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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1231 __ lea(edi, FieldOperand(edi, edx, times_1, Code::kHeaderSize)); | 1231 __ lea(edi, FieldOperand(edi, edx, times_1, Code::kHeaderSize)); |
1232 __ jmp(edi); | 1232 __ jmp(edi); |
1233 } | 1233 } |
1234 | 1234 |
1235 | 1235 |
1236 void RegExpExecStub::Generate(MacroAssembler* masm) { | 1236 void RegExpExecStub::Generate(MacroAssembler* masm) { |
1237 // Just jump directly to runtime if native RegExp is not selected at compile | 1237 // Just jump directly to runtime if native RegExp is not selected at compile |
1238 // time or if regexp entry in generated code is turned off runtime switch or | 1238 // time or if regexp entry in generated code is turned off runtime switch or |
1239 // at compilation. | 1239 // at compilation. |
1240 #ifdef V8_INTERPRETED_REGEXP | 1240 #ifdef V8_INTERPRETED_REGEXP |
1241 __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1); | 1241 __ TailCallRuntime(Runtime::kRegExpExec, 4, 1); |
1242 #else // V8_INTERPRETED_REGEXP | 1242 #else // V8_INTERPRETED_REGEXP |
1243 | 1243 |
1244 // Stack frame on entry. | 1244 // Stack frame on entry. |
1245 // esp[0]: return address | 1245 // esp[0]: return address |
1246 // esp[4]: last_match_info (expected JSArray) | 1246 // esp[4]: last_match_info (expected JSArray) |
1247 // esp[8]: previous index | 1247 // esp[8]: previous index |
1248 // esp[12]: subject string | 1248 // esp[12]: subject string |
1249 // esp[16]: JSRegExp object | 1249 // esp[16]: JSRegExp object |
1250 | 1250 |
1251 static const int kLastMatchInfoOffset = 1 * kPointerSize; | 1251 static const int kLastMatchInfoOffset = 1 * kPointerSize; |
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1602 edi); | 1602 edi); |
1603 __ jmp(&next_capture); | 1603 __ jmp(&next_capture); |
1604 __ bind(&done); | 1604 __ bind(&done); |
1605 | 1605 |
1606 // Return last match info. | 1606 // Return last match info. |
1607 __ mov(eax, Operand(esp, kLastMatchInfoOffset)); | 1607 __ mov(eax, Operand(esp, kLastMatchInfoOffset)); |
1608 __ ret(4 * kPointerSize); | 1608 __ ret(4 * kPointerSize); |
1609 | 1609 |
1610 // Do the runtime call to execute the regexp. | 1610 // Do the runtime call to execute the regexp. |
1611 __ bind(&runtime); | 1611 __ bind(&runtime); |
1612 __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1); | 1612 __ TailCallRuntime(Runtime::kRegExpExec, 4, 1); |
1613 | 1613 |
1614 // Deferred code for string handling. | 1614 // Deferred code for string handling. |
1615 // (7) Not a long external string? If yes, go to (10). | 1615 // (7) Not a long external string? If yes, go to (10). |
1616 __ bind(¬_seq_nor_cons); | 1616 __ bind(¬_seq_nor_cons); |
1617 // Compare flags are still set from (3). | 1617 // Compare flags are still set from (3). |
1618 __ j(greater, ¬_long_external, Label::kNear); // Go to (10). | 1618 __ j(greater, ¬_long_external, Label::kNear); // Go to (10). |
1619 | 1619 |
1620 // (8) External string. Short external strings have been ruled out. | 1620 // (8) External string. Short external strings have been ruled out. |
1621 __ bind(&external_string); | 1621 __ bind(&external_string); |
1622 // Reload instance type. | 1622 // Reload instance type. |
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5184 ApiParameterOperand(2), kStackSpace, nullptr, | 5184 ApiParameterOperand(2), kStackSpace, nullptr, |
5185 Operand(ebp, 7 * kPointerSize), NULL); | 5185 Operand(ebp, 7 * kPointerSize), NULL); |
5186 } | 5186 } |
5187 | 5187 |
5188 | 5188 |
5189 #undef __ | 5189 #undef __ |
5190 | 5190 |
5191 } } // namespace v8::internal | 5191 } } // namespace v8::internal |
5192 | 5192 |
5193 #endif // V8_TARGET_ARCH_IA32 | 5193 #endif // V8_TARGET_ARCH_IA32 |
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