kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1 | // Copyright 2006-2009 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 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 34 | namespace v8 { |
| 35 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 36 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 37 | #define __ ACCESS_MASM(masm) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 38 | |
| 39 | |
| 40 | static void ProbeTable(MacroAssembler* masm, |
| 41 | Code::Flags flags, |
| 42 | StubCache::Table table, |
| 43 | Register name, |
| 44 | Register offset) { |
| 45 | ExternalReference key_offset(SCTableReference::keyReference(table)); |
| 46 | ExternalReference value_offset(SCTableReference::valueReference(table)); |
| 47 | |
| 48 | Label miss; |
| 49 | |
| 50 | // Save the offset on the stack. |
| 51 | __ push(offset); |
| 52 | |
| 53 | // Check that the key in the entry matches the name. |
| 54 | __ mov(ip, Operand(key_offset)); |
| 55 | __ ldr(ip, MemOperand(ip, offset, LSL, 1)); |
| 56 | __ cmp(name, Operand(ip)); |
| 57 | __ b(ne, &miss); |
| 58 | |
| 59 | // Get the code entry from the cache. |
| 60 | __ mov(ip, Operand(value_offset)); |
| 61 | __ ldr(offset, MemOperand(ip, offset, LSL, 1)); |
| 62 | |
| 63 | // Check that the flags match what we're looking for. |
| 64 | __ ldr(offset, FieldMemOperand(offset, Code::kFlagsOffset)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 65 | __ and_(offset, offset, Operand(~Code::kFlagsNotUsedInLookup)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 66 | __ cmp(offset, Operand(flags)); |
| 67 | __ b(ne, &miss); |
| 68 | |
| 69 | // Restore offset and re-load code entry from cache. |
| 70 | __ pop(offset); |
| 71 | __ mov(ip, Operand(value_offset)); |
| 72 | __ ldr(offset, MemOperand(ip, offset, LSL, 1)); |
| 73 | |
| 74 | // Jump to the first instruction in the code stub. |
| 75 | __ add(offset, offset, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 76 | __ Jump(offset); |
| 77 | |
| 78 | // Miss: Restore offset and fall through. |
| 79 | __ bind(&miss); |
| 80 | __ pop(offset); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 85 | Code::Flags flags, |
| 86 | Register receiver, |
| 87 | Register name, |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 88 | Register scratch, |
| 89 | Register extra) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 90 | Label miss; |
| 91 | |
| 92 | // Make sure that code is valid. The shifting code relies on the |
| 93 | // entry size being 8. |
| 94 | ASSERT(sizeof(Entry) == 8); |
| 95 | |
| 96 | // Make sure the flags does not name a specific type. |
| 97 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 98 | |
| 99 | // Make sure that there are no register conflicts. |
| 100 | ASSERT(!scratch.is(receiver)); |
| 101 | ASSERT(!scratch.is(name)); |
| 102 | |
| 103 | // Check that the receiver isn't a smi. |
| 104 | __ tst(receiver, Operand(kSmiTagMask)); |
| 105 | __ b(eq, &miss); |
| 106 | |
| 107 | // Get the map of the receiver and compute the hash. |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 108 | __ ldr(scratch, FieldMemOperand(name, String::kLengthOffset)); |
| 109 | __ ldr(ip, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 110 | __ add(scratch, scratch, Operand(ip)); |
| 111 | __ eor(scratch, scratch, Operand(flags)); |
| 112 | __ and_(scratch, |
| 113 | scratch, |
| 114 | Operand((kPrimaryTableSize - 1) << kHeapObjectTagSize)); |
| 115 | |
| 116 | // Probe the primary table. |
| 117 | ProbeTable(masm, flags, kPrimary, name, scratch); |
| 118 | |
| 119 | // Primary miss: Compute hash for secondary probe. |
| 120 | __ sub(scratch, scratch, Operand(name)); |
| 121 | __ add(scratch, scratch, Operand(flags)); |
| 122 | __ and_(scratch, |
| 123 | scratch, |
| 124 | Operand((kSecondaryTableSize - 1) << kHeapObjectTagSize)); |
| 125 | |
| 126 | // Probe the secondary table. |
| 127 | ProbeTable(masm, flags, kSecondary, name, scratch); |
| 128 | |
| 129 | // Cache miss: Fall-through and let caller handle the miss by |
| 130 | // entering the runtime system. |
| 131 | __ bind(&miss); |
| 132 | } |
| 133 | |
| 134 | |
| 135 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 136 | int index, |
| 137 | Register prototype) { |
| 138 | // Load the global or builtins object from the current context. |
| 139 | __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); |
| 140 | // Load the global context from the global or builtins object. |
| 141 | __ ldr(prototype, |
| 142 | FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset)); |
| 143 | // Load the function from the global context. |
| 144 | __ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index))); |
| 145 | // Load the initial map. The global functions all have initial maps. |
| 146 | __ ldr(prototype, |
| 147 | FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
| 148 | // Load the prototype from the initial map. |
| 149 | __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); |
| 150 | } |
| 151 | |
| 152 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 153 | // Load a fast property out of a holder object (src). In-object properties |
| 154 | // are loaded directly otherwise the property is loaded from the properties |
| 155 | // fixed array. |
| 156 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
| 157 | Register dst, Register src, |
| 158 | JSObject* holder, int index) { |
| 159 | // Adjust for the number of properties stored in the holder. |
| 160 | index -= holder->map()->inobject_properties(); |
| 161 | if (index < 0) { |
| 162 | // Get the property straight out of the holder. |
| 163 | int offset = holder->map()->instance_size() + (index * kPointerSize); |
| 164 | __ ldr(dst, FieldMemOperand(src, offset)); |
| 165 | } else { |
| 166 | // Calculate the offset into the properties array. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 167 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 168 | __ ldr(dst, FieldMemOperand(src, JSObject::kPropertiesOffset)); |
| 169 | __ ldr(dst, FieldMemOperand(dst, offset)); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 174 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 175 | Register receiver, |
| 176 | Register scratch, |
| 177 | Label* miss_label) { |
| 178 | // Check that the receiver isn't a smi. |
| 179 | __ tst(receiver, Operand(kSmiTagMask)); |
| 180 | __ b(eq, miss_label); |
| 181 | |
| 182 | // Check that the object is a JS array. |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 183 | __ CompareObjectType(receiver, scratch, scratch, JS_ARRAY_TYPE); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 184 | __ b(ne, miss_label); |
| 185 | |
| 186 | // Load length directly from the JS array. |
| 187 | __ ldr(r0, FieldMemOperand(receiver, JSArray::kLengthOffset)); |
| 188 | __ Ret(); |
| 189 | } |
| 190 | |
| 191 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 192 | // Generate code to check if an object is a string. If the object is |
| 193 | // a string, the map's instance type is left in the scratch1 register. |
