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[compiler-rt] implement sigaltstack interception

Authored by eugenis on Feb 3 2020, 4:20 PM.

Description

[compiler-rt] implement sigaltstack interception

Summary:
An implementation for sigaltstack to make its side effect be visible to MSAN.

ninja check-msan

Reviewers: vitalybuka, eugenis

Reviewed By: eugenis

Subscribers: dberris, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D73816

Patch by Igor Sugak.

Details

Committed
eugenisFeb 3 2020, 4:28 PM
Reviewer
eugenis
Differential Revision
D73816: [compiler-rt] implement sigaltstack interception
Parents
rG63e650822199: [lldb/StringPrinter] Simplify StringPrinterBufferPointer, NFC
Branches
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Tags
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