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 | __ cmp(name, Operand::StaticArray(offset, times_2, key_offset)); |
| 55 | __ j(not_equal, &miss, not_taken); |
| 56 | |
| 57 | // Get the code entry from the cache. |
| 58 | __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
| 59 | |
| 60 | // Check that the flags match what we're looking for. |
| 61 | __ mov(offset, FieldOperand(offset, Code::kFlagsOffset)); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 62 | __ and_(offset, ~Code::kFlagsNotUsedInLookup); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 63 | __ cmp(offset, flags); |
| 64 | __ j(not_equal, &miss); |
| 65 | |
| 66 | // Restore offset and re-load code entry from cache. |
| 67 | __ pop(offset); |
| 68 | __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); |
| 69 | |
| 70 | // Jump to the first instruction in the code stub. |
| 71 | __ add(Operand(offset), Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 72 | __ jmp(Operand(offset)); |
| 73 | |
| 74 | // Miss: Restore offset and fall through. |
| 75 | __ bind(&miss); |
| 76 | __ pop(offset); |
| 77 | } |
| 78 | |
| 79 | |
| 80 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 81 | Code::Flags flags, |
| 82 | Register receiver, |
| 83 | Register name, |
| 84 | Register scratch) { |
| 85 | Label miss; |
| 86 | |
| 87 | // Make sure that code is valid. The shifting code relies on the |
| 88 | // entry size being 8. |
| 89 | ASSERT(sizeof(Entry) == 8); |
| 90 | |
| 91 | // Make sure the flags does not name a specific type. |
| 92 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 93 | |
| 94 | // Make sure that there are no register conflicts. |
| 95 | ASSERT(!scratch.is(receiver)); |
| 96 | ASSERT(!scratch.is(name)); |
| 97 | |
| 98 | // Check that the receiver isn't a smi. |
| 99 | __ test(receiver, Immediate(kSmiTagMask)); |
| 100 | __ j(zero, &miss, not_taken); |
| 101 | |
| 102 | // Get the map of the receiver and compute the hash. |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 103 | __ mov(scratch, FieldOperand(name, String::kLengthOffset)); |
| 104 | __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 105 | __ xor_(scratch, flags); |
| 106 | __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize); |
| 107 | |
| 108 | // Probe the primary table. |
| 109 | ProbeTable(masm, flags, kPrimary, name, scratch); |
| 110 | |
| 111 | // Primary miss: Compute hash for secondary probe. |
| 112 | __ sub(scratch, Operand(name)); |
| 113 | __ add(Operand(scratch), Immediate(flags)); |
| 114 | __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize); |
| 115 | |
| 116 | // Probe the secondary table. |
| 117 | ProbeTable(masm, flags, kSecondary, name, scratch); |
| 118 | |
| 119 | // Cache miss: Fall-through and let caller handle the miss by |
| 120 | // entering the runtime system. |
| 121 | __ bind(&miss); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 126 | int index, |
| 127 | Register prototype) { |
| 128 | // Load the global or builtins object from the current context. |
| 129 | __ mov(prototype, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); |
| 130 | // Load the global context from the global or builtins object. |
| 131 | __ mov(prototype, |
| 132 | FieldOperand(prototype, GlobalObject::kGlobalContextOffset)); |
| 133 | // Load the function from the global context. |
| 134 | __ mov(prototype, Operand(prototype, Context::SlotOffset(index))); |
| 135 | // Load the initial map. The global functions all have initial maps. |
| 136 | __ mov(prototype, |
| 137 | FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
| 138 | // Load the prototype from the initial map. |
| 139 | __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 144 | Register receiver, |
| 145 | Register scratch, |
| 146 | Label* miss_label) { |
| 147 | // Check that the receiver isn't a smi. |
| 148 | __ test(receiver, Immediate(kSmiTagMask)); |
| 149 | __ j(zero, miss_label, not_taken); |
| 150 | |
| 151 | // Check that the object is a JS array. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 152 | __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 153 | __ j(not_equal, miss_label, not_taken); |
| 154 | |
| 155 | // Load length directly from the JS array. |
| 156 | __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset)); |
| 157 | __ ret(0); |
| 158 | } |
| 159 | |
| 160 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 161 | // Generate code to check if an object is a string. If the object is |
| 162 | // a string, the map's instance type is left in the scratch register. |
| 163 | static void GenerateStringCheck(MacroAssembler* masm, |
| 164 | Register receiver, |
| 165 | Register scratch, |
| 166 | Label* smi, |
| 167 | Label* non_string_object) { |
| 168 | // Check that the object isn't a smi. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 169 | __ test(receiver, Immediate(kSmiTagMask)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 170 | __ j(zero, smi, not_taken); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 171 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 172 | // Check that the object is a string. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 173 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 174 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 175 | ASSERT(kNotStringTag != 0); |
| 176 | __ test(scratch, Immediate(kNotStringTag)); |
| 177 | __ j(not_zero, non_string_object, not_taken); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 181 | void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
| 182 | Register receiver, |
| 183 | Register scratch, |
| 184 | Label* miss) { |
| 185 | Label load_length, check_wrapper; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 186 | |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 187 | // Check if the object is a string leaving the instance type in the |
| 188 | // scratch register. |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 189 | GenerateStringCheck(masm, receiver, scratch, miss, &check_wrapper); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 190 | |
| 191 | // Load length directly from the string. |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 192 | __ bind(&load_length); |
| 193 | __ and_(scratch, kStringSizeMask); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 194 | __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 195 | // ecx is also the receiver. |
| 196 | __ lea(ecx, Operand(scratch, String::kLongLengthShift)); |
| 197 | __ shr(eax); // ecx is implicit shift register. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 198 | __ shl(eax, kSmiTagSize); |
| 199 | __ ret(0); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 200 | |
| 201 | // Check if the object is a JSValue wrapper. |
| 202 | __ bind(&check_wrapper); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 203 | __ cmp(scratch, JS_VALUE_TYPE); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 204 | __ j(not_equal, miss, not_taken); |
