5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP
26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP
27
28 #include "asm/macroAssembler.hpp"
29 #include "asm/macroAssembler.inline.hpp"
30 #include "interpreter/invocationCounter.hpp"
31 #include "runtime/frame.hpp"
32
33 // This file specializes the assember with interpreter-specific macros
34
35
36 class InterpreterMacroAssembler: public MacroAssembler {
37 #ifndef CC_INTERP
38 protected:
39 // Interpreter specific version of call_VM_base
40 virtual void call_VM_leaf_base(address entry_point,
41 int number_of_arguments);
42
43 virtual void call_VM_base(Register oop_result,
44 Register java_thread,
45 Register last_java_sp,
46 address entry_point,
47 int number_of_arguments,
48 bool check_exceptions);
49
50 virtual void check_and_handle_popframe(Register java_thread);
51 virtual void check_and_handle_earlyret(Register java_thread);
52
53 // base routine for all dispatches
54 void dispatch_base(TosState state, address* table, bool verifyoop = true);
55 #endif // CC_INTERP
56
57 public:
58 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
59
60 void load_earlyret_value(TosState state);
61
62 #ifdef CC_INTERP
63 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
64 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
65
66 // Helpers for runtime call arguments/results
67 void get_method(Register reg);
68
69 #else
70
71 // Interpreter-specific registers
72 void save_bcp() {
73 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
74 }
75
76 void restore_bcp() {
77 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
78 }
207 Register scratch, bool preloaded,
208 Condition cond, Label* where);
209 void set_mdp_flag_at(Register mdp_in, int flag_constant);
210 void test_mdp_data_at(Register mdp_in, int offset, Register value,
211 Register test_value_out,
212 Label& not_equal_continue);
213
214 void record_klass_in_profile(Register receiver, Register mdp,
215 Register reg2, bool is_virtual_call);
216 void record_klass_in_profile_helper(Register receiver, Register mdp,
217 Register reg2, int start_row,
218 Label& done, bool is_virtual_call);
219
220 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
221 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
222 void update_mdp_by_constant(Register mdp_in, int constant);
223 void update_mdp_for_ret(Register return_bci);
224
225 void profile_taken_branch(Register mdp, Register bumped_count);
226 void profile_not_taken_branch(Register mdp);
227 void profile_obj_type(Register obj, const Address& mdo_addr);
228 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
229 void profile_return_type(Register mdp, Register ret, Register tmp);
230 void profile_call(Register mdp);
231 void profile_final_call(Register mdp);
232 void profile_virtual_call(Register receiver, Register mdp,
233 Register scratch2,
234 bool receiver_can_be_null = false);
235 void profile_ret(Register return_bci, Register mdp);
236 void profile_null_seen(Register mdp);
237 void profile_typecheck(Register mdp, Register klass, Register scratch);
238 void profile_typecheck_failed(Register mdp);
239 void profile_switch_default(Register mdp);
240 void profile_switch_case(Register index_in_scratch, Register mdp,
241 Register scratch2);
242
243 // Debugging
244 // only if +VerifyOops && state == atos
245 void verify_oop(Register reg, TosState state = atos);
246 // only if +VerifyFPU && (state == ftos || state == dtos)
247 void verify_FPU(int stack_depth, TosState state = ftos);
248
249 #endif // !CC_INTERP
250
251 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
252
253 // support for jvmti/dtrace
254 void notify_method_entry();
255 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
256 };
257
258 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CC_INTERP
26 protected:
27 // Interpreter specific version of call_VM_base
28 virtual void call_VM_leaf_base(address entry_point,
29 int number_of_arguments);
30
31 virtual void call_VM_base(Register oop_result,
32 Register java_thread,
33 Register last_java_sp,
34 address entry_point,
35 int number_of_arguments,
36 bool check_exceptions);
37
38 virtual void check_and_handle_popframe(Register java_thread);
39 virtual void check_and_handle_earlyret(Register java_thread);
40
41 // base routine for all dispatches
42 void dispatch_base(TosState state, address* table, bool verifyoop = true);
43 #endif // CC_INTERP
44
45 public:
46 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(r14), _bcp_register(r13) {}
47
48 void load_earlyret_value(TosState state);
49
50 #ifdef CC_INTERP
51 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
52 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
53
54 // Helpers for runtime call arguments/results
55 void get_method(Register reg);
56
57 #else
58
59 // Interpreter-specific registers
60 void save_bcp() {
61 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13);
62 }
63
64 void restore_bcp() {
65 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize));
66 }
195 Register scratch, bool preloaded,
196 Condition cond, Label* where);
197 void set_mdp_flag_at(Register mdp_in, int flag_constant);
198 void test_mdp_data_at(Register mdp_in, int offset, Register value,
199 Register test_value_out,
200 Label& not_equal_continue);
201
202 void record_klass_in_profile(Register receiver, Register mdp,
203 Register reg2, bool is_virtual_call);
204 void record_klass_in_profile_helper(Register receiver, Register mdp,
205 Register reg2, int start_row,
206 Label& done, bool is_virtual_call);
207
208 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
209 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
210 void update_mdp_by_constant(Register mdp_in, int constant);
211 void update_mdp_for_ret(Register return_bci);
212
213 void profile_taken_branch(Register mdp, Register bumped_count);
214 void profile_not_taken_branch(Register mdp);
215 void profile_call(Register mdp);
216 void profile_final_call(Register mdp);
217 void profile_virtual_call(Register receiver, Register mdp,
218 Register scratch2,
219 bool receiver_can_be_null = false);
220 void profile_ret(Register return_bci, Register mdp);
221 void profile_null_seen(Register mdp);
222 void profile_typecheck(Register mdp, Register klass, Register scratch);
223 void profile_typecheck_failed(Register mdp);
224 void profile_switch_default(Register mdp);
225 void profile_switch_case(Register index_in_scratch, Register mdp,
226 Register scratch2);
227
228 // Debugging
229 // only if +VerifyOops && state == atos
230 void verify_oop(Register reg, TosState state = atos);
231 // only if +VerifyFPU && (state == ftos || state == dtos)
232 void verify_FPU(int stack_depth, TosState state = ftos);
233
234 #endif // !CC_INTERP
235
236 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
237
238 // support for jvmti/dtrace
239 void notify_method_entry();
240 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
|