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_value_array) \
55 stub(new_multi_array) \
56 stub(load_flattened_array) \
57 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
58 stub(handle_exception) \
59 stub(handle_exception_from_callee) \
60 stub(throw_array_store_exception) \
61 stub(throw_class_cast_exception) \
62 stub(throw_incompatible_class_change_error) \
63 stub(throw_illegal_monitor_state_exception) \
64 stub(slow_subtype_check) \
65 stub(monitorenter) \
66 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
67 stub(monitorexit) \
68 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
69 stub(deoptimize) \
70 stub(access_field_patching) \
71 stub(load_klass_patching) \
72 stub(load_mirror_patching) \
73 stub(load_appendix_patching) \
74 stub(fpu2long_stub) \
75 stub(counter_overflow) \
76 stub(predicate_failed_trap) \
93 public:
94 enum StubID {
95 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
96 };
97
98 // statistics
99 #ifndef PRODUCT
100 static int _resolve_invoke_cnt;
101 static int _handle_wrong_method_cnt;
102 static int _ic_miss_cnt;
103 static int _generic_arraycopy_cnt;
104 static int _generic_arraycopystub_cnt;
105 static int _arraycopy_slowcase_cnt;
106 static int _arraycopy_checkcast_cnt;
107 static int _arraycopy_checkcast_attempt_cnt;
108 static int _new_type_array_slowcase_cnt;
109 static int _new_object_array_slowcase_cnt;
110 static int _new_instance_slowcase_cnt;
111 static int _new_multi_array_slowcase_cnt;
112 static int _load_flattened_array_slowcase_cnt;
113 static int _monitorenter_slowcase_cnt;
114 static int _monitorexit_slowcase_cnt;
115 static int _patch_code_slowcase_cnt;
116 static int _throw_range_check_exception_count;
117 static int _throw_index_exception_count;
118 static int _throw_div0_exception_count;
119 static int _throw_null_pointer_exception_count;
120 static int _throw_class_cast_exception_count;
121 static int _throw_incompatible_class_change_error_count;
122 static int _throw_illegal_monitor_state_exception_count;
123 static int _throw_array_store_exception_count;
124 static int _throw_count;
125 #endif
126
127 private:
128 static CodeBlob* _blobs[number_of_ids];
129 static const char* _blob_names[];
130
131 // stub generation
132 public:
133 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
134 static void generate_blob_for(BufferBlob* blob, StubID id);
135 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
136 private:
137 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
138 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
139 static void generate_unwind_exception(StubAssembler *sasm);
140 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
141
142 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
143 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
144
145 // runtime entry points
146 static void new_instance (JavaThread* thread, Klass* klass);
147 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
148 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
149 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
150 static void load_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index);
151
152 static address counter_overflow(JavaThread* thread, int bci, Method* method);
153
154 static void unimplemented_entry (JavaThread* thread, StubID id);
155
156 static address exception_handler_for_pc(JavaThread* thread);
157
158 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
159 static void throw_index_exception(JavaThread* thread, int index);
160 static void throw_div0_exception(JavaThread* thread);
161 static void throw_null_pointer_exception(JavaThread* thread);
162 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
163 static void throw_incompatible_class_change_error(JavaThread* thread);
164 static void throw_illegal_monitor_state_exception(JavaThread* thread);
165 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
166
167 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
168 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
169
170 static void deoptimize(JavaThread* thread, jint trap_request);
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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_value_array) \
55 stub(new_multi_array) \
56 stub(load_flattened_array) \
57 stub(store_flattened_array) \
58 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
59 stub(handle_exception) \
