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annotate src/cpu/sparc/vm/frame_sparc.inline.hpp @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children | 52b4284cb496 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 17524 | 2 * Copyright (c) 1997, 2013, 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 | |
| 77 inline address frame::sender_pc() const { return *I7_addr() + pc_return_offset; } | |
| 78 | |
| 79 inline address* frame::I7_addr() const { return (address*) &sp()[ I7->sp_offset_in_saved_window()]; } | |
| 80 inline address* frame::I0_addr() const { return (address*) &sp()[ I0->sp_offset_in_saved_window()]; } | |
| 81 | |
| 82 inline address* frame::O7_addr() const { return (address*) &younger_sp()[ I7->sp_offset_in_saved_window()]; } | |
| 83 inline address* frame::O0_addr() const { return (address*) &younger_sp()[ I0->sp_offset_in_saved_window()]; } | |
| 84 | |
| 85 inline intptr_t* frame::sender_sp() const { return fp(); } | |
| 86 | |
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87 inline intptr_t* frame::real_fp() const { return fp(); } |
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88 |
| 0 | 89 // Used only in frame::oopmapreg_to_location |
| 90 // This return a value in VMRegImpl::slot_size | |
| 91 inline int frame::pd_oop_map_offset_adjustment() const { | |
| 92 return _sp_adjustment_by_callee * VMRegImpl::slots_per_word; | |
| 93 } | |
| 94 | |
| 95 #ifdef CC_INTERP | |
| 96 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
| 97 interpreterState istate = get_interpreterState(); | |
| 98 return (intptr_t**) &istate->_locals; | |
| 99 } | |
| 100 | |
| 101 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
| 102 interpreterState istate = get_interpreterState(); | |
| 103 return (intptr_t*) &istate->_bcp; | |
| 104 } | |
| 105 | |
| 106 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
| 107 interpreterState istate = get_interpreterState(); | |
| 108 return (intptr_t*) &istate->_mdx; | |
| 109 } | |
| 110 | |
| 111 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
| 112 | |
| 113 // bottom(base) of the expression stack (highest address) | |
| 114 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
| 115 return (intptr_t*)interpreter_frame_monitor_end() - 1; | |
| 116 } | |
| 117 | |
| 118 // top of expression stack (lowest address) | |
| 119 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
| 120 interpreterState istate = get_interpreterState(); | |
| 121 return istate->_stack + 1; // Is this off by one? QQQ | |
| 122 } | |
| 123 | |
| 124 // monitor elements | |
| 125 | |
| 126 // in keeping with Intel side: end is lower in memory than begin; | |
| 127 // and beginning element is oldest element | |
| 128 // Also begin is one past last monitor. | |
| 129 | |
| 130 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
| 131 return get_interpreterState()->monitor_base(); | |
| 132 } | |
| 133 | |
| 134 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
| 135 return (BasicObjectLock*) get_interpreterState()->stack_base(); | |
| 136 } | |
| 137 | |
| 138 | |
| 139 inline int frame::interpreter_frame_monitor_size() { | |
| 140 return round_to(BasicObjectLock::size(), WordsPerLong); | |
| 141 } | |
| 142 | |
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143 inline Method** frame::interpreter_frame_method_addr() const { |
| 0 | 144 interpreterState istate = get_interpreterState(); |
| 145 return &istate->_method; | |
| 146 } | |
| 147 | |
| 148 | |
| 149 // Constant pool cache | |
| 150 | |
| 151 // where LcpoolCache is saved: | |
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152 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
| 0 | 153 interpreterState istate = get_interpreterState(); |
| 154 return &istate->_constants; // should really use accessor | |
| 155 } | |
| 156 | |
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157 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
| 0 | 158 interpreterState istate = get_interpreterState(); |
| 159 return &istate->_constants; | |
| 160 } | |
| 161 | |
| 162 #else // !CC_INTERP | |
| 163 | |
| 164 inline intptr_t** frame::interpreter_frame_locals_addr() const { | |
| 165 return (intptr_t**) sp_addr_at( Llocals->sp_offset_in_saved_window()); | |
| 166 } | |
| 167 | |
| 168 inline intptr_t* frame::interpreter_frame_bcx_addr() const { | |
| 169 // %%%%% reinterpreting Lbcp as a bcx | |
| 170 return (intptr_t*) sp_addr_at( Lbcp->sp_offset_in_saved_window()); | |
| 171 } | |
| 172 | |
| 173 inline intptr_t* frame::interpreter_frame_mdx_addr() const { | |
| 174 // %%%%% reinterpreting ImethodDataPtr as a mdx | |
| 175 return (intptr_t*) sp_addr_at( ImethodDataPtr->sp_offset_in_saved_window()); | |
| 176 } | |
| 177 | |
| 178 inline jint frame::interpreter_frame_expression_stack_direction() { return -1; } | |
| 179 | |
| 180 // bottom(base) of the expression stack (highest address) | |
| 181 inline intptr_t* frame::interpreter_frame_expression_stack() const { | |
| 182 return (intptr_t*)interpreter_frame_monitors() - 1; | |
| 183 } | |
| 184 | |
| 185 // top of expression stack (lowest address) | |
| 186 inline intptr_t* frame::interpreter_frame_tos_address() const { | |
| 187 return *interpreter_frame_esp_addr() + 1; | |
| 188 } | |
| 189 | |
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190 inline BasicObjectLock** frame::interpreter_frame_monitors_addr() const { |
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191 return (BasicObjectLock**) sp_addr_at(Lmonitors->sp_offset_in_saved_window()); |
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192 } |
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193 inline intptr_t** frame::interpreter_frame_esp_addr() const { |
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194 return (intptr_t**)sp_addr_at(Lesp->sp_offset_in_saved_window()); |
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195 } |
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196 |
| 0 | 197 inline void frame::interpreter_frame_set_tos_address( intptr_t* x ) { |
| 198 *interpreter_frame_esp_addr() = x - 1; | |
| 199 } | |
| 200 | |
| 201 // monitor elements | |
| 202 | |
| 203 // in keeping with Intel side: end is lower in memory than begin; | |
| 204 // and beginning element is oldest element | |
| 205 // Also begin is one past last monitor. | |
| 206 | |
| 207 inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
| 208 int rounded_vm_local_words = round_to(frame::interpreter_frame_vm_local_words, WordsPerLong); | |
| 209 return (BasicObjectLock *)fp_addr_at(-rounded_vm_local_words); | |
| 210 } | |
| 211 | |
| 212 inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
| 213 return interpreter_frame_monitors(); | |
| 214 } | |
| 215 | |
| 216 | |
| 217 inline void frame::interpreter_frame_set_monitor_end(BasicObjectLock* value) { | |
| 218 interpreter_frame_set_monitors(value); | |
| 219 } | |
| 220 | |
| 221 inline int frame::interpreter_frame_monitor_size() { | |
| 222 return round_to(BasicObjectLock::size(), WordsPerLong); | |
| 223 } | |
| 224 | |
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225 inline Method** frame::interpreter_frame_method_addr() const { |
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226 return (Method**)sp_addr_at( Lmethod->sp_offset_in_saved_window()); |
| 0 | 227 } |
| 228 | |
| 229 | |
| 230 // Constant pool cache | |
| 231 | |
| 232 // where LcpoolCache is saved: | |
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233 inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { |
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234 return (ConstantPoolCache**)sp_addr_at(LcpoolCache->sp_offset_in_saved_window()); |
| 0 | 235 } |
| 236 | |
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237 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { |
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238 return (ConstantPoolCache**)sp_addr_at( LcpoolCache->sp_offset_in_saved_window()); |