| 205 | |
| 206 | // Check if the wrapped value is a string and load the length |
| 207 | // directly if it is. |
| 208 | __ mov(receiver, FieldOperand(receiver, JSValue::kValueOffset)); |
| 209 | GenerateStringCheck(masm, receiver, scratch, miss, miss); |
| 210 | __ jmp(&load_length); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | |
| 214 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 215 | Register receiver, |
| 216 | Register scratch1, |
| 217 | Register scratch2, |
| 218 | Label* miss_label) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 219 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 220 | __ mov(eax, Operand(scratch1)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 221 | __ ret(0); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 222 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 223 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 224 | |
| 225 | // Load a fast property out of a holder object (src). In-object properties |
| 226 | // are loaded directly otherwise the property is loaded from the properties |
| 227 | // fixed array. |
| 228 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 229 | Register dst, Register src, |
| 230 | JSObject* holder, int index) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 231 | // Adjust for the number of properties stored in the holder. |
| 232 | index -= holder->map()->inobject_properties(); |
| 233 | if (index < 0) { |
| 234 | // Get the property straight out of the holder. |
| 235 | int offset = holder->map()->instance_size() + (index * kPointerSize); |
| 236 | __ mov(dst, FieldOperand(src, offset)); |
| 237 | } else { |
| 238 | // Calculate the offset into the properties array. |
| 239 | int offset = index * kPointerSize + Array::kHeaderSize; |
| 240 | __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
| 241 | __ mov(dst, FieldOperand(dst, offset)); |
| 242 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | |
| 246 | void StubCompiler::GenerateLoadField(MacroAssembler* masm, |
| 247 | JSObject* object, |
| 248 | JSObject* holder, |
| 249 | Register receiver, |
| 250 | Register scratch1, |
| 251 | Register scratch2, |
| 252 | int index, |
| 253 | Label* miss_label) { |
| 254 | // Check that the receiver isn't a smi. |
| 255 | __ test(receiver, Immediate(kSmiTagMask)); |
| 256 | __ j(zero, miss_label, not_taken); |
| 257 | |
| 258 | // Check that the maps haven't changed. |
| 259 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 260 | masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 261 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 262 | // Get the value from the properties. |
| 263 | GenerateFastPropertyLoad(masm, eax, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 264 | __ ret(0); |
| 265 | } |
| 266 | |
| 267 | |
| 268 | void StubCompiler::GenerateLoadCallback(MacroAssembler* masm, |
| 269 | JSObject* object, |
| 270 | JSObject* holder, |
| 271 | Register receiver, |
| 272 | Register name, |
| 273 | Register scratch1, |
| 274 | Register scratch2, |
| 275 | AccessorInfo* callback, |
| 276 | Label* miss_label) { |
| 277 | // Check that the receiver isn't a smi. |
| 278 | __ test(receiver, Immediate(kSmiTagMask)); |
| 279 | __ j(zero, miss_label, not_taken); |
| 280 | |
| 281 | // Check that the maps haven't changed. |
| 282 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 283 | masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 284 | |
| 285 | // Push the arguments on the JS stack of the caller. |
| 286 | __ pop(scratch2); // remove return address |
| 287 | __ push(receiver); // receiver |
| 288 | __ push(Immediate(Handle<AccessorInfo>(callback))); // callback data |
| 289 | __ push(name); // name |
| 290 | __ push(reg); // holder |
| 291 | __ push(scratch2); // restore return address |
| 292 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 293 | // Do tail-call to the runtime system. |
| 294 | ExternalReference load_callback_property = |
| 295 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); |
| 296 | __ TailCallRuntime(load_callback_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | |
| 300 | void StubCompiler::GenerateLoadConstant(MacroAssembler* masm, |
| 301 | JSObject* object, |
| 302 | JSObject* holder, |
| 303 | Register receiver, |
| 304 | Register scratch1, |
| 305 | Register scratch2, |
| 306 | Object* value, |
| 307 | Label* miss_label) { |
| 308 | // Check that the receiver isn't a smi. |
| 309 | __ test(receiver, Immediate(kSmiTagMask)); |
| 310 | __ j(zero, miss_label, not_taken); |
| 311 | |
| 312 | // Check that the maps haven't changed. |
| 313 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 314 | masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 315 | |
| 316 | // Return the constant value. |
| 317 | __ mov(eax, Handle<Object>(value)); |
| 318 | __ ret(0); |
| 319 | } |
| 320 | |
| 321 | |
| 322 | void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm, |
| 323 | JSObject* object, |
| 324 | JSObject* holder, |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 325 | Smi* lookup_hint, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 326 | Register receiver, |
| 327 | Register name, |
| 328 | Register scratch1, |
| 329 | Register scratch2, |
| 330 | Label* miss_label) { |
| 331 | // Check that the receiver isn't a smi. |
| 332 | __ test(receiver, Immediate(kSmiTagMask)); |
| 333 | __ j(zero, miss_label, not_taken); |
| 334 | |
| 335 | // Check that the maps haven't changed. |
| 336 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 337 | masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 338 | |
| 339 | // Push the arguments on the JS stack of the caller. |
| 340 | __ pop(scratch2); // remove return address |
| 341 | __ push(receiver); // receiver |
| 342 | __ push(reg); // holder |
| 343 | __ push(name); // name |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 344 | // TODO(367): Maybe don't push lookup_hint for LOOKUP_IN_HOLDER and/or |
| 345 | // LOOKUP_IN_PROTOTYPE, but use a special version of lookup method? |
| 346 | __ push(Immediate(lookup_hint)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 347 | __ push(scratch2); // restore return address |
| 348 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 349 | // Do tail-call to the runtime system. |
| 350 | ExternalReference load_ic_property = |
| 351 | ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 352 | __ TailCallRuntime(load_ic_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | |
| 356 | void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { |
| 357 | ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC); |
| 358 | Code* code = NULL; |
| 359 | if (kind == Code::LOAD_IC) { |
| 360 | code = Builtins::builtin(Builtins::LoadIC_Miss); |
| 361 | } else { |
| 362 | code = Builtins::builtin(Builtins::KeyedLoadIC_Miss); |
| 363 | } |
| 364 | |
