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-rw-r--r--arch/sparc64/solaris/signal.c429
1 files changed, 0 insertions, 429 deletions
diff --git a/arch/sparc64/solaris/signal.c b/arch/sparc64/solaris/signal.c
deleted file mode 100644
index de10c9716cfb..000000000000
--- a/arch/sparc64/solaris/signal.c
+++ /dev/null
@@ -1,429 +0,0 @@
1/* $Id: signal.c,v 1.7 2000/09/05 21:44:54 davem Exp $
2 * signal.c: Signal emulation for Solaris
3 *
4 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
5 */
6
7#include <linux/types.h>
8#include <linux/errno.h>
9
10#include <asm/uaccess.h>
11#include <asm/svr4.h>
12#include <asm/string.h>
13
14#include "conv.h"
15#include "signal.h"
16
17#define _S(nr) (1L<<((nr)-1))
18
19#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
20
21long linux_to_solaris_signals[] = {
22 0,
23 SOLARIS_SIGHUP, SOLARIS_SIGINT,
24 SOLARIS_SIGQUIT, SOLARIS_SIGILL,
25 SOLARIS_SIGTRAP, SOLARIS_SIGIOT,
26 SOLARIS_SIGEMT, SOLARIS_SIGFPE,
27 SOLARIS_SIGKILL, SOLARIS_SIGBUS,
28 SOLARIS_SIGSEGV, SOLARIS_SIGSYS,
29 SOLARIS_SIGPIPE, SOLARIS_SIGALRM,
30 SOLARIS_SIGTERM, SOLARIS_SIGURG,
31 SOLARIS_SIGSTOP, SOLARIS_SIGTSTP,
32 SOLARIS_SIGCONT, SOLARIS_SIGCLD,
33 SOLARIS_SIGTTIN, SOLARIS_SIGTTOU,
34 SOLARIS_SIGPOLL, SOLARIS_SIGXCPU,
35 SOLARIS_SIGXFSZ, SOLARIS_SIGVTALRM,
36 SOLARIS_SIGPROF, SOLARIS_SIGWINCH,
37 SOLARIS_SIGUSR1, SOLARIS_SIGUSR1,
38 SOLARIS_SIGUSR2, -1,
39};
40
41long solaris_to_linux_signals[] = {
42 0,
43 SIGHUP, SIGINT, SIGQUIT, SIGILL,
44 SIGTRAP, SIGIOT, SIGEMT, SIGFPE,
45 SIGKILL, SIGBUS, SIGSEGV, SIGSYS,
46 SIGPIPE, SIGALRM, SIGTERM, SIGUSR1,
47 SIGUSR2, SIGCHLD, -1, SIGWINCH,
48 SIGURG, SIGPOLL, SIGSTOP, SIGTSTP,
49 SIGCONT, SIGTTIN, SIGTTOU, SIGVTALRM,
50 SIGPROF, SIGXCPU, SIGXFSZ, -1,
51 -1, -1, -1, -1,
52 -1, -1, -1, -1,
53 -1, -1, -1, -1,
54};
55
56static inline long mapsig(long sig)
57{
58 if ((unsigned long)sig > SOLARIS_NSIGNALS)
59 return -EINVAL;
60 return solaris_to_linux_signals[sig];
61}
62
63asmlinkage int solaris_kill(int pid, int sig)
64{
65 int (*sys_kill)(int,int) =
66 (int (*)(int,int))SYS(kill);
67 int s = mapsig(sig);
68
69 if (s < 0) return s;
70 return sys_kill(pid, s);
71}
72
73static long sig_handler(int sig, u32 arg, int one_shot)
74{
75 struct sigaction sa, old;
76 int ret;
77 mm_segment_t old_fs = get_fs();
78 int (*sys_sigaction)(int,struct sigaction __user *,struct sigaction __user *) =
79 (int (*)(int,struct sigaction __user *,struct sigaction __user *))SYS(sigaction);
80
81 sigemptyset(&sa.sa_mask);
82 sa.sa_restorer = NULL;
83 sa.sa_handler = (__sighandler_t)A(arg);
84 sa.sa_flags = 0;
85 if (one_shot) sa.sa_flags = SA_ONESHOT | SA_NOMASK;
86 set_fs (KERNEL_DS);
87 ret = sys_sigaction(sig, (void __user *)&sa, (void __user *)&old);
88 set_fs (old_fs);
89 if (ret < 0) return ret;
90 return (u32)(unsigned long)old.sa_handler;
91}
92
93static inline long solaris_signal(int sig, u32 arg)
94{
95 return sig_handler (sig, arg, 1);
96}
97
98static long solaris_sigset(int sig, u32 arg)
99{
100 if (arg != 2) /* HOLD */ {
101 spin_lock_irq(&current->sighand->siglock);
102 sigdelsetmask(&current->blocked, _S(sig));
103 recalc_sigpending();
104 spin_unlock_irq(&current->sighand->siglock);
105 return sig_handler (sig, arg, 0);
106 } else {
107 spin_lock_irq(&current->sighand->siglock);
108 sigaddsetmask(&current->blocked, (_S(sig) & ~_BLOCKABLE));
109 recalc_sigpending();
110 spin_unlock_irq(&current->sighand->siglock);
111 return 0;
112 }
113}
114
115static inline long solaris_sighold(int sig)
116{
117 return solaris_sigset(sig, 2);
118}
119
120static inline long solaris_sigrelse(int sig)
121{
122 spin_lock_irq(&current->sighand->siglock);
123 sigdelsetmask(&current->blocked, _S(sig));
124 recalc_sigpending();
125 spin_unlock_irq(&current->sighand->siglock);
126 return 0;
127}
128
129static inline long solaris_sigignore(int sig)
130{
131 return sig_handler(sig, (u32)(unsigned long)SIG_IGN, 0);
132}
133
134static inline long solaris_sigpause(int sig)
135{
136 printk ("Need to support solaris sigpause\n");
137 return -ENOSYS;
138}
139
140asmlinkage long solaris_sigfunc(int sig, u32 arg)
141{
142 int func = sig & ~0xff;
143
144 sig = mapsig(sig & 0xff);
145 if (sig < 0) return sig;
146 switch (func) {
147 case 0: return solaris_signal(sig, arg);
148 case 0x100: return solaris_sigset(sig, arg);
149 case 0x200: return solaris_sighold(sig);
150 case 0x400: return solaris_sigrelse(sig);
151 case 0x800: return solaris_sigignore(sig);
152 case 0x1000: return solaris_sigpause(sig);
153 }
154 return -EINVAL;
155}
156
157typedef struct {
158 u32 __sigbits[4];
159} sol_sigset_t;
160
161static inline int mapin(u32 *p, sigset_t *q)
162{
163 int i;
164 u32 x;
165 int sig;
166
167 sigemptyset(q);
168 x = p[0];
169 for (i = 1; i <= SOLARIS_NSIGNALS; i++) {
170 if (x & 1) {
171 sig = solaris_to_linux_signals[i];
172 if (sig == -1)
173 return -EINVAL;
174 sigaddsetmask(q, (1L << (sig - 1)));
175 }
176 x >>= 1;
177 if (i == 32)
178 x = p[1];
179 }
180 return 0;
181}
182
183static inline int mapout(sigset_t *q, u32 *p)
184{
185 int i;
186 int sig;
187
188 p[0] = 0;
189 p[1] = 0;
190 for (i = 1; i <= 32; i++) {
191 if (sigismember(q, sigmask(i))) {
192 sig = linux_to_solaris_signals[i];
193 if (sig == -1)
194 return -EINVAL;
195 if (sig > 32)
196 p[1] |= 1L << (sig - 33);
197 else
198 p[0] |= 1L << (sig - 1);
199 }
200 }
201 return 0;
202}
203
204asmlinkage int solaris_sigprocmask(int how, u32 in, u32 out)
205{
206 sigset_t in_s, *ins, out_s, *outs;
207 mm_segment_t old_fs = get_fs();
208 int ret;
209 int (*sys_sigprocmask)(int,sigset_t __user *,sigset_t __user *) =
210 (int (*)(int,sigset_t __user *,sigset_t __user *))SYS(sigprocmask);
211
212 ins = NULL; outs = NULL;
213 if (in) {
214 u32 tmp[2];
215
216 if (copy_from_user (tmp, (void __user *)A(in), 2*sizeof(u32)))
217 return -EFAULT;
218 ins = &in_s;
219 if (mapin (tmp, ins)) return -EINVAL;
220 }
221 if (out) outs = &out_s;
222 set_fs (KERNEL_DS);
223 ret = sys_sigprocmask((how == 3) ? SIG_SETMASK : how,
224 (void __user *)ins, (void __user *)outs);
225 set_fs (old_fs);
226 if (ret) return ret;
227 if (out) {
228 u32 tmp[4];
229
230 tmp[2] = 0; tmp[3] = 0;
231 if (mapout (outs, tmp)) return -EINVAL;
232 if (copy_to_user((void __user *)A(out), tmp, 4*sizeof(u32)))
233 return -EFAULT;
234 }
235 return 0;
236}
237
238asmlinkage long do_sol_sigsuspend(u32 mask)
239{
240 sigset_t s;
241 u32 tmp[2];
242
243 if (copy_from_user (tmp, (sol_sigset_t __user *)A(mask), 2*sizeof(u32)))
244 return -EFAULT;
245 if (mapin (tmp, &s)) return -EINVAL;
246 return (long)s.sig[0];
247}
248
249struct sol_sigaction {
250 int sa_flags;
251 u32 sa_handler;
252 u32 sa_mask[4];
253 int sa_resv[2];
254};
255
256asmlinkage int solaris_sigaction(int sig, u32 act, u32 old)
257{
258 u32 tmp, tmp2[4];
259 struct sigaction s, s2;
260 int ret;
261 mm_segment_t old_fs = get_fs();
262 struct sol_sigaction __user *p = (void __user *)A(old);
263 int (*sys_sigaction)(int,struct sigaction __user *,struct sigaction __user *) =
264 (int (*)(int,struct sigaction __user *,struct sigaction __user *))SYS(sigaction);
265
266 sig = mapsig(sig);
267 if (sig < 0) {
268 /* We cheat a little bit for Solaris only signals */
269 if (old && clear_user(p, sizeof(struct sol_sigaction)))
270 return -EFAULT;
271 return 0;
272 }
273 if (act) {
274 if (get_user (tmp, &p->sa_flags))
275 return -EFAULT;
276 s.sa_flags = 0;
277 if (tmp & SOLARIS_SA_ONSTACK) s.sa_flags |= SA_STACK;
278 if (tmp & SOLARIS_SA_RESTART) s.sa_flags |= SA_RESTART;
279 if (tmp & SOLARIS_SA_NODEFER) s.sa_flags |= SA_NOMASK;
280 if (tmp & SOLARIS_SA_RESETHAND) s.sa_flags |= SA_ONESHOT;
281 if (tmp & SOLARIS_SA_NOCLDSTOP) s.sa_flags |= SA_NOCLDSTOP;
282 if (get_user (tmp, &p->sa_handler) ||
283 copy_from_user (tmp2, &p->sa_mask, 2*sizeof(u32)))
284 return -EFAULT;
285 s.sa_handler = (__sighandler_t)A(tmp);
286 if (mapin (tmp2, &s.sa_mask)) return -EINVAL;
287 s.sa_restorer = NULL;
288 }
289 set_fs(KERNEL_DS);
290 ret = sys_sigaction(sig, act ? (void __user *)&s : NULL,
291 old ? (void __user *)&s2 : NULL);
292 set_fs(old_fs);
293 if (ret) return ret;
294 if (old) {
295 if (mapout (&s2.sa_mask, tmp2)) return -EINVAL;
296 tmp = 0; tmp2[2] = 0; tmp2[3] = 0;
297 if (s2.sa_flags & SA_STACK) tmp |= SOLARIS_SA_ONSTACK;
298 if (s2.sa_flags & SA_RESTART) tmp |= SOLARIS_SA_RESTART;
299 if (s2.sa_flags & SA_NOMASK) tmp |= SOLARIS_SA_NODEFER;
300 if (s2.sa_flags & SA_ONESHOT) tmp |= SOLARIS_SA_RESETHAND;
301 if (s2.sa_flags & SA_NOCLDSTOP) tmp |= SOLARIS_SA_NOCLDSTOP;
302 if (put_user (tmp, &p->sa_flags) ||
303 __put_user ((u32)(unsigned long)s2.sa_handler, &p->sa_handler) ||
304 copy_to_user (&p->sa_mask, tmp2, 4*sizeof(u32)))
305 return -EFAULT;
306 }
307 return 0;
308}
309
310asmlinkage int solaris_sigpending(int which, u32 set)
311{
312 sigset_t s;
313 u32 tmp[4];
314 switch (which) {
315 case 1: /* sigpending */
316 spin_lock_irq(&current->sighand->siglock);
317 sigandsets(&s, &current->blocked, &current->pending.signal);
318 recalc_sigpending();
319 spin_unlock_irq(&current->sighand->siglock);
320 break;
321 case 2: /* sigfillset - I just set signals which have linux equivalents */
322 sigfillset(&s);
323 break;
324 default: return -EINVAL;
325 }
326 if (mapout (&s, tmp)) return -EINVAL;
327 tmp[2] = 0; tmp[3] = 0;
328 if (copy_to_user ((u32 __user *)A(set), tmp, sizeof(tmp)))
329 return -EFAULT;
