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src/hotspot/share/c1/c1_Runtime1.hpp

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 30 #include "interpreter/interpreter.hpp"
 31 #include "memory/allocation.hpp"
 32 #include "runtime/deoptimization.hpp"
 33 
 34 class 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(fpu2long_stub)                \
 72   stub(counter_overflow)             \
 73   stub(predicate_failed_trap)        \
 74   last_entry(number_of_ids)
 75 
 76 #define DECLARE_STUB_ID(x)       x ## _id ,
 77 #define DECLARE_LAST_STUB_ID(x)  x
 78 #define STUB_NAME(x)             #x " Runtime1 stub",
 79 #define LAST_STUB_NAME(x)        #x " Runtime1 stub"
 80 

 83   virtual OopMapSet* generate_code(StubAssembler* sasm) = 0;
 84 };
 85 
 86 class Runtime1: public AllStatic {
 87   friend class VMStructs;
 88   friend class ArrayCopyStub;
 89 
 90  public:
 91   enum StubID {
 92     RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
 93   };
 94 
 95   // statistics
 96 #ifndef PRODUCT
 97   static int _generic_arraycopystub_cnt;
 98   static int _arraycopy_slowcase_cnt;
 99   static int _arraycopy_checkcast_cnt;
100   static int _arraycopy_checkcast_attempt_cnt;
101   static int _new_type_array_slowcase_cnt;
102   static int _new_object_array_slowcase_cnt;

103   static int _new_instance_slowcase_cnt;
104   static int _new_multi_array_slowcase_cnt;





105   static int _monitorenter_slowcase_cnt;
106   static int _monitorexit_slowcase_cnt;
107   static int _patch_code_slowcase_cnt;
108   static int _throw_range_check_exception_count;
109   static int _throw_index_exception_count;
110   static int _throw_div0_exception_count;
111   static int _throw_null_pointer_exception_count;
112   static int _throw_class_cast_exception_count;
113   static int _throw_incompatible_class_change_error_count;

114   static int _throw_count;
115 #endif
116 
117  private:
118   static CodeBlob* _blobs[number_of_ids];
119   static const char* _blob_names[];

120 
121   // stub generation
122  public:
123   static CodeBlob*  generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
124   static void       generate_blob_for(BufferBlob* blob, StubID id);
125   static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
126  private:
127   static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
128   static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
129   static void       generate_unwind_exception(StubAssembler *sasm);
130   static OopMapSet* generate_patching(StubAssembler* sasm, address target);
131 
132   static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
133                                        Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
134 
135   // runtime entry points
136   static void new_instance    (JavaThread* current, Klass* klass);

137   static void new_type_array  (JavaThread* current, Klass* klass, jint length);
138   static void new_object_array(JavaThread* current, Klass* klass, jint length);

139   static void new_multi_array (JavaThread* current, Klass* klass, int rank, jint* dims);





140 
141   static address counter_overflow(JavaThread* current, int bci, Method* method);
142 
143   static void unimplemented_entry(JavaThread* current, StubID id);
144 
145   static address exception_handler_for_pc(JavaThread* current);
146 
147   static void throw_range_check_exception(JavaThread* current, int index, arrayOopDesc* a);
148   static void throw_index_exception(JavaThread* current, int index);
149   static void throw_div0_exception(JavaThread* current);
150   static void throw_null_pointer_exception(JavaThread* current);
151   static void throw_class_cast_exception(JavaThread* current, oopDesc* object);
152   static void throw_incompatible_class_change_error(JavaThread* current);

153   static void throw_array_store_exception(JavaThread* current, oopDesc* object);
154 
155   static void monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock);
156   static void monitorexit (JavaThread* current, BasicObjectLock* lock);
157 
158   static void deoptimize(JavaThread* current, jint trap_request);
159 
160   static int access_field_patching(JavaThread* current);
161   static int move_klass_patching(JavaThread* current);
162   static int move_mirror_patching(JavaThread* current);
163   static int move_appendix_patching(JavaThread* current);
164 
165   static void patch_code(JavaThread* current, StubID stub_id);
166 
167  public:
168   // initialization
169   static void initialize(BufferBlob* blob);
170   static void initialize_pd();
171 
172   // stubs

 30 #include "interpreter/interpreter.hpp"
 31 #include "memory/allocation.hpp"
 32 #include "runtime/deoptimization.hpp"
 33 
 34 class 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(new_instance_no_inline)       \
 51   stub(fast_new_instance)            \
 52   stub(fast_new_instance_init_check) \
 53   stub(new_type_array)               \
 54   stub(new_object_array)             \
 55   stub(new_flat_array)               \
 56   stub(new_multi_array)              \
 57   stub(load_flattened_array)         \
 58   stub(store_flattened_array)        \
 59   stub(substitutability_check)       \
 60   stub(buffer_inline_args)           \
 61   stub(buffer_inline_args_no_receiver)\
 62   stub(handle_exception_nofpu)         /* optimized version that does not preserve fpu registers */ \
 63   stub(handle_exception)             \
 64   stub(handle_exception_from_callee) \
 65   stub(throw_array_store_exception)  \
 66   stub(throw_class_cast_exception)   \
 67   stub(throw_incompatible_class_change_error)   \
 68   stub(throw_illegal_monitor_state_exception)   \
 69   stub(slow_subtype_check)           \
 70   stub(monitorenter)                 \
 71   stub(monitorenter_nofpu)             /* optimized version that does not preserve fpu registers */ \
 72   stub(monitorexit)                  \
 73   stub(monitorexit_nofpu)              /* optimized version that does not preserve fpu registers */ \
 74   stub(deoptimize)                   \
 75   stub(access_field_patching)        \
 76   stub(load_klass_patching)          \
 77   stub(load_mirror_patching)         \
 78   stub(load_appendix_patching)       \
 79   stub(fpu2long_stub)                \
 80   stub(counter_overflow)             \
 81   stub(predicate_failed_trap)        \
 82   last_entry(number_of_ids)
 83 
 84 #define DECLARE_STUB_ID(x)       x ## _id ,
 85 #define DECLARE_LAST_STUB_ID(x)  x
 86 #define STUB_NAME(x)             #x " Runtime1 stub",
 87 #define LAST_STUB_NAME(x)        #x " Runtime1 stub"
 88 

