1 /* Select target systems and architectures at runtime for GDB.
2 Copyright 1990, 1992-1995, 1998-2000 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
91 MYADDR. Returns 0 for success, errno code for failure (which
92 includes partial transfers -- if you want a more useful response to
93 partial transfers, try either target_read_memory_partial or
94 target_write_memory_partial). */
97 target_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr, int len,
98 int write, asection * bfd_section));
100 static void init_dummy_target PARAMS ((void));
103 debug_to_open PARAMS ((char *, int));
106 debug_to_close PARAMS ((int));
109 debug_to_attach PARAMS ((char *, int));
112 debug_to_detach PARAMS ((char *, int));
115 debug_to_resume PARAMS ((int, int, enum target_signal));
118 debug_to_wait PARAMS ((int, struct target_waitstatus *));
121 debug_to_fetch_registers PARAMS ((int));
124 debug_to_store_registers PARAMS ((int));
127 debug_to_prepare_to_store PARAMS ((void));
130 debug_to_xfer_memory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
133 debug_to_files_info PARAMS ((struct target_ops *));
136 debug_to_insert_breakpoint PARAMS ((CORE_ADDR, char *));
139 debug_to_remove_breakpoint PARAMS ((CORE_ADDR, char *));
142 debug_to_terminal_init PARAMS ((void));
145 debug_to_terminal_inferior PARAMS ((void));
148 debug_to_terminal_ours_for_output PARAMS ((void));
151 debug_to_terminal_ours PARAMS ((void));
154 debug_to_terminal_info PARAMS ((char *, int));
157 debug_to_kill PARAMS ((void));
160 debug_to_load PARAMS ((char *, int));
163 debug_to_lookup_symbol PARAMS ((char *, CORE_ADDR *));
166 debug_to_create_inferior PARAMS ((char *, char *, char **));
169 debug_to_mourn_inferior PARAMS ((void));
172 debug_to_can_run PARAMS ((void));
175 debug_to_notice_signals PARAMS ((int));
178 debug_to_thread_alive PARAMS ((int));
181 debug_to_stop PARAMS ((void));
183 static int debug_to_query PARAMS ((int /*char */ , char *, char *, int *));
185 /* Pointer to array of target architecture structures; the size of the
186 array; the current index into the array; the allocated size of the
188 struct target_ops **target_structs;
189 unsigned target_struct_size;
190 unsigned target_struct_index;
191 unsigned target_struct_allocsize;
192 #define DEFAULT_ALLOCSIZE 10
194 /* The initial current target, so that there is always a semi-valid
197 static struct target_ops dummy_target;
199 /* Top of target stack. */
201 struct target_stack_item *target_stack;
203 /* The target structure we are currently using to talk to a process
204 or file or whatever "inferior" we have. */
206 struct target_ops current_target;
208 /* Command list for target. */
210 static struct cmd_list_element *targetlist = NULL;
212 /* Nonzero if we are debugging an attached outside process
213 rather than an inferior. */
217 /* Non-zero if we want to see trace of target level stuff. */
219 static int targetdebug = 0;
221 static void setup_target_debug PARAMS ((void));
223 /* The user just typed 'target' without the name of a target. */
227 target_command (arg, from_tty)
231 fputs_filtered ("Argument required (target name). Try `help target'\n",
235 /* Add a possible target architecture to the list. */
239 struct target_ops *t;
243 target_struct_allocsize = DEFAULT_ALLOCSIZE;
244 target_structs = (struct target_ops **) xmalloc
245 (target_struct_allocsize * sizeof (*target_structs));
247 if (target_struct_size >= target_struct_allocsize)
249 target_struct_allocsize *= 2;
250 target_structs = (struct target_ops **)
251 xrealloc ((char *) target_structs,
252 target_struct_allocsize * sizeof (*target_structs));
254 target_structs[target_struct_size++] = t;
255 /* cleanup_target (t); */
257 if (targetlist == NULL)
258 add_prefix_cmd ("target", class_run, target_command,
259 "Connect to a target machine or process.\n\
260 The first argument is the type or protocol of the target machine.\n\
261 Remaining arguments are interpreted by the target protocol. For more\n\
262 information on the arguments for a particular protocol, type\n\
263 `help target ' followed by the protocol name.",
264 &targetlist, "target ", 0, &cmdlist);
265 add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist);
276 target_load (char *arg, int from_tty)
278 (*current_target.to_load) (arg, from_tty);
283 nomemory (memaddr, myaddr, len, write, t)
288 struct target_ops *t;
290 errno = EIO; /* Can't read/write this location */
291 return 0; /* No bytes handled */
297 error ("You can't do that when your target is `%s'",
298 current_target.to_shortname);
304 error ("You can't do that without a process to debug.");
309 nosymbol (name, addrp)
313 return 1; /* Symbol does not exist in target env */
323 error ("No run-time support for this");
329 default_terminal_info (args, from_tty)
333 printf_unfiltered ("No saved terminal information.\n");
336 /* This is the default target_create_inferior and target_attach function.
337 If the current target is executing, it asks whether to kill it off.
338 If this function returns without calling error(), it has killed off
339 the target, and the operation should be attempted. */
342 kill_or_be_killed (from_tty)
345 if (target_has_execution)
347 printf_unfiltered ("You are already running a program:\n");
348 target_files_info ();
349 if (query ("Kill it? "))
352 if (target_has_execution)
353 error ("Killing the program did not help.");
358 error ("Program not killed.");
365 maybe_kill_then_attach (args, from_tty)
369 kill_or_be_killed (from_tty);
370 target_attach (args, from_tty);
374 maybe_kill_then_create_inferior (exec, args, env)
379 kill_or_be_killed (0);
380 target_create_inferior (exec, args, env);
384 default_clone_and_follow_inferior (child_pid, followed_child)
388 target_clone_and_follow_inferior (child_pid, followed_child);
391 /* Clean up a target struct so it no longer has any zero pointers in it.
392 We default entries, at least to stubs that print error messages. */
396 struct target_ops *t;
399 #define de_fault(field, value) \
404 (void (*) (char *, int))
410 maybe_kill_then_attach);
411 de_fault (to_post_attach,
414 de_fault (to_require_attach,
415 maybe_kill_then_attach);
417 (void (*) (char *, int))
419 de_fault (to_require_detach,
420 (void (*) (int, char *, int))
423 (void (*) (int, int, enum target_signal))
426 (int (*) (int, struct target_waitstatus *))
428 de_fault (to_post_wait,
429 (void (*) (int, int))
431 de_fault (to_fetch_registers,
434 de_fault (to_store_registers,
437 de_fault (to_prepare_to_store,
440 de_fault (to_xfer_memory,
441 (int (*) (CORE_ADDR, char *, int, int, struct target_ops *))
443 de_fault (to_files_info,
444 (void (*) (struct target_ops *))
446 de_fault (to_insert_breakpoint,
447 memory_insert_breakpoint);
448 de_fault (to_remove_breakpoint,
449 memory_remove_breakpoint);
450 de_fault (to_terminal_init,
453 de_fault (to_terminal_inferior,
456 de_fault (to_terminal_ours_for_output,
459 de_fault (to_terminal_ours,
462 de_fault (to_terminal_info,
463 default_terminal_info);
468 (void (*) (char *, int))
470 de_fault (to_lookup_symbol,
471 (int (*) (char *, CORE_ADDR *))
473 de_fault (to_create_inferior,
474 maybe_kill_then_create_inferior);
475 de_fault (to_post_startup_inferior,
478 de_fault (to_acknowledge_created_inferior,
481 de_fault (to_clone_and_follow_inferior,
482 default_clone_and_follow_inferior);
483 de_fault (to_post_follow_inferior_by_clone,
486 de_fault (to_insert_fork_catchpoint,
489 de_fault (to_remove_fork_catchpoint,
492 de_fault (to_insert_vfork_catchpoint,
495 de_fault (to_remove_vfork_catchpoint,
498 de_fault (to_has_forked,
499 (int (*) (int, int *))
501 de_fault (to_has_vforked,
502 (int (*) (int, int *))
504 de_fault (to_can_follow_vfork_prior_to_exec,
507 de_fault (to_post_follow_vfork,
508 (void (*) (int, int, int, int))
510 de_fault (to_insert_exec_catchpoint,
513 de_fault (to_remove_exec_catchpoint,
516 de_fault (to_has_execd,
517 (int (*) (int, char **))
519 de_fault (to_reported_exec_events_per_exec_call,
522 de_fault (to_has_syscall_event,
523 (int (*) (int, enum target_waitkind *, int *))
525 de_fault (to_has_exited,
526 (int (*) (int, int, int *))
528 de_fault (to_mourn_inferior,
531 de_fault (to_can_run,
533 de_fault (to_notice_signals,
536 de_fault (to_thread_alive,
539 de_fault (to_find_new_threads,
542 de_fault (to_extra_thread_info,
543 (char *(*) (struct thread_info *))
549 (int (*) (int, char *, char *, int *))
552 (void (*) (char *, struct ui_file *))
554 de_fault (to_enable_exception_callback,
555 (struct symtab_and_line * (*) (enum exception_event_kind, int))
557 de_fault (to_get_current_exception_event,
558 (struct exception_event_record * (*) (void))
560 de_fault (to_pid_to_exec_file,
563 de_fault (to_core_file_to_sym_file,
566 de_fault (to_can_async_p,
