From: "Robert Bu" <robert.bu@gmail.com>
To: msnyder@specifix.com
Cc: gdb@sourceware.org
Subject: Re: It takes a long time to disassemble some instructions for remote target
Date: Tue, 20 Nov 2007 06:46:00 -0000 [thread overview]
Message-ID: <a0319f700711192246y258f99d9g2dd9b9aebf80c579@mail.gmail.com> (raw)
> On Wed, 2007-11-14 at 16:39 +0800, Robert Bu wrote:
>> Hello all,
>>
>> When I try to disassemble a range of instructions, for example from
>> PC1 to PC2, GDB tries to fetch and disassemble the instructions one by
>> one. This may not be a problem for native debugging, or for remote
>> debugging with high connection speed. However, it takes some long time
>> for a not so fast serial connection, since GDB fetches one instruction
>> at a time, which results in a lot of 'm' packets.
>> Is that possible for GDB to fetch all instructions back for one time
>> with just one(maybe more than one, but now a lot of) 'm' packet, and
>> disassemble them locally one by one?
>
> My friend, I have just the thing you need!
> It slices! It dices! It prevents gdb from
> needlessly fetching memory from text sections!
>
> All ya gotta do is type "set trust-readonly"!
> And if ya don't trust me (but who am I kidding,
> EVERYBODY trusts a carny!), you can just type
> "help set trust-readonly" and read all about it
> yourself!
>
This option does not work in GDB 6.4. However it works in GDB 6.6. Quite
strange!
next reply other threads:[~2007-11-20 6:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-20 6:46 Robert Bu [this message]
2007-11-20 12:17 ` Michael Snyder
-- strict thread matches above, loose matches on Subject: below --
2007-11-15 2:43 Robert Bu
2007-11-14 8:40 Robert Bu
2007-11-14 11:53 ` Michael Snyder
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