loong64 arch support

docker-bake.hcl

@@ -136,7 +136,8 @@ target "_all-platforms" {
         "linux/mips64le",
         "linux/ppc64le",
         "linux/s390x",
-        "linux/riscv64"
+        "linux/riscv64",
+        "linux/loong64"
     ]
 }
 
@@ -171,6 +172,7 @@ target "sdk-extras" {
         "linux/ppc64le",
         "linux/riscv64",
         "linux/s390x",
+        "linux/loong64",
         "windows/386",
         "windows/amd64",
         "windows/arm",

src/test-cargo.bats

@@ -47,7 +47,8 @@ testHelloCargoRustup() {
 @test "install-rustup" {
   add clang lld curl ca-certificates
   assert_success
-  run sh -c "curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=1.69.0 --no-modify-path --profile=minimal"
+  # https://releases.rs/docs/1.81.0/ adds support for loongarch64 on musl: https://doc.rust-lang.org/rustc/platform-support/loongarch-linux.html#building-rust-programs
+  run sh -c "curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain=1.81.0 --no-modify-path --profile=minimal"
   assert_success
   export "PATH=/root/.cargo/bin:$PATH"
   run rustup --version 2>/dev/null
@@ -75,6 +76,14 @@ testHelloCargoRustup() {
   testHelloCargoRustup
 }
 
+@test "loong64-hellocargo-rustup" {
+  if ! supportLoong64Go; then
+    skip "LOONGARCH64 not supported"
+  fi
+  export TARGETARCH=loong64
+  testHelloCargoRustup
+}
+
 @test "ppc64le-hellocargo-rustup" {
   if [ -f /etc/alpine-release ]; then
     skip "rust stdlib not yet available for powerpc64le-unknown-linux-musl"
@@ -129,6 +138,14 @@ testHelloCargoRustup() {
   testHelloCargo
 }
 
+@test "loong64-hellocargo-rustpkg" {
+  if ! supportLoong64Go; then
+    skip "LOONGARCH64 not supported" # rust stdlib package not available
+  fi
+  export TARGETARCH=loong64
+  testHelloCargo
+}
+
 @test "ppc64le-hellocargo-rustpkg" {
   export TARGETARCH=ppc64le
   testHelloCargo

src/test-clang.bats

@@ -259,6 +259,14 @@ testBuildHello() {
   testHelloCLLD
 }
 
+@test "loong64-c-ld" {
+  if ! supportLoongArch; then
+    skip "LOONGARCH64 not supported"
+  fi
+  export TARGETARCH=loong64
+  testHelloCLLD
+}
+
 @test "386-c-lld" {
   export TARGETARCH=386
   testHelloCPPLLD
@@ -300,6 +308,24 @@ testBuildHello() {
   testHelloCPPLLD # actually runs with ld
 }
 
+@test "loong64-c++-lld" {
+  if ! supportLoongArch; then
+    skip "LOONGARCH64 not supported"
+  fi
+  if [ -f /etc/alpine-release ]; then
+    # FIXME: loong64-c++-lld issue on alpine < 3.21
+    #  ld.lld: error: unknown emulation: elf64loongarch
+    #  ld.lld: error: /loongarch64-alpine-linux-musl/usr/lib/gcc/loongarch64-alpine-linux-musl/14.2.0/crtbeginS.o:(.text+0x0): unknown relocation (102) against symbol
+    #  error: unknown target triple 'loongarch64-alpine-linux-musl', please use -triple or -arch
+    alpineRelease=$(cat /etc/alpine-release)
+    if ! grep PRETTY_NAME /etc/os-release | cut -d '=' -f 2 | tr -d '"' | grep -q "edge$" || [ "$(semver compare "$alpineRelease" "3.21.0")" -lt 0 ]; then
+      skip
+    fi
+  fi
+  export TARGETARCH=loong64
+  testHelloCPPLLD
+}
+
 @test "386-c++-lld" {
   export TARGETARCH=386
   testHelloCPPLLD

src/test-go.bats

@@ -17,7 +17,7 @@ setup_file() {
 }
 
 teardown_file() {
-  for p in linux/amd64 linux/arm64 linux/ppc64le linux/s390x linux/386 linux/arm/v7 linux/arm/v6 linux/riscv64; do
+  for p in linux/amd64 linux/arm64 linux/ppc64le linux/s390x linux/386 linux/arm/v7 linux/arm/v6 linux/riscv64 linux/loong64; do
     TARGETPLATFORM=$p xxdel xx-c-essentials
     root=/$(TARGETPLATFORM=$p xx-info triple)
     if [ -d "$root" ] && [ "$root" != "/" ]; then
@@ -173,6 +173,14 @@ testEnv() {
   testEnv
 }
 
