/* Main code for remote server for GDB.
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/* Main code for remote server for GDB.
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Copyright (C) 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003,
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Copyright (C) 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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2004, 2005, 2006, 2007, 2008, 2009, 2010 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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "server.h"
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#include "server.h"
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#if HAVE_UNISTD_H
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#include <unistd.h>
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#endif
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#endif
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#if HAVE_SIGNAL_H
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#if HAVE_SIGNAL_H
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#include <signal.h>
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#include <signal.h>
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#endif
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#endif
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#if HAVE_SYS_WAIT_H
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#if HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#include <sys/wait.h>
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#endif
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#endif
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#if HAVE_MALLOC_H
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#include <malloc.h>
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#endif
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#endif
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ptid_t cont_thread;
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ptid_t cont_thread;
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ptid_t general_thread;
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ptid_t general_thread;
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ptid_t step_thread;
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ptid_t step_thread;
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int server_waiting;
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int server_waiting;
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static int extended_protocol;
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static int extended_protocol;
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static int response_needed;
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static int response_needed;
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static int exit_requested;
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static int exit_requested;
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int multi_process;
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int multi_process;
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int non_stop;
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int non_stop;
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static char **program_argv, **wrapper_argv;
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static char **program_argv, **wrapper_argv;
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/* Enable miscellaneous debugging output. The name is historical - it
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/* Enable miscellaneous debugging output. The name is historical - it
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was originally used to debug LinuxThreads support. */
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was originally used to debug LinuxThreads support. */
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int debug_threads;
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int debug_threads;
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/* Enable debugging of h/w breakpoint/watchpoint support. */
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/* Enable debugging of h/w breakpoint/watchpoint support. */
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int debug_hw_points;
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int debug_hw_points;
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int pass_signals[TARGET_SIGNAL_LAST];
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int pass_signals[TARGET_SIGNAL_LAST];
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jmp_buf toplevel;
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jmp_buf toplevel;
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const char *gdbserver_xmltarget;
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const char *gdbserver_xmltarget;
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/* The PID of the originally created or attached inferior. Used to
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/* The PID of the originally created or attached inferior. Used to
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send signals to the process when GDB sends us an asynchronous interrupt
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send signals to the process when GDB sends us an asynchronous interrupt
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(user hitting Control-C in the client), and to wait for the child to exit
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(user hitting Control-C in the client), and to wait for the child to exit
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when no longer debugging it. */
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when no longer debugging it. */
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unsigned long signal_pid;
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unsigned long signal_pid;
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#ifdef SIGTTOU
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#ifdef SIGTTOU
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/* A file descriptor for the controlling terminal. */
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/* A file descriptor for the controlling terminal. */
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int terminal_fd;
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int terminal_fd;
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/* TERMINAL_FD's original foreground group. */
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/* TERMINAL_FD's original foreground group. */
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pid_t old_foreground_pgrp;
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pid_t old_foreground_pgrp;
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/* Hand back terminal ownership to the original foreground group. */
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/* Hand back terminal ownership to the original foreground group. */
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static void
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static void
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restore_old_foreground_pgrp (void)
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restore_old_foreground_pgrp (void)
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{
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{
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tcsetpgrp (terminal_fd, old_foreground_pgrp);
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tcsetpgrp (terminal_fd, old_foreground_pgrp);
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}
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}
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#endif
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#endif
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/* Set if you want to disable optional thread related packets support
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/* Set if you want to disable optional thread related packets support
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in gdbserver, for the sake of testing GDB against stubs that don't
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in gdbserver, for the sake of testing GDB against stubs that don't
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support them. */
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support them. */
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int disable_packet_vCont;
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int disable_packet_vCont;
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int disable_packet_Tthread;
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int disable_packet_Tthread;
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int disable_packet_qC;
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int disable_packet_qC;
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int disable_packet_qfThreadInfo;
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int disable_packet_qfThreadInfo;
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/* Last status reported to GDB. */
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/* Last status reported to GDB. */
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static struct target_waitstatus last_status;
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static struct target_waitstatus last_status;
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static ptid_t last_ptid;
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static ptid_t last_ptid;
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static char *own_buf;
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static char *own_buf;
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static unsigned char *mem_buf;
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static unsigned char *mem_buf;
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/* Structure holding information relative to a single stop reply. We
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/* Structure holding information relative to a single stop reply. We
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keep a queue of these (really a singly-linked list) to push to GDB
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keep a queue of these (really a singly-linked list) to push to GDB
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in non-stop mode. */
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in non-stop mode. */
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struct vstop_notif
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struct vstop_notif
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{
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{
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/* Pointer to next in list. */
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/* Pointer to next in list. */
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struct vstop_notif *next;
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struct vstop_notif *next;
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/* Thread or process that got the event. */
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/* Thread or process that got the event. */
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ptid_t ptid;
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ptid_t ptid;
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/* Event info. */
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/* Event info. */
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struct target_waitstatus status;
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struct target_waitstatus status;
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};
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};
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/* The pending stop replies list head. */
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/* The pending stop replies list head. */
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static struct vstop_notif *notif_queue = NULL;
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static struct vstop_notif *notif_queue = NULL;
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/* Put a stop reply to the stop reply queue. */
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/* Put a stop reply to the stop reply queue. */
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static void
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static void
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queue_stop_reply (ptid_t ptid, struct target_waitstatus *status)
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queue_stop_reply (ptid_t ptid, struct target_waitstatus *status)
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{
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{
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struct vstop_notif *new_notif;
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struct vstop_notif *new_notif;
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new_notif = malloc (sizeof (*new_notif));
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new_notif = malloc (sizeof (*new_notif));
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new_notif->next = NULL;
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new_notif->next = NULL;
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new_notif->ptid = ptid;
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new_notif->ptid = ptid;
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new_notif->status = *status;
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new_notif->status = *status;
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if (notif_queue)
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if (notif_queue)
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{
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{
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struct vstop_notif *tail;
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struct vstop_notif *tail;
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for (tail = notif_queue;
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for (tail = notif_queue;
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tail && tail->next;
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tail && tail->next;
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tail = tail->next)
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tail = tail->next)
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;
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;
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tail->next = new_notif;
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tail->next = new_notif;
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}
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}
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else
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else
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notif_queue = new_notif;
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notif_queue = new_notif;
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if (remote_debug)
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if (remote_debug)
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{
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{
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int i = 0;
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int i = 0;
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struct vstop_notif *n;
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struct vstop_notif *n;
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for (n = notif_queue; n; n = n->next)
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for (n = notif_queue; n; n = n->next)
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i++;
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i++;
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fprintf (stderr, "pending stop replies: %d\n", i);
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fprintf (stderr, "pending stop replies: %d\n", i);
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}
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}
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}
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}
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/* Place an event in the stop reply queue, and push a notification if
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/* Place an event in the stop reply queue, and push a notification if
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we aren't sending one yet. */
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we aren't sending one yet. */
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void
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void
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push_event (ptid_t ptid, struct target_waitstatus *status)
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push_event (ptid_t ptid, struct target_waitstatus *status)
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{
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{
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queue_stop_reply (ptid, status);
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queue_stop_reply (ptid, status);
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/* If this is the first stop reply in the queue, then inform GDB
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/* If this is the first stop reply in the queue, then inform GDB
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about it, by sending a Stop notification. */
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about it, by sending a Stop notification. */
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if (notif_queue->next == NULL)
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if (notif_queue->next == NULL)
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{
