1 /* Select target systems and architectures at runtime for GDB.
2 Copyright 1990, 1992, 1993, 1994, 1995 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, Boston, MA 02111-1307, USA. */
24 #include "gdb_string.h"
38 target_info PARAMS ((char *, int));
41 cleanup_target PARAMS ((struct target_ops *));
44 maybe_kill_then_create_inferior PARAMS ((char *, char *, char **));
47 maybe_kill_then_attach PARAMS ((char *, int));
50 kill_or_be_killed PARAMS ((int));
53 default_terminal_info PARAMS ((char *, int));
56 nosymbol PARAMS ((char *, CORE_ADDR *));
59 tcomplain PARAMS ((void));
62 nomemory PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
65 return_zero PARAMS ((void));
68 ignore PARAMS ((void));
71 target_command PARAMS ((char *, int));
73 static struct target_ops *
74 find_default_run_target PARAMS ((char *));
76 /* Pointer to array of target architecture structures; the size of the
77 array; the current index into the array; the allocated size of the
79 struct target_ops **target_structs;
80 unsigned target_struct_size;
81 unsigned target_struct_index;
82 unsigned target_struct_allocsize;
83 #define DEFAULT_ALLOCSIZE 10
85 /* The initial current target, so that there is always a semi-valid
88 struct target_ops dummy_target = {
89 "None", /* to_shortname */
90 "None", /* to_longname */
94 find_default_attach, /* to_attach */
98 0, /* to_fetch_registers */
99 0, /* to_store_registers */
100 0, /* to_prepare_to_store */
101 0, /* to_xfer_memory */
102 0, /* to_files_info */
103 0, /* to_insert_breakpoint */
104 0, /* to_remove_breakpoint */
105 0, /* to_terminal_init */
106 0, /* to_terminal_inferior */
107 0, /* to_terminal_ours_for_output */
108 0, /* to_terminal_ours */
109 0, /* to_terminal_info */
112 0, /* to_lookup_symbol */
113 find_default_create_inferior, /* to_create_inferior */
114 0, /* to_mourn_inferior */
116 0, /* to_notice_signals */
117 0, /* to_thread_alive */
119 dummy_stratum, /* to_stratum */
122 0, /* to_has_all_memory */
123 0, /* to_has_memory */
124 0, /* to_has_registers */
125 0, /* to_has_execution */
127 0, /* to_sections_end */
128 OPS_MAGIC, /* to_magic */
131 /* Top of target stack. */
133 struct target_stack_item *target_stack;
135 /* The target structure we are currently using to talk to a process
136 or file or whatever "inferior" we have. */
138 struct target_ops current_target;
140 /* Command list for target. */
142 static struct cmd_list_element *targetlist = NULL;
144 /* Nonzero if we are debugging an attached outside process
145 rather than an inferior. */
149 #ifdef MAINTENANCE_CMDS
150 /* Non-zero if we want to see trace of target level stuff. */
152 static int targetdebug = 0;
154 static void setup_target_debug PARAMS ((void));
158 /* The user just typed 'target' without the name of a target. */
162 target_command (arg, from_tty)
166 fputs_filtered ("Argument required (target name). Try `help target'\n",
170 /* Add a possible target architecture to the list. */
174 struct target_ops *t;
178 target_struct_allocsize = DEFAULT_ALLOCSIZE;
179 target_structs = (struct target_ops **) xmalloc
180 (target_struct_allocsize * sizeof (*target_structs));
182 if (target_struct_size >= target_struct_allocsize)
184 target_struct_allocsize *= 2;
185 target_structs = (struct target_ops **)
186 xrealloc ((char *) target_structs,
187 target_struct_allocsize * sizeof (*target_structs));
189 target_structs[target_struct_size++] = t;
190 /* cleanup_target (t);*/
192 if (targetlist == NULL)
193 add_prefix_cmd ("target", class_run, target_command,
194 "Connect to a target machine or process.\n\
195 The first argument is the type or protocol of the target machine.\n\
196 Remaining arguments are interpreted by the target protocol. For more\n\
197 information on the arguments for a particular protocol, type\n\
198 `help target ' followed by the protocol name.",
199 &targetlist, "target ", 0, &cmdlist);
200 add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist);
212 nomemory (memaddr, myaddr, len, write, t)
217 struct target_ops *t;
219 errno = EIO; /* Can't read/write this location */
220 return 0; /* No bytes handled */
226 error ("You can't do that when your target is `%s'",
227 current_target.to_shortname);
233 error ("You can't do that without a process to debug");
238 nosymbol (name, addrp)
242 return 1; /* Symbol does not exist in target env */
247 default_terminal_info (args, from_tty)
251 printf_unfiltered("No saved terminal information.\n");
254 /* This is the default target_create_inferior and target_attach function.
255 If the current target is executing, it asks whether to kill it off.
256 If this function returns without calling error(), it has killed off
257 the target, and the operation should be attempted. */
260 kill_or_be_killed (from_tty)
263 if (target_has_execution)
265 printf_unfiltered ("You are already running a program:\n");
266 target_files_info ();
267 if (query ("Kill it? ")) {
269 if (target_has_execution)
270 error ("Killing the program did not help.");
273 error ("Program not killed.");
280 maybe_kill_then_attach (args, from_tty)
284 kill_or_be_killed (from_tty);
285 target_attach (args, from_tty);
289 maybe_kill_then_create_inferior (exec, args, env)
294 kill_or_be_killed (0);
295 target_create_inferior (exec, args, env);
298 /* Clean up a target struct so it no longer has any zero pointers in it.
