Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #if V8_TARGET_ARCH_S390 |
| 6 | |
| 7 | #include "src/interface-descriptors.h" |
| 8 | |
| 9 | namespace v8 { |
| 10 | namespace internal { |
| 11 | |
| 12 | const Register CallInterfaceDescriptor::ContextRegister() { return cp; } |
| 13 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 14 | void CallInterfaceDescriptor::DefaultInitializePlatformSpecific( |
| 15 | CallInterfaceDescriptorData* data, int register_parameter_count) { |
| 16 | const Register default_stub_registers[] = {r2, r3, r4, r5, r6}; |
| 17 | CHECK_LE(static_cast<size_t>(register_parameter_count), |
| 18 | arraysize(default_stub_registers)); |
| 19 | data->InitializePlatformSpecific(register_parameter_count, |
| 20 | default_stub_registers); |
| 21 | } |
| 22 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 23 | const Register LoadDescriptor::ReceiverRegister() { return r3; } |
| 24 | const Register LoadDescriptor::NameRegister() { return r4; } |
| 25 | const Register LoadDescriptor::SlotRegister() { return r2; } |
| 26 | |
| 27 | const Register LoadWithVectorDescriptor::VectorRegister() { return r5; } |
| 28 | |
| 29 | const Register StoreDescriptor::ReceiverRegister() { return r3; } |
| 30 | const Register StoreDescriptor::NameRegister() { return r4; } |
| 31 | const Register StoreDescriptor::ValueRegister() { return r2; } |
| 32 | |
| 33 | const Register VectorStoreICTrampolineDescriptor::SlotRegister() { return r6; } |
| 34 | |
| 35 | const Register VectorStoreICDescriptor::VectorRegister() { return r5; } |
| 36 | |
| 37 | const Register VectorStoreTransitionDescriptor::SlotRegister() { return r6; } |
| 38 | const Register VectorStoreTransitionDescriptor::VectorRegister() { return r5; } |
| 39 | const Register VectorStoreTransitionDescriptor::MapRegister() { return r7; } |
| 40 | |
| 41 | const Register StoreTransitionDescriptor::MapRegister() { return r5; } |
| 42 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 43 | const Register StoreGlobalViaContextDescriptor::SlotRegister() { return r4; } |
| 44 | const Register StoreGlobalViaContextDescriptor::ValueRegister() { return r2; } |
| 45 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 46 | const Register StringCompareDescriptor::LeftRegister() { return r3; } |
| 47 | const Register StringCompareDescriptor::RightRegister() { return r2; } |
| 48 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 49 | const Register ApiGetterDescriptor::HolderRegister() { return r2; } |
| 50 | const Register ApiGetterDescriptor::CallbackRegister() { return r5; } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 51 | |
| 52 | const Register MathPowTaggedDescriptor::exponent() { return r4; } |
| 53 | |
| 54 | const Register MathPowIntegerDescriptor::exponent() { |
| 55 | return MathPowTaggedDescriptor::exponent(); |
| 56 | } |
| 57 | |
| 58 | const Register GrowArrayElementsDescriptor::ObjectRegister() { return r2; } |
| 59 | const Register GrowArrayElementsDescriptor::KeyRegister() { return r5; } |
| 60 | |
| 61 | void FastNewClosureDescriptor::InitializePlatformSpecific( |
| 62 | CallInterfaceDescriptorData* data) { |
| 63 | Register registers[] = {r4}; |
| 64 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 65 | } |
| 66 | |
| 67 | void FastNewContextDescriptor::InitializePlatformSpecific( |
| 68 | CallInterfaceDescriptorData* data) { |
| 69 | Register registers[] = {r3}; |
| 70 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 71 | } |
| 72 | |
| 73 | void FastNewObjectDescriptor::InitializePlatformSpecific( |
| 74 | CallInterfaceDescriptorData* data) { |
| 75 | Register registers[] = {r3, r5}; |
| 76 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 77 | } |
| 78 | |
| 79 | void FastNewRestParameterDescriptor::InitializePlatformSpecific( |
| 80 | CallInterfaceDescriptorData* data) { |
| 81 | Register registers[] = {r3}; |
| 82 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 83 | } |
| 84 | |
| 85 | void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific( |
| 86 | CallInterfaceDescriptorData* data) { |
| 87 | Register registers[] = {r3}; |
| 88 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 89 | } |
