121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
/* Multi-process/thread control defs for GDB, the GNU debugger.
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Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998
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Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
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Free Software Foundation, Inc.
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This file is part of GDB.
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef GDBTHREAD_H
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#define GDBTHREAD_H
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/* For bpstat */
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#include "breakpoint.h"
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extern void init_thread_list PARAMS ((void));
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extern void add_thread PARAMS ((int pid));
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extern void delete_thread PARAMS ((int));
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extern int thread_id_to_pid PARAMS ((int));
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extern int in_thread_list PARAMS ((int pid));
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extern int pid_to_thread_id PARAMS ((int pid));
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extern int valid_thread_id PARAMS ((int thread));
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extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **,
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int *, struct breakpoint **,
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struct breakpoint **, CORE_ADDR *,
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CORE_ADDR *, CORE_ADDR *, int *, int *,
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int *, bpstat *, int *));
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extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
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int, struct breakpoint *,
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struct breakpoint *, CORE_ADDR,
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CORE_ADDR, CORE_ADDR, int, int,
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int, bpstat, int));
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/* Commands with a prefix of `thread'. */
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extern struct cmd_list_element *thread_cmd_list;
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/* Support for external (remote) systems with threads (processes) */
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/* For example real time operating systems */
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#define OPAQUETHREADBYTES 8
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/* a 64 bit opaque identifier */
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typedef unsigned char threadref[OPAQUETHREADBYTES] ;
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/* WARNING: This threadref data structure comes from the remote O.S., libstub
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protocol encoding, and remote.c. it is not particularly changable */
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/* Right now, the internal structure is int. We want it to be bigger.
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Plan to fix this.
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*/
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typedef int gdb_threadref ; /* internal GDB thread reference */
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/* gdb_ext_thread_info is an internal GDB data structure which is
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equivalint to the reply of the remote threadinfo packet */
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struct gdb_ext_thread_info
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{
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threadref threadid ; /* External form of thread reference */
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int active ; /* Has state interesting to GDB? , regs, stack */
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char display[256] ; /* Brief state display, name, blocked/syspended */
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char shortname[32] ; /* To be used to name threads */
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char more_display[256] ; /* Long info, statistics, queue depth, whatever */
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} ;
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/* The volume of remote transfers can be limited by submitting
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a mask containing bits specifying the desired information.
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Use a union of these values as the 'selection' parameter to
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get_thread_info. FIXME: Make these TAG names more thread specific.
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*/
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#define TAG_THREADID 1
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#define TAG_EXISTS 2
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#define TAG_DISPLAY 4
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#define TAG_THREADNAME 8
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#define TAG_MOREDISPLAY 16
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/* Always initialize an instance of this structure using run time assignments */
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/* Because we are likely to add entrtries to it. */
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/* Alternatly, WE COULD ADD THESE TO THE TARGET VECTOR */
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struct target_thread_vector
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{
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int (*find_new_threads)PARAMS((void)) ;
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int (*get_thread_info) PARAMS((
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gdb_threadref * ref,
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int selection,
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struct gdb_ext_thread_info * info
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)) ;
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/* to_thread_alive - Already in the target vector */
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/* to_switch_thread - Done via select frame */
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} ;
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extern void bind_target_thread_vector PARAMS((struct target_thread_vector * vec)) ;
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extern struct target_thread_vector * unbind_target_thread_vector PARAMS ((void)) ;
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extern int target_get_thread_info PARAMS((
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gdb_threadref * ref,
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int selection,
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struct gdb_ext_thread_info * info)) ;
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#endif /* GDBTHREAD_H */
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