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+# 当前脚本用于初始化自定义的Rust工具链
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+if [ -z "$(which cargo)" ]; then
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+ echo "尚未安装Rust，请先安装Rust"
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+ exit 1
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+fi
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+
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+WORK_DIR=$(pwd)
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+RUST_SRC_VERSION=1.66.0
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+# 初始化bare bone工具链
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+DRAGONOS_UNKNOWN_ELF_PATH=$(rustc --print sysroot)/lib/rustlib/x86_64-unknown-dragonos
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+mkdir -p ${DRAGONOS_UNKNOWN_ELF_PATH}/lib
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+# 设置工具链配置文件
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+echo \
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+"{\
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+ \"arch\": \"x86_64\",
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+ \"code-model\": \"kernel\",
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+ \"cpu\": \"x86-64\",
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+ \"os\": \"dragonos\",
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+ \"target-endian\": \"little\",
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+ \"target-pointer-width\": \"64\",
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+ \"target-c-int-width\": \"32\",
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+ \"data-layout\": \"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128\",
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+ \"disable-redzone\": true,
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+ \"features\": \"-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float\",
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+ \"linker\": \"rust-lld\",
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+ \"linker-flavor\": \"ld.lld\",
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+ \"llvm-target\": \"x86_64-unknown-none\",
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+ \"max-atomic-width\": 64,
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+ \"panic-strategy\": \"abort\",
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+ \"position-independent-executables\": true,
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+ \"relro-level\": \"full\",
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+ \"stack-probes\": {
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+ \"kind\": \"inline-or-call\",
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+ \"min-llvm-version-for-inline\": [
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+ 16,
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+ 0,
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+ 0
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+ ]
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+ },
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+ \"static-position-independent-executables\": true,
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+ \"supported-sanitizers\": [
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+ \"kcfi\"
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+ ],
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+ \"target-pointer-width\": \"64\"
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+}" > ${DRAGONOS_UNKNOWN_ELF_PATH}/target.json || exit 1
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+
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+
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+# echo \
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+# "{
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+# \"llvm-target\": \"x86_64-unknown-none\",
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+# \"data-layout\": \"e-m:e-i64:64-f80:128-n8:16:32:64-S128\",
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+# \"arch\": \"x86_64\",
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+# \"target-endian\": \"little\",
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+# \"target-pointer-width\": \"64\",
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+# \"target-c-int-width\": \"32\",
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+# \"os\": \"dragonos\",
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+# \"linker\": \"rust-lld\",
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+# \"linker-flavor\": \"ld.lld\",
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+# \"executables\": true,
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+# \"features\": \"-mmx,-sse,+soft-float\",
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+# \"disable-redzone\": true,
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+# \"panic-strategy\": \"abort\"
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+# }" > ${DRAGONOS_UNKNOWN_ELF_PATH}/target.json || exit 1
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+
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+
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+# 编译标准库 (仍存在问题，不能编译)
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+# mkdir -p build || exit 1
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+# cd build
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+# if [ ! -d "rust" ]; then
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+# git clone -b $RUST_SRC_VERSION https://github.com/rust-lang/rust.git --depth=1 --recursive || exit 1
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+# fi
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+
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+# cd rust
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+# git checkout $RUST_SRC_VERSION
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+# git submodule update --init --recursive
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+
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+# cargo clean
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+# export RUST_COMPILER_RT_ROOT=$(pwd)/src/llvm-project/compiler-rt
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+# CARGO_PROFILE_RELEASE_DEBUG=0 \
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+# CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS=true \
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+# RUSTC_BOOTSTRAP=1 \
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+# RUSTFLAGS="-Cforce-unwind-tables=yes -Cembed-bitcode=yes" \
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+# __CARGO_DEFAULT_LIB_METADATA="stablestd" \
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+# ./x.py build --target x86_64-unknown-dragonos || exit 1
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