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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 "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "cpu-profiler.h" | 9 #include "cpu-profiler.h" |
10 #include "serialize.h" | 10 #include "serialize.h" |
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1203 | 1203 |
1204 Handle<String> subject(frame_entry<String*>(re_frame, kInputString)); | 1204 Handle<String> subject(frame_entry<String*>(re_frame, kInputString)); |
1205 | 1205 |
1206 // Current string. | 1206 // Current string. |
1207 bool is_ascii = subject->IsOneByteRepresentationUnderneath(); | 1207 bool is_ascii = subject->IsOneByteRepresentationUnderneath(); |
1208 | 1208 |
1209 ASSERT(re_code->instruction_start() <= *return_address); | 1209 ASSERT(re_code->instruction_start() <= *return_address); |
1210 ASSERT(*return_address <= | 1210 ASSERT(*return_address <= |
1211 re_code->instruction_start() + re_code->instruction_size()); | 1211 re_code->instruction_start() + re_code->instruction_size()); |
1212 | 1212 |
1213 Object* result = Execution::HandleStackGuardInterrupt(isolate); | 1213 Object* result = isolate->stack_guard()->HandleInterrupts(); |
1214 | 1214 |
1215 if (*code_handle != re_code) { // Return address no longer valid | 1215 if (*code_handle != re_code) { // Return address no longer valid |
1216 intptr_t delta = code_handle->address() - re_code->address(); | 1216 intptr_t delta = code_handle->address() - re_code->address(); |
1217 // Overwrite the return address on the stack. | 1217 // Overwrite the return address on the stack. |
1218 *return_address += delta; | 1218 *return_address += delta; |
1219 } | 1219 } |
1220 | 1220 |
1221 if (result->IsException()) { | 1221 if (result->IsException()) { |
1222 return EXCEPTION; | 1222 return EXCEPTION; |
1223 } | 1223 } |
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1434 } | 1434 } |
1435 } | 1435 } |
1436 | 1436 |
1437 #undef __ | 1437 #undef __ |
1438 | 1438 |
1439 #endif // V8_INTERPRETED_REGEXP | 1439 #endif // V8_INTERPRETED_REGEXP |
1440 | 1440 |
1441 }} // namespace v8::internal | 1441 }} // namespace v8::internal |
1442 | 1442 |
1443 #endif // V8_TARGET_ARCH_X64 | 1443 #endif // V8_TARGET_ARCH_X64 |
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