Mercurial > hg > truffle
annotate src/cpu/sparc/vm/frame_sparc.inline.hpp @ 7780:550c952f5d3f
Merge
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 12 Feb 2013 16:06:20 +0100 |
parents | a7a93887b4c4 |
children | b8f261ba79c6 |
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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 | |
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28 #include "asm/macroAssembler.hpp" |
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29 |
0 | 30 // Inline functions for SPARC frames: |
31 | |
32 // Constructors | |
33 | |
34 inline frame::frame() { | |
35 _pc = NULL; | |
36 _sp = NULL; | |
37 _younger_sp = NULL; | |
38 _cb = NULL; | |
39 _deopt_state = unknown; | |
40 _sp_adjustment_by_callee = 0; | |
41 } | |
42 | |
43 // Accessors: | |
44 | |
45 inline bool frame::equal(frame other) const { | |
46 bool ret = sp() == other.sp() | |
47 && fp() == other.fp() | |
48 && pc() == other.pc(); | |
49 assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction"); | |
50 return ret; | |
51 } | |
52 | |
53 // Return unique id for this frame. The id must have a value where we can distinguish | |
54 // identity and younger/older relationship. NULL represents an invalid (incomparable) | |
55 // frame. | |
56 inline intptr_t* frame::id(void) const { return unextended_sp(); } | |
57 | |
58 // Relationals on frames based | |
59 // Return true if the frame is younger (more recent activation) than the frame represented by id | |
60 inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
61 return this->id() < id ; } | |
62 | |
63 // Return true if the frame is older (less recent activation) than the frame represented by id | |
64 inline bool frame::is_older(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id"); | |
65 return this->id() > id ; } | |
66 | |
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67 inline int frame::frame_size(RegisterMap* map) const { return sender_sp() - sp(); } |
0 | 68 |
69 inline intptr_t* frame::link() const { return (intptr_t *)(fp()[FP->sp_offset_in_saved_window()] + STACK_BIAS); } | |
70 | |
71 inline void frame::set_link(intptr_t* addr) { assert(link()==addr, "frame nesting is controlled by hardware"); } | |
72 | |
73 inline intptr_t* frame::unextended_sp() const { return sp() + _sp_adjustment_by_callee; } | |
74 | |
75 // return address: | |
76 | |
7735 | 77 inline address* frame::sender_pc_addr() const { return (address*) (I7_addr() + pc_return_offset); } |
78 inline address frame::sender_pc() const { return *sender_pc_addr(); } | |
0 | 79 |
80 inline address* frame::I7_addr() const { return (address*) &sp()[ I7->sp_offset_in_saved_window()]; } | |
81 inline address* frame::I0_addr() const { return (address*) &sp()[ I0->sp_offset_in_saved_window()]; } | |
82 | |
83 inline address* frame::O7_addr() const { return (address*) &younger_sp()[ I7->sp_offset_in_saved_window()]; } | |
84 inline address* frame::O0_addr() const { return (address*) &younger_sp()[ I0->sp_offset_in_saved_window()]; } | |
85 | |
86 inline intptr_t* frame::sender_sp() const { return fp(); } | |
87 | |
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88 inline intptr_t* frame::real_fp() const { return fp(); } |
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89 |
0 | 90 // Used only in frame::oopmapreg_to_location |
91 // This return a value in VMRegImpl::slot_size | |
92 inline int frame::pd_oop_map_offset_adjustment() const { | |
93 return _sp_adjustment_by_callee * VMRegImpl::slots_per_word; | |
94 } | |
95 | |
96 #ifdef CC_INTERP | |
97 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
98 interpreterState istate = get_interpreterState(); | |
99 return (intptr_t**) &istate->_locals; | |
100 } | |
101 | |
102 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
103 interpreterState istate = get_interpreterState(); | |
104 return (intptr_t*) &istate->_bcp; | |
105 } | |
106 | |
107 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
108 interpreterState istate = get_interpreterState(); | |
109 return (intptr_t*) &istate->_mdx; | |
110 } | |
111 | |
112 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
113 | |
114 // bottom(base) of the expression stack (highest address) | |
115 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
116 return (intptr_t*)interpreter_frame_monitor_end() - 1; | |
117 } | |
118 | |
119 // top of expression stack (lowest address) | |
