From: Andrew Cagney <ac131313@cygnus.com>
To: Jim Blandy <jimb@cygnus.com>
Cc: Kevin Buettner <kevinb@redhat.com>, gdb-patches@sources.redhat.com
Subject: Re: RFA: Do solib address arithmetic with appropriate truncation
Date: Wed, 06 Feb 2002 11:41:00 -0000 [thread overview]
Message-ID: <3C6186D6.8090605@cygnus.com> (raw)
In-Reply-To: <nppu3ijtok.fsf@zwingli.cygnus.com>
> Andrew Cagney <ac131313@cygnus.com> writes:
>
>> Assuming a 32 bit MIPS section header and offset:
>>
>> 0x70000000
>> 0x20000000
>> ----------
>> 0x90000000 -> 0xffffffff90000000
>
>
> Okay, thanks.
>
> Now, on such a system --- 32 bit MIPS section headers and 32-bit
> pointers --- where will a value like 0xffffffff90000000 ever actually
> appear *on the target*? That is, why isn't this sign extension just a
> figment of GDB's imagination?
It will appear in the target's 64 bit registers.
Andrew
next prev parent reply other threads:[~2002-02-06 19:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-02 17:29 Jim Blandy
2002-02-03 10:24 ` Andrew Cagney
2002-02-04 8:15 ` Kevin Buettner
2002-02-04 9:01 ` Andrew Cagney
2002-02-05 16:07 ` Jim Blandy
2002-02-05 16:39 ` Andrew Cagney
2002-02-06 11:27 ` Jim Blandy
2002-02-06 11:41 ` Andrew Cagney [this message]
2002-02-06 14:12 ` Daniel Jacobowitz
2002-02-03 23:09 ` Kevin Buettner
2002-02-05 15:30 ` Jim Blandy
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