Author: ian
Date: Sat May 23 20:53:19 2015
New Revision: 283326
URL: https://svnweb.freebsd.org/changeset/base/283326
Log:
MFC r268137, r268138:
Define a "__weak" macro for declaring symbols "weak".
Add support for empty data sets. Data set begin and end pointers
should resolve to "NULL" when not present. This is done by declaring
the data set begin and end symbols as "weak".
Modified:
stable/10/sys/sys/cdefs.h
stable/10/sys/sys/linker_set.h
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/sys/cdefs.h
==============================================================================
--- stable/10/sys/sys/cdefs.h Sat May 23 20:29:06 2015 (r283325)
+++ stable/10/sys/sys/cdefs.h Sat May 23 20:53:19 2015 (r283326)
@@ -213,7 +213,9 @@
#define __packed
#define __aligned(x)
#define __section(x)
+#define __weak
#else
+#define __weak __attribute__((__weak__))
#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
#define __dead2
#define __pure2
Modified: stable/10/sys/sys/linker_set.h
==============================================================================
--- stable/10/sys/sys/linker_set.h Sat May 23 20:29:06 2015
(r283325)
+++ stable/10/sys/sys/linker_set.h Sat May 23 20:53:19 2015
(r283326)
@@ -68,9 +68,9 @@
/*
* Initialize before referring to a given linker set.
*/
-#define SET_DECLARE(set, ptype)
\
- extern ptype *__CONCAT(__start_set_,set); \
- extern ptype *__CONCAT(__stop_set_,set)
+#define SET_DECLARE(set, ptype) \
+ extern ptype __weak *__CONCAT(__start_set_,set); \
+ extern ptype __weak *__CONCAT(__stop_set_,set)
#define SET_BEGIN(set) \
(&__CONCAT(__start_set_,set))
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
