[PATCH] D34706: [COFF, ARM64] Add support for Windows ARM64 COFF format

[Mandeep Singh Grang via Phabricator via cfe-commits]

mgrang created this revision.
Herald added subscribers: kristof.beyls, aemerson.

This is the clang part of the initial implementation to support Windows ARM64 
COFF format.


https://reviews.llvm.org/D34706

Files:
  lib/Basic/Targets.cpp
  test/Preprocessor/predefined-macros.c


Index: test/Preprocessor/predefined-macros.c
===================================================================
--- test/Preprocessor/predefined-macros.c
+++ test/Preprocessor/predefined-macros.c
@@ -185,3 +185,9 @@
 // CHECK-CL20-NOT: #define __FAST_RELAXED_MATH__ 1
 // CHECK-FRM: #define __FAST_RELAXED_MATH__ 1
 
+// RUN: %clang_cc1 -triple aarch64-windows %s -E -dM -o - -x cl \
+// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-ARM64-WIN
+
+// CHECK-ARM64-WIN: #define _M_ARM64 1
+// CHECK-ARM64-WIN: #define _WIN32 1
+// CHECK-ARM64-WIN: #define _WIN64 1
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -6550,6 +6550,43 @@
   }
 };
 
+class MicrosoftARM64leTargetInfo
+    : public WindowsTargetInfo<AArch64leTargetInfo> {
+  const llvm::Triple Triple;
+
+public:
+  MicrosoftARM64leTargetInfo(const llvm::Triple &Triple,
+                             const TargetOptions &Opts)
+      : WindowsTargetInfo<AArch64leTargetInfo>(Triple, Opts), Triple(Triple) {
+    WCharType = UnsignedShort;
+    SizeType = UnsignedLongLong;
+    TheCXXABI.set(TargetCXXABI::Microsoft);
+  }
+
+  void setDataLayout() override {
+    resetDataLayout("e-m:w-i64:64-i128:128-n32:64-S128");
+  }
+
+  void getVisualStudioDefines(const LangOptions &Opts,
+                              MacroBuilder &Builder) const {
+    WindowsTargetInfo<AArch64leTargetInfo>::getVisualStudioDefines(Opts,
+                                                                   Builder);
+    Builder.defineMacro("_WIN32", "1");
+    Builder.defineMacro("_WIN64", "1");
+    Builder.defineMacro("_M_ARM64", "1");
+  }
+
+  void getTargetDefines(const LangOptions &Opts,
+                        MacroBuilder &Builder) const override {
+    WindowsTargetInfo::getTargetDefines(Opts, Builder);
+    getVisualStudioDefines(Opts, Builder);
+  }
+
+  BuiltinVaListKind getBuiltinVaListKind() const override {
+    return TargetInfo::CharPtrBuiltinVaList;
+  }
+};
+
 class AArch64beTargetInfo : public AArch64TargetInfo {
   void setDataLayout() override {
     assert(!getTriple().isOSBinFormatMachO());
@@ -9264,6 +9301,8 @@
       return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
     case llvm::Triple::OpenBSD:
       return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+       case llvm::Triple::Win32:
+         return new MicrosoftARM64leTargetInfo(Triple, Opts);
     default:
       return new AArch64leTargetInfo(Triple, Opts);
     }



Index: test/Preprocessor/predefined-macros.c
===================================================================
--- test/Preprocessor/predefined-macros.c
+++ test/Preprocessor/predefined-macros.c
@@ -185,3 +185,9 @@
 // CHECK-CL20-NOT: #define __FAST_RELAXED_MATH__ 1
 // CHECK-FRM: #define __FAST_RELAXED_MATH__ 1
 
+// RUN: %clang_cc1 -triple aarch64-windows %s -E -dM -o - -x cl \
+// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-ARM64-WIN
+
+// CHECK-ARM64-WIN: #define _M_ARM64 1
+// CHECK-ARM64-WIN: #define _WIN32 1
+// CHECK-ARM64-WIN: #define _WIN64 1
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -6550,6 +6550,43 @@
   }
 };
 
+class MicrosoftARM64leTargetInfo
+    : public WindowsTargetInfo<AArch64leTargetInfo> {
+  const llvm::Triple Triple;
+
+public:
+  MicrosoftARM64leTargetInfo(const llvm::Triple &Triple,
+                             const TargetOptions &Opts)
+      : WindowsTargetInfo<AArch64leTargetInfo>(Triple, Opts), Triple(Triple) {
+    WCharType = UnsignedShort;
+    SizeType = UnsignedLongLong;
+    TheCXXABI.set(TargetCXXABI::Microsoft);
+  }
+
+  void setDataLayout() override {
+    resetDataLayout("e-m:w-i64:64-i128:128-n32:64-S128");
+  }
+
+  void getVisualStudioDefines(const LangOptions &Opts,
+                              MacroBuilder &Builder) const {
+    WindowsTargetInfo<AArch64leTargetInfo>::getVisualStudioDefines(Opts,
+                                                                   Builder);
+    Builder.defineMacro("_WIN32", "1");
+    Builder.defineMacro("_WIN64", "1");
+    Builder.defineMacro("_M_ARM64", "1");
+  }
+
+  void getTargetDefines(const LangOptions &Opts,
+                        MacroBuilder &Builder) const override {
+    WindowsTargetInfo::getTargetDefines(Opts, Builder);
+    getVisualStudioDefines(Opts, Builder);
+  }
+
+  BuiltinVaListKind getBuiltinVaListKind() const override {
+    return TargetInfo::CharPtrBuiltinVaList;
+  }
+};
+
 class AArch64beTargetInfo : public AArch64TargetInfo {
   void setDataLayout() override {
     assert(!getTriple().isOSBinFormatMachO());
@@ -9264,6 +9301,8 @@
       return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
     case llvm::Triple::OpenBSD:
       return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+	case llvm::Triple::Win32:
+	  return new MicrosoftARM64leTargetInfo(Triple, Opts);
     default:
       return new AArch64leTargetInfo(Triple, Opts);
     }

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