1 /* 2 * Copyright (c) 2012, 2015, 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 ParseClosure : public StackObj { 44 int _lineNo; 45 char* _filename; 46 bool _abort; 47 protected: 48 void abort() { _abort = true; } 49 void warn_and_abort(const char* message) { 50 warn(message); 51 abort(); 52 } 53 void warn(const char* message) { 54 warning("Error at line %d while parsing %s: %s", _lineNo, _filename == NULL ? "?" : _filename, message); 55 } 56 public: 57 ParseClosure() : _lineNo(0), _filename(NULL), _abort(false) {} 58 void parse_line(char* line) { 59 _lineNo++; 60 do_line(line); 61 } 62 virtual void do_line(char* line) = 0; 63 int lineNo() { return _lineNo; } 64 bool is_aborted() { return _abort; } 65 void set_filename(char* path) {_filename = path; _lineNo = 0;} 66 }; 67 68 class JVMCIRuntime: public AllStatic { 69 private: 70 static jobject _HotSpotJVMCIRuntime_instance; 71 static bool _HotSpotJVMCIRuntime_initialized; 72 static bool _well_known_classes_initialized; 73 static const char* _compiler; 74 static int _options_count; 75 static SystemProperty** _options; 76 77 static int _trivial_prefixes_count; 78 static char** _trivial_prefixes; 79 80 static bool _shutdown_called; 81 82 /** 83 * Instantiates a service object, calls its default constructor and returns it. 84 * 85 * @param name the name of a class implementing jdk.vm.ci.service.Service 86 */ 87 static Handle create_Service(const char* name, TRAPS); 88 89 public: 90 91 /** 92 * Parses *.properties files in jre/lib/jvmci/ and adds the properties to plist. 93 */ 94 static void init_system_properties(SystemProperty** plist); 95 96 /** 97 * Saves the value of the "jvmci.compiler" system property for processing 98 * when JVMCI is initialized. 99 */ 100 static void save_compiler(const char* compiler); 101 102 /** 103 * Saves the value of the system properties starting with "jvmci.option." for processing 104 * when JVMCI is initialized. 105 * 106 * @param props the head of the system property list 107 */ 108 static void save_options(SystemProperty* props); 109 110 /** 111 * If either the PrintFlags or ShowFlags JVMCI option is present, 112 * then JVMCI is initialized to show the help message. 113 */ 114 static void maybe_print_flags(TRAPS); 115 116 static bool is_HotSpotJVMCIRuntime_initialized() { return _HotSpotJVMCIRuntime_initialized; } 117 118 /** 119 * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary 120 */ 121 static Handle get_HotSpotJVMCIRuntime(TRAPS) { 122 initialize_JVMCI(CHECK_(Handle())); 123 return Handle(JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance)); 124 } 125 126 static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) { 127 initialize_JVMCI(CHECK_NULL); 128 assert(_HotSpotJVMCIRuntime_initialized, "must be"); 129 return _HotSpotJVMCIRuntime_instance; 130 } 131 132 static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS); 133 134 /** 135 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime() 136 */ 137 static void initialize_JVMCI(TRAPS); 138 139 /** 140 * Explicitly initialize HotSpotJVMCIRuntime itself 141 */ 142 static void initialize_HotSpotJVMCIRuntime(TRAPS); 143 144 static void initialize_well_known_classes(TRAPS); 145 146 static void metadata_do(void f(Metadata*)); 147 148 static void shutdown(); 149 150 static bool shutdown_called() { 151 return _shutdown_called; 152 } 153 154 static bool treat_as_trivial(Method* method); 155 static void parse_lines(char* path, ParseClosure* closure, bool warnStatFailure); 156 157 /** 158 * Aborts the VM due to an unexpected exception. 159 */ 160 static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false); 161 162 /** 163 * Calls Throwable.printStackTrace() on a given exception. 164 */ 165 static void call_printStackTrace(Handle exception, Thread* thread); 166 167 #define CHECK_ABORT THREAD); \ 168 if (HAS_PENDING_EXCEPTION) { \ 169 char buf[256]; \ 170 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \ 171 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \ 172 return; \ 173 } \ 174 (void)(0 175 176 #define CHECK_ABORT_(result) THREAD); \ 177 if (HAS_PENDING_EXCEPTION) { \ 178 char buf[256]; \ 179 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \ 180 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \ 181 return result; \ 182 } \ 183 (void)(0 184 185 static BasicType kindToBasicType(Handle kind, TRAPS); 186 187 // The following routines are all called from compiled JVMCI code 188 189 static void new_instance(JavaThread* thread, Klass* klass); 190 static void new_array(JavaThread* thread, Klass* klass, jint length); 191 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims); 192 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length); 193 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror); 194 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted); 195 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3); 196 static jint identity_hash_code(JavaThread* thread, oopDesc* obj); 197 static address exception_handler_for_pc(JavaThread* thread); 198 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock); 199 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock); 200 static void create_null_exception(JavaThread* thread); 201 static void create_out_of_bounds_exception(JavaThread* thread, jint index); 202 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value); 203 static oopDesc* load_and_clear_exception(JavaThread* thread); 204 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3); 205 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline); 206 // Print the passed in object, optionally followed by a newline. If 207 // as_string is true and the object is a java.lang.String then it 208 // printed as a string, otherwise the type of the object is printed 209 // followed by its address. 210 static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline); 211 static void write_barrier_pre(JavaThread* thread, oopDesc* obj); 212 static void write_barrier_post(JavaThread* thread, void* card); 213 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child); 214 static void new_store_pre_barrier(JavaThread* thread); 215 216 // Test only function 217 static int test_deoptimize_call_int(JavaThread* thread, int value); 218 }; 219 220 // Tracing macros. 221 222 #define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else 223 #define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else 224 #define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else 225 #define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else 226 #define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else 227 228 #define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr 229 #define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print(" JVMCITrace-2: "), true))) ; else tty->print_cr 230 #define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print(" JVMCITrace-3: "), true))) ; else tty->print_cr 231 #define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print(" JVMCITrace-4: "), true))) ; else tty->print_cr 232 #define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print(" JVMCITrace-5: "), true))) ; else tty->print_cr 233 234 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP