mv x/<tool> => xtool/<tool>

xtool/env/llvm/llvm.go

@@ -0,0 +1,45 @@
+/*
+ * 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 llvm
+
+import (
+	"os"
+
+	"github.com/goplus/llgo/xtool/nm"
+)
+
+type Env struct {
+	root     string
+	nmprefix string
+}
+
+func New() *Env {
+	var nmprefix string
+	var root = os.Getenv("LLGO_LLVM_ROOT")
+	if root != "" {
+		nmprefix = root + "/bin/llvm-"
+	}
+	return &Env{root, nmprefix}
+}
+
+func (p *Env) Root() string {
+	return p.root
+}
+
+func (p *Env) Nm() *nm.Cmd {
+	return nm.New(p.nmprefix + "nm")
+}