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, 2010 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 *, ...)
76 static void gdbsim_kill (struct target_ops
*);
78 static void gdbsim_load (char *prog
, int fromtty
);
80 static void gdbsim_open (char *args
, int from_tty
);
82 static void gdbsim_close (int quitting
);
84 static void gdbsim_detach (struct target_ops
*ops
, char *args
, int from_tty
);
86 static void gdbsim_prepare_to_store (struct regcache
*regcache
);
88 static void gdbsim_files_info (struct target_ops
*target
);
90 static void gdbsim_mourn_inferior (struct target_ops
*target
);
92 static void gdbsim_stop (ptid_t ptid
);
94 void simulator_command (char *args
, int from_tty
);
98 sim_* are the interface to the simulator (see remote-sim.h).
99 gdbsim_* are stuff which is internal to gdb. */
101 /* Forward data declarations */
102 extern struct target_ops gdbsim_ops
;
104 static int program_loaded
= 0;
106 /* We must keep track of whether the simulator has been opened or not because
107 GDB can call a target's close routine twice, but sim_close doesn't allow
108 this. We also need to record the result of sim_open so we can pass it
109 back to the other sim_foo routines. */
110 static SIM_DESC gdbsim_desc
= 0;
112 /* This is the ptid we use while we're connected to the simulator.
113 Its value is arbitrary, as the simulator target don't have a notion
114 or processes or threads, but we need something non-null to place in
116 static ptid_t remote_sim_ptid
;
119 dump_mem (char *buf
, int len
)
123 if (len
== 8 || len
== 4)
127 memcpy (l
, buf
, len
);
128 printf_filtered ("\t0x%lx", l
[0]);
130 printf_filtered (" 0x%lx", l
[1]);
131 printf_filtered ("\n");
137 printf_filtered ("\t");
138 for (i
= 0; i
< len
; i
++)
139 printf_filtered ("0x%x ", buf
[i
]);
140 printf_filtered ("\n");
145 static host_callback gdb_callback
;
146 static int callbacks_initialized
= 0;
148 /* Initialize gdb_callback. */
151 init_callbacks (void)
153 if (!callbacks_initialized
)
155 gdb_callback
= default_callback
;
156 gdb_callback
.init (&gdb_callback
);
157 gdb_callback
.write_stdout
= gdb_os_write_stdout
;
158 gdb_callback
.flush_stdout
= gdb_os_flush_stdout
;
159 gdb_callback
.write_stderr
= gdb_os_write_stderr
;
160 gdb_callback
.flush_stderr
= gdb_os_flush_stderr
;
161 gdb_callback
.printf_filtered
= gdb_os_printf_filtered
;
162 gdb_callback
.vprintf_filtered
= gdb_os_vprintf_filtered
;
163 gdb_callback
.evprintf_filtered
= gdb_os_evprintf_filtered
;
164 gdb_callback
.error
= gdb_os_error
;
165 gdb_callback
.poll_quit
= gdb_os_poll_quit
;
166 gdb_callback
.magic
= HOST_CALLBACK_MAGIC
;
167 callbacks_initialized
= 1;
171 /* Release callbacks (free resources used by them). */
176 if (callbacks_initialized
)
178 gdb_callback
.shutdown (&gdb_callback
);
179 callbacks_initialized
= 0;
183 /* GDB version of os_write_stdout callback. */
186 gdb_os_write_stdout (host_callback
*p
, const char *buf
, int len
)
191 ui_file_write (gdb_stdtarg
, buf
, len
);
195 /* GDB version of os_flush_stdout callback. */
198 gdb_os_flush_stdout (host_callback
*p
)
200 gdb_flush (gdb_stdtarg
);
203 /* GDB version of os_write_stderr callback. */
206 gdb_os_write_stderr (host_callback
*p
, const char *buf
, int len
)
211 for (i
= 0; i
< len
; i
++)
215 fputs_unfiltered (b
, gdb_stdtargerr
);
220 /* GDB version of os_flush_stderr callback. */
223 gdb_os_flush_stderr (host_callback
*p
)
225 gdb_flush (gdb_stdtargerr
);
228 /* GDB version of printf_filtered callback. */
231 gdb_os_printf_filtered (host_callback
* p
, const char *format
,...)
