26 #include "asm/macroAssembler.inline.hpp"
27 #include "compiler/compiler_globals.hpp"
28 #include "gc/shared/barrierSet.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30 #include "interp_masm_aarch64.hpp"
31 #include "interpreter/interpreter.hpp"
32 #include "interpreter/interpreterRuntime.hpp"
33 #include "logging/log.hpp"
34 #include "oops/arrayOop.hpp"
35 #include "oops/markWord.hpp"
36 #include "oops/method.hpp"
37 #include "oops/methodData.hpp"
38 #include "oops/resolvedFieldEntry.hpp"
39 #include "oops/resolvedIndyEntry.hpp"
40 #include "oops/resolvedMethodEntry.hpp"
41 #include "prims/jvmtiExport.hpp"
42 #include "prims/jvmtiThreadState.hpp"
43 #include "runtime/basicLock.hpp"
44 #include "runtime/frame.inline.hpp"
45 #include "runtime/javaThread.hpp"
46 #include "runtime/safepointMechanism.hpp"
47 #include "runtime/sharedRuntime.hpp"
48 #include "utilities/powerOfTwo.hpp"
49
50 void InterpreterMacroAssembler::narrow(Register result) {
51
52 // Get method->_constMethod->_result_type
53 ldr(rscratch1, Address(rfp, frame::interpreter_frame_method_offset * wordSize));
54 ldr(rscratch1, Address(rscratch1, Method::const_offset()));
55 ldrb(rscratch1, Address(rscratch1, ConstMethod::result_type_offset()));
56
57 Label done, notBool, notByte, notChar;
58
59 // common case first
60 cmpw(rscratch1, T_INT);
61 br(Assembler::EQ, done);
62
63 // mask integer result to narrower return type.
64 cmpw(rscratch1, T_BOOLEAN);
65 br(Assembler::NE, notBool);
1384 increment_mdp_data_at(mdp,
1385 index,
1386 in_bytes(MultiBranchData::relative_count_offset()));
1387
1388 // The method data pointer needs to be updated.
1389 update_mdp_by_offset(mdp,
1390 index,
1391 in_bytes(MultiBranchData::
1392 relative_displacement_offset()));
1393
1394 bind(profile_continue);
1395 }
1396 }
1397
1398 void InterpreterMacroAssembler::_interp_verify_oop(Register reg, TosState state, const char* file, int line) {
1399 if (state == atos) {
1400 MacroAssembler::_verify_oop_checked(reg, "broken oop", file, line);
1401 }
1402 }
1403
1404 void InterpreterMacroAssembler::notify_method_entry() {
1405 // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
1406 // track stack depth. If it is possible to enter interp_only_mode we add
1407 // the code to check if the event should be sent.
1408 if (JvmtiExport::can_post_interpreter_events()) {
1409 Label L;
1410 ldrw(r3, Address(rthread, JavaThread::interp_only_mode_offset()));
1411 cbzw(r3, L);
1412 call_VM(noreg, CAST_FROM_FN_PTR(address,
1413 InterpreterRuntime::post_method_entry));
1414 bind(L);
1415 }
1416
1417 if (DTraceMethodProbes) {
1418 get_method(c_rarg1);
1419 call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry),
1420 rthread, c_rarg1);
1421 }
1422
1423 // RedefineClasses() tracing support for obsolete method entry
1424 if (log_is_enabled(Trace, redefine, class, obsolete)) {
1425 get_method(c_rarg1);
1426 call_VM_leaf(
1427 CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry),
1428 rthread, c_rarg1);
1429 }
1430
1431 }
1432
1433
1434 void InterpreterMacroAssembler::notify_method_exit(
1435 TosState state, NotifyMethodExitMode mode) {
1436 // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
1437 // track stack depth. If it is possible to enter interp_only_mode we add
1438 // the code to check if the event should be sent.
