projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* Common things used by the various *gnu-nat.c files |
| 2 | Copyright (C) 1995, 1996 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | Written by Miles Bader <miles@gnu.ai.mit.edu> | |
| 5 | ||
| 6 | The GNU Hurd is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU General Public License as | |
| 8 | published by the Free Software Foundation; either version 2, or (at | |
| 9 | your option) any later version. | |
| 10 | ||
| 11 | The GNU Hurd is distributed in the hope that it will be useful, but | |
| 12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | #ifndef __GNU_NAT_H__ | |
| 21 | #define __GNU_NAT_H__ | |
| 22 | ||
| 23 | #include <unistd.h> | |
| 24 | #include <mach.h> | |
| 25 | ||
| 26 | struct inf; | |
| 27 | ||
| 28 | extern struct inf *current_inferior; | |
| 29 | ||
| 30 | /* Converts a GDB pid to a struct proc. */ | |
| 31 | struct proc *inf_tid_to_thread (struct inf *inf, int tid); | |
| 32 | ||
| 33 | /* A proc is either a thread, or the task (there can only be one task proc | |
| 34 | because it always has the same TID, PROC_TID_TASK). */ | |
| 35 | struct proc | |
| 36 | { | |
| 37 | thread_t port; /* The task or thread port. */ | |
| 38 | int tid; /* The GDB pid (actually a thread id). */ | |
| 39 | int num; /* An id number for threads, to print. */ | |
| 40 | ||
| 41 | mach_port_t saved_exc_port; /* The task/thread's real exception port. */ | |
| 42 | mach_port_t exc_port; /* Our replacement, which for. */ | |
| 43 | ||
| 44 | int sc; /* Desired suspend count. */ | |
| 45 | int cur_sc; /* Implemented suspend count. */ | |
| 46 | int run_sc; /* Default sc when the program is running. */ | |
| 47 | int pause_sc; /* Default sc when gdb has control. */ | |
| 48 | int resume_sc; /* Sc resulting from the last resume. */ | |
| 49 | int detach_sc; /* SC to leave around when detaching | |
| 50 | from program. */ | |
| 51 | ||
| 52 | thread_state_data_t state; /* Registers, &c. */ | |
| 53 | int state_valid : 1; /* True if STATE is up to date. */ | |
| 54 | int state_changed : 1; | |
| 55 | ||
| 56 | int aborted : 1; /* True if thread_abort has been called. */ | |
| 57 | int dead : 1; /* We happen to know it's actually dead. */ | |
| 58 | ||
| 59 | /* Bit mask of registers fetched by gdb. This is used when we re-fetch | |
| 60 | STATE after aborting the thread, to detect that gdb may have out-of-date | |
| 61 | information. */ | |
| 62 | unsigned long fetched_regs; | |
| 63 | ||
| 64 | struct inf *inf; /* Where we come from. */ | |
| 65 | ||
| 66 | struct proc *next; | |
| 67 | }; | |
| 68 | ||
| 69 | /* The task has a thread entry with this TID. */ | |
| 70 | #define PROC_TID_TASK (-1) | |
| 71 | ||
| 72 | #define proc_is_task(proc) ((proc)->tid == PROC_TID_TASK) | |
| 73 | #define proc_is_thread(proc) ((proc)->tid != PROC_TID_TASK) | |
| 74 | ||
| 75 | extern int __proc_pid (struct proc *proc); | |
| 76 | ||
| 77 | extern thread_state_t proc_get_state (struct proc *proc, int will_modify); | |
| 78 | ||
| 79 | #define proc_debug(_proc, msg, args...) \ | |
| 80 | do { struct proc *__proc = (_proc); \ | |
| 81 | debug ("{proc %d/%d %p}: " msg, \ | |
| 82 | __proc_pid (__proc), __proc->tid, __proc , ##args); } while (0) | |
| 83 | ||
| 84 | #if MAINTENANCE_CMDS | |
| 85 | extern int gnu_debug_flag; | |
| 86 | #define debug(msg, args...) \ | |
| 87 | do { if (gnu_debug_flag) \ | |
| 88 | fprintf (stderr, "%s: " msg "\r\n", __FUNCTION__ , ##args); } while (0) | |
| 89 | #else | |
| 90 | #define debug(msg, args...) (void)0 | |
| 91 | #endif | |
| 92 | ||
| 93 | #endif /* __GNU_NAT_H__ */ |