| 1 | /* $NetBSD: netbsd32_signal.c,v 1.43 2016/09/18 05:16:21 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1998, 2001 Matthew R. Green |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| 30 | __KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.43 2016/09/18 05:16:21 christos Exp $" ); |
| 31 | |
| 32 | #if defined(_KERNEL_OPT) |
| 33 | #include "opt_ktrace.h" |
| 34 | #endif |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/mount.h> |
| 39 | #include <sys/stat.h> |
| 40 | #include <sys/time.h> |
| 41 | #include <sys/signalvar.h> |
| 42 | #include <sys/ktrace.h> |
| 43 | #include <sys/proc.h> |
| 44 | #include <sys/wait.h> |
| 45 | #include <sys/dirent.h> |
| 46 | |
| 47 | #include <uvm/uvm_extern.h> |
| 48 | |
| 49 | #include <compat/netbsd32/netbsd32.h> |
| 50 | #include <compat/netbsd32/netbsd32_conv.h> |
| 51 | #include <compat/netbsd32/netbsd32_syscallargs.h> |
| 52 | |
| 53 | #include <compat/sys/signal.h> |
| 54 | #include <compat/sys/signalvar.h> |
| 55 | #include <compat/sys/siginfo.h> |
| 56 | #include <compat/sys/ucontext.h> |
| 57 | #include <compat/common/compat_sigaltstack.h> |
| 58 | |
| 59 | int |
| 60 | netbsd32_sigaction(struct lwp *l, const struct netbsd32_sigaction_args *uap, register_t *retval) |
| 61 | { |
| 62 | /* { |
| 63 | syscallarg(int) signum; |
| 64 | syscallarg(const netbsd32_sigactionp_t) nsa; |
| 65 | syscallarg(netbsd32_sigactionp_t) osa; |
| 66 | } */ |
| 67 | struct sigaction nsa, osa; |
| 68 | struct netbsd32_sigaction13 *sa32p, sa32; |
| 69 | int error; |
| 70 | |
| 71 | if (SCARG_P32(uap, nsa)) { |
| 72 | sa32p = SCARG_P32(uap, nsa); |
| 73 | if (copyin(sa32p, &sa32, sizeof(sa32))) |
| 74 | return EFAULT; |
| 75 | nsa.sa_handler = (void *)NETBSD32PTR64(sa32.netbsd32_sa_handler); |
| 76 | memset(&nsa.sa_mask, 0, sizeof(nsa.sa_mask)); |
| 77 | nsa.sa_mask.__bits[0] = sa32.netbsd32_sa_mask; |
| 78 | nsa.sa_flags = sa32.netbsd32_sa_flags; |
| 79 | } |
| 80 | error = sigaction1(l, SCARG(uap, signum), |
| 81 | SCARG_P32(uap, nsa) ? &nsa : 0, |
| 82 | SCARG_P32(uap, osa) ? &osa : 0, |
| 83 | NULL, 0); |
| 84 | |
| 85 | if (error) |
| 86 | return (error); |
| 87 | |
| 88 | if (SCARG_P32(uap, osa)) { |
| 89 | NETBSD32PTR32(sa32.netbsd32_sa_handler, osa.sa_handler); |
| 90 | sa32.netbsd32_sa_mask = osa.sa_mask.__bits[0]; |
| 91 | sa32.netbsd32_sa_flags = osa.sa_flags; |
| 92 | sa32p = SCARG_P32(uap, osa); |
| 93 | if (copyout(&sa32, sa32p, sizeof(sa32))) |
| 94 | return EFAULT; |
| 95 | } |
| 96 | |
| 97 | return (0); |
| 98 | } |
| 99 | |
| 100 | int |
| 101 | netbsd32___sigaltstack14(struct lwp *l, const struct netbsd32___sigaltstack14_args *uap, register_t *retval) |
| 102 | { |
| 103 | /* { |
| 104 | syscallarg(const netbsd32_sigaltstackp_t) nss; |
| 105 | syscallarg(netbsd32_sigaltstackp_t) oss; |
| 106 | } */ |
| 107 | compat_sigaltstack(uap, netbsd32_sigaltstack, SS_ONSTACK, SS_DISABLE); |
| 108 | } |
| 109 | |
