893 lines
23 KiB
C
893 lines
23 KiB
C
/* Generic remote debugging interface for simulators.
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Copyright 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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Steve Chamberlain (sac@cygnus.com).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include "wait.h"
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#include "value.h"
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#include "gdb_string.h"
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#include <ctype.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <errno.h>
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#include "terminal.h"
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#include "target.h"
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#include "gdbcore.h"
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#include "callback.h"
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#include "remote-sim.h"
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#include "remote-utils.h"
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#include "command.h"
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/* Prototypes */
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static void dump_mem PARAMS ((char *buf, int len));
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static void init_callbacks PARAMS ((void));
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static void end_callbacks PARAMS ((void));
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static int gdb_os_write_stdout PARAMS ((host_callback *, const char *, int));
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static void gdb_os_flush_stdout PARAMS ((host_callback *));
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static int gdb_os_write_stderr PARAMS ((host_callback *, const char *, int));
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static void gdb_os_flush_stderr PARAMS ((host_callback *));
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static int gdb_os_poll_quit PARAMS ((host_callback *));
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/* printf_filtered is depreciated */
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static void gdb_os_printf_filtered PARAMS ((host_callback *, const char *, ...));
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static void gdb_os_vprintf_filtered PARAMS ((host_callback *, const char *, va_list));
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static void gdb_os_evprintf_filtered PARAMS ((host_callback *, const char *, va_list));
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static void gdb_os_error PARAMS ((host_callback *, const char *, ...));
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static void gdbsim_fetch_register PARAMS ((int regno));
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static void gdbsim_store_register PARAMS ((int regno));
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static void gdbsim_kill PARAMS ((void));
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static void gdbsim_load PARAMS ((char *prog, int fromtty));
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static void gdbsim_create_inferior PARAMS ((char *exec_file, char *args, char **env));
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static void gdbsim_open PARAMS ((char *args, int from_tty));
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static void gdbsim_close PARAMS ((int quitting));
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static void gdbsim_detach PARAMS ((char *args, int from_tty));
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static void gdbsim_resume PARAMS ((int pid, int step, enum target_signal siggnal));
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static int gdbsim_wait PARAMS ((int pid, struct target_waitstatus *status));
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static void gdbsim_prepare_to_store PARAMS ((void));
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static int gdbsim_xfer_inferior_memory PARAMS ((CORE_ADDR memaddr,
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char *myaddr, int len,
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int write,
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struct target_ops *target));
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static void gdbsim_files_info PARAMS ((struct target_ops *target));
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static void gdbsim_mourn_inferior PARAMS ((void));
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static void gdbsim_stop PARAMS ((void));
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static void simulator_command PARAMS ((char *args, int from_tty));
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/* Naming convention:
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sim_* are the interface to the simulator (see remote-sim.h).
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gdbsim_* are stuff which is internal to gdb. */
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/* Forward data declarations */
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extern struct target_ops gdbsim_ops;
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static int program_loaded = 0;
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/* We must keep track of whether the simulator has been opened or not because
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GDB can call a target's close routine twice, but sim_close doesn't allow
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this. We also need to record the result of sim_open so we can pass it
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back to the other sim_foo routines. */
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static SIM_DESC gdbsim_desc = 0;
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static void
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dump_mem (buf, len)
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char *buf;
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int len;
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{
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if (len <= 8)
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{
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if (len == 8 || len == 4)
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{
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long l[2];
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memcpy (l, buf, len);
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printf_filtered ("\t0x%x", l[0]);
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printf_filtered (len == 8 ? " 0x%x\n" : "\n", l[1]);
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}
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else
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{
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int i;
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printf_filtered ("\t");
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for (i = 0; i < len; i++)
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printf_filtered ("0x%x ", buf[i]);
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printf_filtered ("\n");
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}
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}
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}
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static host_callback gdb_callback;
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static int callbacks_initialized = 0;
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/* Initialize gdb_callback. */
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static void
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init_callbacks ()
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{
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if (! callbacks_initialized)
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{
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gdb_callback = default_callback;
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gdb_callback.init (&gdb_callback);
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gdb_callback.write_stdout = gdb_os_write_stdout;
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gdb_callback.flush_stdout = gdb_os_flush_stdout;
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gdb_callback.write_stderr = gdb_os_write_stderr;
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gdb_callback.flush_stderr = gdb_os_flush_stderr;
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gdb_callback.printf_filtered = gdb_os_printf_filtered;
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gdb_callback.vprintf_filtered = gdb_os_vprintf_filtered;
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gdb_callback.evprintf_filtered = gdb_os_evprintf_filtered;
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gdb_callback.error = gdb_os_error;
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gdb_callback.poll_quit = gdb_os_poll_quit;
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gdb_callback.magic = HOST_CALLBACK_MAGIC;
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callbacks_initialized = 1;
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}
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}
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/* Release callbacks (free resources used by them). */
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static void
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end_callbacks ()
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{
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if (callbacks_initialized)
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{
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gdb_callback.shutdown (&gdb_callback);
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callbacks_initialized = 0;
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}
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}
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/* GDB version of os_write_stdout callback. */
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static int
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gdb_os_write_stdout (p, buf, len)
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host_callback *p;
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const char *buf;
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int len;
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{
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int i;
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char b[2];
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for (i = 0; i < len; i++)
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{
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b[0] = buf[i];
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b[1] = 0;
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if (target_output_hook)
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target_output_hook (b);
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else
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fputs_filtered (b, gdb_stdout);
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}
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return len;
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}
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/* GDB version of os_flush_stdout callback. */
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static void
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gdb_os_flush_stdout (p)
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host_callback *p;
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{
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gdb_flush (gdb_stdout);
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}
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/* GDB version of os_write_stderr callback. */
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static int
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gdb_os_write_stderr (p, buf, len)
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host_callback *p;
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const char *buf;
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int len;
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{
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int i;
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char b[2];
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for (i = 0; i < len; i++)
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{
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b[0] = buf[i];
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b[1] = 0;
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if (target_output_hook)
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target_output_hook (b);
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else
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fputs_filtered (b, gdb_stderr);
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}
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return len;
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}
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/* GDB version of os_flush_stderr callback. */
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static void
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gdb_os_flush_stderr (p)
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host_callback *p;
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{
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gdb_flush (gdb_stderr);
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}
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/* GDB version of printf_filtered callback. */
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/* VARARGS */
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static void
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#ifdef ANSI_PROTOTYPES
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gdb_os_printf_filtered (host_callback *p, const char *format, ...)
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#else
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gdb_os_printf_filtered (p, va_alist)
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host_callback *p;
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va_dcl
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#endif
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{
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va_list args;
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#ifdef ANSI_PROTOTYPES
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va_start (args, format);
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#else
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char *format;
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va_start (args);
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format = va_arg (args, char *);
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#endif
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vfprintf_filtered (gdb_stdout, format, args);
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va_end (args);
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}
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/* GDB version of error vprintf_filtered. */
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/* VARARGS */
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static void
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#ifdef ANSI_PROTOTYPES
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gdb_os_vprintf_filtered (host_callback *p, const char *format, va_list ap)
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#else
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gdb_os_vprintf_filtered (p, format, ap)
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host_callback *p;
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char *format;
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va_list ap;
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#endif
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{
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vfprintf_filtered (gdb_stdout, format, ap);
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}
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/* GDB version of error evprintf_filtered. */
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/* VARARGS */
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static void
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#ifdef ANSI_PROTOTYPES
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gdb_os_evprintf_filtered (host_callback *p, const char *format, va_list ap)
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#else
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gdb_os_evprintf_filtered (p, format, ap)
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host_callback *p;
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char *format;
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va_list ap;
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#endif
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{
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vfprintf_filtered (gdb_stderr, format, ap);
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}
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/* GDB version of error callback. */
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/* VARARGS */
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static void
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#ifdef ANSI_PROTOTYPES
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gdb_os_error (host_callback *p, const char *format, ...)