 91   virtual OopMapSet* generate_code(StubAssembler* sasm) = 0;
 92 };
 93 
 94 class Runtime1: public AllStatic {
 95   friend class VMStructs;
 96   friend class ArrayCopyStub;
 97 
 98  public:
 99   enum StubID {
100     RUNTIME1_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
101   };
102 
103   // statistics
104 #ifndef PRODUCT
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_flat_array_slowcase_cnt;
112   static int _new_instance_slowcase_cnt;
113   static int _new_multi_array_slowcase_cnt;
114   static int _load_flattened_array_slowcase_cnt;
115   static int _store_flattened_array_slowcase_cnt;
116   static int _substitutability_check_slowcase_cnt;
117   static int _buffer_inline_args_slowcase_cnt;
118   static int _buffer_inline_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_count;
130 #endif
131 
132  private:
133   static CodeBlob* _blobs[number_of_ids];
134   static const char* _blob_names[];
135   static void buffer_inline_args_impl(JavaThread* current, Method* m, bool allocate_receiver);
136 
137   // stub generation
138  public:
139   static CodeBlob*  generate_blob(BufferBlob* buffer_blob, int stub_id, const char* name, bool expect_oop_map, StubAssemblerCodeGenClosure *cl);
140   static void       generate_blob_for(BufferBlob* blob, StubID id);
141   static OopMapSet* generate_code_for(StubID id, StubAssembler* sasm);
142  private:
143   static OopMapSet* generate_exception_throw(StubAssembler* sasm, address target, bool has_argument);
144   static OopMapSet* generate_handle_exception(StubID id, StubAssembler* sasm);
145   static void       generate_unwind_exception(StubAssembler *sasm);
146   static OopMapSet* generate_patching(StubAssembler* sasm, address target);
147 
148   static OopMapSet* generate_stub_call(StubAssembler* sasm, Register result, address entry,
149                                        Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
150 
151   // runtime entry points
152   static void new_instance    (JavaThread* current, Klass* klass);
153   static void new_instance_no_inline(JavaThread* current, Klass* klass);
154   static void new_type_array  (JavaThread* current, Klass* klass, jint length);
155   static void new_object_array(JavaThread* current, Klass* klass, jint length);
156   static void new_flat_array (JavaThread* current, Klass* klass, jint length);
157   static void new_multi_array (JavaThread* current, Klass* klass, int rank, jint* dims);
158   static void load_flattened_array(JavaThread* current, flatArrayOopDesc* array, int index);
159   static void store_flattened_array(JavaThread* current, flatArrayOopDesc* array, int index, oopDesc* value);
160   static int  substitutability_check(JavaThread* current, oopDesc* left, oopDesc* right);
161   static void buffer_inline_args(JavaThread* current, Method* method);
162   static void buffer_inline_args_no_receiver(JavaThread* current, Method* method);
163 
164   static address counter_overflow(JavaThread* current, int bci, Method* method);
165 
166   static void unimplemented_entry(JavaThread* current, StubID id);
167 
168   static address exception_handler_for_pc(JavaThread* current);
169 
170   static void throw_range_check_exception(JavaThread* current, int index, arrayOopDesc* a);
171   static void throw_index_exception(JavaThread* current, int index);
172   static void throw_div0_exception(JavaThread* current);
173   static void throw_null_pointer_exception(JavaThread* current);
174   static void throw_class_cast_exception(JavaThread* current, oopDesc* object);
175   static void throw_incompatible_class_change_error(JavaThread* current);
176   static void throw_illegal_monitor_state_exception(JavaThread* current);
177   static void throw_array_store_exception(JavaThread* current, oopDesc* object);
178 
179   static void monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock);
180   static void monitorexit (JavaThread* current, BasicObjectLock* lock);
181 
182   static void deoptimize(JavaThread* current, jint trap_request);
183 
184   static int access_field_patching(JavaThread* current);
185   static int move_klass_patching(JavaThread* current);
186   static int move_mirror_patching(JavaThread* current);
187   static int move_appendix_patching(JavaThread* current);
188 
189   static void patch_code(JavaThread* current, StubID stub_id);
190 
191  public:
192   // initialization
193   static void initialize(BufferBlob* blob);
194   static void initialize_pd();
195 
196   // stubs
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