[src/trunk]: src/lib/libc/arch/mips/sys Duh, call the clone's entry point w/ ...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5e7e35fd80e3
branches:  trunk
changeset: 513001:5e7e35fd80e3
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Fri Jul 20 17:37:39 2001 +0000

description:
Duh, call the clone's entry point w/ jal, so that when it returns,
it returns to the correct $ra (not the parent's!!).

diffstat:

 lib/libc/arch/mips/sys/__clone.S |  27 ++++++++++++++++-----------
 1 files changed, 16 insertions(+), 11 deletions(-)

diffs (53 lines):

diff -r 3681c2975435 -r 5e7e35fd80e3 lib/libc/arch/mips/sys/__clone.S
--- a/lib/libc/arch/mips/sys/__clone.S  Fri Jul 20 17:31:24 2001 +0000
+++ b/lib/libc/arch/mips/sys/__clone.S  Fri Jul 20 17:37:39 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: __clone.S,v 1.2 2001/07/17 02:05:32 thorpej Exp $      */
+/*     $NetBSD: __clone.S,v 1.3 2001/07/20 17:37:39 thorpej Exp $      */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -71,28 +71,33 @@
         */
        move    a0, a2
        SYSTRAP(__clone)
-       bne     a3, zero, 9f
+       bne     a3, zero, 8f
 
-       beq     v1, zero, 8f    # v1 (rv[1]) == 0, parent, child pid in v0
+       bne     v1, zero, 9f    # v1 (rv[1]) == 0, parent, child pid in v0
+
+       j       ra              # parent return
 
-       /*
-        * Fetch the function and argument from the new stack, and
-        * pop it back.
+8:     PIC_CALL(__cerror, t9)
+       /* NOTREACHED */
+
+9:     /*
+        * Child: Fetch the function and argument from the new stack,
+        * and pop it back.
         */
        REG_L   t9, 0(sp)
        REG_L   a0, SZREG(sp)
        addu    sp, sp, (2 * SZREG)
 
+#ifdef ABICALLS
+       .cprestore
+#endif
+
        /* Call the clone's entry point. */
-       jr      t9
+       jal     t9
 
        /* Pass the return value to _exit(). */
        move    a0, v0
        PIC_CALL(_exit, t9)
 
        /* NOTREACHED */
-
-8:     j       ra
-
-9:     PIC_CALL(__cerror, t9)
 END(__clone)