From: Simon Marchi <simon.marchi@polymtl.ca>
To: vijay nag <vijunag@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: amd64 executable debugging
Date: Sun, 25 Mar 2018 11:35:00 -0000 [thread overview]
Message-ID: <539c444d3268164c30b79f59c5c935bb@polymtl.ca> (raw)
In-Reply-To: <CAKhyrx_xhoEUrS8WQGdB3+a_Mrxsjh3APhD5WfAHtx8z+gHCFA@mail.gmail.com>
On 2018-03-25 02:04, vijay nag wrote:
> I mean the executable was built with -O2. The question is has GDB
> somehow
> managed to fix this problem on optimized binaries ?
If GDB says the value is optimized out, it's probably because it's
really not available. However, if you are able to find the value by
unwinding by hand, it could mean that the DWARF information output by
the compiler could be enhanced so that debuggers are able to find it as
well.
Simon
prev parent reply other threads:[~2018-03-25 11:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
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2018-03-24 13:14 ` vijay nag
2018-03-24 17:03 ` Simon Marchi
2018-03-25 6:02 ` vijay nag
2018-03-25 6:04 ` vijay nag
2018-03-25 11:35 ` Simon Marchi [this message]
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