1999-04-16 03:35:26 +02:00
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/* Low level Unix child interface to ptrace, for GDB when running under Unix.
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2002-01-19 04:32:43 +01:00
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Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
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2004-07-31 07:05:05 +02:00
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1998, 1999, 2000, 2001, 2002, 2004
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1999-04-16 03:35:26 +02:00
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Free Software Foundation, Inc.
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1999-07-07 22:19:36 +02:00
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This file is part of GDB.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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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1999-04-16 03:35:26 +02:00
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#include "defs.h"
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2004-08-22 21:03:41 +02:00
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#include "command.h"
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1999-04-16 03:35:26 +02:00
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#include "frame.h"
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2004-08-22 21:03:41 +02:00
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#include "gdbcore.h"
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1999-04-16 03:35:26 +02:00
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#include "inferior.h"
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2001-03-01 02:39:22 +01:00
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#include "regcache.h"
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2004-08-22 21:03:41 +02:00
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#include "target.h"
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1999-12-22 22:45:38 +01:00
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2004-08-22 21:03:41 +02:00
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#include "gdb_assert.h"
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2000-02-09 09:52:47 +01:00
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#include "gdb_wait.h"
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2004-08-22 21:03:41 +02:00
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#include "gdb_string.h"
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1999-04-16 03:35:26 +02:00
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#include <sys/param.h>
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2000-05-25 08:49:01 +02:00
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#include "gdb_dirent.h"
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1999-04-16 03:35:26 +02:00
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#include <signal.h>
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#include <sys/ioctl.h>
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2004-08-21 10:56:38 +02:00
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#include "gdb_ptrace.h"
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1999-04-16 03:35:26 +02:00
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2004-08-06 22:47:25 +02:00
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#ifdef HAVE_SYS_FILE_H
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1999-04-16 03:35:26 +02:00
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#include <sys/file.h>
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#endif
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2004-08-22 17:35:02 +02:00
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1999-04-16 03:35:26 +02:00
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#if !defined (FETCH_INFERIOR_REGISTERS)
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#include <sys/user.h> /* Probably need to poke the user structure */
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#endif /* !FETCH_INFERIOR_REGISTERS */
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#if !defined (CHILD_XFER_MEMORY)
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2000-05-28 03:12:42 +02:00
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static void udot_info (char *, int);
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1999-04-16 03:35:26 +02:00
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#endif
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2000-05-28 03:12:42 +02:00
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void _initialize_infptrace (void);
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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1999-04-16 03:35:26 +02:00
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int
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2004-08-16 17:27:54 +02:00
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call_ptrace (int request, int pid, PTRACE_ARG3_TYPE addr, int data)
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1999-04-16 03:35:26 +02:00
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{
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2004-11-20 17:52:22 +01:00
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return ptrace (request, pid, addr, data);
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1999-04-16 03:35:26 +02:00
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}
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/* Wait for a process to finish, possibly running a target-specific
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hook before returning. */
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2004-09-29 17:55:55 +02:00
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/* NOTE: cagney: 2004-09-29: Dependant on the native configuration,
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"hppah-nat.c" may either call this or infttrace.c's implementation
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of ptrace_wait. See "hppahpux.mh". */
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1999-04-16 03:35:26 +02:00
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int
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2001-05-04 06:15:33 +02:00
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ptrace_wait (ptid_t ptid, int *status)
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1999-04-16 03:35:26 +02:00
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{
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int wstate;
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wstate = wait (status);
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return wstate;
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}
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2004-09-20 18:39:35 +02:00
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#ifndef DEPRECATED_KILL_INFERIOR
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/* NOTE: cagney/2004-09-12: Instead of definining this macro, code
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should call inf_ptrace_target to get a basic ptrace target and then
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locally update any necessary methods. See ppcnbsd-nat.c. */
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1999-04-16 03:35:26 +02:00
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void
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2000-07-30 03:48:28 +02:00
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kill_inferior (void)
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1999-04-16 03:35:26 +02:00
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{
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int status;
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2001-05-04 06:15:33 +02:00
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int pid = PIDGET (inferior_ptid);
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1999-04-16 03:35:26 +02:00
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2001-05-04 06:15:33 +02:00
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if (pid == 0)
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1999-04-16 03:35:26 +02:00
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return;
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/* This once used to call "kill" to kill the inferior just in case
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the inferior was still running. As others have noted in the past
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(kingdon) there shouldn't be any way to get here if the inferior
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is still running -- else there's a major problem elsewere in gdb
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and it needs to be fixed.
