1 /* Generic remote debugging interface for simulators.
2 Copyright 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
4 Steve Chamberlain (sac@cygnus.com).
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #include "gdb_string.h"
36 #include "remote-sim.h"
37 #include "remote-utils.h"
42 extern void _initialize_remote_sim
PARAMS ((void));
44 extern int (*ui_loop_hook
) PARAMS ((int signo
));
46 static void dump_mem
PARAMS ((char *buf
, int len
));
48 static void init_callbacks
PARAMS ((void));
50 static void end_callbacks
PARAMS ((void));
52 static int gdb_os_write_stdout
PARAMS ((host_callback
*, const char *, int));
54 static void gdb_os_flush_stdout
PARAMS ((host_callback
*));
56 static int gdb_os_write_stderr
PARAMS ((host_callback
*, const char *, int));
58 static void gdb_os_flush_stderr
PARAMS ((host_callback
*));
60 static int gdb_os_poll_quit
PARAMS ((host_callback
*));
62 /* printf_filtered is depreciated */
63 static void gdb_os_printf_filtered
PARAMS ((host_callback
*, const char *, ...));
65 static void gdb_os_vprintf_filtered
PARAMS ((host_callback
*, const char *, va_list));
67 static void gdb_os_evprintf_filtered
PARAMS ((host_callback
*, const char *, va_list));
69 static void gdb_os_error
PARAMS ((host_callback
*, const char *, ...));
71 static void gdbsim_fetch_register
PARAMS ((int regno
));
73 static void gdbsim_store_register
PARAMS ((int regno
));
75 static void gdbsim_kill
PARAMS ((void));
77 static void gdbsim_load
PARAMS ((char *prog
, int fromtty
));
79 static void gdbsim_create_inferior
PARAMS ((char *exec_file
, char *args
, char **env
));
81 static void gdbsim_open
PARAMS ((char *args
, int from_tty
));
83 static void gdbsim_close
PARAMS ((int quitting
));
85 static void gdbsim_detach
PARAMS ((char *args
, int from_tty
));
87 static void gdbsim_resume
PARAMS ((int pid
, int step
, enum target_signal siggnal
));
89 static int gdbsim_wait
PARAMS ((int pid
, struct target_waitstatus
*status
));
91 static void gdbsim_prepare_to_store
PARAMS ((void));
93 static int gdbsim_xfer_inferior_memory
PARAMS ((CORE_ADDR memaddr
,
94 char *myaddr
, int len
,
96 struct target_ops
*target
));
98 static void gdbsim_files_info
PARAMS ((struct target_ops
*target
));
100 static void gdbsim_mourn_inferior
PARAMS ((void));
102 static void gdbsim_stop
PARAMS ((void));
104 void simulator_command
PARAMS ((char *args
, int from_tty
));
106 /* Naming convention:
108 sim_* are the interface to the simulator (see remote-sim.h).
109 gdbsim_* are stuff which is internal to gdb. */
111 /* Forward data declarations */
112 extern struct target_ops gdbsim_ops
;
114 static int program_loaded
= 0;
116 /* We must keep track of whether the simulator has been opened or not because
117 GDB can call a target's close routine twice, but sim_close doesn't allow
118 this. We also need to record the result of sim_open so we can pass it
119 back to the other sim_foo routines. */
120 static SIM_DESC gdbsim_desc
= 0;
129 if (len
== 8 || len
== 4)
132 memcpy (l
, buf
, len
);
133 printf_filtered ("\t0x%x", l
[0]);
134 printf_filtered (len
== 8 ? " 0x%x\n" : "\n", l
[1]);
139 printf_filtered ("\t");
140 for (i
= 0; i
< len
; i
++)
141 printf_filtered ("0x%x ", buf
[i
]);
142 printf_filtered ("\n");
147 static host_callback gdb_callback
;
148 static int callbacks_initialized
= 0;
150 /* Initialize gdb_callback. */
155 if (! callbacks_initialized
)
157 gdb_callback
= default_callback
;
158 gdb_callback
.init (&gdb_callback
);
159 gdb_callback
.write_stdout
= gdb_os_write_stdout
;
160 gdb_callback
.flush_stdout
= gdb_os_flush_stdout
;
161 gdb_callback
.write_stderr
= gdb_os_write_stderr
;
162 gdb_callback
.flush_stderr
= gdb_os_flush_stderr
;
163 gdb_callback
.printf_filtered
= gdb_os_printf_filtered
;
164 gdb_callback
.vprintf_filtered
= gdb_os_vprintf_filtered
;
165 gdb_callback
.evprintf_filtered
= gdb_os_evprintf_filtered
;
166 gdb_callback
.error
= gdb_os_error
;
167 gdb_callback
.poll_quit
= gdb_os_poll_quit
;
168 gdb_callback
.magic
= HOST_CALLBACK_MAGIC
;
169 callbacks_initialized
= 1;
173 /* Release callbacks (free resources used by them). */
178 if (callbacks_initialized
)
180 gdb_callback
.shutdown (&gdb_callback
);
181 callbacks_initialized
= 0;
185 /* GDB version of os_write_stdout callback. */
188 gdb_os_write_stdout (p
, buf
, len
)
196 for (i
= 0; i
< len
; i
++)
200 if (target_output_hook
)
201 target_output_hook (b
);
203 fputs_filtered (b
, gdb_stdout
);
208 /* GDB version of os_flush_stdout callback. */
211 gdb_os_flush_stdout (p
)
214 gdb_flush (gdb_stdout
);
217 /* GDB version of os_write_stderr callback. */
220 gdb_os_write_stderr (p
, buf
, len
)
228 for (i
= 0; i
< len
; i
++)
232 if (target_output_hook
)
233 target_output_hook (b
);
235 fputs_filtered (b
, gdb_stderr
);
240 /* GDB version of os_flush_stderr callback. */
243 gdb_os_flush_stderr (p
)
246 gdb_flush (gdb_stderr
);
249 /* GDB version of printf_filtered callback. */
253 #ifdef ANSI_PROTOTYPES
254 gdb_os_printf_filtered (host_callback
*p
, const char *format
, ...)
256 gdb_os_printf_filtered (p
, va_alist
)
262 #ifdef ANSI_PROTOTYPES
263 va_start (args
, format
);
268 format
= va_arg (args
, char *);
271 vfprintf_filtered (gdb_stdout
, format
, args
);
276 /* GDB version of error vprintf_filtered. */
280 #ifdef ANSI_PROTOTYPES
281 gdb_os_vprintf_filtered (host_callback
*p
, const char *format
, va_list ap
)
283 gdb_os_vprintf_filtered (p
, format
, ap
)
289 vfprintf_filtered (gdb_stdout
, format
, ap
);
292 /* GDB version of error evprintf_filtered. */
296 #ifdef ANSI_PROTOTYPES
297 gdb_os_evprintf_filtered (host_callback
*p
, const char *format
, va_list ap
)
299 gdb_os_evprintf_filtered (p
, format
, ap
)
305 vfprintf_filtered (gdb_stderr
, format
, ap
);
308 /* GDB version of error callback. */
312 #ifdef ANSI_PROTOTYPES
313 gdb_os_error (host_callback
*p
, const char *format
, ...)
315 gdb_os_error (p
, va_alist
)
325 #ifdef ANSI_PROTOTYPES
326 va_start (args
, format
);
331 format
= va_arg (args
, char *);
335 vfprintf_filtered (gdb_stderr
, format
, args
);
336 fprintf_filtered (gdb_stderr
, "\n");
338 return_to_top_level (RETURN_ERROR
);
343 gdbsim_fetch_register (regno
)
346 static int warn_user
= 1;
349 for (regno
= 0; regno
< NUM_REGS
; regno
++)
350 gdbsim_fetch_register (regno
);
352 else if (REGISTER_NAME (regno
) != NULL
&& *REGISTER_NAME (regno
) != '\0')
354 char buf
[MAX_REGISTER_RAW_SIZE
];
355 int nr_bytes
= sim_fetch_register (gdbsim_desc
, regno
, buf
, REGISTER_RAW_SIZE (regno
));
357 /* register not applicable, supply zero's */
358 memset (buf
, 0, MAX_REGISTER_RAW_SIZE
);
359 else if (nr_bytes
> 0 && nr_bytes
!= REGISTER_RAW_SIZE (regno
)
362 printf_unfiltered ("Size of register %s (%d) incorrect (%d instead of %d))",
363 REGISTER_NAME (regno
), regno
,
364 nr_bytes
, REGISTER_RAW_SIZE (regno
));
367 supply_register (regno
, buf
);
370 printf_filtered ("gdbsim_fetch_register: %d", regno
);
371 /* FIXME: We could print something more intelligible. */
372 dump_mem (buf
, REGISTER_RAW_SIZE (regno
));
379 gdbsim_store_register (regno
)
384 for (regno
= 0; regno
< NUM_REGS
; regno
++)
385 gdbsim_store_register (regno
);
387 else if (REGISTER_NAME (regno
) != NULL
&& *REGISTER_NAME (regno
) != '\0')
389 char tmp
[MAX_REGISTER_RAW_SIZE
];
391 read_register_gen (regno
, tmp
);
392 nr_bytes
= sim_store_register (gdbsim_desc
, regno
, tmp
, REGISTER_RAW_SIZE (regno
));
393 if (nr_bytes
> 0 && nr_bytes
!= REGISTER_RAW_SIZE (regno
))
394 fatal ("Register size different to expected");
397 printf_filtered ("gdbsim_store_register: %d", regno
);
398 /* FIXME: We could print something more intelligible. */
399 dump_mem (tmp
, REGISTER_RAW_SIZE (regno
));
404 /* Kill the running program. This may involve closing any open files
405 and releasing other resources acquired by the simulated program. */
411 printf_filtered ("gdbsim_kill\n");
413 /* There is no need to `kill' running simulator - the simulator is
418 /* Load an executable file into the target process. This is expected to
419 not only bring new code into the target process, but also to update
420 GDB's symbol tables to match. */
423 gdbsim_load (prog
, fromtty
)
428 printf_filtered ("gdbsim_load: prog \"%s\"\n", prog
);
432 /* FIXME: We will print two messages on error.
433 Need error to either not print anything if passed NULL or need
434 another routine that doesn't take any arguments. */
435 if (sim_load (gdbsim_desc
, prog
, NULL
, fromtty
) == SIM_RC_FAIL
)
436 error ("unable to load program");
438 /* FIXME: If a load command should reset the targets registers then
439 a call to sim_create_inferior() should go here. */
445 /* Start an inferior process and set inferior_pid to its pid.
446 EXEC_FILE is the file to run.
447 ARGS is a string containing the arguments to the program.
448 ENV is the environment vector to pass. Errors reported with error().
449 On VxWorks and various standalone systems, we ignore exec_file. */
450 /* This is called not only when we first attach, but also when the
451 user types "run" after having attached. */
454 gdbsim_create_inferior (exec_file
, args
, env
)
460 char *arg_buf
,**argv
;
462 if (exec_file
== 0 || exec_bfd
== 0)
463 warning ("No executable file specified.");
464 if (! program_loaded
)
465 warning ("No program loaded.");
468 printf_filtered ("gdbsim_create_inferior: exec_file \"%s\", args \"%s\"\n",
469 (exec_file
? exec_file
: "(NULL)"),
473 remove_breakpoints ();
474 init_wait_for_inferior ();
476 if (exec_file
!= NULL
)
478 len
= strlen (exec_file
) + 1 + strlen (args
) + 1 + /*slop*/ 10;
479 arg_buf
= (char *) alloca (len
);
481 strcat (arg_buf
, exec_file
);
482 strcat (arg_buf
, " ");
483 strcat (arg_buf
, args
);
484 argv
= buildargv (arg_buf
);
485 make_cleanup_freeargv (argv
);
489 sim_create_inferior (gdbsim_desc
, exec_bfd
, argv
, env
);
492 insert_breakpoints (); /* Needed to get correct instruction in cache */
494 clear_proceed_status ();
496 /* NB: Entry point already set by sim_create_inferior. */
497 proceed ((CORE_ADDR
)-1, TARGET_SIGNAL_DEFAULT
, 0);
500 /* The open routine takes the rest of the parameters from the command,
501 and (if successful) pushes a new target onto the stack.
502 Targets should supply this routine, if only to provide an error message. */
503 /* Called when selecting the simulator. EG: (gdb) target sim name. */
506 gdbsim_open (args
, from_tty
)
515 printf_filtered ("gdbsim_open: args \"%s\"\n", args
? args
: "(null)");
517 /* Remove current simulator if one exists. Only do this if the simulator
518 has been opened because sim_close requires it.
519 This is important because the call to push_target below will cause
520 sim_close to be called if the simulator is already open, but push_target
521 is called after sim_open! We can't move the call to push_target before
522 the call to sim_open because sim_open may invoke `error'. */
523 if (gdbsim_desc
!= NULL
)
524 unpush_target (&gdbsim_ops
);
526 len
= (7 + 1 /* gdbsim */
527 + strlen (" -E little")
528 + strlen (" --architecture=xxxxxxxxxx")
529 + (args
? strlen (args
) : 0)
531 arg_buf
= (char *) alloca (len
);
532 strcpy (arg_buf
, "gdbsim"); /* 7 */
533 /* Specify the byte order for the target when it is both selectable
534 and explicitly specified by the user (not auto detected). */
535 if (TARGET_BYTE_ORDER_SELECTABLE_P
536 && !TARGET_BYTE_ORDER_AUTO
)
538 switch (TARGET_BYTE_ORDER
)
541 strcat (arg_buf
, " -E big");
544 strcat (arg_buf
, " -E little");
547 fatal ("Value of TARGET_BYTE_ORDER unknown");
550 /* Specify the architecture of the target when it has been
551 explicitly specified */
552 if (!TARGET_ARCHITECTURE_AUTO
)
554 strcat (arg_buf
, " --architecture=");
555 strcat (arg_buf
, TARGET_ARCHITECTURE
->printable_name
);
557 /* finally, any explicit args */
560 strcat (arg_buf
, " "); /* 1 */
561 strcat (arg_buf
, args
);
563 argv
= buildargv (arg_buf
);
565 error ("Insufficient memory available to allocate simulator arg list.");
566 make_cleanup_freeargv (argv
);
569 gdbsim_desc
= sim_open (SIM_OPEN_DEBUG
, &gdb_callback
, exec_bfd
, argv
);
571 if (gdbsim_desc
== 0)
572 error ("unable to create simulator instance");
574 push_target (&gdbsim_ops
);
575 target_fetch_registers (-1);
576 printf_filtered ("Connected to the simulator.\n");
579 /* Does whatever cleanup is required for a target that we are no longer
580 going to be calling. Argument says whether we are quitting gdb and
581 should not get hung in case of errors, or whether we want a clean
582 termination even if it takes a while. This routine is automatically
583 always called just before a routine is popped off the target stack.
584 Closing file descriptors and freeing memory are typical things it should
586 /* Close out all files and local state before this target loses control. */
589 gdbsim_close (quitting
)
593 printf_filtered ("gdbsim_close: quitting %d\n", quitting
);
597 if (gdbsim_desc
!= NULL
)
599 sim_close (gdbsim_desc
, quitting
);
606 /* Takes a program previously attached to and detaches it.
607 The program may resume execution (some targets do, some don't) and will
608 no longer stop on signals, etc. We better not have left any breakpoints
609 in the program or it'll die when it hits one. ARGS is arguments
610 typed by the user (e.g. a signal to send the process). FROM_TTY
611 says whether to be verbose or not. */
612 /* Terminate the open connection to the remote debugger.
