1 /* Select target systems and architectures at runtime for GDB.
2 Copyright 1990, 1992-1995, 1998, 1999 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 #include "gdb_string.h"
39 target_info PARAMS ((char *, int));
42 cleanup_target PARAMS ((struct target_ops *));
45 maybe_kill_then_create_inferior PARAMS ((char *, char *, char **));
48 default_clone_and_follow_inferior PARAMS ((int, int *));
51 maybe_kill_then_attach PARAMS ((char *, int));
54 kill_or_be_killed PARAMS ((int));
57 default_terminal_info PARAMS ((char *, int));
60 nosymbol PARAMS ((char *, CORE_ADDR *));
63 tcomplain PARAMS ((void));
66 nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
69 return_zero PARAMS ((void));
72 return_one PARAMS ((void));
75 target_ignore PARAMS ((void));
78 target_command PARAMS ((char *, int));
80 static struct target_ops *
81 find_default_run_target PARAMS ((char *));
84 update_current_target PARAMS ((void));
86 static void nosupport_runtime PARAMS ((void));
88 static void normal_target_post_startup_inferior PARAMS ((int pid));
90 /* Transfer LEN bytes between target address MEMADDR and GDB address MYADDR.
91 Returns 0 for success, errno code for failure (which includes partial
92 transfers--if you want a more useful response to partial transfers, try
93 target_read_memory_partial). */
96 target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
97 int write, asection * bfd_section));
99 static void init_dummy_target PARAMS ((void));
102 debug_to_open PARAMS ((char *, int));
105 debug_to_close PARAMS ((int));
108 debug_to_attach PARAMS ((char *, int));
111 debug_to_detach PARAMS ((char *, int));
114 debug_to_resume PARAMS ((int, int, enum target_signal));
117 debug_to_wait PARAMS ((int, struct target_waitstatus *));
120 debug_to_fetch_registers PARAMS ((int));
123 debug_to_store_registers PARAMS ((int));
126 debug_to_prepare_to_store PARAMS ((void));
129 debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
132 debug_to_files_info PARAMS ((struct target_ops *));
135 debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
138 debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
141 debug_to_terminal_init PARAMS ((void));
144 debug_to_terminal_inferior PARAMS ((void));
147 debug_to_terminal_ours_for_output PARAMS ((void));
150 debug_to_terminal_ours PARAMS ((void));
153 debug_to_terminal_info PARAMS ((char *, int));
156 debug_to_kill PARAMS ((void));
159 debug_to_load PARAMS ((char *, int));
162 debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
165 debug_to_create_inferior PARAMS ((char *, char *, char **));
168 debug_to_mourn_inferior PARAMS ((void));
171 debug_to_can_run PARAMS ((void));
174 debug_to_notice_signals PARAMS ((int));
177 debug_to_thread_alive PARAMS ((int));
180 debug_to_stop PARAMS ((void));
182 static int debug_to_query PARAMS ((int /*char */ , char *, char *, int *));
184 /* Pointer to array of target architecture structures; the size of the
185 array; the current index into the array; the allocated size of the
187 struct target_ops **target_structs;
188 unsigned target_struct_size;
189 unsigned target_struct_index;
190 unsigned target_struct_allocsize;
191 #define DEFAULT_ALLOCSIZE 10
193 /* The initial current target, so that there is always a semi-valid
196 static struct target_ops dummy_target;
198 /* Top of target stack. */
200 struct target_stack_item *target_stack;
202 /* The target structure we are currently using to talk to a process
203 or file or whatever "inferior" we have. */
205 struct target_ops current_target;
207 /* Command list for target. */
209 static struct cmd_list_element *targetlist = NULL;
211 /* Nonzero if we are debugging an attached outside process
212 rather than an inferior. */
216 /* Non-zero if we want to see trace of target level stuff. */
218 static int targetdebug = 0;
220 static void setup_target_debug PARAMS ((void));
222 /* The user just typed 'target' without the name of a target. */
226 target_command (arg, from_tty)
230 fputs_filtered ("Argument required (target name). Try `help target'\n",
234 /* Add a possible target architecture to the list. */
238 struct target_ops *t;
242 target_struct_allocsize = DEFAULT_ALLOCSIZE;
243 target_structs = (struct target_ops **) xmalloc
244 (target_struct_allocsize * sizeof (*target_structs));
246 if (target_struct_size >= target_struct_allocsize)
248 target_struct_allocsize *= 2;
249 target_structs = (struct target_ops **)
250 xrealloc ((char *) target_structs,
251 target_struct_allocsize * sizeof (*target_structs));
253 target_structs[target_struct_size++] = t;
254 /* cleanup_target (t); */
256 if (targetlist == NULL)
257 add_prefix_cmd ("target", class_run, target_command,
258 "Connect to a target machine or process.\n\
259 The first argument is the type or protocol of the target machine.\n\
260 Remaining arguments are interpreted by the target protocol. For more\n\
261 information on the arguments for a particular protocol, type\n\
262 `help target ' followed by the protocol name.",
263 &targetlist, "target ", 0, &cmdlist);
264 add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist);
276 nomemory (memaddr, myaddr, len, write, t)
281 struct target_ops *t;
283 errno = EIO; /* Can't read/write this location */
284 return 0; /* No bytes handled */
290 error ("You can't do that when your target is `%s'",
291 current_target.to_shortname);
297 error ("You can't do that without a process to debug.");
302 nosymbol (name, addrp)
306 return 1; /* Symbol does not exist in target env */
316 error ("No run-time support for this");
322 default_terminal_info (args, from_tty)
326 printf_unfiltered ("No saved terminal information.\n");
329 /* This is the default target_create_inferior and target_attach function.
330 If the current target is executing, it asks whether to kill it off.
331 If this function returns without calling error(), it has killed off
332 the target, and the operation should be attempted. */
335 kill_or_be_killed (from_tty)
338 if (target_has_execution)
340 printf_unfiltered ("You are already running a program:\n");
341 target_files_info ();
342 if (query ("Kill it? "))
345 if (target_has_execution)
346 error ("Killing the program did not help.");
351 error ("Program not killed.");
358 maybe_kill_then_attach (args, from_tty)
362 kill_or_be_killed (from_tty);
363 target_attach (args, from_tty);
367 maybe_kill_then_create_inferior (exec, args, env)
372 kill_or_be_killed (0);
373 target_create_inferior (exec, args, env);
377 default_clone_and_follow_inferior (child_pid, followed_child)
381 target_clone_and_follow_inferior (child_pid, followed_child);
384 /* Clean up a target struct so it no longer has any zero pointers in it.
385 We default entries, at least to stubs that print error messages. */
389 struct target_ops *t;
392 #define de_fault(field, value) \
393 if (!t->field) t->field = value
395 /* FIELD DEFAULT VALUE */
397 de_fault (to_open, (void (*)PARAMS ((char *, int))) tcomplain);
398 de_fault (to_close, (void (*)PARAMS ((int))) target_ignore);
399 de_fault (to_attach, maybe_kill_then_attach);
400 de_fault (to_post_attach, (void (*)PARAMS ((int))) target_ignore);
401 de_fault (to_require_attach, maybe_kill_then_attach);
402 de_fault (to_detach, (void (*)PARAMS ((char *, int))) target_ignore);
403 de_fault (to_require_detach, (void (*)PARAMS ((int, char *, int))) target_ignore);
404 de_fault (to_resume, (void (*)PARAMS ((int, int, enum target_signal))) noprocess);
405 de_fault (to_wait, (int (*)PARAMS ((int, struct target_waitstatus *))) noprocess);
406 de_fault (to_post_wait, (void (*)PARAMS ((int, int))) target_ignore);
407 de_fault (to_fetch_registers, (void (*)PARAMS ((int))) target_ignore);
408 de_fault (to_store_registers, (void (*)PARAMS ((int))) noprocess);
409 de_fault (to_prepare_to_store, (void (*)PARAMS ((void))) noprocess);
410 de_fault (to_xfer_memory, (int (*)PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *))) nomemory);
411 de_fault (to_files_info, (void (*)PARAMS ((struct target_ops *))) target_ignore);
412 de_fault (to_insert_breakpoint, memory_insert_breakpoint);
413 de_fault (to_remove_breakpoint, memory_remove_breakpoint);
414 de_fault (to_terminal_init, (void (*)PARAMS ((void))) target_ignore);
415 de_fault (to_terminal_inferior, (void (*)PARAMS ((void))) target_ignore);
416 de_fault (to_terminal_ours_for_output, (void (*)PARAMS ((void))) target_ignore);
417 de_fault (to_terminal_ours, (void (*)PARAMS ((void))) target_ignore);
418 de_fault (to_terminal_info, default_terminal_info);
419 de_fault (to_kill, (void (*)PARAMS ((void))) noprocess);
420 de_fault (to_load, (void (*)PARAMS ((char *, int))) tcomplain);
421 de_fault (to_lookup_symbol, (int (*)PARAMS ((char *, CORE_ADDR *))) nosymbol);
422 de_fault (to_create_inferior, maybe_kill_then_create_inferior);
423 de_fault (to_post_startup_inferior, (void (*)PARAMS ((int))) target_ignore);
424 de_fault (to_acknowledge_created_inferior, (void (*)PARAMS ((int))) target_ignore);
425 de_fault (to_clone_and_follow_inferior, default_clone_and_follow_inferior);
426 de_fault (to_post_follow_inferior_by_clone, (void (*)PARAMS ((void))) target_ignore);
427 de_fault (to_insert_fork_catchpoint, (int (*)PARAMS ((int))) tcomplain);
428 de_fault (to_remove_fork_catchpoint, (int (*)PARAMS ((int))) tcomplain);
429 de_fault (to_insert_vfork_catchpoint, (int (*)PARAMS ((int))) tcomplain);
430 de_fault (to_remove_vfork_catchpoint, (int (*)PARAMS ((int))) tcomplain);
431 de_fault (to_has_forked, (int (*)PARAMS ((int, int *))) return_zero);
432 de_fault (to_has_vforked, (int (*)PARAMS ((int, int *))) return_zero);
433 de_fault (to_can_follow_vfork_prior_to_exec, (int (*)PARAMS ((void))) return_zero);
434 de_fault (to_post_follow_vfork, (void (*)PARAMS ((int, int, int, int))) target_ignore);
435 de_fault (to_insert_exec_catchpoint, (int (*)PARAMS ((int))) tcomplain);
436 de_fault (to_remove_exec_catchpoint, (int (*)PARAMS ((int))) tcomplain);
437 de_fault (to_has_execd, (int (*)PARAMS ((int, char **))) return_zero);
438 de_fault (to_reported_exec_events_per_exec_call, (int (*)PARAMS ((void))) return_one);
439 de_fault (to_has_syscall_event, (int (*)PARAMS ((int, enum target_waitkind *, int *))) return_zero);
440 de_fault (to_has_exited, (int (*)PARAMS ((int, int, int *))) return_zero);
441 de_fault (to_mourn_inferior, (void (*)PARAMS ((void))) noprocess);
442 de_fault (to_can_run, return_zero);
443 de_fault (to_notice_signals, (void (*)PARAMS ((int))) target_ignore);
444 de_fault (to_thread_alive, (int (*)PARAMS ((int))) target_ignore);
445 de_fault (to_stop, (void (*)PARAMS ((void))) target_ignore);
446 de_fault (to_query, (int (*)PARAMS ((int /*char */ , char *, char *, int *))) target_ignore);
447 de_fault (to_rcmd, (void (*) (char *, struct gdb_file *)) tcomplain);
448 de_fault (to_enable_exception_callback, (struct symtab_and_line * (*)PARAMS ((enum exception_event_kind, int))) nosupport_runtime);
449 de_fault (to_get_current_exception_event, (struct exception_event_record * (*)PARAMS ((void))) nosupport_runtime);
451 de_fault (to_pid_to_exec_file, (char *(*)PARAMS ((int))) return_zero);
452 de_fault (to_core_file_to_sym_file, (char *(*)PARAMS ((char *))) return_zero);
456 /* Go through the target stack from top to bottom, copying over zero entries in
457 current_target. In effect, we are doing class inheritance through the
458 pushed target vectors. */
461 update_current_target ()
463 struct target_stack_item *item;
464 struct target_ops *t;
466 /* First, reset current_target */
467 memset (¤t_target, 0, sizeof current_target);
469 for (item = target_stack; item; item = item->next)
471 t = item->target_ops;
473 #define INHERIT(FIELD, TARGET) \
474 if (!current_target.FIELD) \
475 current_target.FIELD = TARGET->FIELD
477 INHERIT (to_shortname, t);
478 INHERIT (to_longname, t);
480 INHERIT (to_open, t);
481 INHERIT (to_close, t);
482 INHERIT (to_attach, t);
483 INHERIT (to_post_attach, t);
484 INHERIT (to_require_attach, t);
485 INHERIT (to_detach, t);
486 INHERIT (to_require_detach, t);
487 INHERIT (to_resume, t);
488 INHERIT (to_wait, t);
489 INHERIT (to_post_wait, t);
490 INHERIT (to_fetch_registers, t);
491 INHERIT (to_store_registers, t);
492 INHERIT (to_prepare_to_store, t);
493 INHERIT (to_xfer_memory, t);
494 INHERIT (to_files_info, t);
495 INHERIT (to_insert_breakpoint, t);
496 INHERIT (to_remove_breakpoint, t);
497 INHERIT (to_terminal_init, t);
498 INHERIT (to_terminal_inferior, t);
499 INHERIT (to_terminal_ours_for_output, t);
500 INHERIT (to_terminal_ours, t);
501 INHERIT (to_terminal_info, t);
502 INHERIT (to_kill, t);
503 INHERIT (to_load, t);
504 INHERIT (to_lookup_symbol, t);
505 INHERIT (to_create_inferior, t);
506 INHERIT (to_post_startup_inferior, t);
507 INHERIT (to_acknowledge_created_inferior, t);
508 INHERIT (to_clone_and_follow_inferior, t);
509 INHERIT (to_post_follow_inferior_by_clone, t);
510 INHERIT (to_insert_fork_catchpoint, t);
511 INHERIT (to_remove_fork_catchpoint, t);
512 INHERIT (to_insert_vfork_catchpoint, t);
513 INHERIT (to_remove_vfork_catchpoint, t);
514 INHERIT (to_has_forked, t);
515 INHERIT (to_has_vforked, t);
516 INHERIT (to_can_follow_vfork_prior_to_exec, t);
517 INHERIT (to_post_follow_vfork, t);
518 INHERIT (to_insert_exec_catchpoint, t);
519 INHERIT (to_remove_exec_catchpoint, t);
520 INHERIT (to_has_execd, t);
521 INHERIT (to_reported_exec_events_per_exec_call, t);
522 INHERIT (to_has_syscall_event, t);
523 INHERIT (to_has_exited, t);
524 INHERIT (to_mourn_inferior, t);
525 INHERIT (to_can_run, t);
526 INHERIT (to_notice_signals, t);
527 INHERIT (to_thread_alive, t);
528 INHERIT (to_find_new_threads, t);
529 INHERIT (to_stop, t);
530 INHERIT (to_query, t);
531 INHERIT (to_rcmd, t);
532 INHERIT (to_enable_exception_callback, t);
533 INHERIT (to_get_current_exception_event, t);
534 INHERIT (to_pid_to_exec_file, t);
535 INHERIT (to_core_file_to_sym_file, t);
536 INHERIT (to_stratum, t);
537 INHERIT (DONT_USE, t);
538 INHERIT (to_has_all_memory, t);
539 INHERIT (to_has_memory, t);
540 INHERIT (to_has_stack, t);
541 INHERIT (to_has_registers, t);
542 INHERIT (to_has_execution, t);
543 INHERIT (to_has_thread_control, t);
544 INHERIT (to_has_async_exec, t);
545 INHERIT (to_sections, t);
546 INHERIT (to_sections_end, t);
547 INHERIT (to_magic, t);
553 /* Push a new target type into the stack of the existing target accessors,
554 possibly superseding some of the existing accessors.
556 Result is zero if the pushed target ended up on top of the stack,
557 nonzero if at least one target is on top of it.
559 Rather than allow an empty stack, we always have the dummy target at
560 the bottom stratum, so we can call the function vectors without
565 struct target_ops *t;
567 struct target_stack_item *cur, *prev, *tmp;
569 /* Check magic number. If wrong, it probably means someone changed
570 the struct definition, but not all the places that initialize one. */
571 if (t->to_magic != OPS_MAGIC)
573 fprintf_unfiltered (gdb_stderr,
574 "Magic number of %s target struct wrong\n",
579 /* Find the proper stratum to install this target in. */
581 for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next)
583 if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum))
587 /* If there's already targets at this stratum, remove them. */
590 while (t->to_stratum == cur->target_ops->to_stratum)
592 /* There's already something on this stratum. Close it off. */
593 if (cur->target_ops->to_close)
594 (cur->target_ops->to_close) (0);
596 prev->next = cur->next; /* Unchain old target_ops */
598 target_stack = cur->next; /* Unchain first on list */
604 /* We have removed all targets in our stratum, now add the new one. */
606 tmp = (struct target_stack_item *)
607 xmalloc (sizeof (struct target_stack_item));
616 update_current_target ();
618 cleanup_target (¤t_target); /* Fill in the gaps */
621 setup_target_debug ();
626 /* Remove a target_ops vector from the stack, wherever it may be.
627 Return how many times it was removed (0 or 1). */
631 struct target_ops *t;
633 struct target_stack_item *cur, *prev;
636 t->to_close (0); /* Let it clean up */
638 /* Look for the specified target. Note that we assume that a target
639 can only occur once in the target stack. */
641 for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next)
642 if (cur->target_ops == t)
646 return 0; /* Didn't find target_ops, quit now */
648 /* Unchain the target */
651 target_stack = cur->next;
653 prev->next = cur->next;
655 free (cur); /* Release the target_stack_item */
657 update_current_target ();
658 cleanup_target (¤t_target);
666 (current_target.to_close) (0); /* Let it clean up */
667 if (unpush_target (target_stack->target_ops) == 1)
670 fprintf_unfiltered (gdb_stderr,
671 "pop_target couldn't find target %s\n",
672 current_target.to_shortname);
677 #define MIN(A, B) (((A) <= (B)) ? (A) : (B))
679 /* target_read_string -- read a null terminated string, up to LEN bytes,
680 from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful.
681 Set *STRING to a pointer to malloc'd memory containing the data; the caller
682 is responsible for freeing it. Return the number of bytes successfully
686 target_read_string (memaddr, string, len, errnop)
692 int tlen, origlen, offset, i;
696 int buffer_allocated;
698 unsigned int nbytes_read = 0;
700 /* Small for testing. */
701 buffer_allocated = 4;
702 buffer = xmalloc (buffer_allocated);
709 tlen = MIN (len, 4 - (memaddr & 3));
710 offset = memaddr & 3;
712 errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL);
715 /* The transfer request might have crossed the boundary to an
716 unallocated region of memory. Retry the transfer, requesting
720 errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL);
725 if (bufptr - buffer + tlen > buffer_allocated)
728 bytes = bufptr - buffer;
729 buffer_allocated *= 2;
730 buffer = xrealloc (buffer, buffer_allocated);
731 bufptr = buffer + bytes;
734 for (i = 0; i < tlen; i++)
736 *bufptr++ = buf[i + offset];
737 if (buf[i + offset] == '\000')
739 nbytes_read += i + 1;
756 /* Read LEN bytes of target memory at address MEMADDR, placing the results in
757 GDB's memory at MYADDR. Returns either 0 for success or an errno value
760 If an error occurs, no guarantee is made about the contents of the data at
761 MYADDR. In particular, the caller should not depend upon partial reads
762 filling the buffer with good data. There is no way for the caller to know
763 how much good data might have been transfered anyway. Callers that can
764 deal with partial reads should call target_read_memory_partial. */
767 target_read_memory (memaddr, myaddr, len)
772 return target_xfer_memory (memaddr, myaddr, len, 0, NULL);
776 target_read_memory_section (memaddr, myaddr, len, bfd_section)
780 asection *bfd_section;
782 return target_xfer_memory (memaddr, myaddr, len, 0, bfd_section);
785 /* Read LEN bytes of target memory at address MEMADDR, placing the results
786 in GDB's memory at MYADDR. Returns a count of the bytes actually read,
787 and optionally an errno value in the location pointed to by ERRNOPTR
788 if ERRNOPTR is non-null. */
791 target_read_memory_partial (memaddr, myaddr, len, errnoptr)
797 int nread; /* Number of bytes actually read. */
798 int errcode; /* Error from last read. */
800 /* First try a complete read. */
801 errcode = target_xfer_memory (memaddr, myaddr, len, 0, NULL);
809 /* Loop, reading one byte at a time until we get as much as we can. */
810 for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--)
812 errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0, NULL);
814 /* If an error, the last read was unsuccessful, so adjust count. */
820 if (errnoptr != NULL)
828 target_write_memory (memaddr, myaddr, len)
833 return target_xfer_memory (memaddr, myaddr, len, 1, NULL);
836 /* This variable is used to pass section information down to targets. This
837 *should* be done by adding an argument to the target_xfer_memory function
838 of all the targets, but I didn't feel like changing 50+ files. */
840 asection *target_memory_bfd_section = NULL;
842 /* Move memory to or from the targets. Iterate until all of it has
843 been moved, if necessary. The top target gets priority; anything
844 it doesn't want, is offered to the next one down, etc. Note the
845 business with curlen: if an early target says "no, but I have a
846 boundary overlapping this xfer" then we shorten what we offer to
847 the subsequent targets so the early guy will get a chance at the
848 tail before the subsequent ones do.
850 Result is 0 or errno value. */
853 target_xfer_memory (memaddr, myaddr, len, write, bfd_section)
858 asection *bfd_section;
862 struct target_ops *t;
863 struct target_stack_item *item;
865 /* Zero length requests are ok and require no work. */
869 target_memory_bfd_section = bfd_section;
871 /* to_xfer_memory is not guaranteed to set errno, even when it returns
875 /* The quick case is that the top target does it all. */
876 res = current_target.to_xfer_memory
877 (memaddr, myaddr, len, write, ¤t_target);
883 /* If res <= 0 then we call it again in the loop. Ah well. */
887 curlen = len; /* Want to do it all */
888 for (item = target_stack; item; item = item->next)
890 t = item->target_ops;
891 if (!t->to_has_memory)
894 res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t);
896 break; /* Handled all or part of xfer */
897 if (t->to_has_all_memory)
903 /* If this address is for nonexistent memory,
904 read zeros if reading, or do nothing if writing. Return error. */
906 memset (myaddr, 0, len);
917 return 0; /* We managed to cover it all somehow. */
923 target_info (args, from_tty)
927 struct target_ops *t;
928 struct target_stack_item *item;
931 if (symfile_objfile != NULL)
932 printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name);
934 #ifdef FILES_INFO_HOOK
935 if (FILES_INFO_HOOK ())
939 for (item = target_stack; item; item = item->next)
941 t = item->target_ops;
943 if (!t->to_has_memory)
946 if ((int) (t->to_stratum) <= (int) dummy_stratum)
949 printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n");
950 printf_unfiltered ("%s:\n", t->to_longname);
951 (t->to_files_info) (t);
952 has_all_mem = t->to_has_all_memory;
956 /* This is to be called by the open routine before it does
960 target_preopen (from_tty)
965 if (target_has_execution)
968 || query ("A program is being debugged already. Kill it? "))
971 error ("Program not killed.");
974 /* Calling target_kill may remove the target from the stack. But if
975 it doesn't (which seems like a win for UDI), remove it now. */
977 if (target_has_execution)
981 /* Detach a target after doing deferred register stores. */
984 target_detach (args, from_tty)
988 /* Handle any optimized stores to the inferior. */
989 #ifdef DO_DEFERRED_STORES
992 (current_target.to_detach) (args, from_tty);
996 target_link (modname, t_reloc)
1000 if (STREQ (current_target.to_shortname, "rombug"))
1002 (current_target.to_lookup_symbol) (modname, t_reloc);
1004 error ("Unable to link to %s and get relocation in rombug", modname);
1007 *t_reloc = (CORE_ADDR) - 1;
1010 /* Look through the list of possible targets for a target that can
1011 execute a run or attach command without any other data. This is
1012 used to locate the default process stratum.
1014 Result is always valid (error() is called for errors). */
1016 static struct target_ops *
1017 find_default_run_target (do_mesg)
1020 struct target_ops **t;
1021 struct target_ops *runable = NULL;
1026 for (t = target_structs; t < target_structs + target_struct_size;
1029 if ((*t)->to_can_run && target_can_run (*t))
1037 error ("Don't know how to %s. Try \"help target\".", do_mesg);
1043 find_default_attach (args, from_tty)
1047 struct target_ops *t;
1049 t = find_default_run_target ("attach");
1050 (t->to_attach) (args, from_tty);
1055 find_default_require_attach (args, from_tty)
1059 struct target_ops *t;
1061 t = find_default_run_target ("require_attach");
1062 (t->to_require_attach) (args, from_tty);
1067 find_default_require_detach (pid, args, from_tty)
1072 struct target_ops *t;
1074 t = find_default_run_target ("require_detach");
1075 (t->to_require_detach) (pid, args, from_tty);
1080 find_default_create_inferior (exec_file, allargs, env)
1085 struct target_ops *t;
1087 t = find_default_run_target ("run");
1088 (t->to_create_inferior) (exec_file, allargs, env);
1093 find_default_clone_and_follow_inferior (child_pid, followed_child)
1095 int *followed_child;
1097 struct target_ops *t;
1099 t = find_default_run_target ("run");
1100 (t->to_clone_and_follow_inferior) (child_pid, followed_child);
1116 /* Find a single runnable target in the stack and return it. If for
1117 some reason there is more than one, return NULL. */
1122 struct target_ops **t;
1123 struct target_ops *runable = NULL;
1128 for (t = target_structs; t < target_structs + target_struct_size; ++t)
1130 if ((*t)->to_can_run && target_can_run (*t))
1137 return (count == 1 ? runable : NULL);
1143 struct target_ops **t;
1144 struct target_ops *runable = NULL;
1149 for (t = target_structs; t < target_structs + target_struct_size;
1152 if ((*t)->to_stratum == core_stratum)
1159 return (count == 1 ? runable : NULL);
1162 /* The inferior process has died. Long live the inferior! */
1165 generic_mourn_inferior ()
1167 extern int show_breakpoint_hit_counts;
1171 breakpoint_init_inferior (inf_exited);
1172 registers_changed ();
1174 #ifdef CLEAR_DEFERRED_STORES
1175 /* Delete any pending stores to the inferior... */
1176 CLEAR_DEFERRED_STORES;
1179 reopen_exec_file ();
1180 reinit_frame_cache ();
1182 /* It is confusing to the user for ignore counts to stick around
1183 from previous runs of the inferior. So clear them. */
1184 /* However, it is more confusing for the ignore counts to disappear when
1185 using hit counts. So don't clear them if we're counting hits. */
1186 if (!show_breakpoint_hit_counts)
1187 breakpoint_clear_ignore_counts ();
1190 /* This table must match in order and size the signals in enum target_signal
1199 {"SIGHUP", "Hangup"},
1200 {"SIGINT", "Interrupt"},
1201 {"SIGQUIT", "Quit"},
1202 {"SIGILL", "Illegal instruction"},
1203 {"SIGTRAP", "Trace/breakpoint trap"},
1204 {"SIGABRT", "Aborted"},
1205 {"SIGEMT", "Emulation trap"},
1206 {"SIGFPE", "Arithmetic exception"},
1207 {"SIGKILL", "Killed"},
1208 {"SIGBUS", "Bus error"},
1209 {"SIGSEGV", "Segmentation fault"},
1210 {"SIGSYS", "Bad system call"},
1211 {"SIGPIPE", "Broken pipe"},
1212 {"SIGALRM", "Alarm clock"},
1213 {"SIGTERM", "Terminated"},
1214 {"SIGURG", "Urgent I/O condition"},
1215 {"SIGSTOP", "Stopped (signal)"},
1216 {"SIGTSTP", "Stopped (user)"},
1217 {"SIGCONT", "Continued"},
1218 {"SIGCHLD", "Child status changed"},
1219 {"SIGTTIN", "Stopped (tty input)"},
1220 {"SIGTTOU", "Stopped (tty output)"},
1221 {"SIGIO", "I/O possible"},
1222 {"SIGXCPU", "CPU time limit exceeded"},
1223 {"SIGXFSZ", "File size limit exceeded"},
1224 {"SIGVTALRM", "Virtual timer expired"},
1225 {"SIGPROF", "Profiling timer expired"},
1226 {"SIGWINCH", "Window size changed"},
1227 {"SIGLOST", "Resource lost"},
1228 {"SIGUSR1", "User defined signal 1"},
1229 {"SIGUSR2", "User defined signal 2"},
1230 {"SIGPWR", "Power fail/restart"},
1231 {"SIGPOLL", "Pollable event occurred"},
1232 {"SIGWIND", "SIGWIND"},
1233 {"SIGPHONE", "SIGPHONE"},
1234 {"SIGWAITING", "Process's LWPs are blocked"},
1235 {"SIGLWP", "Signal LWP"},
1236 {"SIGDANGER", "Swap space dangerously low"},
1237 {"SIGGRANT", "Monitor mode granted"},
1238 {"SIGRETRACT", "Need to relinquish monitor mode"},
1239 {"SIGMSG", "Monitor mode data available"},
1240 {"SIGSOUND", "Sound completed"},
1241 {"SIGSAK", "Secure attention"},
1242 {"SIGPRIO", "SIGPRIO"},
1243 {"SIG33", "Real-time event 33"},
1244 {"SIG34", "Real-time event 34"},
1245 {"SIG35", "Real-time event 35"},
1246 {"SIG36", "Real-time event 36"},
1247 {"SIG37", "Real-time event 37"},
1248 {"SIG38", "Real-time event 38"},
1249 {"SIG39", "Real-time event 39"},
1250 {"SIG40", "Real-time event 40"},
1251 {"SIG41", "Real-time event 41"},
1252 {"SIG42", "Real-time event 42"},
1253 {"SIG43", "Real-time event 43"},
1254 {"SIG44", "Real-time event 44"},
1255 {"SIG45", "Real-time event 45"},
1256 {"SIG46", "Real-time event 46"},
1257 {"SIG47", "Real-time event 47"},
1258 {"SIG48", "Real-time event 48"},
1259 {"SIG49", "Real-time event 49"},
1260 {"SIG50", "Real-time event 50"},
1261 {"SIG51", "Real-time event 51"},
1262 {"SIG52", "Real-time event 52"},
1263 {"SIG53", "Real-time event 53"},
1264 {"SIG54", "Real-time event 54"},
1265 {"SIG55", "Real-time event 55"},
1266 {"SIG56", "Real-time event 56"},
1267 {"SIG57", "Real-time event 57"},
1268 {"SIG58", "Real-time event 58"},
1269 {"SIG59", "Real-time event 59"},
1270 {"SIG60", "Real-time event 60"},
1271 {"SIG61", "Real-time event 61"},
1272 {"SIG62", "Real-time event 62"},
1273 {"SIG63", "Real-time event 63"},
1274 {"SIGCANCEL", "LWP internal signal"},
1276 #if defined(MACH) || defined(__MACH__)
1277 /* Mach exceptions */
1278 {"EXC_BAD_ACCESS", "Could not access memory"},
1279 {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
1280 {"EXC_ARITHMETIC", "Arithmetic exception"},
1281 {"EXC_EMULATION", "Emulation instruction"},
1282 {"EXC_SOFTWARE", "Software generated exception"},
1283 {"EXC_BREAKPOINT", "Breakpoint"},
1285 {"SIGINFO", "Information request"},
1287 {NULL, "Unknown signal"},
1288 {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
1290 /* Last entry, used to check whether the table is the right size. */
1291 {NULL, "TARGET_SIGNAL_MAGIC"}
1297 /* Return the string for a signal. */
1299 target_signal_to_string (sig)
1300 enum target_signal sig;
1302 if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST))
1303 return signals[sig].string;
1305 return signals[TARGET_SIGNAL_UNKNOWN].string;
1308 /* Return the name for a signal. */
1310 target_signal_to_name (sig)
1311 enum target_signal sig;
1313 if (sig == TARGET_SIGNAL_UNKNOWN)
1314 /* I think the code which prints this will always print it along with
1315 the string, so no need to be verbose. */
1317 return signals[sig].name;
1320 /* Given a name, return its signal. */
1322 target_signal_from_name (name)
1325 enum target_signal sig;
1327 /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
1328 for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
1329 questionable; seems like by now people should call it SIGABRT
1332 /* This ugly cast brought to you by the native VAX compiler. */
1333 for (sig = TARGET_SIGNAL_HUP;
1334 signals[sig].name != NULL;
1335 sig = (enum target_signal) ((int) sig + 1))
1336 if (STREQ (name, signals[sig].name))
1338 return TARGET_SIGNAL_UNKNOWN;
1341 /* The following functions are to help certain targets deal
1342 with the signal/waitstatus stuff. They could just as well be in
1343 a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
1345 /* Convert host signal to our signals. */
1347 target_signal_from_host (hostsig)
1350 /* A switch statement would make sense but would require special kludges
1351 to deal with the cases where more than one signal has the same number. */
1354 return TARGET_SIGNAL_0;
1356 #if defined (SIGHUP)
1357 if (hostsig == SIGHUP)
1358 return TARGET_SIGNAL_HUP;
1360 #if defined (SIGINT)
1361 if (hostsig == SIGINT)
1362 return TARGET_SIGNAL_INT;
1364 #if defined (SIGQUIT)
1365 if (hostsig == SIGQUIT)
1366 return TARGET_SIGNAL_QUIT;
1368 #if defined (SIGILL)
1369 if (hostsig == SIGILL)
1370 return TARGET_SIGNAL_ILL;
1372 #if defined (SIGTRAP)
1373 if (hostsig == SIGTRAP)
1374 return TARGET_SIGNAL_TRAP;
1376 #if defined (SIGABRT)
1377 if (hostsig == SIGABRT)
1378 return TARGET_SIGNAL_ABRT;
1380 #if defined (SIGEMT)
1381 if (hostsig == SIGEMT)
1382 return TARGET_SIGNAL_EMT;
1384 #if defined (SIGFPE)
1385 if (hostsig == SIGFPE)
1386 return TARGET_SIGNAL_FPE;
1388 #if defined (SIGKILL)
1389 if (hostsig == SIGKILL)
1390 return TARGET_SIGNAL_KILL;
1392 #if defined (SIGBUS)
1393 if (hostsig == SIGBUS)
1394 return TARGET_SIGNAL_BUS;
1396 #if defined (SIGSEGV)
1397 if (hostsig == SIGSEGV)
1398 return TARGET_SIGNAL_SEGV;
1400 #if defined (SIGSYS)
1401 if (hostsig == SIGSYS)
1402 return TARGET_SIGNAL_SYS;
1404 #if defined (SIGPIPE)
1405 if (hostsig == SIGPIPE)
1406 return TARGET_SIGNAL_PIPE;
1408 #if defined (SIGALRM)
1409 if (hostsig == SIGALRM)
1410 return TARGET_SIGNAL_ALRM;
1412 #if defined (SIGTERM)
1413 if (hostsig == SIGTERM)
1414 return TARGET_SIGNAL_TERM;
1416 #if defined (SIGUSR1)
1417 if (hostsig == SIGUSR1)
1418 return TARGET_SIGNAL_USR1;
1420 #if defined (SIGUSR2)
1421 if (hostsig == SIGUSR2)
1422 return TARGET_SIGNAL_USR2;
1424 #if defined (SIGCLD)
1425 if (hostsig == SIGCLD)
1426 return TARGET_SIGNAL_CHLD;
1428 #if defined (SIGCHLD)
1429 if (hostsig == SIGCHLD)
1430 return TARGET_SIGNAL_CHLD;
1432 #if defined (SIGPWR)
1433 if (hostsig == SIGPWR)
1434 return TARGET_SIGNAL_PWR;
1436 #if defined (SIGWINCH)
1437 if (hostsig == SIGWINCH)
1438 return TARGET_SIGNAL_WINCH;
1440 #if defined (SIGURG)
1441 if (hostsig == SIGURG)
1442 return TARGET_SIGNAL_URG;
1445 if (hostsig == SIGIO)
1446 return TARGET_SIGNAL_IO;
1448 #if defined (SIGPOLL)
1449 if (hostsig == SIGPOLL)
1450 return TARGET_SIGNAL_POLL;
1452 #if defined (SIGSTOP)
1453 if (hostsig == SIGSTOP)
1454 return TARGET_SIGNAL_STOP;
1456 #if defined (SIGTSTP)
1457 if (hostsig == SIGTSTP)
1458 return TARGET_SIGNAL_TSTP;
1460 #if defined (SIGCONT)
1461 if (hostsig == SIGCONT)
1462 return TARGET_SIGNAL_CONT;
1464 #if defined (SIGTTIN)
1465 if (hostsig == SIGTTIN)
1466 return TARGET_SIGNAL_TTIN;
1468 #if defined (SIGTTOU)
1469 if (hostsig == SIGTTOU)
1470 return TARGET_SIGNAL_TTOU;
1472 #if defined (SIGVTALRM)
1473 if (hostsig == SIGVTALRM)
1474 return TARGET_SIGNAL_VTALRM;
1476 #if defined (SIGPROF)
1477 if (hostsig == SIGPROF)
1478 return TARGET_SIGNAL_PROF;
1480 #if defined (SIGXCPU)
1481 if (hostsig == SIGXCPU)
1482 return TARGET_SIGNAL_XCPU;
1484 #if defined (SIGXFSZ)
1485 if (hostsig == SIGXFSZ)
1486 return TARGET_SIGNAL_XFSZ;
1488 #if defined (SIGWIND)
1489 if (hostsig == SIGWIND)
1490 return TARGET_SIGNAL_WIND;
1492 #if defined (SIGPHONE)
1493 if (hostsig == SIGPHONE)
1494 return TARGET_SIGNAL_PHONE;
1496 #if defined (SIGLOST)
1497 if (hostsig == SIGLOST)
1498 return TARGET_SIGNAL_LOST;
1500 #if defined (SIGWAITING)
1501 if (hostsig == SIGWAITING)
1502 return TARGET_SIGNAL_WAITING;
1504 #if defined (SIGCANCEL)
1505 if (hostsig == SIGCANCEL)
1506 return TARGET_SIGNAL_CANCEL;
1508 #if defined (SIGLWP)
1509 if (hostsig == SIGLWP)
1510 return TARGET_SIGNAL_LWP;
1512 #if defined (SIGDANGER)
1513 if (hostsig == SIGDANGER)
1514 return TARGET_SIGNAL_DANGER;
1516 #if defined (SIGGRANT)
1517 if (hostsig == SIGGRANT)
1518 return TARGET_SIGNAL_GRANT;
1520 #if defined (SIGRETRACT)
1521 if (hostsig == SIGRETRACT)
1522 return TARGET_SIGNAL_RETRACT;
1524 #if defined (SIGMSG)
1525 if (hostsig == SIGMSG)
1526 return TARGET_SIGNAL_MSG;
1528 #if defined (SIGSOUND)
1529 if (hostsig == SIGSOUND)
1530 return TARGET_SIGNAL_SOUND;
1532 #if defined (SIGSAK)
1533 if (hostsig == SIGSAK)
1534 return TARGET_SIGNAL_SAK;
1536 #if defined (SIGPRIO)
1537 if (hostsig == SIGPRIO)
1538 return TARGET_SIGNAL_PRIO;
1541 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1542 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1543 if (hostsig == _NSIG + EXC_BAD_ACCESS)
1544 return TARGET_EXC_BAD_ACCESS;
1546 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1547 if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
1548 return TARGET_EXC_BAD_INSTRUCTION;
1550 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1551 if (hostsig == _NSIG + EXC_ARITHMETIC)
1552 return TARGET_EXC_ARITHMETIC;
1554 #if defined (EXC_EMULATION) && defined (_NSIG)
1555 if (hostsig == _NSIG + EXC_EMULATION)
1556 return TARGET_EXC_EMULATION;
1558 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1559 if (hostsig == _NSIG + EXC_SOFTWARE)
1560 return TARGET_EXC_SOFTWARE;
1562 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1563 if (hostsig == _NSIG + EXC_BREAKPOINT)
1564 return TARGET_EXC_BREAKPOINT;
1567 #if defined (SIGINFO)
1568 if (hostsig == SIGINFO)
1569 return TARGET_SIGNAL_INFO;
1572 #if defined (REALTIME_LO)
1573 if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
1574 return (enum target_signal)
1575 (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
1577 return TARGET_SIGNAL_UNKNOWN;
1581 target_signal_to_host (oursig)
1582 enum target_signal oursig;
