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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [common/] [signals.c] - Blame information for rev 853

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1 227 jeremybenn 
/* 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, 2009, 2010
4 
   Free Software Foundation, Inc.
5 
   Contributed by Cygnus Support.
6 
 
7 
   This file is part of GDB.
8 
 
9 
   This program is free software; you can redistribute it and/or modify
10 
   it under the terms of the GNU General Public License as published by
11 
   the Free Software Foundation; either version 3 of the License, or
12 
   (at your option) any later version.
13 
 
14 
   This program is distributed in the hope that it will be useful,
15 
   but WITHOUT ANY WARRANTY; without even the implied warranty of
16 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 
   GNU General Public License for more details.
18 
 
19 
   You should have received a copy of the GNU General Public License
20 
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
21 
 
22 
#ifdef GDBSERVER
23 
#include "server.h"
24 
#else
25 
#include "defs.h"
26 
#include "gdb_string.h"
27 
#endif
28 
 
29 
#ifdef HAVE_SIGNAL_H
30 
#include <signal.h>
31 
#endif
32 
 
33 
#include "gdb_signals.h"
34 
 
35 
struct gdbarch;
36 
 
37 
/* Always use __SIGRTMIN if it's available.  SIGRTMIN is the lowest
38 
   _available_ realtime signal, not the lowest supported; glibc takes
39 
   several for its own use.  */
40 
 
41 
#ifndef REALTIME_LO
42 
# if defined(__SIGRTMIN)
43 
#  define REALTIME_LO __SIGRTMIN
44 
#  define REALTIME_HI (__SIGRTMAX + 1)
45 
# elif defined(SIGRTMIN)
46 
#  define REALTIME_LO SIGRTMIN
47 
#  define REALTIME_HI (SIGRTMAX + 1)
48 
# endif
49 
#endif
50 
 
51 
/* This table must match in order and size the signals in enum target_signal
52 
   in src/include/gdb/signals.h.  */
53 
/* *INDENT-OFF* */
54 
static const struct {
55 
  const char *name;
56 
  const char *string;
57 
  } signals [] =
58 
{
59 
  {"0", "Signal 0"},
60 
  {"SIGHUP", "Hangup"},
61 
  {"SIGINT", "Interrupt"},
62 
  {"SIGQUIT", "Quit"},
63 
  {"SIGILL", "Illegal instruction"},
64 
  {"SIGTRAP", "Trace/breakpoint trap"},
65 
  {"SIGABRT", "Aborted"},
66 
  {"SIGEMT", "Emulation trap"},
67 
  {"SIGFPE", "Arithmetic exception"},
68 
  {"SIGKILL", "Killed"},
69 
  {"SIGBUS", "Bus error"},
70 
  {"SIGSEGV", "Segmentation fault"},
71 
  {"SIGSYS", "Bad system call"},
72 
  {"SIGPIPE", "Broken pipe"},
73 
  {"SIGALRM", "Alarm clock"},
74 
  {"SIGTERM", "Terminated"},
75 
  {"SIGURG", "Urgent I/O condition"},
76 
  {"SIGSTOP", "Stopped (signal)"},
77 
  {"SIGTSTP", "Stopped (user)"},
78 
  {"SIGCONT", "Continued"},
79 
  {"SIGCHLD", "Child status changed"},
80 
  {"SIGTTIN", "Stopped (tty input)"},
81 
  {"SIGTTOU", "Stopped (tty output)"},
82 
  {"SIGIO", "I/O possible"},
83 
  {"SIGXCPU", "CPU time limit exceeded"},
84 
  {"SIGXFSZ", "File size limit exceeded"},
85 
  {"SIGVTALRM", "Virtual timer expired"},
86 
  {"SIGPROF", "Profiling timer expired"},
87 
  {"SIGWINCH", "Window size changed"},
88 
  {"SIGLOST", "Resource lost"},
89 
  {"SIGUSR1", "User defined signal 1"},
90 
  {"SIGUSR2", "User defined signal 2"},
91 
  {"SIGPWR", "Power fail/restart"},
92 
  {"SIGPOLL", "Pollable event occurred"},
93 
  {"SIGWIND", "SIGWIND"},
94 
  {"SIGPHONE", "SIGPHONE"},
95 
  {"SIGWAITING", "Process's LWPs are blocked"},
96 
  {"SIGLWP", "Signal LWP"},
97 
  {"SIGDANGER", "Swap space dangerously low"},
98 
  {"SIGGRANT", "Monitor mode granted"},
99 
  {"SIGRETRACT", "Need to relinquish monitor mode"},
100 
  {"SIGMSG", "Monitor mode data available"},
101 
  {"SIGSOUND", "Sound completed"},
102 
  {"SIGSAK", "Secure attention"},
103 
  {"SIGPRIO", "SIGPRIO"},
104 
  {"SIG33", "Real-time event 33"},
105 
  {"SIG34", "Real-time event 34"},
106 
  {"SIG35", "Real-time event 35"},
107 
  {"SIG36", "Real-time event 36"},
108 
  {"SIG37", "Real-time event 37"},
109 
  {"SIG38", "Real-time event 38"},
110 
  {"SIG39", "Real-time event 39"},
111 
  {"SIG40", "Real-time event 40"},
112 
  {"SIG41", "Real-time event 41"},
113 
  {"SIG42", "Real-time event 42"},
114 
  {"SIG43", "Real-time event 43"},
115 
  {"SIG44", "Real-time event 44"},
116 
  {"SIG45", "Real-time event 45"},
117 
  {"SIG46", "Real-time event 46"},
118 
  {"SIG47", "Real-time event 47"},
119 
  {"SIG48", "Real-time event 48"},
120 
  {"SIG49", "Real-time event 49"},
121 
  {"SIG50", "Real-time event 50"},
122 
  {"SIG51", "Real-time event 51"},
123 
  {"SIG52", "Real-time event 52"},
124 
  {"SIG53", "Real-time event 53"},
125 
  {"SIG54", "Real-time event 54"},
126 
  {"SIG55", "Real-time event 55"},
127 
  {"SIG56", "Real-time event 56"},
128 
  {"SIG57", "Real-time event 57"},
129 
  {"SIG58", "Real-time event 58"},
130 
  {"SIG59", "Real-time event 59"},
131 
  {"SIG60", "Real-time event 60"},
132 
  {"SIG61", "Real-time event 61"},
133 
  {"SIG62", "Real-time event 62"},
134 
  {"SIG63", "Real-time event 63"},
135 
  {"SIGCANCEL", "LWP internal signal"},
136 
  {"SIG32", "Real-time event 32"},
137 
  {"SIG64", "Real-time event 64"},
138 
  {"SIG65", "Real-time event 65"},
139 
  {"SIG66", "Real-time event 66"},
140 
  {"SIG67", "Real-time event 67"},
141 
  {"SIG68", "Real-time event 68"},
142 
  {"SIG69", "Real-time event 69"},
143 
  {"SIG70", "Real-time event 70"},
144 
  {"SIG71", "Real-time event 71"},
145 
  {"SIG72", "Real-time event 72"},
146 
  {"SIG73", "Real-time event 73"},
147 
  {"SIG74", "Real-time event 74"},
148 
  {"SIG75", "Real-time event 75"},
149 
  {"SIG76", "Real-time event 76"},
150 
  {"SIG77", "Real-time event 77"},
151 
  {"SIG78", "Real-time event 78"},
152 
  {"SIG79", "Real-time event 79"},
153 
  {"SIG80", "Real-time event 80"},
154 
  {"SIG81", "Real-time event 81"},
155 
  {"SIG82", "Real-time event 82"},
156 
  {"SIG83", "Real-time event 83"},
157 
  {"SIG84", "Real-time event 84"},
158 
  {"SIG85", "Real-time event 85"},
159 
  {"SIG86", "Real-time event 86"},
160 
  {"SIG87", "Real-time event 87"},
161 
  {"SIG88", "Real-time event 88"},
162 
  {"SIG89", "Real-time event 89"},
163 
  {"SIG90", "Real-time event 90"},
164 
  {"SIG91", "Real-time event 91"},
165 
  {"SIG92", "Real-time event 92"},
166 
  {"SIG93", "Real-time event 93"},
167 
  {"SIG94", "Real-time event 94"},
168 
  {"SIG95", "Real-time event 95"},
169 
  {"SIG96", "Real-time event 96"},
170 
  {"SIG97", "Real-time event 97"},
171 
  {"SIG98", "Real-time event 98"},
172 
  {"SIG99", "Real-time event 99"},
173 
  {"SIG100", "Real-time event 100"},
174 
  {"SIG101", "Real-time event 101"},
175 
  {"SIG102", "Real-time event 102"},
176 
  {"SIG103", "Real-time event 103"},
177 
  {"SIG104", "Real-time event 104"},
178 
  {"SIG105", "Real-time event 105"},
179 
  {"SIG106", "Real-time event 106"},
180 
  {"SIG107", "Real-time event 107"},
181 
  {"SIG108", "Real-time event 108"},
182 
  {"SIG109", "Real-time event 109"},
183 
  {"SIG110", "Real-time event 110"},
184 
  {"SIG111", "Real-time event 111"},
185 
  {"SIG112", "Real-time event 112"},
186 
  {"SIG113", "Real-time event 113"},
187 
  {"SIG114", "Real-time event 114"},
188 
  {"SIG115", "Real-time event 115"},
189 
  {"SIG116", "Real-time event 116"},
190 
  {"SIG117", "Real-time event 117"},
191 
  {"SIG118", "Real-time event 118"},
192 
  {"SIG119", "Real-time event 119"},
193 
  {"SIG120", "Real-time event 120"},
194 
  {"SIG121", "Real-time event 121"},
195 
  {"SIG122", "Real-time event 122"},
196 
  {"SIG123", "Real-time event 123"},
197 
  {"SIG124", "Real-time event 124"},
198 
  {"SIG125", "Real-time event 125"},
199 
  {"SIG126", "Real-time event 126"},
200 
  {"SIG127", "Real-time event 127"},
201 
 