| 90 | |
| 91 | void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific( |
| 92 | CallInterfaceDescriptorData* data) { |
| 93 | Register registers[] = {r3}; |
| 94 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 95 | } |
| 96 | |
| 97 | // static |
| 98 | const Register TypeConversionDescriptor::ArgumentRegister() { return r2; } |
| 99 | |
| 100 | void TypeofDescriptor::InitializePlatformSpecific( |
| 101 | CallInterfaceDescriptorData* data) { |
| 102 | Register registers[] = {r5}; |
| 103 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 104 | } |
| 105 | |
| 106 | void FastCloneRegExpDescriptor::InitializePlatformSpecific( |
| 107 | CallInterfaceDescriptorData* data) { |
| 108 | Register registers[] = {r5, r4, r3, r2}; |
| 109 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 110 | } |
| 111 | |
| 112 | void FastCloneShallowArrayDescriptor::InitializePlatformSpecific( |
| 113 | CallInterfaceDescriptorData* data) { |
| 114 | Register registers[] = {r5, r4, r3}; |
| 115 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 116 | } |
| 117 | |
| 118 | void FastCloneShallowObjectDescriptor::InitializePlatformSpecific( |
| 119 | CallInterfaceDescriptorData* data) { |
| 120 | Register registers[] = {r5, r4, r3, r2}; |
| 121 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 122 | } |
| 123 | |
| 124 | void CreateAllocationSiteDescriptor::InitializePlatformSpecific( |
| 125 | CallInterfaceDescriptorData* data) { |
| 126 | Register registers[] = {r4, r5}; |
| 127 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 128 | } |
| 129 | |
| 130 | void CreateWeakCellDescriptor::InitializePlatformSpecific( |
| 131 | CallInterfaceDescriptorData* data) { |
| 132 | Register registers[] = {r4, r5, r3}; |
| 133 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 134 | } |
| 135 | |
| 136 | void CallFunctionDescriptor::InitializePlatformSpecific( |
| 137 | CallInterfaceDescriptorData* data) { |
| 138 | Register registers[] = {r3}; |
| 139 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 140 | } |
| 141 | |
| 142 | void CallFunctionWithFeedbackDescriptor::InitializePlatformSpecific( |
| 143 | CallInterfaceDescriptorData* data) { |
| 144 | Register registers[] = {r3, r5}; |
| 145 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 146 | } |
| 147 | |
| 148 | void CallFunctionWithFeedbackAndVectorDescriptor::InitializePlatformSpecific( |
| 149 | CallInterfaceDescriptorData* data) { |
| 150 | Register registers[] = {r3, r5, r4}; |
| 151 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 152 | } |
| 153 | |
| 154 | void CallConstructDescriptor::InitializePlatformSpecific( |
| 155 | CallInterfaceDescriptorData* data) { |
| 156 | // r2 : number of arguments |
| 157 | // r3 : the function to call |
| 158 | // r4 : feedback vector |
| 159 | // r5 : slot in feedback vector (Smi, for RecordCallTarget) |
| 160 | // r6 : new target (for IsSuperConstructorCall) |
| 161 | // TODO(turbofan): So far we don't gather type feedback and hence skip the |
| 162 | // slot parameter, but ArrayConstructStub needs the vector to be undefined. |
| 163 | Register registers[] = {r2, r3, r6, r4}; |
| 164 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 165 | } |
| 166 | |
| 167 | void CallTrampolineDescriptor::InitializePlatformSpecific( |
| 168 | CallInterfaceDescriptorData* data) { |
| 169 | // r2 : number of arguments |
| 170 | // r3 : the target to call |
| 171 | Register registers[] = {r3, r2}; |
| 172 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 173 | } |
| 174 | |
| 175 | void ConstructStubDescriptor::InitializePlatformSpecific( |
| 176 | CallInterfaceDescriptorData* data) { |
| 177 | // r2 : number of arguments |
| 178 | // r3 : the target to call |
| 179 | // r5 : the new target |
| 180 | // r4 : allocation site or undefined |
| 181 | Register registers[] = {r3, r5, r2, r4}; |
| 182 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 183 | } |
| 184 | |
| 185 | void ConstructTrampolineDescriptor::InitializePlatformSpecific( |
| 186 | CallInterfaceDescriptorData* data) { |
| 187 | // r2 : number of arguments |
| 188 | // r3 : the target to call |
| 189 | // r5 : the new target |
