126
127 void get_constant_pool(Register reg) {
128 get_const(reg);
129 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
130 }
131
132 void get_constant_pool_cache(Register reg) {
133 get_constant_pool(reg);
134 ldr(reg, Address(reg, ConstantPool::cache_offset()));
135 }
136
137 void get_cpool_and_tags(Register cpool, Register tags) {
138 get_constant_pool(cpool);
139 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
140 }
141
142 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
143 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
144 void get_method_counters(Register method, Register mcs, Label& skip);
145
146 // load cpool->resolved_references(index);
147 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
148
149 // load cpool->resolved_klass_at(index);
150 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
151
152 void pop_ptr(Register r = r0);
153 void pop_i(Register r = r0);
154 void pop_l(Register r = r0);
155 void pop_f(FloatRegister r = v0);
156 void pop_d(FloatRegister r = v0);
157 void push_ptr(Register r = r0);
158 void push_i(Register r = r0);
159 void push_l(Register r = r0);
160 void push_f(FloatRegister r = v0);
161 void push_d(FloatRegister r = v0);
162
163 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
164
165 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
170 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
171 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
172
173 void empty_expression_stack() {
174 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
175 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
176 // null last_sp until next java call
177 str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
178 }
179
180 // Helpers for swap and dup
181 void load_ptr(int n, Register val);
182 void store_ptr(int n, Register val);
183
184 // Load float value from 'address'. The value is loaded onto the FPU register v0.
185 void load_float(Address src);
186 void load_double(Address src);
187
188 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
189 // a subtype of super_klass.
190 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
191
192 // Dispatching
193 void dispatch_prolog(TosState state, int step = 0);
194 void dispatch_epilog(TosState state, int step = 0);
195 // dispatch via rscratch1
196 void dispatch_only(TosState state, bool generate_poll = false);
197 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
198 void dispatch_only_normal(TosState state);
199 void dispatch_only_noverify(TosState state);
200 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
201 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
202 // load rscratch1 from [esi] and dispatch via rscratch1 and table
203 void dispatch_via (TosState state, address* table);
204
205 // jump to an invoked target
206 void prepare_to_jump_from_interpreted();
207 void jump_from_interpreted(Register method, Register temp);
208
209
210 // Returning from interpreted functions
262 Label& not_equal_continue);
263
264 void record_klass_in_profile(Register receiver, Register mdp,
265 Register reg2);
266 void record_klass_in_profile_helper(Register receiver, Register mdp,
267 Register reg2, int start_row,
268 Label& done);
269 void record_item_in_profile_helper(Register item, Register mdp,
270 Register reg2, int start_row, Label& done, int total_rows,
271 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
272
273 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
274 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
275 void update_mdp_by_constant(Register mdp_in, int constant);
276 void update_mdp_for_ret(Register return_bci);
277
278 // narrow int return value
279 void narrow(Register result);
280
281 void profile_taken_branch(Register mdp, Register bumped_count);
282 void profile_not_taken_branch(Register mdp);
283 void profile_call(Register mdp);
284 void profile_final_call(Register mdp);
285 void profile_virtual_call(Register receiver, Register mdp,
286 Register scratch2,
287 bool receiver_can_be_null = false);
288 void profile_ret(Register return_bci, Register mdp);
289 void profile_null_seen(Register mdp);
290 void profile_typecheck(Register mdp, Register klass, Register scratch);
291 void profile_typecheck_failed(Register mdp);
292 void profile_switch_default(Register mdp);
293 void profile_switch_case(Register index_in_scratch, Register mdp,
294 Register scratch2);
295
296 void profile_obj_type(Register obj, const Address& mdo_addr);
297 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
298 void profile_return_type(Register mdp, Register ret, Register tmp);
299 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
300
301 // Debugging
302 // only if +VerifyOops && state == atos
303 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
304 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
305 // only if +VerifyFPU && (state == ftos || state == dtos)
306 void verify_FPU(int stack_depth, TosState state = ftos);
307
308 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
309
310 // support for jvmti/dtrace
311 void notify_method_entry();
312 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
313
314 virtual void _call_Unimplemented(address call_site) {
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126
127 void get_constant_pool(Register reg) {
128 get_const(reg);
129 ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
130 }
131
132 void get_constant_pool_cache(Register reg) {
133 get_constant_pool(reg);
134 ldr(reg, Address(reg, ConstantPool::cache_offset()));
135 }
136
137 void get_cpool_and_tags(Register cpool, Register tags) {