| 110 | /* ARGSUSED */ |
| 111 | int |
| 112 | netbsd32___sigaction14(struct lwp *l, const struct netbsd32___sigaction14_args *uap, register_t *retval) |
| 113 | { |
| 114 | /* { |
| 115 | syscallarg(int) signum; |
| 116 | syscallarg(const struct sigaction *) nsa; |
| 117 | syscallarg(struct sigaction *) osa; |
| 118 | } */ |
| 119 | struct netbsd32_sigaction sa32; |
| 120 | struct sigaction nsa, osa; |
| 121 | int error; |
| 122 | |
| 123 | if (SCARG_P32(uap, nsa)) { |
| 124 | error = copyin(SCARG_P32(uap, nsa), &sa32, sizeof(sa32)); |
| 125 | if (error) |
| 126 | return (error); |
| 127 | nsa.sa_handler = NETBSD32PTR64(sa32.netbsd32_sa_handler); |
| 128 | nsa.sa_mask = sa32.netbsd32_sa_mask; |
| 129 | nsa.sa_flags = sa32.netbsd32_sa_flags; |
| 130 | } |
| 131 | error = sigaction1(l, SCARG(uap, signum), |
| 132 | SCARG_P32(uap, nsa) ? &nsa : 0, |
| 133 | SCARG_P32(uap, osa) ? &osa : 0, |
| 134 | NULL, 0); |
| 135 | if (error) |
| 136 | return (error); |
| 137 | if (SCARG_P32(uap, osa)) { |
| 138 | NETBSD32PTR32(sa32.netbsd32_sa_handler, osa.sa_handler); |
| 139 | sa32.netbsd32_sa_mask = osa.sa_mask; |
| 140 | sa32.netbsd32_sa_flags = osa.sa_flags; |
| 141 | error = copyout(&sa32, SCARG_P32(uap, osa), sizeof(sa32)); |
| 142 | if (error) |
| 143 | return (error); |
| 144 | } |
| 145 | return (0); |
| 146 | } |
| 147 | |
| 148 | /* ARGSUSED */ |
| 149 | int |
| 150 | netbsd32___sigaction_sigtramp(struct lwp *l, const struct netbsd32___sigaction_sigtramp_args *uap, register_t *retval) |
| 151 | { |
| 152 | /* { |
| 153 | syscallarg(int) signum; |
| 154 | syscallarg(const netbsd32_sigactionp_t) nsa; |
| 155 | syscallarg(netbsd32_sigactionp_t) osa; |
| 156 | syscallarg(netbsd32_voidp) tramp; |
| 157 | syscallarg(int) vers; |
| 158 | } */ |
| 159 | struct netbsd32_sigaction sa32; |
| 160 | struct sigaction nsa, osa; |
| 161 | int error; |
| 162 | |
| 163 | if (SCARG_P32(uap, nsa)) { |
| 164 | error = copyin(SCARG_P32(uap, nsa), &sa32, sizeof(sa32)); |
| 165 | if (error) |
| 166 | return (error); |
| 167 | nsa.sa_handler = NETBSD32PTR64(sa32.netbsd32_sa_handler); |
| 168 | nsa.sa_mask = sa32.netbsd32_sa_mask; |
| 169 | nsa.sa_flags = sa32.netbsd32_sa_flags; |
| 170 | } |
| 171 | error = sigaction1(l, SCARG(uap, signum), |
| 172 | SCARG_P32(uap, nsa) ? &nsa : 0, |
| 173 | SCARG_P32(uap, osa) ? &osa : 0, |
| 174 | SCARG_P32(uap, tramp), SCARG(uap, vers)); |
| 175 | if (error) |
| 176 | return (error); |
| 177 | if (SCARG_P32(uap, osa)) { |
| 178 | NETBSD32PTR32(sa32.netbsd32_sa_handler, osa.sa_handler); |
| 179 | sa32.netbsd32_sa_mask = osa.sa_mask; |
| 180 | sa32.netbsd32_sa_flags = osa.sa_flags; |
| 181 | error = copyout(&sa32, SCARG_P32(uap, osa), sizeof(sa32)); |
| 182 | if (error) |
| 183 | return (error); |
| 184 | } |
| 185 | return (0); |
| 186 | } |
| 187 | |
| 188 | void |
| 189 | netbsd32_ksi32_to_ksi(struct _ksiginfo *si, const struct __ksiginfo32 *si32) |
| 190 | { |
