From ac9454c2e159da4614b97e8e1acbca4e9a5165a8 Mon Sep 17 00:00:00 2001 From: christos Date: Sat, 22 Apr 1995 23:36:10 +0000 Subject: [PATCH] remove sunos_machdep.c --- sys/arch/amiga/amiga/sunos_machdep.c | 219 --------------------------- 1 file changed, 219 deletions(-) delete mode 100644 sys/arch/amiga/amiga/sunos_machdep.c diff --git a/sys/arch/amiga/amiga/sunos_machdep.c b/sys/arch/amiga/amiga/sunos_machdep.c deleted file mode 100644 index 0c8779e0a60a..000000000000 --- a/sys/arch/amiga/amiga/sunos_machdep.c +++ /dev/null @@ -1,219 +0,0 @@ -/* $NetBSD: sunos_machdep.c,v 1.1 1995/04/22 20:24:58 christos Exp $ */ - -/* - * Copyright (c) 1988 University of Utah. - * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * the Systems Programming Group of the University of Utah Computer - * Science Department. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: Utah $Hdr: machdep.c 1.63 91/04/24$ - * - * @(#)machdep.c 7.16 (Berkeley) 6/3/91 - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* sigh.. I guess it's too late to change now, but "our" sigcontext - is plain vax, not very 68000 (ap, for example..) */ -struct sunos_sigcontext { - int sc_onstack; /* sigstack state to restore */ - int sc_mask; /* signal mask to restore */ - int sc_sp; /* sp to restore */ - int sc_pc; /* pc to restore */ - int sc_ps; /* psl to restore */ -}; -struct sunos_sigframe { - int ssf_signum; /* signo for handler */ - int ssf_code; /* additional info for handler */ - struct sunos_sigcontext *ssf_scp; /* context pointer for handler */ - u_int ssf_addr; /* even more info for handler */ - struct sunos_sigcontext ssf_sc; /* I don't know if that's what - comes here */ -}; -/* - * much simpler sendsig() for SunOS processes, as SunOS does the whole - * context-saving in usermode. For now, no hardware information (ie. - * frames for buserror etc) is saved. This could be fatal, so I take - * SIG_DFL for "dangerous" signals. - */ -void -sunos_sendsig(catcher, sig, mask, code) - sig_t catcher; - int sig, mask; - unsigned code; -{ - register struct proc *p = curproc; - register struct sunos_sigframe *fp; - struct sunos_sigframe kfp; - register struct frame *frame; - register struct sigacts *psp = p->p_sigacts; - register short ft; - int oonstack, fsize; - - frame = (struct frame *)p->p_md.md_regs; - ft = frame->f_format; - oonstack = psp->ps_sigstk.ss_flags & SA_ONSTACK; - /* - * Allocate and validate space for the signal handler - * context. Note that if the stack is in P0 space, the - * call to grow() is a nop, and the useracc() check - * will fail if the process has not already allocated - * the space with a `brk'. - */ - fsize = sizeof(struct sunos_sigframe); - if ((psp->ps_flags & SAS_ALTSTACK) && oonstack == 0 && - (psp->ps_sigonstack & sigmask(sig))) { - fp = (struct sunos_sigframe *)(psp->ps_sigstk.ss_base + - psp->ps_sigstk.ss_size - sizeof(struct sunos_sigframe)); - psp->ps_sigstk.ss_flags |= SA_ONSTACK; - } else - fp = (struct sunos_sigframe *)frame->f_regs[SP] - 1; - if ((unsigned)fp <= USRSTACK - ctob(p->p_vmspace->vm_ssize)) - (void)grow(p, (unsigned)fp); -#ifdef DEBUG - if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) - printf("sunos_sendsig(%d): sig %d ssp %x usp %x scp %x ft %d\n", - p->p_pid, sig, &oonstack, fp, &fp->ssf_sc, ft); -#endif - if (useracc((caddr_t)fp, fsize, B_WRITE) == 0) { -#ifdef DEBUG - if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) - printf("sunos_sendsig(%d): useracc failed on sig %d\n", - p->p_pid, sig); -#endif - /* - * Process has trashed its stack; give it an illegal - * instruction to halt it in its tracks. - */ - SIGACTION(p, SIGILL) = SIG_DFL; - sig = sigmask(SIGILL); - p->p_sigignore &= ~sig; - p->p_sigcatch &= ~sig; - p->p_sigmask &= ~sig; - psignal(p, SIGILL); - return; - } - /* - * Build the argument list for the signal handler. - */ - kfp.ssf_signum = sig; - kfp.ssf_code = code; - kfp.ssf_scp = &fp->ssf_sc; - kfp.ssf_addr = ~0; /* means: not computable */ - - /* - * Build the signal context to be used by sigreturn. - */ - kfp.ssf_sc.sc_onstack = oonstack; - kfp.ssf_sc.sc_mask = mask; - kfp.ssf_sc.sc_sp = frame->f_regs[SP]; - kfp.ssf_sc.sc_pc = frame->f_pc; - kfp.ssf_sc.sc_ps = frame->f_sr; - (void) copyout(&kfp, fp, fsize); - frame->f_regs[SP] = (int)fp; -#ifdef DEBUG - if (sigdebug & SDB_FOLLOW) - printf("sunos_sendsig(%d): sig %d scp %x sc_sp %x\n", - p->p_pid, sig, kfp.ssf_sc.sc_sp); -#endif - - /* have the user-level trampoline code sort out what registers it - has to preserve. */ - frame->f_pc = (u_int) catcher; -#ifdef DEBUG - if ((sigdebug & SDB_KSTACK) && p->p_pid == sigpid) - printf("sunos_sendsig(%d): sig %d returns\n", - p->p_pid, sig); -#endif -} - - -int -sunos_sigreturn(p, uap, retval) - struct proc *p; - struct sunos_sigreturn_args *uap; - register_t *retval; -{ - register struct sunos_sigcontext *scp; - register struct frame *frame; - register int rf; - struct sunos_sigcontext tsigc; - int flags; - - scp = uap->sigcntxp; -#ifdef DEBUG - if (sigdebug & SDB_FOLLOW) - printf("sunos_sigreturn: pid %d, scp %x\n", p->p_pid, scp); -#endif - if ((int)scp & 1) - return (EINVAL); - /* - * Test and fetch the context structure. - * We grab it all at once for speed. - */ - if (useracc((caddr_t)scp, sizeof (*scp), B_WRITE) == 0 || - copyin((caddr_t)scp, (caddr_t)&tsigc, sizeof tsigc)) - return (EINVAL); - scp = &tsigc; - if ((scp->sc_ps & (PSL_MBZ|PSL_IPL|PSL_S)) != 0) - return (EINVAL); - /* - * Restore the user supplied information - */ - if (scp->sc_onstack & 1) - p->p_sigacts->ps_sigstk.ss_flags |= SA_ONSTACK; - else - p->p_sigacts->ps_sigstk.ss_flags &= ~SA_ONSTACK; - p->p_sigmask = scp->sc_mask &~ sigcantmask; - frame = (struct frame *) p->p_md.md_regs; - frame->f_regs[SP] = scp->sc_sp; - frame->f_pc = scp->sc_pc; - frame->f_sr = scp->sc_ps; - - return EJUSTRETURN; -}