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comparison src/share/vm/interpreter/interpreterRuntime.cpp @ 10105:aeaca88565e6

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8010862: The Method counter fields used for profiling can be allocated lazily. Summary: Allocate the method's profiling related metadata until they are needed. Reviewed-by: coleenp, roland
author jiangli
date Tue, 09 Apr 2013 17:17:41 -0400
parents 0c8717a92b2d
children 8df6ddda8090
comparison
equal deleted inserted replaced
9055:dcdeb150988c 10105:aeaca88565e6
1 /* 1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
452 // enough stack space available to reprotect the stack. 452 // enough stack space available to reprotect the stack.
453 #ifndef CC_INTERP 453 #ifndef CC_INTERP
454 continuation = Interpreter::remove_activation_entry(); 454 continuation = Interpreter::remove_activation_entry();
455 #endif 455 #endif
456 // Count this for compilation purposes 456 // Count this for compilation purposes
457 h_method->interpreter_throwout_increment(); 457 h_method->interpreter_throwout_increment(THREAD);
458 } else { 458 } else {
459 // handler in this method => change bci/bcp to handler bci/bcp and continue there 459 // handler in this method => change bci/bcp to handler bci/bcp and continue there
460 handler_pc = h_method->code_base() + handler_bci; 460 handler_pc = h_method->code_base() + handler_bci;
461 #ifndef CC_INTERP 461 #ifndef CC_INTERP
462 set_bcp_and_mdp(handler_pc, thread); 462 set_bcp_and_mdp(handler_pc, thread);
904 // need to take the lock before making any ProfileData structures. 904 // need to take the lock before making any ProfileData structures.
905 ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp())); 905 ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp()));
906 RetData* rdata = data->as_RetData(); 906 RetData* rdata = data->as_RetData();
907 address new_mdp = rdata->fixup_ret(return_bci, h_mdo); 907 address new_mdp = rdata->fixup_ret(return_bci, h_mdo);
908 fr.interpreter_frame_set_mdp(new_mdp); 908 fr.interpreter_frame_set_mdp(new_mdp);
909 IRT_END
910
911 IRT_ENTRY(MethodCounters*, InterpreterRuntime::build_method_counters(JavaThread* thread, Method* m))
912 MethodCounters* mcs = Method::build_method_counters(m, thread);
913 if (HAS_PENDING_EXCEPTION) {
914 assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here");
915 CLEAR_PENDING_EXCEPTION;
916 }
917 return mcs;
909 IRT_END 918 IRT_END
910 919
911 920
912 IRT_ENTRY(void, InterpreterRuntime::at_safepoint(JavaThread* thread)) 921 IRT_ENTRY(void, InterpreterRuntime::at_safepoint(JavaThread* thread))
913 // We used to need an explict preserve_arguments here for invoke bytecodes. However, 922 // We used to need an explict preserve_arguments here for invoke bytecodes. However,