ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "ic-inl.h" |
| 31 | #include "codegen-inl.h" |
| 32 | #include "stub-cache.h" |
| 33 | |
| 34 | namespace v8 { namespace internal { |
| 35 | |
| 36 | #define __ masm-> |
| 37 | |
| 38 | |
| 39 | static void ProbeTable(MacroAssembler* masm, |
| 40 | Code::Flags flags, |
| 41 | StubCache::Table table, |
| 42 | Register name, |
| 43 | Register offset) { |
| 44 | ExternalReference key_offset(SCTableReference::keyReference(table)); |
| 45 | ExternalReference value_offset(SCTableReference::valueReference(table)); |
| 46 | |
| 47 | Label miss; |
| 48 | |
| 49 | // Save the offset on the stack. |
| 50 | __ push(offset); |
| 51 | |
| 52 | // Check that the key in the entry matches the name. |
| 53 | __ cmp(name, Operand::StaticArray(offset, times_2, key_offset)); |
| 54 | __ j(not_equal, &miss, not_taken); |
| 55 | |
| 56 | // Get the code entry from the cache. |
| 57 | __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
| 58 | |
| 59 | // Check that the flags match what we're looking for. |
| 60 | __ mov(offset, FieldOperand(offset, Code::kFlagsOffset)); |
| 61 | __ and_(offset, ~Code::kFlagsTypeMask); |
| 62 | __ cmp(offset, flags); |
| 63 | __ j(not_equal, &miss); |
| 64 | |
| 65 | // Restore offset and re-load code entry from cache. |
| 66 | __ pop(offset); |
| 67 | __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
| 68 | |
| 69 | // Jump to the first instruction in the code stub. |
| 70 | __ add(Operand(offset), Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 71 | __ jmp(Operand(offset)); |
| 72 | |
| 73 | // Miss: Restore offset and fall through. |
| 74 | __ bind(&miss); |
| 75 | __ pop(offset); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 80 | Code::Flags flags, |
| 81 | Register receiver, |
| 82 | Register name, |
| 83 | Register scratch) { |
| 84 | Label miss; |
| 85 | |
| 86 | // Make sure that code is valid. The shifting code relies on the |
| 87 | // entry size being 8. |
| 88 | ASSERT(sizeof(Entry) == 8); |
| 89 | |
| 90 | // Make sure the flags does not name a specific type. |
| 91 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 92 | |
| 93 | // Make sure that there are no register conflicts. |
| 94 | ASSERT(!scratch.is(receiver)); |
| 95 | ASSERT(!scratch.is(name)); |
| 96 | |
| 97 | // Check that the receiver isn't a smi. |
| 98 | __ test(receiver, Immediate(kSmiTagMask)); |
| 99 | __ j(zero, &miss, not_taken); |
| 100 | |
| 101 | // Get the map of the receiver and compute the hash. |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 102 | __ mov(scratch, FieldOperand(name, String::kLengthOffset)); |
| 103 | __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 104 | __ xor_(scratch, flags); |
| 105 | __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize); |
| 106 | |
| 107 | // Probe the primary table. |
| 108 | ProbeTable(masm, flags, kPrimary, name, scratch); |
| 109 | |
| 110 | // Primary miss: Compute hash for secondary probe. |
| 111 | __ sub(scratch, Operand(name)); |
| 112 | __ add(Operand(scratch), Immediate(flags)); |
| 113 | __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize); |
| 114 | |
| 115 | // Probe the secondary table. |
| 116 | ProbeTable(masm, flags, kSecondary, name, scratch); |
| 117 | |
| 118 | // Cache miss: Fall-through and let caller handle the miss by |
| 119 | // entering the runtime system. |
| 120 | __ bind(&miss); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 125 | int index, |
| 126 | Register prototype) { |
| 127 | // Load the global or builtins object from the current context. |
| 128 | __ mov(prototype, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); |
| 129 | // Load the global context from the global or builtins object. |
| 130 | __ mov(prototype, |
| 131 | FieldOperand(prototype, GlobalObject::kGlobalContextOffset)); |
| 132 | // Load the function from the global context. |
| 133 | __ mov(prototype, Operand(prototype, Context::SlotOffset(index))); |
| 134 | // Load the initial map. The global functions all have initial maps. |
| 135 | __ mov(prototype, |
| 136 | FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
| 137 | // Load the prototype from the initial map. |
| 138 | __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 143 | Register receiver, |
| 144 | Register scratch, |
| 145 | Label* miss_label) { |
| 146 | // Check that the receiver isn't a smi. |
| 147 | __ test(receiver, Immediate(kSmiTagMask)); |
| 148 | __ j(zero, miss_label, not_taken); |
| 149 | |
| 150 | // Check that the object is a JS array. |
| 151 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 152 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
| 153 | __ cmp(scratch, JS_ARRAY_TYPE); |
| 154 | __ j(not_equal, miss_label, not_taken); |
| 155 | |
| 156 | // Load length directly from the JS array. |
| 157 | __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset)); |
| 158 | __ ret(0); |
| 159 | } |
| 160 | |
| 161 | |
| 162 | void StubCompiler::GenerateLoadShortStringLength(MacroAssembler* masm, |
| 163 | Register receiver, |
| 164 | Register scratch, |
| 165 | Label* miss_label) { |
| 166 | // Check that the receiver isn't a smi. |
| 167 | __ test(receiver, Immediate(kSmiTagMask)); |
| 168 | __ j(zero, miss_label, not_taken); |
| 169 | |
| 170 | // Check that the object is a short string. |
| 171 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 172 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
| 173 | __ and_(scratch, kIsNotStringMask | kStringSizeMask); |
| 174 | __ cmp(scratch, kStringTag | kShortStringTag); |
| 175 | __ j(not_equal, miss_label, not_taken); |
| 176 | |
| 177 | // Load length directly from the string. |
| 178 | __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
| 179 | __ shr(eax, String::kShortLengthShift); |
| 180 | __ shl(eax, kSmiTagSize); |
| 181 | __ ret(0); |
| 182 | } |
| 183 | |
| 184 | void StubCompiler::GenerateLoadMediumStringLength(MacroAssembler* masm, |
| 185 | Register receiver, |
