From: Roland McGrath <roland@gnu.org>
Date: Wed, 22 Feb 1995 23:19:35 +0000 (+0000)
Subject: (weak_symbol): New macro.
X-Git-Tag: upstream/2.20~23156
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6964dd4e18685e98ed440317247705ca8b55cc5;p=platform%2Fupstream%2Flinaro-glibc.git

(weak_symbol): New macro.
---

diff --git a/libc-symbols.h b/libc-symbols.h
index b41c956..83773bf 100644
--- a/libc-symbols.h
+++ b/libc-symbols.h
@@ -96,13 +96,18 @@ Cambridge, MA 02139, USA.  */
 #define weak_alias(original, alias)	\
   .weak C_SYMBOL_NAME (alias);	\
   C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original)
+
+/* Declare SYMBOL to be weak.  */
+#define weak_symbol(symbol)	.weak C_SYMBOL_NAME (symbol)
 #else
+#define weak_symbol(symbol)	asm (".weak " __SYMBOL_PREFIX #symbol);
 #define weak_alias(original, alias) \
   asm (".weak " __SYMBOL_PREFIX #alias "\n" \
        __SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original);
 #endif
 #else
 #define	weak_alias(original, alias) strong_alias(original, alias)
+#define weak_symbol(symbol)	/* Do nothing.  */
 #endif