From: Doug Evans <dje@google.com>
To: Mathieu Lacage <mathieu.lacage@gmail.com>, gdb@sourceware.org
Subject: Re: how to make gdb happy with my linkmap
Date: Wed, 07 Jan 2009 16:46:00 -0000 [thread overview]
Message-ID: <e394668d0901070845p4b45892ap6e9cee170d0bda4@mail.gmail.com> (raw)
In-Reply-To: <20090105171315.GA31779@caradoc.them.org>
On Mon, Jan 5, 2009 at 9:13 AM, Daniel Jacobowitz <drow@false.org> wrote:
> On Mon, Jan 05, 2009 at 03:58:39PM +0100, Mathieu Lacage wrote:
>> What I find weird is:
>> 1) mathieu@mathieu-boulot:~/code/elf-loader$ readelf -s ./ldso |grep stage1
>> 225: 00000932 135 FUNC GLOBAL HIDDEN 6 stage1
>> mathieu@mathieu-boulot:~/code/elf-loader$ readelf -l ./ldso
>>
>> Elf file type is DYN (Shared object file)
>> Entry point 0x932
>> There are 6 program headers, starting at offset 52
>> [...]
>>
>> i.e., stage1 is located at offset 0x932, and not 0x944 so, I can't
>> figure out where the 0x944 displayed by gdb is coming from.
>
> That's prologue skipping; it's just walking past the frame setup.
> This helps GDB to display function arguments correctly.
For completeness' sake,
to avoid prologue skipping one can do "b *stage1".
next prev parent reply other threads:[~2009-01-07 16:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-18 21:42 Mathieu Lacage
2008-12-18 21:49 ` Daniel Jacobowitz
2008-12-18 22:03 ` Mathieu Lacage
2008-12-18 22:10 ` Daniel Jacobowitz
2008-12-26 10:40 ` Mathieu Lacage
2008-12-26 12:54 ` Daniel Jacobowitz
2009-01-05 14:58 ` Mathieu Lacage
2009-01-05 17:13 ` Daniel Jacobowitz
2009-01-07 16:46 ` Doug Evans [this message]
2009-01-12 15:08 ` Mathieu Lacage
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