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 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"
47 extern void _initialize_remote_sim (void);
49 static void dump_mem (char *buf
, int len
);
51 static void init_callbacks (void);
53 static void end_callbacks (void);
55 static int gdb_os_write_stdout (host_callback
*, const char *, int);
57 static void gdb_os_flush_stdout (host_callback
*);
59 static int gdb_os_write_stderr (host_callback
*, const char *, int);
61 static void gdb_os_flush_stderr (host_callback
*);
63 static int gdb_os_poll_quit (host_callback
*);
65 /* printf_filtered is depreciated */
66 static void gdb_os_printf_filtered (host_callback
*, const char *, ...);
68 static void gdb_os_vprintf_filtered (host_callback
*, const char *, va_list);
70 static void gdb_os_evprintf_filtered (host_callback
*, const char *, va_list);
72 static void gdb_os_error (host_callback
*, const char *, ...);
74 static void gdbsim_fetch_register (struct regcache
*regcache
, int regno
);
76 static void gdbsim_store_register (struct regcache
*regcache
, int regno
);
78 static void gdbsim_kill (void);
80 static void gdbsim_load (char *prog
, int fromtty
);
82 static void gdbsim_open (char *args
, int from_tty
);
84 static void gdbsim_close (int quitting
);
86 static void gdbsim_detach (char *args
, int from_tty
);
88 static void gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
);
90 static ptid_t
gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
);
92 static void gdbsim_prepare_to_store (struct regcache
*regcache
);
94 static void gdbsim_files_info (struct target_ops
*target
);
96 static void gdbsim_mourn_inferior (void);
98 static void gdbsim_stop (void);
100 void simulator_command (char *args
, int from_tty
);
102 /* Naming convention:
104 sim_* are the interface to the simulator (see remote-sim.h).
105 gdbsim_* are stuff which is internal to gdb. */
107 /* Forward data declarations */
108 extern struct target_ops gdbsim_ops
;
110 static int program_loaded
= 0;
112 /* We must keep track of whether the simulator has been opened or not because
113 GDB can call a target's close routine twice, but sim_close doesn't allow
114 this. We also need to record the result of sim_open so we can pass it
115 back to the other sim_foo routines. */
116 static SIM_DESC gdbsim_desc
= 0;
119 dump_mem (char *buf
, int len
)
123 if (len
== 8 || len
== 4)
126 memcpy (l
, buf
, len
);
127 printf_filtered ("\t0x%lx", l
[0]);
129 printf_filtered (" 0x%lx", l
[1]);
130 printf_filtered ("\n");
135 printf_filtered ("\t");
136 for (i
= 0; i
< len
; i
++)
137 printf_filtered ("0x%x ", buf
[i
]);
138 printf_filtered ("\n");
143 static host_callback gdb_callback
;
144 static int callbacks_initialized
= 0;
146 /* Initialize gdb_callback. */
149 init_callbacks (void)
151 if (!callbacks_initialized
)
153 gdb_callback
= default_callback
;
154 gdb_callback
.init (&gdb_callback
);
155 gdb_callback
.write_stdout
= gdb_os_write_stdout
;
156 gdb_callback
.flush_stdout
= gdb_os_flush_stdout
;
157 gdb_callback
.write_stderr
= gdb_os_write_stderr
;
158 gdb_callback
.flush_stderr
= gdb_os_flush_stderr
;
159 gdb_callback
.printf_filtered
= gdb_os_printf_filtered
;
160 gdb_callback
.vprintf_filtered
= gdb_os_vprintf_filtered
;
161 gdb_callback
.evprintf_filtered
= gdb_os_evprintf_filtered
;
162 gdb_callback
.error
= gdb_os_error
;
163 gdb_callback
.poll_quit
= gdb_os_poll_quit
;
164 gdb_callback
.magic
= HOST_CALLBACK_MAGIC
;
165 callbacks_initialized
= 1;
169 /* Release callbacks (free resources used by them). */
174 if (callbacks_initialized
)
176 gdb_callback
.shutdown (&gdb_callback
);
177 callbacks_initialized
= 0;
181 /* GDB version of os_write_stdout callback. */
184 gdb_os_write_stdout (host_callback
*p
, const char *buf
, int len
)
189 ui_file_write (gdb_stdtarg
, buf
, len
);
193 /* GDB version of os_flush_stdout callback. */
196 gdb_os_flush_stdout (host_callback
*p
)
198 gdb_flush (gdb_stdtarg
);
201 /* GDB version of os_write_stderr callback. */
204 gdb_os_write_stderr (host_callback
*p
, const char *buf
, int len
)
209 for (i
= 0; i
< len
; i
++)
213 fputs_unfiltered (b
, gdb_stdtargerr
);
218 /* GDB version of os_flush_stderr callback. */
221 gdb_os_flush_stderr (host_callback
*p
)
223 gdb_flush (gdb_stdtargerr
);
226 /* GDB version of printf_filtered callback. */
229 gdb_os_printf_filtered (host_callback
* p
, const char *format
,...)
