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--- old/src/share/vm/c1/c1_Runtime1.hpp
+++ new/src/share/vm/c1/c1_Runtime1.hpp
1 1 /*
2 2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 *
23 23 */
24 24
25 25 #ifndef SHARE_VM_C1_C1_RUNTIME1_HPP
26 26 #define SHARE_VM_C1_C1_RUNTIME1_HPP
27 27
28 28 #include "c1/c1_FrameMap.hpp"
29 29 #include "code/stubs.hpp"
30 30 #include "interpreter/interpreter.hpp"
31 31 #include "memory/allocation.hpp"
32 32 #include "runtime/deoptimization.hpp"
33 33
34 34 class StubAssembler;
35 35
36 36 // The Runtime1 holds all assembly stubs and VM
37 37 // runtime routines needed by code code generated
38 38 // by the Compiler1.
39 39
40 40 #define RUNTIME1_STUBS(stub, last_entry) \
41 41 stub(dtrace_object_alloc) \
42 42 stub(unwind_exception) \
43 43 stub(forward_exception) \
44 44 stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \
45 45 stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \
46 46 stub(throw_div0_exception) \
47 47 stub(throw_null_pointer_exception) \
48 48 stub(register_finalizer) \
49 49 stub(new_instance) \
50 50 stub(fast_new_instance) \
51 51 stub(fast_new_instance_init_check) \
52 52 stub(new_type_array) \
53 53 stub(new_object_array) \
54 54 stub(new_multi_array) \
55 55 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
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56 56 stub(handle_exception) \
57 57 stub(handle_exception_from_callee) \
58 58 stub(throw_array_store_exception) \
59 59 stub(throw_class_cast_exception) \
60 60 stub(throw_incompatible_class_change_error) \
61 61 stub(slow_subtype_check) \
62 62 stub(monitorenter) \
63 63 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
64 64 stub(monitorexit) \
65 65 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
66 + stub(deoptimize) \
66 67 stub(access_field_patching) \
67 68 stub(load_klass_patching) \
68 69 stub(g1_pre_barrier_slow) \
69 70 stub(g1_post_barrier_slow) \
70 71 stub(fpu2long_stub) \
71 72 stub(counter_overflow) \
72 73 last_entry(number_of_ids)
73 74
74 75 #define DECLARE_STUB_ID(x) x ## _id ,
75 76 #define DECLARE_LAST_STUB_ID(x) x
76 77 #define STUB_NAME(x) #x " Runtime1 stub",
77 78 #define LAST_STUB_NAME(x) #x " Runtime1 stub"
78 79
79 80 class Runtime1: public AllStatic {
80 81 friend class VMStructs;
81 82 friend class ArrayCopyStub;
82 83
83 84 public:
84 85 enum StubID {
85 86 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
86 87 };
87 88
88 89 // statistics
89 90 #ifndef PRODUCT
90 91 static int _resolve_invoke_cnt;
91 92 static int _handle_wrong_method_cnt;
92 93 static int _ic_miss_cnt;
93 94 static int _generic_arraycopy_cnt;
94 95 static int _primitive_arraycopy_cnt;
95 96 static int _oop_arraycopy_cnt;
96 97 static int _generic_arraycopystub_cnt;
97 98 static int _arraycopy_slowcase_cnt;
98 99 static int _arraycopy_checkcast_cnt;
99 100 static int _arraycopy_checkcast_attempt_cnt;
100 101 static int _new_type_array_slowcase_cnt;
101 102 static int _new_object_array_slowcase_cnt;
102 103 static int _new_instance_slowcase_cnt;
103 104 static int _new_multi_array_slowcase_cnt;
104 105 static int _monitorenter_slowcase_cnt;
105 106 static int _monitorexit_slowcase_cnt;
106 107 static int _patch_code_slowcase_cnt;
107 108 static int _throw_range_check_exception_count;
108 109 static int _throw_index_exception_count;
109 110 static int _throw_div0_exception_count;
110 111 static int _throw_null_pointer_exception_count;
111 112 static int _throw_class_cast_exception_count;
112 113 static int _throw_incompatible_class_change_error_count;
113 114 static int _throw_array_store_exception_count;
114 115 static int _throw_count;
115 116 #endif
116 117
117 118 private:
118 119 static CodeBlob* _blobs[number_of_ids];
119 120 static const char* _blob_names[];
120 121
121 122 // stub generation
122 123 static void generate_blob_for(BufferBlob* blob, StubID id);
123 124 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
124 125 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
125 126 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
126 127 static void generate_unwind_exception(StubAssembler *sasm);
127 128 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
128 129
129 130 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
130 131 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
131 132
132 133 // runtime entry points
133 134 static void new_instance (JavaThread* thread, klassOopDesc* klass);
134 135 static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length);
135 136 static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length);
136 137 static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims);
137 138
138 139 static address counter_overflow(JavaThread* thread, int bci, methodOopDesc* method);
139 140
140 141 static void unimplemented_entry (JavaThread* thread, StubID id);
141 142
142 143 static address exception_handler_for_pc(JavaThread* thread);
143 144
144 145 static void throw_range_check_exception(JavaThread* thread, int index);
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145 146 static void throw_index_exception(JavaThread* thread, int index);
146 147 static void throw_div0_exception(JavaThread* thread);
147 148 static void throw_null_pointer_exception(JavaThread* thread);
148 149 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
149 150 static void throw_incompatible_class_change_error(JavaThread* thread);
150 151 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
151 152
152 153 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
153 154 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
154 155
156 + static void deoptimize(JavaThread* thread);
157 +
155 158 static int access_field_patching(JavaThread* thread);
156 159 static int move_klass_patching(JavaThread* thread);
157 160
158 161 static void patch_code(JavaThread* thread, StubID stub_id);
159 162
160 163 public:
161 164 // initialization
162 165 static void initialize(BufferBlob* blob);
163 166 static void initialize_pd();
164 167
165 168 // stubs
166 169 static CodeBlob* blob_for (StubID id);
167 170 static address entry_for(StubID id) { return blob_for(id)->code_begin(); }
168 171 static const char* name_for (StubID id);
169 172 static const char* name_for_address(address entry);
170 173
171 174 // platform might add runtime names.
172 175 static const char* pd_name_for_address(address entry);
173 176
174 177 // method tracing
175 178 static void trace_block_entry(jint block_id);
176 179
177 180 #ifndef PRODUCT
178 181 static address throw_count_address() { return (address)&_throw_count; }
179 182 static address arraycopy_count_address(BasicType type);
180 183 #endif
181 184
182 185 // directly accessible leaf routine
183 186 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length);
184 187 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length);
185 188 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
186 189
187 190 static void print_statistics() PRODUCT_RETURN;
188 191 };
189 192
190 193 #endif // SHARE_VM_C1_C1_RUNTIME1_HPP
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