[PATCH] D131594: WORK IN PROGRESS Add Clang UEFI target to support "x86_64-unknown-uefi" triple

[Prabhu Karthikeyan Rajasekaran via Phabricator via cfe-commits]

Prabhuk updated this revision to Diff 468370.
Prabhuk added a comment.
Herald added a subscriber: MaskRay.

Added changes to the Driver.cpp.
This version uses underlying MSVC toolchain to compile UEFI target introduced here.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131594/new/

https://reviews.llvm.org/D131594

Files:
  clang/lib/Basic/Targets.cpp
  clang/lib/Driver/Driver.cpp
  llvm/include/llvm/ADT/Triple.h
  llvm/lib/Support/Triple.cpp


Index: llvm/lib/Support/Triple.cpp
===================================================================
--- llvm/lib/Support/Triple.cpp
+++ llvm/lib/Support/Triple.cpp
@@ -235,6 +235,7 @@
   case RTEMS: return "rtems";
   case Solaris: return "solaris";
   case TvOS: return "tvos";
+  case UEFI: return "uefi";
   case WASI: return "wasi";
   case WatchOS: return "watchos";
   case Win32: return "windows";
@@ -562,6 +563,7 @@
     .StartsWith("netbsd", Triple::NetBSD)
     .StartsWith("openbsd", Triple::OpenBSD)
     .StartsWith("solaris", Triple::Solaris)
+    .StartsWith("uefi", Triple::UEFI)
     .StartsWith("win32", Triple::Win32)
     .StartsWith("windows", Triple::Win32)
     .StartsWith("zos", Triple::ZOS)
Index: llvm/include/llvm/ADT/Triple.h
===================================================================
--- llvm/include/llvm/ADT/Triple.h
+++ llvm/include/llvm/ADT/Triple.h
@@ -195,6 +195,7 @@
     NetBSD,
     OpenBSD,
     Solaris,
+    UEFI,
     Win32,
     ZOS,
     Haiku,
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -6019,6 +6019,9 @@
     case llvm::Triple::Mesa3D:
       TC = std::make_unique<toolchains::AMDGPUToolChain>(*this, Target, Args);
       break;
+    case llvm::Triple::UEFI:
+      TC = std::make_unique<toolchains::MSVCToolChain>(*this, Target, Args); ////TODO(prabhukr): Replace with a new UEFI toolchain
+      break;
     case llvm::Triple::Win32:
       switch (Target.getEnvironment()) {
       default:
Index: clang/lib/Basic/Targets.cpp
===================================================================
--- clang/lib/Basic/Targets.cpp
+++ clang/lib/Basic/Targets.cpp
@@ -575,6 +575,9 @@
       return new KFreeBSDTargetInfo<X86_64TargetInfo>(Triple, Opts);
     case llvm::Triple::Solaris:
       return new SolarisTargetInfo<X86_64TargetInfo>(Triple, Opts);
+    case llvm::Triple::UEFI:
+       //TODO(prabhukr): UEFITargetInfo need to be introduced
+      return new MicrosoftX86_64TargetInfo(Triple, Opts);
     case llvm::Triple::Win32: {
       switch (Triple.getEnvironment()) {
       case llvm::Triple::Cygnus:


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