+@test "loong64-env" {
+  if ! supportLoong64Go; then
+    skip "LOONGARCH64 not supported"
+  fi
+  export TARGETARCH=loong64
+  testEnv
+}
+
 @test "mips-env" {
   export TARGETARCH=mips
   expMips=hardfloat
@@ -333,6 +341,14 @@ testHelloGO() {
   testHelloGO
 }
 
+@test "loong64-hellogo" {
+  if ! supportLoong64Go; then
+    skip "LOONGARCH64 not supported"
+  fi
+  export TARGETARCH=loong64
+  testHelloGO
+}
+
 @test "386-hellogo" {
   export TARGETARCH=386
   testHelloGO
@@ -452,6 +468,24 @@ testHelloCGO() {
   testHelloCGO
 }
 
+@test "loong64-hellocgo" {
+  if ! supportLoong64CGo; then
+    skip "LOONGARCH64 not supported"
+  fi
+  if [ -f /etc/alpine-release ]; then
+    # FIXME: loong64-hellocgo issue on alpine < 3.21
+    #  ld.lld: error: unknown emulation: elf64loongarch
+    #  ld.lld: error: /loongarch64-alpine-linux-musl/usr/lib/gcc/loongarch64-alpine-linux-musl/14.2.0/crtbeginS.o:(.text+0x0): unknown relocation (102) against symbol
+    #  error: unknown target triple 'loongarch64-alpine-linux-musl', please use -triple or -arch
+    alpineRelease=$(cat /etc/alpine-release)
+    if ! grep PRETTY_NAME /etc/os-release | cut -d '=' -f 2 | tr -d '"' | grep -q "edge$" || [ "$(semver compare "$alpineRelease" "3.21.0")" -lt 0 ]; then
+      skip
+    fi
+  fi
+  export TARGETARCH=loong64
+  testHelloCGO
+}
+
 @test "386-hellocgo" {
   export TARGETARCH=386
   testHelloCGO

src/test-info-alpine.bats

@@ -92,10 +92,15 @@ load 'assert'
   assert_equal "riscv64" "$(TARGETPLATFORM=linux/riscv64 RISCV64_TARGET_ARCH=riscv64gc xx-info pkg-arch)" # does not change
 }
 
-@test "custom-vendor" {
+@test "riscv64-custom-vendor" {
   assert_equal "riscv64-unknown-linux-musl" "$(TARGETPLATFORM=linux/riscv64 XX_VENDOR=unknown xx-info triple)"
 }
 
+@test "loong64" {
+  assert_equal "loongarch64-alpine-linux-musl" "$(TARGETPLATFORM=linux/loong64 xx-info triple)"
+  assert_equal "loongarch64" "$(TARGETPLATFORM=linux/loong64 xx-info pkg-arch)"
+}
+
 @test "mips" {
   assert_equal "mips-alpine-linux-musl" "$(TARGETPLATFORM=linux/mips xx-info triple)"
   assert_equal "mips" "$(TARGETPLATFORM=linux/mips xx-info pkg-arch)"

src/test-info-common.bats

@@ -85,6 +85,10 @@ load 'assert'
   assert_equal "ppc64le" "$(TARGETPLATFORM=linux/ppc64le xx-info march)"
 }
 
+@test "loong64" {
+  assert_equal "loong64" "$(TARGETPLATFORM=linux/loong64 xx-info march)"
+}
+
 @test "mips" {
   assert_equal "mips" "$(TARGETPLATFORM=linux/mips xx-info march)"
 }
@@ -134,6 +138,10 @@ load 'assert'
   assert_success
   assert_output "$(TARGETPLATFORM=linux/riscv64 xx-info)"
 
