1 /* Generic remote debugging interface for simulators.
3 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
4 2002 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 2 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, write to the Free Software
23 Foundation, Inc., 59 Temple Place - Suite 330,
24 Boston, MA 02111-1307, USA. */
29 #include "gdb_string.h"
39 #include "remote-sim.h"
40 #include "remote-utils.h"
46 extern void _initialize_remote_sim (void);
48 extern int (*ui_loop_hook
) (int signo
);
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 *, ...);
75 static void gdbsim_fetch_register (int regno
);
77 static void gdbsim_store_register (int regno
);
79 static void gdbsim_kill (void);
81 static void gdbsim_load (char *prog
, int fromtty
);
83 static void gdbsim_create_inferior (char *exec_file
, char *args
, char **env
);
85 static void gdbsim_open (char *args
, int from_tty
);
87 static void gdbsim_close (int quitting
);
89 static void gdbsim_detach (char *args
, int from_tty
);
91 static void gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
);
93 static ptid_t
gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
);
95 static void gdbsim_prepare_to_store (void);
97 static int gdbsim_xfer_inferior_memory (CORE_ADDR memaddr
, char *myaddr
,
99 struct mem_attrib
*attrib
,
100 struct target_ops
*target
);
102 static void gdbsim_files_info (struct target_ops
*target
);
104 static void gdbsim_mourn_inferior (void);
106 static void gdbsim_stop (void);
108 void simulator_command (char *args
, int from_tty
);
110 /* Naming convention:
112 sim_* are the interface to the simulator (see remote-sim.h).
113 gdbsim_* are stuff which is internal to gdb. */
115 /* Forward data declarations */
116 extern struct target_ops gdbsim_ops
;
118 static int program_loaded
= 0;
120 /* We must keep track of whether the simulator has been opened or not because
121 GDB can call a target's close routine twice, but sim_close doesn't allow
122 this. We also need to record the result of sim_open so we can pass it
123 back to the other sim_foo routines. */
124 static SIM_DESC gdbsim_desc
= 0;
127 dump_mem (char *buf
, int len
)
131 if (len
== 8 || len
== 4)
134 memcpy (l
, buf
, len
);
135 printf_filtered ("\t0x%lx", l
[0]);
137 printf_filtered (" 0x%lx", l
[1]);
138 printf_filtered ("\n");
143 printf_filtered ("\t");
144 for (i
= 0; i
< len
; i
++)
145 printf_filtered ("0x%x ", buf
[i
]);
146 printf_filtered ("\n");
151 static host_callback gdb_callback
;
152 static int callbacks_initialized
= 0;
154 /* Initialize gdb_callback. */
157 init_callbacks (void)
159 if (!callbacks_initialized
)
161 gdb_callback
= default_callback
;
162 gdb_callback
.init (&gdb_callback
);
163 gdb_callback
.write_stdout
= gdb_os_write_stdout
;
164 gdb_callback
.flush_stdout
= gdb_os_flush_stdout
;
165 gdb_callback
.write_stderr
= gdb_os_write_stderr
;
166 gdb_callback
.flush_stderr
= gdb_os_flush_stderr
;
167 gdb_callback
.printf_filtered
= gdb_os_printf_filtered
;
168 gdb_callback
.vprintf_filtered
= gdb_os_vprintf_filtered
;
169 gdb_callback
.evprintf_filtered
= gdb_os_evprintf_filtered
;
170 gdb_callback
.error
= gdb_os_error
;
171 gdb_callback
.poll_quit
= gdb_os_poll_quit
;
172 gdb_callback
.magic
= HOST_CALLBACK_MAGIC
;
173 callbacks_initialized
= 1;
177 /* Release callbacks (free resources used by them). */
182 if (callbacks_initialized
)
184 gdb_callback
.shutdown (&gdb_callback
);
185 callbacks_initialized
= 0;
189 /* GDB version of os_write_stdout callback. */
192 gdb_os_write_stdout (host_callback
*p
, const char *buf
, int len
)
197 ui_file_write (gdb_stdtarg
, buf
, len
);
201 /* GDB version of os_flush_stdout callback. */
204 gdb_os_flush_stdout (host_callback
*p
)
206 gdb_flush (gdb_stdtarg
);
209 /* GDB version of os_write_stderr callback. */
212 gdb_os_write_stderr (host_callback
*p
, const char *buf
, int len
)
217 for (i
= 0; i
< len
; i
++)
221 fputs_unfiltered (b
, gdb_stdtarg
);
226 /* GDB version of os_flush_stderr callback. */
229 gdb_os_flush_stderr (host_callback
*p
)
231 gdb_flush (gdb_stderr
);
234 /* GDB version of printf_filtered callback. */
237 gdb_os_printf_filtered (host_callback
* p
, const char *format
,...)
