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doc/debugging_with_gdb: mention how to disable gc optimization

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R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6353055
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Shenghou Ma 2012-07-03 12:50:03 -04:00
parent 7b6541a593
commit d9c4cef670
1 changed files with 8 additions and 0 deletions
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doc/debugging_with_gdb.html
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@ -23,6 +23,14 @@ Pass the <code>'-s'</code> flag to the linker to omit the debug information
(for example, <code>go build -ldflags "-s" prog.go</code>).
</p>
<p>
The code generated by the <code>gc</code> compiler includes inlining of
function invocations and registerization of variables. These optimizations
can sometimes make debugging with <code>gdb</code> harder. To disable them
when debugging, pass the flags <code>-gcflags "-N -l"</code> to the
<a href="/cmd/go"><code>go</code></a> command used to build the code being
debugged.
</p>
<h3 id="Common_Operations">Common Operations</h3>