I'm trying to play with go:linkname, and I wrote a demo for this.
directory structure:
[test]$ tree
.
├── main.go
├── pri
│ └── a.go
└── pub
├── issue15006.s
└── b.go
a.go:
package pri
import (
"fmt"
)
func rua() int64 {
fmt.Println("rua in pri")
return 1
}
b.go:
package pub
import (
"unsafe"
)
var _ = unsafe.Sizeof(0)
//go:noescape
//go:linkname rua test/pri.rua
func rua() int64
func Rua() int64 {
return rua()
}
main.go:
package main
import (
"test/pub"
)
func main() {
println(pub.Rua())
}
issue15006.s is a workaround for issue 15006
<https://github.com/golang/go/issues/15006> and it's totally empty.
Than I ran `go run main.go` and got an error:
# command-line-arguments
test/pub.Rua: test/pri.rua: not defined
test/pub.Rua: undefined: test/pri.rua
So what's wrong with this demo?
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