From 3ae351af19f39b4cc1b4584e13e097685bcaa96b Mon Sep 17 00:00:00 2001
From: marius <marius@FreeBSD.org>
Date: Wed, 15 Sep 2010 21:11:29 +0000
Subject: Add macros for alternate entry points.

---
 sys/sparc64/include/asm.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'sys/sparc64/include')

diff --git a/sys/sparc64/include/asm.h b/sys/sparc64/include/asm.h
index 8182fe7..dea06c5 100644
--- a/sys/sparc64/include/asm.h
+++ b/sys/sparc64/include/asm.h
@@ -76,7 +76,7 @@
 	_ALIGN_TEXT
 
 /*
- * Define a function entry point.
+ * Define function entry and alternate entry points.
  *
  * The compiler produces #function for the .type pseudo-op, but the '#'
  * character has special meaning in cpp macros, so we use @function like
@@ -86,12 +86,19 @@
  * value.  Since this is difficult to predict and its expected that
  * assembler code is already optimized, we leave it out.
  */
+
+#define	_ALTENTRY(x) \
+	.globl	CNAME(x) ; \
+	.type	CNAME(x),@function ; \
+CNAME(x):
+
 #define	_ENTRY(x) \
 	_START_ENTRY ; \
 	.globl	CNAME(x) ; \
 	.type	CNAME(x),@function ; \
 CNAME(x):
 
+#define	ALTENTRY(x)	_ALTENTRY(x)
 #define	ENTRY(x)	_ENTRY(x)
 #define	END(x)		.size x, . - x
 
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