From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/alpha/lib/dbg_current.S | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 arch/alpha/lib/dbg_current.S

(limited to 'arch/alpha/lib/dbg_current.S')

diff --git a/arch/alpha/lib/dbg_current.S b/arch/alpha/lib/dbg_current.S
new file mode 100644
index 00000000..e6d07101
--- /dev/null
+++ b/arch/alpha/lib/dbg_current.S
@@ -0,0 +1,29 @@
+/*
+ * arch/alpha/lib/dbg_current.S
+ * Contributed by Richard Henderson (rth@cygnus.com)
+ *
+ * Trap if we find current not correct.
+ */
+
+#include <asm/pal.h>
+
+	.text
+	.set noat
+
+	.globl _mcount
+	.ent _mcount
+_mcount:
+	.frame $30, 0, $28, 0
+	.prologue 0
+
+	lda	$0, -0x4000($30)
+	cmpult	$8, $30, $1
+	cmpule	$0, $30, $2
+	and	$1, $2, $3
+	bne	$3, 1f
+
+	call_pal PAL_bugchk
+
+1:	ret	$31, ($28), 1
+
+	.end _mcount
-- 
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