| 365 | Handle<Code> ic(code); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 366 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | |
| 370 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 371 | Builtins::Name storage_extend, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 372 | JSObject* object, |
| 373 | int index, |
| 374 | Map* transition, |
| 375 | Register receiver_reg, |
| 376 | Register name_reg, |
| 377 | Register scratch, |
| 378 | Label* miss_label) { |
| 379 | // Check that the object isn't a smi. |
| 380 | __ test(receiver_reg, Immediate(kSmiTagMask)); |
| 381 | __ j(zero, miss_label, not_taken); |
| 382 | |
| 383 | // Check that the map of the object hasn't changed. |
| 384 | __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
| 385 | Immediate(Handle<Map>(object->map()))); |
| 386 | __ j(not_equal, miss_label, not_taken); |
| 387 | |
| 388 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 389 | if (object->IsJSGlobalProxy()) { |
| 390 | __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | // Stub never generated for non-global objects that require access |
| 394 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 395 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 396 | |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 397 | // Perform map transition for the receiver if necessary. |
| 398 | if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) { |
| 399 | // The properties must be extended before we can store the value. |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 400 | // We jump to a runtime call that extends the properties array. |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 401 | __ mov(ecx, Immediate(Handle<Map>(transition))); |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 402 | Handle<Code> ic(Builtins::builtin(storage_extend)); |
| 403 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 404 | return; |
| 405 | } |
| 406 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 407 | if (transition != NULL) { |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 408 | // Update the map of the object; no write barrier updating is |
| 409 | // needed because the map is never in new space. |
| 410 | __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), |
| 411 | Immediate(Handle<Map>(transition))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 412 | } |
| 413 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 414 | // Adjust for the number of properties stored in the object. Even in the |
| 415 | // face of a transition we can use the old map here because the size of the |
| 416 | // object and the number of in-object properties is not going to change. |
| 417 | index -= object->map()->inobject_properties(); |
| 418 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 419 | if (index < 0) { |
| 420 | // Set the property straight into the object. |
| 421 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 422 | __ mov(FieldOperand(receiver_reg, offset), eax); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 423 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 424 | // Update the write barrier for the array address. |
| 425 | // Pass the value being stored in the now unused name_reg. |
| 426 | __ mov(name_reg, Operand(eax)); |
| 427 | __ RecordWrite(receiver_reg, offset, name_reg, scratch); |
| 428 | } else { |
| 429 | // Write to the properties array. |
| 430 | int offset = index * kPointerSize + Array::kHeaderSize; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 431 | // Get the properties array (optimistically). |
| 432 | __ mov(scratch, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 433 | __ mov(FieldOperand(scratch, offset), eax); |
| 434 | |
| 435 | // Update the write barrier for the array address. |
| 436 | // Pass the value being stored in the now unused name_reg. |
| 437 | __ mov(name_reg, Operand(eax)); |
| 438 | __ RecordWrite(scratch, offset, name_reg, receiver_reg); |
| 439 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 440 | |
| 441 | // Return the value (register eax). |
| 442 | __ ret(0); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | #undef __ |
| 447 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 448 | #define __ ACCESS_MASM(masm()) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 449 | |
| 450 | |
| 451 | // TODO(1241006): Avoid having lazy compile stubs specialized by the |
| 452 | // number of arguments. It is not needed anymore. |
| 453 | Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 454 | // Enter an internal frame. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 455 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 456 | |
| 457 | // Push a copy of the function onto the stack. |
| 458 | __ push(edi); |
| 459 | |
| 460 | __ push(edi); // function is also the parameter to the runtime call |
| 461 | __ CallRuntime(Runtime::kLazyCompile, 1); |
| 462 | __ pop(edi); |
| 463 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 464 | // Tear down temporary frame. |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 465 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 466 | |
| 467 | // Do a tail-call of the compiled function. |
| 468 | __ lea(ecx, FieldOperand(eax, Code::kHeaderSize)); |
| 469 | __ jmp(Operand(ecx)); |
| 470 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 471 | return GetCodeWithFlags(flags, "LazyCompileStub"); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | |
| 475 | Object* CallStubCompiler::CompileCallField(Object* object, |
| 476 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 477 | int index, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 478 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 479 | // ----------- S t a t e ------------- |
| 480 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 481 | Label miss; |
| 482 | |
| 483 | // Get the receiver from the stack. |
| 484 | const int argc = arguments().immediate(); |
| 485 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 486 | |
| 487 | // Check that the receiver isn't a smi. |
| 488 | __ test(edx, Immediate(kSmiTagMask)); |
| 489 | __ j(zero, &miss, not_taken); |
| 490 | |
| 491 | // Do the right check and compute the holder register. |
| 492 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 493 | masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 494 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 495 | GenerateFastPropertyLoad(masm(), edi, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 496 | |
| 497 | // Check that the function really is a function. |
| 498 | __ test(edi, Immediate(kSmiTagMask)); |
| 499 | __ j(zero, &miss, not_taken); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 500 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 501 | __ j(not_equal, &miss, not_taken); |
| 502 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 503 | // Patch the receiver on the stack with the global proxy if |
| 504 | // necessary. |
| 505 | if (object->IsGlobalObject()) { |
| 506 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 507 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 508 | } |
| 509 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 510 | // Invoke the function. |
| 511 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
| 512 | |
| 513 | // Handle call cache miss. |
| 514 | __ bind(&miss); |
| 515 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 516 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 517 | |
| 518 | // Return the generated code. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 519 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | |
| 523 | Object* CallStubCompiler::CompileCallConstant(Object* object, |
| 524 | JSObject* holder, |
| 525 | JSFunction* function, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 526 | CheckType check) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 527 | // ----------- S t a t e ------------- |
| 528 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 529 | Label miss; |
| 530 | |
| 531 | // Get the receiver from the stack. |
| 532 | const int argc = arguments().immediate(); |
| 533 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 534 | |
| 535 | // Check that the receiver isn't a smi. |
| 536 | if (check != NUMBER_CHECK) { |
| 537 | __ test(edx, Immediate(kSmiTagMask)); |
| 538 | __ j(zero, &miss, not_taken); |
| 539 | } |
| 540 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 541 | // Make sure that it's okay not to patch the on stack receiver |
| 542 | // unless we're doing a receiver map check. |
| 543 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
| 544 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 545 | switch (check) { |
| 546 | case RECEIVER_MAP_CHECK: |
| 547 | // Check that the maps haven't changed. |
| 548 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 549 | |
| 550 | // Patch the receiver on the stack with the global proxy if |
| 551 | // necessary. |
| 552 | if (object->IsGlobalObject()) { |
| 553 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 554 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 555 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 556 | break; |
| 557 | |
| 558 | case STRING_CHECK: |
| 559 | // Check that the object is a two-byte string or a symbol. |
| 560 | __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 561 | __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
| 562 | __ cmp(ecx, FIRST_NONSTRING_TYPE); |
| 563 | __ j(above_equal, &miss, not_taken); |
| 564 | // Check that the maps starting from the prototype haven't changed. |
| 565 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 566 | Context::STRING_FUNCTION_INDEX, |
| 567 | ecx); |
| 568 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 569 | ecx, holder, ebx, edx, &miss); |
| 570 | break; |
| 571 | |
| 572 | case NUMBER_CHECK: { |
| 573 | Label fast; |
| 574 | // Check that the object is a smi or a heap number. |
| 575 | __ test(edx, Immediate(kSmiTagMask)); |
| 576 | __ j(zero, &fast, taken); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 577 | __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ecx); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 578 | __ j(not_equal, &miss, not_taken); |
| 579 | __ bind(&fast); |
| 580 | // Check that the maps starting from the prototype haven't changed. |
| 581 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 582 | Context::NUMBER_FUNCTION_INDEX, |
| 583 | ecx); |
| 584 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 585 | ecx, holder, ebx, edx, &miss); |
| 586 | break; |
| 587 | } |
| 588 | |
| 589 | case BOOLEAN_CHECK: { |
| 590 | Label fast; |
| 591 | // Check that the object is a boolean. |
| 592 | __ cmp(edx, Factory::true_value()); |
| 593 | __ j(equal, &fast, taken); |
| 594 | __ cmp(edx, Factory::false_value()); |
| 595 | __ j(not_equal, &miss, not_taken); |
| 596 | __ bind(&fast); |
| 597 | // Check that the maps starting from the prototype haven't changed. |
| 598 | GenerateLoadGlobalFunctionPrototype(masm(), |
| 599 | Context::BOOLEAN_FUNCTION_INDEX, |
| 600 | ecx); |
| 601 | __ CheckMaps(JSObject::cast(object->GetPrototype()), |
| 602 | ecx, holder, ebx, edx, &miss); |
| 603 | break; |
| 604 | } |
| 605 | |
| 606 | case JSARRAY_HAS_FAST_ELEMENTS_CHECK: |
| 607 | __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
| 608 | // Make sure object->elements()->map() != Heap::dictionary_array_map() |
| 609 | // Get the elements array of the object. |
| 610 | __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
| 611 | // Check that the object is in fast mode (not dictionary). |
| 612 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 613 | Immediate(Factory::hash_table_map())); |
| 614 | __ j(equal, &miss, not_taken); |
| 615 | break; |
| 616 | |
| 617 | default: |
| 618 | UNREACHABLE(); |
| 619 | } |
| 620 | |
| 621 | // Get the function and setup the context. |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 622 | __ mov(edi, Immediate(Handle<JSFunction>(function))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 623 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 624 | |
| 625 | // Jump to the cached code (tail call). |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 626 | ASSERT(function->is_compiled()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 627 | Handle<Code> code(function->code()); |
| 628 | ParameterCount expected(function->shared()->formal_parameter_count()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 629 | __ InvokeCode(code, expected, arguments(), |
| 630 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 631 | |
| 632 | // Handle call cache miss. |
| 633 | __ bind(&miss); |
| 634 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 635 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 636 | |
| 637 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 638 | String* function_name = NULL; |
| 639 | if (function->shared()->name()->IsString()) { |
| 640 | function_name = String::cast(function->shared()->name()); |
| 641 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 642 | return GetCode(CONSTANT_FUNCTION, function_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 643 | } |
| 644 | |
| 645 | |
| 646 | Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
| 647 | JSObject* holder, |
| 648 | String* name) { |
| 649 | // ----------- S t a t e ------------- |
| 650 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 651 | Label miss; |
| 652 | |
| 653 | // Get the number of arguments. |
| 654 | const int argc = arguments().immediate(); |
| 655 | |
| 656 | // Get the receiver from the stack. |
| 657 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 658 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 659 | // Check that the receiver isn't a smi. |
| 660 | __ test(edx, Immediate(kSmiTagMask)); |
| 661 | __ j(zero, &miss, not_taken); |
| 662 | |