| 0 | 239 } |
| 240 #endif // CC_INTERP | |
| 241 | |
| 242 | |
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243 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const { |
| 0 | 244 // note: adjust this code if the link argument in StubGenerator::call_stub() changes! |
| 245 const Argument link = Argument(0, false); | |
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246 return (JavaCallWrapper**)&sp()[link.as_in().as_register()->sp_offset_in_saved_window()]; |
| 0 | 247 } |
| 248 | |
| 249 | |
| 250 inline int frame::local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
| 251 // always allocate non-argument locals 0..5 as if they were arguments: | |
| 252 int allocated_above_frame = nof_args; | |
| 253 if (allocated_above_frame < callee_register_argument_save_area_words) | |
| 254 allocated_above_frame = callee_register_argument_save_area_words; | |
| 255 if (allocated_above_frame > max_nof_locals) | |
| 256 allocated_above_frame = max_nof_locals; | |
| 257 | |
| 258 // Note: monitors (BasicLock blocks) are never allocated in argument slots | |
| 259 //assert(local_index >= 0 && local_index < max_nof_locals, "bad local index"); | |
| 260 if (local_index < allocated_above_frame) | |
| 261 return local_index + callee_register_argument_save_area_sp_offset; | |
| 262 else | |
| 263 return local_index - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
| 264 } | |
| 265 | |
| 266 inline int frame::monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors) { | |
| 267 assert(local_index >= max_nof_locals && ((local_index - max_nof_locals) & 1) && (local_index - max_nof_locals) < max_nof_monitors*2, "bad monitor index"); | |
| 268 | |
| 269 // The compiler uses the __higher__ of two indexes allocated to the monitor. | |
| 270 // Increasing local indexes are mapped to increasing memory locations, | |
| 271 // so the start of the BasicLock is associated with the __lower__ index. | |
| 272 | |
| 273 int offset = (local_index-1) - (max_nof_locals + max_nof_monitors*2) + compiler_frame_vm_locals_fp_offset; | |
| 274 | |
| 275 // We allocate monitors aligned zero mod 8: | |
| 276 assert((offset & 1) == 0, "monitor must be an an even address."); | |
| 277 // This works because all monitors are allocated after | |
| 278 // all locals, and because the highest address corresponding to any | |
| 279 // monitor index is always even. | |
| 280 assert((compiler_frame_vm_locals_fp_offset & 1) == 0, "end of monitors must be even address"); | |
| 281 | |
| 282 return offset; | |
| 283 } | |
| 284 | |
| 285 inline int frame::min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors) { | |
| 286 // always allocate non-argument locals 0..5 as if they were arguments: | |
| 287 int allocated_above_frame = nof_args; | |
| 288 if (allocated_above_frame < callee_register_argument_save_area_words) | |
| 289 allocated_above_frame = callee_register_argument_save_area_words; | |
| 290 if (allocated_above_frame > max_nof_locals) | |
| 291 allocated_above_frame = max_nof_locals; | |
| 292 | |
| 293 int allocated_in_frame = (max_nof_locals + max_nof_monitors*2) - allocated_above_frame; | |
| 294 | |
| 295 return compiler_frame_vm_locals_fp_offset - allocated_in_frame; | |
| 296 } | |
| 297 | |
| 298 // On SPARC, the %lN and %iN registers are non-volatile. | |
| 299 inline bool frame::volatile_across_calls(Register reg) { | |
| 300 // This predicate is (presently) applied only to temporary registers, | |
| 301 // and so it need not recognize non-volatile globals. | |
| 302 return reg->is_out() || reg->is_global(); | |
| 303 } | |
| 304 | |
| 305 inline oop frame::saved_oop_result(RegisterMap* map) const { | |
| 306 return *((oop*) map->location(O0->as_VMReg())); | |
| 307 } | |
| 308 | |
| 309 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) { | |
| 310 *((oop*) map->location(O0->as_VMReg())) = obj; | |
| 311 } | |
| 1972 | 312 |
| 313 #endif // CPU_SPARC_VM_FRAME_SPARC_INLINE_HPP |