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#else
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gdb_os_error (p, va_alist)
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host_callback *p;
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va_dcl
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#endif
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{
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if (error_hook)
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(*error_hook) ();
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else
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{
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va_list args;
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#ifdef ANSI_PROTOTYPES
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va_start (args, format);
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#else
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char *format;
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va_start (args);
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format = va_arg (args, char *);
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#endif
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error_begin ();
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vfprintf_filtered (gdb_stderr, format, args);
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fprintf_filtered (gdb_stderr, "\n");
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va_end (args);
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return_to_top_level (RETURN_ERROR);
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}
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}
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static void
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gdbsim_fetch_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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for (regno = 0; regno < NUM_REGS; regno++)
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gdbsim_fetch_register (regno);
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}
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else
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{
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char buf[MAX_REGISTER_RAW_SIZE];
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sim_fetch_register (gdbsim_desc, regno, buf);
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supply_register (regno, buf);
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if (sr_get_debug ())
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{
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printf_filtered ("gdbsim_fetch_register: %d", regno);
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/* FIXME: We could print something more intelligible. */
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dump_mem (buf, REGISTER_RAW_SIZE (regno));
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}
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}
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}
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static void
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gdbsim_store_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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for (regno = 0; regno < NUM_REGS; regno++)
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gdbsim_store_register (regno);
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}
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else
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{
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/* FIXME: Until read_register() returns LONGEST, we have this. */
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char tmp[MAX_REGISTER_RAW_SIZE];
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read_register_gen (regno, tmp);
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sim_store_register (gdbsim_desc, regno, tmp);
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if (sr_get_debug ())
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{
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printf_filtered ("gdbsim_store_register: %d", regno);
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/* FIXME: We could print something more intelligible. */
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dump_mem (tmp, REGISTER_RAW_SIZE (regno));
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}
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}
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}
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/* Kill the running program. This may involve closing any open files
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and releasing other resources acquired by the simulated program. */
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static void
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gdbsim_kill ()
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{
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if (sr_get_debug ())
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printf_filtered ("gdbsim_kill\n");
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/* There is no need to `kill' running simulator - the simulator is
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not running */
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inferior_pid = 0;
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}
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/* Load an executable file into the target process. This is expected to
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not only bring new code into the target process, but also to update
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GDB's symbol tables to match. */
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static void
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gdbsim_load (prog, fromtty)
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char *prog;
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int fromtty;
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{
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if (sr_get_debug ())
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printf_filtered ("gdbsim_load: prog \"%s\"\n", prog);
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inferior_pid = 0;
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/* FIXME: We will print two messages on error.
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Need error to either not print anything if passed NULL or need
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another routine that doesn't take any arguments. */
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if (sim_load (gdbsim_desc, prog, NULL, fromtty) == SIM_RC_FAIL)
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error ("unable to load program");
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/* FIXME: If a load command should reset the targets registers then
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a call to sim_create_inferior() should go here. */
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program_loaded = 1;
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}
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/* Start an inferior process and set inferior_pid to its pid.
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EXEC_FILE is the file to run.
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ARGS is a string containing the arguments to the program.
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ENV is the environment vector to pass. Errors reported with error().
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On VxWorks and various standalone systems, we ignore exec_file. */
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/* This is called not only when we first attach, but also when the
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user types "run" after having attached. */
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static void
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gdbsim_create_inferior (exec_file, args, env)
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char *exec_file;
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char *args;
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char **env;
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{
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int len;
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char *arg_buf,**argv;
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if (exec_file == 0 || exec_bfd == 0)
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warning ("No exec file specified.");
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if (! program_loaded)
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warning ("No program loaded.");
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if (sr_get_debug ())
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printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
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(exec_file ? exec_file: "(NULL)"),
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args);
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gdbsim_kill ();
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remove_breakpoints ();
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init_wait_for_inferior ();
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if (exec_file != NULL)
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{
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len = strlen (exec_file) + 1 + strlen (args) + 1 + /*slop*/ 10;
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arg_buf = (char *) alloca (len);
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arg_buf[0] = '\0';
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strcat (arg_buf, exec_file);
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strcat (arg_buf, " ");
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strcat (arg_buf, args);
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argv = buildargv (arg_buf);
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make_cleanup (freeargv, (char *) argv);
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}
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else
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argv = NULL;
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sim_create_inferior (gdbsim_desc, exec_bfd, argv, env);
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inferior_pid = 42;
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insert_breakpoints (); /* Needed to get correct instruction in cache */
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/* NB: Entry point already set by sim_create_inferior. */
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proceed ((CORE_ADDR)-1, TARGET_SIGNAL_DEFAULT, 0);
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}
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/* The open routine takes the rest of the parameters from the command,
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and (if successful) pushes a new target onto the stack.
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Targets should supply this routine, if only to provide an error message. */
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/* Called when selecting the simulator. EG: (gdb) target sim name. */
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static void
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gdbsim_open (args, from_tty)
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char *args;
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int from_tty;
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{
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int len;
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char *arg_buf;
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char **argv;
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if (sr_get_debug ())
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printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)");
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/* Remove current simulator if one exists. Only do this if the simulator
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has been opened because sim_close requires it.