1586 case TARGET_SIGNAL_0:
1589 #if defined (SIGHUP)
1590 case TARGET_SIGNAL_HUP:
1593 #if defined (SIGINT)
1594 case TARGET_SIGNAL_INT:
1597 #if defined (SIGQUIT)
1598 case TARGET_SIGNAL_QUIT:
1601 #if defined (SIGILL)
1602 case TARGET_SIGNAL_ILL:
1605 #if defined (SIGTRAP)
1606 case TARGET_SIGNAL_TRAP:
1609 #if defined (SIGABRT)
1610 case TARGET_SIGNAL_ABRT:
1613 #if defined (SIGEMT)
1614 case TARGET_SIGNAL_EMT:
1617 #if defined (SIGFPE)
1618 case TARGET_SIGNAL_FPE:
1621 #if defined (SIGKILL)
1622 case TARGET_SIGNAL_KILL:
1625 #if defined (SIGBUS)
1626 case TARGET_SIGNAL_BUS:
1629 #if defined (SIGSEGV)
1630 case TARGET_SIGNAL_SEGV:
1633 #if defined (SIGSYS)
1634 case TARGET_SIGNAL_SYS:
1637 #if defined (SIGPIPE)
1638 case TARGET_SIGNAL_PIPE:
1641 #if defined (SIGALRM)
1642 case TARGET_SIGNAL_ALRM:
1645 #if defined (SIGTERM)
1646 case TARGET_SIGNAL_TERM:
1649 #if defined (SIGUSR1)
1650 case TARGET_SIGNAL_USR1:
1653 #if defined (SIGUSR2)
1654 case TARGET_SIGNAL_USR2:
1657 #if defined (SIGCHLD) || defined (SIGCLD)
1658 case TARGET_SIGNAL_CHLD:
1659 #if defined (SIGCHLD)
1664 #endif /* SIGCLD or SIGCHLD */
1665 #if defined (SIGPWR)
1666 case TARGET_SIGNAL_PWR:
1669 #if defined (SIGWINCH)
1670 case TARGET_SIGNAL_WINCH:
1673 #if defined (SIGURG)
1674 case TARGET_SIGNAL_URG:
1678 case TARGET_SIGNAL_IO:
1681 #if defined (SIGPOLL)
1682 case TARGET_SIGNAL_POLL:
1685 #if defined (SIGSTOP)
1686 case TARGET_SIGNAL_STOP:
1689 #if defined (SIGTSTP)
1690 case TARGET_SIGNAL_TSTP:
1693 #if defined (SIGCONT)
1694 case TARGET_SIGNAL_CONT:
1697 #if defined (SIGTTIN)
1698 case TARGET_SIGNAL_TTIN:
1701 #if defined (SIGTTOU)
1702 case TARGET_SIGNAL_TTOU:
1705 #if defined (SIGVTALRM)
1706 case TARGET_SIGNAL_VTALRM:
1709 #if defined (SIGPROF)
1710 case TARGET_SIGNAL_PROF:
1713 #if defined (SIGXCPU)
1714 case TARGET_SIGNAL_XCPU:
1717 #if defined (SIGXFSZ)
1718 case TARGET_SIGNAL_XFSZ:
1721 #if defined (SIGWIND)
1722 case TARGET_SIGNAL_WIND:
1725 #if defined (SIGPHONE)
1726 case TARGET_SIGNAL_PHONE:
1729 #if defined (SIGLOST)
1730 case TARGET_SIGNAL_LOST:
1733 #if defined (SIGWAITING)
1734 case TARGET_SIGNAL_WAITING:
1737 #if defined (SIGCANCEL)
1738 case TARGET_SIGNAL_CANCEL:
1741 #if defined (SIGLWP)
1742 case TARGET_SIGNAL_LWP:
1745 #if defined (SIGDANGER)
1746 case TARGET_SIGNAL_DANGER:
1749 #if defined (SIGGRANT)
1750 case TARGET_SIGNAL_GRANT:
1753 #if defined (SIGRETRACT)
1754 case TARGET_SIGNAL_RETRACT:
1757 #if defined (SIGMSG)
1758 case TARGET_SIGNAL_MSG:
1761 #if defined (SIGSOUND)
1762 case TARGET_SIGNAL_SOUND:
1765 #if defined (SIGSAK)
1766 case TARGET_SIGNAL_SAK:
1769 #if defined (SIGPRIO)
1770 case TARGET_SIGNAL_PRIO:
1774 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1775 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1776 case TARGET_EXC_BAD_ACCESS:
1777 return _NSIG + EXC_BAD_ACCESS;
1779 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1780 case TARGET_EXC_BAD_INSTRUCTION:
1781 return _NSIG + EXC_BAD_INSTRUCTION;
1783 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1784 case TARGET_EXC_ARITHMETIC:
1785 return _NSIG + EXC_ARITHMETIC;
1787 #if defined (EXC_EMULATION) && defined (_NSIG)
1788 case TARGET_EXC_EMULATION:
1789 return _NSIG + EXC_EMULATION;
1791 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1792 case TARGET_EXC_SOFTWARE:
1793 return _NSIG + EXC_SOFTWARE;
1795 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1796 case TARGET_EXC_BREAKPOINT:
1797 return _NSIG + EXC_BREAKPOINT;
1800 #if defined (SIGINFO)
1801 case TARGET_SIGNAL_INFO:
1806 #if defined (REALTIME_LO)
1807 if (oursig >= TARGET_SIGNAL_REALTIME_33
1808 && oursig <= TARGET_SIGNAL_REALTIME_63)
1811 (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + REALTIME_LO;
1812 if (retsig < REALTIME_HI)
1816 /* The user might be trying to do "signal SIGSAK" where this system
1817 doesn't have SIGSAK. */
1818 warning ("Signal %s does not exist on this system.\n",
1819 target_signal_to_name (oursig));
1824 /* Helper function for child_wait and the Lynx derivatives of child_wait.
1825 HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
1826 translation of that in OURSTATUS. */
1828 store_waitstatus (ourstatus, hoststatus)
1829 struct target_waitstatus *ourstatus;
1832 #ifdef CHILD_SPECIAL_WAITSTATUS
1833 /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
1834 if it wants to deal with hoststatus. */
1835 if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus))
1839 if (WIFEXITED (hoststatus))
1841 ourstatus->kind = TARGET_WAITKIND_EXITED;
1842 ourstatus->value.integer = WEXITSTATUS (hoststatus);
1844 else if (!WIFSTOPPED (hoststatus))
1846 ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
1847 ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
1851 ourstatus->kind = TARGET_WAITKIND_STOPPED;
1852 ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
1856 /* In some circumstances we allow a command to specify a numeric
1857 signal. The idea is to keep these circumstances limited so that
1858 users (and scripts) develop portable habits. For comparison,
1859 POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
1860 numeric signal at all is obscelescent. We are slightly more
1861 lenient and allow 1-15 which should match host signal numbers on
1862 most systems. Use of symbolic signal names is strongly encouraged. */
1865 target_signal_from_command (num)
1868 if (num >= 1 && num <= 15)
1869 return (enum target_signal) num;
1870 error ("Only signals 1-15 are valid as numeric signals.\n\
1871 Use \"info signals\" for a list of symbolic signals.");
1874 /* Returns zero to leave the inferior alone, one to interrupt it. */
1875 int (*target_activity_function) PARAMS ((void));
1876 int target_activity_fd;
1878 /* Convert a normal process ID to a string. Returns the string in a static
1882 normal_pid_to_str (pid)
1885 static char buf[30];
1887 if (STREQ (current_target.to_shortname, "remote"))
1888 sprintf (buf, "thread %d\0", pid);
1890 sprintf (buf, "process %d\0", pid);
1895 /* Some targets (such as ttrace-based HPUX) don't allow us to request
1896 notification of inferior events such as fork and vork immediately
1897 after the inferior is created. (This because of how gdb gets an
1898 inferior created via invoking a shell to do it. In such a scenario,
1899 if the shell init file has commands in it, the shell will fork and
1900 exec for each of those commands, and we will see each such fork
1903 This function is used by all targets that allow us to request
1904 notification of forks, etc at inferior creation time; e.g., in
1905 target_acknowledge_forked_child.
