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annotate src/share/vm/graal/graalVMToInterpreter.cpp @ 6962:e9f69041ac38

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Sun, 18 Nov 2012 21:30:35 +0100
parents 8d0a6bceb112
children
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #include "precompiled.hpp"
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25 #include "graal/graalVMToInterpreter.hpp"
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26 #include "graal/graalInterpreterToVM.hpp"
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27 #include "classfile/systemDictionary.hpp"
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28 #include "classfile/vmSymbols.hpp"
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29 #include "graal/graalCompiler.hpp"
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30
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31 #ifdef HIGH_LEVEL_INTERPRETER
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32
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33 // those are *global* handles
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34 jobject VMToInterpreter::_interpreterPermObject = NULL;
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35 jobject VMToInterpreter::_interpreterPermKlass = NULL;
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36
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37 class JavaArgumentBoxer : public SignatureIterator {
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38 protected:
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39 JavaCallArguments* _args;
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40 Thread* _thread;
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41 objArrayHandle _obj_array;
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42 int _index;
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43 int _position;
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44
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45 public:
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46 JavaArgumentBoxer(Symbol* signature, objArrayHandle obj_array, JavaCallArguments* args, bool is_static, TRAPS) : SignatureIterator(signature) {
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47 _obj_array = obj_array;
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48 _args = args;
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49 _index = _position = 0;
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50 _thread = THREAD;
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51 if (!is_static) {
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52 push(next_object(T_OBJECT));
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53 }
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54 iterate();
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55 assert(_index == _obj_array->length(), "arg count mismatch with signature");
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56 }
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57
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58 inline void do_bool() {
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59 if (!is_return_type()) {
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60 jvalue value;
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61 value.z = (jboolean)_args->get_int(_position);
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62 push(java_lang_boxing_object::create(T_BOOLEAN, &value, _thread));
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63 }
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64 }
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65 inline void do_char() {
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66 if (!is_return_type()) {
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67 jvalue value;
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68 value.c = (jchar)_args->get_int(_position);
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69 push(java_lang_boxing_object::create(T_CHAR, &value, _thread));
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70 }
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71 }
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72 inline void do_short() {
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73 if (!is_return_type()) {
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74 jvalue value;
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75 value.s = (jshort)_args->get_int(_position);
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76 push(java_lang_boxing_object::create(T_SHORT, &value, _thread));
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77 }
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78 }
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79 inline void do_byte() {
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80 if (!is_return_type()) {
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81 jvalue value;
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82 value.b = (jbyte)_args->get_int(_position);
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83 push(java_lang_boxing_object::create(T_BYTE, &value, _thread));
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84 }
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85 }
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86 inline void do_int() {
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87 if (!is_return_type()) {
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88 jvalue value;
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89 value.i = (jint)_args->get_int(_position);
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90 push(java_lang_boxing_object::create(T_INT, &value, _thread));
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91 }
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92 }
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93
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94 inline void do_long() {
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95 if (!is_return_type()) {
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96 jvalue value;
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97 value.j = (jlong)_args->get_long(_position);
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98 push(java_lang_boxing_object::create(T_LONG, &value, _thread));
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99 }
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100 }
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101
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102 inline void do_float() {
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103 if (!is_return_type()) {
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104 jvalue value;
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105 value.f = (jfloat)_args->get_float(_position);
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106 push(java_lang_boxing_object::create(T_FLOAT, &value, _thread));
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107 }
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108 }
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109
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110 inline void do_double() {
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111 if (!is_return_type()) {
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112 jvalue value;
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113 value.d = (jdouble)_args->get_double(_position);
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114 push(java_lang_boxing_object::create(T_DOUBLE, &value, _thread));
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115 }
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116 }
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117