613 Use this when you want to detach and do something else with your gdb. */
616 gdbsim_detach (args
,from_tty
)
621 printf_filtered ("gdbsim_detach: args \"%s\"\n", args
);
623 pop_target (); /* calls gdbsim_close to do the real work */
625 printf_filtered ("Ending simulator %s debugging\n", target_shortname
);
628 /* Resume execution of the target process. STEP says whether to single-step
629 or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
630 to the target, or zero for no signal. */
632 static enum target_signal resume_siggnal
;
633 static int resume_step
;
636 gdbsim_resume (pid
, step
, siggnal
)
638 enum target_signal siggnal
;
640 if (inferior_pid
!= 42)
641 error ("The program is not being run.");
644 printf_filtered ("gdbsim_resume: step %d, signal %d\n", step
, siggnal
);
646 resume_siggnal
= siggnal
;
650 /* Notify the simulator of an asynchronous request to stop.
652 The simulator shall ensure that the stop request is eventually
653 delivered to the simulator. If the call is made while the
654 simulator is not running then the stop request is processed when
655 the simulator is next resumed.
657 For simulators that do not support this operation, just abort */
662 if (! sim_stop (gdbsim_desc
))
668 /* GDB version of os_poll_quit callback.
669 Taken from gdb/util.c - should be in a library */
675 if (ui_loop_hook
!= NULL
)
679 if (quit_flag
) /* gdb's idea of quit */
681 quit_flag
= 0; /* we've stolen it */
684 else if (immediate_quit
)
691 /* Wait for inferior process to do something. Return pid of child,
692 or -1 in case of error; store status through argument pointer STATUS,
693 just as `wait' would. */
696 gdbsim_cntrl_c (signo
)
703 gdbsim_wait (pid
, status
)
705 struct target_waitstatus
*status
;
707 static RETSIGTYPE (*prev_sigint
) ();
709 enum sim_stop reason
= sim_running
;
712 printf_filtered ("gdbsim_wait\n");
714 #if defined (HAVE_SIGACTION) && defined (SA_RESTART)
716 struct sigaction sa
, osa
;
717 sa
.sa_handler
= gdbsim_cntrl_c
;
718 sigemptyset (&sa
.sa_mask
);
720 sigaction (SIGINT
, &sa
, &osa
);
721 prev_sigint
= osa
.sa_handler
;
724 prev_sigint
= signal (SIGINT
, gdbsim_cntrl_c
);
726 sim_resume (gdbsim_desc
, resume_step
,
727 target_signal_to_host (resume_siggnal
));
728 signal (SIGINT
, prev_sigint
);
731 sim_stop_reason (gdbsim_desc
, &reason
, &sigrc
);
736 status
->kind
= TARGET_WAITKIND_EXITED
;
737 status
->value
.integer
= sigrc
;
748 status
->kind
= TARGET_WAITKIND_STOPPED
;
749 /* The signal in sigrc is a host signal. That probably
751 status
->value
.sig
= target_signal_from_host (sigrc
);
756 status
->kind
= TARGET_WAITKIND_SIGNALLED
;
757 /* The signal in sigrc is a host signal. That probably
759 status
->value
.sig
= target_signal_from_host (sigrc
);
763 /* FIXME: Is this correct? */
770 /* Get ready to modify the registers array. On machines which store
771 individual registers, this doesn't need to do anything. On machines
772 which store all the registers in one fell swoop, this makes sure
