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Diffstat (limited to 'arch/sparc64/solaris/signal.c')
-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 @@
-/* $Id: signal.c,v 1.7 2000/09/05 21:44:54 davem Exp $
- * signal.c: Signal emulation for Solaris
- *
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#include <linux/types.h>
-#include <linux/errno.h>
-
-#include <asm/uaccess.h>
-#include <asm/svr4.h>
-#include <asm/string.h>
-
-#include "conv.h"
-#include "signal.h"
-
-#define _S(nr) (1L<<((nr)-1))
-
-#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
-
-long linux_to_solaris_signals[] = {
- 0,
- SOLARIS_SIGHUP, SOLARIS_SIGINT,
- SOLARIS_SIGQUIT, SOLARIS_SIGILL,
- SOLARIS_SIGTRAP, SOLARIS_SIGIOT,
- SOLARIS_SIGEMT, SOLARIS_SIGFPE,
- SOLARIS_SIGKILL, SOLARIS_SIGBUS,
- SOLARIS_SIGSEGV, SOLARIS_SIGSYS,
- SOLARIS_SIGPIPE, SOLARIS_SIGALRM,
- SOLARIS_SIGTERM, SOLARIS_SIGURG,
- SOLARIS_SIGSTOP, SOLARIS_SIGTSTP,
- SOLARIS_SIGCONT, SOLARIS_SIGCLD,
- SOLARIS_SIGTTIN, SOLARIS_SIGTTOU,
- SOLARIS_SIGPOLL, SOLARIS_SIGXCPU,
- SOLARIS_SIGXFSZ, SOLARIS_SIGVTALRM,
- SOLARIS_SIGPROF, SOLARIS_SIGWINCH,
- SOLARIS_SIGUSR1, SOLARIS_SIGUSR1,
- SOLARIS_SIGUSR2, -1,
-};
-
-long solaris_to_linux_signals[] = {
- 0,
- SIGHUP, SIGINT, SIGQUIT, SIGILL,
- SIGTRAP, SIGIOT, SIGEMT, SIGFPE,
- SIGKILL, SIGBUS, SIGSEGV, SIGSYS,
- SIGPIPE, SIGALRM, SIGTERM, SIGUSR1,
- SIGUSR2, SIGCHLD, -1, SIGWINCH,
- SIGURG, SIGPOLL, SIGSTOP, SIGTSTP,
- SIGCONT, SIGTTIN, SIGTTOU, SIGVTALRM,
- SIGPROF, SIGXCPU, SIGXFSZ, -1,
- -1, -1, -1, -1,
- -1, -1, -1, -1,
- -1, -1, -1, -1,
-};
-
-static inline long mapsig(long sig)
-{
- if ((unsigned long)sig > SOLARIS_NSIGNALS)
- return -EINVAL;
- return solaris_to_linux_signals[sig];
-}
-
-asmlinkage int solaris_kill(int pid, int sig)
-{
- int (*sys_kill)(int,int) =
- (int (*)(int,int))SYS(kill);
- int s = mapsig(sig);
-
- if (s < 0) return s;
- return sys_kill(pid, s);
-}
-
-static long sig_handler(int sig, u32 arg, int one_shot)
-{
- struct sigaction sa, old;
- int ret;
- mm_segment_t old_fs = get_fs();
- int (*sys_sigaction)(int,struct sigaction __user *,struct sigaction __user *) =
- (int (*)(int,struct sigaction __user *,struct sigaction __user *))SYS(sigaction);
-
- sigemptyset(&sa.sa_mask);
- sa.sa_restorer = NULL;
- sa.sa_handler = (__sighandler_t)A(arg);
- sa.sa_flags = 0;
- if (one_shot) sa.sa_flags = SA_ONESHOT | SA_NOMASK;
- set_fs (KERNEL_DS);
- ret = sys_sigaction(sig, (void __user *)&sa, (void __user *)&old);
- set_fs (old_fs);
- if (ret < 0) return ret;
- return (u32)(unsigned long)old.sa_handler;
-}
-
-static inline long solaris_signal(int sig, u32 arg)
-{
- return sig_handler (sig, arg, 1);
-}
-
-static long solaris_sigset(int sig, u32 arg)
-{
- if (arg != 2) /* HOLD */ {
- spin_lock_irq(&current->sighand->siglock);
- sigdelsetmask(&current->blocked, _S(sig));