299 We default entries, at least to stubs that print error messages. */
303 struct target_ops *t;
306 #define de_fault(field, value) \
307 if (!t->field) t->field = value
309 /* FIELD DEFAULT VALUE */
311 de_fault (to_open, (void (*)())tcomplain);
312 de_fault (to_close, (void (*)())ignore);
313 de_fault (to_attach, maybe_kill_then_attach);
314 de_fault (to_detach, (void (*)())ignore);
315 de_fault (to_resume, (void (*)())noprocess);
316 de_fault (to_wait, (int (*)())noprocess);
317 de_fault (to_fetch_registers, (void (*)())ignore);
318 de_fault (to_store_registers, (void (*)())noprocess);
319 de_fault (to_prepare_to_store, (void (*)())noprocess);
320 de_fault (to_xfer_memory, (int (*)())nomemory);
321 de_fault (to_files_info, (void (*)())ignore);
322 de_fault (to_insert_breakpoint, memory_insert_breakpoint);
323 de_fault (to_remove_breakpoint, memory_remove_breakpoint);
324 de_fault (to_terminal_init, ignore);
325 de_fault (to_terminal_inferior, ignore);
326 de_fault (to_terminal_ours_for_output,ignore);
327 de_fault (to_terminal_ours, ignore);
328 de_fault (to_terminal_info, default_terminal_info);
329 de_fault (to_kill, (void (*)())noprocess);
330 de_fault (to_load, (void (*)())tcomplain);
331 de_fault (to_lookup_symbol, nosymbol);
332 de_fault (to_create_inferior, maybe_kill_then_create_inferior);
333 de_fault (to_mourn_inferior, (void (*)())noprocess);
334 de_fault (to_can_run, return_zero);
335 de_fault (to_notice_signals, (void (*)())ignore);
336 de_fault (to_thread_alive, (int (*)())ignore);
337 de_fault (to_stop, (void (*)())ignore);
342 /* Go through the target stack from top to bottom, copying over zero entries in
343 current_target. In effect, we are doing class inheritance through the
344 pushed target vectors. */
347 update_current_target ()
349 struct target_stack_item *item;
350 struct target_ops *t;
352 /* First, reset current_target */
353 memset (¤t_target, 0, sizeof current_target);
355 for (item = target_stack; item; item = item->next)
357 t = item->target_ops;
359 #define INHERIT(FIELD, TARGET) \
360 if (!current_target.FIELD) \
361 current_target.FIELD = TARGET->FIELD
363 INHERIT (to_shortname, t);
364 INHERIT (to_longname, t);
366 INHERIT (to_open, t);
367 INHERIT (to_close, t);
368 INHERIT (to_attach, t);
369 INHERIT (to_detach, t);
370 INHERIT (to_resume, t);
371 INHERIT (to_wait, t);
372 INHERIT (to_fetch_registers, t);
373 INHERIT (to_store_registers, t);
374 INHERIT (to_prepare_to_store, t);
375 INHERIT (to_xfer_memory, t);
376 INHERIT (to_files_info, t);
377 INHERIT (to_insert_breakpoint, t);
378 INHERIT (to_remove_breakpoint, t);
379 INHERIT (to_terminal_init, t);
380 INHERIT (to_terminal_inferior, t);
381 INHERIT (to_terminal_ours_for_output, t);
382 INHERIT (to_terminal_ours, t);
383 INHERIT (to_terminal_info, t);
384 INHERIT (to_kill, t);
385 INHERIT (to_load, t);
386 INHERIT (to_lookup_symbol, t);
387 INHERIT (to_create_inferior, t);
388 INHERIT (to_mourn_inferior, t);
389 INHERIT (to_can_run, t);
390 INHERIT (to_notice_signals, t);
391 INHERIT (to_thread_alive, t);
392 INHERIT (to_stop, t);
393 INHERIT (to_stratum, t);
394 INHERIT (DONT_USE, t);
395 INHERIT (to_has_all_memory, t);
396 INHERIT (to_has_memory, t);
397 INHERIT (to_has_stack, t);
398 INHERIT (to_has_registers, t);
399 INHERIT (to_has_execution, t);
400 INHERIT (to_sections, t);
401 INHERIT (to_sections_end, t);
402 INHERIT (to_magic, t);
408 /* Push a new target type into the stack of the existing target accessors,
409 possibly superseding some of the existing accessors.
411 Result is zero if the pushed target ended up on top of the stack,
412 nonzero if at least one target is on top of it.
414 Rather than allow an empty stack, we always have the dummy target at
415 the bottom stratum, so we can call the function vectors without
420 struct target_ops *t;
422 struct target_stack_item *cur, *prev, *tmp;
424 /* Check magic number. If wrong, it probably means someone changed
425 the struct definition, but not all the places that initialize one. */
426 if (t->to_magic != OPS_MAGIC)
428 fprintf_unfiltered(gdb_stderr,
429 "Magic number of %s target struct wrong\n",
434 /* Find the proper stratum to install this target in. */
436 for (prev = NULL, cur = target_stack; cur; prev = cur, cur = cur->next)
438 if ((int)(t->to_stratum) >= (int)(cur->target_ops->to_stratum))
442 /* If there's already targets at this stratum, remove them. */
445 while (t->to_stratum == cur->target_ops->to_stratum)
447 /* There's already something on this stratum. Close it off. */
448 if (cur->target_ops->to_close)
449 (cur->target_ops->to_close) (0);
451 prev->next = cur->next; /* Unchain old target_ops */
453 target_stack = cur->next; /* Unchain first on list */
459 /* We have removed all targets in our stratum, now add the new one. */
461 tmp = (struct target_stack_item *)
462 xmalloc (sizeof (struct target_stack_item));
471 update_current_target ();
473 cleanup_target (¤t_target); /* Fill in the gaps */
475 #ifdef MAINTENANCE_CMDS
477 setup_target_debug ();
483 /* Remove a target_ops vector from the stack, wherever it may be.
484 Return how many times it was removed (0 or 1). */
488 struct target_ops *t;
490 struct target_stack_item *cur, *prev;
493 t->to_close (0); /* Let it clean up */
495 /* Look for the specified target. Note that we assume that a target
496 can only occur once in the target stack. */
498 for (cur = target_stack, prev = NULL; cur; prev = cur, cur = cur->next)
499 if (cur->target_ops == t)
503 return 0; /* Didn't find target_ops, quit now */
505 /* Unchain the target */
508 target_stack = cur->next;
510 prev->next = cur->next;
512 free (cur); /* Release the target_stack_item */
514 update_current_target ();
515 cleanup_target (¤t_target);
523 (current_target.to_close)(0); /* Let it clean up */
524 if (unpush_target (target_stack->target_ops) == 1)
527 fprintf_unfiltered(gdb_stderr,
528 "pop_target couldn't find target %s\n",
529 current_target.to_shortname);
534 #define MIN(A, B) (((A) <= (B)) ? (A) : (B))
536 /* target_read_string -- read a null terminated string, up to LEN bytes,
537 from MEMADDR in target. Set *ERRNOP to the errno code, or 0 if successful.
