| OLD | NEW |
| 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/ast/ast.h" | 9 #include "src/ast/ast.h" |
| 10 #include "src/ast/scopeinfo.h" | 10 #include "src/ast/scopeinfo.h" |
| (...skipping 1491 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1502 if (next_addr > inner_pointer) return GcSafeCastToCode(obj, inner_pointer); | 1502 if (next_addr > inner_pointer) return GcSafeCastToCode(obj, inner_pointer); |
| 1503 addr = next_addr; | 1503 addr = next_addr; |
| 1504 } | 1504 } |
| 1505 } | 1505 } |
| 1506 | 1506 |
| 1507 | 1507 |
| 1508 InnerPointerToCodeCache::InnerPointerToCodeCacheEntry* | 1508 InnerPointerToCodeCache::InnerPointerToCodeCacheEntry* |
| 1509 InnerPointerToCodeCache::GetCacheEntry(Address inner_pointer) { | 1509 InnerPointerToCodeCache::GetCacheEntry(Address inner_pointer) { |
| 1510 isolate_->counters()->pc_to_code()->Increment(); | 1510 isolate_->counters()->pc_to_code()->Increment(); |
| 1511 DCHECK(base::bits::IsPowerOfTwo32(kInnerPointerToCodeCacheSize)); | 1511 DCHECK(base::bits::IsPowerOfTwo32(kInnerPointerToCodeCacheSize)); |
| 1512 uint32_t hash = ComputeIntegerHash( | 1512 uint32_t hash = ComputeIntegerHash(ObjectAddressForHashing(inner_pointer), |
| 1513 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(inner_pointer)), | 1513 v8::internal::kZeroHashSeed); |
| 1514 v8::internal::kZeroHashSeed); | |
| 1515 uint32_t index = hash & (kInnerPointerToCodeCacheSize - 1); | 1514 uint32_t index = hash & (kInnerPointerToCodeCacheSize - 1); |
| 1516 InnerPointerToCodeCacheEntry* entry = cache(index); | 1515 InnerPointerToCodeCacheEntry* entry = cache(index); |
| 1517 if (entry->inner_pointer == inner_pointer) { | 1516 if (entry->inner_pointer == inner_pointer) { |
| 1518 isolate_->counters()->pc_to_code_cached()->Increment(); | 1517 isolate_->counters()->pc_to_code_cached()->Increment(); |
| 1519 DCHECK(entry->code == GcSafeFindCodeForInnerPointer(inner_pointer)); | 1518 DCHECK(entry->code == GcSafeFindCodeForInnerPointer(inner_pointer)); |
| 1520 } else { | 1519 } else { |
| 1521 // Because this code may be interrupted by a profiling signal that | 1520 // Because this code may be interrupted by a profiling signal that |
| 1522 // also queries the cache, we cannot update inner_pointer before the code | 1521 // also queries the cache, we cannot update inner_pointer before the code |
| 1523 // has been set. Otherwise, we risk trying to use a cache entry before | 1522 // has been set. Otherwise, we risk trying to use a cache entry before |
| 1524 // the code has been computed. | 1523 // the code has been computed. |
| (...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1590 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { | 1589 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { |
| 1591 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); | 1590 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); |
| 1592 list.Add(frame, zone); | 1591 list.Add(frame, zone); |
| 1593 } | 1592 } |
| 1594 return list.ToVector(); | 1593 return list.ToVector(); |
| 1595 } | 1594 } |
| 1596 | 1595 |
| 1597 | 1596 |
| 1598 } // namespace internal | 1597 } // namespace internal |
| 1599 } // namespace v8 | 1598 } // namespace v8 |
| OLD | NEW |