| OLD | NEW |
| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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| 54 // -- ... | 54 // -- ... |
| 55 // -- rsp[8 * argc] : first argument (argc == rax) | 55 // -- rsp[8 * argc] : first argument (argc == rax) |
| 56 // -- rsp[8 * (argc + 1)] : receiver | 56 // -- rsp[8 * (argc + 1)] : receiver |
| 57 // ----------------------------------- | 57 // ----------------------------------- |
| 58 | 58 |
| 59 // Insert extra arguments. | 59 // Insert extra arguments. |
| 60 int num_extra_args = 0; | 60 int num_extra_args = 0; |
| 61 if (extra_args == NEEDS_CALLED_FUNCTION) { | 61 if (extra_args == NEEDS_CALLED_FUNCTION) { |
| 62 num_extra_args = 1; | 62 num_extra_args = 1; |
| 63 __ PopReturnAddressTo(kScratchRegister); | 63 __ PopReturnAddressTo(kScratchRegister); |
| 64 __ push(rdi); | 64 __ Push(rdi); |
| 65 __ PushReturnAddressFrom(kScratchRegister); | 65 __ PushReturnAddressFrom(kScratchRegister); |
| 66 } else { | 66 } else { |
| 67 ASSERT(extra_args == NO_EXTRA_ARGUMENTS); | 67 ASSERT(extra_args == NO_EXTRA_ARGUMENTS); |
| 68 } | 68 } |
| 69 | 69 |
| 70 // JumpToExternalReference expects rax to contain the number of arguments | 70 // JumpToExternalReference expects rax to contain the number of arguments |
| 71 // including the receiver and the extra arguments. | 71 // including the receiver and the extra arguments. |
| 72 __ addq(rax, Immediate(num_extra_args + 1)); | 72 __ addq(rax, Immediate(num_extra_args + 1)); |
| 73 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), 1); | 73 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), 1); |
| 74 } | 74 } |
| 75 | 75 |
| 76 | 76 |
| 77 static void CallRuntimePassFunction( | 77 static void CallRuntimePassFunction( |
| 78 MacroAssembler* masm, Runtime::FunctionId function_id) { | 78 MacroAssembler* masm, Runtime::FunctionId function_id) { |
| 79 FrameScope scope(masm, StackFrame::INTERNAL); | 79 FrameScope scope(masm, StackFrame::INTERNAL); |
| 80 // Push a copy of the function onto the stack. | 80 // Push a copy of the function onto the stack. |
| 81 __ push(rdi); | 81 __ Push(rdi); |
| 82 // Function is also the parameter to the runtime call. | 82 // Function is also the parameter to the runtime call. |
| 83 __ push(rdi); | 83 __ Push(rdi); |
| 84 | 84 |
| 85 __ CallRuntime(function_id, 1); | 85 __ CallRuntime(function_id, 1); |
| 86 // Restore receiver. | 86 // Restore receiver. |
| 87 __ pop(rdi); | 87 __ Pop(rdi); |
| 88 } | 88 } |
| 89 | 89 |
| 90 | 90 |
| 91 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { | 91 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { |
| 92 __ movp(kScratchRegister, | 92 __ movp(kScratchRegister, |
| 93 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 93 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
| 94 __ movp(kScratchRegister, | 94 __ movp(kScratchRegister, |
| 95 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); | 95 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); |
| 96 __ lea(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); | 96 __ lea(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); |
| 97 __ jmp(kScratchRegister); | 97 __ jmp(kScratchRegister); |
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| 132 | 132 |
| 133 // Should never count constructions for api objects. | 133 // Should never count constructions for api objects. |
| 134 ASSERT(!is_api_function || !count_constructions); | 134 ASSERT(!is_api_function || !count_constructions); |
| 135 | 135 |
| 136 // Enter a construct frame. | 136 // Enter a construct frame. |
| 137 { | 137 { |
| 138 FrameScope scope(masm, StackFrame::CONSTRUCT); | 138 FrameScope scope(masm, StackFrame::CONSTRUCT); |
| 139 | 139 |
| 140 // Store a smi-tagged arguments count on the stack. | 140 // Store a smi-tagged arguments count on the stack. |
| 141 __ Integer32ToSmi(rax, rax); | 141 __ Integer32ToSmi(rax, rax); |
| 142 __ push(rax); | 142 __ Push(rax); |
| 143 | 143 |
| 144 // Push the function to invoke on the stack. | 144 // Push the function to invoke on the stack. |
| 145 __ push(rdi); | 145 __ Push(rdi); |
| 146 | 146 |
| 147 // Try to allocate the object without transitioning into C code. If any of | 147 // Try to allocate the object without transitioning into C code. If any of |
| 148 // the preconditions is not met, the code bails out to the runtime call. | 148 // the preconditions is not met, the code bails out to the runtime call. |
| 149 Label rt_call, allocated; | 149 Label rt_call, allocated; |
| 150 if (FLAG_inline_new) { | 150 if (FLAG_inline_new) { |
| 151 Label undo_allocation; | 151 Label undo_allocation; |
| 152 | 152 |
| 153 #ifdef ENABLE_DEBUGGER_SUPPORT | 153 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 154 ExternalReference debug_step_in_fp = | 154 ExternalReference debug_step_in_fp = |
| 155 ExternalReference::debug_step_in_fp_address(masm->isolate()); | 155 ExternalReference::debug_step_in_fp_address(masm->isolate()); |
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| 179 __ j(equal, &rt_call); | 179 __ j(equal, &rt_call); |
| 180 | 180 |
| 181 if (count_constructions) { | 181 if (count_constructions) { |
| 182 Label allocate; | 182 Label allocate; |
| 183 // Decrease generous allocation count. | 183 // Decrease generous allocation count. |
| 184 __ movp(rcx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 184 __ movp(rcx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
| 185 __ decb(FieldOperand(rcx, | 185 __ decb(FieldOperand(rcx, |
| 186 SharedFunctionInfo::kConstructionCountOffset)); | 186 SharedFunctionInfo::kConstructionCountOffset)); |
| 187 __ j(not_zero, &allocate); | 187 __ j(not_zero, &allocate); |
| 188 | 188 |
| 189 __ push(rax); | 189 __ Push(rax); |
| 190 __ push(rdi); | 190 __ Push(rdi); |
| 191 | 191 |
| 192 __ push(rdi); // constructor | 192 __ Push(rdi); // constructor |
