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[/] [scarts/] [trunk/] [toolchain/] [scarts-gdb/] [gdb-6.8/] [gdb/] [signals/] [signals.c] - Blame information for rev 25

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1 25 jlechner 
/* Target signal translation functions for GDB.
2 
   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 
   2000, 2001, 2002, 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
4 
   Contributed by Cygnus Support.
5 
 
6 
   This file is part of GDB.
7 
 
8 
   This program is free software; you can redistribute it and/or modify
9 
   it under the terms of the GNU General Public License as published by
10 
   the Free Software Foundation; either version 3 of the License, or
11 
   (at your option) any later version.
12 
 
13 
   This program is distributed in the hope that it will be useful,
14 
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 
   GNU General Public License for more details.
17 
 
18 
   You should have received a copy of the GNU General Public License
19 
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20 
 
21 
#ifdef GDBSERVER
22 
#include "server.h"
23 
#else
24 
#include "defs.h"
25 
#include "target.h"
26 
#include "gdb_string.h"
27 
#endif
28 
 
29 
#ifdef HAVE_SIGNAL_H
30 
#include <signal.h>
31 
#endif
32 
 
33 
/* Always use __SIGRTMIN if it's available.  SIGRTMIN is the lowest
34 
   _available_ realtime signal, not the lowest supported; glibc takes
35 
   several for its own use.  */
36 
 
37 
#ifndef REALTIME_LO
38 
# if defined(__SIGRTMIN)
39 
#  define REALTIME_LO __SIGRTMIN
40 
#  define REALTIME_HI (__SIGRTMAX + 1)
41 
# elif defined(SIGRTMIN)
42 
#  define REALTIME_LO SIGRTMIN
43 
#  define REALTIME_HI (SIGRTMAX + 1)
44 
# endif
45 
#endif
46 
 
47 
/* This table must match in order and size the signals in enum target_signal
48 
   in src/include/gdb/signals.h.  */
49 
/* *INDENT-OFF* */
50 
static struct {
51 
  char *name;
52 
  char *string;
53 
  } signals [] =
54 
{
55 
  {"0", "Signal 0"},
56 
  {"SIGHUP", "Hangup"},
57 
  {"SIGINT", "Interrupt"},
58 
  {"SIGQUIT", "Quit"},
59 
  {"SIGILL", "Illegal instruction"},
60 
  {"SIGTRAP", "Trace/breakpoint trap"},
61 
  {"SIGABRT", "Aborted"},
62 
  {"SIGEMT", "Emulation trap"},
63 
  {"SIGFPE", "Arithmetic exception"},
64 
  {"SIGKILL", "Killed"},
65 
  {"SIGBUS", "Bus error"},
66 
  {"SIGSEGV", "Segmentation fault"},
67 
  {"SIGSYS", "Bad system call"},
68 
  {"SIGPIPE", "Broken pipe"},
69 
  {"SIGALRM", "Alarm clock"},
70 
  {"SIGTERM", "Terminated"},
71 
  {"SIGURG", "Urgent I/O condition"},
72 
  {"SIGSTOP", "Stopped (signal)"},
73 
  {"SIGTSTP", "Stopped (user)"},
74 
  {"SIGCONT", "Continued"},
75 
  {"SIGCHLD", "Child status changed"},
76 
  {"SIGTTIN", "Stopped (tty input)"},
77 
  {"SIGTTOU", "Stopped (tty output)"},
78 
  {"SIGIO", "I/O possible"},
79 
  {"SIGXCPU", "CPU time limit exceeded"},
80 
  {"SIGXFSZ", "File size limit exceeded"},
81 
  {"SIGVTALRM", "Virtual timer expired"},
82 
  {"SIGPROF", "Profiling timer expired"},
83 
  {"SIGWINCH", "Window size changed"},
84 
  {"SIGLOST", "Resource lost"},
85 
  {"SIGUSR1", "User defined signal 1"},
86 
  {"SIGUSR2", "User defined signal 2"},
87 
  {"SIGPWR", "Power fail/restart"},
88 
  {"SIGPOLL", "Pollable event occurred"},
89 
  {"SIGWIND", "SIGWIND"},
90 
  {"SIGPHONE", "SIGPHONE"},
91 
  {"SIGWAITING", "Process's LWPs are blocked"},
92 
  {"SIGLWP", "Signal LWP"},
93 
  {"SIGDANGER", "Swap space dangerously low"},
94 
  {"SIGGRANT", "Monitor mode granted"},
95 
  {"SIGRETRACT", "Need to relinquish monitor mode"},
96 
  {"SIGMSG", "Monitor mode data available"},
97 
  {"SIGSOUND", "Sound completed"},
98 
  {"SIGSAK", "Secure attention"},
99 
  {"SIGPRIO", "SIGPRIO"},
100 
  {"SIG33", "Real-time event 33"},
101 
  {"SIG34", "Real-time event 34"},
102 
  {"SIG35", "Real-time event 35"},
103 
  {"SIG36", "Real-time event 36"},
104 
  {"SIG37", "Real-time event 37"},
105 
  {"SIG38", "Real-time event 38"},
106 
  {"SIG39", "Real-time event 39"},
107 
  {"SIG40", "Real-time event 40"},
108 
  {"SIG41", "Real-time event 41"},
109 
  {"SIG42", "Real-time event 42"},
110 
  {"SIG43", "Real-time event 43"},
111 
  {"SIG44", "Real-time event 44"},
112 
  {"SIG45", "Real-time event 45"},
113 
  {"SIG46", "Real-time event 46"},
114 
  {"SIG47", "Real-time event 47"},
115 
  {"SIG48", "Real-time event 48"},
116 
  {"SIG49", "Real-time event 49"},
117 
  {"SIG50", "Real-time event 50"},
118 
  {"SIG51", "Real-time event 51"},
119 
  {"SIG52", "Real-time event 52"},
120 
  {"SIG53", "Real-time event 53"},
121 
  {"SIG54", "Real-time event 54"},
122 
  {"SIG55", "Real-time event 55"},
123 
  {"SIG56", "Real-time event 56"},
124 
  {"SIG57", "Real-time event 57"},
125 
  {"SIG58", "Real-time event 58"},
126 
  {"SIG59", "Real-time event 59"},
127 
  {"SIG60", "Real-time event 60"},
128 
  {"SIG61", "Real-time event 61"},
129 
  {"SIG62", "Real-time event 62"},
130 
  {"SIG63", "Real-time event 63"},
131 
  {"SIGCANCEL", "LWP internal signal"},
132 
  {"SIG32", "Real-time event 32"},
133 
  {"SIG64", "Real-time event 64"},
134 
  {"SIG65", "Real-time event 65"},
135 
  {"SIG66", "Real-time event 66"},
136 
  {"SIG67", "Real-time event 67"},
137 
  {"SIG68", "Real-time event 68"},
138 
  {"SIG69", "Real-time event 69"},
139 
  {"SIG70", "Real-time event 70"},
140 
  {"SIG71", "Real-time event 71"},
141 
  {"SIG72", "Real-time event 72"},
142 
  {"SIG73", "Real-time event 73"},
143 
  {"SIG74", "Real-time event 74"},
144 
  {"SIG75", "Real-time event 75"},
145 
  {"SIG76", "Real-time event 76"},
146 
  {"SIG77", "Real-time event 77"},
147 
  {"SIG78", "Real-time event 78"},
148 
  {"SIG79", "Real-time event 79"},
149 
  {"SIG80", "Real-time event 80"},
150 
  {"SIG81", "Real-time event 81"},
151 
  {"SIG82", "Real-time event 82"},
152 
  {"SIG83", "Real-time event 83"},
153 
  {"SIG84", "Real-time event 84"},
154 
  {"SIG85", "Real-time event 85"},
155 
  {"SIG86", "Real-time event 86"},
156 
  {"SIG87", "Real-time event 87"},
157 
  {"SIG88", "Real-time event 88"},
158 
  {"SIG89", "Real-time event 89"},
159 
  {"SIG90", "Real-time event 90"},
160 
  {"SIG91", "Real-time event 91"},
161 
  {"SIG92", "Real-time event 92"},
162 
  {"SIG93", "Real-time event 93"},
163 
  {"SIG94", "Real-time event 94"},
164 
  {"SIG95", "Real-time event 95"},
165 
  {"SIG96", "Real-time event 96"},
166 
  {"SIG97", "Real-time event 97"},
167 
  {"SIG98", "Real-time event 98"},
168 
  {"SIG99", "Real-time event 99"},
169 
  {"SIG100", "Real-time event 100"},
170 
  {"SIG101", "Real-time event 101"},
171 
  {"SIG102", "Real-time event 102"},
172 
  {"SIG103", "Real-time event 103"},
173 
  {"SIG104", "Real-time event 104"},
174 
  {"SIG105", "Real-time event 105"},
175 
  {"SIG106", "Real-time event 106"},
176 
  {"SIG107", "Real-time event 107"},
177 
  {"SIG108", "Real-time event 108"},
178 
  {"SIG109", "Real-time event 109"},
179 
  {"SIG110", "Real-time event 110"},
180 
  {"SIG111", "Real-time event 111"},
181 
  {"SIG112", "Real-time event 112"},
182 
  {"SIG113", "Real-time event 113"},
183 
  {"SIG114", "Real-time event 114"},
184 
  {"SIG115", "Real-time event 115"},
185 
  {"SIG116", "Real-time event 116"},
186 
  {"SIG117", "Real-time event 117"},
187 
  {"SIG118", "Real-time event 118"},
188 
  {"SIG119", "Real-time event 119"},
189 
  {"SIG120", "Real-time event 120"},
190 
  {"SIG121", "Real-time event 121"},
191 
  {"SIG122", "Real-time event 122"},
192 
  {"SIG123", "Real-time event 123"},
193 
  {"SIG124", "Real-time event 124"},
194 
  {"SIG125", "Real-time event 125"},
195 
  {"SIG126", "Real-time event 126"},
196 
  {"SIG127", "Real-time event 127"},
197 
 