| 190 | Register registers[] = {r3, r5, r2}; |
| 191 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 192 | } |
| 193 | |
| 194 | void RegExpConstructResultDescriptor::InitializePlatformSpecific( |
| 195 | CallInterfaceDescriptorData* data) { |
| 196 | Register registers[] = {r4, r3, r2}; |
| 197 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 198 | } |
| 199 | |
| 200 | void TransitionElementsKindDescriptor::InitializePlatformSpecific( |
| 201 | CallInterfaceDescriptorData* data) { |
| 202 | Register registers[] = {r2, r3}; |
| 203 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 204 | } |
| 205 | |
| 206 | void AllocateHeapNumberDescriptor::InitializePlatformSpecific( |
| 207 | CallInterfaceDescriptorData* data) { |
| 208 | data->InitializePlatformSpecific(0, nullptr, nullptr); |
| 209 | } |
| 210 | |
| 211 | #define SIMD128_ALLOC_DESC(TYPE, Type, type, lane_count, lane_type) \ |
| 212 | void Allocate##Type##Descriptor::InitializePlatformSpecific( \ |
| 213 | CallInterfaceDescriptorData* data) { \ |
| 214 | data->InitializePlatformSpecific(0, nullptr, nullptr); \ |
| 215 | } |
| 216 | SIMD128_TYPES(SIMD128_ALLOC_DESC) |
| 217 | #undef SIMD128_ALLOC_DESC |
| 218 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 219 | void ArrayNoArgumentConstructorDescriptor::InitializePlatformSpecific( |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 220 | CallInterfaceDescriptorData* data) { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 221 | // register state |
| 222 | // r2 -- number of arguments |
| 223 | // r3 -- function |
| 224 | // r4 -- allocation site with elements kind |
| 225 | Register registers[] = {r3, r4, r2}; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 226 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 227 | } |
| 228 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 229 | void ArraySingleArgumentConstructorDescriptor::InitializePlatformSpecific( |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 230 | CallInterfaceDescriptorData* data) { |
| 231 | // register state |
| 232 | // r2 -- number of arguments |
| 233 | // r3 -- function |
| 234 | // r4 -- allocation site with elements kind |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 235 | Register registers[] = {r3, r4, r2}; |
| 236 | data->InitializePlatformSpecific(arraysize(registers), registers, NULL); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 237 | } |
| 238 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 239 | void ArrayNArgumentsConstructorDescriptor::InitializePlatformSpecific( |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 240 | CallInterfaceDescriptorData* data) { |
| 241 | // stack param count needs (constructor pointer, and single argument) |
| 242 | Register registers[] = {r3, r4, r2}; |
| 243 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 244 | } |
| 245 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 246 | void VarArgFunctionDescriptor::InitializePlatformSpecific( |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 247 | CallInterfaceDescriptorData* data) { |
| 248 | // stack param count needs (arg count) |
| 249 | Register registers[] = {r2}; |
| 250 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 251 | } |
| 252 | |
| 253 | void CompareDescriptor::InitializePlatformSpecific( |
| 254 | CallInterfaceDescriptorData* data) { |
| 255 | Register registers[] = {r3, r2}; |
| 256 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 257 | } |
| 258 | |
| 259 | void BinaryOpDescriptor::InitializePlatformSpecific( |
| 260 | CallInterfaceDescriptorData* data) { |
| 261 | Register registers[] = {r3, r2}; |
| 262 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 263 | } |
| 264 | |
| 265 | void BinaryOpWithAllocationSiteDescriptor::InitializePlatformSpecific( |
| 266 | CallInterfaceDescriptorData* data) { |
| 267 | Register registers[] = {r4, r3, r2}; |
| 268 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 269 | } |
| 270 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 271 | void CountOpDescriptor::InitializePlatformSpecific( |
| 272 | CallInterfaceDescriptorData* data) { |
| 273 | Register registers[] = {r4}; |
