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annotate src/share/vm/c1/c1_Runtime1.hpp @ 11722:ff05c78a7f64
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author | Christian Wirth <christian.wirth@oracle.com> |
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date | Thu, 19 Sep 2013 10:36:56 +0200 |
parents | b9a918201d47 |
children | cefad50507d8 |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_C1_C1_RUNTIME1_HPP |
26 #define SHARE_VM_C1_C1_RUNTIME1_HPP | |
27 | |
28 #include "c1/c1_FrameMap.hpp" | |
29 #include "code/stubs.hpp" | |
30 #include "interpreter/interpreter.hpp" | |
31 #include "memory/allocation.hpp" | |
32 #include "runtime/deoptimization.hpp" | |
33 | |
0 | 34 class StubAssembler; |
35 | |
36 // The Runtime1 holds all assembly stubs and VM | |
37 // runtime routines needed by code code generated | |
38 // by the Compiler1. | |
39 | |
40 #define RUNTIME1_STUBS(stub, last_entry) \ | |
41 stub(dtrace_object_alloc) \ | |
42 stub(unwind_exception) \ | |
43 stub(forward_exception) \ | |
44 stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \ | |
45 stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \ | |
46 stub(throw_div0_exception) \ | |
47 stub(throw_null_pointer_exception) \ | |
48 stub(register_finalizer) \ | |
49 stub(new_instance) \ | |
50 stub(fast_new_instance) \ | |
51 stub(fast_new_instance_init_check) \ | |
52 stub(new_type_array) \ | |
53 stub(new_object_array) \ | |
54 stub(new_multi_array) \ | |
55 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
56 stub(handle_exception) \ | |
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57 stub(handle_exception_from_callee) \ |
0 | 58 stub(throw_array_store_exception) \ |
59 stub(throw_class_cast_exception) \ | |
60 stub(throw_incompatible_class_change_error) \ | |
61 stub(slow_subtype_check) \ | |
62 stub(monitorenter) \ | |
63 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
64 stub(monitorexit) \ | |
65 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
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66 stub(deoptimize) \ |
0 | 67 stub(access_field_patching) \ |
68 stub(load_klass_patching) \ | |
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69 stub(load_mirror_patching) \ |
342 | 70 stub(g1_pre_barrier_slow) \ |
71 stub(g1_post_barrier_slow) \ | |
0 | 72 stub(fpu2long_stub) \ |
73 stub(counter_overflow) \ | |
8860 | 74 stub(predicate_failed_trap) \ |
0 | 75 last_entry(number_of_ids) |
76 | |
77 #define DECLARE_STUB_ID(x) x ## _id , | |
78 #define DECLARE_LAST_STUB_ID(x) x | |
79 #define STUB_NAME(x) #x " Runtime1 stub", | |
80 #define LAST_STUB_NAME(x) #x " Runtime1 stub" | |
81 | |
82 class Runtime1: public AllStatic { | |
83 friend class VMStructs; | |
84 friend class ArrayCopyStub; | |
85 | |
86 public: | |
87 enum StubID { | |
88 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) | |
89 }; | |
90 | |
91 // statistics | |
92 #ifndef PRODUCT | |
93 static int _resolve_invoke_cnt; | |
94 static int _handle_wrong_method_cnt; | |
95 static int _ic_miss_cnt; | |
96 static int _generic_arraycopy_cnt; | |
97 static int _primitive_arraycopy_cnt; | |
98 static int _oop_arraycopy_cnt; | |
2446 | 99 static int _generic_arraycopystub_cnt; |
0 | 100 static int _arraycopy_slowcase_cnt; |
2446 | 101 static int _arraycopy_checkcast_cnt; |
102 static int _arraycopy_checkcast_attempt_cnt; | |
0 | 103 static int _new_type_array_slowcase_cnt; |
104 static int _new_object_array_slowcase_cnt; | |
105 static int _new_instance_slowcase_cnt; | |
106 static int _new_multi_array_slowcase_cnt; | |
107 static int _monitorenter_slowcase_cnt; | |
108 static int _monitorexit_slowcase_cnt; | |
109 static int _patch_code_slowcase_cnt; | |
110 static int _throw_range_check_exception_count; | |
111 static int _throw_index_exception_count; | |
112 static int _throw_div0_exception_count; | |
113 static int _throw_null_pointer_exception_count; | |
114 static int _throw_class_cast_exception_count; | |
115 static int _throw_incompatible_class_change_error_count; | |
116 static int _throw_array_store_exception_count; | |
117 static int _throw_count; | |
118 #endif | |
119 | |
120 private: | |
121 static CodeBlob* _blobs[number_of_ids]; | |
122 static const char* _blob_names[]; | |
123 | |
124 // stub generation | |
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125 static void generate_blob_for(BufferBlob* blob, StubID id); |
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126 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm); |
0 | 127 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); |
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128 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm); |
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129 static void generate_unwind_exception(StubAssembler *sasm); |
0 | 130 static OopMapSet* generate_patching(StubAssembler* sasm, address target); |
131 | |
132 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, | |
133 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); | |
134 | |
135 // runtime entry points | |
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136 static void new_instance (JavaThread* thread, Klass* klass); |
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137 static void new_type_array (JavaThread* thread, Klass* klass, jint length); |
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138 static void new_object_array(JavaThread* thread, Klass* klass, jint length); |
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139 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims); |
0 | 140 |
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141 static address counter_overflow(JavaThread* thread, int bci, Method* method); |
0 | 142 |
143 static void unimplemented_entry (JavaThread* thread, StubID id); | |
144 | |
145 static address exception_handler_for_pc(JavaThread* thread); | |
146 | |
147 static void throw_range_check_exception(JavaThread* thread, int index); | |
148 static void throw_index_exception(JavaThread* thread, int index); | |
149 static void throw_div0_exception(JavaThread* thread); | |
150 static void throw_null_pointer_exception(JavaThread* thread); | |
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151 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object); |
0 | 152 static void throw_incompatible_class_change_error(JavaThread* thread); |
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153 static void throw_array_store_exception(JavaThread* thread, oopDesc* object); |
0 | 154 |
155 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); | |
156 static void monitorexit (JavaThread* thread, BasicObjectLock* lock); | |
157 | |
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158 static void deoptimize(JavaThread* thread); |
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159 |
0 | 160 static int access_field_patching(JavaThread* thread); |
161 static int move_klass_patching(JavaThread* thread); | |
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162 static int move_mirror_patching(JavaThread* thread); |
0 | 163 |
164 static void patch_code(JavaThread* thread, StubID stub_id); | |
165 | |
166 public: | |
167 // initialization | |
1584 | 168 static void initialize(BufferBlob* blob); |
0 | 169 static void initialize_pd(); |
170 | |
171 // stubs | |
172 static CodeBlob* blob_for (StubID id); | |
1748 | 173 static address entry_for(StubID id) { return blob_for(id)->code_begin(); } |
0 | 174 static const char* name_for (StubID id); |
175 static const char* name_for_address(address entry); | |
176 | |
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177 // platform might add runtime names. |
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178 static const char* pd_name_for_address(address entry); |
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179 |
0 | 180 // method tracing |
181 static void trace_block_entry(jint block_id); | |
182 | |
183 #ifndef PRODUCT | |
2446 | 184 static address throw_count_address() { return (address)&_throw_count; } |
185 static address arraycopy_count_address(BasicType type); | |
0 | 186 #endif |
187 | |
188 // directly accessible leaf routine | |
189 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); | |
190 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
191 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
6135 | 192 static int is_instance_of(oopDesc* mirror, oopDesc* obj); |
0 | 193 |
8860 | 194 static void predicate_failed_trap(JavaThread* thread); |
195 | |
0 | 196 static void print_statistics() PRODUCT_RETURN; |
197 }; | |
1972 | 198 |
199 #endif // SHARE_VM_C1_C1_RUNTIME1_HPP |