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 <cstddef>
17 #include <cstdint>
18 #include <gtest/gtest.h>
19 #include <sstream>
20 #include <type_traits>
21
22 #include "bytecode_instruction-inl.h"
23
24 namespace panda::test {
25
TEST(BytecodeInstruction,Signed)26 TEST(BytecodeInstruction, Signed)
27 {
28 {
29 // jeqz 23
30 const uint8_t bytecode[] = {0x4f, 0x17};
31 BytecodeInstruction inst(bytecode);
32 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x4f);
33 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_V8_V8_V8, 0>()), static_cast<int8_t>(0x17));
34 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_V8_V8_V8, 0, true>()),
35 static_cast<int8_t>(0x17));
36 }
37
38 {
39 // jmp -22
40 const uint8_t bytecode[] = {0x4d, 0xea};
41 BytecodeInstruction inst(bytecode);
42 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x4d);
43 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8, 0>()), static_cast<int8_t>(-22));
44 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8, 0, true>()), static_cast<int8_t>(-22));
45 }
46
47 {
48 // ldai 30
49 const uint8_t bytecode[] = {0x62, 0x1e, 0x00, 0x00, 0x00};
50 BytecodeInstruction inst(bytecode);
51 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x62);
52 EXPECT_EQ(inst.GetFormat(), BytecodeInstruction::Format::IMM32);
53 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM32, 0>()), static_cast<int32_t>(0x1e));
54 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM32, 0, true>()), static_cast<int32_t>(0x1e));
55 }
56
57 {
58 // fldai 3.14
59 const uint8_t bytecode[] = {0x63, 0x1f, 0x85, 0xeb, 0x51, 0xb8, 0x1e, 0x09, 0x40};
60 BytecodeInstruction inst(bytecode);
61 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x63);
62 EXPECT_EQ((bit_cast<double>(inst.GetImm<BytecodeInstruction::Format::IMM64, 0, true>())), 3.14);
63 }
64 }
65
TEST(BytecodeInstruction,UnsignedOneImm)66 TEST(BytecodeInstruction, UnsignedOneImm)
67 {
68 {
69 // callthis2 142, v0, v2, v3
70 const uint8_t bytecode[] = {0x2f, 0x8e, 0x00, 0x02, 0x03};
71 BytecodeInstruction inst(bytecode);
72 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x2f);
73 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_V8_V8_V8, 0>()), static_cast<int8_t>(0x8e));
74 EXPECT_NE((inst.GetImm<BytecodeInstruction::Format::IMM8_V8_V8_V8, 0>()), static_cast<uint8_t>(0x8e));
75 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_V8_V8_V8, 0, false>()),
76 static_cast<uint8_t>(0x8e));
77 }
78
79 {
80 // neg 13
81 const uint8_t bytecode[] = {0x1f, 0x0d};
82 BytecodeInstruction inst(bytecode);
83 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x1f);
84 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8, 0>()), static_cast<int8_t>(0x0d));
85 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8, 0, false>()),
86 static_cast<uint8_t>(0x0d));
87 }
88
89 {
90 // tryldglobalbyname 128, id6
91 const uint8_t bytecode[] = {0x8c, 0x80, 0x00, 0x06, 0x00};
92 BytecodeInstruction inst(bytecode);
93 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x8c);
94 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM16_ID16, 0>()), static_cast<int16_t>(0x80));
95 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM16_ID16, 0, false>()),
96 static_cast<uint16_t>(0x80));
97 }
98 }
99
TEST(BytecodeInstruction,UnsignedTwoImm)100 TEST(BytecodeInstruction, UnsignedTwoImm)
101 {
102 {
103 // stlexvar 0, 2
104 const uint8_t bytecode[] = {0x3d, 0x20};
105 BytecodeInstruction inst(bytecode);
106 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x3d);
107 EXPECT_EQ(inst.GetFormat(), BytecodeInstruction::Format::IMM4_IMM4);
108 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM4_IMM4, 0>()), 0);
109 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM4_IMM4, 1>()), 2);
110 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM4_IMM4, 0, false>()), 0);
111 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM4_IMM4, 1, false>()), 2);
112 }
113
114 {
115 // definefunc 2, id8, 1
116 const uint8_t bytecode[] = {0x33, 0x02, 0x08, 0x00, 0x01};
117 BytecodeInstruction inst(bytecode);
118 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x33);
119 EXPECT_EQ(inst.GetFormat(), BytecodeInstruction::Format::IMM8_ID16_IMM8);
120 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_IMM8, 0>()), static_cast<int8_t>(2));
121 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_IMM8, 1>()), static_cast<int8_t>(1));
122 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_IMM8, 0, false>()), static_cast<int8_t>(2));
123 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_IMM8, 1, false>()), static_cast<int8_t>(1));
124 }
125
126 {
127 // defineclasswithbuffer 2, id9, id12, 2, v3
128 const uint8_t bytecode[] = {0x35, 0x02, 0x09, 0x00, 0x0c, 0x00, 0x02, 0x00, 0x03};
129 BytecodeInstruction inst(bytecode);
130 EXPECT_EQ(static_cast<uint8_t>(inst.GetOpcode()), 0x35);
131 EXPECT_EQ(inst.GetFormat(), BytecodeInstruction::Format::IMM8_ID16_ID16_IMM16_V8);
132 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_ID16_IMM16_V8, 0>()), static_cast<int8_t>(2));
133 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_ID16_IMM16_V8, 1>()), static_cast<int16_t>(2));
134 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_ID16_IMM16_V8, 0, false>()),
135 static_cast<uint8_t>(2));
136 EXPECT_EQ((inst.GetImm<BytecodeInstruction::Format::IMM8_ID16_ID16_IMM16_V8, 1, false>()),
137 static_cast<uint16_t>(2));
138 }
139 }
140
TEST(BytecodeInstruction,OutputOperator)141 TEST(BytecodeInstruction, OutputOperator)
142 {
143 {
144 const uint8_t bytecode[] = {0x4f, 0x17};
145 BytecodeInstruction inst(bytecode);
146 std::ostringstream oss;
147 oss << inst;
148 EXPECT_EQ(oss.str(), "jeqz 23");
149 }
150
151 {
152 const uint8_t bytecode[] = {0x4d, 0xea};
153 BytecodeInstruction inst(bytecode);
154 std::ostringstream oss;
155 oss << inst;
156 EXPECT_EQ(oss.str(), "jmp -22");
157 }
158
159 {
160 const uint8_t bytecode[] = {0x62, 0x1e, 0x00, 0x00, 0x00};
161 BytecodeInstruction inst(bytecode);
162 std::ostringstream oss;
163 oss << inst;
164 EXPECT_EQ(oss.str(), "ldai 30");
165 }
166
167 {
168 const uint8_t bytecode[] = {0x63, 0x1f, 0x85, 0xeb, 0x51, 0xb8, 0x1e, 0x09, 0x40};
169 BytecodeInstruction inst(bytecode);
170 std::ostringstream oss;
171 oss << inst;
172 EXPECT_EQ(oss.str(), "fldai 3.14");
173 }
174
175 {
176 const uint8_t bytecode[] = {0x2d, 0x80, 0x00};
177 BytecodeInstruction inst(bytecode);
178 std::ostringstream oss;
179 oss << inst;
180 EXPECT_EQ(oss.str(), "callthis0 128, v0");
181 }
182 }
183
184 } // namespace panda::test
185