538 Set *STRING to a pointer to malloc'd memory containing the data; the caller
539 is responsible for freeing it. Return the number of bytes successfully
543 target_read_string (memaddr, string, len, errnop)
549 int tlen, origlen, offset, i;
553 int buffer_allocated;
555 unsigned int nbytes_read = 0;
557 /* Small for testing. */
558 buffer_allocated = 4;
559 buffer = xmalloc (buffer_allocated);
566 tlen = MIN (len, 4 - (memaddr & 3));
567 offset = memaddr & 3;
569 errcode = target_xfer_memory (memaddr & ~3, buf, 4, 0);
573 if (bufptr - buffer + tlen > buffer_allocated)
576 bytes = bufptr - buffer;
577 buffer_allocated *= 2;
578 buffer = xrealloc (buffer, buffer_allocated);
579 bufptr = buffer + bytes;
582 for (i = 0; i < tlen; i++)
584 *bufptr++ = buf[i + offset];
585 if (buf[i + offset] == '\000')
587 nbytes_read += i + 1;
604 /* Read LEN bytes of target memory at address MEMADDR, placing the results in
605 GDB's memory at MYADDR. Returns either 0 for success or an errno value
608 If an error occurs, no guarantee is made about the contents of the data at
609 MYADDR. In particular, the caller should not depend upon partial reads
610 filling the buffer with good data. There is no way for the caller to know
611 how much good data might have been transfered anyway. Callers that can
612 deal with partial reads should call target_read_memory_partial. */
615 target_read_memory (memaddr, myaddr, len)
620 return target_xfer_memory (memaddr, myaddr, len, 0);
623 /* Read LEN bytes of target memory at address MEMADDR, placing the results
624 in GDB's memory at MYADDR. Returns a count of the bytes actually read,
625 and optionally an errno value in the location pointed to by ERRNOPTR
626 if ERRNOPTR is non-null. */
629 target_read_memory_partial (memaddr, myaddr, len, errnoptr)
635 int nread; /* Number of bytes actually read. */
636 int errcode; /* Error from last read. */
638 /* First try a complete read. */
639 errcode = target_xfer_memory (memaddr, myaddr, len, 0);
647 /* Loop, reading one byte at a time until we get as much as we can. */
648 for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--)
650 errcode = target_xfer_memory (memaddr++, myaddr++, 1, 0);
652 /* If an error, the last read was unsuccessful, so adjust count. */
658 if (errnoptr != NULL)
666 target_write_memory (memaddr, myaddr, len)
671 return target_xfer_memory (memaddr, myaddr, len, 1);
674 /* Move memory to or from the targets. Iterate until all of it has
675 been moved, if necessary. The top target gets priority; anything
676 it doesn't want, is offered to the next one down, etc. Note the
677 business with curlen: if an early target says "no, but I have a
678 boundary overlapping this xfer" then we shorten what we offer to
679 the subsequent targets so the early guy will get a chance at the
680 tail before the subsequent ones do.
682 Result is 0 or errno value. */
685 target_xfer_memory (memaddr, myaddr, len, write)
693 struct target_ops *t;
694 struct target_stack_item *item;
696 /* to_xfer_memory is not guaranteed to set errno, even when it returns
700 /* The quick case is that the top target does it all. */
701 res = current_target.to_xfer_memory
702 (memaddr, myaddr, len, write, ¤t_target);
708 /* If res <= 0 then we call it again in the loop. Ah well. */
712 curlen = len; /* Want to do it all */
713 for (item = target_stack; item; item = item->next)
715 t = item->target_ops;
716 if (!t->to_has_memory)
719 res = t->to_xfer_memory (memaddr, myaddr, curlen, write, t);
721 break; /* Handled all or part of xfer */
722 if (t->to_has_all_memory)
728 /* If this address is for nonexistent memory,
729 read zeros if reading, or do nothing if writing. Return error. */
731 memset (myaddr, 0, len);
742 return 0; /* We managed to cover it all somehow. */
748 target_info (args, from_tty)
752 struct target_ops *t;
753 struct target_stack_item *item;
756 if (symfile_objfile != NULL)
757 printf_unfiltered ("Symbols from \"%s\".\n", symfile_objfile->name);
759 #ifdef FILES_INFO_HOOK
760 if (FILES_INFO_HOOK ())
764 for (item = target_stack; item; item = item->next)
766 t = item->target_ops;
768 if (!t->to_has_memory)
771 if ((int)(t->to_stratum) <= (int)dummy_stratum)
774 printf_unfiltered("\tWhile running this, GDB does not access memory from...\n");
775 printf_unfiltered("%s:\n", t->to_longname);
776 (t->to_files_info)(t);
777 has_all_mem = t->to_has_all_memory;
781 /* This is to be called by the open routine before it does
785 target_preopen (from_tty)
790 if (target_has_execution)
792 if (query ("A program is being debugged already. Kill it? "))
795 error ("Program not killed.");
798 /* Calling target_kill may remove the target from the stack. But if
799 it doesn't (which seems like a win for UDI), remove it now. */
801 if (target_has_execution)
805 /* Detach a target after doing deferred register stores. */
808 target_detach (args, from_tty)
812 /* Handle any optimized stores to the inferior. */
813 #ifdef DO_DEFERRED_STORES
816 (current_target.to_detach) (args, from_tty);
820 target_link (modname, t_reloc)
824 if (STREQ(current_target.to_shortname, "rombug"))
826 (current_target.to_lookup_symbol) (modname, t_reloc);
828 error("Unable to link to %s and get relocation in rombug", modname);
831 *t_reloc = (CORE_ADDR)-1;
834 /* Look through the list of possible targets for a target that can
835 execute a run or attach command without any other data. This is
836 used to locate the default process stratum.
838 Result is always valid (error() is called for errors). */
840 static struct target_ops *
841 find_default_run_target (do_mesg)
844 struct target_ops **t;
845 struct target_ops *runable = NULL;
850 for (t = target_structs; t < target_structs + target_struct_size;
853 if ((*t)->to_can_run && target_can_run(*t))
861 error ("Don't know how to %s. Try \"help target\".", do_mesg);
867 find_default_attach (args, from_tty)
871 struct target_ops *t;
873 t = find_default_run_target("attach");
874 (t->to_attach) (args, from_tty);
879 find_default_create_inferior (exec_file, allargs, env)
884 struct target_ops *t;
886 t = find_default_run_target("run");
887 (t->to_create_inferior) (exec_file, allargs, env);
900 struct target_ops **t;
901 struct target_ops *runable = NULL;
906 for (t = target_structs; t < target_structs + target_struct_size;
909 if ((*t)->to_stratum == core_stratum)
916 return(count == 1 ? runable : NULL);
919 /* The inferior process has died. Long live the inferior! */
922 generic_mourn_inferior ()
924 extern int show_breakpoint_hit_counts;
928 breakpoint_init_inferior ();
929 registers_changed ();
931 #ifdef CLEAR_DEFERRED_STORES
932 /* Delete any pending stores to the inferior... */
933 CLEAR_DEFERRED_STORES;
937 reinit_frame_cache ();
939 /* It is confusing to the user for ignore counts to stick around
940 from previous runs of the inferior. So clear them. */
941 /* However, it is more confusing for the ignore counts to disappear when
942 using hit counts. So don't clear them if we're counting hits. */
943 if (!show_breakpoint_hit_counts)
944 breakpoint_clear_ignore_counts ();
947 /* This table must match in order and size the signals in enum target_signal
955 {"SIGHUP", "Hangup"},
956 {"SIGINT", "Interrupt"},
958 {"SIGILL", "Illegal instruction"},
959 {"SIGTRAP", "Trace/breakpoint trap"},
960 {"SIGABRT", "Aborted"},
961 {"SIGEMT", "Emulation trap"},
962 {"SIGFPE", "Arithmetic exception"},
963 {"SIGKILL", "Killed"},
964 {"SIGBUS", "Bus error"},
965 {"SIGSEGV", "Segmentation fault"},
966 {"SIGSYS", "Bad system call"},
967 {"SIGPIPE", "Broken pipe"},
968 {"SIGALRM", "Alarm clock"},
969 {"SIGTERM", "Terminated"},
970 {"SIGURG", "Urgent I/O condition"},
971 {"SIGSTOP", "Stopped (signal)"},
972 {"SIGTSTP", "Stopped (user)"},
973 {"SIGCONT", "Continued"},
974 {"SIGCHLD", "Child status changed"},
975 {"SIGTTIN", "Stopped (tty input)"},
976 {"SIGTTOU", "Stopped (tty output)"},
977 {"SIGIO", "I/O possible"},
978 {"SIGXCPU", "CPU time limit exceeded"},
979 {"SIGXFSZ", "File size limit exceeded"},
980 {"SIGVTALRM", "Virtual timer expired"},
981 {"SIGPROF", "Profiling timer expired"},
982 {"SIGWINCH", "Window size changed"},
983 {"SIGLOST", "Resource lost"},
984 {"SIGUSR1", "User defined signal 1"},
985 {"SIGUSR2", "User defined signal 2"},
986 {"SIGPWR", "Power fail/restart"},
987 {"SIGPOLL", "Pollable event occurred"},
988 {"SIGWIND", "SIGWIND"},
989 {"SIGPHONE", "SIGPHONE"},
990 {"SIGWAITING", "Process's LWPs are blocked"},
991 {"SIGLWP", "Signal LWP"},
992 {"SIGDANGER", "Swap space dangerously low"},
993 {"SIGGRANT", "Monitor mode granted"},
994 {"SIGRETRACT", "Need to relinguish monitor mode"},
995 {"SIGMSG", "Monitor mode data available"},
996 {"SIGSOUND", "Sound completed"},
997 {"SIGSAK", "Secure attention"},
998 {"SIGPRIO", "SIGPRIO"},
999 {"SIG33", "Real-time event 33"},
1000 {"SIG34", "Real-time event 34"},
1001 {"SIG35", "Real-time event 35"},
1002 {"SIG36", "Real-time event 36"},
1003 {"SIG37", "Real-time event 37"},
1004 {"SIG38", "Real-time event 38"},
1005 {"SIG39", "Real-time event 39"},
1006 {"SIG40", "Real-time event 40"},
1007 {"SIG41", "Real-time event 41"},
1008 {"SIG42", "Real-time event 42"},
1009 {"SIG43", "Real-time event 43"},
1010 {"SIG44", "Real-time event 44"},
1011 {"SIG45", "Real-time event 45"},
1012 {"SIG46", "Real-time event 46"},
1013 {"SIG47", "Real-time event 47"},
1014 {"SIG48", "Real-time event 48"},
1015 {"SIG49", "Real-time event 49"},
1016 {"SIG50", "Real-time event 50"},
1017 {"SIG51", "Real-time event 51"},
1018 {"SIG52", "Real-time event 52"},
1019 {"SIG53", "Real-time event 53"},
1020 {"SIG54", "Real-time event 54"},
1021 {"SIG55", "Real-time event 55"},
1022 {"SIG56", "Real-time event 56"},
1023 {"SIG57", "Real-time event 57"},
1024 {"SIG58", "Real-time event 58"},
1025 {"SIG59", "Real-time event 59"},
1026 {"SIG60", "Real-time event 60"},
1027 {"SIG61", "Real-time event 61"},
1028 {"SIG62", "Real-time event 62"},
1029 {"SIG63", "Real-time event 63"},
1031 /* Mach exceptions */
1032 {"EXC_BAD_ACCESS", "Could not access memory"},
1033 {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
1034 {"EXC_ARITHMETIC", "Arithmetic exception"},
1035 {"EXC_EMULATION", "Emulation instruction"},
1036 {"EXC_SOFTWARE", "Software generated exception"},
1037 {"EXC_BREAKPOINT", "Breakpoint"},
1039 {NULL, "Unknown signal"},
1040 {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
1042 /* Last entry, used to check whether the table is the right size. */
1043 {NULL, "TARGET_SIGNAL_MAGIC"}
1046 /* Return the string for a signal. */
1048 target_signal_to_string (sig)
1049 enum target_signal sig;
1051 return signals[sig].string;
1054 /* Return the name for a signal. */
1056 target_signal_to_name (sig)
1057 enum target_signal sig;
1059 if (sig == TARGET_SIGNAL_UNKNOWN)
