| /* Common things used by the various *gnu-nat.c files |
| Copyright (C) 1995, 1996, 1997, 1999, 2000 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. |
| |
| 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. |
| |
| 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., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #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__ */ |