| 191 | memset(si, 0, sizeof (*si)); |
| 192 | si->_signo = si32->_signo; |
| 193 | si->_code = si32->_code; |
| 194 | si->_errno = si32->_errno; |
| 195 | |
| 196 | switch (si32->_signo) { |
| 197 | case SIGILL: |
| 198 | case SIGBUS: |
| 199 | case SIGSEGV: |
| 200 | case SIGFPE: |
| 201 | case SIGTRAP: |
| 202 | si->_reason._fault._addr = |
| 203 | NETBSD32IPTR64(si32->_reason._fault._addr); |
| 204 | si->_reason._fault._trap = si32->_reason._fault._trap; |
| 205 | break; |
| 206 | case SIGALRM: |
| 207 | case SIGVTALRM: |
| 208 | case SIGPROF: |
| 209 | default: /* see sigqueue() and kill1() */ |
| 210 | si->_reason._rt._pid = si32->_reason._rt._pid; |
| 211 | si->_reason._rt._uid = si32->_reason._rt._uid; |
| 212 | si->_reason._rt._value.sival_int = |
| 213 | si32->_reason._rt._value.sival_int; |
| 214 | break; |
| 215 | case SIGCHLD: |
| 216 | si->_reason._child._pid = si32->_reason._child._pid; |
| 217 | si->_reason._child._uid = si32->_reason._child._uid; |
| 218 | si->_reason._child._utime = si32->_reason._child._utime; |
| 219 | si->_reason._child._stime = si32->_reason._child._stime; |
| 220 | break; |
| 221 | case SIGURG: |
| 222 | case SIGIO: |
| 223 | si->_reason._poll._band = si32->_reason._poll._band; |
| 224 | si->_reason._poll._fd = si32->_reason._poll._fd; |
| 225 | break; |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | #ifdef KTRACE |
| 230 | static void |
| 231 | netbsd32_ksi_to_ksi32(struct __ksiginfo32 *si32, const struct _ksiginfo *si) |
| 232 | { |
| 233 | memset(si32, 0, sizeof (*si32)); |
| 234 | si32->_signo = si->_signo; |
| 235 | si32->_code = si->_code; |
| 236 | si32->_errno = si->_errno; |
| 237 | |
| 238 | switch (si->_signo) { |
| 239 | case SIGILL: |
| 240 | case SIGBUS: |
| 241 | case SIGSEGV: |
| 242 | case SIGFPE: |
| 243 | case SIGTRAP: |
| 244 | si32->_reason._fault._addr = |
| 245 | NETBSD32PTR32I(si->_reason._fault._addr); |
| 246 | si32->_reason._fault._trap = si->_reason._fault._trap; |
| 247 | break; |
| 248 | case SIGALRM: |
| 249 | case SIGVTALRM: |
| 250 | case SIGPROF: |
| 251 | default: /* see sigqueue() and kill1() */ |
| 252 | si32->_reason._rt._pid = si->_reason._rt._pid; |
| 253 | si32->_reason._rt._uid = si->_reason._rt._uid; |
| 254 | si32->_reason._rt._value.sival_int = |
| 255 | si->_reason._rt._value.sival_int; |
| 256 | break; |
| 257 | case SIGCHLD: |
| 258 | si32->_reason._child._pid = si->_reason._child._pid; |
| 259 | si32->_reason._child._uid = si->_reason._child._uid; |
| 260 | si32->_reason._child._utime = si->_reason._child._utime; |
| 261 | si32->_reason._child._stime = si->_reason._child._stime; |
| 262 | break; |
| 263 | case SIGURG: |
| 264 | case SIGIO: |
| 265 | si32->_reason._poll._band = si->_reason._poll._band; |
| 266 | si32->_reason._poll._fd = si->_reason._poll._fd; |
| 267 | break; |
| 268 | } |
| 269 | } |
| 270 | #endif |
| 271 | |
| 272 | void |
