Author: marius
Date: Wed Sep 15 21:11:29 2010
New Revision: 212705
URL: http://svn.freebsd.org/changeset/base/212705
Log:
Add macros for alternate entry points.
Modified:
head/sys/sparc64/include/asm.h
Modified: head/sys/sparc64/include/asm.h
==============================================================================
--- head/sys/sparc64/include/asm.h Wed Sep 15 21:08:57 2010
(r212704)
+++ head/sys/sparc64/include/asm.h Wed Sep 15 21:11:29 2010
(r212705)
@@ -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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