1 /* Generic remote debugging interface for simulators.
3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
4 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
6 Contributed by Cygnus Support.
7 Steve Chamberlain (sac@cygnus.com).
9 This file is part of GDB.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include "gdb_string.h"
36 #include "gdb/callback.h"
37 #include "gdb/remote-sim.h"
40 #include "gdb_assert.h"
41 #include "sim-regno.h"
42 #include "arch-utils.h"
43 #include "readline/readline.h"
44 #include "gdbthread.h"
48 extern void _initialize_remote_sim (void);
50 static void dump_mem (char *buf
, int len
);
52 static void init_callbacks (void);
54 static void end_callbacks (void);
56 static int gdb_os_write_stdout (host_callback
*, const char *, int);
58 static void gdb_os_flush_stdout (host_callback
*);
60 static int gdb_os_write_stderr (host_callback
*, const char *, int);
62 static void gdb_os_flush_stderr (host_callback
*);
64 static int gdb_os_poll_quit (host_callback
*);
66 /* printf_filtered is depreciated */
67 static void gdb_os_printf_filtered (host_callback
*, const char *, ...);
69 static void gdb_os_vprintf_filtered (host_callback
*, const char *, va_list);
71 static void gdb_os_evprintf_filtered (host_callback
*, const char *, va_list);
73 static void gdb_os_error (host_callback
*, const char *, ...) ATTR_NORETURN
;
75 static void gdbsim_fetch_register (struct regcache
*regcache
, int regno
);
77 static void gdbsim_store_register (struct regcache
*regcache
, int regno
);
79 static void gdbsim_kill (void);
81 static void gdbsim_load (char *prog
, int fromtty
);
83 static void gdbsim_open (char *args
, int from_tty
);
85 static void gdbsim_close (int quitting
);
87 static void gdbsim_detach (struct target_ops
*ops
, char *args
, int from_tty
);
89 static void gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
);
91 static ptid_t
gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
);
93 static void gdbsim_prepare_to_store (struct regcache
*regcache
);
95 static void gdbsim_files_info (struct target_ops
*target
);
97 static void gdbsim_mourn_inferior (struct target_ops
*target
);
99 static void gdbsim_stop (ptid_t ptid
);
101 void simulator_command (char *args
, int from_tty
);
103 /* Naming convention:
105 sim_* are the interface to the simulator (see remote-sim.h).
106 gdbsim_* are stuff which is internal to gdb. */
108 /* Forward data declarations */
109 extern struct target_ops gdbsim_ops
;
111 static int program_loaded
= 0;
113 /* We must keep track of whether the simulator has been opened or not because
114 GDB can call a target's close routine twice, but sim_close doesn't allow
115 this. We also need to record the result of sim_open so we can pass it
116 back to the other sim_foo routines. */
117 static SIM_DESC gdbsim_desc
= 0;
119 /* This is the ptid we use while we're connected to the simulator.
120 Its value is arbitrary, as the simulator target don't have a notion
121 or processes or threads, but we need something non-null to place in
123 static ptid_t remote_sim_ptid
;
126 dump_mem (char *buf
, int len
)
130 if (len
== 8 || len
== 4)
133 memcpy (l
, buf
, len
);
134 printf_filtered ("\t0x%lx", l
[0]);
136 printf_filtered (" 0x%lx", l
[1]);
137 printf_filtered ("\n");
142 printf_filtered ("\t");
143 for (i
= 0; i
< len
; i
++)
144 printf_filtered ("0x%x ", buf
[i
]);
145 printf_filtered ("\n");
150 static host_callback gdb_callback
;
151 static int callbacks_initialized
= 0;
153 /* Initialize gdb_callback. */
156 init_callbacks (void)
158 if (!callbacks_initialized
)
160 gdb_callback
= default_callback
;
161 gdb_callback
.init (&gdb_callback
);
162 gdb_callback
.write_stdout
= gdb_os_write_stdout
;
163 gdb_callback
.flush_stdout
= gdb_os_flush_stdout
;
164 gdb_callback
.write_stderr
= gdb_os_write_stderr
;
165 gdb_callback
.flush_stderr
= gdb_os_flush_stderr
;
