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Re: [gold, strip] Question about the changed offset when stripping
- From: Cary Coutant <ccoutant at google dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Alexander Ivchenko <aivchenk at gmail dot com>, binutils <binutils at sourceware dot org>, Ian Lance Taylor <iant at google dot com>
- Date: Mon, 9 Dec 2013 09:43:00 -0800
- Subject: Re: [gold, strip] Question about the changed offset when stripping
- Authentication-results: sourceware.org; auth=none
- References: <CACysShjNGcO=Y5ZU=QDLWetw31FRZUu7ZYbvo2DyJWZ+eOZZ2Q at mail dot gmail dot com> <20131129134722 dot GN9211 at bubble dot grove dot modra dot org> <CAHACq4qbwykqOcTjuQovsqoE0d2dC4FAAtfZOxr=0XrYsViJqw at mail dot gmail dot com> <20131203100957 dot GA3306 at bubble dot grove dot modra dot org> <CACysShi4sKtg_R6RAhGmgKs0qRuvbsU3fLpC-Hz27YMy-sGtrA at mail dot gmail dot com> <20131203112323 dot GC3306 at bubble dot grove dot modra dot org> <CACysShiAr=iLP2Ju2dWsubV5USXxDhQitmydvRfC2=b07Fp7hA at mail dot gmail dot com> <CACysShiCkBdFOx233aBu02esXboe0dBTgf92grxUoEWRbNgUDQ at mail dot gmail dot com> <CACysShjJS8sYZsPO3e8NL6ZTYXFmgiRTGNg=g_B4a8XDkaMXLw at mail dot gmail dot com> <CAMe9rOq7f6dh3zMSYR5xNFt=33SuiReL=WEHcGL3sGHK4Rxmtg at mail dot gmail dot com>
This sounds related to PR gdb/11786:
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
-cary
On Mon, Dec 9, 2013 at 8:04 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Mon, Dec 9, 2013 at 4:44 AM, Alexander Ivchenko <aivchenk@gmail.com> wrote:
>>> However, after updating to gdbserver 7.6 I was able to load the debug
>>> info.. Also if I firstly just objcopy the linked binary (thus, erasing
>>> the padding between .got.plt and .bss) and then strip
>>
>> sorry: I've accidentally sent it before finishing. I meant that if I
>> firstly objcopy the linked binary (thus, erasing
>> the padding between .got.plt and .bss) and then strip it, then
>> gdbserver<->gdb are successfully loading the debug info even for
>> gdbserver < 7.6.
>> That's cause in this case the addresses of all remained sections in
>> stripped and not stripped binaries are the same.
>>
>
> Please open a bug report with a testcase to show
> the actual problem with GDB. I will take a look.
>
> Thanks.
>
> --
> H.J.