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clang-p2996/compiler-rt
Ilya Leoshkevich 6897111231 [MSan] Add COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
Summary:
MSan not implementing COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED looks
like an omission - this macro makes it possible for those intercepted
functions, which libc needs very early, to work before interceptors are
initialized (i.e. before REAL() is usable).

While currently there are no observable practical problems in this
area, changes in libc or in MSan runtime may provoke them. Therefore,
change MSan to work like ASan and TSan already do - use internal
functions in certain interceptors when initialization is not complete.

Reviewers: eugenis, vitalybuka

Reviewed By: eugenis

Subscribers: #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D76969
2020-04-03 17:18:53 +02:00
..
2019-10-24 13:25:15 -07:00

Compiler-RT
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This directory and its subdirectories contain source code for the compiler
support routines.

Compiler-RT is open source software. You may freely distribute it under the
terms of the license agreement found in LICENSE.txt.

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