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_value_array) \
55 stub(new_multi_array) \
56 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
57 stub(handle_exception) \
58 stub(handle_exception_from_callee) \
59 stub(throw_array_store_exception) \
60 stub(throw_class_cast_exception) \
61 stub(throw_incompatible_class_change_error) \
62 stub(slow_subtype_check) \
63 stub(monitorenter) \
64 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
65 stub(monitorexit) \
66 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
67 stub(deoptimize) \
68 stub(access_field_patching) \
69 stub(load_klass_patching) \
70 stub(load_mirror_patching) \
71 stub(load_appendix_patching) \
72 stub(fpu2long_stub) \
73 stub(counter_overflow) \
74 stub(predicate_failed_trap) \
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
99 static int _handle_wrong_method_cnt;
100 static int _ic_miss_cnt;
101 static int _generic_arraycopy_cnt;
102 static int _generic_arraycopystub_cnt;
103 static int _arraycopy_slowcase_cnt;
104 static int _arraycopy_checkcast_cnt;
105 static int _arraycopy_checkcast_attempt_cnt;
106 static int _new_type_array_slowcase_cnt;
107 static int _new_object_array_slowcase_cnt;
108 static int _new_instance_slowcase_cnt;
109 static int _new_multi_array_slowcase_cnt;
110 static int _monitorenter_slowcase_cnt;
111 static int _monitorexit_slowcase_cnt;
112 static int _patch_code_slowcase_cnt;
113 static int _throw_range_check_exception_count;
114 static int _throw_index_exception_count;
115 static int _throw_div0_exception_count;
116 static int _throw_null_pointer_exception_count;
117 static int _throw_class_cast_exception_count;
118 static int _throw_incompatible_class_change_error_count;
119 static int _throw_array_store_exception_count;
120 static int _throw_count;
121 #endif
122
123 private:
124 static CodeBlob* _blobs[number_of_ids];
125 static const char* _blob_names[];
126
127 // stub generation
128 public:
129 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
130 static void generate_blob_for(BufferBlob* blob, StubID id);
131 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
132 private:
133 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
134 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
135 static void generate_unwind_exception(StubAssembler *sasm);
136 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
137
138 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
139 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
140
141 // runtime entry points
142 static void new_instance (JavaThread* thread, Klass* klass);
143 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
144 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
145 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
146
147 static address counter_overflow(JavaThread* thread, int bci, Method* method);
148
149 static void unimplemented_entry (JavaThread* thread, StubID id);
150
151 static address exception_handler_for_pc(JavaThread* thread);
152
153 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
154 static void throw_index_exception(JavaThread* thread, int index);
155 static void throw_div0_exception(JavaThread* thread);
156 static void throw_null_pointer_exception(JavaThread* thread);
157 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
158 static void throw_incompatible_class_change_error(JavaThread* thread);
159 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
160
161 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
162 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
163
164 static void deoptimize(JavaThread* thread, jint trap_request);
165
166 static int access_field_patching(JavaThread* thread);
167 static int move_klass_patching(JavaThread* thread);
168 static int move_mirror_patching(JavaThread* thread);
169 static int move_appendix_patching(JavaThread* thread);
170
171 static void patch_code(JavaThread* thread, StubID stub_id);
172
173 public:
174 // initialization
175 static void initialize(BufferBlob* blob);
176 static void initialize_pd();
177
178 // stubs
|
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_value_array) \
55 stub(new_multi_array) \
56 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
57 stub(handle_exception) \
58 stub(handle_exception_from_callee) \
59 stub(throw_array_store_exception) \
60 stub(throw_class_cast_exception) \
61 stub(throw_incompatible_class_change_error) \
62 stub(throw_illegal_monitor_state_exception) \
63 stub(slow_subtype_check) \
64 stub(monitorenter) \
65 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
66 stub(monitorexit) \
67 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
68 stub(deoptimize) \
69 stub(access_field_patching) \
70 stub(load_klass_patching) \
71 stub(load_mirror_patching) \
72 stub(load_appendix_patching) \
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
100 static int _handle_wrong_method_cnt;
101 static int _ic_miss_cnt;
102 static int _generic_arraycopy_cnt;
103 static int _generic_arraycopystub_cnt;
104 static int _arraycopy_slowcase_cnt;
105 static int _arraycopy_checkcast_cnt;
106 static int _arraycopy_checkcast_attempt_cnt;
107 static int _new_type_array_slowcase_cnt;
108 static int _new_object_array_slowcase_cnt;
109 static int _new_instance_slowcase_cnt;
110 static int _new_multi_array_slowcase_cnt;
111 static int _monitorenter_slowcase_cnt;
112 static int _monitorexit_slowcase_cnt;
113 static int _patch_code_slowcase_cnt;
114 static int _throw_range_check_exception_count;
115 static int _throw_index_exception_count;
116 static int _throw_div0_exception_count;
117 static int _throw_null_pointer_exception_count;
118 static int _throw_class_cast_exception_count;
119 static int _throw_incompatible_class_change_error_count;
120 static int _throw_illegal_monitor_state_exception_count;
121 static int _throw_array_store_exception_count;
122 static int _throw_count;
123 #endif
124
125 private:
126 static CodeBlob* _blobs[number_of_ids];
127 static const char* _blob_names[];
128
129 // stub generation
130 public:
131 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
132 static void generate_blob_for(BufferBlob* blob, StubID id);
133 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
134 private:
135 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
136 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
137 static void generate_unwind_exception(StubAssembler *sasm);
138 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
139
140 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
141 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
142
143 // runtime entry points
144 static void new_instance (JavaThread* thread, Klass* klass);
145 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
146 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
147 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
148
149 static address counter_overflow(JavaThread* thread, int bci, Method* method);
150
151 static void unimplemented_entry (JavaThread* thread, StubID id);
152
153 static address exception_handler_for_pc(JavaThread* thread);
154
155 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
156 static void throw_index_exception(JavaThread* thread, int index);
157 static void throw_div0_exception(JavaThread* thread);
158 static void throw_null_pointer_exception(JavaThread* thread);
159 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
160 static void throw_incompatible_class_change_error(JavaThread* thread);
161 static void throw_illegal_monitor_state_exception(JavaThread* thread);
162 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
163
164 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
165 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
166
167 static void deoptimize(JavaThread* thread, jint trap_request);
168
169 static int access_field_patching(JavaThread* thread);
170 static int move_klass_patching(JavaThread* thread);
171 static int move_mirror_patching(JavaThread* thread);
172 static int move_appendix_patching(JavaThread* thread);
173
174 static void patch_code(JavaThread* thread, StubID stub_id);
175
176 public:
177 // initialization
178 static void initialize(BufferBlob* blob);
179 static void initialize_pd();
180
181 // stubs
|