773 that registers contains all the registers from the program being
777 gdbsim_prepare_to_store ()
779 /* Do nothing, since we can store individual regs */
783 gdbsim_xfer_inferior_memory (memaddr
, myaddr
, len
, write
, target
)
788 struct target_ops
*target
; /* ignored */
790 if (! program_loaded
)
791 error ("No program loaded.");
795 printf_filtered ("gdbsim_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n",
796 myaddr
, memaddr
, len
, write
);
797 if (sr_get_debug () && write
)
798 dump_mem(myaddr
, len
);
803 len
= sim_write (gdbsim_desc
, memaddr
, myaddr
, len
);
807 len
= sim_read (gdbsim_desc
, memaddr
, myaddr
, len
);
808 if (sr_get_debug () && len
> 0)
809 dump_mem(myaddr
, len
);
815 gdbsim_files_info (target
)
816 struct target_ops
*target
;
818 char *file
= "nothing";
821 file
= bfd_get_filename (exec_bfd
);
824 printf_filtered ("gdbsim_files_info: file \"%s\"\n", file
);
828 printf_filtered ("\tAttached to %s running program %s\n",
829 target_shortname
, file
);
830 sim_info (gdbsim_desc
, 0);
834 /* Clear the simulator's notion of what the break points are. */
837 gdbsim_mourn_inferior ()
840 printf_filtered ("gdbsim_mourn_inferior:\n");
842 remove_breakpoints ();
843 generic_mourn_inferior ();
847 gdbsim_insert_breakpoint (addr
, contents_cache
)
849 char *contents_cache
;
851 #ifdef SIM_HAS_BREAKPOINTS
854 retcode
= sim_set_breakpoint (gdbsim_desc
, addr
);
860 case SIM_RC_INSUFFICIENT_RESOURCES
:
866 return memory_insert_breakpoint (addr
, contents_cache
);
871 gdbsim_remove_breakpoint (addr
, contents_cache
)
873 char *contents_cache
;
875 #ifdef SIM_HAS_BREAKPOINTS
878 retcode
= sim_clear_breakpoint (gdbsim_desc
, addr
);
883 case SIM_RC_UNKNOWN_BREAKPOINT
:
885 case SIM_RC_INSUFFICIENT_RESOURCES
:
891 return memory_remove_breakpoint (addr
, contents_cache
);
895 /* Pass the command argument through to the simulator verbatim. The
896 simulator must do any command interpretation work. */
899 simulator_command (args
, from_tty
)
903 if (gdbsim_desc
== NULL
)
906 /* PREVIOUSLY: The user may give a command before the simulator
907 is opened. [...] (??? assuming of course one wishes to
908 continue to allow commands to be sent to unopened simulators,
909 which isn't entirely unreasonable). */
911 /* The simulator is a builtin abstraction of a remote target.
912 Consistent with that model, access to the simulator, via sim
913 commands, is restricted to the period when the channel to the
914 simulator is open. */
916 error ("Not connected to the simulator target");
919 sim_do_command (gdbsim_desc
, args
);
921 /* Invalidate the register cache, in case the simulator command does
923 registers_changed ();
926 /* Define the target subroutine names */
928 struct target_ops gdbsim_ops
;
931 init_gdbsim_ops(void)
933 gdbsim_ops
.to_shortname
= "sim";
934 gdbsim_ops
.to_longname
= "simulator";
935 gdbsim_ops
.to_doc
= "Use the compiled-in simulator.";
936 gdbsim_ops
.to_open
= gdbsim_open
;
937 gdbsim_ops
