erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1 | // Copyright 2012 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 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 30 | #if defined(V8_TARGET_ARCH_IA32) |
| 31 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 32 | #include "ic-inl.h" |
karlklose@chromium.org | 44bc708 | 2011-04-11 12:33:05 +0000 | [diff] [blame] | 33 | #include "codegen.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 34 | #include "stub-cache.h" |
| 35 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 36 | namespace v8 { |
| 37 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 38 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 39 | #define __ ACCESS_MASM(masm) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 40 | |
| 41 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 42 | static void ProbeTable(Isolate* isolate, |
| 43 | MacroAssembler* masm, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 44 | Code::Flags flags, |
| 45 | StubCache::Table table, |
| 46 | Register name, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 47 | Register receiver, |
| 48 | // Number of the cache entry pointer-size scaled. |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 49 | Register offset, |
| 50 | Register extra) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 51 | ExternalReference key_offset(isolate->stub_cache()->key_reference(table)); |
| 52 | ExternalReference value_offset(isolate->stub_cache()->value_reference(table)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 53 | ExternalReference map_offset(isolate->stub_cache()->map_reference(table)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 54 | |
| 55 | Label miss; |
| 56 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 57 | // Multiply by 3 because there are 3 fields per entry (name, code, map). |
| 58 | __ lea(offset, Operand(offset, offset, times_2, 0)); |
| 59 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 60 | if (extra.is_valid()) { |
| 61 | // Get the code entry from the cache. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 62 | __ mov(extra, Operand::StaticArray(offset, times_1, value_offset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 63 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 64 | // Check that the key in the entry matches the name. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 65 | __ cmp(name, Operand::StaticArray(offset, times_1, key_offset)); |
| 66 | __ j(not_equal, &miss); |
| 67 | |
| 68 | // Check the map matches. |
| 69 | __ mov(offset, Operand::StaticArray(offset, times_1, map_offset)); |
| 70 | __ cmp(offset, FieldOperand(receiver, HeapObject::kMapOffset)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 71 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 72 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 73 | // Check that the flags match what we're looking for. |
| 74 | __ mov(offset, FieldOperand(extra, Code::kFlagsOffset)); |
| 75 | __ and_(offset, ~Code::kFlagsNotUsedInLookup); |
| 76 | __ cmp(offset, flags); |
| 77 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 78 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 79 | #ifdef DEBUG |
| 80 | if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) { |
| 81 | __ jmp(&miss); |
| 82 | } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) { |
| 83 | __ jmp(&miss); |
| 84 | } |
| 85 | #endif |
| 86 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 87 | // Jump to the first instruction in the code stub. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 88 | __ add(extra, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 89 | __ jmp(extra); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 90 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 91 | __ bind(&miss); |
| 92 | } else { |
| 93 | // Save the offset on the stack. |
| 94 | __ push(offset); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 95 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 96 | // Check that the key in the entry matches the name. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 97 | __ cmp(name, Operand::StaticArray(offset, times_1, key_offset)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 98 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 99 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 100 | // Check the map matches. |
| 101 | __ mov(offset, Operand::StaticArray(offset, times_1, map_offset)); |
| 102 | __ cmp(offset, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 103 | __ j(not_equal, &miss); |
| 104 | |
| 105 | // Restore offset register. |
| 106 | __ mov(offset, Operand(esp, 0)); |
| 107 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 108 | // Get the code entry from the cache. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 109 | __ mov(offset, Operand::StaticArray(offset, times_1, value_offset)); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 110 | |
| 111 | // Check that the flags match what we're looking for. |
| 112 | __ mov(offset, FieldOperand(offset, Code::kFlagsOffset)); |
| 113 | __ and_(offset, ~Code::kFlagsNotUsedInLookup); |
| 114 | __ cmp(offset, flags); |
| 115 | __ j(not_equal, &miss); |
| 116 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 117 | #ifdef DEBUG |
| 118 | if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) { |
| 119 | __ jmp(&miss); |
| 120 | } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) { |
| 121 | __ jmp(&miss); |
| 122 | } |
| 123 | #endif |
| 124 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 125 | // Restore offset and re-load code entry from cache. |
| 126 | __ pop(offset); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 127 | __ mov(offset, Operand::StaticArray(offset, times_1, value_offset)); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 128 | |
| 129 | // Jump to the first instruction in the code stub. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 130 | __ add(offset, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 131 | __ jmp(offset); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 132 | |
| 133 | // Pop at miss. |
| 134 | __ bind(&miss); |
| 135 | __ pop(offset); |
| 136 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 140 | // Helper function used to check that the dictionary doesn't contain |
| 141 | // the property. This function may return false negatives, so miss_label |
| 142 | // must always call a backup property check that is complete. |
| 143 | // This function is safe to call if the receiver has fast properties. |
| 144 | // Name must be a symbol and receiver must be a heap object. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 145 | static void GenerateDictionaryNegativeLookup(MacroAssembler* masm, |
| 146 | Label* miss_label, |
| 147 | Register receiver, |
| 148 | Handle<String> name, |
| 149 | Register r0, |
| 150 | Register r1) { |
| 151 | ASSERT(name->IsSymbol()); |
| 152 | Counters* counters = masm->isolate()->counters(); |
| 153 | __ IncrementCounter(counters->negative_lookups(), 1); |
| 154 | __ IncrementCounter(counters->negative_lookups_miss(), 1); |
| 155 | |
| 156 | __ mov(r0, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 157 | |
| 158 | const int kInterceptorOrAccessCheckNeededMask = |
| 159 | (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
| 160 | |
| 161 | // Bail out if the receiver has a named interceptor or requires access checks. |
| 162 | __ test_b(FieldOperand(r0, Map::kBitFieldOffset), |
| 163 | kInterceptorOrAccessCheckNeededMask); |
| 164 | __ j(not_zero, miss_label); |
| 165 | |
| 166 | // Check that receiver is a JSObject. |
| 167 | __ CmpInstanceType(r0, FIRST_SPEC_OBJECT_TYPE); |
| 168 | __ j(below, miss_label); |
| 169 | |
| 170 | // Load properties array. |
| 171 | Register properties = r0; |
| 172 | __ mov(properties, FieldOperand(receiver, JSObject::kPropertiesOffset)); |
| 173 | |
| 174 | // Check that the properties array is a dictionary. |
| 175 | __ cmp(FieldOperand(properties, HeapObject::kMapOffset), |
| 176 | Immediate(masm->isolate()->factory()->hash_table_map())); |
| 177 | __ j(not_equal, miss_label); |
| 178 | |
| 179 | Label done; |
| 180 | StringDictionaryLookupStub::GenerateNegativeLookup(masm, |
| 181 | miss_label, |
| 182 | &done, |
| 183 | properties, |
| 184 | name, |
| 185 | r1); |
| 186 | __ bind(&done); |
| 187 | __ DecrementCounter(counters->negative_lookups_miss(), 1); |
| 188 | } |
| 189 | |
| 190 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 191 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 192 | Code::Flags flags, |
| 193 | Register receiver, |
| 194 | Register name, |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 195 | Register scratch, |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 196 | Register extra, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 197 | Register extra2, |
| 198 | Register extra3) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 199 | Label miss; |
| 200 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 201 | // Assert that code is valid. The multiplying code relies on the entry size |
| 202 | // being 12. |
| 203 | ASSERT(sizeof(Entry) == 12); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 204 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 205 | // Assert the flags do not name a specific type. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 206 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 207 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 208 | // Assert that there are no register conflicts. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 209 | ASSERT(!scratch.is(receiver)); |
| 210 | ASSERT(!scratch.is(name)); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 211 | ASSERT(!extra.is(receiver)); |
| 212 | ASSERT(!extra.is(name)); |
| 213 | ASSERT(!extra.is(scratch)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 214 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 215 | // Assert scratch and extra registers are valid, and extra2/3 are unused. |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 216 | ASSERT(!scratch.is(no_reg)); |
| 217 | ASSERT(extra2.is(no_reg)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 218 | ASSERT(extra3.is(no_reg)); |
| 219 | |
| 220 | Register offset = scratch; |
| 221 | scratch = no_reg; |
| 222 | |
| 223 | Counters* counters = masm->isolate()->counters(); |
| 224 | __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1); |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 225 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 226 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 227 | __ JumpIfSmi(receiver, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 228 | |
| 229 | // Get the map of the receiver and compute the hash. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 230 | __ mov(offset, FieldOperand(name, String::kHashFieldOffset)); |
| 231 | __ add(offset, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 232 | __ xor_(offset, flags); |
| 233 | // We mask out the last two bits because they are not part of the hash and |
| 234 | // they are always 01 for maps. Also in the two 'and' instructions below. |
| 235 | __ and_(offset, (kPrimaryTableSize - 1) << kHeapObjectTagSize); |
| 236 | // ProbeTable expects the offset to be pointer scaled, which it is, because |
| 237 | // the heap object tag size is 2 and the pointer size log 2 is also 2. |
| 238 | ASSERT(kHeapObjectTagSize == kPointerSizeLog2); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 239 | |
| 240 | // Probe the primary table. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 241 | ProbeTable(isolate(), masm, flags, kPrimary, name, receiver, offset, extra); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 242 | |
| 243 | // Primary miss: Compute hash for secondary probe. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 244 | __ mov(offset, FieldOperand(name, String::kHashFieldOffset)); |
| 245 | __ add(offset, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 246 | __ xor_(offset, flags); |
| 247 | __ and_(offset, (kPrimaryTableSize - 1) << kHeapObjectTagSize); |
| 248 | __ sub(offset, name); |
| 249 | __ add(offset, Immediate(flags)); |
| 250 | __ and_(offset, (kSecondaryTableSize - 1) << kHeapObjectTagSize); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 251 | |
| 252 | // Probe the secondary table. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 253 | ProbeTable( |
| 254 | isolate(), masm, flags, kSecondary, name, receiver, offset, extra); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 255 | |
| 256 | // Cache miss: Fall-through and let caller handle the miss by |
| 257 | // entering the runtime system. |
| 258 | __ bind(&miss); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 259 | __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | |
| 263 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 264 | int index, |
| 265 | Register prototype) { |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 266 | __ LoadGlobalFunction(index, prototype); |
| 267 | __ LoadGlobalFunctionInitialMap(prototype, prototype); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 268 | // Load the prototype from the initial map. |
| 269 | __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
| 270 | } |
| 271 | |
| 272 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 273 | void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 274 | MacroAssembler* masm, |
| 275 | int index, |
| 276 | Register prototype, |
| 277 | Label* miss) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 278 | // Check we're still in the same context. |
| 279 | __ cmp(Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)), |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 280 | masm->isolate()->global()); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 281 | __ j(not_equal, miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 282 | // Get the global function with the given index. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 283 | Handle<JSFunction> function( |
| 284 | JSFunction::cast(masm->isolate()->global_context()->get(index))); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 285 | // Load its initial map. The global functions all have initial maps. |
| 286 | __ Set(prototype, Immediate(Handle<Map>(function->initial_map()))); |
| 287 | // Load the prototype from the initial map. |
| 288 | __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
| 289 | } |
| 290 | |
| 291 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 292 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 293 | Register receiver, |
| 294 | Register scratch, |
| 295 | Label* miss_label) { |
| 296 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 297 | __ JumpIfSmi(receiver, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 298 | |
| 299 | // Check that the object is a JS array. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 300 | __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 301 | __ j(not_equal, miss_label); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 302 | |
| 303 | // Load length directly from the JS array. |
| 304 | __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset)); |
| 305 | __ ret(0); |
| 306 | } |
| 307 | |
| 308 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 309 | // Generate code to check if an object is a string. If the object is |
| 310 | // a string, the map's instance type is left in the scratch register. |
| 311 | static void GenerateStringCheck(MacroAssembler* masm, |
| 312 | Register receiver, |
| 313 | Register scratch, |
| 314 | Label* smi, |
| 315 | Label* non_string_object) { |
| 316 | // Check that the object isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 317 | __ JumpIfSmi(receiver, smi); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 318 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 319 | // Check that the object is a string. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 320 | __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 321 | __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
yangguo@chromium.org | 80c42ed | 2011-08-31 09:03:56 +0000 | [diff] [blame] | 322 | STATIC_ASSERT(kNotStringTag != 0); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 323 | __ test(scratch, Immediate(kNotStringTag)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 324 | __ j(not_zero, non_string_object); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 328 | void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
| 329 | Register receiver, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 330 | Register scratch1, |
| 331 | Register scratch2, |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 332 | Label* miss, |
| 333 | bool support_wrappers) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 334 | Label check_wrapper; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 335 | |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 336 | // Check if the object is a string leaving the instance type in the |
| 337 | // scratch register. |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 338 | GenerateStringCheck(masm, receiver, scratch1, miss, |
| 339 | support_wrappers ? &check_wrapper : miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 340 | |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 341 | // Load length from the string and convert to a smi. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 342 | __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 343 | __ ret(0); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 344 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 345 | if (support_wrappers) { |
| 346 | // Check if the object is a JSValue wrapper. |
| 347 | __ bind(&check_wrapper); |
| 348 | __ cmp(scratch1, JS_VALUE_TYPE); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 349 | __ j(not_equal, miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 350 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 351 | // Check if the wrapped value is a string and load the length |
| 352 | // directly if it is. |
| 353 | __ mov(scratch2, FieldOperand(receiver, JSValue::kValueOffset)); |
| 354 | GenerateStringCheck(masm, scratch2, scratch1, miss, miss); |
| 355 | __ mov(eax, FieldOperand(scratch2, String::kLengthOffset)); |
| 356 | __ ret(0); |
| 357 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | |
| 361 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 362 | Register receiver, |
| 363 | Register scratch1, |
| 364 | Register scratch2, |
| 365 | Label* miss_label) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 366 | __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 367 | __ mov(eax, scratch1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 368 | __ ret(0); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 369 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 370 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 371 | |
| 372 | // Load a fast property out of a holder object (src). In-object properties |
| 373 | // are loaded directly otherwise the property is loaded from the properties |
| 374 | // fixed array. |
| 375 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 376 | Register dst, |
| 377 | Register src, |
| 378 | Handle<JSObject> holder, |
| 379 | int index) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 380 | // Adjust for the number of properties stored in the holder. |
| 381 | index -= holder->map()->inobject_properties(); |
| 382 | if (index < 0) { |
| 383 | // Get the property straight out of the holder. |
| 384 | int offset = holder->map()->instance_size() + (index * kPointerSize); |
| 385 | __ mov(dst, FieldOperand(src, offset)); |
| 386 | } else { |
| 387 | // Calculate the offset into the properties array. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 388 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 389 | __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
| 390 | __ mov(dst, FieldOperand(dst, offset)); |
| 391 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 395 | static void PushInterceptorArguments(MacroAssembler* masm, |
| 396 | Register receiver, |
| 397 | Register holder, |
| 398 | Register name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 399 | Handle<JSObject> holder_obj) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 400 | __ push(name); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 401 | Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor()); |
| 402 | ASSERT(!masm->isolate()->heap()->InNewSpace(*interceptor)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 403 | Register scratch = name; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 404 | __ mov(scratch, Immediate(interceptor)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 405 | __ push(scratch); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 406 | __ push(receiver); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 407 | __ push(holder); |
| 408 | __ push(FieldOperand(scratch, InterceptorInfo::kDataOffset)); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 409 | __ push(Immediate(reinterpret_cast<int>(masm->isolate()))); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 413 | static void CompileCallLoadPropertyWithInterceptor( |
| 414 | MacroAssembler* masm, |
| 415 | Register receiver, |
| 416 | Register holder, |
| 417 | Register name, |
| 418 | Handle<JSObject> holder_obj) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 419 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 420 | __ CallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 421 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly), |
| 422 | masm->isolate()), |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 423 | 6); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 427 | // Number of pointers to be reserved on stack for fast API call. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 428 | static const int kFastApiCallArguments = 4; |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 429 | |
| 430 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 431 | // Reserves space for the extra arguments to API function in the |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 432 | // caller's frame. |
| 433 | // |
| 434 | // These arguments are set by CheckPrototypes and GenerateFastApiCall. |
| 435 | static void ReserveSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 436 | // ----------- S t a t e ------------- |
| 437 | // -- esp[0] : return address |
| 438 | // -- esp[4] : last argument in the internal frame of the caller |
| 439 | // ----------------------------------- |
| 440 | __ pop(scratch); |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 441 | for (int i = 0; i < kFastApiCallArguments; i++) { |
| 442 | __ push(Immediate(Smi::FromInt(0))); |
| 443 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 444 | __ push(scratch); |
| 445 | } |
| 446 | |
| 447 | |
| 448 | // Undoes the effects of ReserveSpaceForFastApiCall. |
| 449 | static void FreeSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 450 | // ----------- S t a t e ------------- |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 451 | // -- esp[0] : return address. |
| 452 | // -- esp[4] : last fast api call extra argument. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 453 | // -- ... |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 454 | // -- esp[kFastApiCallArguments * 4] : first fast api call extra argument. |
| 455 | // -- esp[kFastApiCallArguments * 4 + 4] : last argument in the internal |
| 456 | // frame. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 457 | // ----------------------------------- |
| 458 | __ pop(scratch); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 459 | __ add(esp, Immediate(kPointerSize * kFastApiCallArguments)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 460 | __ push(scratch); |
| 461 | } |
| 462 | |
| 463 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 464 | // Generates call to API function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 465 | static void GenerateFastApiCall(MacroAssembler* masm, |
| 466 | const CallOptimization& optimization, |
| 467 | int argc) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 468 | // ----------- S t a t e ------------- |
| 469 | // -- esp[0] : return address |
| 470 | // -- esp[4] : object passing the type check |
| 471 | // (last fast api call extra argument, |
| 472 | // set by CheckPrototypes) |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 473 | // -- esp[8] : api function |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 474 | // (first fast api call extra argument) |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 475 | // -- esp[12] : api call data |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 476 | // -- esp[16] : isolate |
| 477 | // -- esp[20] : last argument |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 478 | // -- ... |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 479 | // -- esp[(argc + 4) * 4] : first argument |
| 480 | // -- esp[(argc + 5) * 4] : receiver |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 481 | // ----------------------------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 482 | // Get the function and setup the context. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 483 | Handle<JSFunction> function = optimization.constant_function(); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 484 | __ LoadHeapObject(edi, function); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 485 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 486 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 487 | // Pass the additional arguments. |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 488 | __ mov(Operand(esp, 2 * kPointerSize), edi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 489 | Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
| 490 | Handle<Object> call_data(api_call_info->data()); |
| 491 | if (masm->isolate()->heap()->InNewSpace(*call_data)) { |
| 492 | __ mov(ecx, api_call_info); |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 493 | __ mov(ebx, FieldOperand(ecx, CallHandlerInfo::kDataOffset)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 494 | __ mov(Operand(esp, 3 * kPointerSize), ebx); |
| 495 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 496 | __ mov(Operand(esp, 3 * kPointerSize), Immediate(call_data)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 497 | } |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 498 | __ mov(Operand(esp, 4 * kPointerSize), |
| 499 | Immediate(reinterpret_cast<int>(masm->isolate()))); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 500 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 501 | // Prepare arguments. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 502 | __ lea(eax, Operand(esp, 4 * kPointerSize)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 503 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 504 | const int kApiArgc = 1; // API function gets reference to the v8::Arguments. |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 505 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 506 | // Allocate the v8::Arguments structure in the arguments' space since |
| 507 | // it's not controlled by GC. |
| 508 | const int kApiStackSpace = 4; |
| 509 | |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 510 | __ PrepareCallApiFunction(kApiArgc + kApiStackSpace); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 511 | |
| 512 | __ mov(ApiParameterOperand(1), eax); // v8::Arguments::implicit_args_. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 513 | __ add(eax, Immediate(argc * kPointerSize)); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 514 | __ mov(ApiParameterOperand(2), eax); // v8::Arguments::values_. |
| 515 | __ Set(ApiParameterOperand(3), Immediate(argc)); // v8::Arguments::length_. |
| 516 | // v8::Arguments::is_construct_call_. |
| 517 | __ Set(ApiParameterOperand(4), Immediate(0)); |
| 518 | |
| 519 | // v8::InvocationCallback's argument. |
| 520 | __ lea(eax, ApiParameterOperand(1)); |
| 521 | __ mov(ApiParameterOperand(0), eax); |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 522 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 523 | // Function address is a foreign pointer outside V8's heap. |
| 524 | Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
| 525 | __ CallApiFunctionAndReturn(function_address, |
| 526 | argc + kFastApiCallArguments + 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 530 | class CallInterceptorCompiler BASE_EMBEDDED { |
| 531 | public: |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 532 | CallInterceptorCompiler(StubCompiler* stub_compiler, |
| 533 | const ParameterCount& arguments, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 534 | Register name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 535 | Code::ExtraICState extra_state) |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 536 | : stub_compiler_(stub_compiler), |
| 537 | arguments_(arguments), |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 538 | name_(name), |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 539 | extra_state_(extra_state) {} |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 540 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 541 | void Compile(MacroAssembler* masm, |
| 542 | Handle<JSObject> object, |
| 543 | Handle<JSObject> holder, |
| 544 | Handle<String> name, |
| 545 | LookupResult* lookup, |
| 546 | Register receiver, |
| 547 | Register scratch1, |
| 548 | Register scratch2, |
| 549 | Register scratch3, |
| 550 | Label* miss) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 551 | ASSERT(holder->HasNamedInterceptor()); |
| 552 | ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 553 | |
| 554 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 555 | __ JumpIfSmi(receiver, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 556 | |
| 557 | CallOptimization optimization(lookup); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 558 | if (optimization.is_constant_call()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 559 | CompileCacheable(masm, object, receiver, scratch1, scratch2, scratch3, |
| 560 | holder, lookup, name, optimization, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 561 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 562 | CompileRegular(masm, object, receiver, scratch1, scratch2, scratch3, |
| 563 | name, holder, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 564 | } |
| 565 | } |
| 566 | |
| 567 | private: |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 568 | void CompileCacheable(MacroAssembler* masm, |
| 569 | Handle<JSObject> object, |
| 570 | Register receiver, |
| 571 | Register scratch1, |
| 572 | Register scratch2, |
| 573 | Register scratch3, |
| 574 | Handle<JSObject> interceptor_holder, |
| 575 | LookupResult* lookup, |
| 576 | Handle<String> name, |
| 577 | const CallOptimization& optimization, |
| 578 | Label* miss_label) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 579 | ASSERT(optimization.is_constant_call()); |
| 580 | ASSERT(!lookup->holder()->IsGlobalObject()); |
| 581 | |
| 582 | int depth1 = kInvalidProtoDepth; |
| 583 | int depth2 = kInvalidProtoDepth; |
| 584 | bool can_do_fast_api_call = false; |
| 585 | if (optimization.is_simple_api_call() && |
| 586 | !lookup->holder()->IsGlobalObject()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 587 | depth1 = optimization.GetPrototypeDepthOfExpectedType( |
| 588 | object, interceptor_holder); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 589 | if (depth1 == kInvalidProtoDepth) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 590 | depth2 = optimization.GetPrototypeDepthOfExpectedType( |
| 591 | interceptor_holder, Handle<JSObject>(lookup->holder())); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 592 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 593 | can_do_fast_api_call = |
| 594 | depth1 != kInvalidProtoDepth || depth2 != kInvalidProtoDepth; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 595 | } |
| 596 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 597 | Counters* counters = masm->isolate()->counters(); |
| 598 | __ IncrementCounter(counters->call_const_interceptor(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 599 | |
| 600 | if (can_do_fast_api_call) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 601 | __ IncrementCounter(counters->call_const_interceptor_fast_api(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 602 | ReserveSpaceForFastApiCall(masm, scratch1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 603 | } |
| 604 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 605 | // Check that the maps from receiver to interceptor's holder |
| 606 | // haven't changed and thus we can invoke interceptor. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 607 | Label miss_cleanup; |
| 608 | Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label; |
| 609 | Register holder = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 610 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
| 611 | scratch1, scratch2, scratch3, |
| 612 | name, depth1, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 613 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 614 | // Invoke an interceptor and if it provides a value, |
| 615 | // branch to |regular_invoke|. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 616 | Label regular_invoke; |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 617 | LoadWithInterceptor(masm, receiver, holder, interceptor_holder, |
| 618 | ®ular_invoke); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 619 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 620 | // Interceptor returned nothing for this property. Try to use cached |
| 621 | // constant function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 622 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 623 | // Check that the maps from interceptor's holder to constant function's |
| 624 | // holder haven't changed and thus we can use cached constant function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 625 | if (*interceptor_holder != lookup->holder()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 626 | stub_compiler_->CheckPrototypes(interceptor_holder, receiver, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 627 | Handle<JSObject>(lookup->holder()), |
| 628 | scratch1, scratch2, scratch3, |
| 629 | name, depth2, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 630 | } else { |
| 631 | // CheckPrototypes has a side effect of fetching a 'holder' |
| 632 | // for API (object which is instanceof for the signature). It's |
| 633 | // safe to omit it here, as if present, it should be fetched |
| 634 | // by the previous CheckPrototypes. |
| 635 | ASSERT(depth2 == kInvalidProtoDepth); |
| 636 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 637 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 638 | // Invoke function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 639 | if (can_do_fast_api_call) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 640 | GenerateFastApiCall(masm, optimization, arguments_.immediate()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 641 | } else { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 642 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 643 | ? CALL_AS_FUNCTION |
| 644 | : CALL_AS_METHOD; |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 645 | __ InvokeFunction(optimization.constant_function(), arguments_, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 646 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 647 | } |
| 648 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 649 | // Deferred code for fast API call case---clean preallocated space. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 650 | if (can_do_fast_api_call) { |
| 651 | __ bind(&miss_cleanup); |
| 652 | FreeSpaceForFastApiCall(masm, scratch1); |
| 653 | __ jmp(miss_label); |
| 654 | } |
| 655 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 656 | // Invoke a regular function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 657 | __ bind(®ular_invoke); |
| 658 | if (can_do_fast_api_call) { |
| 659 | FreeSpaceForFastApiCall(masm, scratch1); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | void CompileRegular(MacroAssembler* masm, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 664 | Handle<JSObject> object, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 665 | Register receiver, |
| 666 | Register scratch1, |
| 667 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 668 | Register scratch3, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 669 | Handle<String> name, |
| 670 | Handle<JSObject> interceptor_holder, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 671 | Label* miss_label) { |
| 672 | Register holder = |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 673 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 674 | scratch1, scratch2, scratch3, |
| 675 | name, miss_label); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 676 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 677 | FrameScope scope(masm, StackFrame::INTERNAL); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 678 | // Save the name_ register across the call. |
| 679 | __ push(name_); |
| 680 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 681 | PushInterceptorArguments(masm, receiver, holder, name_, interceptor_holder); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 682 | |
| 683 | __ CallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 684 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForCall), |
| 685 | masm->isolate()), |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 686 | 6); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 687 | |
| 688 | // Restore the name_ register. |
| 689 | __ pop(name_); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 690 | |
| 691 | // Leave the internal frame. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | void LoadWithInterceptor(MacroAssembler* masm, |
| 695 | Register receiver, |
| 696 | Register holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 697 | Handle<JSObject> holder_obj, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 698 | Label* interceptor_succeeded) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 699 | { |
| 700 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 701 | __ push(holder); // Save the holder. |
| 702 | __ push(name_); // Save the name. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 703 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 704 | CompileCallLoadPropertyWithInterceptor(masm, |
| 705 | receiver, |
| 706 | holder, |
| 707 | name_, |
| 708 | holder_obj); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 709 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 710 | __ pop(name_); // Restore the name. |
| 711 | __ pop(receiver); // Restore the holder. |
| 712 | // Leave the internal frame. |
| 713 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 714 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 715 | __ cmp(eax, masm->isolate()->factory()->no_interceptor_result_sentinel()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 716 | __ j(not_equal, interceptor_succeeded); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 717 | } |
| 718 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 719 | StubCompiler* stub_compiler_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 720 | const ParameterCount& arguments_; |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 721 | Register name_; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 722 | Code::ExtraICState extra_state_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 723 | }; |
| 724 | |
| 725 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 726 | void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { |
| 727 | ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 728 | Handle<Code> code = (kind == Code::LOAD_IC) |
| 729 | ? masm->isolate()->builtins()->LoadIC_Miss() |
| 730 | : masm->isolate()->builtins()->KeyedLoadIC_Miss(); |
| 731 | __ jmp(code, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 735 | void StubCompiler::GenerateKeyedLoadMissForceGeneric(MacroAssembler* masm) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 736 | Handle<Code> code = |
| 737 | masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric(); |
| 738 | __ jmp(code, RelocInfo::CODE_TARGET); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 742 | // Both name_reg and receiver_reg are preserved on jumps to miss_label, |
| 743 | // but may be destroyed if store is successful. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 744 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 745 | Handle<JSObject> object, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 746 | int index, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 747 | Handle<Map> transition, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 748 | Handle<String> name, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 749 | Register receiver_reg, |
| 750 | Register name_reg, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 751 | Register scratch1, |
| 752 | Register scratch2, |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 753 | Label* miss_label) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 754 | LookupResult lookup(masm->isolate()); |
| 755 | object->Lookup(*name, &lookup); |
| 756 | if (lookup.IsFound() && (lookup.IsReadOnly() || !lookup.IsCacheable())) { |
| 757 | // In sloppy mode, we could just return the value and be done. However, we |
| 758 | // might be in strict mode, where we have to throw. Since we cannot tell, |
| 759 | // go into slow case unconditionally. |
| 760 | __ jmp(miss_label); |
| 761 | return; |
| 762 | } |
| 763 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 764 | // Check that the map of the object hasn't changed. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 765 | CompareMapMode mode = transition.is_null() ? ALLOW_ELEMENT_TRANSITION_MAPS |
| 766 | : REQUIRE_EXACT_MAP; |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 767 | __ CheckMap(receiver_reg, Handle<Map>(object->map()), |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 768 | miss_label, DO_SMI_CHECK, mode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 769 | |
| 770 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 771 | if (object->IsJSGlobalProxy()) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 772 | __ CheckAccessGlobalProxy(receiver_reg, scratch1, miss_label); |
| 773 | } |
| 774 | |
| 775 | // Check that we are allowed to write this. |
| 776 | if (!transition.is_null() && object->GetPrototype()->IsJSObject()) { |
| 777 | JSObject* holder; |
| 778 | if (lookup.IsFound()) { |
| 779 | holder = lookup.holder(); |
| 780 | } else { |
| 781 | // Find the top object. |
| 782 | holder = *object; |
| 783 | do { |
| 784 | holder = JSObject::cast(holder->GetPrototype()); |
| 785 | } while (holder->GetPrototype()->IsJSObject()); |
| 786 | } |
| 787 | // We need an extra register, push |
| 788 | __ push(name_reg); |
| 789 | Label miss_pop, done_check; |
| 790 | CheckPrototypes(object, receiver_reg, Handle<JSObject>(holder), name_reg, |
| 791 | scratch1, scratch2, name, &miss_pop); |
| 792 | __ jmp(&done_check); |
| 793 | __ bind(&miss_pop); |
| 794 | __ pop(name_reg); |
| 795 | __ jmp(miss_label); |
| 796 | __ bind(&done_check); |
| 797 | __ pop(name_reg); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | // Stub never generated for non-global objects that require access |
| 801 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 802 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 803 | |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 804 | // Perform map transition for the receiver if necessary. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 805 | if (!transition.is_null() && (object->map()->unused_property_fields() == 0)) { |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 806 | // The properties must be extended before we can store the value. |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 807 | // We jump to a runtime call that extends the properties array. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 808 | __ pop(scratch1); // Return address. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 809 | __ push(receiver_reg); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 810 | __ push(Immediate(transition)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 811 | __ push(eax); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 812 | __ push(scratch1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 813 | __ TailCallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 814 | ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), |
| 815 | masm->isolate()), |
| 816 | 3, |
| 817 | 1); |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 818 | return; |
| 819 | } |
| 820 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 821 | if (!transition.is_null()) { |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 822 | // Update the map of the object. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 823 | __ mov(scratch1, Immediate(transition)); |
| 824 | __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), scratch1); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 825 | |
| 826 | // Update the write barrier for the map field and pass the now unused |
| 827 | // name_reg as scratch register. |
| 828 | __ RecordWriteField(receiver_reg, |
| 829 | HeapObject::kMapOffset, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 830 | scratch1, |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 831 | name_reg, |
| 832 | kDontSaveFPRegs, |
| 833 | OMIT_REMEMBERED_SET, |
| 834 | OMIT_SMI_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 835 | } |
| 836 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 837 | // Adjust for the number of properties stored in the object. Even in the |
| 838 | // face of a transition we can use the old map here because the size of the |
| 839 | // object and the number of in-object properties is not going to change. |
| 840 | index -= object->map()->inobject_properties(); |
| 841 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 842 | if (index < 0) { |
| 843 | // Set the property straight into the object. |
| 844 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 845 | __ mov(FieldOperand(receiver_reg, offset), eax); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 846 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 847 | // Update the write barrier for the array address. |
| 848 | // Pass the value being stored in the now unused name_reg. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 849 | __ mov(name_reg, eax); |
| 850 | __ RecordWriteField(receiver_reg, |
| 851 | offset, |
| 852 | name_reg, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 853 | scratch1, |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 854 | kDontSaveFPRegs); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 855 | } else { |
| 856 | // Write to the properties array. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 857 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 858 | // Get the properties array (optimistically). |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 859 | __ mov(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 860 | __ mov(FieldOperand(scratch1, offset), eax); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 861 | |
| 862 | // Update the write barrier for the array address. |
| 863 | // Pass the value being stored in the now unused name_reg. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 864 | __ mov(name_reg, eax); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 865 | __ RecordWriteField(scratch1, |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 866 | offset, |
| 867 | name_reg, |
| 868 | receiver_reg, |
| 869 | kDontSaveFPRegs); |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 870 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 871 | |
| 872 | // Return the value (register eax). |
| 873 | __ ret(0); |
| 874 | } |
| 875 | |
| 876 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 877 | // Generate code to check that a global property cell is empty. Create |
| 878 | // the property cell at compilation time if no cell exists for the |
| 879 | // property. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 880 | static void GenerateCheckPropertyCell(MacroAssembler* masm, |
| 881 | Handle<GlobalObject> global, |
| 882 | Handle<String> name, |
| 883 | Register scratch, |
| 884 | Label* miss) { |
| 885 | Handle<JSGlobalPropertyCell> cell = |
| 886 | GlobalObject::EnsurePropertyCell(global, name); |
| 887 | ASSERT(cell->value()->IsTheHole()); |
| 888 | Handle<Oddball> the_hole = masm->isolate()->factory()->the_hole_value(); |
| 889 | if (Serializer::enabled()) { |
| 890 | __ mov(scratch, Immediate(cell)); |
| 891 | __ cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset), |
| 892 | Immediate(the_hole)); |
| 893 | } else { |
| 894 | __ cmp(Operand::Cell(cell), Immediate(the_hole)); |
| 895 | } |
| 896 | __ j(not_equal, miss); |
| 897 | } |
| 898 | |
| 899 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 900 | // Calls GenerateCheckPropertyCell for each global object in the prototype chain |
| 901 | // from object to (but not including) holder. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 902 | static void GenerateCheckPropertyCells(MacroAssembler* masm, |
| 903 | Handle<JSObject> object, |
| 904 | Handle<JSObject> holder, |
| 905 | Handle<String> name, |
| 906 | Register scratch, |
| 907 | Label* miss) { |
| 908 | Handle<JSObject> current = object; |
| 909 | while (!current.is_identical_to(holder)) { |
| 910 | if (current->IsGlobalObject()) { |
| 911 | GenerateCheckPropertyCell(masm, |
| 912 | Handle<GlobalObject>::cast(current), |
| 913 | name, |
| 914 | scratch, |
| 915 | miss); |
| 916 | } |
| 917 | current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); |
| 918 | } |
| 919 | } |
| 920 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 921 | #undef __ |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 922 | #define __ ACCESS_MASM(masm()) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 923 | |
| 924 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 925 | Register StubCompiler::CheckPrototypes(Handle<JSObject> object, |
| 926 | Register object_reg, |
| 927 | Handle<JSObject> holder, |
| 928 | Register holder_reg, |
| 929 | Register scratch1, |
| 930 | Register scratch2, |
| 931 | Handle<String> name, |
| 932 | int save_at_depth, |
| 933 | Label* miss) { |
| 934 | // Make sure there's no overlap between holder and object registers. |
| 935 | ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
| 936 | ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) |
| 937 | && !scratch2.is(scratch1)); |
| 938 | |
| 939 | // Keep track of the current object in register reg. |
| 940 | Register reg = object_reg; |
| 941 | Handle<JSObject> current = object; |
| 942 | int depth = 0; |
| 943 | |
| 944 | if (save_at_depth == depth) { |
| 945 | __ mov(Operand(esp, kPointerSize), reg); |
| 946 | } |
| 947 | |
| 948 | // Traverse the prototype chain and check the maps in the prototype chain for |
| 949 | // fast and global objects or do negative lookup for normal objects. |
| 950 | while (!current.is_identical_to(holder)) { |
| 951 | ++depth; |
| 952 | |
| 953 | // Only global objects and objects that do not require access |
| 954 | // checks are allowed in stubs. |
| 955 | ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded()); |
| 956 | |
| 957 | Handle<JSObject> prototype(JSObject::cast(current->GetPrototype())); |
| 958 | if (!current->HasFastProperties() && |
| 959 | !current->IsJSGlobalObject() && |
| 960 | !current->IsJSGlobalProxy()) { |
| 961 | if (!name->IsSymbol()) { |
| 962 | name = factory()->LookupSymbol(name); |
| 963 | } |
| 964 | ASSERT(current->property_dictionary()->FindEntry(*name) == |
| 965 | StringDictionary::kNotFound); |
| 966 | |
| 967 | GenerateDictionaryNegativeLookup(masm(), miss, reg, name, |
| 968 | scratch1, scratch2); |
| 969 | |
| 970 | __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
| 971 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 972 | __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 973 | } else { |
| 974 | bool in_new_space = heap()->InNewSpace(*prototype); |
| 975 | Handle<Map> current_map(current->map()); |
| 976 | if (in_new_space) { |
| 977 | // Save the map in scratch1 for later. |
| 978 | __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 979 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 980 | __ CheckMap(reg, current_map, miss, DONT_DO_SMI_CHECK, |
| 981 | ALLOW_ELEMENT_TRANSITION_MAPS); |
| 982 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 983 | // Check access rights to the global object. This has to happen after |
| 984 | // the map check so that we know that the object is actually a global |
| 985 | // object. |
| 986 | if (current->IsJSGlobalProxy()) { |
| 987 | __ CheckAccessGlobalProxy(reg, scratch2, miss); |
| 988 | } |
| 989 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 990 | |
| 991 | if (in_new_space) { |
| 992 | // The prototype is in new space; we cannot store a reference to it |
| 993 | // in the code. Load it from the map. |
| 994 | __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 995 | } else { |
| 996 | // The prototype is in old space; load it directly. |
| 997 | __ mov(reg, prototype); |
| 998 | } |
| 999 | } |
| 1000 | |
| 1001 | if (save_at_depth == depth) { |
| 1002 | __ mov(Operand(esp, kPointerSize), reg); |
| 1003 | } |
| 1004 | |
| 1005 | // Go to the next object in the prototype chain. |
| 1006 | current = prototype; |
| 1007 | } |
| 1008 | ASSERT(current.is_identical_to(holder)); |
| 1009 | |
| 1010 | // Log the check depth. |
| 1011 | LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
| 1012 | |
| 1013 | // Check the holder map. |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1014 | __ CheckMap(reg, Handle<Map>(holder->map()), |
| 1015 | miss, DONT_DO_SMI_CHECK, ALLOW_ELEMENT_TRANSITION_MAPS); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1016 | |
| 1017 | // Perform security check for access to the global object. |
| 1018 | ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded()); |
| 1019 | if (holder->IsJSGlobalProxy()) { |
| 1020 | __ CheckAccessGlobalProxy(reg, scratch1, miss); |
| 1021 | } |
| 1022 | |
| 1023 | // If we've skipped any global objects, it's not enough to verify that |
| 1024 | // their maps haven't changed. We also need to check that the property |
| 1025 | // cell for the property is still empty. |
| 1026 | GenerateCheckPropertyCells(masm(), object, holder, name, scratch1, miss); |
| 1027 | |
| 1028 | // Return the register containing the holder. |
| 1029 | return reg; |
| 1030 | } |
| 1031 | |
| 1032 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1033 | void StubCompiler::GenerateLoadField(Handle<JSObject> object, |
| 1034 | Handle<JSObject> holder, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1035 | Register receiver, |
| 1036 | Register scratch1, |
| 1037 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1038 | Register scratch3, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1039 | int index, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1040 | Handle<String> name, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1041 | Label* miss) { |
| 1042 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1043 | __ JumpIfSmi(receiver, miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1044 | |
| 1045 | // Check the prototype chain. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1046 | Register reg = CheckPrototypes( |
| 1047 | object, receiver, holder, scratch1, scratch2, scratch3, name, miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1048 | |
| 1049 | // Get the value from the properties. |
| 1050 | GenerateFastPropertyLoad(masm(), eax, reg, holder, index); |
| 1051 | __ ret(0); |
| 1052 | } |
| 1053 | |
| 1054 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1055 | void StubCompiler::GenerateLoadCallback(Handle<JSObject> object, |
| 1056 | Handle<JSObject> holder, |
| 1057 | Register receiver, |
| 1058 | Register name_reg, |
| 1059 | Register scratch1, |
| 1060 | Register scratch2, |
| 1061 | Register scratch3, |
| 1062 | Handle<AccessorInfo> callback, |
| 1063 | Handle<String> name, |
| 1064 | Label* miss) { |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1065 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1066 | __ JumpIfSmi(receiver, miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1067 | |
| 1068 | // Check that the maps haven't changed. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1069 | Register reg = CheckPrototypes(object, receiver, holder, scratch1, |
| 1070 | scratch2, scratch3, name, miss); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1071 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1072 | // Insert additional parameters into the stack frame above return address. |
| 1073 | ASSERT(!scratch3.is(reg)); |
| 1074 | __ pop(scratch3); // Get return address to place it below. |
| 1075 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1076 | __ push(receiver); // receiver |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1077 | __ mov(scratch2, esp); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1078 | ASSERT(!scratch2.is(reg)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1079 | __ push(reg); // holder |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1080 | // Push data from AccessorInfo. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1081 | if (isolate()->heap()->InNewSpace(callback->data())) { |
| 1082 | __ mov(scratch1, Immediate(callback)); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1083 | __ push(FieldOperand(scratch1, AccessorInfo::kDataOffset)); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1084 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1085 | __ push(Immediate(Handle<Object>(callback->data()))); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1086 | } |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1087 | __ push(Immediate(reinterpret_cast<int>(isolate()))); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1088 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1089 | // Save a pointer to where we pushed the arguments pointer. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1090 | // This will be passed as the const AccessorInfo& to the C++ callback. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1091 | __ push(scratch2); |
| 1092 | |
