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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 92 | 92 |
| 93 | 93 |
| 94 static void InitializeVM() { | 94 static void InitializeVM() { |
| 95 if (env.IsEmpty()) { | 95 if (env.IsEmpty()) { |
| 96 env = v8::Context::New(); | 96 env = v8::Context::New(); |
| 97 } | 97 } |
| 98 } | 98 } |
| 99 | 99 |
| 100 | 100 |
| 101 TEST(AssemblerX64ReturnOperation) { | 101 TEST(AssemblerX64ReturnOperation) { |
| 102 OS::Setup(); | 102 OS::SetUp(); |
| 103 // Allocate an executable page of memory. | 103 // Allocate an executable page of memory. |
| 104 size_t actual_size; | 104 size_t actual_size; |
| 105 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 105 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 106 &actual_size, | 106 &actual_size, |
| 107 true)); | 107 true)); |
| 108 CHECK(buffer); | 108 CHECK(buffer); |
| 109 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 109 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 110 | 110 |
| 111 // Assemble a simple function that copies argument 2 and returns it. | 111 // Assemble a simple function that copies argument 2 and returns it. |
| 112 __ movq(rax, arg2); | 112 __ movq(rax, arg2); |
| 113 __ nop(); | 113 __ nop(); |
| 114 __ ret(0); | 114 __ ret(0); |
| 115 | 115 |
| 116 CodeDesc desc; | 116 CodeDesc desc; |
| 117 assm.GetCode(&desc); | 117 assm.GetCode(&desc); |
| 118 // Call the function from C++. | 118 // Call the function from C++. |
| 119 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 119 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 120 CHECK_EQ(2, result); | 120 CHECK_EQ(2, result); |
| 121 } | 121 } |
| 122 | 122 |
| 123 TEST(AssemblerX64StackOperations) { | 123 TEST(AssemblerX64StackOperations) { |
| 124 OS::Setup(); | 124 OS::SetUp(); |
| 125 // Allocate an executable page of memory. | 125 // Allocate an executable page of memory. |
| 126 size_t actual_size; | 126 size_t actual_size; |
| 127 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 127 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 128 &actual_size, | 128 &actual_size, |
| 129 true)); | 129 true)); |
| 130 CHECK(buffer); | 130 CHECK(buffer); |
| 131 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 131 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 132 | 132 |
| 133 // Assemble a simple function that copies argument 2 and returns it. | 133 // Assemble a simple function that copies argument 2 and returns it. |
| 134 // We compile without stack frame pointers, so the gdb debugger shows | 134 // We compile without stack frame pointers, so the gdb debugger shows |
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| 146 __ ret(0); | 146 __ ret(0); |
| 147 | 147 |
| 148 CodeDesc desc; | 148 CodeDesc desc; |
| 149 assm.GetCode(&desc); | 149 assm.GetCode(&desc); |
| 150 // Call the function from C++. | 150 // Call the function from C++. |
| 151 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 151 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 152 CHECK_EQ(2, result); | 152 CHECK_EQ(2, result); |
| 153 } | 153 } |
| 154 | 154 |
| 155 TEST(AssemblerX64ArithmeticOperations) { | 155 TEST(AssemblerX64ArithmeticOperations) { |
| 156 OS::Setup(); | 156 OS::SetUp(); |
| 157 // Allocate an executable page of memory. | 157 // Allocate an executable page of memory. |
| 158 size_t actual_size; | 158 size_t actual_size; |
| 159 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 159 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 160 &actual_size, | 160 &actual_size, |
| 161 true)); | 161 true)); |
| 162 CHECK(buffer); | 162 CHECK(buffer); |
| 163 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 163 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 164 | 164 |
| 165 // Assemble a simple function that adds arguments returning the sum. | 165 // Assemble a simple function that adds arguments returning the sum. |
| 166 __ movq(rax, arg2); | 166 __ movq(rax, arg2); |
| 167 __ addq(rax, arg1); | 167 __ addq(rax, arg1); |
| 168 __ ret(0); | 168 __ ret(0); |
| 169 | 169 |
| 170 CodeDesc desc; | 170 CodeDesc desc; |
| 171 assm.GetCode(&desc); | 171 assm.GetCode(&desc); |
| 172 // Call the function from C++. | 172 // Call the function from C++. |
| 173 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 173 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 174 CHECK_EQ(5, result); | 174 CHECK_EQ(5, result); |
| 175 } | 175 } |
| 176 | 176 |
| 177 TEST(AssemblerX64ImulOperation) { | 177 TEST(AssemblerX64ImulOperation) { |
| 178 OS::Setup(); | 178 OS::SetUp(); |
| 179 // Allocate an executable page of memory. | 179 // Allocate an executable page of memory. |
| 180 size_t actual_size; | 180 size_t actual_size; |
| 181 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 181 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 182 &actual_size, | 182 &actual_size, |
| 183 true)); | 183 true)); |
| 184 CHECK(buffer); | 184 CHECK(buffer); |
| 185 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 185 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 186 | 186 |
| 187 // Assemble a simple function that multiplies arguments returning the high | 187 // Assemble a simple function that multiplies arguments returning the high |
