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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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When using ASan and UBSan together, the common sanitizer tool name is
set to "AddressSanitizer". That means that when a UBSan diagnostic is
printed out, it looks like this:
SUMMARY: AddressSanitizer: ...
This can confuse users. Fix it so that we always use the correct tool
name when printing out UBSan diagnostics.
Differential Revision: https://reviews.llvm.org/D32066
llvm-svn: 300358
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Summary:
Change the way we use ASan and UBSan together. Instead of keeping two
separate runtimes (libclang_rt.asan and libclang_rt.ubsan), embed UBSan
into ASan and get rid of libclang_rt.ubsan. If UBSan is not supported on
a platform, all UBSan sources are just compiled into dummy empty object
files. UBSan initialization code (e.g. flag parsing) is directly called
from ASan initialization, so we are able to enforce correct
initialization order.
This mirrors the approach we already use for ASan+LSan. This change
doesn't modify the way we use standalone UBSan.
Test Plan: regression test suite
Reviewers: kubabrecka, zaks.anna, rsmith, kcc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8646
llvm-svn: 233861
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Specifically, use .preinit_array initialization on Linux and dynamic global
initializer on another platforms. Historically UBSan didn't have any
initialization code and its runtime was stateless. This is no longer the
case - UBSan relies on some non-trivial functionality from sanitizer_common
(e.g. online symbolization) and is now configurable by runtime flags.
Additionally, we've dropped support for enabling UBSan only for a few shared
objects, so UBSan is now always linked into the main executable, so now
we can use similar initialization as all the rest sanitizers.
llvm-svn: 213983
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