[WebAssembly] Initial linking support.
This begins minimal support for invoking 'ld' from clang for WebAssembly
targets.
Differential Revision: http://reviews.llvm.org/D15586
llvm-svn: 255848
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 41a4e9a..c35aa1c 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -6439,6 +6439,34 @@
}
// AMDGPU tools end.
+wasm::Linker::Linker(const ToolChain &TC)
+ : GnuTool("wasm::Linker", "lld", TC) {}
+
+bool wasm::Linker::isLinkJob() const {
+ return true;
+}
+
+bool wasm::Linker::hasIntegratedCPP() const {
+ return false;
+}
+
+void wasm::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const char *Linker = Args.MakeArgString(getToolChain().GetLinkerPath());
+ ArgStringList CmdArgs;
+ CmdArgs.push_back("-flavor");
+ CmdArgs.push_back("ld");
+ CmdArgs.push_back("-target");
+ CmdArgs.push_back(Args.MakeArgString(getToolChain().getTripleString()));
+ AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+ C.addCommand(llvm::make_unique<Command>(JA, *this, Linker, CmdArgs, Inputs));
+}
+
const std::string arm::getARMArch(StringRef Arch, const llvm::Triple &Triple) {
std::string MArch;
if (!Arch.empty())