erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
ager@chromium.org | 5ec4892 | 2009-05-05 07:25:34 +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 | |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 28 | #include "v8.h" |
| 29 | |
jkummerow@chromium.org | 93a47f4 | 2013-07-02 14:43:41 +0000 | [diff] [blame] | 30 | #if V8_TARGET_ARCH_X64 |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 31 | |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 32 | #include "arguments.h" |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 33 | #include "ic-inl.h" |
karlklose@chromium.org | 44bc708 | 2011-04-11 12:33:05 +0000 | [diff] [blame] | 34 | #include "codegen.h" |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 35 | #include "stub-cache.h" |
| 36 | |
| 37 | namespace v8 { |
| 38 | namespace internal { |
| 39 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 40 | #define __ ACCESS_MASM(masm) |
| 41 | |
| 42 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 43 | static void ProbeTable(Isolate* isolate, |
| 44 | MacroAssembler* masm, |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 45 | Code::Flags flags, |
| 46 | StubCache::Table table, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 47 | Register receiver, |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 48 | Register name, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 49 | // The offset is scaled by 4, based on |
| 50 | // kHeapObjectTagSize, which is two bits |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 51 | Register offset) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 52 | // We need to scale up the pointer by 2 because the offset is scaled by less |
| 53 | // than the pointer size. |
| 54 | ASSERT(kPointerSizeLog2 == kHeapObjectTagSize + 1); |
| 55 | ScaleFactor scale_factor = times_2; |
| 56 | |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 57 | ASSERT_EQ(3 * kPointerSize, sizeof(StubCache::Entry)); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 58 | // The offset register holds the entry offset times four (due to masking |
| 59 | // and shifting optimizations). |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 60 | ExternalReference key_offset(isolate->stub_cache()->key_reference(table)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 61 | ExternalReference value_offset(isolate->stub_cache()->value_reference(table)); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 62 | Label miss; |
| 63 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 64 | // Multiply by 3 because there are 3 fields per entry (name, code, map). |
| 65 | __ lea(offset, Operand(offset, offset, times_2, 0)); |
| 66 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 67 | __ LoadAddress(kScratchRegister, key_offset); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 68 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 69 | // Check that the key in the entry matches the name. |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 70 | // Multiply entry offset by 16 to get the entry address. Since the |
| 71 | // offset register already holds the entry offset times four, multiply |
| 72 | // by a further four. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 73 | __ cmpl(name, Operand(kScratchRegister, offset, scale_factor, 0)); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 74 | __ j(not_equal, &miss); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 75 | |
| 76 | // Get the map entry from the cache. |
| 77 | // Use key_offset + kPointerSize * 2, rather than loading map_offset. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 78 | __ movq(kScratchRegister, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 79 | Operand(kScratchRegister, offset, scale_factor, kPointerSize * 2)); |
| 80 | __ cmpq(kScratchRegister, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 81 | __ j(not_equal, &miss); |
| 82 | |
| 83 | // Get the code entry from the cache. |
| 84 | __ LoadAddress(kScratchRegister, value_offset); |
| 85 | __ movq(kScratchRegister, |
| 86 | Operand(kScratchRegister, offset, scale_factor, 0)); |
| 87 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 88 | // Check that the flags match what we're looking for. |
| 89 | __ movl(offset, FieldOperand(kScratchRegister, Code::kFlagsOffset)); |
| 90 | __ and_(offset, Immediate(~Code::kFlagsNotUsedInLookup)); |
| 91 | __ cmpl(offset, Immediate(flags)); |
| 92 | __ j(not_equal, &miss); |
| 93 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 94 | #ifdef DEBUG |
| 95 | if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) { |
| 96 | __ jmp(&miss); |
| 97 | } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) { |
| 98 | __ jmp(&miss); |
| 99 | } |
| 100 | #endif |
| 101 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 102 | // Jump to the first instruction in the code stub. |
| 103 | __ addq(kScratchRegister, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 104 | __ jmp(kScratchRegister); |
| 105 | |
| 106 | __ bind(&miss); |
| 107 | } |
| 108 | |
| 109 | |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 110 | // Helper function used to check that the dictionary doesn't contain |
| 111 | // the property. This function may return false negatives, so miss_label |
| 112 | // must always call a backup property check that is complete. |
| 113 | // 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] | 114 | // 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] | 115 | static void GenerateDictionaryNegativeLookup(MacroAssembler* masm, |
| 116 | Label* miss_label, |
| 117 | Register receiver, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 118 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 119 | Register r0, |
| 120 | Register r1) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 121 | ASSERT(name->IsUniqueName()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 122 | Counters* counters = masm->isolate()->counters(); |
| 123 | __ IncrementCounter(counters->negative_lookups(), 1); |
| 124 | __ IncrementCounter(counters->negative_lookups_miss(), 1); |
| 125 | |
| 126 | __ movq(r0, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 127 | |
| 128 | const int kInterceptorOrAccessCheckNeededMask = |
| 129 | (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded); |
| 130 | |
| 131 | // Bail out if the receiver has a named interceptor or requires access checks. |
| 132 | __ testb(FieldOperand(r0, Map::kBitFieldOffset), |
| 133 | Immediate(kInterceptorOrAccessCheckNeededMask)); |
| 134 | __ j(not_zero, miss_label); |
| 135 | |
| 136 | // Check that receiver is a JSObject. |
| 137 | __ CmpInstanceType(r0, FIRST_SPEC_OBJECT_TYPE); |
| 138 | __ j(below, miss_label); |
| 139 | |
| 140 | // Load properties array. |
| 141 | Register properties = r0; |
| 142 | __ movq(properties, FieldOperand(receiver, JSObject::kPropertiesOffset)); |
| 143 | |
| 144 | // Check that the properties array is a dictionary. |
| 145 | __ CompareRoot(FieldOperand(properties, HeapObject::kMapOffset), |
| 146 | Heap::kHashTableMapRootIndex); |
| 147 | __ j(not_equal, miss_label); |
| 148 | |
| 149 | Label done; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 150 | NameDictionaryLookupStub::GenerateNegativeLookup(masm, |
| 151 | miss_label, |
| 152 | &done, |
| 153 | properties, |
| 154 | name, |
| 155 | r1); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 156 | __ bind(&done); |
| 157 | __ DecrementCounter(counters->negative_lookups_miss(), 1); |
| 158 | } |
| 159 | |
| 160 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 161 | void StubCache::GenerateProbe(MacroAssembler* masm, |
| 162 | Code::Flags flags, |
| 163 | Register receiver, |
| 164 | Register name, |
| 165 | Register scratch, |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 166 | Register extra, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 167 | Register extra2, |
| 168 | Register extra3) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 169 | Isolate* isolate = masm->isolate(); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 170 | Label miss; |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 171 | USE(extra); // The register extra is not used on the X64 platform. |
| 172 | USE(extra2); // The register extra2 is not used on the X64 platform. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 173 | USE(extra3); // The register extra2 is not used on the X64 platform. |
| 174 | // Make sure that code is valid. The multiplying code relies on the |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 175 | // entry size being 3 * kPointerSize. |
| 176 | ASSERT(sizeof(Entry) == 3 * kPointerSize); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 177 | |
| 178 | // Make sure the flags do not name a specific type. |
| 179 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 180 | |
| 181 | // Make sure that there are no register conflicts. |
| 182 | ASSERT(!scratch.is(receiver)); |
| 183 | ASSERT(!scratch.is(name)); |
| 184 | |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 185 | // Check scratch register is valid, extra and extra2 are unused. |
| 186 | ASSERT(!scratch.is(no_reg)); |
| 187 | ASSERT(extra2.is(no_reg)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 188 | ASSERT(extra3.is(no_reg)); |
| 189 | |
| 190 | Counters* counters = masm->isolate()->counters(); |
| 191 | __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1); |
fschneider@chromium.org | e03fb64 | 2010-11-01 12:34:09 +0000 | [diff] [blame] | 192 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 193 | // Check that the receiver isn't a smi. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 194 | __ JumpIfSmi(receiver, &miss); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 195 | |
| 196 | // Get the map of the receiver and compute the hash. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 197 | __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset)); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 198 | // Use only the low 32 bits of the map pointer. |
| 199 | __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 200 | __ xor_(scratch, Immediate(flags)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 201 | // We mask out the last two bits because they are not part of the hash and |
| 202 | // they are always 01 for maps. Also in the two 'and' instructions below. |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 203 | __ and_(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize)); |
| 204 | |
| 205 | // Probe the primary table. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 206 | ProbeTable(isolate, masm, flags, kPrimary, receiver, name, scratch); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 207 | |
| 208 | // Primary miss: Compute hash for secondary probe. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 209 | __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset)); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 210 | __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 211 | __ xor_(scratch, Immediate(flags)); |
| 212 | __ and_(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize)); |
| 213 | __ subl(scratch, name); |
| 214 | __ addl(scratch, Immediate(flags)); |
| 215 | __ and_(scratch, Immediate((kSecondaryTableSize - 1) << kHeapObjectTagSize)); |
| 216 | |
| 217 | // Probe the secondary table. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 218 | ProbeTable(isolate, masm, flags, kSecondary, receiver, name, scratch); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 219 | |
| 220 | // Cache miss: Fall-through and let caller handle the miss by |
| 221 | // entering the runtime system. |
| 222 | __ bind(&miss); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 223 | __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 227 | void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
| 228 | int index, |
| 229 | Register prototype) { |
| 230 | // Load the global or builtins object from the current context. |
| 231 | __ movq(prototype, |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 232 | Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| 233 | // Load the native context from the global or builtins object. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 234 | __ movq(prototype, |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 235 | FieldOperand(prototype, GlobalObject::kNativeContextOffset)); |
| 236 | // Load the function from the native context. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 237 | __ movq(prototype, Operand(prototype, Context::SlotOffset(index))); |
| 238 | // Load the initial map. The global functions all have initial maps. |
| 239 | __ movq(prototype, |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 240 | FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 241 | // Load the prototype from the initial map. |
| 242 | __ movq(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
| 243 | } |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 244 | |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 245 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 246 | void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 247 | MacroAssembler* masm, |
| 248 | int index, |
| 249 | Register prototype, |
| 250 | Label* miss) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 251 | Isolate* isolate = masm->isolate(); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 252 | // Check we're still in the same context. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 253 | __ Move(prototype, isolate->global_object()); |
| 254 | __ cmpq(Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)), |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 255 | prototype); |
| 256 | __ j(not_equal, miss); |
| 257 | // Get the global function with the given index. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 258 | Handle<JSFunction> function( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 259 | JSFunction::cast(isolate->native_context()->get(index))); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 260 | // Load its initial map. The global functions all have initial maps. |
| 261 | __ Move(prototype, Handle<Map>(function->initial_map())); |
| 262 | // Load the prototype from the initial map. |
| 263 | __ movq(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 264 | } |
| 265 | |
| 266 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 267 | void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, |
| 268 | Register receiver, |
| 269 | Register scratch, |
| 270 | Label* miss_label) { |
| 271 | // Check that the receiver isn't a smi. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 272 | __ JumpIfSmi(receiver, miss_label); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 273 | |
| 274 | // Check that the object is a JS array. |
| 275 | __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch); |
| 276 | __ j(not_equal, miss_label); |
| 277 | |
| 278 | // Load length directly from the JS array. |
| 279 | __ movq(rax, FieldOperand(receiver, JSArray::kLengthOffset)); |
| 280 | __ ret(0); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | // Generate code to check if an object is a string. If the object is |
| 285 | // a string, the map's instance type is left in the scratch register. |
| 286 | static void GenerateStringCheck(MacroAssembler* masm, |
| 287 | Register receiver, |
| 288 | Register scratch, |
| 289 | Label* smi, |
| 290 | Label* non_string_object) { |
| 291 | // Check that the object isn't a smi. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 292 | __ JumpIfSmi(receiver, smi); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 293 | |
| 294 | // Check that the object is a string. |
| 295 | __ movq(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
| 296 | __ movzxbq(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
yangguo@chromium.org | 80c42ed | 2011-08-31 09:03:56 +0000 | [diff] [blame] | 297 | STATIC_ASSERT(kNotStringTag != 0); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 298 | __ testl(scratch, Immediate(kNotStringTag)); |
| 299 | __ j(not_zero, non_string_object); |
| 300 | } |
| 301 | |
| 302 | |
| 303 | void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
| 304 | Register receiver, |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 305 | Register scratch1, |
| 306 | Register scratch2, |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 307 | Label* miss) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 308 | Label check_wrapper; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 309 | |
| 310 | // Check if the object is a string leaving the instance type in the |
| 311 | // scratch register. |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 312 | GenerateStringCheck(masm, receiver, scratch1, miss, &check_wrapper); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 313 | |
| 314 | // Load length directly from the string. |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 315 | __ movq(rax, FieldOperand(receiver, String::kLengthOffset)); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 316 | __ ret(0); |
| 317 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 318 | // Check if the object is a JSValue wrapper. |
| 319 | __ bind(&check_wrapper); |
| 320 | __ cmpl(scratch1, Immediate(JS_VALUE_TYPE)); |
| 321 | __ j(not_equal, miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 322 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 323 | // Check if the wrapped value is a string and load the length |
| 324 | // directly if it is. |
| 325 | __ movq(scratch2, FieldOperand(receiver, JSValue::kValueOffset)); |
| 326 | GenerateStringCheck(masm, scratch2, scratch1, miss, miss); |
| 327 | __ movq(rax, FieldOperand(scratch2, String::kLengthOffset)); |
| 328 | __ ret(0); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 332 | void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, |
| 333 | Register receiver, |
| 334 | Register result, |
| 335 | Register scratch, |
| 336 | Label* miss_label) { |
| 337 | __ TryGetFunctionPrototype(receiver, result, miss_label); |
| 338 | if (!result.is(rax)) __ movq(rax, result); |
| 339 | __ ret(0); |
| 340 | } |
| 341 | |
| 342 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 343 | void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
| 344 | Register dst, |
| 345 | Register src, |
| 346 | bool inobject, |
| 347 | int index, |
| 348 | Representation representation) { |
| 349 | ASSERT(!FLAG_track_double_fields || !representation.IsDouble()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 350 | int offset = index * kPointerSize; |
| 351 | if (!inobject) { |
| 352 | // Calculate the offset into the properties array. |
| 353 | offset = offset + FixedArray::kHeaderSize; |
| 354 | __ movq(dst, FieldOperand(src, JSObject::kPropertiesOffset)); |
| 355 | src = dst; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 356 | } |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 357 | __ movq(dst, FieldOperand(src, offset)); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | |
| 361 | static void PushInterceptorArguments(MacroAssembler* masm, |
| 362 | Register receiver, |
| 363 | Register holder, |
| 364 | Register name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 365 | Handle<JSObject> holder_obj) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 366 | STATIC_ASSERT(StubCache::kInterceptorArgsNameIndex == 0); |
| 367 | STATIC_ASSERT(StubCache::kInterceptorArgsInfoIndex == 1); |
| 368 | STATIC_ASSERT(StubCache::kInterceptorArgsThisIndex == 2); |
| 369 | STATIC_ASSERT(StubCache::kInterceptorArgsHolderIndex == 3); |
| 370 | STATIC_ASSERT(StubCache::kInterceptorArgsLength == 4); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 371 | __ push(name); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 372 | Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor()); |
| 373 | ASSERT(!masm->isolate()->heap()->InNewSpace(*interceptor)); |
| 374 | __ Move(kScratchRegister, interceptor); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 375 | __ push(kScratchRegister); |
| 376 | __ push(receiver); |
| 377 | __ push(holder); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 381 | static void CompileCallLoadPropertyWithInterceptor( |
| 382 | MacroAssembler* masm, |
| 383 | Register receiver, |
| 384 | Register holder, |
| 385 | Register name, |
| 386 | Handle<JSObject> holder_obj) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 387 | PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
| 388 | |
| 389 | ExternalReference ref = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 390 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly), |
| 391 | masm->isolate()); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 392 | __ Set(rax, StubCache::kInterceptorArgsLength); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 393 | __ LoadAddress(rbx, ref); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 394 | |
ager@chromium.org | a1645e2 | 2009-09-09 19:27:10 +0000 | [diff] [blame] | 395 | CEntryStub stub(1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 396 | __ CallStub(&stub); |
| 397 | } |
| 398 | |
| 399 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 400 | // 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] | 401 | static const int kFastApiCallArguments = FunctionCallbackArguments::kArgsLength; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 402 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 403 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 404 | // Reserves space for the extra arguments to API function in the |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 405 | // caller's frame. |
| 406 | // |
| 407 | // These arguments are set by CheckPrototypes and GenerateFastApiCall. |
| 408 | static void ReserveSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 409 | // ----------- S t a t e ------------- |
| 410 | // -- rsp[0] : return address |
| 411 | // -- rsp[8] : last argument in the internal frame of the caller |
| 412 | // ----------------------------------- |
danno@chromium.org | d3c4210 | 2013-08-01 16:58:23 +0000 | [diff] [blame] | 413 | __ movq(scratch, StackOperandForReturnAddress(0)); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 414 | __ subq(rsp, Immediate(kFastApiCallArguments * kPointerSize)); |
danno@chromium.org | d3c4210 | 2013-08-01 16:58:23 +0000 | [diff] [blame] | 415 | __ movq(StackOperandForReturnAddress(0), scratch); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 416 | __ Move(scratch, Smi::FromInt(0)); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 417 | StackArgumentsAccessor args(rsp, kFastApiCallArguments, |
| 418 | ARGUMENTS_DONT_CONTAIN_RECEIVER); |
| 419 | for (int i = 0; i < kFastApiCallArguments; i++) { |
| 420 | __ movq(args.GetArgumentOperand(i), scratch); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 421 | } |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | |
| 425 | // Undoes the effects of ReserveSpaceForFastApiCall. |
| 426 | static void FreeSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
| 427 | // ----------- S t a t e ------------- |
machenbach@chromium.org | c1789ee | 2013-07-05 07:09:57 +0000 | [diff] [blame] | 428 | // -- rsp[0] : return address. |
| 429 | // -- rsp[8] : last fast api call extra argument. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 430 | // -- ... |
machenbach@chromium.org | c1789ee | 2013-07-05 07:09:57 +0000 | [diff] [blame] | 431 | // -- rsp[kFastApiCallArguments * 8] : first fast api call extra |
| 432 | // argument. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 433 | // -- rsp[kFastApiCallArguments * 8 + 8] : last argument in the internal |
| 434 | // frame. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 435 | // ----------------------------------- |
danno@chromium.org | d3c4210 | 2013-08-01 16:58:23 +0000 | [diff] [blame] | 436 | __ movq(scratch, StackOperandForReturnAddress(0)); |
| 437 | __ movq(StackOperandForReturnAddress(kFastApiCallArguments * kPointerSize), |
| 438 | scratch); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 439 | __ addq(rsp, Immediate(kPointerSize * kFastApiCallArguments)); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 440 | } |
| 441 | |
| 442 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 443 | // Generates call to API function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 444 | static void GenerateFastApiCall(MacroAssembler* masm, |
| 445 | const CallOptimization& optimization, |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 446 | int argc, |
| 447 | bool restore_context) { |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 448 | // ----------- S t a t e ------------- |
| 449 | // -- rsp[0] : return address |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 450 | // -- rsp[8] - rsp[56] : FunctionCallbackInfo, incl. |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 451 | // : object passing the type check |
| 452 | // (set by CheckPrototypes) |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 453 | // -- rsp[64] : last argument |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 454 | // -- ... |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 455 | // -- rsp[(argc + 7) * 8] : first argument |
| 456 | // -- rsp[(argc + 8) * 8] : receiver |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 457 | // ----------------------------------- |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 458 | typedef FunctionCallbackArguments FCA; |
| 459 | StackArgumentsAccessor args(rsp, argc + kFastApiCallArguments); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 460 | |
| 461 | // Save calling context. |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 462 | int offset = argc + kFastApiCallArguments; |
| 463 | __ movq(args.GetArgumentOperand(offset - FCA::kContextSaveIndex), rsi); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 464 | |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 465 | // Get the function and setup the context. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 466 | Handle<JSFunction> function = optimization.constant_function(); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 467 | __ LoadHeapObject(rdi, function); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 468 | __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 469 | // Construct the FunctionCallbackInfo on the stack. |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 470 | __ movq(args.GetArgumentOperand(offset - FCA::kCalleeIndex), rdi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 471 | Handle<CallHandlerInfo> api_call_info = optimization.api_call_info(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 472 | Handle<Object> call_data(api_call_info->data(), masm->isolate()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 473 | if (masm->isolate()->heap()->InNewSpace(*call_data)) { |