| 193 // The call will replace the stub, so the countdown is only done once. | 193 // The call will replace the stub, so the countdown is only done once. |
| 194 __ CallRuntime(Runtime::kFinalizeInstanceSize, 1); | 194 __ CallRuntime(Runtime::kFinalizeInstanceSize, 1); |
| 195 | 195 |
| 196 __ pop(rdi); | 196 __ Pop(rdi); |
| 197 __ pop(rax); | 197 __ Pop(rax); |
| 198 | 198 |
| 199 __ bind(&allocate); | 199 __ bind(&allocate); |
| 200 } | 200 } |
| 201 | 201 |
| 202 // Now allocate the JSObject on the heap. | 202 // Now allocate the JSObject on the heap. |
| 203 __ movzxbq(rdi, FieldOperand(rax, Map::kInstanceSizeOffset)); | 203 __ movzxbq(rdi, FieldOperand(rax, Map::kInstanceSizeOffset)); |
| 204 __ shl(rdi, Immediate(kPointerSizeLog2)); | 204 __ shl(rdi, Immediate(kPointerSizeLog2)); |
| 205 // rdi: size of new object | 205 // rdi: size of new object |
| 206 __ Allocate(rdi, | 206 __ Allocate(rdi, |
| 207 rbx, | 207 rbx, |
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| 324 // rbx: JSObject (previous new top) | 324 // rbx: JSObject (previous new top) |
| 325 __ bind(&undo_allocation); | 325 __ bind(&undo_allocation); |
| 326 __ UndoAllocationInNewSpace(rbx); | 326 __ UndoAllocationInNewSpace(rbx); |
| 327 } | 327 } |
| 328 | 328 |
| 329 // Allocate the new receiver object using the runtime call. | 329 // Allocate the new receiver object using the runtime call. |
| 330 // rdi: function (constructor) | 330 // rdi: function (constructor) |
| 331 __ bind(&rt_call); | 331 __ bind(&rt_call); |
| 332 // Must restore rdi (constructor) before calling runtime. | 332 // Must restore rdi (constructor) before calling runtime. |
| 333 __ movp(rdi, Operand(rsp, 0)); | 333 __ movp(rdi, Operand(rsp, 0)); |
| 334 __ push(rdi); | 334 __ Push(rdi); |
| 335 __ CallRuntime(Runtime::kNewObject, 1); | 335 __ CallRuntime(Runtime::kNewObject, 1); |
| 336 __ movp(rbx, rax); // store result in rbx | 336 __ movp(rbx, rax); // store result in rbx |
| 337 | 337 |
| 338 // New object allocated. | 338 // New object allocated. |
| 339 // rbx: newly allocated object | 339 // rbx: newly allocated object |
| 340 __ bind(&allocated); | 340 __ bind(&allocated); |
| 341 // Retrieve the function from the stack. | 341 // Retrieve the function from the stack. |
| 342 __ pop(rdi); | 342 __ Pop(rdi); |
| 343 | 343 |
| 344 // Retrieve smi-tagged arguments count from the stack. | 344 // Retrieve smi-tagged arguments count from the stack. |
| 345 __ movp(rax, Operand(rsp, 0)); | 345 __ movp(rax, Operand(rsp, 0)); |
| 346 __ SmiToInteger32(rax, rax); | 346 __ SmiToInteger32(rax, rax); |
| 347 | 347 |
| 348 // Push the allocated receiver to the stack. We need two copies | 348 // Push the allocated receiver to the stack. We need two copies |
| 349 // because we may have to return the original one and the calling | 349 // because we may have to return the original one and the calling |
| 350 // conventions dictate that the called function pops the receiver. | 350 // conventions dictate that the called function pops the receiver. |
| 351 __ push(rbx); | 351 __ Push(rbx); |
| 352 __ push(rbx); | 352 __ Push(rbx); |
| 353 | 353 |
| 354 // Set up pointer to last argument. | 354 // Set up pointer to last argument. |
| 355 __ lea(rbx, Operand(rbp, StandardFrameConstants::kCallerSPOffset)); | 355 __ lea(rbx, Operand(rbp, StandardFrameConstants::kCallerSPOffset)); |
| 356 | 356 |
| 357 // Copy arguments and receiver to the expression stack. | 357 // Copy arguments and receiver to the expression stack. |
| 358 Label loop, entry; | 358 Label loop, entry; |
| 359 __ movp(rcx, rax); | 359 __ movp(rcx, rax); |
| 360 __ jmp(&entry); | 360 __ jmp(&entry); |
| 361 __ bind(&loop); | 361 __ bind(&loop); |
| 362 __ push(Operand(rbx, rcx, times_pointer_size, 0)); | 362 __ Push(Operand(rbx, rcx, times_pointer_size, 0)); |
| 363 __ bind(&entry); | 363 __ bind(&entry); |
| 364 __ decq(rcx); | 364 __ decq(rcx); |
| 365 __ j(greater_equal, &loop); | 365 __ j(greater_equal, &loop); |
| 366 | 366 |
| 367 // Call the function. | 367 // Call the function. |
| 368 if (is_api_function) { | 368 if (is_api_function) { |
| 369 __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); | 369 __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); |
| 370 Handle<Code> code = | 370 Handle<Code> code = |
| 371 masm->isolate()->builtins()->HandleApiCallConstruct(); | 371 masm->isolate()->builtins()->HandleApiCallConstruct(); |
| 372 __ Call(code, RelocInfo::CODE_TARGET); | 372 __ Call(code, RelocInfo::CODE_TARGET); |
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| 463 | 463 |
| 464 // Clear the context before we push it when entering the internal frame. | 464 // Clear the context before we push it when entering the internal frame. |
| 465 __ Set(rsi, 0); | 465 __ Set(rsi, 0); |
| 466 // Enter an internal frame. | 466 // Enter an internal frame. |
| 467 FrameScope scope(masm, StackFrame::INTERNAL); | 467 FrameScope scope(masm, StackFrame::INTERNAL); |
| 468 | 468 |
| 469 // Load the function context into rsi. | 469 // Load the function context into rsi. |
| 470 __ movp(rsi, FieldOperand(rdx, JSFunction::kContextOffset)); | 470 __ movp(rsi, FieldOperand(rdx, JSFunction::kContextOffset)); |
| 471 | 471 |
| 472 // Push the function and the receiver onto the stack. | 472 // Push the function and the receiver onto the stack. |
| 473 __ push(rdx); | 473 __ Push(rdx); |
| 474 __ push(r8); | 474 __ Push(r8); |
| 475 | 475 |
| 476 // Load the number of arguments and setup pointer to the arguments. | 476 // Load the number of arguments and setup pointer to the arguments. |
| 477 __ movp(rax, r9); | 477 __ movp(rax, r9); |
| 478 // Load the previous frame pointer to access C argument on stack | 478 // Load the previous frame pointer to access C argument on stack |
| 479 __ movp(kScratchRegister, Operand(rbp, 0)); | 479 __ movp(kScratchRegister, Operand(rbp, 0)); |
| 480 __ movp(rbx, Operand(kScratchRegister, EntryFrameConstants::kArgvOffset)); | 480 __ movp(rbx, Operand(kScratchRegister, EntryFrameConstants::kArgvOffset)); |
| 481 // Load the function pointer into rdi. | 481 // Load the function pointer into rdi. |
| 482 __ movp(rdi, rdx); | 482 __ movp(rdi, rdx); |
| 483 #else // _WIN64 | 483 #else // _WIN64 |
| 484 // GCC parameters in: | 484 // GCC parameters in: |
| 485 // rdi : entry (ignored) | 485 // rdi : entry (ignored) |
| 486 // rsi : function | 486 // rsi : function |
| 487 // rdx : receiver | 487 // rdx : receiver |
| 488 // rcx : argc | 488 // rcx : argc |
| 489 // r8 : argv | 489 // r8 : argv |
| 490 | 490 |
| 491 __ movp(rdi, rsi); | 491 __ movp(rdi, rsi); |
| 492 // rdi : function | 492 // rdi : function |
| 493 | 493 |
| 494 // Clear the context before we push it when entering the internal frame. | 494 // Clear the context before we push it when entering the internal frame. |
| 495 __ Set(rsi, 0); | 495 __ Set(rsi, 0); |
| 496 // Enter an internal frame. | 496 // Enter an internal frame. |
| 497 FrameScope scope(masm, StackFrame::INTERNAL); | 497 FrameScope scope(masm, StackFrame::INTERNAL); |
| 498 | 498 |
| 499 // Push the function and receiver and setup the context. | 499 // Push the function and receiver and setup the context. |
| 500 __ push(rdi); | 500 __ Push(rdi); |
| 501 __ push(rdx); | 501 __ Push(rdx); |
| 502 __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); | 502 __ movp(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); |
| 503 | 503 |
| 504 // Load the number of arguments and setup pointer to the arguments. | 504 // Load the number of arguments and setup pointer to the arguments. |
| 505 __ movp(rax, rcx); | 505 __ movp(rax, rcx); |
| 506 __ movp(rbx, r8); | 506 __ movp(rbx, r8); |
| 507 #endif // _WIN64 | 507 #endif // _WIN64 |
| 508 | 508 |
| 509 // Current stack contents: | 509 // Current stack contents: |
| 510 // [rsp + 2 * kPointerSize ... ] : Internal frame | 510 // [rsp + 2 * kPointerSize ... ] : Internal frame |
| 511 // [rsp + kPointerSize] : function | 511 // [rsp + kPointerSize] : function |
| 512 // [rsp] : receiver | 512 // [rsp] : receiver |
| 513 // Current register contents: | 513 // Current register contents: |
| 514 // rax : argc | 514 // rax : argc |
| 515 // rbx : argv | 515 // rbx : argv |
| 516 // rsi : context | 516 // rsi : context |
| 517 // rdi : function | 517 // rdi : function |
| 518 | 518 |
| 519 // Copy arguments to the stack in a loop. | 519 // Copy arguments to the stack in a loop. |
| 520 // Register rbx points to array of pointers to handle locations. | 520 // Register rbx points to array of pointers to handle locations. |
| 521 // Push the values of these handles. | 521 // Push the values of these handles. |
| 522 Label loop, entry; | 522 Label loop, entry; |
| 523 __ Set(rcx, 0); // Set loop variable to 0. | 523 __ Set(rcx, 0); // Set loop variable to 0. |
| 524 __ jmp(&entry); | 524 __ jmp(&entry); |
| 525 __ bind(&loop); | 525 __ bind(&loop); |
| 526 __ movp(kScratchRegister, Operand(rbx, rcx, times_pointer_size, 0)); | 526 __ movp(kScratchRegister, Operand(rbx, rcx, times_pointer_size, 0)); |
| 527 __ push(Operand(kScratchRegister, 0)); // dereference handle | 527 __ Push(Operand(kScratchRegister, 0)); // dereference handle |
| 528 __ addq(rcx, Immediate(1)); | 528 __ addq(rcx, Immediate(1)); |
| 529 __ bind(&entry); | 529 __ bind(&entry); |
| 530 __ cmpq(rcx, rax); | 530 __ cmpq(rcx, rax); |
| 531 __ j(not_equal, &loop); | 531 __ j(not_equal, &loop); |
| 532 | 532 |
| 533 // Invoke the code. | 533 // Invoke the code. |
| 534 if (is_construct) { | 534 if (is_construct) { |
| 535 // No type feedback cell is available | 535 // No type feedback cell is available |
| 536 Handle<Object> megamorphic_sentinel = | 536 Handle<Object> megamorphic_sentinel = |
| 537 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); | 537 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); |
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| 567 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) { | 567 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) { |
| 568 CallRuntimePassFunction(masm, Runtime::kCompileUnoptimized); | 568 CallRuntimePassFunction(masm, Runtime::kCompileUnoptimized); |
| 569 GenerateTailCallToReturnedCode(masm); | 569 GenerateTailCallToReturnedCode(masm); |
| 570 } | 570 } |
| 571 | 571 |
| 572 | 572 |
| 573 static void CallCompileOptimized(MacroAssembler* masm, | 573 static void CallCompileOptimized(MacroAssembler* masm, |
| 574 bool concurrent) { | 574 bool concurrent) { |
| 575 FrameScope scope(masm, StackFrame::INTERNAL); | 575 FrameScope scope(masm, StackFrame::INTERNAL); |
| 576 // Push a copy of the function onto the stack. | 576 // Push a copy of the function onto the stack. |
| 577 __ push(rdi); | 577 __ Push(rdi); |
| 578 // Function is also the parameter to the runtime call. | 578 // Function is also the parameter to the runtime call. |
| 579 __ push(rdi); | 579 __ Push(rdi); |
| 580 // Whether to compile in a background thread. | 580 // Whether to compile in a background thread. |
| 581 __ Push(masm->isolate()->factory()->ToBoolean(concurrent)); | 581 __ Push(masm->isolate()->factory()->ToBoolean(concurrent)); |
| 582 | 582 |
| 583 __ CallRuntime(Runtime::kCompileOptimized, 2); | 583 __ CallRuntime(Runtime::kCompileOptimized, 2); |
| 584 // Restore receiver. | 584 // Restore receiver. |
| 585 __ pop(rdi); | 585 __ Pop(rdi); |
| 586 } | 586 } |
| 587 | 587 |
| 588 | 588 |
| 589 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) { | 589 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) { |
| 590 CallCompileOptimized(masm, false); | 590 CallCompileOptimized(masm, false); |
| 591 GenerateTailCallToReturnedCode(masm); | 591 GenerateTailCallToReturnedCode(masm); |
| 592 } | 592 } |
| 593 | 593 |
| 594 | 594 |
| 595 void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) { | 595 void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) { |
