1 /* Common things used by the various *gnu-nat.c files
2 Copyright (C) 1995-2014 Free Software Foundation, Inc.
4 Written by Miles Bader <miles@gnu.ai.mit.edu>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 extern struct inf *gnu_current_inf;
29 /* Converts a GDB pid to a struct proc. */
30 struct proc *inf_tid_to_thread (struct inf *inf, int tid);
32 /* Makes sure that INF's thread list is synced with the actual process. */
33 int inf_update_procs (struct inf *inf);
35 /* A proc is either a thread, or the task (there can only be one task proc
36 because it always has the same TID, PROC_TID_TASK). */
39 thread_t port; /* The task or thread port. */
40 int tid; /* The GDB pid (actually a thread id). */
41 int num; /* An id number for threads, to print. */
43 mach_port_t saved_exc_port; /* The task/thread's real exception port. */
44 mach_port_t exc_port; /* Our replacement, which for. */
46 int sc; /* Desired suspend count. */
47 int cur_sc; /* Implemented suspend count. */
48 int run_sc; /* Default sc when the program is running. */
49 int pause_sc; /* Default sc when gdb has control. */
50 int resume_sc; /* Sc resulting from the last resume. */
51 int detach_sc; /* SC to leave around when detaching
54 thread_state_data_t state; /* Registers, &c. */
55 int state_valid:1; /* True if STATE is up to date. */
58 int aborted:1; /* True if thread_abort has been called. */
59 int dead:1; /* We happen to know it's actually dead. */
61 /* Bit mask of registers fetched by gdb. This is used when we re-fetch
62 STATE after aborting the thread, to detect that gdb may have out-of-date
64 unsigned long fetched_regs;
66 struct inf *inf; /* Where we come from. */
71 /* The task has a thread entry with this TID. */
72 #define PROC_TID_TASK (-1)
74 #define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
75 #define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
77 extern int __proc_pid (struct proc *proc);
79 /* Make sure that the state field in PROC is up to date, and return a
80 pointer to it, or 0 if something is wrong. If WILL_MODIFY is true,
81 makes sure that the thread is stopped and aborted first, and sets
82 the state_changed field in PROC to true. */
83 extern thread_state_t proc_get_state (struct proc *proc, int will_modify);
85 /* Return printable description of proc. */
86 extern char *proc_string (struct proc *proc);
88 #define proc_debug(_proc, msg, args...) \
89 do { struct proc *__proc = (_proc); \
90 debug ("{proc %d/%d %s}: " msg, \
91 __proc_pid (__proc), __proc->tid, \
92 host_address_to_string (__proc) , ##args); } while (0)
94 extern int gnu_debug_flag;
96 #define debug(msg, args...) \
97 do { if (gnu_debug_flag) \
98 fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", \
99 __FILE__ , __LINE__ , ##args); } while (0)
101 /* Create a prototype generic GNU/Hurd target. The client can
102 override it with local methods. */
103 struct target_ops *gnu_target (void);
105 #endif /* __GNU_NAT_H__ */