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PR port-macppc/43619 

Save handler before calling sendsig_reset before it will reset to SIG_DFL
is SA_RESETHAND is set.
This commit is contained in:
matt 2011-02-07 09:39:48 +00:00
parent 76559697b3
commit 37e1e568f2
1 changed files with 8 additions and 6 deletions
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14
sys/arch/powerpc/powerpc/sig_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sig_machdep.c,v 1.38 2011/01/18 01:02:55 matt Exp $ */
/* $NetBSD: sig_machdep.c,v 1.39 2011/02/07 09:39:48 matt Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.38 2011/01/18 01:02:55 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.39 2011/02/07 09:39:48 matt Exp $");
#include "opt_ppcarch.h"
#include "opt_altivec.h"
@ -58,10 +58,12 @@ sendsig_siginfo(const ksiginfo_t *ksi, const sigset_t *mask)
{
struct lwp * const l = curlwp;
struct proc * const p = l->l_proc;
struct trapframe * const tf = trapframe(l);
struct sigaltstack *ss = &l->l_sigstk;
const struct sigact_sigdesc *sd =
struct trapframe * const tf = l->l_md.md_utf;
struct sigaltstack * const ss = &l->l_sigstk;
const struct sigact_sigdesc * const sd =
&p->p_sigacts->sa_sigdesc[ksi->ksi_signo];
/* save handler before sendsig_reset trashes it! */
const void * const handler = sd->sd_sigact.sa_handler;
ucontext_t uc;
vaddr_t sp, sip, ucp;
int onstack, error;
@ -122,7 +124,7 @@ sendsig_siginfo(const ksiginfo_t *ksi, const sigset_t *mask)
/* Preserve ucp across call to signal function */
tf->tf_fixreg[30] = (register_t)ucp;
tf->tf_lr = (register_t)sd->sd_tramp;
tf->tf_srr0 = (register_t)sd->sd_sigact.sa_handler;
tf->tf_srr0 = (register_t)handler;
break;
default: