93 friend class VMStructs;
94 friend class ArrayCopyStub;
95
96 public:
97 enum StubID {
98 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
99 };
100
101 // statistics
102 #ifndef PRODUCT
103 static int _resolve_invoke_cnt;
104 static int _handle_wrong_method_cnt;
105 static int _ic_miss_cnt;
106 static int _generic_arraycopy_cnt;
107 static int _generic_arraycopystub_cnt;
108 static int _arraycopy_slowcase_cnt;
109 static int _arraycopy_checkcast_cnt;
110 static int _arraycopy_checkcast_attempt_cnt;
111 static int _new_type_array_slowcase_cnt;
112 static int _new_object_array_slowcase_cnt;
113 static int _new_instance_slowcase_cnt;
114 static int _new_multi_array_slowcase_cnt;
115 static int _load_flattened_array_slowcase_cnt;
116 static int _store_flattened_array_slowcase_cnt;
117 static int _buffer_value_args_slowcase_cnt;
118 static int _buffer_value_args_no_receiver_slowcase_cnt;
119 static int _monitorenter_slowcase_cnt;
120 static int _monitorexit_slowcase_cnt;
121 static int _patch_code_slowcase_cnt;
122 static int _throw_range_check_exception_count;
123 static int _throw_index_exception_count;
124 static int _throw_div0_exception_count;
125 static int _throw_null_pointer_exception_count;
126 static int _throw_class_cast_exception_count;
127 static int _throw_incompatible_class_change_error_count;
128 static int _throw_illegal_monitor_state_exception_count;
129 static int _throw_array_store_exception_count;
130 static int _throw_count;
131 #endif
132
136 static void buffer_value_args_impl(JavaThread* thread, Method* m, bool allocate_receiver);
137
138 // stub generation
139 public:
140 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
141 static void generate_blob_for(BufferBlob* blob, StubID id);
142 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
143 private:
144 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
145 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
146 static void generate_unwind_exception(StubAssembler *sasm);
147 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
148
149 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
150 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
151
152 // runtime entry points
153 static void new_instance (JavaThread* thread, Klass* klass);
154 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
155 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
156 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
157 static void load_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index);
158 static void store_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index, oopDesc* value);
159 static void buffer_value_args(JavaThread* thread, Method* method);
160 static void buffer_value_args_no_receiver(JavaThread* thread, Method* method);
161
162 static address counter_overflow(JavaThread* thread, int bci, Method* method);
163
164 static void unimplemented_entry (JavaThread* thread, StubID id);
165
166 static address exception_handler_for_pc(JavaThread* thread);
167
168 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
169 static void throw_index_exception(JavaThread* thread, int index);
170 static void throw_div0_exception(JavaThread* thread);
171 static void throw_null_pointer_exception(JavaThread* thread);
172 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
173 static void throw_incompatible_class_change_error(JavaThread* thread);
174 static void throw_illegal_monitor_state_exception(JavaThread* thread);
175 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
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93 friend class VMStructs;
94 friend class ArrayCopyStub;
95
96 public:
97 enum StubID {
98 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
99 };
100
101 // statistics
102 #ifndef PRODUCT
103 static int _resolve_invoke_cnt;
104 static int _handle_wrong_method_cnt;
105 static int _ic_miss_cnt;
106 static int _generic_arraycopy_cnt;
107 static int _generic_arraycopystub_cnt;
108 static int _arraycopy_slowcase_cnt;
109 static int _arraycopy_checkcast_cnt;
110 static int _arraycopy_checkcast_attempt_cnt;
111 static int _new_type_array_slowcase_cnt;
112 static int _new_object_array_slowcase_cnt;
113 static int _new_value_array_slowcase_cnt;
114 static int _new_instance_slowcase_cnt;
115 static int _new_multi_array_slowcase_cnt;
116 static int _load_flattened_array_slowcase_cnt;
117 static int _store_flattened_array_slowcase_cnt;
118 static int _buffer_value_args_slowcase_cnt;
119 static int _buffer_value_args_no_receiver_slowcase_cnt;
120 static int _monitorenter_slowcase_cnt;
121 static int _monitorexit_slowcase_cnt;
122 static int _patch_code_slowcase_cnt;
123 static int _throw_range_check_exception_count;
124 static int _throw_index_exception_count;
125 static int _throw_div0_exception_count;
126 static int _throw_null_pointer_exception_count;
127 static int _throw_class_cast_exception_count;
128 static int _throw_incompatible_class_change_error_count;
129 static int _throw_illegal_monitor_state_exception_count;
130 static int _throw_array_store_exception_count;
131 static int _throw_count;
132 #endif
133
137 static void buffer_value_args_impl(JavaThread* thread, Method* m, bool allocate_receiver);
138
139 // stub generation
140 public:
141 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
142 static void generate_blob_for(BufferBlob* blob, StubID id);
143 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
144 private:
145 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
146 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
147 static void generate_unwind_exception(StubAssembler *sasm);
148 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
149
150 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
151 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
152
153 // runtime entry points
154 static void new_instance (JavaThread* thread, Klass* klass);
155 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
156 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
157 static void new_value_array (JavaThread* thread, Klass* klass, jint length);
158 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
159 static void load_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index);
160 static void store_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index, oopDesc* value);
161 static void buffer_value_args(JavaThread* thread, Method* method);
162 static void buffer_value_args_no_receiver(JavaThread* thread, Method* method);
163
164 static address counter_overflow(JavaThread* thread, int bci, Method* method);
165
166 static void unimplemented_entry (JavaThread* thread, StubID id);
167
168 static address exception_handler_for_pc(JavaThread* thread);
169
170 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
171 static void throw_index_exception(JavaThread* thread, int index);
172 static void throw_div0_exception(JavaThread* thread);
173 static void throw_null_pointer_exception(JavaThread* thread);
174 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
175 static void throw_incompatible_class_change_error(JavaThread* thread);
176 static void throw_illegal_monitor_state_exception(JavaThread* thread);
177 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
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