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Can go tool compile run in module-aware mode? #32139

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xujintao opened this issue May 19, 2019 · 3 comments
Closed

Can go tool compile run in module-aware mode? #32139

xujintao opened this issue May 19, 2019 · 3 comments
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@xujintao
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go version: 1.12

What did you do?

go.mod

module github.com/user/foo

main.go

package main

import "github.com/user/foo/bar"
func main() {
	bar.Hello()
}

bar/bar.go

package bar

func Hello() {
	println(1)
}

# go tool compile -S -l main.go &> main.s

What did you expect to see?

The golang assembly of main.go

What did you see instead?

main.go:3:8: can't find import: "github.com/user/foo/bar"
@ALTree
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ALTree commented May 19, 2019

The answer is no.

The compile tool is a rather low-level command. From its doc:

Compile, typically invoked as “go tool compile,” compiles a single Go
package comprising the files named on the command line. It then writes a
single object file named for the basename of the first source file with a .o
suffix.

It doesn't know how to find and link multiple packages. build does.

Closing here.

@ALTree ALTree closed this as completed May 19, 2019
@ALTree
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ALTree commented May 19, 2019 •
edited

As a side note, you can use the -S flag with go build, like this:

$ go build -gcflags=-S main.go

If what you need is to disassemble from go build.

@xujintao
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Thanks, go build works.

@golang golang locked and limited conversation to collaborators May 18, 2020
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@ALTree @xujintao @gopherbot