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Repeat after me: Thou shalt run the regression tests.

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This commit is contained in:
scw 2003-08-10 20:39:15 +00:00
parent c336185a31
commit 6ba9f44930
1 changed files with 8 additions and 9 deletions
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17
lib/libc/arch/sh5/sys/__clone.S
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@ -1,4 +1,4 @@
/* $NetBSD: __clone.S,v 1.3 2003/03/24 14:29:34 scw Exp $ */
/* $NetBSD: __clone.S,v 1.4 2003/08/10 20:39:15 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -44,22 +44,21 @@ WEAK_ALIAS(clone,__clone)
/*
* int clone(int (*fn)(void *), void *stack, int flags, void *arg);
* r2 r3 r4 r5
*/
ENTRY(__clone)
pta/u 1f, tr0 /* Preload error path */
beq/u r2, r63, tr0 /* Bomb if fn is NULL */
beq/u r3, r63, tr0 /* Bomb if stack is NULL */
or r2, r63, r6 /* Preserve "fn" in r6 (syscall won't trash) */
or r3, r63, r2 /* Shuffle syscall args: stack */
or r4, r63, r3 /* Shuffle syscall args: flags */
SYSTRAP(__clone)
ptabs/u r2, tr1 /* Preserve "fn" in tr1 (syscall won't trash) */
or r4, r63, r2 /* Shuffle syscall args: flags */
SYSTRAP(__clone) /* syscall args: stack already in r3 */
pta/u 2f, tr0
bne/u r0, r63, tr0
bne/u r0, r63, tr0 /* Bail on error */
ptabs/l r18, tr0
bne/l r2, r63, tr0 /* If parent, just return. */
ptabs/l r6, tr0 /* Clone's "fn" was safe in r6 */
beq/l r3, r63, tr0 /* If parent, just return. */
or r5, r63, r2 /* Clone's "arg" was safe in r5 */
blink tr0, r18 /* Invoke the clone */
blink tr1, r18 /* Invoke the clone */
PIC_PROLOGUE
PIC_PTAL(_C_LABEL(_exit), r0, tr0)
blink tr0, r63 /* If clone returns, invoke _exit(3) */