569 de_fault (to_is_async_p,
573 (void (*) (void (*) (enum inferior_event_type, void*), void*))
578 /* Go through the target stack from top to bottom, copying over zero entries in
579 current_target. In effect, we are doing class inheritance through the
580 pushed target vectors. */
583 update_current_target ()
585 struct target_stack_item *item;
586 struct target_ops *t;
588 /* First, reset current_target */
589 memset (¤t_target, 0, sizeof current_target);
591 for (item = target_stack; item; item = item->next)
593 t = item->target_ops;
595 #define INHERIT(FIELD, TARGET) \
596 if (!current_target.FIELD) \
597 current_target.FIELD = TARGET->FIELD
599 INHERIT (to_shortname, t);
600 INHERIT (to_longname, t);
602 INHERIT (to_open, t);
603 INHERIT (to_close, t);
604 INHERIT (to_attach, t);
605 INHERIT (to_post_attach, t);
606 INHERIT (to_require_attach, t);
607 INHERIT (to_detach, t);
608 INHERIT (to_require_detach, t);
609 INHERIT (to_resume, t);
610 INHERIT (to_wait, t);
611 INHERIT (to_post_wait, t);
612 INHERIT (to_fetch_registers, t);
613 INHERIT (to_store_registers, t);
614 INHERIT (to_prepare_to_store, t);
615 INHERIT (to_xfer_memory, t);
616 INHERIT (to_files_info, t);
617 INHERIT (to_insert_breakpoint, t);
618 INHERIT (to_remove_breakpoint, t);
619 INHERIT (to_terminal_init, t);
620 INHERIT (to_terminal_inferior, t);
621 INHERIT (to_terminal_ours_for_output, t);
622 INHERIT (to_terminal_ours, t);
623 INHERIT (to_terminal_info, t);
624 INHERIT (to_kill, t);
625 INHERIT (to_load, t);
626 INHERIT (to_lookup_symbol, t);
627 INHERIT (to_create_inferior, t);
628 INHERIT (to_post_startup_inferior, t);
629 INHERIT (to_acknowledge_created_inferior, t);
630 INHERIT (to_clone_and_follow_inferior, t);
631 INHERIT (to_post_follow_inferior_by_clone, t);
632 INHERIT (to_insert_fork_catchpoint, t);
633 INHERIT (to_remove_fork_catchpoint, t);
634 INHERIT (to_insert_vfork_catchpoint, t);
635 INHERIT (to_remove_vfork_catchpoint, t);
636 INHERIT (to_has_forked, t);
637 INHERIT (to_has_vforked, t);
638 INHERIT (to_can_follow_vfork_prior_to_exec, t);
639 INHERIT (to_post_follow_vfork, t);
640 INHERIT (to_insert_exec_catchpoint, t);
641 INHERIT (to_remove_exec_catchpoint, t);
642 INHERIT (to_has_execd, t);
643 INHERIT (to_reported_exec_events_per_exec_call, t);
644 INHERIT (to_has_syscall_event, t);
645 INHERIT (to_has_exited, t);
646 INHERIT (to_mourn_inferior, t);
647 INHERIT (to_can_run, t);
648 INHERIT (to_notice_signals, t);
649 INHERIT (to_thread_alive, t);
650 INHERIT (to_find_new_threads, t);
651 INHERIT (to_pid_to_str, t);
652 INHERIT (to_extra_thread_info, t);
653 INHERIT (to_stop, t);
654 INHERIT (to_query, t);
655 INHERIT (to_rcmd, t);
656 INHERIT (to_enable_exception_callback, t);
657 INHERIT (to_get_current_exception_event, t);
658 INHERIT (to_pid_to_exec_file, t);
659 INHERIT (to_core_file_to_sym_file, t);
660 INHERIT (to_stratum, t);
661 INHERIT (DONT_USE, t);
662 INHERIT (to_has_all_memory, t);
663 INHERIT (to_has_memory, t);
664 INHERIT (to_has_stack, t);
665 INHERIT (to_has_registers, t);
666 INHERIT (to_has_execution, t);
667 INHERIT (to_has_thread_control, t);
668 INHERIT (to_sections, t);
669 INHERIT (to_sections_end, t);
670 INHERIT (to_can_async_p, t);
671 INHERIT (to_is_async_p, t);
672 INHERIT (to_async, t);
673 INHERIT (to_async_mask_value, t);
674 INHERIT (to_magic, t);
680 /* Push a new target type into the stack of the existing target accessors,
681 possibly superseding some of the existing accessors.
683 Result is zero if the pushed target ended up on top of the stack,
684 nonzero if at least one target is on top of it.
686 Rather than allow an empty stack, we always have the dummy target at
687 the bottom stratum, so we can call the function vectors without
692 struct target_ops *t;
694 struct target_stack_item *cur, *prev, *tmp;
696 /* Check magic number. If wrong, it probably means someone changed
697 the struct definition, but not all the places that initialize one. */
698 if (t->to_magic != OPS_MAGIC)
700 fprintf_unfiltered (gdb_stderr,
701 "Magic number of %s target struct wrong\n",
706 /* Find the proper stratum to install this target in. */
708 for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next)
710 if ((int) (t->to_stratum) >= (int) (cur->target_ops->to_stratum))
714 /* If there's already targets at this stratum, remove them. */
717 while (t->to_stratum == cur->target_ops->to_stratum)
719 /* There's already something on this stratum. Close it off. */
720 if (cur->target_ops->to_close)
721 (cur->target_ops->to_close) (0);
723 prev->next = cur->next; /* Unchain old target_ops */
725 target_stack = cur->next; /* Unchain first on list */
731 /* We have removed all targets in our stratum, now add the new one. */
733 tmp = (struct target_stack_item *)
734 xmalloc (sizeof (struct target_stack_item));
743 update_current_target ();
745 cleanup_target (¤t_target); /* Fill in the gaps */
748 setup_target_debug ();
753 /* Remove a target_ops vector from the stack, wherever it may be.
754 Return how many times it was removed (0 or 1). */
758 struct target_ops *t;
760 struct target_stack_item *cur, *prev;
763 t->to_close (0); /* Let it clean up */
765 /* Look for the specified target. Note that we assume that a target
766 can only occur once in the target stack. */
768 for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next)
769 if (cur->target_ops == t)
773 return 0; /* Didn't find target_ops, quit now */
775 /* Unchain the target */
778 target_stack = cur->next;
780 prev->next = cur->next;
782 free (cur); /* Release the target_stack_item */
784 update_current_target ();
785 cleanup_target (¤t_target);
793 (current_target.to_close) (0); /* Let it clean up */
794 if (unpush_target (target_stack->target_ops) == 1)
797 fprintf_unfiltered (gdb_stderr,
798 "pop_target couldn't find target %s\n",
799 current_target.to_shortname);
804 #define MIN(A, B) (((A) <= (B)) ? (A) : (B))
806 /* target_read_string -- read a null terminated string, up to LEN bytes,
807 from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful.
808 Set *STRING to a pointer to malloc'd memory containing the data; the caller
809 is responsible for freeing it. Return the number of bytes successfully
813 target_read_string (memaddr, string, len, errnop)
819 int tlen, origlen, offset, i;
823 int buffer_allocated;
825 unsigned int nbytes_read = 0;
827 /* Small for testing. */
828 buffer_allocated = 4;
829 buffer = xmalloc (buffer_allocated);
836 tlen = MIN (len, 4 - (memaddr & 3));
837 offset = memaddr & 3;
839 errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0, NULL);
842 /* The transfer request might have crossed the boundary to an
843 unallocated region of memory. Retry the transfer, requesting
847 errcode = target_xfer_memory (memaddr, buf, 1, 0, NULL);
852 if (bufptr - buffer + tlen > buffer_allocated)
855 bytes = bufptr - buffer;
856 buffer_allocated *= 2;
857 buffer = xrealloc (buffer, buffer_allocated);
858 bufptr = buffer + bytes;
861 for (i = 0; i < tlen; i++)
863 *bufptr++ = buf[i + offset];
864 if (buf[i + offset] == '\000')
866 nbytes_read += i + 1;
883 /* Read LEN bytes of target memory at address MEMADDR, placing the results in
884 GDB's memory at MYADDR. Returns either 0 for success or an errno value
887 If an error occurs, no guarantee is made about the contents of the data at
888 MYADDR. In particular, the caller should not depend upon partial reads
889 filling the buffer with good data. There is no way for the caller to know
890 how much good data might have been transfered anyway. Callers that can
891 deal with partial reads should call target_read_memory_partial. */
894 target_read_memory (memaddr, myaddr, len)
899 return target_xfer_memory (memaddr, myaddr, len, 0, NULL);
903 target_read_memory_section (memaddr, myaddr, len, bfd_section)
907 asection *bfd_section;
909 return target_xfer_memory (memaddr, myaddr, len, 0, bfd_section);
913 target_write_memory (memaddr, myaddr, len)
918 return target_xfer_memory (memaddr, myaddr, len, 1, NULL);
921 /* This variable is used to pass section information down to targets. This
922 *should* be done by adding an argument to the target_xfer_memory function
923 of all the targets, but I didn't feel like changing 50+ files. */
925 asection *target_memory_bfd_section = NULL;
927 /* Move memory to or from the targets. Iterate until all of it has
928 been moved, if necessary. The top target gets priority; anything
929 it doesn't want, is offered to the next one down, etc. Note the
930 business with curlen: if an early target says "no, but I have a
931 boundary overlapping this xfer" then we shorten what we offer to
932 the subsequent targets so the early guy will get a chance at the
933 tail before the subsequent ones do.
