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Revert merge of r360861:

Authored by dim on Jul 9 2019, 12:14 PM.

Description

Revert merge of r360861:


r360861 | mstorsjo | 2019-05-15 23:49:13 -0700 (Wed, 15 May 2019) | 13 lines

[PPC64][libunwind] Fix r2 not properly restored

This change makes each unwind step inspect the instruction at the
return address and, if needed, read r2 from its saved location and
modify the context appropriately.

The unwind logic is able to handle both ELFv1 and ELFv2 stacks.

Reported by Bug 41050

Patch by Leandro Lupori!

Differential Revision: https://reviews.llvm.org/D59694

llvm-svn: 365539

Details

Committed
dimJul 9 2019, 12:14 PM
Differential Revision
D59694: [PPC64][libunwind] Fix r2 not properly restored
Parents
rG180a937d9a66: Merging r354633:
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