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| 648 FrameScope scope(masm, StackFrame::MANUAL); | 648 FrameScope scope(masm, StackFrame::MANUAL); |
| 649 __ PrepareCallCFunction(2); | 649 __ PrepareCallCFunction(2); |
| 650 __ CallCFunction( | 650 __ CallCFunction( |
| 651 ExternalReference::get_mark_code_as_executed_function(masm->isolate()), | 651 ExternalReference::get_mark_code_as_executed_function(masm->isolate()), |
| 652 2); | 652 2); |
| 653 } | 653 } |
| 654 __ Popad(); | 654 __ Popad(); |
| 655 | 655 |
| 656 // Perform prologue operations usually performed by the young code stub. | 656 // Perform prologue operations usually performed by the young code stub. |
| 657 __ PopReturnAddressTo(kScratchRegister); | 657 __ PopReturnAddressTo(kScratchRegister); |
| 658 __ push(rbp); // Caller's frame pointer. | 658 __ pushq(rbp); // Caller's frame pointer. |
| 659 __ movp(rbp, rsp); | 659 __ movp(rbp, rsp); |
| 660 __ push(rsi); // Callee's context. | 660 __ Push(rsi); // Callee's context. |
| 661 __ push(rdi); // Callee's JS Function. | 661 __ Push(rdi); // Callee's JS Function. |
| 662 __ PushReturnAddressFrom(kScratchRegister); | 662 __ PushReturnAddressFrom(kScratchRegister); |
| 663 | 663 |
| 664 // Jump to point after the code-age stub. | 664 // Jump to point after the code-age stub. |
| 665 __ ret(0); | 665 __ ret(0); |
| 666 } | 666 } |
| 667 | 667 |
| 668 | 668 |
| 669 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { | 669 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { |
| 670 GenerateMakeCodeYoungAgainCommon(masm); | 670 GenerateMakeCodeYoungAgainCommon(masm); |
| 671 } | 671 } |
| 672 | 672 |
| 673 | 673 |
| 674 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, | 674 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, |
| 675 SaveFPRegsMode save_doubles) { | 675 SaveFPRegsMode save_doubles) { |
| 676 // Enter an internal frame. | 676 // Enter an internal frame. |
| 677 { | 677 { |
| 678 FrameScope scope(masm, StackFrame::INTERNAL); | 678 FrameScope scope(masm, StackFrame::INTERNAL); |
| 679 | 679 |
| 680 // Preserve registers across notification, this is important for compiled | 680 // Preserve registers across notification, this is important for compiled |
| 681 // stubs that tail call the runtime on deopts passing their parameters in | 681 // stubs that tail call the runtime on deopts passing their parameters in |
| 682 // registers. | 682 // registers. |
| 683 __ Pushad(); | 683 __ Pushad(); |
| 684 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); | 684 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); |
| 685 __ Popad(); | 685 __ Popad(); |
| 686 // Tear down internal frame. | 686 // Tear down internal frame. |
| 687 } | 687 } |
| 688 | 688 |
| 689 __ pop(MemOperand(rsp, 0)); // Ignore state offset | 689 __ Pop(MemOperand(rsp, 0)); // Ignore state offset |
| 690 __ ret(0); // Return to IC Miss stub, continuation still on stack. | 690 __ ret(0); // Return to IC Miss stub, continuation still on stack. |
| 691 } | 691 } |
| 692 | 692 |
| 693 | 693 |
| 694 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { | 694 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { |
| 695 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); | 695 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); |
| 696 } | 696 } |
| 697 | 697 |
| 698 | 698 |
| 699 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { | 699 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { |
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| 810 | 810 |
| 811 STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE); | 811 STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE); |
| 812 __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx); | 812 __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx); |
| 813 __ j(above_equal, &shift_arguments); | 813 __ j(above_equal, &shift_arguments); |
| 814 | 814 |
| 815 __ bind(&convert_to_object); | 815 __ bind(&convert_to_object); |
| 816 { | 816 { |
| 817 // Enter an internal frame in order to preserve argument count. | 817 // Enter an internal frame in order to preserve argument count. |
| 818 FrameScope scope(masm, StackFrame::INTERNAL); | 818 FrameScope scope(masm, StackFrame::INTERNAL); |
| 819 __ Integer32ToSmi(rax, rax); | 819 __ Integer32ToSmi(rax, rax); |
| 820 __ push(rax); | 820 __ Push(rax); |
| 821 | 821 |
| 822 __ push(rbx); | 822 __ Push(rbx); |
| 823 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); | 823 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); |
| 824 __ movp(rbx, rax); | 824 __ movp(rbx, rax); |
| 825 __ Set(rdx, 0); // indicate regular JS_FUNCTION | 825 __ Set(rdx, 0); // indicate regular JS_FUNCTION |
| 826 | 826 |
| 827 __ pop(rax); | 827 __ Pop(rax); |
| 828 __ SmiToInteger32(rax, rax); | 828 __ SmiToInteger32(rax, rax); |
| 829 } | 829 } |
| 830 | 830 |
| 831 // Restore the function to rdi. | 831 // Restore the function to rdi. |
| 832 __ movp(rdi, args.GetReceiverOperand()); | 832 __ movp(rdi, args.GetReceiverOperand()); |
| 833 __ jmp(&patch_receiver, Label::kNear); | 833 __ jmp(&patch_receiver, Label::kNear); |
| 834 | 834 |
| 835 __ bind(&use_global_receiver); | 835 __ bind(&use_global_receiver); |
| 836 __ movp(rbx, | 836 __ movp(rbx, |
| 837 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); | 837 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| (...skipping 23 matching lines...) Expand all Loading... |
| 861 // (overwriting the original receiver). Adjust argument count to make | 861 // (overwriting the original receiver). Adjust argument count to make |
| 862 // the original first argument the new receiver. | 862 // the original first argument the new receiver. |
| 863 __ bind(&shift_arguments); | 863 __ bind(&shift_arguments); |
| 864 { Label loop; | 864 { Label loop; |
| 865 __ movp(rcx, rax); | 865 __ movp(rcx, rax); |
| 866 __ bind(&loop); | 866 __ bind(&loop); |