198 
  {"SIGINFO", "Information request"},
199 
 
200 
  {NULL, "Unknown signal"},
201 
  {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
202 
 
203 
  /* Mach exceptions */
204 
  {"EXC_BAD_ACCESS", "Could not access memory"},
205 
  {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
206 
  {"EXC_ARITHMETIC", "Arithmetic exception"},
207 
  {"EXC_EMULATION", "Emulation instruction"},
208 
  {"EXC_SOFTWARE", "Software generated exception"},
209 
  {"EXC_BREAKPOINT", "Breakpoint"},
210 
 
211 
  /* Last entry, used to check whether the table is the right size.  */
212 
  {NULL, "TARGET_SIGNAL_MAGIC"}
213 
};
214 
/* *INDENT-ON* */
215 
 
216 
 
217 
 
218 
/* Return the string for a signal.  */
219 
char *
220 
target_signal_to_string (enum target_signal sig)
221 
{
222 
  if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST)
223 
    return signals[sig].string;
224 
  else
225 
    return signals[TARGET_SIGNAL_UNKNOWN].string;
226 
}
227 
 
228 
/* Return the name for a signal.  */
229 
char *
230 
target_signal_to_name (enum target_signal sig)
231 
{
232 
  if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST
233 
      && signals[sig].name != NULL)
234 
    return signals[sig].name;
235 
  else
236 
    /* I think the code which prints this will always print it along
237 
       with the string, so no need to be verbose (very old comment).  */
238 
    return "?";
239 
}
240 
 
241 
/* Given a name, return its signal.  */
242 
enum target_signal
243 
target_signal_from_name (char *name)
244 
{
245 
  enum target_signal sig;
246 
 
247 
  /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
248 
     for TARGET_SIGNAL_SIGCHLD.  SIGIOT, on the other hand, is more
249 
     questionable; seems like by now people should call it SIGABRT
250 
     instead.  */
251 
 
252 
  /* This ugly cast brought to you by the native VAX compiler.  */
253 
  for (sig = TARGET_SIGNAL_HUP;
254 
       sig < TARGET_SIGNAL_LAST;
255 
       sig = (enum target_signal) ((int) sig + 1))
256 
    if (signals[sig].name != NULL
257 
        && strcmp (name, signals[sig].name) == 0)
258 
      return sig;
259 
  return TARGET_SIGNAL_UNKNOWN;
260 
}
261 
 
262 
/* The following functions are to help certain targets deal
263 
   with the signal/waitstatus stuff.  They could just as well be in
264 
   a file called native-utils.c or unixwaitstatus-utils.c or whatever.  */
265 
 
266 
/* Convert host signal to our signals.  */
267 
enum target_signal
268 
target_signal_from_host (int hostsig)
269 
{
270 
  /* A switch statement would make sense but would require special kludges
271 
     to deal with the cases where more than one signal has the same number.  */
272 
 
