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fix pt_trapuc handling errors: 

- movl to address register doesn't set flags (add explicit test)
- clr only clears a word (use clrl)
This commit is contained in:
cl 2003-09-17 20:08:07 +00:00
parent b2d9db1002
commit c6de69ee49
1 changed files with 4 additions and 3 deletions
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7
lib/libpthread/arch/m68k/pthread_switch.S
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@ -1,4 +1,4 @@
/* $NetBSD: pthread_switch.S,v 1.5 2003/09/07 14:47:49 cl Exp $ */
/* $NetBSD: pthread_switch.S,v 1.6 2003/09/17 20:08:07 cl Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -104,11 +104,12 @@
#define STACK_SWITCH(pt,tmp) \
movl %pt@(PT_TRAPUC),%tmp ; \
cmpl #0,%tmp ; \
bne 1f ; \
movl %pt@(PT_UC),%tmp ; \
1: lea %tmp@(-STACKSPACE),%sp ; \
clr %pt@(PT_TRAPUC)
clrl %pt@(PT_TRAPUC)
/*
* void pthread__switch(pthread_t self, pthread_t next);
*