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| author | Luke Cheeseman <luke.cheeseman@arm.com> | 2018-09-24 15:55:35 +0000 |
|---|---|---|
| committer | Luke Cheeseman <luke.cheeseman@arm.com> | 2018-09-24 15:55:35 +0000 |
| commit | 8284b19c76a7bafdf4e53b3deb6cd35fcd370e92 (patch) | |
| tree | 591a63cfc1252ed5c2339baf8b95aedf85097350 /llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp | |
| parent | 3cb18346d776cc61da0bc5ea41e4678c1851db68 (diff) | |
| download | bcm5719-llvm-8284b19c76a7bafdf4e53b3deb6cd35fcd370e92.tar.gz bcm5719-llvm-8284b19c76a7bafdf4e53b3deb6cd35fcd370e92.zip | |
[AArch64] Unwinding support for return address signing
- When return address signing is enabled, the LR may be signed on function entry
- When an exception is thrown the return address is inspected used to unwind the call stack
- Before this happens, the return address must be correctly authenticated to avoid causing an abort by dereferencing the signed pointer
Differential Revision: https://reviews.llvm.org/D51432
llvm-svn: 342895
Diffstat (limited to 'llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp')
0 files changed, 0 insertions, 0 deletions
