author | kvn |
Mon, 01 Feb 2010 16:49:49 -0800 | |
changeset 4754 | 8aef16f24e16 |
parent 4478 | c3a8af0fc6b0 |
child 5419 | f2e8cc8c12ea |
permissions | -rw-r--r-- |
1 | 1 |
/* |
2534 | 2 |
* Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved. |
1 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
|
20 |
* CA 95054 USA or visit www.sun.com if you need additional information or |
|
21 |
* have any questions. |
|
22 |
* |
|
23 |
*/ |
|
24 |
||
25 |
// This file specializes the assember with interpreter-specific macros |
|
26 |
||
27 |
||
1066 | 28 |
class InterpreterMacroAssembler: public MacroAssembler { |
29 |
#ifndef CC_INTERP |
|
1 | 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); |
|
1066 | 47 |
#endif // CC_INTERP |
1 | 48 |
|
49 |
public: |
|
1066 | 50 |
InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {} |
1 | 51 |
|
52 |
void load_earlyret_value(TosState state); |
|
53 |
||
1066 | 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 |
||
1 | 63 |
// Interpreter-specific registers |
1066 | 64 |
void save_bcp() { |
65 |
movptr(Address(rbp, frame::interpreter_frame_bcx_offset * wordSize), r13); |
|
1 | 66 |
} |
67 |
||
1066 | 68 |
void restore_bcp() { |
69 |
movptr(r13, Address(rbp, frame::interpreter_frame_bcx_offset * wordSize)); |
|
1 | 70 |
} |
71 |
||
1066 | 72 |
void restore_locals() { |
73 |
movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); |
|
1 | 74 |
} |
75 |
||
76 |
// Helpers for runtime call arguments/results |
|
1066 | 77 |
void get_method(Register reg) { |
78 |
movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); |
|
1 | 79 |
} |
80 |
||
1066 | 81 |
void get_constant_pool(Register reg) { |
1 | 82 |
get_method(reg); |
1066 | 83 |
movptr(reg, Address(reg, methodOopDesc::constants_offset())); |
1 | 84 |
} |
85 |
||
1066 | 86 |
void get_constant_pool_cache(Register reg) { |
1 | 87 |
get_constant_pool(reg); |
1066 | 88 |
movptr(reg, Address(reg, constantPoolOopDesc::cache_offset_in_bytes())); |
1 | 89 |
} |
90 |
||
1066 | 91 |
void get_cpool_and_tags(Register cpool, Register tags) { |
1 | 92 |
get_constant_pool(cpool); |
1066 | 93 |
movptr(tags, Address(cpool, constantPoolOopDesc::tags_offset_in_bytes())); |
1 | 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, |
|
4478 | 98 |
int bcp_offset, bool giant_index = false); |
1 | 99 |
void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, |
4478 | 100 |
int bcp_offset, bool giant_index = false); |
101 |
void get_cache_index_at_bcp(Register index, int bcp_offset, bool giant_index = false); |
|
1 | 102 |
|
1066 | 103 |
|
1 | 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 |
||
1066 | 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 |
||
1 | 120 |
void pop(TosState state); // transition vtos -> state |
121 |
void push(TosState state); // transition state -> vtos |
|
122 |
||
123 |
// Tagged stack support, pop and push both tag and value. |
|
124 |
void pop_ptr(Register r, Register tag); |
|
125 |
void push_ptr(Register r, Register tag); |
|
1066 | 126 |
#endif // CC_INTERP |
1 | 127 |
|
128 |
DEBUG_ONLY(void verify_stack_tag(frame::Tag t);) |
|
129 |
||
1066 | 130 |
#ifndef CC_INTERP |
131 |
||
1 | 132 |
// Tagged stack helpers for swap and dup |
133 |
void load_ptr_and_tag(int n, Register val, Register tag); |
|
134 |
void store_ptr_and_tag(int n, Register val, Register tag); |
|
135 |
||
136 |
// Tagged Local support |
|
137 |
void tag_local(frame::Tag tag, int n); |
|
138 |
void tag_local(Register tag, int n); |
|
139 |
void tag_local(frame::Tag tag, Register idx); |
|
140 |
void tag_local(Register tag, Register idx); |
|
141 |
||
142 |
#ifdef ASSERT |
|
143 |
void verify_local_tag(frame::Tag tag, int n); |
|
144 |
void verify_local_tag(frame::Tag tag, Register idx); |
|
145 |
#endif // ASSERT |
|
146 |
||
1066 | 147 |
|
1 | 148 |
void empty_expression_stack() |
149 |
{ |
|
1066 | 150 |
movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize)); |
1 | 151 |
// NULL last_sp until next java call |
1066 | 152 |
movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 153 |
} |
154 |
||
155 |
// Super call_VM calls - correspond to MacroAssembler::call_VM(_leaf) calls |
|
156 |
void super_call_VM_leaf(address entry_point); |
|
157 |
void super_call_VM_leaf(address entry_point, Register arg_1); |
|
158 |
void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2); |
|
159 |
void super_call_VM_leaf(address entry_point, |
|
160 |
Register arg_1, Register arg_2, Register arg_3); |
|
161 |
||
162 |
// Generate a subtype check: branch to ok_is_subtype if sub_klass is |
|
163 |
// a subtype of super_klass. |
|
164 |
void gen_subtype_check( Register sub_klass, Label &ok_is_subtype ); |
|
165 |
||
166 |
// Dispatching |
|
167 |
void dispatch_prolog(TosState state, int step = 0); |
|
168 |
void dispatch_epilog(TosState state, int step = 0); |
|
169 |
// dispatch via ebx (assume ebx is loaded already) |
