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When creating a mcontext, make sure the PSR we are saving is actually valid.

This commit is contained in:
matt 2014-08-13 21:10:31 +00:00
parent 22405d4653
commit f106fcdb01
1 changed files with 5 additions and 2 deletions
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7
sys/arch/arm/arm/sig_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: sig_machdep.c,v 1.47 2013/08/18 06:28:18 matt Exp $ */
/* $NetBSD: sig_machdep.c,v 1.48 2014/08/13 21:10:31 matt Exp $ */
/*
* Copyright (c) 1994-1998 Mark Brinicombe.
@ -44,7 +44,7 @@
#include <sys/param.h>
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.47 2013/08/18 06:28:18 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: sig_machdep.c,v 1.48 2014/08/13 21:10:31 matt Exp $");
#include <sys/mount.h> /* XXX only needed by syscallargs.h */
#include <sys/cpu.h>
@ -184,6 +184,9 @@ cpu_getmcontext(struct lwp *l, mcontext_t *mcp, unsigned int *flags)
gr[_REG_PC] = tf->tf_pc;
gr[_REG_CPSR] = tf->tf_spsr;
KASSERTMSG(VALID_R15_PSR(gr[_REG_PC], gr[_REG_CPSR]), "%#x %#x",
gr[_REG_PC], gr[_REG_CPSR]);
if ((ras_pc = (__greg_t)ras_lookup(l->l_proc,
(void *) gr[_REG_PC])) != -1)
gr[_REG_PC] = ras_pc;