From cfaf6451838f0817ad53eab16d639361aa63e2ec Mon Sep 17 00:00:00 2001
From: Slavomir Kucera <slavomir.kucera@broadcom.com>
Date: Tue, 19 Mar 2024 16:55:07 +0100
Subject: [PATCH] try s390x build

---
 .github/workflows/CI.yml                      | 37 ++++++++++++++++++-
 .../vscode-hlasmplugin/src/serverFactory.ts   |  1 +
 scripts/config.linux_s390x.sh                 |  3 ++
 scripts/emulation.linux_s390x.sh              | 14 +++++++
 scripts/prereq.linux_s390x.sh                 |  3 ++
 scripts/test-runner.linux_s390x.sh            |  3 ++
 scripts/toolchain.linux_s390x.sh              | 36 ++++++++++++++++++
 7 files changed, 95 insertions(+), 2 deletions(-)
 create mode 100755 scripts/config.linux_s390x.sh
 create mode 100755 scripts/emulation.linux_s390x.sh
 create mode 100755 scripts/prereq.linux_s390x.sh
 create mode 100755 scripts/test-runner.linux_s390x.sh
 create mode 100755 scripts/toolchain.linux_s390x.sh

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 19e6f0429..28fd4eb67 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,6 +20,7 @@ on:
       - master
       - development
       - release-next
+      - ci_s390x_build
   pull_request:
     branches:
       - master
@@ -183,14 +184,32 @@ jobs:
           path: toolchain.tar.gz
           key: ${{ hashFiles('scripts/toolchain.linux_arm64.sh') }}
           lookup-only: true
-      - name: Build image
+      - name: Build toolchain
         if: steps.cache.outputs.cache-hit != 'true'
         run: ./scripts/toolchain.linux_arm64.sh
 