| 867 __ movp(rbx, Operand(rsp, rcx, times_pointer_size, 0)); | 867 __ movp(rbx, Operand(rsp, rcx, times_pointer_size, 0)); |
| 868 __ movp(Operand(rsp, rcx, times_pointer_size, 1 * kPointerSize), rbx); | 868 __ movp(Operand(rsp, rcx, times_pointer_size, 1 * kPointerSize), rbx); |
| 869 __ decq(rcx); | 869 __ decq(rcx); |
| 870 __ j(not_sign, &loop); // While non-negative (to copy return address). | 870 __ j(not_sign, &loop); // While non-negative (to copy return address). |
| 871 __ pop(rbx); // Discard copy of return address. | 871 __ popq(rbx); // Discard copy of return address. |
| 872 __ decq(rax); // One fewer argument (first argument is new receiver). | 872 __ decq(rax); // One fewer argument (first argument is new receiver). |
| 873 } | 873 } |
| 874 | 874 |
| 875 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin, | 875 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin, |
| 876 // or a function proxy via CALL_FUNCTION_PROXY. | 876 // or a function proxy via CALL_FUNCTION_PROXY. |
| 877 { Label function, non_proxy; | 877 { Label function, non_proxy; |
| 878 __ testq(rdx, rdx); | 878 __ testq(rdx, rdx); |
| 879 __ j(zero, &function); | 879 __ j(zero, &function); |
| 880 __ Set(rbx, 0); | 880 __ Set(rbx, 0); |
| 881 __ cmpq(rdx, Immediate(1)); | 881 __ cmpq(rdx, Immediate(1)); |
| 882 __ j(not_equal, &non_proxy); | 882 __ j(not_equal, &non_proxy); |
| 883 | 883 |
| 884 __ PopReturnAddressTo(rdx); | 884 __ PopReturnAddressTo(rdx); |
| 885 __ push(rdi); // re-add proxy object as additional argument | 885 __ Push(rdi); // re-add proxy object as additional argument |
| 886 __ PushReturnAddressFrom(rdx); | 886 __ PushReturnAddressFrom(rdx); |
| 887 __ incq(rax); | 887 __ incq(rax); |
| 888 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY); | 888 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY); |
| 889 __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 889 __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 890 RelocInfo::CODE_TARGET); | 890 RelocInfo::CODE_TARGET); |
| 891 | 891 |
| 892 __ bind(&non_proxy); | 892 __ bind(&non_proxy); |
| 893 __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION); | 893 __ GetBuiltinEntry(rdx, Builtins::CALL_NON_FUNCTION); |
| 894 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 894 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 895 RelocInfo::CODE_TARGET); | 895 RelocInfo::CODE_TARGET); |
| (...skipping 29 matching lines...) Expand all Loading... |
| 925 // Stack frame: | 925 // Stack frame: |
| 926 // rbp : Old base pointer | 926 // rbp : Old base pointer |
| 927 // rbp[8] : return address | 927 // rbp[8] : return address |
| 928 // rbp[16] : function arguments | 928 // rbp[16] : function arguments |
| 929 // rbp[24] : receiver | 929 // rbp[24] : receiver |
| 930 // rbp[32] : function | 930 // rbp[32] : function |
| 931 static const int kArgumentsOffset = kFPOnStackSize + kPCOnStackSize; | 931 static const int kArgumentsOffset = kFPOnStackSize + kPCOnStackSize; |
| 932 static const int kReceiverOffset = kArgumentsOffset + kPointerSize; | 932 static const int kReceiverOffset = kArgumentsOffset + kPointerSize; |
| 933 static const int kFunctionOffset = kReceiverOffset + kPointerSize; | 933 static const int kFunctionOffset = kReceiverOffset + kPointerSize; |
| 934 | 934 |
| 935 __ push(Operand(rbp, kFunctionOffset)); | 935 __ Push(Operand(rbp, kFunctionOffset)); |
| 936 __ push(Operand(rbp, kArgumentsOffset)); | 936 __ Push(Operand(rbp, kArgumentsOffset)); |
| 937 __ InvokeBuiltin(Builtins::APPLY_PREPARE, CALL_FUNCTION); | 937 __ InvokeBuiltin(Builtins::APPLY_PREPARE, CALL_FUNCTION); |
| 938 | 938 |
| 939 // Check the stack for overflow. We are not trying to catch | 939 // Check the stack for overflow. We are not trying to catch |
| 940 // interruptions (e.g. debug break and preemption) here, so the "real stack | 940 // interruptions (e.g. debug break and preemption) here, so the "real stack |
| 941 // limit" is checked. | 941 // limit" is checked. |
| 942 Label okay; | 942 Label okay; |
| 943 __ LoadRoot(kScratchRegister, Heap::kRealStackLimitRootIndex); | 943 __ LoadRoot(kScratchRegister, Heap::kRealStackLimitRootIndex); |
| 944 __ movp(rcx, rsp); | 944 __ movp(rcx, rsp); |
| 945 // Make rcx the space we have left. The stack might already be overflowed | 945 // Make rcx the space we have left. The stack might already be overflowed |
| 946 // here which will cause rcx to become negative. | 946 // here which will cause rcx to become negative. |
| 947 __ subq(rcx, kScratchRegister); | 947 __ subq(rcx, kScratchRegister); |
| 948 // Make rdx the space we need for the array when it is unrolled onto the | 948 // Make rdx the space we need for the array when it is unrolled onto the |
| 949 // stack. | 949 // stack. |
| 950 __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rax, kPointerSizeLog2); | 950 __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rax, kPointerSizeLog2); |
| 951 // Check if the arguments will overflow the stack. | 951 // Check if the arguments will overflow the stack. |
| 952 __ cmpq(rcx, rdx); | 952 __ cmpq(rcx, rdx); |
| 953 __ j(greater, &okay); // Signed comparison. | 953 __ j(greater, &okay); // Signed comparison. |
| 954 | 954 |
| 955 // Out of stack space. | 955 // Out of stack space. |
| 956 __ push(Operand(rbp, kFunctionOffset)); | 956 __ Push(Operand(rbp, kFunctionOffset)); |
| 957 __ push(rax); | 957 __ Push(rax); |
| 958 __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION); | 958 __ InvokeBuiltin(Builtins::APPLY_OVERFLOW, CALL_FUNCTION); |
| 959 __ bind(&okay); | 959 __ bind(&okay); |
| 960 // End of stack check. | 960 // End of stack check. |
| 961 | 961 |
| 962 // Push current index and limit. | 962 // Push current index and limit. |
| 963 const int kLimitOffset = | 963 const int kLimitOffset = |
| 964 StandardFrameConstants::kExpressionsOffset - 1 * kPointerSize; | 964 StandardFrameConstants::kExpressionsOffset - 1 * kPointerSize; |
