Mercurial > hg > truffle
annotate src/cpu/x86/vm/frame_x86.inline.hpp @ 1252:f516d5d7a019
6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
Summary: Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode.
Reviewed-by: never
author | kvn |
---|---|
date | Mon, 08 Feb 2010 12:20:09 -0800 |
parents | 18a389214829 |
children | e3a4305c6bc3 |
rev | line source |
---|---|
0 | 1 /* |
1204 | 2 * Copyright 1997-2010 Sun Microsystems, Inc. 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 * | |
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 // Inline functions for Intel frames: | |
26 | |
27 // Constructors: | |
28 | |
29 inline frame::frame() { | |
30 _pc = NULL; | |
31 _sp = NULL; | |
32 _unextended_sp = NULL; | |
33 _fp = NULL; | |
34 _cb = NULL; | |
35 _deopt_state = unknown; | |
36 } | |
37 | |
1204 | 38 inline frame::frame(intptr_t* sp, intptr_t* fp, address pc) { |
0 | 39 _sp = sp; |
40 _unextended_sp = sp; | |
41 _fp = fp; | |
42 _pc = pc; | |
43 assert(pc != NULL, "no pc?"); | |
44 _cb = CodeCache::find_blob(pc); | |
1204 | 45 |
46 address original_pc = nmethod::get_deopt_original_pc(this); | |
47 if (original_pc != NULL) { | |
48 _pc = original_pc; | |
0 | 49 _deopt_state = is_deoptimized; |
50 } else { | |
51 _deopt_state = not_deoptimized; | |
52 } | |
53 } | |
54 | |
1204 | 55 inline frame::frame(intptr_t* sp, intptr_t* unextended_sp, intptr_t* fp, address pc) { |
0 | 56 _sp = sp; |
57 _unextended_sp = unextended_sp; | |
58 _fp = fp; | |
59 _pc = pc; | |
60 assert(pc != NULL, "no pc?"); | |
61 _cb = CodeCache::find_blob(pc); | |
1204 | 62 |
63 address original_pc = nmethod::get_deopt_original_pc(this); | |
64 if (original_pc != NULL) { | |
65 _pc = original_pc; | |
66 assert(((nmethod*)_cb)->code_contains(_pc), "original PC must be in nmethod"); | |
0 | 67 _deopt_state = is_deoptimized; |
68 } else { | |
69 _deopt_state = not_deoptimized; | |
70 } | |
71 } | |
72 | |
73 inline frame::frame(intptr_t* sp, intptr_t* fp) { | |
74 _sp = sp; | |
75 _unextended_sp = sp; | |
76 _fp = fp; | |
77 _pc = (address)(sp[-1]); | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
78 |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
79 // Here's a sticky one. This constructor can be called via AsyncGetCallTrace |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
80 // when last_Java_sp is non-null but the pc fetched is junk. If we are truly |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
81 // unlucky the junk value could be to a zombied method and we'll die on the |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
82 // find_blob call. This is also why we can have no asserts on the validity |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
83 // of the pc we find here. AsyncGetCallTrace -> pd_get_top_frame_for_signal_handler |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
84 // -> pd_last_frame should use a specialized version of pd_last_frame which could |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
85 // call a specilaized frame constructor instead of this one. |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
86 // Then we could use the assert below. However this assert is of somewhat dubious |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
87 // value. |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
88 // assert(_pc != NULL, "no pc?"); |
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
89 |
0 | 90 _cb = CodeCache::find_blob(_pc); |
91 | |
1204 | 92 address original_pc = nmethod::get_deopt_original_pc(this); |
93 if (original_pc != NULL) { | |
94 _pc = original_pc; | |
0 | 95 _deopt_state = is_deoptimized; |
96 } else { | |
97 _deopt_state = not_deoptimized; | |
98 } | |
99 } | |
100 | |
101 // Accessors | |
102 | |
103 inline bool frame::equal(frame other) const { | |
104 bool ret = sp() == other.sp() | |
105 && unextended_sp() == other.unextended_sp() | |
106 && fp() == other.fp() | |
107 && pc() == other.pc(); | |
108 assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction"); | |
109 return ret; | |
110 } | |
111 | |
112 // Return unique id for this frame. The id must have a value where we can distinguish | |
113 // identity and younger/older relationship. NULL represents an invalid (incomparable) | |
114 // frame. | |
115 inline intptr_t* frame::id(void) const { return unextended_sp(); } | |
116 | |
117 // Relationals on frames based | |
118 // Return true if the frame is younger (more recent activation) than the frame represented by id | |
119 inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
120 return this->id() < id ; } | |
121 | |
122 // Return true if the frame is older (less recent activation) than the frame represented by id | |
123 inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
124 return this->id() > id ; } | |
125 | |
126 | |
127 | |
128 inline intptr_t* frame::link() const { return (intptr_t*) *(intptr_t **)addr_at(link_offset); } | |
129 inline void frame::set_link(intptr_t* addr) { *(intptr_t **)addr_at(link_offset) = addr; } | |
130 | |
131 | |
132 inline intptr_t* frame::unextended_sp() const { return _unextended_sp; } | |
133 | |
134 // Return address: | |
135 | |
136 inline address* frame::sender_pc_addr() const { return (address*) addr_at( return_addr_offset); } | |
137 inline address frame::sender_pc() const { return *sender_pc_addr(); } | |
138 | |
139 // return address of param, zero origin index. | |
140 inline address* frame::native_param_addr(int idx) const { return (address*) addr_at( native_frame_initial_param_offset+idx); } | |
141 | |
142 #ifdef CC_INTERP | |
143 | |
