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_32_HPP
26 #define CPU_X86_VM_INTERP_MASM_X86_32_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(
41 address entry_point,
42 int number_of_arguments
43 );
44
45 virtual void call_VM_base(
46 Register oop_result,
47 Register java_thread,
48 Register last_java_sp,
49 address entry_point,
50 int number_of_arguments,
51 bool check_exceptions
52 );
53
54 virtual void check_and_handle_popframe(Register java_thread);
55 virtual void check_and_handle_earlyret(Register java_thread);
56
57 // base routine for all dispatches
58 void dispatch_base(TosState state, address* table, bool verifyoop = true);
59 #endif /* CC_INTERP */
60
61 public:
62 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
63
64 void load_earlyret_value(TosState state);
65
66 // Interpreter-specific registers
67 #ifdef CC_INTERP
68 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
69 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
70
71 // Helpers for runtime call arguments/results
72 void get_method(Register reg);
73
74 #else
75
76 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
77 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
78 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
79
80 // Helpers for runtime call arguments/results
81 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
82 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
198 Register scratch, bool preloaded,
199 Condition cond, Label* where);
200 void set_mdp_flag_at(Register mdp_in, int flag_constant);
201 void test_mdp_data_at(Register mdp_in, int offset, Register value,
202 Register test_value_out,
203 Label& not_equal_continue);
204
205 void record_klass_in_profile(Register receiver, Register mdp,
206 Register reg2, bool is_virtual_call);
207 void record_klass_in_profile_helper(Register receiver, Register mdp,
208 Register reg2, int start_row,
209 Label& done, bool is_virtual_call);
210
211 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
212 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
213 void update_mdp_by_constant(Register mdp_in, int constant);
214 void update_mdp_for_ret(Register return_bci);
215
216 void profile_taken_branch(Register mdp, Register bumped_count);
217 void profile_not_taken_branch(Register mdp);
218 void profile_obj_type(Register obj, const Address& mdo_addr);
219 void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
220 void profile_return_type(Register mdp, Register ret, Register tmp);
221 void profile_call(Register mdp);
222 void profile_final_call(Register mdp);
223 void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
224 bool receiver_can_be_null = false);
225 void profile_ret(Register return_bci, Register mdp);
226 void profile_null_seen(Register mdp);
227 void profile_typecheck(Register mdp, Register klass, Register scratch);
228 void profile_typecheck_failed(Register mdp);
229 void profile_switch_default(Register mdp);
230 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
231
232 #endif /* !CC_INTERP */
233
234 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
235
236 // support for jvmti
237 void notify_method_entry();
238 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
239
240 };
241
242 #endif // CPU_X86_VM_INTERP_MASM_X86_32_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(
29 address entry_point,
30 int number_of_arguments
31 );
32
33 virtual void call_VM_base(
34 Register oop_result,
35 Register java_thread,
36 Register last_java_sp,
37 address entry_point,
38 int number_of_arguments,
39 bool check_exceptions
40 );
41
42 virtual void check_and_handle_popframe(Register java_thread);
43 virtual void check_and_handle_earlyret(Register java_thread);
44
45 // base routine for all dispatches
46 void dispatch_base(TosState state, address* table, bool verifyoop = true);
47 #endif /* CC_INTERP */
48
49 public:
50 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(rdi), _bcp_register(rsi) {}
51
52 void load_earlyret_value(TosState state);
53
54 // Interpreter-specific registers
55 #ifdef CC_INTERP
56 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
57 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
58
59 // Helpers for runtime call arguments/results
60 void get_method(Register reg);
61
62 #else
63
64 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
65 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
66 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
67
68 // Helpers for runtime call arguments/results
69 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
70 void get_const(Register reg) { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
186 Register scratch, bool preloaded,
187 Condition cond, Label* where);
188 void set_mdp_flag_at(Register mdp_in, int flag_constant);
189 void test_mdp_data_at(Register mdp_in, int offset, Register value,
190 Register test_value_out,
191 Label& not_equal_continue);
192
193 void record_klass_in_profile(Register receiver, Register mdp,
194 Register reg2, bool is_virtual_call);
195 void record_klass_in_profile_helper(Register receiver, Register mdp,
196 Register reg2, int start_row,
197 Label& done, bool is_virtual_call);
198
199 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
200 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
201 void update_mdp_by_constant(Register mdp_in, int constant);
202 void update_mdp_for_ret(Register return_bci);
203
204 void profile_taken_branch(Register mdp, Register bumped_count);
205 void profile_not_taken_branch(Register mdp);
206 void profile_call(Register mdp);
207 void profile_final_call(Register mdp);
208 void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
209 bool receiver_can_be_null = false);
210 void profile_ret(Register return_bci, Register mdp);
211 void profile_null_seen(Register mdp);
212 void profile_typecheck(Register mdp, Register klass, Register scratch);
213 void profile_typecheck_failed(Register mdp);
214 void profile_switch_default(Register mdp);
215 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
216
217 #endif /* !CC_INTERP */
218
219 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
220
221 // support for jvmti
222 void notify_method_entry();
223 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
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