From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S | 35 ++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S

(limited to 'ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S')

diff --git a/ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S b/ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S
new file mode 100644
index 00000000..c1e40a1a
--- /dev/null
+++ b/ANDROID_3.4.5/arch/alpha/lib/dbg_stackkill.S
@@ -0,0 +1,35 @@
+/*
+ * arch/alpha/lib/dbg_stackkill.S
+ * Contributed by Richard Henderson (rth@cygnus.com)
+ *
+ * Clobber the balance of the kernel stack, hoping to catch
+ * uninitialized local variables in the act.
+ */
+
+#include <asm/asm-offsets.h>
+
+	.text
+	.set noat
+
+	.align 5
+	.globl _mcount
+	.ent _mcount
+_mcount:
+	.frame $30, 0, $28, 0
+	.prologue 0
+
+	ldi	$0, 0xdeadbeef
+	lda	$2, -STACK_SIZE
+	sll	$0, 32, $1
+	and	$30, $2, $2
+	or	$0, $1, $0
+	lda	$2, TASK_SIZE($2)
+	cmpult	$2, $30, $1
+	beq	$1, 2f
+1:	stq	$0, 0($2)
+	addq	$2, 8, $2
+	cmpult	$2, $30, $1
+	bne	$1, 1b
+2:	ret	($28)
+
+	.end _mcount
-- 
cgit