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Issue 264233005: Clean up stack guard interrupts. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: addressed comments Created 6 years, 7 months ago
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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1215 if (*code_handle != re_code) { // Return address no longer valid 1215 if (*code_handle != re_code) { // Return address no longer valid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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