235 va_start (args
, format
);
236 vfprintf_filtered (gdb_stdout
, format
, args
);
240 /* GDB version of error vprintf_filtered. */
243 gdb_os_vprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
245 vfprintf_filtered (gdb_stdout
, format
, ap
);
248 /* GDB version of error evprintf_filtered. */
251 gdb_os_evprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
253 vfprintf_filtered (gdb_stderr
, format
, ap
);
256 /* GDB version of error callback. */
259 gdb_os_error (host_callback
* p
, const char *format
, ...)
263 va_start (args
, format
);
264 verror (format
, args
);
269 one2one_register_sim_regno (struct gdbarch
*gdbarch
, int regnum
)
271 /* Only makes sense to supply raw registers. */
272 gdb_assert (regnum
>= 0 && regnum
< gdbarch_num_regs (gdbarch
));
277 gdbsim_fetch_register (struct target_ops
*ops
,
278 struct regcache
*regcache
, int regno
)
280 struct gdbarch
*gdbarch
= get_regcache_arch (regcache
);
284 for (regno
= 0; regno
< gdbarch_num_regs (gdbarch
); regno
++)
285 gdbsim_fetch_register (ops
, regcache
, regno
);
289 switch (gdbarch_register_sim_regno (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
];
300 memset (buf
, 0, MAX_REGISTER_SIZE
);
301 regcache_raw_supply (regcache
, regno
, buf
);
307 static int warn_user
= 1;
308 char buf
[MAX_REGISTER_SIZE
];
311 gdb_assert (regno
>= 0 && regno
< gdbarch_num_regs (gdbarch
));
312 memset (buf
, 0, MAX_REGISTER_SIZE
);
313 nr_bytes
= sim_fetch_register (gdbsim_desc
,
314 gdbarch_register_sim_regno
317 register_size (gdbarch
, regno
));
319 && nr_bytes
!= register_size (gdbarch
, regno
) && warn_user
)
321 fprintf_unfiltered (gdb_stderr
,
322 "Size of register %s (%d/%d) incorrect (%d instead of %d))",
323 gdbarch_register_name (gdbarch
, regno
),
325 gdbarch_register_sim_regno
327 nr_bytes
, register_size (gdbarch
, regno
));
330 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
331 indicating that GDB and the SIM have different ideas about
332 which registers are fetchable. */
333 /* Else if (nr_bytes < 0): an old simulator, that doesn't
334 think to return the register size. Just assume all is ok. */
335 regcache_raw_supply (regcache
, regno
, buf
);
338 printf_filtered ("gdbsim_fetch_register: %d", regno
);
339 /* FIXME: We could print something more intelligible. */
340 dump_mem (buf
, register_size (gdbarch
, regno
));
349 gdbsim_store_register (struct target_ops
*ops
,
350 struct regcache
*regcache
, int regno
)
352 struct gdbarch
*gdbarch
= get_regcache_arch (regcache
);
355 for (regno
= 0; regno
< gdbarch_num_regs (gdbarch
); regno
++)
356 gdbsim_store_register (ops
, regcache
, regno
);
359 else if (gdbarch_register_sim_regno (gdbarch
, regno
) >= 0)
361 char tmp
[MAX_REGISTER_SIZE
];
364 regcache_cooked_read (regcache
, regno
, tmp
);
365 nr_bytes
= sim_store_register (gdbsim_desc
,
366 gdbarch_register_sim_regno
368 tmp
, register_size (gdbarch
, regno
));
369 if (nr_bytes
> 0 && nr_bytes
!= register_size (gdbarch
, regno
))
370 internal_error (__FILE__
, __LINE__
,
371 _("Register size different to expected"));
372 /* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
373 indicating that GDB and the SIM have different ideas about
374 which registers are fetchable. */
377 printf_filtered ("gdbsim_store_register: %d", regno
);
378 /* FIXME: We could print something more intelligible. */
379 dump_mem (tmp
, register_size (gdbarch
, regno
));
384 /* Kill the running program. This may involve closing any open files
385 and releasing other resources acquired by the simulated program. */
388 gdbsim_kill (struct target_ops
*ops
)
391 printf_filtered ("gdbsim_kill\n");
393 /* There is no need to `kill' running simulator - the simulator is
394 not running. Mourning it is enough. */
395 target_mourn_inferior ();
398 /* Load an executable file into the target process. This is expected to
399 not only bring new code into the target process, but also to update
400 GDB's symbol tables to match. */
403 gdbsim_load (char *args
, int fromtty
)
409 error_no_arg (_("program to load"));
411 argv
= gdb_buildargv (args
);
412 make_cleanup_freeargv (argv
);
414 prog
= tilde_expand (argv
[0]);
417 error (_("GDB sim does not yet support a load offset."));
420 printf_filtered ("gdbsim_load: prog \"%s\"\n", prog
);
422 /* FIXME: We will print two messages on error.
