Mercurial > hg > truffle
annotate src/cpu/sparc/vm/interp_masm_sparc.hpp @ 4059:44ce519bc3d1
7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer
Reviewed-by: kvn, jrose, twisti
author | never |
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date | Tue, 08 Nov 2011 10:31:53 -0800 |
parents | fdb992d83a87 |
children | 2fe087c3e814 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, 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_SPARC_VM_INTERP_MASM_SPARC_HPP |
26 #define CPU_SPARC_VM_INTERP_MASM_SPARC_HPP | |
27 | |
28 #include "assembler_sparc.inline.hpp" | |
29 #include "interpreter/invocationCounter.hpp" | |
30 | |
0 | 31 // This file specializes the assember with interpreter-specific macros |
32 | |
33 REGISTER_DECLARATION( Register, Otos_i , O0); // tos for ints, etc | |
34 REGISTER_DECLARATION( Register, Otos_l , O0); // for longs | |
35 REGISTER_DECLARATION( Register, Otos_l1, O0); // for 1st part of longs | |
36 REGISTER_DECLARATION( Register, Otos_l2, O1); // for 2nd part of longs | |
37 REGISTER_DECLARATION(FloatRegister, Ftos_f , F0); // for floats | |
38 REGISTER_DECLARATION(FloatRegister, Ftos_d , F0); // for doubles | |
39 REGISTER_DECLARATION(FloatRegister, Ftos_d1, F0); // for 1st part of double | |
40 REGISTER_DECLARATION(FloatRegister, Ftos_d2, F1); // for 2nd part of double | |
41 | |
42 #ifndef DONT_USE_REGISTER_DEFINES | |
43 #define Otos_i O0 | |
44 #define Otos_l O0 | |
45 #define Otos_l1 O0 | |
46 #define Otos_l2 O1 | |
47 #define Ftos_f F0 | |
48 #define Ftos_d F0 | |
49 #define Ftos_d1 F0 | |
50 #define Ftos_d2 F1 | |
51 #endif // DONT_USE_REGISTER_DEFINES | |
52 | |
53 class InterpreterMacroAssembler: public MacroAssembler { | |
54 protected: | |
55 #ifndef CC_INTERP | |
56 // Interpreter specific version of call_VM_base | |
57 virtual void call_VM_leaf_base( | |
58 Register java_thread, | |
59 address entry_point, | |
60 int number_of_arguments | |
61 ); | |
62 | |
63 virtual void call_VM_base( | |
64 Register oop_result, | |
65 Register java_thread, | |
66 Register last_java_sp, | |
67 address entry_point, | |
68 int number_of_arguments, | |
69 bool check_exception=true | |
70 ); | |
71 | |
72 virtual void check_and_handle_popframe(Register java_thread); | |
73 virtual void check_and_handle_earlyret(Register java_thread); | |
74 | |
75 // base routine for all dispatches | |
76 void dispatch_base(TosState state, address* table); | |
77 #endif /* CC_INTERP */ | |
78 | |
79 public: | |
80 InterpreterMacroAssembler(CodeBuffer* c) | |
81 : MacroAssembler(c) {} | |
82 | |
83 #ifndef CC_INTERP | |
84 virtual void load_earlyret_value(TosState state); | |
85 | |
86 static const Address l_tmp ; | |
87 static const Address d_tmp ; | |
88 #endif /* CC_INTERP */ | |
89 | |
90 // helper routine for frame allocation/deallocation | |
91 // compute the delta by which the caller's SP has to | |
92 // be adjusted to accomodate for the non-argument | |
93 // locals | |
94 void compute_extra_locals_size_in_bytes(Register args_size, Register locals_size, Register delta); | |
95 | |
96 #ifndef CC_INTERP | |
97 | |
98 // dispatch routines | |
99 void dispatch_prolog(TosState state, int step = 0); | |
100 void dispatch_epilog(TosState state, int step = 0); | |
101 void dispatch_only(TosState state); | |
102 void dispatch_normal(TosState state); | |
103 void dispatch_next(TosState state, int step = 0); | |
104 void dispatch_next_noverify_oop(TosState state, int step = 0); | |
105 void dispatch_via (TosState state, address* table); | |
106 | |
107 | |
108 // Removes the current activation (incl. unlocking of monitors). | |
109 // Additionally this code is used for earlyReturn in which case we | |
110 // want to skip throwing an exception and installing an exception. | |
111 void remove_activation(TosState state, | |
112 bool throw_monitor_exception = true, | |
113 bool install_monitor_exception = true); | |
114 | |
115 protected: | |
116 void dispatch_Lbyte_code(TosState state, address* table, int bcp_incr = 0, bool verify = true); | |
117 #endif /* CC_INTERP */ | |
118 | |
119 public: | |
120 // Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls | |
121 void super_call_VM(Register thread_cache, | |
122 Register oop_result, | |
123 Register last_java_sp, | |
124 address entry_point, | |
125 Register arg_1, | |
126 Register arg_2, | |
127 bool check_exception = true); | |
128 | |
129 #ifndef CC_INTERP | |
1295 | 130 void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1, Register arg_2); |
0 | 131 |
132 // Generate a subtype check: branch to ok_is_subtype if sub_klass is | |
133 // a subtype of super_klass. Blows registers tmp1, tmp2 and tmp3. | |
134 void gen_subtype_check( Register sub_klass, Register super_klass, Register tmp1, Register tmp2, Register tmp3, Label &ok_is_subtype ); | |
135 | |
136 // helpers for tossing exceptions | |
137 void throw_if_not_1_icc( Condition ok_condition, Label& ok ); | |
138 void throw_if_not_1_xcc( Condition ok_condition, Label& ok ); | |
139 void throw_if_not_1_x ( Condition ok_condition, Label& ok ); // chooses icc or xcc based on _LP64 | |
140 | |
141 void throw_if_not_2( address throw_entry_point, Register Rscratch, Label& ok); | |
142 | |
143 void throw_if_not_icc( Condition ok_condition, address throw_entry_point, Register Rscratch ); | |
144 void throw_if_not_xcc( Condition ok_condition, address throw_entry_point, Register Rscratch ); | |
145 void throw_if_not_x ( Condition ok_condition, address throw_entry_point, Register Rscratch ); | |
146 | |
147 // helpers for expression stack | |
148 | |
149 void pop_i( Register r = Otos_i); | |
150 void pop_ptr( Register r = Otos_i, Register scratch = O4); | |
151 void pop_l( Register r = Otos_l1); | |
152 // G4_scratch and Lscratch are used at call sites!! | |
153 void pop_f(FloatRegister f = Ftos_f, Register scratch = G1_scratch); | |
154 void pop_d(FloatRegister f = Ftos_d1, Register scratch = G1_scratch); | |
155 | |
156 void push_i( Register r = Otos_i); | |
157 void push_ptr( Register r = Otos_i); | |
158 void push_l( Register r = Otos_l1); | |
159 void push_f(FloatRegister f = Ftos_f); | |
160 void push_d(FloatRegister f = Ftos_d1); | |
161 | |
162 | |
163 void pop (TosState state); // transition vtos -> state | |
164 void push(TosState state); // transition state -> vtos | |
165 void empty_expression_stack(); // resets both Lesp and SP | |
166 | |
167 #ifdef ASSERT | |
168 void verify_sp(Register Rsp, Register Rtemp); | |
169 void verify_esp(Register Resp); // verify that Lesp points to a word in the temp stack | |
170 #endif // ASSERT | |
171 | |
172 public: | |
173 void if_cmp(Condition cc, bool ptr_compare); | |
174 | |
175 // Load values from bytecode stream: | |
176 | |
177 enum signedOrNot { Signed, Unsigned }; | |
178 enum setCCOrNot { set_CC, dont_set_CC }; | |
179 | |
180 void get_2_byte_integer_at_bcp( int bcp_offset, | |
181 Register Rtmp, | |
182 Register Rdst, | |
183 signedOrNot is_signed, | |
184 setCCOrNot should_set_CC = dont_set_CC ); | |
185 | |
186 void get_4_byte_integer_at_bcp( int bcp_offset, | |
187 Register Rtmp, | |
188 Register Rdst, | |
189 setCCOrNot should_set_CC = dont_set_CC ); | |
190 | |
1565 | 191 void get_cache_and_index_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
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192 void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register temp, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2)); |
