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 class ParseClosure : public StackObj {
33 int _lineNo;
34 char* _filename;
35 bool _abort;
36 protected:
37 void abort() { _abort = true; }
38 void warn_and_abort(const char* message) {
39 warn(message);
40 abort();
41 }
42 void warn(const char* message) {
43 warning("Error at line %d while parsing %s: %s", _lineNo, _filename == NULL ? "?" : _filename, message);
44 }
45 public:
46 ParseClosure() : _lineNo(0), _filename(NULL), _abort(false) {}
47 void parse_line(char* line) {
48 _lineNo++;
49 do_line(line);
50 }
51 virtual void do_line(char* line) = 0;
52 int lineNo() { return _lineNo; }
53 bool is_aborted() { return _abort; }
54 void set_filename(char* path) {_filename = path; _lineNo = 0;}
55 };
56
57 class JVMCIRuntime: public AllStatic {
58 private:
59 static jobject _HotSpotJVMCIRuntime_instance;
60 static bool _HotSpotJVMCIRuntime_initialized;
61 static bool _well_known_classes_initialized;
62 static const char* _compiler;
63 static int _options_count;
64 static SystemProperty** _options;
65
66 static int _trivial_prefixes_count;
67 static char** _trivial_prefixes;
68
69 static bool _shutdown_called;
70
71 /**
72 * Instantiates a service object, calls its default constructor and returns it.
73 *
74 * @param name the name of a class implementing jdk.vm.ci.service.Service
75 */
76 static Handle create_Service(const char* name, TRAPS);
77
78 public:
79
80 /**
81 * Parses *.properties files in jre/lib/jvmci/ and adds the properties to plist.
82 */
83 static void init_system_properties(SystemProperty** plist);
84
85 /**
86 * Saves the value of the "jvmci.compiler" system property for processing
87 * when JVMCI is initialized.
88 */
89 static void save_compiler(const char* compiler);
90
91 /**
92 * Saves the value of the system properties starting with "jvmci.option." for processing
93 * when JVMCI is initialized.
94 *
95 * @param props the head of the system property list
96 */
97 static void save_options(SystemProperty* props);
98
99 /**
100 * If either the PrintFlags or ShowFlags JVMCI option is present,
101 * then JVMCI is initialized to show the help message.
102 */
103 static void maybe_print_flags(TRAPS);
104
105 static bool is_HotSpotJVMCIRuntime_initialized() { return _HotSpotJVMCIRuntime_initialized; }
106
107 /**
108 * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary
109 */
110 static Handle get_HotSpotJVMCIRuntime(TRAPS) {
111 initialize_JVMCI(CHECK_(Handle()));
112 return Handle(JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance));
113 }
114
115 static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) {
116 initialize_JVMCI(CHECK_NULL);
117 assert(_HotSpotJVMCIRuntime_initialized, "must be");
118 return _HotSpotJVMCIRuntime_instance;
119 }
120
121 static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS);
122
123 /**
124 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime()
125 */
126 static void initialize_JVMCI(TRAPS);
127
128 /**
129 * Explicitly initialize HotSpotJVMCIRuntime itself
130 */
131 static void initialize_HotSpotJVMCIRuntime(TRAPS);
132
133 static void initialize_well_known_classes(TRAPS);
134
135 static void metadata_do(void f(Metadata*));
136
137 static void shutdown();
138
139 static bool shutdown_called() {
140 return _shutdown_called;
141 }
142
143 static bool treat_as_trivial(Method* method);
144 static void parse_lines(char* path, ParseClosure* closure, bool warnStatFailure);
145
146 /**
147 * Aborts the VM due to an unexpected exception.
148 */
149 static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false);
150
151 /**
152 * Calls Throwable.printStackTrace() on a given exception.
153 */
154 static void call_printStackTrace(Handle exception, Thread* thread);
155
156 #define CHECK_ABORT THREAD); \
157 if (HAS_PENDING_EXCEPTION) { \
158 char buf[256]; \
159 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
160 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
161 return; \
162 } \
163 (void)(0
164
165 #define CHECK_ABORT_(result) THREAD); \
166 if (HAS_PENDING_EXCEPTION) { \
167 char buf[256]; \
168 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
169 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
170 return result; \
171 } \
172 (void)(0
173
174 static BasicType kindToBasicType(jchar ch);
175
176 // The following routines are all called from compiled JVMCI code
177
178 static void new_instance(JavaThread* thread, Klass* klass);
179 static void new_array(JavaThread* thread, Klass* klass, jint length);
180 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
181 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
182 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
183 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
184 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
185 static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
186 static address exception_handler_for_pc(JavaThread* thread);
187 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
188 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
189 static void create_null_exception(JavaThread* thread);
190 static void create_out_of_bounds_exception(JavaThread* thread, jint index);
191 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
192 static oopDesc* load_and_clear_exception(JavaThread* thread);
193 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
194 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
195 // Print the passed in object, optionally followed by a newline. If
196 // as_string is true and the object is a java.lang.String then it
197 // printed as a string, otherwise the type of the object is printed
198 // followed by its address.
199 static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline);
200 static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
201 static void write_barrier_post(JavaThread* thread, void* card);
202 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
203 static void new_store_pre_barrier(JavaThread* thread);
204
205 // Test only function
206 static int test_deoptimize_call_int(JavaThread* thread, int value);
207 };
208
209 // Tracing macros.
210
211 #define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else
212 #define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else
213 #define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else
214 #define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else
215 #define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else
216
217 #define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr
218 #define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print(" JVMCITrace-2: "), true))) ; else tty->print_cr
219 #define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print(" JVMCITrace-3: "), true))) ; else tty->print_cr
220 #define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print(" JVMCITrace-4: "), true))) ; else tty->print_cr
221 #define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print(" JVMCITrace-5: "), true))) ; else tty->print_cr
222
223 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP