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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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| 93 __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kConstructStubOffset)); | 93 __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kConstructStubOffset)); |
| 94 __ lea(ebx, FieldOperand(ebx, Code::kHeaderSize)); | 94 __ lea(ebx, FieldOperand(ebx, Code::kHeaderSize)); |
| 95 __ jmp(Operand(ebx)); | 95 __ jmp(Operand(ebx)); |
| 96 | 96 |
| 97 // edi: called object | 97 // edi: called object |
| 98 // eax: number of arguments | 98 // eax: number of arguments |
| 99 __ bind(&non_function_call); | 99 __ bind(&non_function_call); |
| 100 // Set expected number of arguments to zero (not changing eax). | 100 // Set expected number of arguments to zero (not changing eax). |
| 101 __ Set(ebx, Immediate(0)); | 101 __ Set(ebx, Immediate(0)); |
| 102 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 102 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); |
| 103 __ jmp(Handle<Code>(masm->isolate()->builtins()->builtin( | 103 Handle<Code> arguments_adaptor = |
| 104 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); | 104 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(); |
| 105 __ jmp(arguments_adaptor, RelocInfo::CODE_TARGET); |
| 105 } | 106 } |
| 106 | 107 |
| 107 | 108 |
| 108 static void Generate_JSConstructStubHelper(MacroAssembler* masm, | 109 static void Generate_JSConstructStubHelper(MacroAssembler* masm, |
| 109 bool is_api_function, | 110 bool is_api_function, |
| 110 bool count_constructions) { | 111 bool count_constructions) { |
| 111 // Should never count constructions for api objects. | 112 // Should never count constructions for api objects. |
| 112 ASSERT(!is_api_function || !count_constructions); | 113 ASSERT(!is_api_function || !count_constructions); |
| 113 | 114 |
| 114 // Enter a construct frame. | 115 // Enter a construct frame. |
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| 327 __ jmp(&entry); | 328 __ jmp(&entry); |
| 328 __ bind(&loop); | 329 __ bind(&loop); |
| 329 __ push(Operand(ebx, ecx, times_4, 0)); | 330 __ push(Operand(ebx, ecx, times_4, 0)); |
| 330 __ bind(&entry); | 331 __ bind(&entry); |
| 331 __ dec(ecx); | 332 __ dec(ecx); |
| 332 __ j(greater_equal, &loop); | 333 __ j(greater_equal, &loop); |
| 333 | 334 |
| 334 // Call the function. | 335 // Call the function. |
| 335 if (is_api_function) { | 336 if (is_api_function) { |
| 336 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | 337 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 337 Handle<Code> code = Handle<Code>( | 338 Handle<Code> code = |
| 338 masm->isolate()->builtins()->builtin(Builtins::HandleApiCallConstruct)); | 339 masm->isolate()->builtins()->HandleApiCallConstruct(); |
| 339 ParameterCount expected(0); | 340 ParameterCount expected(0); |
| 340 __ InvokeCode(code, expected, expected, | 341 __ InvokeCode(code, expected, expected, |
| 341 RelocInfo::CODE_TARGET, CALL_FUNCTION); | 342 RelocInfo::CODE_TARGET, CALL_FUNCTION); |
| 342 } else { | 343 } else { |
| 343 ParameterCount actual(eax); | 344 ParameterCount actual(eax); |
| 344 __ InvokeFunction(edi, actual, CALL_FUNCTION); | 345 __ InvokeFunction(edi, actual, CALL_FUNCTION); |
| 345 } | 346 } |
| 346 | 347 |
| 347 // Restore context from the frame. | 348 // Restore context from the frame. |
| 348 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 349 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
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| 429 __ inc(Operand(ecx)); | 430 __ inc(Operand(ecx)); |
| 430 __ bind(&entry); | 431 __ bind(&entry); |
| 431 __ cmp(ecx, Operand(eax)); | 432 __ cmp(ecx, Operand(eax)); |
| 432 __ j(not_equal, &loop); | 433 __ j(not_equal, &loop); |
| 433 | 434 |
| 434 // Get the function from the stack and call it. | 435 // Get the function from the stack and call it. |
| 435 __ mov(edi, Operand(esp, eax, times_4, +1 * kPointerSize)); // +1 ~ receiver | 436 __ mov(edi, Operand(esp, eax, times_4, +1 * kPointerSize)); // +1 ~ receiver |
| 436 | 437 |
| 437 // Invoke the code. | 438 // Invoke the code. |
| 438 if (is_construct) { | 439 if (is_construct) { |
| 439 __ call(Handle<Code>(masm->isolate()->builtins()->builtin( | 440 __ call(masm->isolate()->builtins()->JSConstructCall(), |
| 440 Builtins::JSConstructCall)), RelocInfo::CODE_TARGET); | 441 RelocInfo::CODE_TARGET); |
| 441 } else { | 442 } else { |
| 442 ParameterCount actual(eax); | 443 ParameterCount actual(eax); |
| 443 __ InvokeFunction(edi, actual, CALL_FUNCTION); | 444 __ InvokeFunction(edi, actual, CALL_FUNCTION); |
| 444 } | 445 } |
| 445 | 446 |
| 446 // Exit the JS frame. Notice that this also removes the empty | 447 // Exit the JS frame. Notice that this also removes the empty |
