1 /* Common things used by the various *gnu-nat.c files
2 Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007
3 Free Software Foundation, Inc.
5 Written by Miles Bader <miles@gnu.ai.mit.edu>
7 The GNU Hurd is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 The GNU Hurd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
30 extern struct inf
*current_inferior
;
32 /* Converts a GDB pid to a struct proc. */
33 struct proc
*inf_tid_to_thread (struct inf
*inf
, int tid
);
35 /* Makes sure that INF's thread list is synced with the actual process. */
36 int inf_update_procs (struct inf
*inf
);
38 /* A proc is either a thread, or the task (there can only be one task proc
39 because it always has the same TID, PROC_TID_TASK). */
42 thread_t port
; /* The task or thread port. */
43 int tid
; /* The GDB pid (actually a thread id). */
44 int num
; /* An id number for threads, to print. */
46 mach_port_t saved_exc_port
; /* The task/thread's real exception port. */
47 mach_port_t exc_port
; /* Our replacement, which for. */
49 int sc
; /* Desired suspend count. */
50 int cur_sc
; /* Implemented suspend count. */
51 int run_sc
; /* Default sc when the program is running. */
52 int pause_sc
; /* Default sc when gdb has control. */
53 int resume_sc
; /* Sc resulting from the last resume. */
54 int detach_sc
; /* SC to leave around when detaching
57 thread_state_data_t state
; /* Registers, &c. */
58 int state_valid
:1; /* True if STATE is up to date. */
61 int aborted
:1; /* True if thread_abort has been called. */
62 int dead
:1; /* We happen to know it's actually dead. */
64 /* Bit mask of registers fetched by gdb. This is used when we re-fetch
65 STATE after aborting the thread, to detect that gdb may have out-of-date
67 unsigned long fetched_regs
;
69 struct inf
*inf
; /* Where we come from. */
74 /* The task has a thread entry with this TID. */
75 #define PROC_TID_TASK (-1)
77 #define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
78 #define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
80 extern int __proc_pid (struct proc
*proc
);
82 /* Make sure that the state field in PROC is up to date, and return a
83 pointer to it, or 0 if something is wrong. If WILL_MODIFY is true,
84 makes sure that the thread is stopped and aborted first, and sets
85 the state_changed field in PROC to true. */
86 extern thread_state_t
proc_get_state (struct proc
*proc
, int will_modify
);
88 /* Return printable description of proc. */
89 extern char *proc_string (struct proc
*proc
);
91 #define proc_debug(_proc, msg, args...) \
92 do { struct proc *__proc = (_proc); \
93 debug ("{proc %d/%d %p}: " msg, \
94 __proc_pid (__proc), __proc->tid, __proc , ##args); } while (0)
96 extern int gnu_debug_flag
;
98 #define debug(msg, args...) \
99 do { if (gnu_debug_flag) \
100 fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", __FILE__ , __LINE__ , ##args); } while (0)
102 #endif /* __GNU_NAT_H__ */