| 194 | static void GenerateStringCheck(MacroAssembler* masm, |
| 195 | Register receiver, |
| 196 | Register scratch1, |
| 197 | Register scratch2, |
| 198 | Label* smi, |
| 199 | Label* non_string_object) { |
| 200 | // Check that the receiver isn't a smi. |
| 201 | __ tst(receiver, Operand(kSmiTagMask)); |
| 202 | __ b(eq, smi); |
| 203 | |
| 204 | // Check that the object is a string. |
| 205 | __ ldr(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 206 | __ ldrb(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset)); |
| 207 | __ and_(scratch2, scratch1, Operand(kIsNotStringMask)); |
| 208 | // The cast is to resolve the overload for the argument of 0x0. |
| 209 | __ cmp(scratch2, Operand(static_cast<int32_t>(kStringTag))); |
| 210 | __ b(ne, non_string_object); |
| 211 | } |
| 212 | |
| 213 | |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 214 | // Generate code to load the length from a string object and return the length. |
| 215 | // If the receiver object is not a string or a wrapped string object the |
| 216 | // execution continues at the miss label. The register containing the |
| 217 | // receiver is potentially clobbered. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 218 | void StubCompiler::GenerateLoadStringLength2(MacroAssembler* masm, |
| 219 | Register receiver, |
| 220 | Register scratch1, |
| 221 | Register scratch2, |
| 222 | Label* miss) { |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 223 | Label check_string, check_wrapper; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 224 | |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 225 | __ bind(&check_string); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 226 | // Check if the object is a string leaving the instance type in the |
| 227 | // scratch1 register. |
| 228 | GenerateStringCheck(masm, receiver, scratch1, scratch2, |
| 229 | miss, &check_wrapper); |
| 230 | |
| 231 | // Load length directly from the string. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 232 | __ and_(scratch1, scratch1, Operand(kStringSizeMask)); |
| 233 | __ add(scratch1, scratch1, Operand(String::kHashShift)); |
| 234 | __ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset)); |
| 235 | __ mov(r0, Operand(r0, LSR, scratch1)); |
| 236 | __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
| 237 | __ Ret(); |
| 238 | |
| 239 | // Check if the object is a JSValue wrapper. |
| 240 | __ bind(&check_wrapper); |
| 241 | __ cmp(scratch1, Operand(JS_VALUE_TYPE)); |
| 242 | __ b(ne, miss); |
| 243 | |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 244 | // Unwrap the value in place and check if the wrapped value is a string. |
| 245 | __ ldr(receiver, FieldMemOperand(receiver, JSValue::kValueOffset)); |
| 246 | __ b(&check_string); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 250 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 251 | Register receiver, |
| 252 | Register scratch1, |
| 253 | Register scratch2, |
| 254 | Label* miss_label) { |
| 255 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
| 256 | __ mov(r0, scratch1); |
| 257 | __ Ret(); |
| 258 | } |
| 259 | |
| 260 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 261 | // Generate StoreField code, value is passed in r0 register. |
| 262 | // After executing generated code, the receiver_reg and name_reg |
| 263 | // may be clobbered. |
| 264 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
| 265 | Builtins::Name storage_extend, |
| 266 | JSObject* object, |
| 267 | int index, |
| 268 | Map* transition, |
| 269 | Register receiver_reg, |
| 270 | Register name_reg, |
| 271 | Register scratch, |
| 272 | Label* miss_label) { |
| 273 | // r0 : value |
| 274 | Label exit; |
| 275 | |
| 276 | // Check that the receiver isn't a smi. |
| 277 | __ tst(receiver_reg, Operand(kSmiTagMask)); |
| 278 | __ b(eq, miss_label); |
| 279 | |
| 280 | // Check that the map of the receiver hasn't changed. |
| 281 | __ ldr(scratch, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); |
| 282 | __ cmp(scratch, Operand(Handle<Map>(object->map()))); |
| 283 | __ b(ne, miss_label); |
| 284 | |
| 285 | // Perform global security token check if needed. |
| 286 | if (object->IsJSGlobalProxy()) { |
| 287 | __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label); |
| 288 | } |
| 289 | |
| 290 | // Stub never generated for non-global objects that require access |
| 291 | // checks. |
| 292 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 293 | |
| 294 | // Perform map transition for the receiver if necessary. |
| 295 | if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) { |
| 296 | // The properties must be extended before we can store the value. |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 297 | // We jump to a runtime call that extends the properties array. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 298 | __ mov(r2, Operand(Handle<Map>(transition))); |
| 299 | // Please note, if we implement keyed store for arm we need |
| 300 | // to call the Builtins::KeyedStoreIC_ExtendStorage. |
| 301 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_ExtendStorage)); |
| 302 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 303 | return; |
| 304 | } |
| 305 | |
| 306 | if (transition != NULL) { |
| 307 | // Update the map of the object; no write barrier updating is |
| 308 | // needed because the map is never in new space. |
| 309 | __ mov(ip, Operand(Handle<Map>(transition))); |
| 310 | __ str(ip, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); |
| 311 | } |
| 312 | |
| 313 | // Adjust for the number of properties stored in the object. Even in the |
| 314 | // face of a transition we can use the old map here because the size of the |
| 315 | // object and the number of in-object properties is not going to change. |
| 316 | index -= object->map()->inobject_properties(); |
| 317 | |
| 318 | if (index < 0) { |
| 319 | // Set the property straight into the object. |
| 320 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 321 | __ str(r0, FieldMemOperand(receiver_reg, offset)); |
| 322 | |
| 323 | // Skip updating write barrier if storing a smi. |
| 324 | __ tst(r0, Operand(kSmiTagMask)); |
| 325 | __ b(eq, &exit); |
| 326 | |
| 327 | // Update the write barrier for the array address. |
| 328 | // Pass the value being stored in the now unused name_reg. |
| 329 | __ mov(name_reg, Operand(offset)); |
| 330 | __ RecordWrite(receiver_reg, name_reg, scratch); |
| 331 | } else { |
| 332 | // Write to the properties array. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 333 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 334 | // Get the properties array |
| 335 | __ ldr(scratch, FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 336 | __ str(r0, FieldMemOperand(scratch, offset)); |
| 337 | |
| 338 | // Skip updating write barrier if storing a smi. |
| 339 | __ tst(r0, Operand(kSmiTagMask)); |
| 340 | __ b(eq, &exit); |
| 341 | |
| 342 | // Update the write barrier for the array address. |
| 343 | // Ok to clobber receiver_reg and name_reg, since we return. |
| 344 | __ mov(name_reg, Operand(offset)); |
| 345 | __ RecordWrite(scratch, name_reg, receiver_reg); |
| 346 | } |
| 347 | |
| 348 | // Return the value (register r0). |
| 349 | __ bind(&exit); |
| 350 | __ Ret(); |
| 351 | } |
| 352 | |
| 353 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 354 | void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { |
| 355 | ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC); |
| 356 | Code* code = NULL; |
| 357 | if (kind == Code::LOAD_IC) { |
| 358 | code = Builtins::builtin(Builtins::LoadIC_Miss); |
| 359 | } else { |
| 360 | code = Builtins::builtin(Builtins::KeyedLoadIC_Miss); |
| 361 | } |
| 362 | |
| 363 | Handle<Code> ic(code); |
| 364 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 365 | } |
| 366 | |
| 367 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 368 | #undef __ |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 369 | #define __ ACCESS_MASM(masm()) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 370 | |
| 371 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 372 | Register StubCompiler::CheckPrototypes(JSObject* object, |
| 373 | Register object_reg, |
| 374 | JSObject* holder, |
| 375 | Register holder_reg, |
| 376 | Register scratch, |
| 377 | String* name, |
| 378 | Label* miss) { |
| 379 | // Check that the maps haven't changed. |
| 380 | Register result = |
| 381 | masm()->CheckMaps(object, object_reg, holder, holder_reg, scratch, miss); |
| 382 | |
| 383 | // If we've skipped any global objects, it's not enough to verify |
| 384 | // that their maps haven't changed. |
| 385 | while (object != holder) { |
| 386 | if (object->IsGlobalObject()) { |
| 387 | GlobalObject* global = GlobalObject::cast(object); |
| 388 | Object* probe = global->EnsurePropertyCell(name); |
| 389 | if (probe->IsFailure()) { |
| 390 | set_failure(Failure::cast(probe)); |
| 391 | return result; |
| 392 | } |
| 393 | JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe); |
| 394 | ASSERT(cell->value()->IsTheHole()); |
| 395 | __ mov(scratch, Operand(Handle<Object>(cell))); |
| 396 | __ ldr(scratch, |
| 397 | FieldMemOperand(scratch, JSGlobalPropertyCell::kValueOffset)); |
| 398 | __ cmp(scratch, Operand(Factory::the_hole_value())); |
| 399 | __ b(ne, miss); |
| 400 | } |
| 401 | object = JSObject::cast(object->GetPrototype()); |
| 402 | } |
| 403 | |
| 404 | // Return the register containin the holder. |
| 405 | return result; |
| 406 | } |
| 407 | |
| 408 | |
| 409 | void StubCompiler::GenerateLoadField(JSObject* object, |
| 410 | JSObject* holder, |
| 411 | Register receiver, |
| 412 | Register scratch1, |
| 413 | Register scratch2, |
| 414 | int index, |
| 415 | String* name, |
| 416 | Label* miss) { |
| 417 | // Check that the receiver isn't a smi. |
| 418 | __ tst(receiver, Operand(kSmiTagMask)); |
| 419 | __ b(eq, miss); |
| 420 | |
| 421 | // Check that the maps haven't changed. |
| 422 | Register reg = |
| 423 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 424 | GenerateFastPropertyLoad(masm(), r0, reg, holder, index); |
| 425 | __ Ret(); |
| 426 | } |
| 427 | |
| 428 | |
| 429 | void StubCompiler::GenerateLoadConstant(JSObject* object, |
| 430 | JSObject* holder, |
| 431 | Register receiver, |
| 432 | Register scratch1, |
| 433 | Register scratch2, |
| 434 | Object* value, |
| 435 | String* name, |
| 436 | Label* miss) { |
| 437 | // Check that the receiver isn't a smi. |
| 438 | __ tst(receiver, Operand(kSmiTagMask)); |
| 439 | __ b(eq, miss); |
| 440 | |
| 441 | // Check that the maps haven't changed. |
| 442 | Register reg = |
| 443 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 444 | |
| 445 | // Return the constant value. |
| 446 | __ mov(r0, Operand(Handle<Object>(value))); |
| 447 | __ Ret(); |
| 448 | } |
| 449 | |
| 450 | |
| 451 | void StubCompiler::GenerateLoadCallback(JSObject* object, |
| 452 | JSObject* holder, |
| 453 | Register receiver, |
| 454 | Register name_reg, |
| 455 | Register scratch1, |
| 456 | Register scratch2, |
| 457 | AccessorInfo* callback, |
| 458 | String* name, |
| 459 | Label* miss) { |
| 460 | // Check that the receiver isn't a smi. |
| 461 | __ tst(receiver, Operand(kSmiTagMask)); |
| 462 | __ b(eq, miss); |
| 463 | |
| 464 | // Check that the maps haven't changed. |
| 465 | Register reg = |
| 466 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 467 | |
| 468 | // Push the arguments on the JS stack of the caller. |
| 469 | __ push(receiver); // receiver |
| 470 | __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback data |
| 471 | __ push(ip); |
| 472 | __ push(name_reg); // name |
| 473 | __ push(reg); // holder |
| 474 | |
| 475 | // Do tail-call to the runtime system. |
| 476 | ExternalReference load_callback_property = |
| 477 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
| 478 | __ TailCallRuntime(load_callback_property, 4); |
| 479 | } |
| 480 | |
| 481 | |
| 482 | void StubCompiler::GenerateLoadInterceptor(JSObject* object, |
| 483 | JSObject* holder, |
| 484 | Smi* lookup_hint, |
| 485 | Register receiver, |
| 486 | Register name_reg, |
| 487 | Register scratch1, |
| 488 | Register scratch2, |
| 489 | String* name, |
| 490 | Label* miss) { |
| 491 | // Check that the receiver isn't a smi. |
| 492 | __ tst(receiver, Operand(kSmiTagMask)); |
| 493 | __ b(eq, miss); |
| 494 | |
| 495 | // Check that the maps haven't changed. |
| 496 | Register reg = |
| 497 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 498 | |
| 499 | // Push the arguments on the JS stack of the caller. |
| 500 | __ push(receiver); // receiver |
| 501 | __ push(reg); // holder |
| 502 | __ push(name_reg); // name |
| 503 | __ mov(scratch1, Operand(lookup_hint)); |
| 504 | __ push(scratch1); |
| 505 | |
| 506 | // Do tail-call to the runtime system. |
| 507 | ExternalReference load_ic_property = |
| 508 | ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
| 509 | __ TailCallRuntime(load_ic_property, 4); |
| 510 | } |
| 511 | |
| 512 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 513 | Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 514 | // ----------- S t a t e ------------- |
| 515 | // -- r1: function |
| 516 | // -- lr: return address |
| 517 | // ----------------------------------- |
| 518 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 519 | // Enter an internal frame. |
| 520 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 521 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 522 | // Preserve the function. |
| 523 | __ push(r1); |
| 524 | |
| 525 | // Push the function on the stack as the argument to the runtime function. |
| 526 | __ push(r1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 527 | __ CallRuntime(Runtime::kLazyCompile, 1); |
| 528 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 529 | // Calculate the entry point. |
| 530 | __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 531 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 532 | // Restore saved function. |
| 533 | __ pop(r1); |
| 534 | |
| 535 | // Tear down temporary frame. |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 536 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 537 | |
| 538 | // Do a tail-call of the compiled function. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 539 | __ Jump(r2); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 540 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 541 | return GetCodeWithFlags(flags, "LazyCompileStub"); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | |
| 545 | Object* CallStubCompiler::CompileCallField(Object* object, |
| 546 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 547 | int index, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 548 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 549 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 550 | // -- lr: return address |
| 551 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 552 | Label miss; |
| 553 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 554 | const int argc = arguments().immediate(); |
| 555 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 556 | // Get the receiver of the function from the stack into r0. |
| 557 | __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 558 | // Check that the receiver isn't a smi. |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 559 | __ tst(r0, Operand(kSmiTagMask)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 560 | __ b(eq, &miss); |
| 561 | |
| 562 | // Do the right check and compute the holder register. |
| 563 | Register reg = |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 564 | CheckPrototypes(JSObject::cast(object), r0, holder, r3, r2, name, &miss); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 565 | GenerateFastPropertyLoad(masm(), r1, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 566 | |
| 567 | // Check that the function really is a function. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 568 | __ tst(r1, Operand(kSmiTagMask)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 569 | __ b(eq, &miss); |
| 570 | // Get the map. |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 571 | __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 572 | __ b(ne, &miss); |
| 573 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 574 | // Patch the receiver on the stack with the global proxy if |
| 575 | // necessary. |
| 576 | if (object->IsGlobalObject()) { |
| 577 | __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); |
| 578 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 579 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 580 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 581 | // Invoke the function. |
| 582 | __ InvokeFunction(r1, arguments(), JUMP_FUNCTION); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 583 | |
| 584 | // Handle call cache miss. |
| 585 | __ bind(&miss); |
| 586 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 587 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 588 | |
| 589 | // Return the generated code. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 590 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | |
| 594 | Object* CallStubCompiler::CompileCallConstant(Object* object, |
| 595 | JSObject* holder, |
| 596 | JSFunction* function, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 597 | String* name, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 598 | CheckType check) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 599 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 600 | // -- lr: return address |
| 601 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 602 | Label miss; |
| 603 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 604 | // Get the receiver from the stack |
| 605 | const int argc = arguments().immediate(); |
| 606 | __ ldr(r1, MemOperand(sp, argc * kPointerSize)); |
| 607 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 608 | // Check that the receiver isn't a smi. |
| 609 | if (check != NUMBER_CHECK) { |
| 610 | __ tst(r1, Operand(kSmiTagMask)); |
| 611 | __ b(eq, &miss); |
| 612 | } |
| 613 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 614 | // Make sure that it's okay not to patch the on stack receiver |
| 615 | // unless we're doing a receiver map check. |
| 616 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
| 617 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 618 | switch (check) { |
| 619 | case RECEIVER_MAP_CHECK: |
| 620 | // Check that the maps haven't changed. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 621 | CheckPrototypes(JSObject::cast(object), r1, holder, r3, r2, name, &miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 622 | |
| 623 | // Patch the receiver on the stack with the global proxy if |
| 624 | // necessary. |
| 625 | if (object->IsGlobalObject()) { |
| 626 | __ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); |
| 627 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 628 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 629 | break; |
| 630 | |
| 631 | case STRING_CHECK: |
| 632 | // Check that the object is a two-byte string or a symbol. |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 633 | __ CompareObjectType(r1, r2, r2, FIRST_NONSTRING_TYPE); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 634 | __ b(hs, &miss); |
| 635 | // Check that the maps starting from the prototype haven't changed. |
| 636 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 637 | Context::STRING_FUNCTION_INDEX, |
| 638 | r2); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 639 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r2, holder, r3, |
| 640 | r1, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 641 | break; |
| 642 | |
| 643 | case NUMBER_CHECK: { |
| 644 | Label fast; |
| 645 | // Check that the object is a smi or a heap number. |
| 646 | __ tst(r1, Operand(kSmiTagMask)); |
| 647 | __ b(eq, &fast); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 648 | __ CompareObjectType(r1, r2, r2, HEAP_NUMBER_TYPE); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 649 | __ b(ne, &miss); |
| 650 | __ bind(&fast); |
| 651 | // Check that the maps starting from the prototype haven't changed. |
| 652 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 653 | Context::NUMBER_FUNCTION_INDEX, |
| 654 | r2); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 655 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r2, holder, r3, |
| 656 | r1, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 657 | break; |
| 658 | } |
| 659 | |
| 660 | case BOOLEAN_CHECK: { |
| 661 | Label fast; |
| 662 | // Check that the object is a boolean. |
| 663 | __ cmp(r1, Operand(Factory::true_value())); |
| 664 | __ b(eq, &fast); |
| 665 | __ cmp(r1, Operand(Factory::false_value())); |
| 666 | __ b(ne, &miss); |
| 667 | __ bind(&fast); |
| 668 | // Check that the maps starting from the prototype haven't changed. |
| 669 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 670 | Context::BOOLEAN_FUNCTION_INDEX, |
