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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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436 __ CompareObjectType(r2, r3, r4, MAP_TYPE); | 436 __ CompareObjectType(r2, r3, r4, MAP_TYPE); |
437 __ Assert(eq, "Unexpected initial map for Array function"); | 437 __ Assert(eq, "Unexpected initial map for Array function"); |
438 } | 438 } |
439 | 439 |
440 // Run the native code for the Array function called as a normal function. | 440 // Run the native code for the Array function called as a normal function. |
441 ArrayNativeCode(masm, &generic_array_code); | 441 ArrayNativeCode(masm, &generic_array_code); |
442 | 442 |
443 // Jump to the generic array code if the specialized code cannot handle | 443 // Jump to the generic array code if the specialized code cannot handle |
444 // the construction. | 444 // the construction. |
445 __ bind(&generic_array_code); | 445 __ bind(&generic_array_code); |
446 Code* code = masm->isolate()->builtins()->builtin( | 446 |
447 Builtins::ArrayCodeGeneric); | 447 Handle<Code> array_code = |
448 Handle<Code> array_code(code); | 448 masm->isolate()->builtins()->ArrayCodeGeneric(); |
449 __ Jump(array_code, RelocInfo::CODE_TARGET); | 449 __ Jump(array_code, RelocInfo::CODE_TARGET); |
450 } | 450 } |
451 | 451 |
452 | 452 |
453 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { | 453 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { |
454 // ----------- S t a t e ------------- | 454 // ----------- S t a t e ------------- |
455 // -- r0 : number of arguments | 455 // -- r0 : number of arguments |
456 // -- r1 : constructor function | 456 // -- r1 : constructor function |
457 // -- lr : return address | 457 // -- lr : return address |
458 // -- sp[...]: constructor arguments | 458 // -- sp[...]: constructor arguments |
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469 __ CompareObjectType(r2, r3, r4, MAP_TYPE); | 469 __ CompareObjectType(r2, r3, r4, MAP_TYPE); |
470 __ Assert(eq, "Unexpected initial map for Array function"); | 470 __ Assert(eq, "Unexpected initial map for Array function"); |
471 } | 471 } |
472 | 472 |
473 // Run the native code for the Array function called as a constructor. | 473 // Run the native code for the Array function called as a constructor. |
474 ArrayNativeCode(masm, &generic_constructor); | 474 ArrayNativeCode(masm, &generic_constructor); |
475 | 475 |
476 // Jump to the generic construct code in case the specialized code cannot | 476 // Jump to the generic construct code in case the specialized code cannot |
477 // handle the construction. | 477 // handle the construction. |
478 __ bind(&generic_constructor); | 478 __ bind(&generic_constructor); |
479 Code* code = masm->isolate()->builtins()->builtin( | 479 Handle<Code> generic_construct_stub = |
480 Builtins::JSConstructStubGeneric); | 480 masm->isolate()->builtins()->JSConstructStubGeneric(); |
481 Handle<Code> generic_construct_stub(code); | |
482 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); | 481 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); |
483 } | 482 } |
484 | 483 |
485 | 484 |
486 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 485 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { |
487 // ----------- S t a t e ------------- | 486 // ----------- S t a t e ------------- |
488 // -- r0 : number of arguments | 487 // -- r0 : number of arguments |
489 // -- r1 : constructor function | 488 // -- r1 : constructor function |
490 // -- lr : return address | 489 // -- lr : return address |
491 // -- sp[(argc - n - 1) * 4] : arg[n] (zero based) | 490 // -- sp[(argc - n - 1) * 4] : arg[n] (zero based) |
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630 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 629 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
631 __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kConstructStubOffset)); | 630 __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kConstructStubOffset)); |