| 186 | Register scratch, |
| 187 | Label* miss_label) { |
| 188 | // Check that the receiver isn't a smi. |
| 189 | __ test(receiver, Immediate(kSmiTagMask)); |
| 190 | __ j(zero, miss_label, not_taken); |
| 191 | |
| 192 | // Check that the object is a short string. |
| 193 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 194 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
| 195 | __ and_(scratch, kIsNotStringMask | kStringSizeMask); |
| 196 | __ cmp(scratch, kStringTag | kMediumStringTag); |
| 197 | __ j(not_equal, miss_label, not_taken); |
| 198 | |
| 199 | // Load length directly from the string. |
| 200 | __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
| 201 | __ shr(eax, String::kMediumLengthShift); |
| 202 | __ shl(eax, kSmiTagSize); |
| 203 | __ ret(0); |
| 204 | } |
| 205 | |
| 206 | |
| 207 | void StubCompiler::GenerateLoadLongStringLength(MacroAssembler* masm, |
| 208 | Register receiver, |
| 209 | Register scratch, |
| 210 | Label* miss_label) { |
| 211 | // Check that the receiver isn't a smi. |
| 212 | __ test(receiver, Immediate(kSmiTagMask)); |
| 213 | __ j(zero, miss_label, not_taken); |
| 214 | |
| 215 | // Check that the object is a short string. |
| 216 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 217 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
| 218 | __ and_(scratch, kIsNotStringMask | kStringSizeMask); |
| 219 | __ cmp(scratch, kStringTag | kLongStringTag); |
| 220 | __ j(not_equal, miss_label, not_taken); |
| 221 | |
| 222 | // Load length directly from the string. |
| 223 | __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
| 224 | __ shr(eax, String::kLongLengthShift); |
| 225 | __ shl(eax, kSmiTagSize); |
| 226 | __ ret(0); |
| 227 | } |
| 228 | |
| 229 | |
| 230 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 231 | Register receiver, |
| 232 | Register scratch1, |
| 233 | Register scratch2, |
| 234 | Label* miss_label) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 235 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 236 | __ mov(eax, Operand(scratch1)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 237 | __ ret(0); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 238 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 239 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 240 | |
| 241 | // Load a fast property out of a holder object (src). In-object properties |
| 242 | // are loaded directly otherwise the property is loaded from the properties |
| 243 | // fixed array. |
| 244 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
| 245 | Register dst, Register src, |
| 246 | JSObject* holder, int index) { |
| 247 | // Adjust for the number of properties stored in the holder. |
| 248 | index -= holder->map()->inobject_properties(); |
| 249 | if (index < 0) { |
| 250 | // Get the property straight out of the holder. |
| 251 | int offset = holder->map()->instance_size() + (index * kPointerSize); |
| 252 | __ mov(dst, FieldOperand(src, offset)); |
| 253 | } else { |
| 254 | // Calculate the offset into the properties array. |
| 255 | int offset = index * kPointerSize + Array::kHeaderSize; |
| 256 | __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
| 257 | __ mov(dst, FieldOperand(dst, offset)); |
| 258 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | |
| 262 | void StubCompiler::GenerateLoadField(MacroAssembler* masm, |
| 263 | JSObject* object, |
| 264 | JSObject* holder, |
| 265 | Register receiver, |
| 266 | Register scratch1, |
| 267 | Register scratch2, |
| 268 | int index, |
| 269 | Label* miss_label) { |
| 270 | // Check that the receiver isn't a smi. |
| 271 | __ test(receiver, Immediate(kSmiTagMask)); |
| 272 | __ j(zero, miss_label, not_taken); |
| 273 | |
| 274 | // Check that the maps haven't changed. |
| 275 | Register reg = |
| 276 | __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
| 277 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 278 | // Get the value from the properties. |
| 279 | GenerateFastPropertyLoad(masm, eax, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 280 | __ ret(0); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | void StubCompiler::GenerateLoadCallback(MacroAssembler* masm, |
| 285 | JSObject* object, |
| 286 | JSObject* holder, |
| 287 | Register receiver, |
| 288 | Register name, |
| 289 | Register scratch1, |
| 290 | Register scratch2, |
| 291 | AccessorInfo* callback, |
| 292 | Label* miss_label) { |
| 293 | // Check that the receiver isn't a smi. |
| 294 | __ test(receiver, Immediate(kSmiTagMask)); |
| 295 | __ j(zero, miss_label, not_taken); |
| 296 | |
| 297 | // Check that the maps haven't changed. |
| 298 | Register reg = |
| 299 | __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
| 300 | |
| 301 | // Push the arguments on the JS stack of the caller. |
| 302 | __ pop(scratch2); // remove return address |
| 303 | __ push(receiver); // receiver |
| 304 | __ push(Immediate(Handle<AccessorInfo>(callback))); // callback data |
| 305 | __ push(name); // name |
| 306 | __ push(reg); // holder |
| 307 | __ push(scratch2); // restore return address |
| 308 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 309 | // Do tail-call to the runtime system. |
| 310 | ExternalReference load_callback_property = |
| 311 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
| 312 | __ TailCallRuntime(load_callback_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | |
| 316 | void StubCompiler::GenerateLoadConstant(MacroAssembler* masm, |
| 317 | JSObject* object, |
| 318 | JSObject* holder, |
| 319 | Register receiver, |
| 320 | Register scratch1, |
| 321 | Register scratch2, |
| 322 | Object* value, |
| 323 | Label* miss_label) { |
| 324 | // Check that the receiver isn't a smi. |
| 325 | __ test(receiver, Immediate(kSmiTagMask)); |
| 326 | __ j(zero, miss_label, not_taken); |
| 327 | |
| 328 | // Check that the maps haven't changed. |
| 329 | Register reg = |
| 330 | __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
| 331 | |
| 332 | // Return the constant value. |
| 333 | __ mov(eax, Handle<Object>(value)); |
| 334 | __ ret(0); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm, |
| 339 | JSObject* object, |
| 340 | JSObject* holder, |
| 341 | Register receiver, |
| 342 | Register name, |
| 343 | Register scratch1, |
| 344 | Register scratch2, |
| 345 | Label* miss_label) { |
| 346 | // Check that the receiver isn't a smi. |
| 347 | __ test(receiver, Immediate(kSmiTagMask)); |
| 348 | __ j(zero, miss_label, not_taken); |
| 349 | |
| 350 | // Check that the maps haven't changed. |
| 351 | Register reg = |
| 352 | __ CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
| 353 | |
| 354 | // Push the arguments on the JS stack of the caller. |
| 355 | __ pop(scratch2); // remove return address |
| 356 | __ push(receiver); // receiver |
| 357 | __ push(reg); // holder |
| 358 | __ push(name); // name |
| 359 | __ push(scratch2); // restore return address |
| 360 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 361 | // Do tail-call to the runtime system. |
| 362 | ExternalReference load_ic_property = |
| 363 | ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
| 364 | __ TailCallRuntime(load_ic_property, 3); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | |
| 368 | void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { |
| 369 | ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC); |
| 370 | Code* code = NULL; |
| 371 | if (kind == Code::LOAD_IC) { |
| 372 | code = Builtins::builtin(Builtins::LoadIC_Miss); |
| 373 | } else { |
| 374 | code = Builtins::builtin(Builtins::KeyedLoadIC_Miss); |
| 375 | } |
| 376 | |
| 377 | Handle<Code> ic(code); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 378 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | |
| 382 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 383 | Builtins::Name storage_extend, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 384 | JSObject* object, |
| 385 | int index, |
| 386 | Map* transition, |
| 387 | Register receiver_reg, |
| 388 | Register name_reg, |
| 389 | Register scratch, |
| 390 | Label* miss_label) { |
| 391 | // Check that the object isn't a smi. |
| 392 | __ test(receiver_reg, Immediate(kSmiTagMask)); |
| 393 | __ j(zero, miss_label, not_taken); |
| 394 | |
| 395 | // Check that the map of the object hasn't changed. |
| 396 | __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
| 397 | Immediate(Handle<Map>(object->map()))); |
| 398 | __ j(not_equal, miss_label, not_taken); |
| 399 | |
| 400 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 401 | if (object->IsJSGlobalProxy()) { |
| 402 | __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | // Stub never generated for non-global objects that require access |
| 406 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 407 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 408 | |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 409 | // Perform map transition for the receiver if necessary. |
| 410 | if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) { |
| 411 | // The properties must be extended before we can store the value. |
| 412 | // We jump to a runtime call that extends the propeties array. |
| 413 | __ mov(Operand(ecx), Immediate(Handle<Map>(transition))); |
| 414 | Handle<Code> ic(Builtins::builtin(storage_extend)); |
| 415 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 416 | return; |
| 417 | } |
| 418 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 419 | // Adjust for the number of properties stored in the object. Even in the |
| 420 | // face of a transition we can use the old map here because the size of the |
| 421 | // object and the number of in-object properties is not going to change. |
| 422 | index -= object->map()->inobject_properties(); |
| 423 | |
| 424 | if (index >= 0) { |
| 425 | // Get the properties array (optimistically). |
| 426 | __ mov(scratch, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 427 | } |
| 428 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 429 | if (transition != NULL) { |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 430 | // Update the map of the object; no write barrier updating is |
| 431 | // needed because the map is never in new space. |
| 432 | __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
| 433 | Immediate(Handle<Map>(transition))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 434 | } |
| 435 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 436 | if (index < 0) { |
| 437 | // Set the property straight into the object. |
| 438 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 439 | __ mov(FieldOperand(receiver_reg, offset), eax); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 440 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 441 | // Update the write barrier for the array address. |
| 442 | // Pass the value being stored in the now unused name_reg. |
| 443 | __ mov(name_reg, Operand(eax)); |
| 444 | __ RecordWrite(receiver_reg, offset, name_reg, scratch); |
| 445 | } else { |
| 446 | // Write to the properties array. |
| 447 | int offset = index * kPointerSize + Array::kHeaderSize; |
| 448 | __ mov(FieldOperand(scratch, offset), eax); |
| 449 | |
| 450 | // Update the write barrier for the array address. |
| 451 | // Pass the value being stored in the now unused name_reg. |
| 452 | __ mov(name_reg, Operand(eax)); |
| 453 | __ RecordWrite(scratch, offset, name_reg, receiver_reg); |
| 454 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 455 | |
| 456 | // Return the value (register eax). |
| 457 | __ ret(0); |
| 458 | } |
| 459 | |
| 460 | |
| 461 | #undef __ |
| 462 | |
| 463 | #define __ masm()-> |
| 464 | |
| 465 | |
| 466 | // TODO(1241006): Avoid having lazy compile stubs specialized by the |
| 467 | // number of arguments. It is not needed anymore. |
| 468 | Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
| 469 | HandleScope scope; |
| 470 | |