232 va_start (args
, format
);
234 vfprintf_filtered (gdb_stdout
, format
, args
);
239 /* GDB version of error vprintf_filtered. */
242 gdb_os_vprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
244 vfprintf_filtered (gdb_stdout
, format
, ap
);
247 /* GDB version of error evprintf_filtered. */
250 gdb_os_evprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
252 vfprintf_filtered (gdb_stderr
, format
, ap
);
255 /* GDB version of error callback. */
258 gdb_os_error (host_callback
* p
, const char *format
,...)
260 if (deprecated_error_hook
)
261 (*deprecated_error_hook
) ();
265 va_start (args
, format
);
266 verror (format
, args
);
272 one2one_register_sim_regno (int regnum
)
274 /* Only makes sense to supply raw registers. */
275 gdb_assert (regnum
>= 0 && regnum
< gdbarch_num_regs (current_gdbarch
));
280 gdbsim_fetch_register (struct regcache
*regcache
, int regno
)
284 for (regno
= 0; regno
< gdbarch_num_regs (current_gdbarch
); regno
++)
285 gdbsim_fetch_register (regcache
, regno
);
289 switch (gdbarch_register_sim_regno (current_gdbarch
, regno
))
291 case LEGACY_SIM_REGNO_IGNORE
:
293 case SIM_REGNO_DOES_NOT_EXIST
:
295 /* For moment treat a `does not exist' register the same way
296 as an ``unavailable'' register. */
297 char buf
[MAX_REGISTER_SIZE
];
299 memset (buf
, 0, MAX_REGISTER_SIZE
);
300 regcache_raw_supply (regcache
, regno
, buf
);
306 static int warn_user
= 1;
307 char buf
[MAX_REGISTER_SIZE
];
309 gdb_assert (regno
>= 0 && regno
< gdbarch_num_regs (current_gdbarch
));
310 memset (buf
, 0, MAX_REGISTER_SIZE
);
311 nr_bytes
= sim_fetch_register (gdbsim_desc
,
312 gdbarch_register_sim_regno
313 (current_gdbarch
, regno
),
315 register_size (current_gdbarch
, regno
));
316 if (nr_bytes
> 0 && nr_bytes
!= register_size (current_gdbarch
, regno
) && warn_user
)
318 fprintf_unfiltered (gdb_stderr
,
319 "Size of register %s (%d/%d) incorrect (%d instead of %d))",
320 gdbarch_register_name (current_gdbarch
, regno
),
322 gdbarch_register_sim_regno
323 (current_gdbarch
, regno
),
324 nr_bytes
, register_size (current_gdbarch
, regno
));
327 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
328 indicating that GDB and the SIM have different ideas about
329 which registers are fetchable. */
330 /* Else if (nr_bytes < 0): an old simulator, that doesn't
331 think to return the register size. Just assume all is ok. */
332 regcache_raw_supply (regcache
, regno
, buf
);
335 printf_filtered ("gdbsim_fetch_register: %d", regno
);
336 /* FIXME: We could print something more intelligible. */
337 dump_mem (buf
, register_size (current_gdbarch
, regno
));
346 gdbsim_store_register (struct regcache
*regcache
, int regno
)
350 for (regno
= 0; regno
< gdbarch_num_regs (current_gdbarch
); regno
++)
351 gdbsim_store_register (regcache
, regno
);
354 else if (gdbarch_register_sim_regno (current_gdbarch
, regno
) >= 0)
356 char tmp
[MAX_REGISTER_SIZE
];
358 regcache_cooked_read (regcache
, regno
, tmp
);
359 nr_bytes
= sim_store_register (gdbsim_desc
,
360 gdbarch_register_sim_regno
361 (current_gdbarch
, regno
),
362 tmp
, register_size (current_gdbarch
, regno
));
363 if (nr_bytes
> 0 && nr_bytes
