On 11/10/13 10:10, Phi Debian wrote:
> Hi All,
> 
> I implemented guest-dump-memory for arm32, and bumped in something
> strange, the PT_LOADs generated from dump.c are not target page
> aligned. There are some advantage to get PT_LOAD aligned.
> 
> This mail is to ask advise about patch I could submit later if wanted.
> 
> Would it be desirable to get the PT_LOAD aligned on target page size
> always, for all arch ?

Can you please explain the problem in more detail? Preferably
illustrated by "readelf" output.

Is it about the placement of the PT_LOAD entries in the core file (eg.
their distance of the beginning of the file, or some such), or about the
contents of the PT_LOAD entries? (Ie. the target-phys ranges they
describe and where those are located in the core file.)

Thanks
Laszlo

> If so I could fix dump.c, but may be people using dump-guest-memory on
> existing current implementation may object, dunno if some of there
> tools (debuggers) are dependent of the non aligned current setup (gdb
> would nt complain)
> 
> If not wanted for existing arch (s390, ppc, i386), may be I could do
> it for arm only.
> 
> Or ultimatly may be this is not wanted at all, in this case I keep my
> dumper for myself :)
> 
> Cheers,
> Phi
> 


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