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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 "src/frames.h" | 5 #include "src/frames.h" |
6 | 6 |
7 #include <sstream> | 7 #include <sstream> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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1424 // Check if the inner pointer points into a large object chunk. | 1424 // Check if the inner pointer points into a large object chunk. |
1425 LargePage* large_page = heap->lo_space()->FindPage(inner_pointer); | 1425 LargePage* large_page = heap->lo_space()->FindPage(inner_pointer); |
1426 if (large_page != NULL) { | 1426 if (large_page != NULL) { |
1427 return GcSafeCastToCode(large_page->GetObject(), inner_pointer); | 1427 return GcSafeCastToCode(large_page->GetObject(), inner_pointer); |
1428 } | 1428 } |
1429 | 1429 |
1430 // Iterate through the page until we reach the end or find an object starting | 1430 // Iterate through the page until we reach the end or find an object starting |
1431 // after the inner pointer. | 1431 // after the inner pointer. |
1432 Page* page = Page::FromAddress(inner_pointer); | 1432 Page* page = Page::FromAddress(inner_pointer); |
1433 | 1433 |
1434 page->skip_list()->Lock(); | |
1435 Address addr = page->skip_list()->StartFor(inner_pointer); | 1434 Address addr = page->skip_list()->StartFor(inner_pointer); |
1436 page->skip_list()->Unlock(); | |
1437 | 1435 |
1438 Address top = heap->code_space()->top(); | 1436 Address top = heap->code_space()->top(); |
1439 Address limit = heap->code_space()->limit(); | 1437 Address limit = heap->code_space()->limit(); |
1440 | 1438 |
1441 while (true) { | 1439 while (true) { |
1442 if (addr == top && addr != limit) { | 1440 if (addr == top && addr != limit) { |
1443 addr = limit; | 1441 addr = limit; |
1444 continue; | 1442 continue; |
1445 } | 1443 } |
1446 | 1444 |
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1538 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { | 1536 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { |
1539 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); | 1537 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); |
1540 list.Add(frame, zone); | 1538 list.Add(frame, zone); |
1541 } | 1539 } |
1542 return list.ToVector(); | 1540 return list.ToVector(); |
1543 } | 1541 } |
1544 | 1542 |
1545 | 1543 |
1546 } // namespace internal | 1544 } // namespace internal |
1547 } // namespace v8 | 1545 } // namespace v8 |
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