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)); |
fschneider@chromium.org | 013f3e1 | 2010-04-26 13:27:52 +0000 | [diff] [blame] | 56 | __ cmp(name, ip); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 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. |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 108 | __ ldr(scratch, FieldMemOperand(name, String::kHashFieldOffset)); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 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 | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 192 | // Generate code to check if an object is a string. If the object is a |
| 193 | // heap object, its map's instance type is left in the scratch1 register. |
| 194 | // If this is not needed, scratch1 and scratch2 may be the same register. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 195 | static void GenerateStringCheck(MacroAssembler* masm, |
| 196 | Register receiver, |
| 197 | Register scratch1, |
| 198 | Register scratch2, |
| 199 | Label* smi, |
| 200 | Label* non_string_object) { |
| 201 | // Check that the receiver isn't a smi. |
| 202 | __ tst(receiver, Operand(kSmiTagMask)); |
| 203 | __ b(eq, smi); |
| 204 | |
| 205 | // Check that the object is a string. |
| 206 | __ ldr(scratch1, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 207 | __ ldrb(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset)); |
| 208 | __ and_(scratch2, scratch1, Operand(kIsNotStringMask)); |
| 209 | // The cast is to resolve the overload for the argument of 0x0. |
| 210 | __ cmp(scratch2, Operand(static_cast<int32_t>(kStringTag))); |
| 211 | __ b(ne, non_string_object); |
| 212 | } |
| 213 | |
| 214 | |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 215 | // Generate code to load the length from a string object and return the length. |
| 216 | // If the receiver object is not a string or a wrapped string object the |
| 217 | // execution continues at the miss label. The register containing the |
| 218 | // receiver is potentially clobbered. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 219 | void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
| 220 | Register receiver, |
| 221 | Register scratch1, |
| 222 | Register scratch2, |
| 223 | Label* miss) { |
| 224 | Label check_wrapper; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 225 | |
| 226 | // Check if the object is a string leaving the instance type in the |
| 227 | // scratch1 register. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 228 | GenerateStringCheck(masm, receiver, scratch1, scratch2, miss, &check_wrapper); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 229 | |
| 230 | // Load length directly from the string. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 231 | __ ldr(r0, FieldMemOperand(receiver, String::kLengthOffset)); |
kmillikin@chromium.org | f8253d7 | 2010-05-03 09:56:08 +0000 | [diff] [blame^] | 232 | __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 233 | __ Ret(); |
| 234 | |
| 235 | // Check if the object is a JSValue wrapper. |
| 236 | __ bind(&check_wrapper); |
| 237 | __ cmp(scratch1, Operand(JS_VALUE_TYPE)); |
| 238 | __ b(ne, miss); |
| 239 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 240 | // Unwrap the value and check if the wrapped value is a string. |
| 241 | __ ldr(scratch1, FieldMemOperand(receiver, JSValue::kValueOffset)); |
| 242 | GenerateStringCheck(masm, scratch1, scratch2, scratch2, miss, miss); |
| 243 | __ ldr(r0, FieldMemOperand(scratch1, String::kLengthOffset)); |
kmillikin@chromium.org | f8253d7 | 2010-05-03 09:56:08 +0000 | [diff] [blame^] | 244 | __ mov(r0, Operand(r0, LSL, kSmiTagSize)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 245 | __ Ret(); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 249 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 250 | Register receiver, |
| 251 | Register scratch1, |
| 252 | Register scratch2, |
| 253 | Label* miss_label) { |
| 254 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
| 255 | __ mov(r0, scratch1); |
| 256 | __ Ret(); |
| 257 | } |
| 258 | |
| 259 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 260 | // Generate StoreField code, value is passed in r0 register. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 261 | // When leaving generated code after success, the receiver_reg and name_reg |
| 262 | // may be clobbered. Upon branch to miss_label, the receiver and name |
| 263 | // registers have their original values. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 264 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 265 | JSObject* object, |
| 266 | int index, |
| 267 | Map* transition, |
| 268 | Register receiver_reg, |
| 269 | Register name_reg, |
| 270 | Register scratch, |
| 271 | Label* miss_label) { |
| 272 | // r0 : value |
| 273 | Label exit; |
| 274 | |
| 275 | // Check that the receiver isn't a smi. |
| 276 | __ tst(receiver_reg, Operand(kSmiTagMask)); |
| 277 | __ b(eq, miss_label); |
| 278 | |
| 279 | // Check that the map of the receiver hasn't changed. |
| 280 | __ ldr(scratch, FieldMemOperand(receiver_reg, HeapObject::kMapOffset)); |
| 281 | __ cmp(scratch, Operand(Handle<Map>(object->map()))); |
| 282 | __ b(ne, miss_label); |
| 283 | |
| 284 | // Perform global security token check if needed. |
| 285 | if (object->IsJSGlobalProxy()) { |
| 286 | __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label); |
| 287 | } |
| 288 | |
| 289 | // Stub never generated for non-global objects that require access |
| 290 | // checks. |
| 291 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 292 | |
| 293 | // Perform map transition for the receiver if necessary. |
| 294 | if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) { |
| 295 | // The properties must be extended before we can store the value. |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 296 | // We jump to a runtime call that extends the properties array. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 297 | __ push(receiver_reg); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 298 | __ mov(r2, Operand(Handle<Map>(transition))); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 299 | __ Push(r2, r0); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 300 | __ TailCallExternalReference( |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 301 | ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage)), |
| 302 | 3, 1); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 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 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 368 | static void GenerateCallFunction(MacroAssembler* masm, |
| 369 | Object* object, |
| 370 | const ParameterCount& arguments, |
| 371 | Label* miss) { |
| 372 | // ----------- S t a t e ------------- |
| 373 | // -- r0: receiver |
| 374 | // -- r1: function to call |
| 375 | // ----------------------------------- |
| 376 | |
| 377 | // Check that the function really is a function. |
| 378 | __ BranchOnSmi(r1, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 379 | __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 380 | __ b(ne, miss); |
| 381 | |
| 382 | // Patch the receiver on the stack with the global proxy if |
| 383 | // necessary. |
| 384 | if (object->IsGlobalObject()) { |
| 385 | __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); |
| 386 | __ str(r3, MemOperand(sp, arguments.immediate() * kPointerSize)); |
| 387 | } |
| 388 | |
| 389 | // Invoke the function. |
| 390 | __ InvokeFunction(r1, arguments, JUMP_FUNCTION); |
| 391 | } |
| 392 | |
| 393 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 394 | static void PushInterceptorArguments(MacroAssembler* masm, |
| 395 | Register receiver, |
| 396 | Register holder, |
| 397 | Register name, |
| 398 | JSObject* holder_obj) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 399 | __ push(name); |
| 400 | InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor(); |
| 401 | ASSERT(!Heap::InNewSpace(interceptor)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 402 | Register scratch = name; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 403 | __ mov(scratch, Operand(Handle<Object>(interceptor))); |
| 404 | __ push(scratch); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 405 | __ push(receiver); |
| 406 | __ push(holder); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 407 | __ ldr(scratch, FieldMemOperand(scratch, InterceptorInfo::kDataOffset)); |
| 408 | __ push(scratch); |
| 409 | } |
| 410 | |
| 411 | |
| 412 | static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm, |
| 413 | Register receiver, |
| 414 | Register holder, |
| 415 | Register name, |
| 416 | JSObject* holder_obj) { |
| 417 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
| 418 | |
| 419 | ExternalReference ref = |
| 420 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly)); |
| 421 | __ mov(r0, Operand(5)); |
| 422 | __ mov(r1, Operand(ref)); |
| 423 | |
| 424 | CEntryStub stub(1); |
| 425 | __ CallStub(&stub); |
| 426 | } |
| 427 | |
| 428 | |
| 429 | class LoadInterceptorCompiler BASE_EMBEDDED { |
| 430 | public: |
| 431 | explicit LoadInterceptorCompiler(Register name) : name_(name) {} |
| 432 | |
| 433 | void CompileCacheable(MacroAssembler* masm, |
| 434 | StubCompiler* stub_compiler, |
| 435 | Register receiver, |
| 436 | Register holder, |
| 437 | Register scratch1, |
| 438 | Register scratch2, |
| 439 | JSObject* holder_obj, |
| 440 | LookupResult* lookup, |
| 441 | String* name, |
| 442 | Label* miss_label) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 443 | AccessorInfo* callback = NULL; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 444 | bool optimize = false; |
| 445 | // So far the most popular follow ups for interceptor loads are FIELD |
| 446 | // and CALLBACKS, so inline only them, other cases may be added |
| 447 | // later. |
| 448 | if (lookup->type() == FIELD) { |
| 449 | optimize = true; |
| 450 | } else if (lookup->type() == CALLBACKS) { |
| 451 | Object* callback_object = lookup->GetCallbackObject(); |
| 452 | if (callback_object->IsAccessorInfo()) { |
| 453 | callback = AccessorInfo::cast(callback_object); |
| 454 | optimize = callback->getter() != NULL; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | if (!optimize) { |
| 459 | CompileRegular(masm, receiver, holder, scratch2, holder_obj, miss_label); |
| 460 | return; |
| 461 | } |
| 462 | |
| 463 | // Note: starting a frame here makes GC aware of pointers pushed below. |
| 464 | __ EnterInternalFrame(); |
| 465 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 466 | __ push(receiver); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 467 | __ Push(holder, name_); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 468 | |
| 469 | CompileCallLoadPropertyWithInterceptor(masm, |
| 470 | receiver, |
| 471 | holder, |
| 472 | name_, |
| 473 | holder_obj); |
| 474 | |
| 475 | Label interceptor_failed; |
| 476 | // Compare with no_interceptor_result_sentinel. |
| 477 | __ LoadRoot(scratch1, Heap::kNoInterceptorResultSentinelRootIndex); |
| 478 | __ cmp(r0, scratch1); |
| 479 | __ b(eq, &interceptor_failed); |
| 480 | __ LeaveInternalFrame(); |
| 481 | __ Ret(); |
| 482 | |
| 483 | __ bind(&interceptor_failed); |
| 484 | __ pop(name_); |
| 485 | __ pop(holder); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 486 | __ pop(receiver); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 487 | |
| 488 | __ LeaveInternalFrame(); |
| 489 | |
| 490 | if (lookup->type() == FIELD) { |
| 491 | holder = stub_compiler->CheckPrototypes(holder_obj, |
| 492 | holder, |
| 493 | lookup->holder(), |
| 494 | scratch1, |
| 495 | scratch2, |
| 496 | name, |
| 497 | miss_label); |
| 498 | stub_compiler->GenerateFastPropertyLoad(masm, |
| 499 | r0, |
| 500 | holder, |
| 501 | lookup->holder(), |
| 502 | lookup->GetFieldIndex()); |
| 503 | __ Ret(); |
| 504 | } else { |
| 505 | ASSERT(lookup->type() == CALLBACKS); |
| 506 | ASSERT(lookup->GetCallbackObject()->IsAccessorInfo()); |
| 507 | ASSERT(callback != NULL); |
| 508 | ASSERT(callback->getter() != NULL); |
| 509 | |
| 510 | Label cleanup; |
| 511 | __ pop(scratch2); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 512 | __ Push(receiver, scratch2); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 513 | |
| 514 | holder = stub_compiler->CheckPrototypes(holder_obj, holder, |
| 515 | lookup->holder(), scratch1, |
| 516 | scratch2, |
| 517 | name, |
| 518 | &cleanup); |
| 519 | |
| 520 | __ push(holder); |
| 521 | __ Move(holder, Handle<AccessorInfo>(callback)); |
| 522 | __ push(holder); |
| 523 | __ ldr(scratch1, FieldMemOperand(holder, AccessorInfo::kDataOffset)); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 524 | __ Push(scratch1, name_); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 525 | |
| 526 | ExternalReference ref = |
| 527 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 528 | __ TailCallExternalReference(ref, 5, 1); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 529 | |
| 530 | __ bind(&cleanup); |
| 531 | __ pop(scratch1); |
| 532 | __ pop(scratch2); |
| 533 | __ push(scratch1); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | |
| 538 | void CompileRegular(MacroAssembler* masm, |
| 539 | Register receiver, |
| 540 | Register holder, |
| 541 | Register scratch, |
| 542 | JSObject* holder_obj, |
| 543 | Label* miss_label) { |
| 544 | PushInterceptorArguments(masm, receiver, holder, name_, holder_obj); |
| 545 | |
| 546 | ExternalReference ref = ExternalReference( |
| 547 | IC_Utility(IC::kLoadPropertyWithInterceptorForLoad)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 548 | __ TailCallExternalReference(ref, 5, 1); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | private: |
| 552 | Register name_; |
| 553 | }; |
| 554 | |
| 555 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 556 | static void CompileLoadInterceptor(LoadInterceptorCompiler* compiler, |
| 557 | StubCompiler* stub_compiler, |
| 558 | MacroAssembler* masm, |
| 559 | JSObject* object, |
| 560 | JSObject* holder, |
| 561 | String* name, |
| 562 | LookupResult* lookup, |
| 563 | Register receiver, |
| 564 | Register scratch1, |
| 565 | Register scratch2, |
| 566 | Label* miss) { |
| 567 | ASSERT(holder->HasNamedInterceptor()); |
| 568 | ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 569 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 570 | // Check that the receiver isn't a smi. |
| 571 | __ BranchOnSmi(receiver, miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 572 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 573 | // Check that the maps haven't changed. |
| 574 | Register reg = |
| 575 | stub_compiler->CheckPrototypes(object, receiver, holder, |
| 576 | scratch1, scratch2, name, miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 577 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 578 | if (lookup->IsProperty() && lookup->IsCacheable()) { |
| 579 | compiler->CompileCacheable(masm, |
| 580 | stub_compiler, |
| 581 | receiver, |
| 582 | reg, |
| 583 | scratch1, |
| 584 | scratch2, |
| 585 | holder, |
| 586 | lookup, |
| 587 | name, |
| 588 | miss); |
| 589 | } else { |
| 590 | compiler->CompileRegular(masm, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 591 | receiver, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 592 | reg, |
| 593 | scratch2, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 594 | holder, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 595 | miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 596 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 597 | } |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 598 | |
| 599 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 600 | // Generate code to check that a global property cell is empty. Create |
| 601 | // the property cell at compilation time if no cell exists for the |
| 602 | // property. |
| 603 | static Object* GenerateCheckPropertyCell(MacroAssembler* masm, |
| 604 | GlobalObject* global, |
| 605 | String* name, |
| 606 | Register scratch, |
| 607 | Label* miss) { |
| 608 | Object* probe = global->EnsurePropertyCell(name); |
| 609 | if (probe->IsFailure()) return probe; |
| 610 | JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe); |
| 611 | ASSERT(cell->value()->IsTheHole()); |
| 612 | __ mov(scratch, Operand(Handle<Object>(cell))); |
| 613 | __ ldr(scratch, |
| 614 | FieldMemOperand(scratch, JSGlobalPropertyCell::kValueOffset)); |
| 615 | __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
| 616 | __ cmp(scratch, ip); |
| 617 | __ b(ne, miss); |
| 618 | return cell; |
| 619 | } |
| 620 | |
| 621 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 622 | #undef __ |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 623 | #define __ ACCESS_MASM(masm()) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 624 | |
| 625 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 626 | Register StubCompiler::CheckPrototypes(JSObject* object, |
| 627 | Register object_reg, |
| 628 | JSObject* holder, |
| 629 | Register holder_reg, |
| 630 | Register scratch, |
| 631 | String* name, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 632 | int save_at_depth, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 633 | Label* miss) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 634 | // TODO(602): support object saving. |
| 635 | ASSERT(save_at_depth == kInvalidProtoDepth); |
| 636 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 637 | // Check that the maps haven't changed. |
| 638 | Register result = |
| 639 | masm()->CheckMaps(object, object_reg, holder, holder_reg, scratch, miss); |
| 640 | |
| 641 | // If we've skipped any global objects, it's not enough to verify |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 642 | // that their maps haven't changed. We also need to check that the |
| 643 | // property cell for the property is still empty. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 644 | while (object != holder) { |
| 645 | if (object->IsGlobalObject()) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 646 | Object* cell = GenerateCheckPropertyCell(masm(), |
| 647 | GlobalObject::cast(object), |
| 648 | name, |
| 649 | scratch, |
| 650 | miss); |
| 651 | if (cell->IsFailure()) { |
| 652 | set_failure(Failure::cast(cell)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 653 | return result; |
| 654 | } |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 655 | } |
| 656 | object = JSObject::cast(object->GetPrototype()); |
| 657 | } |
| 658 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 659 | // Return the register containing the holder. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 660 | return result; |
| 661 | } |
| 662 | |
| 663 | |
| 664 | void StubCompiler::GenerateLoadField(JSObject* object, |
| 665 | JSObject* holder, |
| 666 | Register receiver, |
| 667 | Register scratch1, |
| 668 | Register scratch2, |
| 669 | int index, |
| 670 | String* name, |
| 671 | Label* miss) { |
| 672 | // Check that the receiver isn't a smi. |
| 673 | __ tst(receiver, Operand(kSmiTagMask)); |
| 674 | __ b(eq, miss); |
| 675 | |
| 676 | // Check that the maps haven't changed. |
| 677 | Register reg = |
| 678 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 679 | GenerateFastPropertyLoad(masm(), r0, reg, holder, index); |
| 680 | __ Ret(); |
| 681 | } |
| 682 | |
| 683 | |
| 684 | void StubCompiler::GenerateLoadConstant(JSObject* object, |
| 685 | JSObject* holder, |
| 686 | Register receiver, |
| 687 | Register scratch1, |
| 688 | Register scratch2, |
| 689 | Object* value, |
| 690 | String* name, |
| 691 | Label* miss) { |
| 692 | // Check that the receiver isn't a smi. |
| 693 | __ tst(receiver, Operand(kSmiTagMask)); |
| 694 | __ b(eq, miss); |
| 695 | |
| 696 | // Check that the maps haven't changed. |
| 697 | Register reg = |
| 698 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 699 | |
| 700 | // Return the constant value. |
| 701 | __ mov(r0, Operand(Handle<Object>(value))); |
| 702 | __ Ret(); |
| 703 | } |
| 704 | |
| 705 | |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 706 | bool StubCompiler::GenerateLoadCallback(JSObject* object, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 707 | JSObject* holder, |
| 708 | Register receiver, |
| 709 | Register name_reg, |
| 710 | Register scratch1, |
| 711 | Register scratch2, |
| 712 | AccessorInfo* callback, |
| 713 | String* name, |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 714 | Label* miss, |
| 715 | Failure** failure) { |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 716 | // Check that the receiver isn't a smi. |
| 717 | __ tst(receiver, Operand(kSmiTagMask)); |
| 718 | __ b(eq, miss); |
| 719 | |
| 720 | // Check that the maps haven't changed. |
| 721 | Register reg = |
| 722 | CheckPrototypes(object, receiver, holder, scratch1, scratch2, name, miss); |
| 723 | |
| 724 | // Push the arguments on the JS stack of the caller. |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 725 | __ push(receiver); // Receiver. |
| 726 | __ push(reg); // Holder. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 727 | __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback data |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 728 | __ ldr(reg, FieldMemOperand(ip, AccessorInfo::kDataOffset)); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 729 | __ Push(ip, reg, name_reg); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 730 | |
| 731 | // Do tail-call to the runtime system. |
| 732 | ExternalReference load_callback_property = |
| 733 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 734 | __ TailCallExternalReference(load_callback_property, 5, 1); |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 735 | |
| 736 | return true; |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | |
| 740 | void StubCompiler::GenerateLoadInterceptor(JSObject* object, |
| 741 | JSObject* holder, |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 742 | LookupResult* lookup, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 743 | Register receiver, |
| 744 | Register name_reg, |
| 745 | Register scratch1, |
| 746 | Register scratch2, |
| 747 | String* name, |
| 748 | Label* miss) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 749 | LoadInterceptorCompiler compiler(name_reg); |
| 750 | CompileLoadInterceptor(&compiler, |
| 751 | this, |
| 752 | masm(), |
| 753 | object, |
| 754 | holder, |
| 755 | name, |
| 756 | lookup, |
| 757 | receiver, |
| 758 | scratch1, |
| 759 | scratch2, |
| 760 | miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 764 | Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 765 | // ----------- S t a t e ------------- |
| 766 | // -- r1: function |
| 767 | // -- lr: return address |
| 768 | // ----------------------------------- |
| 769 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 770 | // Enter an internal frame. |
| 771 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 772 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 773 | // Preserve the function. |
| 774 | __ push(r1); |
| 775 | |
| 776 | // Push the function on the stack as the argument to the runtime function. |
| 777 | __ push(r1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 778 | __ CallRuntime(Runtime::kLazyCompile, 1); |
| 779 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 780 | // Calculate the entry point. |
| 781 | __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 782 | |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 783 | // Restore saved function. |
| 784 | __ pop(r1); |
| 785 | |
| 786 | // Tear down temporary frame. |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 787 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 788 | |
| 789 | // Do a tail-call of the compiled function. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 790 | __ Jump(r2); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 791 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 792 | return GetCodeWithFlags(flags, "LazyCompileStub"); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 796 | Object* CallStubCompiler::CompileCallField(JSObject* object, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 797 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 798 | int index, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 799 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 800 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 801 | // -- r2 : name |
| 802 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 803 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 804 | Label miss; |
| 805 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 806 | const int argc = arguments().immediate(); |
| 807 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 808 | // Get the receiver of the function from the stack into r0. |
| 809 | __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 810 | // Check that the receiver isn't a smi. |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 811 | __ tst(r0, Operand(kSmiTagMask)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 812 | __ b(eq, &miss); |
| 813 | |
| 814 | // Do the right check and compute the holder register. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 815 | Register reg = CheckPrototypes(object, r0, holder, r1, r3, name, &miss); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 816 | GenerateFastPropertyLoad(masm(), r1, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 817 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 818 | GenerateCallFunction(masm(), object, arguments(), &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 819 | |
| 820 | // Handle call cache miss. |
| 821 | __ bind(&miss); |
| 822 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 823 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 824 | |
| 825 | // Return the generated code. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 826 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 830 | Object* CallStubCompiler::CompileArrayPushCall(Object* object, |
| 831 | JSObject* holder, |
| 832 | JSFunction* function, |
| 833 | String* name, |
| 834 | CheckType check) { |
| 835 | // ----------- S t a t e ------------- |
| 836 | // -- r2 : name |
| 837 | // -- lr : return address |
| 838 | // ----------------------------------- |
| 839 | |
| 840 | // TODO(639): faster implementation. |
| 841 | ASSERT(check == RECEIVER_MAP_CHECK); |
| 842 | |
| 843 | Label miss; |
| 844 | |
| 845 | // Get the receiver from the stack |
| 846 | const int argc = arguments().immediate(); |
| 847 | __ ldr(r1, MemOperand(sp, argc * kPointerSize)); |
| 848 | |
| 849 | // Check that the receiver isn't a smi. |
| 850 | __ tst(r1, Operand(kSmiTagMask)); |
| 851 | __ b(eq, &miss); |
| 852 | |
| 853 | // Check that the maps haven't changed. |
| 854 | CheckPrototypes(JSObject::cast(object), r1, holder, r3, r0, name, &miss); |
| 855 | |
| 856 | if (object->IsGlobalObject()) { |
| 857 | __ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); |
| 858 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 859 | } |
| 860 | |
| 861 | __ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPush), |
| 862 | argc + 1, |
| 863 | 1); |
| 864 | |
| 865 | // Handle call cache miss. |
| 866 | __ bind(&miss); |
| 867 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
| 868 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 869 | |
| 870 | // Return the generated code. |
| 871 | String* function_name = NULL; |
| 872 | if (function->shared()->name()->IsString()) { |
| 873 | function_name = String::cast(function->shared()->name()); |
| 874 | } |
| 875 | return GetCode(CONSTANT_FUNCTION, function_name); |
| 876 | } |
| 877 | |
| 878 | |
| 879 | Object* CallStubCompiler::CompileArrayPopCall(Object* object, |
| 880 | JSObject* holder, |
| 881 | JSFunction* function, |
| 882 | String* name, |
| 883 | CheckType check) { |
| 884 | // ----------- S t a t e ------------- |
| 885 | // -- r2 : name |
| 886 | // -- lr : return address |
| 887 | // ----------------------------------- |
| 888 | |
| 889 | // TODO(642): faster implementation. |
| 890 | ASSERT(check == RECEIVER_MAP_CHECK); |
| 891 | |
| 892 | Label miss; |
| 893 | |
| 894 | // Get the receiver from the stack |
| 895 | const int argc = arguments().immediate(); |
| 896 | __ ldr(r1, MemOperand(sp, argc * kPointerSize)); |
| 897 | |
| 898 | // Check that the receiver isn't a smi. |
| 899 | __ tst(r1, Operand(kSmiTagMask)); |
| 900 | __ b(eq, &miss); |
| 901 | |
| 902 | // Check that the maps haven't changed. |
| 903 | CheckPrototypes(JSObject::cast(object), r1, holder, r3, r0, name, &miss); |
| 904 | |
| 905 | if (object->IsGlobalObject()) { |
| 906 | __ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); |
| 907 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 908 | } |
| 909 | |
| 910 | __ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPop), |
| 911 | argc + 1, |
| 912 | 1); |
| 913 | |
| 914 | // Handle call cache miss. |
| 915 | __ bind(&miss); |
| 916 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
| 917 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 918 | |
| 919 | // Return the generated code. |
| 920 | String* function_name = NULL; |
| 921 | if (function->shared()->name()->IsString()) { |