1060 /* I think the code which prints this will always print it along with
1061 the string, so no need to be verbose. */
1063 return signals[sig].name;
1066 /* Given a name, return its signal. */
1068 target_signal_from_name (name)
1071 enum target_signal sig;
1073 /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
1074 for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
1075 questionable; seems like by now people should call it SIGABRT
1078 /* This ugly cast brought to you by the native VAX compiler. */
1079 for (sig = TARGET_SIGNAL_HUP;
1080 signals[sig].name != NULL;
1081 sig = (enum target_signal)((int)sig + 1))
1082 if (STREQ (name, signals[sig].name))
1084 return TARGET_SIGNAL_UNKNOWN;
1087 /* The following functions are to help certain targets deal
1088 with the signal/waitstatus stuff. They could just as well be in
1089 a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
1091 /* Convert host signal to our signals. */
1093 target_signal_from_host (hostsig)
1096 /* A switch statement would make sense but would require special kludges
1097 to deal with the cases where more than one signal has the same number. */
1099 if (hostsig == 0) return TARGET_SIGNAL_0;
1101 #if defined (SIGHUP)
1102 if (hostsig == SIGHUP) return TARGET_SIGNAL_HUP;
1104 #if defined (SIGINT)
1105 if (hostsig == SIGINT) return TARGET_SIGNAL_INT;
1107 #if defined (SIGQUIT)
1108 if (hostsig == SIGQUIT) return TARGET_SIGNAL_QUIT;
1110 #if defined (SIGILL)
1111 if (hostsig == SIGILL) return TARGET_SIGNAL_ILL;
1113 #if defined (SIGTRAP)
1114 if (hostsig == SIGTRAP) return TARGET_SIGNAL_TRAP;
1116 #if defined (SIGABRT)
1117 if (hostsig == SIGABRT) return TARGET_SIGNAL_ABRT;
1119 #if defined (SIGEMT)
1120 if (hostsig == SIGEMT) return TARGET_SIGNAL_EMT;
1122 #if defined (SIGFPE)
1123 if (hostsig == SIGFPE) return TARGET_SIGNAL_FPE;
1125 #if defined (SIGKILL)
1126 if (hostsig == SIGKILL) return TARGET_SIGNAL_KILL;
1128 #if defined (SIGBUS)
1129 if (hostsig == SIGBUS) return TARGET_SIGNAL_BUS;
1131 #if defined (SIGSEGV)
1132 if (hostsig == SIGSEGV) return TARGET_SIGNAL_SEGV;
1134 #if defined (SIGSYS)
1135 if (hostsig == SIGSYS) return TARGET_SIGNAL_SYS;
1137 #if defined (SIGPIPE)
1138 if (hostsig == SIGPIPE) return TARGET_SIGNAL_PIPE;
1140 #if defined (SIGALRM)
1141 if (hostsig == SIGALRM) return TARGET_SIGNAL_ALRM;
1143 #if defined (SIGTERM)
1144 if (hostsig == SIGTERM) return TARGET_SIGNAL_TERM;
1146 #if defined (SIGUSR1)
1147 if (hostsig == SIGUSR1) return TARGET_SIGNAL_USR1;
1149 #if defined (SIGUSR2)
1150 if (hostsig == SIGUSR2) return TARGET_SIGNAL_USR2;
1152 #if defined (SIGCLD)
1153 if (hostsig == SIGCLD) return TARGET_SIGNAL_CHLD;
1155 #if defined (SIGCHLD)
1156 if (hostsig == SIGCHLD) return TARGET_SIGNAL_CHLD;
1158 #if defined (SIGPWR)
1159 if (hostsig == SIGPWR) return TARGET_SIGNAL_PWR;
1161 #if defined (SIGWINCH)
1162 if (hostsig == SIGWINCH) return TARGET_SIGNAL_WINCH;
1164 #if defined (SIGURG)
1165 if (hostsig == SIGURG) return TARGET_SIGNAL_URG;
1168 if (hostsig == SIGIO) return TARGET_SIGNAL_IO;
1170 #if defined (SIGPOLL)
1171 if (hostsig == SIGPOLL) return TARGET_SIGNAL_POLL;
1173 #if defined (SIGSTOP)
1174 if (hostsig == SIGSTOP) return TARGET_SIGNAL_STOP;
1176 #if defined (SIGTSTP)
1177 if (hostsig == SIGTSTP) return TARGET_SIGNAL_TSTP;
1179 #if defined (SIGCONT)
1180 if (hostsig == SIGCONT) return TARGET_SIGNAL_CONT;
1182 #if defined (SIGTTIN)
1183 if (hostsig == SIGTTIN) return TARGET_SIGNAL_TTIN;
1185 #if defined (SIGTTOU)
1186 if (hostsig == SIGTTOU) return TARGET_SIGNAL_TTOU;
1188 #if defined (SIGVTALRM)
1189 if (hostsig == SIGVTALRM) return TARGET_SIGNAL_VTALRM;
1191 #if defined (SIGPROF)
1192 if (hostsig == SIGPROF) return TARGET_SIGNAL_PROF;
1194 #if defined (SIGXCPU)
1195 if (hostsig == SIGXCPU) return TARGET_SIGNAL_XCPU;
1197 #if defined (SIGXFSZ)
1198 if (hostsig == SIGXFSZ) return TARGET_SIGNAL_XFSZ;
1200 #if defined (SIGWIND)
1201 if (hostsig == SIGWIND) return TARGET_SIGNAL_WIND;
1203 #if defined (SIGPHONE)
1204 if (hostsig == SIGPHONE) return TARGET_SIGNAL_PHONE;
1206 #if defined (SIGLOST)
1207 if (hostsig == SIGLOST) return TARGET_SIGNAL_LOST;
1209 #if defined (SIGWAITING)
1210 if (hostsig == SIGWAITING) return TARGET_SIGNAL_WAITING;
1212 #if defined (SIGLWP)
1213 if (hostsig == SIGLWP) return TARGET_SIGNAL_LWP;
1215 #if defined (SIGDANGER)
1216 if (hostsig == SIGDANGER) return TARGET_SIGNAL_DANGER;
1218 #if defined (SIGGRANT)
1219 if (hostsig == SIGGRANT) return TARGET_SIGNAL_GRANT;
1221 #if defined (SIGRETRACT)
1222 if (hostsig == SIGRETRACT) return TARGET_SIGNAL_RETRACT;
1224 #if defined (SIGMSG)
1225 if (hostsig == SIGMSG) return TARGET_SIGNAL_MSG;
1227 #if defined (SIGSOUND)
1228 if (hostsig == SIGSOUND) return TARGET_SIGNAL_SOUND;
1230 #if defined (SIGSAK)
1231 if (hostsig == SIGSAK) return TARGET_SIGNAL_SAK;
1233 #if defined (SIGPRIO)
1234 if (hostsig == SIGPRIO) return TARGET_SIGNAL_PRIO;
1237 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1238 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1239 if (hostsig == _NSIG + EXC_BAD_ACCESS) return TARGET_EXC_BAD_ACCESS;
1241 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1242 if (hostsig == _NSIG + EXC_BAD_INSTRUCTION) return TARGET_EXC_BAD_INSTRUCTION;
1244 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1245 if (hostsig == _NSIG + EXC_ARITHMETIC) return TARGET_EXC_ARITHMETIC;