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This is important because the call to push_target below will cause
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sim_close to be called if the simulator is already open, but push_target
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is called after sim_open! We can't move the call to push_target before
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the call to sim_open because sim_open may invoke `error'. */
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if (gdbsim_desc != NULL)
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unpush_target (&gdbsim_ops);
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len = (7 + 1 /* gdbsim */
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+ strlen (" -E little")
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+ strlen (" --arch=xxxxxxxxxx")
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+ (args ? strlen (args) : 0)
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+ 50) /* slack */;
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arg_buf = (char *) alloca (len);
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strcpy (arg_buf, "gdbsim"); /* 7 */
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/* Specify the byte order for the target when it is both selectable
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and explicitly specified by the user (not auto detected). */
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#ifdef TARGET_BYTE_ORDER_SELECTABLE
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if (!target_byte_order_auto)
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{
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switch (TARGET_BYTE_ORDER)
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{
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case BIG_ENDIAN:
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strcat (arg_buf, " -E big");
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break;
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case LITTLE_ENDIAN:
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strcat (arg_buf, " -E little");
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break;
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default:
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fatal ("Value of TARGET_BYTE_ORDER unknown");
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}
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}
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#endif
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/* Specify the architecture of the target when it has been
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explicitly specified */
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if (!target_architecture_auto)
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{
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strcat (arg_buf, " --arch=");
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strcat (arg_buf, target_architecture->printable_name);
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}
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/* finally, any explicit args */
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if (args)
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{
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strcat (arg_buf, " "); /* 1 */
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strcat (arg_buf, args);
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}
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argv = buildargv (arg_buf);
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if (argv == NULL)
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error ("Insufficient memory available to allocate simulator arg list.");
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make_cleanup (freeargv, (char *) argv);
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init_callbacks ();
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gdbsim_desc = sim_open (SIM_OPEN_DEBUG, &gdb_callback, exec_bfd, argv);
|
|
|
|
if (gdbsim_desc == 0)
|
|
error ("unable to create simulator instance");
|
|
|
|
push_target (&gdbsim_ops);
|
|
target_fetch_registers (-1);
|
|
printf_filtered ("Connected to the simulator.\n");
|
|
}
|
|
|
|
/* Does whatever cleanup is required for a target that we are no longer
|
|
going to be calling. Argument says whether we are quitting gdb and
|
|
should not get hung in case of errors, or whether we want a clean
|
|
termination even if it takes a while. This routine is automatically
|
|
always called just before a routine is popped off the target stack.
|
|
Closing file descriptors and freeing memory are typical things it should
|
|
do. */
|
|
/* Close out all files and local state before this target loses control. */
|
|
|
|
static void
|
|
gdbsim_close (quitting)
|
|
int quitting;
|
|
{
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_close: quitting %d\n", quitting);
|
|
|
|
program_loaded = 0;
|
|
|
|
if (gdbsim_desc != NULL)
|
|
{
|
|
sim_close (gdbsim_desc, quitting);
|
|
gdbsim_desc = NULL;
|
|
}
|
|
|
|
end_callbacks ();
|
|
}
|
|
|
|
/* Takes a program previously attached to and detaches it.
|
|
The program may resume execution (some targets do, some don't) and will
|
|
no longer stop on signals, etc. We better not have left any breakpoints
|
|
in the program or it'll die when it hits one. ARGS is arguments
|
|
typed by the user (e.g. a signal to send the process). FROM_TTY
|
|
says whether to be verbose or not. */
|
|
/* Terminate the open connection to the remote debugger.
|
|
Use this when you want to detach and do something else with your gdb. */
|
|
|
|
static void
|
|
gdbsim_detach (args,from_tty)
|
|
char *args;
|
|
int from_tty;
|
|
{
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_detach: args \"%s\"\n", args);
|
|
|
|
pop_target (); /* calls gdbsim_close to do the real work */
|
|
if (from_tty)
|
|
printf_filtered ("Ending simulator %s debugging\n", target_shortname);
|
|
}
|
|
|
|
/* Resume execution of the target process. STEP says whether to single-step
|
|
or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
|
|
to the target, or zero for no signal. */
|
|
|
|
static enum target_signal resume_siggnal;
|
|
static int resume_step;
|
|
|
|
static void
|
|
gdbsim_resume (pid, step, siggnal)
|
|
int pid, step;
|
|
enum target_signal siggnal;
|
|
{
|
|
if (inferior_pid != 42)
|
|
error ("The program is not being run.");
|
|
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_resume: step %d, signal %d\n", step, siggnal);
|
|
|
|
resume_siggnal = siggnal;
|
|
resume_step = step;
|
|
}
|
|
|
|
/* Notify the simulator of an asynchronous request to stop.
