42 memset(aligned_addr, 0, size);
43
44 // Since free expects pointers returned by malloc, aligned_addr cannot be
45 // freed since it is most likely not the same as addr after alignment.
46 return (uintptr_t)aligned_addr;
47 }
48
49 inline size_t ZUtils::bytes_to_words(size_t size_in_bytes) {
50 assert(is_aligned(size_in_bytes, BytesPerWord), "Size not word aligned");
51 return size_in_bytes >> LogBytesPerWord;
52 }
53
54 inline size_t ZUtils::words_to_bytes(size_t size_in_words) {
55 return size_in_words << LogBytesPerWord;
56 }
57
58 inline size_t ZUtils::object_size(zaddress addr) {
59 return words_to_bytes(to_oop(addr)->size());
60 }
61
62 inline void ZUtils::object_copy_disjoint(zaddress from, zaddress to, size_t size) {
63 Copy::aligned_disjoint_words((HeapWord*)untype(from), (HeapWord*)untype(to), bytes_to_words(size));
64 }
65
66 inline void ZUtils::object_copy_conjoint(zaddress from, zaddress to, size_t size) {
67 if (from != to) {
68 Copy::aligned_conjoint_words((HeapWord*)untype(from), (HeapWord*)untype(to), bytes_to_words(size));
69 }
70 }
71
72 template <typename T>
73 inline void ZUtils::copy_disjoint(T* dest, const T* src, size_t count) {
74 memcpy(dest, src, sizeof(T) * count);
75 }
76
77 template <typename T>
78 inline void ZUtils::copy_disjoint(T* dest, const T* src, int count) {
79 assert(count >= 0, "must be positive %d", count);
80
81 copy_disjoint(dest, src, static_cast<size_t>(count));
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42 memset(aligned_addr, 0, size);
43
44 // Since free expects pointers returned by malloc, aligned_addr cannot be
45 // freed since it is most likely not the same as addr after alignment.
46 return (uintptr_t)aligned_addr;
47 }
48
49 inline size_t ZUtils::bytes_to_words(size_t size_in_bytes) {
50 assert(is_aligned(size_in_bytes, BytesPerWord), "Size not word aligned");
51 return size_in_bytes >> LogBytesPerWord;
52 }
53
54 inline size_t ZUtils::words_to_bytes(size_t size_in_words) {
55 return size_in_words << LogBytesPerWord;
56 }
57
58 inline size_t ZUtils::object_size(zaddress addr) {
59 return words_to_bytes(to_oop(addr)->size());
60 }
61
62 inline size_t ZUtils::copy_size(zaddress addr, size_t old_size) {
63 oop obj = to_oop(addr);
64 return words_to_bytes(obj->copy_size(bytes_to_words(old_size), obj->mark()));
65 }
66
67 inline void ZUtils::initialize_hash_if_necessary(zaddress to_addr, zaddress from_addr) {
68 to_oop(to_addr)->initialize_hash_if_necessary(to_oop(from_addr));
69 }
70
71 inline void ZUtils::object_copy_disjoint(zaddress from, zaddress to, size_t size) {
72 Copy::aligned_disjoint_words((HeapWord*)untype(from), (HeapWord*)untype(to), bytes_to_words(size));
73 }
74
75 inline void ZUtils::object_copy_conjoint(zaddress from, zaddress to, size_t size) {
76 if (from != to) {
77 Copy::aligned_conjoint_words((HeapWord*)untype(from), (HeapWord*)untype(to), bytes_to_words(size));
78 }
79 }
80
81 template <typename T>
82 inline void ZUtils::copy_disjoint(T* dest, const T* src, size_t count) {
83 memcpy(dest, src, sizeof(T) * count);
84 }
85
86 template <typename T>
87 inline void ZUtils::copy_disjoint(T* dest, const T* src, int count) {
88 assert(count >= 0, "must be positive %d", count);
89
90 copy_disjoint(dest, src, static_cast<size_t>(count));
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