mirror of
https://github.com/darlinghq/darling-gdb.git
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1e92afda99
* gdbthread.h (find_thread_id): Declare.
* thread.c (find_thread_id): Make non-static.
* mi/mi-main.c (mi_cmd_execute): Switch to the right
thread and frame, if necessary.
* mi/mi-parse.c (mi_parse): Handle --thread and --frame.
* mi/mi-parse.h (strcut mi_parse): New fields thread and frame.
246 lines
8.9 KiB
C
246 lines
8.9 KiB
C
/* 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 symtab;
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#include "breakpoint.h"
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#include "frame.h"
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#include "ui-out.h"
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#include "inferior.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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/* Non-zero means the thread is executing. Note: this is different
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from saying that there is an active target and we are stopped at
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a breakpoint, for instance. This is a real indicator whether the
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thread is off and running. */
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/* This field is internal to thread.c. Never access it directly,
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use is_executing instead. */
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int executing_;
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/* Frontend view of the thread state. Note that the RUNNING/STOPPED
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states are different from EXECUTING. When the thread is stopped
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internally while handling an internal event, like a software
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single-step breakpoint, EXECUTING will be false, but running will
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still be true. As a possible future extension, this could turn
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into enum { stopped, exited, stepping, finishing, until(ling),
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running ... } */
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/* This field is internal to thread.c. Never access it directly,
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use is_running instead. */
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int state_;
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/* If this is > 0, then it means there's code out there that relies
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on this thread being listed. Don't delete it from the lists even
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if we detect it exiting. */
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int refcount;
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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 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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/* The below are only per-thread in non-stop mode. */
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/* Per-thread command support. */
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struct continuation *continuations;
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struct continuation *intermediate_continuations;
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int proceed_to_finish;
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enum step_over_calls_kind step_over_calls;
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int stop_step;
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int step_multi;
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enum target_signal stop_signal;
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/* Used in continue_command to set the proceed count of the
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breakpoint the thread stopped at. */
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bpstat stop_bpstat;
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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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/* Same as add_thread, and sets the private info. */
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extern struct thread_info *add_thread_with_info (ptid_t ptid,
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struct private_thread_info *);
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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 an existing thread list entry, and be quiet about it. Used
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after the process this thread having belonged to having already
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exited, for example. */
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extern void delete_thread_silent (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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/* Find thread by GDB user-visible thread number. */
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struct thread_info *find_thread_id (int num);
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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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extern int thread_count (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 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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struct continuation *continuations,
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struct continuation *intermediate_continuations,
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int proceed_to_finish,
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enum step_over_calls_kind step_over_calls,
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int stop_step,
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int step_multi,
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enum target_signal stop_signal,
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bpstat stop_bpstat);
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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 *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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struct continuation **continuations,
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struct continuation **intermediate_continuations,
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int *proceed_to_finish,
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enum step_over_calls_kind *step_over_calls,
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int *stop_step,
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int *step_multi,
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enum target_signal *stop_signal,
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bpstat *stop_bpstat);
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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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/* Marks thread PTID is running, or stopped.
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If PIDGET (PTID) is -1, marks all threads. */
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extern void set_running (ptid_t ptid, int running);
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/* Reports if thread PTID is known to be running right now. */
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extern int is_running (ptid_t ptid);
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/* Reports if any thread is known to be running right now. */
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extern int any_running (void);
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/* Is this thread listed, but known to have exited? We keep it listed
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(but not visible) until it's safe to delete. */
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extern int is_exited (ptid_t ptid);
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/* Is this thread stopped? */
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extern int is_stopped (ptid_t ptid);
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/* Marks thread PTID as executing, or as stopped.
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If PIDGET (PTID) is -1, marks all threads. */
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extern void set_executing (ptid_t ptid, int executing);
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/* Reports if thread PTID is executing. */
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extern int is_executing (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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extern void print_thread_info (struct ui_out *uiout, int thread);
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extern struct cleanup *make_cleanup_restore_current_thread (void);
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#endif /* GDBTHREAD_H */
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