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{
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char *p = own_buf;
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char *p = own_buf;
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strcpy (p, "Stop:");
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strcpy (p, "Stop:");
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p += strlen (p);
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p += strlen (p);
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prepare_resume_reply (p,
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prepare_resume_reply (p,
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notif_queue->ptid, ¬if_queue->status);
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notif_queue->ptid, ¬if_queue->status);
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putpkt_notif (own_buf);
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putpkt_notif (own_buf);
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}
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}
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}
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}
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/* Get rid of the currently pending stop replies for PID. If PID is
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/* Get rid of the currently pending stop replies for PID. If PID is
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-1, then apply to all processes. */
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-1, then apply to all processes. */
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static void
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static void
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discard_queued_stop_replies (int pid)
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discard_queued_stop_replies (int pid)
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{
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{
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struct vstop_notif *prev = NULL, *reply, *next;
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struct vstop_notif *prev = NULL, *reply, *next;
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for (reply = notif_queue; reply; reply = next)
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for (reply = notif_queue; reply; reply = next)
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{
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{
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next = reply->next;
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next = reply->next;
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if (pid == -1
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if (pid == -1
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|| ptid_get_pid (reply->ptid) == pid)
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|| ptid_get_pid (reply->ptid) == pid)
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{
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{
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if (reply == notif_queue)
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if (reply == notif_queue)
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notif_queue = next;
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notif_queue = next;
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else
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else
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prev->next = reply->next;
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prev->next = reply->next;
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free (reply);
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free (reply);
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}
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}
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else
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else
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prev = reply;
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prev = reply;
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}
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}
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}
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}
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/* If there are more stop replies to push, push one now. */
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/* If there are more stop replies to push, push one now. */
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static void
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static void
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send_next_stop_reply (char *own_buf)
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send_next_stop_reply (char *own_buf)
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{
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{
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if (notif_queue)
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if (notif_queue)
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prepare_resume_reply (own_buf,
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prepare_resume_reply (own_buf,
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notif_queue->ptid,
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notif_queue->ptid,
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¬if_queue->status);
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¬if_queue->status);
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else
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else
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write_ok (own_buf);
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write_ok (own_buf);
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}
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}
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static int
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static int
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target_running (void)
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target_running (void)
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{
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{
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return all_threads.head != NULL;
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return all_threads.head != NULL;
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}
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}
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static int
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static int
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start_inferior (char **argv)
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start_inferior (char **argv)
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{
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{
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char **new_argv = argv;
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char **new_argv = argv;
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if (wrapper_argv != NULL)
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if (wrapper_argv != NULL)
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{
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{
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int i, count = 1;
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int i, count = 1;
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for (i = 0; wrapper_argv[i] != NULL; i++)
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for (i = 0; wrapper_argv[i] != NULL; i++)
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count++;
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count++;
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for (i = 0; argv[i] != NULL; i++)
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for (i = 0; argv[i] != NULL; i++)
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count++;
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count++;
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new_argv = alloca (sizeof (char *) * count);
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new_argv = alloca (sizeof (char *) * count);
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count = 0;
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count = 0;
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for (i = 0; wrapper_argv[i] != NULL; i++)
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for (i = 0; wrapper_argv[i] != NULL; i++)
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new_argv[count++] = wrapper_argv[i];
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new_argv[count++] = wrapper_argv[i];
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for (i = 0; argv[i] != NULL; i++)
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for (i = 0; argv[i] != NULL; i++)
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new_argv[count++] = argv[i];
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new_argv[count++] = argv[i];
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new_argv[count] = NULL;
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new_argv[count] = NULL;
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}
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}
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#ifdef SIGTTOU
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#ifdef SIGTTOU
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signal (SIGTTOU, SIG_DFL);
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signal (SIGTTOU, SIG_DFL);
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signal (SIGTTIN, SIG_DFL);
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signal (SIGTTIN, SIG_DFL);
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#endif
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#endif
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signal_pid = create_inferior (new_argv[0], new_argv);
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signal_pid = create_inferior (new_argv[0], new_argv);
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/* FIXME: we don't actually know at this point that the create
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/* FIXME: we don't actually know at this point that the create
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actually succeeded. We won't know that until we wait. */
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actually succeeded. We won't know that until we wait. */
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fprintf (stderr, "Process %s created; pid = %ld\n", argv[0],
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fprintf (stderr, "Process %s created; pid = %ld\n", argv[0],
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signal_pid);
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signal_pid);
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fflush (stderr);
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fflush (stderr);
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#ifdef SIGTTOU
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#ifdef SIGTTOU
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signal (SIGTTOU, SIG_IGN);
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signal (SIGTTOU, SIG_IGN);
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signal (SIGTTIN, SIG_IGN);
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signal (SIGTTIN, SIG_IGN);
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terminal_fd = fileno (stderr);
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terminal_fd = fileno (stderr);
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old_foreground_pgrp = tcgetpgrp (terminal_fd);
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old_foreground_pgrp = tcgetpgrp (terminal_fd);
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tcsetpgrp (terminal_fd, signal_pid);
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tcsetpgrp (terminal_fd, signal_pid);
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atexit (restore_old_foreground_pgrp);
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atexit (restore_old_foreground_pgrp);
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#endif
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#endif
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if (wrapper_argv != NULL)
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if (wrapper_argv != NULL)
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{
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{
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struct thread_resume resume_info;
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struct thread_resume resume_info;
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ptid_t ptid;
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ptid_t ptid;
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resume_info.thread = pid_to_ptid (signal_pid);
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resume_info.thread = pid_to_ptid (signal_pid);
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resume_info.kind = resume_continue;
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resume_info.kind = resume_continue;
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resume_info.sig = 0;
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resume_info.sig = 0;
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ptid = mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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ptid = mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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if (last_status.kind != TARGET_WAITKIND_STOPPED)
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if (last_status.kind != TARGET_WAITKIND_STOPPED)
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return signal_pid;
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return signal_pid;
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do
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do
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{
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{
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(*the_target->resume) (&resume_info, 1);
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(*the_target->resume) (&resume_info, 1);
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mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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if (last_status.kind != TARGET_WAITKIND_STOPPED)
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if (last_status.kind != TARGET_WAITKIND_STOPPED)
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return signal_pid;
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return signal_pid;
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}
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}
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while (last_status.value.sig != TARGET_SIGNAL_TRAP);
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while (last_status.value.sig != TARGET_SIGNAL_TRAP);
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return signal_pid;
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return signal_pid;
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}
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}
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/* Wait till we are at 1st instruction in program, return new pid
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/* Wait till we are at 1st instruction in program, return new pid
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(assuming success). */
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(assuming success). */
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last_ptid = mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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last_ptid = mywait (pid_to_ptid (signal_pid), &last_status, 0, 0);
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return signal_pid;
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return signal_pid;
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}
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}
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static int
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static int
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attach_inferior (int pid)
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attach_inferior (int pid)
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{
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{
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/* myattach should return -1 if attaching is unsupported,
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/* myattach should return -1 if attaching is unsupported,
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0 if it succeeded, and call error() otherwise. */
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0 if it succeeded, and call error() otherwise. */
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if (myattach (pid) != 0)
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if (myattach (pid) != 0)
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return -1;
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return -1;
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fprintf (stderr, "Attached; pid = %d\n", pid);
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fprintf (stderr, "Attached; pid = %d\n", pid);
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fflush (stderr);
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fflush (stderr);
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/* FIXME - It may be that we should get the SIGNAL_PID from the
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/* FIXME - It may be that we should get the SIGNAL_PID from the
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attach function, so that it can be the main thread instead of
