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comparison src/share/vm/interpreter/interpreter.cpp @ 7066:7d815d842ee0

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Merge.
author Christian Haeubl <haeubl@ssw.jku.at>
date Fri, 23 Nov 2012 11:50:27 +0100
parents 8c5333c80cfd e522a00b91aa
children 1baf7f1e3f23
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7065:cfacf5d5bade 7066:7d815d842ee0
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"
58 void InterpreterCodelet::verify() { 58 void InterpreterCodelet::verify() {
59 } 59 }
60 60
61 61
62 void InterpreterCodelet::print_on(outputStream* st) const { 62 void InterpreterCodelet::print_on(outputStream* st) const {
63 ttyLocker ttyl;
63 if (PrintInterpreter || PrintMachineCodeToFile) { 64 if (PrintInterpreter || PrintMachineCodeToFile) {
65
64 st->print_cr("----------------------------------------------------------------------"); 66 st->print_cr("----------------------------------------------------------------------");
65 } 67 }
66 68
67 if (description() != NULL) st->print("%s ", description()); 69 if (description() != NULL) st->print("%s ", description());
68 if (bytecode() >= 0 ) st->print("%d %s ", bytecode(), Bytecodes::name(bytecode())); 70 if (bytecode() >= 0 ) st->print("%d %s ", bytecode(), Bytecodes::name(bytecode()));
69 st->print_cr("[" INTPTR_FORMAT ", " INTPTR_FORMAT "] %d bytes", 71 st->print_cr("[" INTPTR_FORMAT ", " INTPTR_FORMAT "] %d bytes",
70 code_begin(), code_end(), code_size()); 72 code_begin(), code_end(), code_size());
71 73
72 if (PrintInterpreter || PrintMachineCodeToFile) { 74 if (PrintInterpreter || PrintMachineCodeToFile) {
73 Disassembler::decode(code_begin(), code_end(), st); 75 Disassembler::decode(code_begin(), code_end(), st, DEBUG_ONLY(_comments) NOT_DEBUG(CodeComments()));
74 } 76 }
75 } 77 }
76 78
77 79
78 //------------------------------------------------------------------------------------------------------------------------ 80 //------------------------------------------------------------------------------------------------------------------------
308 310
309 //------------------------------------------------------------------------------------------------------------------------ 311 //------------------------------------------------------------------------------------------------------------------------
310 // Deoptimization support 312 // Deoptimization support
311 313
312 // 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
313 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) {
314 assert(method->contains(bcp), "just checkin'"); 316 assert(method->contains(bcp), "just checkin'");
315 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); 317 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
316 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute"); 318 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute");
317 int bci = method->bci_from(bcp); 319 int bci = method->bci_from(bcp);
318 int length = -1; // initial value for debugging 320 int length = -1; // initial value for debugging
346 type = Bytecode_invoke(mh, bci).result_type(); 348 type = Bytecode_invoke(mh, bci).result_type();
347 // since the cache entry might not be initialized: 349 // since the cache entry might not be initialized:
348 // (NOT needed for the old calling convension) 350 // (NOT needed for the old calling convension)
349 if (!is_top_frame) { 351 if (!is_top_frame) {
350 int index = Bytes::get_native_u4(bcp+1); 352 int index = Bytes::get_native_u4(bcp+1);
351 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);
352 } 354 }
353 break; 355 break;
354 } 356 }
355 357
356 case Bytecodes::_ldc : 358 case Bytecodes::_ldc :
378 380
379 // 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
380 // the bytecode. 382 // the bytecode.
381 // 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
382 // Interpreter::deopt_entry(vtos, 0) like others 384 // Interpreter::deopt_entry(vtos, 0) like others
383 address AbstractInterpreter::deopt_reexecute_entry(methodOop method, address bcp) { 385 address AbstractInterpreter::deopt_reexecute_entry(Method* method, address bcp) {
384 assert(method->contains(bcp), "just checkin'"); 386 assert(method->contains(bcp), "just checkin'");
385 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); 387 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
386 #ifdef COMPILER1 388 #ifdef COMPILER1
387 if(code == Bytecodes::_athrow ) { 389 if(code == Bytecodes::_athrow ) {
388 return Interpreter::rethrow_exception_entry(); 390 return Interpreter::rethrow_exception_entry();
479 for (int pages = start_page; pages <= StackShadowPages ; pages++) { 481 for (int pages = start_page; pages <= StackShadowPages ; pages++) {
480 __ bang_stack_with_offset(pages*page_size); 482 __ bang_stack_with_offset(pages*page_size);
481 } 483 }
482 } 484 }
483 } 485 }
486
487 void AbstractInterpreterGenerator::initialize_method_handle_entries() {
488 // method handle entry kinds are generated later in MethodHandlesAdapterGenerator::generate:
489 for (int i = Interpreter::method_handle_invoke_FIRST; i <= Interpreter::method_handle_invoke_LAST; i++) {
490 Interpreter::MethodKind kind = (Interpreter::MethodKind) i;
491 Interpreter::_entry_table[kind] = Interpreter::_entry_table[Interpreter::abstract];
492 }
493 }