423 Need error to either not print anything if passed NULL or need
424 another routine that doesn't take any arguments. */
425 if (sim_load (gdbsim_desc
, prog
, NULL
, fromtty
) == SIM_RC_FAIL
)
426 error (_("unable to load program"));
428 /* FIXME: If a load command should reset the targets registers then
429 a call to sim_create_inferior() should go here. */
435 /* Start an inferior process and set inferior_ptid to its pid.
436 EXEC_FILE is the file to run.
437 ARGS is a string containing the arguments to the program.
438 ENV is the environment vector to pass. Errors reported with error().
439 On VxWorks and various standalone systems, we ignore exec_file. */
440 /* This is called not only when we first attach, but also when the
441 user types "run" after having attached. */
444 gdbsim_create_inferior (struct target_ops
*target
, char *exec_file
, char *args
,
445 char **env
, int from_tty
)
448 char *arg_buf
, **argv
;
450 if (exec_file
== 0 || exec_bfd
== 0)
451 warning (_("No executable file specified."));
453 warning (_("No program loaded."));
456 printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
457 (exec_file
? exec_file
: "(NULL)"),
460 if (ptid_equal (inferior_ptid
, remote_sim_ptid
))
461 gdbsim_kill (target
);
462 remove_breakpoints ();
463 init_wait_for_inferior ();
465 if (exec_file
!= NULL
)
467 len
= strlen (exec_file
) + 1 + strlen (args
) + 1 + /*slop */ 10;
468 arg_buf
= (char *) alloca (len
);
470 strcat (arg_buf
, exec_file
);
471 strcat (arg_buf
, " ");
472 strcat (arg_buf
, args
);
473 argv
= gdb_buildargv (arg_buf
);
474 make_cleanup_freeargv (argv
);
478 sim_create_inferior (gdbsim_desc
, exec_bfd
, argv
, env
);
480 inferior_ptid
= remote_sim_ptid
;
481 inferior_appeared (current_inferior (), ptid_get_pid (inferior_ptid
));
482 add_thread_silent (inferior_ptid
);
484 insert_breakpoints (); /* Needed to get correct instruction in cache */
486 clear_proceed_status ();
489 /* The open routine takes the rest of the parameters from the command,
490 and (if successful) pushes a new target onto the stack.
491 Targets should supply this routine, if only to provide an error message. */
492 /* Called when selecting the simulator. EG: (gdb) target sim name. */
495 gdbsim_open (char *args
, int from_tty
)
502 printf_filtered ("gdbsim_open: args \"%s\"\n", args
? args
: "(null)");
504 /* Remove current simulator if one exists. Only do this if the simulator
505 has been opened because sim_close requires it.
