binutils-gdb/gdb/gnu-nat.h
Joel Brobecker a9762ec78a Switch the license of all .c files to GPLv3.
Switch the license of all .h files to GPLv3.
        Switch the license of all .cc files to GPLv3.
2007-08-23 18:08:50 +00:00

101 lines
3.6 KiB
C

/* Common things used by the various *gnu-nat.c files
Copyright (C) 1995, 1996, 1997, 1999, 2000, 2007
Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
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.
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, see <http://www.gnu.org/licenses/>. */
#ifndef __GNU_NAT_H__
#define __GNU_NAT_H__
#include <unistd.h>
#include <mach.h>
struct inf;
extern struct inf *current_inferior;
/* 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. */
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 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;
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STATE after aborting the thread, to detect that gdb may have out-of-date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;
struct inf *inf; /* Where we come from. */
struct proc *next;
};
/* The task has a thread entry with this TID. */
#define PROC_TID_TASK (-1)
#define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK)
#define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK)
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)
extern int gnu_debug_flag;
#define debug(msg, args...) \
do { if (gnu_debug_flag) \
fprintf_unfiltered (gdb_stdlog, "%s:%d: " msg "\r\n", __FILE__ , __LINE__ , ##args); } while (0)
#endif /* __GNU_NAT_H__ */