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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 // 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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74 } | 74 } |
75 | 75 |
76 | 76 |
77 void NumberToStringStub::InitializeInterfaceDescriptor( | 77 void NumberToStringStub::InitializeInterfaceDescriptor( |
78 Isolate* isolate, | 78 Isolate* isolate, |
79 CodeStubInterfaceDescriptor* descriptor) { | 79 CodeStubInterfaceDescriptor* descriptor) { |
80 static Register registers[] = { eax }; | 80 static Register registers[] = { eax }; |
81 descriptor->register_param_count_ = 1; | 81 descriptor->register_param_count_ = 1; |
82 descriptor->register_params_ = registers; | 82 descriptor->register_params_ = registers; |
83 descriptor->deoptimization_handler_ = | 83 descriptor->deoptimization_handler_ = |
84 Runtime::FunctionForId(Runtime::kNumberToString)->entry; | 84 Runtime::FunctionForId(Runtime::kHiddenNumberToString)->entry; |
85 } | 85 } |
86 | 86 |
87 | 87 |
88 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor( | 88 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor( |
89 Isolate* isolate, | 89 Isolate* isolate, |
90 CodeStubInterfaceDescriptor* descriptor) { | 90 CodeStubInterfaceDescriptor* descriptor) { |
91 static Register registers[] = { eax, ebx, ecx }; | 91 static Register registers[] = { eax, ebx, ecx }; |
92 descriptor->register_param_count_ = 3; | 92 descriptor->register_param_count_ = 3; |
93 descriptor->register_params_ = registers; | 93 descriptor->register_params_ = registers; |
94 descriptor->deoptimization_handler_ = | 94 descriptor->deoptimization_handler_ = |
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139 } | 139 } |
140 | 140 |
141 | 141 |
142 void RegExpConstructResultStub::InitializeInterfaceDescriptor( | 142 void RegExpConstructResultStub::InitializeInterfaceDescriptor( |
143 Isolate* isolate, | 143 Isolate* isolate, |
144 CodeStubInterfaceDescriptor* descriptor) { | 144 CodeStubInterfaceDescriptor* descriptor) { |
145 static Register registers[] = { ecx, ebx, eax }; | 145 static Register registers[] = { ecx, ebx, eax }; |
146 descriptor->register_param_count_ = 3; | 146 descriptor->register_param_count_ = 3; |
147 descriptor->register_params_ = registers; | 147 descriptor->register_params_ = registers; |
148 descriptor->deoptimization_handler_ = | 148 descriptor->deoptimization_handler_ = |
149 Runtime::FunctionForId(Runtime::kRegExpConstructResult)->entry; | 149 Runtime::FunctionForId(Runtime::kHiddenRegExpConstructResult)->entry; |
150 } | 150 } |
151 | 151 |
152 | 152 |
153 void LoadFieldStub::InitializeInterfaceDescriptor( | 153 void LoadFieldStub::InitializeInterfaceDescriptor( |
154 Isolate* isolate, | 154 Isolate* isolate, |
155 CodeStubInterfaceDescriptor* descriptor) { | 155 CodeStubInterfaceDescriptor* descriptor) { |
156 static Register registers[] = { edx }; | 156 static Register registers[] = { edx }; |
157 descriptor->register_param_count_ = 1; | 157 descriptor->register_param_count_ = 1; |
158 descriptor->register_params_ = registers; | 158 descriptor->register_params_ = registers; |
159 descriptor->deoptimization_handler_ = NULL; | 159 descriptor->deoptimization_handler_ = NULL; |
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381 } | 381 } |
382 | 382 |
383 | 383 |
384 void StringAddStub::InitializeInterfaceDescriptor( | 384 void StringAddStub::InitializeInterfaceDescriptor( |
385 Isolate* isolate, | 385 Isolate* isolate, |
386 CodeStubInterfaceDescriptor* descriptor) { | 386 CodeStubInterfaceDescriptor* descriptor) { |
387 static Register registers[] = { edx, eax }; | 387 static Register registers[] = { edx, eax }; |
388 descriptor->register_param_count_ = 2; | 388 descriptor->register_param_count_ = 2; |
389 descriptor->register_params_ = registers; | 389 descriptor->register_params_ = registers; |
390 descriptor->deoptimization_handler_ = | 390 descriptor->deoptimization_handler_ = |
391 Runtime::FunctionForId(Runtime::kStringAdd)->entry; | 391 Runtime::FunctionForId(Runtime::kHiddenStringAdd)->entry; |
392 } | 392 } |
393 | 393 |
394 | 394 |