| 922 | function_name = String::cast(function->shared()->name()); |
| 923 | } |
| 924 | return GetCode(CONSTANT_FUNCTION, function_name); |
| 925 | } |
| 926 | |
| 927 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 928 | Object* CallStubCompiler::CompileCallConstant(Object* object, |
| 929 | JSObject* holder, |
| 930 | JSFunction* function, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 931 | String* name, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 932 | CheckType check) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 933 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 934 | // -- r2 : name |
| 935 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 936 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 937 | SharedFunctionInfo* function_info = function->shared(); |
| 938 | if (function_info->HasCustomCallGenerator()) { |
| 939 | CustomCallGenerator generator = |
| 940 | ToCData<CustomCallGenerator>(function_info->function_data()); |
| 941 | return generator(this, object, holder, function, name, check); |
| 942 | } |
| 943 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 944 | Label miss; |
| 945 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 946 | // Get the receiver from the stack |
| 947 | const int argc = arguments().immediate(); |
| 948 | __ ldr(r1, MemOperand(sp, argc * kPointerSize)); |
| 949 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 950 | // Check that the receiver isn't a smi. |
| 951 | if (check != NUMBER_CHECK) { |
| 952 | __ tst(r1, Operand(kSmiTagMask)); |
| 953 | __ b(eq, &miss); |
| 954 | } |
| 955 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 956 | // Make sure that it's okay not to patch the on stack receiver |
| 957 | // unless we're doing a receiver map check. |
| 958 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
| 959 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 960 | switch (check) { |
| 961 | case RECEIVER_MAP_CHECK: |
| 962 | // Check that the maps haven't changed. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 963 | CheckPrototypes(JSObject::cast(object), r1, holder, r3, r0, name, &miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 964 | |
| 965 | // Patch the receiver on the stack with the global proxy if |
| 966 | // necessary. |
| 967 | if (object->IsGlobalObject()) { |
| 968 | __ ldr(r3, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); |
| 969 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 970 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 971 | break; |
| 972 | |
| 973 | case STRING_CHECK: |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 974 | if (!function->IsBuiltin()) { |
| 975 | // Calling non-builtins with a value as receiver requires boxing. |
| 976 | __ jmp(&miss); |
| 977 | } else { |
| 978 | // Check that the object is a two-byte string or a symbol. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 979 | __ CompareObjectType(r1, r3, r3, FIRST_NONSTRING_TYPE); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 980 | __ b(hs, &miss); |
| 981 | // Check that the maps starting from the prototype haven't changed. |
| 982 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 983 | Context::STRING_FUNCTION_INDEX, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 984 | r0); |
| 985 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 986 | r1, name, &miss); |
| 987 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 988 | break; |
| 989 | |
| 990 | case NUMBER_CHECK: { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 991 | if (!function->IsBuiltin()) { |
| 992 | // Calling non-builtins with a value as receiver requires boxing. |
| 993 | __ jmp(&miss); |
| 994 | } else { |
| 995 | Label fast; |
| 996 | // Check that the object is a smi or a heap number. |
| 997 | __ tst(r1, Operand(kSmiTagMask)); |
| 998 | __ b(eq, &fast); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 999 | __ CompareObjectType(r1, r0, r0, HEAP_NUMBER_TYPE); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1000 | __ b(ne, &miss); |
| 1001 | __ bind(&fast); |
| 1002 | // Check that the maps starting from the prototype haven't changed. |
| 1003 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 1004 | Context::NUMBER_FUNCTION_INDEX, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1005 | r0); |
| 1006 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1007 | r1, name, &miss); |
| 1008 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1009 | break; |
| 1010 | } |
| 1011 | |
| 1012 | case BOOLEAN_CHECK: { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1013 | if (!function->IsBuiltin()) { |
| 1014 | // Calling non-builtins with a value as receiver requires boxing. |
| 1015 | __ jmp(&miss); |
| 1016 | } else { |
| 1017 | Label fast; |
| 1018 | // Check that the object is a boolean. |
| 1019 | __ LoadRoot(ip, Heap::kTrueValueRootIndex); |
| 1020 | __ cmp(r1, ip); |
| 1021 | __ b(eq, &fast); |
| 1022 | __ LoadRoot(ip, Heap::kFalseValueRootIndex); |
| 1023 | __ cmp(r1, ip); |
| 1024 | __ b(ne, &miss); |
| 1025 | __ bind(&fast); |
| 1026 | // Check that the maps starting from the prototype haven't changed. |
| 1027 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 1028 | Context::BOOLEAN_FUNCTION_INDEX, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1029 | r0); |
| 1030 | CheckPrototypes(JSObject::cast(object->GetPrototype()), r0, holder, r3, |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1031 | r1, name, &miss); |
| 1032 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1033 | break; |
| 1034 | } |
| 1035 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1036 | default: |
| 1037 | UNREACHABLE(); |
| 1038 | } |
| 1039 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1040 | __ InvokeFunction(function, arguments(), JUMP_FUNCTION); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1041 | |
| 1042 | // Handle call cache miss. |
| 1043 | __ bind(&miss); |
| 1044 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1045 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1046 | |
| 1047 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1048 | String* function_name = NULL; |
| 1049 | if (function->shared()->name()->IsString()) { |
| 1050 | function_name = String::cast(function->shared()->name()); |
| 1051 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1052 | return GetCode(CONSTANT_FUNCTION, function_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1053 | } |
| 1054 | |
| 1055 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1056 | Object* CallStubCompiler::CompileCallInterceptor(JSObject* object, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1057 | JSObject* holder, |
| 1058 | String* name) { |
| 1059 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1060 | // -- r2 : name |
| 1061 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1062 | // ----------------------------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1063 | ASSERT(holder->HasNamedInterceptor()); |
| 1064 | ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1065 | Label miss; |
| 1066 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1067 | const Register receiver = r0; |
| 1068 | const Register holder_reg = r1; |
| 1069 | const Register name_reg = r2; |
| 1070 | const Register scratch = r3; |
| 1071 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1072 | // Get the number of arguments. |
| 1073 | const int argc = arguments().immediate(); |
| 1074 | |
| 1075 | LookupResult lookup; |
| 1076 | LookupPostInterceptor(holder, name, &lookup); |
| 1077 | |
| 1078 | // Get the receiver from the stack into r0. |
| 1079 | __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1080 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1081 | // Check that the receiver isn't a smi. |
| 1082 | __ BranchOnSmi(receiver, &miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1083 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1084 | // Check that the maps haven't changed. |
| 1085 | Register reg = CheckPrototypes(object, receiver, holder, holder_reg, |
| 1086 | scratch, name, &miss); |
| 1087 | if (!reg.is(holder_reg)) { |
| 1088 | __ mov(holder_reg, reg); |
| 1089 | } |
| 1090 | |
| 1091 | // If we call a constant function when the interceptor returns |
| 1092 | // the no-result sentinel, generate code that optimizes this case. |
| 1093 | if (lookup.IsProperty() && |
| 1094 | lookup.IsCacheable() && |
| 1095 | lookup.type() == CONSTANT_FUNCTION && |
| 1096 | lookup.GetConstantFunction()->is_compiled() && |
| 1097 | !holder->IsJSArray()) { |
| 1098 | // Constant functions cannot sit on global object. |
| 1099 | ASSERT(!lookup.holder()->IsGlobalObject()); |
| 1100 | |
| 1101 | // Call the interceptor. |
| 1102 | __ EnterInternalFrame(); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1103 | __ Push(holder_reg, name_reg); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1104 | CompileCallLoadPropertyWithInterceptor(masm(), |
| 1105 | receiver, |
| 1106 | holder_reg, |
| 1107 | name_reg, |
| 1108 | holder); |
| 1109 | __ pop(name_reg); |
| 1110 | __ pop(holder_reg); |
| 1111 | __ LeaveInternalFrame(); |
| 1112 | // r0 no longer contains the receiver. |
| 1113 | |
| 1114 | // If interceptor returns no-result sentinal, call the constant function. |
| 1115 | __ LoadRoot(scratch, Heap::kNoInterceptorResultSentinelRootIndex); |
| 1116 | __ cmp(r0, scratch); |
| 1117 | Label invoke; |
| 1118 | __ b(ne, &invoke); |
| 1119 | // Check the prototypes between the interceptor's holder and the |
| 1120 | // constant function's holder. |
| 1121 | CheckPrototypes(holder, holder_reg, |
| 1122 | lookup.holder(), r0, |
| 1123 | scratch, |
| 1124 | name, |
| 1125 | &miss); |
| 1126 | |
| 1127 | __ InvokeFunction(lookup.GetConstantFunction(), |
| 1128 | arguments(), |
