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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [gdbthread.h] - Blame information for rev 157

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1 24 jeremybenn
/* Multi-process/thread control defs for GDB, the GNU debugger.
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   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1997, 1998, 1999,
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   2000, 2007, 2008 Free Software Foundation, Inc.
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   Contributed by Lynx Real-Time Systems, Inc.  Los Gatos, CA.
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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 3 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, see <http://www.gnu.org/licenses/>.  */
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#ifndef GDBTHREAD_H
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#define GDBTHREAD_H
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struct breakpoint;
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struct frame_id;
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struct symtab;
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/* For bpstat */
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#include "breakpoint.h"
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/* For struct frame_id.  */
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#include "frame.h"
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struct thread_info
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{
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  struct thread_info *next;
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  ptid_t ptid;                  /* "Actual process id";
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                                    In fact, this may be overloaded with
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                                    kernel thread id, etc.  */
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  int num;                      /* Convenient handle (GDB thread id) */
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  /* State from wait_for_inferior */
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  CORE_ADDR prev_pc;
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  struct breakpoint *step_resume_breakpoint;
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  CORE_ADDR step_range_start;
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  CORE_ADDR step_range_end;
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  struct frame_id step_frame_id;
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  int current_line;
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  struct symtab *current_symtab;
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  int trap_expected;
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  int handling_longjmp;
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  int stepping_over_breakpoint;
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  /* This is set TRUE when a catchpoint of a shared library event
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     triggers.  Since we don't wish to leave the inferior in the
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     solib hook when we report the event, we step the inferior
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     back to user code before stopping and reporting the event.  */
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  int stepping_through_solib_after_catch;
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  /* When stepping_through_solib_after_catch is TRUE, this is a
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     list of the catchpoints that should be reported as triggering
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     when we finally do stop stepping.  */
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  bpstat stepping_through_solib_catchpoints;
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  /* Private data used by the target vector implementation.  */
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  struct private_thread_info *private;
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};
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/* Create an empty thread list, or empty the existing one.  */
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extern void init_thread_list (void);
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/* Add a thread to the thread list, print a message
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   that a new thread is found, and return the pointer to
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   the new thread.  Caller my use this pointer to
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   initialize the private thread data.  */
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extern struct thread_info *add_thread (ptid_t ptid);
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/* Same as add_thread, but does not print a message
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   about new thread.  */
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extern struct thread_info *add_thread_silent (ptid_t ptid);
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/* Delete an existing thread list entry.  */
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extern void delete_thread (ptid_t);
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/* Delete a step_resume_breakpoint from the thread database. */
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extern void delete_step_resume_breakpoint (void *);
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/* Translate the integer thread id (GDB's homegrown id, not the system's)
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   into a "pid" (which may be overloaded with extra thread information).  */
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extern ptid_t thread_id_to_pid (int);
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/* Translate a 'pid' (which may be overloaded with extra thread information)
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   into the integer thread id (GDB's homegrown id, not the system's).  */
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extern int pid_to_thread_id (ptid_t ptid);
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/* Boolean test for an already-known pid (which may be overloaded with
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   extra thread information).  */
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extern int in_thread_list (ptid_t ptid);
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/* Boolean test for an already-known thread id (GDB's homegrown id,
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   not the system's).  */
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extern int valid_thread_id (int thread);
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/* Search function to lookup a thread by 'pid'.  */
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extern struct thread_info *find_thread_pid (ptid_t ptid);
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/* Iterator function to call a user-provided callback function
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   once for each known thread.  */
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typedef int (*thread_callback_func) (struct thread_info *, void *);
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extern struct thread_info *iterate_over_threads (thread_callback_func, void *);
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/* infrun context switch: save the debugger state for the given thread.  */
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extern void save_infrun_state (ptid_t ptid,
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                               CORE_ADDR prev_pc,
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                               int       trap_expected,
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                               struct breakpoint *step_resume_breakpoint,
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                               CORE_ADDR step_range_start,
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                               CORE_ADDR step_range_end,
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                               const struct frame_id *step_frame_id,
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                               int       handling_longjmp,
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                               int       another_trap,
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                               int       stepping_through_solib_after_catch,
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                               bpstat    stepping_through_solib_catchpoints,
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                               int       current_line,
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                               struct symtab *current_symtab);
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/* infrun context switch: load the debugger state previously saved
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   for the given thread.  */
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extern void load_infrun_state (ptid_t ptid,
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                               CORE_ADDR *prev_pc,
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                               int       *trap_expected,
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                               struct breakpoint **step_resume_breakpoint,
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                               CORE_ADDR *step_range_start,
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                               CORE_ADDR *step_range_end,
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                               struct frame_id *step_frame_id,
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                               int       *handling_longjmp,
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                               int       *another_trap,
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                               int       *stepping_through_solib_affter_catch,
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                               bpstat    *stepping_through_solib_catchpoints,
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                               int       *current_line,
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                               struct symtab **current_symtab);
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/* Switch from one thread to another.  */
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extern void switch_to_thread (ptid_t ptid);
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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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/* Print notices on thread events (attach, detach, etc.), set with
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   `set print thread-events'.  */
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extern int print_thread_events;
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#endif /* GDBTHREAD_H */

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