https://github.com/hitmoon updated
https://github.com/llvm/llvm-project/pull/119191
>From 975aed84a6a474877a40ce077bfeb228eecf067a Mon Sep 17 00:00:00 2001
From: xiaoqiang zhao <zxq_yx_...@163.com>
Date: Mon, 9 Dec 2024 14:26:37 +0800
Subject: [PATCH] [LoongArch] Add FreeBSD targets
Co-authored-by: yu shan wei <mp...@vip.163.com>
Signed-off-by: xiaoqiang zhao <zxq_yx_...@163.com>
---
clang/lib/Basic/Targets.cpp | 6 ++++++
clang/lib/Basic/Targets/OSTargets.h | 3 +++
clang/lib/Driver/ToolChains/FreeBSD.cpp | 14 ++++++++++++++
clang/test/Driver/freebsd.c | 15 +++++++++++++++
4 files changed, 38 insertions(+)
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 0021d33c45d7c9..706a391023b3a3 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -726,6 +726,9 @@ std::unique_ptr<TargetInfo> AllocateTarget(const
llvm::Triple &Triple,
case llvm::Triple::Linux:
return std::make_unique<LinuxTargetInfo<LoongArch32TargetInfo>>(Triple,
Opts);
+ case llvm::Triple::FreeBSD:
+ return std::make_unique<FreeBSDTargetInfo<LoongArch32TargetInfo>>(Triple,
+ Opts);
default:
return std::make_unique<LoongArch32TargetInfo>(Triple, Opts);
}
@@ -734,6 +737,9 @@ std::unique_ptr<TargetInfo> AllocateTarget(const
llvm::Triple &Triple,
case llvm::Triple::Linux:
return std::make_unique<LinuxTargetInfo<LoongArch64TargetInfo>>(Triple,
Opts);
+ case llvm::Triple::FreeBSD:
+ return std::make_unique<FreeBSDTargetInfo<LoongArch64TargetInfo>>(Triple,
+ Opts);
default:
return std::make_unique<LoongArch64TargetInfo>(Triple, Opts);
}
diff --git a/clang/lib/Basic/Targets/OSTargets.h
b/clang/lib/Basic/Targets/OSTargets.h
index c0351f26e9bee6..cd9b3760ca5874 100644
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -231,6 +231,9 @@ class LLVM_LIBRARY_VISIBILITY FreeBSDTargetInfo : public
OSTargetInfo<Target> {
case llvm::Triple::riscv32:
case llvm::Triple::riscv64:
break;
+ case llvm::Triple::loongarch32:
+ case llvm::Triple::loongarch64:
+ break;
}
}
};
diff --git a/clang/lib/Driver/ToolChains/FreeBSD.cpp
b/clang/lib/Driver/ToolChains/FreeBSD.cpp
index 3d744bc087f467..be44fc4fe1a84d 100644
--- a/clang/lib/Driver/ToolChains/FreeBSD.cpp
+++ b/clang/lib/Driver/ToolChains/FreeBSD.cpp
@@ -213,6 +213,14 @@ void freebsd::Linker::ConstructJob(Compilation &C, const
JobAction &JA,
CmdArgs.push_back("-m");
CmdArgs.push_back("elf64lriscv");
break;
+ case llvm::Triple::loongarch32:
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf32loongarch");
+ break;
+ case llvm::Triple::loongarch64:
+ CmdArgs.push_back("-m");
+ CmdArgs.push_back("elf64loongarch");
+ break;
default:
break;
}
@@ -223,6 +231,12 @@ void freebsd::Linker::ConstructJob(Compilation &C, const
JobAction &JA,
CmdArgs.push_back("--no-relax");
}
+ if (Triple.isLoongArch64()) {
+ CmdArgs.push_back("-X");
+ if (Args.hasArg(options::OPT_mno_relax))
+ CmdArgs.push_back("--no-relax");
+ }
+
if (Arg *A = Args.getLastArg(options::OPT_G)) {
if (ToolChain.getTriple().isMIPS()) {
StringRef v = A->getValue();
diff --git a/clang/test/Driver/freebsd.c b/clang/test/Driver/freebsd.c
index 10fe155fee8744..a0787bab4feb8f 100644
--- a/clang/test/Driver/freebsd.c
+++ b/clang/test/Driver/freebsd.c
@@ -77,6 +77,21 @@
// RUN: | FileCheck --check-prefix=CHECK-RV64I-LD %s
// CHECK-RV64I-LD: ld{{.*}}" {{.*}} "-m" "elf64lriscv"
//
+// Check that LoongArch passes the correct linker emulation.
+//
+// RUN: %clang --target=loongarch32-freebsd -### %s %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-LA32-LD %s
+// CHECK-LA32-LD: ld{{.*}}" {{.*}} "-m" "elf32loongarch"
+// RUN: %clang --target=loongarch64-freebsd -### %s %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-LA64-LD %s
+// CHECK-LA64-LD: ld{{.*}}" {{.*}} "-m" "elf64loongarch"
+//
+// Check options passed to the linker on LoongArch
+//
+// RUN: %clang --target=loongarch64-freebsd -mno-relax -### %s %s 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-LA64-LD-OPTS %s
+// CHECK-LA64-LD-OPTS: ld{{.*}}" {{.*}} "-X" "--no-relax"
+//
// Check that the new linker flags are passed to FreeBSD
// RUN: %clang --target=x86_64-pc-freebsd10.0 -m32 %s \
// RUN: --sysroot=%S/Inputs/multiarch_freebsd64_tree -### 2>&1 \
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