| 273 | netbsd32_si_to_si32(siginfo32_t *si32, const siginfo_t *si) |
| 274 | { |
| 275 | memset(si32, 0, sizeof (*si32)); |
| 276 | si32->si_signo = si->si_signo; |
| 277 | si32->si_code = si->si_code; |
| 278 | si32->si_errno = si->si_errno; |
| 279 | |
| 280 | switch (si32->si_signo) { |
| 281 | case 0: /* SA */ |
| 282 | si32->si_value.sival_int = si->si_value.sival_int; |
| 283 | break; |
| 284 | case SIGILL: |
| 285 | case SIGBUS: |
| 286 | case SIGSEGV: |
| 287 | case SIGFPE: |
| 288 | case SIGTRAP: |
| 289 | si32->si_addr = (uint32_t)(uintptr_t)si->si_addr; |
| 290 | si32->si_trap = si->si_trap; |
| 291 | break; |
| 292 | case SIGALRM: |
| 293 | case SIGVTALRM: |
| 294 | case SIGPROF: |
| 295 | default: |
| 296 | si32->si_pid = si->si_pid; |
| 297 | si32->si_uid = si->si_uid; |
| 298 | si32->si_value.sival_int = si->si_value.sival_int; |
| 299 | break; |
| 300 | case SIGCHLD: |
| 301 | si32->si_pid = si->si_pid; |
| 302 | si32->si_uid = si->si_uid; |
| 303 | si32->si_status = si->si_status; |
| 304 | si32->si_utime = si->si_utime; |
| 305 | si32->si_stime = si->si_stime; |
| 306 | break; |
| 307 | case SIGURG: |
| 308 | case SIGIO: |
| 309 | si32->si_band = si->si_band; |
| 310 | si32->si_fd = si->si_fd; |
| 311 | break; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | void |
| 316 | getucontext32(struct lwp *l, ucontext32_t *ucp) |
| 317 | { |
| 318 | struct proc *p = l->l_proc; |
| 319 | |
| 320 | KASSERT(mutex_owned(p->p_lock)); |
| 321 | |
| 322 | ucp->uc_flags = 0; |
| 323 | ucp->uc_link = (uint32_t)(intptr_t)l->l_ctxlink; |
| 324 | ucp->uc_sigmask = l->l_sigmask; |
| 325 | ucp->uc_flags |= _UC_SIGMASK; |
| 326 | |
| 327 | /* |
| 328 | * The (unsupplied) definition of the `current execution stack' |
| 329 | * in the System V Interface Definition appears to allow returning |
| 330 | * the main context stack. |
| 331 | */ |
| 332 | if ((l->l_sigstk.ss_flags & SS_ONSTACK) == 0) { |
| 333 | ucp->uc_stack.ss_sp = USRSTACK32; |
| 334 | ucp->uc_stack.ss_size = ctob(p->p_vmspace->vm_ssize); |
| 335 | ucp->uc_stack.ss_flags = 0; /* XXX, def. is Very Fishy */ |
| 336 | } else { |
| 337 | /* Simply copy alternate signal execution stack. */ |
| 338 | ucp->uc_stack.ss_sp = |
| 339 | (uint32_t)(intptr_t)l->l_sigstk.ss_sp; |
| 340 | ucp->uc_stack.ss_size = l->l_sigstk.ss_size; |
| 341 | ucp->uc_stack.ss_flags = l->l_sigstk.ss_flags; |
| 342 | } |
| 343 | ucp->uc_flags |= _UC_STACK; |
| 344 | mutex_exit(p->p_lock); |
| 345 | cpu_getmcontext32(l, &ucp->uc_mcontext, &ucp->uc_flags); |
| 346 | mutex_enter(p->p_lock); |
| 347 | } |
| 348 | |
| 349 | int |
| 350 | netbsd32_getcontext(struct lwp *l, const struct netbsd32_getcontext_args *uap, register_t *retval) |
| 351 | { |
| 352 | /* { |
| 353 | syscallarg(netbsd32_ucontextp) ucp; |
| 354 | } */ |
| 355 | struct proc *p = l->l_proc; |
| 356 | ucontext32_t uc; |
| 357 | |
| 358 | memset(&uc, 0, sizeof(uc)); |
| 359 | |
| 360 | mutex_enter(p->p_lock); |
