122
123 void get_constant_pool(Register reg) {
124 get_const(reg);
125 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
126 }
127
128 void get_constant_pool_cache(Register reg) {
129 get_constant_pool(reg);
130 ldr(reg, Address(reg, ConstantPool::cache_offset()));
131 }
132
133 void get_cpool_and_tags(Register cpool, Register tags) {
134 get_constant_pool(cpool);
135 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
136 }
137
138 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
139 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
140 void get_method_counters(Register method, Register mcs, Label& skip);
141
142 // load cpool->resolved_references(index);
143 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
144
145 // load cpool->resolved_klass_at(index);
146 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
147
148 void pop_ptr(Register r = r0);
149 void pop_i(Register r = r0);
150 void pop_l(Register r = r0);
151 void pop_f(FloatRegister r = v0);
152 void pop_d(FloatRegister r = v0);
153 void push_ptr(Register r = r0);
154 void push_i(Register r = r0);
155 void push_l(Register r = r0);
156 void push_f(FloatRegister r = v0);
157 void push_d(FloatRegister r = v0);
158
159 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
160
161 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
166 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
167 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
168
169 void empty_expression_stack() {
170 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
171 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
172 // null last_sp until next java call
173 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
174 }
175
176 // Helpers for swap and dup
177 void load_ptr(int n, Register val);
178 void store_ptr(int n, Register val);
179
180 // Load float value from 'address'. The value is loaded onto the FPU register v0.
181 void load_float(Address src);
182 void load_double(Address src);
183
184 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
185 // a subtype of super_klass.
186 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
187
188 // Dispatching
189 void dispatch_prolog(TosState state, int step = 0);
190 void dispatch_epilog(TosState state, int step = 0);
191 // dispatch via rscratch1
192 void dispatch_only(TosState state, bool generate_poll = false);
193 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
194 void dispatch_only_normal(TosState state);
195 void dispatch_only_noverify(TosState state);
196 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
197 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
198 // load rscratch1 from [esi] and dispatch via rscratch1 and table
199 void dispatch_via (TosState state, address* table);
200
201 // jump to an invoked target
202 void prepare_to_jump_from_interpreted();
203 void jump_from_interpreted(Register method, Register temp);
204
205
206 // Returning from interpreted functions
258 Label& not_equal_continue);
259
260 void record_klass_in_profile(Register receiver, Register mdp,
261 Register reg2);
262 void record_klass_in_profile_helper(Register receiver, Register mdp,
263 Register reg2, int start_row,
264 Label& done);
265 void record_item_in_profile_helper(Register item, Register mdp,
266 Register reg2, int start_row, Label& done, int total_rows,
267 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
268
269 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
270 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
271 void update_mdp_by_constant(Register mdp_in, int constant);
272 void update_mdp_for_ret(Register return_bci);
273
274 // narrow int return value
275 void narrow(Register result);
276
277 void profile_taken_branch(Register mdp, Register bumped_count);
278 void profile_not_taken_branch(Register mdp);
279 void profile_call(Register mdp);
280 void profile_final_call(Register mdp);
281 void profile_virtual_call(Register receiver, Register mdp,
282 Register scratch2,
283 bool receiver_can_be_null = false);
284 void profile_ret(Register return_bci, Register mdp);
285 void profile_null_seen(Register mdp);
286 void profile_typecheck(Register mdp, Register klass, Register scratch);
287 void profile_typecheck_failed(Register mdp);
288 void profile_switch_default(Register mdp);
289 void profile_switch_case(Register index_in_scratch, Register mdp,
290 Register scratch2);
291
292 void profile_obj_type(Register obj, const Address& mdo_addr);
293 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
294 void profile_return_type(Register mdp, Register ret, Register tmp);
295 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
296
297 // Debugging
298 // only if +VerifyOops && state == atos
299 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
300 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
301 // only if +VerifyFPU && (state == ftos || state == dtos)
302 void verify_FPU(int stack_depth, TosState state = ftos);
303
304 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
305
306 // support for jvmti/dtrace
307 void notify_method_entry();
308 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
309
310 virtual void _call_Unimplemented(address call_site) {
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122
123 void get_constant_pool(Register reg) {
124 get_const(reg);
125 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
126 }
127
128 void get_constant_pool_cache(Register reg) {
129 get_constant_pool(reg);
130 ldr(reg, Address(reg, ConstantPool::cache_offset()));
131 }
132
133 void get_cpool_and_tags(Register cpool, Register tags) {
134 get_constant_pool(cpool);
135 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
136 }
137
138 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
139 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
140 void get_method_counters(Register method, Register mcs, Label& skip);
