Mercurial > hg > graal-jvmci-8
comparison src/cpu/x86/vm/frame_x86.inline.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 93b6525e3b82 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 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 | |
38 inline frame:: frame(intptr_t* sp, intptr_t* fp, address pc) { | |
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); | |
45 _deopt_state = not_deoptimized; | |
46 if (_cb != NULL && _cb->is_nmethod() && ((nmethod*)_cb)->is_deopt_pc(_pc)) { | |
47 _pc = (((nmethod*)_cb)->get_original_pc(this)); | |
48 _deopt_state = is_deoptimized; | |
49 } else { | |
50 _deopt_state = not_deoptimized; | |
51 } | |
52 } | |
53 | |
54 inline frame:: frame(intptr_t* sp, intptr_t* unextended_sp, intptr_t* fp, address pc) { | |
55 _sp = sp; | |
56 _unextended_sp = unextended_sp; | |
57 _fp = fp; | |
58 _pc = pc; | |
59 assert(pc != NULL, "no pc?"); | |
60 _cb = CodeCache::find_blob(pc); | |
61 _deopt_state = not_deoptimized; | |
62 if (_cb != NULL && _cb->is_nmethod() && ((nmethod*)_cb)->is_deopt_pc(_pc)) { | |
63 _pc = (((nmethod*)_cb)->get_original_pc(this)); | |
64 _deopt_state = is_deoptimized; | |
65 } else { | |
66 _deopt_state = not_deoptimized; | |
67 } | |
68 } | |
69 | |
70 inline frame::frame(intptr_t* sp, intptr_t* fp) { | |
71 _sp = sp; | |
72 _unextended_sp = sp; | |
73 _fp = fp; | |
74 _pc = (address)(sp[-1]); | |
75 assert(_pc != NULL, "no pc?"); | |
76 _cb = CodeCache::find_blob(_pc); | |
77 // In case of native stubs, the pc retreived here might be | |
78 // wrong. (the _last_native_pc will have the right value) | |
79 // So do not put add any asserts on the _pc here. | |
80 | |
81 // QQQ The above comment is wrong and has been wrong for years. This constructor | |
82 // should (and MUST) not be called in that situation. In the native situation | |
83 // the pc should be supplied to the constructor. | |
84 _deopt_state = not_deoptimized; | |
85 if (_cb != NULL && _cb->is_nmethod() && ((nmethod*)_cb)->is_deopt_pc(_pc)) { | |
86 _pc = (((nmethod*)_cb)->get_original_pc(this)); | |
87 _deopt_state = is_deoptimized; | |
88 } else { | |
89 _deopt_state = not_deoptimized; | |
90 } | |
91 } | |
92 | |
93 // Accessors | |
94 | |
95 inline bool frame::equal(frame other) const { | |
96 bool ret = sp() == other.sp() | |
97 && unextended_sp() == other.unextended_sp() | |
98 && fp() == other.fp() | |
99 && pc() == other.pc(); | |
100 assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction"); | |
101 return ret; | |
102 } | |
103 | |
104 // Return unique id for this frame. The id must have a value where we can distinguish | |
105 // identity and younger/older relationship. NULL represents an invalid (incomparable) | |
106 // frame. | |
107 inline intptr_t* frame::id(void) const { return unextended_sp(); } | |
108 | |
109 // Relationals on frames based | |
110 // Return true if the frame is younger (more recent activation) than the frame represented by id | |
111 inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
112 return this->id() < id ; } | |
113 | |
114 // Return true if the frame is older (less recent activation) than the frame represented by id | |
115 inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
116 return this->id() > id ; } | |
117 | |
118 | |
119 | |
120 inline intptr_t* frame::link() const { return (intptr_t*) *(intptr_t **)addr_at(link_offset); } | |
121 inline void frame::set_link(intptr_t* addr) { *(intptr_t **)addr_at(link_offset) = addr; } | |
122 | |
123 | |
124 inline intptr_t* frame::unextended_sp() const { return _unextended_sp; } | |
125 | |
126 // Return address: | |
127 | |
128 inline address* frame::sender_pc_addr() const { return (address*) addr_at( return_addr_offset); } | |
129 inline address frame::sender_pc() const { return *sender_pc_addr(); } | |
130 | |
131 // return address of param, zero origin index. | |
132 inline address* frame::native_param_addr(int idx) const { return (address*) addr_at( native_frame_initial_param_offset+idx); } | |
133 | |
134 #ifdef CC_INTERP | |
135 | |
136 inline interpreterState frame::get_interpreterState() const { | |
137 return ((interpreterState)addr_at( -sizeof(BytecodeInterpreter)/wordSize )); | |
138 } | |
139 | |
140 inline intptr_t* frame::sender_sp() const { | |
141 // Hmm this seems awfully expensive QQQ, is this really called with interpreted frames? | |
142 if (is_interpreted_frame()) { | |
143 assert(false, "should never happen"); | |
144 return get_interpreterState()->sender_sp(); | |
145 } else { | |
146 return addr_at(sender_sp_offset); | |
