ci: Fix Clang build

.github/.ci/aosc/Dockerfile → .github/.ci/aosc.Dockerfile

@@ -24,4 +24,8 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
     oma install -y systemd && \
     oma install -y ${DEPENDENCIES}
 
+ARG RUNNER_ARCH
+RUN --mount=type=bind,source=install-static-clang.sh,target=/usr/local/bin/install-static-clang \
+    [ -n "{RUNNER_ARCH}" ] && install-static-clang
+
 RUN git config --global --add safe.directory /io

.github/.ci/debian/Dockerfile → .github/.ci/debian.Dockerfile

@@ -24,4 +24,8 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
     apt-get update \
     && apt-get install -y ${DEPENDENCIES}
 
+ARG RUNNER_ARCH
+RUN --mount=type=bind,source=install-static-clang.sh,target=/usr/local/bin/install-static-clang \
+    [ -n "{RUNNER_ARCH}" ] && install-static-clang
+
 RUN git config --global --add safe.directory /io

.github/.ci/fedora/Dockerfile → .github/.ci/fedora.Dockerfile

@@ -2,18 +2,25 @@ FROM ghcr.io/fedora-remix-loongarch/mini-image:f43
 ARG TARGETARCH
 
 ARG DEPENDENCIES="         \
+        ccache             \
+        curl               \
         gcc                \
+        git                \
         g++                \
         make               \
-        git                \
         ninja-build        \
         meson              \
         openssl-devel      \
         glib2-devel        \
-        tar"
+        tar                \
+        xz"
 
 RUN --mount=type=cache,target=/var/cache/dnf,sharing=locked \
     dnf update -y \
     && dnf install -y ${DEPENDENCIES}
 
+ARG RUNNER_ARCH
+RUN --mount=type=bind,source=install-static-clang.sh,target=/usr/local/bin/install-static-clang \
+    [ -n "{RUNNER_ARCH}" ] && install-static-clang
+
 RUN git config --global --add safe.directory /io

