/* Common things used by the various *gnu-nat.c files
-
- Copyright (C) 1995 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
- The GNU Hurd is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2, or (at
- your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- The GNU Hurd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef __GNU_NAT_H__
#define __GNU_NAT_H__
struct inf;
-extern struct inf *current_inferior;
+extern struct inf *gnu_current_inf;
/* Converts a GDB pid to a struct proc. */
struct proc *inf_tid_to_thread (struct inf *inf, int tid);
+/* Makes sure that INF's thread list is synced with the actual process. */
+int inf_update_procs (struct inf *inf);
+
/* A proc is either a thread, or the task (there can only be one task proc
because it always has the same TID, PROC_TID_TASK). */
struct proc
-{
- thread_t port; /* The task or thread port. */
- int tid; /* The GDB pid (actually a thread id). */
- int num; /* An id number for threads, to print. */
+ {
+ thread_t port; /* The task or thread port. */
+ int tid; /* The GDB pid (actually a thread id). */
+ int num; /* An id number for threads, to print. */
- mach_port_t saved_exc_port; /* The task/thread's real exception port. */
- mach_port_t exc_port; /* Our replacement, which for. */
+ mach_port_t saved_exc_port; /* The task/thread's real exception port. */
+ mach_port_t exc_port; /* Our replacement, which for. */
- int sc; /* Desired suspend count. */
- int cur_sc; /* Implemented suspend count. */
- int run_sc; /* Default sc when the program is running. */
- int pause_sc; /* Default sc when gdb has control. */
- int resume_sc; /* Sc resulting form the last resume. */
+ int sc; /* Desired suspend count. */
+ int cur_sc; /* Implemented suspend count. */
+ int run_sc; /* Default sc when the program is running. */
+ int pause_sc; /* Default sc when gdb has control. */
+ int resume_sc; /* Sc resulting from the last resume. */
+ int detach_sc; /* SC to leave around when detaching
+ from program. */
- thread_state_data_t state; /* Registers, &c. */
- int state_valid : 1; /* True if STATE is up to date. */
- int state_changed : 1;
+ thread_state_data_t state; /* Registers, &c. */
+ int state_valid:1; /* True if STATE is up to date. */
+ int state_changed:1;
- int aborted : 1; /* True if thread_abort has been called. */
+ int aborted:1; /* True if thread_abort has been called. */
+ int dead:1; /* We happen to know it's actually dead. */
- /* Bit mask of registers fetched by gdb. This is used when we re-fetch
- STATE after aborting the thread, to detect that gdb may have out-of-date
- information. */
- unsigned long fetched_regs;
+ /* Bit mask of registers fetched by gdb. This is used when we re-fetch
+ STATE after aborting the thread, to detect that gdb may have out-of-date
+ information. */
+ unsigned long fetched_regs;
- struct inf *inf; /* Where we come from. */
+ struct inf *inf; /* Where we come from. */
- struct proc *next;
-};
+ struct proc *next;
+ };
/* The task has a thread entry with this TID. */
#define PROC_TID_TASK (-1)
extern int __proc_pid (struct proc *proc);
+/* Make sure that the state field in PROC is up to date, and return a
+ pointer to it, or 0 if something is wrong. If WILL_MODIFY is true,
+ makes sure that the thread is stopped and aborted first, and sets
+ the state_changed field in PROC to true. */
extern thread_state_t proc_get_state (struct proc *proc, int will_modify);
+/* Return printable description of proc. */
+extern char *proc_string (struct proc *proc);
+
#define proc_debug(_proc, msg, args...) \
do { struct proc *__proc = (_proc); \
- debug ("{proc %d/%d %p}: " msg, \
- __proc_pid (__proc), __proc->tid, __proc , ##args); } while (0)
+ debug ("{proc %d/%d %s}: " msg, \
+ __proc_pid (__proc), __proc->tid, \
+ host_address_to_string (__proc) , ##args); } while (0)
-#if MAINTENANCE_CMDS
extern int gnu_debug_flag;
+
#define debug(msg, args...) \
do { if (gnu_debug_flag) \
- fprintf (stderr, "%s: " msg "\r\n", __FUNCTION__ , ##args); } while (0)
-#else
-#define debug(msg, args...) (void)0
-#endif
+ fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", __FILE__ , __LINE__ , ##args); } while (0)
+
+/* Create a prototype generic GNU/Hurd target. The client can
+ override it with local methods. */
+struct target_ops *gnu_target (void);
#endif /* __GNU_NAT_H__ */