|
170 |
void dispatch_only(TosState state); |
|
171 |
// dispatch normal table via ebx (assume ebx is loaded already) |
|
172 |
void dispatch_only_normal(TosState state); |
|
173 |
void dispatch_only_noverify(TosState state); |
|
174 |
// load ebx from [esi + step] and dispatch via ebx |
|
175 |
void dispatch_next(TosState state, int step = 0); |
|
176 |
// load ebx from [esi] and dispatch via ebx and table |
|
177 |
void dispatch_via (TosState state, address* table); |
|
178 |
||
179 |
// jump to an invoked target |
|
2534 | 180 |
void prepare_to_jump_from_interpreted(); |
1 | 181 |
void jump_from_interpreted(Register method, Register temp); |
182 |
||
183 |
||
184 |
// Returning from interpreted functions |
|
185 |
// |
|
186 |
// Removes the current activation (incl. unlocking of monitors) |
|
187 |
// and sets up the return address. This code is also used for |
|
188 |
// exception unwindwing. In that case, we do not want to throw |
|
189 |
// IllegalMonitorStateExceptions, since that might get us into an |
|
190 |
// infinite rethrow exception loop. |
|
191 |
// Additionally this code is used for popFrame and earlyReturn. |
|
192 |
// In popFrame case we want to skip throwing an exception, |
|
193 |
// installing an exception, and notifying jvmdi. |
|
194 |
// In earlyReturn case we only want to skip throwing an exception |
|
195 |
// and installing an exception. |
|
196 |
void remove_activation(TosState state, Register ret_addr, |
|
197 |
bool throw_monitor_exception = true, |
|
198 |
bool install_monitor_exception = true, |
|
199 |
bool notify_jvmdi = true); |
|
1066 | 200 |
#endif // CC_INTERP |
1 | 201 |
|
202 |
// Object locking |
|
203 |
void lock_object (Register lock_reg); |
|
204 |
void unlock_object(Register lock_reg); |
|
205 |
||
1066 | 206 |
#ifndef CC_INTERP |
207 |
||
1 | 208 |
// Interpreter profiling operations |
209 |
void set_method_data_pointer_for_bcp(); |
|
210 |
void test_method_data_pointer(Register mdp, Label& zero_continue); |
|
211 |
void verify_method_data_pointer(); |
|
212 |
||
213 |
void set_mdp_data_at(Register mdp_in, int constant, Register value); |
|
214 |
void increment_mdp_data_at(Address data, bool decrement = false); |
|
215 |
void increment_mdp_data_at(Register mdp_in, int constant, |
|
216 |
bool decrement = false); |
|
217 |
void increment_mdp_data_at(Register mdp_in, Register reg, int constant, |
|
218 |
bool decrement = false); |
|
219 |
void set_mdp_flag_at(Register mdp_in, int flag_constant); |
|
220 |
void test_mdp_data_at(Register mdp_in, int offset, Register value, |
|
221 |
Register test_value_out, |
|
222 |
Label& not_equal_continue); |
|
223 |
||
224 |
void record_klass_in_profile(Register receiver, Register mdp, |
|
4754
8aef16f24e16
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
4478
diff
changeset
|
225 |
Register reg2, bool is_virtual_call); |
1 | 226 |
void record_klass_in_profile_helper(Register receiver, Register mdp, |
4754
8aef16f24e16
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
4478
diff
changeset
|
227 |
Register reg2, int start_row, |
8aef16f24e16
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
4478
diff
changeset
|
228 |
Label& done, bool is_virtual_call); |
1 | 229 |
|
230 |
void update_mdp_by_offset(Register mdp_in, int offset_of_offset); |
|
231 |
void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp); |
|
232 |
void update_mdp_by_constant(Register mdp_in, int constant); |
|
233 |
void update_mdp_for_ret(Register return_bci); |
|
234 |
||
235 |
void profile_taken_branch(Register mdp, Register bumped_count); |
|
236 |
void profile_not_taken_branch(Register mdp); |
|
237 |
void profile_call(Register mdp); |
|
238 |
void profile_final_call(Register mdp); |
|
239 |
void profile_virtual_call(Register receiver, Register mdp, |
|
4478 | 240 |
Register scratch2, |
241 |
bool receiver_can_be_null = false); |
|
1 | 242 |
void profile_ret(Register return_bci, Register mdp); |
243 |
void profile_null_seen(Register mdp); |
|
244 |
void profile_typecheck(Register mdp, Register klass, Register scratch); |
|
245 |
void profile_typecheck_failed(Register mdp); |
|
246 |
void profile_switch_default(Register mdp); |
|
247 |
void profile_switch_case(Register index_in_scratch, Register mdp, |
|
248 |
Register scratch2); |
|
249 |
||
250 |
// Debugging |
|
251 |
// only if +VerifyOops && state == atos |
|
252 |
void verify_oop(Register reg, TosState state = atos); |
|
253 |
// only if +VerifyFPU && (state == ftos || state == dtos) |
|
254 |
void verify_FPU(int stack_depth, TosState state = ftos); |
|
255 |
||
1066 | 256 |
#endif // !CC_INTERP |
257 |
||
1 | 258 |
typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode; |
259 |
||
260 |
// support for jvmti/dtrace |
|
261 |
void notify_method_entry(); |
|
262 |
void notify_method_exit(TosState state, NotifyMethodExitMode mode); |
|
263 |
}; |