[Crash-utility] Re: [PATCH][RFC] dump-core: PFN-GMFN table and ELF formatify (was Re: [Xen-devel] xc_get_pfn_list() creates broken core files)

[John Levon]

On Thu, Jan 18, 2007 at 10:41:10AM +0900, Isaku Yamahata wrote:

> > > I followed the way creating process core file and linux kernel dump file.
> > > Process core file and linux kernel dump file use only program headers.
> > But in both of those cases we have access to meaningful virtual address
> > maps, which isn't true here (or certainly not trivially true!)
> 
> In xen dump-core file, (pseudo) physical address(phdr.p_paddr) is true.
> This seems reasonable.

Sure, but it's strictly duplicated information, and to get less than one
phdr per page you've got to do a load of coalescing, which seems way
more complicated than using sections :)

regards
john