|
|
|
|
The simulator shall ensure that the stop request is eventually
|
|
delivered to the simulator. If the call is made while the
|
|
simulator is not running then the stop request is processed when
|
|
the simulator is next resumed.
|
|
|
|
For simulators that do not support this operation, just abort */
|
|
|
|
static void
|
|
gdbsim_stop ()
|
|
{
|
|
if (! sim_stop (gdbsim_desc))
|
|
{
|
|
quit ();
|
|
}
|
|
}
|
|
|
|
/* GDB version of os_poll_quit callback.
|
|
Taken from gdb/util.c - should be in a library */
|
|
|
|
static int
|
|
gdb_os_poll_quit (p)
|
|
host_callback *p;
|
|
{
|
|
notice_quit ();
|
|
if (quit_flag) /* gdb's idea of quit */
|
|
{
|
|
quit_flag = 0; /* we've stolen it */
|
|
return 1;
|
|
}
|
|
else if (immediate_quit)
|
|
{
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Wait for inferior process to do something. Return pid of child,
|
|
or -1 in case of error; store status through argument pointer STATUS,
|
|
just as `wait' would. */
|
|
|
|
static void
|
|
gdbsim_cntrl_c (int signo)
|
|
{
|
|
gdbsim_stop ();
|
|
}
|
|
|
|
static int
|
|
gdbsim_wait (pid, status)
|
|
int pid;
|
|
struct target_waitstatus *status;
|
|
{
|
|
static RETSIGTYPE (*prev_sigint) ();
|
|
int sigrc = 0;
|
|
enum sim_stop reason = sim_running;
|
|
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_wait\n");
|
|
|
|
prev_sigint = signal (SIGINT, gdbsim_cntrl_c);
|
|
sim_resume (gdbsim_desc, resume_step,
|
|
target_signal_to_host (resume_siggnal));
|
|
signal (SIGINT, prev_sigint);
|
|
resume_step = 0;
|
|
|
|
sim_stop_reason (gdbsim_desc, &reason, &sigrc);
|
|
|
|
switch (reason)
|
|
{
|
|
case sim_exited:
|
|
status->kind = TARGET_WAITKIND_EXITED;
|
|
status->value.integer = sigrc;
|
|
break;
|
|
case sim_stopped:
|
|
switch (sigrc)
|
|
{
|
|
case SIGABRT:
|
|
quit ();
|
|
break;
|
|
case SIGINT:
|
|
case SIGTRAP:
|
|
default:
|
|
status->kind = TARGET_WAITKIND_STOPPED;
|
|
/* The signal in sigrc is a host signal. That probably
|
|
should be fixed. */
|
|
status->value.sig = target_signal_from_host (sigrc);
|
|
break;
|
|
}
|
|
break;
|
|
case sim_signalled:
|
|
status->kind = TARGET_WAITKIND_SIGNALLED;
|
|
/* The signal in sigrc is a host signal. That probably
|
|
should be fixed. */
|
|
status->value.sig = target_signal_from_host (sigrc);
|
|
break;
|
|
case sim_running:
|
|
case sim_polling:
|
|
/* FIXME: Is this correct? */
|
|
break;
|
|
}
|
|
|
|
return inferior_pid;
|
|
}
|
|
|
|
/* Get ready to modify the registers array. On machines which store
|
|
individual registers, this doesn't need to do anything. On machines
|
|
which store all the registers in one fell swoop, this makes sure
|
|
that registers contains all the registers from the program being
|
|
debugged. */
|
|
|
|
static void
|
|
gdbsim_prepare_to_store ()
|
|
{
|
|
/* Do nothing, since we can store individual regs */
|
|
}
|
|
|
|
static int
|
|
gdbsim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
|
|
CORE_ADDR memaddr;
|
|
char *myaddr;
|
|
int len;
|
|
int write;
|
|
struct target_ops *target; /* ignored */
|
|
{
|
|
if (! program_loaded)
|
|
error ("No program loaded.");
|
|
|
|
if (sr_get_debug ())
|
|
{
|
|
printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n",
|
|
myaddr, memaddr, len, write);
|
|
if (sr_get_debug () && write)
|
|
dump_mem(myaddr, len);
|
|
}
|
|
|
|
if (write)
|
|
{
|
|
len = sim_write (gdbsim_desc, memaddr, myaddr, len);
|
|
}
|
|
else
|
|
{
|
|