632 __ add(pc, r2, Operand(Code::kHeaderSize - kHeapObjectTag)); | 631 __ add(pc, r2, Operand(Code::kHeaderSize - kHeapObjectTag)); |
633 | 632 |
634 // r0: number of arguments | 633 // r0: number of arguments |
635 // r1: called object | 634 // r1: called object |
636 __ bind(&non_function_call); | 635 __ bind(&non_function_call); |
637 // Set expected number of arguments to zero (not changing r0). | 636 // Set expected number of arguments to zero (not changing r0). |
638 __ mov(r2, Operand(0, RelocInfo::NONE)); | 637 __ mov(r2, Operand(0, RelocInfo::NONE)); |
639 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 638 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); |
640 __ Jump(Handle<Code>(masm->isolate()->builtins()->builtin( | 639 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
641 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); | 640 RelocInfo::CODE_TARGET); |
642 } | 641 } |
643 | 642 |
644 | 643 |
645 static void Generate_JSConstructStubHelper(MacroAssembler* masm, | 644 static void Generate_JSConstructStubHelper(MacroAssembler* masm, |
646 bool is_api_function, | 645 bool is_api_function, |
647 bool count_constructions) { | 646 bool count_constructions) { |
648 // Should never count constructions for api objects. | 647 // Should never count constructions for api objects. |
649 ASSERT(!is_api_function || !count_constructions); | 648 ASSERT(!is_api_function || !count_constructions); |
650 | 649 |
651 Isolate* isolate = masm->isolate(); | 650 Isolate* isolate = masm->isolate(); |
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904 __ push(ip); | 903 __ push(ip); |
905 __ bind(&entry); | 904 __ bind(&entry); |
906 __ sub(r3, r3, Operand(2), SetCC); | 905 __ sub(r3, r3, Operand(2), SetCC); |
907 __ b(ge, &loop); | 906 __ b(ge, &loop); |
908 | 907 |
909 // Call the function. | 908 // Call the function. |
910 // r0: number of arguments | 909 // r0: number of arguments |
911 // r1: constructor function | 910 // r1: constructor function |
912 if (is_api_function) { | 911 if (is_api_function) { |
913 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); | 912 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
914 Handle<Code> code = Handle<Code>( | 913 Handle<Code> code = |
915 isolate->builtins()->builtin(Builtins::HandleApiCallConstruct)); | 914 masm->isolate()->builtins()->HandleApiCallConstruct(); |
916 ParameterCount expected(0); | 915 ParameterCount expected(0); |
917 __ InvokeCode(code, expected, expected, | 916 __ InvokeCode(code, expected, expected, |
918 RelocInfo::CODE_TARGET, CALL_FUNCTION); | 917 RelocInfo::CODE_TARGET, CALL_FUNCTION); |
919 } else { | 918 } else { |
920 ParameterCount actual(r0); | 919 ParameterCount actual(r0); |
921 __ InvokeFunction(r1, actual, CALL_FUNCTION); | 920 __ InvokeFunction(r1, actual, CALL_FUNCTION); |
922 } | 921 } |
923 | 922 |
924 // Pop the function from the stack. | 923 // Pop the function from the stack. |
925 // sp[0]: constructor function | 924 // sp[0]: constructor function |
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1039 __ mov(r5, Operand(r4)); | 1038 __ mov(r5, Operand(r4)); |
1040 __ mov(r6, Operand(r4)); | 1039 __ mov(r6, Operand(r4)); |
1041 __ mov(r7, Operand(r4)); | 1040 __ mov(r7, Operand(r4)); |
1042 if (kR9Available == 1) { | 1041 if (kR9Available == 1) { |
1043 __ mov(r9, Operand(r4)); | 1042 __ mov(r9, Operand(r4)); |
1044 } | 1043 } |
1045 | 1044 |
1046 // Invoke the code and pass argc as r0. | 1045 // Invoke the code and pass argc as r0. |
1047 __ mov(r0, Operand(r3)); | 1046 __ mov(r0, Operand(r3)); |
1048 if (is_construct) { | 1047 if (is_construct) { |
1049 __ Call(Handle<Code>(masm->isolate()->builtins()->builtin( | 1048 __ Call(masm->isolate()->builtins()->JSConstructCall(), |
1050 Builtins::JSConstructCall)), RelocInfo::CODE_TARGET); | 1049 RelocInfo::CODE_TARGET); |
1051 } else { | 1050 } else { |
1052 ParameterCount actual(r0); | 1051 ParameterCount actual(r0); |
1053 __ InvokeFunction(r1, actual, CALL_FUNCTION); | 1052 __ InvokeFunction(r1, actual, CALL_FUNCTION); |
1054 } | 1053 } |
1055 | 1054 |
1056 // Exit the JS frame and remove the parameters (except function), and return. | 1055 // Exit the JS frame and remove the parameters (except function), and return. |
1057 // Respect ABI stack constraint. | 1056 // Respect ABI stack constraint. |
1058 __ LeaveInternalFrame(); | 1057 __ LeaveInternalFrame(); |
1059 __ Jump(lr); | 1058 __ Jump(lr); |
1060 | 1059 |
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1332 | 1331 |
1333 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. | 1332 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. |
1334 // r0: actual number of arguments | 1333 // r0: actual number of arguments |
1335 // r1: function | 1334 // r1: function |
1336 { Label function; | 1335 { Label function; |
1337 __ tst(r1, r1); | 1336 __ tst(r1, r1); |
1338 __ b(ne, &function); | 1337 __ b(ne, &function); |
1339 // Expected number of arguments is 0 for CALL_NON_FUNCTION. | 1338 // Expected number of arguments is 0 for CALL_NON_FUNCTION. |
1340 __ mov(r2, Operand(0, RelocInfo::NONE)); | 1339 __ mov(r2, Operand(0, RelocInfo::NONE)); |
1341 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION); | 1340 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION); |
1342 __ Jump(Handle<Code>(masm->isolate()->builtins()->builtin( | 1341 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
1343 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); | 1342 RelocInfo::CODE_TARGET); |
1344 __ bind(&function); | 1343 __ bind(&function); |
1345 } | 1344 } |
1346 | 1345 |
1347 // 5b. Get the code to call from the function and check that the number of | 1346 // 5b. Get the code to call from the function and check that the number of |
1348 // expected arguments matches what we're providing. If so, jump | 1347 // expected arguments matches what we're providing. If so, jump |
1349 // (tail-call) to the code in register edx without checking arguments. | 1348 // (tail-call) to the code in register edx without checking arguments. |
1350 // r0: actual number of arguments | 1349 // r0: actual number of arguments |
1351 // r1: function | 1350 // r1: function |
1352 __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 1351 __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
1353 __ ldr(r2, | 1352 __ ldr(r2, |
1354 FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset)); | 1353 FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset)); |
1355 __ mov(r2, Operand(r2, ASR, kSmiTagSize)); | 1354 __ mov(r2, Operand(r2, ASR, kSmiTagSize)); |
1356 __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); | 1355 __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); |
1357 __ cmp(r2, r0); // Check formal and actual parameter counts. | 1356 __ cmp(r2, r0); // Check formal and actual parameter counts. |
1358 __ Jump(Handle<Code>(masm->isolate()->builtins()->builtin( | 1357 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
1359 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET, ne); | 1358 RelocInfo::CODE_TARGET, |
| 1359 ne); |
1360 | 1360 |
1361 ParameterCount expected(0); | 1361 ParameterCount expected(0); |
1362 __ InvokeCode(r3, expected, expected, JUMP_FUNCTION); | 1362 __ InvokeCode(r3, expected, expected, JUMP_FUNCTION); |
1363 } | 1363 } |
1364 | 1364 |
1365 | 1365 |
1366 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { | 1366 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { |
1367 const int kIndexOffset = -5 * kPointerSize; | 1367 const int kIndexOffset = -5 * kPointerSize; |
1368 const int kLimitOffset = -4 * kPointerSize; | 1368 const int kLimitOffset = -4 * kPointerSize; |
1369 const int kArgsOffset = 2 * kPointerSize; | 1369 const int kArgsOffset = 2 * kPointerSize; |
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1623 __ bind(&dont_adapt_arguments); | 1623 __ bind(&dont_adapt_arguments); |
1624 __ Jump(r3); | 1624 __ Jump(r3); |
1625 } | 1625 } |
1626 | 1626 |
1627 | 1627 |
1628 #undef __ | 1628 #undef __ |
1629 | 1629 |
1630 } } // namespace v8::internal | 1630 } } // namespace v8::internal |
1631 | 1631 |
1632 #endif // V8_TARGET_ARCH_ARM | 1632 #endif // V8_TARGET_ARCH_ARM |
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