| 1093 | __ push(name_reg); // name |
| 1094 | __ mov(ebx, esp); // esp points to reference to name (handler). |
| 1095 | |
| 1096 | __ push(scratch3); // Restore return address. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1097 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1098 | // 4 elements array for v8::Arguments::values_, handler for name and pointer |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1099 | // to the values (it considered as smi in GC). |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1100 | const int kStackSpace = 6; |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1101 | const int kApiArgc = 2; |
| 1102 | |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 1103 | __ PrepareCallApiFunction(kApiArgc); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1104 | __ mov(ApiParameterOperand(0), ebx); // name. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1105 | __ add(ebx, Immediate(kPointerSize)); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1106 | __ mov(ApiParameterOperand(1), ebx); // arguments pointer. |
| 1107 | |
kmillikin@chromium.org | 2d5475f | 2009-12-20 18:15:52 +0000 | [diff] [blame] | 1108 | // Emitting a stub call may try to allocate (if the code is not |
| 1109 | // already generated). Do not allow the assembler to perform a |
| 1110 | // garbage collection but instead return the allocation failure |
| 1111 | // object. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1112 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 1113 | __ CallApiFunctionAndReturn(getter_address, kStackSpace); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1114 | } |
| 1115 | |
| 1116 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1117 | void StubCompiler::GenerateLoadConstant(Handle<JSObject> object, |
| 1118 | Handle<JSObject> holder, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1119 | Register receiver, |
| 1120 | Register scratch1, |
| 1121 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1122 | Register scratch3, |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1123 | Handle<JSFunction> value, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1124 | Handle<String> name, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1125 | Label* miss) { |
| 1126 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1127 | __ JumpIfSmi(receiver, miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1128 | |
| 1129 | // Check that the maps haven't changed. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1130 | CheckPrototypes( |
| 1131 | object, receiver, holder, scratch1, scratch2, scratch3, name, miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1132 | |
| 1133 | // Return the constant value. |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1134 | __ LoadHeapObject(eax, value); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1135 | __ ret(0); |
| 1136 | } |
| 1137 | |
| 1138 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1139 | void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object, |
| 1140 | Handle<JSObject> interceptor_holder, |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1141 | LookupResult* lookup, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1142 | Register receiver, |
| 1143 | Register name_reg, |
| 1144 | Register scratch1, |
| 1145 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1146 | Register scratch3, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1147 | Handle<String> name, |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1148 | Label* miss) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1149 | ASSERT(interceptor_holder->HasNamedInterceptor()); |
| 1150 | ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 1151 | |
| 1152 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1153 | __ JumpIfSmi(receiver, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1154 | |
| 1155 | // So far the most popular follow ups for interceptor loads are FIELD |
| 1156 | // and CALLBACKS, so inline only them, other cases may be added |
| 1157 | // later. |
| 1158 | bool compile_followup_inline = false; |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1159 | if (lookup->IsFound() && lookup->IsCacheable()) { |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1160 | if (lookup->IsField()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1161 | compile_followup_inline = true; |
| 1162 | } else if (lookup->type() == CALLBACKS && |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1163 | lookup->GetCallbackObject()->IsAccessorInfo()) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1164 | AccessorInfo* callback = AccessorInfo::cast(lookup->GetCallbackObject()); |
| 1165 | compile_followup_inline = callback->getter() != NULL && |
| 1166 | callback->IsCompatibleReceiver(*object); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | if (compile_followup_inline) { |
| 1171 | // Compile the interceptor call, followed by inline code to load the |
| 1172 | // property from further up the prototype chain if the call fails. |
| 1173 | // Check that the maps haven't changed. |
| 1174 | Register holder_reg = CheckPrototypes(object, receiver, interceptor_holder, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1175 | scratch1, scratch2, scratch3, |
| 1176 | name, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1177 | ASSERT(holder_reg.is(receiver) || holder_reg.is(scratch1)); |
| 1178 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1179 | // Preserve the receiver register explicitly whenever it is different from |
| 1180 | // the holder and it is needed should the interceptor return without any |
| 1181 | // result. The CALLBACKS case needs the receiver to be passed into C++ code, |
| 1182 | // the FIELD case might cause a miss during the prototype check. |
| 1183 | bool must_perfrom_prototype_check = *interceptor_holder != lookup->holder(); |
| 1184 | bool must_preserve_receiver_reg = !receiver.is(holder_reg) && |
| 1185 | (lookup->type() == CALLBACKS || must_perfrom_prototype_check); |
| 1186 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1187 | // Save necessary data before invoking an interceptor. |
| 1188 | // Requires a frame to make GC aware of pushed pointers. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1189 | { |
| 1190 | FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1191 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1192 | if (must_preserve_receiver_reg) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1193 | __ push(receiver); |
| 1194 | } |
| 1195 | __ push(holder_reg); |
| 1196 | __ push(name_reg); |
| 1197 | |
| 1198 | // Invoke an interceptor. Note: map checks from receiver to |
| 1199 | // interceptor's holder has been compiled before (see a caller |
| 1200 | // of this method.) |
| 1201 | CompileCallLoadPropertyWithInterceptor(masm(), |
| 1202 | receiver, |
| 1203 | holder_reg, |
| 1204 | name_reg, |
| 1205 | interceptor_holder); |
| 1206 | |
| 1207 | // Check if interceptor provided a value for property. If it's |
| 1208 | // the case, return immediately. |
| 1209 | Label interceptor_failed; |
| 1210 | __ cmp(eax, factory()->no_interceptor_result_sentinel()); |
| 1211 | __ j(equal, &interceptor_failed); |
| 1212 | frame_scope.GenerateLeaveFrame(); |
| 1213 | __ ret(0); |
| 1214 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1215 | // Clobber registers when generating debug-code to provoke errors. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1216 | __ bind(&interceptor_failed); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1217 | if (FLAG_debug_code) { |
| 1218 | __ mov(receiver, Immediate(BitCast<int32_t>(kZapValue))); |
| 1219 | __ mov(holder_reg, Immediate(BitCast<int32_t>(kZapValue))); |
| 1220 | __ mov(name_reg, Immediate(BitCast<int32_t>(kZapValue))); |
| 1221 | } |
| 1222 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1223 | __ pop(name_reg); |
| 1224 | __ pop(holder_reg); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1225 | if (must_preserve_receiver_reg) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1226 | __ pop(receiver); |
| 1227 | } |
| 1228 | |
| 1229 | // Leave the internal frame. |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1230 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1231 | |
| 1232 | // Check that the maps from interceptor's holder to lookup's holder |
| 1233 | // haven't changed. And load lookup's holder into holder_reg. |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1234 | if (must_perfrom_prototype_check) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1235 | holder_reg = CheckPrototypes(interceptor_holder, |
| 1236 | holder_reg, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1237 | Handle<JSObject>(lookup->holder()), |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1238 | scratch1, |
| 1239 | scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1240 | scratch3, |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1241 | name, |
| 1242 | miss); |
| 1243 | } |
| 1244 | |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1245 | if (lookup->IsField()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1246 | // We found FIELD property in prototype chain of interceptor's holder. |
| 1247 | // Retrieve a field from field's holder. |
| 1248 | GenerateFastPropertyLoad(masm(), eax, holder_reg, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1249 | Handle<JSObject>(lookup->holder()), |
| 1250 | lookup->GetFieldIndex()); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1251 | __ ret(0); |
| 1252 | } else { |
| 1253 | // We found CALLBACKS property in prototype chain of interceptor's |
| 1254 | // holder. |
| 1255 | ASSERT(lookup->type() == CALLBACKS); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1256 | Handle<AccessorInfo> callback( |
| 1257 | AccessorInfo::cast(lookup->GetCallbackObject())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1258 | ASSERT(callback->getter() != NULL); |
| 1259 | |
| 1260 | // Tail call to runtime. |
| 1261 | // Important invariant in CALLBACKS case: the code above must be |
| 1262 | // structured to never clobber |receiver| register. |
| 1263 | __ pop(scratch2); // return address |
| 1264 | __ push(receiver); |
| 1265 | __ push(holder_reg); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1266 | __ mov(holder_reg, Immediate(callback)); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1267 | __ push(FieldOperand(holder_reg, AccessorInfo::kDataOffset)); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1268 | __ push(Immediate(reinterpret_cast<int>(isolate()))); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 1269 | __ push(holder_reg); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1270 | __ push(name_reg); |
| 1271 | __ push(scratch2); // restore return address |
| 1272 | |
| 1273 | ExternalReference ref = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1274 | ExternalReference(IC_Utility(IC::kLoadCallbackProperty), |
| 1275 | masm()->isolate()); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1276 | __ TailCallExternalReference(ref, 6, 1); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1277 | } |
| 1278 | } else { // !compile_followup_inline |
| 1279 | // Call the runtime system to load the interceptor. |
| 1280 | // Check that the maps haven't changed. |
| 1281 | Register holder_reg = |
| 1282 | CheckPrototypes(object, receiver, interceptor_holder, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1283 | scratch1, scratch2, scratch3, name, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1284 | __ pop(scratch2); // save old return address |
| 1285 | PushInterceptorArguments(masm(), receiver, holder_reg, |
| 1286 | name_reg, interceptor_holder); |
| 1287 | __ push(scratch2); // restore old return address |
| 1288 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1289 | ExternalReference ref = |
| 1290 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1291 | isolate()); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1292 | __ TailCallExternalReference(ref, 6, 1); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1293 | } |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1294 | } |
| 1295 | |
| 1296 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1297 | void CallStubCompiler::GenerateNameCheck(Handle<String> name, Label* miss) { |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1298 | if (kind_ == Code::KEYED_CALL_IC) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1299 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1300 | __ j(not_equal, miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1305 | void CallStubCompiler::GenerateGlobalReceiverCheck(Handle<JSObject> object, |
| 1306 | Handle<JSObject> holder, |
| 1307 | Handle<String> name, |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1308 | Label* miss) { |
| 1309 | ASSERT(holder->IsGlobalObject()); |
| 1310 | |
| 1311 | // Get the number of arguments. |
| 1312 | const int argc = arguments().immediate(); |
| 1313 | |
| 1314 | // Get the receiver from the stack. |
| 1315 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1316 | |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1317 | |
| 1318 | // Check that the maps haven't changed. |
mstarzinger@chromium.org | 3233d2f | 2012-03-14 11:16:03 +0000 | [diff] [blame] | 1319 | __ JumpIfSmi(edx, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1320 | CheckPrototypes(object, edx, holder, ebx, eax, edi, name, miss); |
| 1321 | } |
| 1322 | |
| 1323 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1324 | void CallStubCompiler::GenerateLoadFunctionFromCell( |
| 1325 | Handle<JSGlobalPropertyCell> cell, |
| 1326 | Handle<JSFunction> function, |
| 1327 | Label* miss) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1328 | // Get the value from the cell. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1329 | if (Serializer::enabled()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1330 | __ mov(edi, Immediate(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1331 | __ mov(edi, FieldOperand(edi, JSGlobalPropertyCell::kValueOffset)); |
| 1332 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1333 | __ mov(edi, Operand::Cell(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1334 | } |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1335 | |
| 1336 | // Check that the cell contains the same function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1337 | if (isolate()->heap()->InNewSpace(*function)) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1338 | // We can't embed a pointer to a function in new space so we have |
| 1339 | // to verify that the shared function info is unchanged. This has |
| 1340 | // the nice side effect that multiple closures based on the same |
| 1341 | // function can all use this call IC. Before we load through the |
| 1342 | // function, we have to verify that it still is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1343 | __ JumpIfSmi(edi, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1344 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1345 | __ j(not_equal, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1346 | |
| 1347 | // Check the shared function info. Make sure it hasn't changed. |
| 1348 | __ cmp(FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset), |
| 1349 | Immediate(Handle<SharedFunctionInfo>(function->shared()))); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1350 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1351 | __ cmp(edi, Immediate(function)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1352 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1353 | __ j(not_equal, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1354 | } |
| 1355 | |
| 1356 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1357 | void CallStubCompiler::GenerateMissBranch() { |
| 1358 | Handle<Code> code = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1359 | isolate()->stub_cache()->ComputeCallMiss(arguments().immediate(), |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1360 | kind_, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1361 | extra_state_); |
| 1362 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 1363 | } |
| 1364 | |
| 1365 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1366 | Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object, |
| 1367 | Handle<JSObject> holder, |
| 1368 | int index, |
| 1369 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1370 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 1371 | // -- ecx : name |
| 1372 | // -- esp[0] : return address |
| 1373 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1374 | // -- ... |
| 1375 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1376 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1377 | Label miss; |
| 1378 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1379 | GenerateNameCheck(name, &miss); |
| 1380 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1381 | // Get the receiver from the stack. |
| 1382 | const int argc = arguments().immediate(); |
| 1383 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1384 | |
| 1385 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1386 | __ JumpIfSmi(edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1387 | |
| 1388 | // Do the right check and compute the holder register. |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1389 | Register reg = CheckPrototypes(object, edx, holder, ebx, eax, edi, |
| 1390 | name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1391 | |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 1392 | GenerateFastPropertyLoad(masm(), edi, reg, holder, index); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1393 | |
| 1394 | // Check that the function really is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1395 | __ JumpIfSmi(edi, &miss); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1396 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1397 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1398 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1399 | // Patch the receiver on the stack with the global proxy if |
| 1400 | // necessary. |
| 1401 | if (object->IsGlobalObject()) { |
| 1402 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 1403 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 1404 | } |
| 1405 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1406 | // Invoke the function. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1407 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1408 | ? CALL_AS_FUNCTION |
| 1409 | : CALL_AS_METHOD; |
| 1410 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION, |
| 1411 | NullCallWrapper(), call_kind); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1412 | |
| 1413 | // Handle call cache miss. |
| 1414 | __ bind(&miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1415 | GenerateMissBranch(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1416 | |
| 1417 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 1418 | return GetCode(Code::FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1422 | Handle<Code> CallStubCompiler::CompileArrayPushCall( |
| 1423 | Handle<Object> object, |
| 1424 | Handle<JSObject> holder, |
| 1425 | Handle<JSGlobalPropertyCell> cell, |
| 1426 | Handle<JSFunction> function, |
| 1427 | Handle<String> name) { |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1428 | // ----------- S t a t e ------------- |
| 1429 | // -- ecx : name |
| 1430 | // -- esp[0] : return address |
| 1431 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1432 | // -- ... |
| 1433 | // -- esp[(argc + 1) * 4] : receiver |
| 1434 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1435 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1436 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1437 | if (!object->IsJSArray() || !cell.is_null()) { |
| 1438 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1439 | } |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1440 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1441 | Label miss; |
| 1442 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1443 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1444 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1445 | // Get the receiver from the stack. |
| 1446 | const int argc = arguments().immediate(); |
| 1447 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1448 | |
| 1449 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1450 | __ JumpIfSmi(edx, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1451 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1452 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 1453 | name, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1454 | |
| 1455 | if (argc == 0) { |
| 1456 | // Noop, return the length. |
| 1457 | __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
| 1458 | __ ret((argc + 1) * kPointerSize); |
| 1459 | } else { |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1460 | Label call_builtin; |
| 1461 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1462 | if (argc == 1) { // Otherwise fall through to call builtin. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1463 | Label attempt_to_grow_elements, with_write_barrier; |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1464 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1465 | // Get the elements array of the object. |
| 1466 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1467 | |
| 1468 | // Check that the elements are in fast mode and writable. |
| 1469 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 1470 | Immediate(factory()->fixed_array_map())); |
| 1471 | __ j(not_equal, &call_builtin); |
| 1472 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1473 | // Get the array's length into eax and calculate new length. |
| 1474 | __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
| 1475 | STATIC_ASSERT(kSmiTagSize == 1); |
| 1476 | STATIC_ASSERT(kSmiTag == 0); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1477 | __ add(eax, Immediate(Smi::FromInt(argc))); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1478 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1479 | // Get the elements' length into ecx. |
| 1480 | __ mov(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1481 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1482 | // Check if we could survive without allocation. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1483 | __ cmp(eax, ecx); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1484 | __ j(greater, &attempt_to_grow_elements); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1485 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1486 | // Check if value is a smi. |
| 1487 | __ mov(ecx, Operand(esp, argc * kPointerSize)); |
| 1488 | __ JumpIfNotSmi(ecx, &with_write_barrier); |
| 1489 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1490 | // Save new length. |
| 1491 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1492 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1493 | // Store the value. |
| 1494 | __ mov(FieldOperand(edi, |
| 1495 | eax, |
| 1496 | times_half_pointer_size, |
| 1497 | FixedArray::kHeaderSize - argc * kPointerSize), |
| 1498 | ecx); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1499 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1500 | __ ret((argc + 1) * kPointerSize); |
| 1501 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1502 | __ bind(&with_write_barrier); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1503 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1504 | __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 1505 | |
| 1506 | if (FLAG_smi_only_arrays && !FLAG_trace_elements_transitions) { |
| 1507 | Label fast_object, not_fast_object; |
| 1508 | __ CheckFastObjectElements(ebx, ¬_fast_object, Label::kNear); |
| 1509 | __ jmp(&fast_object); |
| 1510 | // In case of fast smi-only, convert to fast object, otherwise bail out. |
| 1511 | __ bind(¬_fast_object); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1512 | __ CheckFastSmiElements(ebx, &call_builtin); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1513 | // edi: elements array |
| 1514 | // edx: receiver |
| 1515 | // ebx: map |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1516 | Label try_holey_map; |
| 1517 | __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1518 | FAST_ELEMENTS, |
| 1519 | ebx, |
| 1520 | edi, |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1521 | &try_holey_map); |
| 1522 | |
| 1523 | ElementsTransitionGenerator:: |
| 1524 | GenerateMapChangeElementsTransition(masm()); |
| 1525 | // Restore edi. |
| 1526 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1527 | __ jmp(&fast_object); |
| 1528 | |
| 1529 | __ bind(&try_holey_map); |
| 1530 | __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS, |
| 1531 | FAST_HOLEY_ELEMENTS, |
| 1532 | ebx, |
| 1533 | edi, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1534 | &call_builtin); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1535 | ElementsTransitionGenerator:: |
| 1536 | GenerateMapChangeElementsTransition(masm()); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1537 | // Restore edi. |
| 1538 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1539 | __ bind(&fast_object); |
| 1540 | } else { |
| 1541 | __ CheckFastObjectElements(ebx, &call_builtin); |
| 1542 | } |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1543 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1544 | // Save new length. |
| 1545 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1546 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1547 | // Store the value. |
| 1548 | __ lea(edx, FieldOperand(edi, |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1549 | eax, times_half_pointer_size, |
| 1550 | FixedArray::kHeaderSize - argc * kPointerSize)); |
| 1551 | __ mov(Operand(edx, 0), ecx); |
| 1552 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1553 | __ RecordWrite(edi, edx, ecx, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1554 | OMIT_SMI_CHECK); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1555 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1556 | __ ret((argc + 1) * kPointerSize); |
| 1557 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1558 | __ bind(&attempt_to_grow_elements); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1559 | if (!FLAG_inline_new) { |
| 1560 | __ jmp(&call_builtin); |
| 1561 | } |
| 1562 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1563 | __ mov(ebx, Operand(esp, argc * kPointerSize)); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1564 | // Growing elements that are SMI-only requires special handling in case |
| 1565 | // the new element is non-Smi. For now, delegate to the builtin. |
| 1566 | Label no_fast_elements_check; |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1567 | __ JumpIfSmi(ebx, &no_fast_elements_check); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1568 | __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 1569 | __ CheckFastObjectElements(ecx, &call_builtin, Label::kFar); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1570 | __ bind(&no_fast_elements_check); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1571 | |
| 1572 | // We could be lucky and the elements array could be at the top of |
| 1573 | // new-space. In this case we can just grow it in place by moving the |
| 1574 | // allocation pointer up. |
| 1575 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1576 | ExternalReference new_space_allocation_top = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1577 | ExternalReference::new_space_allocation_top_address(isolate()); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1578 | ExternalReference new_space_allocation_limit = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1579 | ExternalReference::new_space_allocation_limit_address(isolate()); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1580 | |
| 1581 | const int kAllocationDelta = 4; |
| 1582 | // Load top. |
| 1583 | __ mov(ecx, Operand::StaticVariable(new_space_allocation_top)); |
| 1584 | |
| 1585 | // Check if it's the end of elements. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1586 | __ lea(edx, FieldOperand(edi, |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1587 | eax, times_half_pointer_size, |
| 1588 | FixedArray::kHeaderSize - argc * kPointerSize)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1589 | __ cmp(edx, ecx); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1590 | __ j(not_equal, &call_builtin); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1591 | __ add(ecx, Immediate(kAllocationDelta * kPointerSize)); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1592 | __ cmp(ecx, Operand::StaticVariable(new_space_allocation_limit)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1593 | __ j(above, &call_builtin); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1594 | |
| 1595 | // We fit and could grow elements. |
| 1596 | __ mov(Operand::StaticVariable(new_space_allocation_top), ecx); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1597 | |
| 1598 | // Push the argument... |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1599 | __ mov(Operand(edx, 0), ebx); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1600 | // ... and fill the rest with holes. |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1601 | for (int i = 1; i < kAllocationDelta; i++) { |