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attach function, so that it can be the main thread instead of
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whichever we were told to attach to. */
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whichever we were told to attach to. */
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signal_pid = pid;
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signal_pid = pid;
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if (!non_stop)
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if (!non_stop)
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{
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{
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last_ptid = mywait (pid_to_ptid (pid), &last_status, 0, 0);
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last_ptid = mywait (pid_to_ptid (pid), &last_status, 0, 0);
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|
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/* GDB knows to ignore the first SIGSTOP after attaching to a running
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/* GDB knows to ignore the first SIGSTOP after attaching to a running
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process using the "attach" command, but this is different; it's
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process using the "attach" command, but this is different; it's
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just using "target remote". Pretend it's just starting up. */
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just using "target remote". Pretend it's just starting up. */
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if (last_status.kind == TARGET_WAITKIND_STOPPED
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if (last_status.kind == TARGET_WAITKIND_STOPPED
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&& last_status.value.sig == TARGET_SIGNAL_STOP)
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&& last_status.value.sig == TARGET_SIGNAL_STOP)
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last_status.value.sig = TARGET_SIGNAL_TRAP;
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last_status.value.sig = TARGET_SIGNAL_TRAP;
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}
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}
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return 0;
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return 0;
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}
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}
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extern int remote_debug;
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extern int remote_debug;
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/* Decode a qXfer read request. Return 0 if everything looks OK,
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/* Decode a qXfer read request. Return 0 if everything looks OK,
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or -1 otherwise. */
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or -1 otherwise. */
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static int
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static int
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decode_xfer_read (char *buf, char **annex, CORE_ADDR *ofs, unsigned int *len)
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decode_xfer_read (char *buf, char **annex, CORE_ADDR *ofs, unsigned int *len)
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{
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{
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/* Extract and NUL-terminate the annex. */
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/* Extract and NUL-terminate the annex. */
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*annex = buf;
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*annex = buf;
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while (*buf && *buf != ':')
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while (*buf && *buf != ':')
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buf++;
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buf++;
|
if (*buf == '\0')
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if (*buf == '\0')
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return -1;
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return -1;
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*buf++ = 0;
|
*buf++ = 0;
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|
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/* After the read marker and annex, qXfer looks like a
|
/* After the read marker and annex, qXfer looks like a
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traditional 'm' packet. */
|
traditional 'm' packet. */
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decode_m_packet (buf, ofs, len);
|
decode_m_packet (buf, ofs, len);
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|
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return 0;
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return 0;
|
}
|
}
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|
|
/* Write the response to a successful qXfer read. Returns the
|
/* Write the response to a successful qXfer read. Returns the
|
length of the (binary) data stored in BUF, corresponding
|
length of the (binary) data stored in BUF, corresponding
|
to as much of DATA/LEN as we could fit. IS_MORE controls
|
to as much of DATA/LEN as we could fit. IS_MORE controls
|
the first character of the response. */
|
the first character of the response. */
|
static int
|
static int
|
write_qxfer_response (char *buf, const void *data, int len, int is_more)
|
write_qxfer_response (char *buf, const void *data, int len, int is_more)
|
{
|
{
|
int out_len;
|
int out_len;
|
|
|
if (is_more)
|
if (is_more)
|
buf[0] = 'm';
|
buf[0] = 'm';
|
else
|
else
|
buf[0] = 'l';
|
buf[0] = 'l';
|
|
|
return remote_escape_output (data, len, (unsigned char *) buf + 1, &out_len,
|
return remote_escape_output (data, len, (unsigned char *) buf + 1, &out_len,
|
PBUFSIZ - 2) + 1;
|
PBUFSIZ - 2) + 1;
|
}
|
}
|
|
|
/* Handle all of the extended 'Q' packets. */
|
/* Handle all of the extended 'Q' packets. */
|
void
|
void
|
handle_general_set (char *own_buf)
|
handle_general_set (char *own_buf)
|
{
|
{
|
if (strncmp ("QPassSignals:", own_buf, strlen ("QPassSignals:")) == 0)
|
if (strncmp ("QPassSignals:", own_buf, strlen ("QPassSignals:")) == 0)
|
{
|
{
|
int numsigs = (int) TARGET_SIGNAL_LAST, i;
|
int numsigs = (int) TARGET_SIGNAL_LAST, i;
|
const char *p = own_buf + strlen ("QPassSignals:");
|
const char *p = own_buf + strlen ("QPassSignals:");
|
CORE_ADDR cursig;
|
CORE_ADDR cursig;
|
|
|
p = decode_address_to_semicolon (&cursig, p);
|
p = decode_address_to_semicolon (&cursig, p);
|
for (i = 0; i < numsigs; i++)
|
for (i = 0; i < numsigs; i++)
|
{
|
{
|
if (i == cursig)
|
if (i == cursig)
|
{
|
{
|
pass_signals[i] = 1;
|
pass_signals[i] = 1;
|
if (*p == '\0')
|
if (*p == '\0')
|
/* Keep looping, to clear the remaining signals. */
|
/* Keep looping, to clear the remaining signals. */
|
cursig = -1;
|
cursig = -1;
|
else
|
else
|
p = decode_address_to_semicolon (&cursig, p);
|
p = decode_address_to_semicolon (&cursig, p);
|
}
|
}
|
else
|
else
|
pass_signals[i] = 0;
|
pass_signals[i] = 0;
|
}
|
}
|
strcpy (own_buf, "OK");
|
strcpy (own_buf, "OK");
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp (own_buf, "QStartNoAckMode") == 0)
|
if (strcmp (own_buf, "QStartNoAckMode") == 0)
|
{
|
{
|
if (remote_debug)
|
if (remote_debug)
|
{
|
{
|
fprintf (stderr, "[noack mode enabled]\n");
|
fprintf (stderr, "[noack mode enabled]\n");
|
fflush (stderr);
|
fflush (stderr);
|
}
|
}
|
|
|
noack_mode = 1;
|
noack_mode = 1;
|
write_ok (own_buf);
|
write_ok (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "QNonStop:", 9) == 0)
|
if (strncmp (own_buf, "QNonStop:", 9) == 0)
|
{
|
{
|
char *mode = own_buf + 9;
|
char *mode = own_buf + 9;
|
int req = -1;
|
int req = -1;
|
char *req_str;
|
char *req_str;
|
|
|
if (strcmp (mode, "0") == 0)
|
if (strcmp (mode, "0") == 0)
|
req = 0;
|
req = 0;
|
else if (strcmp (mode, "1") == 0)
|
else if (strcmp (mode, "1") == 0)
|
req = 1;
|
req = 1;
|
else
|
else
|
{
|
{
|
/* We don't know what this mode is, so complain to
|
/* We don't know what this mode is, so complain to
|
GDB. */
|
GDB. */
|
fprintf (stderr, "Unknown non-stop mode requested: %s\n",
|
fprintf (stderr, "Unknown non-stop mode requested: %s\n",
|
own_buf);
|
own_buf);
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
req_str = req ? "non-stop" : "all-stop";
|
req_str = req ? "non-stop" : "all-stop";
|
if (start_non_stop (req) != 0)
|
if (start_non_stop (req) != 0)
|
{
|
{
|
fprintf (stderr, "Setting %s mode failed\n", req_str);
|
fprintf (stderr, "Setting %s mode failed\n", req_str);
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
non_stop = req;
|
non_stop = req;
|
|
|
if (remote_debug)
|
if (remote_debug)
|
fprintf (stderr, "[%s mode enabled]\n", req_str);
|
fprintf (stderr, "[%s mode enabled]\n", req_str);
|
|
|
write_ok (own_buf);
|
write_ok (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
}
|
}
|
|
|
static const char *
|
static const char *
|
get_features_xml (const char *annex)
|
get_features_xml (const char *annex)
|
{
|
{
|
/* gdbserver_xmltarget defines what to return when looking
|
/* gdbserver_xmltarget defines what to return when looking
|
for the "target.xml" file. Its contents can either be
|
for the "target.xml" file. Its contents can either be
|
verbatim XML code (prefixed with a '@') or else the name
|
verbatim XML code (prefixed with a '@') or else the name
|
of the actual XML file to be used in place of "target.xml".
|
of the actual XML file to be used in place of "target.xml".
|
|
|
This variable is set up from the auto-generated
|
This variable is set up from the auto-generated
|
init_registers_... routine for the current target. */
|
init_registers_... routine for the current target. */
|
|
|
if (gdbserver_xmltarget
|
if (gdbserver_xmltarget
|
&& strcmp (annex, "target.xml") == 0)
|
&& strcmp (annex, "target.xml") == 0)
|
{
|
{
|
if (*gdbserver_xmltarget == '@')
|
if (*gdbserver_xmltarget == '@')
|
return gdbserver_xmltarget + 1;
|
return gdbserver_xmltarget + 1;
|
else
|
else
|
annex = gdbserver_xmltarget;
|
annex = gdbserver_xmltarget;
|
}
|
}
|
|
|
#ifdef USE_XML
|
#ifdef USE_XML
|
{
|
{
|
extern const char *const xml_builtin[][2];
|
extern const char *const xml_builtin[][2];
|
int i;
|
int i;
|
|
|
/* Look for the annex. */
|
/* Look for the annex. */
|
for (i = 0; xml_builtin[i][0] != NULL; i++)
|
for (i = 0; xml_builtin[i][0] != NULL; i++)
|
if (strcmp (annex, xml_builtin[i][0]) == 0)
|
if (strcmp (annex, xml_builtin[i][0]) == 0)
|
break;
|
break;
|
|
|
if (xml_builtin[i][0] != NULL)
|
if (xml_builtin[i][0] != NULL)
|
return xml_builtin[i][1];
|
return xml_builtin[i][1];
|
}
|
}
|
#endif
|
#endif
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
void
|
void
|
monitor_show_help (void)
|
monitor_show_help (void)
|
{
|
{
|
monitor_output ("The following monitor commands are supported:\n");
|
monitor_output ("The following monitor commands are supported:\n");
|
monitor_output (" set debug <0|1>\n");
|
monitor_output (" set debug <0|1>\n");
|
monitor_output (" Enable general debugging messages\n");
|
monitor_output (" Enable general debugging messages\n");
|
monitor_output (" set debug-hw-points <0|1>\n");
|
monitor_output (" set debug-hw-points <0|1>\n");
|
monitor_output (" Enable h/w breakpoint/watchpoint debugging messages\n");
|
monitor_output (" Enable h/w breakpoint/watchpoint debugging messages\n");
|
monitor_output (" set remote-debug <0|1>\n");
|
monitor_output (" set remote-debug <0|1>\n");
|
monitor_output (" Enable remote protocol debugging messages\n");
|
monitor_output (" Enable remote protocol debugging messages\n");
|
monitor_output (" exit\n");
|
monitor_output (" exit\n");
|
monitor_output (" Quit GDBserver\n");
|
monitor_output (" Quit GDBserver\n");
|
}
|
}
|
|
|
/* Subroutine of handle_search_memory to simplify it. */
|
/* Subroutine of handle_search_memory to simplify it. */
|
|
|
static int
|
static int
|
handle_search_memory_1 (CORE_ADDR start_addr, CORE_ADDR search_space_len,
|
handle_search_memory_1 (CORE_ADDR start_addr, CORE_ADDR search_space_len,
|
gdb_byte *pattern, unsigned pattern_len,
|
gdb_byte *pattern, unsigned pattern_len,
|
gdb_byte *search_buf,
|
gdb_byte *search_buf,
|
unsigned chunk_size, unsigned search_buf_size,
|
unsigned chunk_size, unsigned search_buf_size,
|
CORE_ADDR *found_addrp)
|
CORE_ADDR *found_addrp)
|
{
|
{
|
/* Prime the search buffer. */
|
/* Prime the search buffer. */
|
|
|
if (read_inferior_memory (start_addr, search_buf, search_buf_size) != 0)
|
if (read_inferior_memory (start_addr, search_buf, search_buf_size) != 0)
|
{
|
{
|
warning ("Unable to access target memory at 0x%lx, halting search.",
|
warning ("Unable to access target memory at 0x%lx, halting search.",
|
(long) start_addr);
|
(long) start_addr);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Perform the search.
|
/* Perform the search.
|
|
|
The loop is kept simple by allocating [N + pattern-length - 1] bytes.
|
The loop is kept simple by allocating [N + pattern-length - 1] bytes.
|
When we've scanned N bytes we copy the trailing bytes to the start and
|
When we've scanned N bytes we copy the trailing bytes to the start and
|
read in another N bytes. */
|
read in another N bytes. */
|
|
|
while (search_space_len >= pattern_len)
|
while (search_space_len >= pattern_len)
|
{
|
{
|
gdb_byte *found_ptr;
|
gdb_byte *found_ptr;
|
unsigned nr_search_bytes = (search_space_len < search_buf_size
|
unsigned nr_search_bytes = (search_space_len < search_buf_size
|
? search_space_len
|
? search_space_len
|
: search_buf_size);
|
: search_buf_size);
|
|
|
found_ptr = memmem (search_buf, nr_search_bytes, pattern, pattern_len);
|
found_ptr = memmem (search_buf, nr_search_bytes, pattern, pattern_len);
|
|
|
if (found_ptr != NULL)
|
if (found_ptr != NULL)
|
{
|
{
|
CORE_ADDR found_addr = start_addr + (found_ptr - search_buf);
|
CORE_ADDR found_addr = start_addr + (found_ptr - search_buf);
|
*found_addrp = found_addr;
|
*found_addrp = found_addr;
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Not found in this chunk, skip to next chunk. */
|
/* Not found in this chunk, skip to next chunk. */
|
|
|
/* Don't let search_space_len wrap here, it's unsigned. */
|
/* Don't let search_space_len wrap here, it's unsigned. */
|
if (search_space_len >= chunk_size)
|
if (search_space_len >= chunk_size)
|
search_space_len -= chunk_size;
|
search_space_len -= chunk_size;
|
else
|
else
|
search_space_len = 0;
|
search_space_len = 0;
|
|
|
if (search_space_len >= pattern_len)
|
if (search_space_len >= pattern_len)
|
{
|
{
|
unsigned keep_len = search_buf_size - chunk_size;
|
unsigned keep_len = search_buf_size - chunk_size;
|
CORE_ADDR read_addr = start_addr + chunk_size + keep_len;
|
CORE_ADDR read_addr = start_addr + chunk_size + keep_len;
|
int nr_to_read;
|
int nr_to_read;
|
|
|
/* Copy the trailing part of the previous iteration to the front
|
/* Copy the trailing part of the previous iteration to the front
|
of the buffer for the next iteration. */
|
of the buffer for the next iteration. */
|
memcpy (search_buf, search_buf + chunk_size, keep_len);
|
memcpy (search_buf, search_buf + chunk_size, keep_len);
|
|
|
nr_to_read = (search_space_len - keep_len < chunk_size
|
nr_to_read = (search_space_len - keep_len < chunk_size
|
? search_space_len - keep_len
|
? search_space_len - keep_len
|
: chunk_size);
|
: chunk_size);
|
|
|
if (read_inferior_memory (read_addr, search_buf + keep_len,
|
if (read_inferior_memory (read_addr, search_buf + keep_len,
|
nr_to_read) != 0)
|
nr_to_read) != 0)
|
{
|
{
|
warning ("Unable to access target memory at 0x%lx, halting search.",
|
warning ("Unable to access target memory at 0x%lx, halting search.",
|
(long) read_addr);
|
(long) read_addr);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
start_addr += chunk_size;
|
start_addr += chunk_size;
|
}
|
}
|
}
|
}
|
|
|
/* Not found. */
|
/* Not found. */
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Handle qSearch:memory packets. */
|
/* Handle qSearch:memory packets. */
|
|
|
static void
|
static void
|
handle_search_memory (char *own_buf, int packet_len)
|
handle_search_memory (char *own_buf, int packet_len)
|
{
|
{
|
CORE_ADDR start_addr;
|
CORE_ADDR start_addr;
|
CORE_ADDR search_space_len;
|
CORE_ADDR search_space_len;
|
gdb_byte *pattern;
|
gdb_byte *pattern;
|
unsigned int pattern_len;
|
unsigned int pattern_len;
|
/* NOTE: also defined in find.c testcase. */
|
/* NOTE: also defined in find.c testcase. */
|
#define SEARCH_CHUNK_SIZE 16000
|
#define SEARCH_CHUNK_SIZE 16000
|
const unsigned chunk_size = SEARCH_CHUNK_SIZE;
|
const unsigned chunk_size = SEARCH_CHUNK_SIZE;
|
/* Buffer to hold memory contents for searching. */
|
/* Buffer to hold memory contents for searching. */
|
gdb_byte *search_buf;
|
gdb_byte *search_buf;
|
unsigned search_buf_size;
|
unsigned search_buf_size;
|
int found;
|
int found;
|
CORE_ADDR found_addr;
|
CORE_ADDR found_addr;
|
int cmd_name_len = sizeof ("qSearch:memory:") - 1;
|
int cmd_name_len = sizeof ("qSearch:memory:") - 1;
|
|
|
pattern = malloc (packet_len);
|
pattern = malloc (packet_len);
|
if (pattern == NULL)
|
if (pattern == NULL)
|
{
|
{
|
error ("Unable to allocate memory to perform the search");
|
error ("Unable to allocate memory to perform the search");
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
if (decode_search_memory_packet (own_buf + cmd_name_len,
|
if (decode_search_memory_packet (own_buf + cmd_name_len,
|
packet_len - cmd_name_len,
|
packet_len - cmd_name_len,
|
&start_addr, &search_space_len,
|
&start_addr, &search_space_len,
|
pattern, &pattern_len) < 0)
|
pattern, &pattern_len) < 0)
|
{
|
{
|
free (pattern);
|
free (pattern);
|
error ("Error in parsing qSearch:memory packet");
|
error ("Error in parsing qSearch:memory packet");
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
search_buf_size = chunk_size + pattern_len - 1;
|
search_buf_size = chunk_size + pattern_len - 1;
|
|
|
/* No point in trying to allocate a buffer larger than the search space. */