273 
  if (hostsig == 0)
274 
    return TARGET_SIGNAL_0;
275 
 
276 
#if defined (SIGHUP)
277 
  if (hostsig == SIGHUP)
278 
    return TARGET_SIGNAL_HUP;
279 
#endif
280 
#if defined (SIGINT)
281 
  if (hostsig == SIGINT)
282 
    return TARGET_SIGNAL_INT;
283 
#endif
284 
#if defined (SIGQUIT)
285 
  if (hostsig == SIGQUIT)
286 
    return TARGET_SIGNAL_QUIT;
287 
#endif
288 
#if defined (SIGILL)
289 
  if (hostsig == SIGILL)
290 
    return TARGET_SIGNAL_ILL;
291 
#endif
292 
#if defined (SIGTRAP)
293 
  if (hostsig == SIGTRAP)
294 
    return TARGET_SIGNAL_TRAP;
295 
#endif
296 
#if defined (SIGABRT)
297 
  if (hostsig == SIGABRT)
298 
    return TARGET_SIGNAL_ABRT;
299 
#endif
300 
#if defined (SIGEMT)
301 
  if (hostsig == SIGEMT)
302 
    return TARGET_SIGNAL_EMT;
303 
#endif
304 
#if defined (SIGFPE)
305 
  if (hostsig == SIGFPE)
306 
    return TARGET_SIGNAL_FPE;
307 
#endif
308 
#if defined (SIGKILL)
309 
  if (hostsig == SIGKILL)
310 
    return TARGET_SIGNAL_KILL;
311 
#endif
312 
#if defined (SIGBUS)
313 
  if (hostsig == SIGBUS)
314 
    return TARGET_SIGNAL_BUS;
315 
#endif
316 
#if defined (SIGSEGV)
317 
  if (hostsig == SIGSEGV)
318 
    return TARGET_SIGNAL_SEGV;
319 
#endif
320 
#if defined (SIGSYS)
321 
  if (hostsig == SIGSYS)
322 
    return TARGET_SIGNAL_SYS;
323 
#endif
324 
#if defined (SIGPIPE)
325 
  if (hostsig == SIGPIPE)
326 
    return TARGET_SIGNAL_PIPE;
327 
#endif
328 
#if defined (SIGALRM)
329 
  if (hostsig == SIGALRM)
330 
    return TARGET_SIGNAL_ALRM;
331 
#endif
332 
#if defined (SIGTERM)
333 
  if (hostsig == SIGTERM)
334 
    return TARGET_SIGNAL_TERM;
335 
#endif
336 
#if defined (SIGUSR1)
337 
  if (hostsig == SIGUSR1)
338 
    return TARGET_SIGNAL_USR1;
339 
#endif
340 
#if defined (SIGUSR2)
341 
  if (hostsig == SIGUSR2)
342 
    return TARGET_SIGNAL_USR2;
343 
#endif
344 
#if defined (SIGCLD)
345 
  if (hostsig == SIGCLD)
346 
    return TARGET_SIGNAL_CHLD;
347 
#endif
348 
#if defined (SIGCHLD)
349 
  if (hostsig == SIGCHLD)
350 
    return TARGET_SIGNAL_CHLD;
351 
#endif
352 
#if defined (SIGPWR)
353 
  if (hostsig == SIGPWR)
354 
    return TARGET_SIGNAL_PWR;
355 
#endif
356 
#if defined (SIGWINCH)
357 
  if (hostsig == SIGWINCH)
358 
    return TARGET_SIGNAL_WINCH;
359 
#endif
360 
#if defined (SIGURG)
361 
  if (hostsig == SIGURG)
362 
    return TARGET_SIGNAL_URG;
363 
#endif
364 
#if defined (SIGIO)
365 
  if (hostsig == SIGIO)
366 
    return TARGET_SIGNAL_IO;
367 
#endif
368 
#if defined (SIGPOLL)
369 
  if (hostsig == SIGPOLL)
370 
    return TARGET_SIGNAL_POLL;
371 
#endif
372 
#if defined (SIGSTOP)
373 
  if (hostsig == SIGSTOP)
374 
    return TARGET_SIGNAL_STOP;
375 
#endif
376 
#if defined (SIGTSTP)
377 
  if (hostsig == SIGTSTP)
378 
    return TARGET_SIGNAL_TSTP;
379 
#endif
380 
#if defined (SIGCONT)
381 
  if (hostsig == SIGCONT)
382 
    return TARGET_SIGNAL_CONT;
383 
#endif
384 
#if defined (SIGTTIN)
385 
  if (hostsig == SIGTTIN)
386 
    return TARGET_SIGNAL_TTIN;
387 
#endif
388 
#if defined (SIGTTOU)
389 
  if (hostsig == SIGTTOU)
390 
    return TARGET_SIGNAL_TTOU;
391 
#endif
392 
#if defined (SIGVTALRM)
393 
  if (hostsig == SIGVTALRM)
394 
    return TARGET_SIGNAL_VTALRM;
395 
#endif
396 
#if defined (SIGPROF)
397 
  if (hostsig == SIGPROF)
398 
    return TARGET_SIGNAL_PROF;
399 
#endif
400 
#if defined (SIGXCPU)
401 
  if (hostsig == SIGXCPU)
402 
    return TARGET_SIGNAL_XCPU;
403 
#endif
404 
#if defined (SIGXFSZ)
405 
  if (hostsig == SIGXFSZ)
406 
    return TARGET_SIGNAL_XFSZ;
407 
#endif
408 
#if defined (SIGWIND)
409 
  if (hostsig == SIGWIND)
410 
    return TARGET_SIGNAL_WIND;
411 
#endif
412 
#if defined (SIGPHONE)
413 
  if (hostsig == SIGPHONE)
414 
    return TARGET_SIGNAL_PHONE;
415 
#endif
416 
#if defined (SIGLOST)
417 
  if (hostsig == SIGLOST)
418 
    return TARGET_SIGNAL_LOST;
419 
#endif
420 
#if defined (SIGWAITING)
421 
  if (hostsig == SIGWAITING)
422 
    return TARGET_SIGNAL_WAITING;
423 
#endif
424 
#if defined (SIGCANCEL)
425 
  if (hostsig == SIGCANCEL)
426 
    return TARGET_SIGNAL_CANCEL;
427 
#endif
428 
#if defined (SIGLWP)
429 
  if (hostsig == SIGLWP)
430 
    return TARGET_SIGNAL_LWP;
431 
#endif
432 
#if defined (SIGDANGER)
433 
  if (hostsig == SIGDANGER)
434 
    return TARGET_SIGNAL_DANGER;
435 
#endif
436 
#if defined (SIGGRANT)
437 
  if (hostsig == SIGGRANT)
438 
    return TARGET_SIGNAL_GRANT;
439 
#endif
440 
#if defined (SIGRETRACT)
441 
  if (hostsig == SIGRETRACT)
442 
    return TARGET_SIGNAL_RETRACT;
443 
#endif
444 
#if defined (SIGMSG)
445 
  if (hostsig == SIGMSG)
446 
    return TARGET_SIGNAL_MSG;
447 
#endif
448 
#if defined (SIGSOUND)
449 
  if (hostsig == SIGSOUND)
450 
    return TARGET_SIGNAL_SOUND;
451 
#endif
452 
#if defined (SIGSAK)
453 
  if (hostsig == SIGSAK)
454 
    return TARGET_SIGNAL_SAK;
455 
#endif
456 
#if defined (SIGPRIO)
457 
  if (hostsig == SIGPRIO)
458 
    return TARGET_SIGNAL_PRIO;
459 
#endif
460 
 
