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. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 144 | // Name must be unique 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, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 148 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 149 | Register r0, |
| 150 | Register r1) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 151 | ASSERT(name->IsUniqueName()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 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; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 180 | NameDictionaryLookupStub::GenerateNegativeLookup(masm, |
| 181 | miss_label, |
| 182 | &done, |
| 183 | properties, |
| 184 | name, |
| 185 | r1); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 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 | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 230 | __ mov(offset, FieldOperand(name, Name::kHashFieldOffset)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 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 | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 244 | __ mov(offset, FieldOperand(name, Name::kHashFieldOffset)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 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. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 279 | __ cmp(Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)), |
| 280 | masm->isolate()->global_object()); |
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( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 284 | JSFunction::cast(masm->isolate()->native_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 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 372 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
| 373 | Register dst, |
| 374 | Register src, |
| 375 | bool inobject, |
| 376 | int index, |
| 377 | Representation representation) { |
| 378 | ASSERT(!FLAG_track_double_fields || !representation.IsDouble()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 379 | int offset = index * kPointerSize; |
| 380 | if (!inobject) { |
| 381 | // Calculate the offset into the properties array. |
| 382 | offset = offset + FixedArray::kHeaderSize; |
| 383 | __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
| 384 | src = dst; |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 385 | } |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 386 | __ mov(dst, FieldOperand(src, offset)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 387 | } |
| 388 | |
| 389 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 390 | static void PushInterceptorArguments(MacroAssembler* masm, |
| 391 | Register receiver, |
| 392 | Register holder, |
| 393 | Register name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 394 | Handle<JSObject> holder_obj) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 395 | __ push(name); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 396 | Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor()); |
| 397 | ASSERT(!masm->isolate()->heap()->InNewSpace(*interceptor)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 398 | Register scratch = name; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 399 | __ mov(scratch, Immediate(interceptor)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 400 | __ push(scratch); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 401 | __ push(receiver); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 402 | __ push(holder); |
| 403 | __ push(FieldOperand(scratch, InterceptorInfo::kDataOffset)); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 404 | __ push(Immediate(reinterpret_cast<int>(masm->isolate()))); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 408 | static void CompileCallLoadPropertyWithInterceptor( |
| 409 | MacroAssembler* masm, |
| 410 | Register receiver, |
| 411 | Register holder, |
| 412 | Register name, |
| 413 | Handle<JSObject> holder_obj) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 414 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 415 | __ CallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 416 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly), |
| 417 | masm->isolate()), |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 418 | 6); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 422 | // Number of pointers to be reserved on stack for fast API call. |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 423 | static const int kFastApiCallArguments = FunctionCallbackArguments::kArgsLength; |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 424 | |
| 425 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 426 | // Reserves space for the extra arguments to API function in the |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 427 | // caller's frame. |
| 428 | // |
| 429 | // These arguments are set by CheckPrototypes and GenerateFastApiCall. |
| 430 | static void ReserveSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 431 | // ----------- S t a t e ------------- |
| 432 | // -- esp[0] : return address |
| 433 | // -- esp[4] : last argument in the internal frame of the caller |
| 434 | // ----------------------------------- |
| 435 | __ pop(scratch); |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 436 | for (int i = 0; i < kFastApiCallArguments; i++) { |
| 437 | __ push(Immediate(Smi::FromInt(0))); |
| 438 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 439 | __ push(scratch); |
| 440 | } |
| 441 | |
| 442 | |
| 443 | // Undoes the effects of ReserveSpaceForFastApiCall. |
| 444 | static void FreeSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 445 | // ----------- S t a t e ------------- |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 446 | // -- esp[0] : return address. |
| 447 | // -- esp[4] : last fast api call extra argument. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 448 | // -- ... |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 449 | // -- esp[kFastApiCallArguments * 4] : first fast api call extra argument. |
| 450 | // -- esp[kFastApiCallArguments * 4 + 4] : last argument in the internal |
| 451 | // frame. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 452 | // ----------------------------------- |
| 453 | __ pop(scratch); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 454 | __ add(esp, Immediate(kPointerSize * kFastApiCallArguments)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 455 | __ push(scratch); |
| 456 | } |
| 457 | |
| 458 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 459 | // Generates call to API function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 460 | static void GenerateFastApiCall(MacroAssembler* masm, |
| 461 | const CallOptimization& optimization, |
| 462 | int argc) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 463 | // ----------- S t a t e ------------- |
| 464 | // -- esp[0] : return address |
| 465 | // -- esp[4] : object passing the type check |
| 466 | // (last fast api call extra argument, |
| 467 | // set by CheckPrototypes) |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 468 | // -- esp[8] : api function |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 469 | // (first fast api call extra argument) |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 470 | // -- esp[12] : api call data |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 471 | // -- esp[16] : isolate |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 472 | // -- esp[20] : ReturnValue |
| 473 | // -- esp[24] : last argument |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 474 | // -- ... |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 475 | // -- esp[(argc + 5) * 4] : first argument |
| 476 | // -- esp[(argc + 6) * 4] : receiver |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 477 | // ----------------------------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 478 | // Get the function and setup the context. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 479 | Handle<JSFunction> function = optimization.constant_function(); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 480 | __ LoadHeapObject(edi, function); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 481 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 482 | |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 483 | // Pass the additional arguments. |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 484 | __ mov(Operand(esp, 2 * kPointerSize), edi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 485 | Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 486 | Handle<Object> call_data(api_call_info->data(), masm->isolate()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 487 | if (masm->isolate()->heap()->InNewSpace(*call_data)) { |
| 488 | __ mov(ecx, api_call_info); |
ager@chromium.org | 01fe7df | 2010-11-10 11:59:11 +0000 | [diff] [blame] | 489 | __ mov(ebx, FieldOperand(ecx, CallHandlerInfo::kDataOffset)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 490 | __ mov(Operand(esp, 3 * kPointerSize), ebx); |
| 491 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 492 | __ mov(Operand(esp, 3 * kPointerSize), Immediate(call_data)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 493 | } |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 494 | __ mov(Operand(esp, 4 * kPointerSize), |
| 495 | Immediate(reinterpret_cast<int>(masm->isolate()))); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 496 | __ mov(Operand(esp, 5 * kPointerSize), |
| 497 | masm->isolate()->factory()->undefined_value()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 498 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 499 | // Prepare arguments. |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 500 | STATIC_ASSERT(kFastApiCallArguments == 5); |
| 501 | __ lea(eax, Operand(esp, kFastApiCallArguments * kPointerSize)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 502 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 503 | 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] | 504 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 505 | // Allocate the v8::Arguments structure in the arguments' space since |
| 506 | // it's not controlled by GC. |
| 507 | const int kApiStackSpace = 4; |
| 508 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 509 | // Function address is a foreign pointer outside V8's heap. |
| 510 | Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 511 | bool returns_handle = |
| 512 | !CallbackTable::ReturnsVoid(masm->isolate(), |
| 513 | reinterpret_cast<void*>(function_address)); |
| 514 | __ PrepareCallApiFunction(kApiArgc + kApiStackSpace, returns_handle); |
| 515 | |
| 516 | // v8::Arguments::implicit_args_. |
| 517 | __ mov(ApiParameterOperand(1, returns_handle), eax); |
| 518 | __ add(eax, Immediate(argc * kPointerSize)); |
| 519 | // v8::Arguments::values_. |
| 520 | __ mov(ApiParameterOperand(2, returns_handle), eax); |
| 521 | // v8::Arguments::length_. |
| 522 | __ Set(ApiParameterOperand(3, returns_handle), Immediate(argc)); |
| 523 | // v8::Arguments::is_construct_call_. |
| 524 | __ Set(ApiParameterOperand(4, returns_handle), Immediate(0)); |
| 525 | |
| 526 | // v8::InvocationCallback's argument. |
| 527 | __ lea(eax, ApiParameterOperand(1, returns_handle)); |
| 528 | __ mov(ApiParameterOperand(0, returns_handle), eax); |
| 529 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 530 | __ CallApiFunctionAndReturn(function_address, |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 531 | argc + kFastApiCallArguments + 1, |
| 532 | returns_handle, |
| 533 | kFastApiCallArguments + 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 534 | } |
| 535 | |
| 536 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 537 | class CallInterceptorCompiler BASE_EMBEDDED { |
| 538 | public: |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 539 | CallInterceptorCompiler(StubCompiler* stub_compiler, |
| 540 | const ParameterCount& arguments, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 541 | Register name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 542 | Code::ExtraICState extra_state) |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 543 | : stub_compiler_(stub_compiler), |
| 544 | arguments_(arguments), |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 545 | name_(name), |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 546 | extra_state_(extra_state) {} |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 547 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 548 | void Compile(MacroAssembler* masm, |
| 549 | Handle<JSObject> object, |
| 550 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 551 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 552 | LookupResult* lookup, |
| 553 | Register receiver, |
| 554 | Register scratch1, |
| 555 | Register scratch2, |
| 556 | Register scratch3, |
| 557 | Label* miss) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 558 | ASSERT(holder->HasNamedInterceptor()); |
| 559 | ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 560 | |
| 561 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 562 | __ JumpIfSmi(receiver, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 563 | |
| 564 | CallOptimization optimization(lookup); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 565 | if (optimization.is_constant_call()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 566 | CompileCacheable(masm, object, receiver, scratch1, scratch2, scratch3, |
| 567 | holder, lookup, name, optimization, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 568 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 569 | CompileRegular(masm, object, receiver, scratch1, scratch2, scratch3, |
| 570 | name, holder, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 571 | } |
| 572 | } |
| 573 | |
| 574 | private: |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 575 | void CompileCacheable(MacroAssembler* masm, |
| 576 | Handle<JSObject> object, |
| 577 | Register receiver, |
| 578 | Register scratch1, |
| 579 | Register scratch2, |
| 580 | Register scratch3, |
| 581 | Handle<JSObject> interceptor_holder, |
| 582 | LookupResult* lookup, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 583 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 584 | const CallOptimization& optimization, |
| 585 | Label* miss_label) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 586 | ASSERT(optimization.is_constant_call()); |
| 587 | ASSERT(!lookup->holder()->IsGlobalObject()); |
| 588 | |
| 589 | int depth1 = kInvalidProtoDepth; |
| 590 | int depth2 = kInvalidProtoDepth; |
| 591 | bool can_do_fast_api_call = false; |
| 592 | if (optimization.is_simple_api_call() && |
| 593 | !lookup->holder()->IsGlobalObject()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 594 | depth1 = optimization.GetPrototypeDepthOfExpectedType( |
| 595 | object, interceptor_holder); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 596 | if (depth1 == kInvalidProtoDepth) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 597 | depth2 = optimization.GetPrototypeDepthOfExpectedType( |
| 598 | interceptor_holder, Handle<JSObject>(lookup->holder())); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 599 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 600 | can_do_fast_api_call = |
| 601 | depth1 != kInvalidProtoDepth || depth2 != kInvalidProtoDepth; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 602 | } |
| 603 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 604 | Counters* counters = masm->isolate()->counters(); |
| 605 | __ IncrementCounter(counters->call_const_interceptor(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 606 | |
| 607 | if (can_do_fast_api_call) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 608 | __ IncrementCounter(counters->call_const_interceptor_fast_api(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 609 | ReserveSpaceForFastApiCall(masm, scratch1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 610 | } |
| 611 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 612 | // Check that the maps from receiver to interceptor's holder |
| 613 | // haven't changed and thus we can invoke interceptor. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 614 | Label miss_cleanup; |
| 615 | Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label; |
| 616 | Register holder = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 617 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
| 618 | scratch1, scratch2, scratch3, |
| 619 | name, depth1, miss); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 620 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 621 | // Invoke an interceptor and if it provides a value, |
| 622 | // branch to |regular_invoke|. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 623 | Label regular_invoke; |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 624 | LoadWithInterceptor(masm, receiver, holder, interceptor_holder, |
| 625 | ®ular_invoke); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 626 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 627 | // Interceptor returned nothing for this property. Try to use cached |
| 628 | // constant function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 629 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 630 | // Check that the maps from interceptor's holder to constant function's |
| 631 | // 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] | 632 | if (*interceptor_holder != lookup->holder()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 633 | stub_compiler_->CheckPrototypes(interceptor_holder, receiver, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 634 | Handle<JSObject>(lookup->holder()), |
| 635 | scratch1, scratch2, scratch3, |
| 636 | name, depth2, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 637 | } else { |
| 638 | // CheckPrototypes has a side effect of fetching a 'holder' |
| 639 | // for API (object which is instanceof for the signature). It's |
| 640 | // safe to omit it here, as if present, it should be fetched |
| 641 | // by the previous CheckPrototypes. |
| 642 | ASSERT(depth2 == kInvalidProtoDepth); |
| 643 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 644 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 645 | // Invoke function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 646 | if (can_do_fast_api_call) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 647 | GenerateFastApiCall(masm, optimization, arguments_.immediate()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 648 | } else { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 649 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 650 | ? CALL_AS_FUNCTION |
| 651 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 652 | Handle<JSFunction> function = optimization.constant_function(); |
| 653 | ParameterCount expected(function); |
| 654 | __ InvokeFunction(function, expected, arguments_, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 655 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 656 | } |
| 657 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 658 | // Deferred code for fast API call case---clean preallocated space. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 659 | if (can_do_fast_api_call) { |
| 660 | __ bind(&miss_cleanup); |
| 661 | FreeSpaceForFastApiCall(masm, scratch1); |
| 662 | __ jmp(miss_label); |
| 663 | } |
| 664 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 665 | // Invoke a regular function. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 666 | __ bind(®ular_invoke); |
| 667 | if (can_do_fast_api_call) { |
| 668 | FreeSpaceForFastApiCall(masm, scratch1); |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | void CompileRegular(MacroAssembler* masm, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 673 | Handle<JSObject> object, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 674 | Register receiver, |
| 675 | Register scratch1, |
| 676 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 677 | Register scratch3, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 678 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 679 | Handle<JSObject> interceptor_holder, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 680 | Label* miss_label) { |
| 681 | Register holder = |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 682 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 683 | scratch1, scratch2, scratch3, |
| 684 | name, miss_label); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 685 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 686 | FrameScope scope(masm, StackFrame::INTERNAL); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 687 | // Save the name_ register across the call. |
| 688 | __ push(name_); |
| 689 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 690 | PushInterceptorArguments(masm, receiver, holder, name_, interceptor_holder); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 691 | |
| 692 | __ CallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 693 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForCall), |
| 694 | masm->isolate()), |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 695 | 6); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 696 | |
| 697 | // Restore the name_ register. |
| 698 | __ pop(name_); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 699 | |
| 700 | // Leave the internal frame. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 701 | } |
| 702 | |
| 703 | void LoadWithInterceptor(MacroAssembler* masm, |
| 704 | Register receiver, |
| 705 | Register holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 706 | Handle<JSObject> holder_obj, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 707 | Label* interceptor_succeeded) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 708 | { |
| 709 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 710 | __ push(holder); // Save the holder. |
| 711 | __ push(name_); // Save the name. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 712 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 713 | CompileCallLoadPropertyWithInterceptor(masm, |
| 714 | receiver, |
| 715 | holder, |
| 716 | name_, |
| 717 | holder_obj); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 718 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 719 | __ pop(name_); // Restore the name. |
| 720 | __ pop(receiver); // Restore the holder. |
| 721 | // Leave the internal frame. |
| 722 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 723 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 724 | __ cmp(eax, masm->isolate()->factory()->no_interceptor_result_sentinel()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 725 | __ j(not_equal, interceptor_succeeded); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 726 | } |
| 727 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 728 | StubCompiler* stub_compiler_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 729 | const ParameterCount& arguments_; |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 730 | Register name_; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 731 | Code::ExtraICState extra_state_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 732 | }; |
| 733 | |
| 734 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 735 | void BaseStoreStubCompiler::GenerateRestoreName(MacroAssembler* masm, |
| 736 | Label* label, |
| 737 | Handle<Name> name) { |
| 738 | if (!label->is_unused()) { |
| 739 | __ bind(label); |
| 740 | __ mov(this->name(), Immediate(name)); |
| 741 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 745 | // Generate code to check that a global property cell is empty. Create |
| 746 | // the property cell at compilation time if no cell exists for the |
| 747 | // property. |
| 748 | static void GenerateCheckPropertyCell(MacroAssembler* masm, |
| 749 | Handle<GlobalObject> global, |
| 750 | Handle<Name> name, |
| 751 | Register scratch, |
| 752 | Label* miss) { |
| 753 | Handle<JSGlobalPropertyCell> cell = |
| 754 | GlobalObject::EnsurePropertyCell(global, name); |
| 755 | ASSERT(cell->value()->IsTheHole()); |
| 756 | Handle<Oddball> the_hole = masm->isolate()->factory()->the_hole_value(); |
| 757 | if (Serializer::enabled()) { |
| 758 | __ mov(scratch, Immediate(cell)); |
| 759 | __ cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset), |
| 760 | Immediate(the_hole)); |
| 761 | } else { |
| 762 | __ cmp(Operand::Cell(cell), Immediate(the_hole)); |
| 763 | } |
| 764 | __ j(not_equal, miss); |
| 765 | } |
| 766 | |
| 767 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 768 | // Both name_reg and receiver_reg are preserved on jumps to miss_label, |