202 
  {"SIGINFO", "Information request"},
203 
 
204 
  {NULL, "Unknown signal"},
205 
  {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
206 
 
207 
  /* Mach exceptions */
208 
  {"EXC_BAD_ACCESS", "Could not access memory"},
209 
  {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
210 
  {"EXC_ARITHMETIC", "Arithmetic exception"},
211 
  {"EXC_EMULATION", "Emulation instruction"},
212 
  {"EXC_SOFTWARE", "Software generated exception"},
213 
  {"EXC_BREAKPOINT", "Breakpoint"},
214 
 
215 
  /* Last entry, used to check whether the table is the right size.  */
216 
  {NULL, "TARGET_SIGNAL_MAGIC"}
217 
};
218 
/* *INDENT-ON* */
219 
 
220 
 
221 
 
222 
/* Return the string for a signal.  */
223 
const char *
224 
target_signal_to_string (enum target_signal sig)
225 
{
226 
  if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST)
227 
    return signals[sig].string;
228 
  else
229 
    return signals[TARGET_SIGNAL_UNKNOWN].string;
230 
}
231 
 
232 
/* Return the name for a signal.  */
233 
const char *
234 
target_signal_to_name (enum target_signal sig)
235 
{
236 
  if ((int) sig >= TARGET_SIGNAL_FIRST && (int) sig <= TARGET_SIGNAL_LAST
237 
      && signals[sig].name != NULL)
238 
    return signals[sig].name;
239 
  else
240 
    /* I think the code which prints this will always print it along
241 
       with the string, so no need to be verbose (very old comment).  */
242 
    return "?";
243 
}
244 
 
245 
/* Given a name, return its signal.  */
246 
enum target_signal
247 
target_signal_from_name (const char *name)
248 
{
249 
  enum target_signal sig;
250 
 
251 
  /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
252 
     for TARGET_SIGNAL_SIGCHLD.  SIGIOT, on the other hand, is more
253 
     questionable; seems like by now people should call it SIGABRT
254 
     instead.  */
255 
 
256 
  /* This ugly cast brought to you by the native VAX compiler.  */
257 
  for (sig = TARGET_SIGNAL_HUP;
258 
       sig < TARGET_SIGNAL_LAST;
259 
       sig = (enum target_signal) ((int) sig + 1))
260 
    if (signals[sig].name != NULL
261 
        && strcmp (name, signals[sig].name) == 0)
262 
      return sig;
263 
  return TARGET_SIGNAL_UNKNOWN;
264 
}
265 
 
266 
/* The following functions are to help certain targets deal
267 
   with the signal/waitstatus stuff.  They could just as well be in
268 
   a file called native-utils.c or unixwaitstatus-utils.c or whatever.  */
269 
 
270 
/* Convert host signal to our signals.  */
271 
enum target_signal
272 
target_signal_from_host (int hostsig)
273 
{
274 
  /* A switch statement would make sense but would require special kludges
275 
     to deal with the cases where more than one signal has the same number.  */
276 
 
277 
  if (hostsig == 0)
278 
    return TARGET_SIGNAL_0;
279 
 
280 
#if defined (SIGHUP)
281 
  if (hostsig == SIGHUP)
282 
    return TARGET_SIGNAL_HUP;
283 
#endif
284 
#if defined (SIGINT)
285 
  if (hostsig == SIGINT)
286 
    return TARGET_SIGNAL_INT;
287 
#endif
288 
#if defined (SIGQUIT)
289 
  if (hostsig == SIGQUIT)
290 
    return TARGET_SIGNAL_QUIT;
291 
#endif
292 
#if defined (SIGILL)
293 
  if (hostsig == SIGILL)
294 
    return TARGET_SIGNAL_ILL;
295 
#endif
296 
#if defined (SIGTRAP)
297 
  if (hostsig == SIGTRAP)
298 
    return TARGET_SIGNAL_TRAP;
299 
#endif
300 
#if defined (SIGABRT)
301 
  if (hostsig == SIGABRT)
302 
    return TARGET_SIGNAL_ABRT;
303 
#endif
304 
#if defined (SIGEMT)
305 
  if (hostsig == SIGEMT)
306 
    return TARGET_SIGNAL_EMT;
307 
#endif
308 
#if defined (SIGFPE)
309 
  if (hostsig == SIGFPE)
310 
    return TARGET_SIGNAL_FPE;
311 
#endif
312 
#if defined (SIGKILL)
313 
  if (hostsig == SIGKILL)
314 
    return TARGET_SIGNAL_KILL;
315 
#endif
316 
#if defined (SIGBUS)
317 
  if (hostsig == SIGBUS)
318 
    return TARGET_SIGNAL_BUS;
319 
#endif
320 
#if defined (SIGSEGV)
321 
  if (hostsig == SIGSEGV)
322 
    return TARGET_SIGNAL_SEGV;
323 
#endif
324 
#if defined (SIGSYS)
325 
  if (hostsig == SIGSYS)
326 
    return TARGET_SIGNAL_SYS;
327 
#endif
328 
#if defined (SIGPIPE)
329 
  if (hostsig == SIGPIPE)
330 
    return TARGET_SIGNAL_PIPE;
331 
#endif
332 
#if defined (SIGALRM)
333 
  if (hostsig == SIGALRM)
334 
    return TARGET_SIGNAL_ALRM;
335 
#endif
336 
#if defined (SIGTERM)
337 
  if (hostsig == SIGTERM)
338 
    return TARGET_SIGNAL_TERM;
339 
#endif
340 
#if defined (SIGUSR1)
341 
  if (hostsig == SIGUSR1)
342 
    return TARGET_SIGNAL_USR1;
343 
#endif
344 
#if defined (SIGUSR2)
345 
  if (hostsig == SIGUSR2)
346 
    return TARGET_SIGNAL_USR2;
347 
#endif
348 
#if defined (SIGCLD)
349 
  if (hostsig == SIGCLD)
350 
    return TARGET_SIGNAL_CHLD;
351 
#endif
352 
#if defined (SIGCHLD)
353 
  if (hostsig == SIGCHLD)
354 
    return TARGET_SIGNAL_CHLD;
355 
#endif
356 
#if defined (SIGPWR)
357 
  if (hostsig == SIGPWR)
358 
    return TARGET_SIGNAL_PWR;
359 
#endif
360 
#if defined (SIGWINCH)
361 
  if (hostsig == SIGWINCH)
362 
    return TARGET_SIGNAL_WINCH;
363 
#endif
364 
#if defined (SIGURG)
365 
  if (hostsig == SIGURG)
366 
    return TARGET_SIGNAL_URG;
367 
#endif
368 
#if defined (SIGIO)
369 
  if (hostsig == SIGIO)
370 
    return TARGET_SIGNAL_IO;
371 
#endif
372 
#if defined (SIGPOLL)
373 
  if (hostsig == SIGPOLL)
374 
    return TARGET_SIGNAL_POLL;
375 
#endif
376 
#if defined (SIGSTOP)
377 
  if (hostsig == SIGSTOP)
378 
    return TARGET_SIGNAL_STOP;
379 
#endif
380 
#if defined (SIGTSTP)
381 
  if (hostsig == SIGTSTP)
382 
    return TARGET_SIGNAL_TSTP;
383 
#endif
384 
#if defined (SIGCONT)
385 
  if (hostsig == SIGCONT)
386 
    return TARGET_SIGNAL_CONT;
387 
#endif
388 
#if defined (SIGTTIN)
389 
  if (hostsig == SIGTTIN)
390 
    return TARGET_SIGNAL_TTIN;
391 
#endif
392 
#if defined (SIGTTOU)
393 
  if (hostsig == SIGTTOU)
394 
    return TARGET_SIGNAL_TTOU;
395 
#endif
396 
#if defined (SIGVTALRM)
397 
  if (hostsig == SIGVTALRM)
398 
    return TARGET_SIGNAL_VTALRM;
399 
#endif
400 
#if defined (SIGPROF)
401 
  if (hostsig == SIGPROF)
402 
    return TARGET_SIGNAL_PROF;
403 
#endif
404 
#if defined (SIGXCPU)
405 
  if (hostsig == SIGXCPU)
406 
    return TARGET_SIGNAL_XCPU;
407 
#endif
408 
#if defined (SIGXFSZ)
409 
  if (hostsig == SIGXFSZ)
410 
    return TARGET_SIGNAL_XFSZ;
411 
#endif
412 
#if defined (SIGWIND)
413 
  if (hostsig == SIGWIND)
414 
    return TARGET_SIGNAL_WIND;
415 
#endif
416 
#if defined (SIGPHONE)
417 
  if (hostsig == SIGPHONE)
418 
    return TARGET_SIGNAL_PHONE;
419 
#endif
420 
#if defined (SIGLOST)
421 
  if (hostsig == SIGLOST)
422 
    return TARGET_SIGNAL_LOST;
423 
#endif
424 
#if defined (SIGWAITING)
425 
  if (hostsig == SIGWAITING)
426 
    return TARGET_SIGNAL_WAITING;
427 
#endif
428 
#if defined (SIGCANCEL)
429 
  if (hostsig == SIGCANCEL)
430 
    return TARGET_SIGNAL_CANCEL;
431 
#endif
432 
#if defined (SIGLWP)
433 
  if (hostsig == SIGLWP)
434 
    return TARGET_SIGNAL_LWP;
435 
#endif
436 
#if defined (SIGDANGER)
437 
  if (hostsig == SIGDANGER)
438 
    return TARGET_SIGNAL_DANGER;
439 
#endif
440 
#if defined (SIGGRANT)
441 
  if (hostsig == SIGGRANT)
442 
    return TARGET_SIGNAL_GRANT;
443 
#endif
444 
#if defined (SIGRETRACT)
445 
  if (hostsig == SIGRETRACT)
446 
    return TARGET_SIGNAL_RETRACT;
447 
#endif
448 
#if defined (SIGMSG)
449 
  if (hostsig == SIGMSG)
450 
    return TARGET_SIGNAL_MSG;
451 
#endif
452 
#if defined (SIGSOUND)
453 
  if (hostsig == SIGSOUND)
454 
    return TARGET_SIGNAL_SOUND;
455 
#endif
456 
#if defined (SIGSAK)
457 
  if (hostsig == SIGSAK)
458 
    return TARGET_SIGNAL_SAK;
459 
#endif
460 
#if defined (SIGPRIO)
461 
  if (hostsig == SIGPRIO)
462 
    return TARGET_SIGNAL_PRIO;
463 
#endif
464 
 
