6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 #include "precompiled.hpp"
26 #include "interpreter/interpreter.hpp"
27 #include "interpreter/interpreterRuntime.hpp"
28 #include "memory/allocation.inline.hpp"
29 #include "memory/universe.hpp"
30 #include "oops/method.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/handles.inline.hpp"
33 #include "runtime/icache.hpp"
34 #include "runtime/interfaceSupport.inline.hpp"
35 #include "runtime/signature.hpp"
36
37
38 #define __ _masm->
39
40
41 // Implementation of SignatureHandlerGenerator
42 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
43 move(offset(), jni_offset() + 1);
44 }
45
46 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
47 move(offset(), jni_offset() + 1);
48 }
49
50 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
51 move(offset(), jni_offset() + 2);
52 move(offset() + 1, jni_offset() + 1);
53 }
54
55 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
56 box (offset(), jni_offset() + 1);
57 }
58
59 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
60 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
61 __ movl(Address(to(), to_offset * wordSize), temp());
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6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 #include "precompiled.hpp"
26 #include "interpreter/interp_masm.hpp"
27 #include "interpreter/interpreter.hpp"
28 #include "interpreter/interpreterRuntime.hpp"
29 #include "memory/allocation.inline.hpp"
30 #include "memory/universe.hpp"
31 #include "oops/method.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "runtime/handles.inline.hpp"
34 #include "runtime/icache.hpp"
35 #include "runtime/interfaceSupport.inline.hpp"
36 #include "runtime/signature.hpp"
37
38
39 #define __ _masm->
40
41
42 // Implementation of SignatureHandlerGenerator
43 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(const methodHandle& method, CodeBuffer* buffer) :
44 NativeSignatureIterator(method) {
45 _masm = new MacroAssembler(buffer);
46 #ifdef AMD64
47 #ifdef _WIN64
48 _num_args = (method->is_static() ? 1 : 0);
49 _stack_offset = (Argument::n_int_register_parameters_c+1)* wordSize; // don't overwrite return address
50 #else
51 _num_int_args = (method->is_static() ? 1 : 0);
52 _num_fp_args = 0;
53 _stack_offset = wordSize; // don't overwrite return address
54 #endif // _WIN64
55 #endif // AMD64
56 }
57
58 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
59 move(offset(), jni_offset() + 1);
60 }
61
62 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
63 move(offset(), jni_offset() + 1);
64 }
65
66 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
67 move(offset(), jni_offset() + 2);
68 move(offset() + 1, jni_offset() + 1);
69 }
70
71 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
72 box (offset(), jni_offset() + 1);
73 }
74
75 void InterpreterRuntime::SignatureHandlerGenerator::move(int from_offset, int to_offset) {
76 __ movl(temp(), Address(from(), Interpreter::local_offset_in_bytes(from_offset)));
77 __ movl(Address(to(), to_offset * wordSize), temp());
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