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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [gnu-nat.h] - Blame information for rev 842

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1 227 jeremybenn
/* Common things used by the various *gnu-nat.c files
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   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   Written by Miles Bader <miles@gnu.ai.mit.edu>
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#ifndef __GNU_NAT_H__
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#define __GNU_NAT_H__
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#include <unistd.h>
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#include <mach.h>
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struct inf;
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extern struct inf *gnu_current_inf;
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/* Converts a GDB pid to a struct proc.  */
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struct proc *inf_tid_to_thread (struct inf *inf, int tid);
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/* Makes sure that INF's thread list is synced with the actual process.  */
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int inf_update_procs (struct inf *inf);
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/* A proc is either a thread, or the task (there can only be one task proc
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   because it always has the same TID, PROC_TID_TASK).  */
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struct proc
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  {
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    thread_t port;              /* The task or thread port.  */
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    int tid;                    /* The GDB pid (actually a thread id).  */
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    int num;                    /* An id number for threads, to print.  */
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    mach_port_t saved_exc_port; /* The task/thread's real exception port.  */
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    mach_port_t exc_port;       /* Our replacement, which for.  */
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    int sc;                     /* Desired suspend count.   */
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    int cur_sc;                 /* Implemented suspend count.  */
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    int run_sc;                 /* Default sc when the program is running. */
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    int pause_sc;               /* Default sc when gdb has control. */
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    int resume_sc;              /* Sc resulting from the last resume. */
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    int detach_sc;              /* SC to leave around when detaching
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                                   from program. */
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    thread_state_data_t state;  /* Registers, &c. */
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    int state_valid:1;          /* True if STATE is up to date. */
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    int state_changed:1;
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    int aborted:1;              /* True if thread_abort has been called.  */
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    int dead:1;                 /* We happen to know it's actually dead. */
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    /* Bit mask of registers fetched by gdb.  This is used when we re-fetch
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       STATE after aborting the thread, to detect that gdb may have out-of-date
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       information.  */
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    unsigned long fetched_regs;
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    struct inf *inf;            /* Where we come from.  */
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    struct proc *next;
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  };
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/* The task has a thread entry with this TID.  */
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#define PROC_TID_TASK   (-1)
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#define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
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#define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
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extern int __proc_pid (struct proc *proc);
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/* Make sure that the state field in PROC is up to date, and return a
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   pointer to it, or 0 if something is wrong.  If WILL_MODIFY is true,
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   makes sure that the thread is stopped and aborted first, and sets
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   the state_changed field in PROC to true.  */
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extern thread_state_t proc_get_state (struct proc *proc, int will_modify);
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/* Return printable description of proc.  */
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extern char *proc_string (struct proc *proc);
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#define proc_debug(_proc, msg, args...) \
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  do { struct proc *__proc = (_proc); \
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       debug ("{proc %d/%d %s}: " msg, \
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              __proc_pid (__proc), __proc->tid, \
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              host_address_to_string (__proc) , ##args); } while (0)
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extern int gnu_debug_flag;
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#define debug(msg, args...) \
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 do { if (gnu_debug_flag) \
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        fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", __FILE__ , __LINE__ , ##args); } while (0)
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/* Create a prototype generic GNU/Hurd target.  The client can
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   override it with local methods.  */
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struct target_ops *gnu_target (void);
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#endif /* __GNU_NAT_H__ */

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