8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "asm/assembler.inline.hpp"
28 #include "interpreter/interpreter.hpp"
29 #include "interpreter/interpreterRuntime.hpp"
30 #include "memory/allocation.inline.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/method.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "runtime/handles.inline.hpp"
35 #include "runtime/icache.hpp"
36 #include "runtime/interfaceSupport.inline.hpp"
37 #include "runtime/signature.hpp"
38
39 #define __ _masm->
40
41 // Access macros for Java and C arguments.
42 // The first Java argument is at index -1.
43 #define locals_j_arg_at(index) (Interpreter::local_offset_in_bytes(index)), R18_locals
44 // The first C argument is at index 0.
45 #define sp_c_arg_at(index) ((index)*wordSize + _abi(carg_1)), R1_SP
46
47 // Implementation of SignatureHandlerGenerator
48
49 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
50 Argument jni_arg(jni_offset());
51 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0;
52
53 __ lwa(r, locals_j_arg_at(offset())); // sign extension of integer
54 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
55 __ std(r, sp_c_arg_at(jni_arg.number()));
56 }
57 }
58
59 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
60 Argument jni_arg(jni_offset());
61 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0;
62
63 __ ld(r, locals_j_arg_at(offset()+1)); // long resides in upper slot
64 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
65 __ std(r, sp_c_arg_at(jni_arg.number()));
66 }
67 }
|
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "asm/assembler.inline.hpp"
28 #include "interpreter/interp_masm.hpp"
29 #include "interpreter/interpreter.hpp"
30 #include "interpreter/interpreterRuntime.hpp"
31 #include "memory/allocation.inline.hpp"
32 #include "memory/universe.hpp"
33 #include "oops/method.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "runtime/handles.inline.hpp"
36 #include "runtime/icache.hpp"
37 #include "runtime/interfaceSupport.inline.hpp"
38 #include "runtime/signature.hpp"
39
40 #define __ _masm->
41
42 // Access macros for Java and C arguments.
43 // The first Java argument is at index -1.
44 #define locals_j_arg_at(index) (Interpreter::local_offset_in_bytes(index)), R18_locals
45 // The first C argument is at index 0.
46 #define sp_c_arg_at(index) ((index)*wordSize + _abi(carg_1)), R1_SP
47
48 // Implementation of SignatureHandlerGenerator
49
50 InterpreterRuntime::SignatureHandlerGenerator::SignatureHandlerGenerator(
51 const methodHandle& method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
52 _masm = new MacroAssembler(buffer);
53 _num_used_fp_arg_regs = 0;
54 }
55
56 void InterpreterRuntime::SignatureHandlerGenerator::pass_int() {
57 Argument jni_arg(jni_offset());
58 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0;
59
60 __ lwa(r, locals_j_arg_at(offset())); // sign extension of integer
61 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
62 __ std(r, sp_c_arg_at(jni_arg.number()));
63 }
64 }
65
66 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
67 Argument jni_arg(jni_offset());
68 Register r = jni_arg.is_register() ? jni_arg.as_register() : R0;
69
70 __ ld(r, locals_j_arg_at(offset()+1)); // long resides in upper slot
71 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
72 __ std(r, sp_c_arg_at(jni_arg.number()));
73 }
74 }
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