+  s390x-linux-musl:
+    name: Build Linux S390X toolchain
+    runs-on: ubuntu-22.04
+    container: alpine:3.19
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install TAR
+        run: apk add tar
+      - uses: actions/cache@v4
+        id: cache
+        with:
+          path: toolchain.tar.gz
+          key: ${{ hashFiles('scripts/toolchain.linux_s390x.sh') }}
+          lookup-only: true
+      - name: Build toolchain
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: ./scripts/toolchain.linux_s390x.sh
+
   build-matrix:
     name: Build
     runs-on: ${{ matrix.os }}
-    needs: [generate_grammar, aarch64-linux-musl]
+    needs: [generate_grammar, aarch64-linux-musl, s390x-linux-musl]
     strategy:
       matrix:
         include:
@@ -204,6 +223,11 @@ jobs:
             container: alpine:3.19
             dbg-strip: aarch64-linux-musl-objcopy --only-keep-debug language_server language_server.dbg && aarch64-linux-musl-objcopy --strip-unneeded language_server && aarch64-linux-musl-objcopy --add-gnu-debuglink=language_server.dbg language_server
             dbg-pattern: build/bin/language_server.dbg
+          - os: ubuntu-22.04
+            native: linux_s390x
+            container: alpine:3.19
+            dbg-strip: s390x-linux-musl-objcopy --only-keep-debug language_server language_server.dbg && s390x-linux-musl-objcopy --strip-unneeded language_server && s390x-linux-musl-objcopy --add-gnu-debuglink=language_server.dbg language_server
+            dbg-pattern: build/bin/language_server.dbg
           - os: ubuntu-22.04
             native: wasm
             container: emscripten/emsdk:3.1.46
@@ -299,6 +323,9 @@ jobs:
           - os: ubuntu-22.04
             native: linux_arm64
             chmod: true
+          - os: ubuntu-22.04
+            native: linux_s390x
+            chmod: true
           - os: windows-2022
             native: win32_x64
             chmod: false
@@ -407,6 +434,11 @@ jobs:
         with:
           name: language_server_linux_arm64
           path: ${{ env.CLIENT_DIR }}/bin/linux_arm64/
+      - name: Download linux language server (s390x)
+        uses: actions/download-artifact@v4
+        with:
+          name: language_server_linux_s390x
+          path: ${{ env.CLIENT_DIR }}/bin/linux_s390x/
       - name: Download wasm language server
         uses: actions/download-artifact@v4
         with:
@@ -432,6 +464,7 @@ jobs:
           chmod +x ${{ env.CLIENT_DIR }}/bin/darwin_arm64/language_server
           chmod +x ${{ env.CLIENT_DIR }}/bin/linux_x64/language_server
           chmod +x ${{ env.CLIENT_DIR }}/bin/linux_arm64/language_server
+          chmod +x ${{ env.CLIENT_DIR }}/bin/linux_s390x/language_server
       - name: NPM CI
         run: npm ci
         working-directory: ${{ env.CLIENT_DIR }}
diff --git a/clients/vscode-hlasmplugin/src/serverFactory.ts b/clients/vscode-hlasmplugin/src/serverFactory.ts
index 0bf1e653c..1257d6e11 100644
--- a/clients/vscode-hlasmplugin/src/serverFactory.ts
+++ b/clients/vscode-hlasmplugin/src/serverFactory.ts
@@ -25,6 +25,7 @@ const supportedNativePlatforms: Readonly<{ [key: string]: string }> = Object.fre
     'win32.arm64': 'win32_arm64',
     'linux.x64': 'linux_x64',
     'linux.arm64': 'linux_arm64',
+    'linux.s390x': 'linux_s390x',
     'darwin.x64': 'darwin_x64',
     'darwin.arm64': 'darwin_arm64',
 });
diff --git a/scripts/config.linux_s390x.sh b/scripts/config.linux_s390x.sh
new file mode 100755
index 000000000..2a2dea4ce
--- /dev/null
+++ b/scripts/config.linux_s390x.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+set -e
+cmake -G Ninja -DCMAKE_SYSTEM_NAME="Linux" -DCMAKE_C_COMPILER="s390x-linux-musl-gcc" -DCMAKE_CXX_COMPILER="s390x-linux-musl-g++" -DCMAKE_BUILD_TYPE=Release -DDISCOVER_TESTS=Off -DCMAKE_EXE_LINKER_FLAGS="-static -Wl,--gc-sections" -DBUILD_VSIX=Off -DUSE_PRE_GENERATED_GRAMMAR="generated_parser" ../
diff --git a/scripts/emulation.linux_s390x.sh b/scripts/emulation.linux_s390x.sh
new file mode 100755
index 000000000..09cccef25
--- /dev/null
+++ b/scripts/emulation.linux_s390x.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+
+set -e
+
+sudo apt-get update
+sudo apt-get install -y qemu-user
+
+mkdir -p bin/linux_x64
+cd bin/linux_x64
+
+echo '#!/usr/bin/env sh' > language_server
+echo 'qemu-s390x "$(dirname "$0")/../linux_arm64/language_server" "$@"' >> language_server
+
+chmod +x language_server
diff --git a/scripts/prereq.linux_s390x.sh b/scripts/prereq.linux_s390x.sh
new file mode 100755
index 000000000..8c9351278
--- /dev/null
+++ b/scripts/prereq.linux_s390x.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+set -e
+apk update && apk add --no-cache git cmake ninja qemu-s390x tar
diff --git a/scripts/test-runner.linux_s390x.sh b/scripts/test-runner.linux_s390x.sh
new file mode 100755
index 000000000..305251202
--- /dev/null
+++ b/scripts/test-runner.linux_s390x.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+set -e
+qemu-s390x $1
diff --git a/scripts/toolchain.linux_s390x.sh b/scripts/toolchain.linux_s390x.sh
new file mode 100755
index 000000000..a7d25073e
--- /dev/null
+++ b/scripts/toolchain.linux_s390x.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env sh
+
+set -e
+
+apk update
+apk add git curl g++ bison make patch tar xz
+
+mkdir /toolchain
+
+git clone https://github.com/richfelker/musl-cross-make.git
+
+cd musl-cross-make
+
+git checkout -f e149c31c48b4f4a4c9349ddf7bc0027b90245afc
+
+echo "TARGET = s390x-linux-musl" >> config.mak
+echo "OUTPUT = /toolchain/" >> config.mak
+echo "BINUTILS_VER = 2.41" >> config.mak
+echo "GCC_VER = 12.3.0" >> config.mak
+echo "DL_CMD = curl -C - -L -o" >> config.mak
+echo "COMMON_CONFIG += CFLAGS=\"-fdata-sections -ffunction-sections -O2 -g0\" CXXFLAGS=\"-fdata-sections -ffunction-sections -O2 -g0\"" >> config.mak
+echo "BINUTILS_CONFIG = --enable-gprofng=no" >> config.mak
+
+echo "85d66f058688db1e18545b6c4cf67ecc83d3b7eb *gcc-12.3.0.tar.xz" > hashes/gcc-12.3.0.tar.xz.sha1
+echo "0e008260a958bbd10182ee3384672ae0a310eece *binutils-2.41.tar.xz" > hashes/binutils-2.41.tar.xz.sha1
+
+mkdir patches/gcc-12.3.0
+cp patches/gcc-11.2.0/0002-posix_memalign.diff patches/gcc-12.3.0/
+
+make -j 8
+make install
+
+cd ..
+
+tar czvf toolchain.tar.gz /toolchain
+