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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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359 // Check that the receiver is a valid JS object. | 359 // Check that the receiver is a valid JS object. |
360 __ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset)); | 360 __ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset)); |
361 __ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset)); | 361 __ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset)); |
362 __ cmp(r0, Operand(FIRST_JS_OBJECT_TYPE)); | 362 __ cmp(r0, Operand(FIRST_JS_OBJECT_TYPE)); |
363 __ b(lt, &miss); | 363 __ b(lt, &miss); |
364 | 364 |
365 // If this assert fails, we have to check upper bound too. | 365 // If this assert fails, we have to check upper bound too. |
366 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); | 366 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); |
367 | 367 |
368 // Check for access to global object (unlikely). | 368 // Check for access to global object (unlikely). |
369 __ cmp(r0, Operand(JS_GLOBAL_OBJECT_TYPE)); | 369 __ cmp(r0, Operand(JS_GLOBAL_PROXY_TYPE)); |
370 __ b(eq, &global); | 370 __ b(eq, &global); |
371 | 371 |
372 // Search the dictionary placing the result in r1. | 372 // Search the dictionary placing the result in r1. |
373 __ bind(&probe); | 373 __ bind(&probe); |
374 GenerateDictionaryLoad(masm, &done, &miss, r0, r1); | 374 GenerateDictionaryLoad(masm, &done, &miss, r0, r1); |
375 | 375 |
376 // Check that the value isn't a smi. | 376 // Check that the value isn't a smi. |
377 __ tst(r1, Operand(kSmiTagMask)); | 377 __ tst(r1, Operand(kSmiTagMask)); |
378 __ b(eq, &miss); | 378 __ b(eq, &miss); |
379 | 379 |
380 // Check that the value is a JSFunction. | 380 // Check that the value is a JSFunction. |
381 __ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset)); | 381 __ ldr(r0, FieldMemOperand(r1, HeapObject::kMapOffset)); |
382 __ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset)); | 382 __ ldrb(r0, FieldMemOperand(r0, Map::kInstanceTypeOffset)); |
383 __ cmp(r0, Operand(JS_FUNCTION_TYPE)); | 383 __ cmp(r0, Operand(JS_FUNCTION_TYPE)); |
384 __ b(ne, &miss); | 384 __ b(ne, &miss); |
385 | 385 |
386 // Patch the function on the stack; 1 ~ receiver. | 386 // Patch the function on the stack; 1 ~ receiver. |
387 __ str(r1, MemOperand(sp, (argc + 1) * kPointerSize)); | 387 __ str(r1, MemOperand(sp, (argc + 1) * kPointerSize)); |
388 | 388 |
389 // Invoke the function. | 389 // Invoke the function. |
390 ParameterCount actual(argc); | 390 ParameterCount actual(argc); |
391 __ InvokeFunction(r1, actual, JUMP_FUNCTION); | 391 __ InvokeFunction(r1, actual, JUMP_FUNCTION); |
392 | 392 |
393 // Global object access: Check access rights. | 393 // Global object access: Check access rights. |
394 __ bind(&global); | 394 __ bind(&global); |
395 __ CheckAccessGlobal(r1, r0, &miss); | 395 __ CheckAccessGlobalProxy(r1, r0, &miss); |
396 __ b(&probe); | 396 __ b(&probe); |
397 | 397 |
398 // Cache miss: Jump to runtime. | 398 // Cache miss: Jump to runtime. |
399 __ bind(&miss); | 399 __ bind(&miss); |
400 Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss))); | 400 Generate(masm, argc, ExternalReference(IC_Utility(kCallIC_Miss))); |
401 } | 401 } |
402 | 402 |
403 | 403 |
404 void CallIC::Generate(MacroAssembler* masm, | 404 void CallIC::Generate(MacroAssembler* masm, |
405 int argc, | 405 int argc, |
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475 | 475 |
476 // Check that the receiver is a valid JS object. | 476 // Check that the receiver is a valid JS object. |
477 __ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset)); | 477 __ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset)); |
478 __ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset)); | 478 __ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset)); |
479 __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE)); | 479 __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE)); |
480 __ b(lt, &miss); | 480 __ b(lt, &miss); |
481 // If this assert fails, we have to check upper bound too. | 481 // If this assert fails, we have to check upper bound too. |
482 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); | 482 ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); |
483 | 483 |
484 // Check for access to global object (unlikely). | 484 // Check for access to global object (unlikely). |
485 __ cmp(r1, Operand(JS_GLOBAL_OBJECT_TYPE)); | 485 __ cmp(r1, Operand(JS_GLOBAL_PROXY_TYPE)); |
486 __ b(eq, &global); | 486 __ b(eq, &global); |
487 | 487 |
488 | 488 |
489 __ bind(&probe); | 489 __ bind(&probe); |
490 GenerateDictionaryLoad(masm, &done, &miss, r1, r0); | 490 GenerateDictionaryLoad(masm, &done, &miss, r1, r0); |
491 __ Ret(); | 491 __ Ret(); |
492 | 492 |
493 // Global object access: Check access rights. | 493 // Global object access: Check access rights. |
494 __ bind(&global); | 494 __ bind(&global); |
495 __ CheckAccessGlobal(r0, r1, &miss); | 495 __ CheckAccessGlobalProxy(r0, r1, &miss); |
496 __ b(&probe); | 496 __ b(&probe); |
497 | 497 |
498 // Cache miss: Restore receiver from stack and jump to runtime. | 498 // Cache miss: Restore receiver from stack and jump to runtime. |
499 __ bind(&miss); | 499 __ bind(&miss); |
500 Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss))); | 500 Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss))); |
501 } | 501 } |
502 | 502 |
503 | 503 |
504 void LoadIC::GenerateMiss(MacroAssembler* masm) { | 504 void LoadIC::GenerateMiss(MacroAssembler* masm) { |
505 Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss))); | 505 Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss))); |
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591 | 591 |
592 // Perform tail call to the entry. | 592 // Perform tail call to the entry. |
593 __ TailCallRuntime(f, 3); | 593 __ TailCallRuntime(f, 3); |
594 } | 594 } |
595 | 595 |
596 | 596 |
597 #undef __ | 597 #undef __ |
598 | 598 |
599 | 599 |
600 } } // namespace v8::internal | 600 } } // namespace v8::internal |
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