| 769 | // but may be destroyed if store is successful. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 770 | void StubCompiler::GenerateStoreTransition(MacroAssembler* masm, |
| 771 | Handle<JSObject> object, |
| 772 | LookupResult* lookup, |
| 773 | Handle<Map> transition, |
| 774 | Handle<Name> name, |
| 775 | Register receiver_reg, |
| 776 | Register name_reg, |
| 777 | Register value_reg, |
| 778 | Register scratch1, |
| 779 | Register scratch2, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 780 | Register unused, |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 781 | Label* miss_label, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 782 | Label* miss_restore_name, |
| 783 | Label* slow) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 784 | // Check that the map of the object hasn't changed. |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 785 | __ CheckMap(receiver_reg, Handle<Map>(object->map()), |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 786 | miss_label, DO_SMI_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 787 | |
| 788 | // Perform global security token check if needed. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 789 | if (object->IsJSGlobalProxy()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 790 | __ CheckAccessGlobalProxy(receiver_reg, scratch1, scratch2, miss_label); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 791 | } |
| 792 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 793 | int descriptor = transition->LastAdded(); |
| 794 | DescriptorArray* descriptors = transition->instance_descriptors(); |
| 795 | PropertyDetails details = descriptors->GetDetails(descriptor); |
| 796 | Representation representation = details.representation(); |
| 797 | ASSERT(!representation.IsNone()); |
| 798 | |
| 799 | // Ensure no transitions to deprecated maps are followed. |
| 800 | __ CheckMapDeprecated(transition, scratch1, miss_label); |
| 801 | |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 802 | // Check that we are allowed to write this. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 803 | if (object->GetPrototype()->IsJSObject()) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 804 | JSObject* holder; |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 805 | // holder == object indicates that no property was found. |
| 806 | if (lookup->holder() != *object) { |
| 807 | holder = lookup->holder(); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 808 | } else { |
| 809 | // Find the top object. |
| 810 | holder = *object; |
| 811 | do { |
| 812 | holder = JSObject::cast(holder->GetPrototype()); |
| 813 | } while (holder->GetPrototype()->IsJSObject()); |
| 814 | } |
| 815 | // We need an extra register, push |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 816 | Register holder_reg = CheckPrototypes( |
| 817 | object, receiver_reg, Handle<JSObject>(holder), name_reg, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 818 | scratch1, scratch2, name, miss_restore_name, SKIP_RECEIVER); |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 819 | // If no property was found, and the holder (the last object in the |
| 820 | // prototype chain) is in slow mode, we need to do a negative lookup on the |
| 821 | // holder. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 822 | if (lookup->holder() == *object) { |
| 823 | if (holder->IsJSGlobalObject()) { |
| 824 | GenerateCheckPropertyCell( |
| 825 | masm, |
| 826 | Handle<GlobalObject>(GlobalObject::cast(holder)), |
| 827 | name, |
| 828 | scratch1, |
| 829 | miss_restore_name); |
| 830 | } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { |
| 831 | GenerateDictionaryNegativeLookup( |
| 832 | masm, miss_restore_name, holder_reg, name, scratch1, scratch2); |
| 833 | } |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 834 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 835 | } |
| 836 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 837 | Register storage_reg = name_reg; |
| 838 | |
| 839 | if (FLAG_track_fields && representation.IsSmi()) { |
| 840 | __ JumpIfNotSmi(value_reg, miss_restore_name); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 841 | } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) { |
| 842 | __ JumpIfSmi(value_reg, miss_restore_name); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 843 | } else if (FLAG_track_double_fields && representation.IsDouble()) { |
| 844 | Label do_store, heap_number; |
| 845 | __ AllocateHeapNumber(storage_reg, scratch1, scratch2, slow); |
| 846 | |
| 847 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 848 | __ SmiUntag(value_reg); |
| 849 | if (CpuFeatures::IsSupported(SSE2)) { |
| 850 | CpuFeatureScope use_sse2(masm, SSE2); |
| 851 | __ cvtsi2sd(xmm0, value_reg); |
| 852 | } else { |
| 853 | __ push(value_reg); |
| 854 | __ fild_s(Operand(esp, 0)); |
| 855 | __ pop(value_reg); |
| 856 | } |
| 857 | __ SmiTag(value_reg); |
| 858 | __ jmp(&do_store); |
| 859 | |
| 860 | __ bind(&heap_number); |
| 861 | __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(), |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 862 | miss_restore_name, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 863 | if (CpuFeatures::IsSupported(SSE2)) { |
| 864 | CpuFeatureScope use_sse2(masm, SSE2); |
| 865 | __ movdbl(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset)); |
| 866 | } else { |
| 867 | __ fld_d(FieldOperand(value_reg, HeapNumber::kValueOffset)); |
| 868 | } |
| 869 | |
| 870 | __ bind(&do_store); |
| 871 | if (CpuFeatures::IsSupported(SSE2)) { |
| 872 | CpuFeatureScope use_sse2(masm, SSE2); |
| 873 | __ movdbl(FieldOperand(storage_reg, HeapNumber::kValueOffset), xmm0); |
| 874 | } else { |
| 875 | __ fstp_d(FieldOperand(storage_reg, HeapNumber::kValueOffset)); |
| 876 | } |
| 877 | } |
| 878 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 879 | // Stub never generated for non-global objects that require access |
| 880 | // checks. |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 881 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 882 | |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 883 | // Perform map transition for the receiver if necessary. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 884 | if (object->map()->unused_property_fields() == 0) { |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 885 | // The properties must be extended before we can store the value. |
ager@chromium.org | 3291210 | 2009-01-16 10:38:43 +0000 | [diff] [blame] | 886 | // We jump to a runtime call that extends the properties array. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 887 | __ pop(scratch1); // Return address. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 888 | __ push(receiver_reg); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 889 | __ push(Immediate(transition)); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 890 | __ push(value_reg); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 891 | __ push(scratch1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 892 | __ TailCallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 893 | ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), |
| 894 | masm->isolate()), |
| 895 | 3, |
| 896 | 1); |
kasperl@chromium.org | 1accd57 | 2008-10-07 10:57:21 +0000 | [diff] [blame] | 897 | return; |
| 898 | } |
| 899 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 900 | // Update the map of the object. |
| 901 | __ mov(scratch1, Immediate(transition)); |
| 902 | __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), scratch1); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 903 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 904 | // Update the write barrier for the map field. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 905 | __ RecordWriteField(receiver_reg, |
| 906 | HeapObject::kMapOffset, |
| 907 | scratch1, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 908 | scratch2, |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 909 | kDontSaveFPRegs, |
| 910 | OMIT_REMEMBERED_SET, |
| 911 | OMIT_SMI_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 912 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 913 | int index = transition->instance_descriptors()->GetFieldIndex( |
| 914 | transition->LastAdded()); |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 915 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 916 | // Adjust for the number of properties stored in the object. Even in the |
| 917 | // face of a transition we can use the old map here because the size of the |
| 918 | // object and the number of in-object properties is not going to change. |
| 919 | index -= object->map()->inobject_properties(); |
| 920 | |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 921 | SmiCheck smi_check = representation.IsTagged() |
| 922 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 923 | // TODO(verwaest): Share this code as a code stub. |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 924 | if (index < 0) { |
| 925 | // Set the property straight into the object. |
| 926 | int offset = object->map()->instance_size() + (index * kPointerSize); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 927 | if (FLAG_track_double_fields && representation.IsDouble()) { |
| 928 | __ mov(FieldOperand(receiver_reg, offset), storage_reg); |
| 929 | } else { |
| 930 | __ mov(FieldOperand(receiver_reg, offset), value_reg); |
| 931 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 932 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 933 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 934 | // Update the write barrier for the array address. |
| 935 | // Pass the value being stored in the now unused name_reg. |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 936 | if (!FLAG_track_double_fields || !representation.IsDouble()) { |
| 937 | __ mov(name_reg, value_reg); |
| 938 | } else { |
| 939 | ASSERT(storage_reg.is(name_reg)); |
| 940 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 941 | __ RecordWriteField(receiver_reg, |
| 942 | offset, |
| 943 | name_reg, |
| 944 | scratch1, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 945 | kDontSaveFPRegs, |
| 946 | EMIT_REMEMBERED_SET, |
| 947 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 948 | } |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 949 | } else { |
| 950 | // Write to the properties array. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 951 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 952 | // Get the properties array (optimistically). |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 953 | __ mov(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 954 | if (FLAG_track_double_fields && representation.IsDouble()) { |
| 955 | __ mov(FieldOperand(scratch1, offset), storage_reg); |
| 956 | } else { |
| 957 | __ mov(FieldOperand(scratch1, offset), value_reg); |
| 958 | } |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 959 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 960 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 961 | // Update the write barrier for the array address. |
| 962 | // Pass the value being stored in the now unused name_reg. |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 963 | if (!FLAG_track_double_fields || !representation.IsDouble()) { |
| 964 | __ mov(name_reg, value_reg); |
| 965 | } else { |
| 966 | ASSERT(storage_reg.is(name_reg)); |
| 967 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 968 | __ RecordWriteField(scratch1, |
| 969 | offset, |
| 970 | name_reg, |
| 971 | receiver_reg, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 972 | kDontSaveFPRegs, |
| 973 | EMIT_REMEMBERED_SET, |
| 974 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 975 | } |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 976 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 977 | |
| 978 | // Return the value (register eax). |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 979 | ASSERT(value_reg.is(eax)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 980 | __ ret(0); |
| 981 | } |
| 982 | |
| 983 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 984 | // Both name_reg and receiver_reg are preserved on jumps to miss_label, |
| 985 | // but may be destroyed if store is successful. |
| 986 | void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
| 987 | Handle<JSObject> object, |
| 988 | LookupResult* lookup, |
| 989 | Register receiver_reg, |
| 990 | Register name_reg, |
| 991 | Register value_reg, |
| 992 | Register scratch1, |
| 993 | Register scratch2, |
| 994 | Label* miss_label) { |
| 995 | // Check that the map of the object hasn't changed. |
| 996 | __ CheckMap(receiver_reg, Handle<Map>(object->map()), |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 997 | miss_label, DO_SMI_CHECK); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 998 | |
| 999 | // Perform global security token check if needed. |
| 1000 | if (object->IsJSGlobalProxy()) { |
| 1001 | __ CheckAccessGlobalProxy(receiver_reg, scratch1, scratch2, miss_label); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1002 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1003 | |
| 1004 | // Stub never generated for non-global objects that require access |
| 1005 | // checks. |
| 1006 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 1007 | |
| 1008 | int index = lookup->GetFieldIndex().field_index(); |
| 1009 | |
| 1010 | // Adjust for the number of properties stored in the object. Even in the |
| 1011 | // face of a transition we can use the old map here because the size of the |
| 1012 | // object and the number of in-object properties is not going to change. |
| 1013 | index -= object->map()->inobject_properties(); |
| 1014 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1015 | Representation representation = lookup->representation(); |
| 1016 | ASSERT(!representation.IsNone()); |
| 1017 | if (FLAG_track_fields && representation.IsSmi()) { |
| 1018 | __ JumpIfNotSmi(value_reg, miss_label); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1019 | } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) { |
| 1020 | __ JumpIfSmi(value_reg, miss_label); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1021 | } else if (FLAG_track_double_fields && representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1022 | // Load the double storage. |
| 1023 | if (index < 0) { |
| 1024 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 1025 | __ mov(scratch1, FieldOperand(receiver_reg, offset)); |
| 1026 | } else { |
| 1027 | __ mov(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 1028 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 1029 | __ mov(scratch1, FieldOperand(scratch1, offset)); |
| 1030 | } |
| 1031 | |
| 1032 | // Store the value into the storage. |
| 1033 | Label do_store, heap_number; |
| 1034 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 1035 | __ SmiUntag(value_reg); |
| 1036 | if (CpuFeatures::IsSupported(SSE2)) { |
| 1037 | CpuFeatureScope use_sse2(masm, SSE2); |
| 1038 | __ cvtsi2sd(xmm0, value_reg); |
| 1039 | } else { |
| 1040 | __ push(value_reg); |
| 1041 | __ fild_s(Operand(esp, 0)); |
| 1042 | __ pop(value_reg); |
| 1043 | } |
| 1044 | __ SmiTag(value_reg); |
| 1045 | __ jmp(&do_store); |
| 1046 | __ bind(&heap_number); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1047 | __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(), |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1048 | miss_label, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1049 | if (CpuFeatures::IsSupported(SSE2)) { |
| 1050 | CpuFeatureScope use_sse2(masm, SSE2); |
| 1051 | __ movdbl(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset)); |
| 1052 | } else { |
| 1053 | __ fld_d(FieldOperand(value_reg, HeapNumber::kValueOffset)); |
| 1054 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1055 | __ bind(&do_store); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1056 | if (CpuFeatures::IsSupported(SSE2)) { |
| 1057 | CpuFeatureScope use_sse2(masm, SSE2); |
| 1058 | __ movdbl(FieldOperand(scratch1, HeapNumber::kValueOffset), xmm0); |
| 1059 | } else { |
| 1060 | __ fstp_d(FieldOperand(scratch1, HeapNumber::kValueOffset)); |
| 1061 | } |
| 1062 | // Return the value (register eax). |
| 1063 | ASSERT(value_reg.is(eax)); |
| 1064 | __ ret(0); |
| 1065 | return; |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1066 | } |
| 1067 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1068 | ASSERT(!FLAG_track_double_fields || !representation.IsDouble()); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1069 | // TODO(verwaest): Share this code as a code stub. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1070 | SmiCheck smi_check = representation.IsTagged() |
| 1071 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1072 | if (index < 0) { |
| 1073 | // Set the property straight into the object. |
| 1074 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 1075 | __ mov(FieldOperand(receiver_reg, offset), value_reg); |
| 1076 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1077 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 1078 | // Update the write barrier for the array address. |
| 1079 | // Pass the value being stored in the now unused name_reg. |
| 1080 | __ mov(name_reg, value_reg); |
| 1081 | __ RecordWriteField(receiver_reg, |
| 1082 | offset, |
| 1083 | name_reg, |
| 1084 | scratch1, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1085 | kDontSaveFPRegs, |
| 1086 | EMIT_REMEMBERED_SET, |
| 1087 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1088 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1089 | } else { |
| 1090 | // Write to the properties array. |
| 1091 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 1092 | // Get the properties array (optimistically). |
| 1093 | __ mov(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1094 | __ mov(FieldOperand(scratch1, offset), value_reg); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1095 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1096 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 1097 | // Update the write barrier for the array address. |
| 1098 | // Pass the value being stored in the now unused name_reg. |
| 1099 | __ mov(name_reg, value_reg); |
| 1100 | __ RecordWriteField(scratch1, |
| 1101 | offset, |
| 1102 | name_reg, |
| 1103 | receiver_reg, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1104 | kDontSaveFPRegs, |
| 1105 | EMIT_REMEMBERED_SET, |
| 1106 | smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1107 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1108 | } |
| 1109 | |
| 1110 | // Return the value (register eax). |
| 1111 | ASSERT(value_reg.is(eax)); |
| 1112 | __ ret(0); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1116 | // Calls GenerateCheckPropertyCell for each global object in the prototype chain |
| 1117 | // from object to (but not including) holder. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1118 | static void GenerateCheckPropertyCells(MacroAssembler* masm, |
| 1119 | Handle<JSObject> object, |
| 1120 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1121 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1122 | Register scratch, |
| 1123 | Label* miss) { |
| 1124 | Handle<JSObject> current = object; |
| 1125 | while (!current.is_identical_to(holder)) { |
| 1126 | if (current->IsGlobalObject()) { |
| 1127 | GenerateCheckPropertyCell(masm, |
| 1128 | Handle<GlobalObject>::cast(current), |
| 1129 | name, |
| 1130 | scratch, |
| 1131 | miss); |
| 1132 | } |
| 1133 | current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); |
| 1134 | } |
| 1135 | } |
| 1136 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1137 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1138 | void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1139 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 1140 | } |
| 1141 | |
| 1142 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1143 | #undef __ |
| 1144 | #define __ ACCESS_MASM(masm()) |
| 1145 | |
| 1146 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1147 | Register StubCompiler::CheckPrototypes(Handle<JSObject> object, |
| 1148 | Register object_reg, |
| 1149 | Handle<JSObject> holder, |
| 1150 | Register holder_reg, |
| 1151 | Register scratch1, |
| 1152 | Register scratch2, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1153 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1154 | int save_at_depth, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1155 | Label* miss, |
| 1156 | PrototypeCheckType check) { |
| 1157 | Handle<JSObject> first = object; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1158 | // Make sure there's no overlap between holder and object registers. |
| 1159 | ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
| 1160 | ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) |
| 1161 | && !scratch2.is(scratch1)); |
| 1162 | |
| 1163 | // Keep track of the current object in register reg. |
| 1164 | Register reg = object_reg; |
| 1165 | Handle<JSObject> current = object; |
| 1166 | int depth = 0; |
| 1167 | |
| 1168 | if (save_at_depth == depth) { |
| 1169 | __ mov(Operand(esp, kPointerSize), reg); |
| 1170 | } |
| 1171 | |
| 1172 | // Traverse the prototype chain and check the maps in the prototype chain for |
| 1173 | // fast and global objects or do negative lookup for normal objects. |
| 1174 | while (!current.is_identical_to(holder)) { |
| 1175 | ++depth; |
| 1176 | |
| 1177 | // Only global objects and objects that do not require access |
| 1178 | // checks are allowed in stubs. |
| 1179 | ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded()); |
| 1180 | |
| 1181 | Handle<JSObject> prototype(JSObject::cast(current->GetPrototype())); |
| 1182 | if (!current->HasFastProperties() && |
| 1183 | !current->IsJSGlobalObject() && |
| 1184 | !current->IsJSGlobalProxy()) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1185 | if (!name->IsUniqueName()) { |
| 1186 | ASSERT(name->IsString()); |
| 1187 | name = factory()->InternalizeString(Handle<String>::cast(name)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1188 | } |
| 1189 | ASSERT(current->property_dictionary()->FindEntry(*name) == |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1190 | NameDictionary::kNotFound); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1191 | |
| 1192 | GenerateDictionaryNegativeLookup(masm(), miss, reg, name, |
| 1193 | scratch1, scratch2); |
| 1194 | |
| 1195 | __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
| 1196 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 1197 | __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 1198 | } else { |
| 1199 | bool in_new_space = heap()->InNewSpace(*prototype); |
| 1200 | Handle<Map> current_map(current->map()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1201 | if (!current.is_identical_to(first) || check == CHECK_ALL_MAPS) { |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1202 | __ CheckMap(reg, current_map, miss, DONT_DO_SMI_CHECK); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1203 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1204 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1205 | // Check access rights to the global object. This has to happen after |
| 1206 | // the map check so that we know that the object is actually a global |
| 1207 | // object. |
| 1208 | if (current->IsJSGlobalProxy()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1209 | __ CheckAccessGlobalProxy(reg, scratch1, scratch2, miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1210 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1211 | |
| 1212 | if (in_new_space) { |
| 1213 | // Save the map in scratch1 for later. |
| 1214 | __ mov(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
| 1215 | } |
| 1216 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1217 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 1218 | |
| 1219 | if (in_new_space) { |
| 1220 | // The prototype is in new space; we cannot store a reference to it |
| 1221 | // in the code. Load it from the map. |
| 1222 | __ mov(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 1223 | } else { |
| 1224 | // The prototype is in old space; load it directly. |
| 1225 | __ mov(reg, prototype); |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | if (save_at_depth == depth) { |
| 1230 | __ mov(Operand(esp, kPointerSize), reg); |
| 1231 | } |
| 1232 | |
| 1233 | // Go to the next object in the prototype chain. |
| 1234 | current = prototype; |
| 1235 | } |
| 1236 | ASSERT(current.is_identical_to(holder)); |
| 1237 | |
| 1238 | // Log the check depth. |
| 1239 | LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
| 1240 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1241 | if (!holder.is_identical_to(first) || check == CHECK_ALL_MAPS) { |
| 1242 | // Check the holder map. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1243 | __ CheckMap(reg, Handle<Map>(holder->map()), miss, DONT_DO_SMI_CHECK); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1244 | } |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1245 | |
| 1246 | // Perform security check for access to the global object. |
| 1247 | ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded()); |
| 1248 | if (holder->IsJSGlobalProxy()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1249 | __ CheckAccessGlobalProxy(reg, scratch1, scratch2, miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | // If we've skipped any global objects, it's not enough to verify that |
| 1253 | // their maps haven't changed. We also need to check that the property |
| 1254 | // cell for the property is still empty. |
| 1255 | GenerateCheckPropertyCells(masm(), object, holder, name, scratch1, miss); |
| 1256 | |
| 1257 | // Return the register containing the holder. |
| 1258 | return reg; |
| 1259 | } |
| 1260 | |
| 1261 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1262 | void BaseLoadStubCompiler::HandlerFrontendFooter(Label* success, |
| 1263 | Label* miss) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1264 | if (!miss->is_unused()) { |
| 1265 | __ jmp(success); |
| 1266 | __ bind(miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1267 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1268 | } |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1269 | } |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1270 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1271 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1272 | Register BaseLoadStubCompiler::CallbackHandlerFrontend( |
| 1273 | Handle<JSObject> object, |
| 1274 | Register object_reg, |
| 1275 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1276 | Handle<Name> name, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1277 | Label* success, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1278 | Handle<ExecutableAccessorInfo> callback) { |
| 1279 | Label miss; |
| 1280 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1281 | Register reg = HandlerFrontendHeader(object, object_reg, holder, name, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1282 | |
| 1283 | if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) { |
| 1284 | ASSERT(!reg.is(scratch2())); |
| 1285 | ASSERT(!reg.is(scratch3())); |
| 1286 | Register dictionary = scratch1(); |
| 1287 | bool must_preserve_dictionary_reg = reg.is(dictionary); |
| 1288 | |
| 1289 | // Load the properties dictionary. |
| 1290 | if (must_preserve_dictionary_reg) { |
| 1291 | __ push(dictionary); |
| 1292 | } |
| 1293 | __ mov(dictionary, FieldOperand(reg, JSObject::kPropertiesOffset)); |
| 1294 | |
| 1295 | // Probe the dictionary. |
| 1296 | Label probe_done, pop_and_miss; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1297 | NameDictionaryLookupStub::GeneratePositiveLookup(masm(), |
| 1298 | &pop_and_miss, |
| 1299 | &probe_done, |
| 1300 | dictionary, |
| 1301 | this->name(), |
| 1302 | scratch2(), |
| 1303 | scratch3()); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1304 | __ bind(&pop_and_miss); |
| 1305 | if (must_preserve_dictionary_reg) { |
| 1306 | __ pop(dictionary); |
| 1307 | } |
| 1308 | __ jmp(&miss); |
| 1309 | __ bind(&probe_done); |
| 1310 | |
| 1311 | // If probing finds an entry in the dictionary, scratch2 contains the |
| 1312 | // index into the dictionary. Check that the value is the callback. |
| 1313 | Register index = scratch2(); |
| 1314 | const int kElementsStartOffset = |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1315 | NameDictionary::kHeaderSize + |
| 1316 | NameDictionary::kElementsStartIndex * kPointerSize; |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1317 | const int kValueOffset = kElementsStartOffset + kPointerSize; |
| 1318 | __ mov(scratch3(), |
| 1319 | Operand(dictionary, index, times_4, kValueOffset - kHeapObjectTag)); |
| 1320 | if (must_preserve_dictionary_reg) { |
| 1321 | __ pop(dictionary); |
| 1322 | } |
| 1323 | __ cmp(scratch3(), callback); |
| 1324 | __ j(not_equal, &miss); |
| 1325 | } |
| 1326 | |
| 1327 | HandlerFrontendFooter(success, &miss); |
| 1328 | return reg; |
| 1329 | } |
| 1330 | |
| 1331 | |
| 1332 | void BaseLoadStubCompiler::NonexistentHandlerFrontend( |
| 1333 | Handle<JSObject> object, |
| 1334 | Handle<JSObject> last, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1335 | Handle<Name> name, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1336 | Label* success, |
| 1337 | Handle<GlobalObject> global) { |
| 1338 | Label miss; |
| 1339 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1340 | HandlerFrontendHeader(object, receiver(), last, name, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1341 | |
| 1342 | // If the last object in the prototype chain is a global object, |
| 1343 | // check that the global property cell is empty. |
| 1344 | if (!global.is_null()) { |
| 1345 | GenerateCheckPropertyCell(masm(), global, name, scratch2(), &miss); |
| 1346 | } |
| 1347 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1348 | HandlerFrontendFooter(success, &miss); |
| 1349 | } |
| 1350 | |
| 1351 | |
| 1352 | void BaseLoadStubCompiler::GenerateLoadField(Register reg, |
| 1353 | Handle<JSObject> holder, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1354 | PropertyIndex field, |
| 1355 | Representation representation) { |
| 1356 | if (!reg.is(receiver())) __ mov(receiver(), reg); |
| 1357 | if (kind() == Code::LOAD_IC) { |
| 1358 | LoadFieldStub stub(field.is_inobject(holder), |
| 1359 | field.translate(holder), |
| 1360 | representation); |
| 1361 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 1362 | } else { |
| 1363 | KeyedLoadFieldStub stub(field.is_inobject(holder), |
| 1364 | field.translate(holder), |
| 1365 | representation); |
| 1366 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 1367 | } |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1371 | void BaseLoadStubCompiler::GenerateLoadCallback( |
| 1372 | Register reg, |
| 1373 | Handle<ExecutableAccessorInfo> callback) { |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1374 | // Insert additional parameters into the stack frame above return address. |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1375 | ASSERT(!scratch3().is(reg)); |
| 1376 | __ pop(scratch3()); // Get return address to place it below. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1377 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1378 | __ push(receiver()); // receiver |
| 1379 | __ mov(scratch2(), esp); |
| 1380 | ASSERT(!scratch2().is(reg)); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1381 | __ push(reg); // holder |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1382 | // Push data from ExecutableAccessorInfo. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1383 | if (isolate()->heap()->InNewSpace(callback->data())) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1384 | __ mov(scratch1(), Immediate(callback)); |
| 1385 | __ push(FieldOperand(scratch1(), ExecutableAccessorInfo::kDataOffset)); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1386 | } else { |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1387 | __ push(Immediate(Handle<Object>(callback->data(), isolate()))); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1388 | } |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1389 | __ push(Immediate(isolate()->factory()->undefined_value())); // ReturnValue |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1390 | __ push(Immediate(reinterpret_cast<int>(isolate()))); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1391 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1392 | // Save a pointer to where we pushed the arguments pointer. This will be |
| 1393 | // passed as the const ExecutableAccessorInfo& to the C++ callback. |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1394 | __ push(scratch2()); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1395 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1396 | __ push(name()); // name |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1397 | __ mov(ebx, esp); // esp points to reference to name (handler). |
| 1398 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1399 | __ push(scratch3()); // Restore return address. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1400 | |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1401 | // array for v8::Arguments::values_, handler for name and pointer |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1402 | // to the values (it considered as smi in GC). |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1403 | const int kStackSpace = PropertyCallbackArguments::kArgsLength + 2; |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1404 | const int kApiArgc = 2; |
| 1405 | |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1406 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 1407 | bool returns_handle = |
| 1408 | !CallbackTable::ReturnsVoid(isolate(), |
| 1409 | reinterpret_cast<void*>(getter_address)); |
| 1410 | __ PrepareCallApiFunction(kApiArgc, returns_handle); |
| 1411 | __ mov(ApiParameterOperand(0, returns_handle), ebx); // name. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1412 | __ add(ebx, Immediate(kPointerSize)); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1413 | __ mov(ApiParameterOperand(1, returns_handle), ebx); // arguments pointer. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1414 | |
kmillikin@chromium.org | 2d5475f | 2009-12-20 18:15:52 +0000 | [diff] [blame] | 1415 | // Emitting a stub call may try to allocate (if the code is not |
| 1416 | // already generated). Do not allow the assembler to perform a |
| 1417 | // garbage collection but instead return the allocation failure |
| 1418 | // object. |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1419 | |
| 1420 | __ CallApiFunctionAndReturn(getter_address, |
| 1421 | kStackSpace, |
| 1422 | returns_handle, |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1423 | 5); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1427 | void BaseLoadStubCompiler::GenerateLoadConstant(Handle<JSFunction> value) { |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1428 | // Return the constant value. |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1429 | __ LoadHeapObject(eax, value); |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1430 | __ ret(0); |
| 1431 | } |
| 1432 | |
| 1433 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1434 | void BaseLoadStubCompiler::GenerateLoadInterceptor( |
| 1435 | Register holder_reg, |
| 1436 | Handle<JSObject> object, |
| 1437 | Handle<JSObject> interceptor_holder, |
| 1438 | LookupResult* lookup, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1439 | Handle<Name> name) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1440 | ASSERT(interceptor_holder->HasNamedInterceptor()); |
| 1441 | ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 1442 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1443 | // So far the most popular follow ups for interceptor loads are FIELD |
| 1444 | // and CALLBACKS, so inline only them, other cases may be added |
| 1445 | // later. |
| 1446 | bool compile_followup_inline = false; |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1447 | if (lookup->IsFound() && lookup->IsCacheable()) { |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1448 | if (lookup->IsField()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1449 | compile_followup_inline = true; |
| 1450 | } else if (lookup->type() == CALLBACKS && |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 1451 | lookup->GetCallbackObject()->IsExecutableAccessorInfo()) { |
| 1452 | ExecutableAccessorInfo* callback = |
| 1453 | ExecutableAccessorInfo::cast(lookup->GetCallbackObject()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1454 | compile_followup_inline = callback->getter() != NULL && |
| 1455 | callback->IsCompatibleReceiver(*object); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | if (compile_followup_inline) { |
| 1460 | // Compile the interceptor call, followed by inline code to load the |
| 1461 | // property from further up the prototype chain if the call fails. |
| 1462 | // Check that the maps haven't changed. |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1463 | ASSERT(holder_reg.is(receiver()) || holder_reg.is(scratch1())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1464 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1465 | // Preserve the receiver register explicitly whenever it is different from |
| 1466 | // the holder and it is needed should the interceptor return without any |
| 1467 | // result. The CALLBACKS case needs the receiver to be passed into C++ code, |
| 1468 | // the FIELD case might cause a miss during the prototype check. |
| 1469 | bool must_perfrom_prototype_check = *interceptor_holder != lookup->holder(); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1470 | bool must_preserve_receiver_reg = !receiver().is(holder_reg) && |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1471 | (lookup->type() == CALLBACKS || must_perfrom_prototype_check); |
| 1472 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1473 | // Save necessary data before invoking an interceptor. |
| 1474 | // Requires a frame to make GC aware of pushed pointers. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1475 | { |
| 1476 | FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1477 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1478 | if (must_preserve_receiver_reg) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1479 | __ push(receiver()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1480 | } |
| 1481 | __ push(holder_reg); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1482 | __ push(this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1483 | |
| 1484 | // Invoke an interceptor. Note: map checks from receiver to |
| 1485 | // interceptor's holder has been compiled before (see a caller |
| 1486 | // of this method.) |
| 1487 | CompileCallLoadPropertyWithInterceptor(masm(), |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1488 | receiver(), |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1489 | holder_reg, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1490 | this->name(), |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1491 | interceptor_holder); |
| 1492 | |
| 1493 | // Check if interceptor provided a value for property. If it's |
| 1494 | // the case, return immediately. |
| 1495 | Label interceptor_failed; |
| 1496 | __ cmp(eax, factory()->no_interceptor_result_sentinel()); |
| 1497 | __ j(equal, &interceptor_failed); |
| 1498 | frame_scope.GenerateLeaveFrame(); |
| 1499 | __ ret(0); |
| 1500 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1501 | // Clobber registers when generating debug-code to provoke errors. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1502 | __ bind(&interceptor_failed); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1503 | if (FLAG_debug_code) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1504 | __ mov(receiver(), Immediate(BitCast<int32_t>(kZapValue))); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1505 | __ mov(holder_reg, Immediate(BitCast<int32_t>(kZapValue))); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1506 | __ mov(this->name(), Immediate(BitCast<int32_t>(kZapValue))); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1507 | } |
| 1508 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1509 | __ pop(this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1510 | __ pop(holder_reg); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1511 | if (must_preserve_receiver_reg) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1512 | __ pop(receiver()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1513 | } |
| 1514 | |
| 1515 | // Leave the internal frame. |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1516 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1517 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1518 | GenerateLoadPostInterceptor(holder_reg, interceptor_holder, name, lookup); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1519 | } else { // !compile_followup_inline |
| 1520 | // Call the runtime system to load the interceptor. |
| 1521 | // Check that the maps haven't changed. |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1522 | __ pop(scratch2()); // save old return address |
| 1523 | PushInterceptorArguments(masm(), receiver(), holder_reg, |
| 1524 | this->name(), interceptor_holder); |
| 1525 | __ push(scratch2()); // restore old return address |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1526 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1527 | ExternalReference ref = |
| 1528 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1529 | isolate()); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 1530 | __ TailCallExternalReference(ref, 6, 1); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1531 | } |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1532 | } |
| 1533 | |
| 1534 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1535 | void CallStubCompiler::GenerateNameCheck(Handle<Name> name, Label* miss) { |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1536 | if (kind_ == Code::KEYED_CALL_IC) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1537 | __ cmp(ecx, Immediate(name)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1538 | __ j(not_equal, miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1539 | } |
| 1540 | } |
| 1541 | |
| 1542 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1543 | void CallStubCompiler::GenerateGlobalReceiverCheck(Handle<JSObject> object, |
| 1544 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1545 | Handle<Name> name, |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1546 | Label* miss) { |
| 1547 | ASSERT(holder->IsGlobalObject()); |
| 1548 | |
| 1549 | // Get the number of arguments. |
| 1550 | const int argc = arguments().immediate(); |
| 1551 | |
| 1552 | // Get the receiver from the stack. |
| 1553 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1554 | |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1555 | |
| 1556 | // Check that the maps haven't changed. |
mstarzinger@chromium.org | 3233d2f | 2012-03-14 11:16:03 +0000 | [diff] [blame] | 1557 | __ JumpIfSmi(edx, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1558 | CheckPrototypes(object, edx, holder, ebx, eax, edi, name, miss); |
| 1559 | } |
| 1560 | |
| 1561 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1562 | void CallStubCompiler::GenerateLoadFunctionFromCell( |
| 1563 | Handle<JSGlobalPropertyCell> cell, |
| 1564 | Handle<JSFunction> function, |
| 1565 | Label* miss) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1566 | // Get the value from the cell. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1567 | if (Serializer::enabled()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1568 | __ mov(edi, Immediate(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1569 | __ mov(edi, FieldOperand(edi, JSGlobalPropertyCell::kValueOffset)); |
| 1570 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1571 | __ mov(edi, Operand::Cell(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1572 | } |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1573 | |
| 1574 | // Check that the cell contains the same function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1575 | if (isolate()->heap()->InNewSpace(*function)) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1576 | // We can't embed a pointer to a function in new space so we have |
| 1577 | // to verify that the shared function info is unchanged. This has |
| 1578 | // the nice side effect that multiple closures based on the same |
| 1579 | // function can all use this call IC. Before we load through the |
| 1580 | // function, we have to verify that it still is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1581 | __ JumpIfSmi(edi, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1582 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1583 | __ j(not_equal, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1584 | |
| 1585 | // Check the shared function info. Make sure it hasn't changed. |
| 1586 | __ cmp(FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset), |
| 1587 | Immediate(Handle<SharedFunctionInfo>(function->shared()))); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1588 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1589 | __ cmp(edi, Immediate(function)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1590 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1591 | __ j(not_equal, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1592 | } |
| 1593 | |
| 1594 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1595 | void CallStubCompiler::GenerateMissBranch() { |
| 1596 | Handle<Code> code = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1597 | isolate()->stub_cache()->ComputeCallMiss(arguments().immediate(), |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1598 | kind_, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1599 | extra_state_); |
| 1600 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 1601 | } |
| 1602 | |
| 1603 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1604 | Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object, |
| 1605 | Handle<JSObject> holder, |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 1606 | PropertyIndex index, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1607 | Handle<Name> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1608 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 1609 | // -- ecx : name |
| 1610 | // -- esp[0] : return address |
| 1611 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1612 | // -- ... |
| 1613 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1614 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1615 | Label miss; |
| 1616 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1617 | GenerateNameCheck(name, &miss); |
| 1618 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1619 | // Get the receiver from the stack. |
| 1620 | const int argc = arguments().immediate(); |
| 1621 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1622 | |
| 1623 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1624 | __ JumpIfSmi(edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1625 | |
| 1626 | // Do the right check and compute the holder register. |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1627 | Register reg = CheckPrototypes(object, edx, holder, ebx, eax, edi, |
| 1628 | name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1629 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1630 | GenerateFastPropertyLoad( |
| 1631 | masm(), edi, reg, index.is_inobject(holder), |
| 1632 | index.translate(holder), Representation::Tagged()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1633 | |
| 1634 | // Check that the function really is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1635 | __ JumpIfSmi(edi, &miss); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1636 | __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1637 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1638 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 1639 | // Patch the receiver on the stack with the global proxy if |
| 1640 | // necessary. |
| 1641 | if (object->IsGlobalObject()) { |
| 1642 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 1643 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 1644 | } |
| 1645 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1646 | // Invoke the function. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1647 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1648 | ? CALL_AS_FUNCTION |
| 1649 | : CALL_AS_METHOD; |
| 1650 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION, |
| 1651 | NullCallWrapper(), call_kind); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1652 | |
| 1653 | // Handle call cache miss. |
| 1654 | __ bind(&miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1655 | GenerateMissBranch(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1656 | |
| 1657 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 1658 | return GetCode(Code::FIELD, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1659 | } |
| 1660 | |
| 1661 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1662 | Handle<Code> CallStubCompiler::CompileArrayPushCall( |
| 1663 | Handle<Object> object, |
| 1664 | Handle<JSObject> holder, |
| 1665 | Handle<JSGlobalPropertyCell> cell, |
| 1666 | Handle<JSFunction> function, |
| 1667 | Handle<String> name) { |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1668 | // ----------- S t a t e ------------- |
| 1669 | // -- ecx : name |
| 1670 | // -- esp[0] : return address |
| 1671 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1672 | // -- ... |
| 1673 | // -- esp[(argc + 1) * 4] : receiver |
| 1674 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1675 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1676 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1677 | if (!object->IsJSArray() || !cell.is_null()) { |
| 1678 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1679 | } |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1680 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1681 | Label miss; |
| 1682 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1683 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1684 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1685 | // Get the receiver from the stack. |
| 1686 | const int argc = arguments().immediate(); |
| 1687 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1688 | |
| 1689 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1690 | __ JumpIfSmi(edx, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1691 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1692 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 1693 | name, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1694 | |
| 1695 | if (argc == 0) { |
| 1696 | // Noop, return the length. |
| 1697 | __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
| 1698 | __ ret((argc + 1) * kPointerSize); |
| 1699 | } else { |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1700 | Label call_builtin; |
| 1701 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1702 | if (argc == 1) { // Otherwise fall through to call builtin. |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1703 | Label attempt_to_grow_elements, with_write_barrier, check_double; |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1704 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1705 | // Get the elements array of the object. |
| 1706 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1707 | |
| 1708 | // Check that the elements are in fast mode and writable. |
| 1709 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 1710 | Immediate(factory()->fixed_array_map())); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1711 | __ j(not_equal, &check_double); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1712 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1713 | // Get the array's length into eax and calculate new length. |
| 1714 | __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
| 1715 | STATIC_ASSERT(kSmiTagSize == 1); |
| 1716 | STATIC_ASSERT(kSmiTag == 0); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1717 | __ add(eax, Immediate(Smi::FromInt(argc))); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1718 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1719 | // Get the elements' length into ecx. |
| 1720 | __ mov(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1721 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1722 | // Check if we could survive without allocation. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1723 | __ cmp(eax, ecx); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1724 | __ j(greater, &attempt_to_grow_elements); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1725 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1726 | // Check if value is a smi. |
| 1727 | __ mov(ecx, Operand(esp, argc * kPointerSize)); |
| 1728 | __ JumpIfNotSmi(ecx, &with_write_barrier); |
| 1729 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1730 | // Save new length. |
| 1731 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1732 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1733 | // Store the value. |
| 1734 | __ mov(FieldOperand(edi, |
| 1735 | eax, |
| 1736 | times_half_pointer_size, |
| 1737 | FixedArray::kHeaderSize - argc * kPointerSize), |
| 1738 | ecx); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1739 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1740 | __ ret((argc + 1) * kPointerSize); |
| 1741 | |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1742 | __ bind(&check_double); |
| 1743 | |
| 1744 | |
| 1745 | // Check that the elements are in double mode. |
| 1746 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 1747 | Immediate(factory()->fixed_double_array_map())); |
| 1748 | __ j(not_equal, &call_builtin); |
| 1749 | |
| 1750 | // Get the array's length into eax and calculate new length. |
| 1751 | __ mov(eax, FieldOperand(edx, JSArray::kLengthOffset)); |
| 1752 | STATIC_ASSERT(kSmiTagSize == 1); |
| 1753 | STATIC_ASSERT(kSmiTag == 0); |
| 1754 | __ add(eax, Immediate(Smi::FromInt(argc))); |
| 1755 | |
| 1756 | // Get the elements' length into ecx. |
| 1757 | __ mov(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); |
| 1758 | |
| 1759 | // Check if we could survive without allocation. |
| 1760 | __ cmp(eax, ecx); |
| 1761 | __ j(greater, &call_builtin); |
| 1762 | |
| 1763 | __ mov(ecx, Operand(esp, argc * kPointerSize)); |
| 1764 | __ StoreNumberToDoubleElements( |
| 1765 | ecx, edi, eax, ecx, xmm0, &call_builtin, true, argc * kDoubleSize); |
| 1766 | |
| 1767 | // Save new length. |
| 1768 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1769 | __ ret((argc + 1) * kPointerSize); |
| 1770 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1771 | __ bind(&with_write_barrier); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1772 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1773 | __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 1774 | |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1775 | if (FLAG_smi_only_arrays && !FLAG_trace_elements_transitions) { |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1776 | Label fast_object, not_fast_object; |
| 1777 | __ CheckFastObjectElements(ebx, ¬_fast_object, Label::kNear); |
| 1778 | __ jmp(&fast_object); |
| 1779 | // In case of fast smi-only, convert to fast object, otherwise bail out. |
| 1780 | __ bind(¬_fast_object); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1781 | __ CheckFastSmiElements(ebx, &call_builtin); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1782 | __ cmp(FieldOperand(ecx, HeapObject::kMapOffset), |
| 1783 | Immediate(factory()->heap_number_map())); |
| 1784 | __ j(equal, &call_builtin); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1785 | // edi: elements array |
| 1786 | // edx: receiver |
| 1787 | // ebx: map |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1788 | Label try_holey_map; |
| 1789 | __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1790 | FAST_ELEMENTS, |
| 1791 | ebx, |
| 1792 | edi, |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1793 | &try_holey_map); |
| 1794 | |
| 1795 | ElementsTransitionGenerator:: |
yangguo@chromium.org | 46a2a51 | 2013-01-18 16:29:40 +0000 | [diff] [blame] | 1796 | GenerateMapChangeElementsTransition(masm(), |
| 1797 | DONT_TRACK_ALLOCATION_SITE, |
| 1798 | NULL); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1799 | // Restore edi. |
| 1800 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1801 | __ jmp(&fast_object); |
| 1802 | |
| 1803 | __ bind(&try_holey_map); |
| 1804 | __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS, |
| 1805 | FAST_HOLEY_ELEMENTS, |
| 1806 | ebx, |
| 1807 | edi, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1808 | &call_builtin); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1809 | ElementsTransitionGenerator:: |
yangguo@chromium.org | 46a2a51 | 2013-01-18 16:29:40 +0000 | [diff] [blame] | 1810 | GenerateMapChangeElementsTransition(masm(), |
| 1811 | DONT_TRACK_ALLOCATION_SITE, |
| 1812 | NULL); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1813 | // Restore edi. |
| 1814 | __ mov(edi, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1815 | __ bind(&fast_object); |
| 1816 | } else { |
| 1817 | __ CheckFastObjectElements(ebx, &call_builtin); |
| 1818 | } |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1819 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1820 | // Save new length. |
| 1821 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1822 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1823 | // Store the value. |
| 1824 | __ lea(edx, FieldOperand(edi, |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1825 | eax, times_half_pointer_size, |
| 1826 | FixedArray::kHeaderSize - argc * kPointerSize)); |
| 1827 | __ mov(Operand(edx, 0), ecx); |
| 1828 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1829 | __ RecordWrite(edi, edx, ecx, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1830 | OMIT_SMI_CHECK); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1831 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1832 | __ ret((argc + 1) * kPointerSize); |
| 1833 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1834 | __ bind(&attempt_to_grow_elements); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1835 | if (!FLAG_inline_new) { |
| 1836 | __ jmp(&call_builtin); |
| 1837 | } |
| 1838 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1839 | __ mov(ebx, Operand(esp, argc * kPointerSize)); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1840 | // Growing elements that are SMI-only requires special handling in case |
| 1841 | // the new element is non-Smi. For now, delegate to the builtin. |
| 1842 | Label no_fast_elements_check; |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1843 | __ JumpIfSmi(ebx, &no_fast_elements_check); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1844 | __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); |
| 1845 | __ CheckFastObjectElements(ecx, &call_builtin, Label::kFar); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1846 | __ bind(&no_fast_elements_check); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1847 | |
| 1848 | // We could be lucky and the elements array could be at the top of |
| 1849 | // new-space. In this case we can just grow it in place by moving the |
| 1850 | // allocation pointer up. |
| 1851 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1852 | ExternalReference new_space_allocation_top = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1853 | ExternalReference::new_space_allocation_top_address(isolate()); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1854 | ExternalReference new_space_allocation_limit = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1855 | ExternalReference::new_space_allocation_limit_address(isolate()); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1856 | |
| 1857 | const int kAllocationDelta = 4; |
| 1858 | // Load top. |
| 1859 | __ mov(ecx, Operand::StaticVariable(new_space_allocation_top)); |
| 1860 | |
| 1861 | // Check if it's the end of elements. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1862 | __ lea(edx, FieldOperand(edi, |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1863 | eax, times_half_pointer_size, |
| 1864 | FixedArray::kHeaderSize - argc * kPointerSize)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1865 | __ cmp(edx, ecx); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1866 | __ j(not_equal, &call_builtin); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1867 | __ add(ecx, Immediate(kAllocationDelta * kPointerSize)); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1868 | __ cmp(ecx, Operand::StaticVariable(new_space_allocation_limit)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1869 | __ j(above, &call_builtin); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1870 | |
| 1871 | // We fit and could grow elements. |
| 1872 | __ mov(Operand::StaticVariable(new_space_allocation_top), ecx); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1873 | |
| 1874 | // Push the argument... |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1875 | __ mov(Operand(edx, 0), ebx); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1876 | // ... and fill the rest with holes. |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1877 | for (int i = 1; i < kAllocationDelta; i++) { |
| 1878 | __ mov(Operand(edx, i * kPointerSize), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1879 | Immediate(factory()->the_hole_value())); |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1880 | } |
| 1881 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1882 | // We know the elements array is in new space so we don't need the |
| 1883 | // remembered set, but we just pushed a value onto it so we may have to |
| 1884 | // tell the incremental marker to rescan the object that we just grew. We |
| 1885 | // don't need to worry about the holes because they are in old space and |
| 1886 | // already marked black. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1887 | __ RecordWrite(edi, edx, ebx, kDontSaveFPRegs, OMIT_REMEMBERED_SET); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1888 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1889 | // Restore receiver to edx as finish sequence assumes it's here. |
| 1890 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1891 | |
| 1892 | // Increment element's and array's sizes. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1893 | __ add(FieldOperand(edi, FixedArray::kLengthOffset), |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1894 | Immediate(Smi::FromInt(kAllocationDelta))); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1895 | |
| 1896 | // NOTE: This only happen in new-space, where we don't |
| 1897 | // care about the black-byte-count on pages. Otherwise we should |
| 1898 | // update that too if the object is black. |
| 1899 | |
fschneider@chromium.org | 086aac6 | 2010-03-17 13:18:24 +0000 | [diff] [blame] | 1900 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), eax); |
| 1901 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1902 | __ ret((argc + 1) * kPointerSize); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1903 | } |
| 1904 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1905 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1906 | __ TailCallExternalReference( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1907 | ExternalReference(Builtins::c_ArrayPush, isolate()), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1908 | argc + 1, |
| 1909 | 1); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1910 | } |
| 1911 | |
| 1912 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1913 | GenerateMissBranch(); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1914 | |
| 1915 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1916 | return GetCode(function); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1917 | } |
| 1918 | |
| 1919 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1920 | Handle<Code> CallStubCompiler::CompileArrayPopCall( |
| 1921 | Handle<Object> object, |
| 1922 | Handle<JSObject> holder, |
| 1923 | Handle<JSGlobalPropertyCell> cell, |
| 1924 | Handle<JSFunction> function, |
| 1925 | Handle<String> name) { |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1926 | // ----------- S t a t e ------------- |
| 1927 | // -- ecx : name |
| 1928 | // -- esp[0] : return address |
| 1929 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 1930 | // -- ... |
| 1931 | // -- esp[(argc + 1) * 4] : receiver |
| 1932 | // ----------------------------------- |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1933 | |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1934 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1935 | if (!object->IsJSArray() || !cell.is_null()) { |
| 1936 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1937 | } |
lrn@chromium.org | c34f580 | 2010-04-28 12:53:43 +0000 | [diff] [blame] | 1938 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1939 | Label miss, return_undefined, call_builtin; |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1940 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1941 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1942 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1943 | // Get the receiver from the stack. |
| 1944 | const int argc = arguments().immediate(); |
| 1945 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 1946 | |
| 1947 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1948 | __ JumpIfSmi(edx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1949 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 1950 | name, &miss); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1951 | |
| 1952 | // Get the elements array of the object. |
| 1953 | __ mov(ebx, FieldOperand(edx, JSArray::kElementsOffset)); |
| 1954 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1955 | // Check that the elements are in fast mode and writable. |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1956 | __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1957 | Immediate(factory()->fixed_array_map())); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1958 | __ j(not_equal, &call_builtin); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1959 | |
| 1960 | // Get the array's length into ecx and calculate new length. |
| 1961 | __ mov(ecx, FieldOperand(edx, JSArray::kLengthOffset)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1962 | __ sub(ecx, Immediate(Smi::FromInt(1))); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1963 | __ j(negative, &return_undefined); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1964 | |
| 1965 | // Get the last element. |
| 1966 | STATIC_ASSERT(kSmiTagSize == 1); |
| 1967 | STATIC_ASSERT(kSmiTag == 0); |
| 1968 | __ mov(eax, FieldOperand(ebx, |
| 1969 | ecx, times_half_pointer_size, |
| 1970 | FixedArray::kHeaderSize)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1971 | __ cmp(eax, Immediate(factory()->the_hole_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1972 | __ j(equal, &call_builtin); |
| 1973 | |
| 1974 | // Set the array's length. |
| 1975 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), ecx); |
| 1976 | |
| 1977 | // Fill with the hole. |
| 1978 | __ mov(FieldOperand(ebx, |
| 1979 | ecx, times_half_pointer_size, |
| 1980 | FixedArray::kHeaderSize), |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1981 | Immediate(factory()->the_hole_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1982 | __ ret((argc + 1) * kPointerSize); |
| 1983 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1984 | __ bind(&return_undefined); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1985 | __ mov(eax, Immediate(factory()->undefined_value())); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1986 | __ ret((argc + 1) * kPointerSize); |
| 1987 | |
| 1988 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1989 | __ TailCallExternalReference( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1990 | ExternalReference(Builtins::c_ArrayPop, isolate()), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1991 | argc + 1, |
| 1992 | 1); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1993 | |
| 1994 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1995 | GenerateMissBranch(); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1996 | |
| 1997 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1998 | return GetCode(function); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 1999 | } |
| 2000 | |
| 2001 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2002 | Handle<Code> CallStubCompiler::CompileStringCharCodeAtCall( |
| 2003 | Handle<Object> object, |
| 2004 | Handle<JSObject> holder, |
| 2005 | Handle<JSGlobalPropertyCell> cell, |
| 2006 | Handle<JSFunction> function, |
| 2007 | Handle<String> name) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2008 | // ----------- S t a t e ------------- |
| 2009 | // -- ecx : function name |
| 2010 | // -- esp[0] : return address |
| 2011 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2012 | // -- ... |
| 2013 | // -- esp[(argc + 1) * 4] : receiver |
| 2014 | // ----------------------------------- |
| 2015 | |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 2016 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2017 | if (!object->IsString() || !cell.is_null()) { |
| 2018 | return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2019 | } |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 2020 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2021 | const int argc = arguments().immediate(); |
| 2022 | |
| 2023 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2024 | Label name_miss; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2025 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2026 | Label* index_out_of_range_label = &index_out_of_range; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2027 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2028 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2029 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2030 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2031 | index_out_of_range_label = &miss; |
| 2032 | } |
| 2033 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2034 | GenerateNameCheck(name, &name_miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2035 | |
| 2036 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2037 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 2038 | Context::STRING_FUNCTION_INDEX, |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2039 | eax, |
| 2040 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2041 | ASSERT(!object.is_identical_to(holder)); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2042 | CheckPrototypes( |
| 2043 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2044 | eax, holder, ebx, edx, edi, name, &miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2045 | |
| 2046 | Register receiver = ebx; |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2047 | Register index = edi; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2048 | Register result = eax; |
| 2049 | __ mov(receiver, Operand(esp, (argc + 1) * kPointerSize)); |
| 2050 | if (argc > 0) { |
| 2051 | __ mov(index, Operand(esp, (argc - 0) * kPointerSize)); |
| 2052 | } else { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2053 | __ Set(index, Immediate(factory()->undefined_value())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2054 | } |
| 2055 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2056 | StringCharCodeAtGenerator generator(receiver, |
| 2057 | index, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2058 | result, |
| 2059 | &miss, // When not a string. |
| 2060 | &miss, // When not a number. |
| 2061 | index_out_of_range_label, |
| 2062 | STRING_INDEX_IS_NUMBER); |
| 2063 | generator.GenerateFast(masm()); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2064 | __ ret((argc + 1) * kPointerSize); |
| 2065 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2066 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2067 | generator.GenerateSlow(masm(), call_helper); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2068 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2069 | if (index_out_of_range.is_linked()) { |
| 2070 | __ bind(&index_out_of_range); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2071 | __ Set(eax, Immediate(factory()->nan_value())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2072 | __ ret((argc + 1) * kPointerSize); |
| 2073 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2074 | |
| 2075 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2076 | // Restore function name in ecx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2077 | __ Set(ecx, Immediate(name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2078 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2079 | GenerateMissBranch(); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2080 | |
| 2081 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2082 | return GetCode(function); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2083 | } |
| 2084 | |
| 2085 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2086 | Handle<Code> CallStubCompiler::CompileStringCharAtCall( |
| 2087 | Handle<Object> object, |
| 2088 | Handle<JSObject> holder, |
| 2089 | Handle<JSGlobalPropertyCell> cell, |
| 2090 | Handle<JSFunction> function, |