1565 | 193 void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); |
194 void get_cache_index_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2)); | |
0 | 195 |
196 | |
197 // common code | |
198 | |
199 void field_offset_at(int n, Register tmp, Register dest, Register base); | |
200 int field_offset_at(Register object, address bcp, int offset); | |
201 void fast_iaaccess(int n, address bcp); | |
202 void fast_iagetfield(address bcp); | |
203 void fast_iaputfield(address bcp, bool do_store_check ); | |
204 | |
205 void index_check(Register array, Register index, int index_shift, Register tmp, Register res); | |
206 void index_check_without_pop(Register array, Register index, int index_shift, Register tmp, Register res); | |
207 | |
208 void get_constant_pool(Register Rdst); | |
209 void get_constant_pool_cache(Register Rdst); | |
210 void get_cpool_and_tags(Register Rcpool, Register Rtags); | |
211 void is_a(Label& L); | |
212 | |
213 // Load compiled (i2c) or interpreter entry and call from interpreted | |
214 void call_from_interpreter(Register target, Register scratch, Register Rret); | |
215 | |
216 // -------------------------------------------------- | |
217 | |
218 void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, bool install_monitor_exception = true); | |
219 | |
220 void add_monitor_to_stack( bool stack_is_empty, | |
221 Register Rtemp, | |
222 Register Rtemp2 ); | |
223 | |
224 // Load/store aligned in _LP64 but unaligned otherwise | |
225 // These only apply to the Interpreter expression stack and locals! | |
226 void load_unaligned_double(Register r1, int offset, FloatRegister d); | |
227 void store_unaligned_double(FloatRegister d, Register r1, int offset ); | |
228 | |
229 // Load/store aligned in _LP64 but unaligned otherwise | |
230 void load_unaligned_long(Register r1, int offset, Register d); | |
231 void store_unaligned_long(Register d, Register r1, int offset ); | |
232 | |
233 void access_local_int( Register index, Register dst ); | |
234 void access_local_ptr( Register index, Register dst ); | |
235 void access_local_returnAddress( Register index, Register dst ); | |
236 void access_local_long( Register index, Register dst ); | |
237 void access_local_float( Register index, FloatRegister dst ); | |
238 void access_local_double( Register index, FloatRegister dst ); | |
239 #ifdef ASSERT | |
240 void check_for_regarea_stomp( Register Rindex, int offset, Register Rlimit, Register Rscratch, Register Rscratch1); | |
241 #endif // ASSERT | |
242 void store_local_int( Register index, Register src ); | |
1506 | 243 void store_local_ptr( Register index, Register src ); |
244 void store_local_ptr( int n, Register src ); | |
0 | 245 void store_local_long( Register index, Register src ); |
246 void store_local_float( Register index, FloatRegister src ); | |
247 void store_local_double( Register index, FloatRegister src ); | |
248 | |
1506 | 249 // Helpers for swap and dup |
250 void load_ptr(int n, Register val); | |
251 void store_ptr(int n, Register val); | |
0 | 252 |
1506 | 253 // Helper for getting receiver in register. |
0 | 254 void load_receiver(Register param_count, Register recv); |
255 | |
256 static int top_most_monitor_byte_offset(); // offset in bytes to top of monitor block | |
257 Address top_most_monitor(); | |
258 void compute_stack_base( Register Rdest ); | |
259 | |
260 #endif /* CC_INTERP */ | |
261 void increment_invocation_counter( Register Rtmp, Register Rtmp2 ); | |
262 void increment_backedge_counter( Register Rtmp, Register Rtmp2 ); | |
263 #ifndef CC_INTERP | |
264 void test_backedge_count_for_osr( Register backedge_count, Register branch_bcp, Register Rtmp ); | |
265 | |
