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Summary:
Providing aligned new/delete implementations to match ASan.
Unlike ASan, MSan and TSan do not perform any additional checks
on overaligned memory, hence no sanitizer specific tests.
Reviewers: eugenis
Subscribers: kubamracek, #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D41532
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321365 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Operator new interceptors behavior is now controlled by their nothrow
property as well as by allocator_may_return_null flag value:
- allocator_may_return_null=* + new() - die on allocation error
- allocator_may_return_null=0 + new(nothrow) - die on allocation error
- allocator_may_return_null=1 + new(nothrow) - return null
Ideally new() should throw std::bad_alloc exception, but that is not
trivial to achieve, hence TODO.
Reviewers: eugenis
Subscribers: kubamracek, llvm-commits
Differential Revision: https://reviews.llvm.org/D34731
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@306604 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch replaces all uses of __libc_malloc and friends with the internal allocator.
It seems that the only reason why we have calls to __libc_malloc in the first place was the lack of the internal allocator at the time. Using the internal allocator will also make sure that the system allocator is never used (this is the same behavior as ASan), and we don’t have to worry about working with unknown pointers coming from the system allocator.
Differential Revision: http://reviews.llvm.org/D21025
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271916 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Android doesn't have __libc_malloc and related allocation
functions. As its dynamic linker doesn't use malloc, so
we can use REAL(malloc) to replace __libc_malloc safely.
Reviewers: kcc, eugenis, dvyukov
Subscribers: llvm-commits, tberghammer, danalbert, srhines
Differential Revision: http://reviews.llvm.org/D15297
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@255167 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252735 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch adds `tsan_new_delete.cc` into the OS X build.
Differential Revision: http://reviews.llvm.org/D14424
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252284 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: I've copy/pasted the LLVM_NOEXCEPT definition macro goo from LLVM's Compiler.h. Is there somewhere I should put this in Compiler RT? Is there a useful header to define/share things like this?
Reviewers: samsonov
Differential Revision: http://reviews.llvm.org/D11780
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@244453 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@235906 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@164764 91177308-0d34-0410-b5e6-96231b3b80d8
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extern C functions with weirdly mangled names (same strategy is used in ASan).
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@164487 91177308-0d34-0410-b5e6-96231b3b80d8
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