[src/trunk]: src/tests/lib/csu/arch Actually add the check_stack_alignment im...

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

details:   https://anonhg.NetBSD.org/src/rev/40a02b8a2ef3
branches:  trunk
changeset: 759248:40a02b8a2ef3
user:      joerg <joerg%NetBSD.org@localhost>
date:      Fri Dec 03 20:51:21 2010 +0000

description:
Actually add the check_stack_alignment implementation for x86.

diffstat:

 tests/lib/csu/arch/i386/h_initfini_align.S   |  15 +++++++++++++++
 tests/lib/csu/arch/x86_64/h_initfini_align.S |  16 ++++++++++++++++
 2 files changed, 31 insertions(+), 0 deletions(-)

diffs (39 lines):

diff -r 7d2197546376 -r 40a02b8a2ef3 tests/lib/csu/arch/i386/h_initfini_align.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/csu/arch/i386/h_initfini_align.S        Fri Dec 03 20:51:21 2010 +0000
@@ -0,0 +1,15 @@
+/*     $NetBSD: h_initfini_align.S,v 1.1 2010/12/03 20:51:21 joerg Exp $       */
+
+#include <machine/asm.h>
+
+RCSID("$NetBSD: h_initfini_align.S,v 1.1 2010/12/03 20:51:21 joerg Exp $")
+
+_ENTRY(check_stack_alignment)
+       movl    %esp, %eax
+       andl    $3, %eax
+       jz 1f
+       xorl    %eax, %eax
+       ret
+1:
+       incl    %eax
+       ret
diff -r 7d2197546376 -r 40a02b8a2ef3 tests/lib/csu/arch/x86_64/h_initfini_align.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/csu/arch/x86_64/h_initfini_align.S      Fri Dec 03 20:51:21 2010 +0000
@@ -0,0 +1,16 @@
+/*     $NetBSD: h_initfini_align.S,v 1.1 2010/12/03 20:51:21 joerg Exp $       */
+
+#include <machine/asm.h>
+
+RCSID("$NetBSD: h_initfini_align.S,v 1.1 2010/12/03 20:51:21 joerg Exp $")
+
+_ENTRY(check_stack_alignment)
+       movl    %esp, %eax
+       andl    $15, %eax
+       subl    $8, %eax
+       jz 1f
+       xorl    %eax, %eax
+       ret
+1:
+       incl    %eax
+       ret