1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/VEToolchain.cpp b/contrib/llvm-project/clang/lib/Driver/ToolChains/VEToolchain.cpp
new file mode 100644
index 000000000000..6ea405c0269c
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/VEToolchain.cpp
@@ -0,0 +1,119 @@
+//===--- VE.cpp - VE ToolChain Implementations ------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "VEToolchain.h"
+#include "CommonArgs.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include <cstdlib> // ::getenv
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang;
+using namespace llvm::opt;
+
+/// VE tool chain
+VEToolChain::VEToolChain(const Driver &D, const llvm::Triple &Triple,
+                         const ArgList &Args)
+    : Linux(D, Triple, Args) {
+  getProgramPaths().push_back("/opt/nec/ve/bin");
+  // ProgramPaths are found via 'PATH' environment variable.
+
+  // default file paths are:
+  //   ${RESOURCEDIR}/lib/linux/ve (== getArchSpecificLibPath)
+  //   /lib/../lib64
+  //   /usr/lib/../lib64
+  //   ${BINPATH}/../lib
+  //   /lib
+  //   /usr/lib
+  //
+  // These are OK for host, but no go for VE.  So, defines them all
+  // from scratch here.
+  getFilePaths().clear();
+  getFilePaths().push_back(getArchSpecificLibPath());
+  getFilePaths().push_back(computeSysRoot() + "/opt/nec/ve/lib");
+}
+
+Tool *VEToolChain::buildAssembler() const {
+  return new tools::gnutools::Assembler(*this);
+}
+
+Tool *VEToolChain::buildLinker() const {
+  return new tools::gnutools::Linker(*this);
+}
+
+bool VEToolChain::isPICDefault() const { return false; }
+
+bool VEToolChain::isPIEDefault() const { return false; }
+
+bool VEToolChain::isPICDefaultForced() const { return false; }
+
+bool VEToolChain::SupportsProfiling() const { return false; }
+
+bool VEToolChain::hasBlocksRuntime() const { return false; }
+
+void VEToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                            ArgStringList &CC1Args) const {
+  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
+    return;
+
+  if (DriverArgs.hasArg(options::OPT_nobuiltininc) &&
+      DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+
+  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+    SmallString<128> P(getDriver().ResourceDir);
+    llvm::sys::path::append(P, "include");
+    addSystemInclude(DriverArgs, CC1Args, P);
+  }
+
+  if (!DriverArgs.hasArg(options::OPT_nostdlibinc)) {
+    if (const char *cl_include_dir = getenv("NCC_C_INCLUDE_PATH")) {
+      SmallVector<StringRef, 4> Dirs;
+      const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
+      StringRef(cl_include_dir).split(Dirs, StringRef(EnvPathSeparatorStr));
+      ArrayRef<StringRef> DirVec(Dirs);
+      addSystemIncludes(DriverArgs, CC1Args, DirVec);
+    } else {
+      addSystemInclude(DriverArgs, CC1Args,
+                       getDriver().SysRoot + "/opt/nec/ve/include");
+    }
+  }
+}
+
+void VEToolChain::addClangTargetOptions(const ArgList &DriverArgs,
+                                        ArgStringList &CC1Args,
+                                        Action::OffloadKind) const {
+  CC1Args.push_back("-nostdsysteminc");
+  bool UseInitArrayDefault = true;
+  if (!DriverArgs.hasFlag(options::OPT_fuse_init_array,
+                          options::OPT_fno_use_init_array, UseInitArrayDefault))
+    CC1Args.push_back("-fno-use-init-array");
+}
+
+void VEToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+                                               ArgStringList &CC1Args) const {
+  // TODO upstream VE libc++ patches
+  llvm_unreachable("The VE target has no C++ stdlib for Clang yet");
+}
+
+void VEToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
+                                      ArgStringList &CmdArgs) const {
+  // TODO upstream VE libc++ patches
+  llvm_unreachable("The VE target has no C++ stdlib for Clang yet");
+}
+
+llvm::ExceptionHandling
+VEToolChain::GetExceptionModel(const ArgList &Args) const {
+  // VE uses SjLj exceptions.
+  return llvm::ExceptionHandling::SjLj;
+}