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* ART: Make the PathClassLoader fast-path recursiveAndreas Gampe2015-04-141-2/+2
| | | | | | | | | | Allow an arbitrary nesting of path class-loaders. This will also handle the fake java.lang.BootClassLoader as a class-loader object correctly (which is of some importance to compile-time initialization). Bug: 19781184 Bug: 19542228 Change-Id: I61f0249cf4ec8df08a83ccbd29bcf067619c28c0
* Add hash map, reduce excessive hashingMathieu Chartier2014-11-071-2/+4
| | | | | | | | | | | | | | | | | | | | | | | Changed the class def index to use a HashMap instead of unordered_map so that we can use FindWithHash to reduce how often we need to compute hashes. Fixed a bug in ClassLinker::UpdateClass where we didn't properly handle classes with the same descriptor but different class loaders. Introduced by previous CL. Before (fb launch): 1.74% art::ComputeModifiedUtf8Hash(char const*) After: 0.95% art::ComputeModifiedUtf8Hash(char const*) Bug: 18054905 Bug: 16828525 Change-Id: Iba2ee37c9837289e0ea187800ba4af322225a994 (cherry picked from commit 564ff985184737977aa26c485d0c1a413e530705)
* ART: More warningsAndreas Gampe2014-11-041-0/+2
| | | | | | | Enable -Wno-conversion-null, -Wredundant-decls and -Wshadow in general, and -Wunused-but-set-parameter for GCC builds. Change-Id: I81bbdd762213444673c65d85edae594a523836e5
* Compile time performance improvements focusing on interpret-only.Ian Rogers2014-09-121-8/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reduce virtual method dispatch in the method verifier and make more code inline-able. Add a StringPiece with const char* equality operator to avoid redundant StringPieces and strlens. Remove back link from register line to verifier and pass as argument to reduce size of RegisterLine. Remove instruction length from instruction flags and compute from the instruction, again to reduce size. Add suspend checks to resolve and verify to allow for more easy monitor inflation and reduce contention on Locks::thread_list_suspend_thread_lock_. Change ThrowEarlierClassFailure to throw pre-allocated exception. Avoid calls to Thread::Current() by passing self. Template specialize IsValidClassName. Make ANR reporting with SIGQUIT run using checkpoints rather than suspending all threads. This makes the stack/lock analysis less lock error prone. Extra Barrier assertions and condition variable time out is now returned as a boolean both from Barrier and ConditionVariable::Wait. 2 threaded host x86-64 interpret-only numbers from 341 samples: Before change: Avg 176.137ms 99% CI 3.468ms to 1060.770ms After change: Avg 139.163% 99% CI 3.027ms to 838.257ms Reduction in average compile time after change is 20.9%. Slow-down without change is 26.5%. Bug: 17471626 - Fix bug where RegTypeCache::JavaLangObject/String/Class/Throwable could return unresolved type when class loading is disabled. Bug: 17398101 Change-Id: Id59ce3cc520701c6ecf612f7152498107bc40684
* Add fast path to VMClassLoader.findLoadedClassMathieu Chartier2014-09-111-6/+13
| | | | | | | | | | | | | | | | | | | VMClassLoader.findLoadedClass now calls FindClassInPathClassLoader as a fast path. Exclusive time results (trace view maps launch): Before: nativeFillInStackTrace 1.4% defineClassNative 1.2% findLoadedClass 0.2% After: nativeFillInStackTrace 0.5% defineClassNative 0.0% findLoadedClass 0.9% (cherry picked from commit 194116c836080de14245a3a7c4617d07b8abf8cf) Change-Id: I63fd7b4bccb71789e92bd39d1d3f9d0de22535de
* ART: Account for multidex location strings in VMClassLoaderAndreas Gampe2014-07-241-7/+10
| | | | | | | To look up resources, look in the unadorned location. Bug: 16530747 Change-Id: Ia97e39366444f6666a78ade7298d3c22b4b79f8a
* Now we have a proper C++ library, use std::unique_ptr.Ian Rogers2014-05-191-2/+2
