Mercurial > hg > graal-jvmci-8
comparison src/share/vm/c1/c1_Runtime1.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 37f87013dfd8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 1999-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 class StubAssembler; | |
26 | |
27 // The Runtime1 holds all assembly stubs and VM | |
28 // runtime routines needed by code code generated | |
29 // by the Compiler1. | |
30 | |
31 #define RUNTIME1_STUBS(stub, last_entry) \ | |
32 stub(dtrace_object_alloc) \ | |
33 stub(unwind_exception) \ | |
34 stub(forward_exception) \ | |
35 stub(throw_range_check_failed) /* throws ArrayIndexOutOfBoundsException */ \ | |
36 stub(throw_index_exception) /* throws IndexOutOfBoundsException */ \ | |
37 stub(throw_div0_exception) \ | |
38 stub(throw_null_pointer_exception) \ | |
39 stub(register_finalizer) \ | |
40 stub(new_instance) \ | |
41 stub(fast_new_instance) \ | |
42 stub(fast_new_instance_init_check) \ | |
43 stub(new_type_array) \ | |
44 stub(new_object_array) \ | |
45 stub(new_multi_array) \ | |
46 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
47 stub(handle_exception) \ | |
48 stub(throw_array_store_exception) \ | |
49 stub(throw_class_cast_exception) \ | |
50 stub(throw_incompatible_class_change_error) \ | |
51 stub(slow_subtype_check) \ | |
52 stub(monitorenter) \ | |
53 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
54 stub(monitorexit) \ | |
55 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ | |
56 stub(access_field_patching) \ | |
57 stub(load_klass_patching) \ | |
58 stub(jvmti_exception_throw) \ | |
59 stub(fpu2long_stub) \ | |
60 stub(counter_overflow) \ | |
61 last_entry(number_of_ids) | |
62 | |
63 #define DECLARE_STUB_ID(x) x ## _id , | |
64 #define DECLARE_LAST_STUB_ID(x) x | |
65 #define STUB_NAME(x) #x " Runtime1 stub", | |
66 #define LAST_STUB_NAME(x) #x " Runtime1 stub" | |
67 | |
68 class Runtime1: public AllStatic { | |
69 friend class VMStructs; | |
70 friend class ArrayCopyStub; | |
71 private: | |
72 static int desired_max_code_buffer_size() { | |
73 return (int) NMethodSizeLimit; // default 256K or 512K | |
74 } | |
75 static int desired_max_constant_size() { | |
76 return (int) NMethodSizeLimit / 10; // about 25K | |
77 } | |
78 | |
79 // Note: This buffers is allocated once at startup since allocation | |
80 // for each compilation seems to be too expensive (at least on Intel | |
81 // win32). | |
82 static BufferBlob* _buffer_blob; | |
83 | |
84 public: | |
85 enum StubID { | |
86 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID) | |
87 }; | |
88 | |
89 // statistics | |
90 #ifndef PRODUCT | |
91 static int _resolve_invoke_cnt; | |
92 static int _handle_wrong_method_cnt; | |
93 static int _ic_miss_cnt; | |
94 static int _generic_arraycopy_cnt; | |
95 static int _primitive_arraycopy_cnt; | |
96 static int _oop_arraycopy_cnt; | |
97 static int _arraycopy_slowcase_cnt; | |
98 static int _new_type_array_slowcase_cnt; | |
99 static int _new_object_array_slowcase_cnt; | |
100 static int _new_instance_slowcase_cnt; | |
101 static int _new_multi_array_slowcase_cnt; | |
102 static int _monitorenter_slowcase_cnt; | |
103 static int _monitorexit_slowcase_cnt; | |
104 static int _patch_code_slowcase_cnt; | |
105 static int _throw_range_check_exception_count; | |
106 static int _throw_index_exception_count; | |
107 static int _throw_div0_exception_count; | |
108 static int _throw_null_pointer_exception_count; | |
109 static int _throw_class_cast_exception_count; | |
110 static int _throw_incompatible_class_change_error_count; | |
111 static int _throw_array_store_exception_count; | |
112 static int _throw_count; | |
113 #endif | |
114 | |
115 private: | |
116 static bool _is_initialized; | |
117 static CodeBlob* _blobs[number_of_ids]; | |
118 static const char* _blob_names[]; | |
119 | |
120 // stub generation | |
121 static void generate_blob_for(StubID id); | |
122 static OopMapSet* generate_code_for(StubID id, StubAssembler* masm); | |
123 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument); | |
124 static void generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map, bool ignore_fpu_registers = false); | |
125 static void generate_unwind_exception(StubAssembler *sasm); | |
126 static OopMapSet* generate_patching(StubAssembler* sasm, address target); | |
127 | |
128 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry, | |
129 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg); | |
130 | |
131 // runtime entry points | |
132 static void new_instance (JavaThread* thread, klassOopDesc* klass); | |
133 static void new_type_array (JavaThread* thread, klassOopDesc* klass, jint length); | |
134 static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length); | |
135 static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims); | |
136 | |
137 #ifdef TIERED | |
138 static void counter_overflow(JavaThread* thread, int bci); | |
139 #endif // TIERED | |
140 | |
141 static void unimplemented_entry (JavaThread* thread, StubID id); | |
142 | |
143 static address exception_handler_for_pc(JavaThread* thread); | |
144 static void post_jvmti_exception_throw(JavaThread* thread); | |
145 | |
146 static void throw_range_check_exception(JavaThread* thread, int index); | |
147 static void throw_index_exception(JavaThread* thread, int index); | |
148 static void throw_div0_exception(JavaThread* thread); | |
149 static void throw_null_pointer_exception(JavaThread* thread); | |
150 static void throw_class_cast_exception(JavaThread* thread, oopDesc* obect); | |
151 static void throw_incompatible_class_change_error(JavaThread* thread); | |
152 static void throw_array_store_exception(JavaThread* thread); | |
153 | |
154 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock); | |
155 static void monitorexit (JavaThread* thread, BasicObjectLock* lock); | |
156 | |
157 static int access_field_patching(JavaThread* thread); | |
158 static int move_klass_patching(JavaThread* thread); | |
159 | |
160 static void patch_code(JavaThread* thread, StubID stub_id); | |
161 | |
162 public: | |
163 static BufferBlob* get_buffer_blob(); | |
164 static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate); | |
165 | |
166 // initialization | |
167 static bool is_initialized() { return _is_initialized; } | |
168 static void initialize(); | |
169 static void initialize_pd(); | |
170 | |
171 // stubs | |
172 static CodeBlob* blob_for (StubID id); | |
173 static address entry_for(StubID id) { return blob_for(id)->instructions_begin(); } | |
174 static const char* name_for (StubID id); | |
175 static const char* name_for_address(address entry); | |
176 | |
177 // method tracing | |
178 static void trace_block_entry(jint block_id); | |
179 | |
180 #ifndef PRODUCT | |
181 static address throw_count_address() { return (address)&_throw_count; } | |
182 #endif | |
183 | |
184 // directly accessible leaf routine | |
185 static int arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length); | |
186 static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
187 static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length); | |
188 | |
189 static void print_statistics() PRODUCT_RETURN; | |
190 }; |