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 /* Find a single runnable target in the stack and return it. If for
1329 some reason there is more than one, return NULL. */
1334 struct target_ops
**t
;
1335 struct target_ops
*runable
= NULL
;
1340 for (t
= target_structs
; t
< target_structs
+ target_struct_size
; ++t
)
1342 if ((*t
)->to_can_run
&& target_can_run (*t
))
1349 return (count
== 1 ? runable
: NULL
);
1352 /* Find a single core_stratum target in the list of targets and return it.
1353 If for some reason there is more than one, return NULL. */
1358 struct target_ops
**t
;
1359 struct target_ops
*runable
= NULL
;
1364 for (t
= target_structs
; t
< target_structs
+ target_struct_size
;
1367 if ((*t
)->to_stratum
== core_stratum
)
1374 return (count
== 1 ? runable
: NULL
);
1378 * Find the next target down the stack from the specified target.
1382 find_target_beneath (t
)
1383 struct target_ops
*t
;
1385 struct target_stack_item
*cur
;
1387 for (cur
= target_stack
; cur
; cur
= cur
->next
)
1388 if (cur
->target_ops
== t
)
1391 if (cur
== NULL
|| cur
->next
== NULL
)
1394 return cur
->next
->target_ops
;
1398 /* The inferior process has died. Long live the inferior! */
1401 generic_mourn_inferior ()
1403 extern int show_breakpoint_hit_counts
;
1407 breakpoint_init_inferior (inf_exited
);
1408 registers_changed ();
1410 #ifdef CLEAR_DEFERRED_STORES
1411 /* Delete any pending stores to the inferior... */
1412 CLEAR_DEFERRED_STORES
;
1415 reopen_exec_file ();
1416 reinit_frame_cache ();
1418 /* It is confusing to the user for ignore counts to stick around
1419 from previous runs of the inferior. So clear them. */
1420 /* However, it is more confusing for the ignore counts to disappear when
1421 using hit counts. So don't clear them if we're counting hits. */
1422 if (!show_breakpoint_hit_counts
)
1423 breakpoint_clear_ignore_counts ();
1426 /* This table must match in order and size the signals in enum target_signal
1435 {"SIGHUP", "Hangup"},
1436 {"SIGINT", "Interrupt"},
1437 {"SIGQUIT", "Quit"},
1438 {"SIGILL", "Illegal instruction"},
1439 {"SIGTRAP", "Trace/breakpoint trap"},
1440 {"SIGABRT", "Aborted"},
1441 {"SIGEMT", "Emulation trap"},
1442 {"SIGFPE", "Arithmetic exception"},
1443 {"SIGKILL", "Killed"},
1444 {"SIGBUS", "Bus error"},
1445 {"SIGSEGV", "Segmentation fault"},
1446 {"SIGSYS", "Bad system call"},
1447 {"SIGPIPE", "Broken pipe"},
1448 {"SIGALRM", "Alarm clock"},
1449 {"SIGTERM", "Terminated"},
1450 {"SIGURG", "Urgent I/O condition"},
1451 {"SIGSTOP", "Stopped (signal)"},
1452 {"SIGTSTP", "Stopped (user)"},
1453 {"SIGCONT", "Continued"},
1454 {"SIGCHLD", "Child status changed"},
1455 {"SIGTTIN", "Stopped (tty input)"},
1456 {"SIGTTOU", "Stopped (tty output)"},
1457 {"SIGIO", "I/O possible"},
1458 {"SIGXCPU", "CPU time limit exceeded"},
1459 {"SIGXFSZ", "File size limit exceeded"},
1460 {"SIGVTALRM", "Virtual timer expired"},
1461 {"SIGPROF", "Profiling timer expired"},
1462 {"SIGWINCH", "Window size changed"},
1463 {"SIGLOST", "Resource lost"},
1464 {"SIGUSR1", "User defined signal 1"},
1465 {"SIGUSR2", "User defined signal 2"},
1466 {"SIGPWR", "Power fail/restart"},
1467 {"SIGPOLL", "Pollable event occurred"},
1468 {"SIGWIND", "SIGWIND"},
1469 {"SIGPHONE", "SIGPHONE"},
1470 {"SIGWAITING", "Process's LWPs are blocked"},
1471 {"SIGLWP", "Signal LWP"},
1472 {"SIGDANGER", "Swap space dangerously low"},
1473 {"SIGGRANT", "Monitor mode granted"},
1474 {"SIGRETRACT", "Need to relinquish monitor mode"},
1475 {"SIGMSG", "Monitor mode data available"},
1476 {"SIGSOUND", "Sound completed"},
1477 {"SIGSAK", "Secure attention"},
1478 {"SIGPRIO", "SIGPRIO"},
1479 {"SIG33", "Real-time event 33"},
1480 {"SIG34", "Real-time event 34"},
1481 {"SIG35", "Real-time event 35"},
1482 {"SIG36", "Real-time event 36"},
1483 {"SIG37", "Real-time event 37"},
1484 {"SIG38", "Real-time event 38"},
1485 {"SIG39", "Real-time event 39"},
1486 {"SIG40", "Real-time event 40"},
1487 {"SIG41", "Real-time event 41"},
1488 {"SIG42", "Real-time event 42"},
1489 {"SIG43", "Real-time event 43"},
1490 {"SIG44", "Real-time event 44"},
1491 {"SIG45", "Real-time event 45"},
1492 {"SIG46", "Real-time event 46"},
1493 {"SIG47", "Real-time event 47"},
1494 {"SIG48", "Real-time event 48"},
1495 {"SIG49", "Real-time event 49"},
1496 {"SIG50", "Real-time event 50"},
1497 {"SIG51", "Real-time event 51"},
1498 {"SIG52", "Real-time event 52"},
1499 {"SIG53", "Real-time event 53"},
1500 {"SIG54", "Real-time event 54"},
1501 {"SIG55", "Real-time event 55"},
1502 {"SIG56", "Real-time event 56"},
1503 {"SIG57", "Real-time event 57"},
1504 {"SIG58", "Real-time event 58"},
1505 {"SIG59", "Real-time event 59"},
1506 {"SIG60", "Real-time event 60"},
1507 {"SIG61", "Real-time event 61"},
1508 {"SIG62", "Real-time event 62"},
1509 {"SIG63", "Real-time event 63"},
1510 {"SIGCANCEL", "LWP internal signal"},
1511 {"SIG32", "Real-time event 32"},
1513 #if defined(MACH) || defined(__MACH__)
1514 /* Mach exceptions */
1515 {"EXC_BAD_ACCESS", "Could not access memory"},
