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authorPeter Smith <peter.smith@linaro.org>2018-11-27 10:17:35 +0000
committerPeter Smith <peter.smith@linaro.org>2018-11-27 10:17:35 +0000
commit8a3e7178f6cc29f57e1f608d50b17a8960300391 (patch)
treee28c6c312ff4b32a70fcf406ced335ba597678b3 /lldb/packages/Python/lldbsuite/test/python_api/target/TestTargetAPI.py
parentb93baf65c04b4999ab435389c37b2d046f0503a4 (diff)
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[AArch64] Cortex-a53-843419 erratum should not apply to relaxed TLS.
The changes to the instructions performed by TLS relaxation and the errata patching are performed with relocations. As these are applied so late the errata scanning won't see the changes in the section data made by the TLS relaxation. This can lead to a TLS relaxed sequence being patched when it doesn't need to be. The fix checks to see if there is a R_RELAX_TLS_IE_TO_LE instruction at the same address as the ADRP as this indicates the presence of a relaxation of a sequence that might get recognised as a patch. Differential Revision: https://reviews.llvm.org/D54854 llvm-svn: 347649
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