| 663 | // Check that maps have not changed and compute the holder register. |
| 664 | Register reg = |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 665 | masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 666 | |
| 667 | // Enter an internal frame. |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 668 | __ EnterInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 669 | |
| 670 | // Push arguments on the expression stack. |
| 671 | __ push(edx); // receiver |
| 672 | __ push(reg); // holder |
| 673 | __ push(Operand(ebp, (argc + 3) * kPointerSize)); // name |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 674 | __ push(Immediate(holder->InterceptorPropertyLookupHint(name))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 675 | |
| 676 | // Perform call. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 677 | ExternalReference load_interceptor = |
| 678 | ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 679 | __ mov(eax, Immediate(4)); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 680 | __ mov(ebx, Immediate(load_interceptor)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 681 | |
| 682 | CEntryStub stub; |
| 683 | __ CallStub(&stub); |
| 684 | |
| 685 | // Move result to edi and restore receiver. |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 686 | __ mov(edi, eax); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 687 | __ mov(edx, Operand(ebp, (argc + 2) * kPointerSize)); // receiver |
| 688 | |
| 689 | // Exit frame. |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 690 | __ LeaveInternalFrame(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 691 | |
| 692 | // Check that the function really is a function. |
| 693 | __ test(edi, Immediate(kSmiTagMask)); |
| 694 | __ j(zero, &miss, not_taken); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 695 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 696 | __ j(not_equal, &miss, not_taken); |
| 697 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 698 | // Patch the receiver on the stack with the global proxy if |
| 699 | // necessary. |
| 700 | if (object->IsGlobalObject()) { |
| 701 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 702 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 703 | } |
| 704 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 705 | // Invoke the function. |
| 706 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); |
| 707 | |
| 708 | // Handle load cache miss. |
| 709 | __ bind(&miss); |
| 710 | Handle<Code> ic = ComputeCallMiss(argc); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 711 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 712 | |
| 713 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 714 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 715 | } |
| 716 | |
| 717 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 718 | Object* CallStubCompiler::CompileCallGlobal(GlobalObject* object, |
| 719 | JSGlobalPropertyCell* cell, |
| 720 | JSFunction* function, |
| 721 | String* name) { |
| 722 | // ----------- S t a t e ------------- |
| 723 | // ----------------------------------- |
| 724 | Label miss; |
| 725 | |
| 726 | __ IncrementCounter(&Counters::call_global_inline, 1); |
| 727 | |
| 728 | // Get the number of arguments. |
| 729 | const int argc = arguments().immediate(); |
| 730 | |
| 731 | // Check that the map of the global has not changed. |
| 732 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 733 | __ cmp(FieldOperand(edx, HeapObject::kMapOffset), |
| 734 | Immediate(Handle<Map>(object->map()))); |
| 735 | __ j(not_equal, &miss, not_taken); |
| 736 | |
| 737 | // Get the value from the cell. |
| 738 | __ mov(edi, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
| 739 | __ mov(edi, FieldOperand(edi, JSGlobalPropertyCell::kValueOffset)); |
| 740 | |
| 741 | // Check that the cell contains the same function. |
| 742 | __ cmp(Operand(edi), Immediate(Handle<JSFunction>(function))); |
| 743 | __ j(not_equal, &miss, not_taken); |
| 744 | |
| 745 | // Patch the receiver on the stack with the global proxy. |
| 746 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 747 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 748 | |
| 749 | // Setup the context (function already in edi). |
| 750 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 751 | |
| 752 | // Jump to the cached code (tail call). |
| 753 | ASSERT(function->is_compiled()); |
| 754 | Handle<Code> code(function->code()); |
| 755 | ParameterCount expected(function->shared()->formal_parameter_count()); |
| 756 | __ InvokeCode(code, expected, arguments(), |
| 757 | RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
| 758 | |
| 759 | // Handle call cache miss. |
| 760 | __ bind(&miss); |
| 761 | __ DecrementCounter(&Counters::call_global_inline, 1); |
| 762 | __ IncrementCounter(&Counters::call_global_inline_miss, 1); |
| 763 | Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
| 764 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 765 | |
| 766 | // Return the generated code. |
| 767 | return GetCode(NORMAL, name); |
| 768 | } |
| 769 | |
| 770 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 771 | Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
| 772 | int index, |
| 773 | Map* transition, |
| 774 | String* name) { |
| 775 | // ----------- S t a t e ------------- |
| 776 | // -- eax : value |
| 777 | // -- ecx : name |
| 778 | // -- esp[0] : return address |
| 779 | // -- esp[4] : receiver |
| 780 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 781 | Label miss; |
| 782 | |
| 783 | // Get the object from the stack. |
| 784 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 785 | |
| 786 | // Generate store field code. Trashes the name register. |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 787 | GenerateStoreField(masm(), |
| 788 | Builtins::StoreIC_ExtendStorage, |
| 789 | object, |
| 790 | index, |
| 791 | transition, |
| 792 | ebx, ecx, edx, |
| 793 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 794 | |
| 795 | // Handle store cache miss. |
| 796 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 797 | __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 798 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 799 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 800 | |
| 801 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 802 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | |
| 806 | Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, |
| 807 | AccessorInfo* callback, |
| 808 | String* name) { |
| 809 | // ----------- S t a t e ------------- |
| 810 | // -- eax : value |
| 811 | // -- ecx : name |
| 812 | // -- esp[0] : return address |
| 813 | // -- esp[4] : receiver |
| 814 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 815 | Label miss; |
| 816 | |
| 817 | // Get the object from the stack. |
| 818 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 819 | |
