patch runtime, sync (use llgo:skipall)

cl/_testlibgo/atomic/in.go

@@ -6,6 +6,5 @@ import (
 
 func main() {
 	var v int64 = 100
-	atomic.AddInt64(&v, 1)
-	println(v)
+	println(atomic.AddInt64(&v, 1))
 }

cl/_testlibgo/atomic/out.ll

@@ -0,0 +1,46 @@
+; ModuleID = 'main'
+source_filename = "main"
+
+@"main.init$guard" = global i1 false, align 1
+@__llgo_argc = global i32 0, align 4
+@__llgo_argv = global ptr null, align 8
+
+define void @main.init() {
+_llgo_0:
+  %0 = load i1, ptr @"main.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"main.init$guard", align 1
+  call void @"sync/atomic.init"()
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define i32 @main(i32 %0, ptr %1) {
+_llgo_0:
+  store i32 %0, ptr @__llgo_argc, align 4
+  store ptr %1, ptr @__llgo_argv, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
+  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 8)
+  store i64 100, ptr %2, align 4
+  %3 = call i64 @"sync/atomic.AddInt64"(ptr %2, i64 1)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %3)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  ret i32 0
+}
+
+declare void @"sync/atomic.init"()
+
+declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
+
+declare i64 @"sync/atomic.AddInt64"(ptr, i64)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)

cl/compile.go

@@ -96,23 +96,12 @@ func ignoreName(name string) bool {
 		return true
 	}
 	*/
-	if strings.HasPrefix(name, "internal/") || strings.HasPrefix(name, "crypto/") ||
+	return strings.HasPrefix(name, "internal/") || strings.HasPrefix(name, "crypto/") ||
 		strings.HasPrefix(name, "arena.") || strings.HasPrefix(name, "maps.") ||
 		strings.HasPrefix(name, "time.") || strings.HasPrefix(name, "syscall.") ||
 		strings.HasPrefix(name, "os.") || strings.HasPrefix(name, "plugin.") ||
 		strings.HasPrefix(name, "reflect.") || strings.HasPrefix(name, "errors.") ||
-		strings.HasPrefix(name, "sync.") {
-		return true // TODO(xsw)
-	}
-	return inPkg(name, "runtime")
-}
-
-func inPkg(name, pkg string) bool {
-	if len(name) > len(pkg) && strings.HasPrefix(name, pkg) {
-		c := name[len(pkg)]
-		return c == '.' || c == '/'
-	}
-	return false
+		strings.HasPrefix(name, "runtime/")
 }
 
 // -----------------------------------------------------------------------------

internal/build/build.go

@@ -399,7 +399,7 @@ func buildPkg(prog llssa.Program, aPkg *aPackage, mode Mode, verbose bool) {
 
 func canSkipToBuild(pkgPath string) bool {
 	switch pkgPath {
-	case "unsafe", "runtime", "errors", "sync":
+	case "unsafe", "errors":
 		return true
 	default:
 		return strings.HasPrefix(pkgPath, "internal/") ||
@@ -419,7 +419,9 @@ type none struct{}
 
 var hasAltPkg = map[string]none{
 	"math":        {},
+	"sync":        {},
 	"sync/atomic": {},
+	"runtime":     {},
 }
 
 type importer = func(pkgPath string) *packages.Package

internal/lib/runtime/runtime.go

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package runtime
+
+// llgo:skipall
+import (
+	_ "unsafe"
+)

internal/lib/sync/atomic/atomic.go

@@ -16,7 +16,6 @@
 
 package atomic
 
-// llgo:skipall
 import (
 	_ "unsafe"
 )

internal/lib/sync/sync.go

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sync
+
+// llgo:skipall
+import (
+	_ "unsafe"
+)