166 gdb_callback
.printf_filtered
= gdb_os_printf_filtered
;
167 gdb_callback
.vprintf_filtered
= gdb_os_vprintf_filtered
;
168 gdb_callback
.evprintf_filtered
= gdb_os_evprintf_filtered
;
169 gdb_callback
.error
= gdb_os_error
;
170 gdb_callback
.poll_quit
= gdb_os_poll_quit
;
171 gdb_callback
.magic
= HOST_CALLBACK_MAGIC
;
172 callbacks_initialized
= 1;
176 /* Release callbacks (free resources used by them). */
181 if (callbacks_initialized
)
183 gdb_callback
.shutdown (&gdb_callback
);
184 callbacks_initialized
= 0;
188 /* GDB version of os_write_stdout callback. */
191 gdb_os_write_stdout (host_callback
*p
, const char *buf
, int len
)
196 ui_file_write (gdb_stdtarg
, buf
, len
);
200 /* GDB version of os_flush_stdout callback. */
203 gdb_os_flush_stdout (host_callback
*p
)
205 gdb_flush (gdb_stdtarg
);
208 /* GDB version of os_write_stderr callback. */
211 gdb_os_write_stderr (host_callback
*p
, const char *buf
, int len
)
216 for (i
= 0; i
< len
; i
++)
220 fputs_unfiltered (b
, gdb_stdtargerr
);
225 /* GDB version of os_flush_stderr callback. */
228 gdb_os_flush_stderr (host_callback
*p
)
230 gdb_flush (gdb_stdtargerr
);
233 /* GDB version of printf_filtered callback. */
236 gdb_os_printf_filtered (host_callback
* p
, const char *format
,...)
239 va_start (args
, format
);
241 vfprintf_filtered (gdb_stdout
, format
, args
);
246 /* GDB version of error vprintf_filtered. */
249 gdb_os_vprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
251 vfprintf_filtered (gdb_stdout
, format
, ap
);
254 /* GDB version of error evprintf_filtered. */
257 gdb_os_evprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
259 vfprintf_filtered (gdb_stderr
, format
, ap
);
262 /* GDB version of error callback. */
265 gdb_os_error (host_callback
* p
, const char *format
,...)
267 if (deprecated_error_hook
)
268 (*deprecated_error_hook
) ();
272 va_start (args
, format
);
273 verror (format
, args
);
280 one2one_register_sim_regno (struct gdbarch
*gdbarch
, int regnum
)
282 /* Only makes sense to supply raw registers. */
283 gdb_assert (regnum
>= 0 && regnum
< gdbarch_num_regs (gdbarch
));
288 gdbsim_fetch_register (struct regcache
*regcache
, int regno
)
290 struct gdbarch
*gdbarch
= get_regcache_arch (regcache
);
293 for (regno
= 0; regno
< gdbarch_num_regs (gdbarch
); regno
++)
294 gdbsim_fetch_register (regcache
, regno
);
298 switch (gdbarch_register_sim_regno (gdbarch
, regno
))
300 case LEGACY_SIM_REGNO_IGNORE
:
302 case SIM_REGNO_DOES_NOT_EXIST
:
304 /* For moment treat a `does not exist' register the same way
305 as an ``unavailable'' register. */
306 char buf
[MAX_REGISTER_SIZE
];
308 memset (buf
, 0, MAX_REGISTER_SIZE
);
309 regcache_raw_supply (regcache
, regno
, buf
);
315 static int warn_user
= 1;
316 char buf
[MAX_REGISTER_SIZE
];
318 gdb_assert (regno
>= 0 && regno
< gdbarch_num_regs (gdbarch
));
319 memset (buf
, 0, MAX_REGISTER_SIZE
);
320 nr_bytes
= sim_fetch_register (gdbsim_desc
,
321 gdbarch_register_sim_regno
324 register_size (gdbarch
, regno
));
326 && nr_bytes
!= register_size (gdbarch
, regno
) && warn_user
)
328 fprintf_unfiltered (gdb_stderr
,
329 "Size of register %s (%d/%d) incorrect (%d instead of %d))",
330 gdbarch_register_name (gdbarch
, regno
),
332 gdbarch_register_sim_regno
334 nr_bytes
, register_size (gdbarch
, regno
));
337 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
338 indicating that GDB and the SIM have different ideas about
339 which registers are fetchable. */
340 /* Else if (nr_bytes < 0): an old simulator, that doesn't
341 think to return the register size. Just assume all is ok. */
342 regcache_raw_supply (regcache
, regno
, buf
);
345 printf_filtered ("gdbsim_fetch_register: %d", regno
);
346 /* FIXME: We could print something more intelligible. */
347 dump_mem (buf
, register_size (gdbarch
, regno
));
356 gdbsim_store_register (struct regcache
*regcache
, int regno
)
358 struct gdbarch
*gdbarch
= get_regcache_arch (regcache
);
361 for (regno
= 0; regno
< gdbarch_num_regs (gdbarch
); regno
++)
362 gdbsim_store_register (regcache
, regno
);
365 else if (gdbarch_register_sim_regno (gdbarch
, regno
) >= 0)
367 char tmp
[MAX_REGISTER_SIZE
];
369 regcache_cooked_read (regcache
, regno
, tmp
);
370 nr_bytes
= sim_store_register (gdbsim_desc
,
371 gdbarch_register_sim_regno
373 tmp
, register_size (gdbarch
, regno
));
374 if (nr_bytes
> 0 && nr_bytes
!= register_size (gdbarch
, regno
))
375 internal_error (__FILE__
, __LINE__
,
376 _("Register size different to expected"));
377 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
378 indicating that GDB and the SIM have different ideas about
379 which registers are fetchable. */
382 printf_filtered ("gdbsim_store_register: %d", regno
);
383 /* FIXME: We could print something more intelligible. */
384 dump_mem (tmp
, register_size (gdbarch
, regno
));
389 /* Kill the running program. This may involve closing any open files
390 and releasing other resources acquired by the simulated program. */
396 printf_filtered ("gdbsim_kill\n");
398 /* There is no need to `kill' running simulator - the simulator is
399 not running. Mourning it is enough. */
400 target_mourn_inferior ();
403 /* Load an executable file into the target process. This is expected to
404 not only bring new code into the target process, but also to update
405 GDB's symbol tables to match. */
408 gdbsim_load (char *args
, int fromtty
)
414 error_no_arg (_("program to load"));
416 argv
= gdb_buildargv (args
);
417 make_cleanup_freeargv (argv
);
419 prog
= tilde_expand (argv
[0]);
422 error (_("GDB sim does not yet support a load offset."));
425 printf_filtered ("gdbsim_load: prog \"%s\"\n", prog
);
427 /* FIXME: We will print two messages on error.
428 Need error to either not print anything if passed NULL or need
429 another routine that doesn't take any arguments. */
430 if (sim_load (gdbsim_desc
, prog
, NULL
, fromtty
) == SIM_RC_FAIL
)
431 error (_("unable to load program"));
433 /* FIXME: If a load command should reset the targets registers then
434 a call to sim_create_inferior() should go here. */
440 /* Start an inferior process and set inferior_ptid to its pid.
441 EXEC_FILE is the file to run.
442 ARGS is a string containing the arguments to the program.
443 ENV is the environment vector to pass. Errors reported with error().
444 On VxWorks and various standalone systems, we ignore exec_file. */
445 /* This is called not only when we first attach, but also when the
446 user types "run" after having attached. */
449 gdbsim_create_inferior (struct target_ops
*target
, char *exec_file
, char *args
,
450 char **env
, int from_tty
)
453 char *arg_buf
, **argv
;
455 if (exec_file
== 0 || exec_bfd
== 0)
456 warning (_("No executable file specified."));
458 warning (_("No program loaded."));
461 printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
462 (exec_file
? exec_file
: "(NULL)"),
465 if (ptid_equal (inferior_ptid
, remote_sim_ptid
))
467 remove_breakpoints ();
468 init_wait_for_inferior ();
470 if (exec_file
!= NULL
)
472 len
= strlen (exec_file
) + 1 + strlen (args
) + 1 + /*slop */ 10;
473 arg_buf
= (char *) alloca (len
);
475 strcat (arg_buf
, exec_file
);
476 strcat (arg_buf
, " ");
477 strcat (arg_buf
, args
);
478 argv
= gdb_buildargv (arg_buf
);
479 make_cleanup_freeargv (argv
);
483 sim_create_inferior (gdbsim_desc
, exec_bfd
, argv
, env
);
485 inferior_ptid
= remote_sim_ptid
;
486 add_inferior_silent (ptid_get_pid (inferior_ptid
));
487 add_thread_silent (inferior_ptid
);
489 target_mark_running (&gdbsim_ops
);
490 insert_breakpoints (); /* Needed to get correct instruction in cache */
492 clear_proceed_status ();
495 /* The open routine takes the rest of the parameters from the command,
496 and (if successful) pushes a new target onto the stack.