| 965 const int kIndexOffset = kLimitOffset - 1 * kPointerSize; | 965 const int kIndexOffset = kLimitOffset - 1 * kPointerSize; |
| 966 __ push(rax); // limit | 966 __ Push(rax); // limit |
| 967 __ push(Immediate(0)); // index | 967 __ Push(Immediate(0)); // index |
| 968 | 968 |
| 969 // Get the receiver. | 969 // Get the receiver. |
| 970 __ movp(rbx, Operand(rbp, kReceiverOffset)); | 970 __ movp(rbx, Operand(rbp, kReceiverOffset)); |
| 971 | 971 |
| 972 // Check that the function is a JS function (otherwise it must be a proxy). | 972 // Check that the function is a JS function (otherwise it must be a proxy). |
| 973 Label push_receiver; | 973 Label push_receiver; |
| 974 __ movp(rdi, Operand(rbp, kFunctionOffset)); | 974 __ movp(rdi, Operand(rbp, kFunctionOffset)); |
| 975 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); | 975 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); |
| 976 __ j(not_equal, &push_receiver); | 976 __ j(not_equal, &push_receiver); |
| 977 | 977 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 998 __ j(equal, &use_global_receiver); | 998 __ j(equal, &use_global_receiver); |
| 999 | 999 |
| 1000 // If given receiver is already a JavaScript object then there's no | 1000 // If given receiver is already a JavaScript object then there's no |
| 1001 // reason for converting it. | 1001 // reason for converting it. |
| 1002 STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE); | 1002 STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE); |
| 1003 __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx); | 1003 __ CmpObjectType(rbx, FIRST_SPEC_OBJECT_TYPE, rcx); |
| 1004 __ j(above_equal, &push_receiver); | 1004 __ j(above_equal, &push_receiver); |
| 1005 | 1005 |
| 1006 // Convert the receiver to an object. | 1006 // Convert the receiver to an object. |
| 1007 __ bind(&call_to_object); | 1007 __ bind(&call_to_object); |
| 1008 __ push(rbx); | 1008 __ Push(rbx); |
| 1009 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); | 1009 __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); |
| 1010 __ movp(rbx, rax); | 1010 __ movp(rbx, rax); |
| 1011 __ jmp(&push_receiver, Label::kNear); | 1011 __ jmp(&push_receiver, Label::kNear); |
| 1012 | 1012 |
| 1013 __ bind(&use_global_receiver); | 1013 __ bind(&use_global_receiver); |
| 1014 __ movp(rbx, | 1014 __ movp(rbx, |
| 1015 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); | 1015 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| 1016 __ movp(rbx, FieldOperand(rbx, GlobalObject::kGlobalReceiverOffset)); | 1016 __ movp(rbx, FieldOperand(rbx, GlobalObject::kGlobalReceiverOffset)); |
| 1017 | 1017 |
| 1018 // Push the receiver. | 1018 // Push the receiver. |
| 1019 __ bind(&push_receiver); | 1019 __ bind(&push_receiver); |
| 1020 __ push(rbx); | 1020 __ Push(rbx); |
| 1021 | 1021 |
| 1022 // Copy all arguments from the array to the stack. | 1022 // Copy all arguments from the array to the stack. |
| 1023 Label entry, loop; | 1023 Label entry, loop; |
| 1024 __ movp(rax, Operand(rbp, kIndexOffset)); | 1024 __ movp(rax, Operand(rbp, kIndexOffset)); |
| 1025 __ jmp(&entry); | 1025 __ jmp(&entry); |
| 1026 __ bind(&loop); | 1026 __ bind(&loop); |
| 1027 __ movp(rdx, Operand(rbp, kArgumentsOffset)); // load arguments | 1027 __ movp(rdx, Operand(rbp, kArgumentsOffset)); // load arguments |
| 1028 | 1028 |
| 1029 // Use inline caching to speed up access to arguments. | 1029 // Use inline caching to speed up access to arguments. |
| 1030 Handle<Code> ic = | 1030 Handle<Code> ic = |
| 1031 masm->isolate()->builtins()->KeyedLoadIC_Initialize(); | 1031 masm->isolate()->builtins()->KeyedLoadIC_Initialize(); |
| 1032 __ Call(ic, RelocInfo::CODE_TARGET); | 1032 __ Call(ic, RelocInfo::CODE_TARGET); |
| 1033 // It is important that we do not have a test instruction after the | 1033 // It is important that we do not have a test instruction after the |
| 1034 // call. A test instruction after the call is used to indicate that | 1034 // call. A test instruction after the call is used to indicate that |
| 1035 // we have generated an inline version of the keyed load. In this | 1035 // we have generated an inline version of the keyed load. In this |
| 1036 // case, we know that we are not generating a test instruction next. | 1036 // case, we know that we are not generating a test instruction next. |
| 1037 | 1037 |
| 1038 // Push the nth argument. | 1038 // Push the nth argument. |
| 1039 __ push(rax); | 1039 __ Push(rax); |
| 1040 | 1040 |
| 1041 // Update the index on the stack and in register rax. | 1041 // Update the index on the stack and in register rax. |
| 1042 __ movp(rax, Operand(rbp, kIndexOffset)); | 1042 __ movp(rax, Operand(rbp, kIndexOffset)); |
| 1043 __ SmiAddConstant(rax, rax, Smi::FromInt(1)); | 1043 __ SmiAddConstant(rax, rax, Smi::FromInt(1)); |
| 1044 __ movp(Operand(rbp, kIndexOffset), rax); | 1044 __ movp(Operand(rbp, kIndexOffset), rax); |
| 1045 | 1045 |
| 1046 __ bind(&entry); | 1046 __ bind(&entry); |
| 1047 __ cmpq(rax, Operand(rbp, kLimitOffset)); | 1047 __ cmpq(rax, Operand(rbp, kLimitOffset)); |
| 1048 __ j(not_equal, &loop); | 1048 __ j(not_equal, &loop); |
| 1049 | 1049 |
| 1050 // Call the function. | 1050 // Call the function. |
| 1051 Label call_proxy; | 1051 Label call_proxy; |
| 1052 ParameterCount actual(rax); | 1052 ParameterCount actual(rax); |
| 1053 __ SmiToInteger32(rax, rax); | 1053 __ SmiToInteger32(rax, rax); |
| 1054 __ movp(rdi, Operand(rbp, kFunctionOffset)); | 1054 __ movp(rdi, Operand(rbp, kFunctionOffset)); |
| 1055 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); | 1055 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); |
| 1056 __ j(not_equal, &call_proxy); | 1056 __ j(not_equal, &call_proxy); |
| 1057 __ InvokeFunction(rdi, actual, CALL_FUNCTION, NullCallWrapper()); | 1057 __ InvokeFunction(rdi, actual, CALL_FUNCTION, NullCallWrapper()); |
| 1058 | 1058 |
