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comparison src/share/vm/interpreter/interpreter.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 1d7922586cf6
children b31471cdc53e
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, 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.
30 #include "interpreter/interpreterRuntime.hpp" 30 #include "interpreter/interpreterRuntime.hpp"
31 #include "interpreter/templateTable.hpp" 31 #include "interpreter/templateTable.hpp"
32 #include "memory/allocation.inline.hpp" 32 #include "memory/allocation.inline.hpp"
33 #include "memory/resourceArea.hpp" 33 #include "memory/resourceArea.hpp"
34 #include "oops/arrayOop.hpp" 34 #include "oops/arrayOop.hpp"
35 #include "oops/methodDataOop.hpp" 35 #include "oops/methodData.hpp"
36 #include "oops/methodOop.hpp" 36 #include "oops/method.hpp"
37 #include "oops/oop.inline.hpp" 37 #include "oops/oop.inline.hpp"
38 #include "prims/forte.hpp" 38 #include "prims/forte.hpp"
39 #include "prims/jvmtiExport.hpp" 39 #include "prims/jvmtiExport.hpp"
40 #include "prims/methodHandles.hpp" 40 #include "prims/methodHandles.hpp"
41 #include "runtime/handles.inline.hpp" 41 #include "runtime/handles.inline.hpp"
310 310
311 //------------------------------------------------------------------------------------------------------------------------ 311 //------------------------------------------------------------------------------------------------------------------------
312 // Deoptimization support 312 // Deoptimization support
313 313
314 // If deoptimization happens, this function returns the point of next bytecode to continue execution 314 // If deoptimization happens, this function returns the point of next bytecode to continue execution
315 address AbstractInterpreter::deopt_continue_after_entry(methodOop method, address bcp, int callee_parameters, bool is_top_frame) { 315 address AbstractInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) {
316 assert(method->contains(bcp), "just checkin'"); 316 assert(method->contains(bcp), "just checkin'");
317 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); 317 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
318 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute"); 318 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute");
319 int bci = method->bci_from(bcp); 319 int bci = method->bci_from(bcp);
320 int length = -1; // initial value for debugging 320 int length = -1; // initial value for debugging
348 type = Bytecode_invoke(mh, bci).result_type(); 348 type = Bytecode_invoke(mh, bci).result_type();
349 // since the cache entry might not be initialized: 349 // since the cache entry might not be initialized:
350 // (NOT needed for the old calling convension) 350 // (NOT needed for the old calling convension)
351 if (!is_top_frame) { 351 if (!is_top_frame) {
352 int index = Bytes::get_native_u4(bcp+1); 352 int index = Bytes::get_native_u4(bcp+1);
353 method->constants()->cache()->secondary_entry_at(index)->set_parameter_size(callee_parameters); 353 method->constants()->invokedynamic_cp_cache_entry_at(index)->set_parameter_size(callee_parameters);
354 } 354 }
355 break; 355 break;
356 } 356 }
357 357
358 case Bytecodes::_ldc : 358 case Bytecodes::_ldc :
380 380
381 // If deoptimization happens, this function returns the point where the interpreter reexecutes 381 // If deoptimization happens, this function returns the point where the interpreter reexecutes
382 // the bytecode. 382 // the bytecode.
383 // Note: Bytecodes::_athrow is a special case in that it does not return 383 // Note: Bytecodes::_athrow is a special case in that it does not return
384 // Interpreter::deopt_entry(vtos, 0) like others 384 // Interpreter::deopt_entry(vtos, 0) like others
385 address AbstractInterpreter::deopt_reexecute_entry(methodOop method, address bcp) { 385 address AbstractInterpreter::deopt_reexecute_entry(Method* method, address bcp) {
386 assert(method->contains(bcp), "just checkin'"); 386 assert(method->contains(bcp), "just checkin'");
387 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); 387 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
388 #ifdef COMPILER1 388 #ifdef COMPILER1
389 if(code == Bytecodes::_athrow ) { 389 if(code == Bytecodes::_athrow ) {
390 return Interpreter::rethrow_exception_entry(); 390 return Interpreter::rethrow_exception_entry();