[Driver] Support sanitized libraries on Fuchsia
When using sanitizers, add <resource_dir>/<target>/lib/<sanitizer>
to the list of library paths to support using sanitized version of
runtime libraries if available.
Differential Revision: https://reviews.llvm.org/D53487
llvm-svn: 345537
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 171d1ae..a2db515 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -560,6 +560,40 @@
return false;
}
+static void addSanitizerLibPath(const ToolChain &TC, const ArgList &Args,
+ ArgStringList &CmdArgs, StringRef Name) {
+ for (const auto &LibPath : TC.getLibraryPaths()) {
+ if (!LibPath.empty()) {
+ SmallString<128> P(LibPath);
+ llvm::sys::path::append(P, Name);
+ if (TC.getVFS().exists(P))
+ CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + P));
+ }
+ }
+}
+
+void tools::addSanitizerPathLibArgs(const ToolChain &TC, const ArgList &Args,
+ ArgStringList &CmdArgs) {
+ const SanitizerArgs &SanArgs = TC.getSanitizerArgs();
+ if (SanArgs.needsAsanRt()) {
+ addSanitizerLibPath(TC, Args, CmdArgs, "asan");
+ }
+ if (SanArgs.needsHwasanRt()) {
+ addSanitizerLibPath(TC, Args, CmdArgs, "hwasan");
+ }
+ if (SanArgs.needsLsanRt()) {
+ addSanitizerLibPath(TC, Args, CmdArgs, "lsan");
+ }
+ if (SanArgs.needsMsanRt()) {
+ addSanitizerLibPath(TC, Args, CmdArgs, "msan");
+ }
+ if (SanArgs.needsTsanRt()) {
+ addSanitizerLibPath(TC, Args, CmdArgs, "tsan");
+ }
+}
+
+
+
void tools::linkSanitizerRuntimeDeps(const ToolChain &TC,
ArgStringList &CmdArgs) {
// Force linking against the system libraries sanitizers depends on