main/rust: backport patch and add loongarch64 support

* Patch(0001 to 0005) backported from: rust-lang/rust#121832 rust-lang/rust#122269 rust-lang/rust#122323 * Patch(0008 to 0010) backported from: rust-lang/libc#3605 *Patch(0011) vendor/compiler_builtins backported from: rust-lang/compiler-builtins#579
alpinelinux · Apr 10, 2024 · eb17ca5 · eb17ca5
1 parent e82ddbc
commit eb17ca5
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diff --git a/main/rust/0001-Add-new-Tier-3-target-loongarch64-unknown-linux-musl.patch b/main/rust/0001-Add-new-Tier-3-target-loongarch64-unknown-linux-musl.patch
@@ -0,0 +1,64 @@
+From 9499baeeabc8f4494460770714a9805ff8aeaaa8 Mon Sep 17 00:00:00 2001
+From: WANG Rui <[email protected]>
+Date: Mon, 5 Jun 2023 19:51:24 +0800
+Subject: [PATCH 01/12] Add new Tier-3 target: `loongarch64-unknown-linux-musl`
+
+MCP: https://github.com/rust-lang/compiler-team/issues/518
+---
+ compiler/rustc_target/src/spec/mod.rs          |  1 +
+ .../targets/loongarch64_unknown_linux_musl.rs  | 18 ++++++++++++++++++
+ src/doc/rustc/src/platform-support.md          |  1 +
+ 3 files changed, 20 insertions(+)
+ create mode 100644 compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs
+
+diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
+index 6c698c5b0..b3ee709c2 100644
+--- a/compiler/rustc_target/src/spec/mod.rs
++++ b/compiler/rustc_target/src/spec/mod.rs
+@@ -1402,6 +1402,7 @@ supported_targets! {
+     ("i686-unknown-linux-gnu", i686_unknown_linux_gnu),
+     ("i586-unknown-linux-gnu", i586_unknown_linux_gnu),
+     ("loongarch64-unknown-linux-gnu", loongarch64_unknown_linux_gnu),
++    ("loongarch64-unknown-linux-musl", loongarch64_unknown_linux_musl),
+     ("m68k-unknown-linux-gnu", m68k_unknown_linux_gnu),
+     ("csky-unknown-linux-gnuabiv2", csky_unknown_linux_gnuabiv2),
+     ("csky-unknown-linux-gnuabiv2hf", csky_unknown_linux_gnuabiv2hf),
+diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs
+new file mode 100644
+index 000000000..01a003ce8
+--- /dev/null
++++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs
+@@ -0,0 +1,18 @@
++use crate::spec::{base, Target, TargetOptions};
++
++pub fn target() -> Target {
++    Target {
++        llvm_target: "loongarch64-unknown-linux-musl".into(),
++        pointer_width: 64,
++        data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".into(),
++        arch: "loongarch64".into(),
++        options: TargetOptions {
++            cpu: "generic".into(),
++            features: "+f,+d".into(),
++            llvm_abiname: "lp64d".into(),
++            max_atomic_width: Some(64),
++            crt_static_default: false,
++            ..base::linux_musl::opts()
++        },
++    }
++}
+diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
+index f648a60b6..bc2427d6a 100644
+--- a/src/doc/rustc/src/platform-support.md
++++ b/src/doc/rustc/src/platform-support.md
+@@ -167,6 +167,7 @@ target | std | notes
+ `i686-unknown-freebsd` | ✓ | 32-bit FreeBSD [^x86_32-floats-return-ABI]
+ `i686-unknown-linux-musl` | ✓ | 32-bit Linux with MUSL [^x86_32-floats-return-ABI]
+ [`i686-unknown-uefi`](platform-support/unknown-uefi.md) | * | 32-bit UEFI
++[`loongarch64-unknown-linux-musl`](platform-support/loongarch-linux.md) | ? |  | LoongArch64 Linux (LP64D ABI)
+ [`loongarch64-unknown-none`](platform-support/loongarch-none.md) | * |  | LoongArch64 Bare-metal (LP64D ABI)
+ [`loongarch64-unknown-none-softfloat`](platform-support/loongarch-none.md) | * |  | LoongArch64 Bare-metal (LP64S ABI)
+ [`nvptx64-nvidia-cuda`](platform-support/nvptx64-nvidia-cuda.md) | * | --emit=asm generates PTX code that [runs on NVIDIA GPUs]
+-- 
+2.44.0
+
diff --git a/main/rust/0002-tests-Add-loongarch64-unknown-linux-musl-target.patch b/main/rust/0002-tests-Add-loongarch64-unknown-linux-musl-target.patch
@@ -0,0 +1,26 @@
+From 440278d4971c82b366077d61f682105e197f9680 Mon Sep 17 00:00:00 2001
+From: WANG Rui <[email protected]>
+Date: Fri, 1 Mar 2024 11:43:27 +0800
+Subject: [PATCH 02/12] tests: Add loongarch64-unknown-linux-musl target
+
+---
+ tests/assembly/targets/targets-elf.rs | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/tests/assembly/targets/targets-elf.rs b/tests/assembly/targets/targets-elf.rs
+index 41f5df0fb..bf89790a5 100644
+--- a/tests/assembly/targets/targets-elf.rs
++++ b/tests/assembly/targets/targets-elf.rs
+@@ -231,6 +231,9 @@
+ // revisions: loongarch64_unknown_linux_gnu
+ // [loongarch64_unknown_linux_gnu] compile-flags: --target loongarch64-unknown-linux-gnu
+ // [loongarch64_unknown_linux_gnu] needs-llvm-components: loongarch
++// revisions: loongarch64_unknown_linux_musl
++// [loongarch64_unknown_linux_musl] compile-flags: --target loongarch64-unknown-linux-musl
++// [loongarch64_unknown_linux_musl] needs-llvm-components: loongarch
+ // revisions: loongarch64_unknown_none
+ // [loongarch64_unknown_none] compile-flags: --target loongarch64-unknown-none
+ // [loongarch64_unknown_none] needs-llvm-components: loongarch
+-- 
+2.44.0
+
diff --git a/main/rust/0005-configure.py-add-flag-for-loongarch64-musl-root.patch b/main/rust/0005-configure.py-add-flag-for-loongarch64-musl-root.patch
@@ -0,0 +1,25 @@
+From ac3ab633b1d4ca35e49c7dfe8dbe5a6be7cbc303 Mon Sep 17 00:00:00 2001
+From: WANG Rui <[email protected]>
+Date: Mon, 11 Mar 2024 11:28:34 +0800
+Subject: [PATCH 05/12] configure.py: add flag for loongarch64 musl-root
+
+---
+ src/bootstrap/configure.py | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
+index d34c19a47..cba7f98e8 100755
+--- a/src/bootstrap/configure.py
++++ b/src/bootstrap/configure.py
+@@ -130,6 +130,8 @@ v("musl-root-riscv32gc", "target.riscv32gc-unknown-linux-musl.musl-root",
+   "riscv32gc-unknown-linux-musl install directory")
+ v("musl-root-riscv64gc", "target.riscv64gc-unknown-linux-musl.musl-root",
+   "riscv64gc-unknown-linux-musl install directory")
++v("musl-root-loongarch64", "target.loongarch64-unknown-linux-musl.musl-root",
++  "loongarch64-unknown-linux-musl install directory")
+ v("qemu-armhf-rootfs", "target.arm-unknown-linux-gnueabihf.qemu-rootfs",
+   "rootfs in qemu testing, you probably don't want to use this")
+ v("qemu-aarch64-rootfs", "target.aarch64-unknown-linux-gnu.qemu-rootfs",
+-- 
+2.44.0
+
diff --git a/main/rust/0006-ci-Add-support-for-dist-loongarch64-musl.patch b/main/rust/0006-ci-Add-support-for-dist-loongarch64-musl.patch
@@ -0,0 +1,121 @@
+From fb5f17d6958e86af31e719482001b13bec3b29ce Mon Sep 17 00:00:00 2001
+From: WANG Rui <[email protected]>
+Date: Tue, 5 Mar 2024 16:04:02 +0800
+Subject: [PATCH 06/12] ci: Add support for dist-loongarch64-musl
+
+---
+ src/ci/docker/README.md                       | 16 +++++++++
+ .../dist-loongarch64-musl/Dockerfile          | 36 +++++++++++++++++++
+ .../loongarch64-unknown-linux-musl.defconfig  | 15 ++++++++
+ src/ci/github-actions/ci.yml                  |  3 ++
+ 4 files changed, 70 insertions(+)
+ create mode 100644 src/ci/docker/host-x86_64/dist-loongarch64-musl/Dockerfile
+ create mode 100644 src/ci/docker/host-x86_64/dist-loongarch64-musl/loongarch64-unknown-linux-musl.defconfig
+
+diff --git a/src/ci/docker/README.md b/src/ci/docker/README.md
+index 2e6456837..c53cf28c0 100644
+--- a/src/ci/docker/README.md
++++ b/src/ci/docker/README.md
+@@ -274,6 +274,22 @@ For targets: `loongarch64-unknown-linux-gnu`
+ - C compiler > gcc version = 13.2.0
+ - C compiler > C++ = ENABLE -- to cross compile LLVM
+
++### `loongarch64-linux-musl.defconfig`
++
++For targets: `loongarch64-unknown-linux-musl`
++
++- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET}
++- Path and misc options > Use a mirror = ENABLE
++- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc
++- Target options > Target Architecture = loongarch
++- Target options > Bitness = 64-bit
++- Operating System > Target OS = linux
++- Operating System > Linux kernel version = 5.19.16
++- Binary utilities > Version of binutils = 2.41
++- C-library > musl version = 1.2.5
++- C compiler > gcc version = 13.2.0
++- C compiler > C++ = ENABLE -- to cross compile LLVM
++
+ ### `mips-linux-gnu.defconfig`
+
+ For targets: `mips-unknown-linux-gnu`
+diff --git a/src/ci/docker/host-x86_64/dist-loongarch64-musl/Dockerfile b/src/ci/docker/host-x86_64/dist-loongarch64-musl/Dockerfile
+new file mode 100644
+index 000000000..201e83b2c
+--- /dev/null
++++ b/src/ci/docker/host-x86_64/dist-loongarch64-musl/Dockerfile
+@@ -0,0 +1,36 @@
++FROM ubuntu:22.04
++
++COPY scripts/cross-apt-packages.sh /scripts/
++RUN sh /scripts/cross-apt-packages.sh
++
++COPY scripts/crosstool-ng.sh /scripts/
++RUN sh /scripts/crosstool-ng.sh
++
++COPY scripts/rustbuild-setup.sh /scripts/
++RUN sh /scripts/rustbuild-setup.sh
++WORKDIR /tmp
++
++COPY scripts/crosstool-ng-build.sh /scripts/
++COPY host-x86_64/dist-loongarch64-linux/loongarch64-unknown-linux-musl.defconfig /tmp/crosstool.defconfig
++RUN /scripts/crosstool-ng-build.sh
++
++COPY scripts/sccache.sh /scripts/
++RUN sh /scripts/sccache.sh
++
++ENV PATH=$PATH:/x-tools/loongarch64-unknown-linux-musl/bin
++
++ENV CC_loongarch64_unknown_linux_musl=loongarch64-unknown-linux-musl-gcc \
++    AR_loongarch64_unknown_linux_musl=loongarch64-unknown-linux-musl-ar \
++    CXX_loongarch64_unknown_linux_musl=loongarch64-unknown-linux-musl-g++
++
++ENV HOSTS=loongarch64-unknown-linux-musl
++
++ENV RUST_CONFIGURE_ARGS \
++      --enable-extended \
++      --enable-lld \
++      --disable-docs \
++      --set target.loongarch64-unknown-linux-musl.crt-static=false \
++      --set target.loongarch64-unknown-linux-musl.musl-root=/x-tools/loongarch64-unknown-linux-musl/loongarch64-unknown-linux-musl/sysroot/usr \
++      --build $HOSTS
++
++ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS
+diff --git a/src/ci/docker/host-x86_64/dist-loongarch64-musl/loongarch64-unknown-linux-musl.defconfig b/src/ci/docker/host-x86_64/dist-loongarch64-musl/loongarch64-unknown-linux-musl.defconfig
+new file mode 100644
+index 000000000..3ab676ed9
+--- /dev/null
++++ b/src/ci/docker/host-x86_64/dist-loongarch64-musl/loongarch64-unknown-linux-musl.defconfig
+@@ -0,0 +1,15 @@
++CT_CONFIG_VERSION="4"
++CT_EXPERIMENTAL=y
++CT_PREFIX_DIR="/x-tools/${CT_TARGET}"
++CT_USE_MIRROR=y
++CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc"
++CT_ARCH_LOONGARCH=y
++# CT_DEMULTILIB is not set
++CT_ARCH_USE_MMU=y
++CT_ARCH_ARCH="loongarch64"
++CT_KERNEL_LINUX=y
++CT_LINUX_V_5_19=y
++CT_LIBC_MUSL=y
++CT_CC_GCC_ENABLE_DEFAULT_PIE=y
++CT_CC_LANG_CXX=y
++CT_GETTEXT_NEEDED=y
+diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml
+index f2effcbd8..81fc89ab8 100644
+--- a/src/ci/github-actions/ci.yml
++++ b/src/ci/github-actions/ci.yml
+@@ -392,6 +392,9 @@ jobs:
+           - name: dist-loongarch64-linux
+             <<: *job-linux-8c
+
++          - name: dist-loongarch64-musl
++            <<: *job-linux-8c
++
+           - name: dist-powerpc-linux
+             <<: *job-linux-8c
+
+-- 
+2.44.0
+
diff --git a/main/rust/0007-Promote-loongarch64-unknown-linux-musl-to-Tier-2-wit.patch b/main/rust/0007-Promote-loongarch64-unknown-linux-musl-to-Tier-2-wit.patch
@@ -0,0 +1,47 @@
+From 713ed86a10cc2a95937d7165c05603ab12984f87 Mon Sep 17 00:00:00 2001
+From: WANG Rui <[email protected]>
+Date: Mon, 13 Nov 2023 19:45:27 +0800
+Subject: [PATCH 07/12] Promote loongarch64-unknown-linux-musl to Tier 2 with
+ host tools
+
+MCP: https://github.com/rust-lang/compiler-team/issues/518
+---
+ src/bootstrap/src/core/build_steps/llvm.rs | 1 +
+ src/tools/build-manifest/src/main.rs       | 2 ++
+ 2 files changed, 3 insertions(+), 0 deletion(-)
+
+diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs
+index 4b2d3e9ab..1409acc3b 100644
+--- a/src/bootstrap/src/core/build_steps/llvm.rs
++++ b/src/bootstrap/src/core/build_steps/llvm.rs
+@@ -201,6 +201,7 @@ pub(crate) fn is_ci_llvm_available(config: &Config, asserts: bool) -> bool {
+         ("arm-unknown-linux-gnueabihf", false),
+         ("armv7-unknown-linux-gnueabihf", false),
+         ("loongarch64-unknown-linux-gnu", false),
++        ("loongarch64-unknown-linux-musl", false),
+         ("mips-unknown-linux-gnu", false),
+         ("mips64-unknown-linux-gnuabi64", false),
+         ("mips64el-unknown-linux-gnuabi64", false),
+diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
+index 1ef8cf7de..8fb36c3c7 100644
+--- a/src/tools/build-manifest/src/main.rs
++++ b/src/tools/build-manifest/src/main.rs
+@@ -25,6 +25,7 @@ static HOSTS: &[&str] = &[
+     "i686-pc-windows-msvc",
+     "i686-unknown-linux-gnu",
+     "loongarch64-unknown-linux-gnu",
++    "loongarch64-unknown-linux-musl",
+     "mips-unknown-linux-gnu",
+     "mips64-unknown-linux-gnuabi64",
+     "mips64el-unknown-linux-gnuabi64",
+@@ -99,6 +100,7 @@ static TARGETS: &[&str] = &[
+     "i686-unknown-linux-musl",
+     "i686-unknown-uefi",
+     "loongarch64-unknown-linux-gnu",
++    "loongarch64-unknown-linux-musl",
+     "loongarch64-unknown-none",
+     "loongarch64-unknown-none-softfloat",
+     "m68k-unknown-linux-gnu",
+-- 
+2.44.0
+