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Toolchain: Build Clang with RISC-V support
This commit is contained in:
kleines Filmröllchen
Daniel Bertalan
parent
e21af23754
commit
0b91d36a1e
Notes:
sideshowbarker
2024-07-17 06:35:23 +09:00
Author: https://github.com/kleinesfilmroellchen Commit: https://github.com/SerenityOS/serenity/commit/0b91d36a1e Pull-request: https://github.com/SerenityOS/serenity/pull/20482 Reviewed-by: https://github.com/BertalanD ✅
6 changed files with 28 additions and 14 deletions
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@ -15,7 +15,7 @@ echo "$DIR"
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PREFIX="$DIR/Local/clang/"
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BUILD="$DIR/../Build/"
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USERLAND_ARCHS="x86_64"
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ARCHS="$USERLAND_ARCHS aarch64"
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ARCHS="$USERLAND_ARCHS aarch64 riscv64"
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MD5SUM="md5sum"
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REALPATH="realpath"
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@ -296,6 +296,7 @@ pushd "$DIR/Build/clang"
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-G Ninja \
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-DSERENITY_x86_64-pc-serenity_SYSROOT="$BUILD/x86_64clang/Root" \
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-DSERENITY_aarch64-pc-serenity_SYSROOT="$BUILD/aarch64clang/Root" \
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-DSERENITY_riscv64-pc-serenity_SYSROOT="$BUILD/riscv64clang/Root" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DSERENITY_MODULE_PATH="$DIR/CMake" \
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-C "$DIR/CMake/LLVMConfig.cmake" \
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@ -6,7 +6,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${SERENITY_MODULE_PATH}" CACHE STRIN
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set(CMAKE_BUILD_TYPE Release CACHE STRING "")
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set(LLVM_TARGETS_TO_BUILD "X86;AArch64" CACHE STRING "")
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set(LLVM_TARGETS_TO_BUILD "X86;AArch64;RISCV" CACHE STRING "")
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set(LLVM_ENABLE_PROJECTS "llvm;clang;lld;clang-tools-extra" CACHE STRING "")
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set(LLVM_ENABLE_RUNTIMES "compiler-rt" CACHE STRING "")
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@ -25,7 +25,7 @@ set(LLVM_INSTALL_BINUTILS_SYMLINKS OFF CACHE BOOL "")
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set(CLANG_ENABLE_CLANGD OFF CACHE BOOL "")
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set(compiler_flags "-nostdlib -nostdlib++")
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foreach(target x86_64-pc-serenity;aarch64-pc-serenity)
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foreach(target x86_64-pc-serenity;aarch64-pc-serenity;riscv64-pc-serenity)
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list(APPEND targets "${target}")
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set(RUNTIMES_${target}_CMAKE_BUILD_TYPE Release CACHE STRING "")
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@ -2,25 +2,30 @@ From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Bertalan <dani@danielbertalan.dev>
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Date: Thu, 14 Apr 2022 10:09:50 +0200
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Subject: [PATCH] [Driver] Add support for SerenityOS
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Adds support for the `$arch-pc-serenity` target to the Clang front end.
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This makes the compiler look for libraries and headers in the right
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places, and enables some security mitigations like stack-smashing
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protection and position-independent code by default.
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Co-authored-by: kleines Filmröllchen <filmroellchen@serenityos.org>
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---
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clang/lib/Basic/Targets.cpp | 6 +
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clang/lib/Basic/Targets.cpp | 8 +
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clang/lib/Basic/Targets/OSTargets.h | 18 ++
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clang/lib/Driver/CMakeLists.txt | 1 +
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clang/lib/Driver/Driver.cpp | 4 +
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clang/lib/Driver/ToolChain.cpp | 2 +
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clang/lib/Driver/ToolChains/Serenity.cpp | 336 +++++++++++++++++++++++
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clang/lib/Driver/ToolChains/Serenity.h | 100 +++++++
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7 files changed, 467 insertions(+)
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7 files changed, 469 insertions(+)
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create mode 100644 clang/lib/Driver/ToolChains/Serenity.cpp
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create mode 100644 clang/lib/Driver/ToolChains/Serenity.h
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diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
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index 8400774db..f105bed29 100644
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index 8400774db..f82618dc8 100644
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--- a/clang/lib/Basic/Targets.cpp
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+++ b/clang/lib/Basic/Targets.cpp
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@@ -153,6 +153,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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@ -32,7 +37,16 @@ index 8400774db..f105bed29 100644
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case llvm::Triple::Win32:
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switch (Triple.getEnvironment()) {
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case llvm::Triple::GNU:
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@@ -542,6 +544,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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@@ -424,6 +426,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
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case llvm::Triple::Linux:
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return new LinuxTargetInfo<RISCV64TargetInfo>(Triple, Opts);
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+ case llvm::Triple::Serenity:
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+ return new SerenityTargetInfo<RISCV64TargetInfo>(Triple, Opts);
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default:
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return new RISCV64TargetInfo(Triple, Opts);
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}
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@@ -542,6 +546,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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return new MCUX86_32TargetInfo(Triple, Opts);
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case llvm::Triple::Hurd:
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return new HurdTargetInfo<X86_32TargetInfo>(Triple, Opts);
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@ -41,7 +55,7 @@ index 8400774db..f105bed29 100644
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default:
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return new X86_32TargetInfo(Triple, Opts);
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}
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@@ -596,6 +600,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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@@ -596,6 +602,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
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return new PS4OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
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case llvm::Triple::PS5:
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return new PS5OSTargetInfo<X86_64TargetInfo>(Triple, Opts);
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@ -1,8 +1,7 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Bertalan <dani@danielbertalan.dev>
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Date: Thu, 14 Apr 2022 10:12:54 +0200
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Subject: [PATCH] [Driver] Default to -ftls-model=initial-exec on
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SerenityOS
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Subject: [PATCH] [Driver] Default to -ftls-model=initial-exec on SerenityOS
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This is a hack to make Clang use the initial-exec TLS model instead of
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the default local-exec when building code for Serenity.
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@ -13,7 +12,7 @@ This patch should be removed when we implement proper TLS support.
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
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index ec6860113..c5c07e5ee 100644
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index 77554aa2c..84eebee36 100644
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--- a/clang/lib/Driver/ToolChains/Clang.cpp
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+++ b/clang/lib/Driver/ToolChains/Clang.cpp
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@@ -6100,7 +6100,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
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@ -36,7 +36,7 @@ index a12aa1de1..075ebbe81 100644
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__support/solaris/wchar.h
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__support/solaris/xlocale.h
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diff --git a/libcxx/include/__config b/libcxx/include/__config
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index 5e30a4217..5dea34814 100644
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index 108153883..e4434809c 100644
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--- a/libcxx/include/__config
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+++ b/libcxx/include/__config
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@@ -930,7 +930,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
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@ -1,8 +1,8 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Bertalan <dani@danielbertalan.dev>
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Date: Mon, 18 Apr 2022 22:32:29 +0200
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Subject: [PATCH] [cmake] Support building shared libLLVM and libClang
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for SerenityOS
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Subject: [PATCH] [cmake] Support building shared libLLVM and libClang for
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SerenityOS
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This patch tells CMake that the --whole-archive linker option should be
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used for specifying the archives whose members will constitute these
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