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
263 Label& not_equal_continue);
264
265 void record_klass_in_profile(Register receiver, Register mdp,
266 Register reg2);
267 void record_klass_in_profile_helper(Register receiver, Register mdp,
268 Register reg2, int start_row,
269 Label& done);
270 void record_item_in_profile_helper(Register item, Register mdp,
271 Register reg2, int start_row, Label& done, int total_rows,
272 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
273
274 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
275 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
276 void update_mdp_by_constant(Register mdp_in, int constant);
277 void update_mdp_for_ret(Register return_bci);
278
279 // narrow int return value
280 void narrow(Register result);
281
282 void profile_taken_branch(Register mdp, Register bumped_count);
283 void profile_not_taken_branch(Register mdp);
284 void profile_call(Register mdp);
285 void profile_final_call(Register mdp);
286 void profile_virtual_call(Register receiver, Register mdp,
287 Register scratch2,
288 bool receiver_can_be_null = false);
289 void profile_ret(Register return_bci, Register mdp);
290 void profile_null_seen(Register mdp);
291 void profile_typecheck(Register mdp, Register klass, Register scratch);
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 scratch2);
296
297 void profile_obj_type(Register obj, const Address& mdo_addr);
298 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
299 void profile_return_type(Register mdp, Register ret, Register tmp);
300 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
301
302 // Debugging
303 // only if +VerifyOops && state == atos
304 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
305 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
306
307 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
308
309 // support for jvmti/dtrace
310 void notify_method_entry();
311 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
312
313 virtual void _call_Unimplemented(address call_site) {
314 save_bcp();
315 set_last_Java_frame(esp, rfp, (address) pc(), rscratch1);
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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 = r0);
160
161 // Allocate value buffer in "obj" and read in flat element at the given index
162 // NOTES:
163 // - Return via "obj" must be r0
164 // - kills all given regs
165 void read_flat_element(Register array, Register index,
166 Register t1, Register t2,
167 Register obj = r0);
168
169 // load cpool->resolved_references(index);
170 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
171
172 // load cpool->resolved_klass_at(index);
173 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
174
175 void pop_ptr(Register r = r0);
176 void pop_i(Register r = r0);
177 void pop_l(Register r = r0);
178 void pop_f(FloatRegister r = v0);
179 void pop_d(FloatRegister r = v0);
180 void push_ptr(Register r = r0);
181 void push_i(Register r = r0);
182 void push_l(Register r = r0);
183 void push_f(FloatRegister r = v0);
184 void push_d(FloatRegister r = v0);
185
186 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
187
188 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
193 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
194 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
195
196 void empty_expression_stack() {
197 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
198 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
199 // null last_sp until next java call
200 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
201 }
202
203 // Helpers for swap and dup
204 void load_ptr(int n, Register val);
205 void store_ptr(int n, Register val);
206
207 // Load float value from 'address'. The value is loaded onto the FPU register v0.
208 void load_float(Address src);
209 void load_double(Address src);
210
211 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
212 // a subtype of super_klass.
213 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype, bool profile = true);
214
215 // Dispatching
216 void dispatch_prolog(TosState state, int step = 0);
217 void dispatch_epilog(TosState state, int step = 0);
218 // dispatch via rscratch1
219 void dispatch_only(TosState state, bool generate_poll = false);
220 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
221 void dispatch_only_normal(TosState state);
222 void dispatch_only_noverify(TosState state);
223 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
224 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
225 // load rscratch1 from [esi] and dispatch via rscratch1 and table
226 void dispatch_via (TosState state, address* table);
227
228 // jump to an invoked target
229 void prepare_to_jump_from_interpreted();
230 void jump_from_interpreted(Register method, Register temp);
231
232
233 // Returning from interpreted functions
285 Label& not_equal_continue);
286
287 void record_klass_in_profile(Register receiver, Register mdp,
288 Register reg2);
289 void record_klass_in_profile_helper(Register receiver, Register mdp,
290 Register reg2, int start_row,
291 Label& done);
292 void record_item_in_profile_helper(Register item, Register mdp,
293 Register reg2, int start_row, Label& done, int total_rows,
294 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
295
296 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
297 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
298 void update_mdp_by_constant(Register mdp_in, int constant);
299 void update_mdp_for_ret(Register return_bci);
300
301 // narrow int return value
302 void narrow(Register result);
303
304 void profile_taken_branch(Register mdp, Register bumped_count);
305 void profile_not_taken_branch(Register mdp, bool acmp = false);
306 void profile_call(Register mdp);
307 void profile_final_call(Register mdp);
308 void profile_virtual_call(Register receiver, Register mdp,
309 Register scratch2,
310 bool receiver_can_be_null = false);
311 void profile_ret(Register return_bci, Register mdp);
312 void profile_null_seen(Register mdp);
313 void profile_typecheck(Register mdp, Register klass, Register scratch);
314 void profile_typecheck_failed(Register mdp);
315 void profile_switch_default(Register mdp);
316 void profile_switch_case(Register index_in_scratch, Register mdp,
317 Register scratch2);
318 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
319 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
320 void profile_element_type(Register mdp, Register element, Register tmp);
321 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
322
323 void profile_obj_type(Register obj, const Address& mdo_addr);
324 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
325 void profile_return_type(Register mdp, Register ret, Register tmp);
326 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
327
328 // Debugging
329 // only if +VerifyOops && state == atos
330 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
331 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
332
333 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
334
335 // support for jvmti/dtrace
336 void notify_method_entry();
337 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
338
339 virtual void _call_Unimplemented(address call_site) {
340 save_bcp();
341 set_last_Java_frame(esp, rfp, (address) pc(), rscratch1);
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