| 820 | // Check that the object isn't a smi. |
| 821 | __ test(ebx, Immediate(kSmiTagMask)); |
| 822 | __ j(zero, &miss, not_taken); |
| 823 | |
| 824 | // Check that the map of the object hasn't changed. |
| 825 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 826 | Immediate(Handle<Map>(object->map()))); |
| 827 | __ j(not_equal, &miss, not_taken); |
| 828 | |
| 829 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 830 | if (object->IsJSGlobalProxy()) { |
| 831 | __ CheckAccessGlobalProxy(ebx, edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 832 | } |
| 833 | |
| 834 | // Stub never generated for non-global objects that require access |
| 835 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 836 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 837 | |
| 838 | __ pop(ebx); // remove the return address |
| 839 | __ push(Operand(esp, 0)); // receiver |
| 840 | __ push(Immediate(Handle<AccessorInfo>(callback))); // callback info |
| 841 | __ push(ecx); // name |
| 842 | __ push(eax); // value |
| 843 | __ push(ebx); // restore return address |
| 844 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 845 | // Do tail-call to the runtime system. |
| 846 | ExternalReference store_callback_property = |
| 847 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); |
| 848 | __ TailCallRuntime(store_callback_property, 4); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 849 | |
| 850 | // Handle store cache miss. |
| 851 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 852 | __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 853 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 854 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 855 | |
| 856 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 857 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | |
| 861 | Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, |
| 862 | String* name) { |
| 863 | // ----------- S t a t e ------------- |
| 864 | // -- eax : value |
| 865 | // -- ecx : name |
| 866 | // -- esp[0] : return address |
| 867 | // -- esp[4] : receiver |
| 868 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 869 | Label miss; |
| 870 | |
| 871 | // Get the object from the stack. |
| 872 | __ mov(ebx, Operand(esp, 1 * kPointerSize)); |
| 873 | |
| 874 | // Check that the object isn't a smi. |
| 875 | __ test(ebx, Immediate(kSmiTagMask)); |
| 876 | __ j(zero, &miss, not_taken); |
| 877 | |
| 878 | // Check that the map of the object hasn't changed. |
| 879 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 880 | Immediate(Handle<Map>(receiver->map()))); |
| 881 | __ j(not_equal, &miss, not_taken); |
| 882 | |
| 883 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 884 | if (receiver->IsJSGlobalProxy()) { |
| 885 | __ CheckAccessGlobalProxy(ebx, edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 886 | } |
| 887 | |
| 888 | // Stub never generated for non-global objects that require access |
| 889 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 890 | ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 891 | |
| 892 | __ pop(ebx); // remove the return address |
| 893 | __ push(Operand(esp, 0)); // receiver |
| 894 | __ push(ecx); // name |
| 895 | __ push(eax); // value |
| 896 | __ push(ebx); // restore return address |
| 897 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 898 | // Do tail-call to the runtime system. |
| 899 | ExternalReference store_ic_property = |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 900 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 901 | __ TailCallRuntime(store_ic_property, 3); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 902 | |
| 903 | // Handle store cache miss. |
| 904 | __ bind(&miss); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 905 | __ mov(ecx, Immediate(Handle<String>(name))); // restore name |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 906 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 907 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 908 | |
| 909 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 910 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 914 | Object* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object, |
| 915 | JSGlobalPropertyCell* cell, |
| 916 | String* name) { |
| 917 | // ----------- S t a t e ------------- |
| 918 | // -- eax : value |
| 919 | // -- ecx : name |
| 920 | // -- esp[0] : return address |
| 921 | // -- esp[4] : receiver |
| 922 | // ----------------------------------- |
| 923 | Label miss; |
| 924 | |
| 925 | __ IncrementCounter(&Counters::named_store_global_inline, 1); |
| 926 | |
| 927 | // Check that the map of the global has not changed. |
| 928 | __ mov(ebx, (Operand(esp, kPointerSize))); |
| 929 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
| 930 | Immediate(Handle<Map>(object->map()))); |
| 931 | __ j(not_equal, &miss, not_taken); |
| 932 | |
| 933 | // Store the value in the cell. |
| 934 | __ mov(ecx, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
| 935 | __ mov(FieldOperand(ecx, JSGlobalPropertyCell::kValueOffset), eax); |
| 936 | |
| 937 | // RecordWrite clobbers the value register. Pass the value being stored in |
| 938 | // edx. |
| 939 | __ mov(edx, eax); |
| 940 | __ RecordWrite(ecx, JSGlobalPropertyCell::kValueOffset, edx, ebx); |
| 941 | |
| 942 | // Return the value (register eax). |
| 943 | __ ret(0); |
| 944 | |
| 945 | // Handle store cache miss. |
| 946 | __ bind(&miss); |
| 947 | __ DecrementCounter(&Counters::named_store_global_inline, 1); |
| 948 | __ IncrementCounter(&Counters::named_store_global_inline_miss, 1); |
| 949 | Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); |
| 950 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 951 | |
| 952 | // Return the generated code. |
| 953 | return GetCode(NORMAL, name); |
| 954 | } |
| 955 | |
| 956 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 957 | Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
| 958 | int index, |
| 959 | Map* transition, |
| 960 | String* name) { |
| 961 | // ----------- S t a t e ------------- |
| 962 | // -- eax : value |
| 963 | // -- esp[0] : return address |
| 964 | // -- esp[4] : key |
| 965 | // -- esp[8] : receiver |
| 966 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 967 | Label miss; |
| 968 | |
| 969 | __ IncrementCounter(&Counters::keyed_store_field, 1); |
| 970 | |
| 971 | // Get the name from the stack. |
| 972 | __ mov(ecx, Operand(esp, 1 * kPointerSize)); |
| 973 | // Check that the name has not changed. |
| 974 | __ cmp(Operand(ecx), Immediate(Handle<String>(name))); |
| 975 | __ j(not_equal, &miss, not_taken); |
| 976 | |
| 977 | // Get the object from the stack. |
| 978 | __ mov(ebx, Operand(esp, 2 * kPointerSize)); |
| 979 | |
| 980 | // Generate store field code. Trashes the name register. |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 981 | GenerateStoreField(masm(), |