+  TARGETPAIR=linux-loong64 run xx-info
+  assert_success
+  assert_output "$(TARGETPLATFORM=linux/loong64 xx-info)"
+
   TARGETPAIR=linux-mips run xx-info
   assert_success
   assert_output "$(TARGETPLATFORM=linux/mips xx-info)"

src/test-info-debian.bats

@@ -77,6 +77,11 @@ fi
   assert_equal "riscv64gc-unknown-linux-gnu" "$(TARGETPLATFORM=linux/riscv64 RISCV64_TARGET_ARCH=riscv64gc XX_VENDOR=unknown xx-info triple)"
 }
 
+@test "loong64" {
+  assert_equal "loongarch64-linux-gnu" "$(TARGETPLATFORM=linux/loong64 xx-info triple)"
+  assert_equal "loong64" "$(TARGETPLATFORM=linux/loong64 xx-info pkg-arch)"
+}
+
 @test "mips" {
   assert_equal "mips-linux-gnu" "$(TARGETPLATFORM=linux/mips xx-info triple)"
   assert_equal "mips" "$(TARGETPLATFORM=linux/mips xx-info pkg-arch)"

src/test-info-rhel.bats

@@ -60,6 +60,10 @@ fi
   assert_equal "riscv64" "$(TARGETPLATFORM=linux/riscv64 xx-info pkg-arch)"
 }
 
+@test "loong64" {
+  assert_equal "loong64" "$(TARGETPLATFORM=linux/loong64 xx-info pkg-arch)"
+}
+
 @test "mips" {
   assert_equal "mips-linux-gnu" "$(TARGETPLATFORM=linux/mips xx-info triple)"
   assert_equal "mips" "$(TARGETPLATFORM=linux/mips xx-info pkg-arch)"

src/test-verify.bats

@@ -250,6 +250,15 @@ load 'assert'
   run xx-verify /idontexist
   assert_failure
 
+  export XX_VERIFY_FILE_CMD_OUTPUT=": ELF 64-bit LSB executable, LoongArch, version 1 (SYSV), statically linked, BuildID[sha1]=4d126b33c220ba2efd23ed68a46ef0db96c31f76, not stripped"
+  export TARGETPLATFORM=linux/loong64
+  run xx-verify /idontexist
+  assert_success
+
+  export TARGETPLATFORM=linux/amd64
+  run xx-verify /idontexist
+  assert_failure
+
   unset XX_VERIFY_FILE_CMD_OUTPUT
   unset TARGETPLATFORM
 }

src/test_helper.bash

@@ -45,7 +45,7 @@ xxrun() {
         wasclang=1
       fi
       if [ "$p" = "golang" ]; then
-        p="golang-1.15"
+        p="golang-1.19"
         wasgolang=1
       fi
       set -- "$@" "$p"
@@ -63,7 +63,7 @@ xxrun() {
     fi
   fi
   if [ -n "$wasgolang" ] && ! command -v go 2>/dev/null >/dev/null; then
-    ln -s /usr/lib/go-1.15/bin/go /usr/bin/go
+    ln -s /usr/lib/go-1.19/bin/go /usr/bin/go
   fi
 }
 
@@ -78,6 +78,17 @@ supportRiscV() {
   return 0
 }
 
+supportLoongArch() {
+  if [ -f /etc/debian_version ]; then
+    if grep "sid main" /etc/apt/sources.list 2>/dev/null >/dev/null; then
+      return 0
+    else
+      return 1
+    fi
+  fi
+  return 0
+}
+
 versionGTE() { test "$(printf '%s\n' "$@" | sort -V | tail -n 1)" = "$1"; }
 
 supportRiscVGo() {
@@ -105,6 +116,20 @@ supportWindowsArm64Go() {
   versionGTE "$(go version | awk '{print $3}' | sed 's/^go//')" "1.17"
 }
 
