mirror of
https://github.com/bminor/binutils-gdb.git
synced 2025-12-27 17:40:49 +00:00
import gdb-1999-07-07 post reformat
This commit is contained in:
206
gdb/thread.c
206
gdb/thread.c
@@ -4,21 +4,22 @@
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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 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 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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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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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,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "symtab.h"
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@@ -35,43 +36,43 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <sys/types.h>
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#include <signal.h>
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/*#include "lynxos-core.h"*/
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/*#include "lynxos-core.h" */
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struct thread_info
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{
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struct thread_info *next;
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int pid; /* Actual process id */
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int num; /* Convenient handle */
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CORE_ADDR prev_pc; /* State from wait_for_inferior */
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CORE_ADDR prev_func_start;
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char *prev_func_name;
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struct breakpoint *step_resume_breakpoint;
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struct breakpoint *through_sigtramp_breakpoint;
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CORE_ADDR step_range_start;
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CORE_ADDR step_range_end;
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CORE_ADDR step_frame_address;
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int trap_expected;
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int handling_longjmp;
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int another_trap;
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{
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struct thread_info *next;
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int pid; /* Actual process id */
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int num; /* Convenient handle */
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CORE_ADDR prev_pc; /* State from wait_for_inferior */
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CORE_ADDR prev_func_start;
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char *prev_func_name;
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struct breakpoint *step_resume_breakpoint;
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struct breakpoint *through_sigtramp_breakpoint;
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CORE_ADDR step_range_start;
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CORE_ADDR step_range_end;
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CORE_ADDR step_frame_address;
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int trap_expected;
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int handling_longjmp;
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int another_trap;
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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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/* 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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*/
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int stepping_through_solib_after_catch;
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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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/* 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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*/
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bpstat stepping_through_solib_catchpoints;
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bpstat stepping_through_solib_catchpoints;
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/* This is set to TRUE when this thread is in a signal handler
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trampoline and we're single-stepping through it */
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int stepping_through_sigtramp;
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/* This is set to TRUE when this thread is in a signal handler
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trampoline and we're single-stepping through it */
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int stepping_through_sigtramp;
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};
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};
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/* Prototypes for exported functions. */
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@@ -82,11 +83,11 @@ void _initialize_thread PARAMS ((void));
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static struct thread_info *thread_list = NULL;
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static int highest_thread_num;
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static struct thread_info * find_thread_id PARAMS ((int num));
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static struct thread_info *find_thread_id PARAMS ((int num));
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static void thread_command PARAMS ((char * tidstr, int from_tty));
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static void thread_command PARAMS ((char *tidstr, int from_tty));
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static void thread_apply_all_command PARAMS ((char *, int));
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static int thread_alive PARAMS ((struct thread_info *));
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static int thread_alive PARAMS ((struct thread_info *));
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static void info_threads_command PARAMS ((char *, int));
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static void thread_apply_command PARAMS ((char *, int));
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static void restore_current_thread PARAMS ((int));
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@@ -126,7 +127,7 @@ add_thread (pid)
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tp->prev_func_name = NULL;
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tp->step_range_start = 0;
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tp->step_range_end = 0;
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tp->step_frame_address =0;
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tp->step_frame_address = 0;
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tp->step_resume_breakpoint = 0;
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tp->through_sigtramp_breakpoint = 0;
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tp->handling_longjmp = 0;
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@@ -166,7 +167,7 @@ delete_thread (pid)
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static struct thread_info *
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find_thread_id (num)
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int num;
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int num;
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{
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struct thread_info *tp;
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@@ -179,7 +180,7 @@ find_thread_id (num)
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int
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valid_thread_id (num)
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int num;
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int num;
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{
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struct thread_info *tp;
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@@ -192,7 +193,7 @@ valid_thread_id (num)
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int
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pid_to_thread_id (pid)
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int pid;
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int pid;
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{
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struct thread_info *tp;
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@@ -205,7 +206,7 @@ pid_to_thread_id (pid)
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int
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thread_id_to_pid (num)
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int num;
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int num;
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{
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struct thread_info *thread = find_thread_id (num);
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if (thread)
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@@ -216,7 +217,7 @@ thread_id_to_pid (num)
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int
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in_thread_list (pid)
