1 /* Common things used by the various *gnu-nat.c files
3 Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
29 extern struct inf *current_inferior;
31 /* Converts a GDB pid to a struct proc. */
32 struct proc *inf_tid_to_thread (struct inf *inf, int tid);
34 /* A proc is either a thread, or the task (there can only be one task proc
35 because it always has the same TID, PROC_TID_TASK). */
38 thread_t port; /* The task or thread port. */
39 int tid; /* The GDB pid (actually a thread id). */
40 int num; /* An id number for threads, to print. */
42 mach_port_t saved_exc_port; /* The task/thread's real exception port. */
43 mach_port_t exc_port; /* Our replacement, which for. */
45 int sc; /* Desired suspend count. */
46 int cur_sc; /* Implemented suspend count. */
47 int run_sc; /* Default sc when the program is running. */
48 int pause_sc; /* Default sc when gdb has control. */
49 int resume_sc; /* Sc resulting from the last resume. */
50 int detach_sc; /* SC to leave around when detaching
53 thread_state_data_t state; /* Registers, &c. */
54 int state_valid : 1; /* True if STATE is up to date. */
55 int state_changed : 1;
57 int aborted : 1; /* True if thread_abort has been called. */
58 int dead : 1; /* We happen to know it's actually dead. */
60 /* Bit mask of registers fetched by gdb. This is used when we re-fetch
61 STATE after aborting the thread, to detect that gdb may have out-of-date
63 unsigned long fetched_regs;
65 struct inf *inf; /* Where we come from. */
70 /* The task has a thread entry with this TID. */
71 #define PROC_TID_TASK (-1)
73 #define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
74 #define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
76 extern int __proc_pid (struct proc *proc);
78 extern thread_state_t proc_get_state (struct proc *proc, int will_modify);
80 #define proc_debug(_proc, msg, args...) \
81 do { struct proc *__proc = (_proc); \
82 debug ("{proc %d/%d %p}: " msg, \
83 __proc_pid (__proc), __proc->tid, __proc , ##args); } while (0)
86 extern int gnu_debug_flag;
87 #define debug(msg, args...) \
88 do { if (gnu_debug_flag) \
89 fprintf (stderr, "%s: " msg "\r\n", __FUNCTION__ , ##args); } while (0)
91 #define debug(msg, args...) (void)0
94 #endif /* __GNU_NAT_H__ */