Revision: 128845
Author: johannes
Date: 2007-06-26 17:16:19 -0700 (Tue, 26 Jun 2007)
Log Message:
-----------
Make weak_import work for LLVM.
Modified Paths:
--------------
apple-local/branches/llvm/gcc/config/darwin.h
Modified: apple-local/branches/llvm/gcc/config/darwin.h
===================================================================
--- apple-local/branches/llvm/gcc/config/darwin.h 2007-06-26 21:59:14 UTC
(rev 128844)
+++ apple-local/branches/llvm/gcc/config/darwin.h 2007-06-27 00:16:19 UTC
(rev 128845)
@@ -673,6 +673,23 @@
fputc ('\n', FILE);
\
} while (0)
+/* APPLE LOCAL begin LLVM */
+/* weak_import, a Darwin special, does not make function definitions weak. */
+#define TARGET_ADJUST_LLVM_LINKAGE(FN, DECL) \
+ do { \
+ if ((DECL) && \
+ TREE_CODE (DECL) == FUNCTION_DECL && \
+ !DECL_EXTERNAL (DECL) && \
+ TREE_PUBLIC (DECL) && \
+ DECL_WEAK (DECL) && \
+ ! lookup_attribute ("weak", DECL_ATTRIBUTES (DECL)) && \
+ lookup_attribute ("weak_import", DECL_ATTRIBUTES (DECL)) && \
+ (FN)->hasWeakLinkage()) { \
+ (FN)->setLinkage(Function::ExternalLinkage); \
+ } \
+ } while (0)
+/* APPLE LOCAL end LLVM */
+
/* Darwin has the pthread routines in libSystem, which every program
links to, so there's no need for weak-ness for that. */
#define GTHREAD_USE_WEAK 0
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