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Summary:
Part of https://github.com/google/sanitizers/issues/637
Standalone ubsan needs signal and sigaction handlers and interceptors.
Plugin mode should rely on parent tool.
Reviewers: eugenis, alekseyshl
Subscribers: kubamracek, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D37895
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@314052 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
On Linux we may need preinit_array in static lib and
ubsan_standalone_initializer in shared lib.
Reviewers: eugenis
Subscribers: kubamracek, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D38013
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@313851 91177308-0d34-0410-b5e6-96231b3b80d8
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Breaks build.
This reverts commit r313583 and r313584.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@313585 91177308-0d34-0410-b5e6-96231b3b80d8
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On Linux we may need preinit_array in static lib and
ubsan_standalone_initializer in shared lib.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@313583 91177308-0d34-0410-b5e6-96231b3b80d8
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Otherwise this compile definition was undefined, and .preinit_array
was never used on the platforms that support it.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@237045 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@233879 91177308-0d34-0410-b5e6-96231b3b80d8
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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
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@233861 91177308-0d34-0410-b5e6-96231b3b80d8
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