141
142 // Kills t1 and t2, perserves klass, return allocation in new_obj
143 void allocate_instance(Register klass, Register new_obj,
144 Register t1, Register t2,
145 bool clear_fields, Label& alloc_failed);
146
147 // Allocate instance in "obj" and read in the content of the inline field
148 // NOTES:
149 // - input holder object via "obj", which must be r0,
150 // will return new instance via the same reg
151 // - assumes holder_klass and valueKlass field klass have both been resolved
152 void read_flat_field(Register holder_klass,
153 Register field_index, Register field_offset,
154 Register temp, Register obj = r0);
155
156 // Allocate value buffer in "obj" and read in flat element at the given index
157 // NOTES:
158 // - Return via "obj" must be r0
159 // - kills all given regs
160 void read_flat_element(Register array, Register index,
161 Register t1, Register t2,
162 Register obj = r0);
163
164 // load cpool->resolved_references(index);
165 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
166
167 // load cpool->resolved_klass_at(index);
168 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
169
170 void pop_ptr(Register r = r0);
171 void pop_i(Register r = r0);
172 void pop_l(Register r = r0);
173 void pop_f(FloatRegister r = v0);
174 void pop_d(FloatRegister r = v0);
175 void push_ptr(Register r = r0);
176 void push_i(Register r = r0);
177 void push_l(Register r = r0);
178 void push_f(FloatRegister r = v0);
179 void push_d(FloatRegister r = v0);
180
181 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
182
183 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
188 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
189 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
190
191 void empty_expression_stack() {
192 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
193 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
194 // null last_sp until next java call
195 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
196 }
197
198 // Helpers for swap and dup
199 void load_ptr(int n, Register val);
200 void store_ptr(int n, Register val);
201
202 // Load float value from 'address'. The value is loaded onto the FPU register v0.
203 void load_float(Address src);
204 void load_double(Address src);
205
206 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
207 // a subtype of super_klass.
208 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype, bool profile = true);
209
210 // Dispatching
211 void dispatch_prolog(TosState state, int step = 0);
212 void dispatch_epilog(TosState state, int step = 0);
213 // dispatch via rscratch1
214 void dispatch_only(TosState state, bool generate_poll = false);
215 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
216 void dispatch_only_normal(TosState state);
217 void dispatch_only_noverify(TosState state);
218 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
219 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
220 // load rscratch1 from [esi] and dispatch via rscratch1 and table
221 void dispatch_via (TosState state, address* table);
222
223 // jump to an invoked target
224 void prepare_to_jump_from_interpreted();
225 void jump_from_interpreted(Register method, Register temp);
226
227
228 // Returning from interpreted functions
280 Label& not_equal_continue);
281
282 void record_klass_in_profile(Register receiver, Register mdp,
283 Register reg2);
284 void record_klass_in_profile_helper(Register receiver, Register mdp,
285 Register reg2, int start_row,
286 Label& done);
287 void record_item_in_profile_helper(Register item, Register mdp,
288 Register reg2, int start_row, Label& done, int total_rows,
289 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
290
291 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
292 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
293 void update_mdp_by_constant(Register mdp_in, int constant);
294 void update_mdp_for_ret(Register return_bci);
295
296 // narrow int return value
297 void narrow(Register result);
298
299 void profile_taken_branch(Register mdp, Register bumped_count);
300 void profile_not_taken_branch(Register mdp, bool acmp = false);
301 void profile_call(Register mdp);
302 void profile_final_call(Register mdp);
303 void profile_virtual_call(Register receiver, Register mdp,
304 Register scratch2,
305 bool receiver_can_be_null = false);
306 void profile_ret(Register return_bci, Register mdp);
307 void profile_null_seen(Register mdp);
308 void profile_typecheck(Register mdp, Register klass, Register scratch);
309 void profile_typecheck_failed(Register mdp);
310 void profile_switch_default(Register mdp);
311 void profile_switch_case(Register index_in_scratch, Register mdp,
312 Register scratch2);
313 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
314 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
315 void profile_element_type(Register mdp, Register element, Register tmp);
316 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
317
318 void profile_obj_type(Register obj, const Address& mdo_addr);
319 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
320 void profile_return_type(Register mdp, Register ret, Register tmp);
321 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
322
323 // Debugging
324 // only if +VerifyOops && state == atos
325 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
326 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
327 // only if +VerifyFPU && (state == ftos || state == dtos)
328 void verify_FPU(int stack_depth, TosState state = ftos);
329
330 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
331
332 // support for jvmti/dtrace
333 void notify_method_entry();
334 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
335
336 virtual void _call_Unimplemented(address call_site) {
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