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Diffstat (limited to 'gdb/gnu-nat.h')
| -rw-r--r-- | gdb/gnu-nat.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gdb/gnu-nat.h b/gdb/gnu-nat.h new file mode 100644 index 0000000..d238dc0 --- /dev/null +++ b/gdb/gnu-nat.h @@ -0,0 +1,93 @@ +/* Common things used by the various *gnu-nat.c files + Copyright (C) 1995, 1996 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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); + +/* 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); + +extern thread_state_t proc_get_state (struct proc *proc, int will_modify); + +#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) + +#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 + +#endif /* __GNU_NAT_H__ */ |