+supportLoong64Go() {
+  versionGTE "$(go version | awk '{print $3}' | sed 's/^go//')" "1.19"
+}
+
+supportLoong64CGo() {
+  if ! supportLoongArch; then
+    return 1
+  fi
+  if ! supportLoong64Go; then
+    return 1
+  fi
+  return 0
+}
+
 supportRC() {
   command -v llvm-rc >/dev/null 2>&1
 }

src/xx-apk

@@ -59,6 +59,11 @@ setup() {
     echo "https://dl-cdn.alpinelinux.org/alpine/v3.20/main" >"$apk_dir/repositories"
     echo "https://dl-cdn.alpinelinux.org/alpine/v3.20/community" >>"$apk_dir/repositories"
   fi
+  # loong64 supported since alpine 3.21
+  if [ "$TARGETARCH" = "loong64" ] && ! supportLoong64; then
+    echo "https://dl-cdn.alpinelinux.org/alpine/v3.21/main" >"$apk_dir/repositories"
+    echo "https://dl-cdn.alpinelinux.org/alpine/v3.21/community" >>"$apk_dir/repositories"
+  fi
   mkdir -p "$apk_dir/keys"
   mkdir -p "$apk_dir/protected_paths.d"
   echo "$XX_PKG_ARCH" >"$apk_dir/arch"
@@ -146,6 +151,10 @@ supportRiscV() {
   versionGTE "$(xx-info os-version | cut -d'.' -f1-2)" "3.20"
 }
 
+supportLoong64() {
+  versionGTE "$(xx-info os-version | cut -d'.' -f1-2)" "3.21"
+}
+
 case "$1" in
   "setup")
     setup

src/xx-cc

@@ -175,6 +175,8 @@ detectTargetOSArch() {
     targetarch="s390x"
   elif [ "$arch" = "powerpc64le" ]; then
     targetarch="ppc64le"
+  elif [ "$arch" = "loong64" ]; then
+    targetarch="loong64"
   fi
 
   if [ -z "$targetarch" ]; then
@@ -342,6 +344,10 @@ setup() {
   if [ "${target#riscv64}" != "${target}" ]; then
     prefer_lld=
   fi
+  # lld has no support for loong64
+  if [ "${target#loong64}" != "${target}" ]; then
+    prefer_lld=
+  fi
 
   if [ -n "${XX_CC_PREFER_STATIC_LINKER}" ] && { [ "${target#386}" != "${target}" ] || [ "${target#powerpc64le}" != "${target}" ]; }; then
     prefer_lld=
@@ -410,6 +416,9 @@ setup() {
     if [ "$exp" = "riscv64" ]; then
       exp="riscv"
     fi
+    if [ "$exp" = "loong64" ]; then
+      exp="loongarch64"
+    fi
     if ld -V 2>/dev/null | grep "$exp" >/dev/null; then
       ln -s "$(command -v ld)" "/usr/bin/${target}-ld"
       linker="/usr/bin/${target}-ld"

src/xx-info

@@ -190,6 +190,9 @@ if [ -z "$TARGETARCH" ]; then
     "s390x")
       TARGETARCH="s390x"
       ;;
+    "loong64")
+      TARGETARCH="loong64"
+      ;;
     "mips")
       TARGETARCH="mips"
       ;;
@@ -221,6 +224,8 @@ if [ "$TARGETOS" = "darwin" ] && [ -z "$MACOSX_VERSION_MIN" ]; then
   fi
 fi
 
+# debian: https://git.dpkg.org/cgit/dpkg/dpkg.git/tree/data/cputable
+# alpine: https://gitlab.alpinelinux.org/alpine/apk-tools/-/blob/master/src/apk_arch.h?ref_type=heads
 case "$TARGETARCH" in
   "amd64")
     XX_MARCH="x86_64"
@@ -309,6 +314,13 @@ case "$TARGETARCH" in
     XX_RHEL_ARCH="s390x"
     XX_TRIPLE="s390x${vendor}-linux-${XX_LIBC}"
     ;;
+  "loong64")
+    XX_MARCH="loong64"
+    XX_DEBIAN_ARCH="loong64"
+    XX_ALPINE_ARCH="loongarch64"
+    XX_RHEL_ARCH="loong64"
+    XX_TRIPLE="loongarch64${vendor}-linux-${XX_LIBC}"
+    ;;
   "386")
     XX_MARCH="i386"
     XX_DEBIAN_ARCH="i386"

src/xx-verify

@@ -214,6 +214,10 @@ for f in "$@"; do
       expArch="IBM S/390"
       expArch2="64-bit MSB"
       ;;
+    "loong64")
+      expArch="LoongArch"
+      expArch2="64-bit LSB"
+      ;;
     "mips")
       expArch="MIPS"
       expArch2="32-bit MSB"