144
145 void get_constant_pool(Register reg) {
146 get_const(reg);
147 ld(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
148 }
149
150 void get_constant_pool_cache(Register reg) {
151 get_constant_pool(reg);
152 ld(reg, Address(reg, ConstantPool::cache_offset()));
153 }
154
155 void get_cpool_and_tags(Register cpool, Register tags) {
156 get_constant_pool(cpool);
157 ld(tags, Address(cpool, ConstantPool::tags_offset()));
158 }
159
160 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
161 void get_cache_index_at_bcp(Register index, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
162 void get_method_counters(Register method, Register mcs, Label& skip);
163
164 // Load cpool->resolved_references(index).
165 void load_resolved_reference_at_index(Register result, Register index, Register tmp = x15);
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 = x10);
171 void pop_i(Register r = x10);
172 void pop_l(Register r = x10);
173 void pop_f(FloatRegister r = f10);
174 void pop_d(FloatRegister r = f10);
175 void push_ptr(Register r = x10);
176 void push_i(Register r = x10);
177 void push_l(Register r = x10);
178 void push_f(FloatRegister r = f10);
179 void push_d(FloatRegister r = f10);
180
181 void pop(TosState state); // transition vtos -> state
182 void push(TosState state); // transition state -> vtos
183
184 void empty_expression_stack() {
185 ld(t0, Address(fp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
186 shadd(esp, t0, fp, t0, LogBytesPerWord);
187 // null last_sp until next java call
188 sd(zr, Address(fp, frame::interpreter_frame_last_sp_offset * wordSize));
189 }
190
191 // Helpers for swap and dup
192 void load_ptr(int n, Register val);
193 void store_ptr(int n, Register val);
194
195 // Load float value from 'address'. The value is loaded onto the fp register f10.
196 void load_float(Address src);
197 void load_double(Address src);
198
199 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
200 // a subtype of super_klass.
201 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
202
203 // Dispatching
204 void dispatch_prolog(TosState state, int step = 0);
205 void dispatch_epilog(TosState state, int step = 0);
206 // dispatch via t0
207 void dispatch_only(TosState state, bool generate_poll = false, Register Rs = t0);
208 // dispatch normal table via t0 (assume t0 is loaded already)
209 void dispatch_only_normal(TosState state, Register Rs = t0);
210 void dispatch_only_noverify(TosState state, Register Rs = t0);
211 // load t0 from [xbcp + step] and dispatch via t0
212 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
213 // load t0 from [xbcp] and dispatch via t0 and table
214 void dispatch_via (TosState state, address* table);
215
216 // jump to an invoked target
217 void prepare_to_jump_from_interpreted();
218 void jump_from_interpreted(Register method);
219
220
221 // Returning from interpreted functions
254 void increment_mdp_data_at(Register mdp_in, Register index, int constant);
255 void increment_mask_and_jump(Address counter_addr,
256 int increment, Address mask,
257 Register tmp1, Register tmp2,
258 bool preloaded, Label* where);
259
260 void set_mdp_flag_at(Register mdp_in, int flag_constant);
261 void test_mdp_data_at(Register mdp_in, int offset, Register value,
262 Register test_value_out,
263 Label& not_equal_continue);
264
265 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
266 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
267 void update_mdp_by_constant(Register mdp_in, int constant);
268 void update_mdp_for_ret(Register return_bci);
269
270 // narrow int return value
271 void narrow(Register result);
272
273 void profile_taken_branch(Register mdp);
274 void profile_not_taken_branch(Register mdp);
275 void profile_call(Register mdp);
276 void profile_final_call(Register mdp);
277 void profile_virtual_call(Register receiver, Register mdp);
278 void profile_ret(Register return_bci, Register mdp);
279 void profile_null_seen(Register mdp);
280 void profile_typecheck(Register mdp, Register klass);
281 void profile_typecheck_failed(Register mdp);
282 void profile_switch_default(Register mdp);
283 void profile_switch_case(Register index_in_scratch, Register mdp,
284 Register temp);
285
286 void profile_obj_type(Register obj, const Address& mdo_addr, Register tmp);
287 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
288 void profile_return_type(Register mdp, Register ret, Register tmp);
289 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2, Register tmp3);
290
291 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
292
293 // support for jvmti/dtrace
294 void notify_method_entry();
295 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
296
297 JFR_ONLY(void enter_jfr_critical_section();)
298 JFR_ONLY(void leave_jfr_critical_section();)
299
300 virtual void _call_Unimplemented(address call_site) {
301 save_bcp();
302 set_last_Java_frame(esp, fp, (address) pc(), t0);
303 MacroAssembler::_call_Unimplemented(call_site);
304 }
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144
145 void get_constant_pool(Register reg) {
146 get_const(reg);
147 ld(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
148 }
149
150 void get_constant_pool_cache(Register reg) {
151 get_constant_pool(reg);
152 ld(reg, Address(reg, ConstantPool::cache_offset()));
153 }
154
155 void get_cpool_and_tags(Register cpool, Register tags) {
156 get_constant_pool(cpool);
157 ld(tags, Address(cpool, ConstantPool::tags_offset()));
158 }
159
160 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
161 void get_cache_index_at_bcp(Register index, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
162 void get_method_counters(Register method, Register mcs, Label& skip);
163
164 // Allocate instance in "obj" and read in the content of the inline field
165 // NOTES:
166 // - input holder object via "obj", which must be x10,
167 // will return new instance via the same reg
168 // - assumes holder_klass and valueKlass field klass have both been resolved
169 void read_flat_field(Register entry, Register obj);
170
171 void write_flat_field(Register entry, Register field_offset,
172 Register tmp1, Register tmp2,
173 Register obj);
174
175 // Load cpool->resolved_references(index).
176 void load_resolved_reference_at_index(Register result, Register index, Register tmp = x15);
177
178 // Load cpool->resolved_klass_at(index).
179 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
180
181 void pop_ptr(Register r = x10);
182 void pop_i(Register r = x10);
183 void pop_l(Register r = x10);
184 void pop_f(FloatRegister r = f10);
185 void pop_d(FloatRegister r = f10);
186 void push_ptr(Register r = x10);
187 void push_i(Register r = x10);
188 void push_l(Register r = x10);
189 void push_f(FloatRegister r = f10);
190 void push_d(FloatRegister r = f10);
191
192 void pop(TosState state); // transition vtos -> state
193 void push(TosState state); // transition state -> vtos
194
195 void empty_expression_stack() {
196 ld(t0, Address(fp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
197 shadd(esp, t0, fp, t0, LogBytesPerWord);
198 // null last_sp until next java call
199 sd(zr, Address(fp, frame::interpreter_frame_last_sp_offset * wordSize));
200 }
201
202 // Helpers for swap and dup
203 void load_ptr(int n, Register val);
204 void store_ptr(int n, Register val);
205
206 // Load float value from 'address'. The value is loaded onto the fp register f10.
207 void load_float(Address src);
208 void load_double(Address src);
209
210 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
211 // a subtype of super_klass.
212 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype, bool profile = true);
213
214 // Dispatching
215 void dispatch_prolog(TosState state, int step = 0);
216 void dispatch_epilog(TosState state, int step = 0);
217 // dispatch via t0
218 void dispatch_only(TosState state, bool generate_poll = false, Register Rs = t0);
219 // dispatch normal table via t0 (assume t0 is loaded already)
220 void dispatch_only_normal(TosState state, Register Rs = t0);
221 void dispatch_only_noverify(TosState state, Register Rs = t0);
222 // load t0 from [xbcp + step] and dispatch via t0
223 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
224 // load t0 from [xbcp] and dispatch via t0 and table
225 void dispatch_via (TosState state, address* table);
226
227 // jump to an invoked target
228 void prepare_to_jump_from_interpreted();
229 void jump_from_interpreted(Register method);
230
231
232 // Returning from interpreted functions
265 void increment_mdp_data_at(Register mdp_in, Register index, int constant);
266 void increment_mask_and_jump(Address counter_addr,
267 int increment, Address mask,
268 Register tmp1, Register tmp2,
269 bool preloaded, Label* where);
270
271 void set_mdp_flag_at(Register mdp_in, int flag_constant);
272 void test_mdp_data_at(Register mdp_in, int offset, Register value,
273 Register test_value_out,
274 Label& not_equal_continue);
275
276 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
277 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
278 void update_mdp_by_constant(Register mdp_in, int constant);
279 void update_mdp_for_ret(Register return_bci);
280
281 // narrow int return value
282 void narrow(Register result);
283
284 void profile_taken_branch(Register mdp);
285 void profile_not_taken_branch(Register mdp, bool acmp = false);
286 void profile_call(Register mdp);
287 void profile_final_call(Register mdp);
288 void profile_virtual_call(Register receiver, Register mdp);
289 void profile_ret(Register return_bci, Register mdp);
290 void profile_null_seen(Register mdp);
291 void profile_typecheck(Register mdp, Register klass);
292 void profile_typecheck_failed(Register mdp);
293 void profile_switch_default(Register mdp);
294 void profile_switch_case(Register index_in_scratch, Register mdp,
295 Register temp);
296 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
297 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
298 void profile_element_type(Register mdp, Register element, Register tmp);
299 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
300
301 void profile_obj_type(Register obj, const Address& mdo_addr, Register tmp);
302 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
303 void profile_return_type(Register mdp, Register ret, Register tmp);
304 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2, Register tmp3);
305
306 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
307
308 // support for jvmti/dtrace
309 void notify_method_entry();
310 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
311
312 JFR_ONLY(void enter_jfr_critical_section();)
313 JFR_ONLY(void leave_jfr_critical_section();)
314
315 virtual void _call_Unimplemented(address call_site) {
316 save_bcp();
317 set_last_Java_frame(esp, fp, (address) pc(), t0);
318 MacroAssembler::_call_Unimplemented(call_site);
319 }
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