1247 #if defined (EXC_EMULATION) && defined (_NSIG)
1248 if (hostsig == _NSIG + EXC_EMULATION) return TARGET_EXC_EMULATION;
1250 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1251 if (hostsig == _NSIG + EXC_SOFTWARE) return TARGET_EXC_SOFTWARE;
1253 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1254 if (hostsig == _NSIG + EXC_BREAKPOINT) return TARGET_EXC_BREAKPOINT;
1257 #if defined (REALTIME_LO)
1258 if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
1259 return (enum target_signal)
1260 (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
1262 return TARGET_SIGNAL_UNKNOWN;
1266 target_signal_to_host (oursig)
1267 enum target_signal oursig;
1271 case TARGET_SIGNAL_0: return 0;
1273 #if defined (SIGHUP)
1274 case TARGET_SIGNAL_HUP: return SIGHUP;
1276 #if defined (SIGINT)
1277 case TARGET_SIGNAL_INT: return SIGINT;
1279 #if defined (SIGQUIT)
1280 case TARGET_SIGNAL_QUIT: return SIGQUIT;
1282 #if defined (SIGILL)
1283 case TARGET_SIGNAL_ILL: return SIGILL;
1285 #if defined (SIGTRAP)
1286 case TARGET_SIGNAL_TRAP: return SIGTRAP;
1288 #if defined (SIGABRT)
1289 case TARGET_SIGNAL_ABRT: return SIGABRT;
1291 #if defined (SIGEMT)
1292 case TARGET_SIGNAL_EMT: return SIGEMT;
1294 #if defined (SIGFPE)
1295 case TARGET_SIGNAL_FPE: return SIGFPE;
1297 #if defined (SIGKILL)
1298 case TARGET_SIGNAL_KILL: return SIGKILL;
1300 #if defined (SIGBUS)
1301 case TARGET_SIGNAL_BUS: return SIGBUS;
1303 #if defined (SIGSEGV)
1304 case TARGET_SIGNAL_SEGV: return SIGSEGV;
1306 #if defined (SIGSYS)
1307 case TARGET_SIGNAL_SYS: return SIGSYS;
1309 #if defined (SIGPIPE)
1310 case TARGET_SIGNAL_PIPE: return SIGPIPE;
1312 #if defined (SIGALRM)
1313 case TARGET_SIGNAL_ALRM: return SIGALRM;
1315 #if defined (SIGTERM)
1316 case TARGET_SIGNAL_TERM: return SIGTERM;
1318 #if defined (SIGUSR1)
1319 case TARGET_SIGNAL_USR1: return SIGUSR1;
1321 #if defined (SIGUSR2)
1322 case TARGET_SIGNAL_USR2: return SIGUSR2;
1324 #if defined (SIGCHLD) || defined (SIGCLD)
1325 case TARGET_SIGNAL_CHLD:
1326 #if defined (SIGCHLD)
1331 #endif /* SIGCLD or SIGCHLD */
1332 #if defined (SIGPWR)
1333 case TARGET_SIGNAL_PWR: return SIGPWR;
1335 #if defined (SIGWINCH)
1336 case TARGET_SIGNAL_WINCH: return SIGWINCH;
1338 #if defined (SIGURG)
1339 case TARGET_SIGNAL_URG: return SIGURG;
1342 case TARGET_SIGNAL_IO: return SIGIO;
1344 #if defined (SIGPOLL)
1345 case TARGET_SIGNAL_POLL: return SIGPOLL;
1347 #if defined (SIGSTOP)
1348 case TARGET_SIGNAL_STOP: return SIGSTOP;
1350 #if defined (SIGTSTP)
1351 case TARGET_SIGNAL_TSTP: return SIGTSTP;
1353 #if defined (SIGCONT)
1354 case TARGET_SIGNAL_CONT: return SIGCONT;
1356 #if defined (SIGTTIN)
1357 case TARGET_SIGNAL_TTIN: return SIGTTIN;
1359 #if defined (SIGTTOU)
1360 case TARGET_SIGNAL_TTOU: return SIGTTOU;
1362 #if defined (SIGVTALRM)
1363 case TARGET_SIGNAL_VTALRM: return SIGVTALRM;
1365 #if defined (SIGPROF)
1366 case TARGET_SIGNAL_PROF: return SIGPROF;
1368 #if defined (SIGXCPU)
1369 case TARGET_SIGNAL_XCPU: return SIGXCPU;
1371 #if defined (SIGXFSZ)
1372 case TARGET_SIGNAL_XFSZ: return SIGXFSZ;
1374 #if defined (SIGWIND)
1375 case TARGET_SIGNAL_WIND: return SIGWIND;
1377 #if defined (SIGPHONE)
1378 case TARGET_SIGNAL_PHONE: return SIGPHONE;
1380 #if defined (SIGLOST)
1381 case TARGET_SIGNAL_LOST: return SIGLOST;
1383 #if defined (SIGWAITING)
1384 case TARGET_SIGNAL_WAITING: return SIGWAITING;
1386 #if defined (SIGLWP)
1387 case TARGET_SIGNAL_LWP: return SIGLWP;
1389 #if defined (SIGDANGER)
1390 case TARGET_SIGNAL_DANGER: return SIGDANGER;
1392 #if defined (SIGGRANT)
1393 case TARGET_SIGNAL_GRANT: return SIGGRANT;
1395 #if defined (SIGRETRACT)
1396 case TARGET_SIGNAL_RETRACT: return SIGRETRACT;
1398 #if defined (SIGMSG)
1399 case TARGET_SIGNAL_MSG: return SIGMSG;
1401 #if defined (SIGSOUND)
1402 case TARGET_SIGNAL_SOUND: return SIGSOUND;
1404 #if defined (SIGSAK)
1405 case TARGET_SIGNAL_SAK: return SIGSAK;
1407 #if defined (SIGPRIO)
1408 case TARGET_SIGNAL_PRIO: return SIGPRIO;
1411 /* Mach exceptions. Assumes that the values for EXC_ are positive! */
1412 #if defined (EXC_BAD_ACCESS) && defined (_NSIG)
1413 case TARGET_EXC_BAD_ACCESS: return _NSIG + EXC_BAD_ACCESS;
1415 #if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
1416 case TARGET_EXC_BAD_INSTRUCTION: return _NSIG + EXC_BAD_INSTRUCTION;
1418 #if defined (EXC_ARITHMETIC) && defined (_NSIG)
1419 case TARGET_EXC_ARITHMETIC: return _NSIG + EXC_ARITHMETIC;
1421 #if defined (EXC_EMULATION) && defined (_NSIG)
1422 case TARGET_EXC_EMULATION: return _NSIG + EXC_EMULATION;
1424 #if defined (EXC_SOFTWARE) && defined (_NSIG)
1425 case TARGET_EXC_SOFTWARE: return _NSIG + EXC_SOFTWARE;
1427 #if defined (EXC_BREAKPOINT) && defined (_NSIG)
1428 case TARGET_EXC_BREAKPOINT: return _NSIG + EXC_BREAKPOINT;
1432 #if defined (REALTIME_LO)
1433 if (oursig >= TARGET_SIGNAL_REALTIME_33
1434 && oursig <= TARGET_SIGNAL_REALTIME_63)
1437 (int)oursig - (int)TARGET_SIGNAL_REALTIME_33 + REALTIME_LO;
1438 if (retsig < REALTIME_HI)
1442 /* The user might be trying to do "signal SIGSAK" where this system
1443 doesn't have SIGSAK. */
1444 warning ("Signal %s does not exist on this system.\n",
1445 target_signal_to_name (oursig));
1450 /* Helper function for child_wait and the Lynx derivatives of child_wait.