| 1059 frame_scope.GenerateLeaveFrame(); | 1059 frame_scope.GenerateLeaveFrame(); |
| 1060 __ ret(3 * kPointerSize); // remove this, receiver, and arguments | 1060 __ ret(3 * kPointerSize); // remove this, receiver, and arguments |
| 1061 | 1061 |
| 1062 // Call the function proxy. | 1062 // Call the function proxy. |
| 1063 __ bind(&call_proxy); | 1063 __ bind(&call_proxy); |
| 1064 __ push(rdi); // add function proxy as last argument | 1064 __ Push(rdi); // add function proxy as last argument |
| 1065 __ incq(rax); | 1065 __ incq(rax); |
| 1066 __ Set(rbx, 0); | 1066 __ Set(rbx, 0); |
| 1067 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY); | 1067 __ GetBuiltinEntry(rdx, Builtins::CALL_FUNCTION_PROXY); |
| 1068 __ call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 1068 __ call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 1069 RelocInfo::CODE_TARGET); | 1069 RelocInfo::CODE_TARGET); |
| 1070 | 1070 |
| 1071 // Leave internal frame. | 1071 // Leave internal frame. |
| 1072 } | 1072 } |
| 1073 __ ret(3 * kPointerSize); // remove this, receiver, and arguments | 1073 __ ret(3 * kPointerSize); // remove this, receiver, and arguments |
| 1074 } | 1074 } |
| (...skipping 150 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1225 __ j(NegateCondition(is_string), &convert_argument); | 1225 __ j(NegateCondition(is_string), &convert_argument); |
| 1226 __ movp(rbx, rax); | 1226 __ movp(rbx, rax); |
| 1227 __ IncrementCounter(counters->string_ctor_string_value(), 1); | 1227 __ IncrementCounter(counters->string_ctor_string_value(), 1); |
| 1228 __ jmp(&argument_is_string); | 1228 __ jmp(&argument_is_string); |
| 1229 | 1229 |
| 1230 // Invoke the conversion builtin and put the result into rbx. | 1230 // Invoke the conversion builtin and put the result into rbx. |
| 1231 __ bind(&convert_argument); | 1231 __ bind(&convert_argument); |
| 1232 __ IncrementCounter(counters->string_ctor_conversions(), 1); | 1232 __ IncrementCounter(counters->string_ctor_conversions(), 1); |
| 1233 { | 1233 { |
| 1234 FrameScope scope(masm, StackFrame::INTERNAL); | 1234 FrameScope scope(masm, StackFrame::INTERNAL); |
| 1235 __ push(rdi); // Preserve the function. | 1235 __ Push(rdi); // Preserve the function. |
| 1236 __ push(rax); | 1236 __ Push(rax); |
| 1237 __ InvokeBuiltin(Builtins::TO_STRING, CALL_FUNCTION); | 1237 __ InvokeBuiltin(Builtins::TO_STRING, CALL_FUNCTION); |
| 1238 __ pop(rdi); | 1238 __ Pop(rdi); |
| 1239 } | 1239 } |
| 1240 __ movp(rbx, rax); | 1240 __ movp(rbx, rax); |
| 1241 __ jmp(&argument_is_string); | 1241 __ jmp(&argument_is_string); |
| 1242 | 1242 |
| 1243 // Load the empty string into rbx, remove the receiver from the | 1243 // Load the empty string into rbx, remove the receiver from the |
| 1244 // stack, and jump back to the case where the argument is a string. | 1244 // stack, and jump back to the case where the argument is a string. |
| 1245 __ bind(&no_arguments); | 1245 __ bind(&no_arguments); |
| 1246 __ LoadRoot(rbx, Heap::kempty_stringRootIndex); | 1246 __ LoadRoot(rbx, Heap::kempty_stringRootIndex); |
| 1247 __ PopReturnAddressTo(rcx); | 1247 __ PopReturnAddressTo(rcx); |
| 1248 __ lea(rsp, Operand(rsp, kPointerSize)); | 1248 __ lea(rsp, Operand(rsp, kPointerSize)); |
| 1249 __ PushReturnAddressFrom(rcx); | 1249 __ PushReturnAddressFrom(rcx); |
| 1250 __ jmp(&argument_is_string); | 1250 __ jmp(&argument_is_string); |
| 1251 | 1251 |
| 1252 // At this point the argument is already a string. Call runtime to | 1252 // At this point the argument is already a string. Call runtime to |
| 1253 // create a string wrapper. | 1253 // create a string wrapper. |
| 1254 __ bind(&gc_required); | 1254 __ bind(&gc_required); |
| 1255 __ IncrementCounter(counters->string_ctor_gc_required(), 1); | 1255 __ IncrementCounter(counters->string_ctor_gc_required(), 1); |
| 1256 { | 1256 { |
| 1257 FrameScope scope(masm, StackFrame::INTERNAL); | 1257 FrameScope scope(masm, StackFrame::INTERNAL); |
| 1258 __ push(rbx); | 1258 __ Push(rbx); |
| 1259 __ CallRuntime(Runtime::kNewStringWrapper, 1); | 1259 __ CallRuntime(Runtime::kNewStringWrapper, 1); |
| 1260 } | 1260 } |
| 1261 __ ret(0); | 1261 __ ret(0); |
| 1262 } | 1262 } |
| 1263 | 1263 |
| 1264 | 1264 |
| 1265 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { | 1265 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { |
| 1266 __ push(rbp); | 1266 __ pushq(rbp); |
| 1267 __ movp(rbp, rsp); | 1267 __ movp(rbp, rsp); |
| 1268 | 1268 |
| 1269 // Store the arguments adaptor context sentinel. | 1269 // Store the arguments adaptor context sentinel. |
| 1270 __ Push(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); | 1270 __ Push(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); |
| 1271 | 1271 |
| 1272 // Push the function on the stack. | 1272 // Push the function on the stack. |
| 1273 __ push(rdi); | 1273 __ Push(rdi); |
| 1274 | 1274 |
| 1275 // Preserve the number of arguments on the stack. Must preserve rax, | 1275 // Preserve the number of arguments on the stack. Must preserve rax, |
| 1276 // rbx and rcx because these registers are used when copying the | 1276 // rbx and rcx because these registers are used when copying the |
| 1277 // arguments and the receiver. | 1277 // arguments and the receiver. |
| 1278 __ Integer32ToSmi(r8, rax); | 1278 __ Integer32ToSmi(r8, rax); |
| 1279 __ push(r8); | 1279 __ Push(r8); |
| 1280 } | 1280 } |
| 1281 | 1281 |
| 1282 | 1282 |
| 1283 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) { | 1283 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) { |
| 1284 // Retrieve the number of arguments from the stack. Number is a Smi. | 1284 // Retrieve the number of arguments from the stack. Number is a Smi. |
| 1285 __ movp(rbx, Operand(rbp, ArgumentsAdaptorFrameConstants::kLengthOffset)); | 1285 __ movp(rbx, Operand(rbp, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
| 1286 | 1286 |