395 void CallDescriptors::InitializeForIsolate(Isolate* isolate) { | 395 void CallDescriptors::InitializeForIsolate(Isolate* isolate) { |
396 { | 396 { |
397 CallInterfaceDescriptor* descriptor = | 397 CallInterfaceDescriptor* descriptor = |
398 isolate->call_descriptor(Isolate::ArgumentAdaptorCall); | 398 isolate->call_descriptor(Isolate::ArgumentAdaptorCall); |
399 static Register registers[] = { edi, // JSFunction | 399 static Register registers[] = { edi, // JSFunction |
400 esi, // context | 400 esi, // context |
401 eax, // actual number of arguments | 401 eax, // actual number of arguments |
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1856 edi); | 1856 edi); |
1857 __ jmp(&next_capture); | 1857 __ jmp(&next_capture); |
1858 __ bind(&done); | 1858 __ bind(&done); |
1859 | 1859 |
1860 // Return last match info. | 1860 // Return last match info. |
1861 __ mov(eax, Operand(esp, kLastMatchInfoOffset)); | 1861 __ mov(eax, Operand(esp, kLastMatchInfoOffset)); |
1862 __ ret(4 * kPointerSize); | 1862 __ ret(4 * kPointerSize); |
1863 | 1863 |
1864 // Do the runtime call to execute the regexp. | 1864 // Do the runtime call to execute the regexp. |
1865 __ bind(&runtime); | 1865 __ bind(&runtime); |
1866 __ TailCallRuntime(Runtime::kRegExpExec, 4, 1); | 1866 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); |
1867 | 1867 |
1868 // Deferred code for string handling. | 1868 // Deferred code for string handling. |
1869 // (7) Not a long external string? If yes, go to (10). | 1869 // (7) Not a long external string? If yes, go to (10). |
1870 __ bind(¬_seq_nor_cons); | 1870 __ bind(¬_seq_nor_cons); |
1871 // Compare flags are still set from (3). | 1871 // Compare flags are still set from (3). |
1872 __ j(greater, ¬_long_external, Label::kNear); // Go to (10). | 1872 __ j(greater, ¬_long_external, Label::kNear); // Go to (10). |
1873 | 1873 |
1874 // (8) External string. Short external strings have been ruled out. | 1874 // (8) External string. Short external strings have been ruled out. |
1875 __ bind(&external_string); | 1875 __ bind(&external_string); |
1876 // Reload instance type. | 1876 // Reload instance type. |
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3148 __ jmp(&got_smi_index_); | 3148 __ jmp(&got_smi_index_); |
3149 | 3149 |
3150 // Call runtime. We get here when the receiver is a string and the | 3150 // Call runtime. We get here when the receiver is a string and the |
3151 // index is a number, but the code of getting the actual character | 3151 // index is a number, but the code of getting the actual character |
3152 // is too complex (e.g., when the string needs to be flattened). | 3152 // is too complex (e.g., when the string needs to be flattened). |
3153 __ bind(&call_runtime_); | 3153 __ bind(&call_runtime_); |
3154 call_helper.BeforeCall(masm); | 3154 call_helper.BeforeCall(masm); |
3155 __ push(object_); | 3155 __ push(object_); |
3156 __ SmiTag(index_); | 3156 __ SmiTag(index_); |
3157 __ push(index_); | 3157 __ push(index_); |
3158 __ CallRuntime(Runtime::kStringCharCodeAt, 2); | 3158 __ CallRuntime(Runtime::kHiddenStringCharCodeAt, 2); |
3159 if (!result_.is(eax)) { | 3159 if (!result_.is(eax)) { |
3160 __ mov(result_, eax); | 3160 __ mov(result_, eax); |
3161 } | 3161 } |
3162 call_helper.AfterCall(masm); | 3162 call_helper.AfterCall(masm); |
3163 __ jmp(&exit_); | 3163 __ jmp(&exit_); |
3164 | 3164 |
3165 __ Abort(kUnexpectedFallthroughFromCharCodeAtSlowCase); | 3165 __ Abort(kUnexpectedFallthroughFromCharCodeAtSlowCase); |
3166 } | 3166 } |
3167 | 3167 |
3168 | 3168 |
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3544 __ mov(esi, edx); // Restore esi. | 3544 __ mov(esi, edx); // Restore esi. |
3545 __ IncrementCounter(counters->sub_string_native(), 1); | 3545 __ IncrementCounter(counters->sub_string_native(), 1); |
3546 __ ret(3 * kPointerSize); | 3546 __ ret(3 * kPointerSize); |
3547 | 3547 |
3548 // Drop pushed values on the stack before tail call. | 3548 // Drop pushed values on the stack before tail call. |
3549 __ bind(&runtime_drop_two); | 3549 __ bind(&runtime_drop_two); |
3550 __ Drop(2); | 3550 __ Drop(2); |
