golang x 代码
文件路径：/src/cmd/link/internal/ld/testdata/issue39256/x.go
/ Copyright 2020 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package main
import (
_ "unsafe"
)
/go:cgo_import_dynamic libc_getpid getpid "libc.so"
/go:cgo_import_dynamic libc_kill kill "libc.so"
/go:cgo_import_dynamic libc_close close "libc.so"
/go:cgo_import_dynamic libc_open open "libc.so"
/go:cgo_import_dynamic _ _ "libc.so"
func trampoline()
func main() {
trampoline()
}