465 
  /* Mach exceptions.  Assumes that the values for EXC_ are positive! */
466 
#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
467 
  if (hostsig == _NSIG + EXC_BAD_ACCESS)
468 
    return TARGET_EXC_BAD_ACCESS;
469 
#endif
470 
#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
471 
  if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
472 
    return TARGET_EXC_BAD_INSTRUCTION;
473 
#endif
474 
#if defined (EXC_ARITHMETIC) && defined (_NSIG)
475 
  if (hostsig == _NSIG + EXC_ARITHMETIC)
476 
    return TARGET_EXC_ARITHMETIC;
477 
#endif
478 
#if defined (EXC_EMULATION) && defined (_NSIG)
479 
  if (hostsig == _NSIG + EXC_EMULATION)
480 
    return TARGET_EXC_EMULATION;
481 
#endif
482 
#if defined (EXC_SOFTWARE) && defined (_NSIG)
483 
  if (hostsig == _NSIG + EXC_SOFTWARE)
484 
    return TARGET_EXC_SOFTWARE;
485 
#endif
486 
#if defined (EXC_BREAKPOINT) && defined (_NSIG)
487 
  if (hostsig == _NSIG + EXC_BREAKPOINT)
488 
    return TARGET_EXC_BREAKPOINT;
489 
#endif
490 
 
491 
#if defined (SIGINFO)
492 
  if (hostsig == SIGINFO)
493 
    return TARGET_SIGNAL_INFO;
494 
#endif
495 
 
