1 files changed, 114 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp b/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp
new file mode 100644
index 0000000000000..38996f90006e0
--- /dev/null
+++ b/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp
@@ -0,0 +1,114 @@
+//===-- MCTargetOptionsCommandFlags.cpp --------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains machine code-specific flags that are shared between
+// different command line tools.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/MCTargetOptionsCommandFlags.h"
+#include "llvm/MC/MCTargetOptions.h"
+#include "llvm/Support/CommandLine.h"
+
+using namespace llvm;
+
+#define MCOPT(TY, NAME)                                                        \
+  static cl::opt<TY> *NAME##View;                                              \
+  TY llvm::mc::get##NAME() {                                                   \
+    assert(NAME##View && "RegisterMCTargetOptionsFlags not created.");         \
+    return *NAME##View;                                                        \
+  }
+
+#define MCOPT_EXP(TY, NAME)                                                    \
+  MCOPT(TY, NAME)                                                              \
+  Optional<TY> llvm::mc::getExplicit##NAME() {                                 \
+    if (NAME##View->getNumOccurrences()) {                                     \
+      TY res = *NAME##View;                                                    \
+      return res;                                                              \
+    }                                                                          \
+    return None;                                                               \
+  }
+
+MCOPT_EXP(bool, RelaxAll)
+MCOPT(bool, IncrementalLinkerCompatible)
+MCOPT(int, DwarfVersion)
+MCOPT(bool, Dwarf64)
+MCOPT(bool, ShowMCInst)
+MCOPT(bool, FatalWarnings)
+MCOPT(bool, NoWarn)
+MCOPT(bool, NoDeprecatedWarn)
+MCOPT(std::string, ABIName)
+
+llvm::mc::RegisterMCTargetOptionsFlags::RegisterMCTargetOptionsFlags() {
+#define MCBINDOPT(NAME)                                                        \
+  do {                                                                         \
+    NAME##View = std::addressof(NAME);                                         \
+  } while (0)
+
+  static cl::opt<bool> RelaxAll(
+      "mc-relax-all", cl::desc("When used with filetype=obj, relax all fixups "
+                               "in the emitted object file"));
+  MCBINDOPT(RelaxAll);
+
+  static cl::opt<bool> IncrementalLinkerCompatible(
+      "incremental-linker-compatible",
+      cl::desc(
+          "When used with filetype=obj, "
+          "emit an object file which can be used with an incremental linker"));
+  MCBINDOPT(IncrementalLinkerCompatible);
+
+  static cl::opt<int> DwarfVersion("dwarf-version", cl::desc("Dwarf version"),
+                                   cl::init(0));
+  MCBINDOPT(DwarfVersion);
+
+  static cl::opt<bool> Dwarf64(
+      "dwarf64",
+      cl::desc("Generate debugging info in the 64-bit DWARF format"));
+  MCBINDOPT(Dwarf64);
+
+  static cl::opt<bool> ShowMCInst(
+      "asm-show-inst",
+      cl::desc("Emit internal instruction representation to assembly file"));
+  MCBINDOPT(ShowMCInst);
+
+  static cl::opt<bool> FatalWarnings("fatal-warnings",
+                                     cl::desc("Treat warnings as errors"));
+  MCBINDOPT(FatalWarnings);
+
+  static cl::opt<bool> NoWarn("no-warn", cl::desc("Suppress all warnings"));
+  static cl::alias NoWarnW("W", cl::desc("Alias for --no-warn"),
+                           cl::aliasopt(NoWarn));
+  MCBINDOPT(NoWarn);
+
+  static cl::opt<bool> NoDeprecatedWarn(
+      "no-deprecated-warn", cl::desc("Suppress all deprecated warnings"));
+  MCBINDOPT(NoDeprecatedWarn);
+
+  static cl::opt<std::string> ABIName(
+      "target-abi", cl::Hidden,
+      cl::desc("The name of the ABI to be targeted from the backend."),
+      cl::init(""));
+  MCBINDOPT(ABIName);
+
+#undef MCBINDOPT
+}
+
+MCTargetOptions llvm::mc::InitMCTargetOptionsFromFlags() {
+  MCTargetOptions Options;
+  Options.MCRelaxAll = getRelaxAll();
+  Options.MCIncrementalLinkerCompatible = getIncrementalLinkerCompatible();
+  Options.Dwarf64 = getDwarf64();
+  Options.DwarfVersion = getDwarfVersion();
+  Options.ShowMCInst = getShowMCInst();
+  Options.ABIName = getABIName();
+  Options.MCFatalWarnings = getFatalWarnings();
+  Options.MCNoWarn = getNoWarn();
+  Options.MCNoDeprecatedWarn = getNoDeprecatedWarn();
+  return Options;
+}