On Apr 9, 2008, at 9:25 PM, Paul Mackerras wrote:
Kumar Gala writes:
So now we can look at the vmlinux and determine the physical offset.
The question is how best to do that. Here are the options I see:
* readelf, grep and parse output
* objdump grep and parse output
* simple C program that read's the elf and reports back
Either readelf or objdump for now, and if that proves to be fragile we
can look at a C program. You could do:
readelf -l $vmlinux | grep -m 1 LOAD | awk '{print $4}'
or
objdump -p $vmlinux | grep -m 1 LOAD | awk '{print $7}'
There's not a lot of difference. Since the wrapper already uses
objdump, I think we should use objdump rather than making the wrapper
depend on an additional program (readelf).
The other questions is if we'd ever have a vmlinux with more than one
PT_LOAD PHDR. If so which one do we use (the one with the lowest
physical address)?
I think we would take the first one.
Ok. I've reworked this patch and sent in the new patch series.
- k
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