OLD | NEW |
1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
(...skipping 876 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
887 // Reserves a range of virtual memory, but does not commit any of it. | 887 // Reserves a range of virtual memory, but does not commit any of it. |
888 // Can only be called once, at heap initialization time. | 888 // Can only be called once, at heap initialization time. |
889 // Returns false on failure. | 889 // Returns false on failure. |
890 bool SetUp(const size_t requested_size); | 890 bool SetUp(const size_t requested_size); |
891 | 891 |
892 // Frees the range of virtual memory, and frees the data structures used to | 892 // Frees the range of virtual memory, and frees the data structures used to |
893 // manage it. | 893 // manage it. |
894 void TearDown(); | 894 void TearDown(); |
895 | 895 |
896 bool exists() { return this != NULL && code_range_ != NULL; } | 896 bool exists() { return this != NULL && code_range_ != NULL; } |
897 Address start() { | |
898 if (this == NULL || code_range_ == NULL) return NULL; | |
899 return static_cast<Address>(code_range_->address()); | |
900 } | |
901 bool contains(Address address) { | 897 bool contains(Address address) { |
902 if (this == NULL || code_range_ == NULL) return false; | 898 if (this == NULL || code_range_ == NULL) return false; |
903 Address start = static_cast<Address>(code_range_->address()); | 899 Address start = static_cast<Address>(code_range_->address()); |
904 return start <= address && address < start + code_range_->size(); | 900 return start <= address && address < start + code_range_->size(); |
905 } | 901 } |
906 | 902 |
907 // Allocates a chunk of memory from the large-object portion of | 903 // Allocates a chunk of memory from the large-object portion of |
908 // the code range. On platforms with no separate code range, should | 904 // the code range. On platforms with no separate code range, should |
909 // not be called. | 905 // not be called. |
910 MUST_USE_RESULT Address AllocateRawMemory(const size_t requested_size, | 906 MUST_USE_RESULT Address AllocateRawMemory(const size_t requested_size, |
(...skipping 1916 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2827 } | 2823 } |
2828 // Must be small, since an iteration is used for lookup. | 2824 // Must be small, since an iteration is used for lookup. |
2829 static const int kMaxComments = 64; | 2825 static const int kMaxComments = 64; |
2830 }; | 2826 }; |
2831 #endif | 2827 #endif |
2832 | 2828 |
2833 | 2829 |
2834 } } // namespace v8::internal | 2830 } } // namespace v8::internal |
2835 | 2831 |
2836 #endif // V8_SPACES_H_ | 2832 #endif // V8_SPACES_H_ |
OLD | NEW |