1 /*
2 * Copyright (c) 2022-2024 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/assembler/aarch64/extend_assembler.h"
17
18
19 namespace panda::ecmascript::aarch64 {
20 Register ExtendedAssembler::ghcJSCallDispacherArgs_[JS_CALL_DISPATCHER_ARGS_COUNT] = {
21 X19, FP, X20, X21, X22, X23, X24, X25, X26
22 };
23 Register ExtendedAssembler::cppJSCallDispacherArgs_[JS_CALL_DISPATCHER_ARGS_COUNT] = {
24 X0, FP, X1, X2, X3, X4, X5, X6, X7
25 };
26
CalleeSave()27 void ExtendedAssembler::CalleeSave()
28 {
29 Register sp(SP);
30 Stp(Register(X27), Register(X28), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
31 Stp(Register(X25), Register(X26), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
32 Stp(Register(X23), Register(X24), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
33 Stp(Register(X21), Register(X22), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
34 Stp(Register(X19), Register(X20), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
35
36 Stp(VectorRegister(v14), VectorRegister(v15), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
37 Stp(VectorRegister(v12), VectorRegister(v13), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
38 Stp(VectorRegister(v10), VectorRegister(v11), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
39 Stp(VectorRegister(v8), VectorRegister(v9), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
40 }
41
CalleeRestore()42 void ExtendedAssembler::CalleeRestore()
43 {
44 Register sp(SP);
45 Ldp(VectorRegister(v8), VectorRegister(v9), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
46 Ldp(VectorRegister(v10), VectorRegister(v11), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
47 Ldp(VectorRegister(v12), VectorRegister(v13), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
48 Ldp(VectorRegister(v14), VectorRegister(v15), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
49 Ldp(Register(X19), Register(X20), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
50 Ldp(Register(X21), Register(X22), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
51 Ldp(Register(X23), Register(X24), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
52 Ldp(Register(X25), Register(X26), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
53 Ldp(Register(X27), Register(X28), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
54 }
55
CallAssemblerStub(int id,bool isTail)56 void ExtendedAssembler::CallAssemblerStub(int id, bool isTail)
57 {
58 Label *target = module_->GetFunctionLabel(id);
59 isTail ? B(target) : Bl(target);
60 }
61
BindAssemblerStub(int id)62 void ExtendedAssembler::BindAssemblerStub(int id)
63 {
64 Label *target = module_->GetFunctionLabel(id);
65 Bind(target);
66 auto callSigns = module_->GetCSigns();
67 auto cs = callSigns[id];
68 isGhcCallingConv_ = cs->GetCallConv() == kungfu::CallSignature::CallConv::GHCCallConv;
69 }
70
PushFpAndLr()71 void ExtendedAssembler::PushFpAndLr()
72 {
73 Register sp(SP);
74 Stp(Register(X29), Register(X30), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
75 }
76
SaveFpAndLr()77 void ExtendedAssembler::SaveFpAndLr()
78 {
79 Register sp(SP);
80 Stp(Register(X29), Register(X30), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
81 Mov(Register(X29), Register(SP));
82 }
83
RestoreFpAndLr()84 void ExtendedAssembler::RestoreFpAndLr()
85 {
86 Register sp(SP);
87 Ldp(Register(X29), Register(X30), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
88 }
89
PushLrAndFp()90 void ExtendedAssembler::PushLrAndFp()
91 {
92 Register sp(SP);
93 Stp(Register(X30), Register(X29), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
94 }
95
SaveLrAndFp()96 void ExtendedAssembler::SaveLrAndFp()
97 {
98 Register sp(SP);
99 Stp(Register(X30), Register(X29), MemoryOperand(sp, -PAIR_SLOT_SIZE, PREINDEX));
100 Mov(Register(X29), Register(SP));
101 }
102
RestoreLrAndFp()103 void ExtendedAssembler::RestoreLrAndFp()
104 {
105 Register sp(SP);
106 Ldp(Register(X30), Register(X29), MemoryOperand(sp, PAIR_SLOT_SIZE, POSTINDEX));
107 }
108
PushArgc(int32_t argc,Register op,Register fp)109 void ExtendedAssembler::PushArgc(int32_t argc, Register op, Register fp)
110 {
111 Mov(op, Immediate(JSTaggedValue(argc).GetRawData()));
112 Str(op, MemoryOperand(fp, -8, PREINDEX)); // -8: 8 bytes
113 }
114
PushArgc(Register argc,Register op,Register fp)115 void ExtendedAssembler::PushArgc(Register argc, Register op, Register fp)
116 {
117 Orr(op, argc, LogicalImmediate::Create(JSTaggedValue::TAG_INT, RegXSize));
118 Str(op, MemoryOperand(fp, -8, PREINDEX)); // -8: 8 bytes
119 }
120
Align16(Register fp)121 void ExtendedAssembler::Align16(Register fp)
122 {
123 Label aligned;
124 Tst(fp, LogicalImmediate::Create(0xf, RegXSize)); // 0xf: 0x1111
125 B(Condition::EQ, &aligned);
126 // 8: frame slot size
127 Sub(fp, fp, Immediate(8));
128 Bind(&aligned);
129 }
130 } // namespace panda::ecmascript::aarch64