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[PowerPC] Add ROP Protection to prologue and epilogue

Authored by stefanp on May 13 2021, 7:58 AM.

Description

[PowerPC] Add ROP Protection to prologue and epilogue

Added hashst to the prologue and hashchk to the epilogue.
The hash for the prologue and epilogue must always be stored as the first
element in the local variable space on the stack.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D99377

Details

Committed
stefanpMay 13 2021, 10:54 AM
Reviewer
Restricted Project
Differential Revision
D99377: [PowerPC] Add ROP Protection to prologue and epilogue
Parents
rG50e0b2985e43: [flang] Implement DOT_PRODUCT in the runtime
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