266 #endif /* CC_INTERP */ | |
267 // Object locking | |
268 void lock_object (Register lock_reg, Register obj_reg); | |
269 void unlock_object(Register lock_reg); | |
270 | |
271 #ifndef CC_INTERP | |
272 // Interpreter profiling operations | |
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273 void set_method_data_pointer(); |
0 | 274 void set_method_data_pointer_for_bcp(); |
275 void test_method_data_pointer(Label& zero_continue); | |
276 void verify_method_data_pointer(); | |
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277 void test_invocation_counter_for_mdp(Register invocation_count, Register Rtmp, Label &profile_continue); |
0 | 278 |
279 void set_mdp_data_at(int constant, Register value); | |
280 void increment_mdp_data_at(Address counter, Register bumped_count, | |
281 bool decrement = false); | |
282 void increment_mdp_data_at(int constant, Register bumped_count, | |
283 bool decrement = false); | |
284 void increment_mdp_data_at(Register reg, int constant, | |
285 Register bumped_count, Register scratch2, | |
286 bool decrement = false); | |
1783 | 287 void increment_mask_and_jump(Address counter_addr, |
288 int increment, int mask, | |
289 Register scratch1, Register scratch2, | |
290 Condition cond, Label *where); | |
0 | 291 void set_mdp_flag_at(int flag_constant, Register scratch); |
292 void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, | |
293 Register scratch); | |
294 | |
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295 void record_klass_in_profile(Register receiver, Register scratch, bool is_virtual_call); |
0 | 296 void record_klass_in_profile_helper(Register receiver, Register scratch, |
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297 int start_row, Label& done, bool is_virtual_call); |
0 | 298 |
299 void update_mdp_by_offset(int offset_of_disp, Register scratch); | |
300 void update_mdp_by_offset(Register reg, int offset_of_disp, | |
301 Register scratch); | |
302 void update_mdp_by_constant(int constant); | |
303 void update_mdp_for_ret(TosState state, Register return_bci); | |
304 | |
305 void profile_taken_branch(Register scratch, Register bumped_count); | |
306 void profile_not_taken_branch(Register scratch); | |
307 void profile_call(Register scratch); | |
308 void profile_final_call(Register scratch); | |
1503 | 309 void profile_virtual_call(Register receiver, Register scratch, bool receiver_can_be_null = false); |
0 | 310 void profile_ret(TosState state, Register return_bci, Register scratch); |
311 void profile_null_seen(Register scratch); | |
312 void profile_typecheck(Register klass, Register scratch); | |
313 void profile_typecheck_failed(Register scratch); | |
314 void profile_switch_default(Register scratch); | |
315 void profile_switch_case(Register index, | |
316 Register scratch1, | |
317 Register scratch2, | |
318 Register scratch3); | |
319 | |
320 // Debugging | |
321 void interp_verify_oop(Register reg, TosState state, const char * file, int line); // only if +VerifyOops && state == atos | |
322 void verify_oop_or_return_address(Register reg, Register rtmp); // for astore | |
323 void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU && (state == ftos || state == dtos) | |
324 | |
325 #endif /* CC_INTERP */ | |
326 // support for JVMTI/Dtrace | |
327 typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; | |
328 void notify_method_entry(); | |
329 void notify_method_exit( | |
330 bool save_result, TosState state, NotifyMethodExitMode mode); | |
331 | |
332 void save_return_value(TosState state, bool is_native_call); | |
333 void restore_return_value(TosState state, bool is_native_call); | |
1783 | 334 |
0 | 335 }; |
1972 | 336 |
337 #endif // CPU_SPARC_VM_INTERP_MASM_SPARC_HPP |