| 1602 | __ mov(Operand(edx, i * kPointerSize), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1603 | Immediate(factory()->the_hole_value())); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1604 | } |
| 1605 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1606 | // We know the elements array is in new space so we don't need the |
| 1607 | // remembered set, but we just pushed a value onto it so we may have to |
| 1608 | // tell the incremental marker to rescan the object that we just grew. We |
| 1609 | // don't need to worry about the holes because they are in old space and |
| 1610 | // already marked black. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1611 | __ RecordWrite(edi, edx, ebx, kDontSaveFPRegs, OMIT_REMEMBERED_SET); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1612 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1613 | // Restore receiver to edx as finish sequence assumes it's here. |
| 1614 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1615 | |
| 1616 | // Increment element's and array's sizes. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1617 | __ add(FieldOperand(edi, FixedArray::kLengthOffset), |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1618 | Immediate(Smi::FromInt(kAllocationDelta))); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1619 | |
| 1620 | // NOTE: This only happen in new-space, where we don't |
| 1621 | // care about the black-byte-count on pages. Otherwise we should |
| 1622 | // update that too if the object is black. |
| 1623 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1624 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1625 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1626 | __ ret((argc + 1) * kPointerSize); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1627 | } |
| 1628 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1629 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1630 | __ TailCallExternalReference( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1631 | ExternalReference(Builtins::c_ArrayPush, isolate()), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1632 | argc + 1, |
| 1633 | 1); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1637 | GenerateMissBranch(); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1638 | |
| 1639 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1640 | return GetCode(function); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1641 | } |
| 1642 | |
| 1643 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1644 | Handle<Code> CallStubCompiler::CompileArrayPopCall( |
| 1645 | Handle<Object> object, |
| 1646 | Handle<JSObject> holder, |
| 1647 | Handle<JSGlobalPropertyCell> cell, |
| 1648 | Handle<JSFunction> function, |
| 1649 | Handle<String> name) { |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1650 | // ----------- S t a t e ------------- |
| 1651 | // -- ecx : name |
| 1652 | // -- esp[0] : return address |
| 1653 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1654 | // -- ... |
| 1655 | // -- esp[(argc + 1) * 4] : receiver |
| 1656 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1657 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1658 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1659 | if (!object->IsJSArray() || !cell.is_null()) { |
| 1660 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1661 | } |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1662 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1663 | Label miss, return_undefined, call_builtin; |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1664 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1665 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1666 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1667 | // Get the receiver from the stack. |
| 1668 | const int argc = arguments().immediate(); |
| 1669 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1670 | |
| 1671 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1672 | __ JumpIfSmi(edx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1673 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 1674 | name, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1675 | |
| 1676 | // Get the elements array of the object. |
| 1677 | __ mov(ebx, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1678 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1679 | // Check that the elements are in fast mode and writable. |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1680 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1681 | Immediate(factory()->fixed_array_map())); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1682 | __ j(not_equal, &call_builtin); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1683 | |
| 1684 | // Get the array's length into ecx and calculate new length. |
| 1685 | __ mov(ecx, FieldOperand(edx, JSArray::kLengthOffset)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1686 | __ sub(ecx, Immediate(Smi::FromInt(1))); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1687 | __ j(negative, &return_undefined); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1688 | |
| 1689 | // Get the last element. |
| 1690 | STATIC_ASSERT(kSmiTagSize == 1); |
| 1691 | STATIC_ASSERT(kSmiTag == 0); |
| 1692 | __ mov(eax, FieldOperand(ebx, |
| 1693 | ecx, times_half_pointer_size, |
| 1694 | FixedArray::kHeaderSize)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1695 | __ cmp(eax, Immediate(factory()->the_hole_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1696 | __ j(equal, &call_builtin); |
| 1697 | |
| 1698 | // Set the array's length. |
| 1699 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), ecx); |
| 1700 | |
| 1701 | // Fill with the hole. |
| 1702 | __ mov(FieldOperand(ebx, |
| 1703 | ecx, times_half_pointer_size, |
| 1704 | FixedArray::kHeaderSize), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1705 | Immediate(factory()->the_hole_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1706 | __ ret((argc + 1) * kPointerSize); |
| 1707 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1708 | __ bind(&return_undefined); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1709 | __ mov(eax, Immediate(factory()->undefined_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1710 | __ ret((argc + 1) * kPointerSize); |
| 1711 | |
| 1712 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1713 | __ TailCallExternalReference( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1714 | ExternalReference(Builtins::c_ArrayPop, isolate()), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1715 | argc + 1, |
| 1716 | 1); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1717 | |
| 1718 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1719 | GenerateMissBranch(); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1720 | |
| 1721 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1722 | return GetCode(function); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1723 | } |
| 1724 | |
| 1725 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1726 | Handle<Code> CallStubCompiler::CompileStringCharCodeAtCall( |
| 1727 | Handle<Object> object, |
| 1728 | Handle<JSObject> holder, |
| 1729 | Handle<JSGlobalPropertyCell> cell, |
| 1730 | Handle<JSFunction> function, |
| 1731 | Handle<String> name) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1732 | // ----------- S t a t e ------------- |
| 1733 | // -- ecx : function name |
| 1734 | // -- esp[0] : return address |
| 1735 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1736 | // -- ... |
| 1737 | // -- esp[(argc + 1) * 4] : receiver |
| 1738 | // ----------------------------------- |
| 1739 | |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 1740 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1741 | if (!object->IsString() || !cell.is_null()) { |
| 1742 | return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1743 | } |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 1744 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1745 | const int argc = arguments().immediate(); |
| 1746 | |
| 1747 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1748 | Label name_miss; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1749 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1750 | Label* index_out_of_range_label = &index_out_of_range; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1751 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1752 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1753 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1754 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1755 | index_out_of_range_label = &miss; |
| 1756 | } |
| 1757 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1758 | GenerateNameCheck(name, &name_miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1759 | |
| 1760 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1761 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 1762 | Context::STRING_FUNCTION_INDEX, |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1763 | eax, |
| 1764 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1765 | ASSERT(!object.is_identical_to(holder)); |
| 1766 | CheckPrototypes(Handle<JSObject>(JSObject::cast(object->GetPrototype())), |
| 1767 | eax, holder, ebx, edx, edi, name, &miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1768 | |
| 1769 | Register receiver = ebx; |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1770 | Register index = edi; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1771 | Register result = eax; |
| 1772 | __ mov(receiver, Operand(esp, (argc + 1) * kPointerSize)); |
| 1773 | if (argc > 0) { |
| 1774 | __ mov(index, Operand(esp, (argc - 0) * kPointerSize)); |
| 1775 | } else { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1776 | __ Set(index, Immediate(factory()->undefined_value())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1777 | } |
| 1778 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1779 | StringCharCodeAtGenerator generator(receiver, |
| 1780 | index, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1781 | result, |
| 1782 | &miss, // When not a string. |
| 1783 | &miss, // When not a number. |
| 1784 | index_out_of_range_label, |
| 1785 | STRING_INDEX_IS_NUMBER); |
| 1786 | generator.GenerateFast(masm()); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1787 | __ ret((argc + 1) * kPointerSize); |
| 1788 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1789 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1790 | generator.GenerateSlow(masm(), call_helper); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1791 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1792 | if (index_out_of_range.is_linked()) { |
| 1793 | __ bind(&index_out_of_range); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1794 | __ Set(eax, Immediate(factory()->nan_value())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1795 | __ ret((argc + 1) * kPointerSize); |
| 1796 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1797 | |
| 1798 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1799 | // Restore function name in ecx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1800 | __ Set(ecx, Immediate(name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1801 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1802 | GenerateMissBranch(); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1803 | |
| 1804 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1805 | return GetCode(function); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1806 | } |
| 1807 | |
| 1808 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1809 | Handle<Code> CallStubCompiler::CompileStringCharAtCall( |
| 1810 | Handle<Object> object, |
| 1811 | Handle<JSObject> holder, |
| 1812 | Handle<JSGlobalPropertyCell> cell, |
| 1813 | Handle<JSFunction> function, |
| 1814 | Handle<String> name) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1815 | // ----------- S t a t e ------------- |
| 1816 | // -- ecx : function name |
| 1817 | // -- esp[0] : return address |
| 1818 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1819 | // -- ... |
| 1820 | // -- esp[(argc + 1) * 4] : receiver |
| 1821 | // ----------------------------------- |
| 1822 | |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 1823 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1824 | if (!object->IsString() || !cell.is_null()) { |
| 1825 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1826 | } |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 1827 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1828 | const int argc = arguments().immediate(); |
| 1829 | |
| 1830 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1831 | Label name_miss; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1832 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1833 | Label* index_out_of_range_label = &index_out_of_range; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1834 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1835 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1836 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1837 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1838 | index_out_of_range_label = &miss; |
| 1839 | } |
| 1840 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1841 | GenerateNameCheck(name, &name_miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1842 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1843 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1844 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 1845 | Context::STRING_FUNCTION_INDEX, |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1846 | eax, |
| 1847 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1848 | ASSERT(!object.is_identical_to(holder)); |
| 1849 | CheckPrototypes(Handle<JSObject>(JSObject::cast(object->GetPrototype())), |
| 1850 | eax, holder, ebx, edx, edi, name, &miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1851 | |
| 1852 | Register receiver = eax; |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1853 | Register index = edi; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1854 | Register scratch = edx; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1855 | Register result = eax; |
| 1856 | __ mov(receiver, Operand(esp, (argc + 1) * kPointerSize)); |
| 1857 | if (argc > 0) { |
| 1858 | __ mov(index, Operand(esp, (argc - 0) * kPointerSize)); |
| 1859 | } else { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1860 | __ Set(index, Immediate(factory()->undefined_value())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1861 | } |
| 1862 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1863 | StringCharAtGenerator generator(receiver, |
| 1864 | index, |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1865 | scratch, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1866 | result, |
| 1867 | &miss, // When not a string. |
| 1868 | &miss, // When not a number. |
| 1869 | index_out_of_range_label, |
| 1870 | STRING_INDEX_IS_NUMBER); |
| 1871 | generator.GenerateFast(masm()); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1872 | __ ret((argc + 1) * kPointerSize); |
| 1873 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1874 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1875 | generator.GenerateSlow(masm(), call_helper); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1876 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1877 | if (index_out_of_range.is_linked()) { |
| 1878 | __ bind(&index_out_of_range); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1879 | __ Set(eax, Immediate(factory()->empty_string())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1880 | __ ret((argc + 1) * kPointerSize); |
| 1881 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1882 | |
| 1883 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1884 | // Restore function name in ecx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1885 | __ Set(ecx, Immediate(name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1886 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1887 | GenerateMissBranch(); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1888 | |
| 1889 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1890 | return GetCode(function); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1891 | } |
| 1892 | |
| 1893 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1894 | Handle<Code> CallStubCompiler::CompileStringFromCharCodeCall( |
| 1895 | Handle<Object> object, |
| 1896 | Handle<JSObject> holder, |
| 1897 | Handle<JSGlobalPropertyCell> cell, |
| 1898 | Handle<JSFunction> function, |
| 1899 | Handle<String> name) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1900 | // ----------- S t a t e ------------- |
| 1901 | // -- ecx : function name |
| 1902 | // -- esp[0] : return address |
| 1903 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1904 | // -- ... |
| 1905 | // -- esp[(argc + 1) * 4] : receiver |
| 1906 | // ----------------------------------- |
| 1907 | |
| 1908 | const int argc = arguments().immediate(); |
| 1909 | |
| 1910 | // If the object is not a JSObject or we got an unexpected number of |
| 1911 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1912 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1913 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1914 | } |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1915 | |
| 1916 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1917 | GenerateNameCheck(name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1918 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1919 | if (cell.is_null()) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1920 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1921 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1922 | __ JumpIfSmi(edx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1923 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 1924 | name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1925 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1926 | ASSERT(cell->value() == *function); |
| 1927 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 1928 | &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1929 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 1930 | } |
| 1931 | |
| 1932 | // Load the char code argument. |
| 1933 | Register code = ebx; |
| 1934 | __ mov(code, Operand(esp, 1 * kPointerSize)); |
| 1935 | |
| 1936 | // Check the code is a smi. |
| 1937 | Label slow; |
| 1938 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1939 | __ JumpIfNotSmi(code, &slow); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1940 | |
| 1941 | // Convert the smi code to uint16. |
| 1942 | __ and_(code, Immediate(Smi::FromInt(0xffff))); |
| 1943 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1944 | StringCharFromCodeGenerator generator(code, eax); |
| 1945 | generator.GenerateFast(masm()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1946 | __ ret(2 * kPointerSize); |
| 1947 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1948 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1949 | generator.GenerateSlow(masm(), call_helper); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1950 | |
| 1951 | // Tail call the full function. We do not have to patch the receiver |
| 1952 | // because the function makes no use of it. |
| 1953 | __ bind(&slow); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1954 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1955 | ? CALL_AS_FUNCTION |
| 1956 | : CALL_AS_METHOD; |
| 1957 | __ InvokeFunction(function, arguments(), JUMP_FUNCTION, |
| 1958 | NullCallWrapper(), call_kind); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1959 | |
| 1960 | __ bind(&miss); |
| 1961 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1962 | GenerateMissBranch(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1963 | |
| 1964 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 1965 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1966 | } |
| 1967 | |
| 1968 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1969 | Handle<Code> CallStubCompiler::CompileMathFloorCall( |
| 1970 | Handle<Object> object, |
| 1971 | Handle<JSObject> holder, |
| 1972 | Handle<JSGlobalPropertyCell> cell, |
| 1973 | Handle<JSFunction> function, |
| 1974 | Handle<String> name) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1975 | // ----------- S t a t e ------------- |
| 1976 | // -- ecx : name |
| 1977 | // -- esp[0] : return address |
| 1978 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1979 | // -- ... |
| 1980 | // -- esp[(argc + 1) * 4] : receiver |
| 1981 | // ----------------------------------- |
| 1982 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1983 | if (!CpuFeatures::IsSupported(SSE2)) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1984 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1985 | } |
| 1986 | |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1987 | CpuFeatures::Scope use_sse2(SSE2); |
| 1988 | |
| 1989 | const int argc = arguments().immediate(); |
| 1990 | |
| 1991 | // If the object is not a JSObject or we got an unexpected number of |
| 1992 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1993 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1994 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1995 | } |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1996 | |
| 1997 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1998 | GenerateNameCheck(name, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1999 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2000 | if (cell.is_null()) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2001 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
| 2002 | |
| 2003 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2004 | __ JumpIfSmi(edx, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2005 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2006 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2007 | name, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2008 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2009 | ASSERT(cell->value() == *function); |
| 2010 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2011 | &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2012 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2013 | } |
| 2014 | |
| 2015 | // Load the (only) argument into eax. |
| 2016 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2017 | |
| 2018 | // Check if the argument is a smi. |
| 2019 | Label smi; |
| 2020 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2021 | __ JumpIfSmi(eax, &smi); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2022 | |
| 2023 | // Check if the argument is a heap number and load its value into xmm0. |
| 2024 | Label slow; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2025 | __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2026 | __ movdbl(xmm0, FieldOperand(eax, HeapNumber::kValueOffset)); |
| 2027 | |
| 2028 | // Check if the argument is strictly positive. Note this also |
| 2029 | // discards NaN. |
| 2030 | __ xorpd(xmm1, xmm1); |
| 2031 | __ ucomisd(xmm0, xmm1); |
| 2032 | __ j(below_equal, &slow); |
| 2033 | |
| 2034 | // Do a truncating conversion. |
| 2035 | __ cvttsd2si(eax, Operand(xmm0)); |
| 2036 | |
| 2037 | // Check if the result fits into a smi. Note this also checks for |
| 2038 | // 0x80000000 which signals a failed conversion. |
| 2039 | Label wont_fit_into_smi; |
| 2040 | __ test(eax, Immediate(0xc0000000)); |
| 2041 | __ j(not_zero, &wont_fit_into_smi); |
| 2042 | |
| 2043 | // Smi tag and return. |
| 2044 | __ SmiTag(eax); |
| 2045 | __ bind(&smi); |
| 2046 | __ ret(2 * kPointerSize); |
| 2047 | |
| 2048 | // Check if the argument is < 2^kMantissaBits. |
| 2049 | Label already_round; |
| 2050 | __ bind(&wont_fit_into_smi); |
| 2051 | __ LoadPowerOf2(xmm1, ebx, HeapNumber::kMantissaBits); |
| 2052 | __ ucomisd(xmm0, xmm1); |
| 2053 | __ j(above_equal, &already_round); |
| 2054 | |
| 2055 | // Save a copy of the argument. |
| 2056 | __ movaps(xmm2, xmm0); |
| 2057 | |
| 2058 | // Compute (argument + 2^kMantissaBits) - 2^kMantissaBits. |
| 2059 | __ addsd(xmm0, xmm1); |
| 2060 | __ subsd(xmm0, xmm1); |
| 2061 | |
| 2062 | // Compare the argument and the tentative result to get the right mask: |
| 2063 | // if xmm2 < xmm0: |
| 2064 | // xmm2 = 1...1 |
| 2065 | // else: |
| 2066 | // xmm2 = 0...0 |
| 2067 | __ cmpltsd(xmm2, xmm0); |
| 2068 | |
| 2069 | // Subtract 1 if the argument was less than the tentative result. |
| 2070 | __ LoadPowerOf2(xmm1, ebx, 0); |
| 2071 | __ andpd(xmm1, xmm2); |
| 2072 | __ subsd(xmm0, xmm1); |
| 2073 | |
| 2074 | // Return a new heap number. |
| 2075 | __ AllocateHeapNumber(eax, ebx, edx, &slow); |
| 2076 | __ movdbl(FieldOperand(eax, HeapNumber::kValueOffset), xmm0); |
| 2077 | __ ret(2 * kPointerSize); |
| 2078 | |
| 2079 | // Return the argument (when it's an already round heap number). |
| 2080 | __ bind(&already_round); |
| 2081 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2082 | __ ret(2 * kPointerSize); |
| 2083 | |
| 2084 | // Tail call the full function. We do not have to patch the receiver |
| 2085 | // because the function makes no use of it. |
| 2086 | __ bind(&slow); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2087 | __ InvokeFunction(function, arguments(), JUMP_FUNCTION, |
| 2088 | NullCallWrapper(), CALL_AS_METHOD); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2089 | |
| 2090 | __ bind(&miss); |
| 2091 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2092 | GenerateMissBranch(); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2093 | |
| 2094 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2095 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2096 | } |
| 2097 | |
| 2098 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2099 | Handle<Code> CallStubCompiler::CompileMathAbsCall( |
| 2100 | Handle<Object> object, |
| 2101 | Handle<JSObject> holder, |
| 2102 | Handle<JSGlobalPropertyCell> cell, |
| 2103 | Handle<JSFunction> function, |
| 2104 | Handle<String> name) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2105 | // ----------- S t a t e ------------- |
| 2106 | // -- ecx : name |
| 2107 | // -- esp[0] : return address |
| 2108 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2109 | // -- ... |
| 2110 | // -- esp[(argc + 1) * 4] : receiver |
| 2111 | // ----------------------------------- |
| 2112 | |
| 2113 | const int argc = arguments().immediate(); |
| 2114 | |
| 2115 | // If the object is not a JSObject or we got an unexpected number of |
| 2116 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2117 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2118 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2119 | } |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2120 | |
| 2121 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2122 | GenerateNameCheck(name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2123 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2124 | if (cell.is_null()) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2125 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
| 2126 | |
| 2127 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2128 | __ JumpIfSmi(edx, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2129 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2130 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2131 | name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2132 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2133 | ASSERT(cell->value() == *function); |
| 2134 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2135 | &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2136 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2137 | } |
| 2138 | |
| 2139 | // Load the (only) argument into eax. |
| 2140 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2141 | |
| 2142 | // Check if the argument is a smi. |
| 2143 | Label not_smi; |
| 2144 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2145 | __ JumpIfNotSmi(eax, ¬_smi); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2146 | |
| 2147 | // Set ebx to 1...1 (== -1) if the argument is negative, or to 0...0 |
| 2148 | // otherwise. |
| 2149 | __ mov(ebx, eax); |
| 2150 | __ sar(ebx, kBitsPerInt - 1); |
| 2151 | |
| 2152 | // Do bitwise not or do nothing depending on ebx. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2153 | __ xor_(eax, ebx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2154 | |
| 2155 | // Add 1 or do nothing depending on ebx. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2156 | __ sub(eax, ebx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2157 | |
| 2158 | // If the result is still negative, go to the slow case. |
| 2159 | // This only happens for the most negative smi. |
| 2160 | Label slow; |
| 2161 | __ j(negative, &slow); |
| 2162 | |
| 2163 | // Smi case done. |
| 2164 | __ ret(2 * kPointerSize); |
| 2165 | |
| 2166 | // Check if the argument is a heap number and load its exponent and |
| 2167 | // sign into ebx. |
| 2168 | __ bind(¬_smi); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2169 | __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2170 | __ mov(ebx, FieldOperand(eax, HeapNumber::kExponentOffset)); |