1516 {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
1517 {"EXC_ARITHMETIC", "Arithmetic exception"},
1518 {"EXC_EMULATION", "Emulation instruction"},
1519 {"EXC_SOFTWARE", "Software generated exception"},
1520 {"EXC_BREAKPOINT", "Breakpoint"},
1522 {"SIGINFO", "Information request"},
1524 {NULL
, "Unknown signal"},
1525 {NULL
, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
1527 /* Last entry, used to check whether the table is the right size. */
1528 {NULL
, "TARGET_SIGNAL_MAGIC"}
1534 /* Return the string for a signal. */
1536 target_signal_to_string (sig
)
1537 enum target_signal sig
;
1539 if ((sig
>= TARGET_SIGNAL_FIRST
) && (sig
<= TARGET_SIGNAL_LAST
))
1540 return signals
[sig
].string
;
1542 return signals
[TARGET_SIGNAL_UNKNOWN
].string
;
1545 /* Return the name for a signal. */
1547 target_signal_to_name (sig
)
1548 enum target_signal sig
;
1550 if (sig
== TARGET_SIGNAL_UNKNOWN
)
1551 /* I think the code which prints this will always print it along with
1552 the string, so no need to be verbose. */
1554 return signals
[sig
].name
;
1557 /* Given a name, return its signal. */
1559 target_signal_from_name (name
)
1562 enum target_signal sig
;
1564 /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
1565 for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
1566 questionable; seems like by now people should call it SIGABRT
1569 /* This ugly cast brought to you by the native VAX compiler. */
1570 for (sig
= TARGET_SIGNAL_HUP
;
1571 signals
[sig
].name
!= NULL
;
1572 sig
= (enum target_signal
) ((int) sig
+ 1))
1573 if (STREQ (name
, signals
[sig
].name
))
1575 return TARGET_SIGNAL_UNKNOWN
;
1578 /* The following functions are to help certain targets deal
1579 with the signal/waitstatus stuff. They could just as well be in
1580 a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
1582 /* Convert host signal to our signals. */
1584 target_signal_from_host (hostsig
)
1587 /* A switch statement would make sense but would require special kludges
1588 to deal with the cases where more than one signal has the same number. */
1591 return TARGET_SIGNAL_0
;
1593 #if defined (SIGHUP)
1594 if (hostsig
== SIGHUP
)
1595 return TARGET_SIGNAL_HUP
;
1597 #if defined (SIGINT)
1598 if (hostsig
== SIGINT
)
1599 return TARGET_SIGNAL_INT
;
1601 #if defined (SIGQUIT)
1602 if (hostsig
== SIGQUIT
)
1603 return TARGET_SIGNAL_QUIT
;
1605 #if defined (SIGILL)
1606 if (hostsig
== SIGILL
)
1607 return TARGET_SIGNAL_ILL
;
1609 #if defined (SIGTRAP)
1610 if (hostsig
== SIGTRAP
)
1611 return TARGET_SIGNAL_TRAP
;
1613 #if defined (SIGABRT)
1614 if (hostsig
== SIGABRT
)
1615 return TARGET_SIGNAL_ABRT
;
1617 #if defined (SIGEMT)
1618 if (hostsig
== SIGEMT
)
1619 return TARGET_SIGNAL_EMT
;
1621 #if defined (SIGFPE)
1622 if (hostsig
== SIGFPE
)
1623 return TARGET_SIGNAL_FPE
;
1625 #if defined (SIGKILL)
1626 if (hostsig
== SIGKILL
)
1627 return TARGET_SIGNAL_KILL
;
1629 #if defined (SIGBUS)
1630 if (hostsig
== SIGBUS
)
1631 return TARGET_SIGNAL_BUS
;
1633 #if defined (SIGSEGV)
1634 if (hostsig
== SIGSEGV
)
1635 return TARGET_SIGNAL_SEGV
;
1637 #if defined (SIGSYS)
1638 if (hostsig
== SIGSYS
)
1639 return TARGET_SIGNAL_SYS
;
1641 #if defined (SIGPIPE)
1642 if (hostsig
== SIGPIPE
)
1643 return TARGET_SIGNAL_PIPE
;
1645 #if defined (SIGALRM)
1646 if (hostsig
== SIGALRM
)
1647 return TARGET_SIGNAL_ALRM
;
1649 #if defined (SIGTERM)
1650 if (hostsig
== SIGTERM
)
1651 return TARGET_SIGNAL_TERM
;
1653 #if defined (SIGUSR1)
1654 if (hostsig
== SIGUSR1
)
1655 return TARGET_SIGNAL_USR1
;
1657 #if defined (SIGUSR2)
1658 if (hostsig
== SIGUSR2
)
1659 return TARGET_SIGNAL_USR2
;
1661 #if defined (SIGCLD)
1662 if (hostsig
== SIGCLD
)
1663 return TARGET_SIGNAL_CHLD
;
1665 #if defined (SIGCHLD)
1666 if (hostsig
== SIGCHLD
)
1667 return TARGET_SIGNAL_CHLD
;
1669 #if defined (SIGPWR)
1670 if (hostsig
== SIGPWR
)
1671 return TARGET_SIGNAL_PWR
;
1673 #if defined (SIGWINCH)
1674 if (hostsig
== SIGWINCH
)
1675 return TARGET_SIGNAL_WINCH
;
1677 #if defined (SIGURG)
1678 if (hostsig
== SIGURG
)
1679 return TARGET_SIGNAL_URG
;
1682 if (hostsig
== SIGIO
)
1683 return TARGET_SIGNAL_IO
;
1685 #if defined (SIGPOLL)
1686 if (hostsig
== SIGPOLL
)
1687 return TARGET_SIGNAL_POLL
;
1689 #if defined (SIGSTOP)
1690 if (hostsig
== SIGSTOP
)
1691 return TARGET_SIGNAL_STOP
;
1693 #if defined (SIGTSTP)
1694 if (hostsig
== SIGTSTP
)
1695 return TARGET_SIGNAL_TSTP
;
1697 #if defined (SIGCONT)
1698 if (hostsig
== SIGCONT
)
1699 return TARGET_SIGNAL_CONT
;
1701 #if defined (SIGTTIN)
1702 if (hostsig
== SIGTTIN
)
1703 return TARGET_SIGNAL_TTIN
;
1705 #if defined (SIGTTOU)
1706 if (hostsig
== SIGTTOU
)
1707 return TARGET_SIGNAL_TTOU
;
1709 #if defined (SIGVTALRM)
1710 if (hostsig
== SIGVTALRM
)
1711 return TARGET_SIGNAL_VTALRM
;
1713 #if defined (SIGPROF)
1714 if (hostsig
== SIGPROF
)
1715 return TARGET_SIGNAL_PROF
;
1717 #if defined (SIGXCPU)
1718 if (hostsig
== SIGXCPU
)
1719 return TARGET_SIGNAL_XCPU
;
1721 #if defined (SIGXFSZ)
1722 if (hostsig
== SIGXFSZ
)
1723 return TARGET_SIGNAL_XFSZ
;
1725 #if defined (SIGWIND)
1726 if (hostsig
== SIGWIND
)
1727 return TARGET_SIGNAL_WIND
;
1729 #if defined (SIGPHONE)
1730 if (hostsig
== SIGPHONE
)
1731 return TARGET_SIGNAL_PHONE
;
1733 #if defined (SIGLOST)
1734 if (hostsig
== SIGLOST
)
1735 return TARGET_SIGNAL_LOST
;
1737 #if defined (SIGWAITING)
1738 if (hostsig
== SIGWAITING
)
1739 return TARGET_SIGNAL_WAITING
;
1741 #if defined (SIGCANCEL)
1742 if (hostsig
== SIGCANCEL
)
1743 return TARGET_SIGNAL_CANCEL
;
1745 #if defined (SIGLWP)
1746 if (hostsig
== SIGLWP
)
1747 return TARGET_SIGNAL_LWP
;
1749 #if defined (SIGDANGER)
1750 if (hostsig
== SIGDANGER
)
1751 return TARGET_SIGNAL_DANGER
;
1753 #if defined (SIGGRANT)
1754 if (hostsig
== SIGGRANT
)
1755 return TARGET_SIGNAL_GRANT
;
1757 #if defined (SIGRETRACT)
1758 if (hostsig
== SIGRETRACT
)
1759 return TARGET_SIGNAL_RETRACT
;
1761 #if defined (SIGMSG)
1762 if (hostsig
== SIGMSG
)
1763 return TARGET_SIGNAL_MSG
;
1765 #if defined (SIGSOUND)
1766 if (hostsig
== SIGSOUND
)
1767 return TARGET_SIGNAL_SOUND
;
1769 #if defined (SIGSAK)
1770 if (hostsig
== SIGSAK
)
1771 return TARGET_SIGNAL_SAK
;
1773 #if defined (SIGPRIO)
1774 if (hostsig
== SIGPRIO
)
1775 return TARGET_SIGNAL_PRIO
;
1778 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1779 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1780 if (hostsig
== _NSIG
+ EXC_BAD_ACCESS
)
1781 return TARGET_EXC_BAD_ACCESS
;
1783 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1784 if (hostsig
== _NSIG
+ EXC_BAD_INSTRUCTION
)
1785 return TARGET_EXC_BAD_INSTRUCTION
;
1787 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1788 if (hostsig
== _NSIG
+ EXC_ARITHMETIC
)
1789 return TARGET_EXC_ARITHMETIC
;
1791 #if defined (EXC_EMULATION) && defined (_NSIG)
1792 if (hostsig
== _NSIG
+ EXC_EMULATION
)
1793 return TARGET_EXC_EMULATION
;
1795 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1796 if (hostsig
== _NSIG
+ EXC_SOFTWARE
)
1797 return TARGET_EXC_SOFTWARE
;
1799 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1800 if (hostsig
== _NSIG
+ EXC_BREAKPOINT
)
1801 return TARGET_EXC_BREAKPOINT
;
1804 #if defined (SIGINFO)
1805 if (hostsig
== SIGINFO
)
1806 return TARGET_SIGNAL_INFO
;
1809 #if defined (REALTIME_LO)
1810 if (hostsig
>= REALTIME_LO
&& hostsig
< REALTIME_HI
)
1812 /* This block of TARGET_SIGNAL_REALTIME value is in order. */
1813 if (33 <= hostsig
&& hostsig
<= 63)
1814 return (enum target_signal
)
1815 (hostsig
- 33 + (int) TARGET_SIGNAL_REALTIME_33
);
1816 else if (hostsig
== 32)
1817 return TARGET_SIGNAL_REALTIME_32
;
1819 error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
1822 return TARGET_SIGNAL_UNKNOWN
;
1825 /* Convert a OURSIG (an enum target_signal) to the form used by the
1826 target operating system (refered to as the ``host'') or zero if the
1827 equivalent host signal is not available. Set/clear OURSIG_OK
1831 do_target_signal_to_host (enum target_signal oursig
,
1837 case TARGET_SIGNAL_0
:
1840 #if defined (SIGHUP)
1841 case TARGET_SIGNAL_HUP
:
1844 #if defined (SIGINT)
1845 case TARGET_SIGNAL_INT
:
1848 #if defined (SIGQUIT)
1849 case TARGET_SIGNAL_QUIT
:
1852 #if defined (SIGILL)
1853 case TARGET_SIGNAL_ILL
:
1856 #if defined (SIGTRAP)
1857 case TARGET_SIGNAL_TRAP
:
1860 #if defined (SIGABRT)
1861 case TARGET_SIGNAL_ABRT
:
1864 #if defined (SIGEMT)
1865 case TARGET_SIGNAL_EMT
:
1868 #if defined (SIGFPE)
1869 case TARGET_SIGNAL_FPE
:
1872 #if defined (SIGKILL)
1873 case TARGET_SIGNAL_KILL
:
1876 #if defined (SIGBUS)
1877 case TARGET_SIGNAL_BUS
:
1880 #if defined (SIGSEGV)
1881 case TARGET_SIGNAL_SEGV
:
1884 #if defined (SIGSYS)
1885 case TARGET_SIGNAL_SYS
:
1888 #if defined (SIGPIPE)
1889 case TARGET_SIGNAL_PIPE
:
1892 #if defined (SIGALRM)
1893 case TARGET_SIGNAL_ALRM
:
1896 #if defined (SIGTERM)
1897 case TARGET_SIGNAL_TERM
:
1900 #if defined (SIGUSR1)
1901 case TARGET_SIGNAL_USR1
:
1904 #if defined (SIGUSR2)
1905 case TARGET_SIGNAL_USR2
:
1908 #if defined (SIGCHLD) || defined (SIGCLD)
1909 case TARGET_SIGNAL_CHLD
:
1910 #if defined (SIGCHLD)
1915 #endif /* SIGCLD or SIGCHLD */
1916 #if defined (SIGPWR)
1917 case TARGET_SIGNAL_PWR
:
1920 #if defined (SIGWINCH)
1921 case TARGET_SIGNAL_WINCH
:
1924 #if defined (SIGURG)
1925 case TARGET_SIGNAL_URG
:
1929 case TARGET_SIGNAL_IO
:
1932 #if defined (SIGPOLL)
1933 case TARGET_SIGNAL_POLL
:
1936 #if defined (SIGSTOP)
1937 case TARGET_SIGNAL_STOP
:
1940 #if defined (SIGTSTP)
1941 case TARGET_SIGNAL_TSTP
:
1944 #if defined (SIGCONT)
1945 case TARGET_SIGNAL_CONT
:
1948 #if defined (SIGTTIN)
1949 case TARGET_SIGNAL_TTIN
:
1952 #if defined (SIGTTOU)
1953 case TARGET_SIGNAL_TTOU
:
1956 #if defined (SIGVTALRM)
1957 case TARGET_SIGNAL_VTALRM
:
1960 #if defined (SIGPROF)
1961 case TARGET_SIGNAL_PROF
:
1964 #if defined (SIGXCPU)
1965 case TARGET_SIGNAL_XCPU
:
1968 #if defined (SIGXFSZ)
1969 case TARGET_SIGNAL_XFSZ
:
1972 #if defined (SIGWIND)
1973 case TARGET_SIGNAL_WIND
:
1976 #if defined (SIGPHONE)
1977 case TARGET_SIGNAL_PHONE
:
1980 #if defined (SIGLOST)
1981 case TARGET_SIGNAL_LOST
:
1984 #if defined (SIGWAITING)
1985 case TARGET_SIGNAL_WAITING
:
1988 #if defined (SIGCANCEL)
