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Like r367463, but for tsan/rtl.
llvm-svn: 367564
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GetStackTrace is a implementation detail of BufferedStackTrace. Make it
a private method.
Reviewed By: vitalybuka
Differential-Revision: https://reviews.llvm.org/D58753
llvm-svn: 355232
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rdar://48455255
llvm-svn: 355053
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We already independently declare GetStackTrace in all (except TSan)
sanitizer runtime headers. Lets move it to sanitizer_stacktrace.h to
have one canonical way to fill in a BufferedStackFrame. Also enables us
to use it in sanitizer_common itself.
This patch defines GetStackTrace for TSan and moves the function from
ubsan_diag.cc to ubsan_diag_standalone.cc to avoid duplicate symbols
for the UBSan-ASan runtime.
Other than that this patch just moves the code out of headers and into
the correct namespace.
Reviewers: vitalybuka
Differential Revision: https://reviews.llvm.org/D58651
llvm-svn: 355039
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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:
Following up on and complementing D44404 and other sanitizer allocators.
Currently many allocator specific errors (OOM, for example) are reported as
a text message and CHECK(0) termination, no stack, no details, not too
helpful nor informative. To improve the situation, detailed and structured
common errors were defined and reported under the appropriate conditions.
Common tests were generalized a bit to cover a slightly different TSan
stack reporting format, extended to verify errno value and returned
pointer value check is now explicit to facilitate debugging.
Reviewers: dvyukov
Subscribers: srhines, kubamracek, delcypher, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D48087
llvm-svn: 334975
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Summary:
This change removes `__tsan::StackTrace` class. There are
now three alternatives:
# Lightweight `__sanitizer::StackTrace`, which doesn't own a buffer
of PCs. It is used in functions that need stack traces in read-only
mode, and helps to prevent unnecessary allocations/copies (e.g.
for StackTraces fetched from StackDepot).
# `__sanitizer::BufferedStackTrace`, which stores buffer of PCs in
a constant array. It is used in TraceHeader (non-Go version)
# `__tsan::VarSizeStackTrace`, which owns buffer of PCs, dynamically
allocated via TSan internal allocator.
Test Plan: compiler-rt test suite
Reviewers: dvyukov, kcc
Reviewed By: kcc
Subscribers: llvm-commits, kcc
Differential Revision: http://reviews.llvm.org/D6004
llvm-svn: 221194
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introduce a BufferedStackTrace class, which owns this array.
Summary:
This change splits __sanitizer::StackTrace class into a lightweight
__sanitizer::StackTrace, which doesn't own array of PCs, and BufferedStackTrace,
which owns it. This would allow us to simplify the interface of StackDepot,
and eventually merge __sanitizer::StackTrace with __tsan::StackTrace.
Test Plan: regression test suite.
Reviewers: kcc, dvyukov
Reviewed By: dvyukov
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D5985
llvm-svn: 220635
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The new storage (MetaMap) is based on direct shadow (instead of a hashmap + per-block lists).
This solves a number of problems:
- eliminates quadratic behaviour in SyncTab::GetAndLock (https://code.google.com/p/thread-sanitizer/issues/detail?id=26)
- eliminates contention in SyncTab
- eliminates contention in internal allocator during allocation of sync objects
- removes a bunch of ad-hoc code in java interface
- reduces java shadow from 2x to 1/2x
- allows to memorize heap block meta info for Java and Go
- allows to cleanup sync object meta info for Go
- which in turn enabled deadlock detector for Go
llvm-svn: 209810
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