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- return sig_handler (sig, arg, 0);
- } else {
- spin_lock_irq(&current->sighand->siglock);
- sigaddsetmask(&current->blocked, (_S(sig) & ~_BLOCKABLE));
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- return 0;
- }
-}
-
-static inline long solaris_sighold(int sig)
-{
- return solaris_sigset(sig, 2);
-}
-
-static inline long solaris_sigrelse(int sig)
-{
- spin_lock_irq(&current->sighand->siglock);
- sigdelsetmask(&current->blocked, _S(sig));
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- return 0;
-}
-
-static inline long solaris_sigignore(int sig)
-{
- return sig_handler(sig, (u32)(unsigned long)SIG_IGN, 0);
-}
-
-static inline long solaris_sigpause(int sig)
-{
- printk ("Need to support solaris sigpause\n");
- return -ENOSYS;
-}
-
-asmlinkage long solaris_sigfunc(int sig, u32 arg)
-{
- int func = sig & ~0xff;
-
- sig = mapsig(sig & 0xff);
- if (sig < 0) return sig;
- switch (func) {
- case 0: return solaris_signal(sig, arg);
- case 0x100: return solaris_sigset(sig, arg);
- case 0x200: return solaris_sighold(sig);
- case 0x400: return solaris_sigrelse(sig);
- case 0x800: return solaris_sigignore(sig);
- case 0x1000: return solaris_sigpause(sig);
- }
- return -EINVAL;
-}
-
-typedef struct {
- u32 __sigbits[4];
-} sol_sigset_t;
-
-static inline int mapin(u32 *p, sigset_t *q)
-{
- int i;
- u32 x;
- int sig;
-
- sigemptyset(q);
- x = p[0];
- for (i = 1; i <= SOLARIS_NSIGNALS; i++) {
- if (x & 1) {
- sig = solaris_to_linux_signals[i];
- if (sig == -1)
- return -EINVAL;
- sigaddsetmask(q, (1L << (sig - 1)));
- }
- x >>= 1;
- if (i == 32)
- x = p[1];
- }
- return 0;
-}
-
-static inline int mapout(sigset_t *q, u32 *p)
-{
- int i;
- int sig;
-
- p[0] = 0;
- p[1] = 0;
- for (i = 1; i <= 32; i++) {
- if (sigismember(q, sigmask(i))) {
- sig = linux_to_solaris_signals[i];
- if (sig == -1)
- return -EINVAL;
- if (sig > 32)
- p[1] |= 1L << (sig - 33);
- else
- p[0] |= 1L << (sig - 1);
- }
- }
- return 0;
-}
-
-asmlinkage int solaris_sigprocmask(int how, u32 in, u32 out)
-{
- sigset_t in_s, *ins, out_s, *outs;
- mm_segment_t old_fs = get_fs();
- int ret;
- int (*sys_sigprocmask)(int,sigset_t __user *,sigset_t __user *) =
- (int (*)(int,sigset_t __user *,sigset_t __user *))SYS(sigprocmask);
-
- ins = NULL; outs = NULL;
- if (in) {
- u32 tmp[2];
-
- if (copy_from_user (tmp, (void __user *)A(in), 2*sizeof(u32)))
- return -EFAULT;
- ins = &in_s;
- if (mapin (tmp, ins)) return -EINVAL;
- }
- if (out) outs = &out_s;
- set_fs (KERNEL_DS);
- ret = sys_sigprocmask((how == 3) ? SIG_SETMASK : how,
- (void __user *)ins, (void __user *)outs);
- set_fs (old_fs);
- if (ret) return ret;
- if (out) {
- u32 tmp[4];
-
- tmp[2] = 0; tmp[3] = 0;
- if (mapout (outs, tmp)) return -EINVAL;
- if (copy_to_user((void __user *)A(out), tmp, 4*sizeof(u32)))
- return -EFAULT;
- }
- return 0;
