Mercurial > hg > truffle
annotate src/cpu/x86/vm/interp_masm_x86_64.hpp @ 2119:d4fca0a6abde
7011386: race in objArrayKlass::array_klass_impl
Summary: Move _lower_dimension field initialization before _higher_dimension and add storestore barrier.
Reviewed-by: dholmes, iveresov, never
author | kvn |
---|---|
date | Tue, 11 Jan 2011 20:26:13 -0800 |
parents | f95d63e2154a |
children | 2e038ad0c1d0 |
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 | |
1972 | 25 #ifndef CPU_X86_VM_INTERP_MASM_X86_64_HPP |
26 #define CPU_X86_VM_INTERP_MASM_X86_64_HPP | |
27 | |
28 #include "assembler_x86.inline.hpp" | |
29 #include "interpreter/invocationCounter.hpp" | |
30 | |
0 | 31 // This file specializes the assember with interpreter-specific macros |
32 | |
33 | |
304 | 34 class InterpreterMacroAssembler: public MacroAssembler { |
35 #ifndef CC_INTERP | |
0 | 36 protected: |
37 // Interpreter specific version of call_VM_base | |
38 virtual void call_VM_leaf_base(address entry_point, | |
39 int number_of_arguments); | |
40 | |
41 virtual void call_VM_base(Register oop_result, | |
42 Register java_thread, | |
43 Register last_java_sp, | |
44 address entry_point, | |
45 int number_of_arguments, | |
46 bool check_exceptions); | |
47 | |
48 virtual void check_and_handle_popframe(Register java_thread); | |
49 virtual void check_and_handle_earlyret(Register java_thread); | |
50 | |
51 // base routine for all dispatches | |
52 void dispatch_base(TosState state, address* table, bool verifyoop = true); | |
304 | 53 #endif // CC_INTERP |
0 | 54 |
55 public: | |
304 | 56 InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
0 | 57 |
58 void load_earlyret_value(TosState state); | |
59 | |
304 | 60 #ifdef CC_INTERP |
61 void save_bcp() { /* not needed in c++ interpreter and harmless */ } | |
62 void restore_bcp() { /* not needed in c++ interpreter and harmless */ } | |
63 | |
64 // Helpers for runtime call arguments/results | |
65 void get_method(Register reg); | |
66 | |
67 #else | |
68 | |
0 | 69 // Interpreter-specific registers |
304 | 70 void save_bcp() { |
71 movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); | |
0 | 72 } |
73 | |
304 | 74 void restore_bcp() { |
75 movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); | |
0 | 76 } |
77 | |
304 | 78 void restore_locals() { |
79 movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); | |
0 | 80 } |
81 | |
82 // Helpers for runtime call arguments/results | |
304 | 83 void get_method(Register reg) { |
84 movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); | |
0 | 85 } |
86 | |
304 | 87 void get_constant_pool(Register reg) { |
0 | 88 get_method(reg); |
304 | 89 movptr(reg, Address(reg, methodOopDesc::constants_offset())); |
0 | 90 } |
91 | |
304 | 92 void get_constant_pool_cache(Register reg) { |
0 | 93 get_constant_pool(reg); |
304 | 94 movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); |
0 | 95 } |
96 | |
304 | 97 void get_cpool_and_tags(Register cpool, Register tags) { |
0 | 98 get_constant_pool(cpool); |
304 | 99 movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes())); |
0 | 100 } |
101 | |
102 void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset); | |
103 void get_cache_and_index_at_bcp(Register cache, Register index, | |
1565 | 104 int bcp_offset, size_t index_size = sizeof(u2)); |
0 | 105 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, |
1565 | 106 int bcp_offset, size_t index_size = sizeof(u2)); |
107 void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2)); | |
0 | 108 |
304 | 109 |
0 | 110 void pop_ptr(Register r = rax); |
111 void pop_i(Register r = rax); | |
112 void pop_l(Register r = rax); | |
113 void pop_f(XMMRegister r = xmm0); | |
114 void pop_d(XMMRegister r = xmm0); | |
115 void push_ptr(Register r = rax); | |
116 void push_i(Register r = rax); | |
117 void push_l(Register r = rax); | |
118 void push_f(XMMRegister r = xmm0); | |
119 void push_d(XMMRegister r = xmm0); | |
120 | |
304 | 121 void pop(Register r ) { ((MacroAssembler*)this)->pop(r); } |
122 | |
123 void push(Register r ) { ((MacroAssembler*)this)->push(r); } | |
124 void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); } | |
125 | |
0 | 126 void pop(TosState state); // transition vtos -> state |
127 void push(TosState state); // transition state -> vtos | |
128 | |
1506 | 129 void empty_expression_stack() { |
304 | 130 movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
0 | 131 // NULL last_sp until next java call |
304 | 132 movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 133 } |
134 | |
1506 | 135 // Helpers for swap and dup |
136 void load_ptr(int n, Register val); | |
137 void store_ptr(int n, Register val); | |
138 | |
0 | 139 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls |
140 void super_call_VM_leaf(address entry_point); | |
141 void super_call_VM_leaf(address entry_point, Register arg_1); | |
142 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); | |
143 void super_call_VM_leaf(address entry_point, | |
144 Register arg_1, Register arg_2, Register arg_3); | |
145 | |
146 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
147 // a subtype of super_klass. | |
148 void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); | |
149 | |
150 // Dispatching | |
151 void dispatch_prolog(TosState state, int step = 0); | |
152 void dispatch_epilog(TosState state, int step = 0); | |
153 // dispatch via ebx (assume ebx is loaded already) | |
154 void dispatch_only(TosState state); | |
155 // dispatch normal table via ebx (assume ebx is loaded already) | |
156 void dispatch_only_normal(TosState state); | |
157 void dispatch_only_noverify(TosState state); | |
158 // load ebx from [esi + step] and dispatch via ebx | |
159 void dispatch_next(TosState state, int step = 0); | |
160 // load ebx from [esi] and dispatch via ebx and table | |
161 void dispatch_via (TosState state, address* table); | |
162 | |
163 // jump to an invoked target | |
710 | 164 void prepare_to_jump_from_interpreted(); |
0 | 165 void jump_from_interpreted(Register method, Register temp); |
166 | |
167 | |
168 // Returning from interpreted functions | |
169 // | |
170 // Removes the current activation (incl. unlocking of monitors) | |
171 // and sets up the return address. This code is also used for | |
172 // exception unwindwing. In that case, we do not want to throw | |
173 // IllegalMonitorStateExceptions, since that might get us into an | |
174 // infinite rethrow exception loop. | |
175 // Additionally this code is used for popFrame and earlyReturn. | |
176 // In popFrame case we want to skip throwing an exception, | |
177 // installing an exception, and notifying jvmdi. | |
178 // In earlyReturn case we only want to skip throwing an exception | |
179 // and installing an exception. | |
180 void remove_activation(TosState state, Register ret_addr, | |
181 bool throw_monitor_exception = true, | |
182 bool install_monitor_exception = true, | |
183 bool notify_jvmdi = true); | |
304 | 184 #endif // CC_INTERP |
0 | 185 |
186 // Object locking | |
187 void lock_object (Register lock_reg); | |
188 void unlock_object(Register lock_reg); | |
189 | |
304 | 190 #ifndef CC_INTERP |
191 | |
0 | 192 // Interpreter profiling operations |
193 void set_method_data_pointer_for_bcp(); | |
194 void test_method_data_pointer(Register mdp, Label& zero_continue); | |
195 void verify_method_data_pointer(); | |
196 | |
197 void set_mdp_data_at(Register mdp_in, int constant, Register value); | |
198 void increment_mdp_data_at(Address data, bool decrement = false); | |
199 void increment_mdp_data_at(Register mdp_in, int constant, | |
200 bool decrement = false); | |
201 void increment_mdp_data_at(Register mdp_in, Register reg, int constant, | |
202 bool decrement = false); | |
1783 | 203 void increment_mask_and_jump(Address counter_addr, |
204 int increment, int mask, | |
205 Register scratch, bool preloaded, | |
206 Condition cond, Label* where); | |
0 | 207 void set_mdp_flag_at(Register mdp_in, int flag_constant); |
208 void test_mdp_data_at(Register mdp_in, int offset, Register value, | |
209 Register test_value_out, | |
210 Label& not_equal_continue); | |
211 | |
212 void record_klass_in_profile(Register receiver, Register mdp, | |
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213 Register reg2, bool is_virtual_call); |
0 | 214 void record_klass_in_profile_helper(Register receiver, Register mdp, |
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215 Register reg2, int start_row, |
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216 Label& done, bool is_virtual_call); |
0 | 217 |
218 void update_mdp_by_offset(Register mdp_in, int offset_of_offset); | |
219 void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); | |
220 void update_mdp_by_constant(Register mdp_in, int constant); | |
221 void update_mdp_for_ret(Register return_bci); | |
222 | |
223 void profile_taken_branch(Register mdp, Register bumped_count); | |
224 void profile_not_taken_branch(Register mdp); | |
225 void profile_call(Register mdp); | |
226 void profile_final_call(Register mdp); | |
227 void profile_virtual_call(Register receiver, Register mdp, | |
1108 | 228 Register scratch2, |
229 bool receiver_can_be_null = false); | |
0 | 230 void profile_ret(Register return_bci, Register mdp); |
231 void profile_null_seen(Register mdp); | |
232 void profile_typecheck(Register mdp, Register klass, Register scratch); | |
233 void profile_typecheck_failed(Register mdp); | |
234 void profile_switch_default(Register mdp); | |
235 void profile_switch_case(Register index_in_scratch, Register mdp, | |
236 Register scratch2); | |
237 | |
238 // Debugging | |
239 // only if +VerifyOops && state == atos | |
240 void verify_oop(Register reg, TosState state = atos); | |
241 // only if +VerifyFPU && (state == ftos || state == dtos) | |
242 void verify_FPU(int stack_depth, TosState state = ftos); | |
243 | |
304 | 244 #endif // !CC_INTERP |
245 | |
0 | 246 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
247 | |
248 // support for jvmti/dtrace | |
249 void notify_method_entry(); | |
250 void notify_method_exit(TosState state, NotifyMethodExitMode mode); | |
251 }; | |
1972 | 252 |
253 #endif // CPU_X86_VM_INTERP_MASM_X86_64_HPP |