1989 case TARGET_SIGNAL_CANCEL
:
1992 #if defined (SIGLWP)
1993 case TARGET_SIGNAL_LWP
:
1996 #if defined (SIGDANGER)
1997 case TARGET_SIGNAL_DANGER
:
2000 #if defined (SIGGRANT)
2001 case TARGET_SIGNAL_GRANT
:
2004 #if defined (SIGRETRACT)
2005 case TARGET_SIGNAL_RETRACT
:
2008 #if defined (SIGMSG)
2009 case TARGET_SIGNAL_MSG
:
2012 #if defined (SIGSOUND)
2013 case TARGET_SIGNAL_SOUND
:
2016 #if defined (SIGSAK)
2017 case TARGET_SIGNAL_SAK
:
2020 #if defined (SIGPRIO)
2021 case TARGET_SIGNAL_PRIO
:
2025 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
2026 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
2027 case TARGET_EXC_BAD_ACCESS
:
2028 return _NSIG
+ EXC_BAD_ACCESS
;
2030 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
2031 case TARGET_EXC_BAD_INSTRUCTION
:
2032 return _NSIG
+ EXC_BAD_INSTRUCTION
;
2034 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
2035 case TARGET_EXC_ARITHMETIC
:
2036 return _NSIG
+ EXC_ARITHMETIC
;
2038 #if defined (EXC_EMULATION) && defined (_NSIG)
2039 case TARGET_EXC_EMULATION
:
2040 return _NSIG
+ EXC_EMULATION
;
2042 #if defined (EXC_SOFTWARE) && defined (_NSIG)
2043 case TARGET_EXC_SOFTWARE
:
2044 return _NSIG
+ EXC_SOFTWARE
;
2046 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
2047 case TARGET_EXC_BREAKPOINT
:
2048 return _NSIG
+ EXC_BREAKPOINT
;
2051 #if defined (SIGINFO)
2052 case TARGET_SIGNAL_INFO
:
2057 #if defined (REALTIME_LO)
2058 if (oursig
>= TARGET_SIGNAL_REALTIME_33
2059 && oursig
<= TARGET_SIGNAL_REALTIME_63
)
2061 /* This block of signals is continuous, and
2062 TARGET_SIGNAL_REALTIME_33 is 33 by definition. */
2064 (int) oursig
- (int) TARGET_SIGNAL_REALTIME_33
+ 33;
2065 if (retsig
>= REALTIME_LO
&& retsig
< REALTIME_HI
)
2068 #if (REALTIME_LO < 33)
2069 else if (oursig
== TARGET_SIGNAL_REALTIME_32
)
2071 /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
2072 TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */
2083 target_signal_to_host_p (enum target_signal oursig
)
2086 do_target_signal_to_host (oursig
, &oursig_ok
);
2091 target_signal_to_host (enum target_signal oursig
)
2094 int targ_signo
= do_target_signal_to_host (oursig
, &oursig_ok
);
2097 /* The user might be trying to do "signal SIGSAK" where this system
2098 doesn't have SIGSAK. */
2099 warning ("Signal %s does not exist on this system.\n",
2100 target_signal_to_name (oursig
));
2107 /* Helper function for child_wait and the Lynx derivatives of child_wait.
2108 HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
2109 translation of that in OURSTATUS. */
2111 store_waitstatus (ourstatus
, hoststatus
)
2112 struct target_waitstatus
*ourstatus
;
2115 #ifdef CHILD_SPECIAL_WAITSTATUS
2116 /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
2117 if it wants to deal with hoststatus. */
2118 if (CHILD_SPECIAL_WAITSTATUS (ourstatus
, hoststatus
))
2122 if (WIFEXITED (hoststatus
))
2124 ourstatus
->kind
= TARGET_WAITKIND_EXITED
;
2125 ourstatus
->value
.integer
= WEXITSTATUS (hoststatus
);
2127 else if (!WIFSTOPPED (hoststatus
))
2129 ourstatus
->kind
= TARGET_WAITKIND_SIGNALLED
;
2130 ourstatus
->value
.sig
= target_signal_from_host (WTERMSIG (hoststatus
));
2134 ourstatus
->kind
= TARGET_WAITKIND_STOPPED
;
2135 ourstatus
->value
.sig
= target_signal_from_host (WSTOPSIG (hoststatus
));
2139 /* In some circumstances we allow a command to specify a numeric
2140 signal. The idea is to keep these circumstances limited so that
2141 users (and scripts) develop portable habits. For comparison,
2142 POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
2143 numeric signal at all is obscelescent. We are slightly more
2144 lenient and allow 1-15 which should match host signal numbers on
2145 most systems. Use of symbolic signal names is strongly encouraged. */
2148 target_signal_from_command (num
)
2151 if (num
>= 1 && num
<= 15)
2152 return (enum target_signal
) num
;
2153 error ("Only signals 1-15 are valid as numeric signals.\n\
2154 Use \"info signals\" for a list of symbolic signals.");
2157 /* Returns zero to leave the inferior alone, one to interrupt it. */
2158 int (*target_activity_function
) PARAMS ((void));
2159 int target_activity_fd
;
2161 /* Convert a normal process ID to a string. Returns the string in a static
2165 normal_pid_to_str (pid
)
2168 static char buf
[30];
2170 if (STREQ (current_target
.to_shortname
, "remote"))
2171 sprintf (buf
, "thread %d", pid
);
2173 sprintf (buf
, "process %d", pid
);
2178 /* Some targets (such as ttrace-based HPUX) don't allow us to request
2179 notification of inferior events such as fork and vork immediately
2180 after the inferior is created. (This because of how gdb gets an
2181 inferior created via invoking a shell to do it. In such a scenario,
2182 if the shell init file has commands in it, the shell will fork and
2183 exec for each of those commands, and we will see each such fork
2186 This function is used by all targets that allow us to request
2187 notification of forks, etc at inferior creation time; e.g., in
2188 target_acknowledge_forked_child.
2191 normal_target_post_startup_inferior (pid
)
2194 /* This space intentionally left blank. */
2197 /* Set up the handful of non-empty slots needed by the dummy target
2201 init_dummy_target ()
2203 dummy_target
.to_shortname
= "None";
2204 dummy_target
.to_longname
= "None";
2205 dummy_target
.to_doc
= "";
2206 dummy_target
.to_attach
= find_default_attach
;
2207 dummy_target
.to_require_attach
= find_default_require_attach
;
2208 dummy_target
.to_require_detach
= find_default_require_detach
;
2209 dummy_target
.to_create_inferior
= find_default_create_inferior
;
2210 dummy_target
.to_clone_and_follow_inferior
= find_default_clone_and_follow_inferior
;
2211 dummy_target
.to_pid_to_str
= normal_pid_to_str
;
2212 dummy_target
.to_stratum
= dummy_stratum
;
2213 dummy_target
.to_magic
= OPS_MAGIC
;
2217 static struct target_ops debug_target
;
2220 debug_to_open (args
, from_tty
)
2224 debug_target
.to_open (args
, from_tty
);
2226 fprintf_unfiltered (gdb_stdlog
, "target_open (%s, %d)\n", args
, from_tty
);
2230 debug_to_close (quitting
)
2233 debug_target
.to_close (quitting
);
2235 fprintf_unfiltered (gdb_stdlog
, "target_close (%d)\n", quitting
);
2239 debug_to_attach (args
, from_tty
)
2243 debug_target
.to_attach (args
, from_tty
);
2245 fprintf_unfiltered (gdb_stdlog
, "target_attach (%s, %d)\n", args
, from_tty
);
2250 debug_to_post_attach (pid
)
2253 debug_target
.to_post_attach (pid
);
2255 fprintf_unfiltered (gdb_stdlog
, "target_post_attach (%d)\n", pid
);
2259 debug_to_require_attach (args
, from_tty
)
2263 debug_target
.to_require_attach (args
, from_tty
);
2265 fprintf_unfiltered (gdb_stdlog
,
2266 "target_require_attach (%s, %d)\n", args
, from_tty
);
2270 debug_to_detach (args
, from_tty
)
2274 debug_target
.to_detach (args
, from_tty
);
2276 fprintf_unfiltered (gdb_stdlog
, "target_detach (%s, %d)\n", args
, from_tty
);
2280 debug_to_require_detach (pid
, args
, from_tty
)
2285 debug_target
.to_require_detach (pid
, args
, from_tty
);
2287 fprintf_unfiltered (gdb_stdlog
,
2288 "target_require_detach (%d, %s, %d)\n", pid
, args
, from_tty
);
2292 debug_to_resume (pid
, step
, siggnal
)
2295 enum target_signal siggnal
;
2297 debug_target
.to_resume (pid
, step
, siggnal
);
2299 fprintf_unfiltered (gdb_stdlog
, "target_resume (%d, %s, %s)\n", pid
,
2300 step
? "step" : "continue",
2301 target_signal_to_name (siggnal
));
2305 debug_to_wait (pid
, status
)
2307 struct target_waitstatus
*status
;
2311 retval
= debug_target
.to_wait (pid
, status
);
2313 fprintf_unfiltered (gdb_stdlog
,
2314 "target_wait (%d, status) = %d, ", pid
, retval
);
2315 fprintf_unfiltered (gdb_stdlog
, "status->kind = ");
2316 switch (status
->kind
)
2318 case TARGET_WAITKIND_EXITED
:
2319 fprintf_unfiltered (gdb_stdlog
, "exited, status = %d\n",
2320 status
->value
.integer
);
2322 case TARGET_WAITKIND_STOPPED
:
2323 fprintf_unfiltered (gdb_stdlog
, "stopped, signal = %s\n",
2324 target_signal_to_name (status
->value
.sig
));
2326 case TARGET_WAITKIND_SIGNALLED
:
2327 fprintf_unfiltered (gdb_stdlog
, "signalled, signal = %s\n",
2328 target_signal_to_name (status
->value
.sig
));
2330 case TARGET_WAITKIND_LOADED
:
2331 fprintf_unfiltered (gdb_stdlog
, "loaded\n");
2333 case TARGET_WAITKIND_FORKED
:
2334 fprintf_unfiltered (gdb_stdlog
, "forked\n");
2336 case TARGET_WAITKIND_VFORKED
:
2337 fprintf_unfiltered (gdb_stdlog
, "vforked\n");
2339 case TARGET_WAITKIND_EXECD
:
2340 fprintf_unfiltered (gdb_stdlog
, "execd\n");
2342 case TARGET_WAITKIND_SPURIOUS
:
2343 fprintf_unfiltered (gdb_stdlog
, "spurious\n");
2346 fprintf_unfiltered (gdb_stdlog
, "unknown???\n");
2354 debug_to_post_wait (pid
, status
)
2358 debug_target
.to_post_wait (pid
, status
);
2360 fprintf_unfiltered (gdb_stdlog
, "target_post_wait (%d, %d)\n",
2365 debug_to_fetch_registers (regno
)
2368 debug_target
.to_fetch_registers (regno
);
2370 fprintf_unfiltered (gdb_stdlog
, "target_fetch_registers (%s)",
2371 regno
!= -1 ? REGISTER_NAME (regno
) : "-1");
2373 fprintf_unfiltered (gdb_stdlog
, " = 0x%lx %ld",
2374 (unsigned long) read_register (regno
),
2375 (unsigned long) read_register (regno
));
2376 fprintf_unfiltered (gdb_stdlog
, "\n");
2380 debug_to_store_registers (regno
)
2383 debug_target
.to_store_registers (regno
);
2385 if (regno
>= 0 && regno
< NUM_REGS
)
2386 fprintf_unfiltered (gdb_stdlog
, "target_store_registers (%s) = 0x%lx %ld\n",
2387 REGISTER_NAME (regno
),
2388 (unsigned long) read_register (regno
),
2389 (unsigned long) read_register (regno
));
2391 fprintf_unfiltered (gdb_stdlog
, "target_store_registers (%d)\n", regno
);
2395 debug_to_prepare_to_store ()
2397 debug_target
.to_prepare_to_store ();
2399 fprintf_unfiltered (gdb_stdlog
, "target_prepare_to_store ()\n");
2403 debug_to_xfer_memory (memaddr
, myaddr
, len
, write
, target
)
2408 struct target_ops
*target
;
2412 retval
= debug_target
.to_xfer_memory (memaddr
