1 /* Common things used by the various *gnu-nat.c files
2 Copyright (C) 1995, 1996 Free Software Foundation, Inc.
4 Written by Miles Bader <miles@gnu.ai.mit.edu>
6 The GNU Hurd is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License as
8 published by the Free Software Foundation; either version 2, or (at
9 your option) any later version.
11 The GNU Hurd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 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, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 extern struct inf
*current_inferior
;
30 /* Converts a GDB pid to a struct proc. */
31 struct proc
*inf_tid_to_thread (struct inf
*inf
, int tid
);
33 /* A proc is either a thread, or the task (there can only be one task proc
34 because it always has the same TID, PROC_TID_TASK). */
37 thread_t port
; /* The task or thread port. */
38 int tid
; /* The GDB pid (actually a thread id). */
39 int num
; /* An id number for threads, to print. */
41 mach_port_t saved_exc_port
; /* The task/thread's real exception port. */
42 mach_port_t exc_port
; /* Our replacement, which for. */
44 int sc
; /* Desired suspend count. */
45 int cur_sc
; /* Implemented suspend count. */
46 int run_sc
; /* Default sc when the program is running. */
47 int pause_sc
; /* Default sc when gdb has control. */
48 int resume_sc
; /* Sc resulting from the last resume. */
49 int detach_sc
; /* SC to leave around when detaching
52 thread_state_data_t state
; /* Registers, &c. */
53 int state_valid
: 1; /* True if STATE is up to date. */
54 int state_changed
: 1;
56 int aborted
: 1; /* True if thread_abort has been called. */
57 int dead
: 1; /* We happen to know it's actually dead. */
59 /* Bit mask of registers fetched by gdb. This is used when we re-fetch
60 STATE after aborting the thread, to detect that gdb may have out-of-date
62 unsigned long fetched_regs
;
64 struct inf
*inf
; /* Where we come from. */
69 /* The task has a thread entry with this TID. */
70 #define PROC_TID_TASK (-1)
72 #define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
73 #define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
75 extern int __proc_pid (struct proc
*proc
);
77 extern thread_state_t
proc_get_state (struct proc
*proc
, int will_modify
);
79 #define proc_debug(_proc, msg, args...) \
80 do { struct proc *__proc = (_proc); \
81 debug ("{proc %d/%d %p}: " msg, \
82 __proc_pid (__proc), __proc->tid, __proc , ##args); } while (0)
85 extern int gnu_debug_flag
;
86 #define debug(msg, args...) \
87 do { if (gnu_debug_flag) \
88 fprintf (stderr, "%s: " msg "\r\n", __FUNCTION__ , ##args); } while (0)
90 #define debug(msg, args...) (void)0
93 #endif /* __GNU_NAT_H__ */