141
142 void get_constant_pool(Register reg) {
143 get_const(reg);
144 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
145 }
146
147 void get_constant_pool_cache(Register reg) {
148 get_constant_pool(reg);
149 ldr(reg, Address(reg, ConstantPool::cache_offset()));
150 }
151
152 void get_cpool_and_tags(Register cpool, Register tags) {
153 get_constant_pool(cpool);
154 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
155 }
156
157 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
158 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
159 void get_method_counters(Register method, Register mcs, Label& skip);
160
161 // load cpool->resolved_references(index);
162 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
163
164 // load cpool->resolved_klass_at(index);
165 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
166
167 void pop_ptr(Register r = r0);
168 void pop_i(Register r = r0);
169 void pop_l(Register r = r0);
170 void pop_f(FloatRegister r = v0);
171 void pop_d(FloatRegister r = v0);
172 void push_ptr(Register r = r0);
173 void push_i(Register r = r0);
174 void push_l(Register r = r0);
175 void push_f(FloatRegister r = v0);
176 void push_d(FloatRegister r = v0);
177
178 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
179
180 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
185 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
186 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
187
188 void empty_expression_stack() {
189 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
190 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
191 // null last_sp until next java call
192 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
193 }
194
195 // Helpers for swap and dup
196 void load_ptr(int n, Register val);
197 void store_ptr(int n, Register val);
198
199 // Load float value from 'address'. The value is loaded onto the FPU register v0.
200 void load_float(Address src);
201 void load_double(Address src);
202
203 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
204 // a subtype of super_klass.
205 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
206
207 // Dispatching
208 void dispatch_prolog(TosState state, int step = 0);
209 void dispatch_epilog(TosState state, int step = 0);
210 // dispatch via rscratch1
211 void dispatch_only(TosState state, bool generate_poll = false);
212 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
213 void dispatch_only_normal(TosState state);
214 void dispatch_only_noverify(TosState state);
215 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
216 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
217 // load rscratch1 from [esi] and dispatch via rscratch1 and table
218 void dispatch_via (TosState state, address* table);
219
220 // jump to an invoked target
221 void prepare_to_jump_from_interpreted();
222 void jump_from_interpreted(Register method, Register temp);
223
224
225 // Returning from interpreted functions
274 Label& not_equal_continue);
275
276 void record_klass_in_profile(Register receiver, Register mdp,
277 Register reg2);
278 void record_klass_in_profile_helper(Register receiver, Register mdp,
279 Register reg2, int start_row,
280 Label& done);
281 void record_item_in_profile_helper(Register item, Register mdp,
282 Register reg2, int start_row, Label& done, int total_rows,
283 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
284
285 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
286 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
287 void update_mdp_by_constant(Register mdp_in, int constant);
288 void update_mdp_for_ret(Register return_bci);
289
290 // narrow int return value
291 void narrow(Register result);
292
293 void profile_taken_branch(Register mdp);
294 void profile_not_taken_branch(Register mdp);
295 void profile_call(Register mdp);
296 void profile_final_call(Register mdp);
297 void profile_virtual_call(Register receiver, Register mdp,
298 Register scratch2,
299 bool receiver_can_be_null = false);
300 void profile_ret(Register return_bci, Register mdp);
301 void profile_null_seen(Register mdp);
302 void profile_typecheck(Register mdp, Register klass, Register scratch);
303 void profile_typecheck_failed(Register mdp);
304 void profile_switch_default(Register mdp);
305 void profile_switch_case(Register index_in_scratch, Register mdp,
306 Register scratch2);
307
308 void profile_obj_type(Register obj, const Address& mdo_addr);
309 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
310 void profile_return_type(Register mdp, Register ret, Register tmp);
311 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
312
313 // Debugging
314 // only if +VerifyOops && state == atos
315 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
316 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
317
318 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
319
320 // support for jvmti/dtrace
321 void notify_method_entry();
322 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
323
324 JFR_ONLY(void enter_jfr_critical_section();)
325 JFR_ONLY(void leave_jfr_critical_section();)
326
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141
142 void get_constant_pool(Register reg) {
143 get_const(reg);
144 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
145 }
146
147 void get_constant_pool_cache(Register reg) {
148 get_constant_pool(reg);
149 ldr(reg, Address(reg, ConstantPool::cache_offset()));
150 }
151
152 void get_cpool_and_tags(Register cpool, Register tags) {
153 get_constant_pool(cpool);
154 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
155 }
156
157 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
158 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
159 void get_method_counters(Register method, Register mcs, Label& skip);
160