| 1287 // Leave the frame. | 1287 // Leave the frame. |
| 1288 __ movp(rsp, rbp); | 1288 __ movp(rsp, rbp); |
| 1289 __ pop(rbp); | 1289 __ popq(rbp); |
| 1290 | 1290 |
| 1291 // Remove caller arguments from the stack. | 1291 // Remove caller arguments from the stack. |
| 1292 __ PopReturnAddressTo(rcx); | 1292 __ PopReturnAddressTo(rcx); |
| 1293 SmiIndex index = masm->SmiToIndex(rbx, rbx, kPointerSizeLog2); | 1293 SmiIndex index = masm->SmiToIndex(rbx, rbx, kPointerSizeLog2); |
| 1294 __ lea(rsp, Operand(rsp, index.reg, index.scale, 1 * kPointerSize)); | 1294 __ lea(rsp, Operand(rsp, index.reg, index.scale, 1 * kPointerSize)); |
| 1295 __ PushReturnAddressFrom(rcx); | 1295 __ PushReturnAddressFrom(rcx); |
| 1296 } | 1296 } |
| 1297 | 1297 |
| 1298 | 1298 |
| 1299 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { | 1299 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
| (...skipping 19 matching lines...) Expand all Loading... |
| 1319 EnterArgumentsAdaptorFrame(masm); | 1319 EnterArgumentsAdaptorFrame(masm); |
| 1320 | 1320 |
| 1321 // Copy receiver and all expected arguments. | 1321 // Copy receiver and all expected arguments. |
| 1322 const int offset = StandardFrameConstants::kCallerSPOffset; | 1322 const int offset = StandardFrameConstants::kCallerSPOffset; |
| 1323 __ lea(rax, Operand(rbp, rax, times_pointer_size, offset)); | 1323 __ lea(rax, Operand(rbp, rax, times_pointer_size, offset)); |
| 1324 __ Set(r8, -1); // account for receiver | 1324 __ Set(r8, -1); // account for receiver |
| 1325 | 1325 |
| 1326 Label copy; | 1326 Label copy; |
| 1327 __ bind(©); | 1327 __ bind(©); |
| 1328 __ incq(r8); | 1328 __ incq(r8); |
| 1329 __ push(Operand(rax, 0)); | 1329 __ Push(Operand(rax, 0)); |
| 1330 __ subq(rax, Immediate(kPointerSize)); | 1330 __ subq(rax, Immediate(kPointerSize)); |
| 1331 __ cmpq(r8, rbx); | 1331 __ cmpq(r8, rbx); |
| 1332 __ j(less, ©); | 1332 __ j(less, ©); |
| 1333 __ jmp(&invoke); | 1333 __ jmp(&invoke); |
| 1334 } | 1334 } |
| 1335 | 1335 |
| 1336 { // Too few parameters: Actual < expected. | 1336 { // Too few parameters: Actual < expected. |
| 1337 __ bind(&too_few); | 1337 __ bind(&too_few); |
| 1338 EnterArgumentsAdaptorFrame(masm); | 1338 EnterArgumentsAdaptorFrame(masm); |
| 1339 | 1339 |
| 1340 // Copy receiver and all actual arguments. | 1340 // Copy receiver and all actual arguments. |
| 1341 const int offset = StandardFrameConstants::kCallerSPOffset; | 1341 const int offset = StandardFrameConstants::kCallerSPOffset; |
| 1342 __ lea(rdi, Operand(rbp, rax, times_pointer_size, offset)); | 1342 __ lea(rdi, Operand(rbp, rax, times_pointer_size, offset)); |
| 1343 __ Set(r8, -1); // account for receiver | 1343 __ Set(r8, -1); // account for receiver |
| 1344 | 1344 |
| 1345 Label copy; | 1345 Label copy; |
| 1346 __ bind(©); | 1346 __ bind(©); |
| 1347 __ incq(r8); | 1347 __ incq(r8); |
| 1348 __ push(Operand(rdi, 0)); | 1348 __ Push(Operand(rdi, 0)); |
| 1349 __ subq(rdi, Immediate(kPointerSize)); | 1349 __ subq(rdi, Immediate(kPointerSize)); |
| 1350 __ cmpq(r8, rax); | 1350 __ cmpq(r8, rax); |
| 1351 __ j(less, ©); | 1351 __ j(less, ©); |
| 1352 | 1352 |
| 1353 // Fill remaining expected arguments with undefined values. | 1353 // Fill remaining expected arguments with undefined values. |
| 1354 Label fill; | 1354 Label fill; |
| 1355 __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); | 1355 __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); |
| 1356 __ bind(&fill); | 1356 __ bind(&fill); |
| 1357 __ incq(r8); | 1357 __ incq(r8); |
| 1358 __ push(kScratchRegister); | 1358 __ Push(kScratchRegister); |
| 1359 __ cmpq(r8, rbx); | 1359 __ cmpq(r8, rbx); |
| 1360 __ j(less, &fill); | 1360 __ j(less, &fill); |
| 1361 | 1361 |
| 1362 // Restore function pointer. | 1362 // Restore function pointer. |
| 1363 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1363 __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1364 } | 1364 } |
| 1365 | 1365 |
| 1366 // Call the entry point. | 1366 // Call the entry point. |
| 1367 __ bind(&invoke); | 1367 __ bind(&invoke); |
| 1368 __ call(rdx); | 1368 __ call(rdx); |
| (...skipping 12 matching lines...) Expand all Loading... |
| 1381 __ jmp(rdx); | 1381 __ jmp(rdx); |
| 1382 } | 1382 } |
| 1383 | 1383 |
| 1384 | 1384 |
| 1385 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) { | 1385 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) { |
| 1386 // Lookup the function in the JavaScript frame. | 1386 // Lookup the function in the JavaScript frame. |
| 1387 __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 1387 __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
| 1388 { | 1388 { |
| 1389 FrameScope scope(masm, StackFrame::INTERNAL); | 1389 FrameScope scope(masm, StackFrame::INTERNAL); |
| 1390 // Pass function as argument. | 1390 // Pass function as argument. |
| 1391 __ push(rax); | 1391 __ Push(rax); |
| 1392 __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1); | 1392 __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1); |
| 1393 } | 1393 } |
| 1394 | 1394 |
| 1395 Label skip; | 1395 Label skip; |
| 1396 // If the code object is null, just return to the unoptimized code. | 1396 // If the code object is null, just return to the unoptimized code. |
| 1397 __ cmpq(rax, Immediate(0)); | 1397 __ cmpq(rax, Immediate(0)); |
| 1398 __ j(not_equal, &skip, Label::kNear); | 1398 __ j(not_equal, &skip, Label::kNear); |
| 1399 __ ret(0); | 1399 __ ret(0); |
| 1400 | 1400 |
| 1401 __ bind(&skip); | 1401 __ bind(&skip); |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1433 __ bind(&ok); | 1433 __ bind(&ok); |
| 1434 __ ret(0); | 1434 __ ret(0); |
| 1435 } | 1435 } |
| 1436 | 1436 |
| 1437 | 1437 |
| 1438 #undef __ | 1438 #undef __ |
| 1439 | 1439 |
| 1440 } } // namespace v8::internal | 1440 } } // namespace v8::internal |
| 1441 | 1441 |
| 1442 #endif // V8_TARGET_ARCH_X64 | 1442 #endif // V8_TARGET_ARCH_X64 |
| OLD | NEW |