| 474 | __ Move(rcx, api_call_info); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 475 | __ movq(rbx, FieldOperand(rcx, CallHandlerInfo::kDataOffset)); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 476 | __ movq(args.GetArgumentOperand(offset - FCA::kDataIndex), rbx); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 477 | } else { |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 478 | __ Move(args.GetArgumentOperand(offset - FCA::kDataIndex), call_data); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 479 | } |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 480 | __ movq(kScratchRegister, |
| 481 | ExternalReference::isolate_address(masm->isolate())); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 482 | __ movq(args.GetArgumentOperand(offset - FCA::kIsolateIndex), |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 483 | kScratchRegister); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 484 | __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 485 | __ movq(args.GetArgumentOperand(offset - FCA::kReturnValueDefaultValueIndex), |
| 486 | kScratchRegister); |
| 487 | __ movq(args.GetArgumentOperand(offset - FCA::kReturnValueOffset), |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 488 | kScratchRegister); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 489 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 490 | // Prepare arguments. |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 491 | STATIC_ASSERT(kFastApiCallArguments == 7); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 492 | __ lea(rbx, Operand(rsp, 1 * kPointerSize)); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 493 | |
| 494 | // Function address is a foreign pointer outside V8's heap. |
| 495 | Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 496 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 497 | // Allocate the v8::Arguments structure in the arguments' space since |
| 498 | // it's not controlled by GC. |
| 499 | const int kApiStackSpace = 4; |
| 500 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 501 | __ PrepareCallApiFunction(kApiStackSpace); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 502 | |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 503 | __ movq(StackSpaceOperand(0), rbx); // FunctionCallbackInfo::implicit_args_. |
| 504 | __ addq(rbx, Immediate((argc + kFastApiCallArguments - 1) * kPointerSize)); |
| 505 | __ movq(StackSpaceOperand(1), rbx); // FunctionCallbackInfo::values_. |
| 506 | __ Set(StackSpaceOperand(2), argc); // FunctionCallbackInfo::length_. |
| 507 | // FunctionCallbackInfo::is_construct_call_. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 508 | __ Set(StackSpaceOperand(3), 0); |
| 509 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 510 | #if defined(__MINGW64__) || defined(_WIN64) |
| 511 | Register arguments_arg = rcx; |
| 512 | Register callback_arg = rdx; |
| 513 | #else |
| 514 | Register arguments_arg = rdi; |
| 515 | Register callback_arg = rsi; |
| 516 | #endif |
| 517 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 518 | // v8::InvocationCallback's argument. |
| 519 | __ lea(arguments_arg, StackSpaceOperand(0)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 520 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 521 | Address thunk_address = FUNCTION_ADDR(&InvokeFunctionCallback); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 522 | |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 523 | StackArgumentsAccessor args_from_rbp(rbp, kFastApiCallArguments, |
| 524 | ARGUMENTS_DONT_CONTAIN_RECEIVER); |
| 525 | Operand context_restore_operand = args_from_rbp.GetArgumentOperand( |
| 526 | kFastApiCallArguments - 1 - FCA::kContextSaveIndex); |
| 527 | Operand return_value_operand = args_from_rbp.GetArgumentOperand( |
| 528 | kFastApiCallArguments - 1 - FCA::kReturnValueOffset); |
machenbach@chromium.org | cfdf67d | 2013-09-27 07:27:26 +0000 | [diff] [blame] | 529 | __ CallApiFunctionAndReturn( |
| 530 | function_address, |
| 531 | thunk_address, |
| 532 | callback_arg, |
| 533 | argc + kFastApiCallArguments + 1, |
| 534 | return_value_operand, |
| 535 | restore_context ? &context_restore_operand : NULL); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 536 | } |
| 537 | |
| 538 | |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 539 | // Generate call to api function. |
| 540 | static void GenerateFastApiCall(MacroAssembler* masm, |
| 541 | const CallOptimization& optimization, |
| 542 | Register receiver, |
| 543 | Register scratch, |
| 544 | int argc, |
| 545 | Register* values) { |
| 546 | ASSERT(optimization.is_simple_api_call()); |
| 547 | ASSERT(!receiver.is(scratch)); |
| 548 | |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 549 | const int fast_api_call_argc = argc + kFastApiCallArguments; |
| 550 | StackArgumentsAccessor args(rsp, fast_api_call_argc); |
| 551 | // argc + 1 is the argument number before FastApiCall arguments, 1 ~ receiver |
| 552 | const int kHolderIndex = argc + 1 + |
| 553 | kFastApiCallArguments - 1 - FunctionCallbackArguments::kHolderIndex; |
| 554 | __ movq(scratch, StackOperandForReturnAddress(0)); |
| 555 | // Assign stack space for the call arguments and receiver. |
| 556 | __ subq(rsp, Immediate((fast_api_call_argc + 1) * kPointerSize)); |
| 557 | __ movq(StackOperandForReturnAddress(0), scratch); |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 558 | // Write holder to stack frame. |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 559 | __ movq(args.GetArgumentOperand(kHolderIndex), receiver); |
| 560 | __ movq(args.GetReceiverOperand(), receiver); |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 561 | // Write the arguments to stack frame. |
| 562 | for (int i = 0; i < argc; i++) { |
| 563 | ASSERT(!receiver.is(values[i])); |
| 564 | ASSERT(!scratch.is(values[i])); |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 565 | __ movq(args.GetArgumentOperand(i + 1), values[i]); |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 566 | } |
| 567 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 568 | GenerateFastApiCall(masm, optimization, argc, true); |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 572 | class CallInterceptorCompiler BASE_EMBEDDED { |
| 573 | public: |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 574 | CallInterceptorCompiler(StubCompiler* stub_compiler, |
| 575 | const ParameterCount& arguments, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 576 | Register name, |
| 577 | Code::ExtraICState extra_ic_state) |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 578 | : stub_compiler_(stub_compiler), |
| 579 | arguments_(arguments), |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 580 | name_(name), |
| 581 | extra_ic_state_(extra_ic_state) {} |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 582 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 583 | void Compile(MacroAssembler* masm, |
| 584 | Handle<JSObject> object, |
| 585 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 586 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 587 | LookupResult* lookup, |
| 588 | Register receiver, |
| 589 | Register scratch1, |
| 590 | Register scratch2, |
| 591 | Register scratch3, |
| 592 | Label* miss) { |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 593 | ASSERT(holder->HasNamedInterceptor()); |
| 594 | ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 595 | |
| 596 | // Check that the receiver isn't a smi. |
| 597 | __ JumpIfSmi(receiver, miss); |
| 598 | |
| 599 | CallOptimization optimization(lookup); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 600 | if (optimization.is_constant_call()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 601 | CompileCacheable(masm, object, receiver, scratch1, scratch2, scratch3, |
| 602 | holder, lookup, name, optimization, miss); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 603 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 604 | CompileRegular(masm, object, receiver, scratch1, scratch2, scratch3, |
| 605 | name, holder, miss); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 606 | } |
| 607 | } |
| 608 | |
| 609 | private: |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 610 | void CompileCacheable(MacroAssembler* masm, |
| 611 | Handle<JSObject> object, |
| 612 | Register receiver, |
| 613 | Register scratch1, |
| 614 | Register scratch2, |
| 615 | Register scratch3, |
| 616 | Handle<JSObject> interceptor_holder, |
| 617 | LookupResult* lookup, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 618 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 619 | const CallOptimization& optimization, |
| 620 | Label* miss_label) { |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 621 | ASSERT(optimization.is_constant_call()); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 622 | ASSERT(!lookup->holder()->IsGlobalObject()); |
| 623 | |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 624 | int depth1 = kInvalidProtoDepth; |
| 625 | int depth2 = kInvalidProtoDepth; |
| 626 | bool can_do_fast_api_call = false; |
| 627 | if (optimization.is_simple_api_call() && |
| 628 | !lookup->holder()->IsGlobalObject()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 629 | depth1 = optimization.GetPrototypeDepthOfExpectedType( |
| 630 | object, interceptor_holder); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 631 | if (depth1 == kInvalidProtoDepth) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 632 | depth2 = optimization.GetPrototypeDepthOfExpectedType( |
| 633 | interceptor_holder, Handle<JSObject>(lookup->holder())); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 634 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 635 | can_do_fast_api_call = |
| 636 | depth1 != kInvalidProtoDepth || depth2 != kInvalidProtoDepth; |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 637 | } |
| 638 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 639 | Counters* counters = masm->isolate()->counters(); |
| 640 | __ IncrementCounter(counters->call_const_interceptor(), 1); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 641 | |
| 642 | if (can_do_fast_api_call) { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 643 | __ IncrementCounter(counters->call_const_interceptor_fast_api(), 1); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 644 | ReserveSpaceForFastApiCall(masm, scratch1); |
| 645 | } |
| 646 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 647 | // Check that the maps from receiver to interceptor's holder |
| 648 | // haven't changed and thus we can invoke interceptor. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 649 | Label miss_cleanup; |
| 650 | Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label; |
| 651 | Register holder = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 652 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
| 653 | scratch1, scratch2, scratch3, |
| 654 | name, depth1, miss); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 655 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 656 | // Invoke an interceptor and if it provides a value, |
| 657 | // branch to |regular_invoke|. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 658 | Label regular_invoke; |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 659 | LoadWithInterceptor(masm, receiver, holder, interceptor_holder, |
| 660 | ®ular_invoke); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 661 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 662 | // Interceptor returned nothing for this property. Try to use cached |
| 663 | // constant function. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 664 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 665 | // Check that the maps from interceptor's holder to constant function's |
| 666 | // 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] | 667 | if (*interceptor_holder != lookup->holder()) { |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 668 | stub_compiler_->CheckPrototypes(interceptor_holder, receiver, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 669 | Handle<JSObject>(lookup->holder()), |
| 670 | scratch1, scratch2, scratch3, |
| 671 | name, depth2, miss); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 672 | } else { |
| 673 | // CheckPrototypes has a side effect of fetching a 'holder' |
| 674 | // for API (object which is instanceof for the signature). It's |
| 675 | // safe to omit it here, as if present, it should be fetched |
| 676 | // by the previous CheckPrototypes. |
| 677 | ASSERT(depth2 == kInvalidProtoDepth); |
| 678 | } |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 679 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 680 | // Invoke function. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 681 | if (can_do_fast_api_call) { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 682 | GenerateFastApiCall(masm, optimization, arguments_.immediate(), false); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 683 | } else { |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 684 | CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state_) |
| 685 | ? CALL_AS_FUNCTION |
| 686 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 687 | Handle<JSFunction> fun = optimization.constant_function(); |
ulan@chromium.org | bebf074 | 2013-04-24 12:21:36 +0000 | [diff] [blame] | 688 | ParameterCount expected(fun); |