161 // Kills t1 and t2, perserves klass, return allocation in new_obj
162 void allocate_instance(Register klass, Register new_obj,
163 Register t1, Register t2,
164 bool clear_fields, Label& alloc_failed);
165
166 // Allocate instance in "obj" and read in the content of the inline field
167 // NOTES:
168 // - input holder object via "obj", which must be r0,
169 // will return new instance via the same reg
170 // - assumes holder_klass and valueKlass field klass have both been resolved
171 void read_flat_field(Register entry,
172 Register field_index, Register field_offset,
173 Register temp, Register obj);
174
175 void write_flat_field(Register entry, Register field_offset,
176 Register tmp1, Register tmp2,
177 Register obj);
178
179 // Allocate value buffer in "obj" and read in flat element at the given index
180 // NOTES:
181 // - Return via "obj" must be r0
182 // - kills all given regs
183 void read_flat_element(Register array, Register index,
184 Register t1, Register t2,
185 Register obj = r0);
186
187 // load cpool->resolved_references(index);
188 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
189
190 // load cpool->resolved_klass_at(index);
191 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
192
193 void pop_ptr(Register r = r0);
194 void pop_i(Register r = r0);
195 void pop_l(Register r = r0);
196 void pop_f(FloatRegister r = v0);
197 void pop_d(FloatRegister r = v0);
198 void push_ptr(Register r = r0);
199 void push_i(Register r = r0);
200 void push_l(Register r = r0);
201 void push_f(FloatRegister r = v0);
202 void push_d(FloatRegister r = v0);
203
204 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
205
206 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
211 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
212 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
213
214 void empty_expression_stack() {
215 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
216 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
217 // null last_sp until next java call
218 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
219 }
220
221 // Helpers for swap and dup
222 void load_ptr(int n, Register val);
223 void store_ptr(int n, Register val);
224
225 // Load float value from 'address'. The value is loaded onto the FPU register v0.
226 void load_float(Address src);
227 void load_double(Address src);
228
229 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
230 // a subtype of super_klass.
231 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype, bool profile = true);
232
233 // Dispatching
234 void dispatch_prolog(TosState state, int step = 0);
235 void dispatch_epilog(TosState state, int step = 0);
236 // dispatch via rscratch1
237 void dispatch_only(TosState state, bool generate_poll = false);
238 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
239 void dispatch_only_normal(TosState state);
240 void dispatch_only_noverify(TosState state);
241 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
242 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
243 // load rscratch1 from [esi] and dispatch via rscratch1 and table
244 void dispatch_via (TosState state, address* table);
245
246 // jump to an invoked target
247 void prepare_to_jump_from_interpreted();
248 void jump_from_interpreted(Register method, Register temp);
249
250
251 // Returning from interpreted functions
300 Label& not_equal_continue);
301
302 void record_klass_in_profile(Register receiver, Register mdp,
303 Register reg2);
304 void record_klass_in_profile_helper(Register receiver, Register mdp,
305 Register reg2, int start_row,
306 Label& done);
307 void record_item_in_profile_helper(Register item, Register mdp,
308 Register reg2, int start_row, Label& done, int total_rows,
309 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
310
311 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
312 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
313 void update_mdp_by_constant(Register mdp_in, int constant);
314 void update_mdp_for_ret(Register return_bci);
315
316 // narrow int return value
317 void narrow(Register result);
318
319 void profile_taken_branch(Register mdp);
320 void profile_not_taken_branch(Register mdp, bool acmp = false);
321 void profile_call(Register mdp);
322 void profile_final_call(Register mdp);
323 void profile_virtual_call(Register receiver, Register mdp,
324 Register scratch2,
325 bool receiver_can_be_null = false);
326 void profile_ret(Register return_bci, Register mdp);
327 void profile_null_seen(Register mdp);
328 void profile_typecheck(Register mdp, Register klass, Register scratch);
329 void profile_typecheck_failed(Register mdp);
330 void profile_switch_default(Register mdp);
331 void profile_switch_case(Register index_in_scratch, Register mdp,
332 Register scratch2);
333 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
334 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
335 void profile_element_type(Register mdp, Register element, Register tmp);
336 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
337
338 void profile_obj_type(Register obj, const Address& mdo_addr);
339 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
340 void profile_return_type(Register mdp, Register ret, Register tmp);
341 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
342
343 // Debugging
344 // only if +VerifyOops && state == atos
345 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
346 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
347
348 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
349
350 // support for jvmti/dtrace
351 void notify_method_entry();
352 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
353
354 JFR_ONLY(void enter_jfr_critical_section();)
355 JFR_ONLY(void leave_jfr_critical_section();)
356
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