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Use the context flag bits.

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This commit is contained in:
mycroft 1998-09-11 13:22:45 +00:00
parent 20de87e848
commit a2d9c7ed82
1 changed files with 49 additions and 42 deletions
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11
sys/arch/i386/i386/svr4_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: svr4_machdep.c,v 1.38 1998/09/11 12:50:06 mycroft Exp $ */
/* $NetBSD: svr4_machdep.c,v 1.39 1998/09/11 13:22:45 mycroft Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
@ -138,7 +138,7 @@ svr4_getcontext(p, uc, mask)
/*
* Set the flags
*/
uc->uc_flags = SVR4_UC_ALL;
uc->uc_flags = SVR4_UC_CPU|SVR4_UC_SIGMASK|SVR4_UC_STACK;
}
@ -168,6 +168,7 @@ svr4_setcontext(p, uc)
* What to do with floating point stuff?
*/
if (uc->uc_flags & SVR4_UC_CPU) {
/* Restore register context. */
tf = p->p_md.md_regs;
#ifdef VM86
@ -206,13 +207,18 @@ svr4_setcontext(p, uc)
tf->tf_cs = r[SVR4_X86_CS];
tf->tf_ss = r[SVR4_X86_SS];
tf->tf_esp = r[SVR4_X86_ESP];
}
if (uc->uc_flags & SVR4_UC_STACK) {
/* Restore signal stack. */
svr4_to_native_sigaltstack(&uc->uc_stack, &p->p_sigacts->ps_sigstk);
}
if (uc->uc_flags & SVR4_UC_SIGMASK) {
/* Restore signal mask. */
svr4_to_native_sigset(&uc->uc_sigmask, &mask);
(void) sigprocmask1(p, SIG_SETMASK, &mask, 0);
}
return (EJUSTRETURN);
}
@ -366,6 +372,7 @@ svr4_sendsig(catcher, sig, mask, code)
frame.sf_sip = &fp->sf_si;
frame.sf_ucp = &fp->sf_uc;
frame.sf_handler = catcher;
#ifdef DEBUG_SVR4
printf("sig = %d, sip %p, ucp = %p, handler = %p\n",
frame.sf_signum, frame.sf_sip, frame.sf_ucp, frame.sf_handler);