1451 HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
1452 translation of that in OURSTATUS. */
1454 store_waitstatus (ourstatus, hoststatus)
1455 struct target_waitstatus *ourstatus;
1458 #ifdef CHILD_SPECIAL_WAITSTATUS
1459 /* CHILD_SPECIAL_WAITSTATUS should return nonzero and set *OURSTATUS
1460 if it wants to deal with hoststatus. */
1461 if (CHILD_SPECIAL_WAITSTATUS (ourstatus, hoststatus))
1465 if (WIFEXITED (hoststatus))
1467 ourstatus->kind = TARGET_WAITKIND_EXITED;
1468 ourstatus->value.integer = WEXITSTATUS (hoststatus);
1470 else if (!WIFSTOPPED (hoststatus))
1472 ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
1473 ourstatus->value.sig = target_signal_from_host (WTERMSIG (hoststatus));
1477 ourstatus->kind = TARGET_WAITKIND_STOPPED;
1478 ourstatus->value.sig = target_signal_from_host (WSTOPSIG (hoststatus));
1482 /* In some circumstances we allow a command to specify a numeric
1483 signal. The idea is to keep these circumstances limited so that
1484 users (and scripts) develop portable habits. For comparison,
1485 POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
1486 numeric signal at all is obscelescent. We are slightly more
1487 lenient and allow 1-15 which should match host signal numbers on
1488 most systems. Use of symbolic signal names is strongly encouraged. */
1491 target_signal_from_command (num)
1494 if (num >= 1 && num <= 15)
1495 return (enum target_signal)num;
1496 error ("Only signals 1-15 are valid as numeric signals.\n\
1497 Use \"info signals\" for a list of symbolic signals.");
1500 /* Returns zero to leave the inferior alone, one to interrupt it. */
1501 int (*target_activity_function) PARAMS ((void));
1502 int target_activity_fd;
1504 /* Convert a normal process ID to a string. Returns the string in a static
1508 normal_pid_to_str (pid)
1511 static char buf[30];
1513 if (STREQ (current_target.to_shortname, "remote"))
1514 sprintf (buf, "thread %d", pid);
1516 sprintf (buf, "process %d", pid);
1521 #ifdef MAINTENANCE_CMDS
1522 static struct target_ops debug_target;
1525 debug_to_open (args, from_tty)
1529 debug_target.to_open (args, from_tty);
1531 fprintf_unfiltered (stderr, "target_open (%s, %d)\n", args, from_tty);
1535 debug_to_close (quitting)
1538 debug_target.to_close (quitting);
1540 fprintf_unfiltered (stderr, "target_close (%d)\n", quitting);
1544 debug_to_attach (args, from_tty)
1548 debug_target.to_attach (args, from_tty);
1550 fprintf_unfiltered (stderr, "target_attach (%s, %d)\n", args, from_tty);
1554 debug_to_detach (args, from_tty)
1558 debug_target.to_detach (args, from_tty);
1560 fprintf_unfiltered (stderr, "target_detach (%s, %d)\n", args, from_tty);
1564 debug_to_resume (pid, step, siggnal)
1567 enum target_signal siggnal;
1569 debug_target.to_resume (pid, step, siggnal);
1571 fprintf_unfiltered (stderr, "target_resume (%d, %s, %s)\n", pid,
1572 step ? "step" : "continue",
1573 target_signal_to_name (siggnal));
1577 debug_to_wait (pid, status)
1579 struct target_waitstatus *status;
1583 retval = debug_target.to_wait (pid, status);
1585 fprintf_unfiltered (stderr, "target_wait (%d, status) = %d, ", pid, retval);
1586 fprintf_unfiltered (stderr, "status->kind = ");
1587 switch (status->kind)
1589 case TARGET_WAITKIND_EXITED:
1590 fprintf_unfiltered (stderr, "exited, status = %d\n", status->value.integer);
1592 case TARGET_WAITKIND_STOPPED:
1593 fprintf_unfiltered (stderr, "stopped, signal = %s\n",
1594 target_signal_to_name (status->value.sig));
1596 case TARGET_WAITKIND_SIGNALLED:
1597 fprintf_unfiltered (stderr, "signalled, signal = %s\n",
1598 target_signal_to_name (status->value.sig));
1600 case TARGET_WAITKIND_LOADED:
1601 fprintf_unfiltered (stderr, "loaded\n");
1603 case TARGET_WAITKIND_SPURIOUS:
1604 fprintf_unfiltered (stderr, "spurious\n");
1607 fprintf_unfiltered (stderr, "unknown???\n");
1615 debug_to_fetch_registers (regno)
1618 debug_target.to_fetch_registers (regno);
1620 fprintf_unfiltered (stderr, "target_fetch_registers (%s)",
1621 regno != -1 ? reg_names[regno] : "-1");
1623 fprintf_unfiltered (stderr, " = 0x%x %d", read_register (regno),
1624 read_register (regno));
1625 fprintf_unfiltered (stderr, "\n");
1629 debug_to_store_registers (regno)
1632 debug_target.to_store_registers (regno);
1634 if (regno >= 0 && regno < NUM_REGS)
1635 fprintf_unfiltered (stderr, "target_store_registers (%s) = 0x%x %d\n",
1636 reg_names[regno], read_register (regno),
1637 read_register (regno));
1639 fprintf_unfiltered (stderr, "target_store_registers (%d)\n", regno);
1643 debug_to_prepare_to_store ()
1645 debug_target.to_prepare_to_store ();
1647 fprintf_unfiltered (stderr, "target_prepare_to_store ()\n");
1651 debug_to_xfer_memory (memaddr, myaddr, len, write, target)
1656 struct target_ops *target;
1660 retval = debug_target.to_xfer_memory (memaddr, myaddr, len, write, target);
1662 fprintf_unfiltered (stderr,
1663 "target_xfer_memory (0x%x, xxx, %d, %s, xxx) = %d",
1664 memaddr, len, write ? "write" : "read", retval);
1670 fputs_unfiltered (", bytes =", gdb_stderr);
1671 for (i = 0; i < retval; i++)
1673 if ((((long) &(myaddr[i])) & 0xf) == 0)
