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--- old/src/cpu/x86/vm/interp_masm_x86_32.hpp
+++ new/src/cpu/x86/vm/interp_masm_x86_32.hpp
1 1 /*
2 2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 *
23 23 */
24 24
25 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_32_HPP
26 26 #define CPU_X86_VM_INTERP_MASM_X86_32_HPP
27 27
28 28 #include "assembler_x86.inline.hpp"
29 29 #include "interpreter/invocationCounter.hpp"
30 30
31 31 // This file specializes the assember with interpreter-specific macros
32 32
33 33
34 34 class InterpreterMacroAssembler: public MacroAssembler {
35 35 #ifndef CC_INTERP
36 36 protected:
37 37 // Interpreter specific version of call_VM_base
38 38 virtual void call_VM_leaf_base(
39 39 address entry_point,
40 40 int number_of_arguments
41 41 );
42 42
43 43 virtual void call_VM_base(
44 44 Register oop_result,
45 45 Register java_thread,
46 46 Register last_java_sp,
47 47 address entry_point,
48 48 int number_of_arguments,
49 49 bool check_exceptions
50 50 );
51 51
52 52 virtual void check_and_handle_popframe(Register java_thread);
53 53 virtual void check_and_handle_earlyret(Register java_thread);
54 54
55 55 // base routine for all dispatches
56 56 void dispatch_base(TosState state, address* table, bool verifyoop = true);
57 57 #endif /* CC_INTERP */
58 58
59 59 public:
60 60 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
61 61
62 62 void load_earlyret_value(TosState state);
63 63
64 64 // Interpreter-specific registers
65 65 #ifdef CC_INTERP
66 66 void save_bcp() { /* not needed in c++ interpreter and harmless */ }
67 67 void restore_bcp() { /* not needed in c++ interpreter and harmless */ }
68 68
69 69 // Helpers for runtime call arguments/results
70 70 void get_method(Register reg);
71 71
72 72 #else
73 73
74 74 void save_bcp() { movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), rsi); }
75 75 void restore_bcp() { movptr(rsi, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); }
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76 76 void restore_locals() { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
77 77
78 78 // Helpers for runtime call arguments/results
79 79 void get_method(Register reg) { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
80 80 void get_constant_pool(Register reg) { get_method(reg); movptr(reg, Address(reg, methodOopDesc::constants_offset())); }
81 81 void get_constant_pool_cache(Register reg) { get_constant_pool(reg); movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); }
82 82 void get_cpool_and_tags(Register cpool, Register tags) { get_constant_pool(cpool); movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes()));
83 83 }
84 84 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
85 85 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
86 + void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2));
86 87 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
87 88 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
88 89
89 90 // Expression stack
90 91 void f2ieee(); // truncate ftos to 32bits
91 92 void d2ieee(); // truncate dtos to 64bits
92 93
93 94 void pop_ptr(Register r = rax);
94 95 void pop_i(Register r = rax);
95 96 void pop_l(Register lo = rax, Register hi = rdx);
96 97 void pop_f();
97 98 void pop_d();
98 99
99 100 void push_ptr(Register r = rax);
100 101 void push_i(Register r = rax);
101 102 void push_l(Register lo = rax, Register hi = rdx);
102 103 void push_d(Register r = rax);
103 104 void push_f();
104 105
105 106 void pop(TosState state); // transition vtos -> state
106 107 void push(TosState state); // transition state -> vtos
107 108
108 109 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
109 110
110 111 void push(Register r ) { ((MacroAssembler*)this)->push(r); }
111 112 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
112 113
113 114 // These are dummies to prevent surprise implicit conversions to Register
114 115 void pop(void* v ); // Add unimplemented ambiguous method
115 116 void push(void* v ); // Add unimplemented ambiguous method
116 117
117 118 void empty_expression_stack() {
118 119 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
119 120 // NULL last_sp until next java call
120 121 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
121 122 }
122 123
123 124 // Helpers for swap and dup
124 125 void load_ptr(int n, Register val);
125 126 void store_ptr(int n, Register val);
126 127
127 128 // Generate a subtype check: branch to ok_is_subtype if sub_klass is
128 129 // a subtype of super_klass. EAX holds the super_klass. Blows ECX
129 130 // and EDI. Register sub_klass cannot be any of the above.
130 131 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
131 132
132 133 // Dispatching
133 134 void dispatch_prolog(TosState state, int step = 0);
134 135 void dispatch_epilog(TosState state, int step = 0);
135 136 void dispatch_only(TosState state); // dispatch via rbx, (assume rbx, is loaded already)
136 137 void dispatch_only_normal(TosState state); // dispatch normal table via rbx, (assume rbx, is loaded already)
137 138 void dispatch_only_noverify(TosState state);
138 139 void dispatch_next(TosState state, int step = 0); // load rbx, from [esi + step] and dispatch via rbx,
139 140 void dispatch_via (TosState state, address* table); // load rbx, from [esi] and dispatch via rbx, and table
140 141
141 142
142 143 // jump to an invoked target
143 144 void prepare_to_jump_from_interpreted();
144 145 void jump_from_interpreted(Register method, Register temp);
145 146
146 147 // Returning from interpreted functions
147 148 //
148 149 // Removes the current activation (incl. unlocking of monitors)
149 150 // and sets up the return address. This code is also used for
150 151 // exception unwindwing. In that case, we do not want to throw
151 152 // IllegalMonitorStateExceptions, since that might get us into an
152 153 // infinite rethrow exception loop.
153 154 // Additionally this code is used for popFrame and earlyReturn.
154 155 // In popFrame case we want to skip throwing an exception,
155 156 // installing an exception, and notifying jvmdi.
156 157 // In earlyReturn case we only want to skip throwing an exception
157 158 // and installing an exception.
158 159 void remove_activation(TosState state, Register ret_addr,
159 160 bool throw_monitor_exception = true,
160 161 bool install_monitor_exception = true,
161 162 bool notify_jvmdi = true);
162 163 #endif /* !CC_INTERP */
163 164
164 165 // Debugging
165 166 void verify_oop(Register reg, TosState state = atos); // only if +VerifyOops && state == atos
166 167 #ifndef CC_INTERP
167 168 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos)
168 169
169 170 #endif /* !CC_INTERP */
170 171
171 172 // Object locking
172 173 void lock_object (Register lock_reg);
173 174 void unlock_object(Register lock_reg);
174 175
175 176 #ifndef CC_INTERP
176 177
177 178 // Interpreter profiling operations
178 179 void set_method_data_pointer_for_bcp();
179 180 void test_method_data_pointer(Register mdp, Label& zero_continue);
180 181 void verify_method_data_pointer();
181 182
182 183 void set_mdp_data_at(Register mdp_in, int constant, Register value);
183 184 void increment_mdp_data_at(Address data, bool decrement = false);
184 185 void increment_mdp_data_at(Register mdp_in, int constant,
185 186 bool decrement = false);
186 187 void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
187 188 bool decrement = false);
188 189 void increment_mask_and_jump(Address counter_addr,
189 190 int increment, int mask,
190 191 Register scratch, bool preloaded,
191 192 Condition cond, Label* where);
192 193 void set_mdp_flag_at(Register mdp_in, int flag_constant);
193 194 void test_mdp_data_at(Register mdp_in, int offset, Register value,
194 195 Register test_value_out,
195 196 Label& not_equal_continue);
196 197
197 198 void record_klass_in_profile(Register receiver, Register mdp,
198 199 Register reg2, bool is_virtual_call);
199 200 void record_klass_in_profile_helper(Register receiver, Register mdp,
200 201 Register reg2, int start_row,
201 202 Label& done, bool is_virtual_call);
202 203
203 204 void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
204 205 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
205 206 void update_mdp_by_constant(Register mdp_in, int constant);
206 207 void update_mdp_for_ret(Register return_bci);
207 208
208 209 void profile_taken_branch(Register mdp, Register bumped_count);
209 210 void profile_not_taken_branch(Register mdp);
210 211 void profile_call(Register mdp);
211 212 void profile_final_call(Register mdp);
212 213 void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
213 214 bool receiver_can_be_null = false);
214 215 void profile_ret(Register return_bci, Register mdp);
215 216 void profile_null_seen(Register mdp);
216 217 void profile_typecheck(Register mdp, Register klass, Register scratch);
217 218 void profile_typecheck_failed(Register mdp);
218 219 void profile_switch_default(Register mdp);
219 220 void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
220 221
221 222 #endif /* !CC_INTERP */
222 223
223 224 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
224 225
225 226 // support for jvmti
226 227 void notify_method_entry();
227 228 void notify_method_exit(TosState state, NotifyMethodExitMode mode);
228 229
229 230 };
230 231
231 232 #endif // CPU_X86_VM_INTERP_MASM_X86_32_HPP
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