| 2171 | |
| 2172 | // Check the sign of the argument. If the argument is positive, |
| 2173 | // just return it. |
| 2174 | Label negative_sign; |
| 2175 | __ test(ebx, Immediate(HeapNumber::kSignMask)); |
| 2176 | __ j(not_zero, &negative_sign); |
| 2177 | __ ret(2 * kPointerSize); |
| 2178 | |
| 2179 | // If the argument is negative, clear the sign, and return a new |
| 2180 | // number. |
| 2181 | __ bind(&negative_sign); |
| 2182 | __ and_(ebx, ~HeapNumber::kSignMask); |
| 2183 | __ mov(ecx, FieldOperand(eax, HeapNumber::kMantissaOffset)); |
| 2184 | __ AllocateHeapNumber(eax, edi, edx, &slow); |
| 2185 | __ mov(FieldOperand(eax, HeapNumber::kExponentOffset), ebx); |
| 2186 | __ mov(FieldOperand(eax, HeapNumber::kMantissaOffset), ecx); |
| 2187 | __ ret(2 * kPointerSize); |
| 2188 | |
| 2189 | // Tail call the full function. We do not have to patch the receiver |
| 2190 | // because the function makes no use of it. |
| 2191 | __ bind(&slow); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2192 | __ InvokeFunction(function, arguments(), JUMP_FUNCTION, |
| 2193 | NullCallWrapper(), CALL_AS_METHOD); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2194 | |
| 2195 | __ bind(&miss); |
| 2196 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2197 | GenerateMissBranch(); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2198 | |
| 2199 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2200 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2201 | } |
| 2202 | |
| 2203 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2204 | Handle<Code> CallStubCompiler::CompileFastApiCall( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2205 | const CallOptimization& optimization, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2206 | Handle<Object> object, |
| 2207 | Handle<JSObject> holder, |
| 2208 | Handle<JSGlobalPropertyCell> cell, |
| 2209 | Handle<JSFunction> function, |
| 2210 | Handle<String> name) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2211 | ASSERT(optimization.is_simple_api_call()); |
| 2212 | // Bail out if object is a global object as we don't want to |
| 2213 | // repatch it to global receiver. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2214 | if (object->IsGlobalObject()) return Handle<Code>::null(); |
| 2215 | if (!cell.is_null()) return Handle<Code>::null(); |
| 2216 | if (!object->IsJSObject()) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2217 | int depth = optimization.GetPrototypeDepthOfExpectedType( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2218 | Handle<JSObject>::cast(object), holder); |
| 2219 | if (depth == kInvalidProtoDepth) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2220 | |
| 2221 | Label miss, miss_before_stack_reserved; |
| 2222 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2223 | GenerateNameCheck(name, &miss_before_stack_reserved); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2224 | |
| 2225 | // Get the receiver from the stack. |
| 2226 | const int argc = arguments().immediate(); |
| 2227 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 2228 | |
| 2229 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2230 | __ JumpIfSmi(edx, &miss_before_stack_reserved); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2231 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2232 | Counters* counters = isolate()->counters(); |
| 2233 | __ IncrementCounter(counters->call_const(), 1); |
| 2234 | __ IncrementCounter(counters->call_const_fast_api(), 1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2235 | |
| 2236 | // Allocate space for v8::Arguments implicit values. Must be initialized |
| 2237 | // before calling any runtime function. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2238 | __ sub(esp, Immediate(kFastApiCallArguments * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2239 | |
| 2240 | // Check that the maps haven't changed and find a Holder as a side effect. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2241 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2242 | name, depth, &miss); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2243 | |
| 2244 | // Move the return address on top of the stack. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2245 | __ mov(eax, Operand(esp, 4 * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2246 | __ mov(Operand(esp, 0 * kPointerSize), eax); |
| 2247 | |
| 2248 | // esp[2 * kPointerSize] is uninitialized, esp[3 * kPointerSize] contains |
| 2249 | // duplicate of return address and will be overwritten. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2250 | GenerateFastApiCall(masm(), optimization, argc); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2251 | |
| 2252 | __ bind(&miss); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2253 | __ add(esp, Immediate(kFastApiCallArguments * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2254 | |
| 2255 | __ bind(&miss_before_stack_reserved); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2256 | GenerateMissBranch(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2257 | |
| 2258 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2259 | return GetCode(function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2260 | } |
| 2261 | |
| 2262 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2263 | Handle<Code> CallStubCompiler::CompileCallConstant(Handle<Object> object, |
| 2264 | Handle<JSObject> holder, |
| 2265 | Handle<JSFunction> function, |
| 2266 | Handle<String> name, |
| 2267 | CheckType check) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2268 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2269 | // -- ecx : name |
| 2270 | // -- esp[0] : return address |
| 2271 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2272 | // -- ... |
| 2273 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2274 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2275 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2276 | if (HasCustomCallGenerator(function)) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2277 | Handle<Code> code = CompileCustomCall(object, holder, |
| 2278 | Handle<JSGlobalPropertyCell>::null(), |
| 2279 | function, name); |
| 2280 | // A null handle means bail out to the regular compiler code below. |
| 2281 | if (!code.is_null()) return code; |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2282 | } |
| 2283 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2284 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2285 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2286 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2287 | // Get the receiver from the stack. |
| 2288 | const int argc = arguments().immediate(); |
| 2289 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 2290 | |
| 2291 | // Check that the receiver isn't a smi. |
| 2292 | if (check != NUMBER_CHECK) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2293 | __ JumpIfSmi(edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2294 | } |
| 2295 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2296 | // Make sure that it's okay not to patch the on stack receiver |
| 2297 | // unless we're doing a receiver map check. |
| 2298 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2299 | switch (check) { |
| 2300 | case RECEIVER_MAP_CHECK: |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2301 | __ IncrementCounter(isolate()->counters()->call_const(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2302 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2303 | // Check that the maps haven't changed. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2304 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, |
| 2305 | edi, name, &miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2306 | |
| 2307 | // Patch the receiver on the stack with the global proxy if |
| 2308 | // necessary. |
| 2309 | if (object->IsGlobalObject()) { |
| 2310 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2311 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2312 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2313 | break; |
| 2314 | |
| 2315 | case STRING_CHECK: |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 2316 | if (function->IsBuiltin() || !function->shared()->is_classic_mode()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2317 | // Check that the object is a string or a symbol. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2318 | __ CmpObjectType(edx, FIRST_NONSTRING_TYPE, eax); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2319 | __ j(above_equal, &miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2320 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2321 | GenerateDirectLoadGlobalFunctionPrototype( |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2322 | masm(), Context::STRING_FUNCTION_INDEX, eax, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2323 | CheckPrototypes( |
| 2324 | Handle<JSObject>(JSObject::cast(object->GetPrototype())), |
| 2325 | eax, holder, ebx, edx, edi, name, &miss); |
| 2326 | } else { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 2327 | // Calling non-strict non-builtins with a value as the receiver |
| 2328 | // requires boxing. |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2329 | __ jmp(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2330 | } |
| 2331 | break; |
| 2332 | |
| 2333 | case NUMBER_CHECK: |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 2334 | if (function->IsBuiltin() || !function->shared()->is_classic_mode()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2335 | Label fast; |
| 2336 | // Check that the object is a smi or a heap number. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2337 | __ JumpIfSmi(edx, &fast); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2338 | __ CmpObjectType(edx, HEAP_NUMBER_TYPE, eax); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2339 | __ j(not_equal, &miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2340 | __ bind(&fast); |
| 2341 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2342 | GenerateDirectLoadGlobalFunctionPrototype( |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2343 | masm(), Context::NUMBER_FUNCTION_INDEX, eax, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2344 | CheckPrototypes( |
| 2345 | Handle<JSObject>(JSObject::cast(object->GetPrototype())), |
| 2346 | eax, holder, ebx, edx, edi, name, &miss); |
| 2347 | } else { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 2348 | // Calling non-strict non-builtins with a value as the receiver |
| 2349 | // requires boxing. |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2350 | __ jmp(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2351 | } |
| 2352 | break; |
| 2353 | |
| 2354 | case BOOLEAN_CHECK: |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 2355 | if (function->IsBuiltin() || !function->shared()->is_classic_mode()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2356 | Label fast; |
| 2357 | // Check that the object is a boolean. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2358 | __ cmp(edx, factory()->true_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2359 | __ j(equal, &fast); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2360 | __ cmp(edx, factory()->false_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2361 | __ j(not_equal, &miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2362 | __ bind(&fast); |
| 2363 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2364 | GenerateDirectLoadGlobalFunctionPrototype( |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2365 | masm(), Context::BOOLEAN_FUNCTION_INDEX, eax, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2366 | CheckPrototypes( |
| 2367 | Handle<JSObject>(JSObject::cast(object->GetPrototype())), |
| 2368 | eax, holder, ebx, edx, edi, name, &miss); |
| 2369 | } else { |
| 2370 | // Calling non-strict non-builtins with a value as the receiver |
| 2371 | // requires boxing. |
| 2372 | __ jmp(&miss); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2373 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2374 | break; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2377 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2378 | ? CALL_AS_FUNCTION |
| 2379 | : CALL_AS_METHOD; |
| 2380 | __ InvokeFunction(function, arguments(), JUMP_FUNCTION, |
| 2381 | NullCallWrapper(), call_kind); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2382 | |
| 2383 | // Handle call cache miss. |
| 2384 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2385 | GenerateMissBranch(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2386 | |
| 2387 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2388 | return GetCode(function); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2389 | } |
| 2390 | |
| 2391 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2392 | Handle<Code> CallStubCompiler::CompileCallInterceptor(Handle<JSObject> object, |
| 2393 | Handle<JSObject> holder, |
| 2394 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2395 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2396 | // -- ecx : name |
| 2397 | // -- esp[0] : return address |
| 2398 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2399 | // -- ... |
| 2400 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2401 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2402 | Label miss; |
| 2403 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2404 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2405 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2406 | // Get the number of arguments. |
| 2407 | const int argc = arguments().immediate(); |
| 2408 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2409 | LookupResult lookup(isolate()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2410 | LookupPostInterceptor(holder, name, &lookup); |
| 2411 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2412 | // Get the receiver from the stack. |
| 2413 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2414 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2415 | CallInterceptorCompiler compiler(this, arguments(), ecx, extra_state_); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2416 | compiler.Compile(masm(), object, holder, name, &lookup, edx, ebx, edi, eax, |
| 2417 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2418 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2419 | // Restore receiver. |
| 2420 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2421 | |
| 2422 | // Check that the function really is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2423 | __ JumpIfSmi(eax, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2424 | __ CmpObjectType(eax, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2425 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2426 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2427 | // Patch the receiver on the stack with the global proxy if |
| 2428 | // necessary. |
| 2429 | if (object->IsGlobalObject()) { |
| 2430 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2431 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2432 | } |
| 2433 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2434 | // Invoke the function. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2435 | __ mov(edi, eax); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2436 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2437 | ? CALL_AS_FUNCTION |
| 2438 | : CALL_AS_METHOD; |
| 2439 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION, |
| 2440 | NullCallWrapper(), call_kind); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2441 | |
| 2442 | // Handle load cache miss. |
| 2443 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2444 | GenerateMissBranch(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2445 | |
| 2446 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2447 | return GetCode(Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2448 | } |
| 2449 | |
| 2450 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2451 | Handle<Code> CallStubCompiler::CompileCallGlobal( |
| 2452 | Handle<JSObject> object, |
| 2453 | Handle<GlobalObject> holder, |
| 2454 | Handle<JSGlobalPropertyCell> cell, |
| 2455 | Handle<JSFunction> function, |
| 2456 | Handle<String> name) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2457 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2458 | // -- ecx : name |
| 2459 | // -- esp[0] : return address |
| 2460 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2461 | // -- ... |
| 2462 | // -- esp[(argc + 1) * 4] : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2463 | // ----------------------------------- |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2464 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2465 | if (HasCustomCallGenerator(function)) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2466 | Handle<Code> code = CompileCustomCall(object, holder, cell, function, name); |
| 2467 | // A null handle means bail out to the regular compiler code below. |
| 2468 | if (!code.is_null()) return code; |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2469 | } |
| 2470 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2471 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2472 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2473 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2474 | // Get the number of arguments. |
| 2475 | const int argc = arguments().immediate(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2476 | GenerateGlobalReceiverCheck(object, holder, name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2477 | GenerateLoadFunctionFromCell(cell, function, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2478 | |
| 2479 | // Patch the receiver on the stack with the global proxy. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 2480 | if (object->IsGlobalObject()) { |
| 2481 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2482 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2483 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2484 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2485 | // Set up the context (function already in edi). |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2486 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 2487 | |
| 2488 | // Jump to the cached code (tail call). |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2489 | Counters* counters = isolate()->counters(); |
| 2490 | __ IncrementCounter(counters->call_global_inline(), 1); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2491 | ParameterCount expected(function->shared()->formal_parameter_count()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2492 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2493 | ? CALL_AS_FUNCTION |
| 2494 | : CALL_AS_METHOD; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2495 | // We call indirectly through the code field in the function to |
| 2496 | // allow recompilation to take effect without changing any of the |
| 2497 | // call sites. |
| 2498 | __ InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset), |
| 2499 | expected, arguments(), JUMP_FUNCTION, |
| 2500 | NullCallWrapper(), call_kind); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2501 | |
| 2502 | // Handle call cache miss. |
| 2503 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2504 | __ IncrementCounter(counters->call_global_inline_miss(), 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2505 | GenerateMissBranch(); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2506 | |
| 2507 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2508 | return GetCode(Code::NORMAL, name); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2509 | } |
| 2510 | |
| 2511 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2512 | Handle<Code> StoreStubCompiler::CompileStoreField(Handle<JSObject> object, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 2513 | int index, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2514 | Handle<Map> transition, |
| 2515 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2516 | // ----------- S t a t e ------------- |
| 2517 | // -- eax : value |
| 2518 | // -- ecx : name |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2519 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2520 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2521 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2522 | Label miss; |
| 2523 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2524 | // Generate store field code. Trashes the name register. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2525 | GenerateStoreField(masm(), |
| 2526 | object, |
| 2527 | index, |
| 2528 | transition, |
| 2529 | name, |
| 2530 | edx, ecx, ebx, edi, |
| 2531 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2532 | // Handle store cache miss. |
| 2533 | __ bind(&miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2534 | __ mov(ecx, Immediate(name)); // restore name |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2535 | Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2536 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2537 | |
| 2538 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2539 | return GetCode(transition.is_null() |
| 2540 | ? Code::FIELD |
| 2541 | : Code::MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2542 | } |
| 2543 | |
| 2544 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2545 | Handle<Code> StoreStubCompiler::CompileStoreCallback( |
| 2546 | Handle<JSObject> object, |
| 2547 | Handle<AccessorInfo> callback, |
| 2548 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2549 | // ----------- S t a t e ------------- |
| 2550 | // -- eax : value |
| 2551 | // -- ecx : name |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2552 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2553 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2554 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2555 | Label miss; |
| 2556 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2557 | // Check that the map of the object hasn't changed. |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2558 | __ CheckMap(edx, Handle<Map>(object->map()), |
| 2559 | &miss, DO_SMI_CHECK, ALLOW_ELEMENT_TRANSITION_MAPS); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2560 | |
| 2561 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 2562 | if (object->IsJSGlobalProxy()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2563 | __ CheckAccessGlobalProxy(edx, ebx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2564 | } |
| 2565 | |
| 2566 | // Stub never generated for non-global objects that require access |
| 2567 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 2568 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2569 | |
| 2570 | __ pop(ebx); // remove the return address |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2571 | __ push(edx); // receiver |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2572 | __ push(Immediate(callback)); // callback info |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2573 | __ push(ecx); // name |
| 2574 | __ push(eax); // value |
| 2575 | __ push(ebx); // restore return address |
| 2576 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 2577 | // Do tail-call to the runtime system. |
| 2578 | ExternalReference store_callback_property = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2579 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2580 | __ TailCallExternalReference(store_callback_property, 4, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2581 | |
| 2582 | // Handle store cache miss. |
| 2583 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2584 | Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2585 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2586 | |
| 2587 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2588 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2589 | } |
| 2590 | |
| 2591 | |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2592 | Handle<Code> StoreStubCompiler::CompileStoreViaSetter( |
svenpanne@chromium.org | 619781a | 2012-07-05 08:22:44 +0000 | [diff] [blame^] | 2593 | Handle<String> name, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2594 | Handle<JSObject> receiver, |
svenpanne@chromium.org | 619781a | 2012-07-05 08:22:44 +0000 | [diff] [blame^] | 2595 | Handle<JSObject> holder, |
| 2596 | Handle<JSFunction> setter) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2597 | // ----------- S t a t e ------------- |
| 2598 | // -- eax : value |
| 2599 | // -- ecx : name |
| 2600 | // -- edx : receiver |
| 2601 | // -- esp[0] : return address |
| 2602 | // ----------------------------------- |
| 2603 | Label miss; |
| 2604 | |
svenpanne@chromium.org | 619781a | 2012-07-05 08:22:44 +0000 | [diff] [blame^] | 2605 | // Check that the maps haven't changed, preserving the name register. |
| 2606 | __ push(ecx); |
| 2607 | __ JumpIfSmi(edx, &miss); |
| 2608 | CheckPrototypes(receiver, edx, holder, ebx, ecx, edi, name, &miss); |
| 2609 | __ pop(ecx); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2610 | |
| 2611 | { |
| 2612 | FrameScope scope(masm(), StackFrame::INTERNAL); |
| 2613 | |
| 2614 | // Save value register, so we can restore it later. |
| 2615 | __ push(eax); |
| 2616 | |
svenpanne@chromium.org | 619781a | 2012-07-05 08:22:44 +0000 | [diff] [blame^] | 2617 | // Call the JavaScript setter with the receiver and the value on the stack. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2618 | __ push(edx); |
| 2619 | __ push(eax); |
| 2620 | ParameterCount actual(1); |
| 2621 | __ InvokeFunction(setter, actual, CALL_FUNCTION, NullCallWrapper(), |
| 2622 | CALL_AS_METHOD); |
| 2623 | |
| 2624 | // We have to return the passed value, not the return value of the setter. |
| 2625 | __ pop(eax); |
| 2626 | |
| 2627 | // Restore context register. |
| 2628 | __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 2629 | } |
| 2630 | __ ret(0); |
| 2631 | |
| 2632 | __ bind(&miss); |
svenpanne@chromium.org | 619781a | 2012-07-05 08:22:44 +0000 | [diff] [blame^] | 2633 | __ pop(ecx); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2634 | Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
| 2635 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 2636 | |
| 2637 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2638 | return GetCode(Code::CALLBACKS, name); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2639 | } |
| 2640 | |
| 2641 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2642 | Handle<Code> StoreStubCompiler::CompileStoreInterceptor( |
| 2643 | Handle<JSObject> receiver, |
| 2644 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2645 | // ----------- S t a t e ------------- |
| 2646 | // -- eax : value |
| 2647 | // -- ecx : name |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2648 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2649 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2650 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2651 | Label miss; |
| 2652 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2653 | // Check that the map of the object hasn't changed. |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2654 | __ CheckMap(edx, Handle<Map>(receiver->map()), |
| 2655 | &miss, DO_SMI_CHECK, ALLOW_ELEMENT_TRANSITION_MAPS); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2656 | |
| 2657 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 2658 | if (receiver->IsJSGlobalProxy()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2659 | __ CheckAccessGlobalProxy(edx, ebx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2660 | } |
| 2661 | |
| 2662 | // Stub never generated for non-global objects that require access |
| 2663 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 2664 | ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2665 | |
| 2666 | __ pop(ebx); // remove the return address |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2667 | __ push(edx); // receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2668 | __ push(ecx); // name |
| 2669 | __ push(eax); // value |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 2670 | __ push(Immediate(Smi::FromInt(strict_mode_))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2671 | __ push(ebx); // restore return address |
| 2672 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 2673 | // Do tail-call to the runtime system. |
| 2674 | ExternalReference store_ic_property = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2675 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty), isolate()); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 2676 | __ TailCallExternalReference(store_ic_property, 4, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2677 | |
| 2678 | // Handle store cache miss. |
| 2679 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2680 | Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2681 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2682 | |
| 2683 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2684 | return GetCode(Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2685 | } |
| 2686 | |
| 2687 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2688 | Handle<Code> StoreStubCompiler::CompileStoreGlobal( |
| 2689 | Handle<GlobalObject> object, |
