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annotate src/cpu/x86/vm/interp_masm_x86_64.hpp @ 8654:3bbad4ec6510
new phase: PushNodesThroughPi
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Thu, 04 Apr 2013 16:03:08 +0200 |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2012, 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 | |
1972 | 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP |
26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP | |
27 | |
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28 #include "asm/macroAssembler.hpp" |
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29 #include "asm/macroAssembler.inline.hpp" |
1972 | 30 #include "interpreter/invocationCounter.hpp" |
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31 #include "runtime/frame.hpp" |
1972 | 32 |
0 | 33 // This file specializes the assember with interpreter-specific macros |
34 | |
35 | |
304 | 36 class InterpreterMacroAssembler: public MacroAssembler { |
37 #ifndef CC_INTERP | |
0 | 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); | |
304 | 55 #endif // CC_INTERP |
0 | 56 |
57 public: | |
304 | 58 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
0 | 59 |
60 void load_earlyret_value(TosState state); | |
61 | |
304 | 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 | |
0 | 71 // Interpreter-specific registers |
304 | 72 void save_bcp() { |
73 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); | |
0 | 74 } |
75 | |
304 | 76 void restore_bcp() { |
77 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); | |
0 | 78 } |
79 | |
304 | 80 void restore_locals() { |
81 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); | |
0 | 82 } |
83 | |
84 // Helpers for runtime call arguments/results | |
304 | 85 void get_method(Register reg) { |
86 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); | |
0 | 87 } |
88 | |
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89 void get_const(Register reg) { |
0 | 90 get_method(reg); |
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91 movptr(reg, Address(reg, Method::const_offset())); |
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92 } |
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93 |
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94 void get_constant_pool(Register reg) { |
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95 get_const(reg); |
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96 movptr(reg, Address(reg, ConstMethod::constants_offset())); |
0 | 97 } |
98 | |
304 | 99 void get_constant_pool_cache(Register reg) { |
0 | 100 get_constant_pool(reg); |
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101 movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); |
0 | 102 } |
103 | |
304 | 104 void get_cpool_and_tags(Register cpool, Register tags) { |
0 | 105 get_constant_pool(cpool); |
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106 movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes())); |
0 | 107 } |
108 | |
109 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
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110 void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
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111 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)); |
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112 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
1565 | 113 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); |
0 | 114 |
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115 // load cpool->resolved_references(index); |
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116 void load_resolved_reference_at_index(Register result, Register index); |
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117 |
0 | 118 void pop_ptr(Register r = rax); |
119 void pop_i(Register r = rax); | |
120 void pop_l(Register r = rax); | |
121 void pop_f(XMMRegister r = xmm0); | |
122 void pop_d(XMMRegister r = xmm0); | |
123 void push_ptr(Register r = rax); | |
124 void push_i(Register r = rax); | |
125 void push_l(Register r = rax); | |
126 void push_f(XMMRegister r = xmm0); | |
127 void push_d(XMMRegister r = xmm0); | |
128 | |
304 | 129 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
130 | |
131 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
132 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
133 | |
0 | 134 void pop(TosState state); // transition vtos -> state |
135 void push(TosState state); // transition state -> vtos | |
136 | |
1506 | 137 void empty_expression_stack() { |
304 | 138 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
0 | 139 // NULL last_sp until next java call |
304 | 140 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 141 } |
142 | |
1506 | 143 // Helpers for swap and dup |
144 void load_ptr(int n, Register val); | |
145 void store_ptr(int n, Register val); | |
146 | |
0 | 147 // Generate a subtype check: branch to ok_is_subtype if sub_klass is |