| 2091 | Handle<String> name) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2092 | // ----------- S t a t e ------------- |
| 2093 | // -- ecx : function name |
| 2094 | // -- esp[0] : return address |
| 2095 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2096 | // -- ... |
| 2097 | // -- esp[(argc + 1) * 4] : receiver |
| 2098 | // ----------------------------------- |
| 2099 | |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 2100 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2101 | if (!object->IsString() || !cell.is_null()) { |
| 2102 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2103 | } |
ager@chromium.org | ea4f62e | 2010-08-16 16:28:43 +0000 | [diff] [blame] | 2104 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2105 | const int argc = arguments().immediate(); |
| 2106 | |
| 2107 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2108 | Label name_miss; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2109 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2110 | Label* index_out_of_range_label = &index_out_of_range; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2111 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2112 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2113 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2114 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2115 | index_out_of_range_label = &miss; |
| 2116 | } |
| 2117 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2118 | GenerateNameCheck(name, &name_miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2119 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2120 | // Check that the maps starting from the prototype haven't changed. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2121 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 2122 | Context::STRING_FUNCTION_INDEX, |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2123 | eax, |
| 2124 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2125 | ASSERT(!object.is_identical_to(holder)); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2126 | CheckPrototypes( |
| 2127 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2128 | eax, holder, ebx, edx, edi, name, &miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2129 | |
| 2130 | Register receiver = eax; |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2131 | Register index = edi; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 2132 | Register scratch = edx; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2133 | Register result = eax; |
| 2134 | __ mov(receiver, Operand(esp, (argc + 1) * kPointerSize)); |
| 2135 | if (argc > 0) { |
| 2136 | __ mov(index, Operand(esp, (argc - 0) * kPointerSize)); |
| 2137 | } else { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2138 | __ Set(index, Immediate(factory()->undefined_value())); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2139 | } |
| 2140 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2141 | StringCharAtGenerator generator(receiver, |
| 2142 | index, |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 2143 | scratch, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2144 | result, |
| 2145 | &miss, // When not a string. |
| 2146 | &miss, // When not a number. |
| 2147 | index_out_of_range_label, |
| 2148 | STRING_INDEX_IS_NUMBER); |
| 2149 | generator.GenerateFast(masm()); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2150 | __ ret((argc + 1) * kPointerSize); |
| 2151 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2152 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2153 | generator.GenerateSlow(masm(), call_helper); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2154 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2155 | if (index_out_of_range.is_linked()) { |
| 2156 | __ bind(&index_out_of_range); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2157 | __ Set(eax, Immediate(factory()->empty_string())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2158 | __ ret((argc + 1) * kPointerSize); |
| 2159 | } |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2160 | |
| 2161 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2162 | // Restore function name in ecx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2163 | __ Set(ecx, Immediate(name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2164 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2165 | GenerateMissBranch(); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2166 | |
| 2167 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2168 | return GetCode(function); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2169 | } |
| 2170 | |
| 2171 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2172 | Handle<Code> CallStubCompiler::CompileStringFromCharCodeCall( |
| 2173 | Handle<Object> object, |
| 2174 | Handle<JSObject> holder, |
| 2175 | Handle<JSGlobalPropertyCell> cell, |
| 2176 | Handle<JSFunction> function, |
| 2177 | Handle<String> name) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2178 | // ----------- S t a t e ------------- |
| 2179 | // -- ecx : function name |
| 2180 | // -- esp[0] : return address |
| 2181 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2182 | // -- ... |
| 2183 | // -- esp[(argc + 1) * 4] : receiver |
| 2184 | // ----------------------------------- |
| 2185 | |
| 2186 | const int argc = arguments().immediate(); |
| 2187 | |
| 2188 | // If the object is not a JSObject or we got an unexpected number of |
| 2189 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2190 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2191 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2192 | } |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2193 | |
| 2194 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2195 | GenerateNameCheck(name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2196 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2197 | if (cell.is_null()) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2198 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2199 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2200 | __ JumpIfSmi(edx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2201 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2202 | name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2203 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2204 | ASSERT(cell->value() == *function); |
| 2205 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2206 | &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2207 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2208 | } |
| 2209 | |
| 2210 | // Load the char code argument. |
| 2211 | Register code = ebx; |
| 2212 | __ mov(code, Operand(esp, 1 * kPointerSize)); |
| 2213 | |
| 2214 | // Check the code is a smi. |
| 2215 | Label slow; |
| 2216 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2217 | __ JumpIfNotSmi(code, &slow); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2218 | |
| 2219 | // Convert the smi code to uint16. |
| 2220 | __ and_(code, Immediate(Smi::FromInt(0xffff))); |
| 2221 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2222 | StringCharFromCodeGenerator generator(code, eax); |
| 2223 | generator.GenerateFast(masm()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2224 | __ ret(2 * kPointerSize); |
| 2225 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2226 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2227 | generator.GenerateSlow(masm(), call_helper); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2228 | |
| 2229 | // Tail call the full function. We do not have to patch the receiver |
| 2230 | // because the function makes no use of it. |
| 2231 | __ bind(&slow); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2232 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2233 | ? CALL_AS_FUNCTION |
| 2234 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2235 | ParameterCount expected(function); |
| 2236 | __ InvokeFunction(function, expected, arguments(), |
| 2237 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2238 | |
| 2239 | __ bind(&miss); |
| 2240 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2241 | GenerateMissBranch(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2242 | |
| 2243 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2244 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2245 | } |
| 2246 | |
| 2247 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2248 | Handle<Code> CallStubCompiler::CompileMathFloorCall( |
| 2249 | Handle<Object> object, |
| 2250 | Handle<JSObject> holder, |
| 2251 | Handle<JSGlobalPropertyCell> cell, |
| 2252 | Handle<JSFunction> function, |
| 2253 | Handle<String> name) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2254 | // ----------- S t a t e ------------- |
| 2255 | // -- ecx : name |
| 2256 | // -- esp[0] : return address |
| 2257 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2258 | // -- ... |
| 2259 | // -- esp[(argc + 1) * 4] : receiver |
| 2260 | // ----------------------------------- |
| 2261 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 2262 | if (!CpuFeatures::IsSupported(SSE2)) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2263 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2264 | } |
| 2265 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2266 | CpuFeatureScope use_sse2(masm(), SSE2); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2267 | |
| 2268 | const int argc = arguments().immediate(); |
| 2269 | |
| 2270 | // If the object is not a JSObject or we got an unexpected number of |
| 2271 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2272 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2273 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2274 | } |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2275 | |
| 2276 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2277 | GenerateNameCheck(name, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2278 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2279 | if (cell.is_null()) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2280 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
| 2281 | |
| 2282 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2283 | __ JumpIfSmi(edx, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2284 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2285 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2286 | name, &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2287 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2288 | ASSERT(cell->value() == *function); |
| 2289 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2290 | &miss); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2291 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2292 | } |
| 2293 | |
| 2294 | // Load the (only) argument into eax. |
| 2295 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2296 | |
| 2297 | // Check if the argument is a smi. |
| 2298 | Label smi; |
| 2299 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2300 | __ JumpIfSmi(eax, &smi); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2301 | |
| 2302 | // Check if the argument is a heap number and load its value into xmm0. |
| 2303 | Label slow; |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2304 | __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2305 | __ movdbl(xmm0, FieldOperand(eax, HeapNumber::kValueOffset)); |
| 2306 | |
| 2307 | // Check if the argument is strictly positive. Note this also |
| 2308 | // discards NaN. |
| 2309 | __ xorpd(xmm1, xmm1); |
| 2310 | __ ucomisd(xmm0, xmm1); |
| 2311 | __ j(below_equal, &slow); |
| 2312 | |
| 2313 | // Do a truncating conversion. |
| 2314 | __ cvttsd2si(eax, Operand(xmm0)); |
| 2315 | |
| 2316 | // Check if the result fits into a smi. Note this also checks for |
| 2317 | // 0x80000000 which signals a failed conversion. |
| 2318 | Label wont_fit_into_smi; |
| 2319 | __ test(eax, Immediate(0xc0000000)); |
| 2320 | __ j(not_zero, &wont_fit_into_smi); |
| 2321 | |
| 2322 | // Smi tag and return. |
| 2323 | __ SmiTag(eax); |
| 2324 | __ bind(&smi); |
| 2325 | __ ret(2 * kPointerSize); |
| 2326 | |
| 2327 | // Check if the argument is < 2^kMantissaBits. |
| 2328 | Label already_round; |
| 2329 | __ bind(&wont_fit_into_smi); |
| 2330 | __ LoadPowerOf2(xmm1, ebx, HeapNumber::kMantissaBits); |
| 2331 | __ ucomisd(xmm0, xmm1); |
| 2332 | __ j(above_equal, &already_round); |
| 2333 | |
| 2334 | // Save a copy of the argument. |
| 2335 | __ movaps(xmm2, xmm0); |
| 2336 | |
| 2337 | // Compute (argument + 2^kMantissaBits) - 2^kMantissaBits. |
| 2338 | __ addsd(xmm0, xmm1); |
| 2339 | __ subsd(xmm0, xmm1); |
| 2340 | |
| 2341 | // Compare the argument and the tentative result to get the right mask: |
| 2342 | // if xmm2 < xmm0: |
| 2343 | // xmm2 = 1...1 |
| 2344 | // else: |
| 2345 | // xmm2 = 0...0 |
| 2346 | __ cmpltsd(xmm2, xmm0); |
| 2347 | |
| 2348 | // Subtract 1 if the argument was less than the tentative result. |
| 2349 | __ LoadPowerOf2(xmm1, ebx, 0); |
| 2350 | __ andpd(xmm1, xmm2); |
| 2351 | __ subsd(xmm0, xmm1); |
| 2352 | |
| 2353 | // Return a new heap number. |
| 2354 | __ AllocateHeapNumber(eax, ebx, edx, &slow); |
| 2355 | __ movdbl(FieldOperand(eax, HeapNumber::kValueOffset), xmm0); |
| 2356 | __ ret(2 * kPointerSize); |
| 2357 | |
| 2358 | // Return the argument (when it's an already round heap number). |
| 2359 | __ bind(&already_round); |
| 2360 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2361 | __ ret(2 * kPointerSize); |
| 2362 | |
| 2363 | // Tail call the full function. We do not have to patch the receiver |
| 2364 | // because the function makes no use of it. |
| 2365 | __ bind(&slow); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2366 | ParameterCount expected(function); |
| 2367 | __ InvokeFunction(function, expected, arguments(), |
| 2368 | JUMP_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2369 | |
| 2370 | __ bind(&miss); |
| 2371 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2372 | GenerateMissBranch(); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2373 | |
| 2374 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2375 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2376 | } |
| 2377 | |
| 2378 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2379 | Handle<Code> CallStubCompiler::CompileMathAbsCall( |
| 2380 | Handle<Object> object, |
| 2381 | Handle<JSObject> holder, |
| 2382 | Handle<JSGlobalPropertyCell> cell, |
| 2383 | Handle<JSFunction> function, |
| 2384 | Handle<String> name) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2385 | // ----------- S t a t e ------------- |
| 2386 | // -- ecx : name |
| 2387 | // -- esp[0] : return address |
| 2388 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2389 | // -- ... |
| 2390 | // -- esp[(argc + 1) * 4] : receiver |
| 2391 | // ----------------------------------- |
| 2392 | |
| 2393 | const int argc = arguments().immediate(); |
| 2394 | |
| 2395 | // If the object is not a JSObject or we got an unexpected number of |
| 2396 | // arguments, bail out to the regular call. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2397 | if (!object->IsJSObject() || argc != 1) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2398 | return Handle<Code>::null(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2399 | } |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2400 | |
| 2401 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2402 | GenerateNameCheck(name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2403 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2404 | if (cell.is_null()) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2405 | __ mov(edx, Operand(esp, 2 * kPointerSize)); |
| 2406 | |
| 2407 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2408 | __ JumpIfSmi(edx, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2409 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2410 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2411 | name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2412 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2413 | ASSERT(cell->value() == *function); |
| 2414 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2415 | &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2416 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2417 | } |
| 2418 | |
| 2419 | // Load the (only) argument into eax. |
| 2420 | __ mov(eax, Operand(esp, 1 * kPointerSize)); |
| 2421 | |
| 2422 | // Check if the argument is a smi. |
| 2423 | Label not_smi; |
| 2424 | STATIC_ASSERT(kSmiTag == 0); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2425 | __ JumpIfNotSmi(eax, ¬_smi); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2426 | |
| 2427 | // Set ebx to 1...1 (== -1) if the argument is negative, or to 0...0 |
| 2428 | // otherwise. |
| 2429 | __ mov(ebx, eax); |
| 2430 | __ sar(ebx, kBitsPerInt - 1); |
| 2431 | |
| 2432 | // Do bitwise not or do nothing depending on ebx. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2433 | __ xor_(eax, ebx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2434 | |
| 2435 | // Add 1 or do nothing depending on ebx. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2436 | __ sub(eax, ebx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2437 | |
| 2438 | // If the result is still negative, go to the slow case. |
| 2439 | // This only happens for the most negative smi. |
| 2440 | Label slow; |
| 2441 | __ j(negative, &slow); |
| 2442 | |
| 2443 | // Smi case done. |
| 2444 | __ ret(2 * kPointerSize); |
| 2445 | |
| 2446 | // Check if the argument is a heap number and load its exponent and |
| 2447 | // sign into ebx. |
| 2448 | __ bind(¬_smi); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2449 | __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2450 | __ mov(ebx, FieldOperand(eax, HeapNumber::kExponentOffset)); |
| 2451 | |
| 2452 | // Check the sign of the argument. If the argument is positive, |
| 2453 | // just return it. |
| 2454 | Label negative_sign; |
| 2455 | __ test(ebx, Immediate(HeapNumber::kSignMask)); |
| 2456 | __ j(not_zero, &negative_sign); |
| 2457 | __ ret(2 * kPointerSize); |
| 2458 | |
| 2459 | // If the argument is negative, clear the sign, and return a new |
| 2460 | // number. |
| 2461 | __ bind(&negative_sign); |
| 2462 | __ and_(ebx, ~HeapNumber::kSignMask); |
| 2463 | __ mov(ecx, FieldOperand(eax, HeapNumber::kMantissaOffset)); |
| 2464 | __ AllocateHeapNumber(eax, edi, edx, &slow); |
| 2465 | __ mov(FieldOperand(eax, HeapNumber::kExponentOffset), ebx); |
| 2466 | __ mov(FieldOperand(eax, HeapNumber::kMantissaOffset), ecx); |
| 2467 | __ ret(2 * kPointerSize); |
| 2468 | |
| 2469 | // Tail call the full function. We do not have to patch the receiver |
| 2470 | // because the function makes no use of it. |
| 2471 | __ bind(&slow); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2472 | ParameterCount expected(function); |
| 2473 | __ InvokeFunction(function, expected, arguments(), |
| 2474 | JUMP_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2475 | |
| 2476 | __ bind(&miss); |
| 2477 | // ecx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2478 | GenerateMissBranch(); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2479 | |
| 2480 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2481 | return cell.is_null() ? GetCode(function) : GetCode(Code::NORMAL, name); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2482 | } |
| 2483 | |
| 2484 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2485 | Handle<Code> CallStubCompiler::CompileFastApiCall( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2486 | const CallOptimization& optimization, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2487 | Handle<Object> object, |
| 2488 | Handle<JSObject> holder, |
| 2489 | Handle<JSGlobalPropertyCell> cell, |
| 2490 | Handle<JSFunction> function, |
| 2491 | Handle<String> name) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2492 | ASSERT(optimization.is_simple_api_call()); |
| 2493 | // Bail out if object is a global object as we don't want to |
| 2494 | // repatch it to global receiver. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2495 | if (object->IsGlobalObject()) return Handle<Code>::null(); |
| 2496 | if (!cell.is_null()) return Handle<Code>::null(); |
| 2497 | if (!object->IsJSObject()) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2498 | int depth = optimization.GetPrototypeDepthOfExpectedType( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2499 | Handle<JSObject>::cast(object), holder); |
| 2500 | if (depth == kInvalidProtoDepth) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2501 | |
| 2502 | Label miss, miss_before_stack_reserved; |
| 2503 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2504 | GenerateNameCheck(name, &miss_before_stack_reserved); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2505 | |
| 2506 | // Get the receiver from the stack. |
| 2507 | const int argc = arguments().immediate(); |
| 2508 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 2509 | |
| 2510 | // Check that the receiver isn't a smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2511 | __ JumpIfSmi(edx, &miss_before_stack_reserved); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2512 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2513 | Counters* counters = isolate()->counters(); |
| 2514 | __ IncrementCounter(counters->call_const(), 1); |
| 2515 | __ IncrementCounter(counters->call_const_fast_api(), 1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2516 | |
| 2517 | // Allocate space for v8::Arguments implicit values. Must be initialized |
| 2518 | // before calling any runtime function. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2519 | __ sub(esp, Immediate(kFastApiCallArguments * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2520 | |
| 2521 | // 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] | 2522 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, edi, |
| 2523 | name, depth, &miss); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2524 | |
| 2525 | // Move the return address on top of the stack. |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 2526 | __ mov(eax, Operand(esp, kFastApiCallArguments * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2527 | __ mov(Operand(esp, 0 * kPointerSize), eax); |
| 2528 | |
| 2529 | // esp[2 * kPointerSize] is uninitialized, esp[3 * kPointerSize] contains |
| 2530 | // duplicate of return address and will be overwritten. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2531 | GenerateFastApiCall(masm(), optimization, argc); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2532 | |
| 2533 | __ bind(&miss); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2534 | __ add(esp, Immediate(kFastApiCallArguments * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2535 | |
| 2536 | __ bind(&miss_before_stack_reserved); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2537 | GenerateMissBranch(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2538 | |
| 2539 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2540 | return GetCode(function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2541 | } |
| 2542 | |
| 2543 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2544 | void CallStubCompiler::CompileHandlerFrontend(Handle<Object> object, |
| 2545 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2546 | Handle<Name> name, |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2547 | CheckType check, |
| 2548 | Label* success) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2549 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2550 | // -- ecx : name |
| 2551 | // -- esp[0] : return address |
| 2552 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2553 | // -- ... |
| 2554 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2555 | // ----------------------------------- |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2556 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2557 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2558 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2559 | // Get the receiver from the stack. |
| 2560 | const int argc = arguments().immediate(); |
| 2561 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
| 2562 | |
| 2563 | // Check that the receiver isn't a smi. |
| 2564 | if (check != NUMBER_CHECK) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2565 | __ JumpIfSmi(edx, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2566 | } |
| 2567 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2568 | // Make sure that it's okay not to patch the on stack receiver |