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The kill call causes problems under hpux10, so it's been removed;
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if this causes problems we'll deal with them as they arise. */
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2004-08-15 01:14:34 +02:00
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ptrace (PT_KILL, pid, (PTRACE_TYPE_ARG3) 0, 0);
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2004-09-29 21:03:44 +02:00
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wait (&status);
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1999-04-16 03:35:26 +02:00
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target_mourn_inferior ();
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}
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2004-09-20 18:39:35 +02:00
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#endif /* DEPRECATED_KILL_INFERIOR */
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1999-04-16 03:35:26 +02:00
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2004-09-20 18:39:35 +02:00
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#ifndef DEPRECATED_CHILD_RESUME
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/* NOTE: cagney/2004-09-12: Instead of definining this macro, code
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should call inf_ptrace_target to get a basic ptrace target and then
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locally update any necessary methods. See ppcnbsd-nat.c. */
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1999-04-16 03:35:26 +02:00
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/* Resume execution of the inferior process.
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If STEP is nonzero, single-step it.
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If SIGNAL is nonzero, give it that signal. */
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void
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2001-05-04 06:15:33 +02:00
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child_resume (ptid_t ptid, int step, enum target_signal signal)
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1999-04-16 03:35:26 +02:00
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{
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2004-08-22 21:03:41 +02:00
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int request = PT_CONTINUE;
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2001-05-04 06:15:33 +02:00
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int pid = PIDGET (ptid);
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1999-04-16 03:35:26 +02:00
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if (pid == -1)
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/* Resume all threads. */
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/* I think this only gets used in the non-threaded case, where "resume
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2001-05-04 06:15:33 +02:00
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all threads" and "resume inferior_ptid" are the same. */
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pid = PIDGET (inferior_ptid);
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1999-04-16 03:35:26 +02:00
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if (step)
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{
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2004-08-22 21:03:41 +02:00
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/* If this system does not support PT_STEP, a higher level
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function will have called single_step() to transmute the step
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request into a continue request (by setting breakpoints on
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all possible successor instructions), so we don't have to
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worry about that here. */
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gdb_assert (!SOFTWARE_SINGLE_STEP_P ());
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request = PT_STEP;
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1999-04-16 03:35:26 +02:00
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}
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2004-08-22 21:03:41 +02:00
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/* An address of (PTRACE_TYPE_ARG3)1 tells ptrace to continue from
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where it was. If GDB wanted it to start some other way, we have
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already written a new PC value to the child. */
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errno = 0;
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ptrace (request, pid, (PTRACE_TYPE_ARG3)1, target_signal_to_host (signal));
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if (errno != 0)
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2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 19:13:55 +01:00
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perror_with_name (("ptrace"));
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1999-04-16 03:35:26 +02:00
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}
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2004-09-20 18:39:35 +02:00
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#endif /* DEPRECATED_CHILD_RESUME */
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1999-04-16 03:35:26 +02:00
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2004-08-22 21:03:41 +02:00
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1999-04-16 03:35:26 +02:00
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/* Start debugging the process whose number is PID. */
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2004-08-22 21:03:41 +02:00
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1999-04-16 03:35:26 +02:00
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int
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2000-07-30 03:48:28 +02:00
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attach (int pid)
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1999-04-16 03:35:26 +02:00
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{
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2004-06-08 21:58:15 +02:00
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#ifdef PT_ATTACH
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2004-08-21 10:56:38 +02:00
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errno = 0;
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2004-08-15 01:14:34 +02:00
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ptrace (PT_ATTACH, pid, (PTRACE_TYPE_ARG3) 0, 0);
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2004-08-22 21:03:41 +02:00
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if (errno != 0)
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2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 19:13:55 +01:00
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perror_with_name (("ptrace"));
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1999-04-16 03:35:26 +02:00
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attach_flag = 1;
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return pid;
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2004-06-08 21:58:15 +02:00
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#else
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2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
|
error (_("This system does not support attaching to a process"));
|
2004-06-08 21:58:15 +02:00
|
|
|
|
#endif
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
2004-08-22 21:03:41 +02:00
|
|
|
|
/* Stop debugging the process whose number is PID and continue it with
|
|
|
|
|
signal number SIGNAL. SIGNAL = 0 means just continue it. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
detach (int signal)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-06-08 21:58:15 +02:00
|
|
|
|
#ifdef PT_DETACH
|
2004-08-22 21:03:41 +02:00
|
|
|
|
int pid = PIDGET (inferior_ptid);
|
|
|
|
|
|
2004-08-21 10:56:38 +02:00
|
|
|
|
errno = 0;
|
2004-08-22 21:03:41 +02:00
|
|
|
|
ptrace (PT_DETACH, pid, (PTRACE_TYPE_ARG3) 1, signal);
|
|
|
|
|
if (errno != 0)
|
2005-02-11 Andrew Cagney <cagney@gnu.org>
Mark up error_no_arg, query, perror_with_name, complaint, and
internal_error.
* breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update.
* cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update.
* dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update.
* exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update.
* frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update.
* gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update.
* go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update.
* i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update.
* infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update.
* interps.c, language.c, linespec.c, linux-nat.c: Update.
* m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update.
* m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update.
* macrotab.c, maint.c, mdebugread.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update.
* mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update.
* objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update.
* parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update.
* ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update.
* regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update.
* remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update.
* s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update.
* sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update.
* solib-aix5.c, solib-svr4.c, solib.c, source.c: Update.
* sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update.
* symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update.
* utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update.
* win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update.
* cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update.
* cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update.
* mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update.
* tui/tui-file.c, tui/tui-interp.c: Update.
2005-02-11 19:13:55 +01:00
|
|
|
|
perror_with_name (("ptrace"));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
attach_flag = 0;
|
2004-06-08 21:58:15 +02:00
|
|
|
|
#else
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
|
error (_("This system does not support detaching from a process"));
|
2004-06-08 21:58:15 +02:00
|
|
|
|
#endif
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
#ifndef FETCH_INFERIOR_REGISTERS
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* U_REGS_OFFSET is the offset of the registers within the u area. */
|
|
|
|
|
#ifndef U_REGS_OFFSET
|
|
|
|
|
|
|
|
|
|
#ifndef offsetof
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#define U_REGS_OFFSET \
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace (PT_READ_U, PIDGET (inferior_ptid), \
|
2004-08-15 01:14:34 +02:00
|
|
|
|
(PTRACE_TYPE_ARG3) (offsetof (struct user, u_ar0)), 0) \
|
1999-04-16 03:35:26 +02:00
|
|
|
|
- KERNEL_U_ADDR
|
|
|
|
|
#endif
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Fetch register REGNUM from the inferior. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