506 This is important because the call to push_target below will cause
507 sim_close to be called if the simulator is already open, but push_target
508 is called after sim_open! We can't move the call to push_target before
509 the call to sim_open because sim_open may invoke `error'. */
510 if (gdbsim_desc
!= NULL
)
511 unpush_target (&gdbsim_ops
);
513 len
= (7 + 1 /* gdbsim */
514 + strlen (" -E little")
515 + strlen (" --architecture=xxxxxxxxxx")
516 + (args
? strlen (args
) : 0)
518 arg_buf
= (char *) alloca (len
);
519 strcpy (arg_buf
, "gdbsim"); /* 7 */
520 /* Specify the byte order for the target when it is explicitly
521 specified by the user (not auto detected). */
522 switch (selected_byte_order ())
525 strcat (arg_buf
, " -E big");
527 case BFD_ENDIAN_LITTLE
:
528 strcat (arg_buf
, " -E little");
530 case BFD_ENDIAN_UNKNOWN
:
533 /* Specify the architecture of the target when it has been
534 explicitly specified */
535 if (selected_architecture_name () != NULL
)
537 strcat (arg_buf
, " --architecture=");
538 strcat (arg_buf
, selected_architecture_name ());
540 /* finally, any explicit args */
543 strcat (arg_buf
, " "); /* 1 */
544 strcat (arg_buf
, args
);
546 argv
= gdb_buildargv (arg_buf
);
547 make_cleanup_freeargv (argv
);
550 gdbsim_desc
= sim_open (SIM_OPEN_DEBUG
, &gdb_callback
, exec_bfd
, argv
);
552 if (gdbsim_desc
== 0)
553 error (_("unable to create simulator instance"));
555 push_target (&gdbsim_ops
);
556 printf_filtered ("Connected to the simulator.\n");
558 /* There's nothing running after "target sim" or "load"; not until
560 inferior_ptid
= null_ptid
;
563 /* Does whatever cleanup is required for a target that we are no longer
564 going to be calling. Argument says whether we are quitting gdb and
565 should not get hung in case of errors, or whether we want a clean
566 termination even if it takes a while. This routine is automatically
567 always called just before a routine is popped off the target stack.
568 Closing file descriptors and freeing memory are typical things it should
570 /* Close out all files and local state before this target loses control. */
573 gdbsim_close (int quitting
)
576 printf_filtered ("gdbsim_close: quitting %d\n", quitting
);
580 if (gdbsim_desc
!= NULL
)
582 sim_close (gdbsim_desc
, quitting
);
587 generic_mourn_inferior ();
588 delete_thread_silent (remote_sim_ptid
);
589 delete_inferior_silent (ptid_get_pid (remote_sim_ptid
));
592 /* Takes a program previously attached to and detaches it.
593 The program may resume execution (some targets do, some don't) and will
594 no longer stop on signals, etc. We better not have left any breakpoints
595 in the program or it'll die when it hits one. ARGS is arguments
596 typed by the user (e.g. a signal to send the process). FROM_TTY
597 says whether to be verbose or not. */
598 /* Terminate the open connection to the remote debugger.
599 Use this when you want to detach and do something else with your gdb. */
602 gdbsim_detach (struct target_ops
*ops
, char *args
, int from_tty
)
605 printf_filtered ("gdbsim_detach: args \"%s\"\n", args
);
607 pop_target (); /* calls gdbsim_close to do the real work */
609 printf_filtered ("Ending simulator %s debugging\n", target_shortname
);
612 /* Resume execution of the target process. STEP says whether to single-step
613 or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
614 to the target, or zero for no signal. */
616 static enum target_signal resume_siggnal
;
617 static int resume_step
;
620 gdbsim_resume (struct target_ops
*ops
,
621 ptid_t ptid
, int step
, enum target_signal siggnal
)
623 if (!ptid_equal (inferior_ptid
, remote_sim_ptid
))
624 error (_("The program is not being run."));
627 printf_filtered ("gdbsim_resume: step %d, signal %d\n", step
, siggnal
);
629 resume_siggnal
= siggnal
;
633 /* Notify the simulator of an asynchronous request to stop.
635 The simulator shall ensure that the stop request is eventually
636 delivered to the simulator. If the call is made while the
637 simulator is not running then the stop request is processed when
638 the simulator is next resumed.
640 For simulators that do not support this operation, just abort */
643 gdbsim_stop (ptid_t ptid
)
645 if (!sim_stop (gdbsim_desc
))
651 /* GDB version of os_poll_quit callback.
652 Taken from gdb/util.c - should be in a library. */
655 gdb_os_poll_quit (host_callback
*p
)
657 if (deprecated_ui_loop_hook
!= NULL
)
658 deprecated_ui_loop_hook (0);
660 if (quit_flag
) /* gdb's idea of quit */
662 quit_flag
= 0; /* we've stolen it */
665 else if (immediate_quit
)
672 /* Wait for inferior process to do something. Return pid of child,
673 or -1 in case of error; store status through argument pointer STATUS,
674 just as `wait' would. */
677 gdbsim_cntrl_c (int signo
)
679 gdbsim_stop (remote_sim_ptid
);
683 gdbsim_wait (struct target_ops
*ops
,
684 ptid_t ptid
, struct target_waitstatus
*status
, int options
)
686 static RETSIGTYPE (*prev_sigint
) ();
688 enum sim_stop reason
= sim_running
;
691 printf_filtered ("gdbsim_wait\n");
693 #if defined (HAVE_SIGACTION) && defined (SA_RESTART)
695 struct sigaction sa
, osa
;
696 sa
.sa_handler
= gdbsim_cntrl_c
;
697 sigemptyset (&sa
.sa_mask
);
699 sigaction (SIGINT
, &sa
, &osa
);
700 prev_sigint
= osa
.sa_handler
;
703 prev_sigint
= signal (SIGINT
, gdbsim_cntrl_c
);
705 sim_resume (gdbsim_desc
, resume_step
, resume_siggnal
);
706 signal (SIGINT
, prev_sigint
);
709 sim_stop_reason (gdbsim_desc
, &reason
, &sigrc
);
714 status
->kind
= TARGET_WAITKIND_EXITED
;
715 status
->value
.integer
= sigrc
;
720 case TARGET_SIGNAL_ABRT
:
723 case TARGET_SIGNAL_INT
:
724 case TARGET_SIGNAL_TRAP
:
726 status
->kind
= TARGET_WAITKIND_STOPPED
;
727 status
->value
.sig
= sigrc
;
732 status
->kind
= TARGET_WAITKIND_SIGNALLED
;
733 status
->value
.sig
= sigrc
;
737 /* FIXME: Is this correct? */
741 return inferior_ptid
;
744 /* Get ready to modify the registers array. On machines which store
745 individual registers, this doesn't need to do anything. On machines
746 which store all the registers in one fell swoop, this makes sure
747 that registers contains all the registers from the program being
751 gdbsim_prepare_to_store (struct regcache
*regcache
)
753 /* Do nothing, since we can store individual regs */
756 /* Transfer LEN bytes between GDB address MYADDR and target address
757 MEMADDR. If WRITE is non-zero, transfer them to the target,
758 otherwise transfer them from the target. TARGET is unused.
760 Returns the number of bytes transferred. */
763 gdbsim_xfer_inferior_memory (CORE_ADDR memaddr
, gdb_byte
*myaddr
, int len
,
764 int write
, struct mem_attrib
*attrib
,
765 struct target_ops
*target
)
767 /* If no program is running yet, then ignore the simulator for
768 memory. Pass the request down to the next target, hopefully
770 if (!target_has_execution
)
774 error (_("No program loaded."));
778 /* FIXME: Send to something other than STDOUT? */
779 printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x");
780 gdb_print_host_address (myaddr
, gdb_stdout
);
781 printf_filtered (", memaddr %s, len %d, write %d\n",
782 paddress (target_gdbarch
, memaddr
), len
, write
);
783 if (remote_debug
&& write
)
784 dump_mem (myaddr
, len
);
789 len
= sim_write (gdbsim_desc
, memaddr
, myaddr
, len
);
793 len
= sim_read (gdbsim_desc
, memaddr
, myaddr
, len
);
794 if (remote_debug
&& len
> 0)
795 dump_mem (myaddr
, len
);
801 gdbsim_files_info (struct target_ops
*target
)
803 const char *file
= "nothing";
806 file
= bfd_get_filename (exec_bfd
);
809 printf_filtered ("gdbsim_files_info: file \"%s\"\n", file
);
813 printf_filtered ("\tAttached to %s running program %s\n",
814 target_shortname
, file
);
815 sim_info (gdbsim_desc
, 0);
819 /* Clear the simulator's notion of what the break points are. */
822 gdbsim_mourn_inferior (struct target_ops
*target
)
825 printf_filtered ("gdbsim_mourn_inferior:\n");
827 remove_breakpoints ();
828 generic_mourn_inferior ();
829 delete_thread_silent (remote_sim_ptid
);
832 /* Pass the command argument through to the simulator verbatim. The
833 simulator must do any command interpretation work. */
836 simulator_command (char *args
, int from_tty
)
838 if (gdbsim_desc
== NULL
)
841 /* PREVIOUSLY: The user may give a command before the simulator
842 is opened. [...] (??? assuming of course one wishes to
843 continue to allow commands to be sent to unopened simulators,
844 which isn't entirely unreasonable). */
846 /* The simulator is a builtin abstraction of a remote target.
