Module Name: src
Committed By: joerg
Date: Sat Aug 7 21:03:18 UTC 2010
Modified Files:
src/sys/sys: cdefs.h
Log Message:
Add __BEGIN_PUBLIC / __END_PUBLIC, __BEGIN_HIDDEN / __END_HIDDEN and
__dso_public and __dso_hidden markers. Change __BEGIN_DECLS /
__END_DECLS to include __BEGIN_PUBLIC / __END_PUBLIC.
To generate a diff of this commit:
cvs rdiff -u -r1.79 -r1.80 src/sys/sys/cdefs.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/cdefs.h
diff -u src/sys/sys/cdefs.h:1.79 src/sys/sys/cdefs.h:1.80
--- src/sys/sys/cdefs.h:1.79 Sat Jul 31 00:04:43 2010
+++ src/sys/sys/cdefs.h Sat Aug 7 21:03:18 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: cdefs.h,v 1.79 2010/07/31 00:04:43 joerg Exp $ */
+/* $NetBSD: cdefs.h,v 1.80 2010/08/07 21:03:18 joerg Exp $ */
/*
* Copyright (c) 1991, 1993
@@ -63,16 +63,6 @@
#include <sys/cdefs_aout.h>
#endif
-#if defined(__cplusplus)
-#define __BEGIN_DECLS extern "C" {
-#define __END_DECLS }
-#define __static_cast(x,y) static_cast<x>(y)
-#else
-#define __BEGIN_DECLS
-#define __END_DECLS
-#define __static_cast(x,y) (x)y
-#endif
-
/*
* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
@@ -228,6 +218,33 @@
#define __used __unused
#endif
+#if __GNUC_PREREQ__(4, 0)
+# define __dso_public __attribute__((__visibility__("default")))
+# define __dso_hidden __attribute__((__visibility__("hidden")))
+# define __BEGIN_PUBLIC _Pragma("GCC visibility push(default)")
+# define __END_PUBLIC _Pragma("GCC visibility pop")
+# define __BEGIN_HIDDEN _Pragma("GCC visibility push(hidden)")
+# define __END_HIDDEN _Pragma("GCC visibility pop")
+#else
+# define __dso_public
+# define __dso_hidden
+# define __BEGIN_PUBLIC
+# define __END_PUBLIC
+# define __BEGIN_HIDDEN
+# define __END_HIDDEN
+#endif
+
+
+#if defined(__cplusplus)
+#define __BEGIN_DECLS __BEGIN_PUBLIC extern "C" {
+#define __END_DECLS } __END_PUBLIC
+#define __static_cast(x,y) static_cast<x>(y)
+#else
+#define __BEGIN_DECLS __BEGIN_PUBLIC
+#define __END_DECLS __END_PUBLIC
+#define __static_cast(x,y) (x)y
+#endif
+
/*
* Non-static C99 inline functions are optional bodies. They don't
* create global symbols if not used, but can be replaced if desirable.