| 671 | r2); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 672 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r2, holder, r3, |
| 673 | r1, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 674 | break; |
| 675 | } |
| 676 | |
| 677 | case JSARRAY_HAS_FAST_ELEMENTS_CHECK: |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 678 | CheckPrototypes(JSObject::cast(object), r1, holder, r3, r2, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 679 | // Make sure object->elements()->map() != Heap::hash_table_map() |
| 680 | // Get the elements array of the object. |
| 681 | __ ldr(r3, FieldMemOperand(r1, JSObject::kElementsOffset)); |
| 682 | // Check that the object is in fast mode (not dictionary). |
| 683 | __ ldr(r2, FieldMemOperand(r3, HeapObject::kMapOffset)); |
| 684 | __ cmp(r2, Operand(Factory::hash_table_map())); |
| 685 | __ b(eq, &miss); |
| 686 | break; |
| 687 | |
| 688 | default: |
| 689 | UNREACHABLE(); |
| 690 | } |
| 691 | |
| 692 | // Get the function and setup the context. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 693 | __ mov(r1, Operand(Handle<JSFunction>(function))); |
| 694 | __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 695 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 696 | // Jump to the cached code (tail call). |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 697 | ASSERT(function->is_compiled()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 698 | Handle<Code> code(function->code()); |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 699 | ParameterCount expected(function->shared()->formal_parameter_count()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 700 | __ InvokeCode(code, expected, arguments(), |
| 701 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 702 | |
| 703 | // Handle call cache miss. |
| 704 | __ bind(&miss); |
| 705 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 706 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 707 | |
| 708 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 709 | String* function_name = NULL; |
| 710 | if (function->shared()->name()->IsString()) { |
| 711 | function_name = String::cast(function->shared()->name()); |
| 712 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 713 | return GetCode(CONSTANT_FUNCTION, function_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 714 | } |
| 715 | |
| 716 | |
| 717 | Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
| 718 | JSObject* holder, |
| 719 | String* name) { |
| 720 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 721 | // -- lr: return address |
| 722 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 723 | Label miss; |
| 724 | |
| 725 | // TODO(1224669): Implement. |
| 726 | |
| 727 | // Handle call cache miss. |
| 728 | __ bind(&miss); |
| 729 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 730 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 731 | |
| 732 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 733 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 734 | } |
| 735 | |
| 736 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 737 | Object* CallStubCompiler::CompileCallGlobal(JSObject* object, |
| 738 | GlobalObject* holder, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 739 | JSGlobalPropertyCell* cell, |
| 740 | JSFunction* function, |
| 741 | String* name) { |
| 742 | // ----------- S t a t e ------------- |
| 743 | // -- lr: return address |
| 744 | // ----------------------------------- |
| 745 | Label miss; |
| 746 | |
| 747 | __ IncrementCounter(&Counters::call_global_inline, 1, r1, r3); |
| 748 | |
| 749 | // Get the number of arguments. |
| 750 | const int argc = arguments().immediate(); |
| 751 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 752 | // Get the receiver from the stack. |
| 753 | __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
| 754 | |
| 755 | // If the object is the holder then we know that it's a global |
| 756 | // object which can only happen for contextual calls. In this case, |
| 757 | // the receiver cannot be a smi. |
| 758 | if (object != holder) { |
| 759 | __ tst(r0, Operand(kSmiTagMask)); |
| 760 | __ b(eq, &miss); |
| 761 | } |
| 762 | |
| 763 | // Check that the maps haven't changed. |
| 764 | CheckPrototypes(object, r0, holder, r3, r2, name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 765 | |
| 766 | // Get the value from the cell. |
| 767 | __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 768 | __ ldr(r1, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); |
| 769 | |
| 770 | // Check that the cell contains the same function. |
| 771 | __ cmp(r1, Operand(Handle<JSFunction>(function))); |
| 772 | __ b(ne, &miss); |
| 773 | |
| 774 | // Patch the receiver on the stack with the global proxy if |
| 775 | // necessary. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 776 | if (object->IsGlobalObject()) { |
| 777 | __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); |
| 778 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 779 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 780 | |
| 781 | // Setup the context (function already in r1). |
| 782 | __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
| 783 | |
| 784 | // Jump to the cached code (tail call). |
| 785 | ASSERT(function->is_compiled()); |
| 786 | Handle<Code> code(function->code()); |
| 787 | ParameterCount expected(function->shared()->formal_parameter_count()); |
| 788 | __ InvokeCode(code, expected, arguments(), |
| 789 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
| 790 | |
| 791 | // Handle call cache miss. |
| 792 | __ bind(&miss); |
| 793 | __ DecrementCounter(&Counters::call_global_inline, 1, r1, r3); |
| 794 | __ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3); |
| 795 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
| 796 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 797 | |
| 798 | // Return the generated code. |
| 799 | return GetCode(NORMAL, name); |
| 800 | } |
| 801 | |
| 802 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 803 | Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
| 804 | int index, |
| 805 | Map* transition, |
| 806 | String* name) { |
| 807 | // ----------- S t a t e ------------- |
| 808 | // -- r0 : value |
| 809 | // -- r2 : name |
| 810 | // -- lr : return address |
| 811 | // -- [sp] : receiver |
| 812 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 813 | Label miss; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 814 | |
| 815 | // Get the receiver from the stack. |
| 816 | __ ldr(r3, MemOperand(sp, 0 * kPointerSize)); |
| 817 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 818 | // name register might be clobbered. |
| 819 | GenerateStoreField(masm(), |
| 820 | Builtins::StoreIC_ExtendStorage, |
| 821 | object, |
| 822 | index, |
| 823 | transition, |
| 824 | r3, r2, r1, |
| 825 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 826 | __ bind(&miss); |
| 827 | __ mov(r2, Operand(Handle<String>(name))); // restore name |