461 
  /* Mach exceptions.  Assumes that the values for EXC_ are positive! */
462 
#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
463 
  if (hostsig == _NSIG + EXC_BAD_ACCESS)
464 
    return TARGET_EXC_BAD_ACCESS;
465 
#endif
466 
#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
467 
  if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
468 
    return TARGET_EXC_BAD_INSTRUCTION;
469 
#endif
470 
#if defined (EXC_ARITHMETIC) && defined (_NSIG)
471 
  if (hostsig == _NSIG + EXC_ARITHMETIC)
472 
    return TARGET_EXC_ARITHMETIC;
473 
#endif
474 
#if defined (EXC_EMULATION) && defined (_NSIG)
475 
  if (hostsig == _NSIG + EXC_EMULATION)
476 
    return TARGET_EXC_EMULATION;
477 
#endif
478 
#if defined (EXC_SOFTWARE) && defined (_NSIG)
479 
  if (hostsig == _NSIG + EXC_SOFTWARE)
480 
    return TARGET_EXC_SOFTWARE;
481 
#endif
482 
#if defined (EXC_BREAKPOINT) && defined (_NSIG)
483 
  if (hostsig == _NSIG + EXC_BREAKPOINT)
484 
    return TARGET_EXC_BREAKPOINT;
485 
#endif
486 
 
487 
#if defined (SIGINFO)
488 
  if (hostsig == SIGINFO)
489 
    return TARGET_SIGNAL_INFO;
490 
#endif
491 
 
492 
#if defined (REALTIME_LO)
493 
  if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
494 
    {
495 
      /* This block of TARGET_SIGNAL_REALTIME value is in order.  */
496 
      if (33 <= hostsig && hostsig <= 63)
497 
        return (enum target_signal)
498 
          (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
499 
      else if (hostsig == 32)
500 
        return TARGET_SIGNAL_REALTIME_32;
501 
      else if (64 <= hostsig && hostsig <= 127)
502 
        return (enum target_signal)
503 
          (hostsig - 64 + (int) TARGET_SIGNAL_REALTIME_64);
504 
      else
505 
        error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
506 
    }
507 
#endif
508 
 
509 
  return TARGET_SIGNAL_UNKNOWN;
510 
}
511 
 
512 
/* Convert a OURSIG (an enum target_signal) to the form used by the
513 
   target operating system (refered to as the ``host'') or zero if the
514 
   equivalent host signal is not available.  Set/clear OURSIG_OK
515 
   accordingly. */
516 
 
517 
static int
518 
do_target_signal_to_host (enum target_signal oursig,
519 
                          int *oursig_ok)
520 
{
521 
  int retsig;
522 
  /* Silence the 'not used' warning, for targets that
523 
     do not support signals.  */
524 
  (void) retsig;
525 
 
526 
  *oursig_ok = 1;
527 
  switch (oursig)
528 
    {
529 
    case TARGET_SIGNAL_0:
530 
      return 0;
531 
 