120 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
121 interpreterState istate = get_interpreterState(); | |
122 return istate->_stack + 1; // Is this off by one? QQQ | |
123 } | |
124 | |
125 // monitor elements | |
126 | |
127 // in keeping with Intel side: end is lower in memory than begin; | |
128 // and beginning element is oldest element | |
129 // Also begin is one past last monitor. | |
130 | |
131 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
132 return get_interpreterState()->monitor_base(); | |
133 } | |
134 | |
135 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
136 return (BasicObjectLock*) get_interpreterState()->stack_base(); | |
137 } | |
138 | |
139 | |
140 inline int frame::interpreter_frame_monitor_size() { | |
141 return round_to(BasicObjectLock::size(), WordsPerLong); | |
142 } | |
143 | |
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144 inline Method** frame::interpreter_frame_method_addr() const { |
0 | 145 interpreterState istate = get_interpreterState(); |
146 return &istate->_method; | |
147 } | |
148 | |
149 | |
150 // Constant pool cache | |
151 | |
152 // where LcpoolCache is saved: | |
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153 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
0 | 154 interpreterState istate = get_interpreterState(); |
155 return &istate->_constants; // should really use accessor | |
156 } | |
157 | |
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158 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
0 | 159 interpreterState istate = get_interpreterState(); |
160 return &istate->_constants; | |
161 } | |
162 | |
163 #else // !CC_INTERP | |
164 | |
165 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
166 return (intptr_t**) sp_addr_at( Llocals->sp_offset_in_saved_window()); | |
167 } | |
168 | |
169 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
170 // %%%%% reinterpreting Lbcp as a bcx | |
171 return (intptr_t*) sp_addr_at( Lbcp->sp_offset_in_saved_window()); | |
172 } | |
173 | |
174 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
175 // %%%%% reinterpreting ImethodDataPtr as a mdx | |
176 return (intptr_t*) sp_addr_at( ImethodDataPtr->sp_offset_in_saved_window()); | |
177 } | |
178 | |
179 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
180 | |
181 // bottom(base) of the expression stack (highest address) | |
182 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
183 return (intptr_t*)interpreter_frame_monitors() - 1; | |
184 } | |
185 | |
186 // top of expression stack (lowest address) | |
187 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
188 return *interpreter_frame_esp_addr() + 1; | |
189 } | |
190 | |
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191 inline BasicObjectLock** frame::interpreter_frame_monitors_addr() const { |
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192 return (BasicObjectLock**) sp_addr_at(Lmonitors->sp_offset_in_saved_window()); |
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193 } |
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194 inline intptr_t** frame::interpreter_frame_esp_addr() const { |
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195 return (intptr_t**)sp_addr_at(Lesp->sp_offset_in_saved_window()); |
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196 } |
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197 |
0 | 198 inline void frame::interpreter_frame_set_tos_address( intptr_t* x ) { |
199 *interpreter_frame_esp_addr() = x - 1; | |
200 } | |
201 | |
202 // monitor elements | |
203 | |
204 // in keeping with Intel side: end is lower in memory than begin; | |
205 // and beginning element is oldest element | |
206 // Also begin is one past last monitor. | |
207 | |
208 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
209 int rounded_vm_local_words = round_to(frame::interpreter_frame_vm_local_words, WordsPerLong); | |
210 return (BasicObjectLock *)fp_addr_at(-rounded_vm_local_words); | |
211 } | |
212 | |
213 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
214 return interpreter_frame_monitors(); | |
215 } | |
216 | |
217 | |
218 inline void frame::interpreter_frame_set_monitor_end(BasicObjectLock* value) { | |
219 interpreter_frame_set_monitors(value); | |
220 } | |
221 | |
222 inline int frame::interpreter_frame_monitor_size() { | |
223 return round_to(BasicObjectLock::size(), WordsPerLong); | |
224 } | |
225 | |