static void
|
2004-08-22 17:35:02 +02:00
|
|
|
|
fetch_register (int regnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-08-22 17:35:02 +02:00
|
|
|
|
CORE_ADDR addr;
|
|
|
|
|
size_t size;
|
|
|
|
|
PTRACE_TYPE_RET *buf;
|
|
|
|
|
int tid, i;
|
|
|
|
|
|
|
|
|
|
if (CANNOT_FETCH_REGISTER (regnum))
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-08-22 17:35:02 +02:00
|
|
|
|
regcache_raw_supply (current_regcache, regnum, NULL);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* GNU/Linux LWP ID's are process ID's. */
|
|
|
|
|
tid = TIDGET (inferior_ptid);
|
|
|
|
|
if (tid == 0)
|
|
|
|
|
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
|
|
|
|
|
|
|
|
|
|
/* This isn't really an address. But ptrace thinks of it as one. */
|
|
|
|
|
addr = register_addr (regnum, U_REGS_OFFSET);
|
|
|
|
|
size = register_size (current_gdbarch, regnum);
|
1999-12-22 22:45:38 +01:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
|
|
|
|
|
buf = alloca (size);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Read the register contents from the inferior a chuck at the time. */
|
|
|
|
|
for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
errno = 0;
|
2004-08-22 17:35:02 +02:00
|
|
|
|
buf[i] = ptrace (PT_READ_U, tid, (PTRACE_TYPE_ARG3) addr, 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (errno != 0)
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
|
error (_("Couldn't read register %s (#%d): %s."), REGISTER_NAME (regnum),
|
2004-08-22 17:35:02 +02:00
|
|
|
|
regnum, safe_strerror (errno));
|
|
|
|
|
|
|
|
|
|
addr += sizeof (PTRACE_TYPE_RET);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
2004-08-22 17:35:02 +02:00
|
|
|
|
regcache_raw_supply (current_regcache, regnum, buf);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
|
|
|
|
|
for all registers. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
void
|
2004-08-22 17:35:02 +02:00
|
|
|
|
fetch_inferior_registers (int regnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-08-22 17:35:02 +02:00
|
|
|
|
if (regnum == -1)
|
|
|
|
|
for (regnum = 0; regnum < NUM_REGS; regnum++)
|
|
|
|
|
fetch_register (regnum);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
else
|
2004-08-22 17:35:02 +02:00
|
|
|
|
fetch_register (regnum);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Store register REGNUM into the inferior. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
static void
|
2004-08-22 17:35:02 +02:00
|
|
|
|
store_register (int regnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-08-22 17:35:02 +02:00
|
|
|
|
CORE_ADDR addr;
|
|
|
|
|
size_t size;
|
|
|
|
|
PTRACE_TYPE_RET *buf;
|
|
|
|
|
int tid, i;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
if (CANNOT_STORE_REGISTER (regnum))
|
|
|
|
|
return;
|
1999-12-22 22:45:38 +01:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* GNU/Linux LWP ID's are process ID's. */
|
|
|
|
|
tid = TIDGET (inferior_ptid);
|
|
|
|
|
if (tid == 0)
|
|
|
|
|
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* This isn't really an address. But ptrace thinks of it as one. */
|
|
|
|
|
addr = register_addr (regnum, U_REGS_OFFSET);
|
|
|
|
|
size = register_size (current_gdbarch, regnum);
|
2001-11-20 00:59:55 +01:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
gdb_assert ((size % sizeof (PTRACE_TYPE_RET)) == 0);
|
|
|
|
|
buf = alloca (size);
|
2001-11-20 00:59:55 +01:00
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Write the register contents into the inferior a chunk at the time. */
|
|
|
|
|
regcache_raw_collect (current_regcache, regnum, buf);
|
|
|
|
|
for (i = 0; i < size / sizeof (PTRACE_TYPE_RET); i++)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
errno = 0;
|
2004-08-22 17:35:02 +02:00
|
|
|
|
ptrace (PT_WRITE_U, tid, (PTRACE_TYPE_ARG3) addr, buf[i]);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (errno != 0)
|
2005-02-21 18:22:43 +01:00
|
|
|
|
error (_("Couldn't write register %s (#%d): %s."),
|
|
|
|
|
REGISTER_NAME (regnum), regnum, safe_strerror (errno));
|
2004-08-22 17:35:02 +02:00
|
|
|
|
|
|
|
|
|
addr += sizeof (PTRACE_TYPE_RET);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2004-08-22 17:35:02 +02:00
|
|
|
|
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
|
|
|
|
|
this for all registers (including the floating point registers). */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
void
|
2004-08-22 17:35:02 +02:00
|
|
|
|
store_inferior_registers (int regnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2004-08-22 17:35:02 +02:00
|
|
|
|
if (regnum == -1)
|
|
|
|
|
for (regnum = 0; regnum < NUM_REGS; regnum++)
|
|
|
|
|
store_register (regnum);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
else
|
2004-08-22 17:35:02 +02:00
|
|
|
|
store_register (regnum);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
2004-08-22 17:35:02 +02:00
|
|
|
|
|
|
|
|
|
#endif /* not FETCH_INFERIOR_REGISTERS. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
|
2002-01-08 01:59:31 +01:00
|
|
|
|
/* Set an upper limit on alloca. */
|
|
|
|
|
#ifndef GDB_MAX_ALLOCA
|
|
|
|
|
#define GDB_MAX_ALLOCA 0x1000
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#if !defined (CHILD_XFER_MEMORY)
|
|
|
|
|
/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
|
2001-10-21 16:53:46 +02:00
|
|
|
|
in the NEW_SUN_PTRACE case. It ought to be straightforward. But
|
|
|
|
|
it appears that writing did not write the data that I specified. I
|
|
|
|
|
cannot understand where it got the data that it actually did write. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2001-10-21 16:53:46 +02:00
|
|
|
|
/* Copy LEN bytes to or from inferior's memory starting at MEMADDR to
|
|
|
|
|
debugger memory starting at MYADDR. Copy to inferior if WRITE is
|
|
|
|
|
nonzero. TARGET is ignored.
