Mercurial > hg > truffle
annotate src/cpu/sparc/vm/frame_sparc.inline.hpp @ 7198:6ab62ad83507
8003195: AbstractAssembler should not store code pointers but use the CodeSection directly
Reviewed-by: twisti, kvn
Contributed-by: Bharadwaj Yadavalli <bharadwaj.yadavalli@oracle.com>
author | twisti |
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date | Fri, 30 Nov 2012 11:44:05 -0800 |
parents | da91efe96a93 |
children | cd3d6a6b95d9 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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. | |
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 * | |
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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_SPARC_VM_FRAME_SPARC_INLINE_HPP |
26 #define CPU_SPARC_VM_FRAME_SPARC_INLINE_HPP | |
27 | |
0 | 28 // Inline functions for SPARC frames: |
29 | |
30 // Constructors | |
31 | |
32 inline frame::frame() { | |
33 _pc = NULL; | |
34 _sp = NULL; | |
35 _younger_sp = NULL; | |
36 _cb = NULL; | |
37 _deopt_state = unknown; | |
38 _sp_adjustment_by_callee = 0; | |
39 } | |
40 | |
41 // Accessors: | |
42 | |
43 inline bool frame::equal(frame other) const { | |
44 bool ret = sp() == other.sp() | |
45 && fp() == other.fp() | |
46 && pc() == other.pc(); | |
47 assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction"); | |
48 return ret; | |
49 } | |
50 | |
51 // Return unique id for this frame. The id must have a value where we can distinguish | |
52 // identity and younger/older relationship. NULL represents an invalid (incomparable) | |
53 // frame. | |
54 inline intptr_t* frame::id(void) const { return unextended_sp(); } | |
55 | |
56 // Relationals on frames based | |
57 // Return true if the frame is younger (more recent activation) than the frame represented by id | |
58 inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
59 return this->id() < id ; } | |
60 | |
61 // Return true if the frame is older (less recent activation) than the frame represented by id | |
62 inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
63 return this->id() > id ; } | |
64 | |
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65 inline int frame::frame_size(RegisterMap* map) const { return sender_sp() - sp(); } |
0 | 66 |
67 inline intptr_t* frame::link() const { return (intptr_t *)(fp()[FP->sp_offset_in_saved_window()] + STACK_BIAS); } | |
68 | |
69 inline void frame::set_link(intptr_t* addr) { assert(link()==addr, "frame nesting is controlled by hardware"); } | |
70 | |
71 inline intptr_t* frame::unextended_sp() const { return sp() + _sp_adjustment_by_callee; } | |
72 | |
73 // return address: | |
74 | |
75 inline address frame::sender_pc() const { return *I7_addr() + pc_return_offset; } | |
76 | |
77 inline address* frame::I7_addr() const { return (address*) &sp()[ I7->sp_offset_in_saved_window()]; } | |
78 inline address* frame::I0_addr() const { return (address*) &sp()[ I0->sp_offset_in_saved_window()]; } | |
79 | |
80 inline address* frame::O7_addr() const { return (address*) &younger_sp()[ I7->sp_offset_in_saved_window()]; } | |
81 inline address* frame::O0_addr() const { return (address*) &younger_sp()[ I0->sp_offset_in_saved_window()]; } | |
82 | |
83 inline intptr_t* frame::sender_sp() const { return fp(); } | |
84 | |
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85 inline intptr_t* frame::real_fp() const { return fp(); } |
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86 |
0 | 87 // Used only in frame::oopmapreg_to_location |
88 // This return a value in VMRegImpl::slot_size | |
89 inline int frame::pd_oop_map_offset_adjustment() const { | |
90 return _sp_adjustment_by_callee * VMRegImpl::slots_per_word; | |
91 } | |
92 | |
93 #ifdef CC_INTERP | |
94 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
95 interpreterState istate = get_interpreterState(); | |
96 return (intptr_t**) &istate->_locals; | |
97 } | |
98 | |
99 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
100 interpreterState istate = get_interpreterState(); | |
101 return (intptr_t*) &istate->_bcp; | |
102 } | |
103 | |
104 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
105 interpreterState istate = get_interpreterState(); | |
106 return (intptr_t*) &istate->_mdx; | |
107 } | |
