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Summary: Adds strlen to the common interceptors, under a new common flag intercept_strlen. This provides better sharing of interception code among sanitizers and cleans up the inconsistent type declarations of the previously duplicated interceptors. Removes the now-duplicate strlen interceptor from asan, msan, and tsan. The entry check semantics are normalized now for msan and asan, whose private strlen interceptors contained multiple layers of checks that included impossible-to-reach code. The new semantics are identical to the old: bypass interception if in the middle of init or if both on Mac and not initialized; else, call the init routine and proceed. Patch by Derek Bruening! Reviewers: samsonov, vitalybuka Subscribers: llvm-commits, kcc, zhaoqin Differential Revision: http://reviews.llvm.org/D18020 llvm-svn: 263177
Compiler-RT ================================ 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. ================================