xref: /aosp_15_r20/art/runtime/arch/context.cc (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1 /*
2  * Copyright (C) 2011 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 #include "context-inl.h"
18 
19 namespace art HIDDEN {
20 
Create()21 Context* Context::Create() {
22   return new RuntimeContextType;
23 }
24 
25 // Copy the GPRs and FPRs from the given thread's context to the given buffers. This function
26 // expects that a long jump (art_quick_do_long_jump) is called afterwards.
artContextCopyForLongJump(Context * context,uintptr_t * gprs,uintptr_t * fprs)27 extern "C" void artContextCopyForLongJump(Context* context, uintptr_t* gprs, uintptr_t* fprs) {
28   context->CopyContextTo(gprs, fprs);
29   // Once the context has been copied, it is no longer needed.
30   // The context pointer is passed via hand-written assembly stubs, otherwise we'd take the
31   // context argument as a `std::unique_ptr<>` to indicate the ownership handover.
32   delete context;
33 }
34 
35 }  // namespace art
36