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int pid;
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int pid;
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{
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struct thread_info *tp;
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@@ -229,14 +230,15 @@ in_thread_list (pid)
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/* Load infrun state for the thread PID. */
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void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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trap_expected, step_resume_breakpoint,
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through_sigtramp_breakpoint, step_range_start,
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step_range_end, step_frame_address,
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handling_longjmp, another_trap,
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stepping_through_solib_after_catch,
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stepping_through_solib_catchpoints,
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stepping_through_sigtramp)
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void
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load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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trap_expected, step_resume_breakpoint,
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through_sigtramp_breakpoint, step_range_start,
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step_range_end, step_frame_address,
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handling_longjmp, another_trap,
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stepping_through_solib_after_catch,
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stepping_through_solib_catchpoints,
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stepping_through_sigtramp)
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int pid;
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CORE_ADDR *prev_pc;
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CORE_ADDR *prev_func_start;
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@@ -249,9 +251,9 @@ void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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CORE_ADDR *step_frame_address;
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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 * stepping_through_sigtramp;
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int *stepping_through_solib_after_catch;
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bpstat *stepping_through_solib_catchpoints;
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int *stepping_through_sigtramp;
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{
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struct thread_info *tp;
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@@ -279,14 +281,15 @@ void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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/* Save infrun state for the thread PID. */
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void save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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trap_expected, step_resume_breakpoint,
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through_sigtramp_breakpoint, step_range_start,
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step_range_end, step_frame_address,
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handling_longjmp, another_trap,
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stepping_through_solib_after_catch,
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stepping_through_solib_catchpoints,
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stepping_through_sigtramp)
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void
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save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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trap_expected, step_resume_breakpoint,
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through_sigtramp_breakpoint, step_range_start,
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step_range_end, step_frame_address,
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handling_longjmp, another_trap,
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stepping_through_solib_after_catch,
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stepping_through_solib_catchpoints,
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stepping_through_sigtramp)
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int pid;
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CORE_ADDR prev_pc;
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CORE_ADDR prev_func_start;
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@@ -299,9 +302,9 @@ void save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
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CORE_ADDR step_frame_address;
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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 stepping_through_sigtramp;
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int stepping_through_solib_after_catch;
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bpstat stepping_through_solib_catchpoints;
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int stepping_through_sigtramp;
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{
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struct thread_info *tp;
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@@ -334,9 +337,9 @@ thread_alive (tp)
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{
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if (tp->pid == -1)
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return 0;
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if (! target_thread_alive (tp->pid))
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if (!target_thread_alive (tp->pid))
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{
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tp->pid = -1; /* Mark it as dead */
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tp->pid = -1; /* Mark it as dead */
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return 0;
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}
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return 1;
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@@ -356,7 +359,7 @@ prune_threads ()
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if (tpprev)
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tpprev->next = next;
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else
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thread_list = next;
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thread_list = next;
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free (tp);
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}
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else
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@@ -365,7 +368,7 @@ prune_threads ()
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}
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/* Print information about currently known threads
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*
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* Note: this has the drawback that it _really_ switches
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* threads, which frees the frame cache. A no-side
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* effects info-threads command would be nicer.
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@@ -377,14 +380,15 @@ info_threads_command (arg, from_tty)
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int from_tty;
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{
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struct thread_info *tp;
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int current_pid;
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struct frame_info *cur_frame;
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int saved_frame_level = selected_frame_level;
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int counter;
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int current_pid;
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struct frame_info *cur_frame;
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int saved_frame_level = selected_frame_level;
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int counter;
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/* Avoid coredumps which would happen if we tried to access a NULL
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selected_frame. */
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if (!target_has_stack) error ("No stack.");
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if (!target_has_stack)
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error ("No stack.");
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prune_threads ();
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target_find_new_threads ();
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@@ -416,8 +420,8 @@ info_threads_command (arg, from_tty)
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* back to the current thread. That switch has put us at the top
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* of the stack (leaf frame).
