[chore] Update gin to v1.9.0 (#1553)

vendor/github.com/bytedance/sonic/internal/jit/runtime.go

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2021 ByteDance Inc.
+ *
+ * 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 jit
+
+import (
+    `reflect`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/rt`
+    `github.com/twitchyliquid64/golang-asm/obj`
+)
+
+//go:noescape
+//go:linkname getitab runtime.getitab
+//goland:noinspection ALL
+func getitab(inter *rt.GoType, typ *rt.GoType, canfail bool) *rt.GoItab
+
+func Func(f interface{}) obj.Addr {
+    if p := rt.UnpackEface(f); p.Type.Kind() != reflect.Func {
+        panic("f is not a function")
+    } else {
+        return Imm(*(*int64)(p.Value))
+    }
+}
+
+func Type(t reflect.Type) obj.Addr {
+    return Gtype(rt.UnpackType(t))
+}
+
+func Itab(i *rt.GoType, t reflect.Type) obj.Addr {
+    return Imm(int64(uintptr(unsafe.Pointer(getitab(i, rt.UnpackType(t), false)))))
+}
+
+func Gitab(i *rt.GoItab) obj.Addr {
+    return Imm(int64(uintptr(unsafe.Pointer(i))))
+}
+
+func Gtype(t *rt.GoType) obj.Addr {
+    return Imm(int64(uintptr(unsafe.Pointer(t))))
+}