| 471 | // Enter an internal frame. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 472 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 473 | |
| 474 | // Push a copy of the function onto the stack. |
| 475 | __ push(edi); |
| 476 | |
| 477 | __ push(edi); // function is also the parameter to the runtime call |
| 478 | __ CallRuntime(Runtime::kLazyCompile, 1); |
| 479 | __ pop(edi); |
| 480 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 481 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 482 | |
| 483 | // Do a tail-call of the compiled function. |
| 484 | __ lea(ecx, FieldOperand(eax, Code::kHeaderSize)); |
| 485 | __ jmp(Operand(ecx)); |
| 486 | |
| 487 | return GetCodeWithFlags(flags); |
| 488 | } |
| 489 | |
| 490 | |
| 491 | Object* CallStubCompiler::CompileCallField(Object* object, |
| 492 | JSObject* holder, |
| 493 | int index) { |
| 494 | // ----------- S t a t e ------------- |
| 495 | // ----------------------------------- |
| 496 | |
| 497 | HandleScope scope; |
| 498 | Label miss; |
| 499 | |
| 500 | // Get the receiver from the stack. |
| 501 | const int argc = arguments().immediate(); |
| 502 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 503 | |
| 504 | // Check that the receiver isn't a smi. |
| 505 | __ test(edx, Immediate(kSmiTagMask)); |
| 506 | __ j(zero, &miss, not_taken); |
| 507 | |
| 508 | // Do the right check and compute the holder register. |
| 509 | Register reg = |
| 510 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
| 511 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 512 | GenerateFastPropertyLoad(masm(), edi, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 513 | |
| 514 | // Check that the function really is a function. |
| 515 | __ test(edi, Immediate(kSmiTagMask)); |
| 516 | __ j(zero, &miss, not_taken); |
| 517 | __ mov(ebx, FieldOperand(edi, HeapObject::kMapOffset)); // get the map |
| 518 | __ movzx_b(ebx, FieldOperand(ebx, Map::kInstanceTypeOffset)); |
| 519 | __ cmp(ebx, JS_FUNCTION_TYPE); |
| 520 | __ j(not_equal, &miss, not_taken); |
| 521 | |
| 522 | // Invoke the function. |
| 523 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
| 524 | |
| 525 | // Handle call cache miss. |
| 526 | __ bind(&miss); |
| 527 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 528 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 529 | |
| 530 | // Return the generated code. |
| 531 | return GetCode(FIELD); |
| 532 | } |
| 533 | |
| 534 | |
| 535 | Object* CallStubCompiler::CompileCallConstant(Object* object, |
| 536 | JSObject* holder, |
| 537 | JSFunction* function, |
| 538 | CheckType check) { |
| 539 | // ----------- S t a t e ------------- |
| 540 | // ----------------------------------- |
| 541 | |
| 542 | HandleScope scope; |
| 543 | Label miss; |
| 544 | |
| 545 | // Get the receiver from the stack. |
| 546 | const int argc = arguments().immediate(); |
| 547 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 548 | |
| 549 | // Check that the receiver isn't a smi. |
| 550 | if (check != NUMBER_CHECK) { |
| 551 | __ test(edx, Immediate(kSmiTagMask)); |
| 552 | __ j(zero, &miss, not_taken); |
| 553 | } |
| 554 | |
| 555 | switch (check) { |
| 556 | case RECEIVER_MAP_CHECK: |
| 557 | // Check that the maps haven't changed. |
| 558 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
| 559 | break; |
| 560 | |
| 561 | case STRING_CHECK: |
| 562 | // Check that the object is a two-byte string or a symbol. |
| 563 | __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 564 | __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
| 565 | __ cmp(ecx, FIRST_NONSTRING_TYPE); |
| 566 | __ j(above_equal, &miss, not_taken); |
| 567 | // Check that the maps starting from the prototype haven't changed. |
| 568 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 569 | Context::STRING_FUNCTION_INDEX, |
| 570 | ecx); |
| 571 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 572 | ecx, holder, ebx, edx, &miss); |
| 573 | break; |
| 574 | |
| 575 | case NUMBER_CHECK: { |
| 576 | Label fast; |
| 577 | // Check that the object is a smi or a heap number. |
| 578 | __ test(edx, Immediate(kSmiTagMask)); |
| 579 | __ j(zero, &fast, taken); |
| 580 | __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 581 | __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
| 582 | __ cmp(ecx, HEAP_NUMBER_TYPE); |
| 583 | __ j(not_equal, &miss, not_taken); |
| 584 | __ bind(&fast); |
| 585 | // Check that the maps starting from the prototype haven't changed. |
| 586 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 587 | Context::NUMBER_FUNCTION_INDEX, |
| 588 | ecx); |
| 589 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 590 | ecx, holder, ebx, edx, &miss); |
| 591 | break; |
| 592 | } |
| 593 | |
| 594 | case BOOLEAN_CHECK: { |
| 595 | Label fast; |
| 596 | // Check that the object is a boolean. |
| 597 | __ cmp(edx, Factory::true_value()); |
| 598 | __ j(equal, &fast, taken); |
| 599 | __ cmp(edx, Factory::false_value()); |
| 600 | __ j(not_equal, &miss, not_taken); |
| 601 | __ bind(&fast); |
| 602 | // Check that the maps starting from the prototype haven't changed. |
| 603 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 604 | Context::BOOLEAN_FUNCTION_INDEX, |
| 605 | ecx); |
| 606 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 607 | ecx, holder, ebx, edx, &miss); |
| 608 | break; |
| 609 | } |
| 610 | |
| 611 | case JSARRAY_HAS_FAST_ELEMENTS_CHECK: |
| 612 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
| 613 | // Make sure object->elements()->map() != Heap::dictionary_array_map() |
| 614 | // Get the elements array of the object. |
| 615 | __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
| 616 | // Check that the object is in fast mode (not dictionary). |
| 617 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 618 | Immediate(Factory::hash_table_map())); |
| 619 | __ j(equal, &miss, not_taken); |
| 620 | break; |
| 621 | |
| 622 | default: |
| 623 | UNREACHABLE(); |
| 624 | } |
