[Legacy-Flang][Driver][ASan] Add default rpath of host-asan

ampandey-1995 · ampandey-1995 · commit 0ebe32e93f45 · 2024-04-04T18:02:02.000+05:30
library(libclang_rt.asan.x86_64.so)) for OpenMP Offloading applications
when ASan.
diff --git a/flang-legacy/17.0-4/llvm-legacy/clang/lib/Driver/ToolChains/CommonArgs.cpp b/flang-legacy/17.0-4/llvm-legacy/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -949,8 +949,13 @@ void tools::addOpenMPRuntimeSpecificRPath(const ToolChain &TC,
     SmallString<256> DefaultLibPath =
         llvm::sys::path::parent_path(TC.getDriver().Dir);
     llvm::sys::path::append(DefaultLibPath, CLANG_INSTALL_LIBDIR_BASENAME);
+    if (TC.getSanitizerArgs(Args).needsAsanRt()) {
+      CmdArgs.push_back("-rpath");
+      CmdArgs.push_back(Args.MakeArgString(TC.getCompilerRTPath()));
+    }
     CmdArgs.push_back("-rpath");
     CmdArgs.push_back(Args.MakeArgString(CandidateRPath.c_str()));
+    CmdArgs.push_back("--disable-new-dtags");
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -949,8 +949,13 @@ void tools::addOpenMPRuntimeSpecificRPath(const ToolChain &TC,`
`949`	`949`	`SmallString<256> DefaultLibPath =`
`950`	`950`	`llvm::sys::path::parent_path(TC.getDriver().Dir);`
`951`	`951`	`llvm::sys::path::append(DefaultLibPath, CLANG_INSTALL_LIBDIR_BASENAME);`
	`952`	`+ if (TC.getSanitizerArgs(Args).needsAsanRt()) {`
	`953`	`+ CmdArgs.push_back("-rpath");`
	`954`	`+ CmdArgs.push_back(Args.MakeArgString(TC.getCompilerRTPath()));`
	`955`	`+ }`
`952`	`956`	`CmdArgs.push_back("-rpath");`
`953`	`957`	`CmdArgs.push_back(Args.MakeArgString(CandidateRPath.c_str()));`
	`958`	`+ CmdArgs.push_back("--disable-new-dtags");`
`954`	`959`	`}`
`955`	`960`	`}`
`956`	`961`