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*/
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counter = saved_frame_level;
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cur_frame = find_relative_frame(selected_frame, &counter);
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counter = saved_frame_level;
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cur_frame = find_relative_frame (selected_frame, &counter);
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if (counter != 0)
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{
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/* Ooops, can't restore, tell user where we are. */
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@@ -426,11 +430,11 @@ info_threads_command (arg, from_tty)
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}
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else
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{
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select_frame(cur_frame, saved_frame_level);
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select_frame (cur_frame, saved_frame_level);
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}
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/* re-show current frame. */
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show_stack_frame(cur_frame);
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show_stack_frame (cur_frame);
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}
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/* Switch from one thread to another. */
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@@ -445,7 +449,7 @@ switch_to_thread (pid)
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inferior_pid = pid;
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flush_cached_frames ();
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registers_changed ();
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stop_pc = read_pc();
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stop_pc = read_pc ();
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select_frame (get_current_frame (), 0);
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}
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@@ -453,10 +457,10 @@ static void
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restore_current_thread (pid)
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int pid;
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{
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if (pid != inferior_pid)
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if (pid != inferior_pid)
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{
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switch_to_thread (pid);
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print_stack_frame( get_current_frame(), 0, -1);
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print_stack_frame (get_current_frame (), 0, -1);
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}
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}
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@@ -464,10 +468,10 @@ restore_current_thread (pid)
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seperated list of numbers, or ranges, or the keyword `all'. Ranges consist
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of two numbers seperated by a hyphen. Examples:
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thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
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thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
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thread apply all p x/i $pc Apply x/i $pc cmd to all threads
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*/
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thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
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thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
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thread apply all p x/i $pc Apply x/i $pc cmd to all threads
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*/
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static void
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thread_apply_all_command (cmd, from_tty)
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@@ -480,7 +484,7 @@ thread_apply_all_command (cmd, from_tty)
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if (cmd == NULL || *cmd == '\000')
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error ("Please specify a command following the thread ID list");
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old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
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old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
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(void *) inferior_pid);
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for (tp = thread_list; tp; tp = tp->next)
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@@ -511,12 +515,12 @@ thread_apply_command (tidlist, from_tty)
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if (tidlist == NULL || *tidlist == '\000')
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error ("Please specify a thread ID list");
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for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++);
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for (cmd = tidlist; *cmd != '\000' && !isalpha (*cmd); cmd++);
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if (*cmd == '\000')
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error ("Please specify a command following the thread ID list");
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old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
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old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
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(void *) inferior_pid);
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while (tidlist < cmd)
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@@ -534,7 +538,7 @@ thread_apply_command (tidlist, from_tty)
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if (*tidlist == '-') /* Got a range of IDs? */
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{
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tidlist++; /* Skip the - */
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tidlist++; /* Skip the - */
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end = strtol (tidlist, &p, 10);
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if (p == tidlist)
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error ("Error parsing %s", tidlist);
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@@ -586,13 +590,13 @@ thread_command (tidstr, from_tty)
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/* Don't generate an error, just say which thread is current. */
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if (target_has_stack)
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printf_filtered ("[Current thread is %d (%s)]\n",
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pid_to_thread_id(inferior_pid),
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pid_to_thread_id (inferior_pid),
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#if defined(HPUXHPPA)
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target_tid_to_str(inferior_pid)
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target_tid_to_str (inferior_pid)
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#else
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target_pid_to_str(inferior_pid)
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target_pid_to_str (inferior_pid)
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#endif
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);
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);
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else
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error ("No stack.");
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return;
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@@ -620,7 +624,7 @@ see the IDs of currently known threads.", num);
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#else
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target_pid_to_str (inferior_pid)
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#endif
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);
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);
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print_stack_frame (selected_frame, selected_frame_level, 1);
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}
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