| 2690 | Handle<JSGlobalPropertyCell> cell, |
| 2691 | Handle<String> name) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2692 | // ----------- S t a t e ------------- |
| 2693 | // -- eax : value |
| 2694 | // -- ecx : name |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2695 | // -- edx : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2696 | // -- esp[0] : return address |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2697 | // ----------------------------------- |
| 2698 | Label miss; |
| 2699 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2700 | // Check that the map of the global has not changed. |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 2701 | __ cmp(FieldOperand(edx, HeapObject::kMapOffset), |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2702 | Immediate(Handle<Map>(object->map()))); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2703 | __ j(not_equal, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2704 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2705 | // Compute the cell operand to use. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2706 | __ mov(ebx, Immediate(cell)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2707 | Operand cell_operand = FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2708 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2709 | // Check that the value in the cell is not the hole. If it is, this |
| 2710 | // cell could have been deleted and reintroducing the global needs |
| 2711 | // to update the property details in the property dictionary of the |
| 2712 | // global object. We bail out to the runtime system to do that. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2713 | __ cmp(cell_operand, factory()->the_hole_value()); |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2714 | __ j(equal, &miss); |
| 2715 | |
| 2716 | // Store the value in the cell. |
| 2717 | __ mov(cell_operand, eax); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2718 | // No write barrier here, because cells are always rescanned. |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2719 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2720 | // Return the value (register eax). |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2721 | Counters* counters = isolate()->counters(); |
| 2722 | __ IncrementCounter(counters->named_store_global_inline(), 1); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2723 | __ ret(0); |
| 2724 | |
| 2725 | // Handle store cache miss. |
| 2726 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2727 | __ IncrementCounter(counters->named_store_global_inline_miss(), 1); |
| 2728 | Handle<Code> ic = isolate()->builtins()->StoreIC_Miss(); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2729 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 2730 | |
| 2731 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2732 | return GetCode(Code::NORMAL, name); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2733 | } |
| 2734 | |
| 2735 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2736 | Handle<Code> KeyedStoreStubCompiler::CompileStoreField(Handle<JSObject> object, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 2737 | int index, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2738 | Handle<Map> transition, |
| 2739 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2740 | // ----------- S t a t e ------------- |
| 2741 | // -- eax : value |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2742 | // -- ecx : key |
| 2743 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2744 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2745 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2746 | Label miss; |
| 2747 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2748 | Counters* counters = isolate()->counters(); |
| 2749 | __ IncrementCounter(counters->keyed_store_field(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2750 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2751 | // Check that the name has not changed. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2752 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2753 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2754 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2755 | // Generate store field code. Trashes the name register. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2756 | GenerateStoreField(masm(), |
| 2757 | object, |
| 2758 | index, |
| 2759 | transition, |
| 2760 | name, |
| 2761 | edx, ecx, ebx, edi, |
| 2762 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2763 | |
| 2764 | // Handle store cache miss. |
| 2765 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2766 | __ DecrementCounter(counters->keyed_store_field(), 1); |
| 2767 | Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss(); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2768 | __ jmp(ic, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2769 | |
| 2770 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2771 | return GetCode(transition.is_null() |
| 2772 | ? Code::FIELD |
| 2773 | : Code::MAP_TRANSITION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2774 | } |
| 2775 | |
| 2776 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2777 | Handle<Code> KeyedStoreStubCompiler::CompileStoreElement( |
| 2778 | Handle<Map> receiver_map) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2779 | // ----------- S t a t e ------------- |
| 2780 | // -- eax : value |
| 2781 | // -- ecx : key |
| 2782 | // -- edx : receiver |
| 2783 | // -- esp[0] : return address |
| 2784 | // ----------------------------------- |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 2785 | ElementsKind elements_kind = receiver_map->elements_kind(); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 2786 | bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2787 | Handle<Code> stub = |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 2788 | KeyedStoreElementStub(is_jsarray, elements_kind, grow_mode_).GetCode(); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2789 | |
| 2790 | __ DispatchMap(edx, receiver_map, stub, DO_SMI_CHECK); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2791 | |
| 2792 | Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss(); |
| 2793 | __ jmp(ic, RelocInfo::CODE_TARGET); |
| 2794 | |
| 2795 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2796 | return GetCode(Code::NORMAL, factory()->empty_string()); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2797 | } |
| 2798 | |
| 2799 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2800 | Handle<Code> KeyedStoreStubCompiler::CompileStorePolymorphic( |
| 2801 | MapHandleList* receiver_maps, |
| 2802 | CodeHandleList* handler_stubs, |
| 2803 | MapHandleList* transitioned_maps) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2804 | // ----------- S t a t e ------------- |
| 2805 | // -- eax : value |
| 2806 | // -- ecx : key |
| 2807 | // -- edx : receiver |
| 2808 | // -- esp[0] : return address |
| 2809 | // ----------------------------------- |
| 2810 | Label miss; |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2811 | __ JumpIfSmi(edx, &miss, Label::kNear); |
| 2812 | __ mov(edi, FieldOperand(edx, HeapObject::kMapOffset)); |
| 2813 | // ebx: receiver->map(). |
| 2814 | for (int i = 0; i < receiver_maps->length(); ++i) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2815 | __ cmp(edi, receiver_maps->at(i)); |
| 2816 | if (transitioned_maps->at(i).is_null()) { |
| 2817 | __ j(equal, handler_stubs->at(i)); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2818 | } else { |
| 2819 | Label next_map; |
| 2820 | __ j(not_equal, &next_map, Label::kNear); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2821 | __ mov(ebx, Immediate(transitioned_maps->at(i))); |
| 2822 | __ jmp(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2823 | __ bind(&next_map); |
| 2824 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2825 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2826 | __ bind(&miss); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2827 | Handle<Code> miss_ic = isolate()->builtins()->KeyedStoreIC_Miss(); |
| 2828 | __ jmp(miss_ic, RelocInfo::CODE_TARGET); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2829 | |
| 2830 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2831 | return GetCode(Code::NORMAL, factory()->empty_string(), MEGAMORPHIC); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2832 | } |
| 2833 | |
| 2834 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2835 | Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<String> name, |
| 2836 | Handle<JSObject> object, |
| 2837 | Handle<JSObject> last) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2838 | // ----------- S t a t e ------------- |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2839 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2840 | // -- edx : receiver |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2841 | // -- esp[0] : return address |
| 2842 | // ----------------------------------- |
| 2843 | Label miss; |
| 2844 | |
| 2845 | // Check that the receiver isn't a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2846 | __ JumpIfSmi(edx, &miss); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2847 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 2848 | ASSERT(last->IsGlobalObject() || last->HasFastProperties()); |
| 2849 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2850 | // Check the maps of the full prototype chain. Also check that |
| 2851 | // global property cells up to (but not including) the last object |
| 2852 | // in the prototype chain are empty. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2853 | CheckPrototypes(object, edx, last, ebx, eax, edi, name, &miss); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2854 | |
| 2855 | // If the last object in the prototype chain is a global object, |
| 2856 | // check that the global property cell is empty. |
| 2857 | if (last->IsGlobalObject()) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2858 | GenerateCheckPropertyCell( |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2859 | masm(), Handle<GlobalObject>::cast(last), name, eax, &miss); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2860 | } |
| 2861 | |
| 2862 | // Return undefined if maps of the full prototype chain are still the |
| 2863 | // same and no global property with this name contains a value. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2864 | __ mov(eax, isolate()->factory()->undefined_value()); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2865 | __ ret(0); |
| 2866 | |
| 2867 | __ bind(&miss); |
| 2868 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2869 | |
| 2870 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2871 | return GetCode(Code::NONEXISTENT, factory()->empty_string()); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 2872 | } |
| 2873 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 2874 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2875 | Handle<Code> LoadStubCompiler::CompileLoadField(Handle<JSObject> object, |
| 2876 | Handle<JSObject> holder, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 2877 | int index, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2878 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2879 | // ----------- S t a t e ------------- |
| 2880 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2881 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2882 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2883 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2884 | Label miss; |
| 2885 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2886 | GenerateLoadField(object, holder, edx, ebx, eax, edi, index, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2887 | __ bind(&miss); |
| 2888 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2889 | |
| 2890 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2891 | return GetCode(Code::FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2892 | } |
| 2893 | |
| 2894 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2895 | Handle<Code> LoadStubCompiler::CompileLoadCallback( |
| 2896 | Handle<String> name, |
| 2897 | Handle<JSObject> object, |
| 2898 | Handle<JSObject> holder, |
| 2899 | Handle<AccessorInfo> callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2900 | // ----------- S t a t e ------------- |
| 2901 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2902 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2903 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2904 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2905 | Label miss; |
| 2906 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2907 | GenerateLoadCallback(object, holder, edx, ecx, ebx, eax, edi, callback, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2908 | name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2909 | __ bind(&miss); |
| 2910 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2911 | |
| 2912 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2913 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2914 | } |
| 2915 | |
| 2916 | |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2917 | Handle<Code> LoadStubCompiler::CompileLoadViaGetter( |
| 2918 | Handle<String> name, |
| 2919 | Handle<JSObject> receiver, |
| 2920 | Handle<JSObject> holder, |
| 2921 | Handle<JSFunction> getter) { |
| 2922 | // ----------- S t a t e ------------- |
| 2923 | // -- ecx : name |
| 2924 | // -- edx : receiver |
| 2925 | // -- esp[0] : return address |
| 2926 | // ----------------------------------- |
| 2927 | Label miss; |
| 2928 | |
| 2929 | // Check that the maps haven't changed. |
| 2930 | __ JumpIfSmi(edx, &miss); |
| 2931 | CheckPrototypes(receiver, edx, holder, ebx, eax, edi, name, &miss); |
| 2932 | |
| 2933 | { |
| 2934 | FrameScope scope(masm(), StackFrame::INTERNAL); |
| 2935 | |
| 2936 | // Call the JavaScript getter with the receiver on the stack. |
| 2937 | __ push(edx); |
| 2938 | ParameterCount actual(0); |
| 2939 | __ InvokeFunction(getter, actual, CALL_FUNCTION, NullCallWrapper(), |
| 2940 | CALL_AS_METHOD); |
| 2941 | |
| 2942 | // Restore context register. |
| 2943 | __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 2944 | } |
| 2945 | __ ret(0); |
| 2946 | |
| 2947 | __ bind(&miss); |
| 2948 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2949 | |
| 2950 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2951 | return GetCode(Code::CALLBACKS, name); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 2952 | } |
| 2953 | |
| 2954 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2955 | Handle<Code> LoadStubCompiler::CompileLoadConstant(Handle<JSObject> object, |
| 2956 | Handle<JSObject> holder, |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2957 | Handle<JSFunction> value, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2958 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2959 | // ----------- S t a t e ------------- |
| 2960 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2961 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2962 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2963 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2964 | Label miss; |
| 2965 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2966 | GenerateLoadConstant(object, holder, edx, ebx, eax, edi, value, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2967 | __ bind(&miss); |
| 2968 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2969 | |
| 2970 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2971 | return GetCode(Code::CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2972 | } |
| 2973 | |
| 2974 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2975 | Handle<Code> LoadStubCompiler::CompileLoadInterceptor(Handle<JSObject> receiver, |
| 2976 | Handle<JSObject> holder, |
| 2977 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2978 | // ----------- S t a t e ------------- |
| 2979 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2980 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2981 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2982 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2983 | Label miss; |
| 2984 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2985 | LookupResult lookup(isolate()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2986 | LookupPostInterceptor(holder, name, &lookup); |
| 2987 | |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 2988 | // TODO(368): Compile in the whole chain: all the interceptors in |
| 2989 | // prototypes and ultimate answer. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2990 | GenerateLoadInterceptor(receiver, holder, &lookup, edx, ecx, eax, ebx, edi, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2991 | name, &miss); |
ager@chromium.org | e2902be | 2009-06-08 12:21:35 +0000 | [diff] [blame] | 2992 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2993 | __ bind(&miss); |
| 2994 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 2995 | |
| 2996 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2997 | return GetCode(Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2998 | } |
| 2999 | |
| 3000 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3001 | Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
| 3002 | Handle<JSObject> object, |
| 3003 | Handle<GlobalObject> holder, |
| 3004 | Handle<JSGlobalPropertyCell> cell, |
| 3005 | Handle<String> name, |
| 3006 | bool is_dont_delete) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3007 | // ----------- S t a t e ------------- |
| 3008 | // -- ecx : name |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3009 | // -- edx : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3010 | // -- esp[0] : return address |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3011 | // ----------------------------------- |
| 3012 | Label miss; |
| 3013 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 3014 | // Check that the maps haven't changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3015 | __ JumpIfSmi(edx, &miss); |
| 3016 | CheckPrototypes(object, edx, holder, ebx, eax, edi, name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3017 | |
| 3018 | // Get the value from the cell. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3019 | if (Serializer::enabled()) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3020 | __ mov(ebx, Immediate(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3021 | __ mov(ebx, FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset)); |
| 3022 | } else { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3023 | __ mov(ebx, Operand::Cell(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3024 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3025 | |
| 3026 | // Check for deleted property if property can actually be deleted. |
| 3027 | if (!is_dont_delete) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3028 | __ cmp(ebx, factory()->the_hole_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3029 | __ j(equal, &miss); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 3030 | } else if (FLAG_debug_code) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3031 | __ cmp(ebx, factory()->the_hole_value()); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 3032 | __ Check(not_equal, "DontDelete cells can't contain the hole"); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3033 | } |
| 3034 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3035 | Counters* counters = isolate()->counters(); |
| 3036 | __ IncrementCounter(counters->named_load_global_stub(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3037 | __ mov(eax, ebx); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3038 | __ ret(0); |
| 3039 | |
| 3040 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3041 | __ IncrementCounter(counters->named_load_global_stub_miss(), 1); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3042 | GenerateLoadMiss(masm(), Code::LOAD_IC); |
| 3043 | |
| 3044 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3045 | return GetCode(Code::NORMAL, name); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3046 | } |
| 3047 | |
| 3048 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3049 | Handle<Code> KeyedLoadStubCompiler::CompileLoadField(Handle<String> name, |
| 3050 | Handle<JSObject> receiver, |
| 3051 | Handle<JSObject> holder, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 3052 | int index) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3053 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3054 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3055 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3056 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3057 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3058 | Label miss; |
| 3059 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3060 | Counters* counters = isolate()->counters(); |
| 3061 | __ IncrementCounter(counters->keyed_load_field(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3062 | |
| 3063 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3064 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3065 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3066 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3067 | GenerateLoadField(receiver, holder, edx, ebx, eax, edi, index, name, &miss); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 3068 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3069 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3070 | __ DecrementCounter(counters->keyed_load_field(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3071 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3072 | |
| 3073 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3074 | return GetCode(Code::FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3075 | } |
| 3076 | |
| 3077 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3078 | Handle<Code> KeyedLoadStubCompiler::CompileLoadCallback( |
| 3079 | Handle<String> name, |
| 3080 | Handle<JSObject> receiver, |
| 3081 | Handle<JSObject> holder, |
| 3082 | Handle<AccessorInfo> callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3083 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3084 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3085 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3086 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3087 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3088 | Label miss; |
| 3089 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3090 | Counters* counters = isolate()->counters(); |
| 3091 | __ IncrementCounter(counters->keyed_load_callback(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3092 | |
| 3093 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3094 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3095 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3096 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3097 | GenerateLoadCallback(receiver, holder, edx, ecx, ebx, eax, edi, callback, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3098 | name, &miss); |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 3099 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3100 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3101 | __ DecrementCounter(counters->keyed_load_callback(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3102 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3103 | |
| 3104 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3105 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3106 | } |
| 3107 | |
| 3108 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3109 | Handle<Code> KeyedLoadStubCompiler::CompileLoadConstant( |
| 3110 | Handle<String> name, |
| 3111 | Handle<JSObject> receiver, |
| 3112 | Handle<JSObject> holder, |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 3113 | Handle<JSFunction> value) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3114 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3115 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3116 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3117 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3118 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3119 | Label miss; |
| 3120 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3121 | Counters* counters = isolate()->counters(); |
| 3122 | __ IncrementCounter(counters->keyed_load_constant_function(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3123 | |
| 3124 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3125 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3126 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3127 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3128 | GenerateLoadConstant( |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3129 | receiver, holder, edx, ebx, eax, edi, value, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3130 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3131 | __ DecrementCounter(counters->keyed_load_constant_function(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3132 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3133 | |
| 3134 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3135 | return GetCode(Code::CONSTANT_FUNCTION, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3136 | } |
| 3137 | |
| 3138 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3139 | Handle<Code> KeyedLoadStubCompiler::CompileLoadInterceptor( |
| 3140 | Handle<JSObject> receiver, |
| 3141 | Handle<JSObject> holder, |
| 3142 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3143 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3144 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3145 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3146 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3147 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3148 | Label miss; |
| 3149 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3150 | Counters* counters = isolate()->counters(); |
| 3151 | __ IncrementCounter(counters->keyed_load_interceptor(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3152 | |
| 3153 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3154 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3155 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3156 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3157 | LookupResult lookup(isolate()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3158 | LookupPostInterceptor(holder, name, &lookup); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3159 | GenerateLoadInterceptor(receiver, holder, &lookup, edx, ecx, eax, ebx, edi, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3160 | name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3161 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3162 | __ DecrementCounter(counters->keyed_load_interceptor(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3163 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3164 | |
| 3165 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3166 | return GetCode(Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3167 | } |
| 3168 | |
| 3169 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3170 | Handle<Code> KeyedLoadStubCompiler::CompileLoadArrayLength( |
| 3171 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3172 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3173 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3174 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3175 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3176 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3177 | Label miss; |
| 3178 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3179 | Counters* counters = isolate()->counters(); |
| 3180 | __ IncrementCounter(counters->keyed_load_array_length(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3181 | |
| 3182 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3183 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3184 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3185 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3186 | GenerateLoadArrayLength(masm(), edx, eax, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3187 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3188 | __ DecrementCounter(counters->keyed_load_array_length(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3189 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3190 | |
| 3191 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3192 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3193 | } |
| 3194 | |
| 3195 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3196 | Handle<Code> KeyedLoadStubCompiler::CompileLoadStringLength( |
| 3197 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3198 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3199 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3200 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3201 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3202 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3203 | Label miss; |
| 3204 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3205 | Counters* counters = isolate()->counters(); |
| 3206 | __ IncrementCounter(counters->keyed_load_string_length(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3207 | |