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226 inline Method** frame::interpreter_frame_method_addr() const { |
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227 return (Method**)sp_addr_at( Lmethod->sp_offset_in_saved_window()); |
0 | 228 } |
229 | |
230 | |
231 // Constant pool cache | |
232 | |
233 // where LcpoolCache is saved: | |
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234 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
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235 return (ConstantPoolCache**)sp_addr_at(LcpoolCache->sp_offset_in_saved_window()); |
0 | 236 } |
237 | |
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238 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
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239 return (ConstantPoolCache**)sp_addr_at( LcpoolCache->sp_offset_in_saved_window()); |
0 | 240 } |
241 #endif // CC_INTERP | |
242 | |
243 | |
244 inline JavaCallWrapper* frame::entry_frame_call_wrapper() const { | |
245 // note: adjust this code if the link argument in StubGenerator::call_stub() changes! | |
246 const Argument link = Argument(0, false); | |
247 return (JavaCallWrapper*)sp()[link.as_in().as_register()->sp_offset_in_saved_window()]; | |
248 } | |
249 | |
250 | |
251 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
252 // always allocate non-argument locals 0..5 as if they were arguments: | |
253 int allocated_above_frame = nof_args; | |
254 if (allocated_above_frame < callee_register_argument_save_area_words) | |
255 allocated_above_frame = callee_register_argument_save_area_words; | |
256 if (allocated_above_frame > max_nof_locals) | |
257 allocated_above_frame = max_nof_locals; | |
258 | |
259 // Note: monitors (BasicLock blocks) are never allocated in argument slots | |
260 //assert(local_index >= 0 && local_index < max_nof_locals, "bad local index"); | |
261 if (local_index < allocated_above_frame) | |
262 return local_index + callee_register_argument_save_area_sp_offset; | |
263 else | |
264 return local_index - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
265 } | |
266 | |
267 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
268 assert(local_index >= max_nof_locals && ((local_index - max_nof_locals) & 1) && (local_index - max_nof_locals) < max_nof_monitors*2, "bad monitor index"); | |
269 | |
270 // The compiler uses the __higher__ of two indexes allocated to the monitor. | |
271 // Increasing local indexes are mapped to increasing memory locations, | |
272 // so the start of the BasicLock is associated with the __lower__ index. | |
273 | |
274 int offset = (local_index-1) - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
275 | |
276 // We allocate monitors aligned zero mod 8: | |
277 assert((offset & 1) == 0, "monitor must be an an even address."); | |
278 // This works because all monitors are allocated after | |
279 // all locals, and because the highest address corresponding to any | |
280 // monitor index is always even. | |
281 assert((compiler_frame_vm_locals_fp_offset & 1) == 0, "end of monitors must be even address"); | |
282 | |
283 return offset; | |
284 } | |
285 | |
286 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
287 // always allocate non-argument locals 0..5 as if they were arguments: | |
288 int allocated_above_frame = nof_args; | |
289 if (allocated_above_frame < callee_register_argument_save_area_words) | |
290 allocated_above_frame = callee_register_argument_save_area_words; | |
291 if (allocated_above_frame > max_nof_locals) | |
292 allocated_above_frame = max_nof_locals; | |
293 | |
294 int allocated_in_frame = (max_nof_locals + max_nof_monitors*2) - allocated_above_frame; | |
295 | |
296 return compiler_frame_vm_locals_fp_offset - allocated_in_frame; | |
297 } | |
298 | |
299 // On SPARC, the %lN and %iN registers are non-volatile. | |
300 inline bool frame::volatile_across_calls(Register reg) { | |
301 // This predicate is (presently) applied only to temporary registers, | |
302 // and so it need not recognize non-volatile globals. | |
303 return reg->is_out() || reg->is_global(); | |
304 } | |
305 | |
306 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
307 return *((oop*) map->location(O0->as_VMReg())); | |
308 } | |
309 | |
310 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
311 *((oop*) map->location(O0->as_VMReg())) = obj; | |
312 } | |
1972 | 313 |
314 #endif // CPU_SPARC_VM_FRAME_SPARC_INLINE_HPP |