 | extern void continue_1 (int all_threads); |
268 | ||
36dc181b EZ |
269 | extern void continue_command (char *, int); |
270 | ||
271 | extern void interrupt_target_command (char *args, int from_tty); | |
272 | ||
77ebaa5a VP |
273 | extern void interrupt_target_1 (int all_threads); |
274 | ||
6418d433 VP |
275 | extern void detach_command (char *, int); |
276 | ||
1941c569 PA |
277 | extern void notice_new_inferior (ptid_t, int, int); |
278 | ||
c906108c SS |
279 | /* Address at which inferior stopped. */ |
280 | ||
281 | extern CORE_ADDR stop_pc; | |
282 | ||
c906108c SS |
283 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
284 | ||
285 | extern int stop_stack_dummy; | |
286 | ||
287 | /* Nonzero if program stopped due to a random (unexpected) signal in | |
288 | inferior process. */ | |
289 | ||
290 | extern int stopped_by_random_signal; | |
291 | ||
a49f981f MS |
292 | /* STEP_OVER_ALL means step over all subroutine calls. |
293 | STEP_OVER_UNDEBUGGABLE means step over calls to undebuggable functions. | |
294 | STEP_OVER_NONE means don't step over any subroutine calls. */ | |
c906108c | 295 | |
5fbbeb29 CF |
296 | enum step_over_calls_kind |
297 | { | |
298 | STEP_OVER_NONE, | |
299 | STEP_OVER_ALL, | |
a4acd088 CF |
300 | STEP_OVER_UNDEBUGGABLE |
301 | }; | |
302 | ||
b0f4b84b DJ |
303 | /* Anything but NO_STOP_QUIETLY means we expect a trap and the caller |
304 | will handle it themselves. STOP_QUIETLY is used when running in | |
305 | the shell before the child program has been exec'd and when running | |
306 | through shared library loading. STOP_QUIETLY_REMOTE is used when | |
307 | setting up a remote connection; it is like STOP_QUIETLY_NO_SIGSTOP | |
308 | except that there is no need to hide a signal. */ | |
c54cfec8 EZ |
309 | |
310 | /* It is also used after attach, due to attaching to a process. This | |
311 | is a bit trickier. When doing an attach, the kernel stops the | |
312 | debuggee with a SIGSTOP. On newer GNU/Linux kernels (>= 2.5.61) | |
313 | the handling of SIGSTOP for a ptraced process has changed. Earlier | |
314 | versions of the kernel would ignore these SIGSTOPs, while now | |
315 | SIGSTOP is treated like any other signal, i.e. it is not muffled. | |
316 | ||
317 | If the gdb user does a 'continue' after the 'attach', gdb passes | |
318 | the global variable stop_signal (which stores the signal from the | |
319 | attach, SIGSTOP) to the ptrace(PTRACE_CONT,...) call. This is | |
320 | problematic, because the kernel doesn't ignore such SIGSTOP | |
321 | now. I.e. it is reported back to gdb, which in turn presents it | |
322 | back to the user. | |
323 | ||
324 | To avoid the problem, we use STOP_QUIETLY_NO_SIGSTOP, which allows | |
325 | gdb to clear the value of stop_signal after the attach, so that it | |
326 | is not passed back down to the kernel. */ | |
327 | ||
328 | enum stop_kind | |
329 | { | |
330 | NO_STOP_QUIETLY = 0, | |
331 | STOP_QUIETLY, | |
b0f4b84b | 332 | STOP_QUIETLY_REMOTE, |
c54cfec8 EZ |
333 | STOP_QUIETLY_NO_SIGSTOP |
334 | }; | |
c906108c | 335 | |
b2175913 MS |
336 | /* Reverse execution. */ |
337 | enum exec_direction_kind | |
338 | { | |
339 | EXEC_FORWARD, | |
340 | EXEC_REVERSE, | |
341 | EXEC_ERROR | |
342 | }; | |
343 | ||
344 | extern enum exec_direction_kind execution_direction; | |
345 | ||
642fd101 DE |
346 | /* Save register contents here when executing a "finish" command or are |
347 | about to pop a stack dummy frame, if-and-only-if proceed_to_finish is set. | |
c906108c SS |
348 | Thus this contains the return value from the called function (assuming |
349 | values are returned in a register). */ | |
350 | ||
72cec141 | 351 | extern struct regcache *stop_registers; |
c906108c | 352 | |
237fc4c9 PA |
353 | /* True if we are debugging displaced stepping. */ |
354 | extern int debug_displaced; | |