148 // a subtype of super_klass. | |
149 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
150 | |
151 // Dispatching | |
152 void dispatch_prolog(TosState state, int step = 0); | |
153 void dispatch_epilog(TosState state, int step = 0); | |
154 // dispatch via ebx (assume ebx is loaded already) | |
155 void dispatch_only(TosState state); | |
156 // dispatch normal table via ebx (assume ebx is loaded already) | |
157 void dispatch_only_normal(TosState state); | |
158 void dispatch_only_noverify(TosState state); | |
159 // load ebx from [esi + step] and dispatch via ebx | |
160 void dispatch_next(TosState state, int step = 0); | |
161 // load ebx from [esi] and dispatch via ebx and table | |
162 void dispatch_via (TosState state, address* table); | |
163 | |
164 // jump to an invoked target | |
710 | 165 void prepare_to_jump_from_interpreted(); |
0 | 166 void jump_from_interpreted(Register method, Register temp); |
167 | |
168 | |
169 // Returning from interpreted functions | |
170 // | |
171 // Removes the current activation (incl. unlocking of monitors) | |
172 // and sets up the return address. This code is also used for | |
173 // exception unwindwing. In that case, we do not want to throw | |
174 // IllegalMonitorStateExceptions, since that might get us into an | |
175 // infinite rethrow exception loop. | |
176 // Additionally this code is used for popFrame and earlyReturn. | |
177 // In popFrame case we want to skip throwing an exception, | |
178 // installing an exception, and notifying jvmdi. | |
179 // In earlyReturn case we only want to skip throwing an exception | |
180 // and installing an exception. | |
181 void remove_activation(TosState state, Register ret_addr, | |
182 bool throw_monitor_exception = true, | |
183 bool install_monitor_exception = true, | |
184 bool notify_jvmdi = true); | |
304 | 185 #endif // CC_INTERP |
0 | 186 |
187 // Object locking | |
188 void lock_object (Register lock_reg); | |
189 void unlock_object(Register lock_reg); | |
190 | |
304 | 191 #ifndef CC_INTERP |
192 | |
0 | 193 // Interpreter profiling operations |
194 void set_method_data_pointer_for_bcp(); | |
195 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
196 void verify_method_data_pointer(); | |
197 | |
198 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
199 void increment_mdp_data_at(Address data, bool decrement = false); | |
200 void increment_mdp_data_at(Register mdp_in, int constant, | |
201 bool decrement = false); | |
202 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
203 bool decrement = false); | |
1783 | 204 void increment_mask_and_jump(Address counter_addr, |
205 int increment, int mask, | |
206 Register scratch, bool preloaded, | |
207 Condition cond, Label* where); | |
0 | 208 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
209 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
210 Register test_value_out, | |
211 Label& not_equal_continue); | |
212 | |
213 void record_klass_in_profile(Register receiver, Register mdp, | |
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214 Register reg2, bool is_virtual_call); |
0 | 215 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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216 Register reg2, int start_row, |
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217 Label& done, bool is_virtual_call); |
0 | 218 |
219 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
220 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
221 void update_mdp_by_constant(Register mdp_in, int constant); | |
222 void update_mdp_for_ret(Register return_bci); | |
223 | |
224 void profile_taken_branch(Register mdp, Register bumped_count); | |
225 void profile_not_taken_branch(Register mdp); | |
226 void profile_call(Register mdp); | |
227 void profile_final_call(Register mdp); | |
228 void profile_virtual_call(Register receiver, Register mdp, | |
1108 | 229 Register scratch2, |
230 bool receiver_can_be_null = false); | |
0 | 231 void profile_ret(Register return_bci, Register mdp); |
232 void profile_null_seen(Register mdp); | |
233 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
234 void profile_typecheck_failed(Register mdp); | |
235 void profile_switch_default(Register mdp); | |
236 void profile_switch_case(Register index_in_scratch, Register mdp, | |
237 Register scratch2); | |
238 | |
239 // Debugging | |
240 // only if +VerifyOops && state == atos | |
241 void verify_oop(Register reg, TosState state = atos); | |
242 // only if +VerifyFPU && (state == ftos || state == dtos) | |
243 void verify_FPU(int stack_depth, TosState state = ftos); | |
244 | |
304 | 245 #endif // !CC_INTERP |
246 | |
0 | 247 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
248 | |
249 // support for jvmti/dtrace | |
250 void notify_method_entry(); | |
251 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
252 }; | |
1972 | 253 |
254 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP |