musl - PowerPC Port: Question about magic numbers in sigsetjmp.s

Message-ID: <1462038919.2011.12.camel@mail.com>
Date: Sat, 30 Apr 2016 12:55:19 -0500
From: Dan Parrot <dan.parrot@...l.com>
To: musl@...ts.openwall.com
Subject: PowerPC Port: Question about magic numbers in sigsetjmp.s

I'm trying to modify the PowerPC port in order to run it on a 64-bit
Little Endian system. I haven't been able to get pthreads to pass the
tests in libc-testsuite and I believe the culprit to be sigsetjmp.s.

I would be grateful for an explanation of the offsets added to register
3 in these two lines in sigsetjmp.s:

stw 5, 448(3)
stw 16, 448+4+8(3)

Thanks.
Dan.

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