|
/* No point in trying to allocate a buffer larger than the search space. */
|
if (search_space_len < search_buf_size)
|
if (search_space_len < search_buf_size)
|
search_buf_size = search_space_len;
|
search_buf_size = search_space_len;
|
|
|
search_buf = malloc (search_buf_size);
|
search_buf = malloc (search_buf_size);
|
if (search_buf == NULL)
|
if (search_buf == NULL)
|
{
|
{
|
free (pattern);
|
free (pattern);
|
error ("Unable to allocate memory to perform the search");
|
error ("Unable to allocate memory to perform the search");
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
found = handle_search_memory_1 (start_addr, search_space_len,
|
found = handle_search_memory_1 (start_addr, search_space_len,
|
pattern, pattern_len,
|
pattern, pattern_len,
|
search_buf, chunk_size, search_buf_size,
|
search_buf, chunk_size, search_buf_size,
|
&found_addr);
|
&found_addr);
|
|
|
if (found > 0)
|
if (found > 0)
|
sprintf (own_buf, "1,%lx", (long) found_addr);
|
sprintf (own_buf, "1,%lx", (long) found_addr);
|
else if (found == 0)
|
else if (found == 0)
|
strcpy (own_buf, "0");
|
strcpy (own_buf, "0");
|
else
|
else
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
|
|
free (search_buf);
|
free (search_buf);
|
free (pattern);
|
free (pattern);
|
}
|
}
|
|
|
#define require_running(BUF) \
|
#define require_running(BUF) \
|
if (!target_running ()) \
|
if (!target_running ()) \
|
{ \
|
{ \
|
write_enn (BUF); \
|
write_enn (BUF); \
|
return; \
|
return; \
|
}
|
}
|
|
|
/* Handle monitor commands not handled by target-specific handlers. */
|
/* Handle monitor commands not handled by target-specific handlers. */
|
|
|
static void
|
static void
|
handle_monitor_command (char *mon)
|
handle_monitor_command (char *mon)
|
{
|
{
|
if (strcmp (mon, "set debug 1") == 0)
|
if (strcmp (mon, "set debug 1") == 0)
|
{
|
{
|
debug_threads = 1;
|
debug_threads = 1;
|
monitor_output ("Debug output enabled.\n");
|
monitor_output ("Debug output enabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set debug 0") == 0)
|
else if (strcmp (mon, "set debug 0") == 0)
|
{
|
{
|
debug_threads = 0;
|
debug_threads = 0;
|
monitor_output ("Debug output disabled.\n");
|
monitor_output ("Debug output disabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set debug-hw-points 1") == 0)
|
else if (strcmp (mon, "set debug-hw-points 1") == 0)
|
{
|
{
|
debug_hw_points = 1;
|
debug_hw_points = 1;
|
monitor_output ("H/W point debugging output enabled.\n");
|
monitor_output ("H/W point debugging output enabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set debug-hw-points 0") == 0)
|
else if (strcmp (mon, "set debug-hw-points 0") == 0)
|
{
|
{
|
debug_hw_points = 0;
|
debug_hw_points = 0;
|
monitor_output ("H/W point debugging output disabled.\n");
|
monitor_output ("H/W point debugging output disabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set remote-debug 1") == 0)
|
else if (strcmp (mon, "set remote-debug 1") == 0)
|
{
|
{
|
remote_debug = 1;
|
remote_debug = 1;
|
monitor_output ("Protocol debug output enabled.\n");
|
monitor_output ("Protocol debug output enabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set remote-debug 0") == 0)
|
else if (strcmp (mon, "set remote-debug 0") == 0)
|
{
|
{
|
remote_debug = 0;
|
remote_debug = 0;
|
monitor_output ("Protocol debug output disabled.\n");
|
monitor_output ("Protocol debug output disabled.\n");
|
}
|
}
|
else if (strcmp (mon, "help") == 0)
|
else if (strcmp (mon, "help") == 0)
|
monitor_show_help ();
|
monitor_show_help ();
|
else if (strcmp (mon, "exit") == 0)
|
else if (strcmp (mon, "exit") == 0)
|
exit_requested = 1;
|
exit_requested = 1;
|
else
|
else
|
{
|
{
|
monitor_output ("Unknown monitor command.\n\n");
|
monitor_output ("Unknown monitor command.\n\n");
|
monitor_show_help ();
|
monitor_show_help ();
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
handle_threads_qxfer_proper (struct buffer *buffer)
|
handle_threads_qxfer_proper (struct buffer *buffer)
|
{
|
{
|
struct inferior_list_entry *thread;
|
struct inferior_list_entry *thread;
|
|
|
buffer_grow_str (buffer, "<threads>\n");
|
buffer_grow_str (buffer, "<threads>\n");
|
|
|
for (thread = all_threads.head; thread; thread = thread->next)
|
for (thread = all_threads.head; thread; thread = thread->next)
|
{
|
{
|
ptid_t ptid = thread_to_gdb_id ((struct thread_info *)thread);
|
ptid_t ptid = thread_to_gdb_id ((struct thread_info *)thread);
|
char ptid_s[100];
|
char ptid_s[100];
|
int core = -1;
|
int core = -1;
|
char core_s[21];
|
char core_s[21];
|
|
|
write_ptid (ptid_s, ptid);
|
write_ptid (ptid_s, ptid);
|
|
|
if (the_target->core_of_thread)
|
if (the_target->core_of_thread)
|
core = (*the_target->core_of_thread) (ptid);
|
core = (*the_target->core_of_thread) (ptid);
|
|
|
if (core != -1)
|
if (core != -1)
|
{
|
{
|
sprintf (core_s, "%d", core);
|
sprintf (core_s, "%d", core);
|
buffer_xml_printf (buffer, "<thread id=\"%s\" core=\"%s\"/>\n",
|
buffer_xml_printf (buffer, "<thread id=\"%s\" core=\"%s\"/>\n",
|
ptid_s, core_s);
|
ptid_s, core_s);
|
}
|
}
|
else
|
else
|
{
|
{
|
buffer_xml_printf (buffer, "<thread id=\"%s\"/>\n",
|
buffer_xml_printf (buffer, "<thread id=\"%s\"/>\n",
|
ptid_s);
|
ptid_s);
|
}
|
}
|
}
|
}
|
|
|
buffer_grow_str0 (buffer, "</threads>\n");
|
buffer_grow_str0 (buffer, "</threads>\n");
|
}
|
}
|
|
|
static int
|
static int
|
handle_threads_qxfer (const char *annex,
|
handle_threads_qxfer (const char *annex,
|
unsigned char *readbuf,
|
unsigned char *readbuf,
|
CORE_ADDR offset, int length)
|
CORE_ADDR offset, int length)
|
{
|
{
|
static char *result = 0;
|
static char *result = 0;
|
static unsigned int result_length = 0;
|
static unsigned int result_length = 0;
|
|
|
if (annex && strcmp (annex, "") != 0)
|
if (annex && strcmp (annex, "") != 0)
|
return 0;
|
return 0;
|
|
|
if (offset == 0)
|
if (offset == 0)
|
{
|
{
|
struct buffer buffer;
|
struct buffer buffer;
|
/* When asked for data at offset 0, generate everything and store into
|
/* When asked for data at offset 0, generate everything and store into
|
'result'. Successive reads will be served off 'result'. */
|
'result'. Successive reads will be served off 'result'. */
|
if (result)
|
if (result)
|
free (result);
|
free (result);
|
|
|
buffer_init (&buffer);
|
buffer_init (&buffer);
|
|
|
handle_threads_qxfer_proper (&buffer);
|
handle_threads_qxfer_proper (&buffer);
|
|
|
result = buffer_finish (&buffer);
|
result = buffer_finish (&buffer);
|
result_length = strlen (result);
|
result_length = strlen (result);
|
buffer_free (&buffer);
|
buffer_free (&buffer);
|
}
|
}
|
|
|
if (offset >= result_length)
|
if (offset >= result_length)
|
{
|
{
|
/* We're out of data. */
|
/* We're out of data. */
|
free (result);
|
free (result);
|
result = NULL;
|
result = NULL;
|
result_length = 0;
|
result_length = 0;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (length > result_length - offset)
|
if (length > result_length - offset)
|
length = result_length - offset;
|
length = result_length - offset;
|
|
|
memcpy (readbuf, result + offset, length);
|
memcpy (readbuf, result + offset, length);
|
|
|
return length;
|
return length;
|
|
|
}
|
}
|
|
|
/* Handle all of the extended 'q' packets. */
|
/* Handle all of the extended 'q' packets. */
|
void
|
void
|
handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
|
handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
|
{
|
{
|
static struct inferior_list_entry *thread_ptr;
|
static struct inferior_list_entry *thread_ptr;
|
|
|
/* Reply the current thread id. */
|
/* Reply the current thread id. */
|
if (strcmp ("qC", own_buf) == 0 && !disable_packet_qC)
|
if (strcmp ("qC", own_buf) == 0 && !disable_packet_qC)
|
{
|
{
|
ptid_t gdb_id;
|
ptid_t gdb_id;
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
if (!ptid_equal (general_thread, null_ptid)
|
if (!ptid_equal (general_thread, null_ptid)
|
&& !ptid_equal (general_thread, minus_one_ptid))
|
&& !ptid_equal (general_thread, minus_one_ptid))
|
gdb_id = general_thread;
|
gdb_id = general_thread;
|
else
|
else
|
{
|
{
|
thread_ptr = all_threads.head;
|
thread_ptr = all_threads.head;
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
}
|
}
|
|
|
sprintf (own_buf, "QC");
|
sprintf (own_buf, "QC");
|
own_buf += 2;
|
own_buf += 2;
|
own_buf = write_ptid (own_buf, gdb_id);
|
own_buf = write_ptid (own_buf, gdb_id);
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp ("qSymbol::", own_buf) == 0)
|
if (strcmp ("qSymbol::", own_buf) == 0)
|
{
|
{
|
if (target_running () && the_target->look_up_symbols != NULL)
|
if (target_running () && the_target->look_up_symbols != NULL)
|
(*the_target->look_up_symbols) ();
|
(*the_target->look_up_symbols) ();
|
|
|
strcpy (own_buf, "OK");
|
strcpy (own_buf, "OK");
|
return;
|
return;
|
}
|
}
|
|
|
if (!disable_packet_qfThreadInfo)
|
if (!disable_packet_qfThreadInfo)
|
{
|
{
|
if (strcmp ("qfThreadInfo", own_buf) == 0)
|
if (strcmp ("qfThreadInfo", own_buf) == 0)
|
{
|
{
|
ptid_t gdb_id;
|
ptid_t gdb_id;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
thread_ptr = all_threads.head;
|
thread_ptr = all_threads.head;
|
|
|
*own_buf++ = 'm';
|
*own_buf++ = 'm';
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
write_ptid (own_buf, gdb_id);
|
write_ptid (own_buf, gdb_id);
|
thread_ptr = thread_ptr->next;
|
thread_ptr = thread_ptr->next;
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp ("qsThreadInfo", own_buf) == 0)
|
if (strcmp ("qsThreadInfo", own_buf) == 0)
|
{
|
{
|
ptid_t gdb_id;
|
ptid_t gdb_id;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
if (thread_ptr != NULL)
|
if (thread_ptr != NULL)
|
{
|
{
|
*own_buf++ = 'm';
|
*own_buf++ = 'm';
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
gdb_id = thread_to_gdb_id ((struct thread_info *)thread_ptr);
|
write_ptid (own_buf, gdb_id);
|
write_ptid (own_buf, gdb_id);
|
thread_ptr = thread_ptr->next;
|
thread_ptr = thread_ptr->next;
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
sprintf (own_buf, "l");
|
sprintf (own_buf, "l");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (the_target->read_offsets != NULL
|
if (the_target->read_offsets != NULL
|
&& strcmp ("qOffsets", own_buf) == 0)
|
&& strcmp ("qOffsets", own_buf) == 0)
|
{
|
{
|
CORE_ADDR text, data;
|
CORE_ADDR text, data;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
if (the_target->read_offsets (&text, &data))
|
if (the_target->read_offsets (&text, &data))
|
sprintf (own_buf, "Text=%lX;Data=%lX;Bss=%lX",
|
sprintf (own_buf, "Text=%lX;Data=%lX;Bss=%lX",
|
(long)text, (long)data, (long)data);
|
(long)text, (long)data, (long)data);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_spu != NULL
|
if (the_target->qxfer_spu != NULL
|
&& strncmp ("qXfer:spu:read:", own_buf, 15) == 0)
|
&& strncmp ("qXfer:spu:read:", own_buf, 15) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *spu_buf;
|
unsigned char *spu_buf;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
if (decode_xfer_read (own_buf + 15, &annex, &ofs, &len) < 0)
|
if (decode_xfer_read (own_buf + 15, &annex, &ofs, &len) < 0)
|
return;
|
return;
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
spu_buf = malloc (len + 1);
|
spu_buf = malloc (len + 1);
|
if (!spu_buf)
|
if (!spu_buf)
|
return;
|
return;
|
|
|
n = (*the_target->qxfer_spu) (annex, spu_buf, NULL, ofs, len + 1);
|
n = (*the_target->qxfer_spu) (annex, spu_buf, NULL, ofs, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, spu_buf, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, spu_buf, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, spu_buf, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, spu_buf, n, 0);
|
|
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_spu != NULL
|
if (the_target->qxfer_spu != NULL
|
&& strncmp ("qXfer:spu:write:", own_buf, 16) == 0)
|
&& strncmp ("qXfer:spu:write:", own_buf, 16) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *spu_buf;
|
unsigned char *spu_buf;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
spu_buf = malloc (packet_len - 15);
|
spu_buf = malloc (packet_len - 15);
|
if (!spu_buf)
|
if (!spu_buf)
|
return;
|
return;
|
if (decode_xfer_write (own_buf + 16, packet_len - 16, &annex,
|
if (decode_xfer_write (own_buf + 16, packet_len - 16, &annex,
|
&ofs, &len, spu_buf) < 0)
|
&ofs, &len, spu_buf) < 0)
|
{
|
{
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
n = (*the_target->qxfer_spu)
|
n = (*the_target->qxfer_spu)
|
(annex, NULL, (unsigned const char *)spu_buf, ofs, len);
|
(annex, NULL, (unsigned const char *)spu_buf, ofs, len);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
sprintf (own_buf, "%x", n);
|
sprintf (own_buf, "%x", n);
|
|
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->read_auxv != NULL
|
if (the_target->read_auxv != NULL
|
&& strncmp ("qXfer:auxv:read:", own_buf, 16) == 0)
|
&& strncmp ("qXfer:auxv:read:", own_buf, 16) == 0)
|
{
|
{
|
unsigned char *data;
|
unsigned char *data;
|
int n;
|
int n;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len;
|
unsigned int len;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 16, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 16, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Read one extra byte, as an indicator of whether there is
|
/* Read one extra byte, as an indicator of whether there is
|
more. */
|
more. */
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
data = malloc (len + 1);
|
data = malloc (len + 1);
|
if (data == NULL)
|
if (data == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
n = (*the_target->read_auxv) (ofs, data, len + 1);
|
n = (*the_target->read_auxv) (ofs, data, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
|
|
free (data);
|
free (data);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qXfer:features:read:", own_buf, 20) == 0)
|
if (strncmp ("qXfer:features:read:", own_buf, 20) == 0)
|
{
|
{
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len, total_len;
|
unsigned int len, total_len;
|
const char *document;
|
const char *document;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Grab the annex, offset, and length. */
|
/* Grab the annex, offset, and length. */
|
if (decode_xfer_read (own_buf + 20, &annex, &ofs, &len) < 0)
|
if (decode_xfer_read (own_buf + 20, &annex, &ofs, &len) < 0)
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Now grab the correct annex. */
|
/* Now grab the correct annex. */
|
document = get_features_xml (annex);
|
document = get_features_xml (annex);
|
if (document == NULL)
|
if (document == NULL)
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
total_len = strlen (document);
|
total_len = strlen (document);
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
|
|
if (ofs > total_len)
|
if (ofs > total_len)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (len < total_len - ofs)
|
else if (len < total_len - ofs)
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
len, 1);
|
len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
total_len - ofs, 0);
|
total_len - ofs, 0);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qXfer:libraries:read:", own_buf, 21) == 0)
|
if (strncmp ("qXfer:libraries:read:", own_buf, 21) == 0)
|
{
|
{
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len, total_len;
|
unsigned int len, total_len;
|
char *document, *p;
|
char *document, *p;
|
struct inferior_list_entry *dll_ptr;
|
struct inferior_list_entry *dll_ptr;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 21, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 21, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Over-estimate the necessary memory. Assume that every character
|
/* Over-estimate the necessary memory. Assume that every character
|
in the library name must be escaped. */
|
in the library name must be escaped. */
|
total_len = 64;
|
total_len = 64;
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
total_len += 128 + 6 * strlen (((struct dll_info *) dll_ptr)->name);
|
total_len += 128 + 6 * strlen (((struct dll_info *) dll_ptr)->name);
|
|
|
document = malloc (total_len);
|
document = malloc (total_len);
|
if (document == NULL)
|
if (document == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
strcpy (document, "<library-list>\n");
|
strcpy (document, "<library-list>\n");
|
p = document + strlen (document);
|
p = document + strlen (document);
|
|
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
{
|
{
|
struct dll_info *dll = (struct dll_info *) dll_ptr;
|
struct dll_info *dll = (struct dll_info *) dll_ptr;
|
char *name;
|
char *name;
|
|
|
strcpy (p, " <library name=\"");
|
strcpy (p, " <library name=\"");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
name = xml_escape_text (dll->name);
|
name = xml_escape_text (dll->name);
|
strcpy (p, name);
|
strcpy (p, name);
|
free (name);
|
free (name);
|
p = p + strlen (p);
|
p = p + strlen (p);
|
strcpy (p, "\"><segment address=\"");
|
strcpy (p, "\"><segment address=\"");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
sprintf (p, "0x%lx", (long) dll->base_addr);
|
sprintf (p, "0x%lx", (long) dll->base_addr);
|
p = p + strlen (p);
|
p = p + strlen (p);
|
strcpy (p, "\"/></library>\n");
|
strcpy (p, "\"/></library>\n");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
}
|
}
|
|
|
strcpy (p, "</library-list>\n");
|
strcpy (p, "</library-list>\n");
|
|
|
total_len = strlen (document);
|
total_len = strlen (document);
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
|
|
if (ofs > total_len)
|
if (ofs > total_len)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (len < total_len - ofs)
|
else if (len < total_len - ofs)
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
len, 1);
|
len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
total_len - ofs, 0);
|
total_len - ofs, 0);
|
|
|
free (document);
|
free (document);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_osdata != NULL
|
if (the_target->qxfer_osdata != NULL
|
&& strncmp ("qXfer:osdata:read:", own_buf, 18) == 0)
|
&& strncmp ("qXfer:osdata:read:", own_buf, 18) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *workbuf;
|
unsigned char *workbuf;
|
|
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
if (decode_xfer_read (own_buf + 18, &annex, &ofs, &len) < 0)
|
if (decode_xfer_read (own_buf + 18, &annex, &ofs, &len) < 0)
|
return;
|
return;
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
workbuf = malloc (len + 1);
