8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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 CPU_SPARC_VM_JNITYPES_SPARC_HPP
26 #define CPU_SPARC_VM_JNITYPES_SPARC_HPP
27
28 #include "memory/allocation.hpp"
29 #include "oops/oop.hpp"
30 #include "prims/jni.h"
31
32 // This file holds platform-dependent routines used to write primitive jni
33 // types to the array of arguments passed into JavaCalls::call
34
35 class JNITypes : AllStatic {
36 // These functions write a java primitive type (in native format)
37 // to a java stack slot array to be passed as an argument to JavaCalls:calls.
38 // I.e., they are functionally 'push' operations if they have a 'pos'
39 // formal parameter. Note that jlong's and jdouble's are written
40 // _in reverse_ of the order in which they appear in the interpreter
41 // stack. This is because call stubs (see stubGenerator_sparc.cpp)
42 // reverse the argument list constructed by JavaCallArguments (see
43 // javaCalls.hpp).
44
45 private:
46 // Helper routines.
47 static inline void put_int2 (jint *from, jint *to) { to[0] = from[0]; to[1] = from[1]; }
48 static inline void put_int2 (jint *from, jint *to, int& pos) { put_int2 (from, (jint *)((intptr_t *)to + pos)); pos += 2; }
49 static inline void put_int2r(jint *from, jint *to) { to[0] = from[1]; to[1] = from[0]; }
50 static inline void put_int2r(jint *from, jint *to, int& pos) { put_int2r(from, (jint *)((intptr_t *)to + pos)); pos += 2; }
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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 CPU_SPARC_VM_JNITYPES_SPARC_HPP
26 #define CPU_SPARC_VM_JNITYPES_SPARC_HPP
27
28 #include "jni.h"
29 #include "memory/allocation.hpp"
30 #include "oops/oop.hpp"
31
32 // This file holds platform-dependent routines used to write primitive jni
33 // types to the array of arguments passed into JavaCalls::call
34
35 class JNITypes : AllStatic {
36 // These functions write a java primitive type (in native format)
37 // to a java stack slot array to be passed as an argument to JavaCalls:calls.
38 // I.e., they are functionally 'push' operations if they have a 'pos'
39 // formal parameter. Note that jlong's and jdouble's are written
40 // _in reverse_ of the order in which they appear in the interpreter
41 // stack. This is because call stubs (see stubGenerator_sparc.cpp)
42 // reverse the argument list constructed by JavaCallArguments (see
43 // javaCalls.hpp).
44
45 private:
46 // Helper routines.
47 static inline void put_int2 (jint *from, jint *to) { to[0] = from[0]; to[1] = from[1]; }
48 static inline void put_int2 (jint *from, jint *to, int& pos) { put_int2 (from, (jint *)((intptr_t *)to + pos)); pos += 2; }
49 static inline void put_int2r(jint *from, jint *to) { to[0] = from[1]; to[1] = from[0]; }
50 static inline void put_int2r(jint *from, jint *to, int& pos) { put_int2r(from, (jint *)((intptr_t *)to + pos)); pos += 2; }
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