, myaddr
, len
, write
, target
);
2414 fprintf_unfiltered (gdb_stdlog
,
2415 "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
2416 (unsigned int) memaddr
, /* possable truncate long long */
2417 len
, write
? "write" : "read", retval
);
2425 fputs_unfiltered (", bytes =", gdb_stdlog
);
2426 for (i
= 0; i
< retval
; i
++)
2428 if ((((long) &(myaddr
[i
])) & 0xf) == 0)
2429 fprintf_unfiltered (gdb_stdlog
, "\n");
2430 fprintf_unfiltered (gdb_stdlog
, " %02x", myaddr
[i
] & 0xff);
2434 fputc_unfiltered ('\n', gdb_stdlog
);
2440 debug_to_files_info (target
)
2441 struct target_ops
*target
;
2443 debug_target
.to_files_info (target
);
2445 fprintf_unfiltered (gdb_stdlog
, "target_files_info (xxx)\n");
2449 debug_to_insert_breakpoint (addr
, save
)
2455 retval
= debug_target
.to_insert_breakpoint (addr
, save
);
2457 fprintf_unfiltered (gdb_stdlog
,
2458 "target_insert_breakpoint (0x%lx, xxx) = %ld\n",
2459 (unsigned long) addr
,
2460 (unsigned long) retval
);
2465 debug_to_remove_breakpoint (addr
, save
)
2471 retval
= debug_target
.to_remove_breakpoint (addr
, save
);
2473 fprintf_unfiltered (gdb_stdlog
,
2474 "target_remove_breakpoint (0x%lx, xxx) = %ld\n",
2475 (unsigned long) addr
,
2476 (unsigned long) retval
);
2481 debug_to_terminal_init ()
2483 debug_target
.to_terminal_init ();
2485 fprintf_unfiltered (gdb_stdlog
, "target_terminal_init ()\n");
2489 debug_to_terminal_inferior ()
2491 debug_target
.to_terminal_inferior ();
2493 fprintf_unfiltered (gdb_stdlog
, "target_terminal_inferior ()\n");
2497 debug_to_terminal_ours_for_output ()
2499 debug_target
.to_terminal_ours_for_output ();
2501 fprintf_unfiltered (gdb_stdlog
, "target_terminal_ours_for_output ()\n");
2505 debug_to_terminal_ours ()
2507 debug_target
.to_terminal_ours ();
2509 fprintf_unfiltered (gdb_stdlog
, "target_terminal_ours ()\n");
2513 debug_to_terminal_info (arg
, from_tty
)
2517 debug_target
.to_terminal_info (arg
, from_tty
);
2519 fprintf_unfiltered (gdb_stdlog
, "target_terminal_info (%s, %d)\n", arg
,
2526 debug_target
.to_kill ();
2528 fprintf_unfiltered (gdb_stdlog
, "target_kill ()\n");
2532 debug_to_load (args
, from_tty
)
2536 debug_target
.to_load (args
, from_tty
);
2538 fprintf_unfiltered (gdb_stdlog
, "target_load (%s, %d)\n", args
, from_tty
);
2542 debug_to_lookup_symbol (name
, addrp
)
2548 retval
= debug_target
.to_lookup_symbol (name
, addrp
);
2550 fprintf_unfiltered (gdb_stdlog
, "target_lookup_symbol (%s, xxx)\n", name
);
2556 debug_to_create_inferior (exec_file
, args
, env
)
2561 debug_target
.to_create_inferior (exec_file
, args
, env
);
2563 fprintf_unfiltered (gdb_stdlog
, "target_create_inferior (%s, %s, xxx)\n",
2568 debug_to_post_startup_inferior (pid
)
2571 debug_target
.to_post_startup_inferior (pid
);
2573 fprintf_unfiltered (gdb_stdlog
, "target_post_startup_inferior (%d)\n",
2578 debug_to_acknowledge_created_inferior (pid
)
2581 debug_target
.to_acknowledge_created_inferior (pid
);
2583 fprintf_unfiltered (gdb_stdlog
, "target_acknowledge_created_inferior (%d)\n",
2588 debug_to_clone_and_follow_inferior (child_pid
, followed_child
)
2590 int *followed_child
;
2592 debug_target
.to_clone_and_follow_inferior (child_pid
, followed_child
);
2594 fprintf_unfiltered (gdb_stdlog
,
2595 "target_clone_and_follow_inferior (%d, %d)\n",
2596 child_pid
, *followed_child
);
2600 debug_to_post_follow_inferior_by_clone ()
2602 debug_target
.to_post_follow_inferior_by_clone ();
2604 fprintf_unfiltered (gdb_stdlog
, "target_post_follow_inferior_by_clone ()\n");
2608 debug_to_insert_fork_catchpoint (pid
)
2613 retval
= debug_target
.to_insert_fork_catchpoint (pid
);
2615 fprintf_unfiltered (gdb_stdlog
, "target_insert_fork_catchpoint (%d) = %d\n",
2622 debug_to_remove_fork_catchpoint (pid
)
2627 retval
= debug_target
.to_remove_fork_catchpoint (pid
);
2629 fprintf_unfiltered (gdb_stdlog
, "target_remove_fork_catchpoint (%d) = %d\n",
2636 debug_to_insert_vfork_catchpoint (pid
)
2641 retval
= debug_target
.to_insert_vfork_catchpoint (pid
);
2643 fprintf_unfiltered (gdb_stdlog
, "target_insert_vfork_catchpoint (%d)= %d\n",
2650 debug_to_remove_vfork_catchpoint (pid
)
2655 retval
= debug_target
.to_remove_vfork_catchpoint (pid
);
2657 fprintf_unfiltered (gdb_stdlog
, "target_remove_vfork_catchpoint (%d) = %d\n",
2664 debug_to_has_forked (pid
, child_pid
)
2670 has_forked
= debug_target
.to_has_forked (pid
, child_pid
);
2672 fprintf_unfiltered (gdb_stdlog
, "target_has_forked (%d, %d) = %d\n",
2673 pid
, *child_pid
, has_forked
);
2679 debug_to_has_vforked (pid
, child_pid
)
2685 has_vforked
= debug_target
.to_has_vforked (pid
, child_pid
);
2687 fprintf_unfiltered (gdb_stdlog
, "target_has_vforked (%d, %d) = %d\n",
2688 pid
, *child_pid
, has_vforked
);
2694 debug_to_can_follow_vfork_prior_to_exec ()
2696 int can_immediately_follow_vfork
;
2698 can_immediately_follow_vfork
= debug_target
.to_can_follow_vfork_prior_to_exec ();
2700 fprintf_unfiltered (gdb_stdlog
, "target_can_follow_vfork_prior_to_exec () = %d\n",
2701 can_immediately_follow_vfork
);
2703 return can_immediately_follow_vfork
;
2707 debug_to_post_follow_vfork (parent_pid
, followed_parent
, child_pid
, followed_child
)
2709 int followed_parent
;
2713 debug_target
.to_post_follow_vfork (parent_pid
, followed_parent
, child_pid
, followed_child
);
2715 fprintf_unfiltered (gdb_stdlog
,
2716 "target_post_follow_vfork (%d, %d, %d, %d)\n",
2717 parent_pid
, followed_parent
, child_pid
, followed_child
);
2721 debug_to_insert_exec_catchpoint (pid
)
2726 retval
= debug_target
.to_insert_exec_catchpoint (pid
);
2728 fprintf_unfiltered (gdb_stdlog
, "target_insert_exec_catchpoint (%d) = %d\n",
2735 debug_to_remove_exec_catchpoint (pid
)
2740 retval
= debug_target
.to_remove_exec_catchpoint (pid
);
2742 fprintf_unfiltered (gdb_stdlog
, "target_remove_exec_catchpoint (%d) = %d\n",
2749 debug_to_has_execd (pid
, execd_pathname
)
2751 char **execd_pathname
;
2755 has_execd
= debug_target
.to_has_execd (pid
, execd_pathname
);
2757 fprintf_unfiltered (gdb_stdlog
, "target_has_execd (%d, %s) = %d\n",
2758 pid
, (*execd_pathname
? *execd_pathname
: "<NULL>"),
2765 debug_to_reported_exec_events_per_exec_call ()
2767 int reported_exec_events
;
2769 reported_exec_events
= debug_target
.to_reported_exec_events_per_exec_call ();
2771 fprintf_unfiltered (gdb_stdlog
,
2772 "target_reported_exec_events_per_exec_call () = %d\n",
2773 reported_exec_events
);
2775 return reported_exec_events
;
2779 debug_to_has_syscall_event (pid
, kind
, syscall_id
)
2781 enum target_waitkind
*kind
;
2784 int has_syscall_event
;
2785 char *kind_spelling
= "??";
2787 has_syscall_event
= debug_target
.to_has_syscall_event (pid
, kind
, syscall_id
);
2788 if (has_syscall_event
)
2792 case TARGET_WAITKIND_SYSCALL_ENTRY
:
2793 kind_spelling
= "SYSCALL_ENTRY";
2795 case TARGET_WAITKIND_SYSCALL_RETURN
:
2796 kind_spelling
= "SYSCALL_RETURN";
2803 fprintf_unfiltered (gdb_stdlog
,
2804 "target_has_syscall_event (%d, %s, %d) = %d\n",
2805 pid
, kind_spelling
, *syscall_id
, has_syscall_event
);
2807 return has_syscall_event
;
2811 debug_to_has_exited (pid
, wait_status
, exit_status
)
2818 has_exited
= debug_target
.to_has_exited (pid
, wait_status
, exit_status
);
2820 fprintf_unfiltered (gdb_stdlog
, "target_has_exited (%d, %d, %d) = %d\n",
2821 pid
, wait_status
, *exit_status
, has_exited
);
2827 debug_to_mourn_inferior ()
2829 debug_target
.to_mourn_inferior ();
2831 fprintf_unfiltered (gdb_stdlog
, "target_mourn_inferior ()\n");
2839 retval
= debug_target
.to_can_run ();
2841 fprintf_unfiltered (gdb_stdlog
, "target_can_run () = %d\n", retval
);
2847 debug_to_notice_signals (pid
)
2850 debug_target
.to_notice_signals (pid
);
2852 fprintf_unfiltered (gdb_stdlog
, "target_notice_signals (%d)\n", pid
);
2856 debug_to_thread_alive (pid
)
2861 retval
= debug_target
.to_thread_alive (pid
);
2863 fprintf_unfiltered (gdb_stdlog
, "target_thread_alive (%d) = %d\n",
2870 debug_to_find_new_threads ()
2872 debug_target
.to_find_new_threads ();
2874 fputs_unfiltered ("target_find_new_threads ()\n", gdb_stdlog
);
2880 debug_target
.to_stop ();
2882 fprintf_unfiltered (gdb_stdlog
, "target_stop ()\n");
2886 debug_to_query (type
, req
, resp
, siz
)
2894 retval
= debug_target
.to_query (type
, req
, resp
, siz
);
2896 fprintf_unfiltered (gdb_stdlog
, "target_query (%c, %s, %s, %d) = %d\n", type
, req
, resp
, *siz
, retval
);
2902 debug_to_rcmd (char *command
,
2903 struct ui_file
*outbuf
)
2905 debug_target
.to_rcmd (command
, outbuf
);
2906 fprintf_unfiltered (gdb_stdlog
, "target_rcmd (%s, ...)\n", command
);
2909 static struct symtab_and_line
*
2910 debug_to_enable_exception_callback (kind
, enable
)
2911 enum exception_event_kind kind
;
2914 struct symtab_and_line
*result
;
2915 result
= debug_target
.to_enable_exception_callback (kind
, enable
);
2916 fprintf_unfiltered (gdb_stdlog
,
2917 "target get_exception_callback_sal (%d, %d)\n",
2922 static struct exception_event_record
*
2923 debug_to_get_current_exception_event ()
2925 struct exception_event_record
*result
;
2926 result
= debug_target
.to_get_current_exception_event ();
2927 fprintf_unfiltered (gdb_stdlog
, "target get_current_exception_event ()\n");
2932 debug_to_pid_to_exec_file (pid
)
2937 exec_file
= debug_target
.to_pid_to_exec_file (pid
);
2939 fprintf_unfiltered (gdb_stdlog
, "target_pid_to_exec_file (%d) = %s\n",
2946 debug_to_core_file_to_sym_file (core
)
2951 sym_file
= debug_target
.to_core_file_to_sym_file (core
);
2953 fprintf_unfiltered (gdb_stdlog
, "target_core_file_to_sym_file (%s) = %s\n",
2960 setup_target_debug ()
2962 memcpy (&debug_target
, ¤t_target
, sizeof debug_target
);
2964 current_target
.to_open
= debug_to_open
;
2965 current_target
.to_close
= debug_to_close
;
2966 current_target