1908 normal_target_post_startup_inferior (pid)
1911 /* This space intentionally left blank. */
1914 /* Set up the handful of non-empty slots needed by the dummy target
1918 init_dummy_target ()
1920 dummy_target.to_shortname = "None";
1921 dummy_target.to_longname = "None";
1922 dummy_target.to_doc = "";
1923 dummy_target.to_attach = find_default_attach;
1924 dummy_target.to_require_attach = find_default_require_attach;
1925 dummy_target.to_require_detach = find_default_require_detach;
1926 dummy_target.to_create_inferior = find_default_create_inferior;
1927 dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
1928 dummy_target.to_stratum = dummy_stratum;
1929 dummy_target.to_magic = OPS_MAGIC;
1933 static struct target_ops debug_target;
1936 debug_to_open (args, from_tty)
1940 debug_target.to_open (args, from_tty);
1942 fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty);
1946 debug_to_close (quitting)
1949 debug_target.to_close (quitting);
1951 fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting);
1955 debug_to_attach (args, from_tty)
1959 debug_target.to_attach (args, from_tty);
1961 fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty);
1966 debug_to_post_attach (pid)
1969 debug_target.to_post_attach (pid);
1971 fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid);
1975 debug_to_require_attach (args, from_tty)
1979 debug_target.to_require_attach (args, from_tty);
1981 fprintf_unfiltered (gdb_stdlog,
1982 "target_require_attach (%s, %d)\n", args, from_tty);
1986 debug_to_detach (args, from_tty)
1990 debug_target.to_detach (args, from_tty);
1992 fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty);
1996 debug_to_require_detach (pid, args, from_tty)
2001 debug_target.to_require_detach (pid, args, from_tty);
2003 fprintf_unfiltered (gdb_stdlog,
2004 "target_require_detach (%d, %s, %d)\n", pid, args, from_tty);
2008 debug_to_resume (pid, step, siggnal)
2011 enum target_signal siggnal;
2013 debug_target.to_resume (pid, step, siggnal);
2015 fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", pid,
2016 step ? "step" : "continue",
2017 target_signal_to_name (siggnal));
2021 debug_to_wait (pid, status)
2023 struct target_waitstatus *status;
2027 retval = debug_target.to_wait (pid, status);
2029 fprintf_unfiltered (gdb_stdlog,
2030 "target_wait (%d, status) = %d, ", pid, retval);
2031 fprintf_unfiltered (gdb_stdlog, "status->kind = ");
2032 switch (status->kind)
2034 case TARGET_WAITKIND_EXITED:
2035 fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n",
2036 status->value.integer);
2038 case TARGET_WAITKIND_STOPPED:
2039 fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n",
2040 target_signal_to_name (status->value.sig));
2042 case TARGET_WAITKIND_SIGNALLED:
2043 fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n",
2044 target_signal_to_name (status->value.sig));
2046 case TARGET_WAITKIND_LOADED:
2047 fprintf_unfiltered (gdb_stdlog, "loaded\n");
2049 case TARGET_WAITKIND_FORKED:
2050 fprintf_unfiltered (gdb_stdlog, "forked\n");
2052 case TARGET_WAITKIND_VFORKED:
2053 fprintf_unfiltered (gdb_stdlog, "vforked\n");
2055 case TARGET_WAITKIND_EXECD:
2056 fprintf_unfiltered (gdb_stdlog, "execd\n");
2058 case TARGET_WAITKIND_SPURIOUS:
2059 fprintf_unfiltered (gdb_stdlog, "spurious\n");
2062 fprintf_unfiltered (gdb_stdlog, "unknown???\n");
2070 debug_to_post_wait (pid, status)
2074 debug_target.to_post_wait (pid, status);
2076 fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
2081 debug_to_fetch_registers (regno)
2084 debug_target.to_fetch_registers (regno);
2086 fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)",
2087 regno != -1 ? REGISTER_NAME (regno) : "-1");
2089 fprintf_unfiltered (gdb_stdlog, " = 0x%x %d",
2090 (unsigned long) read_register (regno),
2091 read_register (regno));
2092 fprintf_unfiltered (gdb_stdlog, "\n");
2096 debug_to_store_registers (regno)
2099 debug_target.to_store_registers (regno);
2101 if (regno >= 0 && regno < NUM_REGS)
2102 fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%x %d\n",
2103 REGISTER_NAME (regno),
2104 (unsigned long) read_register (regno),
2105 (unsigned long) read_register (regno));
2107 fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno);
2111 debug_to_prepare_to_store ()
2113 debug_target.to_prepare_to_store ();
2115 fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n");
2119 debug_to_xfer_memory (memaddr, myaddr, len, write, target)
2124 struct target_ops *target;
2128 retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
2130 fprintf_unfiltered (gdb_stdlog,
2131 "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
2132 (unsigned int) memaddr, /* possable truncate long long */
2133 len, write ? "write" : "read", retval);
2141 fputs_unfiltered (", bytes =", gdb_stdlog);
2142 for (i = 0; i < retval; i++)
2144 if ((((long) &(myaddr[i])) & 0xf) == 0)
2145 fprintf_unfiltered (gdb_stdlog, "\n");
2146 fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff);
2150 fputc_unfiltered ('\n', gdb_stdlog);
2156 debug_to_files_info (target)
2157 struct target_ops *target;
2159 debug_target.to_files_info (target);
2161 fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n");
2165 debug_to_insert_breakpoint (addr, save)
2171 retval = debug_target.to_insert_breakpoint (addr, save);
2173 fprintf_unfiltered (gdb_stdlog,
2174 "target_insert_breakpoint (0x%x, xxx) = %d\n",
2175 (unsigned long) addr, retval);
2180 debug_to_remove_breakpoint (addr, save)
2186 retval = debug_target.to_remove_breakpoint (addr, save);
2188 fprintf_unfiltered (gdb_stdlog,
2189 "target_remove_breakpoint (0x%x, xxx) = %d\n",
2190 (unsigned long) addr, retval);
2195 debug_to_terminal_init ()
2197 debug_target.to_terminal_init ();
2199 fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n");
2203 debug_to_terminal_inferior ()
2205 debug_target.to_terminal_inferior ();
2207 fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n");
2211 debug_to_terminal_ours_for_output ()
2213 debug_target.to_terminal_ours_for_output ();
2215 fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n");
2219 debug_to_terminal_ours ()
2221 debug_target.to_terminal_ours ();
2223 fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n");
2227 debug_to_terminal_info (arg, from_tty)
2231 debug_target.to_terminal_info (arg, from_tty);
2233 fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg,
2240 debug_target.to_kill ();
2242 fprintf_unfiltered (gdb_stdlog, "target_kill ()\n");
2246 debug_to_load (args, from_tty)
2250 debug_target.to_load (args, from_tty);
2252 fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty);
2256 debug_to_lookup_symbol (name, addrp)
2262 retval = debug_target.to_lookup_symbol (name, addrp);
2264 fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name);
2270 debug_to_create_inferior (exec_file, args, env)
2275 debug_target.to_create_inferior (exec_file, args, env);
2277 fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n",
2282 debug_to_post_startup_inferior (pid)
2285 debug_target.to_post_startup_inferior (pid);
2287 fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
2292 debug_to_acknowledge_created_inferior (pid)
2295 debug_target.to_acknowledge_created_inferior (pid);
2297 fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n",
2302 debug_to_clone_and_follow_inferior (child_pid, followed_child)
2304 int *followed_child;
2306 debug_target.to_clone_and_follow_inferior (child_pid, followed_child);
2308 fprintf_unfiltered (gdb_stdlog,
2309 "target_clone_and_follow_inferior (%d, %d)\n",
2310 child_pid, *followed_child);
2314 debug_to_post_follow_inferior_by_clone ()
2316 debug_target.to_post_follow_inferior_by_clone ();
2318 fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n");
2322 debug_to_insert_fork_catchpoint (pid)
2327 retval = debug_target.to_insert_fork_catchpoint (pid);
2329 fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n",
2336 debug_to_remove_fork_catchpoint (pid)
2341 retval = debug_target.to_remove_fork_catchpoint (pid);
2343 fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n",
2350 debug_to_insert_vfork_catchpoint (pid)
2355 retval = debug_target.to_insert_vfork_catchpoint (pid);
2357 fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n",
2364 debug_to_remove_vfork_catchpoint (pid)
2369 retval = debug_target.to_remove_vfork_catchpoint (pid);
2371 fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n",
2378 debug_to_has_forked (pid, child_pid)
2384 has_forked = debug_target.to_has_forked (pid, child_pid);
2386 fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n",
2387 pid, *child_pid, has_forked);
2393 debug_to_has_vforked (pid, child_pid)
2399 has_vforked = debug_target.to_has_vforked (pid, child_pid);
2401 fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n",
2402 pid, *child_pid, has_vforked);
2408 debug_to_can_follow_vfork_prior_to_exec ()