| | | | | | | Also remove the Android.libcxx.mk and other bits of stlport compatibility mechanics. Change-Id: Icdf7188ba3c79cdf5617672c1cfd0a68ae596a61
* Refactor reflective method invocation.Ian Rogers2014-03-141-4/+4
| | | | | | | | | | Move invocation code out of JNI internal into reflection, including ArgArray code. Make reflective invocation use the ArgArray to build arguments rather than allocating a jvalue[] and unboxing arguments into that. Move reflection part of jni_internal_test into reflection_test. Make greater use of fast JNI. Change-Id: Ib381372df5f9a83679e30e7275de24fa0e6b1057
* Use libziparchive for art zip processing.Narayan Kamath2013-12-091-1/+1
| | | | | | | | | | | This is part of the effort to move all VM & framework zip parsing to a common implementation. This also has the side effect of fixing various TODOs related to crc32 checking. bug: 10193060 Change-Id: I407f9ad5a94fc91d96ff43556adde00a00df1f14
* Throw IOException at source of failing to open a dex file.Ian Rogers2013-10-211-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before is: java.lang.ClassNotFoundException: Didn't find class "GCBench" on path: DexPathList[[zip file "/disk2/dalvik-dev/out/host/linux-x86/framework/GCBench.jar"],nativeLibraryDirectories=[/disk2/dalvik-dev/out/host/linux-x86/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) Suppressed: java.lang.ClassNotFoundException: GCBench at java.lang.Class.classForName(Native Method) at java.lang.BootClassLoader.findClass(ClassLoader.java:781) at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) at java.lang.ClassLoader.loadClass(ClassLoader.java:504) ... 1 more Caused by: java.lang.NoClassDefFoundError: Class "LGCBench;" not found ... 5 more And after is: java.lang.ClassNotFoundException: Didn't find class "GCBench" on path: DexPathList[[zip file "/disk2/dalvik-dev/out/host/linux-x86/framework/GCBench.jar"],nativeLibraryDirectories=[/disk2/dalvik-dev/out/host/linux-x86/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at java.lang.ClassLoader.loadClass(ClassLoader.java:511) at java.lang.ClassLoader.loadClass(ClassLoader.java:469) Suppressed: java.io.IOException: Zip archive '/disk2/dalvik-dev/out/host/linux-x86/framework/GCBench.jar' doesn't contain classes.dex at dalvik.system.DexFile.openDexFile(Native Method) at dalvik.system.DexFile.<init>(DexFile.java:80) at dalvik.system.DexFile.<init>(DexFile.java:59) at dalvik.system.DexPathList.loadDexFile(DexPathList.java:268) at dalvik.system.DexPathList.makeDexElements(DexPathList.java:235) at dalvik.system.DexPathList.<init>(DexPathList.java:113) at dalvik.system.BaseDexClassLoader.<init>(BaseDexClassLoader.java:48) at dalvik.system.PathClassLoader.<init>(PathClassLoader.java:38) at java.lang.ClassLoader.createSystemClassLoader(ClassLoader.java:128) at java.lang.ClassLoader.access$000(ClassLoader.java:65) at java.lang.ClassLoader$SystemClassLoader.<clinit>(ClassLoader.java:81) at java.lang.ClassLoader.getSystemClassLoader(ClassLoader.java:137) Suppressed: java.lang.ClassNotFoundException: GCBench at java.lang.Class.classForName(Native Method) at java.lang.BootClassLoader.findClass(ClassLoader.java:781) at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) at java.lang.ClassLoader.loadClass(ClassLoader.java:504) ... 1 more Caused by: java.lang.NoClassDefFoundError: Class "LGCBench;" not found ... 5 more Also, move dex file verifier messages out of logs. In the process the ClassLinker::dex_lock_ needed tidying to cover a smaller scope. Bug 11301553. Change-Id: I80058652e11e7ea63457cc01a0cb48afe1c15543
* Create separate Android.mk for main build targetsBrian Carlstrom2013-07-121-0/+99
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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