| 1129 | JUMP_FUNCTION); |
| 1130 | |
| 1131 | __ bind(&invoke); |
| 1132 | |
| 1133 | } else { |
| 1134 | // Call a runtime function to load the interceptor property. |
| 1135 | __ EnterInternalFrame(); |
| 1136 | __ push(name_reg); |
| 1137 | |
| 1138 | PushInterceptorArguments(masm(), receiver, holder_reg, name_reg, holder); |
| 1139 | |
| 1140 | __ CallExternalReference( |
| 1141 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForCall)), |
| 1142 | 5); |
| 1143 | |
| 1144 | __ pop(name_reg); |
| 1145 | __ LeaveInternalFrame(); |
| 1146 | } |
| 1147 | |
| 1148 | // Move returned value, the function to call, to r1. |
| 1149 | __ mov(r1, r0); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1150 | // Restore receiver. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1151 | __ ldr(receiver, MemOperand(sp, argc * kPointerSize)); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1152 | |
| 1153 | GenerateCallFunction(masm(), object, arguments(), &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1154 | |
| 1155 | // Handle call cache miss. |
| 1156 | __ bind(&miss); |
| 1157 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1158 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1159 | |
| 1160 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1161 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1165 | Object* CallStubCompiler::CompileCallGlobal(JSObject* object, |
| 1166 | GlobalObject* holder, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1167 | JSGlobalPropertyCell* cell, |
| 1168 | JSFunction* function, |
| 1169 | String* name) { |
| 1170 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1171 | // -- r2 : name |
| 1172 | // -- lr : return address |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1173 | // ----------------------------------- |
| 1174 | Label miss; |
| 1175 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1176 | // Get the number of arguments. |
| 1177 | const int argc = arguments().immediate(); |
| 1178 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1179 | // Get the receiver from the stack. |
| 1180 | __ ldr(r0, MemOperand(sp, argc * kPointerSize)); |
| 1181 | |
| 1182 | // If the object is the holder then we know that it's a global |
| 1183 | // object which can only happen for contextual calls. In this case, |
| 1184 | // the receiver cannot be a smi. |
| 1185 | if (object != holder) { |
| 1186 | __ tst(r0, Operand(kSmiTagMask)); |
| 1187 | __ b(eq, &miss); |
| 1188 | } |
| 1189 | |
| 1190 | // Check that the maps haven't changed. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1191 | CheckPrototypes(object, r0, holder, r3, r1, name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1192 | |
| 1193 | // Get the value from the cell. |
| 1194 | __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 1195 | __ ldr(r1, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); |
| 1196 | |
| 1197 | // Check that the cell contains the same function. |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 1198 | if (Heap::InNewSpace(function)) { |
| 1199 | // We can't embed a pointer to a function in new space so we have |
| 1200 | // to verify that the shared function info is unchanged. This has |
| 1201 | // the nice side effect that multiple closures based on the same |
| 1202 | // function can all use this call IC. Before we load through the |
| 1203 | // function, we have to verify that it still is a function. |
| 1204 | __ tst(r1, Operand(kSmiTagMask)); |
| 1205 | __ b(eq, &miss); |
| 1206 | __ CompareObjectType(r1, r3, r3, JS_FUNCTION_TYPE); |
| 1207 | __ b(ne, &miss); |
| 1208 | |
| 1209 | // Check the shared function info. Make sure it hasn't changed. |
| 1210 | __ mov(r3, Operand(Handle<SharedFunctionInfo>(function->shared()))); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1211 | __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
| 1212 | __ cmp(r4, r3); |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 1213 | __ b(ne, &miss); |
| 1214 | } else { |
| 1215 | __ cmp(r1, Operand(Handle<JSFunction>(function))); |
| 1216 | __ b(ne, &miss); |
| 1217 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1218 | |
| 1219 | // Patch the receiver on the stack with the global proxy if |
| 1220 | // necessary. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1221 | if (object->IsGlobalObject()) { |
| 1222 | __ ldr(r3, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset)); |
| 1223 | __ str(r3, MemOperand(sp, argc * kPointerSize)); |
| 1224 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1225 | |
| 1226 | // Setup the context (function already in r1). |
| 1227 | __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
| 1228 | |
| 1229 | // Jump to the cached code (tail call). |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1230 | __ IncrementCounter(&Counters::call_global_inline, 1, r3, r4); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1231 | ASSERT(function->is_compiled()); |
| 1232 | Handle<Code> code(function->code()); |
| 1233 | ParameterCount expected(function->shared()->formal_parameter_count()); |
| 1234 | __ InvokeCode(code, expected, arguments(), |
| 1235 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
| 1236 | |
| 1237 | // Handle call cache miss. |
| 1238 | __ bind(&miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1239 | __ IncrementCounter(&Counters::call_global_inline_miss, 1, r1, r3); |
| 1240 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
| 1241 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 1242 | |
| 1243 | // Return the generated code. |
| 1244 | return GetCode(NORMAL, name); |
| 1245 | } |
| 1246 | |
| 1247 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1248 | Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
| 1249 | int index, |
| 1250 | Map* transition, |
| 1251 | String* name) { |
| 1252 | // ----------- S t a t e ------------- |
| 1253 | // -- r0 : value |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1254 | // -- r1 : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1255 | // -- r2 : name |
| 1256 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1257 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1258 | Label miss; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1259 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1260 | GenerateStoreField(masm(), |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1261 | object, |
| 1262 | index, |
| 1263 | transition, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1264 | r1, r2, r3, |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1265 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1266 | __ bind(&miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1267 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1268 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1269 | |
| 1270 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1271 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | |
| 1275 | Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, |
| 1276 | AccessorInfo* callback, |
| 1277 | String* name) { |
| 1278 | // ----------- S t a t e ------------- |
| 1279 | // -- r0 : value |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1280 | // -- r1 : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1281 | // -- r2 : name |
| 1282 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1283 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1284 | Label miss; |
| 1285 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1286 | // Check that the object isn't a smi. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1287 | __ tst(r1, Operand(kSmiTagMask)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1288 | __ b(eq, &miss); |
| 1289 | |
| 1290 | // Check that the map of the object hasn't changed. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1291 | __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); |
| 1292 | __ cmp(r3, Operand(Handle<Map>(object->map()))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1293 | __ b(ne, &miss); |
| 1294 | |
| 1295 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 1296 | if (object->IsJSGlobalProxy()) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1297 | __ CheckAccessGlobalProxy(r1, r3, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1298 | } |
| 1299 | |
| 1300 | // Stub never generated for non-global objects that require access |
| 1301 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 1302 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1303 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1304 | __ push(r1); // receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1305 | __ mov(ip, Operand(Handle<AccessorInfo>(callback))); // callback info |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1306 | __ Push(ip, r2, r0); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1307 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1308 | // Do tail-call to the runtime system. |
| 1309 | ExternalReference store_callback_property = |
| 1310 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1311 | __ TailCallExternalReference(store_callback_property, 4, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1312 | |
| 1313 | // Handle store cache miss. |
| 1314 | __ bind(&miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1315 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1316 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1317 | |
| 1318 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1319 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1320 | } |
| 1321 | |
| 1322 | |
| 1323 | Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, |
| 1324 | String* name) { |
| 1325 | // ----------- S t a t e ------------- |