len = sim_read (gdbsim_desc, memaddr, myaddr, len);
|
|
if (sr_get_debug () && len > 0)
|
|
dump_mem(myaddr, len);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static void
|
|
gdbsim_files_info (target)
|
|
struct target_ops *target;
|
|
{
|
|
char *file = "nothing";
|
|
|
|
if (exec_bfd)
|
|
file = bfd_get_filename (exec_bfd);
|
|
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_files_info: file \"%s\"\n", file);
|
|
|
|
if (exec_bfd)
|
|
{
|
|
printf_filtered ("\tAttached to %s running program %s\n",
|
|
target_shortname, file);
|
|
sim_info (gdbsim_desc, 0);
|
|
}
|
|
}
|
|
|
|
/* Clear the simulator's notion of what the break points are. */
|
|
|
|
static void
|
|
gdbsim_mourn_inferior ()
|
|
{
|
|
if (sr_get_debug ())
|
|
printf_filtered ("gdbsim_mourn_inferior:\n");
|
|
|
|
remove_breakpoints ();
|
|
generic_mourn_inferior ();
|
|
}
|
|
|
|
/* Pass the command argument through to the simulator verbatim. The
|
|
simulator must do any command interpretation work. */
|
|
|
|
static void
|
|
simulator_command (args, from_tty)
|
|
char *args;
|
|
int from_tty;
|
|
{
|
|
if (gdbsim_desc == NULL)
|
|
{
|
|
|
|
/* PREVIOUSLY: The user may give a command before the simulator
|
|
is opened. [...] (??? assuming of course one wishes to
|
|
continue to allow commands to be sent to unopened simulators,
|
|
which isn't entirely unreasonable). */
|
|
|
|
/* The simulator is a builtin abstraction of a remote target.
|
|
Consistent with that model, access to the simulator, via sim
|
|
commands, is restricted to the period when the channel to the
|
|
simulator is open. */
|
|
|
|
error ("Not connected to the simulator target");
|
|
}
|
|
|
|
sim_do_command (gdbsim_desc, args);
|
|
}
|
|
|
|
/* Define the target subroutine names */
|
|
|
|
struct target_ops gdbsim_ops = {
|
|
"sim", /* to_shortname */
|
|
"simulator", /* to_longname */
|
|
"Use the compiled-in simulator.", /* to_doc */
|
|
gdbsim_open, /* to_open */
|
|
gdbsim_close, /* to_close */
|
|
NULL, /* to_attach */
|
|
gdbsim_detach, /* to_detach */
|
|
gdbsim_resume, /* to_resume */
|
|
gdbsim_wait, /* to_wait */
|
|
gdbsim_fetch_register, /* to_fetch_registers */
|
|
gdbsim_store_register, /* to_store_registers */
|
|
gdbsim_prepare_to_store, /* to_prepare_to_store */
|
|
gdbsim_xfer_inferior_memory, /* to_xfer_memory */
|
|
gdbsim_files_info, /* to_files_info */
|
|
memory_insert_breakpoint, /* to_insert_breakpoint */
|
|
memory_remove_breakpoint, /* to_remove_breakpoint */
|
|
NULL, /* to_terminal_init */
|
|
NULL, /* to_terminal_inferior */
|
|
NULL, /* to_terminal_ours_for_output */
|
|
NULL, /* to_terminal_ours */
|
|
NULL, /* to_terminal_info */
|
|
gdbsim_kill, /* to_kill */
|
|
gdbsim_load, /* to_load */
|
|
NULL, /* to_lookup_symbol */
|
|
gdbsim_create_inferior, /* to_create_inferior */
|
|
gdbsim_mourn_inferior, /* to_mourn_inferior */
|
|
0, /* to_can_run */
|
|
0, /* to_notice_signals */
|
|
0, /* to_thread_alive */
|
|
gdbsim_stop, /* to_stop */
|
|
process_stratum, /* to_stratum */
|
|
NULL, /* to_next */
|
|
1, /* to_has_all_memory */
|
|
1, /* to_has_memory */
|
|
1, /* to_has_stack */
|
|
1, /* to_has_registers */
|
|
1, /* to_has_execution */
|
|
NULL, /* sections */
|
|
NULL, /* sections_end */
|
|
OPS_MAGIC, /* to_magic */
|
|
};
|
|
|
|
void
|
|
_initialize_remote_sim ()
|
|
{
|
|
add_target (&gdbsim_ops);
|
|
|
|
add_com ("sim <command>", class_obscure, simulator_command,
|
|
"Send a command to the simulator.");
|
|
}
|