2410 int can_immediately_follow_vfork;
2412 can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
2414 fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n",
2415 can_immediately_follow_vfork);
2417 return can_immediately_follow_vfork;
2421 debug_to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child)
2423 int followed_parent;
2427 debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child);
2429 fprintf_unfiltered (gdb_stdlog,
2430 "target_post_follow_vfork (%d, %d, %d, %d)\n",
2431 parent_pid, followed_parent, child_pid, followed_child);
2435 debug_to_insert_exec_catchpoint (pid)
2440 retval = debug_target.to_insert_exec_catchpoint (pid);
2442 fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n",
2449 debug_to_remove_exec_catchpoint (pid)
2454 retval = debug_target.to_remove_exec_catchpoint (pid);
2456 fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n",
2463 debug_to_has_execd (pid, execd_pathname)
2465 char **execd_pathname;
2469 has_execd = debug_target.to_has_execd (pid, execd_pathname);
2471 fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n",
2472 pid, (*execd_pathname ? *execd_pathname : "<NULL>"),
2479 debug_to_reported_exec_events_per_exec_call ()
2481 int reported_exec_events;
2483 reported_exec_events = debug_target.to_reported_exec_events_per_exec_call ();
2485 fprintf_unfiltered (gdb_stdlog,
2486 "target_reported_exec_events_per_exec_call () = %d\n",
2487 reported_exec_events);
2489 return reported_exec_events;
2493 debug_to_has_syscall_event (pid, kind, syscall_id)
2495 enum target_waitkind *kind;
2498 int has_syscall_event;
2499 char *kind_spelling = "??";
2501 has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id);
2502 if (has_syscall_event)
2506 case TARGET_WAITKIND_SYSCALL_ENTRY:
2507 kind_spelling = "SYSCALL_ENTRY";
2509 case TARGET_WAITKIND_SYSCALL_RETURN:
2510 kind_spelling = "SYSCALL_RETURN";
2517 fprintf_unfiltered (gdb_stdlog,
2518 "target_has_syscall_event (%d, %s, %d) = %d\n",
2519 pid, kind_spelling, *syscall_id, has_syscall_event);
2521 return has_syscall_event;
2525 debug_to_has_exited (pid, wait_status, exit_status)
2532 has_exited = debug_target.to_has_exited (pid, wait_status, exit_status);
2534 fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n",
2535 pid, wait_status, *exit_status, has_exited);
2541 debug_to_mourn_inferior ()
2543 debug_target.to_mourn_inferior ();
2545 fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n");
2553 retval = debug_target.to_can_run ();
2555 fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval);
2561 debug_to_notice_signals (pid)
2564 debug_target.to_notice_signals (pid);
2566 fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", pid);
2570 debug_to_thread_alive (pid)
2575 retval = debug_target.to_thread_alive (pid);
2577 fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
2586 debug_target.to_stop ();
2588 fprintf_unfiltered (gdb_stdlog, "target_stop ()\n");
2592 debug_to_query (type, req, resp, siz)
2600 retval = debug_target.to_query (type, req, resp, siz);
2602 fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval);
2608 debug_to_rcmd (char *command,
2609 struct gdb_file *outbuf)
2611 debug_target.to_rcmd (command, outbuf);
2612 fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command);
2615 static struct symtab_and_line *
2616 debug_to_enable_exception_callback (kind, enable)
2617 enum exception_event_kind kind;
2620 struct symtab_and_line *result;
2621 result = debug_target.to_enable_exception_callback (kind, enable);
2622 fprintf_unfiltered (gdb_stdlog,
2623 "target get_exception_callback_sal (%d, %d)\n",
2628 static struct exception_event_record *
2629 debug_to_get_current_exception_event ()
2631 struct exception_event_record *result;
2632 result = debug_target.to_get_current_exception_event ();
2633 fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n");
2638 debug_to_pid_to_exec_file (pid)
2643 exec_file = debug_target.to_pid_to_exec_file (pid);
2645 fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n",
2652 debug_to_core_file_to_sym_file (core)
2657 sym_file = debug_target.to_core_file_to_sym_file (core);
2659 fprintf_unfiltered (gdb_stdlog, "target_core_file_to_sym_file (%s) = %s\n",
2666 setup_target_debug ()
2668 memcpy (&debug_target, ¤t_target, sizeof debug_target);
2670 current_target.to_open = debug_to_open;
2671 current_target.to_close = debug_to_close;
2672 current_target.to_attach = debug_to_attach;
2673 current_target.to_post_attach = debug_to_post_attach;
2674 current_target.to_require_attach = debug_to_require_attach;
2675 current_target.to_detach = debug_to_detach;
2676 current_target.to_require_detach = debug_to_require_detach;
2677 current_target.to_resume = debug_to_resume;
2678 current_target.to_wait = debug_to_wait;
2679 current_target.to_post_wait = debug_to_post_wait;
2680 current_target.to_fetch_registers = debug_to_fetch_registers;
2681 current_target.to_store_registers = debug_to_store_registers;
2682 current_target.to_prepare_to_store = debug_to_prepare_to_store;
2683 current_target.to_xfer_memory = debug_to_xfer_memory;
2684 current_target.to_files_info = debug_to_files_info;
2685 current_target.to_insert_breakpoint = debug_to_insert_breakpoint;
2686 current_target.to_remove_breakpoint = debug_to_remove_breakpoint;
2687 current_target.to_terminal_init = debug_to_terminal_init;
2688 current_target.to_terminal_inferior = debug_to_terminal_inferior;
2689 current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output;
2690 current_target.to_terminal_ours = debug_to_terminal_ours;
2691 current_target.to_terminal_info = debug_to_terminal_info;
2692 current_target.to_kill = debug_to_kill;
2693 current_target.to_load = debug_to_load;
2694 current_target.to_lookup_symbol = debug_to_lookup_symbol;
2695 current_target.to_create_inferior = debug_to_create_inferior;
2696 current_target.to_post_startup_inferior = debug_to_post_startup_inferior;
2697 current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior;
2698 current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior;
2699 current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone;
2700 current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint;
2701 current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint;
2702 current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint;
2703 current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint;
2704 current_target.to_has_forked = debug_to_has_forked;
2705 current_target.to_has_vforked = debug_to_has_vforked;
2706 current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec;
2707 current_target.to_post_follow_vfork = debug_to_post_follow_vfork;
2708 current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint;
2709 current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint;
2710 current_target.to_has_execd = debug_to_has_execd;
2711 current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call;
2712 current_target.to_has_syscall_event = debug_to_has_syscall_event;
2713 current_target.to_has_exited = debug_to_has_exited;
2714 current_target.to_mourn_inferior = debug_to_mourn_inferior;
2715 current_target.to_can_run = debug_to_can_run;
2716 current_target.to_notice_signals = debug_to_notice_signals;
2717 current_target.to_thread_alive = debug_to_thread_alive;
2718 current_target.to_stop = debug_to_stop;
2719 current_target.to_query = debug_to_query;
2720 current_target.to_rcmd = debug_to_rcmd;
2721 current_target.to_enable_exception_callback = debug_to_enable_exception_callback;
2722 current_target.to_get_current_exception_event = debug_to_get_current_exception_event;
2723 current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file;
2724 current_target.to_core_file_to_sym_file = debug_to_core_file_to_sym_file;
2729 static char targ_desc[] =
2730 "Names of targets and files being debugged.\n\
2731 Shows the entire stack of targets currently in use (including the exec-file,\n\
2732 core-file, and process, if any), as well as the symbol file name.";
2735 do_monitor_command (char *cmd,
2738 if ((current_target.to_rcmd == (void*) tcomplain)
2739 || (current_target.to_rcmd == debug_to_rcmd
2740 && (debug_target.to_rcmd == (void*) tcomplain)))
2742 error ("\"monitor\" command not supported by this target.\n");
2744 target_rcmd (cmd, gdb_stdtarg);
2748 initialize_targets ()
2750 init_dummy_target ();
2751 push_target (&dummy_target);
2753 add_info ("target", target_info, targ_desc);
2754 add_info ("files", target_info, targ_desc);
2757 add_set_cmd ("targetdebug", class_maintenance, var_zinteger,
2758 (char *) &targetdebug,
2759 "Set target debugging.\n\
2760 When non-zero, target debugging is enabled.", &setlist),
2764 add_com ("monitor", class_obscure, do_monitor_command,
2765 "Send a command to the remote monitor (remote targets only).");
2767 if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))