21aa4d405cbe3d4612e3f50ebb7610cc0b3503a2 |
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25-Apr-2016 |
Nicolas Geoffray <ngeoffray@google.com> |
Make sure the referring class is in the dex cache. The method CanAccessResolvedMethod expects the referring class in the dex file is already in the dex cache, which is true during AOT, but not necessarilly during JIT. bug:28295348 (cherry picked from commit 393fdb8b4822d80bbbd6347b088e28c03a72289e) Change-Id: I9665d377070278639eb4b5a6eeced85d656e6cb6
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fedd91d50930e160c021d65b3740264f6ffec260 |
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07-Jan-2016 |
Alex Light <allight@google.com> |
Optimizing compiler support for directly calling interface methods This teaches the optimizing compiler how to perform invoke-super on interfaces. This should make the invokes generally faster. Bug: 24618811 Change-Id: I7f9b0fb1209775c1c8837ab5d21f8acba3cc72a5
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9865bde5d822f56c4732214c2005dfcaa41f94cf |
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21-Dec-2015 |
Mathieu Chartier <mathieuc@google.com> |
Rename NullHandle to ScopedNullHandle This makes it clearer that is invalid to do things like: Handle<T> h = ScopedNullHandle<T>(); Bug: 26233305 Change-Id: I6d8f54eae01ec2e901cb7043afa853ea77db79fe
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42ef8ab151a3d0cbb42cb43f6841c3708d65fca3 |
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04-Dec-2015 |
Andreas Gampe <agampe@google.com> |
ART: Stash a resolved method late in the verifier Invoke-interface should only be called on an interface method. We cannot move the check earlier, as there are other checks that must be done that can fail a class hard. So postpone a push to the dex cache. Clean up the test a bit. Also templatize ResolveMethod with a version always checking the invoke type, and on a cache miss check whether type target type is an interface when an interface invoke type was given. Bug: 21869691 Change-Id: I94cbb23339cbbb3cb6be9995775e4dcefacce7fd
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c96205e03bd4f991ad1540df38f9f692ef211b22 |
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10-Dec-2015 |
Andreas Gampe <agampe@google.com> |
Revert "ART: Check invoke-interface earlier in verifier" This reverts commit dae24142127c64551142a50423085aabdb0a6060. It is important to check the name of the method being called. Bug: 21869691
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dae24142127c64551142a50423085aabdb0a6060 |
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04-Dec-2015 |
Andreas Gampe <agampe@google.com> |
ART: Check invoke-interface earlier in verifier Invoke-interface should only be called on an interface method. Move the check earlier, as otherwise we'll try to resolve and potentially inject a method into the dex cache. Also templatize ResolveMethod with a version always checking the invoke type, and on a cache miss check whether type target type is an interface when an interface invoke type was given. Bug: 21869691 Change-Id: Ica27158f675b5aa223d9229248189612f4706832
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c77f3ab25939727346b0b6ec2f9421e218ac836a |
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04-Sep-2015 |
Mathieu Chartier <mathieuc@google.com> |
Clean up formatting in class linker Change-Id: Ifc27dbe0b5fcabec439602e02f4128c063e1b120
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05792b98980741111b4d0a24d68cff2a8e070a3a |
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03-Aug-2015 |
Vladimir Marko <vmarko@google.com> |
ART: Move DexCache arrays to native. This CL has a companion CL in libcore/ https://android-review.googlesource.com/162985 Change-Id: Icbc9e20ad1b565e603195b12714762bb446515fa
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673ed3d8aedc5462a47ded827c99f35d46525457 |
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28-Aug-2015 |
Mathieu Chartier <mathieuc@google.com> |
Revert "Revert "Change dex caches to be weak roots"" This reverts commit 81a9087f0df0518c39405b7d18ba5858a6d8b77b. Boot.oat creation time goes from 4.7s to 4.9s on host due to extra locking. Will try to improve this in another CL. Bug: 23602225 Bug: 22720414 Change-Id: I7e25b75cfb63faa196c7b0f60e46cce50bf12021
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81a9087f0df0518c39405b7d18ba5858a6d8b77b |
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28-Aug-2015 |
Brian Carlstrom <bdc@google.com> |
Revert "Change dex caches to be weak roots" This reverts commit 3ae6b1d42523bb2a0ddb5edff1aaf05b592f28f4.
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3ae6b1d42523bb2a0ddb5edff1aaf05b592f28f4 |
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14-Aug-2015 |
Mathieu Chartier <mathieuc@google.com> |
Change dex caches to be weak roots Changed dex caches to be weak roots. This is necessary for class unloading since the resolved types arrays would keep classes live when they should be unloaded. Currently the dex caches still don't get freed due to the class loader roots. Also deleted some unused functionality in image writer. Bug: 22720414 Change-Id: If22cb3cad7e3baabc8158a77d7f20799faf4c341
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b1d8c314b55bb2df2b2bb72a3daaf5db65b7ebc7 |
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04-Aug-2015 |
Igor Murashkin <iam@google.com> |
Revert "cleanup: Replace pointers with out-parameters and fix-up formatting" This reverts commit a315f5c546b796f55f4872bb6efc15eb858d9639. -- Revert "runtime: cleanup class_linker out-parameters and formatting" This reverts commit bc1d78daa463572c5a770cdca858a3b51d8e1b7b. -- Revert "base: replace raw pointers for out-parameters with safer out<T>" This reverts commit fb326cffc679cab8eb873b9e44795706f023cb3c.
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bc1d78daa463572c5a770cdca858a3b51d8e1b7b |
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31-Jul-2015 |
Igor Murashkin <iam@google.com> |
runtime: cleanup class_linker out-parameters and formatting * Use out<T> instead of parameters * Fixes up some other signatures to be more correct * Reformat parameters to be one per line if they can't fit on one line * Reformat locks to be one per line if they can't fit on the decl line Change-Id: Ib71b08707d3ed0bb85299406c0b23a1de4e92a1c
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90443477f9a0061581c420775ce3b7eeae7468bc |
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17-Jul-2015 |
Mathieu Chartier <mathieuc@google.com> |
Move to newer clang annotations Also enable -Wthread-safety-negative. Changes: Switch to capabilities and negative capabilities. Future work: Use capabilities to implement uninterruptible annotations to work with AssertNoThreadSuspension. Bug: 20072211 Change-Id: I42fcbe0300d98a831c89d1eff3ecd5a7e99ebf33
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9638b64f167d2447d118664c1e1276501e4a1ecc |
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23-Jun-2015 |
Nicolas Geoffray <ngeoffray@google.com> |
Remove bogus DCHECK. Spotted by running libcore tests with libartd.so. The FindClass call will throw the exception if the element type is void. Change-Id: Ic5df7eb6c9934b8e70f7bfdcfe533e5c1ad5c518
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3d21bdf8894e780d349c481e5c9e29fe1556051c |
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22-Apr-2015 |
Mathieu Chartier <mathieuc@google.com> |
Move mirror::ArtMethod to native Optimizing + quick tests are passing, devices boot. TODO: Test and fix bugs in mips64. Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS. Some of the savings are from removal of virtual methods and direct methods object arrays. Bug: 19264997 (cherry picked from commit e401d146407d61eeb99f8d6176b2ac13c4df1e33) Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d Fix some ArtMethod related bugs Added root visiting for runtime methods, not currently required since the GcRoots in these methods are null. Added missing GetInterfaceMethodIfProxy in GetMethodLine, fixes --trace run-tests 005, 044. Fixed optimizing compiler bug where we used a normal stack location instead of double on ARM64, this fixes the debuggable tests. TODO: Fix JDWP tests. Bug: 19264997 Change-Id: I7c55f69c61d1b45351fd0dc7185ffe5efad82bd3 ART: Fix casts for 64-bit pointers on 32-bit compiler. Bug: 19264997 Change-Id: Ief45cdd4bae5a43fc8bfdfa7cf744e2c57529457 Fix JDWP tests after ArtMethod change Fixes Throwable::GetStackDepth for exception event detection after internal stack trace representation change. Adds missing ArtMethod::GetInterfaceMethodIfProxy call in case of proxy method. Bug: 19264997 Change-Id: I363e293796848c3ec491c963813f62d868da44d2 Fix accidental IMT and root marking regression Was always using the conflict trampoline. Also included fix for regression in GC time caused by extra roots. Most of the regression was IMT. Fixed bug in DumpGcPerformanceInfo where we would get SIGABRT due to detached thread. EvaluateAndApplyChanges: From ~2500 -> ~1980 GC time: 8.2s -> 7.2s due to 1s less of MarkConcurrentRoots Bug: 19264997 Change-Id: I4333e80a8268c2ed1284f87f25b9f113d4f2c7e0 Fix bogus image test assert Previously we were comparing the size of the non moving space to size of the image file. Now we properly compare the size of the image space against the size of the image file. Bug: 19264997 Change-Id: I7359f1f73ae3df60c5147245935a24431c04808a [MIPS64] Fix art_quick_invoke_stub argument offsets. ArtMethod reference's size got bigger, so we need to move other args and leave enough space for ArtMethod* and 'this' pointer. This fixes mips64 boot. Bug: 19264997 Change-Id: I47198d5f39a4caab30b3b77479d5eedaad5006ab
