Implement -fvisibility.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68369 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index de19409..e6dac43 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -764,6 +764,28 @@
Options.setGCMode(LangOptions::HybridGC);
}
+static llvm::cl::opt<std::string>
+SymbolVisibility("fvisibility",
+ llvm::cl::desc("Set the default visibility to the specific option"));
+
+void InitializeSymbolVisibility(LangOptions &Options) {
+ if (SymbolVisibility.empty())
+ return;
+ std::string Visibility = SymbolVisibility;
+ const char *vkind = Visibility.c_str();
+ if (!strcmp(vkind, "default"))
+ Options.setVisibilityMode(LangOptions::DefaultVisibility);
+ else if (!strcmp(vkind, "protected"))
+ Options.setVisibilityMode(LangOptions::ProtectedVisibility);
+ else if (!strcmp(vkind, "hidden"))
+ Options.setVisibilityMode(LangOptions::HiddenVisibility);
+ else if (!strcmp(vkind, "internal"))
+ Options.setVisibilityMode(LangOptions::InternalVisibility);
+ else
+ fprintf(stderr,
+ "-fvisibility only valid for default|protected|hidden|internal\n");
+}
+
static llvm::cl::opt<bool>
OverflowChecking("ftrapv",
llvm::cl::desc("Trap on integer overflow"),
@@ -1770,6 +1792,7 @@
LangKind LK = GetLanguage(InFile);
InitializeLangOptions(LangInfo, LK);
InitializeGCMode(LangInfo);
+ InitializeSymbolVisibility(LangInfo);
InitializeOverflowChecking(LangInfo);
InitializeLanguageStandard(LangInfo, LK, Target.get());