108 | |
109 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
110 | |
111 // bottom(base) of the expression stack (highest address) | |
112 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
113 return (intptr_t*)interpreter_frame_monitor_end() - 1; | |
114 } | |
115 | |
116 // top of expression stack (lowest address) | |
117 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
118 interpreterState istate = get_interpreterState(); | |
119 return istate->_stack + 1; // Is this off by one? QQQ | |
120 } | |
121 | |
122 // monitor elements | |
123 | |
124 // in keeping with Intel side: end is lower in memory than begin; | |
125 // and beginning element is oldest element | |
126 // Also begin is one past last monitor. | |
127 | |
128 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
129 return get_interpreterState()->monitor_base(); | |
130 } | |
131 | |
132 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
133 return (BasicObjectLock*) get_interpreterState()->stack_base(); | |
134 } | |
135 | |
136 | |
137 inline int frame::interpreter_frame_monitor_size() { | |
138 return round_to(BasicObjectLock::size(), WordsPerLong); | |
139 } | |
140 | |
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141 inline Method** frame::interpreter_frame_method_addr() const { |
0 | 142 interpreterState istate = get_interpreterState(); |
143 return &istate->_method; | |
144 } | |
145 | |
146 | |
147 // Constant pool cache | |
148 | |
149 // where LcpoolCache is saved: | |
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150 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
0 | 151 interpreterState istate = get_interpreterState(); |
152 return &istate->_constants; // should really use accessor | |
153 } | |
154 | |
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155 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
0 | 156 interpreterState istate = get_interpreterState(); |
157 return &istate->_constants; | |
158 } | |
159 | |
160 #else // !CC_INTERP | |
161 | |
162 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
163 return (intptr_t**) sp_addr_at( Llocals->sp_offset_in_saved_window()); | |
164 } | |
165 | |
166 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
167 // %%%%% reinterpreting Lbcp as a bcx | |
168 return (intptr_t*) sp_addr_at( Lbcp->sp_offset_in_saved_window()); | |
169 } | |
170 | |
171 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
172 // %%%%% reinterpreting ImethodDataPtr as a mdx | |
173 return (intptr_t*) sp_addr_at( ImethodDataPtr->sp_offset_in_saved_window()); | |
174 } | |
175 | |
176 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
177 | |
178 // bottom(base) of the expression stack (highest address) | |
179 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
180 return (intptr_t*)interpreter_frame_monitors() - 1; | |
181 } | |
182 | |
183 // top of expression stack (lowest address) | |
184 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
185 return *interpreter_frame_esp_addr() + 1; | |
186 } | |
187 | |
188 inline void frame::interpreter_frame_set_tos_address( intptr_t* x ) { | |
189 *interpreter_frame_esp_addr() = x - 1; | |
190 } | |
191 | |
192 // monitor elements | |
193 | |
194 // in keeping with Intel side: end is lower in memory than begin; | |
195 // and beginning element is oldest element | |
196 // Also begin is one past last monitor. | |
197 | |
198 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
199 int rounded_vm_local_words = round_to(frame::interpreter_frame_vm_local_words, WordsPerLong); | |
200 return (BasicObjectLock *)fp_addr_at(-rounded_vm_local_words); | |
201 } | |
202 | |
203 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
204 return interpreter_frame_monitors(); | |
205 } | |
206 | |
207 | |
208 inline void frame::interpreter_frame_set_monitor_end(BasicObjectLock* value) { | |
209 interpreter_frame_set_monitors(value); | |
210 } | |
211 | |
212 inline int frame::interpreter_frame_monitor_size() { | |
213 return round_to(BasicObjectLock::size(), WordsPerLong); | |
214 } | |
215 | |
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216 inline Method** frame::interpreter_frame_method_addr() const { |
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217 return (Method**)sp_addr_at( Lmethod->sp_offset_in_saved_window()); |
