make runtime compatible with wasm

runtime/internal/clite/setjmp/jmpbuf_darwin_amd64.go

@@ -0,0 +1,6 @@
+package setjmp
+
+const (
+	SigjmpBufSize = 196
+	JmpBufSize    = 192
+)

runtime/internal/clite/setjmp/jmpbuf_darwin_arm64.go

@@ -0,0 +1,6 @@
+package setjmp
+
+const (
+	SigjmpBufSize = 196
+	JmpBufSize    = 192
+)

runtime/internal/clite/setjmp/jmpbuf_linux_amd64.go

@@ -0,0 +1,8 @@
+//go:build !darwin
+
+package setjmp
+
+const (
+	SigjmpBufSize = 200
+	JmpBufSize    = 200
+)

runtime/internal/clite/setjmp/jmpbuf_linux_arm64.go

@@ -0,0 +1,6 @@
+package setjmp
+
+const (
+	SigjmpBufSize = 312
+	JmpBufSize    = 312
+)

runtime/internal/clite/setjmp/jmpbuf_other.go

@@ -0,0 +1,8 @@
+//go:build !((linux || darwin) && (amd64 || arm64))
+
+package setjmp
+
+const (
+	SigjmpBufSize = 200
+	JmpBufSize    = 200
+)

runtime/internal/clite/setjmp/setjmp.go

@@ -0,0 +1,47 @@
+/*
+ * 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 setjmp
+
+import (
+	_ "unsafe"
+
+	c "github.com/goplus/llgo/runtime/internal/clite"
+)
+
+const (
+	LLGoPackage = "decl"
+)
+
+type (
+	SigjmpBuf [SigjmpBufSize]byte
+	JmpBuf    [JmpBufSize]byte
+)
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Setjmp C.setjmp
+func Setjmp(env *JmpBuf) c.Int
+
+//go:linkname Longjmp C.longjmp
+func Longjmp(env *JmpBuf, val c.Int)
+
+// -----------------------------------------------------------------------------
+
+//go:linkname Siglongjmp C.siglongjmp
+func Siglongjmp(env *SigjmpBuf, val c.Int)
+
+// -----------------------------------------------------------------------------