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Issue 9466012: Profiler experiments: Fix debugger in the presence of self-optimization headers (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 10 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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295 cgen.Generate(); 295 cgen.Generate();
296 if (cgen.HasStackOverflow()) { 296 if (cgen.HasStackOverflow()) {
297 ASSERT(!isolate->has_pending_exception()); 297 ASSERT(!isolate->has_pending_exception());
298 return false; 298 return false;
299 } 299 }
300 unsigned table_offset = cgen.EmitStackCheckTable(); 300 unsigned table_offset = cgen.EmitStackCheckTable();
301 301
302 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION); 302 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION);
303 Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&masm, flags, info); 303 Handle<Code> code = CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
304 code->set_optimizable(info->IsOptimizable()); 304 code->set_optimizable(info->IsOptimizable());
305 code->set_self_optimization_header(cgen.has_self_optimization_header_);
305 cgen.PopulateDeoptimizationData(code); 306 cgen.PopulateDeoptimizationData(code);
306 cgen.PopulateTypeFeedbackInfo(code); 307 cgen.PopulateTypeFeedbackInfo(code);
307 cgen.PopulateTypeFeedbackCells(code); 308 cgen.PopulateTypeFeedbackCells(code);
308 code->set_has_deoptimization_support(info->HasDeoptimizationSupport()); 309 code->set_has_deoptimization_support(info->HasDeoptimizationSupport());
309 code->set_handler_table(*cgen.handler_table()); 310 code->set_handler_table(*cgen.handler_table());
310 #ifdef ENABLE_DEBUGGER_SUPPORT 311 #ifdef ENABLE_DEBUGGER_SUPPORT
311 code->set_has_debug_break_slots( 312 code->set_has_debug_break_slots(
312 info->isolate()->debugger()->IsDebuggerActive()); 313 info->isolate()->debugger()->IsDebuggerActive());
313 code->set_compiled_optimizable(info->IsOptimizable()); 314 code->set_compiled_optimizable(info->IsOptimizable());
314 #endif // ENABLE_DEBUGGER_SUPPORT 315 #endif // ENABLE_DEBUGGER_SUPPORT
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358 data->SetAstId(i, Smi::FromInt(bailout_entries_[i].id)); 359 data->SetAstId(i, Smi::FromInt(bailout_entries_[i].id));
359 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state)); 360 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state));
360 } 361 }
361 code->set_deoptimization_data(*data); 362 code->set_deoptimization_data(*data);
362 } 363 }
363 364
364 365
365 void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) { 366 void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) {
366 Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo(); 367 Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo();
367 info->set_ic_total_count(ic_total_count_); 368 info->set_ic_total_count(ic_total_count_);
369 ASSERT(!isolate()->heap()->InNewSpace(*info));
368 code->set_type_feedback_info(*info); 370 code->set_type_feedback_info(*info);
369 } 371 }
370 372
371 373
372 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) { 374 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) {
373 if (type_feedback_cells_.is_empty()) return; 375 if (type_feedback_cells_.is_empty()) return;
374 int length = type_feedback_cells_.length(); 376 int length = type_feedback_cells_.length();
375 int array_size = TypeFeedbackCells::LengthOfFixedArray(length); 377 int array_size = TypeFeedbackCells::LengthOfFixedArray(length);
376 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast( 378 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast(
377 isolate()->factory()->NewFixedArray(array_size, TENURED)); 379 isolate()->factory()->NewFixedArray(array_size, TENURED));
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1390 } 1392 }
1391 1393
1392 return false; 1394 return false;
1393 } 1395 }
1394 1396
1395 1397
1396 #undef __ 1398 #undef __
1397 1399
1398 1400
1399 } } // namespace v8::internal 1401 } } // namespace v8::internal
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