1 files changed, 109 insertions, 0 deletions
diff --git a/clang/lib/Driver/ToolChains/Minix.cpp b/clang/lib/Driver/ToolChains/Minix.cpp
new file mode 100644
index 000000000000..6947049ea52e
--- /dev/null
+++ b/clang/lib/Driver/ToolChains/Minix.cpp
@@ -0,0 +1,109 @@
+//===--- Minix.cpp - Minix 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 "Minix.h"
+#include "CommonArgs.h"
+#include "InputInfo.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/VirtualFileSystem.h"
+
+using namespace clang::driver;
+using namespace clang;
+using namespace llvm::opt;
+
+void tools::minix::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
+                                           const InputInfo &Output,
+                                           const InputInfoList &Inputs,
+                                           const ArgList &Args,
+                                           const char *LinkingOutput) const {
+  claimNoWarnArgs(Args);
+  ArgStringList CmdArgs;
+
+  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
+
+  CmdArgs.push_back("-o");
+  CmdArgs.push_back(Output.getFilename());
+
+  for (const auto &II : Inputs)
+    CmdArgs.push_back(II.getFilename());
+
+  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
+  C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
+}
+
+void tools::minix::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+                                 const InputInfo &Output,
+                                 const InputInfoList &Inputs,
+                                 const ArgList &Args,
+                                 const char *LinkingOutput) const {
+  const Driver &D = getToolChain().getDriver();
+  ArgStringList CmdArgs;
+
+  if (Output.isFilename()) {
+    CmdArgs.push_back("-o");
+    CmdArgs.push_back(Output.getFilename());
+  } else {
+    assert(Output.isNothing() && "Invalid output.");
+  }
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
+    CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
+    CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
+    CmdArgs.push_back(
+        Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
+    CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
+  }
+
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_L, options::OPT_T_Group, options::OPT_e});
+
+  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
+
+  getToolChain().addProfileRTLibs(Args, CmdArgs);
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
+    if (D.CCCIsCXX()) {
+      if (getToolChain().ShouldLinkCXXStdlib(Args))
+        getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+      CmdArgs.push_back("-lm");
+    }
+  }
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
+    if (Args.hasArg(options::OPT_pthread))
+      CmdArgs.push_back("-lpthread");
+    CmdArgs.push_back("-lc");
+    CmdArgs.push_back("-lCompilerRT-Generic");
+    CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
+    CmdArgs.push_back(
+        Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
+  }
+
+  const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
+  C.addCommand(std::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
+}
+
+/// Minix - Minix tool chain which can call as(1) and ld(1) directly.
+
+toolchains::Minix::Minix(const Driver &D, const llvm::Triple &Triple,
+                         const ArgList &Args)
+    : Generic_ELF(D, Triple, Args) {
+  getFilePaths().push_back(getDriver().Dir + "/../lib");
+  getFilePaths().push_back("/usr/lib");
+}
+
+Tool *toolchains::Minix::buildAssembler() const {
+  return new tools::minix::Assembler(*this);
+}
+
+Tool *toolchains::Minix::buildLinker() const {
+  return new tools::minix::Linker(*this);
+}