|
workbuf = malloc (len + 1);
|
if (!workbuf)
|
if (!workbuf)
|
return;
|
return;
|
|
|
n = (*the_target->qxfer_osdata) (annex, workbuf, NULL, ofs, len + 1);
|
n = (*the_target->qxfer_osdata) (annex, workbuf, NULL, ofs, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, workbuf, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, workbuf, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, workbuf, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, workbuf, n, 0);
|
|
|
free (workbuf);
|
free (workbuf);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_siginfo != NULL
|
if (the_target->qxfer_siginfo != NULL
|
&& strncmp ("qXfer:siginfo:read:", own_buf, 19) == 0)
|
&& strncmp ("qXfer:siginfo:read:", own_buf, 19) == 0)
|
{
|
{
|
unsigned char *data;
|
unsigned char *data;
|
int n;
|
int n;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len;
|
unsigned int len;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Read one extra byte, as an indicator of whether there is
|
/* Read one extra byte, as an indicator of whether there is
|
more. */
|
more. */
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
data = malloc (len + 1);
|
data = malloc (len + 1);
|
if (!data)
|
if (!data)
|
return;
|
return;
|
n = (*the_target->qxfer_siginfo) (annex, data, NULL, ofs, len + 1);
|
n = (*the_target->qxfer_siginfo) (annex, data, NULL, ofs, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
|
|
free (data);
|
free (data);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_siginfo != NULL
|
if (the_target->qxfer_siginfo != NULL
|
&& strncmp ("qXfer:siginfo:write:", own_buf, 20) == 0)
|
&& strncmp ("qXfer:siginfo:write:", own_buf, 20) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *data;
|
unsigned char *data;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
data = malloc (packet_len - 19);
|
data = malloc (packet_len - 19);
|
if (!data)
|
if (!data)
|
return;
|
return;
|
if (decode_xfer_write (own_buf + 20, packet_len - 20, &annex,
|
if (decode_xfer_write (own_buf + 20, packet_len - 20, &annex,
|
&ofs, &len, data) < 0)
|
&ofs, &len, data) < 0)
|
{
|
{
|
free (data);
|
free (data);
|
return;
|
return;
|
}
|
}
|
|
|
n = (*the_target->qxfer_siginfo)
|
n = (*the_target->qxfer_siginfo)
|
(annex, NULL, (unsigned const char *)data, ofs, len);
|
(annex, NULL, (unsigned const char *)data, ofs, len);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
sprintf (own_buf, "%x", n);
|
sprintf (own_buf, "%x", n);
|
|
|
free (data);
|
free (data);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qXfer:threads:read:", own_buf, 19) == 0)
|
if (strncmp ("qXfer:threads:read:", own_buf, 19) == 0)
|
{
|
{
|
unsigned char *data;
|
unsigned char *data;
|
int n;
|
int n;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len;
|
unsigned int len;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Read one extra byte, as an indicator of whether there is
|
/* Read one extra byte, as an indicator of whether there is
|
more. */
|
more. */
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
data = malloc (len + 1);
|
data = malloc (len + 1);
|
if (!data)
|
if (!data)
|
return;
|
return;
|
n = handle_threads_qxfer (annex, data, ofs, len + 1);
|
n = handle_threads_qxfer (annex, data, ofs, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
|
|
free (data);
|
free (data);
|
return;
|
return;
|
}
|
}
|
|
|
/* Protocol features query. */
|
/* Protocol features query. */
|
if (strncmp ("qSupported", own_buf, 10) == 0
|
if (strncmp ("qSupported", own_buf, 10) == 0
|
&& (own_buf[10] == ':' || own_buf[10] == '\0'))
|
&& (own_buf[10] == ':' || own_buf[10] == '\0'))
|
{
|
{
|
char *p = &own_buf[10];
|
char *p = &own_buf[10];
|
|
|
/* Process each feature being provided by GDB. The first
|
/* Process each feature being provided by GDB. The first
|
feature will follow a ':', and latter features will follow
|
feature will follow a ':', and latter features will follow
|
';'. */
|
';'. */
|
if (*p == ':')
|
if (*p == ':')
|
for (p = strtok (p + 1, ";");
|
for (p = strtok (p + 1, ";");
|
p != NULL;
|
p != NULL;
|
p = strtok (NULL, ";"))
|
p = strtok (NULL, ";"))
|
{
|
{
|
if (strcmp (p, "multiprocess+") == 0)
|
if (strcmp (p, "multiprocess+") == 0)
|
{
|
{
|
/* GDB supports and wants multi-process support if
|
/* GDB supports and wants multi-process support if
|
possible. */
|
possible. */
|
if (target_supports_multi_process ())
|
if (target_supports_multi_process ())
|
multi_process = 1;
|
multi_process = 1;
|
}
|
}
|
}
|
}
|
|
|
sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1);
|
sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1);
|
|
|
/* We do not have any hook to indicate whether the target backend
|
/* We do not have any hook to indicate whether the target backend
|
supports qXfer:libraries:read, so always report it. */
|
supports qXfer:libraries:read, so always report it. */
|
strcat (own_buf, ";qXfer:libraries:read+");
|
strcat (own_buf, ";qXfer:libraries:read+");
|
|
|
if (the_target->read_auxv != NULL)
|
if (the_target->read_auxv != NULL)
|
strcat (own_buf, ";qXfer:auxv:read+");
|
strcat (own_buf, ";qXfer:auxv:read+");
|
|
|
if (the_target->qxfer_spu != NULL)
|
if (the_target->qxfer_spu != NULL)
|
strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+");
|
strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+");
|
|
|
if (the_target->qxfer_siginfo != NULL)
|
if (the_target->qxfer_siginfo != NULL)
|
strcat (own_buf, ";qXfer:siginfo:read+;qXfer:siginfo:write+");
|
strcat (own_buf, ";qXfer:siginfo:read+;qXfer:siginfo:write+");
|
|
|
/* We always report qXfer:features:read, as targets may
|
/* We always report qXfer:features:read, as targets may
|
install XML files on a subsequent call to arch_setup.
|
install XML files on a subsequent call to arch_setup.
|
If we reported to GDB on startup that we don't support
|
If we reported to GDB on startup that we don't support
|
qXfer:feature:read at all, we will never be re-queried. */
|
qXfer:feature:read at all, we will never be re-queried. */
|
strcat (own_buf, ";qXfer:features:read+");
|
strcat (own_buf, ";qXfer:features:read+");
|
|
|
if (transport_is_reliable)
|
if (transport_is_reliable)
|
strcat (own_buf, ";QStartNoAckMode+");
|
strcat (own_buf, ";QStartNoAckMode+");
|
|
|
if (the_target->qxfer_osdata != NULL)
|
if (the_target->qxfer_osdata != NULL)
|
strcat (own_buf, ";qXfer:osdata:read+");
|
strcat (own_buf, ";qXfer:osdata:read+");
|
|
|
if (target_supports_multi_process ())
|
if (target_supports_multi_process ())
|
strcat (own_buf, ";multiprocess+");
|
strcat (own_buf, ";multiprocess+");
|
|
|
if (target_supports_non_stop ())
|
if (target_supports_non_stop ())
|
strcat (own_buf, ";QNonStop+");
|
strcat (own_buf, ";QNonStop+");
|
|
|
strcat (own_buf, ";qXfer:threads:read+");
|
strcat (own_buf, ";qXfer:threads:read+");
|
|
|
return;
|
return;
|
}
|
}
|
|
|
/* Thread-local storage support. */
|
/* Thread-local storage support. */
|
if (the_target->get_tls_address != NULL
|
if (the_target->get_tls_address != NULL
|
&& strncmp ("qGetTLSAddr:", own_buf, 12) == 0)
|
&& strncmp ("qGetTLSAddr:", own_buf, 12) == 0)
|
{
|
{
|
char *p = own_buf + 12;
|
char *p = own_buf + 12;
|
CORE_ADDR parts[2], address = 0;
|
CORE_ADDR parts[2], address = 0;
|
int i, err;
|
int i, err;
|
ptid_t ptid = null_ptid;
|
ptid_t ptid = null_ptid;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
for (i = 0; i < 3; i++)
|
for (i = 0; i < 3; i++)
|
{
|
{
|
char *p2;
|
char *p2;
|
int len;
|
int len;
|
|
|
if (p == NULL)
|
if (p == NULL)
|
break;
|
break;
|
|
|
p2 = strchr (p, ',');
|
p2 = strchr (p, ',');
|
if (p2)
|
if (p2)
|
{
|
{
|
len = p2 - p;
|
len = p2 - p;
|
p2++;
|
p2++;
|
}
|
}
|
else
|
else
|
{
|
{
|
len = strlen (p);
|
len = strlen (p);
|
p2 = NULL;
|
p2 = NULL;
|
}
|
}
|
|
|
if (i == 0)
|
if (i == 0)
|
ptid = read_ptid (p, NULL);
|
ptid = read_ptid (p, NULL);
|
else
|
else
|
decode_address (&parts[i - 1], p, len);
|
decode_address (&parts[i - 1], p, len);
|
p = p2;
|
p = p2;
|
}
|
}
|
|
|
if (p != NULL || i < 3)
|
if (p != NULL || i < 3)
|
err = 1;
|
err = 1;
|
else
|
else
|
{
|
{
|
struct thread_info *thread = find_thread_ptid (ptid);
|
struct thread_info *thread = find_thread_ptid (ptid);
|
|
|
if (thread == NULL)
|
if (thread == NULL)
|
err = 2;
|
err = 2;
|
else
|
else
|
err = the_target->get_tls_address (thread, parts[0], parts[1],
|
err = the_target->get_tls_address (thread, parts[0], parts[1],
|
&address);
|
&address);
|
}
|
}
|
|
|
if (err == 0)
|
if (err == 0)
|
{
|
{
|
sprintf (own_buf, "%llx", address);
|
sprintf (own_buf, "%llx", address);
|
return;
|
return;
|
}
|
}
|
else if (err > 0)
|
else if (err > 0)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise, pretend we do not understand this packet. */
|
/* Otherwise, pretend we do not understand this packet. */
|
}
|
}
|
|
|
/* Handle "monitor" commands. */
|
/* Handle "monitor" commands. */
|
if (strncmp ("qRcmd,", own_buf, 6) == 0)
|
if (strncmp ("qRcmd,", own_buf, 6) == 0)
|
{
|
{
|
char *mon = malloc (PBUFSIZ);
|
char *mon = malloc (PBUFSIZ);
|
int len = strlen (own_buf + 6);
|
int len = strlen (own_buf + 6);
|
|
|
if (mon == NULL)
|
if (mon == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if ((len % 2) != 0 || unhexify (mon, own_buf + 6, len / 2) != len / 2)
|
if ((len % 2) != 0 || unhexify (mon, own_buf + 6, len / 2) != len / 2)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
free (mon);
|
free (mon);
|
return;
|
return;
|
}
|
}
|
mon[len / 2] = '\0';
|
mon[len / 2] = '\0';
|
|
|
write_ok (own_buf);
|
write_ok (own_buf);
|
|
|
if (the_target->handle_monitor_command == NULL
|
if (the_target->handle_monitor_command == NULL
|
|| (*the_target->handle_monitor_command) (mon) == 0)
|
|| (*the_target->handle_monitor_command) (mon) == 0)
|
/* Default processing. */
|
/* Default processing. */
|
handle_monitor_command (mon);
|
handle_monitor_command (mon);
|
|
|
free (mon);
|
free (mon);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qSearch:memory:", own_buf, sizeof ("qSearch:memory:") - 1) == 0)
|
if (strncmp ("qSearch:memory:", own_buf, sizeof ("qSearch:memory:") - 1) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
handle_search_memory (own_buf, packet_len);
|
handle_search_memory (own_buf, packet_len);
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp (own_buf, "qAttached") == 0
|
if (strcmp (own_buf, "qAttached") == 0
|
|| strncmp (own_buf, "qAttached:", sizeof ("qAttached:") - 1) == 0)
|
|| strncmp (own_buf, "qAttached:", sizeof ("qAttached:") - 1) == 0)
|
{
|
{
|
struct process_info *process;
|
struct process_info *process;
|
|
|
if (own_buf[sizeof ("qAttached") - 1])
|
if (own_buf[sizeof ("qAttached") - 1])
|
{
|
{
|
int pid = strtoul (own_buf + sizeof ("qAttached:") - 1, NULL, 16);
|
int pid = strtoul (own_buf + sizeof ("qAttached:") - 1, NULL, 16);
|
process = (struct process_info *)
|
process = (struct process_info *)
|
find_inferior_id (&all_processes, pid_to_ptid (pid));
|
find_inferior_id (&all_processes, pid_to_ptid (pid));
|
}
|
}
|
else
|
else
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
process = current_process ();
|
process = current_process ();
|
}
|
}
|
|
|
if (process == NULL)
|
if (process == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
strcpy (own_buf, process->attached ? "1" : "0");
|
strcpy (own_buf, process->attached ? "1" : "0");
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
}
|
}
|
|
|
/* Parse vCont packets. */
|
/* Parse vCont packets. */
|
void
|
void
|
handle_v_cont (char *own_buf)
|
handle_v_cont (char *own_buf)
|
{
|
{
|
char *p, *q;
|
char *p, *q;
|
int n = 0, i = 0;
|
int n = 0, i = 0;
|
struct thread_resume *resume_info;
|
struct thread_resume *resume_info;
|
struct thread_resume default_action = {{0}};
|
struct thread_resume default_action = {{0}};
|
|
|
/* Count the number of semicolons in the packet. There should be one
|
/* Count the number of semicolons in the packet. There should be one
|
for every action. */
|
for every action. */
|
p = &own_buf[5];
|
p = &own_buf[5];
|
while (p)
|
while (p)
|
{
|
{
|
n++;
|
n++;
|
p++;
|
p++;
|
p = strchr (p, ';');
|
p = strchr (p, ';');
|
}
|
}
|
|
|
resume_info = malloc (n * sizeof (resume_info[0]));
|
resume_info = malloc (n * sizeof (resume_info[0]));
|
if (resume_info == NULL)
|
if (resume_info == NULL)
|
goto err;
|
goto err;
|
|
|
p = &own_buf[5];
|
p = &own_buf[5];
|
while (*p)
|
while (*p)
|
{
|
{
|
p++;
|
p++;
|
|
|
if (p[0] == 's' || p[0] == 'S')
|
if (p[0] == 's' || p[0] == 'S')
|
resume_info[i].kind = resume_step;
|
resume_info[i].kind = resume_step;
|
else if (p[0] == 'c' || p[0] == 'C')
|
else if (p[0] == 'c' || p[0] == 'C')
|
resume_info[i].kind = resume_continue;
|
resume_info[i].kind = resume_continue;
|
else if (p[0] == 't')
|
else if (p[0] == 't')
|
resume_info[i].kind = resume_stop;
|
resume_info[i].kind = resume_stop;
|
else
|
else
|
goto err;
|
goto err;
|
|
|
if (p[0] == 'S' || p[0] == 'C')
|
if (p[0] == 'S' || p[0] == 'C')
|
{
|
{
|
int sig;
|
int sig;
|
sig = strtol (p + 1, &q, 16);
|
sig = strtol (p + 1, &q, 16);
|
if (p == q)
|
if (p == q)
|
goto err;
|
goto err;
|
p = q;
|
p = q;
|
|
|
if (!target_signal_to_host_p (sig))
|
if (!target_signal_to_host_p (sig))
|
goto err;
|
goto err;
|
resume_info[i].sig = target_signal_to_host (sig);
|
resume_info[i].sig = target_signal_to_host (sig);
|
}
|
}
|
else
|
else
|
{
|
{
|
resume_info[i].sig = 0;
|
resume_info[i].sig = 0;
|
p = p + 1;
|
p = p + 1;
|
}
|
}
|
|
|
if (p[0] == 0)
|
if (p[0] == 0)
|
{
|
{
|
resume_info[i].thread = minus_one_ptid;
|
resume_info[i].thread = minus_one_ptid;
|
default_action = resume_info[i];
|
default_action = resume_info[i];
|
|
|
/* Note: we don't increment i here, we'll overwrite this entry
|
/* Note: we don't increment i here, we'll overwrite this entry
|
the next time through. */
|
the next time through. */
|
}
|
}
|
else if (p[0] == ':')
|
else if (p[0] == ':')
|
{
|
{
|
ptid_t ptid = read_ptid (p + 1, &q);
|
ptid_t ptid = read_ptid (p + 1, &q);
|
|
|
if (p == q)
|
if (p == q)
|
goto err;
|
goto err;
|
p = q;
|
p = q;
|
if (p[0] != ';' && p[0] != 0)
|
if (p[0] != ';' && p[0] != 0)
|
goto err;
|
goto err;
|
|
|
resume_info[i].thread = ptid;
|
resume_info[i].thread = ptid;
|
|
|
i++;
|
i++;
|
}
|
}
|
}
|
}
|
|
|
if (i < n)
|
if (i < n)
|
resume_info[i] = default_action;
|
resume_info[i] = default_action;
|
|
|
/* Still used in occasional places in the backend. */
|
/* Still used in occasional places in the backend. */
|
if (n == 1
|
if (n == 1
|
&& !ptid_equal (resume_info[0].thread, minus_one_ptid)
|
&& !ptid_equal (resume_info[0].thread, minus_one_ptid)
|
&& resume_info[0].kind != resume_stop)
|
&& resume_info[0].kind != resume_stop)
|
cont_thread = resume_info[0].thread;
|
cont_thread = resume_info[0].thread;
|
else
|
else
|
cont_thread = minus_one_ptid;
|
cont_thread = minus_one_ptid;
|
set_desired_inferior (0);
|
set_desired_inferior (0);
|
|
|
if (!non_stop)
|
if (!non_stop)
|
enable_async_io ();
|
enable_async_io ();
|
|
|
(*the_target->resume) (resume_info, n);
|
(*the_target->resume) (resume_info, n);
|
|
|
free (resume_info);
|
free (resume_info);
|
|
|
if (non_stop)
|
if (non_stop)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
{
|
{
|
last_ptid = mywait (minus_one_ptid, &last_status, 0, 1);
|
last_ptid = mywait (minus_one_ptid, &last_status, 0, 1);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
disable_async_io ();
|
disable_async_io ();
|
}
|
}
|
return;
|
return;
|
|
|
err:
|
err:
|
write_enn (own_buf);
|
write_enn (own_buf);
|
free (resume_info);
|
free (resume_info);
|
return;
|
return;
|
}
|
}
|
|
|
/* Attach to a new program. Return 1 if successful, 0 if failure. */
|
/* Attach to a new program. Return 1 if successful, 0 if failure. */
|
int
|
int
|
handle_v_attach (char *own_buf)
|
handle_v_attach (char *own_buf)
|
{
|
{
|
int pid;
|
int pid;
|
|
|
pid = strtol (own_buf + 8, NULL, 16);
|
pid = strtol (own_buf + 8, NULL, 16);
|
if (pid != 0 && attach_inferior (pid) == 0)
|
if (pid != 0 && attach_inferior (pid) == 0)
|
{
|
{
|
/* Don't report shared library events after attaching, even if
|
/* Don't report shared library events after attaching, even if
|
some libraries are preloaded. GDB will always poll the
|
some libraries are preloaded. GDB will always poll the
|
library list. Avoids the "stopped by shared library event"
|
library list. Avoids the "stopped by shared library event"
|
notice on the GDB side. */
|
notice on the GDB side. */
|
dlls_changed = 0;
|
dlls_changed = 0;
|
|
|
if (non_stop)
|
if (non_stop)
|
{
|
{
|
/* In non-stop, we don't send a resume reply. Stop events
|
/* In non-stop, we don't send a resume reply. Stop events
|
will follow up using the normal notification
|
will follow up using the normal notification
|
mechanism. */
|
mechanism. */
|
write_ok (own_buf);
|
write_ok (own_buf);
|
}
|
}
|
else
|
else
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
|
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Run a new program. Return 1 if successful, 0 if failure. */
|
/* Run a new program. Return 1 if successful, 0 if failure. */
|
static int
|
static int
|
handle_v_run (char *own_buf)
|
handle_v_run (char *own_buf)
|
{
|
{
|
char *p, *next_p, **new_argv;
|
char *p, *next_p, **new_argv;
|
int i, new_argc;
|
int i, new_argc;
|
|
|
new_argc = 0;
|
new_argc = 0;
|
for (p = own_buf + strlen ("vRun;"); p && *p; p = strchr (p, ';'))
|
for (p = own_buf + strlen ("vRun;"); p && *p; p = strchr (p, ';'))
|
{
|
{
|
p++;
|
p++;
|
new_argc++;
|
new_argc++;
|
}
|
}
|
|
|
new_argv = calloc (new_argc + 2, sizeof (char *));
|
new_argv = calloc (new_argc + 2, sizeof (char *));
|
if (new_argv == NULL)
|
if (new_argv == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
i = 0;
|
i = 0;
|
for (p = own_buf + strlen ("vRun;"); *p; p = next_p)
|
for (p = own_buf + strlen ("vRun;"); *p; p = next_p)
|
{
|
{
|
next_p = strchr (p, ';');
|
next_p = strchr (p, ';');
|
if (next_p == NULL)
|
if (next_p == NULL)
|
next_p = p + strlen (p);
|
next_p = p + strlen (p);
|
|
|
if (i == 0 && p == next_p)
|
if (i == 0 && p == next_p)
|
new_argv[i] = NULL;
|
new_argv[i] = NULL;
|
else
|
else
|
{
|
{
|
/* FIXME: Fail request if out of memory instead of dying. */
|
/* FIXME: Fail request if out of memory instead of dying. */
|
new_argv[i] = xmalloc (1 + (next_p - p) / 2);
|
new_argv[i] = xmalloc (1 + (next_p - p) / 2);
|
unhexify (new_argv[i], p, (next_p - p) / 2);
|
unhexify (new_argv[i], p, (next_p - p) / 2);