355 | ||
356 | /* Dump LEN bytes at BUF in hex to FILE, followed by a newline. */ | |
357 | void displaced_step_dump_bytes (struct ui_file *file, | |
358 | const gdb_byte *buf, size_t len); | |
359 | ||
c906108c | 360 | \f |
faaf634c | 361 | /* Possible values for gdbarch_call_dummy_location. */ |
c906108c | 362 | #define ON_STACK 1 |
c906108c | 363 | #define AT_ENTRY_POINT 4 |
9710e734 | 364 | #define AT_SYMBOL 5 |
c906108c | 365 | |
c906108c SS |
366 | /* If STARTUP_WITH_SHELL is set, GDB's "run" |
367 | will attempts to start up the debugee under a shell. | |
368 | This is in order for argument-expansion to occur. E.g., | |
369 | (gdb) run * | |
370 | The "*" gets expanded by the shell into a list of files. | |
371 | While this is a nice feature, it turns out to interact badly | |
372 | with some of the catch-fork/catch-exec features we have added. | |
373 | In particular, if the shell does any fork/exec's before | |
374 | the exec of the target program, that can confuse GDB. | |
375 | To disable this feature, set STARTUP_WITH_SHELL to 0. | |
376 | To enable this feature, set STARTUP_WITH_SHELL to 1. | |
377 | The catch-exec traps expected during start-up will | |
378 | be 1 if target is not started up with a shell, 2 if it is. | |
379 | - RT | |
380 | If you disable this, you need to decrement | |
381 | START_INFERIOR_TRAPS_EXPECTED in tm.h. */ | |
382 | #define STARTUP_WITH_SHELL 1 | |
383 | #if !defined(START_INFERIOR_TRAPS_EXPECTED) | |
384 | #define START_INFERIOR_TRAPS_EXPECTED 2 | |
385 | #endif | |
b77209e0 PA |
386 | |
387 | struct private_inferior; | |
388 | ||
389 | /* GDB represents the state of each program execution with an object | |
390 | called an inferior. An inferior typically corresponds to a process | |
391 | but is more general and applies also to targets that do not have a | |
392 | notion of processes. Each run of an executable creates a new | |
393 | inferior, as does each attachment to an existing process. | |
394 | Inferiors have unique internal identifiers that are different from | |
395 | target process ids. Each inferior may in turn have multiple | |
396 | threads running in it. */ | |
397 | ||
398 | struct inferior | |
399 | { | |
400 | /* Pointer to next inferior in singly-linked list of inferiors. */ | |
401 | struct inferior *next; | |
402 | ||
403 | /* Convenient handle (GDB inferior id). Unique across all | |
404 | inferiors. */ | |
405 | int num; | |
406 | ||
407 | /* Actual target inferior id, usually, a process id. This matches | |
408 | the ptid_t.pid member of threads of this inferior. */ | |
409 | int pid; | |
410 | ||
d6b48e9c PA |
411 | /* See the definition of stop_kind above. */ |
412 | enum stop_kind stop_soon; | |
413 | ||
181e7f93 PA |
414 | /* Nonzero if this child process was attached rather than |
415 | forked. */ | |
416 | int attach_flag; | |
417 | ||
e0ba6746 PA |
418 | /* What is left to do for an execution command after any thread of |
419 | this inferior stops. For continuations associated with a | |
420 | specific thread, see `struct thread_info'. */ | |
421 | struct continuation *continuations; | |
422 | ||
7e1789f5 PA |
423 | /* Terminal info and state managed by inflow.c. */ |
424 | struct terminal_info *terminal_info; | |
425 | ||
b77209e0 PA |
426 | /* Private data used by the target vector implementation. */ |
427 | struct private_inferior *private; | |
a96d9b2e SDJ |
428 | |
429 | /* We keep a count of the number of times the user has requested a | |
430 | particular syscall to be tracked, and pass this information to the | |
431 | target. This lets capable targets implement filtering directly. */ | |
432 | ||
433 | /* Number of times that "any" syscall is requested. */ | |
434 | int any_syscall_count; | |
435 | ||
436 | /* Count of each system call. */ | |
437 | VEC(int) *syscalls_counts; | |
438 | ||
