Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/frame_x86.inline.hpp @ 3388:a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
Reviewed-by: jrose
author | never |
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date | Tue, 17 May 2011 19:11:51 -0700 |
parents | 167b70ff3abc |
children | 07c2e7ffd1fc |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 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. | |
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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_FRAME_X86_INLINE_HPP |
26 #define CPU_X86_VM_FRAME_X86_INLINE_HPP | |
27 | |
0 | 28 // Inline functions for Intel frames: |
29 | |
30 // Constructors: | |
31 | |
32 inline frame::frame() { | |
33 _pc = NULL; | |
34 _sp = NULL; | |
35 _unextended_sp = NULL; | |
36 _fp = NULL; | |
37 _cb = NULL; | |
38 _deopt_state = unknown; | |
39 } | |
40 | |
1204 | 41 inline frame::frame(intptr_t* sp, intptr_t* fp, address pc) { |
0 | 42 _sp = sp; |
43 _unextended_sp = sp; | |
44 _fp = fp; | |
45 _pc = pc; | |
46 assert(pc != NULL, "no pc?"); | |
47 _cb = CodeCache::find_blob(pc); | |
1204 | 48 |
49 address original_pc = nmethod::get_deopt_original_pc(this); | |
50 if (original_pc != NULL) { | |
51 _pc = original_pc; | |
0 | 52 _deopt_state = is_deoptimized; |
53 } else { | |
54 _deopt_state = not_deoptimized; | |
55 } | |
56 } | |
57 | |
1204 | 58 inline frame::frame(intptr_t* sp, intptr_t* unextended_sp, intptr_t* fp, address pc) { |
0 | 59 _sp = sp; |
60 _unextended_sp = unextended_sp; | |
61 _fp = fp; | |
62 _pc = pc; | |
63 assert(pc != NULL, "no pc?"); | |
64 _cb = CodeCache::find_blob(pc); | |
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65 adjust_unextended_sp(); |
1204 | 66 |
67 address original_pc = nmethod::get_deopt_original_pc(this); | |
68 if (original_pc != NULL) { | |
69 _pc = original_pc; | |
1748 | 70 assert(((nmethod*)_cb)->insts_contains(_pc), "original PC must be in nmethod"); |
0 | 71 _deopt_state = is_deoptimized; |
72 } else { | |
73 _deopt_state = not_deoptimized; | |
74 } | |
75 } | |
76 | |
77 inline frame::frame(intptr_t* sp, intptr_t* fp) { | |
78 _sp = sp; | |
79 _unextended_sp = sp; | |
80 _fp = fp; | |
81 _pc = (address)(sp[-1]); | |
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82 |
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83 // Here's a sticky one. This constructor can be called via AsyncGetCallTrace |
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84 // when last_Java_sp is non-null but the pc fetched is junk. If we are truly |
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85 // unlucky the junk value could be to a zombied method and we'll die on the |
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86 // find_blob call. This is also why we can have no asserts on the validity |
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87 // of the pc we find here. AsyncGetCallTrace -> pd_get_top_frame_for_signal_handler |
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88 // -> pd_last_frame should use a specialized version of pd_last_frame which could |
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89 // call a specilaized frame constructor instead of this one. |
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90 // Then we could use the assert below. However this assert is of somewhat dubious |
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91 // value. |
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92 // assert(_pc != NULL, "no pc?"); |
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93 |
0 | 94 _cb = CodeCache::find_blob(_pc); |
95 | |
1204 | 96 address original_pc = nmethod::get_deopt_original_pc(this); |
97 if (original_pc != NULL) { | |
98 _pc = original_pc; | |
0 | 99 _deopt_state = is_deoptimized; |
100 } else { | |
101 _deopt_state = not_deoptimized; | |
102 } | |
103 } | |
104 | |
105 // Accessors | |
106 | |
107 inline bool frame::equal(frame other) const { | |
108 bool ret = sp() == other.sp() | |
109 && unextended_sp() == other.unextended_sp() | |
110 && fp() == other.fp() | |
111 && pc() == other.pc(); | |
112 assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction"); | |
113 return ret; | |
114 } | |
115 | |
116 // Return unique id for this frame. The id must have a value where we can distinguish | |
117 // identity and younger/older relationship. NULL represents an invalid (incomparable) | |
118 // frame. | |
119 inline intptr_t* frame::id(void) const { return unextended_sp(); } | |
120 | |
121 // Relationals on frames based | |
122 // Return true if the frame is younger (more recent activation) than the frame represented by id | |
123 inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
124 return this->id() < id ; } | |
125 | |
126 // Return true if the frame is older (less recent activation) than the frame represented by id | |
127 inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
128 return this->id() > id ; } | |
129 | |
130 | |
131 | |
132 inline intptr_t* frame::link() const { return (intptr_t*) *(intptr_t **)addr_at(link_offset); } | |
133 inline void frame::set_link(intptr_t* addr) { *(intptr_t **)addr_at(link_offset) = addr; } | |
134 | |
135 | |
136 inline intptr_t* frame::unextended_sp() const { return _unextended_sp; } | |
137 | |
138 // Return address: | |
139 | |
140 inline address* frame::sender_pc_addr() const { return (address*) addr_at( return_addr_offset); } | |
141 inline address frame::sender_pc() const { return *sender_pc_addr(); } | |
142 | |
143 // return address of param, zero origin index. | |
144 inline address* frame::native_param_addr(int idx) const { return (address*) addr_at( native_frame_initial_param_offset+idx); } | |