-}
-
-asmlinkage long do_sol_sigsuspend(u32 mask)
-{
- sigset_t s;
- u32 tmp[2];
-
- if (copy_from_user (tmp, (sol_sigset_t __user *)A(mask), 2*sizeof(u32)))
- return -EFAULT;
- if (mapin (tmp, &s)) return -EINVAL;
- return (long)s.sig[0];
-}
-
-struct sol_sigaction {
- int sa_flags;
- u32 sa_handler;
- u32 sa_mask[4];
- int sa_resv[2];
-};
-
-asmlinkage int solaris_sigaction(int sig, u32 act, u32 old)
-{
- u32 tmp, tmp2[4];
- struct sigaction s, s2;
- int ret;
- mm_segment_t old_fs = get_fs();
- struct sol_sigaction __user *p = (void __user *)A(old);
- int (*sys_sigaction)(int,struct sigaction __user *,struct sigaction __user *) =
- (int (*)(int,struct sigaction __user *,struct sigaction __user *))SYS(sigaction);
-
- sig = mapsig(sig);
- if (sig < 0) {
- /* We cheat a little bit for Solaris only signals */
- if (old && clear_user(p, sizeof(struct sol_sigaction)))
- return -EFAULT;
- return 0;
- }
- if (act) {
- if (get_user (tmp, &p->sa_flags))
- return -EFAULT;
- s.sa_flags = 0;
- if (tmp & SOLARIS_SA_ONSTACK) s.sa_flags |= SA_STACK;
- if (tmp & SOLARIS_SA_RESTART) s.sa_flags |= SA_RESTART;
- if (tmp & SOLARIS_SA_NODEFER) s.sa_flags |= SA_NOMASK;
- if (tmp & SOLARIS_SA_RESETHAND) s.sa_flags |= SA_ONESHOT;
- if (tmp & SOLARIS_SA_NOCLDSTOP) s.sa_flags |= SA_NOCLDSTOP;
- if (get_user (tmp, &p->sa_handler) ||
- copy_from_user (tmp2, &p->sa_mask, 2*sizeof(u32)))
- return -EFAULT;
- s.sa_handler = (__sighandler_t)A(tmp);
- if (mapin (tmp2, &s.sa_mask)) return -EINVAL;
- s.sa_restorer = NULL;
- }
- set_fs(KERNEL_DS);
- ret = sys_sigaction(sig, act ? (void __user *)&s : NULL,
- old ? (void __user *)&s2 : NULL);
- set_fs(old_fs);
- if (ret) return ret;
- if (old) {
- if (mapout (&s2.sa_mask, tmp2)) return -EINVAL;
- tmp = 0; tmp2[2] = 0; tmp2[3] = 0;
- if (s2.sa_flags & SA_STACK) tmp |= SOLARIS_SA_ONSTACK;
- if (s2.sa_flags & SA_RESTART) tmp |= SOLARIS_SA_RESTART;
- if (s2.sa_flags & SA_NOMASK) tmp |= SOLARIS_SA_NODEFER;
- if (s2.sa_flags & SA_ONESHOT) tmp |= SOLARIS_SA_RESETHAND;
- if (s2.sa_flags & SA_NOCLDSTOP) tmp |= SOLARIS_SA_NOCLDSTOP;
- if (put_user (tmp, &p->sa_flags) ||
- __put_user ((u32)(unsigned long)s2.sa_handler, &p->sa_handler) ||
- copy_to_user (&p->sa_mask, tmp2, 4*sizeof(u32)))
- return -EFAULT;
- }
- return 0;
-}
-
-asmlinkage int solaris_sigpending(int which, u32 set)
-{
- sigset_t s;
- u32 tmp[4];
- switch (which) {
- case 1: /* sigpending */
- spin_lock_irq(&current->sighand->siglock);
- sigandsets(&s, &current->blocked, &current->pending.signal);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- break;
- case 2: /* sigfillset - I just set signals which have linux equivalents */
- sigfillset(&s);
- break;
- default: return -EINVAL;
- }
- if (mapout (&s, tmp)) return -EINVAL;
- tmp[2] = 0; tmp[3] = 0;
- if (copy_to_user ((u32 __user *)A(set), tmp, sizeof(tmp)))
- return -EFAULT;
- return 0;
-}
-
-asmlinkage int solaris_wait(u32 stat_loc)
-{
- unsigned __user *p = (unsigned __user *)A(stat_loc);
- int (*sys_wait4)(pid_t,unsigned __user *, int, struct rusage __user *) =
- (int (*)(pid_t,unsigned __user *, int, struct rusage __user *))SYS(wait4);
- int ret, status;
-
- ret = sys_wait4(-1, p, WUNTRACED, NULL);
- if (ret >= 0 && stat_loc) {
- if (get_user (status, p))
- return -EFAULT;
- if (((status - 1) & 0xffff) < 0xff)
- status = linux_to_solaris_signals[status & 0x7f] & 0x7f;
- else if ((status & 0xff) == 0x7f)
- status = (linux_to_solaris_signals[(status >> 8) & 0xff] << 8) | 0x7f;
- if (__put_user (status, p))
- return -EFAULT;
- }
- return ret;
-}
-
-asmlinkage int solaris_waitid(int idtype, s32 pid, u32 info, int options)
-{
- int (*sys_wait4)(pid_t,unsigned __user *, int, struct rusage __user *) =
- (int (*)(pid_t,unsigned __user *, int, struct rusage __user *))SYS(wait4);
- int opts, status, ret;
-
- switch (idtype) {
- case 0: /* P_PID */ break;
- case 1: /* P_PGID */ pid = -pid; break;
- case 7: /* P_ALL */ pid = -1; break;
- default: return -EINVAL;
- }
- opts = 0;
- if (options & SOLARIS_WUNTRACED) opts |= WUNTRACED;
- if (options & SOLARIS_WNOHANG) opts |= WNOHANG;
- current->state = TASK_RUNNING;
- ret = sys_wait4(pid, (unsigned int __user *)A(info), opts, NULL);
- if (ret < 0) return ret;
- if (info) {
- struct sol_siginfo __user *s = (void __user *)A(info);
-
- if (get_user (status, (unsigned int __user *)A(info)))
- return -EFAULT;
-
- if (__put_user (SOLARIS_SIGCLD, &s->si_signo) ||
- __put_user (ret, &s->_data._proc._pid))
- return -EFAULT;
-
- switch (status & 0xff) {
- case 0: ret = SOLARIS_CLD_EXITED;
- status = (status >> 8) & 0xff;
- break;
- case 0x7f:
- status = (status >> 8) & 0xff;
- switch (status) {
- case SIGSTOP:
- case SIGTSTP: ret = SOLARIS_CLD_STOPPED;
- default: ret = SOLARIS_CLD_EXITED;
- }
- status = linux_to_solaris_signals[status];
- break;
- default:
- if (status & 0x80) ret = SOLARIS_CLD_DUMPED;
- else ret = SOLARIS_CLD_KILLED;
- status = linux_to_solaris_signals[status & 0x7f];
- break;
- }
-
- if (__put_user (ret, &s->si_code) ||
- __put_user (status, &s->_data._proc._pdata._cld._status))
- return -EFAULT;
- }
- return 0;
-}
-
-extern int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs);
-extern int svr4_getcontext(svr4_ucontext_t *c, struct pt_regs *regs);
-
-asmlinkage int solaris_context(struct pt_regs *regs)
-{
- switch ((unsigned)regs->u_regs[UREG_I0]) {
- case 0: /* getcontext */
- return svr4_getcontext((svr4_ucontext_t *)(long)(u32)regs->u_regs[UREG_I1], regs);
- case 1: /* setcontext */
- return svr4_setcontext((svr4_ucontext_t *)(long)(u32)regs->u_regs[UREG_I1], regs);
- default:
- return -EINVAL;
-
- }
-}
-
-asmlinkage int solaris_sigaltstack(u32 ss, u32 oss)
-{
-/* XXX Implement this soon */
- return 0;
-}