diff options
Diffstat (limited to 'arch/sparc64/solaris/signal.c')
| -rw-r--r-- | arch/sparc64/solaris/signal.c | 429 |
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 de10c9716cf..00000000000 --- 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(¤t->sighand->siglock); - sigdelsetmask(¤t->blocked, _S(sig)); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - return sig_handler (sig, arg, 0); - } else { - spin_lock_irq(¤t->sighand->siglock); - sigaddsetmask(¤t->blocked, (_S(sig) & ~_BLOCKABLE)); - recalc_sigpending(); - spin_unlock_irq(¤t->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(¤t->sighand->siglock); - sigdelsetmask(¤t->blocked, _S(sig)); - recalc_sigpending(); - spin_unlock_irq(¤t->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(¤t->sighand->siglock); - sigandsets(&s, ¤t->blocked, ¤t->pending.signal); - recalc_sigpending(); - spin_unlock_irq(¤t->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; -} |