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118 inline void do_object(int begin, int end) { if (!is_return_type()) push(next_object(T_OBJECT)); }
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119 inline void do_array(int begin, int end) { if (!is_return_type()) push(next_object(T_ARRAY)); }
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120 inline void do_void() { }
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121
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122 inline oop next_object(BasicType type) {
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123 assert(type == T_OBJECT || type == T_ARRAY, "must be");
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124 return *(_args->get_raw_oop(_position));
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125 }
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126
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127 inline void push(oop obj) {
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128 _obj_array->obj_at_put(_index, obj);
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129 _index++;
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130 }
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131 };
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132
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133 bool VMToInterpreter::allocate_interpreter(const char* interpreter_class_name, const char* interpreter_arguments, TRAPS) {
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134 assert(_interpreterPermObject == NULL && _interpreterPermKlass == NULL, "no need to allocate twice");
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135
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136 HandleMark hm;
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diff changeset
137 // load the interpreter class using its fully qualified class name
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diff changeset
138 Symbol* class_name = SymbolTable::lookup(interpreter_class_name, (int)strlen(interpreter_class_name), CHECK_false);
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diff changeset
139 instanceKlassHandle interpreter_klass = SystemDictionary::resolve_or_null(class_name, SystemDictionary::java_system_loader(), NULL, CHECK_false);
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parents:
diff changeset
140 if (interpreter_klass.is_null()) {
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parents:
diff changeset
141 tty->print_cr("Could not load HighLevelInterpreterClass '%s'", interpreter_class_name);
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parents:
diff changeset
142 return false;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
143 }
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diff changeset
144
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
145 // allocate an interpreter instance
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
146 interpreter_klass->initialize(CHECK_false);
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diff changeset
147 instanceHandle interpreter_instance = interpreter_klass->allocate_instance_handle(CHECK_false);
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diff changeset
148
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
149 // initialize the interpreter instance
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
150 Handle args;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
151 if (interpreter_arguments != NULL) {
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parents:
diff changeset
152 args = java_lang_String::create_from_platform_dependent_str(interpreter_arguments, CHECK_false);
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diff changeset
153 }
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parents:
diff changeset
154
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
155 JavaValue result(T_BOOLEAN);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
156 JavaCalls::call_virtual(&result, interpreter_instance, interpreter_klass, vmSymbols::initialize_name(), vmSymbols::setOption_signature(), args, CHECK_false);
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parents:
diff changeset
157 if (result.get_jboolean() != JNI_TRUE) {
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parents:
diff changeset
158 tty->print_cr("Could not invoke '%s::initialize(String)'", interpreter_class_name);
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parents:
diff changeset
159 return false;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
160 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
161
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
162 // store the instance globally and keep it alive
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
163 _interpreterPermObject = JNIHandles::make_global(interpreter_instance);
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parents:
diff changeset
164 _interpreterPermKlass = JNIHandles::make_global(interpreter_klass);
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diff changeset
165
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parents:
diff changeset
166 // register the native functions that are needed by the interpreter
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
167 {
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parents:
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168 assert(THREAD->is_Java_thread(), "must be");
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169 JavaThread* thread = (JavaThread*) THREAD;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
170 ThreadToNativeFromVM trans(thread);
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
171 JNIEnv *env = thread->jni_environment();
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diff changeset
172 jclass klass = env->FindClass("com/oracle/graal/hotspot/HotSpotRuntimeInterpreterInterface");
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parents:
diff changeset
173 if (klass == NULL) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
174 tty->print_cr("Could not find class HotSpotRuntimeInterpreterInterface");
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diff changeset
175 return false;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
176 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
177 env->RegisterNatives(klass, InterpreterToVM_methods, InterpreterToVM_methods_count());
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
178 if (thread->has_pending_exception()) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
179 tty->print_cr("Could not register HotSpotRuntimeInterpreterInterface native methods");
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parents:
diff changeset
180 return false;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
181 }
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parents:
diff changeset
182 }
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parents:
diff changeset
183
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
184 return true;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
185 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
186
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
187 Handle VMToInterpreter::interpreter_instance() {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
188 return Handle(JNIHandles::resolve_non_null(_interpreterPermObject));
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
189 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
190
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
191 KlassHandle VMToInterpreter::interpreter_klass() {
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parents:
diff changeset
192 return KlassHandle(JNIHandles::resolve_non_null(_interpreterPermKlass));
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
193 }