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e401d146407d61eeb99f8d6176b2ac13c4df1e33 |
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22-Apr-2015 |
Mathieu Chartier <mathieuc@google.com> |
Move mirror::ArtMethod to native Optimizing + quick tests are passing, devices boot. TODO: Test and fix bugs in mips64. Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS. Some of the savings are from removal of virtual methods and direct methods object arrays. Bug: 19264997 Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
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2cebb24bfc3247d3e9be138a3350106737455918 |
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22-Apr-2015 |
Mathieu Chartier <mathieuc@google.com> |
Replace NULL with nullptr Also fixed some lines that were too long, and a few other minor details. Change-Id: I6efba5fb6e03eb5d0a300fddb2a75bf8e2f175cb
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c785344b87221f5e4e6473e5b762e4e61fe65dcf |
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27-Mar-2015 |
Mathieu Chartier <mathieuc@google.com> |
Move ArtField to native Add linear alloc. Moved ArtField to be native object. Changed image writer to put ArtFields after the mirror section. Savings: 2MB on low ram devices 4MB on normal devices Total PSS measurements before (normal N5, 95s after shell start): Image size: 7729152 bytes 23112 kB: .NonMoving 23212 kB: .NonMoving 22868 kB: .NonMoving 23072 kB: .NonMoving 22836 kB: .NonMoving 19618 kB: .Zygote 19850 kB: .Zygote 19623 kB: .Zygote 19924 kB: .Zygote 19612 kB: .Zygote Avg: 42745.4 kB After: Image size: 7462912 bytes 17440 kB: .NonMoving 16776 kB: .NonMoving 16804 kB: .NonMoving 17812 kB: .NonMoving 16820 kB: .NonMoving 18788 kB: .Zygote 18856 kB: .Zygote 19064 kB: .Zygote 18841 kB: .Zygote 18629 kB: .Zygote 3499 kB: .LinearAlloc 3408 kB: .LinearAlloc 3424 kB: .LinearAlloc 3600 kB: .LinearAlloc 3436 kB: .LinearAlloc Avg: 39439.4 kB No reflection performance changes. Bug: 19264997 Bug: 17643507 Change-Id: I10c73a37913332080aeb978c7c94713bdfe4fe1c
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eace45873190a27302b3644c32ec82854b59d299 |
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25-Nov-2014 |
Mathieu Chartier <mathieuc@google.com> |
Move dexCacheStrings from ArtMethod to Class Adds one load for const strings which are not direct. Saves >= 60KB of memory avg per app. Image size: -350KB. Bug: 17643507 Change-Id: I2d1a3253d9de09682be9bc6b420a29513d592cc8 (cherry picked from commit f521f423b66e952f746885dd9f6cf8ef2788955d)
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f521f423b66e952f746885dd9f6cf8ef2788955d |
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25-Nov-2014 |
Mathieu Chartier <mathieuc@google.com> |
Move dex cache strings from ArtMethod -> Class Adds one load for const strings which are not direct. Saves >= 60KB of memory avg per app. Image size: -350KB. Bug: 17643507 Change-Id: I2d1a3253d9de09682be9bc6b420a29513d592cc8
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6a3c1fcb4ba42ad4d5d142c17a3712a6ddd3866f |
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31-Oct-2014 |
Ian Rogers <irogers@google.com> |
Remove -Wno-unused-parameter and -Wno-sign-promo from base cflags. Fix associated errors about unused paramenters and implict sign conversions. For sign conversion this was largely in the area of enums, so add ostream operators for the effected enums and fix tools/generate-operator-out.py. Tidy arena allocation code and arena allocated data types, rather than fixing new and delete operators. Remove dead code. Change-Id: I5b433e722d2f75baacfacae4d32aef4a828bfe1b
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928f72bd75c385ba2708c58521171a77264d4486 |
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10-Sep-2014 |
Andreas Gampe <agampe@google.com> |
ART: Fix things for valgrind Wire up valgrind gtests. Add valgrind-test-art-host, currently only depending on valgrind-test-art-host-gtest32. Fix an Alloc setting to allow running valgrind. Refactor the fault handler to manage (and correctly release) the handlers. Fix minor failure-case leaks exposed by tests. Failing tests: The optimizing compiler is leaking non-arena-ed structures (e.g., assembler buffers), as code generators are not destroyed. The solution has been moved to a follow-up CL. Note: All 64b tests are failing as we cannot allocate a heap. Change-Id: I7f854cfd098d9f68107ce492363e7dba9a82b9fa
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c0542af3e2170143ba40d89136e284997e16bf64 |
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04-Sep-2014 |
Ian Rogers <irogers@google.com> |
Remove abuse of mirror::Object* to reference special values. Remove kInvalidIndirectRefObject, kClearedJniWeakGlobal and ObjectRegistry::kInvalidObject. Handle error conditions by passing in or returning an error value. GetObjectRefType is simplified to be faster and not return invalid references that are not expected according to the spec. Adjust check JNI and jni_internal_test appropriately. Fix cases in the debugger/JDWP of out arguments being passed by reference. Bug: 17376993 Change-Id: I3ce8a28c01827e163f4dc288449959464da788b1
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cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2 |
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30-Aug-2014 |
Ian Rogers <irogers@google.com> |
Reduce and speed-up class def searches. Use the class linker for descriptor lookups from the compile driver so that dex caches are populated. Reduce the scope of functions for scanning class paths to just the class linker where they are performed. If we see more than a threshold number of find class def misses on a dex file lazily compute an index, so that future lookups are constant time (part of the collection code is taken from https://android-review.googlesource.com/#/c/103865/3). Note that we take a lazy approach so that we don't serialize on loading dex files, this avoids the reason the index was removed in 8b2c0b9abc3f520495f4387ea040132ba85cae69. Remove an implicit and unnecessary std::string creation for PrintableString. Single threaded interpret-only dex2oat performance is improved by roughly 10%. Bug: 16853450 Change-Id: Icf72df76b0a4328f2a24075e81f4ff267b9401f4 (cherry picked from commit 68b56858367e29461ae290fd797443a1ef6d8005)
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68b56858367e29461ae290fd797443a1ef6d8005 |
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30-Aug-2014 |
Ian Rogers <irogers@google.com> |
Reduce and speed-up class def searches. Use the class linker for descriptor lookups from the compile driver so that dex caches are populated. Reduce the scope of functions for scanning class paths to just the class linker where they are performed. If we see more than a threshold number of find class def misses on a dex file lazily compute an index, so that future lookups are constant time (part of the collection code is taken from https://android-review.googlesource.com/#/c/103865/3). Note that we take a lazy approach so that we don't serialize on loading dex files, this avoids the reason the index was removed in 8b2c0b9abc3f520495f4387ea040132ba85cae69. Remove an implicit and unnecessary std::string creation for PrintableString. Single threaded interpret-only dex2oat performance is improved by roughly 10%. Bug: 16853450 Change-Id: Icf72df76b0a4328f2a24075e81f4ff267b9401f4
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cb6b0f31ede2275e79e6199ec391147585a37a2a |
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12-Aug-2014 |
Ian Rogers <irogers@google.com> |
Avoid use of std::string where we have const char*. Removing the ClassHelper caused std::string creation for all calls to Class::GetDescriptor and a significant performance regression. Make the std::string an out argument so the caller can maintain it and its life time while allowing GetDescriptor to return the common const char* case. Don't generate GC maps when compilation is disabled. Remove other uses of std::string that are occuring on critical paths. Use the cheaper SkipClass in CompileMethod in CompilerDriver. Specialize the utf8 as utf16 comparison code for the common shorter byte encoding. Force a bit of inlining, remove some UNLIKELYs (they are prone to pessimizing code), add some LIKELYs. x86-64 host 1-thread interpret-only of 57 apks: Before: 29.539s After: 23.467s Regular compile: Before: 1m35.347s After: 1m20.056s Bug: 16853450 Change-Id: Ic705ea24784bee24ab80084d06174cbf87d557ad Conflicts: runtime/utils.cc
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1ff3c98775a4577cf053dba9a0c2d5c21c07b298 |
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12-Aug-2014 |
Ian Rogers <irogers@google.com> |
Avoid use of std::string where we have const char*. Removing the ClassHelper caused std::string creation for all calls to Class::GetDescriptor and a significant performance regression. Make the std::string an out argument so the caller can maintain it and its life time while allowing GetDescriptor to return the common const char* case. Don't generate GC maps when compilation is disabled. Remove other uses of std::string that are occuring on critical paths. Use the cheaper SkipClass in CompileMethod in CompilerDriver. Specialize the utf8 as utf16 comparison code for the common shorter byte encoding. Force a bit of inlining, remove some UNLIKELYs (they are prone to pessimizing code), add some LIKELYs. x86-64 host 1-thread interpret-only of 57 apks: Before: 29.539s After: 23.467s Regular compile: Before: 1m35.347s After: 1m20.056s Bug: 16853450 Change-Id: Ic705ea24784bee24ab80084d06174cbf87d557ad