1439 if (mode == NotifyJVMTI && JvmtiExport::can_post_interpreter_events()) {
1440 Label L;
1441 // Note: frame::interpreter_frame_result has a dependency on how the
1442 // method result is saved across the call to post_method_exit. If this
1443 // is changed then the interpreter_frame_result implementation will
1444 // need to be updated too.
|
26 #include "asm/macroAssembler.inline.hpp"
27 #include "compiler/compiler_globals.hpp"
28 #include "gc/shared/barrierSet.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30 #include "interp_masm_aarch64.hpp"
31 #include "interpreter/interpreter.hpp"
32 #include "interpreter/interpreterRuntime.hpp"
33 #include "logging/log.hpp"
34 #include "oops/arrayOop.hpp"
35 #include "oops/markWord.hpp"
36 #include "oops/method.hpp"
37 #include "oops/methodData.hpp"
38 #include "oops/resolvedFieldEntry.hpp"
39 #include "oops/resolvedIndyEntry.hpp"
40 #include "oops/resolvedMethodEntry.hpp"
41 #include "prims/jvmtiExport.hpp"
42 #include "prims/jvmtiThreadState.hpp"
43 #include "runtime/basicLock.hpp"
44 #include "runtime/frame.inline.hpp"
45 #include "runtime/javaThread.hpp"
46 #include "runtime/runtimeUpcalls.hpp"
47 #include "runtime/safepointMechanism.hpp"
48 #include "runtime/sharedRuntime.hpp"
49 #include "utilities/powerOfTwo.hpp"
50
51 void InterpreterMacroAssembler::narrow(Register result) {
52
53 // Get method->_constMethod->_result_type
54 ldr(rscratch1, Address(rfp, frame::interpreter_frame_method_offset * wordSize));
55 ldr(rscratch1, Address(rscratch1, Method::const_offset()));
56 ldrb(rscratch1, Address(rscratch1, ConstMethod::result_type_offset()));
57
58 Label done, notBool, notByte, notChar;
59
60 // common case first
61 cmpw(rscratch1, T_INT);
62 br(Assembler::EQ, done);
63
64 // mask integer result to narrower return type.
65 cmpw(rscratch1, T_BOOLEAN);
66 br(Assembler::NE, notBool);
1385 increment_mdp_data_at(mdp,
1386 index,
1387 in_bytes(MultiBranchData::relative_count_offset()));
1388
1389 // The method data pointer needs to be updated.
1390 update_mdp_by_offset(mdp,
1391 index,
1392 in_bytes(MultiBranchData::
1393 relative_displacement_offset()));
1394
1395 bind(profile_continue);
1396 }
1397 }
1398
1399 void InterpreterMacroAssembler::_interp_verify_oop(Register reg, TosState state, const char* file, int line) {
1400 if (state == atos) {
1401 MacroAssembler::_verify_oop_checked(reg, "broken oop", file, line);
1402 }
1403 }
1404
1405 void InterpreterMacroAssembler::generate_runtime_upcalls_on_method_entry()
1406 {
1407 address upcall = RuntimeUpcalls::on_method_entry_upcall_address();
1408 if (RuntimeUpcalls::does_upcall_need_method_parameter(upcall)) {
1409 get_method(c_rarg1);
1410 call_VM(noreg,upcall, c_rarg1);
1411 } else {
1412 call_VM(noreg,upcall);
1413 }
1414 }
1415
1416 void InterpreterMacroAssembler::notify_method_entry() {
1417 // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
1418 // track stack depth. If it is possible to enter interp_only_mode we add
1419 // the code to check if the event should be sent.
1420 if (JvmtiExport::can_post_interpreter_events()) {
1421 Label L;
1422 ldrw(r3, Address(rthread, JavaThread::interp_only_mode_offset()));
1423 cbzw(r3, L);
1424 call_VM(noreg, CAST_FROM_FN_PTR(address,
1425 InterpreterRuntime::post_method_entry));
1426 bind(L);
1427 }
1428
1429 if (DTraceMethodProbes) {
1430 get_method(c_rarg1);
1431 call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry),
1432 rthread, c_rarg1);
1433 }
1434
1435 // RedefineClasses() tracing support for obsolete method entry
1436 if (log_is_enabled(Trace, redefine, class, obsolete) ||
1437 log_is_enabled(Trace, interpreter, bytecode)) {
1438 get_method(c_rarg1);
1439 call_VM_leaf(
1440 CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry),
1441 rthread, c_rarg1);
1442 }
1443
1444 }
1445
1446
1447 void InterpreterMacroAssembler::notify_method_exit(
1448 TosState state, NotifyMethodExitMode mode) {
1449 // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
1450 // track stack depth. If it is possible to enter interp_only_mode we add
1451 // the code to check if the event should be sent.
1452 if (mode == NotifyJVMTI && JvmtiExport::can_post_interpreter_events()) {
1453 Label L;
1454 // Note: frame::interpreter_frame_result has a dependency on how the
1455 // method result is saved across the call to post_method_exit. If this
1456 // is changed then the interpreter_frame_result implementation will
1457 // need to be updated too.
|