240 va_start (args
, format
);
242 vfprintf_filtered (gdb_stdout
, format
, args
);
247 /* GDB version of error vprintf_filtered. */
250 gdb_os_vprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
252 vfprintf_filtered (gdb_stdout
, format
, ap
);
255 /* GDB version of error evprintf_filtered. */
258 gdb_os_evprintf_filtered (host_callback
* p
, const char *format
, va_list ap
)
260 vfprintf_filtered (gdb_stderr
, format
, ap
);
263 /* GDB version of error callback. */
266 gdb_os_error (host_callback
* p
, const char *format
,...)
273 va_start (args
, format
);
274 verror (format
, args
);
280 gdbsim_fetch_register (int regno
)
282 static int warn_user
= 1;
285 for (regno
= 0; regno
< NUM_REGS
; regno
++)
286 gdbsim_fetch_register (regno
);
288 else if (REGISTER_NAME (regno
) != NULL
289 && *REGISTER_NAME (regno
) != '\0')
291 char buf
[MAX_REGISTER_RAW_SIZE
];
293 if (REGISTER_SIM_REGNO (regno
) >= 0)
294 nr_bytes
= sim_fetch_register (gdbsim_desc
,
295 REGISTER_SIM_REGNO (regno
),
296 buf
, REGISTER_RAW_SIZE (regno
));
300 /* register not applicable, supply zero's */
301 memset (buf
, 0, MAX_REGISTER_RAW_SIZE
);
302 else if (nr_bytes
> 0 && nr_bytes
!= REGISTER_RAW_SIZE (regno
)
305 fprintf_unfiltered (gdb_stderr
,
306 "Size of register %s (%d/%d) incorrect (%d instead of %d))",
307 REGISTER_NAME (regno
),
308 regno
, REGISTER_SIM_REGNO (regno
),
309 nr_bytes
, REGISTER_RAW_SIZE (regno
));
312 supply_register (regno
, buf
);
315 printf_filtered ("gdbsim_fetch_register: %d", regno
);
316 /* FIXME: We could print something more intelligible. */
317 dump_mem (buf
, REGISTER_RAW_SIZE (regno
));
324 gdbsim_store_register (int regno
)
328 for (regno
= 0; regno
< NUM_REGS
; regno
++)
329 gdbsim_store_register (regno
);
331 else if (REGISTER_NAME (regno
) != NULL
332 && *REGISTER_NAME (regno
) != '\0'
333 && REGISTER_SIM_REGNO (regno
) >= 0)
335 char tmp
[MAX_REGISTER_RAW_SIZE
];
337 read_register_gen (regno
, tmp
);
338 nr_bytes
= sim_store_register (gdbsim_desc
,
339 REGISTER_SIM_REGNO (regno
),
340 tmp
, REGISTER_RAW_SIZE (regno
));
341 if (nr_bytes
> 0 && nr_bytes
!= REGISTER_RAW_SIZE (regno
))
342 internal_error (__FILE__
, __LINE__
,
343 "Register size different to expected");
346 printf_filtered ("gdbsim_store_register: %d", regno
);
347 /* FIXME: We could print something more intelligible. */
348 dump_mem (tmp
, REGISTER_RAW_SIZE (regno
));
353 /* Kill the running program. This may involve closing any open files
354 and releasing other resources acquired by the simulated program. */
360 printf_filtered ("gdbsim_kill\n");
362 /* There is no need to `kill' running simulator - the simulator is
364 inferior_ptid
= null_ptid
;
367 /* Load an executable file into the target process. This is expected to
368 not only bring new code into the target process, but also to update
369 GDB's symbol tables to match. */
372 gdbsim_load (char *prog
, int fromtty
)
375 printf_filtered ("gdbsim_load: prog \"%s\"\n", prog
);
377 inferior_ptid
= null_ptid
;
379 /* FIXME: We will print two messages on error.
