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* Fix GC race condition in visit rootsSerguei Katkov2014-06-021-1/+4
| | | | | | | | While GC visits roots other code can change the set pending exception due to lack of synchronization. Change-Id: If387944ac933a66fe176df066c3a0ea52131cad4 Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com>
* Revert "Revert "Fix an outstanding compaction bug in interpreter.""Mathieu Chartier2014-05-231-4/+3
| | | | | | | | | | Fixed the generic trampoline to not use ToJObject when unnecessary. Bug: 15167269 This reverts commit 3bdb873122964da7937eb070cbcf2ef638a8e459. Change-Id: I0525d0e0f3afb753c770e1572070a0fa22b02271
* Revert "Fix an outstanding compaction bug in interpreter."Mathieu Chartier2014-05-221-3/+4
| | | | | | This reverts commit e09ae0920be57760fb390b6944bce420fa0b5582. Change-Id: I48036306130d5ccfec683d0dc3e9a642a02ee9c1
* Fix an outstanding compaction bug in interpreter.Mathieu Chartier2014-05-221-4/+3
| | | | | | | | | | | | | | | | Fixed a bug in DoFieldPut where the FieldHelper GetType could cause thread suspension which would result in a stale obj. Added more handles in the class linker to facilitate moving fiels and methods in the future. Removed un-necessarly passing handle references since these are value types and don't need to be passed by reference. Added a special NullHandle type which allows null handles without a handle scope. Change-Id: I1b51723920a2e4f4f8b2907066f578a3e879fd5b
* Now we have a proper C++ library, use std::unique_ptr.Ian Rogers2014-05-191-1/+1
| | | | | | | Also remove the Android.libcxx.mk and other bits of stlport compatibility mechanics. Change-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61
* Compatibility layer to transition from UniquePtr to std::unique_ptr.Ian Rogers2014-05-151-1/+1
| | | | | | | | | Use ART_WITH_STLPORT (enabled for the target) to cause the use of UniquePtr, for the host switch to std::unique_ptr. For now the type remains called UniquePtr. Make dalvik compile with clang on the host, move its build to C++11. Change-Id: I5ba8d2757904bc089ed62047ea03de3c0853fb12
* Add Handle/HandleScope and delete SirtRef.Mathieu Chartier2014-05-131-3/+6
| | | | | | | | | | | | | | | | Delete SirtRef and replaced it with Handle. Handles are value types which wrap around StackReference*. Renamed StackIndirectReferenceTable to HandleScope. Added a scoped handle wrapper which wraps around an Object** and restores it in its destructor. Renamed Handle::get -> Get. Bug: 8473721 Change-Id: Idbfebd4f35af629f0f43931b7c5184b334822c7a
* Make test-art pass with heap reference poisoning enabled.Hiroshi Yamauchi2014-03-191-0/+1
| | | | | | | | | Heap reference poisoning is currently interpreter only. This change disables one compiler driver test that actually invokes compiled code if heap reference poisoning is enabled. Bug: 12687968 Change-Id: Ia9516f4067d84e9a4de50d9ff44cfbe38f282d16
* Add more VerifyObject calls.Mathieu Chartier2014-03-071-0/+1
| | | | | | | | | | | Added verify object calls to SirtRef, IndirectReferenceTable, ReferenceTable. Removed un-needed verify object in ScopedObjectAccess / DecodeJObject since object sources are handled. Bug: 12934910 Change-Id: I55a46a8ea61fed2a77526eda27fd2cce97a9b125
* Make out arguments non-reference types.Ian Rogers2014-03-011-1/+1
| | | | | | Also, tidy some portable related code. Change-Id: I67c8aa52eef8b556ca117ecda1b1e75465ba06a5
* Split up CommonTest into CommonRuntimeTest and CommonCompilerTestBrian Carlstrom2014-02-261-2/+2
| | | | Change-Id: I8dcf6b29a5aecd445f1a3ddb06386cf81dbc9c70
* Avoid std::string allocations for finding an array class.Ian Rogers2014-02-241-3/+2
| | | | | | | | | | | | Introduce ClassLinker::FindArrayClass which performs an array class lookup given the element/component class. This has a 16 element cache of recently looked up arrays. Pass the current thread to ClassLinker Find .. Class routines to avoid calls to Thread::Current(). Avoid some uses of FindClass in the debugger where WellKnownClasses is a faster and more compacting GC friendly alternative. Change-Id: I60e231820b349543a7edb3ceb9cf1ce92db3c843
* Object model changes to support 64bit.Ian Rogers2014-02-061-1/+5
| | | | | | | | | | | | | | | | | | | | | | | Modify mirror objects so that references between them use an ObjectReference value type rather than an Object* so that functionality to compress larger references can be captured in the ObjectRefererence implementation. ObjectReferences are 32bit and all other aspects of object layout remain as they are currently. Expand fields in objects holding pointers so they can hold 64bit pointers. Its expected the size of these will come down by improving where we hold compiler meta-data. Stub out x86_64 architecture specific runtime implementation. Modify OutputStream so that reads and writes are of unsigned quantities. Make the use of portable or quick code more explicit. Templatize AtomicInteger to support more than just int32_t as a type. Add missing, and fix issues relating to, missing annotalysis information on the mutator lock. Refactor and share implementations for array copy between System and uses elsewhere in the runtime. Fix numerous 64bit build issues. Change-Id: I1a5694c251a42c9eff71084dfdd4b51fff716822
* Fix memory leaks relating to timing logger.Ian Rogers2013-11-141-1/+2
| | | | | | | | | Bug: 11670287. We use pointers to uninitialized values for control-flow in the timing logger code, add TODO comments to clean this up later. Remove base namespace and other bits of tidying. Change-Id: I1e6600a1e92f974c8f58f3a405a4e4abb4d9f80f
* Compacting collector.Mathieu Chartier2013-11-111-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The compacting collector is currently similar to semispace. It works by copying objects back and forth between two bump pointer spaces. There are types of objects which are "non-movable" due to current runtime limitations. These are Classes, Methods, and Fields. Bump pointer spaces are a new type of continuous alloc space which have no lock in the allocation code path. When you allocate from these it uses atomic operations to increase an index. Traversing the objects in the bump pointer space relies on Object::SizeOf matching the allocated size exactly. Runtime changes: JNI::GetArrayElements returns copies objects if you attempt to get the backing data of a movable array. For GetArrayElementsCritical, we return direct backing storage for any types of arrays, but temporarily disable the GC until the critical region is completed. Added a new runtime call called VisitObjects, this is used in place of the old pattern which was flushing the allocation stack and walking the bitmaps. Changed image writer to be compaction safe and use object monitor word for forwarding addresses. Added a bunch of added SIRTs to ClassLinker, MethodLinker, etc.. TODO: Enable switching allocators, compacting on background, etc.. Bug: 8981901 Change-Id: I3c886fd322a6eef2b99388d19a765042ec26ab99
* Refactor java.lang.reflect implementationBrian Carlstrom2013-08-131-3/+3
| | | | | | | | | | | Cherry-picked from commit ed41d5c44299ec5d44b8514f6e17f802f48094d1. Move to ArtMethod/Field instead of AbstractMethod/Field and have java.lang.reflect APIs delegate to ArtMethod/ArtField. Bug: 10014286. Change-Id: Iafc1d8c5b62562c9af8fb9fd8c5e1d61270536e7
* Fix compiler_driver_test/image_test.Ian Rogers2013-07-251-0/+1
| | | | | | Fixes post TimingLogger change. Change-Id: If57f12d7cb6a449e3f3a8ba6f48e9180cd153ede
* Add systrace support to NewTimingLogger, migrate compiler timing logging to ↵Anwar Ghuloum2013-07-251-1/+1
| | | | | | | | | NewTimingLogger Rpleaced old TimingLogger by NewTimingLogger, renamed NewTimingLogger to TimingLogger, added systrace support to TimingLogger. Tests passing, phone booting, systrace working. Change-Id: I2aeffb8bcb7f0fd979d8a2a3a8bcfbaa02413679
* Move TimingLogger creation to dex2oatBrian Carlstrom2013-07-211-1/+4
| | | | Change-Id: I4fdb6afd4ce2ac0d91c6c968893606d593b6ea18
* Create separate Android.mk for main build targetsBrian Carlstrom2013-07-121-0/+166
The runtime, compiler, dex2oat, and oatdump now are in seperate trees to prevent dependency creep. They can now be individually built without rebuilding the rest of the art projects. dalvikvm and jdwpspy were already this way. Builds in the art directory should behave as before, building everything including tests. Change-Id: Ic6b1151e5ed0f823c3dd301afd2b13eb2d8feb81
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