60 stub(handle_exception_from_callee) \
61 stub(throw_array_store_exception) \
62 stub(throw_class_cast_exception) \
63 stub(throw_incompatible_class_change_error) \
64 stub(throw_illegal_monitor_state_exception) \
65 stub(slow_subtype_check) \
66 stub(monitorenter) \
67 stub(monitorenter_nofpu) /* optimized version that does not preserve fpu registers */ \
68 stub(monitorexit) \
69 stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \
70 stub(deoptimize) \
71 stub(access_field_patching) \
72 stub(load_klass_patching) \
73 stub(load_mirror_patching) \
74 stub(load_appendix_patching) \
75 stub(fpu2long_stub) \
76 stub(counter_overflow) \
77 stub(predicate_failed_trap) \
94 public:
95 enum StubID {
96 RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
97 };
98
99 // statistics
100 #ifndef PRODUCT
101 static int _resolve_invoke_cnt;
102 static int _handle_wrong_method_cnt;
103 static int _ic_miss_cnt;
104 static int _generic_arraycopy_cnt;
105 static int _generic_arraycopystub_cnt;
106 static int _arraycopy_slowcase_cnt;
107 static int _arraycopy_checkcast_cnt;
108 static int _arraycopy_checkcast_attempt_cnt;
109 static int _new_type_array_slowcase_cnt;
110 static int _new_object_array_slowcase_cnt;
111 static int _new_instance_slowcase_cnt;
112 static int _new_multi_array_slowcase_cnt;
113 static int _load_flattened_array_slowcase_cnt;
114 static int _store_flattened_array_slowcase_cnt;
115 static int _monitorenter_slowcase_cnt;
116 static int _monitorexit_slowcase_cnt;
117 static int _patch_code_slowcase_cnt;
118 static int _throw_range_check_exception_count;
119 static int _throw_index_exception_count;
120 static int _throw_div0_exception_count;
121 static int _throw_null_pointer_exception_count;
122 static int _throw_class_cast_exception_count;
123 static int _throw_incompatible_class_change_error_count;
124 static int _throw_illegal_monitor_state_exception_count;
125 static int _throw_array_store_exception_count;
126 static int _throw_count;
127 #endif
128
129 private:
130 static CodeBlob* _blobs[number_of_ids];
131 static const char* _blob_names[];
132
133 // stub generation
134 public:
135 static CodeBlob* generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
136 static void generate_blob_for(BufferBlob* blob, StubID id);
137 static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
138 private:
139 static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
140 static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
141 static void generate_unwind_exception(StubAssembler *sasm);
142 static OopMapSet* generate_patching(StubAssembler* sasm, address target);
143
144 static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
145 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
146
147 // runtime entry points
148 static void new_instance (JavaThread* thread, Klass* klass);
149 static void new_type_array (JavaThread* thread, Klass* klass, jint length);
150 static void new_object_array(JavaThread* thread, Klass* klass, jint length);
151 static void new_multi_array (JavaThread* thread, Klass* klass, int rank, jint* dims);
152 static void load_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index);
153 static void store_flattened_array(JavaThread* thread, valueArrayOopDesc* array, int index, oopDesc* value);
154
155 static address counter_overflow(JavaThread* thread, int bci, Method* method);
156
157 static void unimplemented_entry (JavaThread* thread, StubID id);
158
159 static address exception_handler_for_pc(JavaThread* thread);
160
161 static void throw_range_check_exception(JavaThread* thread, int index, arrayOopDesc* a);
162 static void throw_index_exception(JavaThread* thread, int index);
163 static void throw_div0_exception(JavaThread* thread);
164 static void throw_null_pointer_exception(JavaThread* thread);
165 static void throw_class_cast_exception(JavaThread* thread, oopDesc* object);
166 static void throw_incompatible_class_change_error(JavaThread* thread);
167 static void throw_illegal_monitor_state_exception(JavaThread* thread);
168 static void throw_array_store_exception(JavaThread* thread, oopDesc* object);
169
170 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicObjectLock* lock);
171 static void monitorexit (JavaThread* thread, BasicObjectLock* lock);
172
173 static void deoptimize(JavaThread* thread, jint trap_request);
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