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
2001-10-21 16:53:46 +02:00
|
|
|
|
Returns the length copied, which is either the LEN argument or
|
|
|
|
|
zero. This xfer function does not do partial moves, since
|
2004-10-05 23:53:33 +02:00
|
|
|
|
deprecated_child_ops doesn't allow memory operations to cross below
|
|
|
|
|
us in the target stack anyway. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
int
|
2000-09-09 03:38:49 +02:00
|
|
|
|
child_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
|
2002-01-19 04:32:43 +01:00
|
|
|
|
struct mem_attrib *attrib, struct target_ops *target)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2001-10-21 16:53:46 +02:00
|
|
|
|
int i;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Round starting address down to longword boundary. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
CORE_ADDR addr = memaddr & -(CORE_ADDR) sizeof (PTRACE_TYPE_RET);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Round ending address up; get number of longwords that makes. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
int count = ((((memaddr + len) - addr) + sizeof (PTRACE_TYPE_RET) - 1)
|
|
|
|
|
/ sizeof (PTRACE_TYPE_RET));
|
|
|
|
|
int alloc = count * sizeof (PTRACE_TYPE_RET);
|
|
|
|
|
PTRACE_TYPE_RET *buffer;
|
2002-01-08 01:59:31 +01:00
|
|
|
|
struct cleanup *old_chain = NULL;
|
|
|
|
|
|
2002-11-09 00:48:38 +01:00
|
|
|
|
#ifdef PT_IO
|
|
|
|
|
/* OpenBSD 3.1, NetBSD 1.6 and FreeBSD 5.0 have a new PT_IO request
|
|
|
|
|
that promises to be much more efficient in reading and writing
|
|
|
|
|
data in the traced process's address space. */
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
struct ptrace_io_desc piod;
|
|
|
|
|
|
|
|
|
|
/* NOTE: We assume that there are no distinct address spaces for
|
|
|
|
|
instruction and data. */
|
|
|
|
|
piod.piod_op = write ? PIOD_WRITE_D : PIOD_READ_D;
|
|
|
|
|
piod.piod_offs = (void *) memaddr;
|
|
|
|
|
piod.piod_addr = myaddr;
|
|
|
|
|
piod.piod_len = len;
|
|
|
|
|
|
|
|
|
|
if (ptrace (PT_IO, PIDGET (inferior_ptid), (caddr_t) &piod, 0) == -1)
|
|
|
|
|
{
|
|
|
|
|
/* If the PT_IO request is somehow not supported, fallback on
|
|
|
|
|
using PT_WRITE_D/PT_READ_D. Otherwise we will return zero
|
|
|
|
|
to indicate failure. */
|
|
|
|
|
if (errno != EINVAL)
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Return the actual number of bytes read or written. */
|
|
|
|
|
return piod.piod_len;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Allocate buffer of that many longwords. */
|
2002-01-08 01:59:31 +01:00
|
|
|
|
if (len < GDB_MAX_ALLOCA)
|
|
|
|
|
{
|
2004-08-15 17:33:21 +02:00
|
|
|
|
buffer = (PTRACE_TYPE_RET *) alloca (alloc);
|
2002-01-08 01:59:31 +01:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2004-08-15 17:33:21 +02:00
|
|
|
|
buffer = (PTRACE_TYPE_RET *) xmalloc (alloc);
|
2002-01-08 01:59:31 +01:00
|
|
|
|
old_chain = make_cleanup (xfree, buffer);
|
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (write)
|
|
|
|
|
{
|
2001-10-21 16:53:46 +02:00
|
|
|
|
/* Fill start and end extra bytes of buffer with existing memory
|
|
|
|
|
data. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
if (addr != memaddr || len < (int) sizeof (PTRACE_TYPE_RET))
|
1999-07-07 22:19:36 +02:00
|
|
|
|
{
|
|
|
|
|
/* Need part of initial word -- fetch it. */
|
2001-05-04 06:15:33 +02:00
|
|
|
|