330 return 0;
331}
332
333asmlinkage int solaris_wait(u32 stat_loc)
334{
335 unsigned __user *p = (unsigned __user *)A(stat_loc);
336 int (*sys_wait4)(pid_t,unsigned __user *, int, struct rusage __user *) =
337 (int (*)(pid_t,unsigned __user *, int, struct rusage __user *))SYS(wait4);
338 int ret, status;
339
340 ret = sys_wait4(-1, p, WUNTRACED, NULL);
341 if (ret >= 0 && stat_loc) {
342 if (get_user (status, p))
343 return -EFAULT;
344 if (((status - 1) & 0xffff) < 0xff)
345 status = linux_to_solaris_signals[status & 0x7f] & 0x7f;
346 else if ((status & 0xff) == 0x7f)
347 status = (linux_to_solaris_signals[(status >> 8) & 0xff] << 8) | 0x7f;
348 if (__put_user (status, p))
349 return -EFAULT;
350 }
351 return ret;
352}
353
354asmlinkage int solaris_waitid(int idtype, s32 pid, u32 info, int options)
355{
356 int (*sys_wait4)(pid_t,unsigned __user *, int, struct rusage __user *) =
357 (int (*)(pid_t,unsigned __user *, int, struct rusage __user *))SYS(wait4);
358 int opts, status, ret;
359
360 switch (idtype) {
361 case 0: /* P_PID */ break;
362 case 1: /* P_PGID */ pid = -pid; break;
363 case 7: /* P_ALL */ pid = -1; break;
364 default: return -EINVAL;
365 }
366 opts = 0;
367 if (options & SOLARIS_WUNTRACED) opts |= WUNTRACED;
368 if (options & SOLARIS_WNOHANG) opts |= WNOHANG;
369 current->state = TASK_RUNNING;
370 ret = sys_wait4(pid, (unsigned int __user *)A(info), opts, NULL);
371 if (ret < 0) return ret;
372 if (info) {
373 struct sol_siginfo __user *s = (void __user *)A(info);
374
375 if (get_user (status, (unsigned int __user *)A(info)))
376 return -EFAULT;
377
378 if (__put_user (SOLARIS_SIGCLD, &s->si_signo) ||
379 __put_user (ret, &s->_data._proc._pid))
380 return -EFAULT;
381
382 switch (status & 0xff) {
383 case 0: ret = SOLARIS_CLD_EXITED;
384 status = (status >> 8) & 0xff;
385 break;
386 case 0x7f:
387 status = (status >> 8) & 0xff;
388 switch (status) {
389 case SIGSTOP:
390 case SIGTSTP: ret = SOLARIS_CLD_STOPPED;
391 default: ret = SOLARIS_CLD_EXITED;
392 }
393 status = linux_to_solaris_signals[status];
394 break;
395 default:
396 if (status & 0x80) ret = SOLARIS_CLD_DUMPED;
397 else ret = SOLARIS_CLD_KILLED;
398 status = linux_to_solaris_signals[status & 0x7f];
399 break;
400 }
401
402 if (__put_user (ret, &s->si_code) ||
403 __put_user (status, &s->_data._proc._pdata._cld._status))
404 return -EFAULT;
405 }
406 return 0;
407}
408
409extern int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs);
410extern int svr4_getcontext(svr4_ucontext_t *c, struct pt_regs *regs);
411
412asmlinkage int solaris_context(struct pt_regs *regs)
413{
414 switch ((unsigned)regs->u_regs[UREG_I0]) {
415 case 0: /* getcontext */
416 return svr4_getcontext((svr4_ucontext_t *)(long)(u32)regs->u_regs[UREG_I1], regs);
417 case 1: /* setcontext */
418 return svr4_setcontext((svr4_ucontext_t *)(long)(u32)regs->u_regs[UREG_I1], regs);
419 default:
420 return -EINVAL;
421
422 }
423}
424
425asmlinkage int solaris_sigaltstack(u32 ss, u32 oss)
426{
427/* XXX Implement this soon */
428 return 0;
429}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 02:45:26 -0500