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[hwasan] Fix HWASAN_WITH_INTERCEPTORS=OFF build on not-android. 

Summary:
I'm not aware of any platforms where this will work, but the code should at least compile.
HWASAN_WITH_INTERCEPTORS=OFF means there is magic in libc that would call __hwasan_thread_enter /
__hwasan_thread_exit as appropriate.

Reviewers: pcc, winksaville

Subscribers: srhines, kubamracek, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D61337

llvm-svn: 359914
This commit is contained in:
Evgeniy Stepanov 2019-05-03 18:20:16 +00:00
parent 639b3d1b83
commit c4bfa0d662
1 changed files with 11 additions and 1 deletions
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12
compiler-rt/lib/hwasan/hwasan_linux.cpp
View File

@ -38,7 +38,17 @@
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_procmaps.h"
#if HWASAN_WITH_INTERCEPTORS && !SANITIZER_ANDROID
// Configurations of HWASAN_WITH_INTERCEPTORS and SANITIZER_ANDROID.
//
// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=OFF
// Not currently tested.
// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=ON
// Integration tests downstream exist.
// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=OFF
// Tested with check-hwasan on x86_64-linux.
// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=ON
// Tested with check-hwasan on aarch64-linux-android.
#if !SANITIZER_ANDROID
SANITIZER_INTERFACE_ATTRIBUTE
THREADLOCAL uptr __hwasan_tls;
#endif