| 361 | getucontext32(l, &uc); |
| 362 | mutex_exit(p->p_lock); |
| 363 | |
| 364 | return copyout(&uc, SCARG_P32(uap, ucp), sizeof (ucontext32_t)); |
| 365 | } |
| 366 | |
| 367 | int |
| 368 | setucontext32(struct lwp *l, const ucontext32_t *ucp) |
| 369 | { |
| 370 | struct proc *p = l->l_proc; |
| 371 | int error; |
| 372 | |
| 373 | KASSERT(mutex_owned(p->p_lock)); |
| 374 | |
| 375 | if ((ucp->uc_flags & _UC_SIGMASK) != 0) { |
| 376 | error = sigprocmask1(l, SIG_SETMASK, &ucp->uc_sigmask, NULL); |
| 377 | if (error != 0) |
| 378 | return error; |
| 379 | } |
| 380 | |
| 381 | mutex_exit(p->p_lock); |
| 382 | error = cpu_setmcontext32(l, &ucp->uc_mcontext, ucp->uc_flags); |
| 383 | mutex_enter(p->p_lock); |
| 384 | if (error != 0) |
| 385 | return (error); |
| 386 | |
| 387 | l->l_ctxlink = (void *)(intptr_t)ucp->uc_link; |
| 388 | |
| 389 | /* |
| 390 | * If there was stack information, update whether or not we are |
| 391 | * still running on an alternate signal stack. |
| 392 | */ |
| 393 | if ((ucp->uc_flags & _UC_STACK) != 0) { |
| 394 | if (ucp->uc_stack.ss_flags & SS_ONSTACK) |
| 395 | l->l_sigstk.ss_flags |= SS_ONSTACK; |
| 396 | else |
| 397 | l->l_sigstk.ss_flags &= ~SS_ONSTACK; |
| 398 | } |
| 399 | |
| 400 | return 0; |
| 401 | } |
| 402 | |
| 403 | /* ARGSUSED */ |
| 404 | int |
| 405 | netbsd32_setcontext(struct lwp *l, const struct netbsd32_setcontext_args *uap, register_t *retval) |
| 406 | { |
| 407 | /* { |
| 408 | syscallarg(netbsd32_ucontextp) ucp; |
| 409 | } */ |
| 410 | ucontext32_t uc; |
| 411 | int error; |
| 412 | struct proc *p = l->l_proc; |
| 413 | |
| 414 | error = copyin(SCARG_P32(uap, ucp), &uc, sizeof (uc)); |
| 415 | if (error) |
| 416 | return (error); |
| 417 | if (!(uc.uc_flags & _UC_CPU)) |
| 418 | return (EINVAL); |
| 419 | mutex_enter(p->p_lock); |
| 420 | error = setucontext32(l, &uc); |
| 421 | mutex_exit(p->p_lock); |
| 422 | if (error) |
| 423 | return (error); |
| 424 | |
| 425 | return (EJUSTRETURN); |
| 426 | } |
| 427 | |
| 428 | static int |
| 429 | netbsd32_sigtimedwait_put_info(const void *src, void *dst, size_t size) |
| 430 | { |
| 431 | const siginfo_t *info = src; |
| 432 | siginfo32_t info32; |
| 433 | |
| 434 | netbsd32_si_to_si32(&info32, info); |
| 435 | |
| 436 | return copyout(&info32, dst, sizeof(info32)); |
| 437 | } |
| 438 | |
| 439 | static int |
| 440 | netbsd32_sigtimedwait_fetch_timeout(const void *src, void *dst, size_t size) |
| 441 | { |
| 442 | struct timespec *ts = dst; |
| 443 | struct netbsd32_timespec ts32; |
| 444 | int error; |
| 445 | |
| 446 | error = copyin(src, &ts32, sizeof(ts32)); |
| 447 | if (error) |
| 448 | return error; |
| 449 | |
| 450 | netbsd32_to_timespec(&ts32, ts); |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | static int |
| 455 | netbsd32_sigtimedwait_put_timeout(const void *src, void *dst, size_t size) |
| 456 | { |
| 457 | const struct timespec *ts = src; |