| 828 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 829 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 830 | |
| 831 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 832 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | |
| 836 | Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, |
| 837 | AccessorInfo* callback, |
| 838 | String* name) { |
| 839 | // ----------- S t a t e ------------- |
| 840 | // -- r0 : value |
| 841 | // -- r2 : name |
| 842 | // -- lr : return address |
| 843 | // -- [sp] : receiver |
| 844 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 845 | Label miss; |
| 846 | |
| 847 | // Get the object from the stack. |
| 848 | __ ldr(r3, MemOperand(sp, 0 * kPointerSize)); |
| 849 | |
| 850 | // Check that the object isn't a smi. |
| 851 | __ tst(r3, Operand(kSmiTagMask)); |
| 852 | __ b(eq, &miss); |
| 853 | |
| 854 | // Check that the map of the object hasn't changed. |
| 855 | __ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset)); |
| 856 | __ cmp(r1, Operand(Handle<Map>(object->map()))); |
| 857 | __ b(ne, &miss); |
| 858 | |
| 859 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 860 | if (object->IsJSGlobalProxy()) { |
| 861 | __ CheckAccessGlobalProxy(r3, r1, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 862 | } |
| 863 | |
| 864 | // Stub never generated for non-global objects that require access |
| 865 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 866 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 867 | |
| 868 | __ ldr(ip, MemOperand(sp)); // receiver |
| 869 | __ push(ip); |
| 870 | __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback info |
| 871 | __ push(ip); |
| 872 | __ push(r2); // name |
| 873 | __ push(r0); // value |
| 874 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 875 | // Do tail-call to the runtime system. |
| 876 | ExternalReference store_callback_property = |
| 877 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); |
| 878 | __ TailCallRuntime(store_callback_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 879 | |
| 880 | // Handle store cache miss. |
| 881 | __ bind(&miss); |
| 882 | __ mov(r2, Operand(Handle<String>(name))); // restore name |
| 883 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 884 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 885 | |
| 886 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 887 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | |
| 891 | Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, |
| 892 | String* name) { |
| 893 | // ----------- S t a t e ------------- |
| 894 | // -- r0 : value |
| 895 | // -- r2 : name |
| 896 | // -- lr : return address |
| 897 | // -- [sp] : receiver |
| 898 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 899 | Label miss; |
| 900 | |
| 901 | // Get the object from the stack. |
| 902 | __ ldr(r3, MemOperand(sp, 0 * kPointerSize)); |
| 903 | |
| 904 | // Check that the object isn't a smi. |
| 905 | __ tst(r3, Operand(kSmiTagMask)); |
| 906 | __ b(eq, &miss); |
| 907 | |
| 908 | // Check that the map of the object hasn't changed. |
| 909 | __ ldr(r1, FieldMemOperand(r3, HeapObject::kMapOffset)); |
| 910 | __ cmp(r1, Operand(Handle<Map>(receiver->map()))); |
| 911 | __ b(ne, &miss); |
| 912 | |
| 913 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 914 | if (receiver->IsJSGlobalProxy()) { |
| 915 | __ CheckAccessGlobalProxy(r3, r1, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 916 | } |
| 917 | |
| 918 | // Stub never generated for non-global objects that require access |
| 919 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 920 | ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 921 | |
| 922 | __ ldr(ip, MemOperand(sp)); // receiver |
| 923 | __ push(ip); |
| 924 | __ push(r2); // name |
| 925 | __ push(r0); // value |
| 926 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 927 | // Do tail-call to the runtime system. |
| 928 | ExternalReference store_ic_property = |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 929 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 930 | __ TailCallRuntime(store_ic_property, 3); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 931 | |
| 932 | // Handle store cache miss. |
| 933 | __ bind(&miss); |
| 934 | __ mov(r2, Operand(Handle<String>(name))); // restore name |
| 935 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 936 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 937 | |
| 938 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 939 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 940 | } |
| 941 | |
| 942 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 943 | Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object, |
| 944 | JSGlobalPropertyCell* cell, |
| 945 | String* name) { |
| 946 | // ----------- S t a t e ------------- |
| 947 | // -- r0 : value |
| 948 | // -- r2 : name |
| 949 | // -- lr : return address |
| 950 | // -- [sp] : receiver |
| 951 | // ----------------------------------- |
| 952 | Label miss; |
| 953 | |
| 954 | __ IncrementCounter(&Counters::named_store_global_inline, 1, r1, r3); |
| 955 | |
| 956 | // Check that the map of the global has not changed. |
| 957 | __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); |
| 958 | __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); |
| 959 | __ cmp(r3, Operand(Handle<Map>(object->map()))); |
| 960 | __ b(ne, &miss); |
| 961 | |
| 962 | // Store the value in the cell. |
| 963 | __ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 964 | __ str(r0, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 965 | |
| 966 | __ Ret(); |
| 967 | |
| 968 | // Handle store cache miss. |
| 969 | __ bind(&miss); |
| 970 | __ DecrementCounter(&Counters::named_store_global_inline, 1, r1, r3); |
| 971 | __ IncrementCounter(&Counters::named_store_global_inline_miss, 1, r1, r3); |
| 972 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
| 973 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 974 | |
| 975 | // Return the generated code. |
| 976 | return GetCode(NORMAL, name); |
| 977 | } |
| 978 | |
| 979 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 980 | Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
| 981 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 982 | int index, |
| 983 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 984 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 985 | // -- r2 : name |
| 986 | // -- lr : return address |
| 987 | // -- [sp] : receiver |
| 988 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 989 | Label miss; |
| 990 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 991 | __ ldr(r0, MemOperand(sp, 0)); |
| 992 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 993 | GenerateLoadField(object, holder, r0, r3, r1, index, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 994 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 995 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 996 | |
| 997 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 998 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | |
| 1002 | Object* LoadStubCompiler::CompileLoadCallback(JSObject* object, |
| 1003 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1004 | AccessorInfo* callback, |
| 1005 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1006 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1007 | // -- r2 : name |
| 1008 | // -- lr : return address |
| 1009 | // -- [sp] : receiver |
| 1010 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1011 | Label miss; |
| 1012 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1013 | __ ldr(r0, MemOperand(sp, 0)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1014 | GenerateLoadCallback(object, holder, r0, r2, r3, r1, callback, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1015 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1016 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1017 | |
| 1018 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1019 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1020 | } |
| 1021 | |
| 1022 | |
| 1023 | Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
| 1024 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1025 | Object* value, |
| 1026 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1027 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1028 | // -- r2 : name |
| 1029 | // -- lr : return address |
| 1030 | // -- [sp] : receiver |
| 1031 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1032 | Label miss; |
| 1033 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1034 | __ ldr(r0, MemOperand(sp, 0)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1035 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1036 | GenerateLoadConstant(object, holder, r0, r3, r1, value, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1037 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1038 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1039 | |
| 1040 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1041 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1042 | } |
| 1043 | |
| 1044 | |
| 1045 | Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* object, |
| 1046 | JSObject* holder, |
| 1047 | String* name) { |
| 1048 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1049 | // -- r2 : name |
| 1050 | // -- lr : return address |
| 1051 | // -- [sp] : receiver |
| 1052 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1053 | Label miss; |
| 1054 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1055 | __ ldr(r0, MemOperand(sp, 0)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1056 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1057 | GenerateLoadInterceptor(object, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1058 | holder, |
| 1059 | holder->InterceptorPropertyLookupHint(name), |
| 1060 | r0, |
| 1061 | r2, |
| 1062 | r3, |
| 1063 | r1, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1064 | name, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1065 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1066 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1067 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1068 | |
| 1069 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1070 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1074 | Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object, |
| 1075 | GlobalObject* holder, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1076 | JSGlobalPropertyCell* cell, |
| 1077 | String* name, |
| 1078 | bool is_dont_delete) { |
| 1079 | // ----------- S t a t e ------------- |
| 1080 | // -- r2 : name |
| 1081 | // -- lr : return address |
| 1082 | // -- [sp] : receiver |
| 1083 | // ----------------------------------- |
| 1084 | Label miss; |
| 1085 | |
| 1086 | __ IncrementCounter(&Counters::named_load_global_inline, 1, r1, r3); |
| 1087 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1088 | // Get the receiver from the stack. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1089 | __ ldr(r1, MemOperand(sp, 0 * kPointerSize)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1090 | |
| 1091 | // If the object is the holder then we know that it's a global |
| 1092 | // object which can only happen for contextual calls. In this case, |
| 1093 | // the receiver cannot be a smi. |
| 1094 | if (object != holder) { |
| 1095 | __ tst(r1, Operand(kSmiTagMask)); |
| 1096 | __ b(eq, &miss); |
| 1097 | } |
| 1098 | |
| 1099 | // Check that the map of the global has not changed. |
| 1100 | CheckPrototypes(object, r1, holder, r3, r0, name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1101 | |
| 1102 | // Get the value from the cell. |
| 1103 | __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 1104 | __ ldr(r0, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); |
| 1105 | |
| 1106 | // Check for deleted property if property can actually be deleted. |
| 1107 | if (!is_dont_delete) { |
| 1108 | __ cmp(r0, Operand(Factory::the_hole_value())); |
| 1109 | __ b(eq, &miss); |
| 1110 | } |
| 1111 | |
| 1112 | __ Ret(); |
| 1113 | |
| 1114 | __ bind(&miss); |
| 1115 | __ DecrementCounter(&Counters::named_load_global_inline, 1, r1, r3); |
| 1116 | __ IncrementCounter(&Counters::named_load_global_inline_miss, 1, r1, r3); |
| 1117 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1118 | |
| 1119 | // Return the generated code. |
| 1120 | return GetCode(NORMAL, name); |
| 1121 | } |
| 1122 | |
| 1123 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1124 | Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
| 1125 | JSObject* receiver, |
| 1126 | JSObject* holder, |
| 1127 | int index) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1128 | // ----------- S t a t e ------------- |
| 1129 | // -- lr : return address |
| 1130 | // -- sp[0] : key |
| 1131 | // -- sp[4] : receiver |
| 1132 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1133 | Label miss; |
| 1134 | |
| 1135 | __ ldr(r2, MemOperand(sp, 0)); |
| 1136 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1137 | |
| 1138 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1139 | __ b(ne, &miss); |
| 1140 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1141 | GenerateLoadField(receiver, holder, r0, r3, r1, index, name, &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1142 | __ bind(&miss); |
| 1143 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1144 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1145 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
| 1148 | |
| 1149 | Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
| 1150 | JSObject* receiver, |
| 1151 | JSObject* holder, |
| 1152 | AccessorInfo* callback) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1153 | // ----------- S t a t e ------------- |
| 1154 | // -- lr : return address |
| 1155 | // -- sp[0] : key |
| 1156 | // -- sp[4] : receiver |
| 1157 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1158 | Label miss; |
| 1159 | |