496 
#if defined (REALTIME_LO)
497 
  if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
498 
    {
499 
      /* This block of TARGET_SIGNAL_REALTIME value is in order.  */
500 
      if (33 <= hostsig && hostsig <= 63)
501 
        return (enum target_signal)
502 
          (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
503 
      else if (hostsig == 32)
504 
        return TARGET_SIGNAL_REALTIME_32;
505 
      else if (64 <= hostsig && hostsig <= 127)
506 
        return (enum target_signal)
507 
          (hostsig - 64 + (int) TARGET_SIGNAL_REALTIME_64);
508 
      else
509 
        error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
510 
    }
511 
#endif
512 
 
513 
  return TARGET_SIGNAL_UNKNOWN;
514 
}
515 
 
516 
/* Convert a OURSIG (an enum target_signal) to the form used by the
517 
   target operating system (refered to as the ``host'') or zero if the
518 
   equivalent host signal is not available.  Set/clear OURSIG_OK
519 
   accordingly. */
520 
 
521 
static int
522 
do_target_signal_to_host (enum target_signal oursig,
523 
                          int *oursig_ok)
524 
{
525 
  int retsig;
526 
  /* Silence the 'not used' warning, for targets that
527 
     do not support signals.  */
528 
  (void) retsig;
529 
 
530 
  *oursig_ok = 1;
531 
  switch (oursig)
532 
    {
533 
    case TARGET_SIGNAL_0:
534 
      return 0;
535 
 
536 
#if defined (SIGHUP)
537 
    case TARGET_SIGNAL_HUP:
538 
      return SIGHUP;
539 
#endif
540 
#if defined (SIGINT)
541 
    case TARGET_SIGNAL_INT:
542 
      return SIGINT;
543 
#endif
544 
#if defined (SIGQUIT)
545 
    case TARGET_SIGNAL_QUIT:
546 
      return SIGQUIT;
547 
#endif
548 
#if defined (SIGILL)
549 
    case TARGET_SIGNAL_ILL:
550 
      return SIGILL;
551 
#endif
552 
#if defined (SIGTRAP)
553 
    case TARGET_SIGNAL_TRAP:
554 
      return SIGTRAP;
555 
#endif
556 
#if defined (SIGABRT)
557 
    case TARGET_SIGNAL_ABRT:
558 
      return SIGABRT;
559 
#endif
560 
#if defined (SIGEMT)
561 
    case TARGET_SIGNAL_EMT:
562 
      return SIGEMT;
563 
#endif
564 
#if defined (SIGFPE)
565 
    case TARGET_SIGNAL_FPE:
566 
      return SIGFPE;
567 
#endif
568 
#if defined (SIGKILL)
569 
    case TARGET_SIGNAL_KILL:
570 
      return SIGKILL;
571 
#endif
572 
#if defined (SIGBUS)
573 
    case TARGET_SIGNAL_BUS:
574 
      return SIGBUS;
575 
#endif
576 
#if defined (SIGSEGV)
577 
    case TARGET_SIGNAL_SEGV:
578 
      return SIGSEGV;
579 
#endif
580 
#if defined (SIGSYS)
581 
    case TARGET_SIGNAL_SYS:
582 
      return SIGSYS;
583 
#endif
584 
#if defined (SIGPIPE)
585 
    case TARGET_SIGNAL_PIPE:
586 
      return SIGPIPE;
587 
#endif
588 
#if defined (SIGALRM)
589 
    case TARGET_SIGNAL_ALRM:
590 
      return SIGALRM;
591 
#endif
592 
#if defined (SIGTERM)
593 
    case TARGET_SIGNAL_TERM:
594 
      return SIGTERM;
595 
#endif
596 
#if defined (SIGUSR1)
597 
    case TARGET_SIGNAL_USR1:
598 
      return SIGUSR1;
599 
#endif
600 
#if defined (SIGUSR2)
601 
    case TARGET_SIGNAL_USR2:
602 
      return SIGUSR2;
603 
#endif
604 
#if defined (SIGCHLD) || defined (SIGCLD)
605 
    case TARGET_SIGNAL_CHLD:
606 
#if defined (SIGCHLD)
607 
      return SIGCHLD;
608 
#else
609 
      return SIGCLD;
610 
#endif
611 
#endif /* SIGCLD or SIGCHLD */
612 
#if defined (SIGPWR)
613 
    case TARGET_SIGNAL_PWR:
614 
      return SIGPWR;
615 
#endif
616 
#if defined (SIGWINCH)
617 
    case TARGET_SIGNAL_WINCH:
618 
      return SIGWINCH;
619 
#endif
620 
#if defined (SIGURG)
621 
    case TARGET_SIGNAL_URG:
622 
      return SIGURG;
623 
#endif
624 
#if defined (SIGIO)
625 
    case TARGET_SIGNAL_IO:
626 
      return SIGIO;
627 
#endif
628 
#if defined (SIGPOLL)
629 
    case TARGET_SIGNAL_POLL:
630 
      return SIGPOLL;
631 
#endif
632 
#if defined (SIGSTOP)
633 
    case TARGET_SIGNAL_STOP:
634 
      return SIGSTOP;
635 
#endif
636 
#if defined (SIGTSTP)
637 
    case TARGET_SIGNAL_TSTP:
638 
      return SIGTSTP;
639 
#endif
640 
#if defined (SIGCONT)
641 
    case TARGET_SIGNAL_CONT:
642 
      return SIGCONT;
643 
#endif
644 
#if defined (SIGTTIN)
645 
    case TARGET_SIGNAL_TTIN:
646 
      return SIGTTIN;
647 
#endif
648 
#if defined (SIGTTOU)
649 
    case TARGET_SIGNAL_TTOU:
650 
      return SIGTTOU;
651 
#endif
652 
#if defined (SIGVTALRM)
653 
    case TARGET_SIGNAL_VTALRM:
654 
      return SIGVTALRM;
655 
#endif
656 
#if defined (SIGPROF)
657 
    case TARGET_SIGNAL_PROF:
658 
      return SIGPROF;
659 
#endif
660 
#if defined (SIGXCPU)
661 
    case TARGET_SIGNAL_XCPU:
662 
      return SIGXCPU;
663 
#endif
664 
#if defined (SIGXFSZ)
665 
    case TARGET_SIGNAL_XFSZ:
666 
      return SIGXFSZ;
667 
#endif
668 
#if defined (SIGWIND)
669 
    case TARGET_SIGNAL_WIND:
670 
      return SIGWIND;
671 
#endif
672 
#if defined (SIGPHONE)
673 
    case TARGET_SIGNAL_PHONE:
674 
      return SIGPHONE;
675 
#endif
676 
#if defined (SIGLOST)
677 
    case TARGET_SIGNAL_LOST:
678 
      return SIGLOST;
679 
#endif
680 
#if defined (SIGWAITING)
681 
    case TARGET_SIGNAL_WAITING:
682 
      return SIGWAITING;
683 
#endif
684 
#if defined (SIGCANCEL)
685 
    case TARGET_SIGNAL_CANCEL:
686 
      return SIGCANCEL;
687 
#endif
688 
#if defined (SIGLWP)
689 
    case TARGET_SIGNAL_LWP:
690 
      return SIGLWP;
691 
#endif
692 
#if defined (SIGDANGER)
693 
    case TARGET_SIGNAL_DANGER:
694 
      return SIGDANGER;
695 
#endif
696 
#if defined (SIGGRANT)
697 
    case TARGET_SIGNAL_GRANT:
698 
      return SIGGRANT;
699 
#endif
700 
#if defined (SIGRETRACT)
701 
    case TARGET_SIGNAL_RETRACT:
702 
      return SIGRETRACT;
703 
#endif
704 
#if defined (SIGMSG)
705 
    case TARGET_SIGNAL_MSG:
706 
      return SIGMSG;
707 
#endif
708 
#if defined (SIGSOUND)
709 
    case TARGET_SIGNAL_SOUND:
710 
      return SIGSOUND;
711 
#endif
712 
#if defined (SIGSAK)
713 
    case TARGET_SIGNAL_SAK:
714 
      return SIGSAK;
715 
#endif
716 
#if defined (SIGPRIO)
717 
    case TARGET_SIGNAL_PRIO:
718 
      return SIGPRIO;
719 
#endif
720 
 