| 3208 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3209 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3210 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3211 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3212 | GenerateLoadStringLength(masm(), edx, eax, ebx, &miss, true); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3213 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3214 | __ DecrementCounter(counters->keyed_load_string_length(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3215 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3216 | |
| 3217 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3218 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3219 | } |
| 3220 | |
| 3221 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3222 | Handle<Code> KeyedLoadStubCompiler::CompileLoadFunctionPrototype( |
| 3223 | Handle<String> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3224 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3225 | // -- ecx : key |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 3226 | // -- edx : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3227 | // -- esp[0] : return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3228 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3229 | Label miss; |
| 3230 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3231 | Counters* counters = isolate()->counters(); |
| 3232 | __ IncrementCounter(counters->keyed_load_function_prototype(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3233 | |
| 3234 | // Check that the name has not changed. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3235 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3236 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3237 | |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3238 | GenerateLoadFunctionPrototype(masm(), edx, eax, ebx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3239 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3240 | __ DecrementCounter(counters->keyed_load_function_prototype(), 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3241 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3242 | |
| 3243 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3244 | return GetCode(Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3245 | } |
| 3246 | |
| 3247 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3248 | Handle<Code> KeyedLoadStubCompiler::CompileLoadElement( |
| 3249 | Handle<Map> receiver_map) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3250 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3251 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3252 | // -- edx : receiver |
| 3253 | // -- esp[0] : return address |
| 3254 | // ----------------------------------- |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3255 | |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3256 | ElementsKind elements_kind = receiver_map->elements_kind(); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3257 | Handle<Code> stub = KeyedLoadElementStub(elements_kind).GetCode(); |
| 3258 | |
| 3259 | __ DispatchMap(edx, receiver_map, stub, DO_SMI_CHECK); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3260 | |
| 3261 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3262 | |
| 3263 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3264 | return GetCode(Code::NORMAL, factory()->empty_string()); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3265 | } |
| 3266 | |
| 3267 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3268 | Handle<Code> KeyedLoadStubCompiler::CompileLoadPolymorphic( |
| 3269 | MapHandleList* receiver_maps, |
| 3270 | CodeHandleList* handler_ics) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3271 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3272 | // -- ecx : key |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3273 | // -- edx : receiver |
| 3274 | // -- esp[0] : return address |
| 3275 | // ----------------------------------- |
| 3276 | Label miss; |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3277 | __ JumpIfSmi(edx, &miss); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3278 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3279 | Register map_reg = ebx; |
| 3280 | __ mov(map_reg, FieldOperand(edx, HeapObject::kMapOffset)); |
| 3281 | int receiver_count = receiver_maps->length(); |
| 3282 | for (int current = 0; current < receiver_count; ++current) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3283 | __ cmp(map_reg, receiver_maps->at(current)); |
| 3284 | __ j(equal, handler_ics->at(current)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3285 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3286 | |
| 3287 | __ bind(&miss); |
| 3288 | GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
| 3289 | |
| 3290 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 3291 | return GetCode(Code::NORMAL, factory()->empty_string(), MEGAMORPHIC); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3292 | } |
| 3293 | |
| 3294 | |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3295 | // Specialized stub for constructing objects from functions which only have only |
| 3296 | // simple assignments of the form this.x = ...; in their body. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3297 | Handle<Code> ConstructStubCompiler::CompileConstructStub( |
| 3298 | Handle<JSFunction> function) { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3299 | // ----------- S t a t e ------------- |
| 3300 | // -- eax : argc |
| 3301 | // -- edi : constructor |
| 3302 | // -- esp[0] : return address |
| 3303 | // -- esp[4] : last argument |
| 3304 | // ----------------------------------- |
| 3305 | Label generic_stub_call; |
| 3306 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 3307 | // Check to see whether there are any break points in the function code. If |
| 3308 | // there are jump to the generic constructor stub which calls the actual |
| 3309 | // code for the function thereby hitting the break points. |
| 3310 | __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
| 3311 | __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kDebugInfoOffset)); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3312 | __ cmp(ebx, factory()->undefined_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3313 | __ j(not_equal, &generic_stub_call); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3314 | #endif |
| 3315 | |
| 3316 | // Load the initial map and verify that it is in fact a map. |
| 3317 | __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); |
| 3318 | // Will both indicate a NULL and a Smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 3319 | __ JumpIfSmi(ebx, &generic_stub_call); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3320 | __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 3321 | __ j(not_equal, &generic_stub_call); |
| 3322 | |
| 3323 | #ifdef DEBUG |
| 3324 | // Cannot construct functions this way. |
| 3325 | // edi: constructor |
| 3326 | // ebx: initial map |
| 3327 | __ CmpInstanceType(ebx, JS_FUNCTION_TYPE); |
| 3328 | __ Assert(not_equal, "Function constructed by construct stub."); |
| 3329 | #endif |
| 3330 | |
| 3331 | // Now allocate the JSObject on the heap by moving the new space allocation |
| 3332 | // top forward. |
| 3333 | // edi: constructor |
| 3334 | // ebx: initial map |
| 3335 | __ movzx_b(ecx, FieldOperand(ebx, Map::kInstanceSizeOffset)); |
| 3336 | __ shl(ecx, kPointerSizeLog2); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3337 | __ AllocateInNewSpace(ecx, edx, ecx, no_reg, |
| 3338 | &generic_stub_call, NO_ALLOCATION_FLAGS); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3339 | |
| 3340 | // Allocated the JSObject, now initialize the fields and add the heap tag. |
| 3341 | // ebx: initial map |
| 3342 | // edx: JSObject (untagged) |
| 3343 | __ mov(Operand(edx, JSObject::kMapOffset), ebx); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3344 | __ mov(ebx, factory()->empty_fixed_array()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3345 | __ mov(Operand(edx, JSObject::kPropertiesOffset), ebx); |
| 3346 | __ mov(Operand(edx, JSObject::kElementsOffset), ebx); |
| 3347 | |
| 3348 | // Push the allocated object to the stack. This is the object that will be |
| 3349 | // returned (after it is tagged). |
| 3350 | __ push(edx); |
| 3351 | |
| 3352 | // eax: argc |
| 3353 | // edx: JSObject (untagged) |
| 3354 | // Load the address of the first in-object property into edx. |
| 3355 | __ lea(edx, Operand(edx, JSObject::kHeaderSize)); |
| 3356 | // Calculate the location of the first argument. The stack contains the |
| 3357 | // allocated object and the return address on top of the argc arguments. |
| 3358 | __ lea(ecx, Operand(esp, eax, times_4, 1 * kPointerSize)); |
| 3359 | |
| 3360 | // Use edi for holding undefined which is used in several places below. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3361 | __ mov(edi, factory()->undefined_value()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3362 | |
| 3363 | // eax: argc |
| 3364 | // ecx: first argument |
| 3365 | // edx: first in-object property of the JSObject |
| 3366 | // edi: undefined |
| 3367 | // Fill the initialized properties with a constant value or a passed argument |
| 3368 | // depending on the this.x = ...; assignment in the function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3369 | Handle<SharedFunctionInfo> shared(function->shared()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3370 | for (int i = 0; i < shared->this_property_assignments_count(); i++) { |
| 3371 | if (shared->IsThisPropertyAssignmentArgument(i)) { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3372 | // Check if the argument assigned to the property is actually passed. |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3373 | // If argument is not passed the property is set to undefined, |
| 3374 | // otherwise find it on the stack. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3375 | int arg_number = shared->GetThisPropertyAssignmentArgument(i); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3376 | __ mov(ebx, edi); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3377 | __ cmp(eax, arg_number); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3378 | if (CpuFeatures::IsSupported(CMOV)) { |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3379 | CpuFeatures::Scope use_cmov(CMOV); |
| 3380 | __ cmov(above, ebx, Operand(ecx, arg_number * -kPointerSize)); |
| 3381 | } else { |
| 3382 | Label not_passed; |
| 3383 | __ j(below_equal, ¬_passed); |
| 3384 | __ mov(ebx, Operand(ecx, arg_number * -kPointerSize)); |
| 3385 | __ bind(¬_passed); |
| 3386 | } |
| 3387 | // Store value in the property. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3388 | __ mov(Operand(edx, i * kPointerSize), ebx); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3389 | } else { |
| 3390 | // Set the property to the constant value. |
| 3391 | Handle<Object> constant(shared->GetThisPropertyAssignmentConstant(i)); |
| 3392 | __ mov(Operand(edx, i * kPointerSize), Immediate(constant)); |
| 3393 | } |
| 3394 | } |
| 3395 | |
| 3396 | // Fill the unused in-object property fields with undefined. |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 3397 | ASSERT(function->has_initial_map()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3398 | for (int i = shared->this_property_assignments_count(); |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 3399 | i < function->initial_map()->inobject_properties(); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3400 | i++) { |
| 3401 | __ mov(Operand(edx, i * kPointerSize), edi); |
| 3402 | } |
| 3403 | |
| 3404 | // Move argc to ebx and retrieve and tag the JSObject to return. |
| 3405 | __ mov(ebx, eax); |
| 3406 | __ pop(eax); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3407 | __ or_(eax, Immediate(kHeapObjectTag)); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3408 | |
| 3409 | // Remove caller arguments and receiver from the stack and return. |
| 3410 | __ pop(ecx); |
| 3411 | __ lea(esp, Operand(esp, ebx, times_pointer_size, 1 * kPointerSize)); |
| 3412 | __ push(ecx); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3413 | Counters* counters = isolate()->counters(); |
| 3414 | __ IncrementCounter(counters->constructed_objects(), 1); |
| 3415 | __ IncrementCounter(counters->constructed_objects_stub(), 1); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3416 | __ ret(0); |
| 3417 | |
| 3418 | // Jump to the generic stub in case the specialized code cannot handle the |
| 3419 | // construction. |
| 3420 | __ bind(&generic_stub_call); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3421 | Handle<Code> code = isolate()->builtins()->JSConstructStubGeneric(); |
| 3422 | __ jmp(code, RelocInfo::CODE_TARGET); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3423 | |
| 3424 | // Return the generated code. |
| 3425 | return GetCode(); |
| 3426 | } |
| 3427 | |
| 3428 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3429 | #undef __ |
| 3430 | #define __ ACCESS_MASM(masm) |
| 3431 | |
| 3432 | |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3433 | void KeyedLoadStubCompiler::GenerateLoadDictionaryElement( |
| 3434 | MacroAssembler* masm) { |
| 3435 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3436 | // -- ecx : key |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3437 | // -- edx : receiver |
| 3438 | // -- esp[0] : return address |
| 3439 | // ----------------------------------- |
| 3440 | Label slow, miss_force_generic; |
| 3441 | |
| 3442 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3443 | // have been verified by the caller to not be a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3444 | __ JumpIfNotSmi(ecx, &miss_force_generic); |
| 3445 | __ mov(ebx, ecx); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3446 | __ SmiUntag(ebx); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3447 | __ mov(eax, FieldOperand(edx, JSObject::kElementsOffset)); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3448 | |
| 3449 | // Push receiver on the stack to free up a register for the dictionary |
| 3450 | // probing. |
| 3451 | __ push(edx); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3452 | __ LoadFromNumberDictionary(&slow, eax, ecx, ebx, edx, edi, eax); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3453 | // Pop receiver before returning. |
| 3454 | __ pop(edx); |
| 3455 | __ ret(0); |
| 3456 | |
| 3457 | __ bind(&slow); |
| 3458 | __ pop(edx); |
| 3459 | |
| 3460 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3461 | // -- ecx : key |
| 3462 | // -- edx : receiver |
| 3463 | // -- esp[0] : return address |
| 3464 | // ----------------------------------- |
| 3465 | |
| 3466 | Handle<Code> slow_ic = |
| 3467 | masm->isolate()->builtins()->KeyedLoadIC_Slow(); |
| 3468 | __ jmp(slow_ic, RelocInfo::CODE_TARGET); |
| 3469 | |
| 3470 | __ bind(&miss_force_generic); |
| 3471 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3472 | // -- ecx : key |
| 3473 | // -- edx : receiver |
| 3474 | // -- esp[0] : return address |
| 3475 | // ----------------------------------- |
| 3476 | |
| 3477 | Handle<Code> miss_force_generic_ic = |
| 3478 | masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric(); |
| 3479 | __ jmp(miss_force_generic_ic, RelocInfo::CODE_TARGET); |
| 3480 | } |
| 3481 | |
| 3482 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3483 | static void GenerateSmiKeyCheck(MacroAssembler* masm, |
| 3484 | Register key, |
| 3485 | Register scratch, |
| 3486 | XMMRegister xmm_scratch0, |
| 3487 | XMMRegister xmm_scratch1, |
| 3488 | Label* fail) { |
| 3489 | // Check that key is a smi and if SSE2 is available a heap number |
| 3490 | // containing a smi and branch if the check fails. |
| 3491 | if (CpuFeatures::IsSupported(SSE2)) { |
| 3492 | CpuFeatures::Scope use_sse2(SSE2); |
| 3493 | Label key_ok; |
| 3494 | __ JumpIfSmi(key, &key_ok); |
| 3495 | __ cmp(FieldOperand(key, HeapObject::kMapOffset), |
| 3496 | Immediate(Handle<Map>(masm->isolate()->heap()->heap_number_map()))); |
| 3497 | __ j(not_equal, fail); |
| 3498 | __ movdbl(xmm_scratch0, FieldOperand(key, HeapNumber::kValueOffset)); |
| 3499 | __ cvttsd2si(scratch, Operand(xmm_scratch0)); |
| 3500 | __ cvtsi2sd(xmm_scratch1, scratch); |
| 3501 | __ ucomisd(xmm_scratch1, xmm_scratch0); |
| 3502 | __ j(not_equal, fail); |
| 3503 | __ j(parity_even, fail); // NaN. |
| 3504 | // Check if the key fits in the smi range. |
| 3505 | __ cmp(scratch, 0xc0000000); |
| 3506 | __ j(sign, fail); |
| 3507 | __ SmiTag(scratch); |
| 3508 | __ mov(key, scratch); |
| 3509 | __ bind(&key_ok); |
| 3510 | } else { |
| 3511 | __ JumpIfNotSmi(key, fail); |
| 3512 | } |
| 3513 | } |
| 3514 | |
| 3515 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3516 | void KeyedLoadStubCompiler::GenerateLoadExternalArray( |
| 3517 | MacroAssembler* masm, |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3518 | ElementsKind elements_kind) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3519 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3520 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3521 | // -- edx : receiver |
| 3522 | // -- esp[0] : return address |
| 3523 | // ----------------------------------- |
| 3524 | Label miss_force_generic, failed_allocation, slow; |
| 3525 | |
| 3526 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3527 | // have been verified by the caller to not be a smi. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3528 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3529 | // Check that the key is a smi or a heap number convertible to a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3530 | GenerateSmiKeyCheck(masm, ecx, eax, xmm0, xmm1, &miss_force_generic); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3531 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3532 | // Check that the index is in range. |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3533 | __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3534 | __ cmp(ecx, FieldOperand(ebx, ExternalArray::kLengthOffset)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3535 | // Unsigned comparison catches both negative and too-large values. |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3536 | __ j(above_equal, &miss_force_generic); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3537 | __ mov(ebx, FieldOperand(ebx, ExternalArray::kExternalPointerOffset)); |
| 3538 | // ebx: base pointer of external storage |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 3539 | switch (elements_kind) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3540 | case EXTERNAL_BYTE_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3541 | __ SmiUntag(ecx); // Untag the index. |
| 3542 | __ movsx_b(eax, Operand(ebx, ecx, times_1, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3543 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3544 | case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: |
| 3545 | case EXTERNAL_PIXEL_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3546 | __ SmiUntag(ecx); // Untag the index. |
| 3547 | __ movzx_b(eax, Operand(ebx, ecx, times_1, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3548 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3549 | case EXTERNAL_SHORT_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3550 | __ movsx_w(eax, Operand(ebx, ecx, times_1, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3551 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3552 | case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3553 | __ movzx_w(eax, Operand(ebx, ecx, times_1, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3554 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3555 | case EXTERNAL_UNSIGNED_INT_ELEMENTS: |
| 3556 | case EXTERNAL_INT_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3557 | __ mov(eax, Operand(ebx, ecx, times_2, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3558 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3559 | case EXTERNAL_FLOAT_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3560 | __ fld_s(Operand(ebx, ecx, times_2, 0)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3561 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3562 | case EXTERNAL_DOUBLE_ELEMENTS: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3563 | __ fld_d(Operand(ebx, ecx, times_4, 0)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3564 | break; |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3565 | default: |
| 3566 | UNREACHABLE(); |
| 3567 | break; |
| 3568 | } |
| 3569 | |
| 3570 | // For integer array types: |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3571 | // eax: value |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3572 | // For floating-point array type: |
| 3573 | // FP(0): value |
| 3574 | |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3575 | if (elements_kind == EXTERNAL_INT_ELEMENTS || |
| 3576 | elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS) { |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3577 | // For the Int and UnsignedInt array types, we need to see whether |
| 3578 | // the value can be represented in a Smi. If not, we need to convert |
| 3579 | // it to a HeapNumber. |
| 3580 | Label box_int; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3581 | if (elements_kind == EXTERNAL_INT_ELEMENTS) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3582 | __ cmp(eax, 0xc0000000); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3583 | __ j(sign, &box_int); |
| 3584 | } else { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3585 | ASSERT_EQ(EXTERNAL_UNSIGNED_INT_ELEMENTS, elements_kind); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3586 | // The test is different for unsigned int values. Since we need |
| 3587 | // the value to be in the range of a positive smi, we can't |
| 3588 | // handle either of the top two bits being set in the value. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3589 | __ test(eax, Immediate(0xc0000000)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3590 | __ j(not_zero, &box_int); |
| 3591 | } |
| 3592 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3593 | __ SmiTag(eax); |
| 3594 | __ ret(0); |
| 3595 | |
| 3596 | __ bind(&box_int); |
| 3597 | |
| 3598 | // Allocate a HeapNumber for the int and perform int-to-double |
| 3599 | // conversion. |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3600 | if (elements_kind == EXTERNAL_INT_ELEMENTS) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3601 | __ push(eax); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3602 | __ fild_s(Operand(esp, 0)); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3603 | __ pop(eax); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3604 | } else { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3605 | ASSERT_EQ(EXTERNAL_UNSIGNED_INT_ELEMENTS, elements_kind); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3606 | // Need to zero-extend the value. |
| 3607 | // There's no fild variant for unsigned values, so zero-extend |
| 3608 | // to a 64-bit int manually. |
| 3609 | __ push(Immediate(0)); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3610 | __ push(eax); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3611 | __ fild_d(Operand(esp, 0)); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3612 | __ pop(eax); |
| 3613 | __ pop(eax); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3614 | } |
| 3615 | // FP(0): value |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3616 | __ AllocateHeapNumber(eax, ebx, edi, &failed_allocation); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3617 | // Set the value. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3618 | __ fstp_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
| 3619 | __ ret(0); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3620 | } else if (elements_kind == EXTERNAL_FLOAT_ELEMENTS || |
| 3621 | elements_kind == EXTERNAL_DOUBLE_ELEMENTS) { |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3622 | // For the floating-point array type, we need to always allocate a |
| 3623 | // HeapNumber. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3624 | __ AllocateHeapNumber(eax, ebx, edi, &failed_allocation); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3625 | // Set the value. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3626 | __ fstp_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
| 3627 | __ ret(0); |
| 3628 | } else { |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3629 | __ SmiTag(eax); |
| 3630 | __ ret(0); |
| 3631 | } |
| 3632 | |
| 3633 | // If we fail allocation of the HeapNumber, we still have a value on |
| 3634 | // top of the FPU stack. Remove it. |
| 3635 | __ bind(&failed_allocation); |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 3636 | __ fstp(0); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3637 | // Fall through to slow case. |
| 3638 | |
| 3639 | // Slow case: Jump to runtime. |
| 3640 | __ bind(&slow); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3641 | Counters* counters = masm->isolate()->counters(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3642 | __ IncrementCounter(counters->keyed_load_external_array_slow(), 1); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3643 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3644 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3645 | // -- ecx : key |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3646 | // -- edx : receiver |
| 3647 | // -- esp[0] : return address |
| 3648 | // ----------------------------------- |
| 3649 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3650 | Handle<Code> ic = masm->isolate()->builtins()->KeyedLoadIC_Slow(); |
| 3651 | __ jmp(ic, RelocInfo::CODE_TARGET); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3652 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3653 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3654 | // -- ecx : key |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3655 | // -- edx : receiver |
| 3656 | // -- esp[0] : return address |
| 3657 | // ----------------------------------- |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3658 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3659 | // Miss case: Jump to runtime. |
| 3660 | __ bind(&miss_force_generic); |
| 3661 | Handle<Code> miss_ic = |
| 3662 | masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric(); |
| 3663 | __ jmp(miss_ic, RelocInfo::CODE_TARGET); |
| 3664 | } |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3665 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3666 | |
| 3667 | void KeyedStoreStubCompiler::GenerateStoreExternalArray( |
| 3668 | MacroAssembler* masm, |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3669 | ElementsKind elements_kind) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3670 | // ----------- S t a t e ------------- |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3671 | // -- eax : value |
| 3672 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3673 | // -- edx : receiver |
| 3674 | // -- esp[0] : return address |
| 3675 | // ----------------------------------- |
| 3676 | Label miss_force_generic, slow, check_heap_number; |
| 3677 | |
| 3678 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3679 | // have been verified by the caller to not be a smi. |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3680 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3681 | // Check that the key is a smi or a heap number convertible to a smi. |
| 3682 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3683 | |
| 3684 | // Check that the index is in range. |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3685 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3686 | __ cmp(ecx, FieldOperand(edi, ExternalArray::kLengthOffset)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3687 | // Unsigned comparison catches both negative and too-large values. |
| 3688 | __ j(above_equal, &slow); |
| 3689 | |
| 3690 | // Handle both smis and HeapNumbers in the fast path. Go to the |
| 3691 | // runtime for all other kinds of values. |
| 3692 | // eax: value |
| 3693 | // edx: receiver |
| 3694 | // ecx: key |
| 3695 | // edi: elements array |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3696 | if (elements_kind == EXTERNAL_PIXEL_ELEMENTS) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 3697 | __ JumpIfNotSmi(eax, &slow); |
| 3698 | } else { |
| 3699 | __ JumpIfNotSmi(eax, &check_heap_number); |
| 3700 | } |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3701 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3702 | // smi case |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3703 | __ mov(ebx, eax); // Preserve the value in eax as the return value. |
| 3704 | __ SmiUntag(ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3705 | __ mov(edi, FieldOperand(edi, ExternalArray::kExternalPointerOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3706 | // edi: base pointer of external storage |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 3707 | switch (elements_kind) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3708 | case EXTERNAL_PIXEL_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3709 | __ ClampUint8(ebx); |
| 3710 | __ SmiUntag(ecx); |