| 689 | __ InvokeFunction(fun, expected, arguments_, |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 690 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 691 | } |
| 692 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 693 | // Deferred code for fast API call case---clean preallocated space. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 694 | if (can_do_fast_api_call) { |
| 695 | __ bind(&miss_cleanup); |
| 696 | FreeSpaceForFastApiCall(masm, scratch1); |
| 697 | __ jmp(miss_label); |
| 698 | } |
| 699 | |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 700 | // Invoke a regular function. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 701 | __ bind(®ular_invoke); |
| 702 | if (can_do_fast_api_call) { |
| 703 | FreeSpaceForFastApiCall(masm, scratch1); |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | void CompileRegular(MacroAssembler* masm, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 708 | Handle<JSObject> object, |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 709 | Register receiver, |
| 710 | Register scratch1, |
| 711 | Register scratch2, |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 712 | Register scratch3, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 713 | Handle<Name> name, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 714 | Handle<JSObject> interceptor_holder, |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 715 | Label* miss_label) { |
| 716 | Register holder = |
kmillikin@chromium.org | 9155e25 | 2010-05-26 13:27:57 +0000 | [diff] [blame] | 717 | stub_compiler_->CheckPrototypes(object, receiver, interceptor_holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 718 | scratch1, scratch2, scratch3, |
| 719 | name, miss_label); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 720 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 721 | FrameScope scope(masm, StackFrame::INTERNAL); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 722 | // Save the name_ register across the call. |
| 723 | __ push(name_); |
| 724 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 725 | PushInterceptorArguments(masm, receiver, holder, name_, interceptor_holder); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 726 | |
| 727 | __ CallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 728 | ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorForCall), |
| 729 | masm->isolate()), |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 730 | StubCache::kInterceptorArgsLength); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 731 | |
| 732 | // Restore the name_ register. |
| 733 | __ pop(name_); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 734 | |
| 735 | // Leave the internal frame. |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 736 | } |
| 737 | |
| 738 | void LoadWithInterceptor(MacroAssembler* masm, |
| 739 | Register receiver, |
| 740 | Register holder, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 741 | Handle<JSObject> holder_obj, |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 742 | Label* interceptor_succeeded) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 743 | { |
| 744 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 745 | __ push(holder); // Save the holder. |
| 746 | __ push(name_); // Save the name. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 747 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 748 | CompileCallLoadPropertyWithInterceptor(masm, |
| 749 | receiver, |
| 750 | holder, |
| 751 | name_, |
| 752 | holder_obj); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 753 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 754 | __ pop(name_); // Restore the name. |
| 755 | __ pop(receiver); // Restore the holder. |
| 756 | // Leave the internal frame. |
| 757 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 758 | |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 759 | __ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex); |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 760 | __ j(not_equal, interceptor_succeeded); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 761 | } |
| 762 | |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 763 | StubCompiler* stub_compiler_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 764 | const ParameterCount& arguments_; |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 765 | Register name_; |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 766 | Code::ExtraICState extra_ic_state_; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 767 | }; |
| 768 | |
| 769 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 770 | void StoreStubCompiler::GenerateRestoreName(MacroAssembler* masm, |
| 771 | Label* label, |
| 772 | Handle<Name> name) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 773 | if (!label->is_unused()) { |
| 774 | __ bind(label); |
| 775 | __ Move(this->name(), name); |
| 776 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 777 | } |
| 778 | |
| 779 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 780 | // Generate code to check that a global property cell is empty. Create |
| 781 | // the property cell at compilation time if no cell exists for the |
| 782 | // property. |
| 783 | static void GenerateCheckPropertyCell(MacroAssembler* masm, |
| 784 | Handle<GlobalObject> global, |
| 785 | Handle<Name> name, |
| 786 | Register scratch, |
| 787 | Label* miss) { |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 788 | Handle<PropertyCell> cell = |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 789 | GlobalObject::EnsurePropertyCell(global, name); |
| 790 | ASSERT(cell->value()->IsTheHole()); |
| 791 | __ Move(scratch, cell); |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 792 | __ Cmp(FieldOperand(scratch, Cell::kValueOffset), |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 793 | masm->isolate()->factory()->the_hole_value()); |
| 794 | __ j(not_equal, miss); |
| 795 | } |
| 796 | |
| 797 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 798 | void StoreStubCompiler::GenerateNegativeHolderLookup( |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 799 | MacroAssembler* masm, |
| 800 | Handle<JSObject> holder, |
| 801 | Register holder_reg, |
| 802 | Handle<Name> name, |
| 803 | Label* miss) { |
| 804 | if (holder->IsJSGlobalObject()) { |
| 805 | GenerateCheckPropertyCell( |
| 806 | masm, Handle<GlobalObject>::cast(holder), name, scratch1(), miss); |
| 807 | } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { |
| 808 | GenerateDictionaryNegativeLookup( |
| 809 | masm, miss, holder_reg, name, scratch1(), scratch2()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 810 | } |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 811 | } |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 812 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 813 | |
| 814 | // Receiver_reg is preserved on jumps to miss_label, but may be destroyed if |
| 815 | // store is successful. |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 816 | void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm, |
| 817 | Handle<JSObject> object, |
| 818 | LookupResult* lookup, |
| 819 | Handle<Map> transition, |
| 820 | Handle<Name> name, |
| 821 | Register receiver_reg, |
| 822 | Register storage_reg, |
| 823 | Register value_reg, |
| 824 | Register scratch1, |
| 825 | Register scratch2, |
| 826 | Register unused, |
| 827 | Label* miss_label, |
| 828 | Label* slow) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 829 | int descriptor = transition->LastAdded(); |
| 830 | DescriptorArray* descriptors = transition->instance_descriptors(); |
| 831 | PropertyDetails details = descriptors->GetDetails(descriptor); |
| 832 | Representation representation = details.representation(); |
| 833 | ASSERT(!representation.IsNone()); |
| 834 | |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 835 | if (details.type() == CONSTANT) { |
| 836 | Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate()); |
| 837 | __ CmpObject(value_reg, constant); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 838 | __ j(not_equal, miss_label); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 839 | } else if (FLAG_track_fields && representation.IsSmi()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 840 | __ JumpIfNotSmi(value_reg, miss_label); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 841 | } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 842 | __ JumpIfSmi(value_reg, miss_label); |
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, slow); |
| 846 | |
| 847 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 848 | __ SmiToInteger32(scratch1, value_reg); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 849 | __ Cvtlsi2sd(xmm0, scratch1); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 850 | __ jmp(&do_store); |
| 851 | |
| 852 | __ bind(&heap_number); |
| 853 | __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(), |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 854 | miss_label, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 855 | __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset)); |
| 856 | |
| 857 | __ bind(&do_store); |
| 858 | __ movsd(FieldOperand(storage_reg, HeapNumber::kValueOffset), xmm0); |
| 859 | } |
| 860 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 861 | // Stub never generated for non-global objects that require access |
| 862 | // checks. |
| 863 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 864 | |
| 865 | // Perform map transition for the receiver if necessary. |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 866 | if (details.type() == FIELD && |
| 867 | object->map()->unused_property_fields() == 0) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 868 | // The properties must be extended before we can store the value. |
| 869 | // We jump to a runtime call that extends the properties array. |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 870 | __ PopReturnAddressTo(scratch1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 871 | __ push(receiver_reg); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 872 | __ Push(transition); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 873 | __ push(value_reg); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 874 | __ PushReturnAddressFrom(scratch1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 875 | __ TailCallExternalReference( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 876 | ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage), |
| 877 | masm->isolate()), |
| 878 | 3, |
| 879 | 1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 880 | return; |
| 881 | } |
| 882 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 883 | // Update the map of the object. |
| 884 | __ Move(scratch1, transition); |
| 885 | __ movq(FieldOperand(receiver_reg, HeapObject::kMapOffset), scratch1); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 886 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 887 | // Update the write barrier for the map field. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 888 | __ RecordWriteField(receiver_reg, |
| 889 | HeapObject::kMapOffset, |
| 890 | scratch1, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 891 | scratch2, |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 892 | kDontSaveFPRegs, |
| 893 | OMIT_REMEMBERED_SET, |
| 894 | OMIT_SMI_CHECK); |
| 895 | |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 896 | if (details.type() == CONSTANT) { |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 897 | ASSERT(value_reg.is(rax)); |
| 898 | __ ret(0); |
| 899 | return; |
| 900 | } |
| 901 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 902 | int index = transition->instance_descriptors()->GetFieldIndex( |
| 903 | transition->LastAdded()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 904 | |
| 905 | // Adjust for the number of properties stored in the object. Even in the |
| 906 | // face of a transition we can use the old map here because the size of the |
| 907 | // object and the number of in-object properties is not going to change. |
| 908 | index -= object->map()->inobject_properties(); |
| 909 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 910 | // TODO(verwaest): Share this code as a code stub. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 911 | SmiCheck smi_check = representation.IsTagged() |
| 912 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 913 | if (index < 0) { |
| 914 | // Set the property straight into the object. |
| 915 | int offset = object->map()->instance_size() + (index * kPointerSize); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 916 | if (FLAG_track_double_fields && representation.IsDouble()) { |
| 917 | __ movq(FieldOperand(receiver_reg, offset), storage_reg); |
| 918 | } else { |
| 919 | __ movq(FieldOperand(receiver_reg, offset), value_reg); |
| 920 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 921 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 922 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 923 | // Update the write barrier for the array address. |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 924 | if (!FLAG_track_double_fields || !representation.IsDouble()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 925 | __ movq(storage_reg, value_reg); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 926 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 927 | __ RecordWriteField( |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 928 | receiver_reg, offset, storage_reg, scratch1, kDontSaveFPRegs, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 929 | EMIT_REMEMBERED_SET, smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 930 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 931 | } else { |