721 
      /* Mach exceptions.  Assumes that the values for EXC_ are positive! */
722 
#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
723 
    case TARGET_EXC_BAD_ACCESS:
724 
      return _NSIG + EXC_BAD_ACCESS;
725 
#endif
726 
#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
727 
    case TARGET_EXC_BAD_INSTRUCTION:
728 
      return _NSIG + EXC_BAD_INSTRUCTION;
729 
#endif
730 
#if defined (EXC_ARITHMETIC) && defined (_NSIG)
731 
    case TARGET_EXC_ARITHMETIC:
732 
      return _NSIG + EXC_ARITHMETIC;
733 
#endif
734 
#if defined (EXC_EMULATION) && defined (_NSIG)
735 
    case TARGET_EXC_EMULATION:
736 
      return _NSIG + EXC_EMULATION;
737 
#endif
738 
#if defined (EXC_SOFTWARE) && defined (_NSIG)
739 
    case TARGET_EXC_SOFTWARE:
740 
      return _NSIG + EXC_SOFTWARE;
741 
#endif
742 
#if defined (EXC_BREAKPOINT) && defined (_NSIG)
743 
    case TARGET_EXC_BREAKPOINT:
744 
      return _NSIG + EXC_BREAKPOINT;
745 
#endif
746 
 
747 
#if defined (SIGINFO)
748 
    case TARGET_SIGNAL_INFO:
749 
      return SIGINFO;
750 
#endif
751 
 
752 
    default:
753 
#if defined (REALTIME_LO)
754 
      retsig = 0;
755 
 
756 
      if (oursig >= TARGET_SIGNAL_REALTIME_33
757 
          && oursig <= TARGET_SIGNAL_REALTIME_63)
758 
        {
759 
          /* This block of signals is continuous, and
760 
             TARGET_SIGNAL_REALTIME_33 is 33 by definition.  */
761 
          retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
762 
        }
763 
      else if (oursig == TARGET_SIGNAL_REALTIME_32)
764 
        {
765 
          /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
766 
             TARGET_SIGNAL_REALTIME_33.  It is 32 by definition.  */
767 
          retsig = 32;
768 
        }
769 
      else if (oursig >= TARGET_SIGNAL_REALTIME_64
770 
          && oursig <= TARGET_SIGNAL_REALTIME_127)
771 
        {
772 
          /* This block of signals is continuous, and
773 
             TARGET_SIGNAL_REALTIME_64 is 64 by definition.  */
774 
          retsig = (int) oursig - (int) TARGET_SIGNAL_REALTIME_64 + 64;
775 
        }
776 
 
777 
      if (retsig >= REALTIME_LO && retsig < REALTIME_HI)
778 
        return retsig;
779 
#endif
780 
 
781 
      *oursig_ok = 0;
782 
      return 0;
783 
    }
784 
}
785 
 
786 
int
787 
target_signal_to_host_p (enum target_signal oursig)
788 
{
789 
  int oursig_ok;
790 
  do_target_signal_to_host (oursig, &oursig_ok);
791 
  return oursig_ok;
792 
}
793 
 
794 
int
795 
target_signal_to_host (enum target_signal oursig)
796 
{
797 
  int oursig_ok;
798 
  int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
799 
  if (!oursig_ok)
800 
    {
801 
      /* The user might be trying to do "signal SIGSAK" where this system
802 
         doesn't have SIGSAK.  */
803 
      warning ("Signal %s does not exist on this system.\n",
804 
               target_signal_to_name (oursig));
805 
      return 0;
806 
    }
807 
  else
808 
    return targ_signo;
809 
}
810 
 
811 
#ifndef GDBSERVER
812 
 
813 
/* In some circumstances we allow a command to specify a numeric
814 
   signal.  The idea is to keep these circumstances limited so that
815 
   users (and scripts) develop portable habits.  For comparison,
816 
   POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
817 
   numeric signal at all is obsolescent.  We are slightly more
818 
   lenient and allow 1-15 which should match host signal numbers on
819 
   most systems.  Use of symbolic signal names is strongly encouraged.  */
820 
 
821 
enum target_signal
822 
target_signal_from_command (int num)
823 
{
824 
  if (num >= 1 && num <= 15)
825 
    return (enum target_signal) num;
826 
  error ("Only signals 1-15 are valid as numeric signals.\n\
827 
Use \"info signals\" for a list of symbolic signals.");
828 
}
829 
 
830 
extern initialize_file_ftype _initialize_signals; /* -Wmissing-prototype */
831 
 
832 
void
833 
_initialize_signals (void)
834 
{
835 
  if (strcmp (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC") != 0)
836 
    internal_error (__FILE__, __LINE__, "failed internal consistency check");
837 
}
838 
 
839 
int
840 
default_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts)
841 
{
842 
  return target_signal_to_host (ts);
843 
}
844 
 
845 
enum target_signal
846 
default_target_signal_from_host (struct gdbarch *gdbarch, int signo)
847 
{
848 
  return target_signal_from_host (signo);
849 
}
850 
 
851 
#endif /* ! GDBSERVER */

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