| 188 // word. | 188 // word. |
| 189 __ movq(rax, arg2); | 189 __ movq(rax, arg2); |
| 190 __ imul(arg1); | 190 __ imul(arg1); |
| 191 __ movq(rax, rdx); | 191 __ movq(rax, rdx); |
| 192 __ ret(0); | 192 __ ret(0); |
| 193 | 193 |
| 194 CodeDesc desc; | 194 CodeDesc desc; |
| 195 assm.GetCode(&desc); | 195 assm.GetCode(&desc); |
| 196 // Call the function from C++. | 196 // Call the function from C++. |
| 197 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 197 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 198 CHECK_EQ(0, result); | 198 CHECK_EQ(0, result); |
| 199 result = FUNCTION_CAST<F2>(buffer)(0x100000000l, 0x100000000l); | 199 result = FUNCTION_CAST<F2>(buffer)(0x100000000l, 0x100000000l); |
| 200 CHECK_EQ(1, result); | 200 CHECK_EQ(1, result); |
| 201 result = FUNCTION_CAST<F2>(buffer)(-0x100000000l, 0x100000000l); | 201 result = FUNCTION_CAST<F2>(buffer)(-0x100000000l, 0x100000000l); |
| 202 CHECK_EQ(-1, result); | 202 CHECK_EQ(-1, result); |
| 203 } | 203 } |
| 204 | 204 |
| 205 TEST(AssemblerX64MemoryOperands) { | 205 TEST(AssemblerX64MemoryOperands) { |
| 206 OS::Setup(); | 206 OS::SetUp(); |
| 207 // Allocate an executable page of memory. | 207 // Allocate an executable page of memory. |
| 208 size_t actual_size; | 208 size_t actual_size; |
| 209 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 209 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 210 &actual_size, | 210 &actual_size, |
| 211 true)); | 211 true)); |
| 212 CHECK(buffer); | 212 CHECK(buffer); |
| 213 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 213 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 214 | 214 |
| 215 // Assemble a simple function that copies argument 2 and returns it. | 215 // Assemble a simple function that copies argument 2 and returns it. |
| 216 __ push(rbp); | 216 __ push(rbp); |
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| 230 __ ret(0); | 230 __ ret(0); |
| 231 | 231 |
| 232 CodeDesc desc; | 232 CodeDesc desc; |
| 233 assm.GetCode(&desc); | 233 assm.GetCode(&desc); |
| 234 // Call the function from C++. | 234 // Call the function from C++. |
| 235 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 235 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 236 CHECK_EQ(3, result); | 236 CHECK_EQ(3, result); |
| 237 } | 237 } |
| 238 | 238 |
| 239 TEST(AssemblerX64ControlFlow) { | 239 TEST(AssemblerX64ControlFlow) { |
| 240 OS::Setup(); | 240 OS::SetUp(); |
| 241 // Allocate an executable page of memory. | 241 // Allocate an executable page of memory. |
| 242 size_t actual_size; | 242 size_t actual_size; |
| 243 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 243 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 244 &actual_size, | 244 &actual_size, |
| 245 true)); | 245 true)); |
| 246 CHECK(buffer); | 246 CHECK(buffer); |
| 247 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 247 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 248 | 248 |
| 249 // Assemble a simple function that copies argument 1 and returns it. | 249 // Assemble a simple function that copies argument 1 and returns it. |
| 250 __ push(rbp); | 250 __ push(rbp); |
| 251 | 251 |
| 252 __ movq(rbp, rsp); | 252 __ movq(rbp, rsp); |
| 253 __ movq(rax, arg1); | 253 __ movq(rax, arg1); |
| 254 Label target; | 254 Label target; |
| 255 __ jmp(&target); | 255 __ jmp(&target); |
| 256 __ movq(rax, arg2); | 256 __ movq(rax, arg2); |
| 257 __ bind(&target); | 257 __ bind(&target); |
| 258 __ pop(rbp); | 258 __ pop(rbp); |
| 259 __ ret(0); | 259 __ ret(0); |
| 260 | 260 |
| 261 CodeDesc desc; | 261 CodeDesc desc; |
| 262 assm.GetCode(&desc); | 262 assm.GetCode(&desc); |
| 263 // Call the function from C++. | 263 // Call the function from C++. |
| 264 int result = FUNCTION_CAST<F2>(buffer)(3, 2); | 264 int result = FUNCTION_CAST<F2>(buffer)(3, 2); |
| 265 CHECK_EQ(3, result); | 265 CHECK_EQ(3, result); |
| 266 } | 266 } |
| 267 | 267 |
| 268 TEST(AssemblerX64LoopImmediates) { | 268 TEST(AssemblerX64LoopImmediates) { |
| 269 OS::Setup(); | 269 OS::SetUp(); |
| 270 // Allocate an executable page of memory. | 270 // Allocate an executable page of memory. |
| 271 size_t actual_size; | 271 size_t actual_size; |
| 272 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, | 272 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
| 273 &actual_size, | 273 &actual_size, |
| 274 true)); | 274 true)); |
| 275 CHECK(buffer); | 275 CHECK(buffer); |
| 276 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); | 276 Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size)); |
| 277 // Assemble two loops using rax as counter, and verify the ending counts. | 277 // Assemble two loops using rax as counter, and verify the ending counts. |
| 278 Label Fail; | 278 Label Fail; |
| 279 __ movq(rax, Immediate(-3)); | 279 __ movq(rax, Immediate(-3)); |
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| 434 | 434 |
| 435 F0 f = FUNCTION_CAST<F0>(code->entry()); | 435 F0 f = FUNCTION_CAST<F0>(code->entry()); |
| 436 int res = f(); | 436 int res = f(); |
| 437 CHECK_EQ(42, res); | 437 CHECK_EQ(42, res); |
| 438 } | 438 } |
| 439 | 439 |
| 440 | 440 |
| 441 | 441 |
| 442 | 442 |
| 443 #undef __ | 443 #undef __ |
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