| 932 | // Write to the properties array. |
| 933 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 934 | // Get the properties array (optimistically). |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 935 | __ movq(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 936 | if (FLAG_track_double_fields && representation.IsDouble()) { |
| 937 | __ movq(FieldOperand(scratch1, offset), storage_reg); |
| 938 | } else { |
| 939 | __ movq(FieldOperand(scratch1, offset), value_reg); |
| 940 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 941 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 942 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 943 | // Update the write barrier for the array address. |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 944 | if (!FLAG_track_double_fields || !representation.IsDouble()) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 945 | __ movq(storage_reg, value_reg); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 946 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 947 | __ RecordWriteField( |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 948 | scratch1, offset, storage_reg, receiver_reg, kDontSaveFPRegs, |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 949 | EMIT_REMEMBERED_SET, smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 950 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 951 | } |
| 952 | |
| 953 | // Return the value (register rax). |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 954 | ASSERT(value_reg.is(rax)); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 955 | __ ret(0); |
| 956 | } |
| 957 | |
| 958 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 959 | // Both name_reg and receiver_reg are preserved on jumps to miss_label, |
| 960 | // but may be destroyed if store is successful. |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 961 | void StoreStubCompiler::GenerateStoreField(MacroAssembler* masm, |
| 962 | Handle<JSObject> object, |
| 963 | LookupResult* lookup, |
| 964 | Register receiver_reg, |
| 965 | Register name_reg, |
| 966 | Register value_reg, |
| 967 | Register scratch1, |
| 968 | Register scratch2, |
| 969 | Label* miss_label) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 970 | // Stub never generated for non-global objects that require access |
| 971 | // checks. |
| 972 | ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); |
| 973 | |
| 974 | int index = lookup->GetFieldIndex().field_index(); |
| 975 | |
| 976 | // Adjust for the number of properties stored in the object. Even in the |
| 977 | // face of a transition we can use the old map here because the size of the |
| 978 | // object and the number of in-object properties is not going to change. |
| 979 | index -= object->map()->inobject_properties(); |
| 980 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 981 | Representation representation = lookup->representation(); |
| 982 | ASSERT(!representation.IsNone()); |
| 983 | if (FLAG_track_fields && representation.IsSmi()) { |
| 984 | __ JumpIfNotSmi(value_reg, miss_label); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 985 | } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) { |
| 986 | __ JumpIfSmi(value_reg, miss_label); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 987 | } else if (FLAG_track_double_fields && representation.IsDouble()) { |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 988 | // Load the double storage. |
| 989 | if (index < 0) { |
| 990 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 991 | __ movq(scratch1, FieldOperand(receiver_reg, offset)); |
| 992 | } else { |
| 993 | __ movq(scratch1, |
| 994 | FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 995 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 996 | __ movq(scratch1, FieldOperand(scratch1, offset)); |
| 997 | } |
| 998 | |
| 999 | // Store the value into the storage. |
| 1000 | Label do_store, heap_number; |
| 1001 | __ JumpIfNotSmi(value_reg, &heap_number); |
| 1002 | __ SmiToInteger32(scratch2, value_reg); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1003 | __ Cvtlsi2sd(xmm0, scratch2); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1004 | __ jmp(&do_store); |
| 1005 | |
| 1006 | __ bind(&heap_number); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1007 | __ CheckMap(value_reg, masm->isolate()->factory()->heap_number_map(), |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1008 | miss_label, DONT_DO_SMI_CHECK); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1009 | __ movsd(xmm0, FieldOperand(value_reg, HeapNumber::kValueOffset)); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1010 | __ bind(&do_store); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1011 | __ movsd(FieldOperand(scratch1, HeapNumber::kValueOffset), xmm0); |
| 1012 | // Return the value (register rax). |
| 1013 | ASSERT(value_reg.is(rax)); |
| 1014 | __ ret(0); |
| 1015 | return; |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1016 | } |
| 1017 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1018 | // TODO(verwaest): Share this code as a code stub. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1019 | SmiCheck smi_check = representation.IsTagged() |
| 1020 | ? INLINE_SMI_CHECK : OMIT_SMI_CHECK; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1021 | if (index < 0) { |
| 1022 | // Set the property straight into the object. |
| 1023 | int offset = object->map()->instance_size() + (index * kPointerSize); |
| 1024 | __ movq(FieldOperand(receiver_reg, offset), value_reg); |
| 1025 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1026 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 1027 | // Update the write barrier for the array address. |
| 1028 | // Pass the value being stored in the now unused name_reg. |
| 1029 | __ movq(name_reg, value_reg); |
| 1030 | __ RecordWriteField( |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1031 | receiver_reg, offset, name_reg, scratch1, kDontSaveFPRegs, |
| 1032 | EMIT_REMEMBERED_SET, smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1033 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1034 | } else { |
| 1035 | // Write to the properties array. |
| 1036 | int offset = index * kPointerSize + FixedArray::kHeaderSize; |
| 1037 | // Get the properties array (optimistically). |
| 1038 | __ movq(scratch1, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); |
| 1039 | __ movq(FieldOperand(scratch1, offset), value_reg); |
| 1040 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1041 | if (!FLAG_track_fields || !representation.IsSmi()) { |
| 1042 | // Update the write barrier for the array address. |
| 1043 | // Pass the value being stored in the now unused name_reg. |
| 1044 | __ movq(name_reg, value_reg); |
| 1045 | __ RecordWriteField( |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1046 | scratch1, offset, name_reg, receiver_reg, kDontSaveFPRegs, |
| 1047 | EMIT_REMEMBERED_SET, smi_check); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 1048 | } |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | // Return the value (register rax). |
| 1052 | ASSERT(value_reg.is(rax)); |
| 1053 | __ ret(0); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1054 | } |
| 1055 | |
| 1056 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1057 | // Calls GenerateCheckPropertyCell for each global object in the prototype chain |
| 1058 | // from object to (but not including) holder. |
| 1059 | static void GenerateCheckPropertyCells(MacroAssembler* masm, |
| 1060 | Handle<JSObject> object, |
| 1061 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1062 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1063 | Register scratch, |
| 1064 | Label* miss) { |
| 1065 | Handle<JSObject> current = object; |
| 1066 | while (!current.is_identical_to(holder)) { |
| 1067 | if (current->IsGlobalObject()) { |
| 1068 | GenerateCheckPropertyCell(masm, |
| 1069 | Handle<GlobalObject>::cast(current), |
| 1070 | name, |
| 1071 | scratch, |
| 1072 | miss); |
| 1073 | } |
| 1074 | current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); |
| 1075 | } |
| 1076 | } |
| 1077 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1078 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1079 | void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1080 | __ jmp(code, RelocInfo::CODE_TARGET); |
| 1081 | } |
| 1082 | |
| 1083 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1084 | #undef __ |
| 1085 | #define __ ACCESS_MASM((masm())) |
| 1086 | |
| 1087 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1088 | Register StubCompiler::CheckPrototypes(Handle<JSObject> object, |
| 1089 | Register object_reg, |
| 1090 | Handle<JSObject> holder, |
| 1091 | Register holder_reg, |
| 1092 | Register scratch1, |
| 1093 | Register scratch2, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1094 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1095 | int save_at_depth, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1096 | Label* miss, |
| 1097 | PrototypeCheckType check) { |
jkummerow@chromium.org | ba72ec8 | 2013-07-22 09:21:20 +0000 | [diff] [blame] | 1098 | // Make sure that the type feedback oracle harvests the receiver map. |
| 1099 | // TODO(svenpanne) Remove this hack when all ICs are reworked. |
| 1100 | __ Move(scratch1, Handle<Map>(object->map())); |
| 1101 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1102 | Handle<JSObject> first = object; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1103 | // Make sure there's no overlap between holder and object registers. |
| 1104 | ASSERT(!scratch1.is(object_reg) && !scratch1.is(holder_reg)); |
| 1105 | ASSERT(!scratch2.is(object_reg) && !scratch2.is(holder_reg) |
| 1106 | && !scratch2.is(scratch1)); |
| 1107 | |
| 1108 | // Keep track of the current object in register reg. On the first |
| 1109 | // iteration, reg is an alias for object_reg, on later iterations, |
| 1110 | // it is an alias for holder_reg. |
| 1111 | Register reg = object_reg; |
| 1112 | int depth = 0; |
| 1113 | |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 1114 | StackArgumentsAccessor args(rsp, kFastApiCallArguments, |
| 1115 | ARGUMENTS_DONT_CONTAIN_RECEIVER); |
| 1116 | const int kHolderIndex = kFastApiCallArguments - 1 - |
| 1117 | FunctionCallbackArguments::kHolderIndex; |
| 1118 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1119 | if (save_at_depth == depth) { |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 1120 | __ movq(args.GetArgumentOperand(kHolderIndex), object_reg); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1121 | } |
| 1122 | |
| 1123 | // Check the maps in the prototype chain. |
| 1124 | // Traverse the prototype chain from the object and do map checks. |
| 1125 | Handle<JSObject> current = object; |
| 1126 | while (!current.is_identical_to(holder)) { |
| 1127 | ++depth; |
| 1128 | |
| 1129 | // Only global objects and objects that do not require access |
| 1130 | // checks are allowed in stubs. |
| 1131 | ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded()); |
| 1132 | |
| 1133 | Handle<JSObject> prototype(JSObject::cast(current->GetPrototype())); |
| 1134 | if (!current->HasFastProperties() && |
| 1135 | !current->IsJSGlobalObject() && |
| 1136 | !current->IsJSGlobalProxy()) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1137 | if (!name->IsUniqueName()) { |
| 1138 | ASSERT(name->IsString()); |
| 1139 | name = factory()->InternalizeString(Handle<String>::cast(name)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1140 | } |
| 1141 | ASSERT(current->property_dictionary()->FindEntry(*name) == |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1142 | NameDictionary::kNotFound); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1143 | |
| 1144 | GenerateDictionaryNegativeLookup(masm(), miss, reg, name, |
| 1145 | scratch1, scratch2); |
| 1146 | |
| 1147 | __ movq(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
| 1148 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 1149 | __ movq(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 1150 | } else { |
| 1151 | bool in_new_space = heap()->InNewSpace(*prototype); |
| 1152 | Handle<Map> current_map(current->map()); |
| 1153 | if (in_new_space) { |
| 1154 | // Save the map in scratch1 for later. |
| 1155 | __ movq(scratch1, FieldOperand(reg, HeapObject::kMapOffset)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1156 | } |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1157 | if (!current.is_identical_to(first) || check == CHECK_ALL_MAPS) { |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1158 | __ CheckMap(reg, current_map, miss, DONT_DO_SMI_CHECK); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1159 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1160 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1161 | // Check access rights to the global object. This has to happen after |
| 1162 | // the map check so that we know that the object is actually a global |
| 1163 | // object. |
| 1164 | if (current->IsJSGlobalProxy()) { |
| 1165 | __ CheckAccessGlobalProxy(reg, scratch2, miss); |
