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Issue 9791048: - Wire the stack frame iterator to use stack maps for traversing objects if there are stack maps in… (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/
Patch Set: Created 8 years, 8 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/raw_object.h" 5 #include "vm/raw_object.h"
6 6
7 #include "vm/freelist.h" 7 #include "vm/freelist.h"
8 #include "vm/isolate.h" 8 #include "vm/isolate.h"
9 #include "vm/object.h" 9 #include "vm/object.h"
10 #include "vm/visitor.h" 10 #include "vm/visitor.h"
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221 UNREACHABLE(); 221 UNREACHABLE();
222 break; 222 break;
223 } 223 }
224 224
225 ASSERT(size != 0); 225 ASSERT(size != 0);
226 ASSERT(size == Size()); 226 ASSERT(size == Size());
227 return size; 227 return size;
228 } 228 }
229 229
230 230
231 bool RawObject::FindObject(FindObjectVisitor* visitor) {
232 ASSERT(visitor != NULL);
233 return visitor->FindObject(const_cast<RawObject*>(this));
234 }
235
236
231 intptr_t RawClass::VisitClassPointers(RawClass* raw_obj, 237 intptr_t RawClass::VisitClassPointers(RawClass* raw_obj,
232 ObjectPointerVisitor* visitor) { 238 ObjectPointerVisitor* visitor) {
233 visitor->VisitPointers(raw_obj->from(), raw_obj->to()); 239 visitor->VisitPointers(raw_obj->from(), raw_obj->to());
234 return Class::InstanceSize(); 240 return Class::InstanceSize();
235 } 241 }
236 242
237 243
238 intptr_t RawUnresolvedClass::VisitUnresolvedClassPointers( 244 intptr_t RawUnresolvedClass::VisitUnresolvedClassPointers(
239 RawUnresolvedClass* raw_obj, ObjectPointerVisitor* visitor) { 245 RawUnresolvedClass* raw_obj, ObjectPointerVisitor* visitor) {
240 visitor->VisitPointers(raw_obj->from(), raw_obj->to()); 246 visitor->VisitPointers(raw_obj->from(), raw_obj->to());
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362 368
363 369
364 intptr_t RawInstructions::VisitInstructionsPointers( 370 intptr_t RawInstructions::VisitInstructionsPointers(
365 RawInstructions* raw_obj, ObjectPointerVisitor* visitor) { 371 RawInstructions* raw_obj, ObjectPointerVisitor* visitor) {
366 RawInstructions* obj = raw_obj->ptr(); 372 RawInstructions* obj = raw_obj->ptr();
367 visitor->VisitPointer(reinterpret_cast<RawObject**>(&obj->code_)); 373 visitor->VisitPointer(reinterpret_cast<RawObject**>(&obj->code_));
368 return Instructions::InstanceSize(obj->size_); 374 return Instructions::InstanceSize(obj->size_);
369 } 375 }
370 376
371 377
378 bool RawInstructions::ContainsPC(RawObject* raw_obj, uword pc) {
379 RawClass* raw_class = raw_obj->ptr()->class_;
380 ObjectKind instance_kind = raw_class->ptr()->instance_kind_;
381 if (instance_kind == kInstructions) {
382 RawInstructions* raw_instr = reinterpret_cast<RawInstructions*>(raw_obj);
383 uword start_pc =
384 reinterpret_cast<uword>(raw_instr->ptr()) + Instructions::HeaderSize();
385 uword end_pc = start_pc + raw_instr->ptr()->size_;
386 ASSERT(end_pc > start_pc);
387 if ((pc >= start_pc) && (pc < end_pc)) {
388 return true;
389 }
390 }
391 return false;
392 }
393
394
372 intptr_t RawPcDescriptors::VisitPcDescriptorsPointers( 395 intptr_t RawPcDescriptors::VisitPcDescriptorsPointers(
373 RawPcDescriptors* raw_obj, ObjectPointerVisitor* visitor) { 396 RawPcDescriptors* raw_obj, ObjectPointerVisitor* visitor) {
374 RawPcDescriptors* obj = raw_obj->ptr(); 397 RawPcDescriptors* obj = raw_obj->ptr();
375 intptr_t length = Smi::Value(obj->length_); 398 intptr_t length = Smi::Value(obj->length_);
376 visitor->VisitPointer(reinterpret_cast<RawObject**>(&obj->length_)); 399 visitor->VisitPointer(reinterpret_cast<RawObject**>(&obj->length_));
377 return PcDescriptors::InstanceSize(length); 400 return PcDescriptors::InstanceSize(length);
378 } 401 }
379 402
380 403
381 intptr_t RawStackmap::VisitStackmapPointers(RawStackmap* raw_obj, 404 intptr_t RawStackmap::VisitStackmapPointers(RawStackmap* raw_obj,
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670 intptr_t RawJSRegExp::VisitJSRegExpPointers(RawJSRegExp* raw_obj, 693 intptr_t RawJSRegExp::VisitJSRegExpPointers(RawJSRegExp* raw_obj,
671 ObjectPointerVisitor* visitor) { 694 ObjectPointerVisitor* visitor) {
672 // Make sure that we got here with the tagged pointer as this. 695 // Make sure that we got here with the tagged pointer as this.
673 ASSERT(raw_obj->IsHeapObject()); 696 ASSERT(raw_obj->IsHeapObject());
674 intptr_t length = Smi::Value(raw_obj->ptr()->data_length_); 697 intptr_t length = Smi::Value(raw_obj->ptr()->data_length_);
675 visitor->VisitPointers(raw_obj->from(), raw_obj->to()); 698 visitor->VisitPointers(raw_obj->from(), raw_obj->to());
676 return JSRegExp::InstanceSize(length); 699 return JSRegExp::InstanceSize(length);
677 } 700 }
678 701
679 } // namespace dart 702 } // namespace dart
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