127
128 void get_constant_pool(Register reg) {
129 get_const(reg);
130 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
131 }
132
133 void get_constant_pool_cache(Register reg) {
134 get_constant_pool(reg);
135 ldr(reg, Address(reg, ConstantPool::cache_offset()));
136 }
137
138 void get_cpool_and_tags(Register cpool, Register tags) {
139 get_constant_pool(cpool);
140 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
141 }
142
143 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
144 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
145 void get_method_counters(Register method, Register mcs, Label& skip);
146
147 // load cpool->resolved_references(index);
148 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
149
150 // load cpool->resolved_klass_at(index);
151 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
152
153 void pop_ptr(Register r = r0);
154 void pop_i(Register r = r0);
155 void pop_l(Register r = r0);
156 void pop_f(FloatRegister r = v0);
157 void pop_d(FloatRegister r = v0);
158 void push_ptr(Register r = r0);
159 void push_i(Register r = r0);
160 void push_l(Register r = r0);
161 void push_f(FloatRegister r = v0);
162 void push_d(FloatRegister r = v0);
163
164 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
165
166 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
171 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
172 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
173
174 void empty_expression_stack() {
175 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
176 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
177 // null last_sp until next java call
178 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
179 }
180
181 // Helpers for swap and dup
182 void load_ptr(int n, Register val);
183 void store_ptr(int n, Register val);
184
185 // Load float value from 'address'. The value is loaded onto the FPU register v0.
186 void load_float(Address src);
187 void load_double(Address src);
188
189 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
190 // a subtype of super_klass.
191 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
192
193 // Dispatching
194 void dispatch_prolog(TosState state, int step = 0);
195 void dispatch_epilog(TosState state, int step = 0);
196 // dispatch via rscratch1
197 void dispatch_only(TosState state, bool generate_poll = false);
198 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
199 void dispatch_only_normal(TosState state);
200 void dispatch_only_noverify(TosState state);
201 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
202 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
203 // load rscratch1 from [esi] and dispatch via rscratch1 and table
204 void dispatch_via (TosState state, address* table);
205
206 // jump to an invoked target
207 void prepare_to_jump_from_interpreted();
208 void jump_from_interpreted(Register method, Register temp);
209
210
211 // Returning from interpreted functions
260 Label& not_equal_continue);
261
262 void record_klass_in_profile(Register receiver, Register mdp,
263 Register reg2);
264 void record_klass_in_profile_helper(Register receiver, Register mdp,
265 Register reg2, int start_row,
266 Label& done);
267 void record_item_in_profile_helper(Register item, Register mdp,
268 Register reg2, int start_row, Label& done, int total_rows,
269 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
270
271 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
272 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
273 void update_mdp_by_constant(Register mdp_in, int constant);
274 void update_mdp_for_ret(Register return_bci);
275
276 // narrow int return value
277 void narrow(Register result);
278
279 void profile_taken_branch(Register mdp);
280 void profile_not_taken_branch(Register mdp);
281 void profile_call(Register mdp);
282 void profile_final_call(Register mdp);
283 void profile_virtual_call(Register receiver, Register mdp,
284 Register scratch2,
285 bool receiver_can_be_null = false);
286 void profile_ret(Register return_bci, Register mdp);
287 void profile_null_seen(Register mdp);
288 void profile_typecheck(Register mdp, Register klass, Register scratch);
289 void profile_typecheck_failed(Register mdp);
290 void profile_switch_default(Register mdp);
291 void profile_switch_case(Register index_in_scratch, Register mdp,
292 Register scratch2);
293
294 void profile_obj_type(Register obj, const Address& mdo_addr);
295 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
296 void profile_return_type(Register mdp, Register ret, Register tmp);
297 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
298
299 // Debugging
300 // only if +VerifyOops && state == atos
301 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
302 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
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 JFR_ONLY(void enter_jfr_critical_section();)
311 JFR_ONLY(void leave_jfr_critical_section();)
312
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127
128 void get_constant_pool(Register reg) {
129 get_const(reg);
130 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
131 }
132
133 void get_constant_pool_cache(Register reg) {
134 get_constant_pool(reg);
135 ldr(reg, Address(reg, ConstantPool::cache_offset()));
136 }
137
138 void get_cpool_and_tags(Register cpool, Register tags) {
139 get_constant_pool(cpool);
140 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
141 }
142
143 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
144 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
145 void get_method_counters(Register method, Register mcs, Label& skip);
146
147 // Kills t1 and t2, perserves klass, return allocation in new_obj