145 | |
146 #ifdef CC_INTERP | |
147 | |
148 inline interpreterState frame::get_interpreterState() const { | |
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149 return ((interpreterState)addr_at( -((int)sizeof(BytecodeInterpreter))/wordSize )); |
0 | 150 } |
151 | |
152 inline intptr_t* frame::sender_sp() const { | |
153 // Hmm this seems awfully expensive QQQ, is this really called with interpreted frames? | |
154 if (is_interpreted_frame()) { | |
155 assert(false, "should never happen"); | |
156 return get_interpreterState()->sender_sp(); | |
157 } else { | |
158 return addr_at(sender_sp_offset); | |
159 } | |
160 } | |
161 | |
162 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
163 assert(is_interpreted_frame(), "must be interpreted"); | |
164 return &(get_interpreterState()->_locals); | |
165 } | |
166 | |
167 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
168 assert(is_interpreted_frame(), "must be interpreted"); | |
304 | 169 return (intptr_t*) &(get_interpreterState()->_bcp); |
0 | 170 } |
171 | |
172 | |
173 // Constant pool cache | |
174 | |
175 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
176 assert(is_interpreted_frame(), "must be interpreted"); | |
177 return &(get_interpreterState()->_constants); | |
178 } | |
179 | |
180 // Method | |
181 | |
182 inline methodOop* frame::interpreter_frame_method_addr() const { | |
183 assert(is_interpreted_frame(), "must be interpreted"); | |
184 return &(get_interpreterState()->_method); | |
185 } | |
186 | |
187 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
188 assert(is_interpreted_frame(), "must be interpreted"); | |
304 | 189 return (intptr_t*) &(get_interpreterState()->_mdx); |
0 | 190 } |
191 | |
192 // top of expression stack | |
193 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
194 assert(is_interpreted_frame(), "wrong frame type"); | |
195 return get_interpreterState()->_stack + 1; | |
196 } | |
197 | |
198 #else /* asm interpreter */ | |
199 inline intptr_t* frame::sender_sp() const { return addr_at( sender_sp_offset); } | |
200 | |
201 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
202 return (intptr_t**)addr_at(interpreter_frame_locals_offset); | |
203 } | |
204 | |
205 inline intptr_t* frame::interpreter_frame_last_sp() const { | |
206 return *(intptr_t**)addr_at(interpreter_frame_last_sp_offset); | |
207 } | |
208 | |
209 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
210 return (intptr_t*)addr_at(interpreter_frame_bcx_offset); | |
211 } | |
212 | |
213 | |
214 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
215 return (intptr_t*)addr_at(interpreter_frame_mdx_offset); | |
216 } | |
217 | |
218 | |
219 | |
220 // Constant pool cache | |
221 | |
222 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
223 return (constantPoolCacheOop*)addr_at(interpreter_frame_cache_offset); | |
224 } | |
225 | |
226 // Method | |
227 | |
228 inline methodOop* frame::interpreter_frame_method_addr() const { | |
229 return (methodOop*)addr_at(interpreter_frame_method_offset); | |
230 } | |
231 | |
232 // top of expression stack | |
233 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
234 intptr_t* last_sp = interpreter_frame_last_sp(); | |
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235 if (last_sp == NULL) { |
0 | 236 return sp(); |
237 } else { | |
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238 // sp() may have been extended or shrunk by an adapter. At least |
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239 // check that we don't fall behind the legal region. |
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240 // For top deoptimized frame last_sp == interpreter_frame_monitor_end. |
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241 assert(last_sp <= (intptr_t*) interpreter_frame_monitor_end(), "bad tos"); |
0 | 242 return last_sp; |
243 } | |
244 } | |
245 | |
246 #endif /* CC_INTERP */ | |
247 | |
248 inline int frame::pd_oop_map_offset_adjustment() const { | |
249 return 0; | |
250 } | |
251 | |
252 inline int frame::interpreter_frame_monitor_size() { | |
253 return BasicObjectLock::size(); | |
254 } | |
255 | |
256 | |
257 // expression stack | |
258 // (the max_stack arguments are used by the GC; see class FrameClosure) | |
259 | |
260 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
261 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); | |
262 return monitor_end-1; | |
263 } | |
264 | |
265 | |
266 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
267 | |
268 | |
269 // Entry frames | |
270 | |
271 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { | |
272 return (JavaCallWrapper*)at(entry_frame_call_wrapper_offset); | |
273 } | |
274 | |
275 | |
276 // Compiled frames | |
277 | |
278 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
279 return (nof_args - local_index + (local_index < nof_args ? 1: -1)); | |
280 } | |
281 | |
282 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
283 return local_offset_for_compiler(local_index, nof_args, max_nof_locals, max_nof_monitors); | |
284 } | |
285 | |
286 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
287 return (nof_args - (max_nof_locals + max_nof_monitors*2) - 1); | |
288 } | |
289 | |
290 inline bool frame::volatile_across_calls(Register reg) { | |
291 return true; | |
292 } | |
293 | |
294 | |
295 | |
296 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
297 return *((oop*) map->location(rax->as_VMReg())); | |
298 } | |
299 | |
300 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
301 *((oop*) map->location(rax->as_VMReg())) = obj; | |
302 } | |
1972 | 303 |
304 #endif // CPU_X86_VM_FRAME_X86_INLINE_HPP |