|
new_argv[i][(next_p - p) / 2] = '\0';
|
new_argv[i][(next_p - p) / 2] = '\0';
|
}
|
}
|
|
|
if (*next_p)
|
if (*next_p)
|
next_p++;
|
next_p++;
|
i++;
|
i++;
|
}
|
}
|
new_argv[i] = NULL;
|
new_argv[i] = NULL;
|
|
|
if (new_argv[0] == NULL)
|
if (new_argv[0] == NULL)
|
{
|
{
|
/* GDB didn't specify a program to run. Use the program from the
|
/* GDB didn't specify a program to run. Use the program from the
|
last run with the new argument list. */
|
last run with the new argument list. */
|
|
|
if (program_argv == NULL)
|
if (program_argv == NULL)
|
{
|
{
|
/* FIXME: new_argv memory leak */
|
/* FIXME: new_argv memory leak */
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
new_argv[0] = strdup (program_argv[0]);
|
new_argv[0] = strdup (program_argv[0]);
|
if (new_argv[0] == NULL)
|
if (new_argv[0] == NULL)
|
{
|
{
|
/* FIXME: new_argv memory leak */
|
/* FIXME: new_argv memory leak */
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Free the old argv and install the new one. */
|
/* Free the old argv and install the new one. */
|
freeargv (program_argv);
|
freeargv (program_argv);
|
program_argv = new_argv;
|
program_argv = new_argv;
|
|
|
start_inferior (program_argv);
|
start_inferior (program_argv);
|
if (last_status.kind == TARGET_WAITKIND_STOPPED)
|
if (last_status.kind == TARGET_WAITKIND_STOPPED)
|
{
|
{
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
|
|
/* In non-stop, sending a resume reply doesn't set the general
|
/* In non-stop, sending a resume reply doesn't set the general
|
thread, but GDB assumes a vRun sets it (this is so GDB can
|
thread, but GDB assumes a vRun sets it (this is so GDB can
|
query which is the main thread of the new inferior. */
|
query which is the main thread of the new inferior. */
|
if (non_stop)
|
if (non_stop)
|
general_thread = last_ptid;
|
general_thread = last_ptid;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Kill process. Return 1 if successful, 0 if failure. */
|
/* Kill process. Return 1 if successful, 0 if failure. */
|
int
|
int
|
handle_v_kill (char *own_buf)
|
handle_v_kill (char *own_buf)
|
{
|
{
|
int pid;
|
int pid;
|
char *p = &own_buf[6];
|
char *p = &own_buf[6];
|
if (multi_process)
|
if (multi_process)
|
pid = strtol (p, NULL, 16);
|
pid = strtol (p, NULL, 16);
|
else
|
else
|
pid = signal_pid;
|
pid = signal_pid;
|
if (pid != 0 && kill_inferior (pid) == 0)
|
if (pid != 0 && kill_inferior (pid) == 0)
|
{
|
{
|
last_status.kind = TARGET_WAITKIND_SIGNALLED;
|
last_status.kind = TARGET_WAITKIND_SIGNALLED;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
last_ptid = pid_to_ptid (pid);
|
last_ptid = pid_to_ptid (pid);
|
discard_queued_stop_replies (pid);
|
discard_queued_stop_replies (pid);
|
write_ok (own_buf);
|
write_ok (own_buf);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Handle a 'vStopped' packet. */
|
/* Handle a 'vStopped' packet. */
|
static void
|
static void
|
handle_v_stopped (char *own_buf)
|
handle_v_stopped (char *own_buf)
|
{
|
{
|
/* If we're waiting for GDB to acknowledge a pending stop reply,
|
/* If we're waiting for GDB to acknowledge a pending stop reply,
|
consider that done. */
|
consider that done. */
|
if (notif_queue)
|
if (notif_queue)
|
{
|
{
|
struct vstop_notif *head;
|
struct vstop_notif *head;
|
|
|
if (remote_debug)
|
if (remote_debug)
|
fprintf (stderr, "vStopped: acking %s\n",
|
fprintf (stderr, "vStopped: acking %s\n",
|
target_pid_to_str (notif_queue->ptid));
|
target_pid_to_str (notif_queue->ptid));
|
|
|
head = notif_queue;
|
head = notif_queue;
|
notif_queue = notif_queue->next;
|
notif_queue = notif_queue->next;
|
free (head);
|
free (head);
|
}
|
}
|
|
|
/* Push another stop reply, or if there are no more left, an OK. */
|
/* Push another stop reply, or if there are no more left, an OK. */
|
send_next_stop_reply (own_buf);
|
send_next_stop_reply (own_buf);
|
}
|
}
|
|
|
/* Handle all of the extended 'v' packets. */
|
/* Handle all of the extended 'v' packets. */
|
void
|
void
|
handle_v_requests (char *own_buf, int packet_len, int *new_packet_len)
|
handle_v_requests (char *own_buf, int packet_len, int *new_packet_len)
|
{
|
{
|
if (!disable_packet_vCont)
|
if (!disable_packet_vCont)
|
{
|
{
|
if (strncmp (own_buf, "vCont;", 6) == 0)
|
if (strncmp (own_buf, "vCont;", 6) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
handle_v_cont (own_buf);
|
handle_v_cont (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vCont?", 6) == 0)
|
if (strncmp (own_buf, "vCont?", 6) == 0)
|
{
|
{
|
strcpy (own_buf, "vCont;c;C;s;S;t");
|
strcpy (own_buf, "vCont;c;C;s;S;t");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
if (strncmp (own_buf, "vFile:", 6) == 0
|
if (strncmp (own_buf, "vFile:", 6) == 0
|
&& handle_vFile (own_buf, packet_len, new_packet_len))
|
&& handle_vFile (own_buf, packet_len, new_packet_len))
|
return;
|
return;
|
|
|
if (strncmp (own_buf, "vAttach;", 8) == 0)
|
if (strncmp (own_buf, "vAttach;", 8) == 0)
|
{
|
{
|
if (!multi_process && target_running ())
|
if (!multi_process && target_running ())
|
{
|
{
|
fprintf (stderr, "Already debugging a process\n");
|
fprintf (stderr, "Already debugging a process\n");
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
handle_v_attach (own_buf);
|
handle_v_attach (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vRun;", 5) == 0)
|
if (strncmp (own_buf, "vRun;", 5) == 0)
|
{
|
{
|
if (!multi_process && target_running ())
|
if (!multi_process && target_running ())
|
{
|
{
|
fprintf (stderr, "Already debugging a process\n");
|
fprintf (stderr, "Already debugging a process\n");
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
handle_v_run (own_buf);
|
handle_v_run (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vKill;", 6) == 0)
|
if (strncmp (own_buf, "vKill;", 6) == 0)
|
{
|
{
|
if (!target_running ())
|
if (!target_running ())
|
{
|
{
|
fprintf (stderr, "No process to kill\n");
|
fprintf (stderr, "No process to kill\n");
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
handle_v_kill (own_buf);
|
handle_v_kill (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vStopped", 8) == 0)
|
if (strncmp (own_buf, "vStopped", 8) == 0)
|
{
|
{
|
handle_v_stopped (own_buf);
|
handle_v_stopped (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
return;
|
return;
|
}
|
}
|
|
|
/* Resume inferior and wait for another event. In non-stop mode,
|
/* Resume inferior and wait for another event. In non-stop mode,
|
don't really wait here, but return immediatelly to the event
|
don't really wait here, but return immediatelly to the event
|
loop. */
|
loop. */
|
void
|
void
|
myresume (char *own_buf, int step, int sig)
|
myresume (char *own_buf, int step, int sig)
|
{
|
{
|
struct thread_resume resume_info[2];
|
struct thread_resume resume_info[2];
|
int n = 0;
|
int n = 0;
|
int valid_cont_thread;
|
int valid_cont_thread;
|
|
|
set_desired_inferior (0);
|
set_desired_inferior (0);
|
|
|
valid_cont_thread = (!ptid_equal (cont_thread, null_ptid)
|
valid_cont_thread = (!ptid_equal (cont_thread, null_ptid)
|
&& !ptid_equal (cont_thread, minus_one_ptid));
|
&& !ptid_equal (cont_thread, minus_one_ptid));
|
|
|
if (step || sig || valid_cont_thread)
|
if (step || sig || valid_cont_thread)
|
{
|
{
|
resume_info[0].thread
|
resume_info[0].thread
|
= ((struct inferior_list_entry *) current_inferior)->id;
|
= ((struct inferior_list_entry *) current_inferior)->id;
|
if (step)
|
if (step)
|
resume_info[0].kind = resume_step;
|
resume_info[0].kind = resume_step;
|
else
|
else
|
resume_info[0].kind = resume_continue;
|
resume_info[0].kind = resume_continue;
|
resume_info[0].sig = sig;
|
resume_info[0].sig = sig;
|
n++;
|
n++;
|
}
|
}
|
|
|
if (!valid_cont_thread)
|
if (!valid_cont_thread)
|
{
|
{
|
resume_info[n].thread = minus_one_ptid;
|
resume_info[n].thread = minus_one_ptid;
|
resume_info[n].kind = resume_continue;
|
resume_info[n].kind = resume_continue;
|
resume_info[n].sig = 0;
|
resume_info[n].sig = 0;
|
n++;
|
n++;
|
}
|
}
|
|
|
if (!non_stop)
|
if (!non_stop)
|
enable_async_io ();
|
enable_async_io ();
|
|
|
(*the_target->resume) (resume_info, n);
|
(*the_target->resume) (resume_info, n);
|
|
|
if (non_stop)
|
if (non_stop)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
{
|
{
|
last_ptid = mywait (minus_one_ptid, &last_status, 0, 1);
|
last_ptid = mywait (minus_one_ptid, &last_status, 0, 1);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
prepare_resume_reply (own_buf, last_ptid, &last_status);
|
disable_async_io ();
|
disable_async_io ();
|
}
|
}
|
}
|
}
|
|
|
/* Callback for for_each_inferior. Make a new stop reply for each
|
/* Callback for for_each_inferior. Make a new stop reply for each
|
stopped thread. */
|
stopped thread. */
|
|
|
static int
|
static int
|
queue_stop_reply_callback (struct inferior_list_entry *entry, void *arg)
|
queue_stop_reply_callback (struct inferior_list_entry *entry, void *arg)
|
{
|
{
|
int pid = * (int *) arg;
|
int pid = * (int *) arg;
|
|
|
if (pid == -1
|
if (pid == -1
|
|| ptid_get_pid (entry->id) == pid)
|
|| ptid_get_pid (entry->id) == pid)
|
{
|
{
|
struct target_waitstatus status;
|
struct target_waitstatus status;
|
|
|
status.kind = TARGET_WAITKIND_STOPPED;
|
status.kind = TARGET_WAITKIND_STOPPED;
|
status.value.sig = TARGET_SIGNAL_TRAP;
|
status.value.sig = TARGET_SIGNAL_TRAP;
|
|
|
/* Pass the last stop reply back to GDB, but don't notify. */
|
/* Pass the last stop reply back to GDB, but don't notify. */
|
queue_stop_reply (entry->id, &status);
|
queue_stop_reply (entry->id, &status);
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Status handler for the '?' packet. */
|
/* Status handler for the '?' packet. */
|
|
|
static void
|
static void
|
handle_status (char *own_buf)
|
handle_status (char *own_buf)
|
{
|
{
|
struct target_waitstatus status;
|
struct target_waitstatus status;
|
status.kind = TARGET_WAITKIND_STOPPED;
|
status.kind = TARGET_WAITKIND_STOPPED;
|
status.value.sig = TARGET_SIGNAL_TRAP;
|
status.value.sig = TARGET_SIGNAL_TRAP;
|
|
|
/* In non-stop mode, we must send a stop reply for each stopped
|
/* In non-stop mode, we must send a stop reply for each stopped
|
thread. In all-stop mode, just send one for the first stopped
|
thread. In all-stop mode, just send one for the first stopped
|
thread we find. */
|
thread we find. */
|
|
|
if (non_stop)
|
if (non_stop)
|
{
|
{
|
int pid = -1;
|
int pid = -1;
|
discard_queued_stop_replies (pid);
|
discard_queued_stop_replies (pid);
|
find_inferior (&all_threads, queue_stop_reply_callback, &pid);
|
find_inferior (&all_threads, queue_stop_reply_callback, &pid);
|
|
|
/* The first is sent immediatly. OK is sent if there is no
|
/* The first is sent immediatly. OK is sent if there is no
|
stopped thread, which is the same handling of the vStopped
|
stopped thread, which is the same handling of the vStopped
|
packet (by design). */
|
packet (by design). */
|
send_next_stop_reply (own_buf);
|
send_next_stop_reply (own_buf);
|
}
|
}
|
else
|
else
|
{
|
{
|
if (all_threads.head)
|
if (all_threads.head)
|
prepare_resume_reply (own_buf,
|
prepare_resume_reply (own_buf,
|
all_threads.head->id, &status);
|
all_threads.head->id, &status);
|
else
|
else
|
strcpy (own_buf, "W00");
|
strcpy (own_buf, "W00");
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
gdbserver_version (void)
|
gdbserver_version (void)
|
{
|
{
|
printf ("GNU gdbserver %s%s\n"
|
printf ("GNU gdbserver %s%s\n"
|
"Copyright (C) 2010 Free Software Foundation, Inc.\n"
|
"Copyright (C) 2010 Free Software Foundation, Inc.\n"
|
"gdbserver is free software, covered by the GNU General Public License.\n"
|
"gdbserver is free software, covered by the GNU General Public License.\n"
|
"This gdbserver was configured as \"%s\"\n",
|
"This gdbserver was configured as \"%s\"\n",
|
PKGVERSION, version, host_name);
|
PKGVERSION, version, host_name);
|
}
|
}
|
|
|
static void
|
static void
|
gdbserver_usage (FILE *stream)
|
gdbserver_usage (FILE *stream)
|
{
|
{
|
fprintf (stream, "Usage:\tgdbserver [OPTIONS] COMM PROG [ARGS ...]\n"
|
fprintf (stream, "Usage:\tgdbserver [OPTIONS] COMM PROG [ARGS ...]\n"
|
"\tgdbserver [OPTIONS] --attach COMM PID\n"
|
"\tgdbserver [OPTIONS] --attach COMM PID\n"
|
"\tgdbserver [OPTIONS] --multi COMM\n"
|
"\tgdbserver [OPTIONS] --multi COMM\n"
|
"\n"
|
"\n"
|
"COMM may either be a tty device (for serial debugging), or \n"
|
"COMM may either be a tty device (for serial debugging), or \n"
|
"HOST:PORT to listen for a TCP connection.\n"
|
"HOST:PORT to listen for a TCP connection.\n"
|
"\n"
|
"\n"
|
"Options:\n"
|
"Options:\n"
|
" --debug Enable general debugging output.\n"
|
" --debug Enable general debugging output.\n"
|
" --remote-debug Enable remote protocol debugging output.\n"
|
" --remote-debug Enable remote protocol debugging output.\n"
|
" --version Display version information and exit.\n"
|
" --version Display version information and exit.\n"
|
" --wrapper WRAPPER -- Run WRAPPER to start new programs.\n");
|
" --wrapper WRAPPER -- Run WRAPPER to start new programs.\n");
|
if (REPORT_BUGS_TO[0] && stream == stdout)
|
if (REPORT_BUGS_TO[0] && stream == stdout)
|
fprintf (stream, "Report bugs to \"%s\".\n", REPORT_BUGS_TO);
|
fprintf (stream, "Report bugs to \"%s\".\n", REPORT_BUGS_TO);
|
}
|
}
|
|
|
static void
|
static void
|
gdbserver_show_disableable (FILE *stream)
|
gdbserver_show_disableable (FILE *stream)
|
{
|
{
|
fprintf (stream, "Disableable packets:\n"
|
fprintf (stream, "Disableable packets:\n"
|
" vCont \tAll vCont packets\n"
|
" vCont \tAll vCont packets\n"
|
" qC \tQuerying the current thread\n"
|
" qC \tQuerying the current thread\n"
|
" qfThreadInfo\tThread listing\n"
|
" qfThreadInfo\tThread listing\n"
|
" Tthread \tPassing the thread specifier in the T stop reply packet\n"
|
" Tthread \tPassing the thread specifier in the T stop reply packet\n"
|
" threads \tAll of the above\n");
|
" threads \tAll of the above\n");
|
}
|
}
|
|
|
|
|
#undef require_running
|
#undef require_running
|
#define require_running(BUF) \
|
#define require_running(BUF) \
|
if (!target_running ()) \
|
if (!target_running ()) \
|
{ \
|
{ \
|
write_enn (BUF); \
|
write_enn (BUF); \
|
break; \
|
break; \
|
}
|
}
|
|
|
static int
|
static int
|
first_thread_of (struct inferior_list_entry *entry, void *args)
|
first_thread_of (struct inferior_list_entry *entry, void *args)
|
{
|
{
|
int pid = * (int *) args;
|
int pid = * (int *) args;
|
|
|
if (ptid_get_pid (entry->id) == pid)
|
if (ptid_get_pid (entry->id) == pid)
|
return 1;
|
return 1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
kill_inferior_callback (struct inferior_list_entry *entry)
|
kill_inferior_callback (struct inferior_list_entry *entry)
|
{
|
{
|
struct process_info *process = (struct process_info *) entry;
|
struct process_info *process = (struct process_info *) entry;
|
int pid = ptid_get_pid (process->head.id);
|
int pid = ptid_get_pid (process->head.id);
|
|
|
kill_inferior (pid);
|
kill_inferior (pid);
|
discard_queued_stop_replies (pid);
|
discard_queued_stop_replies (pid);
|
}
|
}
|
|
|
/* Callback for for_each_inferior to detach or kill the inferior,
|
/* Callback for for_each_inferior to detach or kill the inferior,
|
depending on whether we attached to it or not.
|
depending on whether we attached to it or not.
|
We inform the user whether we're detaching or killing the process
|
We inform the user whether we're detaching or killing the process
|
as this is only called when gdbserver is about to exit. */
|
as this is only called when gdbserver is about to exit. */
|
|
|
static void
|
static void
|
detach_or_kill_inferior_callback (struct inferior_list_entry *entry)
|
detach_or_kill_inferior_callback (struct inferior_list_entry *entry)
|
{
|
{
|
struct process_info *process = (struct process_info *) entry;
|
struct process_info *process = (struct process_info *) entry;
|
int pid = ptid_get_pid (process->head.id);
|
int pid = ptid_get_pid (process->head.id);
|
|
|
if (process->attached)
|
if (process->attached)
|
detach_inferior (pid);
|
detach_inferior (pid);
|
else
|
else
|
kill_inferior (pid);
|
kill_inferior (pid);
|
|
|
discard_queued_stop_replies (pid);
|
discard_queued_stop_replies (pid);
|
}
|
}
|
|
|
/* for_each_inferior callback for detach_or_kill_for_exit to print
|
/* for_each_inferior callback for detach_or_kill_for_exit to print
|
the pids of started inferiors. */
|
the pids of started inferiors. */
|
|
|
static void
|
static void
|
print_started_pid (struct inferior_list_entry *entry)
|
print_started_pid (struct inferior_list_entry *entry)
|
{
|
{
|
struct process_info *process = (struct process_info *) entry;
|
struct process_info *process = (struct process_info *) entry;
|
|
|
if (! process->attached)
|
if (! process->attached)
|
{
|
{
|
int pid = ptid_get_pid (process->head.id);
|
int pid = ptid_get_pid (process->head.id);
|
fprintf (stderr, " %d", pid);
|
fprintf (stderr, " %d", pid);
|
}
|
}
|
}
|
}
|
|
|
/* for_each_inferior callback for detach_or_kill_for_exit to print
|
/* for_each_inferior callback for detach_or_kill_for_exit to print
|
the pids of attached inferiors. */
|
the pids of attached inferiors. */
|
|
|
static void
|
static void
|
print_attached_pid (struct inferior_list_entry *entry)
|
print_attached_pid (struct inferior_list_entry *entry)
|
{
|
{
|
struct process_info *process = (struct process_info *) entry;
|
struct process_info *process = (struct process_info *) entry;
|
|
|
if (process->attached)
|
if (process->attached)
|
{
|
{
|
int pid = ptid_get_pid (process->head.id);
|
int pid = ptid_get_pid (process->head.id);
|
fprintf (stderr, " %d", pid);
|
fprintf (stderr, " %d", pid);
|
}
|
}
|
}
|
}
|
|
|
/* Call this when exiting gdbserver with possible inferiors that need
|
/* Call this when exiting gdbserver with possible inferiors that need
|
to be killed or detached from. */
|
to be killed or detached from. */
|
|
|
static void
|
static void
|
detach_or_kill_for_exit (void)
|
detach_or_kill_for_exit (void)
|
{
|
{
|
/* First print a list of the inferiors we will be killing/detaching.
|
/* First print a list of the inferiors we will be killing/detaching.
|
This is to assist the user, for example, in case the inferior unexpectedly
|
This is to assist the user, for example, in case the inferior unexpectedly
|
dies after we exit: did we screw up or did the inferior exit on its own?
|
dies after we exit: did we screw up or did the inferior exit on its own?