138 get_constant_pool(cpool);
139 ldr(tags, Address(cpool, ConstantPool::tags_offset()));
140 }
141
142 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
143 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
144 void get_method_counters(Register method, Register mcs, Label& skip);
145
146 // Kills t1 and t2, perserves klass, return allocation in new_obj
147 void allocate_instance(Register klass, Register new_obj,
148 Register t1, Register t2,
149 bool clear_fields, Label& alloc_failed);
150
151 // Allocate instance in "obj" and read in the content of the inline field
152 // NOTES:
153 // - input holder object via "obj", which must be r0,
154 // will return new instance via the same reg
155 // - assumes holder_klass and valueKlass field klass have both been resolved
156 void read_flat_field(Register holder_klass,
157 Register field_index, Register field_offset,
158 Register temp, Register obj = r0);
159
160 // Allocate value buffer in "obj" and read in flat element at the given index
161 // NOTES:
162 // - Return via "obj" must be r0
163 // - kills all given regs
164 void read_flat_element(Register array, Register index,
165 Register t1, Register t2,
166 Register obj = r0);
167
168 // load cpool->resolved_references(index);
169 void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
170
171 // load cpool->resolved_klass_at(index);
172 void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
173
174 void pop_ptr(Register r = r0);
175 void pop_i(Register r = r0);
176 void pop_l(Register r = r0);
177 void pop_f(FloatRegister r = v0);
178 void pop_d(FloatRegister r = v0);
179 void push_ptr(Register r = r0);
180 void push_i(Register r = r0);
181 void push_l(Register r = r0);
182 void push_f(FloatRegister r = v0);
183 void push_d(FloatRegister r = v0);
184
185 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
186
187 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
192 void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
193 void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
194
195 void empty_expression_stack() {
196 ldr(rscratch1, Address(rfp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
197 lea(esp, Address(rfp, rscratch1, Address::lsl(LogBytesPerWord)));
198 // null last_sp until next java call
199 str(zr, Address(rfp, 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 FPU register v0.
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 rscratch1
218 void dispatch_only(TosState state, bool generate_poll = false);
219 // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
220 void dispatch_only_normal(TosState state);
221 void dispatch_only_noverify(TosState state);
222 // load rscratch1 from [rbcp + step] and dispatch via rscratch1
223 void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
224 // load rscratch1 from [esi] and dispatch via rscratch1 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, Register temp);
230
231
232 // Returning from interpreted functions
284 Label& not_equal_continue);
285
286 void record_klass_in_profile(Register receiver, Register mdp,
287 Register reg2);
288 void record_klass_in_profile_helper(Register receiver, Register mdp,
289 Register reg2, int start_row,
290 Label& done);
291 void record_item_in_profile_helper(Register item, Register mdp,
292 Register reg2, int start_row, Label& done, int total_rows,
293 OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn);
294
295 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
296 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
297 void update_mdp_by_constant(Register mdp_in, int constant);
298 void update_mdp_for_ret(Register return_bci);
299
300 // narrow int return value
301 void narrow(Register result);
302
303 void profile_taken_branch(Register mdp, Register bumped_count);
304 void profile_not_taken_branch(Register mdp, bool acmp = false);
305 void profile_call(Register mdp);
306 void profile_final_call(Register mdp);
307 void profile_virtual_call(Register receiver, Register mdp,
308 Register scratch2,
309 bool receiver_can_be_null = false);
310 void profile_ret(Register return_bci, Register mdp);
311 void profile_null_seen(Register mdp);
312 void profile_typecheck(Register mdp, Register klass, Register scratch);
313 void profile_typecheck_failed(Register mdp);
314 void profile_switch_default(Register mdp);
315 void profile_switch_case(Register index_in_scratch, Register mdp,
316 Register scratch2);
317 template <class ArrayData> void profile_array_type(Register mdp, Register array, Register tmp);
318 void profile_multiple_element_types(Register mdp, Register element, Register tmp, Register tmp2);
319 void profile_element_type(Register mdp, Register element, Register tmp);
320 void profile_acmp(Register mdp, Register left, Register right, Register tmp);
321
322 void profile_obj_type(Register obj, const Address& mdo_addr);
323 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
324 void profile_return_type(Register mdp, Register ret, Register tmp);
325 void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
326
327 // Debugging
328 // only if +VerifyOops && state == atos
329 #define interp_verify_oop(reg, state) _interp_verify_oop(reg, state, __FILE__, __LINE__);
330 void _interp_verify_oop(Register reg, TosState state, const char* file, int line);
331 // only if +VerifyFPU && (state == ftos || state == dtos)
332 void verify_FPU(int stack_depth, TosState state = ftos);
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 virtual void _call_Unimplemented(address call_site) {
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