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| author | Shenghou Ma <minux.ma@gmail.com> | 2012-07-03 12:50:03 -0400 |
|---|---|---|
| committer | Shenghou Ma <minux.ma@gmail.com> | 2012-07-03 12:50:03 -0400 |
| commit | d9c4cef67050791892511d1c2cb653dbcb15204c (patch) | |
| tree | a0f31a42b5f161e3e35450dcf15374bcc5798b36 | |
| parent | 7b6541a5932d72781e215b2e8e77928ec7ef6839 (diff) | |
| download | go-git-d9c4cef67050791892511d1c2cb653dbcb15204c.tar.gz | |
doc/debugging_with_gdb: mention how to disable gc optimization
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6353055
| -rw-r--r-- | doc/debugging_with_gdb.html | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/debugging_with_gdb.html b/doc/debugging_with_gdb.html index b2683913fc..6b1e2536e0 100644 --- a/doc/debugging_with_gdb.html +++ b/doc/debugging_with_gdb.html @@ -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> |