1 /* Copyright (C) 1986-2014 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 struct target_waitstatus;
28 /* True if we are debugging run control. */
29 extern unsigned int debug_infrun;
31 /* True if we are debugging displaced stepping. */
32 extern int debug_displaced;
34 /* Nonzero if we want to give control to the user when we're notified
35 of shared library events by the dynamic linker. */
36 extern int stop_on_solib_events;
38 /* Are we simulating synchronous execution? This is used in async gdb
39 to implement the 'run', 'continue' etc commands, which will not
40 redisplay the prompt until the execution is actually over. */
41 extern int sync_execution;
43 /* True if execution commands resume all threads of all processes by
44 default; otherwise, resume only threads of the current inferior
46 extern int sched_multi;
48 /* When set, stop the 'step' command if we enter a function which has
49 no line number information. The normal behavior is that we step
50 over such function. */
51 extern int step_stop_if_no_debug;
53 /* If set, the inferior should be controlled in non-stop mode. In
54 this mode, each thread is controlled independently. Execution
55 commands apply only to the selected thread by default, and stop
56 events stop only the thread that had the event -- the other threads
57 are kept running freely. */
60 /* When set (default), the target should attempt to disable the
61 operating system's address space randomization feature when
62 starting an inferior. */
63 extern int disable_randomization;
65 /* Reverse execution. */
66 enum exec_direction_kind
72 /* The current execution direction. This should only be set to enum
73 exec_direction_kind values. It is only an int to make it
74 compatible with make_cleanup_restore_integer. */
75 extern int execution_direction;
77 /* Save register contents here when executing a "finish" command or
78 are about to pop a stack dummy frame, if-and-only-if
79 proceed_to_finish is set. Thus this contains the return value from
80 the called function (assuming values are returned in a
82 extern struct regcache *stop_registers;
84 extern void start_remote (int from_tty);
86 extern void clear_proceed_status (void);
88 extern void proceed (CORE_ADDR, enum gdb_signal, int);
90 /* The `resume' routine should only be called in special circumstances.
91 Normally, use `proceed', which handles a lot of bookkeeping. */
92 extern void resume (int, enum gdb_signal);
94 extern ptid_t user_visible_resume_ptid (int step);
96 extern void wait_for_inferior (void);
98 extern void normal_stop (void);
100 extern void get_last_target_status (ptid_t *ptid,
101 struct target_waitstatus *status);
103 extern void prepare_for_detach (void);
105 extern void fetch_inferior_event (void *);
107 extern void init_wait_for_inferior (void);
109 extern void insert_step_resume_breakpoint_at_sal (struct gdbarch *,
110 struct symtab_and_line ,
113 extern void follow_inferior_reset_breakpoints (void);
115 /* Returns true if we're trying to step past the instruction at
116 ADDRESS in ASPACE. */
117 extern int stepping_past_instruction_at (struct address_space *aspace,
120 extern void set_step_info (struct frame_info *frame,
121 struct symtab_and_line sal);
123 extern void print_stop_event (struct target_waitstatus *ws);
125 extern int signal_stop_state (int);
127 extern int signal_print_state (int);
129 extern int signal_pass_state (int);
131 extern int signal_stop_update (int, int);
133 extern int signal_print_update (int, int);
135 extern int signal_pass_update (int, int);
137 extern void update_signals_program_target (void);
139 /* Clear the convenience variables associated with the exit of the
140 inferior. Currently, those variables are $_exitcode and
142 extern void clear_exit_convenience_vars (void);
144 /* Dump LEN bytes at BUF in hex to FILE, followed by a newline. */
145 extern void displaced_step_dump_bytes (struct ui_file *file,
146 const gdb_byte *buf, size_t len);
148 extern struct displaced_step_closure *get_displaced_step_closure_by_addr
151 extern void update_observer_mode (void);
153 extern void signal_catch_update (const unsigned int *);
155 /* In some circumstances we allow a command to specify a numeric
156 signal. The idea is to keep these circumstances limited so that
157 users (and scripts) develop portable habits. For comparison,
158 POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
159 numeric signal at all is obsolescent. We are slightly more lenient
160 and allow 1-15 which should match host signal numbers on most
161 systems. Use of symbolic signal names is strongly encouraged. */
162 enum gdb_signal gdb_signal_from_command (int num);
164 #endif /* INFRUN_H */