148 void allocate_instance(Register klass, Register new_obj,
149 Register t1, Register t2,
150 bool clear_fields, Label& alloc_failed);
151
152 // Allocate instance in "obj" and read in the content of the inline field
153 // NOTES:
154 // - input holder object via "obj", which must be r0,
155 // will return new instance via the same reg
156 // - assumes holder_klass and valueKlass field klass have both been resolved
157 void read_flat_field(Register entry,
158 Register field_index, Register field_offset,
159 Register temp, Register obj);
160
161 void write_flat_field(Register entry, Register field_offset,
162 Register tmp1, Register tmp2,
163 Register obj);
164
165 // Allocate value buffer in "obj" and read in flat element at the given index
166 // NOTES:
167 // - Return via "obj" must be r0
168 // - kills all given regs
169 void read_flat_element(Register array, Register index,
170 Register t1, Register t2,
171 Register obj = r0);
172
173 // load cpool->resolved_references(index);
174 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
175
176 // load cpool->resolved_klass_at(index);
177 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
178
179 void pop_ptr(Register r = r0);
180 void pop_i(Register r = r0);
181 void pop_l(Register r = r0);
182 void pop_f(FloatRegister r = v0);
183 void pop_d(FloatRegister r = v0);
184 void push_ptr(Register r = r0);
185 void push_i(Register r = r0);
186 void push_l(Register r = r0);
187 void push_f(FloatRegister r = v0);
188 void push_d(FloatRegister r = v0);
189
190 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
191
192 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
197 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
198 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
199
200 void empty_expression_stack() {
201 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
202 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
203 // null last_sp until next java call
204 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
205 }
206
207 // Helpers for swap and dup
208 void load_ptr(int n, Register val);
209 void store_ptr(int n, Register val);
210
211 // Load float value from 'address'. The value is loaded onto the FPU register v0.
212 void load_float(Address src);
213 void load_double(Address src);
214
215 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
216 // a subtype of super_klass.
217 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype, bool profile = true);
218
219 // Dispatching
220 void dispatch_prolog(TosState state, int step = 0);
221 void dispatch_epilog(TosState state, int step = 0);
222 // dispatch via rscratch1
223 void dispatch_only(TosState state, bool generate_poll = false);
224 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
225 void dispatch_only_normal(TosState state);
226 void dispatch_only_noverify(TosState state);
227 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
228 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
229 // load rscratch1 from [esi] and dispatch via rscratch1 and table
230 void dispatch_via (TosState state, address* table);
231
232 // jump to an invoked target
233 void prepare_to_jump_from_interpreted();
234 void jump_from_interpreted(Register method, Register temp);
235
236
237 // Returning from interpreted functions
286 Label& not_equal_continue);
287
288 void record_klass_in_profile(Register receiver, Register mdp,
289 Register reg2);
290 void record_klass_in_profile_helper(Register receiver, Register mdp,
291 Register reg2, int start_row,
292 Label& done);
293 void record_item_in_profile_helper(Register item, Register mdp,
294 Register reg2, int start_row, Label& done, int total_rows,
295 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
296
297 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
298 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
299 void update_mdp_by_constant(Register mdp_in, int constant);
300 void update_mdp_for_ret(Register return_bci);
301
302 // narrow int return value
303 void narrow(Register result);
304
305 void profile_taken_branch(Register mdp);
306 void profile_not_taken_branch(Register mdp, bool acmp = false);
307 void profile_call(Register mdp);
308 void profile_final_call(Register mdp);
309 void profile_virtual_call(Register receiver, Register mdp,
310 Register scratch2,
311 bool receiver_can_be_null = false);
312 void profile_ret(Register return_bci, Register mdp);
313 void profile_null_seen(Register mdp);
314 void profile_typecheck(Register mdp, Register klass, Register scratch);
315 void profile_typecheck_failed(Register mdp);
316 void profile_switch_default(Register mdp);
317 void profile_switch_case(Register index_in_scratch, Register mdp,
318 Register scratch2);
319 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
320 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
321 void profile_element_type(Register mdp, Register element, Register tmp);
322 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
323
324 void profile_obj_type(Register obj, const Address& mdo_addr);
325 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
326 void profile_return_type(Register mdp, Register ret, Register tmp);
327 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
328
329 // Debugging
330 // only if +VerifyOops && state == atos
331 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
332 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
333
334 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
335
336 // support for jvmti/dtrace
337 void notify_method_entry();
338 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
339
340 JFR_ONLY(void enter_jfr_critical_section();)
341 JFR_ONLY(void leave_jfr_critical_section();)
342
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