497 Targets should supply this routine, if only to provide an error message. */
498 /* Called when selecting the simulator. EG: (gdb) target sim name. */
501 gdbsim_open (char *args
, int from_tty
)
508 printf_filtered ("gdbsim_open: args \"%s\"\n", args
? args
: "(null)");
510 /* Remove current simulator if one exists. Only do this if the simulator
511 has been opened because sim_close requires it.
512 This is important because the call to push_target below will cause
513 sim_close to be called if the simulator is already open, but push_target
514 is called after sim_open! We can't move the call to push_target before
515 the call to sim_open because sim_open may invoke `error'. */
516 if (gdbsim_desc
!= NULL
)
517 unpush_target (&gdbsim_ops
);
519 len
= (7 + 1 /* gdbsim */
520 + strlen (" -E little")
521 + strlen (" --architecture=xxxxxxxxxx")
522 + (args
? strlen (args
) : 0)
524 arg_buf
= (char *) alloca (len
);
525 strcpy (arg_buf
, "gdbsim"); /* 7 */
526 /* Specify the byte order for the target when it is explicitly
527 specified by the user (not auto detected). */
528 switch (selected_byte_order ())
531 strcat (arg_buf
, " -E big");
533 case BFD_ENDIAN_LITTLE
:
534 strcat (arg_buf
, " -E little");
536 case BFD_ENDIAN_UNKNOWN
:
539 /* Specify the architecture of the target when it has been
540 explicitly specified */
541 if (selected_architecture_name () != NULL
)
543 strcat (arg_buf
, " --architecture=");
544 strcat (arg_buf
, selected_architecture_name ());
546 /* finally, any explicit args */
549 strcat (arg_buf
, " "); /* 1 */
550 strcat (arg_buf
, args
);
552 argv
= gdb_buildargv (arg_buf
);
553 make_cleanup_freeargv (argv
);
556 gdbsim_desc
= sim_open (SIM_OPEN_DEBUG
, &gdb_callback
, exec_bfd
, argv
);
558 if (gdbsim_desc
== 0)
559 error (_("unable to create simulator instance"));
561 push_target (&gdbsim_ops
);
562 printf_filtered ("Connected to the simulator.\n");
564 /* There's nothing running after "target sim" or "load"; not until
566 inferior_ptid
= null_ptid
;
567 target_mark_exited (&gdbsim_ops
);
570 /* Does whatever cleanup is required for a target that we are no longer
571 going to be calling. Argument says whether we are quitting gdb and
572 should not get hung in case of errors, or whether we want a clean
573 termination even if it takes a while. This routine is automatically
574 always called just before a routine is popped off the target stack.
575 Closing file descriptors and freeing memory are typical things it should
577 /* Close out all files and local state before this target loses control. */
580 gdbsim_close (int quitting
)
583 printf_filtered ("gdbsim_close: quitting %d\n", quitting
);
587 if (gdbsim_desc
!= NULL
)
589 sim_close (gdbsim_desc
, quitting
);
594 generic_mourn_inferior ();
595 delete_thread_silent (remote_sim_ptid
);
596 delete_inferior_silent (ptid_get_pid (remote_sim_ptid
));
599 /* Takes a program previously attached to and detaches it.
600 The program may resume execution (some targets do, some don't) and will
601 no longer stop on signals, etc. We better not have left any breakpoints
602 in the program or it'll die when it hits one. ARGS is arguments
603 typed by the user (e.g. a signal to send the process). FROM_TTY
604 says whether to be verbose or not. */
605 /* Terminate the open connection to the remote debugger.
606 Use this when you want to detach and do something else with your gdb. */
609 gdbsim_detach (struct target_ops
*ops
, char *args
, int from_tty
)
612 printf_filtered ("gdbsim_detach: args \"%s\"\n", args
);
614 pop_target (); /* calls gdbsim_close to do the real work */
616 printf_filtered ("Ending simulator %s debugging\n", target_shortname
);
619 /* Resume execution of the target process. STEP says whether to single-step
620 or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
621 to the target, or zero for no signal. */
623 static enum target_signal resume_siggnal
;
624 static int resume_step
;
627 gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
)
629 if (!ptid_equal (inferior_ptid
, remote_sim_ptid
))
630 error (_("The program is not being run."));
633 printf_filtered ("gdbsim_resume: step %d, signal %d\n", step
, siggnal
);
635 resume_siggnal
= siggnal
;
639 /* Notify the simulator of an asynchronous request to stop.