.github/.ci/install-static-clang.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# Stop at any error, show all commands
+set -exuo pipefail
+
+TOOLCHAIN_PATH=/opt/clang
+
+# Download static-clang
+DEFAULT_ARCH="$(uname -m)"
+if [ "${STATIC_CLANG_ARCH:-}" == "" ]; then
+	STATIC_CLANG_ARCH="${RUNNER_ARCH:-${DEFAULT_ARCH}}"
+fi
+case "${STATIC_CLANG_ARCH}" in
+	ARM64|aarch64|arm64|arm64/*) GO_ARCH=arm64;;
+	ARM|armv7l|armv8l|arm|arm/v7) GO_ARCH=arm;;  # assume arm/v7 for arm
+	X64|x86_64|amd64|amd64/*) GO_ARCH=amd64;;
+	X86|i686|386) GO_ARCH=386;;
+	loongarch64) GO_ARCH=loong64;;
+	ppc64le) GO_ARCH=ppc64le;;
+	riscv64) GO_ARCH=riscv64;;
+	s390x) GO_ARCH=s390x;;
+	*) echo "No static-clang toolchain for ${CLANG_ARCH}">2; exit 1;;
+esac
+STATIC_CLANG_VERSION=22.1.8.1
+STATIC_CLANG_FILENAME="static-clang-linux-${GO_ARCH}.tar.xz"
+STATIC_CLANG_URL="https://github.com/mayeut/static-clang-images/releases/download/v${STATIC_CLANG_VERSION}/${STATIC_CLANG_FILENAME}"
+pushd /tmp
+cat<<'EOF' | grep "${STATIC_CLANG_FILENAME}" > "${STATIC_CLANG_FILENAME}.sha256"
+f3f643d7d6b0a7fdce6060d1e05e00e0f00a71107b38b32280a02d1be67faa5d  static-clang-linux-386.tar.xz
+6a5419dbb658dd9c379e4cddc2a130d33aef458add0c7ccd1f529f12b0a4d67a  static-clang-linux-amd64.tar.xz
+8e789c1883562f5b51f2d0e4e74c3930e2a9cce1147c63553b4dd13d99f087e7  static-clang-linux-arm.tar.xz
+380e282fcf11d716f15a57bafbdb6a35ca2018f58fa343a01cb0b274887ef988  static-clang-linux-arm64.tar.xz
+54020fb3dee9e6af801f1f9f314f96368b7ea5aef460dc1cbda8a8527b88b78b  static-clang-linux-loong64.tar.xz
+f7a82ff0e2a9dbef1dd5ee8d5bbf8c8cbaf4c05e36ebd8ae969b8225c66f4b6d  static-clang-linux-ppc64le.tar.xz
+ee928c2a94b39e895c3e800fc2ea89c326e20d5daf4af37af6cf12fe4a3d1f03  static-clang-linux-riscv64.tar.xz
+84f6508a7eaca447e91a15ce61b07eff7a38383255ef3de43b88f5ab7afe9ea9  static-clang-linux-s390x.tar.xz
+EOF
+curl -fsSLO "${STATIC_CLANG_URL}"
+sha256sum -c "${STATIC_CLANG_FILENAME}.sha256"
+tar -C /opt -xf "${STATIC_CLANG_FILENAME}"
+popd
+
+# configure target triple
+DEFAULT_POLICY="manylinux_2_38"
+if ldd /bin/ls 2>&1 | grep -q 'musl'; then
+	DEFAULT_POLICY="musllinux_1_2"
+fi
+if [ "${AUDITWHEEL_POLICY:-}" == "" ]; then
+	AUDITWHEEL_POLICY="${DEFAULT_POLICY}"
+fi
+if [ "${AUDITWHEEL_ARCH:-}" == "" ]; then
+	AUDITWHEEL_ARCH="${DEFAULT_ARCH}"
+fi
+if [ "${AUDITWHEEL_PLAT:-}" == "" ]; then
+	AUDITWHEEL_PLAT="${AUDITWHEEL_POLICY}-${AUDITWHEEL_ARCH}"
+fi
+case "${AUDITWHEEL_PLAT}" in
+	manylinux*-armv7l) TARGET_TRIPLE=armv7-unknown-linux-gnueabihf;;
+	musllinux*-armv7l) TARGET_TRIPLE=armv7-alpine-linux-musleabihf;;
+	manylinux*-ppc64le) TARGET_TRIPLE=powerpc64le-unknown-linux-gnu;;
+	musllinux*-ppc64le) TARGET_TRIPLE=powerpc64le-alpine-linux-musl;;
+	manylinux*-*) TARGET_TRIPLE=${AUDITWHEEL_ARCH}-unknown-linux-gnu;;
+	musllinux*-*) TARGET_TRIPLE=${AUDITWHEEL_ARCH}-alpine-linux-musl;;
+esac
+case "${AUDITWHEEL_PLAT}" in
+	*-riscv64) M_ARCH="-march=rv64gc";;
+	*-x86_64) M_ARCH="-march=x86-64";;
+	*-armv7l) M_ARCH="-march=armv7a";;
+	manylinux*-i686) M_ARCH="-march=k8 -mtune=generic";;  # same as gcc manylinux2014 / manylinux_2_28
+	musllinux*-i686) M_ARCH="-march=pentium-m -mtune=generic";;  # same as gcc musllinux_1_2
+esac
+GCC_TRIPLE=$(gcc -dumpmachine)
+
+pushd "${TOOLCHAIN_PATH}/bin"
+ln -s clang "${TOOLCHAIN_PATH}/bin/gcc"
+ln -s clang "${TOOLCHAIN_PATH}/bin/cc"
+ln -s clang-cpp "${TOOLCHAIN_PATH}/bin/cpp"
+ln -s clang++ "${TOOLCHAIN_PATH}/bin/g++"
+ln -s clang++ "${TOOLCHAIN_PATH}/bin/c++"
+ln -s lld "${TOOLCHAIN_PATH}/bin/ld"
+popd
+
+cat<<EOF >"${TOOLCHAIN_PATH}/bin/${AUDITWHEEL_PLAT}.cfg"
+	-target ${TARGET_TRIPLE}
+	${M_ARCH:-}
+	--gcc-toolchain=${DEVTOOLSET_ROOTPATH:-}/usr
+	--gcc-triple=${GCC_TRIPLE}
+EOF
+
+cat<<EOF >"${TOOLCHAIN_PATH}/bin/clang.cfg"
+	@${AUDITWHEEL_PLAT}.cfg
+	-fuse-ld=lld
+EOF
+
+cat<<EOF >"${TOOLCHAIN_PATH}/bin/clang++.cfg"
+	@${AUDITWHEEL_PLAT}.cfg
+	-fuse-ld=lld
+EOF
+
+cat<<EOF >"${TOOLCHAIN_PATH}/bin/clang-cpp.cfg"
+	@${AUDITWHEEL_PLAT}.cfg
+EOF

.github/workflows/build-docker-images.yml

@@ -18,7 +18,7 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ matrix.IMAGE.RUNNER }}
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     permissions:
       contents: read
@@ -30,9 +30,9 @@ jobs:
       fail-fast: false
       matrix:
         IMAGE:
-          - {TAG_NAME: "latx-runner-aosc:loong64", DOCKER_PLATFORM: "linux/loong64", DOCKERFILE_PATH: ".github/.ci/aosc", RUNNER: "ubuntu-latest"}
-          - {TAG_NAME: "latx-runner-debian:loong64", DOCKER_PLATFORM: "linux/loong64", DOCKERFILE_PATH: ".github/.ci/debian", RUNNER: "ubuntu-latest"}
-          - {TAG_NAME: "latx-runner-fedora:loongarch64", DOCKER_PLATFORM: "linux/loong64", DOCKERFILE_PATH: ".github/.ci/fedora", RUNNER: "ubuntu-latest"}
+          - {TAG_NAME: "latx-runner-aosc:loong64", DOCKER_PLATFORM: "linux/loong64", DOCKER_PATH: ".github/.ci", DOCKER_FILE: "aosc.Dockerfile"}
+          - {TAG_NAME: "latx-runner-debian:loong64", DOCKER_PLATFORM: "linux/loong64", DOCKER_PATH: ".github/.ci", DOCKER_FILE: "debian.Dockerfile"}
+          - {TAG_NAME: "latx-runner-fedora:loongarch64", DOCKER_PLATFORM: "linux/loong64", DOCKER_PATH: ".github/.ci", DOCKER_FILE: "fedora.Dockerfile"}
 
     name: "${{ matrix.IMAGE.TAG_NAME }}"
     steps:
@@ -70,11 +70,11 @@ jobs:
         uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a  # v7.3.0
         id: docker-build
         with:
-          context: ${{ matrix.IMAGE.DOCKERFILE_PATH }}
-          cache-from: ghcr.io/${{ github.repository_owner }}/${{ matrix.IMAGE.TAG_NAME }}
-          tags: ghcr.io/${{ github.repository_owner }}/${{ matrix.IMAGE.TAG_NAME }}
+          context: ${{ matrix.IMAGE.DOCKER_PATH }}
+          file: ${{ matrix.IMAGE.DOCKER_PATH }}/${{ matrix.IMAGE.DOCKER_FILE }}
           platforms: ${{ matrix.IMAGE.DOCKER_PLATFORM }}
-          pull: true
+          build-args: RUNNER_ARCH
+          tags: ghcr.io/${{ github.repository_owner }}/${{ matrix.IMAGE.TAG_NAME }}
           push: ${{ (github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch') && github.ref == 'refs/heads/master' }}
 
       - uses: actions/attest-build-provenance@0f67c3f4856b2e3261c31976d6725780e5e4c373  # v4.1.1

.github/workflows/release.yml

@@ -67,6 +67,7 @@ jobs:
           DOCKER_CMD="./latxbuild/${{ matrix.type.NAME }}.sh ${{ matrix.type.OPT }}"
           docker run --rm \
             --platform linux/loong64 \
+            --env RUNNER_ARCH \
             --volume /tmp/.cache:/root/.cache \
             --volume "$(pwd):/io" \
             --workdir /io \

configure

@@ -1741,13 +1741,7 @@ if test "$latx" = "yes" ; then
     QEMU_LDFLAGS="$latx_ldflags $QEMU_LDFLAGS"
     ;;
   esac
-  if test "$debug" = "yes" ; then
-    # add `--export-dynamic`, used for backtrace
-    QEMU_LDFLAGS="-export-dynamic $QEMU_LDFLAGS"
-  else
-    QEMU_LDFLAGS="-export-dynamic $QEMU_LDFLAGS"
-  fi
-  QEMU_LDFLAGS="-lcrypto -lz $QEMU_LDFLAGS"
+  QEMU_LDFLAGS="-fuse-ld=bfd -Wl,--export-dynamic -lcrypto -lz $QEMU_LDFLAGS"
 else
   echo "build for target $target_list"
   if test "$target_list" = "x86_64-linux-user" ; then

latxbuild/build-release.sh

@@ -8,6 +8,10 @@ srcdir=$(realpath "$(dirname "$0")/../")
 pkgdir=$srcdir/pkg
 tarballs=$pkgname-$pkgver-$pkgdate.tar.xz
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 prepare() {
     [ -d $srcdir/build32 ] || mkdir -p $srcdir/build32
     [ -d $srcdir/build64 ] || mkdir -p $srcdir/build64

latxbuild/build32-dbg.sh

@@ -6,6 +6,10 @@ opt_level=1
 low_mem_mode=""
 avx_support=""
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/build32.sh

@@ -6,6 +6,10 @@ opt_level=1
 low_mem_mode=""
 avx_support=""
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/build64-dbg.sh

@@ -5,6 +5,10 @@ make_configure=0
 opt_level=1
 avx_support=""
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/build64.sh

@@ -6,6 +6,10 @@ opt_level=1
 low_mem_mode=""
 avx_support=""
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/buildtcg32-dbg.sh

@@ -3,6 +3,10 @@ set -e
 
 make_configure=0
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/buildtcg32.sh

@@ -3,6 +3,10 @@ set -e
 
 make_configure=0
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/buildtcg64-dbg.sh

@@ -3,6 +3,10 @@ set -e
 
 make_configure=0
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

latxbuild/buildtcg64.sh

@@ -3,6 +3,10 @@ set -e
 
 make_configure=0
 
+if [ -n "${RUNNER_ARCH}" ] && [ -d "/opt/clang/bin" ]; then
+    export PATH=/opt/clang/bin:$PATH
+fi
+
 help() {
     echo "Usage:"
     echo "  -c              configure"

linux-user/i386/signal.c

@@ -250,11 +250,13 @@ __asm__(".macro parse_v var val\n\t"
 
 __asm__(".macro parse_r var r\n\t"
     "\\var = -1\n\t"
+    _IFC_REG(a0,4)   _IFC_REG(a1,5)   _IFC_REG(a2,6)   _IFC_REG(a3,7)
+    _IFC_REG(fp,22)
     _IFC_REG(r0,0) _IFC_REG(r1,1)  _IFC_REG(r2,2)  _IFC_REG(r3,3)
     _IFC_REG(r4,4)   _IFC_REG(r5,5)  _IFC_REG(r6,6)  _IFC_REG(r7,7)
     _IFC_REG(r8,8)   _IFC_REG(r9,9)  _IFC_REG(r10,10) _IFC_REG(r11,11)
     _IFC_REG(r12,12)  _IFC_REG(r13,13) _IFC_REG(r14,14) _IFC_REG(r15,15)
-    _IFC_REG(r16,16)  _IFC_REG(r17,17) _IFC_REG(r18,18) _IFC_REG(r17,19)
+    _IFC_REG(r16,16)  _IFC_REG(r17,17) _IFC_REG(r18,18) _IFC_REG(r19,19)
     _IFC_REG(r20,20)  _IFC_REG(r21,21)  _IFC_REG(r22,22) _IFC_REG(r23,23)
     _IFC_REG(r24,24)  _IFC_REG(r25,25) _IFC_REG(r26,26) _IFC_REG(r27,27)
     _IFC_REG(r28,28)  _IFC_REG(r29,29) _IFC_REG(r30,30) _IFC_REG(r31,31)

target/i386/latx/include/reg-alloc.h

@@ -188,24 +188,27 @@ void imm_cache_free_temp_helper(IR2_OPND dest_op);
 IR2_OPND ra_alloc_st(int);
 IR2_OPND ra_alloc_mda(void);
 