!= register_size (current_gdbarch
, regno
))
364 internal_error (__FILE__
, __LINE__
,
365 _("Register size different to expected"));
366 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
367 indicating that GDB and the SIM have different ideas about
368 which registers are fetchable. */
371 printf_filtered ("gdbsim_store_register: %d", regno
);
372 /* FIXME: We could print something more intelligible. */
373 dump_mem (tmp
, register_size (current_gdbarch
, regno
));
378 /* Kill the running program. This may involve closing any open files
379 and releasing other resources acquired by the simulated program. */
385 printf_filtered ("gdbsim_kill\n");
387 /* There is no need to `kill' running simulator - the simulator is
388 not running. Mourning it is enough. */
389 target_mourn_inferior ();
392 /* Load an executable file into the target process. This is expected to
393 not only bring new code into the target process, but also to update
394 GDB's symbol tables to match. */
397 gdbsim_load (char *args
, int fromtty
)
399 char **argv
= buildargv (args
);
405 make_cleanup_freeargv (argv
);
407 prog
= tilde_expand (argv
[0]);
410 error (_("GDB sim does not yet support a load offset."));
413 printf_filtered ("gdbsim_load: prog \"%s\"\n", prog
);
415 /* FIXME: We will print two messages on error.
416 Need error to either not print anything if passed NULL or need
417 another routine that doesn't take any arguments. */
418 if (sim_load (gdbsim_desc
, prog
, NULL
, fromtty
) == SIM_RC_FAIL
)
419 error (_("unable to load program"));
421 /* FIXME: If a load command should reset the targets registers then
422 a call to sim_create_inferior() should go here. */
428 /* Start an inferior process and set inferior_ptid to its pid.
429 EXEC_FILE is the file to run.
430 ARGS is a string containing the arguments to the program.
431 ENV is the environment vector to pass. Errors reported with error().
432 On VxWorks and various standalone systems, we ignore exec_file. */
433 /* This is called not only when we first attach, but also when the
434 user types "run" after having attached. */
437 gdbsim_create_inferior (char *exec_file
, char *args
, char **env
, int from_tty
)
440 char *arg_buf
, **argv
;
442 if (exec_file
== 0 || exec_bfd
== 0)
443 warning (_("No executable file specified."));
445 warning (_("No program loaded."));
448 printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
449 (exec_file
? exec_file
: "(NULL)"),
453 remove_breakpoints ();
454 init_wait_for_inferior ();
456 if (exec_file
!= NULL
)
458 len
= strlen (exec_file
) + 1 + strlen (args
) + 1 + /*slop */ 10;
459 arg_buf
= (char *) alloca (len
);
461 strcat (arg_buf
, exec_file
);
462 strcat (arg_buf
, " ");
463 strcat (arg_buf
, args
);
464 argv
= buildargv (arg_buf
);
465 make_cleanup_freeargv (argv
);
469 sim_create_inferior (gdbsim_desc
, exec_bfd
, argv
, env
);
471 inferior_ptid
= pid_to_ptid (42);
472 target_mark_running (&gdbsim_ops
);
473 insert_breakpoints (); /* Needed to get correct instruction in cache */
475 clear_proceed_status ();
478 /* The open routine takes the rest of the parameters from the command,
479 and (if successful) pushes a new target onto the stack.
