August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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The Go assembler
This section will briefly talk about the assembly language and the Go assembler, which is a Go tool that allows you to see the assembly language used by the Go compiler.
As an example, you can see the assembly language of the goEnv.go program you saw in the previous section of this chapter by executing the next command:
$ GOOS=darwin GOARCH=amd64 go tool compile -S goEnv.go
The value of the GOOS variable defines the name of the target operating system whereas the value of the GOARCH variable defines the compilation architecture. The preceding command was executed on a macOS Mojave machine, hence the use of the darwin value for the GOOS variable.
The output of the previous command is pretty large even for a small program ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.