| 2569 | // unless we're doing a receiver map check. |
| 2570 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2571 | switch (check) { |
| 2572 | case RECEIVER_MAP_CHECK: |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2573 | __ IncrementCounter(isolate()->counters()->call_const(), 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2574 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2575 | // Check that the maps haven't changed. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2576 | CheckPrototypes(Handle<JSObject>::cast(object), edx, holder, ebx, eax, |
| 2577 | edi, name, &miss); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2578 | |
| 2579 | // Patch the receiver on the stack with the global proxy if |
| 2580 | // necessary. |
| 2581 | if (object->IsGlobalObject()) { |
| 2582 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2583 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2584 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2585 | break; |
| 2586 | |
| 2587 | case STRING_CHECK: |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2588 | // Check that the object is a string. |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2589 | __ CmpObjectType(edx, FIRST_NONSTRING_TYPE, eax); |
| 2590 | __ j(above_equal, &miss); |
| 2591 | // Check that the maps starting from the prototype haven't changed. |
| 2592 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2593 | masm(), Context::STRING_FUNCTION_INDEX, eax, &miss); |
| 2594 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2595 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2596 | eax, holder, ebx, edx, edi, name, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2597 | break; |
| 2598 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2599 | case SYMBOL_CHECK: |
| 2600 | // Check that the object is a symbol. |
| 2601 | __ CmpObjectType(edx, SYMBOL_TYPE, eax); |
| 2602 | __ j(not_equal, &miss); |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 2603 | // Check that the maps starting from the prototype haven't changed. |
| 2604 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2605 | masm(), Context::SYMBOL_FUNCTION_INDEX, eax, &miss); |
| 2606 | CheckPrototypes( |
| 2607 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2608 | eax, holder, ebx, edx, edi, name, &miss); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2609 | break; |
| 2610 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2611 | case NUMBER_CHECK: { |
| 2612 | Label fast; |
| 2613 | // Check that the object is a smi or a heap number. |
| 2614 | __ JumpIfSmi(edx, &fast); |
| 2615 | __ CmpObjectType(edx, HEAP_NUMBER_TYPE, eax); |
| 2616 | __ j(not_equal, &miss); |
| 2617 | __ bind(&fast); |
| 2618 | // Check that the maps starting from the prototype haven't changed. |
| 2619 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2620 | masm(), Context::NUMBER_FUNCTION_INDEX, eax, &miss); |
| 2621 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2622 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2623 | eax, holder, ebx, edx, edi, name, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2624 | break; |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2625 | } |
| 2626 | case BOOLEAN_CHECK: { |
| 2627 | Label fast; |
| 2628 | // Check that the object is a boolean. |
| 2629 | __ cmp(edx, factory()->true_value()); |
| 2630 | __ j(equal, &fast); |
| 2631 | __ cmp(edx, factory()->false_value()); |
| 2632 | __ j(not_equal, &miss); |
| 2633 | __ bind(&fast); |
| 2634 | // Check that the maps starting from the prototype haven't changed. |
| 2635 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2636 | masm(), Context::BOOLEAN_FUNCTION_INDEX, eax, &miss); |
| 2637 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2638 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2639 | eax, holder, ebx, edx, edi, name, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2640 | break; |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2641 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2642 | } |
| 2643 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2644 | __ jmp(success); |
| 2645 | |
| 2646 | // Handle call cache miss. |
| 2647 | __ bind(&miss); |
| 2648 | GenerateMissBranch(); |
| 2649 | } |
| 2650 | |
| 2651 | |
| 2652 | void CallStubCompiler::CompileHandlerBackend(Handle<JSFunction> function) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2653 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2654 | ? CALL_AS_FUNCTION |
| 2655 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2656 | ParameterCount expected(function); |
| 2657 | __ InvokeFunction(function, expected, arguments(), |
| 2658 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2659 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2660 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2661 | |
| 2662 | Handle<Code> CallStubCompiler::CompileCallConstant( |
| 2663 | Handle<Object> object, |
| 2664 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2665 | Handle<Name> name, |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2666 | CheckType check, |
| 2667 | Handle<JSFunction> function) { |
| 2668 | |
| 2669 | if (HasCustomCallGenerator(function)) { |
| 2670 | Handle<Code> code = CompileCustomCall(object, holder, |
| 2671 | Handle<JSGlobalPropertyCell>::null(), |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2672 | function, Handle<String>::cast(name)); |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2673 | // A null handle means bail out to the regular compiler code below. |
| 2674 | if (!code.is_null()) return code; |
| 2675 | } |
| 2676 | |
| 2677 | Label success; |
| 2678 | |
| 2679 | CompileHandlerFrontend(object, holder, name, check, &success); |
| 2680 | __ bind(&success); |
| 2681 | CompileHandlerBackend(function); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2682 | |
| 2683 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2684 | return GetCode(function); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2685 | } |
| 2686 | |
| 2687 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2688 | Handle<Code> CallStubCompiler::CompileCallInterceptor(Handle<JSObject> object, |
| 2689 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2690 | Handle<Name> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2691 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2692 | // -- ecx : name |
| 2693 | // -- esp[0] : return address |
| 2694 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2695 | // -- ... |
| 2696 | // -- esp[(argc + 1) * 4] : receiver |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2697 | // ----------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2698 | Label miss; |
| 2699 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2700 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2701 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2702 | // Get the number of arguments. |
| 2703 | const int argc = arguments().immediate(); |
| 2704 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2705 | LookupResult lookup(isolate()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2706 | LookupPostInterceptor(holder, name, &lookup); |
| 2707 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2708 | // Get the receiver from the stack. |
| 2709 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2710 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2711 | CallInterceptorCompiler compiler(this, arguments(), ecx, extra_state_); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2712 | compiler.Compile(masm(), object, holder, name, &lookup, edx, ebx, edi, eax, |
| 2713 | &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2714 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2715 | // Restore receiver. |
| 2716 | __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2717 | |
| 2718 | // Check that the function really is a function. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 2719 | __ JumpIfSmi(eax, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2720 | __ CmpObjectType(eax, JS_FUNCTION_TYPE, ebx); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2721 | __ j(not_equal, &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2722 | |
kasperl@chromium.org | 9fe21c6 | 2008-10-28 08:53:51 +0000 | [diff] [blame] | 2723 | // Patch the receiver on the stack with the global proxy if |
| 2724 | // necessary. |
| 2725 | if (object->IsGlobalObject()) { |
| 2726 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2727 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2728 | } |
| 2729 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2730 | // Invoke the function. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2731 | __ mov(edi, eax); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2732 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2733 | ? CALL_AS_FUNCTION |
| 2734 | : CALL_AS_METHOD; |
| 2735 | __ InvokeFunction(edi, arguments(), JUMP_FUNCTION, |
| 2736 | NullCallWrapper(), call_kind); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2737 | |
| 2738 | // Handle load cache miss. |
| 2739 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2740 | GenerateMissBranch(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2741 | |
| 2742 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2743 | return GetCode(Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2744 | } |
| 2745 | |
| 2746 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2747 | Handle<Code> CallStubCompiler::CompileCallGlobal( |
| 2748 | Handle<JSObject> object, |
| 2749 | Handle<GlobalObject> holder, |
| 2750 | Handle<JSGlobalPropertyCell> cell, |
| 2751 | Handle<JSFunction> function, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2752 | Handle<Name> name) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2753 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2754 | // -- ecx : name |
| 2755 | // -- esp[0] : return address |
| 2756 | // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
| 2757 | // -- ... |
| 2758 | // -- esp[(argc + 1) * 4] : receiver |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2759 | // ----------------------------------- |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2760 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2761 | if (HasCustomCallGenerator(function)) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2762 | Handle<Code> code = CompileCustomCall( |
| 2763 | object, holder, cell, function, Handle<String>::cast(name)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2764 | // A null handle means bail out to the regular compiler code below. |
| 2765 | if (!code.is_null()) return code; |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2766 | } |
| 2767 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2768 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2769 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2770 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2771 | // Get the number of arguments. |
| 2772 | const int argc = arguments().immediate(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2773 | GenerateGlobalReceiverCheck(object, holder, name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2774 | GenerateLoadFunctionFromCell(cell, function, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2775 | |
| 2776 | // Patch the receiver on the stack with the global proxy. |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 2777 | if (object->IsGlobalObject()) { |
| 2778 | __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
| 2779 | __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
| 2780 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2781 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2782 | // Set up the context (function already in edi). |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2783 | __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 2784 | |
| 2785 | // Jump to the cached code (tail call). |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2786 | Counters* counters = isolate()->counters(); |
| 2787 | __ IncrementCounter(counters->call_global_inline(), 1); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2788 | ParameterCount expected(function->shared()->formal_parameter_count()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2789 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2790 | ? CALL_AS_FUNCTION |
| 2791 | : CALL_AS_METHOD; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2792 | // We call indirectly through the code field in the function to |
| 2793 | // allow recompilation to take effect without changing any of the |
| 2794 | // call sites. |
| 2795 | __ InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset), |
| 2796 | expected, arguments(), JUMP_FUNCTION, |
| 2797 | NullCallWrapper(), call_kind); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2798 | |
| 2799 | // Handle call cache miss. |
| 2800 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2801 | __ IncrementCounter(counters->call_global_inline_miss(), 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2802 | GenerateMissBranch(); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2803 | |
| 2804 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2805 | return GetCode(Code::NORMAL, name); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2806 | } |
| 2807 | |
| 2808 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2809 | Handle<Code> StoreStubCompiler::CompileStoreCallback( |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2810 | Handle<Name> name, |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2811 | Handle<JSObject> object, |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2812 | Handle<JSObject> holder, |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 2813 | Handle<ExecutableAccessorInfo> callback) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2814 | Label miss, miss_restore_name; |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2815 | // Check that the maps haven't changed, preserving the value register. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2816 | __ JumpIfSmi(receiver(), &miss); |
| 2817 | CheckPrototypes(object, receiver(), holder, |
| 2818 | scratch1(), this->name(), scratch2(), |
| 2819 | name, &miss_restore_name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2820 | |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2821 | // Stub never generated for non-global objects that require access checks. |
| 2822 | ASSERT(holder->IsJSGlobalProxy() || !holder->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2823 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2824 | __ pop(scratch1()); // remove the return address |
| 2825 | __ push(receiver()); |
| 2826 | __ Push(callback); |
| 2827 | __ Push(name); |
| 2828 | __ push(value()); |
| 2829 | __ push(scratch1()); // restore return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2830 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 2831 | // Do tail-call to the runtime system. |
| 2832 | ExternalReference store_callback_property = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2833 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2834 | __ TailCallExternalReference(store_callback_property, 4, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2835 | |
| 2836 | // Handle store cache miss. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2837 | GenerateRestoreName(masm(), &miss_restore_name, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2838 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2839 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2840 | |
| 2841 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2842 | return GetICCode(kind(), Code::CALLBACKS, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2843 | } |
| 2844 | |
| 2845 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2846 | #undef __ |
| 2847 | #define __ ACCESS_MASM(masm) |
| 2848 | |
| 2849 | |
| 2850 | void StoreStubCompiler::GenerateStoreViaSetter( |
| 2851 | MacroAssembler* masm, |
| 2852 | Handle<JSFunction> setter) { |
| 2853 | // ----------- S t a t e ------------- |
| 2854 | // -- eax : value |
| 2855 | // -- ecx : name |
| 2856 | // -- edx : receiver |
| 2857 | // -- esp[0] : return address |
| 2858 | // ----------------------------------- |
| 2859 | { |
| 2860 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 2861 | |
| 2862 | // Save value register, so we can restore it later. |
| 2863 | __ push(eax); |
| 2864 | |
| 2865 | if (!setter.is_null()) { |
| 2866 | // Call the JavaScript setter with receiver and value on the stack. |
| 2867 | __ push(edx); |
| 2868 | __ push(eax); |
| 2869 | ParameterCount actual(1); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2870 | ParameterCount expected(setter); |
| 2871 | __ InvokeFunction(setter, expected, actual, |
| 2872 | CALL_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2873 | } else { |
| 2874 | // If we generate a global code snippet for deoptimization only, remember |
| 2875 | // the place to continue after deoptimization. |
| 2876 | masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
| 2877 | } |
| 2878 | |
| 2879 | // We have to return the passed value, not the return value of the setter. |
| 2880 | __ pop(eax); |
| 2881 | |
| 2882 | // Restore context register. |
| 2883 | __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 2884 | } |
| 2885 | __ ret(0); |
| 2886 | } |
| 2887 | |
| 2888 | |
| 2889 | #undef __ |
| 2890 | #define __ ACCESS_MASM(masm()) |
| 2891 | |
| 2892 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2893 | Handle<Code> StoreStubCompiler::CompileStoreInterceptor( |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2894 | Handle<JSObject> object, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2895 | Handle<Name> name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2896 | Label miss; |
| 2897 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2898 | // Check that the map of the object hasn't changed. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2899 | __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2900 | |
| 2901 | // Perform global security token check if needed. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2902 | if (object->IsJSGlobalProxy()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2903 | __ CheckAccessGlobalProxy(receiver(), scratch1(), scratch2(), &miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2904 | } |
| 2905 | |
| 2906 | // Stub never generated for non-global objects that require access |
| 2907 | // checks. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2908 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2909 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2910 | __ pop(scratch1()); // remove the return address |
| 2911 | __ push(receiver()); |
| 2912 | __ push(this->name()); |
| 2913 | __ push(value()); |
| 2914 | __ push(Immediate(Smi::FromInt(strict_mode()))); |
| 2915 | __ push(scratch1()); // restore return address |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2916 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 2917 | // Do tail-call to the runtime system. |
| 2918 | ExternalReference store_ic_property = |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2919 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty), isolate()); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 2920 | __ TailCallExternalReference(store_ic_property, 4, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2921 | |
| 2922 | // Handle store cache miss. |
| 2923 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2924 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2925 | |
| 2926 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2927 | return GetICCode(kind(), Code::INTERCEPTOR, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2928 | } |
| 2929 | |
| 2930 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2931 | Handle<Code> StoreStubCompiler::CompileStoreGlobal( |
| 2932 | Handle<GlobalObject> object, |
| 2933 | Handle<JSGlobalPropertyCell> cell, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2934 | Handle<Name> name) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2935 | Label miss; |
| 2936 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2937 | // Check that the map of the global has not changed. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2938 | __ cmp(FieldOperand(receiver(), HeapObject::kMapOffset), |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2939 | Immediate(Handle<Map>(object->map()))); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 2940 | __ j(not_equal, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2941 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2942 | // Compute the cell operand to use. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2943 | __ mov(scratch1(), Immediate(cell)); |
| 2944 | Operand cell_operand = |
| 2945 | FieldOperand(scratch1(), JSGlobalPropertyCell::kValueOffset); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2946 | |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2947 | // Check that the value in the cell is not the hole. If it is, this |
| 2948 | // cell could have been deleted and reintroducing the global needs |
| 2949 | // to update the property details in the property dictionary of the |
| 2950 | // 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] | 2951 | __ cmp(cell_operand, factory()->the_hole_value()); |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2952 | __ j(equal, &miss); |
| 2953 | |
| 2954 | // Store the value in the cell. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2955 | __ mov(cell_operand, value()); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2956 | // No write barrier here, because cells are always rescanned. |
ager@chromium.org | 378b34e | 2011-01-28 08:04:38 +0000 | [diff] [blame] | 2957 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2958 | // Return the value (register eax). |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2959 | Counters* counters = isolate()->counters(); |
| 2960 | __ IncrementCounter(counters->named_store_global_inline(), 1); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2961 | __ ret(0); |
| 2962 | |
| 2963 | // Handle store cache miss. |
| 2964 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2965 | __ IncrementCounter(counters->named_store_global_inline_miss(), 1); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2966 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 2967 | |
| 2968 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2969 | return GetICCode(kind(), Code::NORMAL, name); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2970 | } |
| 2971 | |
| 2972 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2973 | Handle<Code> KeyedStoreStubCompiler::CompileStorePolymorphic( |
| 2974 | MapHandleList* receiver_maps, |
| 2975 | CodeHandleList* handler_stubs, |
| 2976 | MapHandleList* transitioned_maps) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2977 | Label miss; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2978 | __ JumpIfSmi(receiver(), &miss, Label::kNear); |
| 2979 | __ mov(scratch1(), FieldOperand(receiver(), HeapObject::kMapOffset)); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2980 | for (int i = 0; i < receiver_maps->length(); ++i) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2981 | __ cmp(scratch1(), receiver_maps->at(i)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2982 | if (transitioned_maps->at(i).is_null()) { |
| 2983 | __ j(equal, handler_stubs->at(i)); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2984 | } else { |
| 2985 | Label next_map; |
| 2986 | __ j(not_equal, &next_map, Label::kNear); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2987 | __ mov(transition_map(), Immediate(transitioned_maps->at(i))); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2988 | __ jmp(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2989 | __ bind(&next_map); |
| 2990 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2991 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2992 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2993 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2994 | |
| 2995 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2996 | return GetICCode( |
| 2997 | kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2998 | } |
| 2999 | |
| 3000 | |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 3001 | Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 3002 | Handle<JSObject> object, |
| 3003 | Handle<JSObject> last, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3004 | Handle<Name> name, |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 3005 | Handle<GlobalObject> global) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3006 | Label success; |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3007 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3008 | NonexistentHandlerFrontend(object, last, name, &success, global); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3009 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3010 | __ bind(&success); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3011 | // Return undefined if maps of the full prototype chain are still the |
| 3012 | // same and no global property with this name contains a value. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3013 | __ mov(eax, isolate()->factory()->undefined_value()); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3014 | __ ret(0); |
| 3015 | |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3016 | // Return the generated code. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3017 | return GetCode(kind(), Code::NONEXISTENT, name); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 3018 | } |
| 3019 | |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 3020 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 3021 | Register* LoadStubCompiler::registers() { |
| 3022 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
| 3023 | static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg }; |
| 3024 | return registers; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3025 | } |
| 3026 | |
| 3027 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 3028 | Register* KeyedLoadStubCompiler::registers() { |
| 3029 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
| 3030 | static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg }; |
| 3031 | return registers; |
| 3032 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3033 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3034 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3035 | Register* StoreStubCompiler::registers() { |
| 3036 | // receiver, name, value, scratch1, scratch2, scratch3. |
| 3037 | static Register registers[] = { edx, ecx, eax, ebx, edi, no_reg }; |
| 3038 | return registers; |
| 3039 | } |
| 3040 | |
| 3041 | |
| 3042 | Register* KeyedStoreStubCompiler::registers() { |
| 3043 | // receiver, name, value, scratch1, scratch2, scratch3. |
| 3044 | static Register registers[] = { edx, ecx, eax, ebx, edi, no_reg }; |
| 3045 | return registers; |
| 3046 | } |
| 3047 | |
| 3048 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3049 | void KeyedLoadStubCompiler::GenerateNameCheck(Handle<Name> name, |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 3050 | Register name_reg, |
| 3051 | Label* miss) { |
| 3052 | __ cmp(name_reg, Immediate(name)); |
| 3053 | __ j(not_equal, miss); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3054 | } |
| 3055 | |
| 3056 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3057 | void KeyedStoreStubCompiler::GenerateNameCheck(Handle<Name> name, |
| 3058 | Register name_reg, |
| 3059 | Label* miss) { |
| 3060 | __ cmp(name_reg, Immediate(name)); |
| 3061 | __ j(not_equal, miss); |
| 3062 | } |
| 3063 | |
| 3064 | |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3065 | #undef __ |
| 3066 | #define __ ACCESS_MASM(masm) |
| 3067 | |
| 3068 | |
| 3069 | void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm, |
| 3070 | Handle<JSFunction> getter) { |
| 3071 | // ----------- S t a t e ------------- |
| 3072 | // -- ecx : name |
| 3073 | // -- edx : receiver |
| 3074 | // -- esp[0] : return address |
| 3075 | // ----------------------------------- |
| 3076 | { |
| 3077 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 3078 | |
| 3079 | if (!getter.is_null()) { |
| 3080 | // Call the JavaScript getter with the receiver on the stack. |
| 3081 | __ push(edx); |
| 3082 | ParameterCount actual(0); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 3083 | ParameterCount expected(getter); |
| 3084 | __ InvokeFunction(getter, expected, actual, |
| 3085 | CALL_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3086 | } else { |
| 3087 | // If we generate a global code snippet for deoptimization only, remember |
| 3088 | // the place to continue after deoptimization. |
| 3089 | masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
| 3090 | } |
| 3091 | |
| 3092 | // Restore context register. |
| 3093 | __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
| 3094 | } |
| 3095 | __ ret(0); |
| 3096 | } |
| 3097 | |
| 3098 | |
| 3099 | #undef __ |
| 3100 | #define __ ACCESS_MASM(masm()) |
| 3101 | |
| 3102 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3103 | Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
| 3104 | Handle<JSObject> object, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3105 | Handle<GlobalObject> global, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3106 | Handle<JSGlobalPropertyCell> cell, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3107 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3108 | bool is_dont_delete) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3109 | Label success, miss; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3110 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3111 | __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); |
| 3112 | HandlerFrontendHeader( |
| 3113 | object, receiver(), Handle<JSObject>::cast(global), name, &miss); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3114 | // Get the value from the cell. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3115 | if (Serializer::enabled()) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3116 | __ mov(eax, Immediate(cell)); |
| 3117 | __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3118 | } else { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3119 | __ mov(eax, Operand::Cell(cell)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3120 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3121 | |
| 3122 | // Check for deleted property if property can actually be deleted. |
| 3123 | if (!is_dont_delete) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3124 | __ cmp(eax, factory()->the_hole_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3125 | __ j(equal, &miss); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 3126 | } else if (FLAG_debug_code) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3127 | __ cmp(eax, factory()->the_hole_value()); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 3128 | __ Check(not_equal, "DontDelete cells can't contain the hole"); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3129 | } |
| 3130 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3131 | HandlerFrontendFooter(&success, &miss); |
| 3132 | __ bind(&success); |
| 3133 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3134 | Counters* counters = isolate()->counters(); |
| 3135 | __ IncrementCounter(counters->named_load_global_stub(), 1); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3136 | // The code above already loads the result into the return register. |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3137 | __ ret(0); |
| 3138 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3139 | // Return the generated code. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3140 | return GetICCode(kind(), Code::NORMAL, name); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 3141 | } |
| 3142 | |
| 3143 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3144 | Handle<Code> BaseLoadStubCompiler::CompilePolymorphicIC( |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3145 | MapHandleList* receiver_maps, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3146 | CodeHandleList* handlers, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3147 | Handle<Name> name, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3148 | Code::StubType type, |
| 3149 | IcCheckType check) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3150 | Label miss; |
| 3151 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3152 | if (check == PROPERTY) { |
| 3153 | GenerateNameCheck(name, this->name(), &miss); |
| 3154 | } |
| 3155 | |
| 3156 | __ JumpIfSmi(receiver(), &miss); |
| 3157 | Register map_reg = scratch1(); |
| 3158 | __ mov(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3159 | int receiver_count = receiver_maps->length(); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3160 | int number_of_handled_maps = 0; |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3161 | for (int current = 0; current < receiver_count; ++current) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3162 | Handle<Map> map = receiver_maps->at(current); |
| 3163 | if (!map->is_deprecated()) { |
| 3164 | number_of_handled_maps++; |
| 3165 | __ cmp(map_reg, map); |
| 3166 | __ j(equal, handlers->at(current)); |
| 3167 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3168 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3169 | ASSERT(number_of_handled_maps != 0); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3170 | |
| 3171 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3172 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3173 | |
| 3174 | // Return the generated code. |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3175 | InlineCacheState state = |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3176 | number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3177 | return GetICCode(kind(), type, name, state); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 3178 | } |
| 3179 | |
| 3180 | |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3181 | // Specialized stub for constructing objects from functions which only have only |
| 3182 | // simple assignments of the form this.x = ...; in their body. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3183 | Handle<Code> ConstructStubCompiler::CompileConstructStub( |
| 3184 | Handle<JSFunction> function) { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3185 | // ----------- S t a t e ------------- |
| 3186 | // -- eax : argc |
| 3187 | // -- edi : constructor |
| 3188 | // -- esp[0] : return address |
| 3189 | // -- esp[4] : last argument |
| 3190 | // ----------------------------------- |
| 3191 | Label generic_stub_call; |
| 3192 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 3193 | // Check to see whether there are any break points in the function code. If |
| 3194 | // there are jump to the generic constructor stub which calls the actual |
| 3195 | // code for the function thereby hitting the break points. |
| 3196 | __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
| 3197 | __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kDebugInfoOffset)); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3198 | __ cmp(ebx, factory()->undefined_value()); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 3199 | __ j(not_equal, &generic_stub_call); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3200 | #endif |
| 3201 | |
| 3202 | // Load the initial map and verify that it is in fact a map. |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 3203 | // edi: constructor |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3204 | __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); |
| 3205 | // Will both indicate a NULL and a Smi. |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 3206 | __ JumpIfSmi(ebx, &generic_stub_call); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3207 | __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 3208 | __ j(not_equal, &generic_stub_call); |
| 3209 | |
| 3210 | #ifdef DEBUG |
| 3211 | // Cannot construct functions this way. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3212 | // ebx: initial map |
| 3213 | __ CmpInstanceType(ebx, JS_FUNCTION_TYPE); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 3214 | __ Check(not_equal, "Function constructed by construct stub."); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3215 | #endif |
| 3216 | |
| 3217 | // Now allocate the JSObject on the heap by moving the new space allocation |
| 3218 | // top forward. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3219 | // ebx: initial map |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 3220 | ASSERT(function->has_initial_map()); |
| 3221 | int instance_size = function->initial_map()->instance_size(); |
| 3222 | #ifdef DEBUG |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3223 | __ movzx_b(ecx, FieldOperand(ebx, Map::kInstanceSizeOffset)); |
| 3224 | __ shl(ecx, kPointerSizeLog2); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 3225 | __ cmp(ecx, Immediate(instance_size)); |
| 3226 | __ Check(equal, "Instance size of initial map changed."); |
| 3227 | #endif |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3228 | __ Allocate(instance_size, edx, ecx, no_reg, &generic_stub_call, |
| 3229 | NO_ALLOCATION_FLAGS); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3230 | |
| 3231 | // Allocated the JSObject, now initialize the fields and add the heap tag. |
| 3232 | // ebx: initial map |
| 3233 | // edx: JSObject (untagged) |
| 3234 | __ mov(Operand(edx, JSObject::kMapOffset), ebx); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3235 | __ mov(ebx, factory()->empty_fixed_array()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3236 | __ mov(Operand(edx, JSObject::kPropertiesOffset), ebx); |
| 3237 | __ mov(Operand(edx, JSObject::kElementsOffset), ebx); |
| 3238 | |
| 3239 | // Push the allocated object to the stack. This is the object that will be |
| 3240 | // returned (after it is tagged). |
| 3241 | __ push(edx); |
| 3242 | |
| 3243 | // eax: argc |
| 3244 | // edx: JSObject (untagged) |
| 3245 | // Load the address of the first in-object property into edx. |
| 3246 | __ lea(edx, Operand(edx, JSObject::kHeaderSize)); |
| 3247 | // Calculate the location of the first argument. The stack contains the |
| 3248 | // allocated object and the return address on top of the argc arguments. |
| 3249 | __ lea(ecx, Operand(esp, eax, times_4, 1 * kPointerSize)); |
| 3250 | |
| 3251 | // 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] | 3252 | __ mov(edi, factory()->undefined_value()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3253 | |
| 3254 | // eax: argc |
| 3255 | // ecx: first argument |
| 3256 | // edx: first in-object property of the JSObject |
| 3257 | // edi: undefined |
| 3258 | // Fill the initialized properties with a constant value or a passed argument |
| 3259 | // depending on the this.x = ...; assignment in the function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3260 | Handle<SharedFunctionInfo> shared(function->shared()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3261 | for (int i = 0; i < shared->this_property_assignments_count(); i++) { |
| 3262 | if (shared->IsThisPropertyAssignmentArgument(i)) { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3263 | // Check if the argument assigned to the property is actually passed. |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3264 | // If argument is not passed the property is set to undefined, |
| 3265 | // otherwise find it on the stack. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3266 | int arg_number = shared->GetThisPropertyAssignmentArgument(i); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3267 | __ mov(ebx, edi); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3268 | __ cmp(eax, arg_number); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3269 | if (CpuFeatures::IsSupported(CMOV)) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3270 | CpuFeatureScope use_cmov(masm(), CMOV); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 3271 | __ cmov(above, ebx, Operand(ecx, arg_number * -kPointerSize)); |
| 3272 | } else { |
| 3273 | Label not_passed; |
| 3274 | __ j(below_equal, ¬_passed); |
| 3275 | __ mov(ebx, Operand(ecx, arg_number * -kPointerSize)); |
| 3276 | __ bind(¬_passed); |
| 3277 | } |
| 3278 | // Store value in the property. |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3279 | __ mov(Operand(edx, i * kPointerSize), ebx); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3280 | } else { |
| 3281 | // Set the property to the constant value. |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 3282 | Handle<Object> constant(shared->GetThisPropertyAssignmentConstant(i), |
| 3283 | isolate()); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3284 | __ mov(Operand(edx, i * kPointerSize), Immediate(constant)); |
| 3285 | } |
| 3286 | } |
| 3287 | |
| 3288 | // Fill the unused in-object property fields with undefined. |
| 3289 | for (int i = shared->this_property_assignments_count(); |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 3290 | i < function->initial_map()->inobject_properties(); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3291 | i++) { |
| 3292 | __ mov(Operand(edx, i * kPointerSize), edi); |
| 3293 | } |
| 3294 | |
| 3295 | // Move argc to ebx and retrieve and tag the JSObject to return. |
| 3296 | __ mov(ebx, eax); |
| 3297 | __ pop(eax); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3298 | __ or_(eax, Immediate(kHeapObjectTag)); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3299 | |
| 3300 | // Remove caller arguments and receiver from the stack and return. |
| 3301 | __ pop(ecx); |
| 3302 | __ lea(esp, Operand(esp, ebx, times_pointer_size, 1 * kPointerSize)); |
| 3303 | __ push(ecx); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3304 | Counters* counters = isolate()->counters(); |
| 3305 | __ IncrementCounter(counters->constructed_objects(), 1); |
| 3306 | __ IncrementCounter(counters->constructed_objects_stub(), 1); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3307 | __ ret(0); |
| 3308 | |
| 3309 | // Jump to the generic stub in case the specialized code cannot handle the |
| 3310 | // construction. |
| 3311 | __ bind(&generic_stub_call); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 3312 | Handle<Code> code = isolate()->builtins()->JSConstructStubGeneric(); |
| 3313 | __ jmp(code, RelocInfo::CODE_TARGET); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 3314 | |
| 3315 | // Return the generated code. |
| 3316 | return GetCode(); |
| 3317 | } |
| 3318 | |
| 3319 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3320 | #undef __ |
| 3321 | #define __ ACCESS_MASM(masm) |
| 3322 | |
| 3323 | |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3324 | void KeyedLoadStubCompiler::GenerateLoadDictionaryElement( |
| 3325 | MacroAssembler* masm) { |
| 3326 | // ----------- S t a t e ------------- |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3327 | // -- ecx : key |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3328 | // -- edx : receiver |
| 3329 | // -- esp[0] : return address |
| 3330 | // ----------------------------------- |
| 3331 | Label slow, miss_force_generic; |
| 3332 | |
| 3333 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3334 | // have been verified by the caller to not be a smi. |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3335 | __ JumpIfNotSmi(ecx, &miss_force_generic); |
| 3336 | __ mov(ebx, ecx); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3337 | __ SmiUntag(ebx); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3338 | __ mov(eax, FieldOperand(edx, JSObject::kElementsOffset)); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3339 | |
| 3340 | // Push receiver on the stack to free up a register for the dictionary |
| 3341 | // probing. |
| 3342 | __ push(edx); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 3343 | __ LoadFromNumberDictionary(&slow, eax, ecx, ebx, edx, edi, eax); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3344 | // Pop receiver before returning. |
| 3345 | __ pop(edx); |
| 3346 | __ ret(0); |
| 3347 | |
| 3348 | __ bind(&slow); |
| 3349 | __ pop(edx); |
| 3350 | |
| 3351 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3352 | // -- ecx : key |
| 3353 | // -- edx : receiver |
| 3354 | // -- esp[0] : return address |
| 3355 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3356 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3357 | |
| 3358 | __ bind(&miss_force_generic); |
| 3359 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3360 | // -- ecx : key |
| 3361 | // -- edx : receiver |
| 3362 | // -- esp[0] : return address |
| 3363 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3364 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3365 | } |
| 3366 | |
| 3367 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3368 | static void GenerateSmiKeyCheck(MacroAssembler* masm, |
| 3369 | Register key, |
| 3370 | Register scratch, |
| 3371 | XMMRegister xmm_scratch0, |
| 3372 | XMMRegister xmm_scratch1, |
| 3373 | Label* fail) { |
| 3374 | // Check that key is a smi and if SSE2 is available a heap number |
| 3375 | // containing a smi and branch if the check fails. |
| 3376 | if (CpuFeatures::IsSupported(SSE2)) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3377 | CpuFeatureScope use_sse2(masm, SSE2); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3378 | Label key_ok; |
| 3379 | __ JumpIfSmi(key, &key_ok); |
| 3380 | __ cmp(FieldOperand(key, HeapObject::kMapOffset), |
| 3381 | Immediate(Handle<Map>(masm->isolate()->heap()->heap_number_map()))); |
| 3382 | __ j(not_equal, fail); |
| 3383 | __ movdbl(xmm_scratch0, FieldOperand(key, HeapNumber::kValueOffset)); |
| 3384 | __ cvttsd2si(scratch, Operand(xmm_scratch0)); |
| 3385 | __ cvtsi2sd(xmm_scratch1, scratch); |
| 3386 | __ ucomisd(xmm_scratch1, xmm_scratch0); |
| 3387 | __ j(not_equal, fail); |
| 3388 | __ j(parity_even, fail); // NaN. |
| 3389 | // Check if the key fits in the smi range. |
| 3390 | __ cmp(scratch, 0xc0000000); |
| 3391 | __ j(sign, fail); |
| 3392 | __ SmiTag(scratch); |
| 3393 | __ mov(key, scratch); |
| 3394 | __ bind(&key_ok); |
| 3395 | } else { |
| 3396 | __ JumpIfNotSmi(key, fail); |
| 3397 | } |
| 3398 | } |
| 3399 | |
| 3400 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3401 | void KeyedStoreStubCompiler::GenerateStoreExternalArray( |
| 3402 | MacroAssembler* masm, |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3403 | ElementsKind elements_kind) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3404 | // ----------- S t a t e ------------- |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3405 | // -- eax : value |
| 3406 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3407 | // -- edx : receiver |
| 3408 | // -- esp[0] : return address |
| 3409 | // ----------------------------------- |
| 3410 | Label miss_force_generic, slow, check_heap_number; |
| 3411 | |
| 3412 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3413 | // have been verified by the caller to not be a smi. |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3414 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3415 | // Check that the key is a smi or a heap number convertible to a smi. |
| 3416 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3417 | |
| 3418 | // Check that the index is in range. |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3419 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3420 | __ cmp(ecx, FieldOperand(edi, ExternalArray::kLengthOffset)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3421 | // Unsigned comparison catches both negative and too-large values. |
| 3422 | __ j(above_equal, &slow); |
| 3423 | |
| 3424 | // Handle both smis and HeapNumbers in the fast path. Go to the |
| 3425 | // runtime for all other kinds of values. |
| 3426 | // eax: value |
| 3427 | // edx: receiver |
| 3428 | // ecx: key |
| 3429 | // edi: elements array |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3430 | if (elements_kind == EXTERNAL_PIXEL_ELEMENTS) { |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 3431 | __ JumpIfNotSmi(eax, &slow); |
| 3432 | } else { |
| 3433 | __ JumpIfNotSmi(eax, &check_heap_number); |
| 3434 | } |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3435 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3436 | // smi case |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3437 | __ mov(ebx, eax); // Preserve the value in eax as the return value. |
| 3438 | __ SmiUntag(ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3439 | __ mov(edi, FieldOperand(edi, ExternalArray::kExternalPointerOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3440 | // edi: base pointer of external storage |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 3441 | switch (elements_kind) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3442 | case EXTERNAL_PIXEL_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3443 | __ ClampUint8(ebx); |
| 3444 | __ SmiUntag(ecx); |
| 3445 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3446 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3447 | case EXTERNAL_BYTE_ELEMENTS: |
| 3448 | case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3449 | __ SmiUntag(ecx); |
| 3450 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3451 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3452 | case EXTERNAL_SHORT_ELEMENTS: |
| 3453 | case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3454 | __ mov_w(Operand(edi, ecx, times_1, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3455 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3456 | case EXTERNAL_INT_ELEMENTS: |
| 3457 | case EXTERNAL_UNSIGNED_INT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3458 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3459 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3460 | case EXTERNAL_FLOAT_ELEMENTS: |
| 3461 | case EXTERNAL_DOUBLE_ELEMENTS: |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3462 | // Need to perform int-to-float conversion. |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3463 | __ push(ebx); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3464 | __ fild_s(Operand(esp, 0)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3465 | __ pop(ebx); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3466 | if (elements_kind == EXTERNAL_FLOAT_ELEMENTS) { |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3467 | __ fstp_s(Operand(edi, ecx, times_2, 0)); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3468 | } else { // elements_kind == EXTERNAL_DOUBLE_ELEMENTS. |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3469 | __ fstp_d(Operand(edi, ecx, times_4, 0)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3470 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3471 | break; |
| 3472 | default: |
| 3473 | UNREACHABLE(); |
| 3474 | break; |
| 3475 | } |
| 3476 | __ ret(0); // Return the original value. |
| 3477 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3478 | // TODO(danno): handle heap number -> pixel array conversion |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3479 | if (elements_kind != EXTERNAL_PIXEL_ELEMENTS) { |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3480 | __ bind(&check_heap_number); |
| 3481 | // eax: value |
| 3482 | // edx: receiver |
| 3483 | // ecx: key |
| 3484 | // edi: elements array |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3485 | __ cmp(FieldOperand(eax, HeapObject::kMapOffset), |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3486 | Immediate(masm->isolate()->factory()->heap_number_map())); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3487 | __ j(not_equal, &slow); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3488 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3489 | // The WebGL specification leaves the behavior of storing NaN and |
| 3490 | // +/-Infinity into integer arrays basically undefined. For more |
| 3491 | // reproducible behavior, convert these to zero. |
| 3492 | __ mov(edi, FieldOperand(edi, ExternalArray::kExternalPointerOffset)); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3493 | // edi: base pointer of external storage |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3494 | if (elements_kind == EXTERNAL_FLOAT_ELEMENTS) { |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3495 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3496 | __ fstp_s(Operand(edi, ecx, times_2, 0)); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3497 | __ ret(0); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3498 | } else if (elements_kind == EXTERNAL_DOUBLE_ELEMENTS) { |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3499 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3500 | __ fstp_d(Operand(edi, ecx, times_4, 0)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 3501 | __ ret(0); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3502 | } else { |
| 3503 | // Perform float-to-int conversion with truncation (round-to-zero) |
| 3504 | // behavior. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3505 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3506 | // For the moment we make the slow call to the runtime on |
| 3507 | // processors that don't support SSE2. The code in IntegerConvert |
| 3508 | // (code-stubs-ia32.cc) is roughly what is needed here though the |
| 3509 | // conversion failure case does not need to be handled. |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3510 | if (CpuFeatures::IsSupported(SSE2)) { |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3511 | if ((elements_kind == EXTERNAL_INT_ELEMENTS || |
| 3512 | elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS) && |
| 3513 | CpuFeatures::IsSupported(SSE3)) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3514 | CpuFeatureScope scope(masm, SSE3); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3515 | // fisttp stores values as signed integers. To represent the |
| 3516 | // entire range of int and unsigned int arrays, store as a |
| 3517 | // 64-bit int and discard the high 32 bits. |
| 3518 | __ fld_d(FieldOperand(eax, HeapNumber::kValueOffset)); |
| 3519 | __ sub(esp, Immediate(2 * kPointerSize)); |
| 3520 | __ fisttp_d(Operand(esp, 0)); |
| 3521 | |
| 3522 | // If conversion failed (NaN, infinity, or a number outside |
| 3523 | // signed int64 range), the result is 0x8000000000000000, and |
| 3524 | // we must handle this case in the runtime. |
| 3525 | Label ok; |
| 3526 | __ cmp(Operand(esp, kPointerSize), Immediate(0x80000000u)); |
| 3527 | __ j(not_equal, &ok); |
| 3528 | __ cmp(Operand(esp, 0), Immediate(0)); |
| 3529 | __ j(not_equal, &ok); |
| 3530 | __ add(esp, Immediate(2 * kPointerSize)); // Restore the stack. |
| 3531 | __ jmp(&slow); |
| 3532 | |
| 3533 | __ bind(&ok); |
| 3534 | __ pop(ebx); |
| 3535 | __ add(esp, Immediate(kPointerSize)); |
| 3536 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
| 3537 | } else { |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 3538 | ASSERT(CpuFeatures::IsSupported(SSE2)); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3539 | CpuFeatureScope scope(masm, SSE2); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3540 | __ cvttsd2si(ebx, FieldOperand(eax, HeapNumber::kValueOffset)); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3541 | __ cmp(ebx, 0x80000000u); |
| 3542 | __ j(equal, &slow); |
| 3543 | // ebx: untagged integer value |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 3544 | switch (elements_kind) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3545 | case EXTERNAL_PIXEL_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3546 | __ ClampUint8(ebx); |
| 3547 | // Fall through. |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3548 | case EXTERNAL_BYTE_ELEMENTS: |
| 3549 | case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3550 | __ SmiUntag(ecx); |
| 3551 | __ mov_b(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3552 | break; |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 3553 | case EXTERNAL_SHORT_ELEMENTS: |
| 3554 | case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 3555 | __ mov_w(Operand(edi, ecx, times_1, 0), ebx); |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3556 | break; |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 3557 | case EXTERNAL_INT_ELEMENTS: |
| 3558 | case EXTERNAL_UNSIGNED_INT_ELEMENTS: |
| 3559 | __ mov(Operand(edi, ecx, times_2, 0), ebx); |
| 3560 | break; |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3561 | default: |
| 3562 | UNREACHABLE(); |
| 3563 | break; |
| 3564 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3565 | } |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 3566 | __ ret(0); // Return original value. |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3567 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3568 | } |
| 3569 | } |
| 3570 | |
| 3571 | // Slow case: call runtime. |
| 3572 | __ bind(&slow); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3573 | Counters* counters = masm->isolate()->counters(); |
| 3574 | __ IncrementCounter(counters->keyed_store_external_array_slow(), 1); |
| 3575 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3576 | // ----------- S t a t e ------------- |
| 3577 | // -- eax : value |
| 3578 | // -- ecx : key |
| 3579 | // -- edx : receiver |
| 3580 | // -- esp[0] : return address |
| 3581 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3582 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3583 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3584 | // ----------- S t a t e ------------- |
| 3585 | // -- eax : value |
| 3586 | // -- ecx : key |
| 3587 | // -- edx : receiver |
| 3588 | // -- esp[0] : return address |
| 3589 | // ----------------------------------- |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3590 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3591 | __ bind(&miss_force_generic); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3592 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_MissForceGeneric); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3593 | } |
| 3594 | |
| 3595 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3596 | void KeyedStoreStubCompiler::GenerateStoreFastElement( |
| 3597 | MacroAssembler* masm, |
| 3598 | bool is_js_array, |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3599 | ElementsKind elements_kind, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3600 | KeyedAccessStoreMode store_mode) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3601 | // ----------- S t a t e ------------- |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3602 | // -- eax : value |
| 3603 | // -- ecx : key |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3604 | // -- edx : receiver |
| 3605 | // -- esp[0] : return address |
| 3606 | // ----------------------------------- |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3607 | Label miss_force_generic, grow, slow, transition_elements_kind; |
| 3608 | Label check_capacity, prepare_slow, finish_store, commit_backing_store; |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3609 | |
| 3610 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3611 | // have been verified by the caller to not be a smi. |
| 3612 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3613 | // Check that the key is a smi or a heap number convertible to a smi. |
| 3614 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3615 | |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 3616 | if (IsFastSmiElementsKind(elements_kind)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3617 | __ JumpIfNotSmi(eax, &transition_elements_kind); |
| 3618 | } |
| 3619 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3620 | // Get the elements array and make sure it is a fast element array, not 'cow'. |
| 3621 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3622 | if (is_js_array) { |
| 3623 | // Check that the key is within bounds. |
| 3624 | __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3625 | if (IsGrowStoreMode(store_mode)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3626 | __ j(above_equal, &grow); |
| 3627 | } else { |
| 3628 | __ j(above_equal, &miss_force_generic); |
| 3629 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3630 | } else { |
| 3631 | // Check that the key is within bounds. |
| 3632 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. |
| 3633 | __ j(above_equal, &miss_force_generic); |
| 3634 | } |
| 3635 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3636 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 3637 | Immediate(masm->isolate()->factory()->fixed_array_map())); |
| 3638 | __ j(not_equal, &miss_force_generic); |
| 3639 | |
| 3640 | __ bind(&finish_store); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 3641 | if (IsFastSmiElementsKind(elements_kind)) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3642 | // ecx is a smi, use times_half_pointer_size instead of |
| 3643 | // times_pointer_size |
| 3644 | __ mov(FieldOperand(edi, |
| 3645 | ecx, |
| 3646 | times_half_pointer_size, |
| 3647 | FixedArray::kHeaderSize), eax); |
| 3648 | } else { |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 3649 | ASSERT(IsFastObjectElementsKind(elements_kind)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3650 | // Do the store and update the write barrier. |
| 3651 | // ecx is a smi, use times_half_pointer_size instead of |
| 3652 | // times_pointer_size |
| 3653 | __ lea(ecx, FieldOperand(edi, |
| 3654 | ecx, |
| 3655 | times_half_pointer_size, |
| 3656 | FixedArray::kHeaderSize)); |
| 3657 | __ mov(Operand(ecx, 0), eax); |
| 3658 | // Make sure to preserve the value in register eax. |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3659 | __ mov(ebx, eax); |
| 3660 | __ RecordWrite(edi, ecx, ebx, kDontSaveFPRegs); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 3661 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3662 | |
| 3663 | // Done. |
| 3664 | __ ret(0); |
| 3665 | |
| 3666 | // Handle store cache miss, replacing the ic with the generic stub. |
| 3667 | __ bind(&miss_force_generic); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3668 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_MissForceGeneric); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 3669 | |
| 3670 | // Handle transition to other elements kinds without using the generic stub. |
| 3671 | __ bind(&transition_elements_kind); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3672 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Miss); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3673 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3674 | if (is_js_array && IsGrowStoreMode(store_mode)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3675 | // Handle transition requiring the array to grow. |
| 3676 | __ bind(&grow); |
| 3677 | |
| 3678 | // Make sure the array is only growing by a single element, anything else |
| 3679 | // must be handled by the runtime. Flags are already set by previous |
| 3680 | // compare. |
| 3681 | __ j(not_equal, &miss_force_generic); |
| 3682 | |
| 3683 | // Check for the empty array, and preallocate a small backing store if |
| 3684 | // possible. |
| 3685 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 3686 | __ cmp(edi, Immediate(masm->isolate()->factory()->empty_fixed_array())); |
| 3687 | __ j(not_equal, &check_capacity); |
| 3688 | |
| 3689 | int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3690 | __ Allocate(size, edi, ebx, ecx, &prepare_slow, TAG_OBJECT); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3691 | // Restore the key, which is known to be the array length. |
| 3692 | |
| 3693 | // eax: value |
| 3694 | // ecx: key |
| 3695 | // edx: receiver |
| 3696 | // edi: elements |
| 3697 | // Make sure that the backing store can hold additional elements. |
| 3698 | __ mov(FieldOperand(edi, JSObject::kMapOffset), |
| 3699 | Immediate(masm->isolate()->factory()->fixed_array_map())); |
| 3700 | __ mov(FieldOperand(edi, FixedArray::kLengthOffset), |
| 3701 | Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); |
| 3702 | __ mov(ebx, Immediate(masm->isolate()->factory()->the_hole_value())); |
| 3703 | for (int i = 1; i < JSArray::kPreallocatedArrayElements; ++i) { |
| 3704 | __ mov(FieldOperand(edi, FixedArray::SizeFor(i)), ebx); |
| 3705 | } |
| 3706 | |
| 3707 | // Store the element at index zero. |
| 3708 | __ mov(FieldOperand(edi, FixedArray::SizeFor(0)), eax); |
| 3709 | |
| 3710 | // Install the new backing store in the JSArray. |
| 3711 | __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); |
| 3712 | __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, |
| 3713 | kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
| 3714 | |
| 3715 | // Increment the length of the array. |
| 3716 | __ mov(FieldOperand(edx, JSArray::kLengthOffset), |
| 3717 | Immediate(Smi::FromInt(1))); |
| 3718 | __ ret(0); |
| 3719 | |
| 3720 | __ bind(&check_capacity); |
| 3721 | __ cmp(FieldOperand(edi, HeapObject::kMapOffset), |
| 3722 | Immediate(masm->isolate()->factory()->fixed_cow_array_map())); |
| 3723 | __ j(equal, &miss_force_generic); |
| 3724 | |
| 3725 | // eax: value |
| 3726 | // ecx: key |
| 3727 | // edx: receiver |
| 3728 | // edi: elements |
| 3729 | // Make sure that the backing store can hold additional elements. |
| 3730 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); |
| 3731 | __ j(above_equal, &slow); |
| 3732 | |
| 3733 | // Grow the array and finish the store. |
| 3734 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 3735 | Immediate(Smi::FromInt(1))); |
| 3736 | __ jmp(&finish_store); |
| 3737 | |
| 3738 | __ bind(&prepare_slow); |
| 3739 | // Restore the key, which is known to be the array length. |
| 3740 | __ mov(ecx, Immediate(0)); |
| 3741 | |
| 3742 | __ bind(&slow); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3743 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3744 | } |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 3745 | } |
| 3746 | |
| 3747 | |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3748 | void KeyedStoreStubCompiler::GenerateStoreFastDoubleElement( |
| 3749 | MacroAssembler* masm, |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3750 | bool is_js_array, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3751 | KeyedAccessStoreMode store_mode) { |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3752 | // ----------- S t a t e ------------- |
| 3753 | // -- eax : value |
| 3754 | // -- ecx : key |
| 3755 | // -- edx : receiver |
| 3756 | // -- esp[0] : return address |
| 3757 | // ----------------------------------- |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3758 | Label miss_force_generic, transition_elements_kind, grow, slow; |
| 3759 | Label check_capacity, prepare_slow, finish_store, commit_backing_store; |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3760 | |
| 3761 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3762 | // have been verified by the caller to not be a smi. |
| 3763 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3764 | // Check that the key is a smi or a heap number convertible to a smi. |
| 3765 | GenerateSmiKeyCheck(masm, ecx, ebx, xmm0, xmm1, &miss_force_generic); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3766 | |
| 3767 | // Get the elements array. |
| 3768 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 3769 | __ AssertFastElements(edi); |
| 3770 | |
| 3771 | if (is_js_array) { |
| 3772 | // Check that the key is within bounds. |
| 3773 | __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3774 | if (IsGrowStoreMode(store_mode)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3775 | __ j(above_equal, &grow); |
| 3776 | } else { |
| 3777 | __ j(above_equal, &miss_force_generic); |
| 3778 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3779 | } else { |
| 3780 | // Check that the key is within bounds. |
| 3781 | __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 3782 | __ j(above_equal, &miss_force_generic); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3783 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3784 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3785 | __ bind(&finish_store); |
| 3786 | __ StoreNumberToDoubleElements(eax, edi, ecx, edx, xmm0, |
| 3787 | &transition_elements_kind, true); |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3788 | __ ret(0); |
| 3789 | |
| 3790 | // Handle store cache miss, replacing the ic with the generic stub. |
| 3791 | __ bind(&miss_force_generic); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3792 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_MissForceGeneric); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 3793 | |
| 3794 | // Handle transition to other elements kinds without using the generic stub. |
| 3795 | __ bind(&transition_elements_kind); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3796 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Miss); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3797 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3798 | if (is_js_array && IsGrowStoreMode(store_mode)) { |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3799 | // Handle transition requiring the array to grow. |
| 3800 | __ bind(&grow); |
| 3801 | |
| 3802 | // Make sure the array is only growing by a single element, anything else |
| 3803 | // must be handled by the runtime. Flags are already set by previous |
| 3804 | // compare. |
| 3805 | __ j(not_equal, &miss_force_generic); |
| 3806 | |
| 3807 | // Transition on values that can't be stored in a FixedDoubleArray. |
| 3808 | Label value_is_smi; |
| 3809 | __ JumpIfSmi(eax, &value_is_smi); |
| 3810 | __ cmp(FieldOperand(eax, HeapObject::kMapOffset), |
| 3811 | Immediate(Handle<Map>(masm->isolate()->heap()->heap_number_map()))); |
| 3812 | __ j(not_equal, &transition_elements_kind); |
| 3813 | __ bind(&value_is_smi); |
| 3814 | |
| 3815 | // Check for the empty array, and preallocate a small backing store if |
| 3816 | // possible. |
| 3817 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
| 3818 | __ cmp(edi, Immediate(masm->isolate()->factory()->empty_fixed_array())); |
| 3819 | __ j(not_equal, &check_capacity); |
| 3820 | |
| 3821 | int size = FixedDoubleArray::SizeFor(JSArray::kPreallocatedArrayElements); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3822 | __ Allocate(size, edi, ebx, ecx, &prepare_slow, TAG_OBJECT); |
erik.corry@gmail.com | ed49e96 | 2012-04-17 11:57:53 +0000 | [diff] [blame] | 3823 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3824 | // Restore the key, which is known to be the array length. |
| 3825 | __ mov(ecx, Immediate(0)); |
| 3826 | |
| 3827 | // eax: value |
| 3828 | // ecx: key |
| 3829 | // edx: receiver |
| 3830 | // edi: elements |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 3831 | // Initialize the new FixedDoubleArray. |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3832 | __ mov(FieldOperand(edi, JSObject::kMapOffset), |
| 3833 | Immediate(masm->isolate()->factory()->fixed_double_array_map())); |
| 3834 | __ mov(FieldOperand(edi, FixedDoubleArray::kLengthOffset), |
| 3835 | Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); |
| 3836 | |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 3837 | __ StoreNumberToDoubleElements(eax, edi, ecx, ebx, xmm0, |
| 3838 | &transition_elements_kind, true); |
| 3839 | |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 3840 | for (int i = 1; i < JSArray::kPreallocatedArrayElements; i++) { |
| 3841 | int offset = FixedDoubleArray::OffsetOfElementAt(i); |
| 3842 | __ mov(FieldOperand(edi, offset), Immediate(kHoleNanLower32)); |
| 3843 | __ mov(FieldOperand(edi, offset + kPointerSize), |
| 3844 | Immediate(kHoleNanUpper32)); |
| 3845 | } |
| 3846 | |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3847 | // Install the new backing store in the JSArray. |
| 3848 | __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); |
| 3849 | __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, |
| 3850 | kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
| 3851 | |
| 3852 | // Increment the length of the array. |
| 3853 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 3854 | Immediate(Smi::FromInt(1))); |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 3855 | __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 3856 | __ ret(0); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3857 | |
| 3858 | __ bind(&check_capacity); |
| 3859 | // eax: value |
| 3860 | // ecx: key |
| 3861 | // edx: receiver |
| 3862 | // edi: elements |
| 3863 | // Make sure that the backing store can hold additional elements. |
| 3864 | __ cmp(ecx, FieldOperand(edi, FixedDoubleArray::kLengthOffset)); |
| 3865 | __ j(above_equal, &slow); |
| 3866 | |
| 3867 | // Grow the array and finish the store. |
| 3868 | __ add(FieldOperand(edx, JSArray::kLengthOffset), |
| 3869 | Immediate(Smi::FromInt(1))); |
| 3870 | __ jmp(&finish_store); |
| 3871 | |
| 3872 | __ bind(&prepare_slow); |
| 3873 | // Restore the key, which is known to be the array length. |
| 3874 | __ mov(ecx, Immediate(0)); |
| 3875 | |
| 3876 | __ bind(&slow); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3877 | TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 3878 | } |
svenpanne@chromium.org | 84bcc55 | 2011-07-18 09:50:57 +0000 | [diff] [blame] | 3879 | } |
| 3880 | |
| 3881 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 3882 | #undef __ |
| 3883 | |
| 3884 | } } // namespace v8::internal |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 3885 | |
| 3886 | #endif // V8_TARGET_ARCH_IA32 |