From: Daniel Jacobowitz <drow@false.org>
To: Kevin Buettner <kevinb@redhat.com>
Cc: gdb-patches@sourceware.org, luisgpm@linux.vnet.ibm.com
Subject: Re: [RFC] PPC: Skip call to __eabi in main()
Date: Thu, 07 Aug 2008 14:04:00 -0000 [thread overview]
Message-ID: <20080807140339.GA12607@caradoc.them.org> (raw)
In-Reply-To: <20080806174037.7cfe6445@mesquite.lan>
On Wed, Aug 06, 2008 at 05:40:37PM -0700, Kevin Buettner wrote:
> With regard to my patch, I'd prefer to commit it in its present form
> and then address improvements to PowerPC instruction decoding at a
> later time. I considered using my preferred approach when I adjusted
> my patch, but decided against doing so because a different approach
> (that of using explicit masks and comparisons) was already in use.
I think this is reasonable.
> FWIW, this isn't the only approach that I find compelling. I recently
> worked on a port which utilizes the instruction decoder in opcodes/.
> This decoder is also used for the disassembler and simulator. It
> completely decodes the instruction, returning a symbolic (via enums)
> opcodes, and completely decoded instruction offsets, registers, etc.
I wish other ports provided enough detail in libopcodes to do this!
It's an excellent approach.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2008-08-07 14:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-21 22:54 Kevin Buettner
2008-07-22 4:45 ` Thiago Jung Bauermann
2008-07-23 1:13 ` Kevin Buettner
2008-07-29 0:22 ` Kevin Buettner
2008-08-01 18:46 ` Luis Machado
2008-08-07 0:42 ` Kevin Buettner
2008-08-07 14:04 ` Daniel Jacobowitz [this message]
2008-08-07 15:14 ` Luis Machado
2008-08-12 0:30 ` Kevin Buettner
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