| 1166 | } |
| 1167 | reg = holder_reg; // From now on the object will be in holder_reg. |
| 1168 | |
| 1169 | if (in_new_space) { |
| 1170 | // The prototype is in new space; we cannot store a reference to it |
| 1171 | // in the code. Load it from the map. |
| 1172 | __ movq(reg, FieldOperand(scratch1, Map::kPrototypeOffset)); |
| 1173 | } else { |
| 1174 | // The prototype is in old space; load it directly. |
| 1175 | __ Move(reg, prototype); |
| 1176 | } |
| 1177 | } |
| 1178 | |
| 1179 | if (save_at_depth == depth) { |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 1180 | __ movq(args.GetArgumentOperand(kHolderIndex), reg); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1181 | } |
| 1182 | |
| 1183 | // Go to the next object in the prototype chain. |
| 1184 | current = prototype; |
| 1185 | } |
| 1186 | ASSERT(current.is_identical_to(holder)); |
| 1187 | |
| 1188 | // Log the check depth. |
| 1189 | LOG(isolate(), IntEvent("check-maps-depth", depth + 1)); |
| 1190 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1191 | if (!holder.is_identical_to(first) || check == CHECK_ALL_MAPS) { |
| 1192 | // Check the holder map. |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1193 | __ CheckMap(reg, Handle<Map>(holder->map()), miss, DONT_DO_SMI_CHECK); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1194 | } |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1195 | |
| 1196 | // Perform security check for access to the global object. |
| 1197 | ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded()); |
| 1198 | if (current->IsJSGlobalProxy()) { |
| 1199 | __ CheckAccessGlobalProxy(reg, scratch1, miss); |
| 1200 | } |
| 1201 | |
| 1202 | // If we've skipped any global objects, it's not enough to verify that |
| 1203 | // their maps haven't changed. We also need to check that the property |
| 1204 | // cell for the property is still empty. |
| 1205 | GenerateCheckPropertyCells(masm(), object, holder, name, scratch1, miss); |
| 1206 | |
| 1207 | // Return the register containing the holder. |
| 1208 | return reg; |
| 1209 | } |
| 1210 | |
| 1211 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1212 | void LoadStubCompiler::HandlerFrontendFooter(Handle<Name> name, |
| 1213 | Label* success, |
| 1214 | Label* miss) { |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1215 | if (!miss->is_unused()) { |
| 1216 | __ jmp(success); |
| 1217 | __ bind(miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1218 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1219 | } |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1220 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1221 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1222 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1223 | void StoreStubCompiler::HandlerFrontendFooter(Handle<Name> name, |
| 1224 | Label* success, |
| 1225 | Label* miss) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1226 | if (!miss->is_unused()) { |
| 1227 | __ jmp(success); |
| 1228 | GenerateRestoreName(masm(), miss, name); |
| 1229 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1234 | Register LoadStubCompiler::CallbackHandlerFrontend( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1235 | Handle<JSObject> object, |
| 1236 | Register object_reg, |
| 1237 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1238 | Handle<Name> name, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1239 | Label* success, |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 1240 | Handle<Object> callback) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1241 | Label miss; |
| 1242 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1243 | Register reg = HandlerFrontendHeader(object, object_reg, holder, name, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1244 | |
| 1245 | if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) { |
| 1246 | ASSERT(!reg.is(scratch2())); |
| 1247 | ASSERT(!reg.is(scratch3())); |
| 1248 | ASSERT(!reg.is(scratch4())); |
| 1249 | |
| 1250 | // Load the properties dictionary. |
| 1251 | Register dictionary = scratch4(); |
| 1252 | __ movq(dictionary, FieldOperand(reg, JSObject::kPropertiesOffset)); |
| 1253 | |
| 1254 | // Probe the dictionary. |
| 1255 | Label probe_done; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1256 | NameDictionaryLookupStub::GeneratePositiveLookup(masm(), |
| 1257 | &miss, |
| 1258 | &probe_done, |
| 1259 | dictionary, |
| 1260 | this->name(), |
| 1261 | scratch2(), |
| 1262 | scratch3()); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1263 | __ bind(&probe_done); |
| 1264 | |
| 1265 | // If probing finds an entry in the dictionary, scratch3 contains the |
| 1266 | // index into the dictionary. Check that the value is the callback. |
| 1267 | Register index = scratch3(); |
| 1268 | const int kElementsStartOffset = |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1269 | NameDictionary::kHeaderSize + |
| 1270 | NameDictionary::kElementsStartIndex * kPointerSize; |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1271 | const int kValueOffset = kElementsStartOffset + kPointerSize; |
| 1272 | __ movq(scratch2(), |
| 1273 | Operand(dictionary, index, times_pointer_size, |
| 1274 | kValueOffset - kHeapObjectTag)); |
| 1275 | __ movq(scratch3(), callback, RelocInfo::EMBEDDED_OBJECT); |
| 1276 | __ cmpq(scratch2(), scratch3()); |
| 1277 | __ j(not_equal, &miss); |
| 1278 | } |
| 1279 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1280 | HandlerFrontendFooter(name, success, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1281 | return reg; |
| 1282 | } |
| 1283 | |
| 1284 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1285 | void LoadStubCompiler::NonexistentHandlerFrontend( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1286 | Handle<JSObject> object, |
| 1287 | Handle<JSObject> last, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1288 | Handle<Name> name, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1289 | Label* success, |
| 1290 | Handle<GlobalObject> global) { |
| 1291 | Label miss; |
| 1292 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1293 | HandlerFrontendHeader(object, receiver(), last, name, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1294 | |
| 1295 | // If the last object in the prototype chain is a global object, |
| 1296 | // check that the global property cell is empty. |
| 1297 | if (!global.is_null()) { |
| 1298 | GenerateCheckPropertyCell(masm(), global, name, scratch2(), &miss); |
| 1299 | } |
| 1300 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1301 | HandlerFrontendFooter(name, success, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1302 | } |
| 1303 | |
| 1304 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1305 | void LoadStubCompiler::GenerateLoadField(Register reg, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1306 | Handle<JSObject> holder, |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1307 | PropertyIndex field, |
| 1308 | Representation representation) { |
| 1309 | if (!reg.is(receiver())) __ movq(receiver(), reg); |
| 1310 | if (kind() == Code::LOAD_IC) { |
| 1311 | LoadFieldStub stub(field.is_inobject(holder), |
| 1312 | field.translate(holder), |
| 1313 | representation); |
| 1314 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 1315 | } else { |
| 1316 | KeyedLoadFieldStub stub(field.is_inobject(holder), |
| 1317 | field.translate(holder), |
| 1318 | representation); |
| 1319 | GenerateTailCall(masm(), stub.GetCode(isolate())); |
| 1320 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1321 | } |
| 1322 | |
| 1323 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1324 | void LoadStubCompiler::GenerateLoadCallback( |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 1325 | const CallOptimization& call_optimization) { |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 1326 | GenerateFastApiCall( |
| 1327 | masm(), call_optimization, receiver(), scratch3(), 0, NULL); |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 1328 | } |
| 1329 | |
| 1330 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1331 | void LoadStubCompiler::GenerateLoadCallback( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1332 | Register reg, |
| 1333 | Handle<ExecutableAccessorInfo> callback) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1334 | // Insert additional parameters into the stack frame above return address. |
danno@chromium.org | c9db920 | 2013-06-20 13:09:46 +0000 | [diff] [blame] | 1335 | ASSERT(!scratch4().is(reg)); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 1336 | __ PopReturnAddressTo(scratch4()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1337 | |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1338 | STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0); |
| 1339 | STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1); |
| 1340 | STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2); |
| 1341 | STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3); |
| 1342 | STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 4); |
| 1343 | STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 5); |
| 1344 | STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1345 | __ push(receiver()); // receiver |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1346 | if (heap()->InNewSpace(callback->data())) { |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1347 | ASSERT(!scratch2().is(reg)); |
| 1348 | __ Move(scratch2(), callback); |
| 1349 | __ push(FieldOperand(scratch2(), |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1350 | ExecutableAccessorInfo::kDataOffset)); // data |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1351 | } else { |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1352 | __ Push(Handle<Object>(callback->data(), isolate())); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1353 | } |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1354 | ASSERT(!kScratchRegister.is(reg)); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1355 | __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); |
| 1356 | __ push(kScratchRegister); // return value |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1357 | __ push(kScratchRegister); // return value default |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1358 | __ PushAddress(ExternalReference::isolate_address(isolate())); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1359 | __ push(reg); // holder |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1360 | __ push(name()); // name |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1361 | // Save a pointer to where we pushed the arguments pointer. This will be |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1362 | // passed as the const PropertyAccessorInfo& to the C++ callback. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1363 | |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1364 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1365 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1366 | #if defined(__MINGW64__) || defined(_WIN64) |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1367 | Register getter_arg = r8; |
erik.corry@gmail.com | ed49e96 | 2012-04-17 11:57:53 +0000 | [diff] [blame] | 1368 | Register accessor_info_arg = rdx; |
| 1369 | Register name_arg = rcx; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1370 | #else |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1371 | Register getter_arg = rdx; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1372 | Register accessor_info_arg = rsi; |
| 1373 | Register name_arg = rdi; |
| 1374 | #endif |
| 1375 | |
danno@chromium.org | c9db920 | 2013-06-20 13:09:46 +0000 | [diff] [blame] | 1376 | ASSERT(!name_arg.is(scratch4())); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1377 | __ movq(name_arg, rsp); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 1378 | __ PushReturnAddressFrom(scratch4()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1379 | |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1380 | // v8::Arguments::values_ and handler for name. |
| 1381 | const int kStackSpace = PropertyCallbackArguments::kArgsLength + 1; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1382 | |
| 1383 | // Allocate v8::AccessorInfo in non-GCed stack space. |
| 1384 | const int kArgStackSpace = 1; |
| 1385 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1386 | __ PrepareCallApiFunction(kArgStackSpace); |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1387 | __ lea(rax, Operand(name_arg, 1 * kPointerSize)); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1388 | |
jkummerow@chromium.org | fb7a7c4 | 2013-10-02 11:41:02 +0000 | [diff] [blame] | 1389 | // v8::PropertyAccessorInfo::args_. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1390 | __ movq(StackSpaceOperand(0), rax); |
| 1391 | |
| 1392 | // The context register (rsi) has been saved in PrepareCallApiFunction and |
| 1393 | // could be used to pass arguments. |
| 1394 | __ lea(accessor_info_arg, StackSpaceOperand(0)); |
| 1395 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1396 | Address thunk_address = FUNCTION_ADDR(&InvokeAccessorGetterCallback); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1397 | |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 1398 | // The name handler is counted as an argument. |
| 1399 | StackArgumentsAccessor args(rbp, PropertyCallbackArguments::kArgsLength); |
