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Fix sendsig/sigreturn for SOFTFLOAT case.

This commit is contained in:
castor 2000-12-31 19:06:40 +00:00
parent 2f5cf27275
commit a0c38fa362
1 changed files with 10 additions and 2 deletions
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12
sys/arch/mips/mips/mips_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: mips_machdep.c,v 1.111 2000/12/28 09:27:09 castor Exp $ */
/* $NetBSD: mips_machdep.c,v 1.112 2000/12/31 19:06:40 castor Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -52,7 +52,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.111 2000/12/28 09:27:09 castor Exp $");
__KERNEL_RCSID(0, "$NetBSD: mips_machdep.c,v 1.112 2000/12/31 19:06:40 castor Exp $");
#include "opt_compat_netbsd.h"
#include "opt_compat_ultrix.h"
@ -803,6 +803,7 @@ sendsig(catcher, sig, mask, code)
sizeof(ksc.sc_regs) - sizeof(ksc.sc_regs[0]));
/* Save the floating-pointstate, if necessary, then copy it. */
#ifndef SOFTFLOAT
ksc.sc_fpused = p->p_md.md_flags & MDP_FPUSED;
if (ksc.sc_fpused) {
/* if FPU has current state, save it first */
@ -810,6 +811,9 @@ sendsig(catcher, sig, mask, code)
savefpregs(p);
*(struct fpreg *)ksc.sc_fpregs = p->p_addr->u_pcb.pcb_fpregs;
}
#else
*(struct fpreg *)ksc.sc_fpregs = p->p_addr->u_pcb.pcb_fpregs;
#endif
/* Save signal stack. */
ksc.sc_onstack = p->p_sigctx.ps_sigstk.ss_flags & SS_ONSTACK;
@ -914,6 +918,7 @@ sys___sigreturn14(p, v, retval)
f->f_regs[MULHI] = ksc.mulhi;
memcpy(&f->f_regs[1], &scp->sc_regs[1],
sizeof(scp->sc_regs) - sizeof(scp->sc_regs[0]));
#ifndef SOFTFLOAT
if (scp->sc_fpused) {
/* Disable the FPU to fault in FP registers. */
f->f_regs[SR] &= ~MIPS_SR_COP_1_BIT;
@ -922,6 +927,9 @@ sys___sigreturn14(p, v, retval)
}
p->p_addr->u_pcb.pcb_fpregs = *(struct fpreg *)scp->sc_fpregs;
}
#else
p->p_addr->u_pcb.pcb_fpregs = *(struct fpreg *)scp->sc_fpregs;
#endif
/* Restore signal stack. */
if (ksc.sc_onstack & SS_ONSTACK)