| 625 | |
| 626 | // Get the function and setup the context. |
| 627 | __ mov(Operand(edi), Immediate(Handle<JSFunction>(function))); |
| 628 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 629 | |
| 630 | // Jump to the cached code (tail call). |
| 631 | Handle<Code> code(function->code()); |
| 632 | ParameterCount expected(function->shared()->formal_parameter_count()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 633 | __ InvokeCode(code, expected, arguments(), |
| 634 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 635 | |
| 636 | // Handle call cache miss. |
| 637 | __ bind(&miss); |
| 638 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 639 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 640 | |
| 641 | // Return the generated code. |
| 642 | return GetCode(CONSTANT_FUNCTION); |
| 643 | } |
| 644 | |
| 645 | |
| 646 | Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
| 647 | JSObject* holder, |
| 648 | String* name) { |
| 649 | // ----------- S t a t e ------------- |
| 650 | // ----------------------------------- |
| 651 | |
| 652 | HandleScope scope; |
| 653 | Label miss; |
| 654 | |
| 655 | // Get the number of arguments. |
| 656 | const int argc = arguments().immediate(); |
| 657 | |
| 658 | // Get the receiver from the stack. |
| 659 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 660 | // Check that the receiver isn't a smi. |
| 661 | __ test(edx, Immediate(kSmiTagMask)); |
| 662 | __ j(zero, &miss, not_taken); |
| 663 | |
| 664 | // Check that maps have not changed and compute the holder register. |
| 665 | Register reg = |
| 666 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
| 667 | |
| 668 | // Enter an internal frame. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 669 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 670 | |
| 671 | // Push arguments on the expression stack. |
| 672 | __ push(edx); // receiver |
| 673 | __ push(reg); // holder |
| 674 | __ push(Operand(ebp, (argc + 3) * kPointerSize)); // name |
| 675 | |
| 676 | // Perform call. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 677 | ExternalReference load_interceptor = |
| 678 | ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 679 | __ mov(Operand(eax), Immediate(3)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 680 | __ mov(Operand(ebx), Immediate(load_interceptor)); |
| 681 | |
| 682 | CEntryStub stub; |
| 683 | __ CallStub(&stub); |
| 684 | |
| 685 | // Move result to edi and restore receiver. |
| 686 | __ mov(Operand(edi), eax); |
| 687 | __ mov(edx, Operand(ebp, (argc + 2) * kPointerSize)); // receiver |
| 688 | |
| 689 | // Exit frame. |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 690 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 691 | |
| 692 | // Check that the function really is a function. |
| 693 | __ test(edi, Immediate(kSmiTagMask)); |
| 694 | __ j(zero, &miss, not_taken); |
| 695 | __ mov(ebx, FieldOperand(edi, HeapObject::kMapOffset)); |
| 696 | __ movzx_b(ebx, FieldOperand(ebx, Map::kInstanceTypeOffset)); |
| 697 | __ cmp(ebx, JS_FUNCTION_TYPE); |
| 698 | __ j(not_equal, &miss, not_taken); |
| 699 | |
| 700 | // Invoke the function. |
| 701 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
| 702 | |
| 703 | // Handle load cache miss. |
| 704 | __ bind(&miss); |
| 705 | Handle<Code> ic = ComputeCallMiss(argc); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 706 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 707 | |
| 708 | // Return the generated code. |
| 709 | return GetCode(INTERCEPTOR); |
| 710 | } |
| 711 | |
| 712 | |
| 713 | Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
| 714 | int index, |
| 715 | Map* transition, |
| 716 | String* name) { |
| 717 | // ----------- S t a t e ------------- |
| 718 | // -- eax : value |
| 719 | // -- ecx : name |
| 720 | // -- esp[0] : return address |
| 721 | // -- esp[4] : receiver |
| 722 | // ----------------------------------- |
| 723 | |
| 724 | HandleScope scope; |
| 725 | Label miss; |
| 726 | |
| 727 | // Get the object from the stack. |
| 728 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 729 | |
| 730 | // Generate store field code. Trashes the name register. |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 731 | GenerateStoreField(masm(), |
| 732 | Builtins::StoreIC_ExtendStorage, |
| 733 | object, |
| 734 | index, |
| 735 | transition, |
| 736 | ebx, ecx, edx, |
| 737 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 738 | |
| 739 | // Handle store cache miss. |
| 740 | __ bind(&miss); |
| 741 | __ mov(Operand(ecx), Immediate(Handle<String>(name))); // restore name |
| 742 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 743 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 744 | |
| 745 | // Return the generated code. |
| 746 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION); |
| 747 | } |
| 748 | |
| 749 | |
| 750 | Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, |
| 751 | AccessorInfo* callback, |
| 752 | String* name) { |
| 753 | // ----------- S t a t e ------------- |
| 754 | // -- eax : value |
| 755 | // -- ecx : name |
| 756 | // -- esp[0] : return address |
| 757 | // -- esp[4] : receiver |
| 758 | // ----------------------------------- |
| 759 | |
| 760 | HandleScope scope; |
| 761 | Label miss; |
| 762 | |
| 763 | // Get the object from the stack. |
| 764 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 765 | |
| 766 | // Check that the object isn't a smi. |
| 767 | __ test(ebx, Immediate(kSmiTagMask)); |
| 768 | __ j(zero, &miss, not_taken); |
| 769 | |
| 770 | // Check that the map of the object hasn't changed. |
| 771 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 772 | Immediate(Handle<Map>(object->map()))); |
| 773 | __ j(not_equal, &miss, not_taken); |
| 774 | |
| 775 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 776 | if (object->IsJSGlobalProxy()) { |
| 777 | __ CheckAccessGlobalProxy(ebx, edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | // Stub never generated for non-global objects that require access |
| 781 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 782 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 783 | |
| 784 | __ pop(ebx); // remove the return address |
| 785 | __ push(Operand(esp, 0)); // receiver |
| 786 | __ push(Immediate(Handle<AccessorInfo>(callback))); // callback info |
| 787 | __ push(ecx); // name |
| 788 | __ push(eax); // value |
| 789 | __ push(ebx); // restore return address |
| 790 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 791 | // Do tail-call to the runtime system. |
| 792 | ExternalReference store_callback_property = |
| 793 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); |
| 794 | __ TailCallRuntime(store_callback_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 795 | |
| 796 | // Handle store cache miss. |
| 797 | __ bind(&miss); |
| 798 | __ mov(Operand(ecx), Immediate(Handle<String>(name))); // restore name |
| 799 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 800 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 801 | |
| 802 | // Return the generated code. |
| 803 | return GetCode(CALLBACKS); |
| 804 | } |
| 805 | |
| 806 | |
| 807 | Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, |
| 808 | String* name) { |
| 809 | // ----------- S t a t e ------------- |
| 810 | // -- eax : value |
| 811 | // -- ecx : name |
| 812 | // -- esp[0] : return address |
| 813 | // -- esp[4] : receiver |
| 814 | // ----------------------------------- |
| 815 | |
| 816 | HandleScope scope; |
| 817 | Label miss; |
| 818 | |
| 819 | // Get the object from the stack. |
| 820 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 821 | |
| 822 | // Check that the object isn't a smi. |
| 823 | __ test(ebx, Immediate(kSmiTagMask)); |
| 824 | __ j(zero, &miss, not_taken); |
| 825 | |
| 826 | // Check that the map of the object hasn't changed. |
| 827 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 828 | Immediate(Handle<Map>(receiver->map()))); |
| 829 | __ j(not_equal, &miss, not_taken); |
| 830 | |
| 831 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 832 | if (receiver->IsJSGlobalProxy()) { |
| 833 | __ CheckAccessGlobalProxy(ebx, edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | // Stub never generated for non-global objects that require access |
| 837 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame^] | 838 | ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 839 | |
| 840 | __ pop(ebx); // remove the return address |
| 841 | __ push(Operand(esp, 0)); // receiver |
| 842 | __ push(ecx); // name |
| 843 | __ push(eax); // value |
| 844 | __ push(ebx); // restore return address |
| 845 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 846 | // Do tail-call to the runtime system. |
| 847 | ExternalReference store_ic_property = |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 848 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 849 | __ TailCallRuntime(store_ic_property, 3); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 850 | |
| 851 | // Handle store cache miss. |
| 852 | __ bind(&miss); |
| 853 | __ mov(Operand(ecx), Immediate(Handle<String>(name))); // restore name |
| 854 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 855 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 856 | |
| 857 | // Return the generated code. |
| 858 | return GetCode(INTERCEPTOR); |
| 859 | } |
| 860 | |
| 861 | |
| 862 | Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
| 863 | int index, |
| 864 | Map* transition, |
| 865 | String* name) { |
| 866 | // ----------- S t a t e ------------- |
| 867 | // -- eax : value |
| 868 | // -- esp[0] : return address |
| 869 | // -- esp[4] : key |
| 870 | // -- esp[8] : receiver |
| 871 | // ----------------------------------- |
| 872 | HandleScope scope; |
| 873 | Label miss; |
| 874 | |
| 875 | __ IncrementCounter(&Counters::keyed_store_field, 1); |
| 876 | |
| 877 | // Get the name from the stack. |
| 878 | __ mov(ecx, Operand(esp, 1 * kPointerSize)); |
| 879 | // Check that the name has not changed. |
| 880 | __ cmp(Operand(ecx), Immediate(Handle<String>(name))); |
| 881 | __ j(not_equal, &miss, not_taken); |
| 882 | |
| 883 | // Get the object from the stack. |
| 884 | __ mov(ebx, Operand(esp, 2 * kPointerSize)); |
| 885 | |
| 886 | // Generate store field code. Trashes the name register. |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 887 | GenerateStoreField(masm(), |
| 888 | Builtins::KeyedStoreIC_ExtendStorage, |
| 889 | object, |
| 890 | index, |
| 891 | transition, |
| 892 | ebx, ecx, edx, |
| 893 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 894 | |
| 895 | // Handle store cache miss. |
| 896 | __ bind(&miss); |
| 897 | __ DecrementCounter(&Counters::keyed_store_field, 1); |
| 898 | Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 899 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 900 | |
| 901 | // Return the generated code. |
| 902 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION); |
| 903 | } |
| 904 | |
| 905 | |
| 906 | Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
| 907 | JSObject* holder, |
| 908 | int index) { |
| 909 | // ----------- S t a t e ------------- |
| 910 | // -- ecx : name |
| 911 | // -- esp[0] : return address |
| 912 | // -- esp[4] : receiver |
| 913 | // ----------------------------------- |
| 914 | |
| 915 | HandleScope scope; |
| 916 | Label miss; |
| 917 | |
| 918 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 919 | GenerateLoadField(masm(), object, holder, eax, ebx, edx, index, &miss); |
| 920 | __ bind(&miss); |
| 921 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 922 | |
| 923 | // Return the generated code. |
| 924 | return GetCode(FIELD); |
| 925 | } |
| 926 | |
| 927 | |
| 928 | Object* LoadStubCompiler::CompileLoadCallback(JSObject* object, |
| 929 | JSObject* holder, |
| 930 | AccessorInfo* callback) { |
| 931 | // ----------- S t a t e ------------- |
| 932 | // -- ecx : name |