| 1400 | Operand return_value_operand = args.GetArgumentOperand( |
| 1401 | PropertyCallbackArguments::kArgsLength - 1 - |
| 1402 | PropertyCallbackArguments::kReturnValueOffset); |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1403 | __ CallApiFunctionAndReturn(getter_address, |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 1404 | thunk_address, |
| 1405 | getter_arg, |
ulan@chromium.org | bf9432e | 2013-05-22 14:05:23 +0000 | [diff] [blame] | 1406 | kStackSpace, |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 1407 | return_value_operand, |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 1408 | NULL); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1409 | } |
| 1410 | |
| 1411 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1412 | void LoadStubCompiler::GenerateLoadConstant(Handle<Object> value) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1413 | // Return the constant value. |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 1414 | __ LoadObject(rax, value); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1415 | __ ret(0); |
| 1416 | } |
| 1417 | |
| 1418 | |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 1419 | void LoadStubCompiler::GenerateLoadInterceptor( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1420 | Register holder_reg, |
| 1421 | Handle<JSObject> object, |
| 1422 | Handle<JSObject> interceptor_holder, |
| 1423 | LookupResult* lookup, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1424 | Handle<Name> name) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1425 | ASSERT(interceptor_holder->HasNamedInterceptor()); |
| 1426 | ASSERT(!interceptor_holder->GetNamedInterceptor()->getter()->IsUndefined()); |
| 1427 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1428 | // So far the most popular follow ups for interceptor loads are FIELD |
| 1429 | // and CALLBACKS, so inline only them, other cases may be added |
| 1430 | // later. |
| 1431 | bool compile_followup_inline = false; |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1432 | if (lookup->IsFound() && lookup->IsCacheable()) { |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 1433 | if (lookup->IsField()) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1434 | compile_followup_inline = true; |
| 1435 | } else if (lookup->type() == CALLBACKS && |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 1436 | lookup->GetCallbackObject()->IsExecutableAccessorInfo()) { |
| 1437 | ExecutableAccessorInfo* callback = |
| 1438 | ExecutableAccessorInfo::cast(lookup->GetCallbackObject()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1439 | compile_followup_inline = callback->getter() != NULL && |
| 1440 | callback->IsCompatibleReceiver(*object); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | if (compile_followup_inline) { |
| 1445 | // Compile the interceptor call, followed by inline code to load the |
| 1446 | // property from further up the prototype chain if the call fails. |
| 1447 | // Check that the maps haven't changed. |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1448 | ASSERT(holder_reg.is(receiver()) || holder_reg.is(scratch1())); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1449 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1450 | // Preserve the receiver register explicitly whenever it is different from |
| 1451 | // the holder and it is needed should the interceptor return without any |
| 1452 | // result. The CALLBACKS case needs the receiver to be passed into C++ code, |
| 1453 | // the FIELD case might cause a miss during the prototype check. |
| 1454 | bool must_perfrom_prototype_check = *interceptor_holder != lookup->holder(); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1455 | bool must_preserve_receiver_reg = !receiver().is(holder_reg) && |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1456 | (lookup->type() == CALLBACKS || must_perfrom_prototype_check); |
| 1457 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1458 | // Save necessary data before invoking an interceptor. |
| 1459 | // Requires a frame to make GC aware of pushed pointers. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1460 | { |
| 1461 | FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1462 | |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1463 | if (must_preserve_receiver_reg) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1464 | __ push(receiver()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1465 | } |
| 1466 | __ push(holder_reg); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1467 | __ push(this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1468 | |
| 1469 | // Invoke an interceptor. Note: map checks from receiver to |
| 1470 | // interceptor's holder has been compiled before (see a caller |
| 1471 | // of this method.) |
| 1472 | CompileCallLoadPropertyWithInterceptor(masm(), |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1473 | receiver(), |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1474 | holder_reg, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1475 | this->name(), |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1476 | interceptor_holder); |
| 1477 | |
| 1478 | // Check if interceptor provided a value for property. If it's |
| 1479 | // the case, return immediately. |
| 1480 | Label interceptor_failed; |
| 1481 | __ CompareRoot(rax, Heap::kNoInterceptorResultSentinelRootIndex); |
| 1482 | __ j(equal, &interceptor_failed); |
| 1483 | frame_scope.GenerateLeaveFrame(); |
| 1484 | __ ret(0); |
| 1485 | |
| 1486 | __ bind(&interceptor_failed); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1487 | __ pop(this->name()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1488 | __ pop(holder_reg); |
jkummerow@chromium.org | 212d964 | 2012-05-11 15:02:09 +0000 | [diff] [blame] | 1489 | if (must_preserve_receiver_reg) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1490 | __ pop(receiver()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1491 | } |
| 1492 | |
| 1493 | // Leave the internal frame. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1494 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1495 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1496 | GenerateLoadPostInterceptor(holder_reg, interceptor_holder, name, lookup); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1497 | } else { // !compile_followup_inline |
| 1498 | // Call the runtime system to load the interceptor. |
| 1499 | // Check that the maps haven't changed. |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 1500 | __ PopReturnAddressTo(scratch2()); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 1501 | PushInterceptorArguments(masm(), receiver(), holder_reg, |
| 1502 | this->name(), interceptor_holder); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 1503 | __ PushReturnAddressFrom(scratch2()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1504 | |
| 1505 | ExternalReference ref = ExternalReference( |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1506 | IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), isolate()); |
dslomov@chromium.org | 4a35c5a | 2013-09-13 07:28:52 +0000 | [diff] [blame] | 1507 | __ TailCallExternalReference(ref, StubCache::kInterceptorArgsLength, 1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 1508 | } |
| 1509 | } |
| 1510 | |
| 1511 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1512 | void CallStubCompiler::GenerateNameCheck(Handle<Name> name, Label* miss) { |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 1513 | if (kind_ == Code::KEYED_CALL_IC) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1514 | __ Cmp(rcx, name); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 1515 | __ j(not_equal, miss); |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1520 | void CallStubCompiler::GenerateGlobalReceiverCheck(Handle<JSObject> object, |
| 1521 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1522 | Handle<Name> name, |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1523 | Label* miss) { |
| 1524 | ASSERT(holder->IsGlobalObject()); |
| 1525 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1526 | StackArgumentsAccessor args(rsp, arguments()); |
| 1527 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1528 | |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1529 | |
| 1530 | // Check that the maps haven't changed. |
mstarzinger@chromium.org | 3233d2f | 2012-03-14 11:16:03 +0000 | [diff] [blame] | 1531 | __ JumpIfSmi(rdx, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1532 | CheckPrototypes(object, rdx, holder, rbx, rax, rdi, name, miss); |
| 1533 | } |
| 1534 | |
| 1535 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1536 | void CallStubCompiler::GenerateLoadFunctionFromCell( |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 1537 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1538 | Handle<JSFunction> function, |
| 1539 | Label* miss) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1540 | // Get the value from the cell. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1541 | __ Move(rdi, cell); |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 1542 | __ movq(rdi, FieldOperand(rdi, Cell::kValueOffset)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1543 | |
| 1544 | // Check that the cell contains the same function. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1545 | if (heap()->InNewSpace(*function)) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1546 | // We can't embed a pointer to a function in new space so we have |
| 1547 | // to verify that the shared function info is unchanged. This has |
| 1548 | // the nice side effect that multiple closures based on the same |
| 1549 | // function can all use this call IC. Before we load through the |
| 1550 | // function, we have to verify that it still is a function. |
| 1551 | __ JumpIfSmi(rdi, miss); |
| 1552 | __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rax); |
| 1553 | __ j(not_equal, miss); |
| 1554 | |
| 1555 | // Check the shared function info. Make sure it hasn't changed. |
| 1556 | __ Move(rax, Handle<SharedFunctionInfo>(function->shared())); |
| 1557 | __ cmpq(FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset), rax); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1558 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1559 | __ Cmp(rdi, function); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1560 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1561 | __ j(not_equal, miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1562 | } |
| 1563 | |
| 1564 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1565 | void CallStubCompiler::GenerateMissBranch() { |
| 1566 | Handle<Code> code = |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1567 | isolate()->stub_cache()->ComputeCallMiss(arguments().immediate(), |
| 1568 | kind_, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1569 | extra_state_); |
| 1570 | __ Jump(code, RelocInfo::CODE_TARGET); |
| 1571 | } |
| 1572 | |
| 1573 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1574 | Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object, |
| 1575 | Handle<JSObject> holder, |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 1576 | PropertyIndex index, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1577 | Handle<Name> name) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1578 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1579 | // rcx : function name |
| 1580 | // rsp[0] : return address |
| 1581 | // rsp[8] : argument argc |
| 1582 | // rsp[16] : argument argc - 1 |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1583 | // ... |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1584 | // rsp[argc * 8] : argument 1 |
| 1585 | // rsp[(argc + 1) * 8] : argument 0 = receiver |
| 1586 | // ----------------------------------- |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1587 | Label miss; |
| 1588 | |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 1589 | GenerateNameCheck(name, &miss); |
| 1590 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1591 | StackArgumentsAccessor args(rsp, arguments()); |
| 1592 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1593 | |
| 1594 | // Check that the receiver isn't a smi. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 1595 | __ JumpIfSmi(rdx, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1596 | |
| 1597 | // Do the right check and compute the holder register. |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 1598 | Register reg = CheckPrototypes(object, rdx, holder, rbx, rax, rdi, |
| 1599 | name, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1600 | |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 1601 | GenerateFastPropertyLoad(masm(), rdi, reg, index.is_inobject(holder), |
| 1602 | index.translate(holder), Representation::Tagged()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1603 | |
| 1604 | // Check that the function really is a function. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 1605 | __ JumpIfSmi(rdi, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1606 | __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rbx); |
| 1607 | __ j(not_equal, &miss); |
| 1608 | |
| 1609 | // Patch the receiver on the stack with the global proxy if |
| 1610 | // necessary. |
| 1611 | if (object->IsGlobalObject()) { |