847 Consistent with that model, access to the simulator, via sim
848 commands, is restricted to the period when the channel to the
849 simulator is open. */
851 error (_("Not connected to the simulator target"));
854 sim_do_command (gdbsim_desc
, args
);
856 /* Invalidate the register cache, in case the simulator command does
858 registers_changed ();
861 /* Check to see if a thread is still alive. */
864 gdbsim_thread_alive (struct target_ops
*ops
, ptid_t ptid
)
866 if (ptid_equal (ptid
, remote_sim_ptid
))
867 /* The simulators' task is always alive. */
873 /* Convert a thread ID to a string. Returns the string in a static
877 gdbsim_pid_to_str (struct target_ops
*ops
, ptid_t ptid
)
881 if (ptid_equal (remote_sim_ptid
, ptid
))
883 xsnprintf (buf
, sizeof buf
, "Thread <main>");
887 return normal_pid_to_str (ptid
);
890 /* Define the target subroutine names */
892 struct target_ops gdbsim_ops
;
895 init_gdbsim_ops (void)
897 gdbsim_ops
.to_shortname
= "sim";
898 gdbsim_ops
.to_longname
= "simulator";
899 gdbsim_ops
.to_doc
= "Use the compiled-in simulator.";
900 gdbsim_ops
.to_open
= gdbsim_open
;
901 gdbsim_ops
.to_close
= gdbsim_close
;
902 gdbsim_ops
.to_detach
= gdbsim_detach
;
903 gdbsim_ops
.to_resume
= gdbsim_resume
;
904 gdbsim_ops
.to_wait
= gdbsim_wait
;
905 gdbsim_ops
.to_fetch_registers
= gdbsim_fetch_register
;
906 gdbsim_ops
.to_store_registers
= gdbsim_store_register
;
907 gdbsim_ops
.to_prepare_to_store
= gdbsim_prepare_to_store
;
908 gdbsim_ops
.deprecated_xfer_memory
= gdbsim_xfer_inferior_memory
;
909 gdbsim_ops
.to_files_info
= gdbsim_files_info
;
910 gdbsim_ops
.to_insert_breakpoint
= memory_insert_breakpoint
;
911 gdbsim_ops
.to_remove_breakpoint
= memory_remove_breakpoint
;
912 gdbsim_ops
.to_kill
= gdbsim_kill
;
913 gdbsim_ops
.to_load
= gdbsim_load
;
914 gdbsim_ops
.to_create_inferior
= gdbsim_create_inferior
;
915 gdbsim_ops
.to_mourn_inferior
= gdbsim_mourn_inferior
;
916 gdbsim_ops
.to_stop
= gdbsim_stop
;
917 gdbsim_ops
.to_thread_alive
= gdbsim_thread_alive
;
918 gdbsim_ops
.to_pid_to_str
= gdbsim_pid_to_str
;
919 gdbsim_ops
.to_stratum
= process_stratum
;
920 gdbsim_ops
.to_has_all_memory
= default_child_has_all_memory
;
921 gdbsim_ops
.to_has_memory
= default_child_has_memory
;
922 gdbsim_ops
.to_has_stack
= default_child_has_stack
;
923 gdbsim_ops
.to_has_registers
= default_child_has_registers
;
924 gdbsim_ops
.to_has_execution
= default_child_has_execution
;
925 gdbsim_ops
.to_magic
= OPS_MAGIC
;
929 _initialize_remote_sim (void)
932 add_target (&gdbsim_ops
);
934 add_com ("sim", class_obscure
, simulator_command
,
935 _("Send a command to the simulator."));
937 /* Yes, 42000 is arbitrary. The only sense out of it, is that it
939 remote_sim_ptid
= ptid_build (42000, 0, 42000);