439 | /* This counts all syscall catch requests, so we can readily determine | |
440 | if any catching is necessary. */ | |
441 | int total_syscalls_count; | |
b77209e0 PA |
442 | }; |
443 | ||
444 | /* Create an empty inferior list, or empty the existing one. */ | |
445 | extern void init_inferior_list (void); | |
446 | ||
447 | /* Add an inferior to the inferior list, print a message that a new | |
448 | inferior is found, and return the pointer to the new inferior. | |
449 | Caller may use this pointer to initialize the private inferior | |
450 | data. */ | |
451 | extern struct inferior *add_inferior (int pid); | |
452 | ||
453 | /* Same as add_inferior, but don't print new inferior notifications to | |
454 | the CLI. */ | |
455 | extern struct inferior *add_inferior_silent (int pid); | |
456 | ||
457 | /* Delete an existing inferior list entry, due to inferior exit. */ | |
458 | extern void delete_inferior (int pid); | |
459 | ||
460 | /* Same as delete_inferior, but don't print new inferior notifications | |
461 | to the CLI. */ | |
462 | extern void delete_inferior_silent (int pid); | |
463 | ||
464 | /* Delete an existing inferior list entry, due to inferior detaching. */ | |
465 | extern void detach_inferior (int pid); | |
466 | ||
82f73884 PA |
467 | /* Get rid of all inferiors. */ |
468 | extern void discard_all_inferiors (void); | |
469 | ||
b77209e0 PA |
470 | /* Translate the integer inferior id (GDB's homegrown id, not the system's) |
471 | into a "pid" (which may be overloaded with extra inferior information). */ | |
472 | extern int gdb_inferior_id_to_pid (int); | |
473 | ||
474 | /* Translate a target 'pid' into the integer inferior id (GDB's | |
475 | homegrown id, not the system's). */ | |
476 | extern int pid_to_gdb_inferior_id (int pid); | |
477 | ||
478 | /* Boolean test for an already-known pid. */ | |
479 | extern int in_inferior_list (int pid); | |
480 | ||
481 | /* Boolean test for an already-known inferior id (GDB's homegrown id, | |
482 | not the system's). */ | |
2c0b251b | 483 | extern int valid_gdb_inferior_id (int num); |
b77209e0 PA |
484 | |
485 | /* Search function to lookup a inferior by target 'pid'. */ | |
486 | extern struct inferior *find_inferior_pid (int pid); | |
487 | ||
488 | /* Inferior iterator function. | |
489 | ||
490 | Calls a callback function once for each inferior, so long as the | |
491 | callback function returns false. If the callback function returns | |
492 | true, the iteration will end and the current inferior will be | |
493 | returned. This can be useful for implementing a search for a | |
494 | inferior with arbitrary attributes, or for applying some operation | |
495 | to every inferior. | |
496 | ||
497 | It is safe to delete the iterated inferior from the callback. */ | |
498 | extern struct inferior *iterate_over_inferiors (int (*) (struct inferior *, | |
499 | void *), | |
500 | void *); | |
501 | ||
502 | /* Prints the list of inferiors and their details on UIOUT. | |
503 | ||
504 | If REQUESTED_INFERIOR is not -1, it's the GDB id of the inferior | |
505 | that should be printed. Otherwise, all inferiors are printed. */ | |
506 | extern void print_inferior (struct ui_out *uiout, int requested_inferior); | |
507 | ||
508 | /* Returns true if the inferior list is not empty. */ | |
509 | extern int have_inferiors (void); | |
510 | ||
c35b1492 PA |
511 | /* Returns true if there are any live inferiors in the inferior list |
512 | (not cores, not executables, real live processes). */ | |
513 | extern int have_live_inferiors (void); | |
514 | ||
b77209e0 PA |
515 | /* Return a pointer to the current inferior. It is an error to call |
516 | this if there is no current inferior. */ | |
517 | extern struct inferior *current_inferior (void); | |
518 | ||
c906108c | 519 | #endif /* !defined (INFERIOR_H) */ |