| 447 // context and the function left on the stack by the code | 448 // context and the function left on the stack by the code |
| 448 // invocation. | 449 // invocation. |
| 449 __ LeaveInternalFrame(); | 450 __ LeaveInternalFrame(); |
| 450 __ ret(1 * kPointerSize); // remove receiver | 451 __ ret(1 * kPointerSize); // remove receiver |
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| 667 __ pop(ebx); // Discard copy of return address. | 668 __ pop(ebx); // Discard copy of return address. |
| 668 __ dec(eax); // One fewer argument (first argument is new receiver). | 669 __ dec(eax); // One fewer argument (first argument is new receiver). |
| 669 } | 670 } |
| 670 | 671 |
| 671 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. | 672 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. |
| 672 { Label function; | 673 { Label function; |
| 673 __ test(edi, Operand(edi)); | 674 __ test(edi, Operand(edi)); |
| 674 __ j(not_zero, &function, taken); | 675 __ j(not_zero, &function, taken); |
| 675 __ Set(ebx, Immediate(0)); | 676 __ Set(ebx, Immediate(0)); |
| 676 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION); | 677 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION); |
| 677 __ jmp(Handle<Code>(masm->isolate()->builtins()->builtin( | 678 __ jmp(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
| 678 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); | 679 RelocInfo::CODE_TARGET); |
| 679 __ bind(&function); | 680 __ bind(&function); |
| 680 } | 681 } |
| 681 | 682 |
| 682 // 5b. Get the code to call from the function and check that the number of | 683 // 5b. Get the code to call from the function and check that the number of |
| 683 // expected arguments matches what we're providing. If so, jump | 684 // expected arguments matches what we're providing. If so, jump |
| 684 // (tail-call) to the code in register edx without checking arguments. | 685 // (tail-call) to the code in register edx without checking arguments. |
| 685 __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); | 686 __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
| 686 __ mov(ebx, | 687 __ mov(ebx, |
| 687 FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset)); | 688 FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset)); |
| 688 __ mov(edx, FieldOperand(edi, JSFunction::kCodeEntryOffset)); | 689 __ mov(edx, FieldOperand(edi, JSFunction::kCodeEntryOffset)); |
| 689 __ SmiUntag(ebx); | 690 __ SmiUntag(ebx); |
| 690 __ cmp(eax, Operand(ebx)); | 691 __ cmp(eax, Operand(ebx)); |
| 691 __ j(not_equal, Handle<Code>(masm->isolate()->builtins()->builtin( | 692 __ j(not_equal, |
| 692 ArgumentsAdaptorTrampoline))); | 693 masm->isolate()->builtins()->ArgumentsAdaptorTrampoline()); |
| 693 | 694 |
| 694 ParameterCount expected(0); | 695 ParameterCount expected(0); |
| 695 __ InvokeCode(Operand(edx), expected, expected, JUMP_FUNCTION); | 696 __ InvokeCode(Operand(edx), expected, expected, JUMP_FUNCTION); |
| 696 } | 697 } |
| 697 | 698 |
| 698 | 699 |
| 699 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { | 700 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { |
| 700 __ EnterInternalFrame(); | 701 __ EnterInternalFrame(); |
| 701 | 702 |
| 702 __ push(Operand(ebp, 4 * kPointerSize)); // push this | 703 __ push(Operand(ebp, 4 * kPointerSize)); // push this |
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| 789 __ push(ebx); | 790 __ push(ebx); |
| 790 | 791 |
| 791 // Copy all arguments from the array to the stack. | 792 // Copy all arguments from the array to the stack. |
| 792 Label entry, loop; | 793 Label entry, loop; |
| 793 __ mov(eax, Operand(ebp, kIndexOffset)); | 794 __ mov(eax, Operand(ebp, kIndexOffset)); |
| 794 __ jmp(&entry); | 795 __ jmp(&entry); |
| 795 __ bind(&loop); | 796 __ bind(&loop); |
| 796 __ mov(edx, Operand(ebp, 2 * kPointerSize)); // load arguments | 797 __ mov(edx, Operand(ebp, 2 * kPointerSize)); // load arguments |
| 797 | 798 |
| 798 // Use inline caching to speed up access to arguments. | 799 // Use inline caching to speed up access to arguments. |
| 799 Handle<Code> ic(masm->isolate()->builtins()->builtin( | 800 Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Initialize(); |
| 800 Builtins::KeyedLoadIC_Initialize)); | |
| 801 __ call(ic, RelocInfo::CODE_TARGET); | 801 __ call(ic, RelocInfo::CODE_TARGET); |
| 802 // It is important that we do not have a test instruction after the | 802 // It is important that we do not have a test instruction after the |
| 803 // call. A test instruction after the call is used to indicate that | 803 // call. A test instruction after the call is used to indicate that |
| 804 // we have generated an inline version of the keyed load. In this | 804 // we have generated an inline version of the keyed load. In this |
| 805 // case, we know that we are not generating a test instruction next. | 805 // case, we know that we are not generating a test instruction next. |