| 458 | struct netbsd32_timespec ts32; |
| 459 | |
| 460 | netbsd32_from_timespec(ts, &ts32); |
| 461 | |
| 462 | return copyout(&ts32, dst, sizeof(ts32)); |
| 463 | } |
| 464 | |
| 465 | int |
| 466 | netbsd32_____sigtimedwait50(struct lwp *l, const struct netbsd32_____sigtimedwait50_args *uap, register_t *retval) |
| 467 | { |
| 468 | /* { |
| 469 | syscallarg(netbsd32_sigsetp_t) set; |
| 470 | syscallarg(netbsd32_siginfop_t) info; |
| 471 | syscallarg(netbsd32_timespec50p_t) timeout; |
| 472 | } */ |
| 473 | struct sys_____sigtimedwait50_args ua; |
| 474 | |
| 475 | NETBSD32TOP_UAP(set, const sigset_t); |
| 476 | NETBSD32TOP_UAP(info, siginfo_t); |
| 477 | NETBSD32TOP_UAP(timeout, struct timespec); |
| 478 | |
| 479 | return sigtimedwait1(l, &ua, retval, |
| 480 | copyin, |
| 481 | netbsd32_sigtimedwait_put_info, |
| 482 | netbsd32_sigtimedwait_fetch_timeout, |
| 483 | netbsd32_sigtimedwait_put_timeout); |
| 484 | } |
| 485 | |
| 486 | int |
| 487 | netbsd32_sigqueueinfo(struct lwp *l, |
| 488 | const struct netbsd32_sigqueueinfo_args *uap, register_t *retval) |
| 489 | { |
| 490 | /* { |
| 491 | syscallarg(pid_t) pid; |
| 492 | syscallarg(const netbsd32_siginfop_t) info; |
| 493 | } */ |
| 494 | struct __ksiginfo32 ksi32; |
| 495 | ksiginfo_t ksi; |
| 496 | int error; |
| 497 | |
| 498 | if ((error = copyin(SCARG_P32(uap, info), &ksi32, |
| 499 | sizeof(ksi32))) != 0) |
| 500 | return error; |
| 501 | |
| 502 | KSI_INIT(&ksi); |
| 503 | netbsd32_ksi32_to_ksi(&ksi.ksi_info, &ksi32); |
| 504 | |
| 505 | return kill1(l, SCARG(uap, pid), &ksi, retval); |
| 506 | } |
| 507 | |
| 508 | struct netbsd32_ktr_psig { |
| 509 | int signo; |
| 510 | netbsd32_pointer_t action; |
| 511 | sigset_t mask; |
| 512 | int code; |
| 513 | /* and optional siginfo_t */ |
| 514 | }; |
| 515 | |
| 516 | #ifdef KTRACE |
| 517 | void |
| 518 | netbsd32_ktrpsig(int sig, sig_t action, const sigset_t *mask, |
| 519 | const ksiginfo_t *ksi) |
| 520 | { |
| 521 | struct ktrace_entry *kte; |
| 522 | lwp_t *l = curlwp; |
| 523 | struct { |
| 524 | struct netbsd32_ktr_psig kp; |
| 525 | siginfo32_t si; |
| 526 | } *kbuf; |
| 527 | |
| 528 | if (!KTRPOINT(l->l_proc, KTR_PSIG)) |
| 529 | return; |
| 530 | |
| 531 | if (ktealloc(&kte, (void *)&kbuf, l, KTR_PSIG, sizeof(*kbuf))) |
| 532 | return; |
| 533 | |
| 534 | kbuf->kp.signo = (char)sig; |
| 535 | NETBSD32PTR32(kbuf->kp.action, action); |
| 536 | kbuf->kp.mask = *mask; |
| 537 | |
| 538 | if (ksi) { |
| 539 | kbuf->kp.code = KSI_TRAPCODE(ksi); |
| 540 | (void)memset(&kbuf->si, 0, sizeof(kbuf->si)); |
| 541 | netbsd32_ksi_to_ksi32(&kbuf->si._info, &ksi->ksi_info); |
| 542 | ktesethdrlen(kte, sizeof(*kbuf)); |
| 543 | } else { |
| 544 | kbuf->kp.code = 0; |
| 545 | ktesethdrlen(kte, sizeof(struct netbsd32_ktr_psig)); |
| 546 | } |
| 547 | |
| 548 | ktraddentry(l, kte, KTA_WAITOK); |
| 549 | } |
| 550 | #endif |
| 551 | |
| 552 | |
| 553 | |