llvm: add llvm-dlltool support to the archiver

A PE COFF spec compliant import library generator.
Intended to be used with mingw-w64.

Supports:
PE COFF spec (section 8, Import Library Format)
PE COFF spec (Aux Format 3: Weak Externals)

Reviewed By: ruiu
Differential Revision: https://reviews.llvm.org/D29892

This reapplies rL308329, which was reverted in rL308374

llvm-svn: 308379

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/lib/ToolDrivers/llvm-dlltool/Options.td b/llvm/lib/ToolDrivers/llvm-dlltool/Options.td
new file mode 100644
index 00000000000..213c6a4d767
--- /dev/null
+++ b/llvm/lib/ToolDrivers/llvm-dlltool/Options.td
@@ -0,0 +1,26 @@
+include "llvm/Option/OptParser.td"
+
+def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target machine">;
+def m_long : JoinedOrSeparate<["--"], "machine">, Alias<m>;
+
+def l: JoinedOrSeparate<["-"], "l">, HelpText<"Generate an import lib">;
+def l_long : JoinedOrSeparate<["--"], "output-lib">, Alias<l>;
+
+def D: JoinedOrSeparate<["-"], "D">, HelpText<"Specify the input DLL Name">;
+def D_long : JoinedOrSeparate<["--"], "dllname">, Alias<D>;
+
+def d: JoinedOrSeparate<["-"], "d">, HelpText<"Input .def File">;
+def d_long : JoinedOrSeparate<["--"], "input-def">, Alias<d>;
+
+//==============================================================================
+// The flags below do nothing. They are defined only for dlltool compatibility.
+//==============================================================================
+
+def k: Flag<["-"], "k">, HelpText<"Kill @n Symbol from export">;
+def k_alias: Flag<["--"], "kill-at">, Alias<k>;
+
+def S: JoinedOrSeparate<["-"], "S">, HelpText<"Assembler">;
+def S_alias: JoinedOrSeparate<["--"], "as">, Alias<S>;
+
+def f: JoinedOrSeparate<["-"], "f">, HelpText<"Assembler Flags">;
+def f_alias: JoinedOrSeparate<["--"], "as-flags">, Alias<f>;