.to_close
= gdbsim_close
;
938 gdbsim_ops
.to_attach
= NULL
;
939 gdbsim_ops
.to_post_attach
= NULL
;
940 gdbsim_ops
.to_require_attach
= NULL
;
941 gdbsim_ops
.to_detach
= gdbsim_detach
;
942 gdbsim_ops
.to_require_detach
= NULL
;
943 gdbsim_ops
.to_resume
= gdbsim_resume
;
944 gdbsim_ops
.to_wait
= gdbsim_wait
;
945 gdbsim_ops
.to_post_wait
= NULL
;
946 gdbsim_ops
.to_fetch_registers
= gdbsim_fetch_register
;
947 gdbsim_ops
.to_store_registers
= gdbsim_store_register
;
948 gdbsim_ops
.to_prepare_to_store
= gdbsim_prepare_to_store
;
949 gdbsim_ops
.to_xfer_memory
= gdbsim_xfer_inferior_memory
;
950 gdbsim_ops
.to_files_info
= gdbsim_files_info
;
951 gdbsim_ops
.to_insert_breakpoint
= gdbsim_insert_breakpoint
;
952 gdbsim_ops
.to_remove_breakpoint
= gdbsim_remove_breakpoint
;
953 gdbsim_ops
.to_terminal_init
= NULL
;
954 gdbsim_ops
.to_terminal_inferior
= NULL
;
955 gdbsim_ops
.to_terminal_ours_for_output
= NULL
;
956 gdbsim_ops
.to_terminal_ours
= NULL
;
957 gdbsim_ops
.to_terminal_info
= NULL
;
958 gdbsim_ops
.to_kill
= gdbsim_kill
;
959 gdbsim_ops
.to_load
= gdbsim_load
;
960 gdbsim_ops
.to_lookup_symbol
= NULL
;
961 gdbsim_ops
.to_create_inferior
= gdbsim_create_inferior
;
962 gdbsim_ops
.to_post_startup_inferior
= NULL
;
963 gdbsim_ops
.to_acknowledge_created_inferior
= NULL
;
964 gdbsim_ops
.to_clone_and_follow_inferior
= NULL
;
965 gdbsim_ops
.to_post_follow_inferior_by_clone
= NULL
;
966 gdbsim_ops
.to_insert_fork_catchpoint
= NULL
;
967 gdbsim_ops
.to_remove_fork_catchpoint
= NULL
;
968 gdbsim_ops
.to_insert_vfork_catchpoint
= NULL
;
969 gdbsim_ops
.to_remove_vfork_catchpoint
= NULL
;
970 gdbsim_ops
.to_has_forked
= NULL
;
971 gdbsim_ops
.to_has_vforked
= NULL
;
972 gdbsim_ops
.to_can_follow_vfork_prior_to_exec
= NULL
;
973 gdbsim_ops
.to_post_follow_vfork
= NULL
;
974 gdbsim_ops
.to_insert_exec_catchpoint
= NULL
;
975 gdbsim_ops
.to_remove_exec_catchpoint
= NULL
;
976 gdbsim_ops
.to_has_execd
= NULL
;
977 gdbsim_ops
.to_reported_exec_events_per_exec_call
= NULL
;
978 gdbsim_ops
.to_has_exited
= NULL
;
979 gdbsim_ops
.to_mourn_inferior
= gdbsim_mourn_inferior
;
980 gdbsim_ops
.to_can_run
= 0;
981 gdbsim_ops
.to_notice_signals
= 0;
982 gdbsim_ops
.to_thread_alive
= 0;
983 gdbsim_ops
.to_stop
= gdbsim_stop
;
984 gdbsim_ops
.to_pid_to_exec_file
= NULL
;
985 gdbsim_ops
.to_core_file_to_sym_file
= NULL
;
986 gdbsim_ops
.to_stratum
= process_stratum
;
987 gdbsim_ops
.DONT_USE
= NULL
;
988 gdbsim_ops
.to_has_all_memory
= 1;
989 gdbsim_ops
.to_has_memory
= 1;
990 gdbsim_ops
.to_has_stack
= 1;
991 gdbsim_ops
.to_has_registers
= 1;
992 gdbsim_ops
.to_has_execution
= 1;
993 gdbsim_ops
.to_sections
= NULL
;
994 gdbsim_ops
.to_sections_end
= NULL
;
995 gdbsim_ops
.to_magic
= OPS_MAGIC
;
997 #ifdef TARGET_REDEFINE_DEFAULT_OPS
998 TARGET_REDEFINE_DEFAULT_OPS (&gdbsim_ops
);
1003 _initialize_remote_sim ()
1006 add_target (&gdbsim_ops
);
1008 add_com ("sim <command>", class_obscure
, simulator_command
,
1009 "Send a command to the simulator.");