[PATCH] D12323: lld: make pe targets use the coff linker

[Martell Malone via llvm-commits]

martell created this revision.
martell added a reviewer: ruiu.
martell added subscribers: lld, llvm-commits.
martell added a project: lld.

http://reviews.llvm.org/D12323

Files:
  lib/Driver/UniversalDriver.cpp
  lib/Driver/UniversalDriverOptions.td

Index: lib/Driver/UniversalDriverOptions.td
===================================================================
--- lib/Driver/UniversalDriverOptions.td
+++ lib/Driver/UniversalDriverOptions.td
@@ -11,6 +11,10 @@
 def target: Separate<["-"], "target">,
      HelpText<"Select the target">;
 
+// Used to override gnu pe targets
+def m : Separate<["-"], "m">, MetaVarName<"<emulation>">,
+     HelpText<"Select target emulation">;
+
 def version: Flag<["-"], "version">,
      HelpText<"Display the version">;
 
Index: lib/Driver/UniversalDriver.cpp
===================================================================
--- lib/Driver/UniversalDriver.cpp
+++ lib/Driver/UniversalDriver.cpp
@@ -94,6 +94,19 @@
       .Default(Flavor::invalid);
 }
 
+static bool isPETarget(const llvm::opt::InputArgList &parsedArgs) {
+  llvm::opt::Arg *argMachine = parsedArgs.getLastArg(OPT_m);
+  if (!argMachine)
+    return false;
+  if (argMachine->containsValue("i386pe"))
+    return true;
+  if (argMachine->containsValue("i386pep"))
+    return true;
+  if (argMachine->containsValue("thumb2pe"))
+    return true;
+  return false;
+}
+
 static ProgramNameParts parseProgramName(StringRef programName) {
   SmallVector<StringRef, 3> components;
   llvm::SplitString(programName, components, "-");
@@ -195,6 +208,12 @@
     return true;
   }
 
+  //Override gnu for pe targets to use coff
+  if(isPETarget(parsedArgs)) {
+    coff::link(args);
+    return true;
+  }
+
   Flavor flavor = getFlavor(args, parsedArgs);
 
   // Switch to appropriate driver.


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