| 1326 | // -- r0 : value |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1327 | // -- r1 : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1328 | // -- r2 : name |
| 1329 | // -- lr : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1330 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1331 | Label miss; |
| 1332 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1333 | // Check that the object isn't a smi. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1334 | __ tst(r1, Operand(kSmiTagMask)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1335 | __ b(eq, &miss); |
| 1336 | |
| 1337 | // Check that the map of the object hasn't changed. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1338 | __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); |
| 1339 | __ cmp(r3, Operand(Handle<Map>(receiver->map()))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1340 | __ b(ne, &miss); |
| 1341 | |
| 1342 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 1343 | if (receiver->IsJSGlobalProxy()) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1344 | __ CheckAccessGlobalProxy(r1, r3, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1345 | } |
| 1346 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1347 | // Stub is never generated for non-global objects that require access |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1348 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 1349 | ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1350 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1351 | __ Push(r1, r2, r0); // Receiver, name, value. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1352 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1353 | // Do tail-call to the runtime system. |
| 1354 | ExternalReference store_ic_property = |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1355 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1356 | __ TailCallExternalReference(store_ic_property, 3, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1357 | |
| 1358 | // Handle store cache miss. |
| 1359 | __ bind(&miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1360 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1361 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1362 | |
| 1363 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1364 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1365 | } |
| 1366 | |
| 1367 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1368 | Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object, |
| 1369 | JSGlobalPropertyCell* cell, |
| 1370 | String* name) { |
| 1371 | // ----------- S t a t e ------------- |
| 1372 | // -- r0 : value |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1373 | // -- r1 : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1374 | // -- r2 : name |
| 1375 | // -- lr : return address |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1376 | // ----------------------------------- |
| 1377 | Label miss; |
| 1378 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1379 | // Check that the map of the global has not changed. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1380 | __ ldr(r3, FieldMemOperand(r1, HeapObject::kMapOffset)); |
| 1381 | __ cmp(r3, Operand(Handle<Map>(object->map()))); |
| 1382 | __ b(ne, &miss); |
| 1383 | |
| 1384 | // Store the value in the cell. |
| 1385 | __ mov(r2, Operand(Handle<JSGlobalPropertyCell>(cell))); |
| 1386 | __ str(r0, FieldMemOperand(r2, JSGlobalPropertyCell::kValueOffset)); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1387 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1388 | __ IncrementCounter(&Counters::named_store_global_inline, 1, r4, r3); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1389 | __ Ret(); |
| 1390 | |
| 1391 | // Handle store cache miss. |
| 1392 | __ bind(&miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1393 | __ IncrementCounter(&Counters::named_store_global_inline_miss, 1, r4, r3); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1394 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
| 1395 | __ Jump(ic, RelocInfo::CODE_TARGET); |
| 1396 | |
| 1397 | // Return the generated code. |
| 1398 | return GetCode(NORMAL, name); |
| 1399 | } |
| 1400 | |
| 1401 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 1402 | Object* LoadStubCompiler::CompileLoadNonexistent(String* name, |
| 1403 | JSObject* object, |
| 1404 | JSObject* last) { |
| 1405 | // ----------- S t a t e ------------- |
| 1406 | // -- r2 : name |
| 1407 | // -- lr : return address |
| 1408 | // -- [sp] : receiver |
| 1409 | // ----------------------------------- |
| 1410 | Label miss; |
| 1411 | |
| 1412 | // Load receiver. |
| 1413 | __ ldr(r0, MemOperand(sp, 0)); |
| 1414 | |
| 1415 | // Check that receiver is not a smi. |
| 1416 | __ tst(r0, Operand(kSmiTagMask)); |
| 1417 | __ b(eq, &miss); |
| 1418 | |
| 1419 | // Check the maps of the full prototype chain. |
| 1420 | CheckPrototypes(object, r0, last, r3, r1, name, &miss); |
| 1421 | |
| 1422 | // If the last object in the prototype chain is a global object, |
| 1423 | // check that the global property cell is empty. |
| 1424 | if (last->IsGlobalObject()) { |
| 1425 | Object* cell = GenerateCheckPropertyCell(masm(), |
| 1426 | GlobalObject::cast(last), |
| 1427 | name, |
| 1428 | r1, |
| 1429 | &miss); |
| 1430 | if (cell->IsFailure()) return cell; |
| 1431 | } |
| 1432 | |
| 1433 | // Return undefined if maps of the full prototype chain are still the |
| 1434 | // same and no global property with this name contains a value. |
| 1435 | __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); |
| 1436 | __ Ret(); |
| 1437 | |
| 1438 | __ bind(&miss); |
| 1439 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1440 | |
| 1441 | // Return the generated code. |
| 1442 | return GetCode(NONEXISTENT, Heap::empty_string()); |
| 1443 | } |
| 1444 | |
| 1445 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1446 | Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
| 1447 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1448 | int index, |
| 1449 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1450 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1451 | // -- r2 : name |
| 1452 | // -- lr : return address |
| 1453 | // -- [sp] : receiver |
| 1454 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1455 | Label miss; |
| 1456 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1457 | __ ldr(r0, MemOperand(sp, 0)); |
| 1458 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1459 | GenerateLoadField(object, holder, r0, r3, r1, index, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1460 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1461 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1462 | |
| 1463 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1464 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 1468 | Object* LoadStubCompiler::CompileLoadCallback(String* name, |
| 1469 | JSObject* object, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1470 | JSObject* holder, |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 1471 | AccessorInfo* callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1472 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1473 | // -- r2 : name |
| 1474 | // -- lr : return address |
| 1475 | // -- [sp] : receiver |
| 1476 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1477 | Label miss; |
| 1478 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1479 | __ ldr(r0, MemOperand(sp, 0)); |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 1480 | Failure* failure = Failure::InternalError(); |
| 1481 | bool success = GenerateLoadCallback(object, holder, r0, r2, r3, r1, |
| 1482 | callback, name, &miss, &failure); |
| 1483 | if (!success) return failure; |
| 1484 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1485 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1486 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1487 | |
| 1488 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1489 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1490 | } |
| 1491 | |
| 1492 | |
| 1493 | Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
| 1494 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1495 | Object* value, |
| 1496 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1497 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1498 | // -- r2 : name |
| 1499 | // -- lr : return address |
| 1500 | // -- [sp] : receiver |
| 1501 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1502 | Label miss; |
| 1503 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1504 | __ ldr(r0, MemOperand(sp, 0)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1505 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1506 | GenerateLoadConstant(object, holder, r0, r3, r1, value, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1507 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1508 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1509 | |
| 1510 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1511 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1512 | } |
| 1513 | |
| 1514 | |
| 1515 | Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* object, |
| 1516 | JSObject* holder, |
| 1517 | String* name) { |
| 1518 | // ----------- S t a t e ------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1519 | // -- r2 : name |
| 1520 | // -- lr : return address |
| 1521 | // -- [sp] : receiver |
| 1522 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1523 | Label miss; |
| 1524 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 1525 | __ ldr(r0, MemOperand(sp, 0)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1526 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1527 | LookupResult lookup; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1528 | LookupPostInterceptor(holder, name, &lookup); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1529 | GenerateLoadInterceptor(object, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1530 | holder, |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1531 | &lookup, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1532 | r0, |
| 1533 | r2, |
| 1534 | r3, |
| 1535 | r1, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1536 | name, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1537 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1538 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1539 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1540 | |
| 1541 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1542 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1543 | } |
| 1544 | |
| 1545 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1546 | Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object, |
| 1547 | GlobalObject* holder, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1548 | JSGlobalPropertyCell* cell, |
| 1549 | String* name, |
| 1550 | bool is_dont_delete) { |
| 1551 | // ----------- S t a t e ------------- |
| 1552 | // -- r2 : name |
| 1553 | // -- lr : return address |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1554 | // -- r0 : receiver |
| 1555 | // -- sp[0] : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1556 | // ----------------------------------- |
| 1557 | Label miss; |
| 1558 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1559 | // If the object is the holder then we know that it's a global |
| 1560 | // object which can only happen for contextual calls. In this case, |
| 1561 | // the receiver cannot be a smi. |
| 1562 | if (object != holder) { |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1563 | __ tst(r0, Operand(kSmiTagMask)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1564 | __ b(eq, &miss); |
| 1565 | } |
| 1566 | |
| 1567 | // Check that the map of the global has not changed. |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1568 | CheckPrototypes(object, r0, holder, r3, r4, name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1569 | |
| 1570 | // Get the value from the cell. |
| 1571 | __ mov(r3, Operand(Handle<JSGlobalPropertyCell>(cell))); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1572 | __ ldr(r4, FieldMemOperand(r3, JSGlobalPropertyCell::kValueOffset)); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1573 | |
| 1574 | // Check for deleted property if property can actually be deleted. |
| 1575 | if (!is_dont_delete) { |
ager@chromium.org | ab99eea | 2009-08-25 07:05:41 +0000 | [diff] [blame] | 1576 | __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1577 | __ cmp(r4, ip); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1578 | __ b(eq, &miss); |
| 1579 | } |
| 1580 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1581 | __ mov(r0, r4); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1582 | __ IncrementCounter(&Counters::named_load_global_inline, 1, r1, r3); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1583 | __ Ret(); |
| 1584 | |
| 1585 | __ bind(&miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1586 | __ IncrementCounter(&Counters::named_load_global_inline_miss, 1, r1, r3); |
| 1587 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1588 | |
| 1589 | // Return the generated code. |
| 1590 | return GetCode(NORMAL, name); |
| 1591 | } |
| 1592 | |
| 1593 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1594 | Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
| 1595 | JSObject* receiver, |
| 1596 | JSObject* holder, |
| 1597 | int index) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1598 | // ----------- S t a t e ------------- |
| 1599 | // -- lr : return address |
| 1600 | // -- sp[0] : key |
| 1601 | // -- sp[4] : receiver |
| 1602 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1603 | Label miss; |
| 1604 | |
| 1605 | __ ldr(r2, MemOperand(sp, 0)); |
| 1606 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1607 | |
| 1608 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1609 | __ b(ne, &miss); |
| 1610 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1611 | GenerateLoadField(receiver, holder, r0, r3, r1, index, name, &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1612 | __ bind(&miss); |
| 1613 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1614 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1615 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1616 | } |
| 1617 | |
| 1618 | |
| 1619 | Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
| 1620 | JSObject* receiver, |
| 1621 | JSObject* holder, |
| 1622 | AccessorInfo* callback) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1623 | // ----------- S t a t e ------------- |
| 1624 | // -- lr : return address |
| 1625 | // -- sp[0] : key |
| 1626 | // -- sp[4] : receiver |
| 1627 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1628 | Label miss; |
| 1629 | |
| 1630 | __ ldr(r2, MemOperand(sp, 0)); |
| 1631 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1632 | |
| 1633 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1634 | __ b(ne, &miss); |
| 1635 | |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 1636 | Failure* failure = Failure::InternalError(); |
| 1637 | bool success = GenerateLoadCallback(receiver, holder, r0, r2, r3, r1, |
| 1638 | callback, name, &miss, &failure); |
| 1639 | if (!success) return failure; |
| 1640 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1641 | __ bind(&miss); |
| 1642 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1643 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1644 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1645 | } |
| 1646 | |
| 1647 | |
| 1648 | Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
| 1649 | JSObject* receiver, |
| 1650 | JSObject* holder, |
| 1651 | Object* value) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1652 | // ----------- S t a t e ------------- |
| 1653 | // -- lr : return address |
| 1654 | // -- sp[0] : key |
| 1655 | // -- sp[4] : receiver |
| 1656 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1657 | Label miss; |
| 1658 | |
| 1659 | // Check the key is the cached one |
| 1660 | __ ldr(r2, MemOperand(sp, 0)); |
| 1661 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1662 | |
| 1663 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1664 | __ b(ne, &miss); |
| 1665 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1666 | GenerateLoadConstant(receiver, holder, r0, r3, r1, value, name, &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1667 | __ bind(&miss); |
| 1668 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1669 | |
| 1670 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1671 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1672 | } |
| 1673 | |
| 1674 | |
| 1675 | Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 1676 | JSObject* holder, |
| 1677 | String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1678 | // ----------- S t a t e ------------- |
| 1679 | // -- lr : return address |
| 1680 | // -- sp[0] : key |
| 1681 | // -- sp[4] : receiver |
| 1682 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1683 | Label miss; |
| 1684 | |
| 1685 | // Check the key is the cached one |
| 1686 | __ ldr(r2, MemOperand(sp, 0)); |
| 1687 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1688 | |
| 1689 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1690 | __ b(ne, &miss); |
| 1691 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1692 | LookupResult lookup; |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1693 | LookupPostInterceptor(holder, name, &lookup); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1694 | GenerateLoadInterceptor(receiver, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1695 | holder, |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1696 | &lookup, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1697 | r0, |
| 1698 | r2, |
| 1699 | r3, |
| 1700 | r1, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1701 | name, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1702 | &miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1703 | __ bind(&miss); |
| 1704 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1705 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1706 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1707 | } |
| 1708 | |
| 1709 | |
| 1710 | Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1711 | // ----------- S t a t e ------------- |
| 1712 | // -- lr : return address |
| 1713 | // -- sp[0] : key |
| 1714 | // -- sp[4] : receiver |
| 1715 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1716 | Label miss; |
| 1717 | |
| 1718 | // Check the key is the cached one |
| 1719 | __ ldr(r2, MemOperand(sp, 0)); |
| 1720 | __ ldr(r0, MemOperand(sp, kPointerSize)); |
| 1721 | |
| 1722 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1723 | __ b(ne, &miss); |
| 1724 | |
| 1725 | GenerateLoadArrayLength(masm(), r0, r3, &miss); |
| 1726 | __ bind(&miss); |
| 1727 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1728 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1729 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1730 | } |
| 1731 | |
| 1732 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1733 | Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1734 | // ----------- S t a t e ------------- |
| 1735 | // -- lr : return address |
| 1736 | // -- sp[0] : key |
| 1737 | // -- sp[4] : receiver |
| 1738 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1739 | Label miss; |
| 1740 | __ IncrementCounter(&Counters::keyed_load_string_length, 1, r1, r3); |
| 1741 | |
| 1742 | __ ldr(r2, MemOperand(sp)); |
| 1743 | __ ldr(r0, MemOperand(sp, kPointerSize)); // receiver |
| 1744 | |
| 1745 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1746 | __ b(ne, &miss); |
| 1747 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1748 | GenerateLoadStringLength(masm(), r0, r1, r3, &miss); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1749 | __ bind(&miss); |
| 1750 | __ DecrementCounter(&Counters::keyed_load_string_length, 1, r1, r3); |
| 1751 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1752 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1753 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1754 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1758 | // TODO(1224671): implement the fast case. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1759 | Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1760 | // ----------- S t a t e ------------- |
| 1761 | // -- lr : return address |
| 1762 | // -- sp[0] : key |
| 1763 | // -- sp[4] : receiver |
| 1764 | // ----------------------------------- |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1765 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1766 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1767 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1768 | } |
| 1769 | |
| 1770 | |
| 1771 | Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
| 1772 | int index, |
| 1773 | Map* transition, |
| 1774 | String* name) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1775 | // ----------- S t a t e ------------- |
| 1776 | // -- r0 : value |
| 1777 | // -- r2 : name |
| 1778 | // -- lr : return address |
| 1779 | // -- [sp] : receiver |
| 1780 | // ----------------------------------- |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1781 | Label miss; |
| 1782 | |
| 1783 | __ IncrementCounter(&Counters::keyed_store_field, 1, r1, r3); |
| 1784 | |
| 1785 | // Check that the name has not changed. |
| 1786 | __ cmp(r2, Operand(Handle<String>(name))); |
| 1787 | __ b(ne, &miss); |
| 1788 | |
| 1789 | // Load receiver from the stack. |
| 1790 | __ ldr(r3, MemOperand(sp)); |
| 1791 | // r1 is used as scratch register, r3 and r2 might be clobbered. |
| 1792 | GenerateStoreField(masm(), |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1793 | object, |
| 1794 | index, |
| 1795 | transition, |
| 1796 | r3, r2, r1, |
| 1797 | &miss); |
| 1798 | __ bind(&miss); |
| 1799 | |
| 1800 | __ DecrementCounter(&Counters::keyed_store_field, 1, r1, r3); |
| 1801 | __ mov(r2, Operand(Handle<String>(name))); // restore name register. |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1802 | Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); |
| 1803 | __ Jump(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1804 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1805 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1806 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1807 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1808 | |
| 1809 | |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1810 | Object* ConstructStubCompiler::CompileConstructStub( |
| 1811 | SharedFunctionInfo* shared) { |
ager@chromium.org | a1645e2 | 2009-09-09 19:27:10 +0000 | [diff] [blame] | 1812 | // ----------- S t a t e ------------- |
| 1813 | // -- r0 : argc |
| 1814 | // -- r1 : constructor |
| 1815 | // -- lr : return address |
| 1816 | // -- [sp] : last argument |
| 1817 | // ----------------------------------- |
| 1818 | Label generic_stub_call; |
| 1819 | |
| 1820 | // Use r7 for holding undefined which is used in several places below. |
| 1821 | __ LoadRoot(r7, Heap::kUndefinedValueRootIndex); |
| 1822 | |
| 1823 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 1824 | // Check to see whether there are any break points in the function code. If |
| 1825 | // there are jump to the generic constructor stub which calls the actual |
| 1826 | // code for the function thereby hitting the break points. |
| 1827 | __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
| 1828 | __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kDebugInfoOffset)); |
| 1829 | __ cmp(r2, r7); |
| 1830 | __ b(ne, &generic_stub_call); |
| 1831 | #endif |
| 1832 | |
| 1833 | // Load the initial map and verify that it is in fact a map. |
| 1834 | // r1: constructor function |
| 1835 | // r7: undefined |
| 1836 | __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset)); |
| 1837 | __ tst(r2, Operand(kSmiTagMask)); |
| 1838 | __ b(eq, &generic_stub_call); |
| 1839 | __ CompareObjectType(r2, r3, r4, MAP_TYPE); |
| 1840 | __ b(ne, &generic_stub_call); |
| 1841 | |
| 1842 | #ifdef DEBUG |
| 1843 | // Cannot construct functions this way. |
| 1844 | // r0: argc |
| 1845 | // r1: constructor function |
| 1846 | // r2: initial map |
| 1847 | // r7: undefined |
| 1848 | __ CompareInstanceType(r2, r3, JS_FUNCTION_TYPE); |
| 1849 | __ Check(ne, "Function constructed by construct stub."); |
| 1850 | #endif |
| 1851 | |
| 1852 | // Now allocate the JSObject in new space. |
| 1853 | // r0: argc |
| 1854 | // r1: constructor function |
| 1855 | // r2: initial map |
| 1856 | // r7: undefined |
| 1857 | __ ldrb(r3, FieldMemOperand(r2, Map::kInstanceSizeOffset)); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 1858 | __ AllocateInNewSpace(r3, |
| 1859 | r4, |
| 1860 | r5, |
| 1861 | r6, |
| 1862 | &generic_stub_call, |
| 1863 | NO_ALLOCATION_FLAGS); |
ager@chromium.org | a1645e2 | 2009-09-09 19:27:10 +0000 | [diff] [blame] | 1864 | |
| 1865 | // Allocated the JSObject, now initialize the fields. Map is set to initial |
| 1866 | // map and properties and elements are set to empty fixed array. |
| 1867 | // r0: argc |
| 1868 | // r1: constructor function |
| 1869 | // r2: initial map |
| 1870 | // r3: object size (in words) |
| 1871 | // r4: JSObject (not tagged) |
| 1872 | // r7: undefined |
| 1873 | __ LoadRoot(r6, Heap::kEmptyFixedArrayRootIndex); |
| 1874 | __ mov(r5, r4); |
| 1875 | ASSERT_EQ(0 * kPointerSize, JSObject::kMapOffset); |
| 1876 | __ str(r2, MemOperand(r5, kPointerSize, PostIndex)); |
| 1877 | ASSERT_EQ(1 * kPointerSize, JSObject::kPropertiesOffset); |
| 1878 | __ str(r6, MemOperand(r5, kPointerSize, PostIndex)); |
| 1879 | ASSERT_EQ(2 * kPointerSize, JSObject::kElementsOffset); |
| 1880 | __ str(r6, MemOperand(r5, kPointerSize, PostIndex)); |
| 1881 | |
| 1882 | // Calculate the location of the first argument. The stack contains only the |
| 1883 | // argc arguments. |
| 1884 | __ add(r1, sp, Operand(r0, LSL, kPointerSizeLog2)); |
| 1885 | |
| 1886 | // Fill all the in-object properties with undefined. |
| 1887 | // r0: argc |
| 1888 | // r1: first argument |
| 1889 | // r3: object size (in words) |
| 1890 | // r4: JSObject (not tagged) |
| 1891 | // r5: First in-object property of JSObject (not tagged) |
| 1892 | // r7: undefined |
| 1893 | // Fill the initialized properties with a constant value or a passed argument |
| 1894 | // depending on the this.x = ...; assignment in the function. |
| 1895 | for (int i = 0; i < shared->this_property_assignments_count(); i++) { |
| 1896 | if (shared->IsThisPropertyAssignmentArgument(i)) { |
| 1897 | Label not_passed, next; |
| 1898 | // Check if the argument assigned to the property is actually passed. |
| 1899 | int arg_number = shared->GetThisPropertyAssignmentArgument(i); |
| 1900 | __ cmp(r0, Operand(arg_number)); |
| 1901 | __ b(le, ¬_passed); |
| 1902 | // Argument passed - find it on the stack. |
| 1903 | __ ldr(r2, MemOperand(r1, (arg_number + 1) * -kPointerSize)); |
| 1904 | __ str(r2, MemOperand(r5, kPointerSize, PostIndex)); |
| 1905 | __ b(&next); |
| 1906 | __ bind(¬_passed); |
| 1907 | // Set the property to undefined. |
| 1908 | __ str(r7, MemOperand(r5, kPointerSize, PostIndex)); |
| 1909 | __ bind(&next); |
| 1910 | } else { |
| 1911 | // Set the property to the constant value. |
| 1912 | Handle<Object> constant(shared->GetThisPropertyAssignmentConstant(i)); |
| 1913 | __ mov(r2, Operand(constant)); |
| 1914 | __ str(r2, MemOperand(r5, kPointerSize, PostIndex)); |
| 1915 | } |
| 1916 | } |
| 1917 | |
| 1918 | // Fill the unused in-object property fields with undefined. |
| 1919 | for (int i = shared->this_property_assignments_count(); |
| 1920 | i < shared->CalculateInObjectProperties(); |
| 1921 | i++) { |
| 1922 | __ str(r7, MemOperand(r5, kPointerSize, PostIndex)); |
| 1923 | } |
| 1924 | |
| 1925 | // r0: argc |
| 1926 | // r4: JSObject (not tagged) |
| 1927 | // Move argc to r1 and the JSObject to return to r0 and tag it. |
| 1928 | __ mov(r1, r0); |
| 1929 | __ mov(r0, r4); |
| 1930 | __ orr(r0, r0, Operand(kHeapObjectTag)); |
| 1931 | |
| 1932 | // r0: JSObject |
| 1933 | // r1: argc |
| 1934 | // Remove caller arguments and receiver from the stack and return. |
| 1935 | __ add(sp, sp, Operand(r1, LSL, kPointerSizeLog2)); |
| 1936 | __ add(sp, sp, Operand(kPointerSize)); |
| 1937 | __ IncrementCounter(&Counters::constructed_objects, 1, r1, r2); |
| 1938 | __ IncrementCounter(&Counters::constructed_objects_stub, 1, r1, r2); |
| 1939 | __ Jump(lr); |
| 1940 | |
| 1941 | // Jump to the generic stub in case the specialized code cannot handle the |
| 1942 | // construction. |
| 1943 | __ bind(&generic_stub_call); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1944 | Code* code = Builtins::builtin(Builtins::JSConstructStubGeneric); |
| 1945 | Handle<Code> generic_construct_stub(code); |
| 1946 | __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); |
| 1947 | |
| 1948 | // Return the generated code. |
| 1949 | return GetCode(); |
| 1950 | } |
| 1951 | |
| 1952 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1953 | #undef __ |
| 1954 | |
| 1955 | } } // namespace v8::internal |