|
Having this info will save some head-scratching. */
|
Having this info will save some head-scratching. */
|
|
|
if (have_started_inferiors_p ())
|
if (have_started_inferiors_p ())
|
{
|
{
|
fprintf (stderr, "Killing process(es):");
|
fprintf (stderr, "Killing process(es):");
|
for_each_inferior (&all_processes, print_started_pid);
|
for_each_inferior (&all_processes, print_started_pid);
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
if (have_attached_inferiors_p ())
|
if (have_attached_inferiors_p ())
|
{
|
{
|
fprintf (stderr, "Detaching process(es):");
|
fprintf (stderr, "Detaching process(es):");
|
for_each_inferior (&all_processes, print_attached_pid);
|
for_each_inferior (&all_processes, print_attached_pid);
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
/* Now we can kill or detach the inferiors. */
|
/* Now we can kill or detach the inferiors. */
|
|
|
for_each_inferior (&all_processes, detach_or_kill_inferior_callback);
|
for_each_inferior (&all_processes, detach_or_kill_inferior_callback);
|
}
|
}
|
|
|
static void
|
static void
|
join_inferiors_callback (struct inferior_list_entry *entry)
|
join_inferiors_callback (struct inferior_list_entry *entry)
|
{
|
{
|
struct process_info *process = (struct process_info *) entry;
|
struct process_info *process = (struct process_info *) entry;
|
|
|
/* If we are attached, then we can exit. Otherwise, we need to hang
|
/* If we are attached, then we can exit. Otherwise, we need to hang
|
around doing nothing, until the child is gone. */
|
around doing nothing, until the child is gone. */
|
if (!process->attached)
|
if (!process->attached)
|
join_inferior (ptid_get_pid (process->head.id));
|
join_inferior (ptid_get_pid (process->head.id));
|
}
|
}
|
|
|
int
|
int
|
main (int argc, char *argv[])
|
main (int argc, char *argv[])
|
{
|
{
|
int bad_attach;
|
int bad_attach;
|
int pid;
|
int pid;
|
char *arg_end, *port;
|
char *arg_end, *port;
|
char **next_arg = &argv[1];
|
char **next_arg = &argv[1];
|
int multi_mode = 0;
|
int multi_mode = 0;
|
int attach = 0;
|
int attach = 0;
|
int was_running;
|
int was_running;
|
|
|
while (*next_arg != NULL && **next_arg == '-')
|
while (*next_arg != NULL && **next_arg == '-')
|
{
|
{
|
if (strcmp (*next_arg, "--version") == 0)
|
if (strcmp (*next_arg, "--version") == 0)
|
{
|
{
|
gdbserver_version ();
|
gdbserver_version ();
|
exit (0);
|
exit (0);
|
}
|
}
|
else if (strcmp (*next_arg, "--help") == 0)
|
else if (strcmp (*next_arg, "--help") == 0)
|
{
|
{
|
gdbserver_usage (stdout);
|
gdbserver_usage (stdout);
|
exit (0);
|
exit (0);
|
}
|
}
|
else if (strcmp (*next_arg, "--attach") == 0)
|
else if (strcmp (*next_arg, "--attach") == 0)
|
attach = 1;
|
attach = 1;
|
else if (strcmp (*next_arg, "--multi") == 0)
|
else if (strcmp (*next_arg, "--multi") == 0)
|
multi_mode = 1;
|
multi_mode = 1;
|
else if (strcmp (*next_arg, "--wrapper") == 0)
|
else if (strcmp (*next_arg, "--wrapper") == 0)
|
{
|
{
|
next_arg++;
|
next_arg++;
|
|
|
wrapper_argv = next_arg;
|
wrapper_argv = next_arg;
|
while (*next_arg != NULL && strcmp (*next_arg, "--") != 0)
|
while (*next_arg != NULL && strcmp (*next_arg, "--") != 0)
|
next_arg++;
|
next_arg++;
|
|
|
if (next_arg == wrapper_argv || *next_arg == NULL)
|
if (next_arg == wrapper_argv || *next_arg == NULL)
|
{
|
{
|
gdbserver_usage (stderr);
|
gdbserver_usage (stderr);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
/* Consume the "--". */
|
/* Consume the "--". */
|
*next_arg = NULL;
|
*next_arg = NULL;
|
}
|
}
|
else if (strcmp (*next_arg, "--debug") == 0)
|
else if (strcmp (*next_arg, "--debug") == 0)
|
debug_threads = 1;
|
debug_threads = 1;
|
else if (strcmp (*next_arg, "--remote-debug") == 0)
|
else if (strcmp (*next_arg, "--remote-debug") == 0)
|
remote_debug = 1;
|
remote_debug = 1;
|
else if (strcmp (*next_arg, "--disable-packet") == 0)
|
else if (strcmp (*next_arg, "--disable-packet") == 0)
|
{
|
{
|
gdbserver_show_disableable (stdout);
|
gdbserver_show_disableable (stdout);
|
exit (0);
|
exit (0);
|
}
|
}
|
else if (strncmp (*next_arg,
|
else if (strncmp (*next_arg,
|
"--disable-packet=",
|
"--disable-packet=",
|
sizeof ("--disable-packet=") - 1) == 0)
|
sizeof ("--disable-packet=") - 1) == 0)
|
{
|
{
|
char *packets, *tok;
|
char *packets, *tok;
|
|
|
packets = *next_arg += sizeof ("--disable-packet=") - 1;
|
packets = *next_arg += sizeof ("--disable-packet=") - 1;
|
for (tok = strtok (packets, ",");
|
for (tok = strtok (packets, ",");
|
tok != NULL;
|
tok != NULL;
|
tok = strtok (NULL, ","))
|
tok = strtok (NULL, ","))
|
{
|
{
|
if (strcmp ("vCont", tok) == 0)
|
if (strcmp ("vCont", tok) == 0)
|
disable_packet_vCont = 1;
|
disable_packet_vCont = 1;
|
else if (strcmp ("Tthread", tok) == 0)
|
else if (strcmp ("Tthread", tok) == 0)
|
disable_packet_Tthread = 1;
|
disable_packet_Tthread = 1;
|
else if (strcmp ("qC", tok) == 0)
|
else if (strcmp ("qC", tok) == 0)
|
disable_packet_qC = 1;
|
disable_packet_qC = 1;
|
else if (strcmp ("qfThreadInfo", tok) == 0)
|
else if (strcmp ("qfThreadInfo", tok) == 0)
|
disable_packet_qfThreadInfo = 1;
|
disable_packet_qfThreadInfo = 1;
|
else if (strcmp ("threads", tok) == 0)
|
else if (strcmp ("threads", tok) == 0)
|
{
|
{
|
disable_packet_vCont = 1;
|
disable_packet_vCont = 1;
|
disable_packet_Tthread = 1;
|
disable_packet_Tthread = 1;
|
disable_packet_qC = 1;
|
disable_packet_qC = 1;
|
disable_packet_qfThreadInfo = 1;
|
disable_packet_qfThreadInfo = 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
fprintf (stderr, "Don't know how to disable \"%s\".\n\n",
|
fprintf (stderr, "Don't know how to disable \"%s\".\n\n",
|
tok);
|
tok);
|
gdbserver_show_disableable (stderr);
|
gdbserver_show_disableable (stderr);
|
exit (1);
|
exit (1);
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
fprintf (stderr, "Unknown argument: %s\n", *next_arg);
|
fprintf (stderr, "Unknown argument: %s\n", *next_arg);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
next_arg++;
|
next_arg++;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (setjmp (toplevel))
|
if (setjmp (toplevel))
|
{
|
{
|
fprintf (stderr, "Exiting\n");
|
fprintf (stderr, "Exiting\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
port = *next_arg;
|
port = *next_arg;
|
next_arg++;
|
next_arg++;
|
if (port == NULL || (!attach && !multi_mode && *next_arg == NULL))
|
if (port == NULL || (!attach && !multi_mode && *next_arg == NULL))
|
{
|
{
|
gdbserver_usage (stderr);
|
gdbserver_usage (stderr);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
bad_attach = 0;
|
bad_attach = 0;
|
pid = 0;
|
pid = 0;
|
|
|
/* --attach used to come after PORT, so allow it there for
|
/* --attach used to come after PORT, so allow it there for
|
compatibility. */
|
compatibility. */
|
if (*next_arg != NULL && strcmp (*next_arg, "--attach") == 0)
|
if (*next_arg != NULL && strcmp (*next_arg, "--attach") == 0)
|
{
|
{
|
attach = 1;
|
attach = 1;
|
next_arg++;
|
next_arg++;
|
}
|
}
|
|
|
if (attach
|
if (attach
|
&& (*next_arg == NULL
|
&& (*next_arg == NULL
|
|| (*next_arg)[0] == '\0'
|
|| (*next_arg)[0] == '\0'
|
|| (pid = strtoul (*next_arg, &arg_end, 0)) == 0
|
|| (pid = strtoul (*next_arg, &arg_end, 0)) == 0
|
|| *arg_end != '\0'
|
|| *arg_end != '\0'
|
|| next_arg[1] != NULL))
|
|| next_arg[1] != NULL))
|
bad_attach = 1;
|
bad_attach = 1;
|
|
|
if (bad_attach)
|
if (bad_attach)
|
{
|
{
|
gdbserver_usage (stderr);
|
gdbserver_usage (stderr);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
initialize_inferiors ();
|
initialize_inferiors ();
|
initialize_async_io ();
|
initialize_async_io ();
|
initialize_low ();
|
initialize_low ();
|
|
|
own_buf = xmalloc (PBUFSIZ + 1);
|
own_buf = xmalloc (PBUFSIZ + 1);
|
mem_buf = xmalloc (PBUFSIZ);
|
mem_buf = xmalloc (PBUFSIZ);
|
|
|
if (pid == 0 && *next_arg != NULL)
|
if (pid == 0 && *next_arg != NULL)
|
{
|
{
|
int i, n;
|
int i, n;
|
|
|
n = argc - (next_arg - argv);
|
n = argc - (next_arg - argv);
|
program_argv = xmalloc (sizeof (char *) * (n + 1));
|
program_argv = xmalloc (sizeof (char *) * (n + 1));
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
program_argv[i] = xstrdup (next_arg[i]);
|
program_argv[i] = xstrdup (next_arg[i]);
|
program_argv[i] = NULL;
|
program_argv[i] = NULL;
|
|
|
/* Wait till we are at first instruction in program. */
|
/* Wait till we are at first instruction in program. */
|
start_inferior (program_argv);
|
start_inferior (program_argv);
|
|
|
/* We are now (hopefully) stopped at the first instruction of
|
/* We are now (hopefully) stopped at the first instruction of
|
the target process. This assumes that the target process was
|
the target process. This assumes that the target process was
|
successfully created. */
|
successfully created. */
|
}
|
}
|
else if (pid != 0)
|
else if (pid != 0)
|
{
|
{
|
if (attach_inferior (pid) == -1)
|
if (attach_inferior (pid) == -1)
|
error ("Attaching not supported on this target");
|
error ("Attaching not supported on this target");
|
|
|
/* Otherwise succeeded. */
|
/* Otherwise succeeded. */
|
}
|
}
|
else
|
else
|
{
|
{
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.value.integer = 0;
|
last_status.value.integer = 0;
|
last_ptid = minus_one_ptid;
|
last_ptid = minus_one_ptid;
|
}
|
}
|
|
|
/* Don't report shared library events on the initial connection,
|
/* Don't report shared library events on the initial connection,
|
even if some libraries are preloaded. Avoids the "stopped by
|
even if some libraries are preloaded. Avoids the "stopped by
|
shared library event" notice on gdb side. */
|
shared library event" notice on gdb side. */
|
dlls_changed = 0;
|
dlls_changed = 0;
|
|
|
if (setjmp (toplevel))
|
if (setjmp (toplevel))
|
{
|
{
|
detach_or_kill_for_exit ();
|
detach_or_kill_for_exit ();
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
if (last_status.kind == TARGET_WAITKIND_EXITED
|
if (last_status.kind == TARGET_WAITKIND_EXITED
|
|| last_status.kind == TARGET_WAITKIND_SIGNALLED)
|
|| last_status.kind == TARGET_WAITKIND_SIGNALLED)
|
was_running = 0;
|
was_running = 0;
|
else
|
else
|
was_running = 1;
|
was_running = 1;
|
|
|
if (!was_running && !multi_mode)
|
if (!was_running && !multi_mode)
|
{
|
{
|
fprintf (stderr, "No program to debug. GDBserver exiting.\n");
|
fprintf (stderr, "No program to debug. GDBserver exiting.\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
while (1)
|
while (1)
|
{
|
{
|
noack_mode = 0;
|
noack_mode = 0;
|
multi_process = 0;
|
multi_process = 0;
|
non_stop = 0;
|
non_stop = 0;
|
|
|
remote_open (port);
|
remote_open (port);
|
|
|
if (setjmp (toplevel) != 0)
|
if (setjmp (toplevel) != 0)
|
{
|
{
|
/* An error occurred. */
|
/* An error occurred. */
|
if (response_needed)
|
if (response_needed)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
putpkt (own_buf);
|
putpkt (own_buf);
|
}
|
}
|
}
|
}
|
|
|
/* Wait for events. This will return when all event sources are
|
/* Wait for events. This will return when all event sources are
|
removed from the event loop. */
|
removed from the event loop. */
|
start_event_loop ();
|
start_event_loop ();
|
|
|
/* If an exit was requested (using the "monitor exit" command),
|
/* If an exit was requested (using the "monitor exit" command),
|
terminate now. The only other way to get here is for
|
terminate now. The only other way to get here is for
|
getpkt to fail; close the connection and reopen it at the
|
getpkt to fail; close the connection and reopen it at the
|
top of the loop. */
|
top of the loop. */
|
|
|
if (exit_requested)
|
if (exit_requested)
|
{
|
{
|
detach_or_kill_for_exit ();
|
detach_or_kill_for_exit ();
|
exit (0);
|
exit (0);
|
}
|
}
|
else
|
else
|
fprintf (stderr, "Remote side has terminated connection. "
|
fprintf (stderr, "Remote side has terminated connection. "
|
"GDBserver will reopen the connection.\n");
|
"GDBserver will reopen the connection.\n");
|
}
|
}
|
}
|
}
|
|
|
/* Event loop callback that handles a serial event. The first byte in
|
/* Event loop callback that handles a serial event. The first byte in
|
the serial buffer gets us here. We expect characters to arrive at
|
the serial buffer gets us here. We expect characters to arrive at
|
a brisk pace, so we read the rest of the packet with a blocking
|
a brisk pace, so we read the rest of the packet with a blocking
|
getpkt call. */
|
getpkt call. */
|
|
|
static void
|
static void
|
process_serial_event (void)
|
process_serial_event (void)
|
{
|
{
|
char ch;
|
char ch;
|
int i = 0;
|
int i = 0;
|
int signal;
|
int signal;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR mem_addr;
|
CORE_ADDR mem_addr;
|
int pid;
|
int pid;
|
unsigned char sig;
|
unsigned char sig;
|
int packet_len;
|
int packet_len;
|
int new_packet_len = -1;
|
int new_packet_len = -1;
|
|
|
/* Used to decide when gdbserver should exit in
|
/* Used to decide when gdbserver should exit in
|
multi-mode/remote. */
|
multi-mode/remote. */
|
static int have_ran = 0;
|
static int have_ran = 0;
|
|
|
if (!have_ran)
|
if (!have_ran)
|
have_ran = target_running ();
|
have_ran = target_running ();
|
|
|
disable_async_io ();
|
disable_async_io ();
|
|
|
response_needed = 0;
|
response_needed = 0;
|
packet_len = getpkt (own_buf);
|
packet_len = getpkt (own_buf);
|
if (packet_len <= 0)
|
if (packet_len <= 0)
|
{
|
{
|
target_async (0);
|
target_async (0);
|
remote_close ();
|
remote_close ();
|
return;
|
return;
|
}
|
}
|
response_needed = 1;
|
response_needed = 1;
|
|
|
i = 0;
|
i = 0;
|
ch = own_buf[i++];
|
ch = own_buf[i++];
|
switch (ch)
|
switch (ch)
|
{
|
{
|
case 'q':
|
case 'q':
|
handle_query (own_buf, packet_len, &new_packet_len);
|
handle_query (own_buf, packet_len, &new_packet_len);
|
break;
|
break;
|
case 'Q':
|
case 'Q':
|
handle_general_set (own_buf);
|
handle_general_set (own_buf);
|
break;
|
break;
|
case 'D':
|
case 'D':
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
if (multi_process)
|
if (multi_process)
|
{
|
{
|
i++; /* skip ';' */
|
i++; /* skip ';' */
|
pid = strtol (&own_buf[i], NULL, 16);
|
pid = strtol (&own_buf[i], NULL, 16);
|
}
|
}
|
else
|
else
|
pid =
|
pid =
|
ptid_get_pid (((struct inferior_list_entry *) current_inferior)->id);
|
ptid_get_pid (((struct inferior_list_entry *) current_inferior)->id);
|
|
|
fprintf (stderr, "Detaching from process %d\n", pid);
|
fprintf (stderr, "Detaching from process %d\n", pid);
|
if (detach_inferior (pid) != 0)
|
if (detach_inferior (pid) != 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
{
|
{
|
discard_queued_stop_replies (pid);
|
discard_queued_stop_replies (pid);
|
write_ok (own_buf);
|
write_ok (own_buf);
|
|
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
/* Treat this like a normal program exit. */
|
/* Treat this like a normal program exit. */
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.value.integer = 0;
|
last_status.value.integer = 0;
|
last_ptid = pid_to_ptid (pid);
|
last_ptid = pid_to_ptid (pid);
|
|
|
current_inferior = NULL;
|
current_inferior = NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
