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* [Sanitizer] Use SpinMutex for Symbolizer initialization (per dvyukov's ↵Alexey Samsonov2013-10-30
| | | | | | suggestion) git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193697 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Revert r193501 and properly fix r193448Alexey Samsonov2013-10-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193522 91177308-0d34-0410-b5e6-96231b3b80d8
* Overhaul the symbolizer interface.Peter Collingbourne2013-10-25
| | | | | | | | | | | | | | | | | | | | | | This moves away from creating the symbolizer object and initializing the external symbolizer as separate steps. Those steps now always take place together. Sanitizers with a legacy requirement to specify their own symbolizer path should use InitSymbolizer to initialize the symbolizer with the desired path, and GetSymbolizer to access the symbolizer. Sanitizers with no such requirement (e.g. UBSan) can use GetOrInitSymbolizer with no need for initialization. The symbolizer interface has been made thread-safe (as far as I can tell) by protecting its member functions with mutexes. Finally, the symbolizer interface no longer relies on weak externals, the introduction of which was probably a mistake on my part. Differential Revision: http://llvm-reviews.chandlerc.com/D1985 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193448 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sanitizer] Refactor symbolization interface: use class instead of several ↵Alexey Samsonov2013-09-10
| | | | | | functions. Move some code around to get rid of extra source files git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@190410 91177308-0d34-0410-b5e6-96231b3b80d8
* ASan, LSan, MSan: try to find llvm-symbolizer binary in PATH if it is not ↵Alexey Samsonov2013-09-03
| | | | | | provided. Now we don't need to explicitly set the location of llvm-symbolizer in lit test configs. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@189801 91177308-0d34-0410-b5e6-96231b3b80d8
* Define SANITIZER_INTERFACE_ATTRIBUTE on Windows and fix all the places where ↵Timur Iskhodzhanov2013-08-13
| | | | | | SANITIZER_INTERFACE_ATTRIBUTE or SANITIZER_ATTRIBUTE_WEAK are used git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@188261 91177308-0d34-0410-b5e6-96231b3b80d8
* Change __sanitizer_symbolize_demangle hook return type to 'int'Alexey Samsonov2013-07-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185326 91177308-0d34-0410-b5e6-96231b3b80d8
* Demangle names using pluggable internal symbolizer if possibleAlexey Samsonov2013-06-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@185146 91177308-0d34-0410-b5e6-96231b3b80d8
* Make InternalAlloc/InternalFree in sanitizer runtimes libc-free by switching ↵Alexey Samsonov2013-05-29
| | | | | | to a custom allocator. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182836 91177308-0d34-0410-b5e6-96231b3b80d8
* [nolibc] Move symbolizer to RTSanitizerCommonLibc, and make it optional ↵Peter Collingbourne2013-05-21
using a weak symbol. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182372 91177308-0d34-0410-b5e6-96231b3b80d8
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