3551 | 3551 |
3552 // Just jump to runtime to create the sub string. | 3552 // Just jump to runtime to create the sub string. |
3553 __ bind(&runtime); | 3553 __ bind(&runtime); |
3554 __ TailCallRuntime(Runtime::kSubString, 3, 1); | 3554 __ TailCallRuntime(Runtime::kHiddenSubString, 3, 1); |
3555 | 3555 |
3556 __ bind(&single_char); | 3556 __ bind(&single_char); |
3557 // eax: string | 3557 // eax: string |
3558 // ebx: instance type | 3558 // ebx: instance type |
3559 // ecx: sub string length (smi) | 3559 // ecx: sub string length (smi) |
3560 // edx: from index (smi) | 3560 // edx: from index (smi) |
3561 StringCharAtGenerator generator( | 3561 StringCharAtGenerator generator( |
3562 eax, edx, ecx, eax, &runtime, &runtime, &runtime, STRING_INDEX_IS_NUMBER); | 3562 eax, edx, ecx, eax, &runtime, &runtime, &runtime, STRING_INDEX_IS_NUMBER); |
3563 generator.GenerateFast(masm); | 3563 generator.GenerateFast(masm); |
3564 __ ret(3 * kPointerSize); | 3564 __ ret(3 * kPointerSize); |
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3726 // Compare flat ASCII strings. | 3726 // Compare flat ASCII strings. |
3727 // Drop arguments from the stack. | 3727 // Drop arguments from the stack. |
3728 __ pop(ecx); | 3728 __ pop(ecx); |
3729 __ add(esp, Immediate(2 * kPointerSize)); | 3729 __ add(esp, Immediate(2 * kPointerSize)); |
3730 __ push(ecx); | 3730 __ push(ecx); |
3731 GenerateCompareFlatAsciiStrings(masm, edx, eax, ecx, ebx, edi); | 3731 GenerateCompareFlatAsciiStrings(masm, edx, eax, ecx, ebx, edi); |
3732 | 3732 |
3733 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) | 3733 // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater) |
3734 // tagged as a small integer. | 3734 // tagged as a small integer. |
3735 __ bind(&runtime); | 3735 __ bind(&runtime); |
3736 __ TailCallRuntime(Runtime::kStringCompare, 2, 1); | 3736 __ TailCallRuntime(Runtime::kHiddenStringCompare, 2, 1); |
3737 } | 3737 } |
3738 | 3738 |
3739 | 3739 |
3740 void ArrayPushStub::Generate(MacroAssembler* masm) { | 3740 void ArrayPushStub::Generate(MacroAssembler* masm) { |
3741 int argc = arguments_count(); | 3741 int argc = arguments_count(); |
3742 | 3742 |
3743 if (argc == 0) { | 3743 if (argc == 0) { |
3744 // Noop, return the length. | 3744 // Noop, return the length. |
3745 __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); | 3745 __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
3746 __ ret((argc + 1) * kPointerSize); | 3746 __ ret((argc + 1) * kPointerSize); |
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4249 | 4249 |
4250 // Handle more complex cases in runtime. | 4250 // Handle more complex cases in runtime. |
4251 __ bind(&runtime); | 4251 __ bind(&runtime); |
4252 __ pop(tmp1); // Return address. | 4252 __ pop(tmp1); // Return address. |
4253 __ push(left); | 4253 __ push(left); |
4254 __ push(right); | 4254 __ push(right); |
4255 __ push(tmp1); | 4255 __ push(tmp1); |
4256 if (equality) { | 4256 if (equality) { |
4257 __ TailCallRuntime(Runtime::kStringEquals, 2, 1); | 4257 __ TailCallRuntime(Runtime::kStringEquals, 2, 1); |
4258 } else { | 4258 } else { |
4259 __ TailCallRuntime(Runtime::kStringCompare, 2, 1); | 4259 __ TailCallRuntime(Runtime::kHiddenStringCompare, 2, 1); |
4260 } | 4260 } |
4261 | 4261 |
4262 __ bind(&miss); | 4262 __ bind(&miss); |
4263 GenerateMiss(masm); | 4263 GenerateMiss(masm); |
4264 } | 4264 } |
4265 | 4265 |
4266 | 4266 |
4267 void ICCompareStub::GenerateObjects(MacroAssembler* masm) { | 4267 void ICCompareStub::GenerateObjects(MacroAssembler* masm) { |
4268 ASSERT(state_ == CompareIC::OBJECT); | 4268 ASSERT(state_ == CompareIC::OBJECT); |
4269 Label miss; | 4269 Label miss; |
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5355 Operand(ebp, 7 * kPointerSize), | 5355 Operand(ebp, 7 * kPointerSize), |
5356 NULL); | 5356 NULL); |
5357 } | 5357 } |
5358 | 5358 |
5359 | 5359 |
5360 #undef __ | 5360 #undef __ |
5361 | 5361 |
5362 } } // namespace v8::internal | 5362 } } // namespace v8::internal |
5363 | 5363 |
5364 #endif // V8_TARGET_ARCH_IA32 | 5364 #endif // V8_TARGET_ARCH_IA32 |
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