Mercurial > hg > truffle
annotate src/share/vm/graal/graalInterpreterToVM.cpp @ 5747:120820e30baa
added basic high-level interpreter support to HotSpot
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Tue, 03 Jul 2012 16:56:40 +0200 |
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children | d5f7e737827f |
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5747
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1 /* |
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2 * Copyright (c) 2011, 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 "prims/jni.h" |
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26 #include "graal/graalInterpreterToVM.hpp" |
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27 #include "graal/graalCompiler.hpp" |
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28 #include "graal/graalCompilerToVM.hpp" |
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29 |
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30 #ifdef HIGH_LEVEL_INTERPRETER |
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31 |
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32 // public Object invoke(HotSpotResolvedJavaMethod method, boolean highLevel, Object... args); |
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33 JNIEXPORT jobject JNICALL Java_com_oracle_graal_hotspot_HotSpotRuntimeInterpreterInterface_invoke(JNIEnv *env, jobject, jobject method, jobject args) { |
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34 TRACE_graal_3("InterpreterToVM::invoke"); |
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35 |
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36 VM_ENTRY_MARK; |
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37 HandleMark hm; |
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38 |
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39 assert(method != NULL, "just checking"); |
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40 assert(thread->is_Java_thread(), "must be"); |
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41 methodHandle mh = getMethodFromHotSpotMethod(method); |
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42 |
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43 JavaCallArguments jca; |
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44 JavaArgumentUnboxer jap(mh->signature(), &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); |
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45 |
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46 #ifndef PRODUCT |
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47 if (PrintHighLevelInterpreterVMTransitions) { |
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48 ResourceMark rm; |
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49 tty->print_cr("High level interpreter -> VM (%s)", mh->name_and_sig_as_C_string()); |
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50 } |
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51 #endif |
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52 |
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53 JavaValue result(jap.get_ret_type()); |
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54 thread->set_high_level_interpreter_in_vm(true); |
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55 JavaCalls::call(&result, mh, &jca, THREAD); |
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56 thread->set_high_level_interpreter_in_vm(false); |
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57 |
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58 #ifndef PRODUCT |
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59 if (PrintHighLevelInterpreterVMTransitions) { |
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60 ResourceMark rm; |
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61 tty->print_cr("VM (%s) -> high level interpreter", mh->name_and_sig_as_C_string()); |
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62 } |
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63 #endif |
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64 |
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65 if (thread->has_pending_exception()) { |
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66 return NULL; |
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67 } |
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68 |
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69 if (jap.get_ret_type() == T_VOID) { |
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70 return NULL; |
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71 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { |
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72 return JNIHandles::make_local((oop) result.get_jobject()); |
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73 } else { |
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74 oop o = java_lang_boxing_object::create(jap.get_ret_type(), (jvalue *) result.get_value_addr(), CHECK_NULL); |
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75 return JNIHandles::make_local(o); |
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76 } |
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77 } |
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78 |
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79 #define CC (char*) /*cast a literal from (const char*)*/ |
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80 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(Java_com_oracle_graal_hotspot_HotSpotRuntimeInterpreterInterface_##f)) |
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81 |
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82 #define RESOLVED_METHOD "Lcom/oracle/graal/api/meta/ResolvedJavaMethod;" |
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83 #define OBJECT "Ljava/lang/Object;" |
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84 |
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85 JNINativeMethod InterpreterToVM_methods[] = { |
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86 {CC"invoke", CC"("RESOLVED_METHOD "["OBJECT")"OBJECT, FN_PTR(invoke)} |
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87 }; |
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88 |
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89 int InterpreterToVM_methods_count() { |
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90 return sizeof(InterpreterToVM_methods) / sizeof(JNINativeMethod); |
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91 } |
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92 |
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93 #endif // HIGH_LEVEL_INTERPRETER |