Mon, 12 Mar 2012 15:28:07 -0700
7152957: VM crashes with assert(false) failed: bad AD file
Reviewed-by: kvn, never
Contributed-by: nils.eliasson@oracle.com
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
25 #ifndef CPU_SPARC_VM_INTERP_MASM_SPARC_HPP
26 #define CPU_SPARC_VM_INTERP_MASM_SPARC_HPP
28 #include "assembler_sparc.inline.hpp"
29 #include "interpreter/invocationCounter.hpp"
31 // This file specializes the assember with interpreter-specific macros
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
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
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 );
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 );
72 virtual void check_and_handle_popframe(Register java_thread);
73 virtual void check_and_handle_earlyret(Register java_thread);
75 // base routine for all dispatches
76 void dispatch_base(TosState state, address* table);
77 #endif /* CC_INTERP */
79 public:
80 InterpreterMacroAssembler(CodeBuffer* c)
81 : MacroAssembler(c) {}
83 #ifndef CC_INTERP
84 virtual void load_earlyret_value(TosState state);
86 static const Address l_tmp ;
87 static const Address d_tmp ;
88 #endif /* CC_INTERP */
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);
96 #ifndef CC_INTERP
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);
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);
115 protected:
116 void dispatch_Lbyte_code(TosState state, address* table, int bcp_incr = 0, bool verify = true);
117 #endif /* CC_INTERP */
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);
129 #ifndef CC_INTERP
130 void super_call_VM_leaf(Register thread_cache, address entry_point, Register arg_1, Register arg_2);
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 );
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
141 void throw_if_not_2( address throw_entry_point, Register Rscratch, Label& ok);
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 );
147 // helpers for expression stack
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);
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);
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
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
172 public:
173 void if_cmp(Condition cc, bool ptr_compare);
175 // Load values from bytecode stream:
177 enum signedOrNot { Signed, Unsigned };
178 enum setCCOrNot { set_CC, dont_set_CC };
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 );
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 );
191 void get_cache_and_index_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
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));
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));
197 // common code
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 );
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);
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);
213 // Load compiled (i2c) or interpreter entry and call from interpreted
214 void call_from_interpreter(Register target, Register scratch, Register Rret);
216 // --------------------------------------------------
218 void unlock_if_synchronized_method(TosState state, bool throw_monitor_exception = true, bool install_monitor_exception = true);
220 void add_monitor_to_stack( bool stack_is_empty,
221 Register Rtemp,
222 Register Rtemp2 );
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 );
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 );
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 );
243 void store_local_ptr( Register index, Register src );
244 void store_local_ptr( int n, Register src );
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 );
249 // Helpers for swap and dup
250 void load_ptr(int n, Register val);
251 void store_ptr(int n, Register val);
253 // Helper for getting receiver in register.
254 void load_receiver(Register param_count, Register recv);
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 );
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 );
266 #endif /* CC_INTERP */
267 // Object locking
268 void lock_object (Register lock_reg, Register obj_reg);
269 void unlock_object(Register lock_reg);
271 #ifndef CC_INTERP
272 // Interpreter profiling operations
273 void set_method_data_pointer();
274 void set_method_data_pointer_for_bcp();
275 void test_method_data_pointer(Label& zero_continue);
276 void verify_method_data_pointer();
277 void test_invocation_counter_for_mdp(Register invocation_count, Register Rtmp, Label &profile_continue);
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);
287 void increment_mask_and_jump(Address counter_addr,
288 int increment, int mask,
289 Register scratch1, Register scratch2,
290 Condition cond, Label *where);
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);
295 void record_klass_in_profile(Register receiver, Register scratch, bool is_virtual_call);
296 void record_klass_in_profile_helper(Register receiver, Register scratch,
297 int start_row, Label& done, bool is_virtual_call);
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);
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);
309 void profile_virtual_call(Register receiver, Register scratch, bool receiver_can_be_null = false);
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);
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)
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);
332 void save_return_value(TosState state, bool is_native_call);
333 void restore_return_value(TosState state, bool is_native_call);
335 };
337 #endif // CPU_SPARC_VM_INTERP_MASM_SPARC_HPP