https://github.com/RossComputerGuy updated
https://github.com/llvm/llvm-project/pull/120632
>From 2ee88359c3be20f3b6697bf75466fa44e7b10ab5 Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.r...@midstall.com>
Date: Thu, 19 Dec 2024 10:54:58 -0800
Subject: [PATCH 1/4] [clang] fix uefi data layout on x86 & aarch64
---
clang/lib/Basic/Targets/AArch64.cpp | 3 +++
clang/lib/Basic/Targets/X86.h | 4 ++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/clang/lib/Basic/Targets/AArch64.cpp
b/clang/lib/Basic/Targets/AArch64.cpp
index 53e102bbe44687..dd5d033afd8763 100644
--- a/clang/lib/Basic/Targets/AArch64.cpp
+++ b/clang/lib/Basic/Targets/AArch64.cpp
@@ -1537,6 +1537,9 @@ void AArch64leTargetInfo::setDataLayout() {
resetDataLayout("e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-"
"n32:64-S128-Fn32",
"_");
+ } else if (getTriple().isUEFI() && getTriple().isOSBinFormatCOFF()) {
+ resetDataLayout("e-m:w-p270:32:32-p271:32:32-p272:64:64-p:64:64-i32:32-"
+ "i64:64-i128:128-n32:64-S128-Fn32");
} else
resetDataLayout("e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-"
"i64:64-i128:128-n32:64-S128-Fn32");
diff --git a/clang/lib/Basic/Targets/X86.h b/clang/lib/Basic/Targets/X86.h
index 3ed36c8fa724b5..1d6fe468af3be1 100644
--- a/clang/lib/Basic/Targets/X86.h
+++ b/clang/lib/Basic/Targets/X86.h
@@ -713,8 +713,8 @@ class LLVM_LIBRARY_VISIBILITY X86_64TargetInfo : public
X86TargetInfo {
X86_64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: X86TargetInfo(Triple, Opts) {
const bool IsX32 = getTriple().isX32();
- bool IsWinCOFF =
- getTriple().isOSWindows() && getTriple().isOSBinFormatCOFF();
+ bool IsWinCOFF = (getTriple().isOSWindows() || getTriple().isUEFI()) &&
+ getTriple().isOSBinFormatCOFF();
LongWidth = LongAlign = PointerWidth = PointerAlign = IsX32 ? 32 : 64;
LongDoubleWidth = 128;
LongDoubleAlign = 128;
>From 71eb5ea788558ce31984715edc14106c44fe7a8c Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.r...@midstall.com>
Date: Thu, 19 Dec 2024 08:37:46 -0800
Subject: [PATCH 2/4] [clang] add __uefi__ define
---
clang/lib/Basic/Targets/OSTargets.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Basic/Targets/OSTargets.h
b/clang/lib/Basic/Targets/OSTargets.h
index cd9b3760ca5874..24ffd542d664c7 100644
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -790,7 +790,9 @@ template <typename Target>
class LLVM_LIBRARY_VISIBILITY UEFITargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
- MacroBuilder &Builder) const override {}
+ MacroBuilder &Builder) const override {
+ DefineStd(Builder, "uefi", Opts);
+ }
public:
UEFITargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
>From a9fb7e7b26ef375a2a8e2e920f5fcd696d5cf4fc Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.r...@midstall.com>
Date: Thu, 19 Dec 2024 13:40:50 -0800
Subject: [PATCH 3/4] [clang] add __uefi__ test for aarch64 & x86_64
---
clang/test/Preprocessor/init.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c
index 05225c120b13de..e0693df72180d9 100644
--- a/clang/test/Preprocessor/init.c
+++ b/clang/test/Preprocessor/init.c
@@ -2742,3 +2742,11 @@
// RISCV64-LINUX: #define __unix__ 1
// RISCV64-LINUX: #define linux 1
// RISCV64-LINUX: #define unix 1
+//
+// RUN: %clang_cc1 -dM -triple=aarch64-unknown-uefi -E /dev/null | FileCheck
-match-full-lines -check-prefix uefi %s
+//
+// AARCH64-UEFI: #define __uefi__ 1
+//
+// RUN: %clang_cc1 -dM -triple=x86_64-unknown-uefi -E /dev/null | FileCheck
-match-full-lines -check-prefix uefi %s
+//
+// X86-64-UEFI: #define __uefi__ 1
>From 905d34693b2f0aebd2a54e6e3b82dc81c22b7210 Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.r...@midstall.com>
Date: Thu, 19 Dec 2024 13:51:08 -0800
Subject: [PATCH 4/4] [clang] add missing uefi support to aarch64
---
clang/lib/Basic/Targets.cpp | 3 +++
clang/lib/Basic/Targets/AArch64.cpp | 12 ++++++++++++
clang/lib/Basic/Targets/AArch64.h | 10 ++++++++++
3 files changed, 25 insertions(+)
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 706a391023b3a3..d1aacafe704dd7 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -165,6 +165,9 @@ std::unique_ptr<TargetInfo> AllocateTarget(const
llvm::Triple &Triple,
case llvm::Triple::OpenBSD:
return std::make_unique<OpenBSDTargetInfo<AArch64leTargetInfo>>(Triple,
Opts);
+ case llvm::Triple::UEFI:
+ return std::make_unique<UEFIAArch64TargetInfo>(Triple, Opts);
+
case llvm::Triple::Win32:
switch (Triple.getEnvironment()) {
case llvm::Triple::GNU:
diff --git a/clang/lib/Basic/Targets/AArch64.cpp
b/clang/lib/Basic/Targets/AArch64.cpp
index dd5d033afd8763..94d99c0bb38f74 100644
--- a/clang/lib/Basic/Targets/AArch64.cpp
+++ b/clang/lib/Basic/Targets/AArch64.cpp
@@ -1721,3 +1721,15 @@ TargetInfo::BuiltinVaListKind
DarwinAArch64TargetInfo::getBuiltinVaListKind() const {
return TargetInfo::CharPtrBuiltinVaList;
}
+
+UEFIAArch64TargetInfo::UEFIAArch64TargetInfo(const llvm::Triple &Triple,
+ const TargetOptions &Opts)
+ : UEFITargetInfo<AArch64leTargetInfo>(Triple, Opts) {
+ TheCXXABI.set(TargetCXXABI::Microsoft);
+}
+
+void UEFIAArch64TargetInfo::setDataLayout() {
+ assert(!getTriple().isOSBinFormatCOFF());
+ resetDataLayout("e-m:w-p270:32:32-p271:32:32-p272:64:64-p:64:64-i32:32-"
+ "i64:64-i128:128-n32:64-S128-Fn32");
+}
diff --git a/clang/lib/Basic/Targets/AArch64.h
b/clang/lib/Basic/Targets/AArch64.h
index 68a8b1ebad8cde..fc5d5b27aa0068 100644
--- a/clang/lib/Basic/Targets/AArch64.h
+++ b/clang/lib/Basic/Targets/AArch64.h
@@ -318,6 +318,16 @@ class LLVM_LIBRARY_VISIBILITY DarwinAArch64TargetInfo
MacroBuilder &Builder) const override;
};
+class LLVM_LIBRARY_VISIBILITY UEFIAArch64TargetInfo
+ : public UEFITargetInfo<AArch64leTargetInfo> {
+ const llvm::Triple Triple;
+public:
+ UEFIAArch64TargetInfo(const llvm::Triple &Triple,
+ const TargetOptions &Opts);
+
+ void setDataLayout() override;
+};
+
} // namespace targets
} // namespace clang
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