Driver: Add an explicit dsymutil action.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105474 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/Action.h b/include/clang/Driver/Action.h
index ab3162a..4b45c98 100644
--- a/include/clang/Driver/Action.h
+++ b/include/clang/Driver/Action.h
@@ -51,9 +51,10 @@
     AssembleJobClass,
     LinkJobClass,
     LipoJobClass,
+    DsymutilJobClass,
 
     JobClassFirst=PreprocessJobClass,
-    JobClassLast=LipoJobClass
+    JobClassLast=DsymutilJobClass
   };
 
   static const char *getClassName(ActionClass AC);
@@ -211,6 +212,16 @@
   static bool classof(const LipoJobAction *) { return true; }
 };
 
+class DsymutilJobAction : public JobAction {
+public:
+  DsymutilJobAction(ActionList &Inputs, types::ID Type);
+
+  static bool classof(const Action *A) {
+    return A->getKind() == DsymutilJobClass;
+  }
+  static bool classof(const DsymutilJobAction *) { return true; }
+};
+
 } // end namespace driver
 } // end namespace clang
 
diff --git a/lib/Driver/Action.cpp b/lib/Driver/Action.cpp
index b9a3306..f34971b 100644
--- a/lib/Driver/Action.cpp
+++ b/lib/Driver/Action.cpp
@@ -30,6 +30,7 @@
   case AssembleJobClass: return "assembler";
   case LinkJobClass: return "linker";
   case LipoJobClass: return "lipo";
+  case DsymutilJobClass: return "dsymutil";
   }
 
   assert(0 && "invalid class");
@@ -79,3 +80,7 @@
 LipoJobAction::LipoJobAction(ActionList &Inputs, types::ID Type)
   : JobAction(LipoJobClass, Inputs, Type) {
 }
+
+DsymutilJobAction::DsymutilJobAction(ActionList &Inputs, types::ID Type)
+  : JobAction(DsymutilJobClass, Inputs, Type) {
+}
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index abb55b0..92c7d79 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -225,6 +225,8 @@
       T = new tools::darwin::Link(*this); break;
     case Action::LipoJobClass:
       T = new tools::darwin::Lipo(*this); break;
+    case Action::DsymutilJobClass:
+      T = new tools::darwin::Dsymutil(*this); break;
     }
   }
 
@@ -740,6 +742,8 @@
       // driver is Darwin.
     case Action::LipoJobClass:
       T = new tools::darwin::Lipo(*this); break;
+    case Action::DsymutilJobClass:
+      T = new tools::darwin::Dsymutil(*this); break;
     }
   }
 
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 0d6cb30..518debc 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2603,6 +2603,26 @@
   Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
 }
 
+void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
+                                    Job &Dest, const InputInfo &Output,
+                                    const InputInfoList &Inputs,
+                                    const ArgList &Args,
+                                    const char *LinkingOutput) const {
+  ArgStringList CmdArgs;
+
+  assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
+  const InputInfo &Input = Inputs[0];
+  assert(Input.isFilename() && "Unexpected dsymutil input.");
+  CmdArgs.push_back(Input.getFilename());
+
+  CmdArgs.push_back("-o");
+  CmdArgs.push_back(Output.getFilename());
+
+  const char *Exec =
+    Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil"));
+  Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
+}
+
 void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
                                       Job &Dest, const InputInfo &Output,
                                       const InputInfoList &Inputs,
diff --git a/lib/Driver/Tools.h b/lib/Driver/Tools.h
index d5e98dd..606007d 100644
--- a/lib/Driver/Tools.h
+++ b/lib/Driver/Tools.h
@@ -288,6 +288,23 @@
                               const ArgList &TCArgs,
                               const char *LinkingOutput) const;
   };
+
+  class LLVM_LIBRARY_VISIBILITY Dsymutil : public DarwinTool  {
+  public:
+    Dsymutil(const ToolChain &TC) : DarwinTool("darwin::Dsymutil",
+                                               "dsymutil", TC) {}
+
+    virtual bool acceptsPipedInput() const { return false; }
+    virtual bool canPipeOutput() const { return false; }
+    virtual bool hasIntegratedCPP() const { return false; }
+
+    virtual void ConstructJob(Compilation &C, const JobAction &JA,
+                              Job &Dest,
+                              const InputInfo &Output,
+                              const InputInfoList &Inputs,
+                              const ArgList &TCArgs,
+                              const char *LinkingOutput) const;
+  };
 }
 
   /// openbsd -- Directly call GNU Binutils assembler and linker