641 The simulator shall ensure that the stop request is eventually
642 delivered to the simulator. If the call is made while the
643 simulator is not running then the stop request is processed when
644 the simulator is next resumed.
646 For simulators that do not support this operation, just abort */
649 gdbsim_stop (ptid_t ptid
)
651 if (!sim_stop (gdbsim_desc
))
657 /* GDB version of os_poll_quit callback.
658 Taken from gdb/util.c - should be in a library. */
661 gdb_os_poll_quit (host_callback
*p
)
663 if (deprecated_ui_loop_hook
!= NULL
)
664 deprecated_ui_loop_hook (0);
666 if (quit_flag
) /* gdb's idea of quit */
668 quit_flag
= 0; /* we've stolen it */
671 else if (immediate_quit
)
678 /* Wait for inferior process to do something. Return pid of child,
679 or -1 in case of error; store status through argument pointer STATUS,
680 just as `wait' would. */
683 gdbsim_cntrl_c (int signo
)
685 gdbsim_stop (remote_sim_ptid
);
689 gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
)
691 static RETSIGTYPE (*prev_sigint
) ();
693 enum sim_stop reason
= sim_running
;
696 printf_filtered ("gdbsim_wait\n");
698 #if defined (HAVE_SIGACTION) && defined (SA_RESTART)
700 struct sigaction sa
, osa
;
701 sa
.sa_handler
= gdbsim_cntrl_c
;
702 sigemptyset (&sa
.sa_mask
);
704 sigaction (SIGINT
, &sa
, &osa
);
705 prev_sigint
= osa
.sa_handler
;
708 prev_sigint
= signal (SIGINT
, gdbsim_cntrl_c
);
710 sim_resume (gdbsim_desc
, resume_step
, resume_siggnal
);
711 signal (SIGINT
, prev_sigint
);
714 sim_stop_reason (gdbsim_desc
, &reason
, &sigrc
);
719 status
->kind
= TARGET_WAITKIND_EXITED
;
720 status
->value
.integer
= sigrc
;
725 case TARGET_SIGNAL_ABRT
:
728 case TARGET_SIGNAL_INT
:
729 case TARGET_SIGNAL_TRAP
:
731 status
->kind
= TARGET_WAITKIND_STOPPED
;
732 status
->value
.sig
= sigrc
;
737 status
->kind
= TARGET_WAITKIND_SIGNALLED
;
738 status
->value
.sig
= sigrc
;
742 /* FIXME: Is this correct? */
746 return inferior_ptid
;
749 /* Get ready to modify the registers array. On machines which store
750 individual registers, this doesn't need to do anything. On machines
751 which store all the registers in one fell swoop, this makes sure
752 that registers contains all the registers from the program being
756 gdbsim_prepare_to_store (struct regcache
*regcache
)
758 /* Do nothing, since we can store individual regs */
761 /* Transfer LEN bytes between GDB address MYADDR and target address
762 MEMADDR. If WRITE is non-zero, transfer them to the target,
763 otherwise transfer them from the target. TARGET is unused.
765 Returns the number of bytes transferred. */
768 gdbsim_xfer_inferior_memory (CORE_ADDR memaddr
, gdb_byte
*myaddr
, int len
,
769 int write
, struct mem_attrib
*attrib
,
770 struct target_ops
*target
)
772 /* If no program is running yet, then ignore the simulator for
773 memory. Pass the request down to the next target, hopefully
775 if (!target_has_execution
)
779 error (_("No program loaded."));
783 /* FIXME: Send to something other than STDOUT? */
784 printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x");
785 gdb_print_host_address (myaddr
, gdb_stdout
);
786 printf_filtered (", memaddr 0x%s, len %d, write %d\n",
787 paddr_nz (memaddr
), len
, write
);
788 if (remote_debug
&& write
)
789 dump_mem (myaddr
, len
);
794 len
= sim_write (gdbsim_desc
, memaddr
, myaddr
, len
);
798 len
= sim_read (gdbsim_desc
, memaddr
, myaddr
, len
);
799 if (remote_debug
&& len
> 0)
800 dump_mem (myaddr
, len
);
806 gdbsim_files_info (struct target_ops
*target
)
808 char *file
= "nothing";
811 file
= bfd_get_filename (exec_bfd
);
814 printf_filtered ("gdbsim_files_info: file \"%s\"\n", file
);
818 printf_filtered ("\tAttached to %s running program %s\n",
819 target_shortname
, file
);
820 sim_info (gdbsim_desc
, 0);
824 /* Clear the simulator's notion of what the break points are. */
827 gdbsim_mourn_inferior (struct target_ops
*target
)
830 printf_filtered ("gdbsim_mourn_inferior:\n");
832 remove_breakpoints ();
833 target_mark_exited (target
);
834 generic_mourn_inferior ();
835 delete_thread_silent (remote_sim_ptid
);
838 /* Pass the command argument through to the simulator verbatim. The
839 simulator must do any command interpretation work. */
842 simulator_command (char *args
, int from_tty
)
844 if (gdbsim_desc
== NULL
)
847 /* PREVIOUSLY: The user may give a command before the simulator
848 is opened. [...] (??? assuming of course one wishes to
849 continue to allow commands to be sent to unopened simulators,
850 which isn't entirely unreasonable). */
852 /* The simulator is a builtin abstraction of a remote target.