380 Need error to either not print anything if passed NULL or need
381 another routine that doesn't take any arguments. */
382 if (sim_load (gdbsim_desc
, prog
, NULL
, fromtty
) == SIM_RC_FAIL
)
383 error ("unable to load program");
385 /* FIXME: If a load command should reset the targets registers then
386 a call to sim_create_inferior() should go here. */
392 /* Start an inferior process and set inferior_ptid to its pid.
393 EXEC_FILE is the file to run.
394 ARGS is a string containing the arguments to the program.
395 ENV is the environment vector to pass. Errors reported with error().
396 On VxWorks and various standalone systems, we ignore exec_file. */
397 /* This is called not only when we first attach, but also when the
398 user types "run" after having attached. */
401 gdbsim_create_inferior (char *exec_file
, char *args
, char **env
)
404 char *arg_buf
, **argv
;
406 if (exec_file
== 0 || exec_bfd
== 0)
407 warning ("No executable file specified.");
409 warning ("No program loaded.");
412 printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
413 (exec_file
? exec_file
: "(NULL)"),
417 remove_breakpoints ();
418 init_wait_for_inferior ();
420 if (exec_file
!= NULL
)
422 len
= strlen (exec_file
) + 1 + strlen (args
) + 1 + /*slop */ 10;
423 arg_buf
= (char *) alloca (len
);
425 strcat (arg_buf
, exec_file
);
426 strcat (arg_buf
, " ");
427 strcat (arg_buf
, args
);
428 argv
= buildargv (arg_buf
);
429 make_cleanup_freeargv (argv
);
433 sim_create_inferior (gdbsim_desc
, exec_bfd
, argv
, env
);
435 inferior_ptid
= pid_to_ptid (42);
436 insert_breakpoints (); /* Needed to get correct instruction in cache */
438 clear_proceed_status ();
440 /* NB: Entry point already set by sim_create_inferior. */
441 proceed ((CORE_ADDR
) -1, TARGET_SIGNAL_DEFAULT
, 0);
444 /* The open routine takes the rest of the parameters from the command,
445 and (if successful) pushes a new target onto the stack.
446 Targets should supply this routine, if only to provide an error message. */
447 /* Called when selecting the simulator. EG: (gdb) target sim name. */
450 gdbsim_open (char *args
, int from_tty
)
457 printf_filtered ("gdbsim_open: args \"%s\"\n", args
? args
: "(null)");
459 /* Remove current simulator if one exists. Only do this if the simulator
460 has been opened because sim_close requires it.
461 This is important because the call to push_target below will cause
462 sim_close to be called if the simulator is already open, but push_target
463 is called after sim_open! We can't move the call to push_target before
464 the call to sim_open because sim_open may invoke `error'. */
465 if (gdbsim_desc
!= NULL
)
466 unpush_target (&gdbsim_ops
);
468 len
= (7 + 1 /* gdbsim */
469 + strlen (" -E little")
470 + strlen (" --architecture=xxxxxxxxxx")
471 + (args
? strlen (args
) : 0)
473 arg_buf
= (char *) alloca (len
);
474 strcpy (arg_buf
, "gdbsim"); /* 7 */
475 /* Specify the byte order for the target when it is both selectable
476 and explicitly specified by the user (not auto detected). */
477 if (TARGET_BYTE_ORDER_SELECTABLE_P
478 && !TARGET_BYTE_ORDER_AUTO
)
480 switch (TARGET_BYTE_ORDER
)
483 strcat (arg_buf
, " -E big");
485 case BFD_ENDIAN_LITTLE
:
486 strcat (arg_buf
, " -E little");
489 internal_error (__FILE__
, __LINE__
,
490 "Value of TARGET_BYTE_ORDER unknown");
493 /* Specify the architecture of the target when it has been
494 explicitly specified */
495 if (!TARGET_ARCHITECTURE_AUTO
)
497 strcat (arg_buf
, " --architecture=");
498 strcat (arg_buf
, TARGET_ARCHITECTURE
->printable_name
);
500 /* finally, any explicit args */
503 strcat (arg_buf
, " "); /* 1 */
504 strcat (arg_buf
, args
);
506 argv
= buildargv (arg_buf
);
508 error ("Insufficient memory available to allocate simulator arg list.");
509 make_cleanup_freeargv (argv
);
512 gdbsim_desc
= sim_open (SIM_OPEN_DEBUG
, &gdb_callback
, exec_bfd
, argv
);
514 if (gdbsim_desc
== 0)
515 error ("unable to create simulator instance");
517 push_target (&gdbsim_ops
);
518 target_fetch_registers (-1);
519 printf_filtered ("Connected to the simulator.\n");
522 /* Does whatever cleanup is required for a target that we are no longer
523 going to be calling. Argument says whether we are quitting gdb and
524 should not get hung in case of errors, or whether we want a clean
525 termination even if it takes a while. This routine is automatically
526 always called just before a routine is popped off the target stack.
