Fix CI

Author: antoyo

.github/workflows/m68k.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - name: Install packages
-      run: sudo apt-get install qemu
+      run: sudo apt-get install qemu qemu-user-static
 
     - uses: actions/checkout@v3
 
@@ -67,6 +67,11 @@ jobs:
     - name: Setup path to libgccjit
       run: |
           sudo dpkg -i gcc-m68k-13.deb
+          echo "*********************"
+          ls /usr/bin
+          echo "*********************"
+          ls /bin
+          echo "*********************"
           ls /lib
           echo "*********************"
           ls /usr/lib
@@ -114,18 +119,32 @@ jobs:
         #path: rust
         #key: ${{ runner.os }}-packages-${{ hashFiles('rust/.git/HEAD') }}
 
+    # TODO: reset cross-gcc config file (i.e. try to revert CT_BINUTILS_V_2_37 to CT_BINUTILS_V_2_38).
     - name: Test build (TODO REMOVE)
       run: |
         cat > main.c <<EOF
+        #include <stdio.h>
         int main(void) {
             printf("Hello, world!");
         }
         EOF
         mkdir vm
         sudo mount debian-m68k.img vm
-        m68k-unknown-linux-gnu-gcc main.c -o vm/home/main
+        m68k-unknown-linux-gnu-gcc main.c -o main
+        sudo cp main vm/home/main
+        sudo cp $(which qemu-m68k-static) vm/usr/bin/
         sudo chroot vm/ qemu-m68k-static /home/main
 
+    - name: Test libgccjit build (TODO REMOVE)
+      run: |
+        export LD_LIBRARY_PATH=/usr/lib
+        export LIBRARY_PATH=/usr/lib
+        cd m68k-test
+        cargo run
+        cd ..
+        sudo mv m68k-test/main-m68k vm/home/
+        sudo chroot vm/ qemu-m68k-static /home/main-m68k
+
     - name: Build
       run: |
         ./y.sh prepare --only-libcore

config.sh

@@ -26,10 +26,11 @@ TARGET_TRIPLE="m68k-unknown-linux-gnu"
 linker=''
 RUN_WRAPPER=''
 if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then
-   if [[ "$TARGET_TRIPLE" == "m68k-unknown-linux-gnu" ]]; then
+   #if [[ "$TARGET_TRIPLE" == "m68k-unknown-linux-gnu" ]]; then
        #TARGET_TRIPLE="mips-unknown-linux-gnu"
-       linker='-Clinker=m68k-linux-gcc'
-   elif [[ "$TARGET_TRIPLE" == "aarch64-unknown-linux-gnu" ]]; then
+       #linker='-Clinker=m68k-linux-gcc'
+   #el
+   if [[ "$TARGET_TRIPLE" == "aarch64-unknown-linux-gnu" ]]; then
       # We are cross-compiling for aarch64. Use the correct linker and run tests in qemu.
       linker='-Clinker=aarch64-linux-gnu-gcc'
       RUN_WRAPPER='qemu-aarch64 -L /usr/aarch64-linux-gnu'

m68k-test/Cargo.lock

@@ -0,0 +1,7 @@
+[package]
+name = "m68k-test"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+gccjit = { git = "https://github.com/antoyo/gccjit.rs" }

m68k-test/Cargo.toml

@@ -0,0 +1,10 @@
+use gccjit::{Context, FunctionType, OutputKind};
+
+fn main() {
+    let context = Context::default();
+    let int_type = context.new_type::<i32>();
+    let function = context.new_function(None, FunctionType::Exported, int_type, &[], "main", false);
+    let block = function.new_block("block");
+    block.end_with_return(None, context.new_rvalue_from_int(int_type, 0));
+    context.compile_to_file(OutputKind::Executable, "main-m68k");
+}

m68k-test/src/main.rs

@@ -101,7 +101,7 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, target_info: Lock
         // TODO(antoyo): only set on x86 platforms.
         //context.add_command_line_option("-masm=intel");
 
-        if !disabled_features.contains("avx") {
+        if !disabled_features.contains("avx") && tcx.sess.target.arch == "x86_64" {
             // NOTE: we always enable AVX because the equivalent of llvm.x86.sse2.cmp.pd in GCC for
             // SSE2 is multiple builtins, so we use the AVX __builtin_ia32_cmppd instead.
             // FIXME(antoyo): use the proper builtins for llvm.x86.sse2.cmp.pd and similar.

src/base.rs

@@ -198,9 +198,16 @@ pub fn check_tied_features(sess: &Session, features: &FxHashMap<&str, bool>) ->
     None
 }
 
+fn arch_to_gcc(name: &str) -> &str {
+    match name {
+        "M68020" => "68020",
+         _ => name,
+    }
+}
+
 fn handle_native(name: &str) -> &str {
     if name != "native" {
-        return name;
+        return arch_to_gcc(name);
     }
 
     #[cfg(feature="master")]