935 Result is 0 or errno value. */
938 target_xfer_memory (memaddr, myaddr, len, write, bfd_section)
943 asection *bfd_section;
947 struct target_ops *t;
948 struct target_stack_item *item;
950 /* Zero length requests are ok and require no work. */
954 target_memory_bfd_section = bfd_section;
956 /* to_xfer_memory is not guaranteed to set errno, even when it returns
960 /* The quick case is that the top target does it all. */
961 res = current_target.to_xfer_memory
962 (memaddr, myaddr, len, write, ¤t_target);
968 /* If res <= 0 then we call it again in the loop. Ah well. */
972 curlen = len; /* Want to do it all */
973 for (item = target_stack; item; item = item->next)
975 t = item->target_ops;
976 if (!t->to_has_memory)
979 res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t);
981 break; /* Handled all or part of xfer */
982 if (t->to_has_all_memory)
988 /* If this address is for nonexistent memory,
989 read zeros if reading, or do nothing if writing. Return error. */
991 memset (myaddr, 0, len);
1002 return 0; /* We managed to cover it all somehow. */
1006 /* Perform a partial memory transfer. */
1009 target_xfer_memory_partial (CORE_ADDR memaddr, char *buf, int len,
1010 int write_p, int *err)
1015 struct target_ops *t;
1016 struct target_stack_item *item;
1018 /* Zero length requests are ok and require no work. */
1025 /* The quick case is that the top target does it all. */
1026 res = current_target.to_xfer_memory (memaddr, buf, len, write_p, ¤t_target);
1033 /* xfer memory doesn't always reliably set errno. */
1036 /* Try all levels of the target stack to see one can handle it. */
1037 for (item = target_stack; item; item = item->next)
1039 t = item->target_ops;
1040 if (!t->to_has_memory)
1042 res = t->to_xfer_memory (memaddr, buf, len, write_p, t);
1045 /* Handled all or part of xfer */
1049 if (t->to_has_all_memory)
1053 /* Total failure. Return error. */
1064 target_read_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
1066 return target_xfer_memory_partial (memaddr, buf, len, 0, err);
1070 target_write_memory_partial (CORE_ADDR memaddr, char *buf, int len, int *err)
1072 return target_xfer_memory_partial (memaddr, buf, len, 1, err);
1077 target_info (args, from_tty)
1081 struct target_ops *t;
1082 struct target_stack_item *item;
1083 int has_all_mem = 0;
1085 if (symfile_objfile != NULL)
1086 printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name);
1088 #ifdef FILES_INFO_HOOK
1089 if (FILES_INFO_HOOK ())
1093 for (item = target_stack; item; item = item->next)
1095 t = item->target_ops;
1097 if (!t->to_has_memory)
1100 if ((int) (t->to_stratum) <= (int) dummy_stratum)
1103 printf_unfiltered ("\tWhile running this, GDB does not access memory from...\n");
1104 printf_unfiltered ("%s:\n", t->to_longname);
1105 (t->to_files_info) (t);
1106 has_all_mem = t->to_has_all_memory;
1110 /* This is to be called by the open routine before it does
1114 target_preopen (from_tty)
1119 if (target_has_execution)
1122 || query ("A program is being debugged already. Kill it? "))
1125 error ("Program not killed.");
1128 /* Calling target_kill may remove the target from the stack. But if
1129 it doesn't (which seems like a win for UDI), remove it now. */
1131 if (target_has_execution)
1135 /* Detach a target after doing deferred register stores. */
1138 target_detach (args, from_tty)
1142 /* Handle any optimized stores to the inferior. */
1143 #ifdef DO_DEFERRED_STORES
1146 (current_target.to_detach) (args, from_tty);
1150 target_link (modname, t_reloc)
1154 if (STREQ (current_target.to_shortname, "rombug"))
1156 (current_target.to_lookup_symbol) (modname, t_reloc);
1158 error ("Unable to link to %s and get relocation in rombug", modname);
1161 *t_reloc = (CORE_ADDR) -1;
1165 target_async_mask (int mask)
1167 int saved_async_masked_status = target_async_mask_value;
1168 target_async_mask_value = mask;
1169 return saved_async_masked_status;
1172 /* Look through the list of possible targets for a target that can
1173 execute a run or attach command without any other data. This is
1174 used to locate the default process stratum.
1176 Result is always valid (error() is called for errors). */
1178 static struct target_ops *
1179 find_default_run_target (do_mesg)
1182 struct target_ops **t;
1183 struct target_ops *runable = NULL;
1188 for (t = target_structs; t < target_structs + target_struct_size;
1191 if ((*t)->to_can_run && target_can_run (*t))
1199 error ("Don't know how to %s. Try \"help target\".", do_mesg);
1205 find_default_attach (args, from_tty)
1209 struct target_ops *t;
1211 t = find_default_run_target ("attach");
1212 (t->to_attach) (args, from_tty);
1217 find_default_require_attach (args, from_tty)
1221 struct target_ops *t;
1223 t = find_default_run_target ("require_attach");
1224 (t->to_require_attach) (args, from_tty);
1229 find_default_require_detach (pid, args, from_tty)
1234 struct target_ops *t;
1236 t = find_default_run_target ("require_detach");
1237 (t->to_require_detach) (pid, args, from_tty);
1242 find_default_create_inferior (exec_file, allargs, env)
1247 struct target_ops *t;
1249 t = find_default_run_target ("run");
1250 (t->to_create_inferior) (exec_file, allargs, env);
1255 find_default_clone_and_follow_inferior (child_pid, followed_child)
1257 int *followed_child;
1259 struct target_ops *t;
1261 t = find_default_run_target ("run");
1262 (t->to_clone_and_follow_inferior) (child_pid, followed_child);
1279 * Resize the to_sections pointer. Also make sure that anyone that
1280 * was holding on to an old value of it gets updated.
1281 * Returns the old size.
1285 target_resize_to_sections (struct target_ops *target, int num_added)
1287 struct target_ops **t;
1288 struct section_table *old_value;
1291 old_value = target->to_sections;
1293 if (target->to_sections)
1295 old_count = target->to_sections_end - target->to_sections;
1296 target->to_sections = (struct section_table *)
1297 xrealloc ((char *) target->to_sections,
1298 (sizeof (struct section_table)) * (num_added + old_count));
1303 target->to_sections = (struct section_table *)
1304 xmalloc ((sizeof (struct section_table)) * num_added);
1306 target->to_sections_end = target->to_sections + (num_added + old_count);
1308 /* Check to see if anyone else was pointing to this structure.
1309 If old_value was null, then no one was. */
1313 for (t = target_structs; t < target_structs + target_struct_size;
1316 if ((*t)->to_sections == old_value)
1318 (*t)->to_sections = target->to_sections;
1319 (*t)->to_sections_end = target->to_sections_end;
1328 /* Remove all target sections taken from ABFD.
1330 Scan the current target stack for targets whose section tables
1331 refer to sections from BFD, and remove those sections. We use this
1332 when we notice that the inferior has unloaded a shared object, for
1335 remove_target_sections (bfd *abfd)
1337 struct target_ops **t;
1339 for (t = target_structs; t < target_structs + target_struct_size; t++)
1341 struct section_table *src, *dest;
1343 dest = (*t)->to_sections;
1344 for (src = (*t)->to_sections; src < (*t)->to_sections_end; src++)
1345 if (src->bfd != abfd)
1347 /* Keep this section. */
1348 if (dest < src) *dest = *src;
1352 /* If we've dropped any sections, resize the section table. */
1354 target_resize_to_sections (*t, dest - src);
1361 /* Find a single runnable target in the stack and return it. If for
1362 some reason there is more than one, return NULL. */
1367 struct target_ops **t;
1368 struct target_ops *runable = NULL;
1373 for (t = target_structs; t < target_structs + target_struct_size; ++t)
1375 if ((*t)->to_can_run && target_can_run (*t))
1382 return (count == 1 ? runable : NULL);
1385 /* Find a single core_stratum target in the list of targets and return it.
1386 If for some reason there is more than one, return NULL. */
1391 struct target_ops **t;
1392 struct target_ops *runable = NULL;
1397 for (t = target_structs; t < target_structs + target_struct_size;
1400 if ((*t)->to_stratum == core_stratum)
1407 return (count == 1 ? runable : NULL);
1411 * Find the next target down the stack from the specified target.
1415 find_target_beneath (t)
1416 struct target_ops *t;
1418 struct target_stack_item *cur;
1420 for (cur = target_stack; cur; cur = cur->next)
1421 if (cur->target_ops == t)
1424 if (cur == NULL || cur->next == NULL)
1427 return cur->next->target_ops;
1431 /* The inferior process has died. Long live the inferior! */
1434 generic_mourn_inferior ()
1436 extern int show_breakpoint_hit_counts;
1440 breakpoint_init_inferior (inf_exited);
1441 registers_changed ();
1443 #ifdef CLEAR_DEFERRED_STORES
1444 /* Delete any pending stores to the inferior... */
1445 CLEAR_DEFERRED_STORES;
1448 reopen_exec_file ();
1449 reinit_frame_cache ();
1451 /* It is confusing to the user for ignore counts to stick around
1452 from previous runs of the inferior. So clear them. */
1453 /* However, it is more confusing for the ignore counts to disappear when
1454 using hit counts. So don't clear them if we're counting hits. */
1455 if (!show_breakpoint_hit_counts)
1456 breakpoint_clear_ignore_counts ();
1459 /* This table must match in order and size the signals in enum target_signal
1468 {"SIGHUP", "Hangup"},
1469 {"SIGINT", "Interrupt"},
1470 {"SIGQUIT", "Quit"},
1471 {"SIGILL", "Illegal instruction"},
1472 {"SIGTRAP", "Trace/breakpoint trap"},
1473 {"SIGABRT", "Aborted"},
1474 {"SIGEMT", "Emulation trap"},
1475 {"SIGFPE", "Arithmetic exception"},
1476 {"SIGKILL", "Killed"},
1477 {"SIGBUS", "Bus error"},
1478 {"SIGSEGV", "Segmentation fault"},
1479 {"SIGSYS", "Bad system call"},
1480 {"SIGPIPE", "Broken pipe"},
1481 {"SIGALRM", "Alarm clock"},
1482 {"SIGTERM", "Terminated"},
1483 {"SIGURG", "Urgent I/O condition"},
1484 {"SIGSTOP", "Stopped (signal)"},
1485 {"SIGTSTP", "Stopped (user)"},
1486 {"SIGCONT", "Continued"},
1487 {"SIGCHLD", "Child status changed"},
1488 {"SIGTTIN", "Stopped (tty input)"},
1489 {"SIGTTOU", "Stopped (tty output)"},
1490 {"SIGIO", "I/O possible"},
1491 {"SIGXCPU", "CPU time limit exceeded"},
1492 {"SIGXFSZ", "File size limit exceeded"},
1493 {"SIGVTALRM", "Virtual timer expired"},
1494 {"SIGPROF", "Profiling timer expired"},
1495 {"SIGWINCH", "Window size changed"},
1496 {"SIGLOST", "Resource lost"},
1497 {"SIGUSR1", "User defined signal 1"},
1498 {"SIGUSR2", "User defined signal 2"},
1499 {"SIGPWR", "Power fail/restart"},
1500 {"SIGPOLL", "Pollable event occurred"},
1501 {"SIGWIND", "SIGWIND"},
1502 {"SIGPHONE", "SIGPHONE"},
1503 {"SIGWAITING", "Process's LWPs are blocked"},
1504 {"SIGLWP", "Signal LWP"},
1505 {"SIGDANGER", "Swap space dangerously low"},
1506 {"SIGGRANT", "Monitor mode granted"},
1507 {"SIGRETRACT", "Need to relinquish monitor mode"},
1508 {"SIGMSG", "Monitor mode data available"},
1509 {"SIGSOUND", "Sound completed"},
1510 {"SIGSAK", "Secure attention"},
1511 {"SIGPRIO", "SIGPRIO"},
1512 {"SIG33", "Real-time event 33"},
1513 {"SIG34", "Real-time event 34"},
1514 {"SIG35", "Real-time event 35"},
1515 {"SIG36", "Real-time event 36"},
1516 {"SIG37", "Real-time event 37"},
1517 {"SIG38", "Real-time event 38"},
1518 {"SIG39", "Real-time event 39"},
1519 {"SIG40", "Real-time event 40"},
1520 {"SIG41", "Real-time event 41"},
1521 {"SIG42", "Real-time event 42"},
1522 {"SIG43", "Real-time event 43"},
1523 {"SIG44", "Real-time event 44"},
1524 {"SIG45", "Real-time event 45"},
1525 {"SIG46", "Real-time event 46"},
1526 {"SIG47", "Real-time event 47"},
1527 {"SIG48", "Real-time event 48"},
1528 {"SIG49", "Real-time event 49"},
1529 {"SIG50", "Real-time event 50"},
1530 {"SIG51", "Real-time event 51"},
1531 {"SIG52", "Real-time event 52"},
1532 {"SIG53", "Real-time event 53"},
1533 {"SIG54", "Real-time event 54"},
1534 {"SIG55", "Real-time event 55"},
1535 {"SIG56", "Real-time event 56"},
1536 {"SIG57", "Real-time event 57"},
1537 {"SIG58", "Real-time event 58"},
1538 {"SIG59", "Real-time event 59"},
1539 {"SIG60", "Real-time event 60"},
1540 {"SIG61", "Real-time event 61"},
1541 {"SIG62", "Real-time event 62"},
1542 {"SIG63", "Real-time event 63"},
1543 {"SIGCANCEL", "LWP internal signal"},
1544 {"SIG32", "Real-time event 32"},
1546 #if defined(MACH) || defined(__MACH__)
1547 /* Mach exceptions */
1548 {"EXC_BAD_ACCESS", "Could not access memory"},
1549 {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
1550 {"EXC_ARITHMETIC", "Arithmetic exception"},
1551 {"EXC_EMULATION", "Emulation instruction"},
1552 {"EXC_SOFTWARE", "Software generated exception"},
1553 {"EXC_BREAKPOINT", "Breakpoint"},
1555 {"SIGINFO", "Information request"},
1557 {NULL, "Unknown signal"},
1558 {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
1560 /* Last entry, used to check whether the table is the right size. */
1561 {NULL, "TARGET_SIGNAL_MAGIC"}
1567 /* Return the string for a signal. */
1569 target_signal_to_string (sig)
1570 enum target_signal sig;
1572 if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST))
1573 return signals[sig].string;
1575 return signals[TARGET_SIGNAL_UNKNOWN].string;
1578 /* Return the name for a signal. */
1580 target_signal_to_name (sig)
1581 enum target_signal sig;
1583 if (sig == TARGET_SIGNAL_UNKNOWN)
1584 /* I think the code which prints this will always print it along with
1585 the string, so no need to be verbose. */
1587 return signals[sig].name;
1590 /* Given a name, return its signal. */
1592 target_signal_from_name (name)
1595 enum target_signal sig;
1597 /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
1598 for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
1599 questionable; seems like by now people should call it SIGABRT
1602 /* This ugly cast brought to you by the native VAX compiler. */
1603 for (sig = TARGET_SIGNAL_HUP;
1604 signals[sig].name != NULL;
1605 sig = (enum target_signal) ((int) sig + 1))
1606 if (STREQ (name, signals[sig].name))
1608 return TARGET_SIGNAL_UNKNOWN;
1611 /* The following functions are to help certain targets deal
1612 with the signal/waitstatus stuff. They could just as well be in
1613 a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
1615 /* Convert host signal to our signals. */
1617 target_signal_from_host (hostsig)
1620 /* A switch statement would make sense but would require special kludges
1621 to deal with the cases where more than one signal has the same number. */
1624 return TARGET_SIGNAL_0;
1626 #if defined (SIGHUP)
1627 if (hostsig == SIGHUP)
1628 return TARGET_SIGNAL_HUP;
1630 #if defined (SIGINT)
1631 if (hostsig == SIGINT)
1632 return TARGET_SIGNAL_INT;
1634 #if defined (SIGQUIT)
1635 if (hostsig == SIGQUIT)
1636 return TARGET_SIGNAL_QUIT;
1638 #if defined (SIGILL)
1639 if (hostsig == SIGILL)
1640 return TARGET_SIGNAL_ILL;
1642 #if defined (SIGTRAP)
1643 if (hostsig == SIGTRAP)
1644 return TARGET_SIGNAL_TRAP;
1646 #if defined (SIGABRT)
1647 if (hostsig == SIGABRT)
1648 return TARGET_SIGNAL_ABRT;
1650 #if defined (SIGEMT)
1651 if (hostsig == SIGEMT)
1652 return TARGET_SIGNAL_EMT;
1654 #if defined (SIGFPE)
1655 if (hostsig == SIGFPE)
1656 return TARGET_SIGNAL_FPE;
1658 #if defined (SIGKILL)
1659 if (hostsig == SIGKILL)
1660 return TARGET_SIGNAL_KILL;
1662 #if defined (SIGBUS)
1663 if (hostsig == SIGBUS)
1664 return TARGET_SIGNAL_BUS;
1666 #if defined (SIGSEGV)
1667 if (hostsig == SIGSEGV)
1668 return TARGET_SIGNAL_SEGV;
1670 #if defined (SIGSYS)
1671 if (hostsig == SIGSYS)
1672 return TARGET_SIGNAL_SYS;
1674 #if defined (SIGPIPE)
1675 if (hostsig == SIGPIPE)
1676 return TARGET_SIGNAL_PIPE;
1678 #if defined (SIGALRM)
1679 if (hostsig == SIGALRM)
1680 return TARGET_SIGNAL_ALRM;
1682 #if defined (SIGTERM)
1683 if (hostsig == SIGTERM)
1684 return TARGET_SIGNAL_TERM;
1686 #if defined (SIGUSR1)
1687 if (hostsig == SIGUSR1)
1688 return TARGET_SIGNAL_USR1;
1690 #if defined (SIGUSR2)
1691 if (hostsig == SIGUSR2)
1692 return TARGET_SIGNAL_USR2;
1694 #if defined (SIGCLD)
1695 if (hostsig == SIGCLD)
1696 return TARGET_SIGNAL_CHLD;
1698 #if defined (SIGCHLD)
1699 if (hostsig == SIGCHLD)
1700 return TARGET_SIGNAL_CHLD;
1702 #if defined (SIGPWR)
1703 if (hostsig == SIGPWR)
1704 return TARGET_SIGNAL_PWR;
1706 #if defined (SIGWINCH)
1707 if (hostsig == SIGWINCH)
1708 return TARGET_SIGNAL_WINCH;
1710 #if defined (SIGURG)
1711 if (hostsig == SIGURG)
1712 return TARGET_SIGNAL_URG;
1715 if (hostsig == SIGIO)
1716 return TARGET_SIGNAL_IO;
1718 #if defined (SIGPOLL)
1719 if (hostsig == SIGPOLL)
1720 return TARGET_SIGNAL_POLL;
1722 #if defined (SIGSTOP)
1723 if (hostsig == SIGSTOP)
1724 return TARGET_SIGNAL_STOP;
1726 #if defined (SIGTSTP)
1727 if (hostsig == SIGTSTP)
1728 return TARGET_SIGNAL_TSTP;
1730 #if defined (SIGCONT)
1731 if (hostsig == SIGCONT)
1732 return TARGET_SIGNAL_CONT;
1734 #if defined (SIGTTIN)
1735 if (hostsig == SIGTTIN)
1736 return TARGET_SIGNAL_TTIN;
1738 #if defined (SIGTTOU)
1739 if (hostsig == SIGTTOU)
1740 return TARGET_SIGNAL_TTOU;
1742 #if defined (SIGVTALRM)
1743 if (hostsig == SIGVTALRM)
1744 return TARGET_SIGNAL_VTALRM;
1746 #if defined (SIGPROF)
1747 if (hostsig == SIGPROF)
1748 return TARGET_SIGNAL_PROF;
1750 #if defined (SIGXCPU)
1751 if (hostsig == SIGXCPU)
1752 return TARGET_SIGNAL_XCPU;
1754 #if defined (SIGXFSZ)
1755 if (hostsig == SIGXFSZ)
1756 return TARGET_SIGNAL_XFSZ;
1758 #if defined (SIGWIND)
1759 if (hostsig == SIGWIND)
1760 return TARGET_SIGNAL_WIND;
1762 #if defined (SIGPHONE)
1763 if (hostsig == SIGPHONE)
1764 return TARGET_SIGNAL_PHONE;
1766 #if defined (SIGLOST)
1767 if (hostsig == SIGLOST)
1768 return TARGET_SIGNAL_LOST;
1770 #if defined (SIGWAITING)
1771 if (hostsig == SIGWAITING)
1772 return TARGET_SIGNAL_WAITING;
1774 #if defined (SIGCANCEL)
1775 if (hostsig == SIGCANCEL)
1776 return TARGET_SIGNAL_CANCEL;
1778 #if defined (SIGLWP)
1779 if (hostsig == SIGLWP)
1780 return TARGET_SIGNAL_LWP;
1782 #if defined (SIGDANGER)
1783 if (hostsig == SIGDANGER)
1784 return TARGET_SIGNAL_DANGER;
1786 #if defined (SIGGRANT)
1787 if (hostsig == SIGGRANT)
1788 return TARGET_SIGNAL_GRANT;
1790 #if defined (SIGRETRACT)
1791 if (hostsig == SIGRETRACT)
1792 return TARGET_SIGNAL_RETRACT;
1794 #if defined (SIGMSG)
1795 if (hostsig == SIGMSG)
1796 return TARGET_SIGNAL_MSG;
1798 #if defined (SIGSOUND)
1799 if (hostsig == SIGSOUND)
1800 return TARGET_SIGNAL_SOUND;
1802 #if defined (SIGSAK)
1803 if (hostsig == SIGSAK)
1804 return TARGET_SIGNAL_SAK;
1806 #if defined (SIGPRIO)
1807 if (hostsig == SIGPRIO)
1808 return TARGET_SIGNAL_PRIO;
1811 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1812 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1813 if (hostsig == _NSIG + EXC_BAD_ACCESS)
1814 return TARGET_EXC_BAD_ACCESS;
1816 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1817 if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
1818 return TARGET_EXC_BAD_INSTRUCTION;
1820 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1821 if (hostsig == _NSIG + EXC_ARITHMETIC)
1822 return TARGET_EXC_ARITHMETIC;
1824 #if defined (EXC_EMULATION) && defined (_NSIG)
1825 if (hostsig == _NSIG + EXC_EMULATION)
1826 return TARGET_EXC_EMULATION;
1828 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1829 if (hostsig == _NSIG + EXC_SOFTWARE)
1830 return TARGET_EXC_SOFTWARE;
1832 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1833 if (hostsig == _NSIG + EXC_BREAKPOINT)
1834 return TARGET_EXC_BREAKPOINT;
1837 #if defined (SIGINFO)
1838 if (hostsig == SIGINFO)
1839 return TARGET_SIGNAL_INFO;
1842 #if defined (REALTIME_LO)
1843 if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
1845 /* This block of TARGET_SIGNAL_REALTIME value is in order. */
1846 if (33 <= hostsig && hostsig <= 63)
1847 return (enum target_signal)
1848 (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
1849 else if (hostsig == 32)
1850 return TARGET_SIGNAL_REALTIME_32;
1852 error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
1855 return TARGET_SIGNAL_UNKNOWN;
1858 /* Convert a OURSIG (an enum target_signal) to the form used by the
1859 target operating system (refered to as the ``host'') or zero if the
1860 equivalent host signal is not available. Set/clear OURSIG_OK
1864 do_target_signal_to_host (enum target_signal oursig,
1870 case TARGET_SIGNAL_0:
1873 #if defined (SIGHUP)
1874 case TARGET_SIGNAL_HUP:
1877 #if defined (SIGINT)
1878 case TARGET_SIGNAL_INT:
1881 #if defined (SIGQUIT)
1882 case TARGET_SIGNAL_QUIT:
1885 #if defined (SIGILL)
1886 case TARGET_SIGNAL_ILL:
1889 #if defined (SIGTRAP)
1890 case TARGET_SIGNAL_TRAP:
1893 #if defined (SIGABRT)
1894 case TARGET_SIGNAL_ABRT:
1897 #if defined (SIGEMT)
1898 case TARGET_SIGNAL_EMT:
1901 #if defined (SIGFPE)
1902 case TARGET_SIGNAL_FPE:
1905 #if defined (SIGKILL)
1906 case TARGET_SIGNAL_KILL:
1909 #if defined (SIGBUS)
1910 case TARGET_SIGNAL_BUS:
1913 #if defined (SIGSEGV)
1914 case TARGET_SIGNAL_SEGV:
1917 #if defined (SIGSYS)
1918 case TARGET_SIGNAL_SYS:
1921 #if defined (SIGPIPE)
1922 case TARGET_SIGNAL_PIPE:
1925 #if defined (SIGALRM)
1926 case TARGET_SIGNAL_ALRM:
1929 #if defined (SIGTERM)
1930 case TARGET_SIGNAL_TERM:
1933 #if defined (SIGUSR1)
1934 case TARGET_SIGNAL_USR1:
1937 #if defined (SIGUSR2)
1938 case TARGET_SIGNAL_USR2:
1941 #if defined (SIGCHLD) || defined (SIGCLD)
1942 case TARGET_SIGNAL_CHLD:
1943 #if defined (SIGCHLD)
1948 #endif /* SIGCLD or SIGCHLD */
1949 #if defined (SIGPWR)
1950 case TARGET_SIGNAL_PWR:
1953 #if defined (SIGWINCH)
1954 case TARGET_SIGNAL_WINCH:
1957 #if defined (SIGURG)
1958 case TARGET_SIGNAL_URG:
1962 case TARGET_SIGNAL_IO:
1965 #if defined (SIGPOLL)
1966 case TARGET_SIGNAL_POLL:
1969 #if defined (SIGSTOP)
1970 case TARGET_SIGNAL_STOP:
1973 #if defined (SIGTSTP)
1974 case TARGET_SIGNAL_TSTP:
1977 #if defined (SIGCONT)
1978 case TARGET_SIGNAL_CONT:
1981 #if defined (SIGTTIN)
1982 case TARGET_SIGNAL_TTIN:
1985 #if defined (SIGTTOU)
1986 case TARGET_SIGNAL_TTOU:
1989 #if defined (SIGVTALRM)
1990 case TARGET_SIGNAL_VTALRM:
1993 #if defined (SIGPROF)
1994 case TARGET_SIGNAL_PROF:
1997 #if defined (SIGXCPU)
1998 case TARGET_SIGNAL_XCPU:
2001 #if defined (SIGXFSZ)
2002 case TARGET_SIGNAL_XFSZ:
2005 #if defined (SIGWIND)
2006 case TARGET_SIGNAL_WIND:
2009 #if defined (SIGPHONE)
2010 case TARGET_SIGNAL_PHONE:
2013 #if defined (SIGLOST)
2014 case TARGET_SIGNAL_LOST:
2017 #if defined (SIGWAITING)
2018 case TARGET_SIGNAL_WAITING:
2021 #if defined (SIGCANCEL)
2022 case TARGET_SIGNAL_CANCEL:
2025 #if defined (SIGLWP)
2026 case TARGET_SIGNAL_LWP:
2029 #if defined (SIGDANGER)
2030 case TARGET_SIGNAL_DANGER:
2033 #if defined (SIGGRANT)
2034 case TARGET_SIGNAL_GRANT:
2037 #if defined (SIGRETRACT)
2038 case TARGET_SIGNAL_RETRACT:
2041 #if defined (SIGMSG)
2042 case TARGET_SIGNAL_MSG:
2045 #if defined (SIGSOUND)
2046 case TARGET_SIGNAL_SOUND:
2049 #if defined (SIGSAK)
2050 case TARGET_SIGNAL_SAK:
2053 #if defined (SIGPRIO)
2054 case TARGET_SIGNAL_PRIO:
2058 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
2059 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
2060 case TARGET_EXC_BAD_ACCESS:
2061 return _NSIG + EXC_BAD_ACCESS;
2063 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
2064 case TARGET_EXC_BAD_INSTRUCTION:
2065 return _NSIG + EXC_BAD_INSTRUCTION;
2067 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
2068 case TARGET_EXC_ARITHMETIC:
2069 return _NSIG + EXC_ARITHMETIC;
2071 #if defined (EXC_EMULATION) && defined (_NSIG)
2072 case TARGET_EXC_EMULATION:
2073 return _NSIG + EXC_EMULATION;
2075 #if defined (EXC_SOFTWARE) && defined (_NSIG)
2076 case TARGET_EXC_SOFTWARE:
2077 return _NSIG + EXC_SOFTWARE;
2079 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
2080 case TARGET_EXC_BREAKPOINT:
2081 return _NSIG + EXC_BREAKPOINT;
2084 #if defined (SIGINFO)
2085 case TARGET_SIGNAL_INFO:
2090 #if defined (REALTIME_LO)
2091 if (oursig >= TARGET_SIGNAL_REALTIME_33
2092 && oursig <= TARGET_SIGNAL_REALTIME_63)
2094 /* This block of signals is continuous, and
2095 TARGET_SIGNAL_REALTIME_33 is 33 by definition. */
2097 (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
2098 if (retsig >= REALTIME_LO && retsig < REALTIME_HI)
2101 #if (REALTIME_LO < 33)
2102 else if (oursig == TARGET_SIGNAL_REALTIME_32)
2104 /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
2105 TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */
2116 target_signal_to_host_p (enum target_signal oursig)
2119 do_target_signal_to_host (oursig, &oursig_ok);
2124 target_signal_to_host (enum target_signal oursig)
2127 int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
2130 /* The user might be trying to do "signal SIGSAK" where this system
2131 doesn't have SIGSAK. */
2132 warning ("Signal %s does not exist on this system.\n",
2133 target_signal_to_name (oursig));
2140 /* Helper function for child_wait and the Lynx derivatives of child_wait.
2141 HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
2142 translation of that in OURSTATUS. */
2144 store_waitstatus (ourstatus, hoststatus)
2145 struct target_waitstatus *ourstatus;
2148 #ifdef CHILD_SPECIAL_WAITSTATUS
2149 /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
2150 if it wants to deal with hoststatus. */
2151 if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus))
2155 if (WIFEXITED (hoststatus))
2157 ourstatus->kind = TARGET_WAITKIND_EXITED;
2158 ourstatus->value.integer = WEXITSTATUS (hoststatus);
2160 else if (!WIFSTOPPED (hoststatus))
2162 ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
2163 ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
2167 ourstatus->kind = TARGET_WAITKIND_STOPPED;
2168 ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
2172 /* In some circumstances we allow a command to specify a numeric
2173 signal. The idea is to keep these circumstances limited so that
2174 users (and scripts) develop portable habits. For comparison,
2175 POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
2176 numeric signal at all is obscelescent. We are slightly more
2177 lenient and allow 1-15 which should match host signal numbers on
2178 most systems. Use of symbolic signal names is strongly encouraged. */
2181 target_signal_from_command (num)
2184 if (num >= 1 && num <= 15)
2185 return (enum target_signal) num;
2186 error ("Only signals 1-15 are valid as numeric signals.\n\
2187 Use \"info signals\" for a list of symbolic signals.");
2190 /* Returns zero to leave the inferior alone, one to interrupt it. */
2191 int (*target_activity_function) PARAMS ((void));
2192 int target_activity_fd;
2194 /* Convert a normal process ID to a string. Returns the string in a static
2198 normal_pid_to_str (pid)
2201 static char buf[30];
2203 if (STREQ (current_target.to_shortname, "remote"))
2204 sprintf (buf, "thread %d", pid);
2206 sprintf (buf, "process %d", pid);
2211 /* Some targets (such as ttrace-based HPUX) don't allow us to request
2212 notification of inferior events such as fork and vork immediately
2213 after the inferior is created. (This because of how gdb gets an
2214 inferior created via invoking a shell to do it. In such a scenario,
2215 if the shell init file has commands in it, the shell will fork and
2216 exec for each of those commands, and we will see each such fork
2219 This function is used by all targets that allow us to request
2220 notification of forks, etc at inferior creation time; e.g., in
2221 target_acknowledge_forked_child.
2224 normal_target_post_startup_inferior (pid)
2227 /* This space intentionally left blank. */
2230 /* Set up the handful of non-empty slots needed by the dummy target
2234 init_dummy_target ()
2236 dummy_target.to_shortname = "None";
2237 dummy_target.to_longname = "None";
2238 dummy_target.to_doc = "";
2239 dummy_target.to_attach = find_default_attach;
2240 dummy_target.to_require_attach = find_default_require_attach;
2241 dummy_target.to_require_detach = find_default_require_detach;
2242 dummy_target.to_create_inferior = find_default_create_inferior;
2243 dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
2244 dummy_target.to_pid_to_str = normal_pid_to_str;
2245 dummy_target.to_stratum = dummy_stratum;
2246 dummy_target.to_magic = OPS_MAGIC;
2250 static struct target_ops debug_target;
2253 debug_to_open (args, from_tty)
2257 debug_target.to_open (args, from_tty);
2259 fprintf_unfiltered (gdb_stdlog, "target_open (%s, %d)\n", args, from_tty);
2263 debug_to_close (quitting)
2266 debug_target.to_close (quitting);
2268 fprintf_unfiltered (gdb_stdlog, "target_close (%d)\n", quitting);
2272 debug_to_attach (args, from_tty)
2276 debug_target.to_attach (args, from_tty);
2278 fprintf_unfiltered (gdb_stdlog, "target_attach (%s, %d)\n", args, from_tty);
2283 debug_to_post_attach (pid)
2286 debug_target.to_post_attach (pid);
2288 fprintf_unfiltered (gdb_stdlog, "target_post_attach (%d)\n", pid);
2292 debug_to_require_attach (args, from_tty)
2296 debug_target.to_require_attach (args, from_tty);
2298 fprintf_unfiltered (gdb_stdlog,
2299 "target_require_attach (%s, %d)\n", args, from_tty);
2303 debug_to_detach (args, from_tty)
2307 debug_target.to_detach (args, from_tty);
2309 fprintf_unfiltered (gdb_stdlog, "target_detach (%s, %d)\n", args, from_tty);
2313 debug_to_require_detach (pid, args, from_tty)
2318 debug_target.to_require_detach (pid, args, from_tty);
2320 fprintf_unfiltered (gdb_stdlog,
2321 "target_require_detach (%d, %s, %d)\n", pid, args, from_tty);
2325 debug_to_resume (pid, step, siggnal)
2328 enum target_signal siggnal;
2330 debug_target.to_resume (pid, step, siggnal);
2332 fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", pid,
2333 step ? "step" : "continue",
2334 target_signal_to_name (siggnal));
2338 debug_to_wait (pid, status)
2340 struct target_waitstatus *status;
2344 retval = debug_target.to_wait (pid, status);
2346 fprintf_unfiltered (gdb_stdlog,
2347 "target_wait (%d, status) = %d, ", pid, retval);
2348 fprintf_unfiltered (gdb_stdlog, "status->kind = ");
2349 switch (status->kind)
2351 case TARGET_WAITKIND_EXITED:
2352 fprintf_unfiltered (gdb_stdlog, "exited, status = %d\n",
2353 status->value.integer);
2355 case TARGET_WAITKIND_STOPPED:
2356 fprintf_unfiltered (gdb_stdlog, "stopped, signal = %s\n",
2357 target_signal_to_name (status->value.sig));
2359 case TARGET_WAITKIND_SIGNALLED:
2360 fprintf_unfiltered (gdb_stdlog, "signalled, signal = %s\n",
2361 target_signal_to_name (status->value.sig));
2363 case TARGET_WAITKIND_LOADED:
2364 fprintf_unfiltered (gdb_stdlog, "loaded\n");
2366 case TARGET_WAITKIND_FORKED:
2367 fprintf_unfiltered (gdb_stdlog, "forked\n");
2369 case TARGET_WAITKIND_VFORKED:
2370 fprintf_unfiltered (gdb_stdlog, "vforked\n");
2372 case TARGET_WAITKIND_EXECD:
2373 fprintf_unfiltered (gdb_stdlog, "execd\n");
2375 case TARGET_WAITKIND_SPURIOUS:
2376 fprintf_unfiltered (gdb_stdlog, "spurious\n");
2379 fprintf_unfiltered (gdb_stdlog, "unknown???\n");
2387 debug_to_post_wait (pid, status)
2391 debug_target.to_post_wait (pid, status);
2393 fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
2398 debug_to_fetch_registers (regno)
2401 debug_target.to_fetch_registers (regno);
2403 fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)",
2404 regno != -1 ? REGISTER_NAME (regno) : "-1");
2406 fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld",
2407 (unsigned long) read_register (regno),
2408 (unsigned long) read_register (regno));
2409 fprintf_unfiltered (gdb_stdlog, "\n");
2413 debug_to_store_registers (regno)
2416 debug_target.to_store_registers (regno);
2418 if (regno >= 0 && regno < NUM_REGS)
2419 fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n",
2420 REGISTER_NAME (regno),
2421 (unsigned long) read_register (regno),
2422 (unsigned long) read_register (regno));
2424 fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno);
2428 debug_to_prepare_to_store ()
2430 debug_target.to_prepare_to_store ();
2432 fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n");
2436 debug_to_xfer_memory (memaddr, myaddr, len, write, target)
2441 struct target_ops *target;
2445 retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
2447 fprintf_unfiltered (gdb_stdlog,
2448 "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
2449 (unsigned int) memaddr, /* possable truncate long long */
2450 len, write ? "write" : "read", retval);
2458 fputs_unfiltered (", bytes =", gdb_stdlog);
2459 for (i = 0; i < retval; i++)
2461 if ((((long) &(myaddr[i])) & 0xf) == 0)
2462 fprintf_unfiltered (gdb_stdlog, "\n");
2463 fprintf_unfiltered (gdb_stdlog, " %02x", myaddr[i] & 0xff);
2467 fputc_unfiltered ('\n', gdb_stdlog);
2473 debug_to_files_info (target)
2474 struct target_ops *target;
2476 debug_target.to_files_info (target);
2478 fprintf_unfiltered (gdb_stdlog, "target_files_info (xxx)\n");
2482 debug_to_insert_breakpoint (addr, save)
2488 retval = debug_target.to_insert_breakpoint (addr, save);
2490 fprintf_unfiltered (gdb_stdlog,
2491 "target_insert_breakpoint (0x%lx, xxx) = %ld\n",
2492 (unsigned long) addr,
2493 (unsigned long) retval);
2498 debug_to_remove_breakpoint (addr, save)
2504 retval = debug_target.to_remove_breakpoint (addr, save);
2506 fprintf_unfiltered (gdb_stdlog,
2507 "target_remove_breakpoint (0x%lx, xxx) = %ld\n",
2508 (unsigned long) addr,
2509 (unsigned long) retval);
2514 debug_to_terminal_init ()
2516 debug_target.to_terminal_init ();
2518 fprintf_unfiltered (gdb_stdlog, "target_terminal_init ()\n");
2522 debug_to_terminal_inferior ()
2524 debug_target.to_terminal_inferior ();
2526 fprintf_unfiltered (gdb_stdlog, "target_terminal_inferior ()\n");
2530 debug_to_terminal_ours_for_output ()
2532 debug_target.to_terminal_ours_for_output ();
2534 fprintf_unfiltered (gdb_stdlog, "target_terminal_ours_for_output ()\n");
2538 debug_to_terminal_ours ()
2540 debug_target.to_terminal_ours ();
2542 fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n");
2546 debug_to_terminal_info (arg, from_tty)
2550 debug_target.to_terminal_info (arg, from_tty);
2552 fprintf_unfiltered (gdb_stdlog, "target_terminal_info (%s, %d)\n", arg,
2559 debug_target.to_kill ();
2561 fprintf_unfiltered (gdb_stdlog, "target_kill ()\n");
2565 debug_to_load (args, from_tty)
2569 debug_target.to_load (args, from_tty);
2571 fprintf_unfiltered (gdb_stdlog, "target_load (%s, %d)\n", args, from_tty);
2575 debug_to_lookup_symbol (name, addrp)
2581 retval = debug_target.to_lookup_symbol (name, addrp);
2583 fprintf_unfiltered (gdb_stdlog, "target_lookup_symbol (%s, xxx)\n", name);
2589 debug_to_create_inferior (exec_file, args, env)
2594 debug_target.to_create_inferior (exec_file, args, env);
2596 fprintf_unfiltered (gdb_stdlog, "target_create_inferior (%s, %s, xxx)\n",
2601 debug_to_post_startup_inferior (pid)
2604 debug_target.to_post_startup_inferior (pid);
2606 fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
2611 debug_to_acknowledge_created_inferior (pid)
2614 debug_target.to_acknowledge_created_inferior (pid);
2616 fprintf_unfiltered (gdb_stdlog, "target_acknowledge_created_inferior (%d)\n",
2621 debug_to_clone_and_follow_inferior (child_pid, followed_child)
2623 int *followed_child;
2625 debug_target.to_clone_and_follow_inferior (child_pid, followed_child);
2627 fprintf_unfiltered (gdb_stdlog,
2628 "target_clone_and_follow_inferior (%d, %d)\n",
2629 child_pid, *followed_child);
2633 debug_to_post_follow_inferior_by_clone ()
2635 debug_target.to_post_follow_inferior_by_clone ();
2637 fprintf_unfiltered (gdb_stdlog, "target_post_follow_inferior_by_clone ()\n");
2641 debug_to_insert_fork_catchpoint (pid)
2646 retval = debug_target.to_insert_fork_catchpoint (pid);
2648 fprintf_unfiltered (gdb_stdlog, "target_insert_fork_catchpoint (%d) = %d\n",
2655 debug_to_remove_fork_catchpoint (pid)
2660 retval = debug_target.to_remove_fork_catchpoint (pid);
2662 fprintf_unfiltered (gdb_stdlog, "target_remove_fork_catchpoint (%d) = %d\n",
2669 debug_to_insert_vfork_catchpoint (pid)
2674 retval = debug_target.to_insert_vfork_catchpoint (pid);
2676 fprintf_unfiltered (gdb_stdlog, "target_insert_vfork_catchpoint (%d)= %d\n",
2683 debug_to_remove_vfork_catchpoint (pid)
2688 retval = debug_target.to_remove_vfork_catchpoint (pid);
2690 fprintf_unfiltered (gdb_stdlog, "target_remove_vfork_catchpoint (%d) = %d\n",
2697 debug_to_has_forked (pid, child_pid)
2703 has_forked = debug_target.to_has_forked (pid, child_pid);
2705 fprintf_unfiltered (gdb_stdlog, "target_has_forked (%d, %d) = %d\n",
2706 pid, *child_pid, has_forked);
2712 debug_to_has_vforked (pid, child_pid)
2718 has_vforked = debug_target.to_has_vforked (pid, child_pid);
2720 fprintf_unfiltered (gdb_stdlog, "target_has_vforked (%d, %d) = %d\n",
2721 pid, *child_pid, has_vforked);
2727 debug_to_can_follow_vfork_prior_to_exec ()
2729 int can_immediately_follow_vfork;
2731 can_immediately_follow_vfork = debug_target.to_can_follow_vfork_prior_to_exec ();
2733 fprintf_unfiltered (gdb_stdlog, "target_can_follow_vfork_prior_to_exec () = %d\n",
2734 can_immediately_follow_vfork);
2736 return can_immediately_follow_vfork;
2740 debug_to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child)
2742 int followed_parent;
2746 debug_target.to_post_follow_vfork (parent_pid, followed_parent, child_pid, followed_child);
2748 fprintf_unfiltered (gdb_stdlog,
2749 "target_post_follow_vfork (%d, %d, %d, %d)\n",
2750 parent_pid, followed_parent, child_pid, followed_child);
2754 debug_to_insert_exec_catchpoint (pid)
2759 retval = debug_target.to_insert_exec_catchpoint (pid);
2761 fprintf_unfiltered (gdb_stdlog, "target_insert_exec_catchpoint (%d) = %d\n",
2768 debug_to_remove_exec_catchpoint (pid)
2773 retval = debug_target.to_remove_exec_catchpoint (pid);
2775 fprintf_unfiltered (gdb_stdlog, "target_remove_exec_catchpoint (%d) = %d\n",
2782 debug_to_has_execd (pid, execd_pathname)
2784 char **execd_pathname;
2788 has_execd = debug_target.to_has_execd (pid, execd_pathname);
2790 fprintf_unfiltered (gdb_stdlog, "target_has_execd (%d, %s) = %d\n",
2791 pid, (*execd_pathname ? *execd_pathname : "<NULL>"),
2798 debug_to_reported_exec_events_per_exec_call ()
2800 int reported_exec_events;
2802 reported_exec_events = debug_target.to_reported_exec_events_per_exec_call ();
2804 fprintf_unfiltered (gdb_stdlog,
2805 "target_reported_exec_events_per_exec_call () = %d\n",
2806 reported_exec_events);
2808 return reported_exec_events;
2812 debug_to_has_syscall_event (pid, kind, syscall_id)
2814 enum target_waitkind *kind;
2817 int has_syscall_event;
2818 char *kind_spelling = "??";
2820 has_syscall_event = debug_target.to_has_syscall_event (pid, kind, syscall_id);
2821 if (has_syscall_event)
2825 case TARGET_WAITKIND_SYSCALL_ENTRY:
2826 kind_spelling = "SYSCALL_ENTRY";