527 Closing file descriptors and freeing memory are typical things it should
529 /* Close out all files and local state before this target loses control. */
532 gdbsim_close (int quitting
)
535 printf_filtered ("gdbsim_close: quitting %d\n", quitting
);
539 if (gdbsim_desc
!= NULL
)
541 sim_close (gdbsim_desc
, quitting
);
546 generic_mourn_inferior ();
549 /* Takes a program previously attached to and detaches it.
550 The program may resume execution (some targets do, some don't) and will
551 no longer stop on signals, etc. We better not have left any breakpoints
552 in the program or it'll die when it hits one. ARGS is arguments
553 typed by the user (e.g. a signal to send the process). FROM_TTY
554 says whether to be verbose or not. */
555 /* Terminate the open connection to the remote debugger.
556 Use this when you want to detach and do something else with your gdb. */
559 gdbsim_detach (char *args
, int from_tty
)
562 printf_filtered ("gdbsim_detach: args \"%s\"\n", args
);
564 pop_target (); /* calls gdbsim_close to do the real work */
566 printf_filtered ("Ending simulator %s debugging\n", target_shortname
);
569 /* Resume execution of the target process. STEP says whether to single-step
570 or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
571 to the target, or zero for no signal. */
573 static enum target_signal resume_siggnal
;
574 static int resume_step
;
577 gdbsim_resume (ptid_t ptid
, int step
, enum target_signal siggnal
)
579 if (PIDGET (inferior_ptid
) != 42)
580 error ("The program is not being run.");
583 printf_filtered ("gdbsim_resume: step %d, signal %d\n", step
, siggnal
);
585 resume_siggnal
= siggnal
;
589 /* Notify the simulator of an asynchronous request to stop.
591 The simulator shall ensure that the stop request is eventually
592 delivered to the simulator. If the call is made while the
593 simulator is not running then the stop request is processed when
594 the simulator is next resumed.
596 For simulators that do not support this operation, just abort */
601 if (!sim_stop (gdbsim_desc
))
607 /* GDB version of os_poll_quit callback.
608 Taken from gdb/util.c - should be in a library */
611 gdb_os_poll_quit (host_callback
*p
)
613 if (ui_loop_hook
!= NULL
)
616 if (quit_flag
) /* gdb's idea of quit */
618 quit_flag
= 0; /* we've stolen it */
621 else if (immediate_quit
)
628 /* Wait for inferior process to do something. Return pid of child,
629 or -1 in case of error; store status through argument pointer STATUS,
630 just as `wait' would. */
633 gdbsim_cntrl_c (int signo
)
639 gdbsim_wait (ptid_t ptid
, struct target_waitstatus
*status
)
641 static RETSIGTYPE (*prev_sigint
) ();
643 enum sim_stop reason
= sim_running
;
646 printf_filtered ("gdbsim_wait\n");
648 #if defined (HAVE_SIGACTION) && defined (SA_RESTART)
650 struct sigaction sa
, osa
;
651 sa
.sa_handler
= gdbsim_cntrl_c
;
652 sigemptyset (&sa
.sa_mask
);
654 sigaction (SIGINT
, &sa
, &osa
);
655 prev_sigint
= osa
.sa_handler
;
658 prev_sigint
= signal (SIGINT
, gdbsim_cntrl_c
);
660 sim_resume (gdbsim_desc
, resume_step
,
661 target_signal_to_host (resume_siggnal
));
662 signal (SIGINT
, prev_sigint
);
665 sim_stop_reason (gdbsim_desc
, &reason
, &sigrc
);
670 status
->kind
= TARGET_WAITKIND_EXITED
;
671 status
->value
.integer
= sigrc
;
682 status
->kind
= TARGET_WAITKIND_STOPPED
;
683 /* The signal in sigrc is a host signal. That probably
685 status
->value
.sig
= target_signal_from_host (sigrc
);
690 status
->kind
= TARGET_WAITKIND_SIGNALLED
;
691 /* The signal in sigrc is a host signal. That probably
693 status
->value
.sig
= target_signal_from_host (sigrc
);
697 /* FIXME: Is this correct? */
701 return inferior_ptid
;
704 /* Get ready to modify the registers array. On machines which store
705 individual registers, this doesn't need to do anything. On machines
706 which store all the registers in one fell swoop, this makes sure
707 that registers contains all the registers from the program being
711 gdbsim_prepare_to_store (void)
713 /* Do nothing, since we can store individual regs */
716 /* Transfer LEN bytes between GDB address MYADDR and target address
717 MEMADDR. If WRITE is non-zero, transfer them to the target,
718 otherwise transfer them from the target. TARGET is unused.
