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Simplify.

This commit is contained in:
pk 1995-03-11 20:28:59 +00:00
parent 999d50b578
commit 7aa7897748
1 changed files with 19 additions and 35 deletions
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54
lib/libc/arch/sparc/gen/sigsetjmp.S
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@ -1,4 +1,4 @@
/* $NetBSD: sigsetjmp.S,v 1.1 1995/01/11 20:22:28 pk Exp $ */
/* $NetBSD: sigsetjmp.S,v 1.2 1995/03/11 20:28:59 pk Exp $ */
/*
* Copyright (c) 1995 Paul Kranenburg
* All rights reserved.
@ -33,54 +33,38 @@
#include "SYS.h"
#ifdef PIC
/*
* We cannot do PIC branches to external labels, hence all this crap.
*/
.data
L_setjmp: .word _setjmp
L__setjmp: .word __setjmp
L_longjmp: .word _longjmp
L__longjmp: .word __longjmp
.text
ENTRY(sigsetjmp)
PIC_PROLOGUE(%g1,%g2)
PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE
cmp %o1,0
st %o1,[%o0+40] ! jmpbuf[JBLEN]
bne 1f
nop
ld [%g1+L__setjmp], %g1
ba,a 2f
bne,a 1f
ld [%g1+_setjmp], %g1 ! if (%o1 != 0) goto _setjmp;
ld [%g1+__setjmp], %g1 ! else goto __setjmp;
1:
ld [%g1+L_setjmp], %g1
ba,a 2f
unimp 0
jmp %g1
nop
ENTRY(siglongjmp)
PIC_PROLOGUE(%g1,%g2)
ld [%o0+40],%g2
PIC_PROLOGUE(%g1,%g2) ! %g1 = _GLOBAL_OFFSET_TABLE
ld [%o0+40],%g2 ! jmpbuf[JBLEN]
cmp %g2,0
bne 1f
nop
ld [%g1+L__longjmp], %g1
ba,a 2f
bne,a 1f
ld [%g1+_longjmp], %g1 ! if (%g2 != 0) goto _longjmp;
ld [%g1+__longjmp], %g1 ! else goto __longjmp;
1:
ld [%g1+L_longjmp], %g1
2:
ld [%g1],%g1
jmp %g1
nop
unimp 0
#else
#else /* PIC */
ENTRY(sigsetjmp)
cmp %o1,0
st %o1,[%o0+40] ! jmpbuf[JBLEN]
be __setjmp
st %o1,[%o0+40] ! jmpbuf[JBLEN]
nop
ba _setjmp
nop
ba,a _setjmp
unimp 0
ENTRY(siglongjmp)
@ -88,7 +72,7 @@ ENTRY(siglongjmp)
cmp %g1,0
be __longjmp
nop
ba _longjmp
nop
ba,a _longjmp
unimp 0
#endif
#endif /* PIC */