1674 fprintf_unfiltered (stderr, "\n");
1675 fprintf_unfiltered (stderr, " %02x", myaddr[i] & 0xff);
1679 fputc_unfiltered ('\n', gdb_stderr);
1685 debug_to_files_info (target)
1686 struct target_ops *target;
1688 debug_target.to_files_info (target);
1690 fprintf_unfiltered (stderr, "target_files_info (xxx)\n");
1694 debug_to_insert_breakpoint (addr, save)
1700 retval = debug_target.to_insert_breakpoint (addr, save);
1702 fprintf_unfiltered (stderr, "target_insert_breakpoint (0x%x, xxx) = %d\n",
1708 debug_to_remove_breakpoint (addr, save)
1714 retval = debug_target.to_remove_breakpoint (addr, save);
1716 fprintf_unfiltered (stderr, "target_remove_breakpoint (0x%x, xxx) = %d\n",
1722 debug_to_terminal_init ()
1724 debug_target.to_terminal_init ();
1726 fprintf_unfiltered (stderr, "target_terminal_init ()\n");
1730 debug_to_terminal_inferior ()
1732 debug_target.to_terminal_inferior ();
1734 fprintf_unfiltered (stderr, "target_terminal_inferior ()\n");
1738 debug_to_terminal_ours_for_output ()
1740 debug_target.to_terminal_ours_for_output ();
1742 fprintf_unfiltered (stderr, "target_terminal_ours_for_output ()\n");
1746 debug_to_terminal_ours ()
1748 debug_target.to_terminal_ours ();
1750 fprintf_unfiltered (stderr, "target_terminal_ours ()\n");
1754 debug_to_terminal_info (arg, from_tty)
1758 debug_target.to_terminal_info (arg, from_tty);
1760 fprintf_unfiltered (stderr, "target_terminal_info (%s, %d)\n", arg,
1767 debug_target.to_kill ();
1769 fprintf_unfiltered (stderr, "target_kill ()\n");
1773 debug_to_load (args, from_tty)
1777 debug_target.to_load (args, from_tty);
1779 fprintf_unfiltered (stderr, "target_load (%s, %d)\n", args, from_tty);
1783 debug_to_lookup_symbol (name, addrp)
1789 retval = debug_target.to_lookup_symbol (name, addrp);
1791 fprintf_unfiltered (stderr, "target_lookup_symbol (%s, xxx)\n", name);
1797 debug_to_create_inferior (exec_file, args, env)
1802 debug_target.to_create_inferior (exec_file, args, env);
1804 fprintf_unfiltered (stderr, "target_create_inferior (%s, %s, xxx)\n",
1809 debug_to_mourn_inferior ()
1811 debug_target.to_mourn_inferior ();
1813 fprintf_unfiltered (stderr, "target_mourn_inferior ()\n");
1821 retval = debug_target.to_can_run ();
1823 fprintf_unfiltered (stderr, "target_can_run () = %d\n", retval);
1829 debug_to_notice_signals (pid)
1832 debug_target.to_notice_signals (pid);
1834 fprintf_unfiltered (stderr, "target_notice_signals (%d)\n", pid);
1838 debug_to_thread_alive (pid)
1843 retval = debug_target.to_thread_alive (pid);
1845 fprintf_unfiltered (stderr, "target_thread_alive (%d) = %d\n", pid, retval);
1853 debug_target.to_stop ();
1855 fprintf_unfiltered (stderr, "target_stop ()\n");
1859 setup_target_debug ()
1861 memcpy (&debug_target, ¤t_target, sizeof debug_target);
1863 current_target.to_open = debug_to_open;
1864 current_target.to_close = debug_to_close;
1865 current_target.to_attach = debug_to_attach;
1866 current_target.to_detach = debug_to_detach;
1867 current_target.to_resume = debug_to_resume;
1868 current_target.to_wait = debug_to_wait;
1869 current_target.to_fetch_registers = debug_to_fetch_registers;
1870 current_target.to_store_registers = debug_to_store_registers;
1871 current_target.to_prepare_to_store = debug_to_prepare_to_store;
1872 current_target.to_xfer_memory = debug_to_xfer_memory;
1873 current_target.to_files_info = debug_to_files_info;
1874 current_target.to_insert_breakpoint = debug_to_insert_breakpoint;
1875 current_target.to_remove_breakpoint = debug_to_remove_breakpoint;
1876 current_target.to_terminal_init = debug_to_terminal_init;
1877 current_target.to_terminal_inferior = debug_to_terminal_inferior;
1878 current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output;
1879 current_target.to_terminal_ours = debug_to_terminal_ours;
1880 current_target.to_terminal_info = debug_to_terminal_info;
1881 current_target.to_kill = debug_to_kill;
1882 current_target.to_load = debug_to_load;
1883 current_target.to_lookup_symbol = debug_to_lookup_symbol;
1884 current_target.to_create_inferior = debug_to_create_inferior;
1885 current_target.to_mourn_inferior = debug_to_mourn_inferior;
1886 current_target.to_can_run = debug_to_can_run;
1887 current_target.to_notice_signals = debug_to_notice_signals;
1888 current_target.to_thread_alive = debug_to_thread_alive;
1889 current_target.to_stop = debug_to_stop;
1891 #endif /* MAINTENANCE_CMDS */
1893 static char targ_desc[] =
1894 "Names of targets and files being debugged.\n\
1895 Shows the entire stack of targets currently in use (including the exec-file,\n\
1896 core-file, and process, if any), as well as the symbol file name.";
1899 initialize_targets ()
1901 push_target (&dummy_target);
1903 add_info ("target", target_info, targ_desc);
1904 add_info ("files", target_info, targ_desc);
1906 #ifdef MAINTENANCE_CMDS
1908 add_set_cmd ("targetdebug", class_maintenance, var_zinteger,
1909 (char *)&targetdebug,
1910 "Set target debugging.\n\
1911 When non-zero, target debugging is enabled.", &setlist),
1915 if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))