| 1160 | __ ldr(r2, MemOperand(sp, 0)); |
| 1161 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1162 | |
| 1163 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1164 | __ b(ne, &miss); |
| 1165 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1166 | GenerateLoadCallback(receiver, holder, r0, r2, r3, r1, callback, name, &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1167 | __ bind(&miss); |
| 1168 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1169 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1170 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | |
| 1174 | Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
| 1175 | JSObject* receiver, |
| 1176 | JSObject* holder, |
| 1177 | Object* value) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1178 | // ----------- S t a t e ------------- |
| 1179 | // -- lr : return address |
| 1180 | // -- sp[0] : key |
| 1181 | // -- sp[4] : receiver |
| 1182 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1183 | Label miss; |
| 1184 | |
| 1185 | // Check the key is the cached one |
| 1186 | __ ldr(r2, MemOperand(sp, 0)); |
| 1187 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1188 | |
| 1189 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1190 | __ b(ne, &miss); |
| 1191 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1192 | GenerateLoadConstant(receiver, holder, r0, r3, r1, value, name, &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1193 | __ bind(&miss); |
| 1194 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1195 | |
| 1196 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1197 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | |
| 1201 | Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 1202 | JSObject* holder, |
| 1203 | String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1204 | // ----------- S t a t e ------------- |
| 1205 | // -- lr : return address |
| 1206 | // -- sp[0] : key |
| 1207 | // -- sp[4] : receiver |
| 1208 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1209 | Label miss; |
| 1210 | |
| 1211 | // Check the key is the cached one |
| 1212 | __ ldr(r2, MemOperand(sp, 0)); |
| 1213 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1214 | |
| 1215 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1216 | __ b(ne, &miss); |
| 1217 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1218 | GenerateLoadInterceptor(receiver, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1219 | holder, |
| 1220 | Smi::FromInt(JSObject::kLookupInHolder), |
| 1221 | r0, |
| 1222 | r2, |
| 1223 | r3, |
| 1224 | r1, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1225 | name, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1226 | &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1227 | __ bind(&miss); |
| 1228 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1229 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1230 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | |
| 1234 | Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1235 | // ----------- S t a t e ------------- |
| 1236 | // -- lr : return address |
| 1237 | // -- sp[0] : key |
| 1238 | // -- sp[4] : receiver |
| 1239 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1240 | Label miss; |
| 1241 | |
| 1242 | // Check the key is the cached one |
| 1243 | __ ldr(r2, MemOperand(sp, 0)); |
| 1244 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1245 | |
| 1246 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1247 | __ b(ne, &miss); |
| 1248 | |
| 1249 | GenerateLoadArrayLength(masm(), r0, r3, &miss); |
| 1250 | __ bind(&miss); |
| 1251 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1252 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1253 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1254 | } |
| 1255 | |
| 1256 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1257 | Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1258 | // ----------- S t a t e ------------- |
| 1259 | // -- lr : return address |
| 1260 | // -- sp[0] : key |
| 1261 | // -- sp[4] : receiver |
| 1262 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1263 | Label miss; |
| 1264 | __ IncrementCounter(&Counters::keyed_load_string_length, 1, r1, r3); |
| 1265 | |
| 1266 | __ ldr(r2, MemOperand(sp)); |
| 1267 | __ ldr(r0, MemOperand(sp, kPointerSize)); // receiver |
| 1268 | |
| 1269 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1270 | __ b(ne, &miss); |
| 1271 | |
| 1272 | GenerateLoadStringLength2(masm(), r0, r1, r3, &miss); |
| 1273 | __ bind(&miss); |
| 1274 | __ DecrementCounter(&Counters::keyed_load_string_length, 1, r1, r3); |
| 1275 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1276 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1277 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1278 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1282 | // TODO(1224671): implement the fast case. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1283 | Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1284 | // ----------- S t a t e ------------- |
| 1285 | // -- lr : return address |
| 1286 | // -- sp[0] : key |
| 1287 | // -- sp[4] : receiver |
| 1288 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1289 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1290 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1291 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
| 1296 | int index, |
| 1297 | Map* transition, |
| 1298 | String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1299 | // ----------- S t a t e ------------- |
| 1300 | // -- r0 : value |
| 1301 | // -- r2 : name |
| 1302 | // -- lr : return address |
| 1303 | // -- [sp] : receiver |
| 1304 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1305 | Label miss; |
| 1306 | |
| 1307 | __ IncrementCounter(&Counters::keyed_store_field, 1, r1, r3); |
| 1308 | |
| 1309 | // Check that the name has not changed. |
| 1310 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1311 | __ b(ne, &miss); |
| 1312 | |
| 1313 | // Load receiver from the stack. |
| 1314 | __ ldr(r3, MemOperand(sp)); |
| 1315 | // r1 is used as scratch register, r3 and r2 might be clobbered. |
| 1316 | GenerateStoreField(masm(), |
| 1317 | Builtins::StoreIC_ExtendStorage, |
| 1318 | object, |
| 1319 | index, |
| 1320 | transition, |
| 1321 | r3, r2, r1, |
| 1322 | &miss); |
| 1323 | __ bind(&miss); |
| 1324 | |
| 1325 | __ DecrementCounter(&Counters::keyed_store_field, 1, r1, r3); |
| 1326 | __ mov(r2, Operand(Handle<String>(name))); // restore name register. |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1327 | Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); |
| 1328 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1329 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1330 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1331 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1332 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1333 | |
| 1334 | |
| 1335 | #undef __ |
| 1336 | |
| 1337 | } } // namespace v8::internal |