| 3711 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3712 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3713 | case EXTERNAL_BYTE_ELEMENTS: |
| 3714 | case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3715 | __ SmiUntag(ecx); |
| 3716 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3717 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3718 | case EXTERNAL_SHORT_ELEMENTS: |
| 3719 | case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3720 | __ mov_w(Operand(edi, ecx, times_1, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3721 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3722 | case EXTERNAL_INT_ELEMENTS: |
| 3723 | case EXTERNAL_UNSIGNED_INT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3724 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3725 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3726 | case EXTERNAL_FLOAT_ELEMENTS: |
| 3727 | case EXTERNAL_DOUBLE_ELEMENTS: |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3728 | // Need to perform int-to-float conversion. |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3729 | __ push(ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3730 | __ fild_s(Operand(esp, 0)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3731 | __ pop(ebx); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3732 | if (elements_kind == EXTERNAL_FLOAT_ELEMENTS) { |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3733 | __ fstp_s(Operand(edi, ecx, times_2, 0)); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3734 | } else { // elements_kind == EXTERNAL_DOUBLE_ELEMENTS. |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3735 | __ fstp_d(Operand(edi, ecx, times_4, 0)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3736 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3737 | break; |
| 3738 | default: |
| 3739 | UNREACHABLE(); |
| 3740 | break; |
| 3741 | } |
| 3742 | __ ret(0); // Return the original value. |
| 3743 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3744 | // TODO(danno): handle heap number -> pixel array conversion |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3745 | if (elements_kind != EXTERNAL_PIXEL_ELEMENTS) { |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3746 | __ bind(&check_heap_number); |
| 3747 | // eax: value |
| 3748 | // edx: receiver |
| 3749 | // ecx: key |
| 3750 | // edi: elements array |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3751 | __ cmp(FieldOperand(eax, HeapObject::kMapOffset), |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3752 | Immediate(masm->isolate()->factory()->heap_number_map())); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3753 | __ j(not_equal, &slow); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3754 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3755 | // The WebGL specification leaves the behavior of storing NaN and |
| 3756 | // +/-Infinity into integer arrays basically undefined. For more |
| 3757 | // reproducible behavior, convert these to zero. |
| 3758 | __ mov(edi, FieldOperand(edi, ExternalArray::kExternalPointerOffset)); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3759 | // edi: base pointer of external storage |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3760 | if (elements_kind == EXTERNAL_FLOAT_ELEMENTS) { |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3761 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3762 | __ fstp_s(Operand(edi, ecx, times_2, 0)); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3763 | __ ret(0); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3764 | } else if (elements_kind == EXTERNAL_DOUBLE_ELEMENTS) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3765 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3766 | __ fstp_d(Operand(edi, ecx, times_4, 0)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3767 | __ ret(0); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3768 | } else { |
| 3769 | // Perform float-to-int conversion with truncation (round-to-zero) |
| 3770 | // behavior. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3771 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3772 | // For the moment we make the slow call to the runtime on |
| 3773 | // processors that don't support SSE2. The code in IntegerConvert |
| 3774 | // (code-stubs-ia32.cc) is roughly what is needed here though the |
| 3775 | // conversion failure case does not need to be handled. |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3776 | if (CpuFeatures::IsSupported(SSE2)) { |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3777 | if ((elements_kind == EXTERNAL_INT_ELEMENTS || |
| 3778 | elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS) && |
| 3779 | CpuFeatures::IsSupported(SSE3)) { |
| 3780 | CpuFeatures::Scope scope(SSE3); |
| 3781 | // fisttp stores values as signed integers. To represent the |
| 3782 | // entire range of int and unsigned int arrays, store as a |
| 3783 | // 64-bit int and discard the high 32 bits. |
| 3784 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
| 3785 | __ sub(esp, Immediate(2 * kPointerSize)); |
| 3786 | __ fisttp_d(Operand(esp, 0)); |
| 3787 | |
| 3788 | // If conversion failed (NaN, infinity, or a number outside |
| 3789 | // signed int64 range), the result is 0x8000000000000000, and |
| 3790 | // we must handle this case in the runtime. |
| 3791 | Label ok; |
| 3792 | __ cmp(Operand(esp, kPointerSize), Immediate(0x80000000u)); |
| 3793 | __ j(not_equal, &ok); |
| 3794 | __ cmp(Operand(esp, 0), Immediate(0)); |
| 3795 | __ j(not_equal, &ok); |
| 3796 | __ add(esp, Immediate(2 * kPointerSize)); // Restore the stack. |
| 3797 | __ jmp(&slow); |
| 3798 | |
| 3799 | __ bind(&ok); |
| 3800 | __ pop(ebx); |
| 3801 | __ add(esp, Immediate(kPointerSize)); |
| 3802 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
| 3803 | } else { |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3804 | ASSERT(CpuFeatures::IsSupported(SSE2)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3805 | CpuFeatures::Scope scope(SSE2); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3806 | __ cvttsd2si(ebx, FieldOperand(eax, HeapNumber::kValueOffset)); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3807 | __ cmp(ebx, 0x80000000u); |
| 3808 | __ j(equal, &slow); |
| 3809 | // ebx: untagged integer value |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 3810 | switch (elements_kind) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3811 | case EXTERNAL_PIXEL_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3812 | __ ClampUint8(ebx); |
| 3813 | // Fall through. |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3814 | case EXTERNAL_BYTE_ELEMENTS: |
| 3815 | case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3816 | __ SmiUntag(ecx); |
| 3817 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3818 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3819 | case EXTERNAL_SHORT_ELEMENTS: |
| 3820 | case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3821 | __ mov_w(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3822 | break; |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3823 | case EXTERNAL_INT_ELEMENTS: |
| 3824 | case EXTERNAL_UNSIGNED_INT_ELEMENTS: |
| 3825 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
| 3826 | break; |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3827 | default: |
| 3828 | UNREACHABLE(); |
| 3829 | break; |
| 3830 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3831 | } |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3832 | __ ret(0); // Return original value. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3833 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3834 | } |
| 3835 | } |
| 3836 | |
| 3837 | // Slow case: call runtime. |
| 3838 | __ bind(&slow); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3839 | Counters* counters = masm->isolate()->counters(); |
| 3840 | __ IncrementCounter(counters->keyed_store_external_array_slow(), 1); |
| 3841 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3842 | // ----------- S t a t e ------------- |
| 3843 | // -- eax : value |
| 3844 | // -- ecx : key |
| 3845 | // -- edx : receiver |
| 3846 | // -- esp[0] : return address |
| 3847 | // ----------------------------------- |
| 3848 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3849 | Handle<Code> ic = masm->isolate()->builtins()->KeyedStoreIC_Slow(); |
| 3850 | __ jmp(ic, RelocInfo::CODE_TARGET); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3851 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3852 | // ----------- S t a t e ------------- |
| 3853 | // -- eax : value |
| 3854 | // -- ecx : key |
| 3855 | // -- edx : receiver |
| 3856 | // -- esp[0] : return address |
| 3857 | // ----------------------------------- |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3858 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3859 | __ bind(&miss_force_generic); |
| 3860 | Handle<Code> miss_ic = |
| 3861 | masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); |
| 3862 | __ jmp(miss_ic, RelocInfo::CODE_TARGET); |
| 3863 | } |
| 3864 | |
| 3865 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3866 | void KeyedLoadStubCompiler::GenerateLoadFastElement(MacroAssembler* masm) { |
| 3867 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3868 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3869 | // -- edx : receiver |
| 3870 | // -- esp[0] : return address |
| 3871 | // ----------------------------------- |
| 3872 | Label miss_force_generic; |
| 3873 | |
| 3874 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3875 | // have been verified by the caller to not be a smi. |
| 3876 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3877 | // Check that the key is a smi or a heap number convertible to a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3878 | GenerateSmiKeyCheck(masm, ecx, eax, xmm0, xmm1, &miss_force_generic); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3879 | |
| 3880 | // Get the elements array. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3881 | __ mov(eax, FieldOperand(edx, JSObject::kElementsOffset)); |
| 3882 | __ AssertFastElements(eax); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3883 | |
| 3884 | // Check that the key is within bounds. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3885 | __ cmp(ecx, FieldOperand(eax, FixedArray::kLengthOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3886 | __ j(above_equal, &miss_force_generic); |
| 3887 | |
| 3888 | // Load the result and make sure it's not the hole. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3889 | __ mov(ebx, Operand(eax, ecx, times_2, |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3890 | FixedArray::kHeaderSize - kHeapObjectTag)); |
| 3891 | __ cmp(ebx, masm->isolate()->factory()->the_hole_value()); |
| 3892 | __ j(equal, &miss_force_generic); |
| 3893 | __ mov(eax, ebx); |
| 3894 | __ ret(0); |
| 3895 | |
| 3896 | __ bind(&miss_force_generic); |
| 3897 | Handle<Code> miss_ic = |
| 3898 | masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric(); |
| 3899 | __ jmp(miss_ic, RelocInfo::CODE_TARGET); |
| 3900 | } |
| 3901 | |
| 3902 | |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3903 | void KeyedLoadStubCompiler::GenerateLoadFastDoubleElement( |
| 3904 | MacroAssembler* masm) { |
| 3905 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3906 | // -- ecx : key |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3907 | // -- edx : receiver |
| 3908 | // -- esp[0] : return address |
| 3909 | // ----------------------------------- |
| 3910 | Label miss_force_generic, slow_allocate_heapnumber; |
| 3911 | |
| 3912 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3913 | // have been verified by the caller to not be a smi. |
| 3914 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3915 | // Check that the key is a smi or a heap number convertible to a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3916 | GenerateSmiKeyCheck(masm, ecx, eax, xmm0, xmm1, &miss_force_generic); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3917 | |
| 3918 | // Get the elements array. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3919 | __ mov(eax, FieldOperand(edx, JSObject::kElementsOffset)); |
| 3920 | __ AssertFastElements(eax); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3921 | |
| 3922 | // Check that the key is within bounds. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3923 | __ cmp(ecx, FieldOperand(eax, FixedDoubleArray::kLengthOffset)); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3924 | __ j(above_equal, &miss_force_generic); |
| 3925 | |
| 3926 | // Check for the hole |
| 3927 | uint32_t offset = FixedDoubleArray::kHeaderSize + sizeof(kHoleNanLower32); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3928 | __ cmp(FieldOperand(eax, ecx, times_4, offset), Immediate(kHoleNanUpper32)); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3929 | __ j(equal, &miss_force_generic); |
| 3930 | |
| 3931 | // Always allocate a heap number for the result. |
| 3932 | if (CpuFeatures::IsSupported(SSE2)) { |
| 3933 | CpuFeatures::Scope use_sse2(SSE2); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3934 | __ movdbl(xmm0, FieldOperand(eax, ecx, times_4, |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3935 | FixedDoubleArray::kHeaderSize)); |
| 3936 | } else { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3937 | __ fld_d(FieldOperand(eax, ecx, times_4, FixedDoubleArray::kHeaderSize)); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3938 | } |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3939 | __ AllocateHeapNumber(eax, ebx, edi, &slow_allocate_heapnumber); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3940 | // Set the value. |
| 3941 | if (CpuFeatures::IsSupported(SSE2)) { |
| 3942 | CpuFeatures::Scope use_sse2(SSE2); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3943 | __ movdbl(FieldOperand(eax, HeapNumber::kValueOffset), xmm0); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3944 | } else { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3945 | __ fstp_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3946 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3947 | __ ret(0); |
| 3948 | |
| 3949 | __ bind(&slow_allocate_heapnumber); |
| 3950 | // A value was pushed on the floating point stack before the allocation, if |
| 3951 | // the allocation fails it needs to be removed. |
| 3952 | if (!CpuFeatures::IsSupported(SSE2)) { |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 3953 | __ fstp(0); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3954 | } |
| 3955 | Handle<Code> slow_ic = |
| 3956 | masm->isolate()->builtins()->KeyedLoadIC_Slow(); |
| 3957 | __ jmp(slow_ic, RelocInfo::CODE_TARGET); |
| 3958 | |
| 3959 | __ bind(&miss_force_generic); |
| 3960 | Handle<Code> miss_ic = |
| 3961 | masm->isolate()->builtins()->KeyedLoadIC_MissForceGeneric(); |
| 3962 | __ jmp(miss_ic, RelocInfo::CODE_TARGET); |
| 3963 | } |
| 3964 | |
| 3965 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3966 | void KeyedStoreStubCompiler::GenerateStoreFastElement( |
| 3967 | MacroAssembler* masm, |
| 3968 | bool is_js_array, |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3969 | ElementsKind elements_kind, |
| 3970 | KeyedAccessGrowMode grow_mode) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3971 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3972 | // -- eax : value |
| 3973 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3974 | // -- edx : receiver |
| 3975 | // -- esp[0] : return address |
| 3976 | // ----------------------------------- |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3977 | Label miss_force_generic, grow, slow, transition_elements_kind; |
| 3978 | Label check_capacity, prepare_slow, finish_store, commit_backing_store; |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3979 | |
| 3980 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3981 | // have been verified by the caller to not be a smi. |
| 3982 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3983 | // Check that the key is a smi or a heap number convertible to a smi. |
| 3984 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3985 | |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 3986 | if (IsFastSmiElementsKind(elements_kind)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3987 | __ JumpIfNotSmi(eax, &transition_elements_kind); |
| 3988 | } |
| 3989 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3990 | // Get the elements array and make sure it is a fast element array, not 'cow'. |
| 3991 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3992 | if (is_js_array) { |
| 3993 | // Check that the key is within bounds. |
| 3994 | __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3995 | if (grow_mode == ALLOW_JSARRAY_GROWTH) { |
| 3996 | __ j(above_equal, &grow); |
| 3997 | } else { |
| 3998 | __ j(above_equal, &miss_force_generic); |
| 3999 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 4000 | } else { |
| 4001 | // Check that the key is within bounds. |
| 4002 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. |
| 4003 | __ j(above_equal, &miss_force_generic); |
| 4004 | } |
| 4005 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4006 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 4007 | Immediate(masm->isolate()->factory()->fixed_array_map())); |
| 4008 | __ j(not_equal, &miss_force_generic); |
| 4009 | |
| 4010 | __ bind(&finish_store); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 4011 | if (IsFastSmiElementsKind(elements_kind)) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 4012 | // ecx is a smi, use times_half_pointer_size instead of |
| 4013 | // times_pointer_size |
| 4014 | __ mov(FieldOperand(edi, |
| 4015 | ecx, |
| 4016 | times_half_pointer_size, |
| 4017 | FixedArray::kHeaderSize), eax); |
| 4018 | } else { |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 4019 | ASSERT(IsFastObjectElementsKind(elements_kind)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 4020 | // Do the store and update the write barrier. |
| 4021 | // ecx is a smi, use times_half_pointer_size instead of |
| 4022 | // times_pointer_size |
| 4023 | __ lea(ecx, FieldOperand(edi, |
| 4024 | ecx, |
| 4025 | times_half_pointer_size, |
| 4026 | FixedArray::kHeaderSize)); |
| 4027 | __ mov(Operand(ecx, 0), eax); |
| 4028 | // Make sure to preserve the value in register eax. |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4029 | __ mov(ebx, eax); |
| 4030 | __ RecordWrite(edi, ecx, ebx, kDontSaveFPRegs); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 4031 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 4032 | |
| 4033 | // Done. |
| 4034 | __ ret(0); |
| 4035 | |
| 4036 | // Handle store cache miss, replacing the ic with the generic stub. |
| 4037 | __ bind(&miss_force_generic); |
| 4038 | Handle<Code> ic_force_generic = |
| 4039 | masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); |
| 4040 | __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 4041 | |
| 4042 | // Handle transition to other elements kinds without using the generic stub. |
| 4043 | __ bind(&transition_elements_kind); |
| 4044 | Handle<Code> ic_miss = masm->isolate()->builtins()->KeyedStoreIC_Miss(); |
| 4045 | __ jmp(ic_miss, RelocInfo::CODE_TARGET); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4046 | |
| 4047 | if (is_js_array && grow_mode == ALLOW_JSARRAY_GROWTH) { |
| 4048 | // Handle transition requiring the array to grow. |
| 4049 | __ bind(&grow); |
| 4050 | |
| 4051 | // Make sure the array is only growing by a single element, anything else |
| 4052 | // must be handled by the runtime. Flags are already set by previous |
| 4053 | // compare. |
| 4054 | __ j(not_equal, &miss_force_generic); |
| 4055 | |
| 4056 | // Check for the empty array, and preallocate a small backing store if |
| 4057 | // possible. |
| 4058 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 4059 | __ cmp(edi, Immediate(masm->isolate()->factory()->empty_fixed_array())); |
| 4060 | __ j(not_equal, &check_capacity); |
| 4061 | |
| 4062 | int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements); |
| 4063 | __ AllocateInNewSpace(size, edi, ebx, ecx, &prepare_slow, TAG_OBJECT); |
| 4064 | // Restore the key, which is known to be the array length. |
| 4065 | |
| 4066 | // eax: value |
| 4067 | // ecx: key |
| 4068 | // edx: receiver |
| 4069 | // edi: elements |
| 4070 | // Make sure that the backing store can hold additional elements. |
| 4071 | __ mov(FieldOperand(edi, JSObject::kMapOffset), |
| 4072 | Immediate(masm->isolate()->factory()->fixed_array_map())); |
| 4073 | __ mov(FieldOperand(edi, FixedArray::kLengthOffset), |
| 4074 | Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); |
| 4075 | __ mov(ebx, Immediate(masm->isolate()->factory()->the_hole_value())); |
| 4076 | for (int i = 1; i < JSArray::kPreallocatedArrayElements; ++i) { |
| 4077 | __ mov(FieldOperand(edi, FixedArray::SizeFor(i)), ebx); |
| 4078 | } |
| 4079 | |
| 4080 | // Store the element at index zero. |
| 4081 | __ mov(FieldOperand(edi, FixedArray::SizeFor(0)), eax); |
| 4082 | |
| 4083 | // Install the new backing store in the JSArray. |
| 4084 | __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); |
| 4085 | __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, |
| 4086 | kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
| 4087 | |
| 4088 | // Increment the length of the array. |
| 4089 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), |
| 4090 | Immediate(Smi::FromInt(1))); |
| 4091 | __ ret(0); |
| 4092 | |
| 4093 | __ bind(&check_capacity); |
| 4094 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 4095 | Immediate(masm->isolate()->factory()->fixed_cow_array_map())); |
| 4096 | __ j(equal, &miss_force_generic); |
| 4097 | |
| 4098 | // eax: value |
| 4099 | // ecx: key |
| 4100 | // edx: receiver |
| 4101 | // edi: elements |
| 4102 | // Make sure that the backing store can hold additional elements. |
| 4103 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); |
| 4104 | __ j(above_equal, &slow); |
| 4105 | |
| 4106 | // Grow the array and finish the store. |
| 4107 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 4108 | Immediate(Smi::FromInt(1))); |
| 4109 | __ jmp(&finish_store); |
| 4110 | |
| 4111 | __ bind(&prepare_slow); |
| 4112 | // Restore the key, which is known to be the array length. |
| 4113 | __ mov(ecx, Immediate(0)); |
| 4114 | |
| 4115 | __ bind(&slow); |
| 4116 | Handle<Code> ic_slow = masm->isolate()->builtins()->KeyedStoreIC_Slow(); |
| 4117 | __ jmp(ic_slow, RelocInfo::CODE_TARGET); |
| 4118 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 4119 | } |
| 4120 | |
| 4121 | |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4122 | void KeyedStoreStubCompiler::GenerateStoreFastDoubleElement( |
| 4123 | MacroAssembler* masm, |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4124 | bool is_js_array, |
| 4125 | KeyedAccessGrowMode grow_mode) { |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4126 | // ----------- S t a t e ------------- |
| 4127 | // -- eax : value |
| 4128 | // -- ecx : key |
| 4129 | // -- edx : receiver |
| 4130 | // -- esp[0] : return address |
| 4131 | // ----------------------------------- |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4132 | Label miss_force_generic, transition_elements_kind, grow, slow; |
| 4133 | Label check_capacity, prepare_slow, finish_store, commit_backing_store; |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4134 | |
| 4135 | // This stub is meant to be tail-jumped to, the receiver must already |
| 4136 | // have been verified by the caller to not be a smi. |
| 4137 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 4138 | // Check that the key is a smi or a heap number convertible to a smi. |
| 4139 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4140 | |
| 4141 | // Get the elements array. |
| 4142 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 4143 | __ AssertFastElements(edi); |
| 4144 | |
| 4145 | if (is_js_array) { |
| 4146 | // Check that the key is within bounds. |
| 4147 | __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4148 | if (grow_mode == ALLOW_JSARRAY_GROWTH) { |
| 4149 | __ j(above_equal, &grow); |
| 4150 | } else { |
| 4151 | __ j(above_equal, &miss_force_generic); |
| 4152 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4153 | } else { |
| 4154 | // Check that the key is within bounds. |
| 4155 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 4156 | __ j(above_equal, &miss_force_generic); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4157 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4158 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4159 | __ bind(&finish_store); |
| 4160 | __ StoreNumberToDoubleElements(eax, edi, ecx, edx, xmm0, |
| 4161 | &transition_elements_kind, true); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4162 | __ ret(0); |
| 4163 | |
| 4164 | // Handle store cache miss, replacing the ic with the generic stub. |
| 4165 | __ bind(&miss_force_generic); |
| 4166 | Handle<Code> ic_force_generic = |
| 4167 | masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); |
| 4168 | __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 4169 | |
| 4170 | // Handle transition to other elements kinds without using the generic stub. |
| 4171 | __ bind(&transition_elements_kind); |
| 4172 | Handle<Code> ic_miss = masm->isolate()->builtins()->KeyedStoreIC_Miss(); |
| 4173 | __ jmp(ic_miss, RelocInfo::CODE_TARGET); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4174 | |
| 4175 | if (is_js_array && grow_mode == ALLOW_JSARRAY_GROWTH) { |
| 4176 | // Handle transition requiring the array to grow. |
| 4177 | __ bind(&grow); |
| 4178 | |
| 4179 | // Make sure the array is only growing by a single element, anything else |
| 4180 | // must be handled by the runtime. Flags are already set by previous |
| 4181 | // compare. |
| 4182 | __ j(not_equal, &miss_force_generic); |
| 4183 | |
| 4184 | // Transition on values that can't be stored in a FixedDoubleArray. |
| 4185 | Label value_is_smi; |
| 4186 | __ JumpIfSmi(eax, &value_is_smi); |
| 4187 | __ cmp(FieldOperand(eax, HeapObject::kMapOffset), |
| 4188 | Immediate(Handle<Map>(masm->isolate()->heap()->heap_number_map()))); |
| 4189 | __ j(not_equal, &transition_elements_kind); |
| 4190 | __ bind(&value_is_smi); |
| 4191 | |
| 4192 | // Check for the empty array, and preallocate a small backing store if |
| 4193 | // possible. |
| 4194 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 4195 | __ cmp(edi, Immediate(masm->isolate()->factory()->empty_fixed_array())); |
| 4196 | __ j(not_equal, &check_capacity); |
| 4197 | |
| 4198 | int size = FixedDoubleArray::SizeFor(JSArray::kPreallocatedArrayElements); |
| 4199 | __ AllocateInNewSpace(size, edi, ebx, ecx, &prepare_slow, TAG_OBJECT); |
erik.corry@gmail.com | ed49e96 | 2012-04-17 11:57:53 +0000 | [diff] [blame] | 4200 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4201 | // Restore the key, which is known to be the array length. |
| 4202 | __ mov(ecx, Immediate(0)); |
| 4203 | |
| 4204 | // eax: value |
| 4205 | // ecx: key |
| 4206 | // edx: receiver |
| 4207 | // edi: elements |
| 4208 | // Initialize the new FixedDoubleArray. Leave elements unitialized for |
| 4209 | // efficiency, they are guaranteed to be initialized before use. |
| 4210 | __ mov(FieldOperand(edi, JSObject::kMapOffset), |
| 4211 | Immediate(masm->isolate()->factory()->fixed_double_array_map())); |
| 4212 | __ mov(FieldOperand(edi, FixedDoubleArray::kLengthOffset), |
| 4213 | Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); |
| 4214 | |
| 4215 | // Install the new backing store in the JSArray. |
| 4216 | __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); |
| 4217 | __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, |
| 4218 | kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
| 4219 | |
| 4220 | // Increment the length of the array. |
| 4221 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 4222 | Immediate(Smi::FromInt(1))); |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 4223 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 4224 | __ jmp(&finish_store); |
| 4225 | |
| 4226 | __ bind(&check_capacity); |
| 4227 | // eax: value |
| 4228 | // ecx: key |
| 4229 | // edx: receiver |
| 4230 | // edi: elements |
| 4231 | // Make sure that the backing store can hold additional elements. |
| 4232 | __ cmp(ecx, FieldOperand(edi, FixedDoubleArray::kLengthOffset)); |
| 4233 | __ j(above_equal, &slow); |
| 4234 | |
| 4235 | // Grow the array and finish the store. |
| 4236 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 4237 | Immediate(Smi::FromInt(1))); |
| 4238 | __ jmp(&finish_store); |
| 4239 | |
| 4240 | __ bind(&prepare_slow); |
| 4241 | // Restore the key, which is known to be the array length. |
| 4242 | __ mov(ecx, Immediate(0)); |
| 4243 | |
| 4244 | __ bind(&slow); |
| 4245 | Handle<Code> ic_slow = masm->isolate()->builtins()->KeyedStoreIC_Slow(); |
| 4246 | __ jmp(ic_slow, RelocInfo::CODE_TARGET); |
| 4247 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 4248 | } |
| 4249 | |
| 4250 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 4251 | #undef __ |
| 4252 | |
| 4253 | } } // namespace v8::internal |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 4254 | |
| 4255 | #endif // V8_TARGET_ARCH_IA32 |