buffer[0] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
|
2004-08-15 01:14:34 +02:00
|
|
|
|
(PTRACE_TYPE_ARG3) addr, 0);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2001-10-21 16:53:46 +02:00
|
|
|
|
if (count > 1) /* FIXME, avoid if even boundary. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2001-10-21 16:53:46 +02:00
|
|
|
|
buffer[count - 1] =
|
|
|
|
|
ptrace (PT_READ_I, PIDGET (inferior_ptid),
|
2004-08-15 01:14:34 +02:00
|
|
|
|
((PTRACE_TYPE_ARG3)
|
2004-08-15 17:33:21 +02:00
|
|
|
|
(addr + (count - 1) * sizeof (PTRACE_TYPE_RET))), 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
2001-10-21 16:53:46 +02:00
|
|
|
|
/* Copy data to be written over corresponding part of buffer. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
|
2001-10-21 16:53:46 +02:00
|
|
|
|
myaddr, len);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* Write the entire buffer. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
errno = 0;
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace (PT_WRITE_D, PIDGET (inferior_ptid),
|
2004-08-15 01:14:34 +02:00
|
|
|
|
(PTRACE_TYPE_ARG3) addr, buffer[i]);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (errno)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
{
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Using the appropriate one (I or D) is necessary for
|
1999-07-07 22:19:36 +02:00
|
|
|
|
Gould NP1, at least. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
errno = 0;
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace (PT_WRITE_I, PIDGET (inferior_ptid),
|
2004-08-15 01:14:34 +02:00
|
|
|
|
(PTRACE_TYPE_ARG3) addr, buffer[i]);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
if (errno)
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2001-10-21 16:53:46 +02:00
|
|
|
|
/* Read all the longwords. */
|
2004-08-15 17:33:21 +02:00
|
|
|
|
for (i = 0; i < count; i++, addr += sizeof (PTRACE_TYPE_RET))
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
errno = 0;
|
2001-05-04 06:15:33 +02:00
|
|
|
|
buffer[i] = ptrace (PT_READ_I, PIDGET (inferior_ptid),
|
2004-08-15 01:14:34 +02:00
|
|
|
|
(PTRACE_TYPE_ARG3) addr, 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (errno)
|
|
|
|
|
return 0;
|
|
|
|
|
QUIT;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Copy appropriate bytes out of the buffer. */
|
|
|
|
|
memcpy (myaddr,
|
2004-08-15 17:33:21 +02:00
|
|
|
|
(char *) buffer + (memaddr & (sizeof (PTRACE_TYPE_RET) - 1)),
|
1999-04-16 03:35:26 +02:00
|
|
|
|
len);
|
|
|
|
|
}
|
2001-10-21 16:53:46 +02:00
|
|
|
|
|
2002-01-08 01:59:31 +01:00
|
|
|
|
if (old_chain != NULL)
|
|
|
|
|
do_cleanups (old_chain);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
return len;
|
|
|
|
|
}
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
udot_info (char *dummy1, int dummy2)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
#if defined (KERNEL_U_SIZE)
|
2003-02-25 00:58:32 +01:00
|
|
|
|
long udot_off; /* Offset into user struct */
|
1999-07-07 22:19:36 +02:00
|
|
|
|
int udot_val; /* Value from user struct at udot_off */
|
|
|
|
|
char mess[128]; /* For messages */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#endif
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
if (!target_has_execution)
|
|
|
|
|
{
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
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|
|
|