2828 case TARGET_WAITKIND_SYSCALL_RETURN:
2829 kind_spelling = "SYSCALL_RETURN";
2836 fprintf_unfiltered (gdb_stdlog,
2837 "target_has_syscall_event (%d, %s, %d) = %d\n",
2838 pid, kind_spelling, *syscall_id, has_syscall_event);
2840 return has_syscall_event;
2844 debug_to_has_exited (pid, wait_status, exit_status)
2851 has_exited = debug_target.to_has_exited (pid, wait_status, exit_status);
2853 fprintf_unfiltered (gdb_stdlog, "target_has_exited (%d, %d, %d) = %d\n",
2854 pid, wait_status, *exit_status, has_exited);
2860 debug_to_mourn_inferior ()
2862 debug_target.to_mourn_inferior ();
2864 fprintf_unfiltered (gdb_stdlog, "target_mourn_inferior ()\n");
2872 retval = debug_target.to_can_run ();
2874 fprintf_unfiltered (gdb_stdlog, "target_can_run () = %d\n", retval);
2880 debug_to_notice_signals (pid)
2883 debug_target.to_notice_signals (pid);
2885 fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", pid);
2889 debug_to_thread_alive (pid)
2894 retval = debug_target.to_thread_alive (pid);
2896 fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
2903 debug_to_find_new_threads ()
2905 debug_target.to_find_new_threads ();
2907 fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog);
2913 debug_target.to_stop ();
2915 fprintf_unfiltered (gdb_stdlog, "target_stop ()\n");
2919 debug_to_query (type, req, resp, siz)
2927 retval = debug_target.to_query (type, req, resp, siz);
2929 fprintf_unfiltered (gdb_stdlog, "target_query (%c, %s, %s, %d) = %d\n", type, req, resp, *siz, retval);
2935 debug_to_rcmd (char *command,
2936 struct ui_file *outbuf)
2938 debug_target.to_rcmd (command, outbuf);
2939 fprintf_unfiltered (gdb_stdlog, "target_rcmd (%s, ...)\n", command);
2942 static struct symtab_and_line *
2943 debug_to_enable_exception_callback (kind, enable)
2944 enum exception_event_kind kind;
2947 struct symtab_and_line *result;
2948 result = debug_target.to_enable_exception_callback (kind, enable);
2949 fprintf_unfiltered (gdb_stdlog,
2950 "target get_exception_callback_sal (%d, %d)\n",
2955 static struct exception_event_record *
2956 debug_to_get_current_exception_event ()
2958 struct exception_event_record *result;
2959 result = debug_target.to_get_current_exception_event ();
2960 fprintf_unfiltered (gdb_stdlog, "target get_current_exception_event ()\n");
2965 debug_to_pid_to_exec_file (pid)
2970 exec_file = debug_target.to_pid_to_exec_file (pid);
2972 fprintf_unfiltered (gdb_stdlog, "target_pid_to_exec_file (%d) = %s\n",
2979 debug_to_core_file_to_sym_file (core)
2984 sym_file = debug_target.to_core_file_to_sym_file (core);
2986 fprintf_unfiltered (gdb_stdlog, "target_core_file_to_sym_file (%s) = %s\n",
2993 setup_target_debug ()
2995 memcpy (&debug_target, ¤t_target, sizeof debug_target);
2997 current_target.to_open = debug_to_open;
2998 current_target.to_close = debug_to_close;
2999 current_target.to_attach = debug_to_attach;
3000 current_target.to_post_attach = debug_to_post_attach;
3001 current_target.to_require_attach = debug_to_require_attach;
3002 current_target.to_detach = debug_to_detach;
3003 current_target.to_require_detach = debug_to_require_detach;
3004 current_target.to_resume = debug_to_resume;
3005 current_target.to_wait = debug_to_wait;
3006 current_target.to_post_wait = debug_to_post_wait;
3007 current_target.to_fetch_registers = debug_to_fetch_registers;
3008 current_target.to_store_registers = debug_to_store_registers;
3009 current_target.to_prepare_to_store = debug_to_prepare_to_store;
3010 current_target.to_xfer_memory = debug_to_xfer_memory;
3011 current_target.to_files_info = debug_to_files_info;
3012 current_target.to_insert_breakpoint = debug_to_insert_breakpoint;
3013 current_target.to_remove_breakpoint = debug_to_remove_breakpoint;
3014 current_target.to_terminal_init = debug_to_terminal_init;
3015 current_target.to_terminal_inferior = debug_to_terminal_inferior;
3016 current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output;
3017 current_target.to_terminal_ours = debug_to_terminal_ours;
3018 current_target.to_terminal_info = debug_to_terminal_info;
3019 current_target.to_kill = debug_to_kill;
3020 current_target.to_load = debug_to_load;
3021 current_target.to_lookup_symbol = debug_to_lookup_symbol;
3022 current_target.to_create_inferior = debug_to_create_inferior;
3023 current_target.to_post_startup_inferior = debug_to_post_startup_inferior;
3024 current_target.to_acknowledge_created_inferior = debug_to_acknowledge_created_inferior;
3025 current_target.to_clone_and_follow_inferior = debug_to_clone_and_follow_inferior;
3026 current_target.to_post_follow_inferior_by_clone = debug_to_post_follow_inferior_by_clone;
3027 current_target.to_insert_fork_catchpoint = debug_to_insert_fork_catchpoint;
3028 current_target.to_remove_fork_catchpoint = debug_to_remove_fork_catchpoint;
3029 current_target.to_insert_vfork_catchpoint = debug_to_insert_vfork_catchpoint;
3030 current_target.to_remove_vfork_catchpoint = debug_to_remove_vfork_catchpoint;
3031 current_target.to_has_forked = debug_to_has_forked;
3032 current_target.to_has_vforked = debug_to_has_vforked;
3033 current_target.to_can_follow_vfork_prior_to_exec = debug_to_can_follow_vfork_prior_to_exec;
3034 current_target.to_post_follow_vfork = debug_to_post_follow_vfork;
3035 current_target.to_insert_exec_catchpoint = debug_to_insert_exec_catchpoint;
3036 current_target.to_remove_exec_catchpoint = debug_to_remove_exec_catchpoint;
3037 current_target.to_has_execd = debug_to_has_execd;
3038 current_target.to_reported_exec_events_per_exec_call = debug_to_reported_exec_events_per_exec_call;
3039 current_target.to_has_syscall_event = debug_to_has_syscall_event;
3040 current_target.to_has_exited = debug_to_has_exited;
3041 current_target.to_mourn_inferior = debug_to_mourn_inferior;
3042 current_target.to_can_run = debug_to_can_run;
3043 current_target.to_notice_signals = debug_to_notice_signals;
3044 current_target.to_thread_alive = debug_to_thread_alive;
3045 current_target.to_find_new_threads = debug_to_find_new_threads;
3046 current_target.to_stop = debug_to_stop;
3047 current_target.to_query = debug_to_query;
3048 current_target.to_rcmd = debug_to_rcmd;
3049 current_target.to_enable_exception_callback = debug_to_enable_exception_callback;
3050 current_target.to_get_current_exception_event = debug_to_get_current_exception_event;
3051 current_target.to_pid_to_exec_file = debug_to_pid_to_exec_file;
3052 current_target.to_core_file_to_sym_file = debug_to_core_file_to_sym_file;
3057 static char targ_desc[] =
3058 "Names of targets and files being debugged.\n\
3059 Shows the entire stack of targets currently in use (including the exec-file,\n\
3060 core-file, and process, if any), as well as the symbol file name.";
3063 do_monitor_command (char *cmd,
3066 if ((current_target.to_rcmd == (void*) tcomplain)
3067 || (current_target.to_rcmd == debug_to_rcmd
3068 && (debug_target.to_rcmd == (void*) tcomplain)))
3070 error ("\"monitor\" command not supported by this target.\n");
3072 target_rcmd (cmd, gdb_stdtarg);
3076 initialize_targets ()
3078 init_dummy_target ();
3079 push_target (&dummy_target);
3081 add_info ("target", target_info, targ_desc);
3082 add_info ("files", target_info, targ_desc);
3085 add_set_cmd ("targetdebug", class_maintenance, var_zinteger,
3086 (char *) &targetdebug,
3087 "Set target debugging.\n\
3088 When non-zero, target debugging is enabled.", &setlist),
3092 add_com ("monitor", class_obscure, do_monitor_command,
3093 "Send a command to the remote monitor (remote targets only).");
3095 if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))