| 982 | Builtins::KeyedStoreIC_ExtendStorage, |
| 983 | object, |
| 984 | index, |
| 985 | transition, |
| 986 | ebx, ecx, edx, |
| 987 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 988 | |
| 989 | // Handle store cache miss. |
| 990 | __ bind(&miss); |
| 991 | __ DecrementCounter(&Counters::keyed_store_field, 1); |
| 992 | Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 993 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 994 | |
| 995 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 996 | return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | |
| 1000 | Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
| 1001 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1002 | int index, |
| 1003 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1004 | // ----------- S t a t e ------------- |
| 1005 | // -- ecx : name |
| 1006 | // -- esp[0] : return address |
| 1007 | // -- esp[4] : receiver |
| 1008 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1009 | Label miss; |
| 1010 | |
| 1011 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1012 | GenerateLoadField(masm(), object, holder, eax, ebx, edx, index, &miss); |
| 1013 | __ bind(&miss); |
| 1014 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1015 | |
| 1016 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1017 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | |
| 1021 | Object* LoadStubCompiler::CompileLoadCallback(JSObject* object, |
| 1022 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1023 | AccessorInfo* callback, |
| 1024 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1025 | // ----------- S t a t e ------------- |
| 1026 | // -- ecx : name |
| 1027 | // -- esp[0] : return address |
| 1028 | // -- esp[4] : receiver |
| 1029 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1030 | Label miss; |
| 1031 | |
| 1032 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1033 | GenerateLoadCallback(masm(), object, holder, eax, ecx, ebx, |
| 1034 | edx, callback, &miss); |
| 1035 | __ bind(&miss); |
| 1036 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1037 | |
| 1038 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1039 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | |
| 1043 | Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
| 1044 | JSObject* holder, |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1045 | Object* value, |
| 1046 | String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1047 | // ----------- S t a t e ------------- |
| 1048 | // -- ecx : name |
| 1049 | // -- esp[0] : return address |
| 1050 | // -- esp[4] : receiver |
| 1051 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1052 | Label miss; |
| 1053 | |
| 1054 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1055 | GenerateLoadConstant(masm(), object, holder, eax, ebx, edx, value, &miss); |
| 1056 | __ bind(&miss); |
| 1057 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1058 | |
| 1059 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1060 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 1065 | JSObject* holder, |
| 1066 | String* name) { |
| 1067 | // ----------- S t a t e ------------- |
| 1068 | // -- ecx : name |
| 1069 | // -- esp[0] : return address |
| 1070 | // -- esp[4] : receiver |
| 1071 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1072 | Label miss; |
| 1073 | |
| 1074 | __ mov(eax, (Operand(esp, kPointerSize))); |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1075 | // TODO(368): Compile in the whole chain: all the interceptors in |
| 1076 | // prototypes and ultimate answer. |
| 1077 | GenerateLoadInterceptor(masm(), |
| 1078 | receiver, |
| 1079 | holder, |
| 1080 | holder->InterceptorPropertyLookupHint(name), |
| 1081 | eax, |
| 1082 | ecx, |
| 1083 | edx, |
| 1084 | ebx, |
| 1085 | &miss); |
| 1086 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1087 | __ bind(&miss); |
| 1088 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1089 | |
| 1090 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1091 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame^] | 1095 | Object* LoadStubCompiler::CompileLoadGlobal(GlobalObject* object, |
| 1096 | JSGlobalPropertyCell* cell, |
| 1097 | String* name, |
| 1098 | bool is_dont_delete) { |
| 1099 | // ----------- S t a t e ------------- |
| 1100 | // -- ecx : name |
| 1101 | // -- esp[0] : return address |
| 1102 | // -- esp[4] : receiver |
| 1103 | // ----------------------------------- |
| 1104 | Label miss; |
| 1105 | |
| 1106 | __ IncrementCounter(&Counters::named_load_global_inline, 1); |
| 1107 | |
| 1108 | // Check that the map of the global has not changed. |
| 1109 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1110 | __ cmp(FieldOperand(eax, HeapObject::kMapOffset), |
| 1111 | Immediate(Handle<Map>(object->map()))); |
| 1112 | __ j(not_equal, &miss, not_taken); |
| 1113 | |
| 1114 | // Get the value from the cell. |
| 1115 | __ mov(eax, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
| 1116 | __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); |
| 1117 | |
| 1118 | // Check for deleted property if property can actually be deleted. |
| 1119 | if (!is_dont_delete) { |
| 1120 | __ cmp(eax, Factory::the_hole_value()); |
| 1121 | __ j(equal, &miss, not_taken); |
| 1122 | } |
| 1123 | |
| 1124 | __ ret(0); |
| 1125 | |
| 1126 | __ bind(&miss); |
| 1127 | __ DecrementCounter(&Counters::named_load_global_inline, 1); |
| 1128 | __ IncrementCounter(&Counters::named_load_global_inline_miss, 1); |
| 1129 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 1130 | |
| 1131 | // Return the generated code. |
| 1132 | return GetCode(NORMAL, name); |
| 1133 | } |
| 1134 | |
| 1135 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1136 | Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
| 1137 | JSObject* receiver, |
| 1138 | JSObject* holder, |
| 1139 | int index) { |
| 1140 | // ----------- S t a t e ------------- |
| 1141 | // -- esp[0] : return address |
| 1142 | // -- esp[4] : name |
| 1143 | // -- esp[8] : receiver |
| 1144 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1145 | Label miss; |
| 1146 | |
| 1147 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1148 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1149 | __ IncrementCounter(&Counters::keyed_load_field, 1); |
| 1150 | |
| 1151 | // Check that the name has not changed. |
| 1152 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1153 | __ j(not_equal, &miss, not_taken); |
| 1154 | |
| 1155 | GenerateLoadField(masm(), receiver, holder, ecx, ebx, edx, index, &miss); |
| 1156 | __ bind(&miss); |
| 1157 | __ DecrementCounter(&Counters::keyed_load_field, 1); |
| 1158 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1159 | |
| 1160 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1161 | return GetCode(FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | |
| 1165 | Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