| 933 | // -- esp[0] : return address |
| 934 | // -- esp[4] : receiver |
| 935 | // ----------------------------------- |
| 936 | |
| 937 | HandleScope scope; |
| 938 | Label miss; |
| 939 | |
| 940 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 941 | GenerateLoadCallback(masm(), object, holder, eax, ecx, ebx, |
| 942 | edx, callback, &miss); |
| 943 | __ bind(&miss); |
| 944 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 945 | |
| 946 | // Return the generated code. |
| 947 | return GetCode(CALLBACKS); |
| 948 | } |
| 949 | |
| 950 | |
| 951 | Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
| 952 | JSObject* holder, |
| 953 | Object* value) { |
| 954 | // ----------- S t a t e ------------- |
| 955 | // -- ecx : name |
| 956 | // -- esp[0] : return address |
| 957 | // -- esp[4] : receiver |
| 958 | // ----------------------------------- |
| 959 | |
| 960 | HandleScope scope; |
| 961 | Label miss; |
| 962 | |
| 963 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 964 | GenerateLoadConstant(masm(), object, holder, eax, ebx, edx, value, &miss); |
| 965 | __ bind(&miss); |
| 966 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 967 | |
| 968 | // Return the generated code. |
| 969 | return GetCode(CONSTANT_FUNCTION); |
| 970 | } |
| 971 | |
| 972 | |
| 973 | Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 974 | JSObject* holder, |
| 975 | String* name) { |
| 976 | // ----------- S t a t e ------------- |
| 977 | // -- ecx : name |
| 978 | // -- esp[0] : return address |
| 979 | // -- esp[4] : receiver |
| 980 | // ----------------------------------- |
| 981 | HandleScope scope; |
| 982 | Label miss; |
| 983 | |
| 984 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 985 | GenerateLoadInterceptor(masm(), receiver, holder, eax, ecx, edx, ebx, &miss); |
| 986 | __ bind(&miss); |
| 987 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 988 | |
| 989 | // Return the generated code. |
| 990 | return GetCode(INTERCEPTOR); |
| 991 | } |
| 992 | |
| 993 | |
| 994 | Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
| 995 | JSObject* receiver, |
| 996 | JSObject* holder, |
| 997 | int index) { |
| 998 | // ----------- S t a t e ------------- |
| 999 | // -- esp[0] : return address |
| 1000 | // -- esp[4] : name |
| 1001 | // -- esp[8] : receiver |
| 1002 | // ----------------------------------- |
| 1003 | HandleScope scope; |
| 1004 | Label miss; |
| 1005 | |
| 1006 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1007 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1008 | __ IncrementCounter(&Counters::keyed_load_field, 1); |
| 1009 | |
| 1010 | // Check that the name has not changed. |
| 1011 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1012 | __ j(not_equal, &miss, not_taken); |
| 1013 | |
| 1014 | GenerateLoadField(masm(), receiver, holder, ecx, ebx, edx, index, &miss); |
| 1015 | __ bind(&miss); |
| 1016 | __ DecrementCounter(&Counters::keyed_load_field, 1); |
| 1017 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1018 | |
| 1019 | // Return the generated code. |
| 1020 | return GetCode(FIELD); |
| 1021 | } |
| 1022 | |
| 1023 | |
| 1024 | Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
| 1025 | JSObject* receiver, |
| 1026 | JSObject* holder, |
| 1027 | AccessorInfo* callback) { |
| 1028 | // ----------- S t a t e ------------- |
| 1029 | // -- esp[0] : return address |
| 1030 | // -- esp[4] : name |
| 1031 | // -- esp[8] : receiver |
| 1032 | // ----------------------------------- |
| 1033 | HandleScope scope; |
| 1034 | Label miss; |
| 1035 | |
| 1036 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1037 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1038 | __ IncrementCounter(&Counters::keyed_load_callback, 1); |
| 1039 | |
| 1040 | // Check that the name has not changed. |
| 1041 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1042 | __ j(not_equal, &miss, not_taken); |
| 1043 | |
| 1044 | GenerateLoadCallback(masm(), receiver, holder, ecx, eax, ebx, edx, |
| 1045 | callback, &miss); |
| 1046 | __ bind(&miss); |
| 1047 | __ DecrementCounter(&Counters::keyed_load_callback, 1); |
| 1048 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1049 | |
| 1050 | // Return the generated code. |
| 1051 | return GetCode(CALLBACKS); |
| 1052 | } |
| 1053 | |
| 1054 | |
| 1055 | Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
| 1056 | JSObject* receiver, |
| 1057 | JSObject* holder, |
| 1058 | Object* value) { |
| 1059 | // ----------- S t a t e ------------- |
| 1060 | // -- esp[0] : return address |
| 1061 | // -- esp[4] : name |
| 1062 | // -- esp[8] : receiver |
| 1063 | // ----------------------------------- |
| 1064 | HandleScope scope; |
| 1065 | Label miss; |
| 1066 | |
| 1067 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1068 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1069 | __ IncrementCounter(&Counters::keyed_load_constant_function, 1); |
| 1070 | |
| 1071 | // Check that the name has not changed. |
| 1072 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1073 | __ j(not_equal, &miss, not_taken); |
| 1074 | |
| 1075 | GenerateLoadConstant(masm(), receiver, holder, ecx, ebx, edx, value, &miss); |
| 1076 | __ bind(&miss); |
| 1077 | __ DecrementCounter(&Counters::keyed_load_constant_function, 1); |
| 1078 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1079 | |
| 1080 | // Return the generated code. |
| 1081 | return GetCode(CONSTANT_FUNCTION); |
| 1082 | } |
| 1083 | |
| 1084 | |
| 1085 | Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 1086 | JSObject* holder, |
| 1087 | String* name) { |
| 1088 | // ----------- S t a t e ------------- |
| 1089 | // -- esp[0] : return address |
| 1090 | // -- esp[4] : name |
| 1091 | // -- esp[8] : receiver |
| 1092 | // ----------------------------------- |
| 1093 | HandleScope scope; |
| 1094 | Label miss; |
| 1095 | |
| 1096 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1097 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1098 | __ IncrementCounter(&Counters::keyed_load_interceptor, 1); |
| 1099 | |
| 1100 | // Check that the name has not changed. |
| 1101 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1102 | __ j(not_equal, &miss, not_taken); |
| 1103 | |
| 1104 | GenerateLoadInterceptor(masm(), receiver, holder, ecx, eax, edx, ebx, &miss); |
| 1105 | __ bind(&miss); |
| 1106 | __ DecrementCounter(&Counters::keyed_load_interceptor, 1); |
| 1107 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1108 | |
| 1109 | // Return the generated code. |
| 1110 | return GetCode(INTERCEPTOR); |
| 1111 | } |
| 1112 | |
| 1113 | |
| 1114 | |
| 1115 | |
| 1116 | Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
| 1117 | // ----------- S t a t e ------------- |
| 1118 | // -- esp[0] : return address |
| 1119 | // -- esp[4] : name |
| 1120 | // -- esp[8] : receiver |
| 1121 | // ----------------------------------- |
| 1122 | HandleScope scope; |
| 1123 | Label miss; |
| 1124 | |
| 1125 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1126 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1127 | __ IncrementCounter(&Counters::keyed_load_array_length, 1); |
| 1128 | |
| 1129 | // Check that the name has not changed. |
| 1130 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1131 | __ j(not_equal, &miss, not_taken); |
| 1132 | |
| 1133 | GenerateLoadArrayLength(masm(), ecx, edx, &miss); |
| 1134 | __ bind(&miss); |
| 1135 | __ DecrementCounter(&Counters::keyed_load_array_length, 1); |
| 1136 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1137 | |
| 1138 | // Return the generated code. |
| 1139 | return GetCode(CALLBACKS); |
| 1140 | } |
| 1141 | |
| 1142 | |
| 1143 | Object* KeyedLoadStubCompiler::CompileLoadShortStringLength(String* name) { |
| 1144 | // ----------- S t a t e ------------- |
| 1145 | // -- esp[0] : return address |
| 1146 | // -- esp[4] : name |
| 1147 | // -- esp[8] : receiver |
| 1148 | // ----------------------------------- |
| 1149 | HandleScope scope; |
| 1150 | Label miss; |
| 1151 | |
| 1152 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1153 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1154 | __ IncrementCounter(&Counters::keyed_load_string_length, 1); |
| 1155 | |
| 1156 | // Check that the name has not changed. |
| 1157 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1158 | __ j(not_equal, &miss, not_taken); |
| 1159 | |
| 1160 | GenerateLoadShortStringLength(masm(), ecx, edx, &miss); |
| 1161 | __ bind(&miss); |
| 1162 | __ DecrementCounter(&Counters::keyed_load_string_length, 1); |
| 1163 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1164 | |
| 1165 | // Return the generated code. |
| 1166 | return GetCode(CALLBACKS); |
| 1167 | } |
| 1168 | |
| 1169 | |
| 1170 | Object* KeyedLoadStubCompiler::CompileLoadMediumStringLength(String* name) { |
| 1171 | // ----------- S t a t e ------------- |
| 1172 | // -- esp[0] : return address |
| 1173 | // -- esp[4] : name |
| 1174 | // -- esp[8] : receiver |
| 1175 | // ----------------------------------- |
| 1176 | HandleScope scope; |
| 1177 | Label miss; |
| 1178 | |
| 1179 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1180 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1181 | __ IncrementCounter(&Counters::keyed_load_string_length, 1); |
| 1182 | |
| 1183 | // Check that the name has not changed. |
| 1184 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1185 | __ j(not_equal, &miss, not_taken); |
| 1186 | |
| 1187 | GenerateLoadMediumStringLength(masm(), ecx, edx, &miss); |
| 1188 | __ bind(&miss); |
| 1189 | __ DecrementCounter(&Counters::keyed_load_string_length, 1); |
| 1190 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1191 | |
| 1192 | // Return the generated code. |
| 1193 | return GetCode(CALLBACKS); |
| 1194 | } |
| 1195 | |
| 1196 | |
| 1197 | Object* KeyedLoadStubCompiler::CompileLoadLongStringLength(String* name) { |
| 1198 | // ----------- S t a t e ------------- |
| 1199 | // -- esp[0] : return address |
| 1200 | // -- esp[4] : name |
| 1201 | // -- esp[8] : receiver |
| 1202 | // ----------------------------------- |
| 1203 | HandleScope scope; |
| 1204 | Label miss; |
| 1205 | |
| 1206 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1207 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1208 | __ IncrementCounter(&Counters::keyed_load_string_length, 1); |
| 1209 | |
| 1210 | // Check that the name has not changed. |
| 1211 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1212 | __ j(not_equal, &miss, not_taken); |
| 1213 | |
| 1214 | GenerateLoadLongStringLength(masm(), ecx, edx, &miss); |
| 1215 | __ bind(&miss); |
| 1216 | __ DecrementCounter(&Counters::keyed_load_string_length, 1); |
| 1217 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1218 | |
| 1219 | // Return the generated code. |
| 1220 | return GetCode(CALLBACKS); |
| 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
| 1225 | // ----------- S t a t e ------------- |
| 1226 | // -- esp[0] : return address |
| 1227 | // -- esp[4] : name |
| 1228 | // -- esp[8] : receiver |
| 1229 | // ----------------------------------- |
| 1230 | HandleScope scope; |
| 1231 | Label miss; |
| 1232 | |
| 1233 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1234 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1235 | __ IncrementCounter(&Counters::keyed_load_function_prototype, 1); |
| 1236 | |
| 1237 | // Check that the name has not changed. |
| 1238 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1239 | __ j(not_equal, &miss, not_taken); |
| 1240 | |
| 1241 | GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss); |
| 1242 | __ bind(&miss); |
| 1243 | __ DecrementCounter(&Counters::keyed_load_function_prototype, 1); |
| 1244 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1245 | |
| 1246 | // Return the generated code. |
| 1247 | return GetCode(CALLBACKS); |
| 1248 | } |
| 1249 | |
| 1250 | |
| 1251 | #undef __ |
| 1252 | |
| 1253 | } } // namespace v8::internal |