PT_TEXT_ADDR on ARM

Andreas Schwab schwab@redhat.com
Fri Aug 20 09:06:00 GMT 2010


Simon Richter <Simon.Richter@hogyros.de> writes:

> I'd like to prepare a patch that ideally fixes both 2.4 uClinux and 2.6
> uClinux (normal Linux doesn't really need the offsets). Should I
>
>  a) check the kernel version
>  b) try 0x10000 first, if it returns zero, use the value from 0xc4
>  c) use 0x10000 only?

I wonder how 0x10000 can actually work.  I'm pretty sure that
sizeof(struct user) < 0x10000, so this would always return EIO
(according to arch/arm/kernel/ptrace.c:ptrace_read_user).

Andreas.

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Andreas Schwab, schwab@redhat.com
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