.to_attach
= debug_to_attach
;
2967 current_target
.to_post_attach
= debug_to_post_attach
;
2968 current_target
.to_require_attach
= debug_to_require_attach
;
2969 current_target
.to_detach
= debug_to_detach
;
2970 current_target
.to_require_detach
= debug_to_require_detach
;
2971 current_target
.to_resume
= debug_to_resume
;
2972 current_target
.to_wait
= debug_to_wait
;
2973 current_target
.to_post_wait
= debug_to_post_wait
;
2974 current_target
.to_fetch_registers
= debug_to_fetch_registers
;
2975 current_target
.to_store_registers
= debug_to_store_registers
;
2976 current_target
.to_prepare_to_store
= debug_to_prepare_to_store
;
2977 current_target
.to_xfer_memory
= debug_to_xfer_memory
;
2978 current_target
.to_files_info
= debug_to_files_info
;
2979 current_target
.to_insert_breakpoint
= debug_to_insert_breakpoint
;
2980 current_target
.to_remove_breakpoint
= debug_to_remove_breakpoint
;
2981 current_target
.to_terminal_init
= debug_to_terminal_init
;
2982 current_target
.to_terminal_inferior
= debug_to_terminal_inferior
;
2983 current_target
.to_terminal_ours_for_output
= debug_to_terminal_ours_for_output
;
2984 current_target
.to_terminal_ours
= debug_to_terminal_ours
;
2985 current_target
.to_terminal_info
= debug_to_terminal_info
;
2986 current_target
.to_kill
= debug_to_kill
;
2987 current_target
.to_load
= debug_to_load
;
2988 current_target
.to_lookup_symbol
= debug_to_lookup_symbol
;
2989 current_target
.to_create_inferior
= debug_to_create_inferior
;
2990 current_target
.to_post_startup_inferior
= debug_to_post_startup_inferior
;
2991 current_target
.to_acknowledge_created_inferior
= debug_to_acknowledge_created_inferior
;
2992 current_target
.to_clone_and_follow_inferior
= debug_to_clone_and_follow_inferior
;
2993 current_target
.to_post_follow_inferior_by_clone
= debug_to_post_follow_inferior_by_clone
;
2994 current_target
.to_insert_fork_catchpoint
= debug_to_insert_fork_catchpoint
;
2995 current_target
.to_remove_fork_catchpoint
= debug_to_remove_fork_catchpoint
;
2996 current_target
.to_insert_vfork_catchpoint
= debug_to_insert_vfork_catchpoint
;
2997 current_target
.to_remove_vfork_catchpoint
= debug_to_remove_vfork_catchpoint
;
2998 current_target
.to_has_forked
= debug_to_has_forked
;
2999 current_target
.to_has_vforked
= debug_to_has_vforked
;
3000 current_target
.to_can_follow_vfork_prior_to_exec
= debug_to_can_follow_vfork_prior_to_exec
;
3001 current_target
.to_post_follow_vfork
= debug_to_post_follow_vfork
;
3002 current_target
.to_insert_exec_catchpoint
= debug_to_insert_exec_catchpoint
;
3003 current_target
.to_remove_exec_catchpoint
= debug_to_remove_exec_catchpoint
;
3004 current_target
.to_has_execd
= debug_to_has_execd
;
3005 current_target
.to_reported_exec_events_per_exec_call
= debug_to_reported_exec_events_per_exec_call
;
3006 current_target
.to_has_syscall_event
= debug_to_has_syscall_event
;
3007 current_target
.to_has_exited
= debug_to_has_exited
;
3008 current_target
.to_mourn_inferior
= debug_to_mourn_inferior
;
3009 current_target
.to_can_run
= debug_to_can_run
;
3010 current_target
.to_notice_signals
= debug_to_notice_signals
;
3011 current_target
.to_thread_alive
= debug_to_thread_alive
;
3012 current_target
.to_find_new_threads
= debug_to_find_new_threads
;
3013 current_target
.to_stop
= debug_to_stop
;
3014 current_target
.to_query
= debug_to_query
;
3015 current_target
.to_rcmd
= debug_to_rcmd
;
3016 current_target
.to_enable_exception_callback
= debug_to_enable_exception_callback
;
3017 current_target
.to_get_current_exception_event
= debug_to_get_current_exception_event
;
3018 current_target
.to_pid_to_exec_file
= debug_to_pid_to_exec_file
;
3019 current_target
.to_core_file_to_sym_file
= debug_to_core_file_to_sym_file
;
3024 static char targ_desc
[] =
3025 "Names of targets and files being debugged.\n\
3026 Shows the entire stack of targets currently in use (including the exec-file,\n\
3027 core-file, and process, if any), as well as the symbol file name.";
3030 do_monitor_command (char *cmd
,
3033 if ((current_target
.to_rcmd
== (void*) tcomplain
)
3034 || (current_target
.to_rcmd
== debug_to_rcmd
3035 && (debug_target
.to_rcmd
== (void*) tcomplain
)))
3037 error ("\"monitor\" command not supported by this target.\n");
3039 target_rcmd (cmd
, gdb_stdtarg
);
3043 initialize_targets ()
3045 init_dummy_target ();
3046 push_target (&dummy_target
);
3048 add_info ("target", target_info
, targ_desc
);
3049 add_info ("files", target_info
, targ_desc
);
3052 add_set_cmd ("targetdebug", class_maintenance
, var_zinteger
,
3053 (char *) &targetdebug
,
3054 "Set target debugging.\n\
3055 When non-zero, target debugging is enabled.", &setlist
),
3059 add_com ("monitor", class_obscure
, do_monitor_command
,
3060 "Send a command to the remote monitor (remote targets only).");
3062 if (!STREQ (signals
[TARGET_SIGNAL_LAST
].string
, "TARGET_SIGNAL_MAGIC"))