| 1166 | JSObject* receiver, |
| 1167 | JSObject* holder, |
| 1168 | AccessorInfo* callback) { |
| 1169 | // ----------- S t a t e ------------- |
| 1170 | // -- esp[0] : return address |
| 1171 | // -- esp[4] : name |
| 1172 | // -- esp[8] : receiver |
| 1173 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1174 | Label miss; |
| 1175 | |
| 1176 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1177 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1178 | __ IncrementCounter(&Counters::keyed_load_callback, 1); |
| 1179 | |
| 1180 | // Check that the name has not changed. |
| 1181 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1182 | __ j(not_equal, &miss, not_taken); |
| 1183 | |
| 1184 | GenerateLoadCallback(masm(), receiver, holder, ecx, eax, ebx, edx, |
| 1185 | callback, &miss); |
| 1186 | __ bind(&miss); |
| 1187 | __ DecrementCounter(&Counters::keyed_load_callback, 1); |
| 1188 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1189 | |
| 1190 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1191 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1192 | } |
| 1193 | |
| 1194 | |
| 1195 | Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
| 1196 | JSObject* receiver, |
| 1197 | JSObject* holder, |
| 1198 | Object* value) { |
| 1199 | // ----------- S t a t e ------------- |
| 1200 | // -- esp[0] : return address |
| 1201 | // -- esp[4] : name |
| 1202 | // -- esp[8] : receiver |
| 1203 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1204 | Label miss; |
| 1205 | |
| 1206 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1207 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1208 | __ IncrementCounter(&Counters::keyed_load_constant_function, 1); |
| 1209 | |
| 1210 | // Check that the name has not changed. |
| 1211 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1212 | __ j(not_equal, &miss, not_taken); |
| 1213 | |
| 1214 | GenerateLoadConstant(masm(), receiver, holder, ecx, ebx, edx, value, &miss); |
| 1215 | __ bind(&miss); |
| 1216 | __ DecrementCounter(&Counters::keyed_load_constant_function, 1); |
| 1217 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1218 | |
| 1219 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1220 | return GetCode(CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
| 1225 | JSObject* holder, |
| 1226 | String* name) { |
| 1227 | // ----------- S t a t e ------------- |
| 1228 | // -- esp[0] : return address |
| 1229 | // -- esp[4] : name |
| 1230 | // -- esp[8] : receiver |
| 1231 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1232 | Label miss; |
| 1233 | |
| 1234 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1235 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1236 | __ IncrementCounter(&Counters::keyed_load_interceptor, 1); |
| 1237 | |
| 1238 | // Check that the name has not changed. |
| 1239 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1240 | __ j(not_equal, &miss, not_taken); |
| 1241 | |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 1242 | GenerateLoadInterceptor(masm(), |
| 1243 | receiver, |
| 1244 | holder, |
| 1245 | Smi::FromInt(JSObject::kLookupInHolder), |
| 1246 | ecx, |
| 1247 | eax, |
| 1248 | edx, |
| 1249 | ebx, |
| 1250 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1251 | __ bind(&miss); |
| 1252 | __ DecrementCounter(&Counters::keyed_load_interceptor, 1); |
| 1253 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1254 | |
| 1255 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1256 | return GetCode(INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1257 | } |
| 1258 | |
| 1259 | |
| 1260 | |
| 1261 | |
| 1262 | Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
| 1263 | // ----------- S t a t e ------------- |
| 1264 | // -- esp[0] : return address |
| 1265 | // -- esp[4] : name |
| 1266 | // -- esp[8] : receiver |
| 1267 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1268 | Label miss; |
| 1269 | |
| 1270 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1271 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1272 | __ IncrementCounter(&Counters::keyed_load_array_length, 1); |
| 1273 | |
| 1274 | // Check that the name has not changed. |
| 1275 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1276 | __ j(not_equal, &miss, not_taken); |
| 1277 | |
| 1278 | GenerateLoadArrayLength(masm(), ecx, edx, &miss); |
| 1279 | __ bind(&miss); |
| 1280 | __ DecrementCounter(&Counters::keyed_load_array_length, 1); |
| 1281 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1282 | |
| 1283 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1284 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1288 | Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1289 | // ----------- S t a t e ------------- |
| 1290 | // -- esp[0] : return address |
| 1291 | // -- esp[4] : name |
| 1292 | // -- esp[8] : receiver |
| 1293 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1294 | Label miss; |
| 1295 | |
| 1296 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1297 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1298 | __ IncrementCounter(&Counters::keyed_load_string_length, 1); |
| 1299 | |
| 1300 | // Check that the name has not changed. |
| 1301 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1302 | __ j(not_equal, &miss, not_taken); |
| 1303 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1304 | GenerateLoadStringLength(masm(), ecx, edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1305 | __ bind(&miss); |
| 1306 | __ DecrementCounter(&Counters::keyed_load_string_length, 1); |
| 1307 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1308 | |
| 1309 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1310 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | |
| 1314 | Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
| 1315 | // ----------- S t a t e ------------- |
| 1316 | // -- esp[0] : return address |
| 1317 | // -- esp[4] : name |
| 1318 | // -- esp[8] : receiver |
| 1319 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1320 | Label miss; |
| 1321 | |
| 1322 | __ mov(eax, (Operand(esp, kPointerSize))); |
| 1323 | __ mov(ecx, (Operand(esp, 2 * kPointerSize))); |
| 1324 | __ IncrementCounter(&Counters::keyed_load_function_prototype, 1); |
| 1325 | |
| 1326 | // Check that the name has not changed. |
| 1327 | __ cmp(Operand(eax), Immediate(Handle<String>(name))); |
| 1328 | __ j(not_equal, &miss, not_taken); |
| 1329 | |
| 1330 | GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss); |
| 1331 | __ bind(&miss); |
| 1332 | __ DecrementCounter(&Counters::keyed_load_function_prototype, 1); |
| 1333 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 1334 | |
| 1335 | // Return the generated code. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1336 | return GetCode(CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1337 | } |
| 1338 | |
| 1339 | |
| 1340 | #undef __ |
| 1341 | |
| 1342 | } } // namespace v8::internal |