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7 Commits

Author SHA1 Message Date
Kamil Rytarowski 63bd043a12 Enhance support for NetBSD in SafeStack 
Summary:
Always try to detect and call internal or real libc symbols instead of
locally installed interceptors.

This covers:
 - GetTid()
 - TgKill()
 - Mmap()
 - Munmap()
 - Mprotect()

This cherry-picks code from sanitizer_common/sanitizer_netbsd.cc.

Reviewers: vitalybuka

Reviewed By: vitalybuka

Subscribers: llvm-commits, mgorny, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D57179

llvm-svn: 352154
 2019-01-25 02:18:01 +00:00
Vitaly Buka 096ee9159f [safestack] Return syscalls for mmap, munmap and mprotect 
This function can be already intercepted by instrumented code.

llvm-svn: 351783
 2019-01-22 05:23:48 +00:00
Vitaly Buka 2b3d8b3286 [safestack] Remove unsupported platforms 
llvm-svn: 351716
 2019-01-21 02:21:59 +00:00
Vitaly Buka 7ef159dda5 [safestack] Fix FreeBSD runtime build 
llvm-svn: 351715
 2019-01-21 02:21:51 +00:00
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo 
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
 2019-01-19 08:50:56 +00:00
Vitaly Buka 22039df5d1 [safestack] Add ThreadId type as uint64_t 
Reviewers: krytarowski, eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D56937

llvm-svn: 351607
 2019-01-18 22:32:29 +00:00
Vitaly Buka f5ce42c040 [safestack] Remove dependency of SafeStack on sanitizer_common 
Summary:
SafeStack needs just few functions from there, but sanitizer_common
introduces conflicts with other runtimes, e.g. SCUDO.

Reviewers: eugenis, kcc, cryptoad

Subscribers: mgorny, krytarowski, fedor.sergeev, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D56886

llvm-svn: 351506
 2019-01-18 01:53:37 +00:00