15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_TYPEARRAYOOP_HPP
26 #define SHARE_VM_OOPS_TYPEARRAYOOP_HPP
27
28 #include "oops/arrayOop.hpp"
29 #include "oops/typeArrayKlass.hpp"
30
31 // A typeArrayOop is an array containing basic types (non oop elements).
32 // It is used for arrays of {characters, singles, doubles, bytes, shorts, integers, longs}
33 #include <limits.h>
34
35 class typeArrayOopDesc : public arrayOopDesc {
36 private:
37 template <class T>
38 static ptrdiff_t element_offset(BasicType bt, int index) {
39 return arrayOopDesc::base_offset_in_bytes(bt) + sizeof(T) * index;
40 }
41
42 protected:
43 jchar* char_base() const;
44 jboolean* bool_base() const;
45 jbyte* byte_base() const;
46 jint* int_base() const;
47 jlong* long_base() const;
48 jshort* short_base() const;
49 jfloat* float_base() const;
50 jdouble* double_base() const;
51
52 friend class TypeArrayKlass;
53
54 public:
55 jbyte* byte_at_addr(int which) const;
56 jboolean* bool_at_addr(int which) const;
57 jchar* char_at_addr(int which) const;
58 jint* int_at_addr(int which) const;
59 jshort* short_at_addr(int which) const;
60 jushort* ushort_at_addr(int which) const;
61 jlong* long_at_addr(int which) const;
62 jfloat* float_at_addr(int which) const;
63 jdouble* double_at_addr(int which) const;
64
65 jbyte byte_at(int which) const;
66 void byte_at_put(int which, jbyte contents);
67
68 jboolean bool_at(int which) const;
69 void bool_at_put(int which, jboolean contents);
70
71 jchar char_at(int which) const;
72 void char_at_put(int which, jchar contents);
73
74 jint int_at(int which) const;
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_TYPEARRAYOOP_HPP
26 #define SHARE_VM_OOPS_TYPEARRAYOOP_HPP
27
28 #include "oops/arrayOop.hpp"
29 #include "oops/typeArrayKlass.hpp"
30
31 // A typeArrayOop is an array containing basic types (non oop elements).
32 // It is used for arrays of {characters, singles, doubles, bytes, shorts, integers, longs}
33 #include <limits.h>
34
35 namespace TypeToBT {
36 template<typename T> BasicType to_basic_type();
37 template<> inline BasicType to_basic_type<jboolean>() { return T_BOOLEAN; }
38 template<> inline BasicType to_basic_type<jbyte>() { return T_BYTE; }
39 template<> inline BasicType to_basic_type<jchar>() { return T_CHAR; }
40 template<> inline BasicType to_basic_type<jshort>() { return T_SHORT; }
41 template<> inline BasicType to_basic_type<jint>() { return T_INT; }
42 template<> inline BasicType to_basic_type<jlong>() { return T_LONG; }
43 template<> inline BasicType to_basic_type<jfloat>() { return T_FLOAT; }
44 template<> inline BasicType to_basic_type<jdouble>() { return T_DOUBLE; }
45 };
46
47 class typeArrayOopDesc : public arrayOopDesc {
48 private:
49 template <typename T>
50 static BasicType bt() { return TypeToBT::to_basic_type<T>(); }
51
52 protected:
53 jchar* char_base() const;
54 jboolean* bool_base() const;
55 jbyte* byte_base() const;
56 jint* int_base() const;
57 jlong* long_base() const;
58 jshort* short_base() const;
59 jfloat* float_base() const;
60 jdouble* double_base() const;
61
62 friend class TypeArrayKlass;
63
64 public:
65 template <typename T>
66 static ptrdiff_t element_offset(int index) {
67 return arrayOopDesc::base_offset_in_bytes(bt<T>()) + sizeof(T) * index;
68 }
69
70 jbyte* byte_at_addr(int which) const;
71 jboolean* bool_at_addr(int which) const;
72 jchar* char_at_addr(int which) const;
73 jint* int_at_addr(int which) const;
74 jshort* short_at_addr(int which) const;
75 jushort* ushort_at_addr(int which) const;
76 jlong* long_at_addr(int which) const;
77 jfloat* float_at_addr(int which) const;
78 jdouble* double_at_addr(int which) const;
79
80 jbyte byte_at(int which) const;
81 void byte_at_put(int which, jbyte contents);
82
83 jboolean bool_at(int which) const;
84 void bool_at_put(int which, jboolean contents);
85
86 jchar char_at(int which) const;
87 void char_at_put(int which, jchar contents);
88
89 jint int_at(int which) const;
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