1 /* 2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP 25 #define SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP 26 27 #include "interpreter/interpreter.hpp" 28 #include "memory/allocation.hpp" 29 #include "runtime/arguments.hpp" 30 #include "runtime/deoptimization.hpp" 31 32 #define JVMCI_ERROR(...) \ 33 { Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::jdk_vm_ci_common_JVMCIError(), __VA_ARGS__); return; } 34 35 #define JVMCI_ERROR_(ret, ...) \ 36 { Exceptions::fthrow(THREAD_AND_LOCATION, vmSymbols::jdk_vm_ci_common_JVMCIError(), __VA_ARGS__); return ret; } 37 38 #define JVMCI_ERROR_0(...) JVMCI_ERROR_(0, __VA_ARGS__) 39 #define JVMCI_ERROR_NULL(...) JVMCI_ERROR_(NULL, __VA_ARGS__) 40 #define JVMCI_ERROR_OK(...) JVMCI_ERROR_(JVMCIEnv::ok, __VA_ARGS__) 41 #define CHECK_OK CHECK_(JVMCIEnv::ok) 42 43 class JVMCIRuntime: public AllStatic { 44 public: 45 // Constants describing whether JVMCI wants to be able to adjust the compilation 46 // level selected for a method by the VM compilation policy and if so, based on 47 // what information about the method being schedule for compilation. 48 enum CompLevelAdjustment { 49 none = 0, // no adjustment 50 by_holder = 1, // adjust based on declaring class of method 51 by_full_signature = 2 // adjust based on declaring class, name and signature of method 52 }; 53 54 private: 55 static jobject _HotSpotJVMCIRuntime_instance; 56 static bool _HotSpotJVMCIRuntime_initialized; 57 static bool _well_known_classes_initialized; 58 59 static int _trivial_prefixes_count; 60 static char** _trivial_prefixes; 61 62 static CompLevelAdjustment _comp_level_adjustment; 63 64 static bool _shutdown_called; 65 66 static CompLevel adjust_comp_level_inner(const methodHandle& method, bool is_osr, CompLevel level, JavaThread* thread); 67 68 public: 69 static bool is_HotSpotJVMCIRuntime_initialized() { 70 return _HotSpotJVMCIRuntime_initialized; 71 } 72 73 /** 74 * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary 75 */ 76 static Handle get_HotSpotJVMCIRuntime(TRAPS); 77 78 static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) { 79 initialize_JVMCI(CHECK_NULL); 80 assert(_HotSpotJVMCIRuntime_initialized, "must be"); 81 return _HotSpotJVMCIRuntime_instance; 82 } 83 84 static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS); 85 86 /** 87 * Determines if the VM is sufficiently booted to initialize JVMCI. 88 */ 89 static bool can_initialize_JVMCI(); 90 91 /** 92 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime() 93 */ 94 static void initialize_JVMCI(TRAPS); 95 96 /** 97 * Explicitly initialize HotSpotJVMCIRuntime itself 98 */ 99 static void initialize_HotSpotJVMCIRuntime(TRAPS); 100 101 static void initialize_well_known_classes(TRAPS); 102 103 static void metadata_do(void f(Metadata*)); 104 105 static void shutdown(TRAPS); 106 107 static void bootstrap_finished(TRAPS); 108 109 static bool shutdown_called() { 110 return _shutdown_called; 111 } 112 113 static bool treat_as_trivial(Method* method); 114 115 /** 116 * Lets JVMCI modify the compilation level currently selected for a method by 117 * the VM compilation policy. 118 * 119 * @param method the method being scheduled for compilation 120 * @param is_osr specifies if the compilation is an OSR compilation 121 * @param level the compilation level currently selected by the VM compilation policy 122 * @param thread the current thread 123 * @return the compilation level to use for the compilation 124 */ 125 static CompLevel adjust_comp_level(const methodHandle& method, bool is_osr, CompLevel level, JavaThread* thread); 126 127 static BasicType kindToBasicType(Handle kind, TRAPS); 128 129 // The following routines are all called from compiled JVMCI code 130 131 static void new_instance(JavaThread* thread, Klass* klass); 132 static void new_array(JavaThread* thread, Klass* klass, jint length); 133 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims); 134 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length); 135 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror); 136 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted); 137 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3); 138 static jint identity_hash_code(JavaThread* thread, oopDesc* obj); 139 static address exception_handler_for_pc(JavaThread* thread); 140 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock); 141 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock); 142 static jboolean object_notify(JavaThread* thread, oopDesc* obj); 143 static jboolean object_notifyAll(JavaThread* thread, oopDesc* obj); 144 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value); 145 static oopDesc* load_and_clear_exception(JavaThread* thread); 146 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3); 147 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline); 148 // Print the passed in object, optionally followed by a newline. If 149 // as_string is true and the object is a java.lang.String then it 150 // printed as a string, otherwise the type of the object is printed 151 // followed by its address. 152 static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline); 153 static void write_barrier_pre(JavaThread* thread, oopDesc* obj); 154 static void write_barrier_post(JavaThread* thread, void* card); 155 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child); 156 157 // used to throw exceptions from compiled JVMCI code 158 static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message); 159 // helper methods to throw exception with complex messages 160 static void throw_klass_external_name_exception(JavaThread* thread, const char* exception, Klass* klass); 161 static void throw_class_cast_exception(JavaThread* thread, const char* exception, Klass* caster_klass, Klass* target_klass); 162 163 // Forces initialization of the JVMCI runtime. 164 static void force_initialization(TRAPS); 165 166 // Test only function 167 static int test_deoptimize_call_int(JavaThread* thread, int value); 168 }; 169 170 // Tracing macros. 171 172 #define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else 173 #define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else 174 #define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else 175 #define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else 176 #define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else 177 178 #define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr 179 #define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print(" JVMCITrace-2: "), true))) ; else tty->print_cr 180 #define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print(" JVMCITrace-3: "), true))) ; else tty->print_cr 181 #define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print(" JVMCITrace-4: "), true))) ; else tty->print_cr 182 #define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print(" JVMCITrace-5: "), true))) ; else tty->print_cr 183 184 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP