Clang toolchain driver for PNaCl

lib/Basic/Targets.cpp

 //===--- Targets.cpp - Implement -arch option and targets -----------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements construction of a TargetInfo object from a
 // target triple.
 //
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Builtins.h"
 #include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/MacroBuilder.h"
 #include "clang/Basic/TargetBuiltins.h"
 #include "clang/Basic/TargetOptions.h"
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/MC/MCSectionMachO.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h" // @LOCALMOD
 #include <algorithm>
 #include <memory>
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
 //  Common code shared among targets.
 //===----------------------------------------------------------------------===//
 
 /// DefineStd - Define a macro name and standard variants.  For example if
 /// MacroName is "unix", then this will define "__unix", "__unix__", and "unix"
@@ skipping 6443 matching lines @@
   Names = nullptr;
   NumNames = 0;
 }
 
 void PNaClTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
                                        unsigned &NumAliases) const {
   Aliases = nullptr;
   NumAliases = 0;
 }
 
+namespace {
+llvm::Target PNaClTarget;
+llvm::RegisterTarget<llvm::Triple::le32, /*HasJIT=*/false> P(
+    PNaClTarget, "le32", "PNaCl");
+} // end anonymous namespace.
+
 // We attempt to use PNaCl (le32) frontend and Mips32EL backend.
 class NaClMips32ELTargetInfo : public Mips32ELTargetInfo {
 public:
   NaClMips32ELTargetInfo(const llvm::Triple &Triple) :
     Mips32ELTargetInfo(Triple) {
   }
 
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::PNaClABIBuiltinVaList;
   }
@@ skipping 681 matching lines @@
   if (!Target->handleTargetFeatures(Opts->Features, Diags))
     return nullptr;
 
   // @LOCALMOD-START
   if (!Target->handleLLVMArgs(Opts->LLVMArgs))
     return nullptr;
   // @LOCALMOD-END
 
   return Target.release();
 }