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parents:
diff changeset
194
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parents:
diff changeset
195 void VMToInterpreter::execute(JavaValue* result, methodHandle* m, JavaCallArguments* args, BasicType expected_result_type, TRAPS) {
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parents:
diff changeset
196 assert(interpreter_instance().not_null(), "must be allocated before the first call");
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
197 assert(THREAD->is_Java_thread(), "must be");
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
198 assert(m != NULL, "must be");
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
199 assert(args != NULL, "must be");
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
200
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
201 JavaThread* thread = (JavaThread*)THREAD;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
202 methodHandle method = *m;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
203 int parameter_count = ArgumentCount(method->signature()).size() + (method->is_static() ? 0 : 1);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
204 objArrayHandle args_array = oopFactory::new_objArray(SystemDictionary::Object_klass(), parameter_count, CHECK);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
205 JavaArgumentBoxer jab(method->signature(), args_array, args, method->is_static(), thread);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
206 Handle hotspot_method = GraalCompiler::createHotSpotResolvedJavaMethod(method, CHECK);
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parents:
diff changeset
207
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
208 JavaValue boxed_result(T_OBJECT);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
209 JavaCallArguments boxed_args;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
210 boxed_args.set_receiver(interpreter_instance());
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
211 boxed_args.push_oop(hotspot_method);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
212 boxed_args.push_oop(args_array);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
213
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
214 #ifndef PRODUCT
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
215 if (PrintHighLevelInterpreterVMTransitions) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
216 ResourceMark m;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
217 tty->print_cr("VM -> high level interpreter (%s)", method->name_and_sig_as_C_string());
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
218 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
219 #endif
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
220
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
221 thread->set_high_level_interpreter_in_vm(false);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
222 JavaCalls::call_virtual(&boxed_result, interpreter_klass(), vmSymbols::interpreter_execute_name(), vmSymbols::interpreter_execute_signature(), &boxed_args, thread);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
223 thread->set_high_level_interpreter_in_vm(true);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
224
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
225 #ifndef PRODUCT
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
226 if (PrintHighLevelInterpreterVMTransitions) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
227 ResourceMark m;
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
228 tty->print_cr("High level interpreter (%s) -> VM", method->name_and_sig_as_C_string());
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
229 }
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
230 #endif
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
231
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
232 if (HAS_PENDING_EXCEPTION) {
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
233 return;
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
234 }
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
235
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
236 // unbox the result if necessary
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
237 if (is_java_primitive(expected_result_type)) {
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
238 unbox_primitive(&boxed_result, result);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
239 } else if (expected_result_type == T_OBJECT || expected_result_type == T_ARRAY) {
5765
8d0a6bceb112 fixed result value for (high-level interpreter -> native -> Java transitions)
Christian Haeubl <haeubl@ssw.jku.at>
parents: 5747
diff changeset
240 result->set_jobject(boxed_result.get_jobject());
5747
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
241 }
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
242 }
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
243
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
244 void VMToInterpreter::unbox_primitive(JavaValue* boxed, JavaValue* result) {
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
245 oop box = JNIHandles::resolve(boxed->get_jobject());
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
246
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
247 jvalue value;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
248 BasicType type = java_lang_boxing_object::get_value(box, &value);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
249 switch (type) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
250 case T_BOOLEAN:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
251 result->set_jint(value.z);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
252 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
253 case T_CHAR:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
254 result->set_jint(value.c);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
255 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
256 case T_FLOAT:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
257 result->set_jfloat(value.f);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
258 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
259 case T_DOUBLE:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
260 result->set_jdouble(value.d);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
261 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
262 case T_BYTE:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
263 result->set_jint(value.b);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
264 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
265 case T_SHORT:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
266 result->set_jint(value.s);
120820e30baa added basic high-level interpreter support to HotSpot
Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
267 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
268 case T_INT:
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
269 result->set_jint(value.i);
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
diff changeset
270 break;
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Christian Haeubl <haeubl@ssw.jku.at>
parents:
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271 case T_LONG:
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272 result->set_jlong(value.j);
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273 break;
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274 default:
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275 ShouldNotReachHere();
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276 break;
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277 }
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278 }
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279
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280 #endif // HIGH_LEVEL_INTERPRETER