Re: [Fastboot] [PATCH]IA64 kexec/kdump patch for INIT

Andreas Schwab
2006-09-07T16:44:30Z

"Luck, Tony" <tony.luck@intel.com> writes:

> But looking before that instruction r37 is a copy of r39 (mov r37=r39).
> r39 was calculated by "addl r39=0,r1" i.e. r1+0, also known as "r1".

0 is modified by the result of the GOT relocation for __gp.

> and put it in head.S to bypass this "cleverness" by gcc and

__gp has no special meaning for gcc. It's just another global variable.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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