1 /*
2 * Copyright (c) 2012, 2016, 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 public:
70 // Constants describing whether JVMCI wants to be able to adjust the compilation
71 // level selected for a method by the VM compilation policy and if so, based on
72 // what information about the method being schedule for compilation.
73 enum CompLevelAdjustment {
74 none = 0, // no adjustment
75 by_holder = 1, // adjust based on declaring class of method
76 by_full_signature = 2 // adjust based on declaring class, name and signature of method
77 };
78
79 private:
80 static jobject _HotSpotJVMCIRuntime_instance;
81 static bool _HotSpotJVMCIRuntime_initialized;
82 static bool _well_known_classes_initialized;
83
84 static int _trivial_prefixes_count;
85 static char** _trivial_prefixes;
86
87 static CompLevelAdjustment _comp_level_adjustment;
88
89 static bool _shutdown_called;
90
91 static CompLevel adjust_comp_level_inner(methodHandle method, bool is_osr, CompLevel level, JavaThread* thread);
92
93 public:
94 static bool is_HotSpotJVMCIRuntime_initialized() {
95 return _HotSpotJVMCIRuntime_initialized;
96 }
97
98 /**
99 * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary
100 */
101 static Handle get_HotSpotJVMCIRuntime(TRAPS) {
102 initialize_JVMCI(CHECK_(Handle()));
103 return Handle(JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance));
104 }
105
106 static jobject get_HotSpotJVMCIRuntime_jobject(TRAPS) {
107 initialize_JVMCI(CHECK_NULL);
108 assert(_HotSpotJVMCIRuntime_initialized, "must be");
109 return _HotSpotJVMCIRuntime_instance;
110 }
111
112 static Handle callStatic(const char* className, const char* methodName, const char* returnType, JavaCallArguments* args, TRAPS);
113
114 /**
115 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime()
116 */
117 static void initialize_JVMCI(TRAPS);
118
119 /**
120 * Explicitly initialize HotSpotJVMCIRuntime itself
121 */
122 static void initialize_HotSpotJVMCIRuntime(TRAPS);
123
124 static void initialize_well_known_classes(TRAPS);
125
126 static void metadata_do(void f(Metadata*));
127
128 static void shutdown(TRAPS);
129
130 static bool shutdown_called() {
131 return _shutdown_called;
132 }
133
134 static bool treat_as_trivial(Method* method);
135
136 /**
137 * Lets JVMCI modify the compilation level currently selected for a method by
138 * the VM compilation policy.
139 *
140 * @param method the method being scheduled for compilation
141 * @param is_osr specifies if the compilation is an OSR compilation
142 * @param level the compilation level currently selected by the VM compilation policy
143 * @param thread the current thread
144 * @return the compilation level to use for the compilation
145 */
146 static CompLevel adjust_comp_level(methodHandle method, bool is_osr, CompLevel level, JavaThread* thread);
147
148 static BasicType kindToBasicType(Handle kind, TRAPS);
149
150 // The following routines are all called from compiled JVMCI code
151
152 static void new_instance(JavaThread* thread, Klass* klass);
153 static void new_array(JavaThread* thread, Klass* klass, jint length);
154 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
155 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
156 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
157 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
158 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
159 static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
160 static address exception_handler_for_pc(JavaThread* thread);
161 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
162 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
163 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
164 static oopDesc* load_and_clear_exception(JavaThread* thread);
165 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
166 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
167 // Print the passed in object, optionally followed by a newline. If
168 // as_string is true and the object is a java.lang.String then it
169 // printed as a string, otherwise the type of the object is printed
170 // followed by its address.
171 static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline);
172 static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
173 static void write_barrier_post(JavaThread* thread, void* card);
174 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
175 static void new_store_pre_barrier(JavaThread* thread);
176
177 // used to throw exceptions from compiled JVMCI code
178 static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message);
179 // helper methods to throw exception with complex messages
180 static void throw_klass_external_name_exception(JavaThread* thread, const char* exception, Klass* klass);
181 static void throw_class_cast_exception(JavaThread* thread, const char* exception, Klass* caster_klass, Klass* target_klass);
182
183 // Test only function
184 static int test_deoptimize_call_int(JavaThread* thread, int value);
185 };
186
187 // Tracing macros.
188
189 #define IF_TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1)) ; else
190 #define IF_TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2)) ; else
191 #define IF_TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3)) ; else
192 #define IF_TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4)) ; else
193 #define IF_TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5)) ; else
194
195 #define TRACE_jvmci_1 if (!(JVMCITraceLevel >= 1 && (tty->print("JVMCITrace-1: "), true))) ; else tty->print_cr
196 #define TRACE_jvmci_2 if (!(JVMCITraceLevel >= 2 && (tty->print(" JVMCITrace-2: "), true))) ; else tty->print_cr
197 #define TRACE_jvmci_3 if (!(JVMCITraceLevel >= 3 && (tty->print(" JVMCITrace-3: "), true))) ; else tty->print_cr
198 #define TRACE_jvmci_4 if (!(JVMCITraceLevel >= 4 && (tty->print(" JVMCITrace-4: "), true))) ; else tty->print_cr
199 #define TRACE_jvmci_5 if (!(JVMCITraceLevel >= 5 && (tty->print(" JVMCITrace-5: "), true))) ; else tty->print_cr
200
201 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP