build flag.
  On 64-bit ARM-based macOS (the <code>darwin/arm64</code> port),
  the Go toolchain already generates PIE by default.
</p>
<p><!-- go.dev/issue/64207 -->
  Go 1.22 is the last release that will run on macOS 10.15 Catalina. Go 1.23 will require macOS 11 Big Sur or later.
</p>

<h3 id="arm">Arm</h3>
<p><!-- CL 514907 -->

<p>
It is impractical to list all the instructions and other details for each machine.
To see what instructions are defined for a given machine, say ARM,
look in the source for the <code>obj</code> support library for
that architecture, located in the directory <code>src/cmd/internal/obj/arm</code>.
In that directory is a file <code>a.out.go</code>; it contains
a long list of constants starting with <code>A</code>, like this:
</p>