/* Multi-process/thread control defs for GDB, the GNU debugger.
- Copyright 1987, 88, 89, 90, 91, 92, 1993, 1998
-
+ Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1997, 1998, 1999,
+ 2000, 2007, 2008 Free Software Foundation, Inc.
Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
- Free Software Foundation, Inc.
+
This file is part of GDB.
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 2 of the License, or
+ 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef GDBTHREAD_H
#define GDBTHREAD_H
+struct breakpoint;
+struct frame_id;
+struct symtab;
+
/* For bpstat */
#include "breakpoint.h"
-extern void init_thread_list PARAMS ((void));
-
-extern void add_thread PARAMS ((int pid));
-
-extern void delete_thread PARAMS ((int));
-
-extern int thread_id_to_pid PARAMS ((int));
-
-extern int in_thread_list PARAMS ((int pid));
-
-extern int pid_to_thread_id PARAMS ((int pid));
-
-extern int valid_thread_id PARAMS ((int thread));
-
-extern void load_infrun_state PARAMS ((int, CORE_ADDR *, CORE_ADDR *, char **,
- int *, struct breakpoint **,
- struct breakpoint **, CORE_ADDR *,
- CORE_ADDR *, CORE_ADDR *, int *, int *,
- int *, bpstat *, int *));
-
-extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
- int, struct breakpoint *,
- struct breakpoint *, CORE_ADDR,
- CORE_ADDR, CORE_ADDR, int, int,
- int, bpstat, int));
+/* For struct frame_id. */
+#include "frame.h"
+
+struct thread_info
+{
+ struct thread_info *next;
+ ptid_t ptid; /* "Actual process id";
+ In fact, this may be overloaded with
+ kernel thread id, etc. */
+ int num; /* Convenient handle (GDB thread id) */
+ /* State from wait_for_inferior */
+ CORE_ADDR prev_pc;
+ struct breakpoint *step_resume_breakpoint;
+ CORE_ADDR step_range_start;
+ CORE_ADDR step_range_end;
+ struct frame_id step_frame_id;
+ int current_line;
+ struct symtab *current_symtab;
+ int trap_expected;
+ int handling_longjmp;
+ int stepping_over_breakpoint;
+
+ /* This is set TRUE when a catchpoint of a shared library event
+ triggers. Since we don't wish to leave the inferior in the
+ solib hook when we report the event, we step the inferior
+ back to user code before stopping and reporting the event. */
+ int stepping_through_solib_after_catch;
+
+ /* When stepping_through_solib_after_catch is TRUE, this is a
+ list of the catchpoints that should be reported as triggering
+ when we finally do stop stepping. */
+ bpstat stepping_through_solib_catchpoints;
+
+ /* Private data used by the target vector implementation. */
+ struct private_thread_info *private;
+};
+
+/* Create an empty thread list, or empty the existing one. */
+extern void init_thread_list (void);
+
+/* Add a thread to the thread list, print a message
+ that a new thread is found, and return the pointer to
+ the new thread. Caller my use this pointer to
+ initialize the private thread data. */
+extern struct thread_info *add_thread (ptid_t ptid);
+
+/* Same as add_thread, but does not print a message
+ about new thread. */
+extern struct thread_info *add_thread_silent (ptid_t ptid);
+
+/* Delete an existing thread list entry. */
+extern void delete_thread (ptid_t);
+
+/* Delete a step_resume_breakpoint from the thread database. */
+extern void delete_step_resume_breakpoint (void *);
+
+/* Translate the integer thread id (GDB's homegrown id, not the system's)
+ into a "pid" (which may be overloaded with extra thread information). */
+extern ptid_t thread_id_to_pid (int);
+
+/* Translate a 'pid' (which may be overloaded with extra thread information)
+ into the integer thread id (GDB's homegrown id, not the system's). */
+extern int pid_to_thread_id (ptid_t ptid);
+
+/* Boolean test for an already-known pid (which may be overloaded with
+ extra thread information). */
+extern int in_thread_list (ptid_t ptid);
+
+/* Boolean test for an already-known thread id (GDB's homegrown id,
+ not the system's). */
+extern int valid_thread_id (int thread);
+
+/* Search function to lookup a thread by 'pid'. */
+extern struct thread_info *find_thread_pid (ptid_t ptid);
+
+/* Iterator function to call a user-provided callback function
+ once for each known thread. */
+typedef int (*thread_callback_func) (struct thread_info *, void *);
+extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
+
+/* infrun context switch: save the debugger state for the given thread. */
+extern void save_infrun_state (ptid_t ptid,
+ CORE_ADDR prev_pc,
+ int trap_expected,
+ struct breakpoint *step_resume_breakpoint,
+ CORE_ADDR step_range_start,
+ CORE_ADDR step_range_end,
+ const struct frame_id *step_frame_id,
+ int handling_longjmp,
+ int another_trap,
+ int stepping_through_solib_after_catch,
+ bpstat stepping_through_solib_catchpoints,
+ int current_line,
+ struct symtab *current_symtab);
+
+/* infrun context switch: load the debugger state previously saved
+ for the given thread. */
+extern void load_infrun_state (ptid_t ptid,
+ CORE_ADDR *prev_pc,
+ int *trap_expected,
+ struct breakpoint **step_resume_breakpoint,
+ CORE_ADDR *step_range_start,
+ CORE_ADDR *step_range_end,
+ struct frame_id *step_frame_id,
+ int *handling_longjmp,
+ int *another_trap,
+ int *stepping_through_solib_affter_catch,
+ bpstat *stepping_through_solib_catchpoints,
+ int *current_line,
+ struct symtab **current_symtab);
+
+/* Switch from one thread to another. */
+extern void switch_to_thread (ptid_t ptid);
/* Commands with a prefix of `thread'. */
extern struct cmd_list_element *thread_cmd_list;
+/* Print notices on thread events (attach, detach, etc.), set with
+ `set print thread-events'. */
+extern int print_thread_events;
+
#endif /* GDBTHREAD_H */
projects / deliverable / binutils-gdb.git / blobdiff