From: Brendan Simon <brendan@dgs.monash.edu.au>
To: Jonathan Larmour <jlarmour@cygnus.co.uk>,
Magnus Damm <eramdam@kieray1.p.y.ki.era.ericsson.se>,
Dan Malek <dmalek@jlc.net>, gdb <gdb@sourceware.cygnus.com>,
binutils <binutils@sourceware.cygnus.com>
Subject: SOLVED: objdump or gdb to force a section to load ?
Date: Thu, 01 Jul 1999 00:00:00 -0000 [thread overview]
Message-ID: <376996F2.1F150FCF@dgs.monash.edu.au> (raw)
In-Reply-To: <37699391.2CF83050@cygnus.co.uk>
I think I've solved the "load" flag problem. I can't confirm it on my target but
objdump seems to report the right things.
Jonathan Larmour wrote:
> Try changing this to:
>
> $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
> --add-section=image=../coffboot/vmlinux.gz \
> --set-section-flags=image=load,data \
> --adjust-section-vma=image=????
> zvmlinux.tmp $@
>
> Choose an appropriate ???? - read the objcopy man page for details of this
> arg. And when you have something working, recommend the ppc-linux folks
> making the same change to the main makefiles since I believe it should be
> harmless for normal usage (although you may want to verify).
I tried something similar before I got your email. I thought that objcopy might be
doing something funny because the vma was zero.
objcopy --adjust-section-vma=image=0x00100000 tempImage relocImage
objcopy --set-section-flags=image=load
This still does not work. I can however set some other attributes such as READONLY.
I tried a few combinations and found that
"--set-section-flags=image=load,alloc,readonly" does work even thought it complains
with "BFD: sta00639: warning: allocated section `image' not in segment". I then
tried the same options on the original file (with out any section vma offsets) and it
also worked. I guess it was just a matter of finding the right combinations of flags
and putting them in the right order. HOPEFULLY gdb will now load the image section
but I wont be able to confirm this until I get home tonight.
Thanks for your help.
Brendan Simon.
next prev parent reply other threads:[~1999-07-01 0:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-07-01 0:00 Using objdump to force a section to load with gdb Brendan Simon
1999-07-01 0:00 ` Ian Lance Taylor
1999-07-01 0:00 ` Brendan Simon
1999-07-01 0:00 ` Ian Lance Taylor
1999-07-01 0:00 ` objdump or gdb to force a section to load ? Brendan Simon
1999-07-01 0:00 ` Jonathan Larmour
[not found] ` <376981EF.BE10D7C8@dgs.monash.edu.au>
[not found] ` <37699391.2CF83050@cygnus.co.uk>
1999-07-01 0:00 ` Brendan Simon [this message]
1999-07-01 0:00 ` SOLVED: " Ian Lance Taylor
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