0 | 218 } |
219 | |
220 | |
221 // Constant pool cache | |
222 | |
223 // where LcpoolCache is saved: | |
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224 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
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225 return (ConstantPoolCache**)sp_addr_at(LcpoolCache->sp_offset_in_saved_window()); |
0 | 226 } |
227 | |
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228 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
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229 return (ConstantPoolCache**)sp_addr_at( LcpoolCache->sp_offset_in_saved_window()); |
0 | 230 } |
231 #endif // CC_INTERP | |
232 | |
233 | |
234 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { | |
235 // note: adjust this code if the link argument in StubGenerator::call_stub() changes! | |
236 const Argument link = Argument(0, false); | |
237 return (JavaCallWrapper*)sp()[link.as_in().as_register()->sp_offset_in_saved_window()]; | |
238 } | |
239 | |
240 | |
241 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
242 // always allocate non-argument locals 0..5 as if they were arguments: | |
243 int allocated_above_frame = nof_args; | |
244 if (allocated_above_frame < callee_register_argument_save_area_words) | |
245 allocated_above_frame = callee_register_argument_save_area_words; | |
246 if (allocated_above_frame > max_nof_locals) | |
247 allocated_above_frame = max_nof_locals; | |
248 | |
249 // Note: monitors (BasicLock blocks) are never allocated in argument slots | |
250 //assert(local_index >= 0 && local_index < max_nof_locals, "bad local index"); | |
251 if (local_index < allocated_above_frame) | |
252 return local_index + callee_register_argument_save_area_sp_offset; | |
253 else | |
254 return local_index - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
255 } | |
256 | |
257 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
258 assert(local_index >= max_nof_locals && ((local_index - max_nof_locals) & 1) && (local_index - max_nof_locals) < max_nof_monitors*2, "bad monitor index"); | |
259 | |
260 // The compiler uses the __higher__ of two indexes allocated to the monitor. | |
261 // Increasing local indexes are mapped to increasing memory locations, | |
262 // so the start of the BasicLock is associated with the __lower__ index. | |
263 | |
264 int offset = (local_index-1) - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
265 | |
266 // We allocate monitors aligned zero mod 8: | |
267 assert((offset & 1) == 0, "monitor must be an an even address."); | |
268 // This works because all monitors are allocated after | |
269 // all locals, and because the highest address corresponding to any | |
270 // monitor index is always even. | |
271 assert((compiler_frame_vm_locals_fp_offset & 1) == 0, "end of monitors must be even address"); | |
272 | |
273 return offset; | |
274 } | |
275 | |
276 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
277 // always allocate non-argument locals 0..5 as if they were arguments: | |
278 int allocated_above_frame = nof_args; | |
279 if (allocated_above_frame < callee_register_argument_save_area_words) | |
280 allocated_above_frame = callee_register_argument_save_area_words; | |
281 if (allocated_above_frame > max_nof_locals) | |
282 allocated_above_frame = max_nof_locals; | |
283 | |
284 int allocated_in_frame = (max_nof_locals + max_nof_monitors*2) - allocated_above_frame; | |
285 | |
286 return compiler_frame_vm_locals_fp_offset - allocated_in_frame; | |
287 } | |
288 | |
289 // On SPARC, the %lN and %iN registers are non-volatile. | |
290 inline bool frame::volatile_across_calls(Register reg) { | |
291 // This predicate is (presently) applied only to temporary registers, | |
292 // and so it need not recognize non-volatile globals. | |
293 return reg->is_out() || reg->is_global(); | |
294 } | |
295 | |
296 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
297 return *((oop*) map->location(O0->as_VMReg())); | |
298 } | |
299 | |
300 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
301 *((oop*) map->location(O0->as_VMReg())) = obj; | |
302 } | |
1972 | 303 |
304 #endif // CPU_SPARC_VM_FRAME_SPARC_INLINE_HPP |