dlv does not work when app uses plugin

[troian]

Trying to debug an app that uses Go plugins and looks like it is not compatible mode

Please answer the following before submitting your issue:

dlv --listen=localhost:51140 --headless=true --api-version=2 --backend=lldb exec ./plugins_test could not launch process: decoding dwarf section info at offset 0x0: too short

1. What version of Delve are you using (dlv version)?
   Delve Debugger
   Version: 1.0.0
   Build: v1.0.0
2. What version of Go are you using? (go version)?
   go version go1.10 darwin/amd64
3. What operating system and processor architecture are you using?
   macOS High Sierra
4. What did you do?
   debug an application that uses plugins
5. What did you expect to see?
   can debug the app
6. What did you see instead?
   the debugger stops due to error

Example used

plugin/plugin.go
package main import "fmt" var V int func F() { fmt.Printf("Hello, number %d\n", V) }
build as
go build -buildmode=plugin

main.go

`
package main

import "plugin"

func main() {
p, err := plugin.Open("plugin/plugin.so")
if err != nil {
panic(err)
}
v, err := p.Lookup("V")
if err != nil {
panic(err)
}
f, err := p.Lookup("F")
if err != nil {
panic(err)
}
*v.(*int) = 7
f.(func())()
}
`

[dlsniper]

Duplicate of #865

[aarzilli]

Actually, duplicate of golang/go#23733, it would be a duplicate of #865 if it was still possible to implement support for plugins.