error (_("The program is not being run."));
|
1999-07-07 22:19:36 +02:00
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|
|
}
|
1999-04-16 03:35:26 +02:00
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|
#if !defined (KERNEL_U_SIZE)
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|
|
|
|
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|
|
/* Adding support for this command is easy. Typically you just add a
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|
|
routine, called "kernel_u_size" that returns the size of the user
|
|
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|
struct, to the appropriate *-nat.c file and then add to the native
|
|
|
|
|
config file "#define KERNEL_U_SIZE kernel_u_size()" */
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 05:06:14 +01:00
|
|
|
|
error (_("Don't know how large ``struct user'' is in this version of gdb."));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
for (udot_off = 0; udot_off < KERNEL_U_SIZE; udot_off += sizeof (udot_val))
|
|
|
|
|
{
|
|
|
|
|
if ((udot_off % 24) == 0)
|
|
|
|
|
{
|
|
|
|
|
if (udot_off > 0)
|
|
|
|
|
{
|
|
|
|
|
printf_filtered ("\n");
|
|
|
|
|
}
|
2003-02-25 00:58:32 +01:00
|
|
|
|
printf_filtered ("%s:", paddr (udot_off));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
2004-08-15 01:14:34 +02:00
|
|
|
|
udot_val = ptrace (PT_READ_U, PIDGET (inferior_ptid), (PTRACE_TYPE_ARG3) udot_off, 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (errno != 0)
|
|
|
|
|
{
|
2003-02-25 00:58:32 +01:00
|
|
|
|
sprintf (mess, "\nreading user struct at offset 0x%s",
|
|
|
|
|
paddr_nz (udot_off));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
perror_with_name (mess);
|
|
|
|
|
}
|
|
|
|
|
/* Avoid using nonportable (?) "*" in print specs */
|
|
|
|
|
printf_filtered (sizeof (int) == 4 ? " 0x%08x" : " 0x%16x", udot_val);
|
|
|
|
|
}
|
|
|
|
|
printf_filtered ("\n");
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
#endif /* !defined (CHILD_XFER_MEMORY). */
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
_initialize_infptrace (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
#if !defined (CHILD_XFER_MEMORY)
|
|
|
|
|
add_info ("udot", udot_info,
|
2005-02-15 Andrew Cagney <cagney@gnu.org>
Mark up add_com, add_info and add_prefix_cmd.
* breakpoint.c, cp-support.c, dcache.c, dwarf2read.c: Update.
* exec.c, f-valprint.c, frame.c, gcore.c, gnu-nat.c: Update.
* go32-nat.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* kod.c, language.c, linux-nat.c, m32r-rom.c, macrocmd.c: Update.
* maint.c, memattr.c, mips-tdep.c, nto-procfs.c, objc-lang.c: Update.
* ocd.c, pa64solib.c, printcmd.c, procfs.c, regcache.c: Update.
* remote-e7000.c, remote-m32r-sdi.c, remote-mips.c: Update.
* remote-sds.c, remote-sim.c, remote-st.c, remote-utils.c: Update.
* remote.c, rs6000-tdep.c, ser-go32.c, serial.c: Update.
* sh-tdep.c, solib.c, somsolib.c, source.c, stack.c: Update.
* symfile.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, typeprint.c, utils.c, valprint.c: Update.
* win32-nat.c, xcoffsolib.c, cli/cli-cmds.c, cli/cli-dump.c: Update.
* cli/cli-logging.c, tui/tui-layout.c, tui/tui-regs.c: Update.
* tui/tui-stack.c, tui/tui-win.c: Update.
2005-02-15 16:49:28 +01:00
|
|
|
|
_("Print contents of kernel ``struct user'' for current child."));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#endif
|
|
|
|
|
}
|