720 Returns the number of bytes transferred. */
723 gdbsim_xfer_inferior_memory (CORE_ADDR memaddr
, char *myaddr
, int len
,
724 int write
, struct mem_attrib
*attrib
,
725 struct target_ops
*target
)
728 error ("No program loaded.");
732 /* FIXME: Send to something other than STDOUT? */
733 printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x");
734 gdb_print_host_address (myaddr
, gdb_stdout
);
735 printf_filtered (", memaddr 0x%s, len %d, write %d\n",
736 paddr_nz (memaddr
), len
, write
);
737 if (sr_get_debug () && write
)
738 dump_mem (myaddr
, len
);
743 len
= sim_write (gdbsim_desc
, memaddr
, myaddr
, len
);
747 len
= sim_read (gdbsim_desc
, memaddr
, myaddr
, len
);
748 if (sr_get_debug () && len
> 0)
749 dump_mem (myaddr
, len
);
755 gdbsim_files_info (struct target_ops
*target
)
757 char *file
= "nothing";
760 file
= bfd_get_filename (exec_bfd
);
763 printf_filtered ("gdbsim_files_info: file \"%s\"\n", file
);
767 printf_filtered ("\tAttached to %s running program %s\n",
768 target_shortname
, file
);
769 sim_info (gdbsim_desc
, 0);
773 /* Clear the simulator's notion of what the break points are. */
776 gdbsim_mourn_inferior (void)
779 printf_filtered ("gdbsim_mourn_inferior:\n");
781 remove_breakpoints ();
782 generic_mourn_inferior ();
786 gdbsim_insert_breakpoint (CORE_ADDR addr
, char *contents_cache
)
788 #ifdef SIM_HAS_BREAKPOINTS
791 retcode
= sim_set_breakpoint (gdbsim_desc
, addr
);
797 case SIM_RC_INSUFFICIENT_RESOURCES
:
803 return memory_insert_breakpoint (addr
, contents_cache
);
808 gdbsim_remove_breakpoint (CORE_ADDR addr
, char *contents_cache
)
810 #ifdef SIM_HAS_BREAKPOINTS
813 retcode
= sim_clear_breakpoint (gdbsim_desc
, addr
);
818 case SIM_RC_UNKNOWN_BREAKPOINT
:
820 case SIM_RC_INSUFFICIENT_RESOURCES
:
826 return memory_remove_breakpoint (addr
, contents_cache
);
830 /* Pass the command argument through to the simulator verbatim. The
831 simulator must do any command interpretation work. */
834 simulator_command (char *args
, int from_tty
)
836 if (gdbsim_desc
== NULL
)
839 /* PREVIOUSLY: The user may give a command before the simulator
840 is opened. [...] (??? assuming of course one wishes to
841 continue to allow commands to be sent to unopened simulators,
842 which isn't entirely unreasonable). */
844 /* The simulator is a builtin abstraction of a remote target.
845 Consistent with that model, access to the simulator, via sim
846 commands, is restricted to the period when the channel to the
847 simulator is open. */
849 error ("Not connected to the simulator target");
852 sim_do_command (gdbsim_desc
, args
);
854 /* Invalidate the register cache, in case the simulator command does
856 registers_changed ();
859 /* Define the target subroutine names */
861 struct target_ops gdbsim_ops
;
864 init_gdbsim_ops (void)
866 gdbsim_ops
.to_shortname
= "sim";
867 gdbsim_ops
.to_longname
= "simulator";
868 gdbsim_ops
.to_doc
= "Use the compiled-in simulator.";
869 gdbsim_ops
.to_open
= gdbsim_open
;
870 gdbsim_ops
.to_close
= gdbsim_close
;
871 gdbsim_ops
.to_attach
= NULL
;
872 gdbsim_ops
.to_post_attach
= NULL
;
873 gdbsim_ops
.to_require_attach
= NULL
;
874 gdbsim_ops
.to_detach
= gdbsim_detach
;
875 gdbsim_ops
.to_require_detach
= NULL
;
876 gdbsim_ops
.to_resume
= gdbsim_resume
;
877 gdbsim_ops
.to_wait
= gdbsim_wait
;
878 gdbsim_ops
.to_post_wait
= NULL
;
879 gdbsim_ops
.to_fetch_registers
= gdbsim_fetch_register
;
880 gdbsim_ops
.to_store_registers
= gdbsim_store_register
;
881 gdbsim_ops
.to_prepare_to_store
= gdbsim_prepare_to_store
;
882 gdbsim_ops
.to_xfer_memory
= gdbsim_xfer_inferior_memory
;
883 gdbsim_ops
.to_files_info
= gdbsim_files_info
;
884 gdbsim_ops
.to_insert_breakpoint
= gdbsim_insert_breakpoint
;
885 gdbsim_ops
.to_remove_breakpoint
= gdbsim_remove_breakpoint
;
886 gdbsim_ops
.to_terminal_init
= NULL
;
887 gdbsim_ops
.to_terminal_inferior
= NULL
;
888 gdbsim_ops
.to_terminal_ours_for_output
= NULL
;
889 gdbsim_ops
.to_terminal_ours
= NULL
;
890 gdbsim_ops
.to_terminal_info
= NULL
;
891 gdbsim_ops
.to_kill
= gdbsim_kill
;
892 gdbsim_ops
.to_load
= gdbsim_load
;
893 gdbsim_ops
.to_lookup_symbol
= NULL
;
894 gdbsim_ops
.to_create_inferior
= gdbsim_create_inferior
;
895 gdbsim_ops
.to_post_startup_inferior
= NULL
;
896 gdbsim_ops
.to_acknowledge_created_inferior
= NULL
;
897 gdbsim_ops
.to_clone_and_follow_inferior
= NULL
;
898 gdbsim_ops
.to_post_follow_inferior_by_clone
= NULL
;
899 gdbsim_ops
.to_insert_fork_catchpoint
= NULL
;
900 gdbsim_ops
.to_remove_fork_catchpoint
= NULL
;
901 gdbsim_ops
.to_insert_vfork_catchpoint
= NULL
;
902 gdbsim_ops
.to_remove_vfork_catchpoint
= NULL
;
903 gdbsim_ops
.to_has_forked
= NULL
;
904 gdbsim_ops
.to_has_vforked
= NULL
;
905 gdbsim_ops
.to_can_follow_vfork_prior_to_exec
= NULL
;
906 gdbsim_ops
.to_post_follow_vfork
= NULL
;
907 gdbsim_ops
.to_insert_exec_catchpoint
= NULL
;
908 gdbsim_ops
.to_remove_exec_catchpoint
= NULL
;
909 gdbsim_ops
.to_has_execd
= NULL
;
910 gdbsim_ops
.to_reported_exec_events_per_exec_call
= NULL
;
911 gdbsim_ops
.to_has_exited
= NULL
;
912 gdbsim_ops
.to_mourn_inferior
= gdbsim_mourn_inferior
;
913 gdbsim_ops
.to_can_run
= 0;
914 gdbsim_ops
.to_notice_signals
= 0;
915 gdbsim_ops
.to_thread_alive
= 0;
916 gdbsim_ops
.to_stop
= gdbsim_stop
;
917 gdbsim_ops
.to_pid_to_exec_file
= NULL
;
918 gdbsim_ops
.to_stratum
= process_stratum
;
919 gdbsim_ops
.DONT_USE
= NULL
;
920 gdbsim_ops
.to_has_all_memory
= 1;
921 gdbsim_ops
.to_has_memory
= 1;
922 gdbsim_ops
.to_has_stack
= 1;
923 gdbsim_ops
.to_has_registers
= 1;
924 gdbsim_ops
.to_has_execution
= 1;
925 gdbsim_ops
.to_sections
= NULL
;
926 gdbsim_ops
.to_sections_end
= NULL
;
927 gdbsim_ops
.to_magic
= OPS_MAGIC
;
929 #ifdef TARGET_REDEFINE_DEFAULT_OPS
930 TARGET_REDEFINE_DEFAULT_OPS (&gdbsim_ops
);
935 _initialize_remote_sim (void)
938 add_target (&gdbsim_ops
);
940 add_com ("sim <command>", class_obscure
, simulator_command
,
941 "Send a command to the simulator.");