144 inline interpreterState frame::get_interpreterState() const { | |
520
52a431267315
6791168: Fix invalid code in bytecodeInterpreter that can cause gcc ICE
coleenp
parents:
304
diff
changeset
|
145 return ((interpreterState)addr_at( -((int)sizeof(BytecodeInterpreter))/wordSize )); |
0 | 146 } |
147 | |
148 inline intptr_t* frame::sender_sp() const { | |
149 // Hmm this seems awfully expensive QQQ, is this really called with interpreted frames? | |
150 if (is_interpreted_frame()) { | |
151 assert(false, "should never happen"); | |
152 return get_interpreterState()->sender_sp(); | |
153 } else { | |
154 return addr_at(sender_sp_offset); | |
155 } | |
156 } | |
157 | |
158 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
159 assert(is_interpreted_frame(), "must be interpreted"); | |
160 return &(get_interpreterState()->_locals); | |
161 } | |
162 | |
163 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
164 assert(is_interpreted_frame(), "must be interpreted"); | |
304 | 165 return (intptr_t*) &(get_interpreterState()->_bcp); |
0 | 166 } |
167 | |
168 | |
169 // Constant pool cache | |
170 | |
171 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
172 assert(is_interpreted_frame(), "must be interpreted"); | |
173 return &(get_interpreterState()->_constants); | |
174 } | |
175 | |
176 // Method | |
177 | |
178 inline methodOop* frame::interpreter_frame_method_addr() const { | |
179 assert(is_interpreted_frame(), "must be interpreted"); | |
180 return &(get_interpreterState()->_method); | |
181 } | |
182 | |
183 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
184 assert(is_interpreted_frame(), "must be interpreted"); | |
304 | 185 return (intptr_t*) &(get_interpreterState()->_mdx); |
0 | 186 } |
187 | |
188 // top of expression stack | |
189 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
190 assert(is_interpreted_frame(), "wrong frame type"); | |
191 return get_interpreterState()->_stack + 1; | |
192 } | |
193 | |
194 #else /* asm interpreter */ | |
195 inline intptr_t* frame::sender_sp() const { return addr_at( sender_sp_offset); } | |
196 | |
197 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
198 return (intptr_t**)addr_at(interpreter_frame_locals_offset); | |
199 } | |
200 | |
201 inline intptr_t* frame::interpreter_frame_last_sp() const { | |
202 return *(intptr_t**)addr_at(interpreter_frame_last_sp_offset); | |
203 } | |
204 | |
205 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
206 return (intptr_t*)addr_at(interpreter_frame_bcx_offset); | |
207 } | |
208 | |
209 | |
210 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
211 return (intptr_t*)addr_at(interpreter_frame_mdx_offset); | |
212 } | |
213 | |
214 | |
215 | |
216 // Constant pool cache | |
217 | |
218 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
219 return (constantPoolCacheOop*)addr_at(interpreter_frame_cache_offset); | |
220 } | |
221 | |
222 // Method | |
223 | |
224 inline methodOop* frame::interpreter_frame_method_addr() const { | |
225 return (methodOop*)addr_at(interpreter_frame_method_offset); | |
226 } | |
227 | |
228 // top of expression stack | |
229 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
230 intptr_t* last_sp = interpreter_frame_last_sp(); | |
1137
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
579
diff
changeset
|
231 if (last_sp == NULL) { |
0 | 232 return sp(); |
233 } else { | |
1137
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
579
diff
changeset
|
234 // sp() may have been extended or shrunk by an adapter. At least |
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
579
diff
changeset
|
235 // check that we don't fall behind the legal region. |
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
579
diff
changeset
|
236 assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(), "bad tos"); |
0 | 237 return last_sp; |
238 } | |
239 } | |
240 | |
241 #endif /* CC_INTERP */ | |
242 | |
243 inline int frame::pd_oop_map_offset_adjustment() const { | |
244 return 0; | |
245 } | |
246 | |
247 inline int frame::interpreter_frame_monitor_size() { | |
248 return BasicObjectLock::size(); | |
249 } | |
250 | |
251 | |
252 // expression stack | |
253 // (the max_stack arguments are used by the GC; see class FrameClosure) | |
254 | |
255 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
256 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); | |
257 return monitor_end-1; | |
258 } | |
259 | |
260 | |
261 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
262 | |
263 | |
264 // Entry frames | |
265 | |
266 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { | |
267 return (JavaCallWrapper*)at(entry_frame_call_wrapper_offset); | |
268 } | |
269 | |
270 | |
271 // Compiled frames | |
272 | |
273 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
274 return (nof_args - local_index + (local_index < nof_args ? 1: -1)); | |
275 } | |
276 | |
277 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
278 return local_offset_for_compiler(local_index, nof_args, max_nof_locals, max_nof_monitors); | |
279 } | |
280 | |
281 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
282 return (nof_args - (max_nof_locals + max_nof_monitors*2) - 1); | |
283 } | |
284 | |
285 inline bool frame::volatile_across_calls(Register reg) { | |
286 return true; | |
287 } | |
288 | |
289 | |
290 | |
291 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
292 return *((oop*) map->location(rax->as_VMReg())); | |
293 } | |
294 | |
295 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
296 *((oop*) map->location(rax->as_VMReg())) = obj; | |
297 } |