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To: gdb-patches@sourceware.org
Cc: Ulrich Weigand <uweigand@de.ibm.com>, 	  Pedro Alves <pedro_alves@portugalmail.pt>
Subject: Re: [rfc] Shared libraries over the remote protocol, take two
References: <20070618150211.GA23415@caradoc.them.org>
From: Jim Blandy <jimb@codesourcery.com>
Date: Mon, 18 Jun 2007 19:32:00 -0000
In-Reply-To: <20070618150211.GA23415@caradoc.them.org> (Daniel Jacobowitz's message of "Mon, 18 Jun 2007 11:02:11 -0400")
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Daniel Jacobowitz <drow@false.org> writes:
> Here is a new attempt at remote shared library events.  The major
> protocol changes since last time are the elimination of load/unload
> events (just query the whole list again), the use of target objects
> (so that this can be used more easily for other targets, like AIX)
> , and the use XML (because I had to both escape the entire message
> and then the library name - my rule of thumb is that when I need to
> invent a new way to escape special characters, I should probably use
> XML, since it offers a standard way to do that "for free").
>
> I have tested this on native Windows and using a Windows gdbserver,
> both with the patch coming up next.  It seems to work fine.  It's also
> much simpler to explain how it works, and about half the lines of code
> of the previous version.

With the following DTD:

    <!-- library-list: Root element with versioning -->
    <!ELEMENT library-list  (library)*>
    <!ATTLIST library-list  version CDATA   #FIXED  "1.0">
    <!ELEMENT library       (segment)*>
    <!ATTLIST library       name    CDATA   #REQUIRED>
    <!ELEMENT segment       EMPTY>
    <!ATTLIST segment       address CDATA   #REQUIRED>

there's no way to have several segments at different offsets, because
segments aren't allowed to have names.  Shouldn't segments have a name
attribute?