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4ef12f5b0e26c6016c87866f6a33da5ed8e98d74 |
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01-Aug-2014 |
Andreas Gampe <agampe@google.com> |
ART: Add guards to the dex cache and its shortcuts Do not return fields, methods or classes if the (declaring) class is erroneous. Bug: 16692788 (cherry picked from commit 58a5af8568d224ca7eccf2483396ff9862f8d1ee) Change-Id: I7d3e4cb8113e2e764ed7433eed25e1031e6a0f14
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58a5af8568d224ca7eccf2483396ff9862f8d1ee |
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01-Aug-2014 |
Andreas Gampe <agampe@google.com> |
ART: Add guards to the dex cache and its shortcuts Do not return fields, methods or classes if the (declaring) class is erroneous. Bug: 16692788 Change-Id: If43c2414ad0eb22db5eba7cf66396c7f16c26597
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94f7b49578b6aaa80de8ffed230648d601393905 |
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23-Jul-2014 |
Hiroshi Yamauchi <yamauchi@google.com> |
Add GcRoot to clean up and enforce read barriers. Introduce a value-type wrapper around Object* for GC roots so that 1) we won't have to directly add the read barrier code in many places and 2) we can avoid accidentally bypassing/missing read barriers on GC roots (the GcRoot interface ensures that the read barrier is executed on a read). The jdwp test passed. Bug: 12687968 Change-Id: Ib167c7c325b3c7e3900133578815f04d219972a1
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22d5e735f403c57525fe868304c7123f0ce66399 |
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16-Jul-2014 |
Ian Rogers <irogers@google.com> |
Remove object_utils.h. Break into object_lock, field_helper and method_helper. Clean up header files following this. Also tidy some of the Handle code in response to compiler errors when resolving the changes in this CL. Change-Id: I73e63015a0f02a754d0866bfaf58208aebcaa295
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e9e3e697f0c426132bee10aaa6aee9107d2d7dc6 |
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24-Jun-2014 |
Hiroshi Yamauchi <yamauchi@google.com> |
Add more read barriers to the class linker. This change makes it possible to concurrently scan the remaining roots in the class linker (the non-class-table roots that are visited by ClassLinker::VisitRoots()) by adding read barriers. Bug: 12687968 Change-Id: I66fecf7a303eee7537429e018f38da8270b18c67
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52e4b43d62896b56f8c2bd041e528472bb4a0d8d |
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10-Jun-2014 |
Mathieu Chartier <mathieuc@google.com> |
Add mark compact collector. The mark compact collector is a 4 phase collection, doing a normal full mark_sweep, calculating forwarding addresses of objects in the from space, updating references of objects in the from space, and moving the objects in the from space. Support is diabled by default since it needs to have non movable classes and field arrays. Performance numbers is around 50% as fast. The main advantage that this has over semispace is that the worst case memory usage is 50% since we only need one space isntead of two. TODO: Make field arrays and classes movable. This causes complication since Object::VisitReferences relies on these, so if we update the fields of an object but another future object uses this object to figure out what fields are reference fields it doesn't work. Bug: 14059466 Change-Id: I661ed3b71ad4dde124ef80312c95696b4a5665a1
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bc56fc3242ea2fad6630abdee1657f444eee8d30 |
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04-Jun-2014 |
Mathieu Chartier <mathieuc@google.com> |
Fix compiler warnings. Added GetReference, GetHandle to StackHandleScope to prevent the compiler from optimizing away these loads/stores from inline functions. Change-Id: I4db02dd3194665d844292e74e3a7d7c80e730e06
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ffddfdf6fec0b9d98a692e27242eecb15af5ead2 |
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03-Jun-2014 |
Tim Murray <timmurray@google.com> |
DO NOT MERGE Merge ART from AOSP to lmp-preview-dev. Change-Id: I0f578733a4b8756fd780d4a052ad69b746f687a9
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b74cd29802f364b4cec88f4913fa38ade26b8fab |
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29-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Compaction cleanup for FindArrayClass. We now pass double pointer in to signify that it can cause thread suspension, this double pointer gets wrapped by a handle if don't find the array class in the cache. Change-Id: I43436b6c35597c7252b65d1180baddb5ac4caabb
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0cd81352a7c06e381951cea1b104fd73516f4341 |
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23-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Revert "Revert "Fix an outstanding compaction bug in interpreter."" Fixed the generic trampoline to not use ToJObject when unnecessary. Bug: 15167269 This reverts commit 3bdb873122964da7937eb070cbcf2ef638a8e459. Change-Id: I0525d0e0f3afb753c770e1572070a0fa22b02271
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3bdb873122964da7937eb070cbcf2ef638a8e459 |
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23-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Revert "Fix an outstanding compaction bug in interpreter." This reverts commit e09ae0920be57760fb390b6944bce420fa0b5582. Change-Id: I48036306130d5ccfec683d0dc3e9a642a02ee9c1
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e09ae0920be57760fb390b6944bce420fa0b5582 |
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15-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Fix an outstanding compaction bug in interpreter. 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
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f832284dd847ff077577bb5712225430bbbb3b67 |
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16-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Delete ClassHelper and fix compaction bug in GetDirectInterface Cleanup helps to prevent compaction bugs. Fixed a fairly serious compaction error caused by calling ClassHelper::GetDirectInterface without handling the case where it causes thread suspension due to ResolveType. Bug: 8981901 Change-Id: I82b3bb6dd48d21eb6ece7aae0733c4a23c2bc408
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eb8167a4f4d27fce0530f6724ab8032610cd146b |
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08-May-2014 |
Mathieu Chartier <mathieuc@google.com> |
Add Handle/HandleScope and delete SirtRef. 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
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eebe03a576f7f7b0565f43be4ac0da21324d721e |
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02-May-2014 |
Ian Rogers <irogers@google.com> |
Assert dex-cache is populated following resolution in debug builds. Change-Id: I71bf6677935bbf6963c0d368fec3a28a454edbc6
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c645f1ddb7c40bea6a38eda4b3f83f6b6dec405b |
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07-Mar-2014 |
Mathieu Chartier <mathieuc@google.com> |
Add more VerifyObject calls. 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
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f9c612f2e657adb0764285256b228622e0789254 |
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27-Feb-2014 |
Ian Rogers <irogers@google.com> |
Support in VMRuntime for allocating "unpadded" arrays. Bug: 13028925. Change-Id: I0a53645f0468aaf44d38aabe016cb610fcfefaf7
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a55cf41c9d1da7ee8b2f63974dedfb484042dd03 |
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27-Feb-2014 |
Ian Rogers <irogers@google.com> |
Ensure usable space data is zeroed in arrays. Address other outstanding review comments. Change-Id: Iaffe04de080772a0d0c5fd973bcac0e23c8c3e25
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9837939678bb5dcba178e5fb00ed59b5d14c8d9b |
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25-Feb-2014 |
Ian Rogers <irogers@google.com> |
Avoid std::string allocations for finding an array class. 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
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ef7d42fca18c16fbaf103822ad16f23246e2905d |
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06-Jan-2014 |
Ian Rogers <irogers@google.com> |
Object model changes to support 64bit. 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
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590fee9e8972f872301c2d16a575d579ee564bee |
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13-Sep-2013 |
Mathieu Chartier <mathieuc@google.com> |
Compacting collector. 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
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ea46f950e7a51585db293cd7f047de190a482414 |
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30-Jul-2013 |
Brian Carlstrom <bdc@google.com> |
Refactor java.lang.reflect implementation 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
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fc0e3219edc9a5bf81b166e82fd5db2796eb6a0d |
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17-Jul-2013 |
Brian Carlstrom <bdc@google.com> |
Fix multiple inclusion guards to match new pathnames Change-Id: Id7735be1d75bc315733b1773fba45c1deb8ace43
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7940e44f4517de5e2634a7e07d58d0fb26160513 |
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12-Jul-2013 |
Brian Carlstrom <bdc@google.com> |
Create separate Android.mk for main build targets 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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