c1_Runtime1.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 1999, 2010, 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
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
34class 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)             \
57  stub(throw_array_store_exception)  \
58  stub(throw_class_cast_exception)   \
59  stub(throw_incompatible_class_change_error)   \
60  stub(slow_subtype_check)           \
61  stub(monitorenter)                 \
62  stub(monitorenter_nofpu)             /* optimized version that does not preserve fpu registers */ \
63  stub(monitorexit)                  \
64  stub(monitorexit_nofpu)              /* optimized version that does not preserve fpu registers */ \
65  stub(access_field_patching)        \
66  stub(load_klass_patching)          \
67  stub(jvmti_exception_throw)        \
68  stub(g1_pre_barrier_slow)          \
69  stub(g1_post_barrier_slow)         \
70  stub(fpu2long_stub)                \
71  stub(counter_overflow)             \
72  last_entry(number_of_ids)
73
74#define DECLARE_STUB_ID(x)       x ## _id ,
75#define DECLARE_LAST_STUB_ID(x)  x
76#define STUB_NAME(x)             #x " Runtime1 stub",
77#define LAST_STUB_NAME(x)        #x " Runtime1 stub"
78
79class Runtime1: public AllStatic {
80  friend class VMStructs;
81  friend class ArrayCopyStub;
82
83 public:
84  enum StubID {
85    RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
86  };
87
88  // statistics
89#ifndef PRODUCT
90  static int _resolve_invoke_cnt;
91  static int _handle_wrong_method_cnt;
92  static int _ic_miss_cnt;
93  static int _generic_arraycopy_cnt;
94  static int _primitive_arraycopy_cnt;
95  static int _oop_arraycopy_cnt;
96  static int _arraycopy_slowcase_cnt;
97  static int _new_type_array_slowcase_cnt;
98  static int _new_object_array_slowcase_cnt;
99  static int _new_instance_slowcase_cnt;
100  static int _new_multi_array_slowcase_cnt;
101  static int _monitorenter_slowcase_cnt;
102  static int _monitorexit_slowcase_cnt;
103  static int _patch_code_slowcase_cnt;
104  static int _throw_range_check_exception_count;
105  static int _throw_index_exception_count;
106  static int _throw_div0_exception_count;
107  static int _throw_null_pointer_exception_count;
108  static int _throw_class_cast_exception_count;
109  static int _throw_incompatible_class_change_error_count;
110  static int _throw_array_store_exception_count;
111  static int _throw_count;
112#endif
113
114 private:
115  static CodeBlob* _blobs[number_of_ids];
116  static const char* _blob_names[];
117
118  // stub generation
119  static void generate_blob_for(BufferBlob* blob, StubID id);
120  static OopMapSet* generate_code_for(StubID id, StubAssembler* masm);
121  static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
122  static void generate_handle_exception(StubAssembler *sasm, OopMapSet* oop_maps, OopMap* oop_map, bool ignore_fpu_registers = false);
123  static void generate_unwind_exception(StubAssembler *sasm);
124  static OopMapSet* generate_patching(StubAssembler* sasm, address target);
125
126  static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
127                                       Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
128
129  // runtime entry points
130  static void new_instance    (JavaThread* thread, klassOopDesc* klass);
131  static void new_type_array  (JavaThread* thread, klassOopDesc* klass, jint length);
132  static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length);
133  static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims);
134
135  static address counter_overflow(JavaThread* thread, int bci, methodOopDesc* method);
136
137  static void unimplemented_entry   (JavaThread* thread, StubID id);
138
139  static address exception_handler_for_pc(JavaThread* thread);
140  static void post_jvmti_exception_throw(JavaThread* thread);
141
142  static void throw_range_check_exception(JavaThread* thread, int index);
143  static void throw_index_exception(JavaThread* thread, int index);
144  static void throw_div0_exception(JavaThread* thread);
145  static void throw_null_pointer_exception(JavaThread* thread);
146  static void throw_class_cast_exception(JavaThread* thread, oopDesc* obect);
147  static void throw_incompatible_class_change_error(JavaThread* thread);
148  static void throw_array_store_exception(JavaThread* thread);
149
150  static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
151  static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
152
153  static int access_field_patching(JavaThread* thread);
154  static int move_klass_patching(JavaThread* thread);
155
156  static void patch_code(JavaThread* thread, StubID stub_id);
157
158 public:
159  // initialization
160  static void initialize(BufferBlob* blob);
161  static void initialize_pd();
162
163  // stubs
164  static CodeBlob* blob_for (StubID id);
165  static address   entry_for(StubID id)          { return blob_for(id)->code_begin(); }
166  static const char* name_for (StubID id);
167  static const char* name_for_address(address entry);
168
169  // platform might add runtime names.
170  static const char* pd_name_for_address(address entry);
171
172  // method tracing
173  static void trace_block_entry(jint block_id);
174
175#ifndef PRODUCT
176  static address throw_count_address()       { return (address)&_throw_count;       }
177#endif
178
179  // directly accessible leaf routine
180  static int  arraycopy(oopDesc* src, int src_pos, oopDesc* dst, int dst_pos, int length);
181  static void primitive_arraycopy(HeapWord* src, HeapWord* dst, int length);
182  static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
183
184  static void print_statistics()                 PRODUCT_RETURN;
185};
186
187#endif // SHARE_VM_C1_C1_RUNTIME1_HPP
188