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| author | Mathieu Chartier <mathieuc@google.com> | 2015-04-24 16:55:16 -0700 |
|---|---|---|
| committer | Andreas Gampe <agampe@google.com> | 2015-04-25 22:08:16 +0000 |
| commit | f36cb5f65cb150151aa40b23937e2b0ad75cc546 (patch) | |
| tree | 25365c69a089bc491a4b070ee3403be964cfc606 /runtime/reflection.h | |
| parent | 33984b4d6b79b2d65258e69506e5669be704db82 (diff) | |
| download | art-f36cb5f65cb150151aa40b23937e2b0ad75cc546.zip art-f36cb5f65cb150151aa40b23937e2b0ad75cc546.tar.gz art-f36cb5f65cb150151aa40b23937e2b0ad75cc546.tar.bz2 | |
Move Class.newInstance to native
Avoids 1 allocation and several JNI transitions.
Before:
Class_classNewInstance: 4462.39 ns; σ=39.42 ns @ 3 trials
After:
Class_classNewInstance: 1073.39 ns; σ=24.14 ns @ 10 trials
Bug: 20269715
Bug: 20566996
Change-Id: Icd52155ce79a978a4d869855bfdfd7735abd8187
Diffstat (limited to 'runtime/reflection.h')
| -rw-r--r-- | runtime/reflection.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/runtime/reflection.h b/runtime/reflection.h index c63f858..6305d68 100644 --- a/runtime/reflection.h +++ b/runtime/reflection.h @@ -77,6 +77,15 @@ bool VerifyAccess(Thread* self, mirror::Object* obj, mirror::Class* declaring_cl uint32_t access_flags, mirror::Class** calling_class, size_t num_frames) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); +// This version takes a known calling class. +bool VerifyAccess(Thread* self, mirror::Object* obj, mirror::Class* declaring_class, + uint32_t access_flags, mirror::Class* calling_class) + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + +// Get the calling class by using a stack visitor, may return null for unattached native threads. +mirror::Class* GetCallingClass(Thread* self, size_t num_frames) + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); + void InvalidReceiverError(mirror::Object* o, mirror::Class* c) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |