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annotate src/cpu/x86/vm/interp_masm_x86_64.hpp @ 1683:99ceb0e99c9e
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author | never |
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date | Mon, 26 Jul 2010 15:58:07 -0700 |
parents | e9ff18c4ace7 |
children | d5d065957597 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // This file specializes the assember with interpreter-specific macros | |
26 | |
27 | |
304 | 28 class InterpreterMacroAssembler: public MacroAssembler { |
29 #ifndef CC_INTERP | |
0 | 30 protected: |
31 // Interpreter specific version of call_VM_base | |
32 virtual void call_VM_leaf_base(address entry_point, | |
33 int number_of_arguments); | |
34 | |
35 virtual void call_VM_base(Register oop_result, | |
36 Register java_thread, | |
37 Register last_java_sp, | |
38 address entry_point, | |
39 int number_of_arguments, | |
40 bool check_exceptions); | |
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); | |
304 | 47 #endif // CC_INTERP |
0 | 48 |
49 public: | |
304 | 50 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
0 | 51 |
52 void load_earlyret_value(TosState state); | |
53 | |
304 | 54 #ifdef CC_INTERP |
55 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
56 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
57 | |
58 // Helpers for runtime call arguments/results | |
59 void get_method(Register reg); | |
60 | |
61 #else | |
62 | |
0 | 63 // Interpreter-specific registers |
304 | 64 void save_bcp() { |
65 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); | |
0 | 66 } |
67 | |
304 | 68 void restore_bcp() { |
69 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); | |
0 | 70 } |
71 | |
304 | 72 void restore_locals() { |
73 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); | |
0 | 74 } |
75 | |
76 // Helpers for runtime call arguments/results | |
304 | 77 void get_method(Register reg) { |
78 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); | |
0 | 79 } |
80 | |
304 | 81 void get_constant_pool(Register reg) { |
0 | 82 get_method(reg); |
304 | 83 movptr(reg, Address(reg, methodOopDesc::constants_offset())); |
0 | 84 } |
85 | |
304 | 86 void get_constant_pool_cache(Register reg) { |
0 | 87 get_constant_pool(reg); |
304 | 88 movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); |
0 | 89 } |
90 | |
304 | 91 void get_cpool_and_tags(Register cpool, Register tags) { |
0 | 92 get_constant_pool(cpool); |
304 | 93 movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes())); |
0 | 94 } |
95 | |
96 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
97 void get_cache_and_index_at_bcp(Register cache, Register index, | |
1565 | 98 int bcp_offset, size_t index_size = sizeof(u2)); |
0 | 99 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, |
1565 | 100 int bcp_offset, size_t index_size = sizeof(u2)); |
101 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); | |
0 | 102 |
304 | 103 |
0 | 104 void pop_ptr(Register r = rax); |
105 void pop_i(Register r = rax); | |
106 void pop_l(Register r = rax); | |
107 void pop_f(XMMRegister r = xmm0); | |
108 void pop_d(XMMRegister r = xmm0); | |
109 void push_ptr(Register r = rax); | |
110 void push_i(Register r = rax); | |
111 void push_l(Register r = rax); | |
112 void push_f(XMMRegister r = xmm0); | |
113 void push_d(XMMRegister r = xmm0); | |
114 | |
304 | 115 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
116 | |
117 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
118 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
119 | |
0 | 120 void pop(TosState state); // transition vtos -> state |
121 void push(TosState state); // transition state -> vtos | |
122 | |
1506 | 123 void empty_expression_stack() { |
304 | 124 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
0 | 125 // NULL last_sp until next java call |
304 | 126 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 127 } |
128 | |
1506 | 129 // Helpers for swap and dup |
130 void load_ptr(int n, Register val); | |
131 void store_ptr(int n, Register val); | |
132 | |
0 | 133 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls |
134 void super_call_VM_leaf(address entry_point); | |
135 void super_call_VM_leaf(address entry_point, Register arg_1); | |
136 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); | |
137 void super_call_VM_leaf(address entry_point, | |
138 Register arg_1, Register arg_2, Register arg_3); | |
139 | |
140 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
141 // a subtype of super_klass. | |
142 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
143 | |
144 // Dispatching | |
145 void dispatch_prolog(TosState state, int step = 0); | |
146 void dispatch_epilog(TosState state, int step = 0); | |
147 // dispatch via ebx (assume ebx is loaded already) | |
148 void dispatch_only(TosState state); | |
149 // dispatch normal table via ebx (assume ebx is loaded already) | |
150 void dispatch_only_normal(TosState state); | |
151 void dispatch_only_noverify(TosState state); | |
152 // load ebx from [esi + step] and dispatch via ebx | |
153 void dispatch_next(TosState state, int step = 0); | |
154 // load ebx from [esi] and dispatch via ebx and table | |
155 void dispatch_via (TosState state, address* table); | |
156 | |
157 // jump to an invoked target | |
710 | 158 void prepare_to_jump_from_interpreted(); |
0 | 159 void jump_from_interpreted(Register method, Register temp); |
160 | |
161 | |
162 // Returning from interpreted functions | |
163 // | |
164 // Removes the current activation (incl. unlocking of monitors) | |
165 // and sets up the return address. This code is also used for | |
166 // exception unwindwing. In that case, we do not want to throw | |
167 // IllegalMonitorStateExceptions, since that might get us into an | |
168 // infinite rethrow exception loop. | |
169 // Additionally this code is used for popFrame and earlyReturn. | |
170 // In popFrame case we want to skip throwing an exception, | |
171 // installing an exception, and notifying jvmdi. | |
172 // In earlyReturn case we only want to skip throwing an exception | |
173 // and installing an exception. | |
174 void remove_activation(TosState state, Register ret_addr, | |
175 bool throw_monitor_exception = true, | |
176 bool install_monitor_exception = true, | |
177 bool notify_jvmdi = true); | |
304 | 178 #endif // CC_INTERP |
0 | 179 |
180 // Object locking | |
181 void lock_object (Register lock_reg); | |
182 void unlock_object(Register lock_reg); | |
183 | |
304 | 184 #ifndef CC_INTERP |
185 | |
0 | 186 // Interpreter profiling operations |
187 void set_method_data_pointer_for_bcp(); | |
188 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
189 void verify_method_data_pointer(); | |
190 | |
191 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
192 void increment_mdp_data_at(Address data, bool decrement = false); | |
193 void increment_mdp_data_at(Register mdp_in, int constant, | |
194 bool decrement = false); | |
195 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
196 bool decrement = false); | |
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, | |
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203 Register reg2, bool is_virtual_call); |
0 | 204 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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205 Register reg2, int start_row, |
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206 Label& done, bool is_virtual_call); |
0 | 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, | |
1108 | 218 Register scratch2, |
219 bool receiver_can_be_null = false); | |
0 | 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 | |
304 | 234 #endif // !CC_INTERP |
235 | |
0 | 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); | |
241 }; |