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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
10 // | 10 // |
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239 } else if (FLAG_debug_code) { | 239 } else if (FLAG_debug_code) { |
240 Label done; | 240 Label done; |
241 __ JumpIfInNewSpace(cp, a0, &done); | 241 __ JumpIfInNewSpace(cp, a0, &done); |
242 __ Abort(kExpectedNewSpaceObject); | 242 __ Abort(kExpectedNewSpaceObject); |
243 __ bind(&done); | 243 __ bind(&done); |
244 } | 244 } |
245 } | 245 } |
246 } | 246 } |
247 } | 247 } |
248 | 248 |
| 249 ArgumentsAccessStub::HasNewTarget has_new_target = |
| 250 IsSubclassConstructor(info->function()->kind()) |
| 251 ? ArgumentsAccessStub::HAS_NEW_TARGET |
| 252 : ArgumentsAccessStub::NO_NEW_TARGET; |
| 253 |
249 // Possibly allocate RestParameters | 254 // Possibly allocate RestParameters |
250 int rest_index; | 255 int rest_index; |
251 Variable* rest_param = scope()->rest_parameter(&rest_index); | 256 Variable* rest_param = scope()->rest_parameter(&rest_index); |
252 if (rest_param) { | 257 if (rest_param) { |
253 Comment cmnt(masm_, "[ Allocate rest parameter array"); | 258 Comment cmnt(masm_, "[ Allocate rest parameter array"); |
254 | 259 |
255 int num_parameters = info->scope()->num_parameters(); | 260 int num_parameters = info->scope()->num_parameters(); |
256 int offset = num_parameters * kPointerSize; | 261 int offset = num_parameters * kPointerSize; |
| 262 if (has_new_target == ArgumentsAccessStub::HAS_NEW_TARGET) { |
| 263 --num_parameters; |
| 264 ++rest_index; |
| 265 } |
| 266 |
257 __ Daddu(a3, fp, | 267 __ Daddu(a3, fp, |
258 Operand(StandardFrameConstants::kCallerSPOffset + offset)); | 268 Operand(StandardFrameConstants::kCallerSPOffset + offset)); |
259 __ li(a2, Operand(Smi::FromInt(num_parameters))); | 269 __ li(a2, Operand(Smi::FromInt(num_parameters))); |
260 __ li(a1, Operand(Smi::FromInt(rest_index))); | 270 __ li(a1, Operand(Smi::FromInt(rest_index))); |
261 __ Push(a3, a2, a1); | 271 __ Push(a3, a2, a1); |
262 | 272 |
263 RestParamAccessStub stub(isolate()); | 273 RestParamAccessStub stub(isolate()); |
264 __ CallStub(&stub); | 274 __ CallStub(&stub); |
265 | 275 |
266 SetVar(rest_param, v0, a1, a2); | 276 SetVar(rest_param, v0, a1, a2); |
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281 int offset = num_parameters * kPointerSize; | 291 int offset = num_parameters * kPointerSize; |
282 __ Daddu(a2, fp, | 292 __ Daddu(a2, fp, |
283 Operand(StandardFrameConstants::kCallerSPOffset + offset)); | 293 Operand(StandardFrameConstants::kCallerSPOffset + offset)); |
284 __ li(a1, Operand(Smi::FromInt(num_parameters))); | 294 __ li(a1, Operand(Smi::FromInt(num_parameters))); |
285 __ Push(a3, a2, a1); | 295 __ Push(a3, a2, a1); |
286 | 296 |
287 // Arguments to ArgumentsAccessStub: | 297 // Arguments to ArgumentsAccessStub: |
288 // function, receiver address, parameter count. | 298 // function, receiver address, parameter count. |
289 // The stub will rewrite receiever and parameter count if the previous | 299 // The stub will rewrite receiever and parameter count if the previous |
290 // stack frame was an arguments adapter frame. | 300 // stack frame was an arguments adapter frame. |
291 ArgumentsAccessStub::HasNewTarget has_new_target = | |
292 IsSubclassConstructor(info->function()->kind()) | |
293 ? ArgumentsAccessStub::HAS_NEW_TARGET | |
294 : ArgumentsAccessStub::NO_NEW_TARGET; | |
295 ArgumentsAccessStub::Type type; | 301 ArgumentsAccessStub::Type type; |
296 if (is_strict(language_mode()) || !is_simple_parameter_list()) { | 302 if (is_strict(language_mode()) || !is_simple_parameter_list()) { |
297 type = ArgumentsAccessStub::NEW_STRICT; | 303 type = ArgumentsAccessStub::NEW_STRICT; |
298 } else if (function()->has_duplicate_parameters()) { | 304 } else if (function()->has_duplicate_parameters()) { |
299 type = ArgumentsAccessStub::NEW_SLOPPY_SLOW; | 305 type = ArgumentsAccessStub::NEW_SLOPPY_SLOW; |
300 } else { | 306 } else { |
301 type = ArgumentsAccessStub::NEW_SLOPPY_FAST; | 307 type = ArgumentsAccessStub::NEW_SLOPPY_FAST; |
302 } | 308 } |
303 ArgumentsAccessStub stub(isolate(), type, has_new_target); | 309 ArgumentsAccessStub stub(isolate(), type, has_new_target); |
304 __ CallStub(&stub); | 310 __ CallStub(&stub); |
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5462 Assembler::target_address_at(pc_immediate_load_address)) == | 5468 Assembler::target_address_at(pc_immediate_load_address)) == |
5463 reinterpret_cast<uint64_t>( | 5469 reinterpret_cast<uint64_t>( |
5464 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5470 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5465 return OSR_AFTER_STACK_CHECK; | 5471 return OSR_AFTER_STACK_CHECK; |
5466 } | 5472 } |
5467 | 5473 |
5468 | 5474 |
5469 } } // namespace v8::internal | 5475 } } // namespace v8::internal |
5470 | 5476 |
5471 #endif // V8_TARGET_ARCH_MIPS64 | 5477 #endif // V8_TARGET_ARCH_MIPS64 |
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