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* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-191-4/+3
| | | | | | | | | | | | | | | | | 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. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Embed UBSan into ASan runtime (compiler-rt part).Alexey Samsonov2015-04-011-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | 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
* [sanitizer] Flag parser rewrite.Evgeniy Stepanov2015-01-151-3/+1
| | | | | | | | | The new parser is a lot stricter about syntax, reports unrecognized flags, and will make it easier to implemented some of the planned features. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@226169 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Change the runtime flag representation.Alexey Samsonov2015-01-071-2/+6
| | | | | | | | | | | This mirrors r225239 to all the rest sanitizers: ASan, DFSan, LSan, MSan, TSan, UBSan. Now the runtime flag type, name, default value and description is located in the single place in the .inc file. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@225327 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Introduce more flexible __ubsan_default_options function instead of ↵Alexey Samsonov2014-09-191-0/+9
| | | | | | UBSAN_DEFAULT_OPTIONS compile definition git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@218137 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r217616. Problems and complexity it introduces negate its benefitAlexey Samsonov2014-09-121-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@217652 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Parse common flags from UBSAN_OPTIONS runtime variable even ifAlexey Samsonov2014-09-111-1/+0
| | | | | | | UBSan is combined with ASan. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@217616 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Add halt_on_error runtime flagAlexey Samsonov2014-09-101-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@217535 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Move all runtime flags parsing to ubsan_flags.cc.Alexey Samsonov2014-07-291-0/+1
| | | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@214258 91177308-0d34-0410-b5e6-96231b3b80d8
* [UBSan] Add the ability to dump call stacks to -fsanitize=vptrAlexey Samsonov2014-07-231-0/+29
This change introduces the first UBSan-specific runtime flag: print_stacktrace (off by default). It can be set in UBSAN_OPTIONS to unwind and print call stacks in addition to diagnostic messages. For now these stacks are printed only in vptr checker. This change is based on http://reviews.llvm.org/D4410 by Byoungyoung Lee! git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@213783 91177308-0d34-0410-b5e6-96231b3b80d8
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