| 274 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 275 | } |
| 276 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 277 | void StringAddDescriptor::InitializePlatformSpecific( |
| 278 | CallInterfaceDescriptorData* data) { |
| 279 | Register registers[] = {r3, r2}; |
| 280 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 281 | } |
| 282 | |
| 283 | void KeyedDescriptor::InitializePlatformSpecific( |
| 284 | CallInterfaceDescriptorData* data) { |
| 285 | Register registers[] = { |
| 286 | r4, // key |
| 287 | }; |
| 288 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 289 | } |
| 290 | |
| 291 | void NamedDescriptor::InitializePlatformSpecific( |
| 292 | CallInterfaceDescriptorData* data) { |
| 293 | Register registers[] = { |
| 294 | r4, // name |
| 295 | }; |
| 296 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 297 | } |
| 298 | |
| 299 | void CallHandlerDescriptor::InitializePlatformSpecific( |
| 300 | CallInterfaceDescriptorData* data) { |
| 301 | Register registers[] = { |
| 302 | r2, // receiver |
| 303 | }; |
| 304 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 305 | } |
| 306 | |
| 307 | void ArgumentAdaptorDescriptor::InitializePlatformSpecific( |
| 308 | CallInterfaceDescriptorData* data) { |
| 309 | Register registers[] = { |
| 310 | r3, // JSFunction |
| 311 | r5, // the new target |
| 312 | r2, // actual number of arguments |
| 313 | r4, // expected number of arguments |
| 314 | }; |
| 315 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 316 | } |
| 317 | |
| 318 | void ApiCallbackDescriptorBase::InitializePlatformSpecific( |
| 319 | CallInterfaceDescriptorData* data) { |
| 320 | Register registers[] = { |
| 321 | r2, // callee |
| 322 | r6, // call_data |
| 323 | r4, // holder |
| 324 | r3, // api_function_address |
| 325 | }; |
| 326 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 327 | } |
| 328 | |
| 329 | void InterpreterDispatchDescriptor::InitializePlatformSpecific( |
| 330 | CallInterfaceDescriptorData* data) { |
| 331 | Register registers[] = { |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 332 | kInterpreterAccumulatorRegister, kInterpreterBytecodeOffsetRegister, |
| 333 | kInterpreterBytecodeArrayRegister, kInterpreterDispatchTableRegister}; |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 334 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 335 | } |
| 336 | |
| 337 | void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific( |
| 338 | CallInterfaceDescriptorData* data) { |
| 339 | Register registers[] = { |
| 340 | r2, // argument count (not including receiver) |
| 341 | r4, // address of first argument |
| 342 | r3 // the target callable to be call |
| 343 | }; |
| 344 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 345 | } |
| 346 | |
| 347 | void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific( |
| 348 | CallInterfaceDescriptorData* data) { |
| 349 | Register registers[] = { |
| 350 | r2, // argument count (not including receiver) |
| 351 | r5, // new target |
| 352 | r3, // constructor to call |
| 353 | r4 // address of the first argument |
| 354 | }; |
| 355 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 356 | } |
| 357 | |
| 358 | void InterpreterCEntryDescriptor::InitializePlatformSpecific( |
| 359 | CallInterfaceDescriptorData* data) { |
| 360 | Register registers[] = { |
| 361 | r2, // argument count (argc) |
| 362 | r4, // address of first argument (argv) |
| 363 | r3 // the runtime function to call |
| 364 | }; |
| 365 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 366 | } |
| 367 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 368 | void ResumeGeneratorDescriptor::InitializePlatformSpecific( |
| 369 | CallInterfaceDescriptorData* data) { |
| 370 | Register registers[] = { |
| 371 | r2, // the value to pass to the generator |
| 372 | r3, // the JSGeneratorObject to resume |
| 373 | r4 // the resume mode (tagged) |
| 374 | }; |
| 375 | data->InitializePlatformSpecific(arraysize(registers), registers); |
| 376 | } |
| 377 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 378 | } // namespace internal |
| 379 | } // namespace v8 |
| 380 | |
| 381 | #endif // V8_TARGET_ARCH_S390 |