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authorDuncan Sands <baldrick@free.fr>2010-05-11 20:16:09 +0000
committerDuncan Sands <baldrick@free.fr>2010-05-11 20:16:09 +0000
commit16d8f8bd919b72866e687d99f3aa94a140137c59 (patch)
tree714b8f3a0263725071bbe039d871271b2859270a /include/llvm/Support/Compiler.h
parent124b55ddedb46d087c261f8ef84d2382a399315b (diff)
I got tired of VISIBILITY_HIDDEN colliding with the gcc enum. Rename it
to LLVM_LIBRARY_VISIBILITY and introduce LLVM_GLOBAL_VISIBILITY, which is the opposite, for future use by dragonegg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103495 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/Compiler.h')
-rw-r--r--include/llvm/Support/Compiler.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index 881a0fea23..b2ce76d285 100644
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -15,12 +15,21 @@
#ifndef LLVM_SUPPORT_COMPILER_H
#define LLVM_SUPPORT_COMPILER_H
-// The VISIBILITY_HIDDEN macro, used for marking classes with the GCC-specific
-// visibility("hidden") attribute.
+/// LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked
+/// into a shared library, then the class should be private to the library and
+/// not accessible from outside it. Can also be used to mark variables and
+/// functions, making them private to any shared library they are linked into.
+
+/// LLVM_GLOBAL_VISIBILITY - If a class marked with this attribute is linked
+/// into a shared library, then the class will be accessible from outside the
+/// the library. Can also be used to mark variables and functions, making them
+/// accessible from outside any shared library they are linked into.
#if (__GNUC__ >= 4) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-#define VISIBILITY_HIDDEN __attribute__ ((visibility("hidden")))
+#define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden")))
+#define LLVM_GLOBAL_VISIBILITY __attribute__ ((visibility("default")))
#else
-#define VISIBILITY_HIDDEN
+#define LLVM_LIBRARY_VISIBILITY
+#define LLVM_GLOBAL_VISIBILITY
#endif
#if (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))