| 806 | 806 |
| 807 // Push the nth argument. | 807 // Push the nth argument. |
| 808 __ push(eax); | 808 __ push(eax); |
| 809 | 809 |
| 810 // Update the index on the stack and in register eax. | 810 // Update the index on the stack and in register eax. |
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| 1228 __ CmpObjectType(ebx, MAP_TYPE, ecx); | 1228 __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 1229 __ Assert(equal, "Unexpected initial map for Array function"); | 1229 __ Assert(equal, "Unexpected initial map for Array function"); |
| 1230 } | 1230 } |
| 1231 | 1231 |
| 1232 // Run the native code for the Array function called as a normal function. | 1232 // Run the native code for the Array function called as a normal function. |
| 1233 ArrayNativeCode(masm, false, &generic_array_code); | 1233 ArrayNativeCode(masm, false, &generic_array_code); |
| 1234 | 1234 |
| 1235 // Jump to the generic array code in case the specialized code cannot handle | 1235 // Jump to the generic array code in case the specialized code cannot handle |
| 1236 // the construction. | 1236 // the construction. |
| 1237 __ bind(&generic_array_code); | 1237 __ bind(&generic_array_code); |
| 1238 Code* code = masm->isolate()->builtins()->builtin(Builtins::ArrayCodeGeneric); | 1238 Handle<Code> array_code = |
| 1239 Handle<Code> array_code(code); | 1239 masm->isolate()->builtins()->ArrayCodeGeneric(); |
| 1240 __ jmp(array_code, RelocInfo::CODE_TARGET); | 1240 __ jmp(array_code, RelocInfo::CODE_TARGET); |
| 1241 } | 1241 } |
| 1242 | 1242 |
| 1243 | 1243 |
| 1244 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { | 1244 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { |
| 1245 // ----------- S t a t e ------------- | 1245 // ----------- S t a t e ------------- |
| 1246 // -- eax : argc | 1246 // -- eax : argc |
| 1247 // -- edi : constructor | 1247 // -- edi : constructor |
| 1248 // -- esp[0] : return address | 1248 // -- esp[0] : return address |
| 1249 // -- esp[4] : last argument | 1249 // -- esp[4] : last argument |
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| 1262 __ CmpObjectType(ebx, MAP_TYPE, ecx); | 1262 __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 1263 __ Assert(equal, "Unexpected initial map for Array function"); | 1263 __ Assert(equal, "Unexpected initial map for Array function"); |
| 1264 } | 1264 } |
| 1265 | 1265 |
| 1266 // Run the native code for the Array function called as constructor. | 1266 // Run the native code for the Array function called as constructor. |
| 1267 ArrayNativeCode(masm, true, &generic_constructor); | 1267 ArrayNativeCode(masm, true, &generic_constructor); |
| 1268 | 1268 |
| 1269 // Jump to the generic construct code in case the specialized code cannot | 1269 // Jump to the generic construct code in case the specialized code cannot |
| 1270 // handle the construction. | 1270 // handle the construction. |
| 1271 __ bind(&generic_constructor); | 1271 __ bind(&generic_constructor); |
| 1272 Code* code = masm->isolate()->builtins()->builtin( | 1272 Handle<Code> generic_construct_stub = |
| 1273 Builtins::JSConstructStubGeneric); | 1273 masm->isolate()->builtins()->JSConstructStubGeneric(); |
| 1274 Handle<Code> generic_construct_stub(code); | |
| 1275 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); | 1274 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); |
| 1276 } | 1275 } |
| 1277 | 1276 |
| 1278 | 1277 |
| 1279 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 1278 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { |
| 1280 // ----------- S t a t e ------------- | 1279 // ----------- S t a t e ------------- |
| 1281 // -- eax : number of arguments | 1280 // -- eax : number of arguments |
| 1282 // -- edi : constructor function | 1281 // -- edi : constructor function |
| 1283 // -- esp[0] : return address | 1282 // -- esp[0] : return address |
| 1284 // -- esp[(argc - n) * 4] : arg[n] (zero-based) | 1283 // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
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| 1581 __ push(eax); | 1580 __ push(eax); |
| 1582 | 1581 |
| 1583 // Generate the code for doing the frame-to-frame translation using | 1582 // Generate the code for doing the frame-to-frame translation using |
| 1584 // the deoptimizer infrastructure. | 1583 // the deoptimizer infrastructure. |
| 1585 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); | 1584 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); |
| 1586 generator.Generate(); | 1585 generator.Generate(); |
| 1587 } | 1586 } |
| 1588 | 1587 |
| 1589 | 1588 |
| 1590 #undef __ | 1589 #undef __ |
| 1591 | 1590 } |
| 1592 } } // namespace v8::internal | 1591 } // namespace v8::internal |
| 1593 | 1592 |
| 1594 #endif // V8_TARGET_ARCH_IA32 | 1593 #endif // V8_TARGET_ARCH_IA32 |
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