532 
#if defined (SIGHUP)
533 
    case TARGET_SIGNAL_HUP:
534 
      return SIGHUP;
535 
#endif
536 
#if defined (SIGINT)
537 
    case TARGET_SIGNAL_INT:
538 
      return SIGINT;
539 
#endif
540 
#if defined (SIGQUIT)
541 
    case TARGET_SIGNAL_QUIT:
542 
      return SIGQUIT;
543 
#endif
544 
#if defined (SIGILL)
545 
    case TARGET_SIGNAL_ILL:
546 
      return SIGILL;
547 
#endif
548 
#if defined (SIGTRAP)
549 
    case TARGET_SIGNAL_TRAP:
550 
      return SIGTRAP;
551 
#endif
552 
#if defined (SIGABRT)
553 
    case TARGET_SIGNAL_ABRT:
554 
      return SIGABRT;
555 
#endif
556 
#if defined (SIGEMT)
557 
    case TARGET_SIGNAL_EMT:
558 
      return SIGEMT;
559 
#endif
560 
#if defined (SIGFPE)
561 
    case TARGET_SIGNAL_FPE:
562 
      return SIGFPE;
563 
#endif
564 
#if defined (SIGKILL)
565 
    case TARGET_SIGNAL_KILL:
566 
      return SIGKILL;
567 
#endif
568 
#if defined (SIGBUS)
569 
    case TARGET_SIGNAL_BUS:
570 
      return SIGBUS;
571 
#endif
572 
#if defined (SIGSEGV)
573 
    case TARGET_SIGNAL_SEGV:
574 
      return SIGSEGV;
575 
#endif
576 
#if defined (SIGSYS)
577 
    case TARGET_SIGNAL_SYS:
578 
      return SIGSYS;
579 
#endif
580 
#if defined (SIGPIPE)
581 
    case TARGET_SIGNAL_PIPE:
582 
      return SIGPIPE;
583 
#endif
584 
#if defined (SIGALRM)
585 
    case TARGET_SIGNAL_ALRM:
586 
      return SIGALRM;
587 
#endif
588 
#if defined (SIGTERM)
589 
    case TARGET_SIGNAL_TERM:
590 
      return SIGTERM;
591 
#endif
592 
#if defined (SIGUSR1)
593 
    case TARGET_SIGNAL_USR1:
594 
      return SIGUSR1;
595 
#endif
596 
#if defined (SIGUSR2)
597 
    case TARGET_SIGNAL_USR2:
598 
      return SIGUSR2;
599 
#endif
600 
#if defined (SIGCHLD) || defined (SIGCLD)
601 
    case TARGET_SIGNAL_CHLD:
602 
#if defined (SIGCHLD)
603 
      return SIGCHLD;
604 
#else
605 
      return SIGCLD;
606 
#endif
607 
#endif /* SIGCLD or SIGCHLD */
608 
#if defined (SIGPWR)
609 
    case TARGET_SIGNAL_PWR:
610 
      return SIGPWR;
611 
#endif
612 
#if defined (SIGWINCH)
613 
    case TARGET_SIGNAL_WINCH:
614 
      return SIGWINCH;
615 
#endif
616 
#if defined (SIGURG)
617 
    case TARGET_SIGNAL_URG:
618 
      return SIGURG;
619 
#endif
620 
#if defined (SIGIO)
621 
    case TARGET_SIGNAL_IO:
622 
      return SIGIO;
623 
#endif
624 
#if defined (SIGPOLL)
625 
    case TARGET_SIGNAL_POLL:
626 
      return SIGPOLL;
627 
#endif
628 
#if defined (SIGSTOP)
629 
    case TARGET_SIGNAL_STOP:
630 
      return SIGSTOP;
631 
#endif
632 
#if defined (SIGTSTP)
633 
    case TARGET_SIGNAL_TSTP:
634 
      return SIGTSTP;
635 
#endif
636 
#if defined (SIGCONT)
637 
    case TARGET_SIGNAL_CONT:
638 
      return SIGCONT;
639 
#endif
640 
#if defined (SIGTTIN)
641 
    case TARGET_SIGNAL_TTIN:
642 
      return SIGTTIN;
643 
#endif
644 
#if defined (SIGTTOU)
645 
    case TARGET_SIGNAL_TTOU:
646 
      return SIGTTOU;
647 
#endif
648 
#if defined (SIGVTALRM)
649 
    case TARGET_SIGNAL_VTALRM:
650 
      return SIGVTALRM;
651 
#endif
652 
#if defined (SIGPROF)
653 
    case TARGET_SIGNAL_PROF:
654 
      return SIGPROF;
655 
#endif
656 
#if defined (SIGXCPU)
657 
    case TARGET_SIGNAL_XCPU:
658 
      return SIGXCPU;
659 
#endif
660 
#if defined (SIGXFSZ)
661 
    case TARGET_SIGNAL_XFSZ:
662 
      return SIGXFSZ;
663 
#endif
664 
#if defined (SIGWIND)
665 
    case TARGET_SIGNAL_WIND:
666 
      return SIGWIND;
667 
#endif
668 
#if defined (SIGPHONE)
669 
    case TARGET_SIGNAL_PHONE:
670 
      return SIGPHONE;
671 
#endif
672 
#if defined (SIGLOST)
673 
    case TARGET_SIGNAL_LOST:
674 
      return SIGLOST;
675 
#endif
676 
#if defined (SIGWAITING)
677 
    case TARGET_SIGNAL_WAITING:
678 
      return SIGWAITING;
679 
#endif
680 
#if defined (SIGCANCEL)
681 
    case TARGET_SIGNAL_CANCEL:
682 
      return SIGCANCEL;
683 
#endif
684 
#if defined (SIGLWP)
685 
    case TARGET_SIGNAL_LWP:
686 
      return SIGLWP;
687 
#endif
688 
#if defined (SIGDANGER)
689 
    case TARGET_SIGNAL_DANGER:
690 
      return SIGDANGER;
691 
#endif
692 
#if defined (SIGGRANT)
693 
    case TARGET_SIGNAL_GRANT:
694 
      return SIGGRANT;
695 
#endif
696 
#if defined (SIGRETRACT)
697 
    case TARGET_SIGNAL_RETRACT:
698 
      return SIGRETRACT;
699 
#endif
700 
#if defined (SIGMSG)
701 
    case TARGET_SIGNAL_MSG:
702 
      return SIGMSG;
703 
#endif
704 
#if defined (SIGSOUND)
705 
    case TARGET_SIGNAL_SOUND:
706 
      return SIGSOUND;
707 
#endif
708 
#if defined (SIGSAK)
709 
    case TARGET_SIGNAL_SAK:
710 
      return SIGSAK;
711 
#endif
712 
#if defined (SIGPRIO)
713 
    case TARGET_SIGNAL_PRIO:
714 
      return SIGPRIO;
715 
#endif
716 
 