147 } | |
148 } | |
149 | |
150 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
151 assert(is_interpreted_frame(), "must be interpreted"); | |
152 return &(get_interpreterState()->_locals); | |
153 } | |
154 | |
155 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
156 assert(is_interpreted_frame(), "must be interpreted"); | |
157 return (jint*) &(get_interpreterState()->_bcp); | |
158 } | |
159 | |
160 | |
161 // Constant pool cache | |
162 | |
163 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
164 assert(is_interpreted_frame(), "must be interpreted"); | |
165 return &(get_interpreterState()->_constants); | |
166 } | |
167 | |
168 // Method | |
169 | |
170 inline methodOop* frame::interpreter_frame_method_addr() const { | |
171 assert(is_interpreted_frame(), "must be interpreted"); | |
172 return &(get_interpreterState()->_method); | |
173 } | |
174 | |
175 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
176 assert(is_interpreted_frame(), "must be interpreted"); | |
177 return (jint*) &(get_interpreterState()->_mdx); | |
178 } | |
179 | |
180 // top of expression stack | |
181 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
182 assert(is_interpreted_frame(), "wrong frame type"); | |
183 return get_interpreterState()->_stack + 1; | |
184 } | |
185 | |
186 #else /* asm interpreter */ | |
187 inline intptr_t* frame::sender_sp() const { return addr_at( sender_sp_offset); } | |
188 | |
189 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
190 return (intptr_t**)addr_at(interpreter_frame_locals_offset); | |
191 } | |
192 | |
193 inline intptr_t* frame::interpreter_frame_last_sp() const { | |
194 return *(intptr_t**)addr_at(interpreter_frame_last_sp_offset); | |
195 } | |
196 | |
197 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
198 return (intptr_t*)addr_at(interpreter_frame_bcx_offset); | |
199 } | |
200 | |
201 | |
202 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
203 return (intptr_t*)addr_at(interpreter_frame_mdx_offset); | |
204 } | |
205 | |
206 | |
207 | |
208 // Constant pool cache | |
209 | |
210 inline constantPoolCacheOop* frame::interpreter_frame_cache_addr() const { | |
211 return (constantPoolCacheOop*)addr_at(interpreter_frame_cache_offset); | |
212 } | |
213 | |
214 // Method | |
215 | |
216 inline methodOop* frame::interpreter_frame_method_addr() const { | |
217 return (methodOop*)addr_at(interpreter_frame_method_offset); | |
218 } | |
219 | |
220 // top of expression stack | |
221 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
222 intptr_t* last_sp = interpreter_frame_last_sp(); | |
223 if (last_sp == NULL ) { | |
224 return sp(); | |
225 } else { | |
226 // sp() may have been extended by an adapter | |
227 assert(last_sp < fp() && last_sp >= sp(), "bad tos"); | |
228 return last_sp; | |
229 } | |
230 } | |
231 | |
232 #endif /* CC_INTERP */ | |
233 | |
234 inline int frame::pd_oop_map_offset_adjustment() const { | |
235 return 0; | |
236 } | |
237 | |
238 inline int frame::interpreter_frame_monitor_size() { | |
239 return BasicObjectLock::size(); | |
240 } | |
241 | |
242 | |
243 // expression stack | |
244 // (the max_stack arguments are used by the GC; see class FrameClosure) | |
245 | |
246 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
247 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end(); | |
248 return monitor_end-1; | |
249 } | |
250 | |
251 | |
252 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
253 | |
254 | |
255 // Entry frames | |
256 | |
257 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { | |
258 return (JavaCallWrapper*)at(entry_frame_call_wrapper_offset); | |
259 } | |
260 | |
261 | |
262 // Compiled frames | |
263 | |
264 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
265 return (nof_args - local_index + (local_index < nof_args ? 1: -1)); | |
266 } | |
267 | |
268 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
269 return local_offset_for_compiler(local_index, nof_args, max_nof_locals, max_nof_monitors); | |
270 } | |
271 | |
272 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
273 return (nof_args - (max_nof_locals + max_nof_monitors*2) - 1); | |
274 } | |
275 | |
276 inline bool frame::volatile_across_calls(Register reg) { | |
277 return true; | |
278 } | |
279 | |
280 | |
281 | |
282 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
283 return *((oop*) map->location(rax->as_VMReg())); | |
284 } | |
285 | |
286 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
287 *((oop*) map->location(rax->as_VMReg())) = obj; | |
288 } |