callee_save_frame.h revision 166db04e259ca51838c311891598664deeed85ad 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
18#define ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
19
20#include "base/mutex.h"
21#include "thread-inl.h"
22
23namespace art {
24namespace mirror {
25class AbstractMethod;
26}  // namespace mirror
27
28// Place a special frame at the TOS that will save the callee saves for the given type.
29static void FinishCalleeSaveFrameSetup(Thread* self, mirror::AbstractMethod** sp,
30                                       Runtime::CalleeSaveType type)
31    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
32  // Be aware the store below may well stomp on an incoming argument.
33  Locks::mutator_lock_->AssertSharedHeld(self);
34  *sp = Runtime::Current()->GetCalleeSaveMethod(type);
35  self->SetTopOfStack(sp, 0);
36  self->VerifyStack();
37}
38
39}  // namespace art
40
41#endif  // ART_RUNTIME_ENTRYPOINTS_QUICK_CALLEE_SAVE_FRAME_H_
42