1 /* 2 * Copyright (c) 2012, 2017, 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(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 initialize_JVMCI(CHECK_(Handle())); 78 return Handle(THREAD, JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance)); 79 } 80 81 static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) { 82 initialize_JVMCI(CHECK_NULL); 83 assert(_HotSpotJVMCIRuntime_initialized, "must be"); 84 return _HotSpotJVMCIRuntime_instance; 85 } 86 87 static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS); 88 89 /** 90 * Determines if the VM is sufficiently booted to initialize JVMCI. 91 */ 92 static bool can_initialize_JVMCI(); 93 94 /** 95 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime() 96 */ 97 static void initialize_JVMCI(TRAPS); 98 99 /** 100 * Explicitly initialize HotSpotJVMCIRuntime itself 101 */ 102 static void initialize_HotSpotJVMCIRuntime(TRAPS); 103 104 static void initialize_well_known_classes(TRAPS); 105 106 static void metadata_do(void f(Metadata*)); 107 108 static void shutdown(TRAPS); 109 110 static void bootstrap_finished(TRAPS); 111 112 static bool shutdown_called() { 113 return _shutdown_called; 114 } 115 116 static bool treat_as_trivial(Method* method); 117 118 /** 119 * Lets JVMCI modify the compilation level currently selected for a method by 120 * the VM compilation policy. 121 * 122 * @param method the method being scheduled for compilation 123 * @param is_osr specifies if the compilation is an OSR compilation 124 * @param level the compilation level currently selected by the VM compilation policy 125 * @param thread the current thread 126 * @return the compilation level to use for the compilation 127 */ 128 static CompLevel adjust_comp_level(methodHandle method, bool is_osr, CompLevel level, JavaThread* thread); 129 130 static BasicType kindToBasicType(Handle kind, TRAPS); 131 132 // The following routines are all called from compiled JVMCI code 133 134 static void new_instance(JavaThread* thread, Klass* klass); 135 static void new_array(JavaThread* thread, Klass* klass, jint length); 136 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims); 137 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length); 138 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror); 139 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted); 140 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3); 141 static jint identity_hash_code(JavaThread* thread, oopDesc* obj); 142 static address exception_handler_for_pc(JavaThread* thread); 143 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock); 144 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock); 145 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value); 146 static oopDesc* load_and_clear_exception(JavaThread* thread); 147 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3); 148 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline); 149 // Print the passed in object, optionally followed by a newline. If 150 // as_string is true and the object is a java.lang.String then it 151 // printed as a string, otherwise the type of the object is printed 152 // followed by its address. 153 static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline); 154 static void write_barrier_pre(JavaThread* thread, oopDesc* obj); 155 static void write_barrier_post(JavaThread* thread, void* card); 156 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child); 157 static void new_store_pre_barrier(JavaThread* thread); 158 159 // used to throw exceptions from compiled JVMCI code 160 static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message); 161 // helper methods to throw exception with complex messages 162 static void throw_klass_external_name_exception(JavaThread* thread, const char* exception, Klass* klass); 163 static void throw_class_cast_exception(JavaThread* thread, const char* exception, Klass* caster_klass, Klass* target_klass); 164 165 // Forces initialization of the JVMCI runtime. 166 static void force_initialization(TRAPS); 167 168 // Test only function 169 static int test_deoptimize_call_int(JavaThread* thread, int value); 170 }; 171 172 // Tracing macros. 173 174 #define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else 175 #define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else 176 #define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else 177 #define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else 178 #define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else 179 180 #define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr 181 #define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print(" JVMCITrace-2: "), true))) ; else tty->print_cr 182 #define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print(" JVMCITrace-3: "), true))) ; else tty->print_cr 183 #define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print(" JVMCITrace-4: "), true))) ; else tty->print_cr 184 #define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print(" JVMCITrace-5: "), true))) ; else tty->print_cr 185 186 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP