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llvm-svn: 371687
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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
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Summary:
Move the corresponding tests to the common folder (as all of the
sanitizer allocators will support this feature soon) and add the checks
specific to aligned_alloc to ASan and LSan allocators.
Reviewers: vitalybuka
Subscribers: srhines, kubamracek, delcypher, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D47924
llvm-svn: 334316
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Summary:
This is a new attempt at D38706, which had 2 issues.
The first one was that it broke TSan, because `sanitizer_errno.h` was not
directly included in `tsan_mman.cc`. This fixes the include.
The second one was that it broke the nolibc build, because `__errno_location`
couldn't be found. This adds the new .cc to the libcdep list instead of the
base one.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: kubamracek, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D38743
llvm-svn: 315509
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Summary:
D38706 breaks tsan and the nolibc build.
Reverting while working on a fix.
Reviewers: alekseyshl
Subscribers: kubamracek, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D38739
llvm-svn: 315320
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Summary:
The fact that `sanitizer_allocator_checks.h` is including `sanitizer_errno.h`
creates complications for future changes, where it would conflict with `errno.h`
definitions on Android and Fuchsia (macro redefinition).
By moving the portion that sets errno in the checks to a separate compilation
unit, we avoid the inclusion of the header there, which solves the issue.
Not that it is not vital to have that function in a header as it is called as a
result of an unlikely event, and doesn't need to be inlined.
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: kubamracek, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D38706
llvm-svn: 315319
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Summary:
Previously we were rounding up the size passed to `pvalloc` to the next
multiple of page size no matter what. There is an overflow possibility that
wasn't accounted for. So now, return null in the event of an overflow. The man
page doesn't seem to indicate the errno to set in this particular situation,
but the glibc unit tests go for ENOMEM (https://code.woboq.org/userspace/glibc/malloc/tst-pvalloc.c.html#54)
so we'll do the same.
Update the aligned allocation funtions tests to check for properly aligned
returned pointers, and the `pvalloc` corner cases.
@alekseyshl: do you want me to do the same in the other Sanitizers?
Reviewers: alekseyshl
Reviewed By: alekseyshl
Subscribers: kubamracek, alekseyshl, llvm-commits
Differential Revision: https://reviews.llvm.org/D35818
llvm-svn: 309033
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Summary:
ASan/MSan/LSan allocators set errno on allocation failures according to
malloc/calloc/etc. expected behavior.
MSan allocator was refactored a bit to make its structure more similar
with other allocators.
Also switch Scudo allocator to the internal errno definitions.
TSan allocator changes will follow.
Reviewers: eugenis
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D35275
llvm-svn: 308344
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