1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ecmascript/compiler/baseline/baseline_stub_builder.h"
17 #include "ecmascript/compiler/access_object_stub_builder.h"
18 #include "ecmascript/global_env.h"
19 #include "ecmascript/js_async_generator_object.h"
20 #include "ecmascript/js_arguments.h"
21 #include "ecmascript/js_function.h"
22 #include "ecmascript/js_generator_object.h"
23 #include "ecmascript/compiler/stub_builder-inl.h"
24
25 namespace panda::ecmascript::kungfu {
26 using namespace panda::ecmascript;
27
GetHomeObjectFromFunction(GateRef function)28 GateRef BaselineStubBuilder::GetHomeObjectFromFunction(GateRef function)
29 {
30 return Load(VariableType::JS_POINTER(), function, IntPtr(JSFunction::HOME_OBJECT_OFFSET));
31 }
32
GetResumeModeFromGeneratorObject(GateRef obj)33 GateRef BaselineStubBuilder::GetResumeModeFromGeneratorObject(GateRef obj)
34 {
35 GateRef bitfieldOffset = IntPtr(JSGeneratorObject::BIT_FIELD_OFFSET);
36 GateRef bitfield = Load(VariableType::INT32(), obj, bitfieldOffset);
37 return Int32And(
38 Int32LSR(bitfield, Int32(JSGeneratorObject::ResumeModeBits::START_BIT)),
39 Int32((1LU << JSGeneratorObject::ResumeModeBits::SIZE) - 1));
40 }
41
GetResumeModeFromAsyncGeneratorObject(GateRef obj)42 GateRef BaselineStubBuilder::GetResumeModeFromAsyncGeneratorObject(GateRef obj)
43 {
44 GateRef bitfieldOffset = IntPtr(JSAsyncGeneratorObject::BIT_FIELD_OFFSET);
45 GateRef bitfield = Load(VariableType::INT32(), obj, bitfieldOffset);
46 return Int32And(
47 Int32LSR(bitfield, Int32(JSAsyncGeneratorObject::ResumeModeBits::START_BIT)),
48 Int32((1LU << JSAsyncGeneratorObject::ResumeModeBits::SIZE) - 1));
49 }
50
GetLastLeaveFrame(GateRef glue)51 GateRef BaselineStubBuilder::GetLastLeaveFrame(GateRef glue)
52 {
53 bool isArch32 = GetEnvironment()->Is32Bit();
54 GateRef spOffset = IntPtr(JSThread::GlueData::GetLeaveFrameOffset(isArch32));
55 return Load(VariableType::NATIVE_POINTER(), glue, spOffset);
56 }
57
GetProfileTypeInfoFromFunction(GateRef function)58 GateRef BaselineStubBuilder::GetProfileTypeInfoFromFunction(GateRef function)
59 {
60 GateRef raw = Load(VariableType::JS_POINTER(), function, IntPtr(JSFunction::RAW_PROFILE_TYPE_INFO_OFFSET));
61 return Load(VariableType::JS_POINTER(), raw, IntPtr(ProfileTypeInfoCell::VALUE_OFFSET));
62 }
63
GetModuleFromFunction(GateRef function)64 GateRef BaselineStubBuilder::GetModuleFromFunction(GateRef function)
65 {
66 return Load(VariableType::JS_POINTER(), function, IntPtr(JSFunction::ECMA_MODULE_OFFSET));
67 }
68
69 } // namespace panda::ecmascript::kungfu
70