1/*
2 * Copyright (c) 1999, 2013, 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(handle_exception_from_callee) \
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 */ \
66  stub(deoptimize)                   \
67  stub(access_field_patching)        \
68  stub(load_klass_patching)          \
69  stub(load_mirror_patching)         \
70  stub(load_appendix_patching)       \
71  stub(g1_pre_barrier_slow)          \
72  stub(g1_post_barrier_slow)         \
73  stub(fpu2long_stub)                \
74  stub(counter_overflow)             \
75  stub(predicate_failed_trap)        \
76  last_entry(number_of_ids)
77
78#define DECLARE_STUB_ID(x)       x ## _id ,
79#define DECLARE_LAST_STUB_ID(x)  x
80#define STUB_NAME(x)             #x " Runtime1 stub",
81#define LAST_STUB_NAME(x)        #x " Runtime1 stub"
82
83class Runtime1: public AllStatic {
84  friend class VMStructs;
85  friend class ArrayCopyStub;
86
87 public:
88  enum StubID {
89    RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
90  };
91
92  // statistics
93#ifndef PRODUCT
94  static int _resolve_invoke_cnt;
95  static int _handle_wrong_method_cnt;
96  static int _ic_miss_cnt;
97  static int _generic_arraycopy_cnt;
98  static int _generic_arraycopystub_cnt;
99  static int _arraycopy_slowcase_cnt;
100  static int _arraycopy_checkcast_cnt;
101  static int _arraycopy_checkcast_attempt_cnt;
102  static int _new_type_array_slowcase_cnt;
103  static int _new_object_array_slowcase_cnt;
104  static int _new_instance_slowcase_cnt;
105  static int _new_multi_array_slowcase_cnt;
106  static int _monitorenter_slowcase_cnt;
107  static int _monitorexit_slowcase_cnt;
108  static int _patch_code_slowcase_cnt;
109  static int _throw_range_check_exception_count;
110  static int _throw_index_exception_count;
111  static int _throw_div0_exception_count;
112  static int _throw_null_pointer_exception_count;
113  static int _throw_class_cast_exception_count;
114  static int _throw_incompatible_class_change_error_count;
115  static int _throw_array_store_exception_count;
116  static int _throw_count;
117#endif
118
119 private:
120  static CodeBlob* _blobs[number_of_ids];
121  static const char* _blob_names[];
122
123  // stub generation
124  static void       generate_blob_for(BufferBlob* blob, StubID id);
125  static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
126  static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
127  static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
128  static void       generate_unwind_exception(StubAssembler *sasm);
129  static OopMapSet* generate_patching(StubAssembler* sasm, address target);
130
131  static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
132                                       Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
133
134  // runtime entry points
135  static void new_instance    (JavaThread* thread, Klass* klass);
136  static void new_type_array  (JavaThread* thread, Klass* klass, jint length);
137  static void new_object_array(JavaThread* thread, Klass* klass, jint length);
138  static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
139
140  static address counter_overflow(JavaThread* thread, int bci, Method* method);
141
142  static void unimplemented_entry   (JavaThread* thread, StubID id);
143
144  static address exception_handler_for_pc(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* object);
151  static void throw_incompatible_class_change_error(JavaThread* thread);
152  static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
153
154  static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
155  static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
156
157  static void deoptimize(JavaThread* thread, jint trap_request);
158
159  static int access_field_patching(JavaThread* thread);
160  static int move_klass_patching(JavaThread* thread);
161  static int move_mirror_patching(JavaThread* thread);
162  static int move_appendix_patching(JavaThread* thread);
163
164  static void patch_code(JavaThread* thread, StubID stub_id);
165
166 public:
167  // initialization
168  static void initialize(BufferBlob* blob);
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)->code_begin(); }
174  static const char* name_for (StubID id);
175  static const char* name_for_address(address entry);
176
177  // platform might add runtime names.
178  static const char* pd_name_for_address(address entry);
179
180  // method tracing
181  static void trace_block_entry(jint block_id);
182
183#ifndef PRODUCT
184  static address throw_count_address()               { return (address)&_throw_count;             }
185  static address arraycopy_count_address(BasicType type);
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 int  is_instance_of(oopDesc* mirror, oopDesc* obj);
191
192  static void predicate_failed_trap(JavaThread* thread);
193
194  static void print_statistics()                 PRODUCT_RETURN;
195};
196
197#endif // SHARE_VM_C1_C1_RUNTIME1_HPP
198