480 Targets should supply this routine, if only to provide an error message. */
481 /* Called when selecting the simulator. EG: (gdb) target sim name. */
484 gdbsim_open (char *args
, int from_tty
)
491 printf_filtered ("gdbsim_open: args \"%s\"\n", args
? args
: "(null)");
493 /* Remove current simulator if one exists. Only do this if the simulator
494 has been opened because sim_close requires it.
495 This is important because the call to push_target below will cause
496 sim_close to be called if the simulator is already open, but push_target
497 is called after sim_open! We can't move the call to push_target before
498 the call to sim_open because sim_open may invoke `error'. */
499 if (gdbsim_desc
!= NULL
)
500 unpush_target (&gdbsim_ops
);
502 len
= (7 + 1 /* gdbsim */
503 + strlen (" -E little")
504 + strlen (" --architecture=xxxxxxxxxx")
505 + (args
? strlen (args
) : 0)
507 arg_buf
= (char *) alloca (len
);
508 strcpy (arg_buf
, "gdbsim"); /* 7 */
509 /* Specify the byte order for the target when it is explicitly
510 specified by the user (not auto detected). */
511 switch (selected_byte_order ())
514 strcat (arg_buf
, " -E big");
516 case BFD_ENDIAN_LITTLE
:
517 strcat (arg_buf
, " -E little");
519 case BFD_ENDIAN_UNKNOWN
:
522 /* Specify the architecture of the target when it has been
523 explicitly specified */
524 if (selected_architecture_name () != NULL
)
526 strcat (arg_buf
, " --architecture=");
527 strcat (arg_buf
, selected_architecture_name ());
529 /* finally, any explicit args */
532 strcat (arg_buf
, " "); /* 1 */
533 strcat (arg_buf
, args
);
535 argv
= buildargv (arg_buf
);
537 error (_("Insufficient memory available to allocate simulator arg list."));
538 make_cleanup_freeargv (argv
);
541 gdbsim_desc
= sim_open (SIM_OPEN_DEBUG
, &gdb_callback
, exec_bfd
, argv
);
543 if (gdbsim_desc
== 0)
544 error (_("unable to create simulator instance"));
546 push_target (&gdbsim_ops
);
547 printf_filtered ("Connected to the simulator.\n");
549 /* There's nothing running after "target sim" or "load"; not until
551 inferior_ptid
= null_ptid
;
552 target_mark_exited (&gdbsim_ops
);
555 /* Does whatever cleanup is required for a target that we are no longer
556 going to be calling. Argument says whether we are quitting gdb and
557 should not get hung in case of errors, or whether we want a clean
558 termination even if it takes a while. This routine is automatically
559 always called just before a routine is popped off the target stack.
560 Closing file descriptors and freeing memory are typical things it should
562 /* Close out all files and local state before this target loses control. */
565 gdbsim_close (int quitting
)
568 printf_filtered ("gdbsim_close: quitting %d\n", quitting
);
572 if (gdbsim_desc
!= NULL
)
574 sim_close (gdbsim_desc
, quitting
);
579 generic_mourn_inferior ();
582 /* Takes a program previously attached to and detaches it.
583 The program may resume execution (some targets do, some don't) and will
584 no longer stop on signals, etc. We better not have left any breakpoints
585 in the program or it'll die when it hits one. ARGS is arguments
586 typed by the user (e.g. a signal to send the process). FROM_TTY
587 says whether to be verbose or not. */
588 /* Terminate the open connection to the remote debugger.
589 Use this when you want to detach and do something else with your gdb. */
592 gdbsim_detach (char *args
, int from_tty
)
595 printf_filtered ("gdbsim_detach: args \"%s\"\n", args
);
597 pop_target (); /* calls gdbsim_close to do the real work */
599 printf_filtered ("Ending simulator %s debugging\n", target_shortname
);
602 /* Resume execution of the target process. STEP says whether to single-step
603 or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
604 to the target, or zero for no signal. */
606 static enum target_signal resume_siggnal
;
607 static int resume_step
;
610 gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
)
612 if (PIDGET (inferior_ptid
) != 42)
613 error (_("The program is not being run."));
616 printf_filtered ("gdbsim_resume: step %d, signal %d\n", step
, siggnal
);
618 resume_siggnal
= siggnal
;
622 /* Notify the simulator of an asynchronous request to stop.
624 The simulator shall ensure that the stop request is eventually
625 delivered to the simulator. If the call is made while the
626 simulator is not running then the stop request is processed when
627 the simulator is next resumed.
629 For simulators that do not support this operation, just abort */
634 if (!sim_stop (gdbsim_desc
))
640 /* GDB version of os_poll_quit callback.
641 Taken from gdb/util.c - should be in a library. */
644 gdb_os_poll_quit (host_callback
*p
)
646 if (deprecated_ui_loop_hook
!= NULL
)
647 deprecated_ui_loop_hook (0);
649 if (quit_flag
) /* gdb's idea of quit */
651 quit_flag
= 0; /* we've stolen it */
654 else if (immediate_quit
)
661 /* Wait for inferior process to do something. Return pid of child,
662 or -1 in case of error; store status through argument pointer STATUS,
663 just as `wait' would. */
666 gdbsim_cntrl_c (int signo
)
672 gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
)
674 static RETSIGTYPE (*prev_sigint
) ();
676 enum sim_stop reason
= sim_running
;
679 printf_filtered ("gdbsim_wait\n");
681 #if defined (HAVE_SIGACTION) && defined (SA_RESTART)
683 struct sigaction sa
, osa
;
684 sa
.sa_handler
= gdbsim_cntrl_c
;
685 sigemptyset (&sa
.sa_mask
);
687 sigaction (SIGINT
, &sa
, &osa
);
688 prev_sigint
= osa
.sa_handler
;
691 prev_sigint
= signal (SIGINT
, gdbsim_cntrl_c
);
693 sim_resume (gdbsim_desc
, resume_step
, resume_siggnal
);
694 signal (SIGINT
, prev_sigint
);
697 sim_stop_reason (gdbsim_desc
, &reason
, &sigrc
);
702 status
->kind
= TARGET_WAITKIND_EXITED
;
703 status
->value
.integer
= sigrc
;
708 case TARGET_SIGNAL_ABRT
:
711 case TARGET_SIGNAL_INT
:
712 case TARGET_SIGNAL_TRAP
:
714 status
->kind
= TARGET_WAITKIND_STOPPED
;
715 status
->value
.sig
= sigrc
;
720 status
->kind
= TARGET_WAITKIND_SIGNALLED
;
721 status
->value
.sig
= sigrc
;
725 /* FIXME: Is this correct? */
729 return inferior_ptid
;
732 /* Get ready to modify the registers array. On machines which store
733 individual registers, this doesn't need to do anything. On machines
734 which store all the registers in one fell swoop, this makes sure
735 that registers contains all the registers from the program being
739 gdbsim_prepare_to_store (struct regcache
*regcache
)
741 /* Do nothing, since we can store individual regs */
744 /* Transfer LEN bytes between GDB address MYADDR and target address
745 MEMADDR. If WRITE is non-zero, transfer them to the target,
746 otherwise transfer them from the target. TARGET is unused.
748 Returns the number of bytes transferred. */
751 gdbsim_xfer_inferior_memory (CORE_ADDR memaddr
, gdb_byte
*myaddr
, int len
,
752 int write
, struct mem_attrib
*attrib
,
753 struct target_ops
*target
)
755 /* If no program is running yet, then ignore the simulator for
756 memory. Pass the request down to the next target, hopefully
758 if (!target_has_execution
)
762 error (_("No program loaded."));
766 /* FIXME: Send to something other than STDOUT? */
767 printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x");
768 gdb_print_host_address (myaddr
, gdb_stdout
);
769 printf_filtered (", memaddr 0x%s, len %d, write %d\n",
770 paddr_nz (memaddr
), len
, write
);
771 if (remote_debug
&& write
)
772 dump_mem (myaddr
, len
);
777 len
= sim_write (gdbsim_desc
, memaddr
, myaddr
, len
);
781 len
= sim_read (gdbsim_desc
, memaddr
, myaddr
, len
);
782 if (remote_debug
&& len
> 0)
783 dump_mem (myaddr
, len
);
789 gdbsim_files_info (struct target_ops
*target
)
791 char *file
= "nothing";
794 file
= bfd_get_filename (exec_bfd
);
797 printf_filtered ("gdbsim_files_info: file \"%s\"\n", file
);
801 printf_filtered ("\tAttached to %s running program %s\n",
802 target_shortname
, file
);
803 sim_info (gdbsim_desc
, 0);
807 /* Clear the simulator's notion of what the break points are. */
810 gdbsim_mourn_inferior (void)
813 printf_filtered ("gdbsim_mourn_inferior:\n");
815 remove_breakpoints ();
816 target_mark_exited (&gdbsim_ops
);
817 generic_mourn_inferior ();
820 /* Pass the command argument through to the simulator verbatim. The
821 simulator must do any command interpretation work. */
824 simulator_command (char *args
, int from_tty
)
826 if (gdbsim_desc
== NULL
)
829 /* PREVIOUSLY: The user may give a command before the simulator
830 is opened. [...] (??? assuming of course one wishes to
831 continue to allow commands to be sent to unopened simulators,
832 which isn't entirely unreasonable). */
834 /* The simulator is a builtin abstraction of a remote target.
835 Consistent with that model, access to the simulator, via sim
836 commands, is restricted to the period when the channel to the
837 simulator is open. */
839 error (_("Not connected to the simulator target"));
842 sim_do_command (gdbsim_desc
, args
);
844 /* Invalidate the register cache, in case the simulator command does
846 registers_changed ();
849 /* Define the target subroutine names */
851 struct target_ops gdbsim_ops
;
854 init_gdbsim_ops (void)
856 gdbsim_ops
.to_shortname
= "sim";
857 gdbsim_ops
.to_longname
= "simulator";
858 gdbsim_ops
.to_doc
= "Use the compiled-in simulator.";
859 gdbsim_ops
.to_open
= gdbsim_open
;
860 gdbsim_ops
.to_close
= gdbsim_close
;
861 gdbsim_ops
.to_detach
= gdbsim_detach
;
862 gdbsim_ops
.to_resume
= gdbsim_resume
;
863 gdbsim_ops
.to_wait
= gdbsim_wait
;
864 gdbsim_ops
.to_fetch_registers
= gdbsim_fetch_register
;
865 gdbsim_ops
.to_store_registers
= gdbsim_store_register
;
866 gdbsim_ops
.to_prepare_to_store
= gdbsim_prepare_to_store
;
867 gdbsim_ops
.deprecated_xfer_memory
= gdbsim_xfer_inferior_memory
;
868 gdbsim_ops
.to_files_info
= gdbsim_files_info
;
869 gdbsim_ops
.to_insert_breakpoint
= memory_insert_breakpoint
;
870 gdbsim_ops
.to_remove_breakpoint
= memory_remove_breakpoint
;
871 gdbsim_ops
.to_kill
= gdbsim_kill
;
872 gdbsim_ops
.to_load
= gdbsim_load
;
873 gdbsim_ops
.to_create_inferior
= gdbsim_create_inferior
;
874 gdbsim_ops
.to_mourn_inferior
= gdbsim_mourn_inferior
;
875 gdbsim_ops
.to_stop
= gdbsim_stop
;
876 gdbsim_ops
.to_stratum
= process_stratum
;
877 gdbsim_ops
.to_has_all_memory
= 1;
878 gdbsim_ops
.to_has_memory
= 1;
879 gdbsim_ops
.to_has_stack
= 1;
880 gdbsim_ops
.to_has_registers
= 1;
881 gdbsim_ops
.to_has_execution
= 1;
882 gdbsim_ops
.to_magic
= OPS_MAGIC
;
884 #ifdef TARGET_REDEFINE_DEFAULT_OPS
885 TARGET_REDEFINE_DEFAULT_OPS (&gdbsim_ops
);
890 _initialize_remote_sim (void)
893 add_target (&gdbsim_ops
);
895 add_com ("sim", class_obscure
, simulator_command
,
896 _("Send a command to the simulator."));