853 Consistent with that model, access to the simulator, via sim
854 commands, is restricted to the period when the channel to the
855 simulator is open. */
857 error (_("Not connected to the simulator target"));
860 sim_do_command (gdbsim_desc
, args
);
862 /* Invalidate the register cache, in case the simulator command does
864 registers_changed ();
867 /* Check to see if a thread is still alive. */
870 gdbsim_thread_alive (ptid_t ptid
)
872 if (ptid_equal (ptid
, remote_sim_ptid
))
873 /* The simulators' task is always alive. */
879 /* Convert a thread ID to a string. Returns the string in a static
883 gdbsim_pid_to_str (ptid_t ptid
)
887 if (ptid_equal (remote_sim_ptid
, ptid
))
889 xsnprintf (buf
, sizeof buf
, "Thread <main>");
893 return normal_pid_to_str (ptid
);
896 /* Define the target subroutine names */
898 struct target_ops gdbsim_ops
;
901 init_gdbsim_ops (void)
903 gdbsim_ops
.to_shortname
= "sim";
904 gdbsim_ops
.to_longname
= "simulator";
905 gdbsim_ops
.to_doc
= "Use the compiled-in simulator.";
906 gdbsim_ops
.to_open
= gdbsim_open
;
907 gdbsim_ops
.to_close
= gdbsim_close
;
908 gdbsim_ops
.to_detach
= gdbsim_detach
;
909 gdbsim_ops
.to_resume
= gdbsim_resume
;
910 gdbsim_ops
.to_wait
= gdbsim_wait
;
911 gdbsim_ops
.to_fetch_registers
= gdbsim_fetch_register
;
912 gdbsim_ops
.to_store_registers
= gdbsim_store_register
;
913 gdbsim_ops
.to_prepare_to_store
= gdbsim_prepare_to_store
;
914 gdbsim_ops
.deprecated_xfer_memory
= gdbsim_xfer_inferior_memory
;
915 gdbsim_ops
.to_files_info
= gdbsim_files_info
;
916 gdbsim_ops
.to_insert_breakpoint
= memory_insert_breakpoint
;
917 gdbsim_ops
.to_remove_breakpoint
= memory_remove_breakpoint
;
918 gdbsim_ops
.to_kill
= gdbsim_kill
;
919 gdbsim_ops
.to_load
= gdbsim_load
;
920 gdbsim_ops
.to_create_inferior
= gdbsim_create_inferior
;
921 gdbsim_ops
.to_mourn_inferior
= gdbsim_mourn_inferior
;
922 gdbsim_ops
.to_stop
= gdbsim_stop
;
923 gdbsim_ops
.to_thread_alive
= gdbsim_thread_alive
;
924 gdbsim_ops
.to_pid_to_str
= gdbsim_pid_to_str
;
925 gdbsim_ops
.to_stratum
= process_stratum
;
926 gdbsim_ops
.to_has_all_memory
= 1;
927 gdbsim_ops
.to_has_memory
= 1;
928 gdbsim_ops
.to_has_stack
= 1;
929 gdbsim_ops
.to_has_registers
= 1;
930 gdbsim_ops
.to_has_execution
= 1;
931 gdbsim_ops
.to_magic
= OPS_MAGIC
;
935 _initialize_remote_sim (void)
938 add_target (&gdbsim_ops
);
940 add_com ("sim", class_obscure
, simulator_command
,
941 _("Send a command to the simulator."));
943 /* Yes, 42000 is arbitrary. The only sense out of it, is that it
945 remote_sim_ptid
= ptid_build (42000, 0, 42000);