717 
      /* Mach exceptions.  Assumes that the values for EXC_ are positive! */
718 
#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
719 
    case TARGET_EXC_BAD_ACCESS:
720 
      return _NSIG + EXC_BAD_ACCESS;
721 
#endif
722 
#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
723 
    case TARGET_EXC_BAD_INSTRUCTION:
724 
      return _NSIG + EXC_BAD_INSTRUCTION;
725 
#endif
726 
#if defined (EXC_ARITHMETIC) && defined (_NSIG)
727 
    case TARGET_EXC_ARITHMETIC:
728 
      return _NSIG + EXC_ARITHMETIC;
729 
#endif
730 
#if defined (EXC_EMULATION) && defined (_NSIG)
731 
    case TARGET_EXC_EMULATION:
732 
      return _NSIG + EXC_EMULATION;
733 
#endif
734 
#if defined (EXC_SOFTWARE) && defined (_NSIG)
735 
    case TARGET_EXC_SOFTWARE:
736 
      return _NSIG + EXC_SOFTWARE;
737 
#endif
738 
#if defined (EXC_BREAKPOINT) && defined (_NSIG)
739 
    case TARGET_EXC_BREAKPOINT:
740 
      return _NSIG + EXC_BREAKPOINT;
741 
#endif
742 
 
743 
#if defined (SIGINFO)
744 
    case TARGET_SIGNAL_INFO:
745 
      return SIGINFO;
746 
#endif
747 
 
748 
    default:
749 
#if defined (REALTIME_LO)
750 
      retsig = 0;
751 
 
752 
      if (oursig >= TARGET_SIGNAL_REALTIME_33
753 
          && oursig <= TARGET_SIGNAL_REALTIME_63)
754 
        {
755 
          /* This block of signals is continuous, and
756 
             TARGET_SIGNAL_REALTIME_33 is 33 by definition.  */
757 
          retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
758 
        }
759 
      else if (oursig == TARGET_SIGNAL_REALTIME_32)
760 
        {
761 
          /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
762 
             TARGET_SIGNAL_REALTIME_33.  It is 32 by definition.  */
763 
          retsig = 32;
764 
        }
765 
      else if (oursig >= TARGET_SIGNAL_REALTIME_64
766 
          && oursig <= TARGET_SIGNAL_REALTIME_127)
767 
        {
768 
          /* This block of signals is continuous, and
769 
             TARGET_SIGNAL_REALTIME_64 is 64 by definition.  */
770 
          retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_64 + 64;
771 
        }
772 
 
773 
      if (retsig >= REALTIME_LO && retsig < REALTIME_HI)
774 
        return retsig;
775 
#endif
776 
 
777 
      *oursig_ok = 0;
778 
      return 0;
779 
    }
780 
}
781 
 
782 
int
783 
target_signal_to_host_p (enum target_signal oursig)
784 
{
785 
  int oursig_ok;
786 
  do_target_signal_to_host (oursig, &oursig_ok);
787 
  return oursig_ok;
788 
}
789 
 
790 
int
791 
target_signal_to_host (enum target_signal oursig)
792 
{
793 
  int oursig_ok;
794 
  int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
795 
  if (!oursig_ok)
796 
    {
797 
      /* The user might be trying to do "signal SIGSAK" where this system
798 
         doesn't have SIGSAK.  */
799 
      warning ("Signal %s does not exist on this system.\n",
800 
               target_signal_to_name (oursig));
801 
      return 0;
802 
    }
803 
  else
804 
    return targ_signo;
805 
}
806 
 
807 
/* In some circumstances we allow a command to specify a numeric
808 
   signal.  The idea is to keep these circumstances limited so that
809 
   users (and scripts) develop portable habits.  For comparison,
810 
   POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
811 
   numeric signal at all is obsolescent.  We are slightly more
812 
   lenient and allow 1-15 which should match host signal numbers on
813 
   most systems.  Use of symbolic signal names is strongly encouraged.  */
814 
 
815 
enum target_signal
816 
target_signal_from_command (int num)
817 
{
818 
  if (num >= 1 && num <= 15)
819 
    return (enum target_signal) num;
820 
  error ("Only signals 1-15 are valid as numeric signals.\n\
821 
Use \"info signals\" for a list of symbolic signals.");
822 
}
823 
 
824 
#ifndef GDBSERVER
825 
extern initialize_file_ftype _initialize_signals; /* -Wmissing-prototype */
826 
 
827 
void
828 
_initialize_signals (void)
829 
{
830 
  if (strcmp (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC") != 0)
831 
    internal_error (__FILE__, __LINE__, "failed internal consistency check");
832 
}
833 
#endif

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