-#define _IFC_REG(n)				\
-	".ifc	\\r, $r" #n "\n\t"		\
-	"\\var	= " #n "\n\t"			\
-	".endif\n\t"
+/* Match an individual register number and assign to \var */
+#define _IFC_REG(r, n)      \
+    ".ifc \\r, $" #r "\n\t" \
+    "\\var = " #n "\n\t"    \
+    ".endif\n\t"
 
-    __asm__(".macro	parse_r var r, imm\n\t"
-	"\\var	= -1\n\t"
-	_IFC_REG(0)  _IFC_REG(1)  _IFC_REG(2)  _IFC_REG(3)
-	_IFC_REG(4)  _IFC_REG(5)  _IFC_REG(6)  _IFC_REG(7)
-	_IFC_REG(8)  _IFC_REG(9)  _IFC_REG(10) _IFC_REG(11)
-	_IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15)
-	_IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19)
-	_IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23)
-	_IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27)
-	_IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31)
-	".iflt	\\var\n\t"
-	".error	\"Unable to parse register name \\r\"\n\t"
-	".endif\n\t"
-	".endm");
+__asm__(".macro parse_r var r, imm\n\t"
+    "\\var = -1\n\t"
+    _IFC_REG(a0,4)   _IFC_REG(a1,5)   _IFC_REG(a2,6)   _IFC_REG(a3,7)
+    _IFC_REG(fp,22)
+    _IFC_REG(r0,0) _IFC_REG(r1,1)  _IFC_REG(r2,2)  _IFC_REG(r3,3)
+    _IFC_REG(r4,4)   _IFC_REG(r5,5)  _IFC_REG(r6,6)  _IFC_REG(r7,7)
+    _IFC_REG(r8,8)   _IFC_REG(r9,9)  _IFC_REG(r10,10) _IFC_REG(r11,11)
+    _IFC_REG(r12,12)  _IFC_REG(r13,13) _IFC_REG(r14,14) _IFC_REG(r15,15)
+    _IFC_REG(r16,16)  _IFC_REG(r17,17) _IFC_REG(r18,18) _IFC_REG(r19,19)
+    _IFC_REG(r20,20)  _IFC_REG(r21,21)  _IFC_REG(r22,22) _IFC_REG(r23,23)
+    _IFC_REG(r24,24)  _IFC_REG(r25,25) _IFC_REG(r26,26) _IFC_REG(r27,27)
+    _IFC_REG(r28,28)  _IFC_REG(r29,29) _IFC_REG(r30,30) _IFC_REG(r31,31)
+    ".iflt \\var\n\t"
+    ".error \"Unable to parse register name \\r\"\n\t"
+    ".endif\n\t"
+    ".endm");
 
 #endif

target/i386/latx/sbt/aot_recover_tb.c

@@ -214,8 +214,12 @@ static void recover_tb_range(target_ulong page, struct aot_tb *p_aot_tbs,
         /* Reserve space for tu tbmin table. */
         TBMini *tbmini_ptr= (TBMini *)
             ROUND_UP((uintptr_t)tcg_ctx->code_gen_ptr, CODE_GEN_ALIGN);
-        qatomic_set(&tcg_ctx->code_gen_ptr, ROUND_UP((uintptr_t)tbmini_ptr +
-                    sizeof(struct TBMini) * (tb_num_in_tu + 1), qemu_icache_linesize));
+        uintptr_t code_gen_addr =
+            ROUND_UP((uintptr_t)tbmini_ptr +
+                     sizeof(struct TBMini) * (tb_num_in_tu + 1),
+                     qemu_icache_linesize);
+        qatomic_set(&tcg_ctx->code_gen_ptr,
+                    (__typeof__(tcg_ctx->code_gen_ptr))code_gen_addr);
         /* First tbm save tb_num_in_tu and TB_MAGIC. */
         aot_tbmini_set_pointer((uintptr_t)tbmini_ptr, tb_num_in_tu, TB_MAGIC);
         for (int k = i; k < j; k++) {