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Issue 297303004: Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 7 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 // 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 "v8.h" 5 #include "v8.h"
6 6
7 #include "accessors.h" 7 #include "accessors.h"
8 #include "api.h" 8 #include "api.h"
9 #include "bootstrapper.h" 9 #include "bootstrapper.h"
10 #include "codegen.h" 10 #include "codegen.h"
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854 854
855 855
856 void Heap::MoveElements(FixedArray* array, 856 void Heap::MoveElements(FixedArray* array,
857 int dst_index, 857 int dst_index,
858 int src_index, 858 int src_index,
859 int len) { 859 int len) {
860 if (len == 0) return; 860 if (len == 0) return;
861 861
862 ASSERT(array->map() != fixed_cow_array_map()); 862 ASSERT(array->map() != fixed_cow_array_map());
863 Object** dst_objects = array->data_start() + dst_index; 863 Object** dst_objects = array->data_start() + dst_index;
864 MemMove(dst_objects, array->data_start() + src_index, len * kPointerSize); 864 OS::MemMove(dst_objects,
865 array->data_start() + src_index,
866 len * kPointerSize);
865 if (!InNewSpace(array)) { 867 if (!InNewSpace(array)) {
866 for (int i = 0; i < len; i++) { 868 for (int i = 0; i < len; i++) {
867 // TODO(hpayer): check store buffer for entries 869 // TODO(hpayer): check store buffer for entries
868 if (InNewSpace(dst_objects[i])) { 870 if (InNewSpace(dst_objects[i])) {
869 RecordWrite(array->address(), array->OffsetOfElementAt(dst_index + i)); 871 RecordWrite(array->address(), array->OffsetOfElementAt(dst_index + i));
870 } 872 }
871 } 873 }
872 } 874 }
873 incremental_marking()->RecordWrites(array); 875 incremental_marking()->RecordWrites(array);
874 } 876 }
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3779 } 3781 }
3780 return result; 3782 return result;
3781 } 3783 }
3782 3784
3783 3785
3784 static inline void WriteOneByteData(Vector<const char> vector, 3786 static inline void WriteOneByteData(Vector<const char> vector,
3785 uint8_t* chars, 3787 uint8_t* chars,
3786 int len) { 3788 int len) {
3787 // Only works for ascii. 3789 // Only works for ascii.
3788 ASSERT(vector.length() == len); 3790 ASSERT(vector.length() == len);
3789 MemCopy(chars, vector.start(), len); 3791 OS::MemCopy(chars, vector.start(), len);
3790 } 3792 }
3791 3793
3792 static inline void WriteTwoByteData(Vector<const char> vector, 3794 static inline void WriteTwoByteData(Vector<const char> vector,
3793 uint16_t* chars, 3795 uint16_t* chars,
3794 int len) { 3796 int len) {
3795 const uint8_t* stream = reinterpret_cast<const uint8_t*>(vector.start()); 3797 const uint8_t* stream = reinterpret_cast<const uint8_t*>(vector.start());
3796 unsigned stream_length = vector.length(); 3798 unsigned stream_length = vector.length();
3797 while (stream_length != 0) { 3799 while (stream_length != 0) {
3798 unsigned consumed = 0; 3800 unsigned consumed = 0;
3799 uint32_t c = unibrow::Utf8::ValueOf(stream, stream_length, &consumed); 3801 uint32_t c = unibrow::Utf8::ValueOf(stream, stream_length, &consumed);
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6415 static_cast<int>(object_counts_[index])); \ 6417 static_cast<int>(object_counts_[index])); \
6416 counters->count_of_CODE_AGE_##name()->Decrement( \ 6418 counters->count_of_CODE_AGE_##name()->Decrement( \
6417 static_cast<int>(object_counts_last_time_[index])); \ 6419 static_cast<int>(object_counts_last_time_[index])); \
6418 counters->size_of_CODE_AGE_##name()->Increment( \ 6420 counters->size_of_CODE_AGE_##name()->Increment( \
6419 static_cast<int>(object_sizes_[index])); \ 6421 static_cast<int>(object_sizes_[index])); \
6420 counters->size_of_CODE_AGE_##name()->Decrement( \ 6422 counters->size_of_CODE_AGE_##name()->Decrement( \
6421 static_cast<int>(object_sizes_last_time_[index])); 6423 static_cast<int>(object_sizes_last_time_[index]));
6422 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) 6424 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
6423 #undef ADJUST_LAST_TIME_OBJECT_COUNT 6425 #undef ADJUST_LAST_TIME_OBJECT_COUNT
6424 6426
6425 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); 6427 OS::MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
6426 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); 6428 OS::MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
6427 ClearObjectStats(); 6429 ClearObjectStats();
6428 } 6430 }
6429 6431
6430 } } // namespace v8::internal 6432 } } // namespace v8::internal
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