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Issue 12314152: Miscellaneous profile-driven Isolate plumbing. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 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 // 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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150 DeoptimizationInputData* deopt_data = 150 DeoptimizationInputData* deopt_data =
151 DeoptimizationInputData::cast(code->deoptimization_data()); 151 DeoptimizationInputData::cast(code->deoptimization_data());
152 #ifdef DEBUG 152 #ifdef DEBUG
153 Address prev_call_address = NULL; 153 Address prev_call_address = NULL;
154 #endif 154 #endif
155 for (int i = 0; i < deopt_data->DeoptCount(); i++) { 155 for (int i = 0; i < deopt_data->DeoptCount(); i++) {
156 if (deopt_data->Pc(i)->value() == -1) continue; 156 if (deopt_data->Pc(i)->value() == -1) continue;
157 // Patch lazy deoptimization entry. 157 // Patch lazy deoptimization entry.
158 Address call_address = code_start_address + deopt_data->Pc(i)->value(); 158 Address call_address = code_start_address + deopt_data->Pc(i)->value();
159 CodePatcher patcher(call_address, patch_size()); 159 CodePatcher patcher(call_address, patch_size());
160 Address deopt_entry = GetDeoptimizationEntry(i, LAZY); 160 Address deopt_entry = GetDeoptimizationEntry(isolate, i, LAZY);
161 patcher.masm()->call(deopt_entry, RelocInfo::NONE32); 161 patcher.masm()->call(deopt_entry, RelocInfo::NONE32);
162 // We use RUNTIME_ENTRY for deoptimization bailouts. 162 // We use RUNTIME_ENTRY for deoptimization bailouts.
163 RelocInfo rinfo(call_address + 1, // 1 after the call opcode. 163 RelocInfo rinfo(call_address + 1, // 1 after the call opcode.
164 RelocInfo::RUNTIME_ENTRY, 164 RelocInfo::RUNTIME_ENTRY,
165 reinterpret_cast<intptr_t>(deopt_entry), 165 reinterpret_cast<intptr_t>(deopt_entry),
166 NULL); 166 NULL);
167 reloc_info_writer.Write(&rinfo); 167 reloc_info_writer.Write(&rinfo);
168 ASSERT_GE(reloc_info_writer.pos(), 168 ASSERT_GE(reloc_info_writer.pos(),
169 reloc_info->address() + ByteArray::kHeaderSize); 169 reloc_info->address() + ByteArray::kHeaderSize);
170 ASSERT(prev_call_address == NULL || 170 ASSERT(prev_call_address == NULL ||
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1390 } 1390 }
1391 __ bind(&done); 1391 __ bind(&done);
1392 } 1392 }
1393 1393
1394 #undef __ 1394 #undef __
1395 1395
1396 1396
1397 } } // namespace v8::internal 1397 } } // namespace v8::internal
1398 1398
1399 #endif // V8_TARGET_ARCH_IA32 1399 #endif // V8_TARGET_ARCH_IA32
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