CVS log for src/include/tib.h

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Default branch: MAIN
Current tag: OPENBSD_7_0

Revision 1.8 / (download) - annotate - [select for diffs], Tue Jul 14 16:48:13 2020 UTC (3 years, 10 months ago) by kettenis
Branch: MAIN
CVS Tags: OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8
Changes since 1.7: +6 -1 lines
Diff to previous 1.7 (colored)

Fix TIB/TCB on powerpc64.  Some bright sould decided that the TCB should
be 8 bytes in the 64-bit ABI just like in the 32-bit ABI.  But that means
there is no "spare" word in the TCB that we can use to store a pointer
to our struct pthread.  So we have to treat powerpc64 special.

Also recognize that the thread pointer points 0x7000 bytes after the TCB.
Since the TCB is 8 bytes this means that TCB_OFFSET should be 0x7008.

Pointed out by guenther@; ok deraadt@

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