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55 lines
1.0 KiB
Plaintext
55 lines
1.0 KiB
Plaintext
4 years ago
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garble build -buildmode=plugin ./plugin
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binsubstr plugin.so 'PublicVar' 'PublicFunc'
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! binsubstr plugin.so 'privateFunc'
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# Note that we need -trimpath; see the caveat section in the README.
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go build -trimpath
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exec ./main
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cmp stdout main.stdout
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binsubstr main$exe 'PublicVar' 'PublicFunc'
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! binsubstr plugin.so 'privateFunc'
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[short] stop # no need to verify this with -short
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go build -buildmode=plugin ./plugin
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binsubstr plugin.so 'PublicVar' 'PublicFunc' 'privateFunc'
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go build
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exec ./main
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cmp stdout main.stdout
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-- go.mod --
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module test/main
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-- plugin/main.go --
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package main
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import "fmt"
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var PublicVar int
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func privateFunc(n int) { fmt.Printf("Hello, number %d\n", n) }
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func PublicFunc() { privateFunc(PublicVar) }
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-- main.go --
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package main
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import "plugin"
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func main() {
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p, err := plugin.Open("plugin.so")
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if err != nil {
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panic(err)
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}
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v, err := p.Lookup("PublicVar")
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if err != nil {
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panic(err)
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}
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f, err := p.Lookup("PublicFunc")
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if err != nil {
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panic(err)
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}
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*v.(*int) = 7
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f.(func())()
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}
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-- main.stdout --
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Hello, number 7
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