putpkt (own_buf);
|
putpkt (own_buf);
|
remote_close ();
|
remote_close ();
|
|
|
/* If we are attached, then we can exit. Otherwise, we
|
/* If we are attached, then we can exit. Otherwise, we
|
need to hang around doing nothing, until the child is
|
need to hang around doing nothing, until the child is
|
gone. */
|
gone. */
|
for_each_inferior (&all_processes,
|
for_each_inferior (&all_processes,
|
join_inferiors_callback);
|
join_inferiors_callback);
|
exit (0);
|
exit (0);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case '!':
|
case '!':
|
extended_protocol = 1;
|
extended_protocol = 1;
|
write_ok (own_buf);
|
write_ok (own_buf);
|
break;
|
break;
|
case '?':
|
case '?':
|
handle_status (own_buf);
|
handle_status (own_buf);
|
break;
|
break;
|
case 'H':
|
case 'H':
|
if (own_buf[1] == 'c' || own_buf[1] == 'g' || own_buf[1] == 's')
|
if (own_buf[1] == 'c' || own_buf[1] == 'g' || own_buf[1] == 's')
|
{
|
{
|
ptid_t gdb_id, thread_id;
|
ptid_t gdb_id, thread_id;
|
int pid;
|
int pid;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
gdb_id = read_ptid (&own_buf[2], NULL);
|
gdb_id = read_ptid (&own_buf[2], NULL);
|
|
|
pid = ptid_get_pid (gdb_id);
|
pid = ptid_get_pid (gdb_id);
|
|
|
if (ptid_equal (gdb_id, null_ptid)
|
if (ptid_equal (gdb_id, null_ptid)
|
|| ptid_equal (gdb_id, minus_one_ptid))
|
|| ptid_equal (gdb_id, minus_one_ptid))
|
thread_id = null_ptid;
|
thread_id = null_ptid;
|
else if (pid != 0
|
else if (pid != 0
|
&& ptid_equal (pid_to_ptid (pid),
|
&& ptid_equal (pid_to_ptid (pid),
|
gdb_id))
|
gdb_id))
|
{
|
{
|
struct thread_info *thread =
|
struct thread_info *thread =
|
(struct thread_info *) find_inferior (&all_threads,
|
(struct thread_info *) find_inferior (&all_threads,
|
first_thread_of,
|
first_thread_of,
|
&pid);
|
&pid);
|
if (!thread)
|
if (!thread)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
|
|
thread_id = ((struct inferior_list_entry *)thread)->id;
|
thread_id = ((struct inferior_list_entry *)thread)->id;
|
}
|
}
|
else
|
else
|
{
|
{
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
if (ptid_equal (thread_id, null_ptid))
|
if (ptid_equal (thread_id, null_ptid))
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (own_buf[1] == 'g')
|
if (own_buf[1] == 'g')
|
{
|
{
|
if (ptid_equal (thread_id, null_ptid))
|
if (ptid_equal (thread_id, null_ptid))
|
{
|
{
|
/* GDB is telling us to choose any thread. Check if
|
/* GDB is telling us to choose any thread. Check if
|
the currently selected thread is still valid. If
|
the currently selected thread is still valid. If
|
it is not, select the first available. */
|
it is not, select the first available. */
|
struct thread_info *thread =
|
struct thread_info *thread =
|
(struct thread_info *) find_inferior_id (&all_threads,
|
(struct thread_info *) find_inferior_id (&all_threads,
|
general_thread);
|
general_thread);
|
if (thread == NULL)
|
if (thread == NULL)
|
thread_id = all_threads.head->id;
|
thread_id = all_threads.head->id;
|
}
|
}
|
|
|
general_thread = thread_id;
|
general_thread = thread_id;
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
}
|
}
|
else if (own_buf[1] == 'c')
|
else if (own_buf[1] == 'c')
|
cont_thread = thread_id;
|
cont_thread = thread_id;
|
else if (own_buf[1] == 's')
|
else if (own_buf[1] == 's')
|
step_thread = thread_id;
|
step_thread = thread_id;
|
|
|
write_ok (own_buf);
|
write_ok (own_buf);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Silently ignore it so that gdb can extend the protocol
|
/* Silently ignore it so that gdb can extend the protocol
|
without compatibility headaches. */
|
without compatibility headaches. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
}
|
}
|
break;
|
break;
|
case 'g':
|
case 'g':
|
{
|
{
|
struct regcache *regcache;
|
struct regcache *regcache;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
regcache = get_thread_regcache (current_inferior, 1);
|
regcache = get_thread_regcache (current_inferior, 1);
|
registers_to_string (regcache, own_buf);
|
registers_to_string (regcache, own_buf);
|
}
|
}
|
break;
|
break;
|
case 'G':
|
case 'G':
|
{
|
{
|
struct regcache *regcache;
|
struct regcache *regcache;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
regcache = get_thread_regcache (current_inferior, 1);
|
regcache = get_thread_regcache (current_inferior, 1);
|
registers_from_string (regcache, &own_buf[1]);
|
registers_from_string (regcache, &own_buf[1]);
|
write_ok (own_buf);
|
write_ok (own_buf);
|
}
|
}
|
break;
|
break;
|
case 'm':
|
case 'm':
|
require_running (own_buf);
|
require_running (own_buf);
|
decode_m_packet (&own_buf[1], &mem_addr, &len);
|
decode_m_packet (&own_buf[1], &mem_addr, &len);
|
if (read_inferior_memory (mem_addr, mem_buf, len) == 0)
|
if (read_inferior_memory (mem_addr, mem_buf, len) == 0)
|
convert_int_to_ascii (mem_buf, own_buf, len);
|
convert_int_to_ascii (mem_buf, own_buf, len);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
case 'M':
|
case 'M':
|
require_running (own_buf);
|
require_running (own_buf);
|
decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf);
|
decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf);
|
if (write_inferior_memory (mem_addr, mem_buf, len) == 0)
|
if (write_inferior_memory (mem_addr, mem_buf, len) == 0)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
case 'X':
|
case 'X':
|
require_running (own_buf);
|
require_running (own_buf);
|
if (decode_X_packet (&own_buf[1], packet_len - 1,
|
if (decode_X_packet (&own_buf[1], packet_len - 1,
|
&mem_addr, &len, mem_buf) < 0
|
&mem_addr, &len, mem_buf) < 0
|
|| write_inferior_memory (mem_addr, mem_buf, len) != 0)
|
|| write_inferior_memory (mem_addr, mem_buf, len) != 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
write_ok (own_buf);
|
write_ok (own_buf);
|
break;
|
break;
|
case 'C':
|
case 'C':
|
require_running (own_buf);
|
require_running (own_buf);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
if (target_signal_to_host_p (sig))
|
if (target_signal_to_host_p (sig))
|
signal = target_signal_to_host (sig);
|
signal = target_signal_to_host (sig);
|
else
|
else
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 0, signal);
|
myresume (own_buf, 0, signal);
|
break;
|
break;
|
case 'S':
|
case 'S':
|
require_running (own_buf);
|
require_running (own_buf);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
if (target_signal_to_host_p (sig))
|
if (target_signal_to_host_p (sig))
|
signal = target_signal_to_host (sig);
|
signal = target_signal_to_host (sig);
|
else
|
else
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 1, signal);
|
myresume (own_buf, 1, signal);
|
break;
|
break;
|
case 'c':
|
case 'c':
|
require_running (own_buf);
|
require_running (own_buf);
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 0, signal);
|
myresume (own_buf, 0, signal);
|
break;
|
break;
|
case 's':
|
case 's':
|
require_running (own_buf);
|
require_running (own_buf);
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 1, signal);
|
myresume (own_buf, 1, signal);
|
break;
|
break;
|
case 'Z': /* insert_ ... */
|
case 'Z': /* insert_ ... */
|
/* Fallthrough. */
|
/* Fallthrough. */
|
case 'z': /* remove_ ... */
|
case 'z': /* remove_ ... */
|
{
|
{
|
char *lenptr;
|
char *lenptr;
|
char *dataptr;
|
char *dataptr;
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
char type = own_buf[1];
|
char type = own_buf[1];
|
int res;
|
int res;
|
const int insert = ch == 'Z';
|
const int insert = ch == 'Z';
|
|
|
/* Default to unrecognized/unsupported. */
|
/* Default to unrecognized/unsupported. */
|
res = 1;
|
res = 1;
|
switch (type)
|
switch (type)
|
{
|
{
|
case '0': /* software-breakpoint */
|
case '0': /* software-breakpoint */
|
case '1': /* hardware-breakpoint */
|
case '1': /* hardware-breakpoint */
|
case '2': /* write watchpoint */
|
case '2': /* write watchpoint */
|
case '3': /* read watchpoint */
|
case '3': /* read watchpoint */
|
case '4': /* access watchpoint */
|
case '4': /* access watchpoint */
|
require_running (own_buf);
|
require_running (own_buf);
|
if (insert && the_target->insert_point != NULL)
|
if (insert && the_target->insert_point != NULL)
|
res = (*the_target->insert_point) (type, addr, len);
|
res = (*the_target->insert_point) (type, addr, len);
|
else if (!insert && the_target->remove_point != NULL)
|
else if (!insert && the_target->remove_point != NULL)
|
res = (*the_target->remove_point) (type, addr, len);
|
res = (*the_target->remove_point) (type, addr, len);
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
if (res == 0)
|
if (res == 0)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else if (res == 1)
|
else if (res == 1)
|
/* Unsupported. */
|
/* Unsupported. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
case 'k':
|
case 'k':
|
response_needed = 0;
|
response_needed = 0;
|
if (!target_running ())
|
if (!target_running ())
|
/* The packet we received doesn't make sense - but we can't
|
/* The packet we received doesn't make sense - but we can't
|
reply to it, either. */
|
reply to it, either. */
|
return;
|
return;
|
|
|
fprintf (stderr, "Killing all inferiors\n");
|
fprintf (stderr, "Killing all inferiors\n");
|
for_each_inferior (&all_processes, kill_inferior_callback);
|
for_each_inferior (&all_processes, kill_inferior_callback);
|
|
|
/* When using the extended protocol, we wait with no program
|
/* When using the extended protocol, we wait with no program
|
running. The traditional protocol will exit instead. */
|
running. The traditional protocol will exit instead. */
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
exit (0);
|
exit (0);
|
break;
|
break;
|
}
|
}
|
case 'T':
|
case 'T':
|
{
|
{
|
ptid_t gdb_id, thread_id;
|
ptid_t gdb_id, thread_id;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
gdb_id = read_ptid (&own_buf[1], NULL);
|
gdb_id = read_ptid (&own_buf[1], NULL);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
if (ptid_equal (thread_id, null_ptid))
|
if (ptid_equal (thread_id, null_ptid))
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
|
|
if (mythread_alive (thread_id))
|
if (mythread_alive (thread_id))
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
break;
|
break;
|
case 'R':
|
case 'R':
|
response_needed = 0;
|
response_needed = 0;
|
|
|
/* Restarting the inferior is only supported in the extended
|
/* Restarting the inferior is only supported in the extended
|
protocol. */
|
protocol. */
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
if (target_running ())
|
if (target_running ())
|
for_each_inferior (&all_processes,
|
for_each_inferior (&all_processes,
|
kill_inferior_callback);
|
kill_inferior_callback);
|
fprintf (stderr, "GDBserver restarting\n");
|
fprintf (stderr, "GDBserver restarting\n");
|
|
|
/* Wait till we are at 1st instruction in prog. */
|
/* Wait till we are at 1st instruction in prog. */
|
if (program_argv != NULL)
|
if (program_argv != NULL)
|
start_inferior (program_argv);
|
start_inferior (program_argv);
|
else
|
else
|
{
|
{
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.kind = TARGET_WAITKIND_EXITED;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
last_status.value.sig = TARGET_SIGNAL_KILL;
|
}
|
}
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* It is a request we don't understand. Respond with an
|
/* It is a request we don't understand. Respond with an
|
empty packet so that gdb knows that we don't support this
|
empty packet so that gdb knows that we don't support this
|
request. */
|
request. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
break;
|
break;
|
}
|
}
|
case 'v':
|
case 'v':
|
/* Extended (long) request. */
|
/* Extended (long) request. */
|
handle_v_requests (own_buf, packet_len, &new_packet_len);
|
handle_v_requests (own_buf, packet_len, &new_packet_len);
|
break;
|
break;
|
|
|
default:
|
default:
|
/* It is a request we don't understand. Respond with an empty
|
/* It is a request we don't understand. Respond with an empty
|
packet so that gdb knows that we don't support this
|
packet so that gdb knows that we don't support this
|
request. */
|
request. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
break;
|
break;
|
}
|
}
|
|
|
if (new_packet_len != -1)
|
if (new_packet_len != -1)
|
putpkt_binary (own_buf, new_packet_len);
|
putpkt_binary (own_buf, new_packet_len);
|
else
|
else
|
putpkt (own_buf);
|
putpkt (own_buf);
|
|
|
response_needed = 0;
|
response_needed = 0;
|
|
|
if (!extended_protocol && have_ran && !target_running ())
|
if (!extended_protocol && have_ran && !target_running ())
|
{
|
{
|
/* In non-stop, defer exiting until GDB had a chance to query
|
/* In non-stop, defer exiting until GDB had a chance to query
|
the whole vStopped list (until it gets an OK). */
|
the whole vStopped list (until it gets an OK). */
|
if (!notif_queue)
|
if (!notif_queue)
|
{
|
{
|
fprintf (stderr, "GDBserver exiting\n");
|
fprintf (stderr, "GDBserver exiting\n");
|
remote_close ();
|
remote_close ();
|
exit (0);
|
exit (0);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Event-loop callback for serial events. */
|
/* Event-loop callback for serial events. */
|
|
|
void
|
void
|
handle_serial_event (int err, gdb_client_data client_data)
|
handle_serial_event (int err, gdb_client_data client_data)
|
{
|
{
|
if (debug_threads)
|
if (debug_threads)
|
fprintf (stderr, "handling possible serial event\n");
|
fprintf (stderr, "handling possible serial event\n");
|
|
|
/* Really handle it. */
|
/* Really handle it. */
|
process_serial_event ();
|
process_serial_event ();
|
|
|
/* Be sure to not change the selected inferior behind GDB's back.
|
/* Be sure to not change the selected inferior behind GDB's back.
|
Important in the non-stop mode asynchronous protocol. */
|
Important in the non-stop mode asynchronous protocol. */
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
}
|
}
|
|
|
/* Event-loop callback for target events. */
|
/* Event-loop callback for target events. */
|
|
|
void
|
void
|
handle_target_event (int err, gdb_client_data client_data)
|
handle_target_event (int err, gdb_client_data client_data)
|
{
|
{
|
if (debug_threads)
|
if (debug_threads)
|
fprintf (stderr, "handling possible target event\n");
|
fprintf (stderr, "handling possible target event\n");
|
|
|
last_ptid = mywait (minus_one_ptid, &last_status,
|
last_ptid = mywait (minus_one_ptid, &last_status,
|
TARGET_WNOHANG, 1);
|
TARGET_WNOHANG, 1);
|
|
|
if (last_status.kind != TARGET_WAITKIND_IGNORE)
|
if (last_status.kind != TARGET_WAITKIND_IGNORE)
|
{
|
{
|
/* Something interesting. Tell GDB about it. */
|
/* Something interesting. Tell GDB about it. */
|
push_event (last_ptid, &last_status);
|
push_event (last_ptid, &last_status);
|
}
|
}
|
|
|
/* Be sure to not change the selected inferior behind GDB's back.
|
/* Be sure to not change the selected inferior behind GDB's back.
|
Important in the non-stop mode asynchronous protocol. */
|
Important in the non-stop mode asynchronous protocol. */
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
}
|
}
|
|
|