| 1612 | __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset)); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1613 | __ movq(args.GetReceiverOperand(), rdx); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1614 | } |
| 1615 | |
| 1616 | // Invoke the function. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1617 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1618 | ? CALL_AS_FUNCTION |
| 1619 | : CALL_AS_METHOD; |
| 1620 | __ InvokeFunction(rdi, arguments(), JUMP_FUNCTION, |
| 1621 | NullCallWrapper(), call_kind); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1622 | |
| 1623 | // Handle call cache miss. |
| 1624 | __ bind(&miss); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1625 | GenerateMissBranch(); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1626 | |
| 1627 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 1628 | return GetCode(Code::FIELD, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1629 | } |
| 1630 | |
| 1631 | |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1632 | Handle<Code> CallStubCompiler::CompileArrayCodeCall( |
| 1633 | Handle<Object> object, |
| 1634 | Handle<JSObject> holder, |
| 1635 | Handle<Cell> cell, |
| 1636 | Handle<JSFunction> function, |
| 1637 | Handle<String> name, |
| 1638 | Code::StubType type) { |
| 1639 | Label miss; |
| 1640 | |
| 1641 | // Check that function is still array |
| 1642 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1643 | StackArgumentsAccessor args(rsp, argc); |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1644 | GenerateNameCheck(name, &miss); |
| 1645 | |
| 1646 | if (cell.is_null()) { |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1647 | __ movq(rdx, args.GetReceiverOperand()); |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1648 | |
| 1649 | // Check that the receiver isn't a smi. |
| 1650 | __ JumpIfSmi(rdx, &miss); |
| 1651 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 1652 | name, &miss); |
| 1653 | } else { |
| 1654 | ASSERT(cell->value() == *function); |
| 1655 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 1656 | &miss); |
| 1657 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 1658 | } |
| 1659 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1660 | Handle<AllocationSite> site = isolate()->factory()->NewAllocationSite(); |
| 1661 | site->set_transition_info(Smi::FromInt(GetInitialFastElementsKind())); |
| 1662 | Handle<Cell> site_feedback_cell = isolate()->factory()->NewCell(site); |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1663 | __ movq(rax, Immediate(argc)); |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 1664 | __ Move(rbx, site_feedback_cell); |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1665 | __ Move(rdi, function); |
| 1666 | |
| 1667 | ArrayConstructorStub stub(isolate()); |
| 1668 | __ TailCallStub(&stub); |
| 1669 | |
| 1670 | __ bind(&miss); |
| 1671 | GenerateMissBranch(); |
| 1672 | |
| 1673 | // Return the generated code. |
| 1674 | return GetCode(type, name); |
| 1675 | } |
| 1676 | |
| 1677 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1678 | Handle<Code> CallStubCompiler::CompileArrayPushCall( |
| 1679 | Handle<Object> object, |
| 1680 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 1681 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1682 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1683 | Handle<String> name, |
| 1684 | Code::StubType type) { |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1685 | // ----------- S t a t e ------------- |
| 1686 | // -- rcx : name |
| 1687 | // -- rsp[0] : return address |
| 1688 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
| 1689 | // -- ... |
| 1690 | // -- rsp[(argc + 1) * 8] : receiver |
| 1691 | // ----------------------------------- |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1692 | |
| 1693 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1694 | if (!object->IsJSArray() || !cell.is_null()) return Handle<Code>::null(); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1695 | |
| 1696 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1697 | GenerateNameCheck(name, &miss); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 1698 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1699 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1700 | StackArgumentsAccessor args(rsp, argc); |
| 1701 | __ movq(rdx, args.GetReceiverOperand()); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1702 | |
| 1703 | // Check that the receiver isn't a smi. |
| 1704 | __ JumpIfSmi(rdx, &miss); |
| 1705 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1706 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 1707 | name, &miss); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1708 | |
| 1709 | if (argc == 0) { |
| 1710 | // Noop, return the length. |
| 1711 | __ movq(rax, FieldOperand(rdx, JSArray::kLengthOffset)); |
| 1712 | __ ret((argc + 1) * kPointerSize); |
| 1713 | } else { |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1714 | Label call_builtin; |
| 1715 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1716 | if (argc == 1) { // Otherwise fall through to call builtin. |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1717 | Label attempt_to_grow_elements, with_write_barrier, check_double; |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1718 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1719 | // Get the elements array of the object. |
| 1720 | __ movq(rdi, FieldOperand(rdx, JSArray::kElementsOffset)); |
| 1721 | |
| 1722 | // Check that the elements are in fast mode and writable. |
| 1723 | __ Cmp(FieldOperand(rdi, HeapObject::kMapOffset), |
| 1724 | factory()->fixed_array_map()); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1725 | __ j(not_equal, &check_double); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1726 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1727 | // Get the array's length into rax and calculate new length. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1728 | __ SmiToInteger32(rax, FieldOperand(rdx, JSArray::kLengthOffset)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1729 | STATIC_ASSERT(FixedArray::kMaxLength < Smi::kMaxValue); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1730 | __ addl(rax, Immediate(argc)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1731 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1732 | // Get the elements' length into rcx. |
| 1733 | __ SmiToInteger32(rcx, FieldOperand(rdi, FixedArray::kLengthOffset)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1734 | |
| 1735 | // Check if we could survive without allocation. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1736 | __ cmpl(rax, rcx); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1737 | __ j(greater, &attempt_to_grow_elements); |
| 1738 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1739 | // Check if value is a smi. |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1740 | __ movq(rcx, args.GetArgumentOperand(1)); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1741 | __ JumpIfNotSmi(rcx, &with_write_barrier); |
| 1742 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1743 | // Save new length. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1744 | __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rax); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1745 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1746 | // Store the value. |
| 1747 | __ movq(FieldOperand(rdi, |
| 1748 | rax, |
| 1749 | times_pointer_size, |
| 1750 | FixedArray::kHeaderSize - argc * kPointerSize), |
| 1751 | rcx); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1752 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1753 | __ Integer32ToSmi(rax, rax); // Return new length as smi. |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1754 | __ ret((argc + 1) * kPointerSize); |
| 1755 | |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1756 | __ bind(&check_double); |
| 1757 | |
| 1758 | // Check that the elements are in double mode. |
| 1759 | __ Cmp(FieldOperand(rdi, HeapObject::kMapOffset), |
| 1760 | factory()->fixed_double_array_map()); |
| 1761 | __ j(not_equal, &call_builtin); |
| 1762 | |
| 1763 | // Get the array's length into rax and calculate new length. |
| 1764 | __ SmiToInteger32(rax, FieldOperand(rdx, JSArray::kLengthOffset)); |
| 1765 | STATIC_ASSERT(FixedArray::kMaxLength < Smi::kMaxValue); |
| 1766 | __ addl(rax, Immediate(argc)); |
| 1767 | |
| 1768 | // Get the elements' length into rcx. |
| 1769 | __ SmiToInteger32(rcx, FieldOperand(rdi, FixedArray::kLengthOffset)); |
| 1770 | |
| 1771 | // Check if we could survive without allocation. |
| 1772 | __ cmpl(rax, rcx); |
| 1773 | __ j(greater, &call_builtin); |
| 1774 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1775 | __ movq(rcx, args.GetArgumentOperand(1)); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1776 | __ StoreNumberToDoubleElements( |
| 1777 | rcx, rdi, rax, xmm0, &call_builtin, argc * kDoubleSize); |
| 1778 | |
| 1779 | // Save new length. |
| 1780 | __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rax); |
| 1781 | __ Integer32ToSmi(rax, rax); // Return new length as smi. |
| 1782 | __ ret((argc + 1) * kPointerSize); |
| 1783 | |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1784 | __ bind(&with_write_barrier); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1785 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1786 | __ movq(rbx, FieldOperand(rdx, HeapObject::kMapOffset)); |
| 1787 | |
| 1788 | if (FLAG_smi_only_arrays && !FLAG_trace_elements_transitions) { |
| 1789 | Label fast_object, not_fast_object; |
| 1790 | __ CheckFastObjectElements(rbx, ¬_fast_object, Label::kNear); |
| 1791 | __ jmp(&fast_object); |
| 1792 | // In case of fast smi-only, convert to fast object, otherwise bail out. |
| 1793 | __ bind(¬_fast_object); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1794 | __ CheckFastSmiElements(rbx, &call_builtin); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1795 | __ Cmp(FieldOperand(rcx, HeapObject::kMapOffset), |
| 1796 | factory()->heap_number_map()); |
| 1797 | __ j(equal, &call_builtin); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1798 | // rdx: receiver |
| 1799 | // rbx: map |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1800 | |
| 1801 | Label try_holey_map; |
| 1802 | __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1803 | FAST_ELEMENTS, |
| 1804 | rbx, |
ulan@chromium.org | 65a89c2 | 2012-02-14 11:46:07 +0000 | [diff] [blame] | 1805 | rdi, |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1806 | &try_holey_map); |
| 1807 | |
| 1808 | ElementsTransitionGenerator:: |
yangguo@chromium.org | 46a2a51 | 2013-01-18 16:29:40 +0000 | [diff] [blame] | 1809 | GenerateMapChangeElementsTransition(masm(), |
| 1810 | DONT_TRACK_ALLOCATION_SITE, |
| 1811 | NULL); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1812 | // Restore edi. |
| 1813 | __ movq(rdi, FieldOperand(rdx, JSArray::kElementsOffset)); |
| 1814 | __ jmp(&fast_object); |
| 1815 | |
| 1816 | __ bind(&try_holey_map); |
| 1817 | __ LoadTransitionedArrayMapConditional(FAST_HOLEY_SMI_ELEMENTS, |
| 1818 | FAST_HOLEY_ELEMENTS, |
| 1819 | rbx, |
| 1820 | rdi, |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1821 | &call_builtin); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1822 | ElementsTransitionGenerator:: |
yangguo@chromium.org | 46a2a51 | 2013-01-18 16:29:40 +0000 | [diff] [blame] | 1823 | GenerateMapChangeElementsTransition(masm(), |
| 1824 | DONT_TRACK_ALLOCATION_SITE, |
| 1825 | NULL); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1826 | __ movq(rdi, FieldOperand(rdx, JSArray::kElementsOffset)); |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1827 | __ bind(&fast_object); |
| 1828 | } else { |
| 1829 | __ CheckFastObjectElements(rbx, &call_builtin); |
| 1830 | } |
| 1831 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1832 | // Save new length. |
| 1833 | __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rax); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1834 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1835 | // Store the value. |
| 1836 | __ lea(rdx, FieldOperand(rdi, |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1837 | rax, times_pointer_size, |
| 1838 | FixedArray::kHeaderSize - argc * kPointerSize)); |
| 1839 | __ movq(Operand(rdx, 0), rcx); |
| 1840 | |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1841 | __ RecordWrite(rdi, rdx, rcx, kDontSaveFPRegs, EMIT_REMEMBERED_SET, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1842 | OMIT_SMI_CHECK); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1843 | |
| 1844 | __ Integer32ToSmi(rax, rax); // Return new length as smi. |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1845 | __ ret((argc + 1) * kPointerSize); |
| 1846 | |
| 1847 | __ bind(&attempt_to_grow_elements); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1848 | if (!FLAG_inline_new) { |
| 1849 | __ jmp(&call_builtin); |
| 1850 | } |
| 1851 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1852 | __ movq(rbx, args.GetArgumentOperand(1)); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1853 | // Growing elements that are SMI-only requires special handling in case |
| 1854 | // the new element is non-Smi. For now, delegate to the builtin. |
| 1855 | Label no_fast_elements_check; |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1856 | __ JumpIfSmi(rbx, &no_fast_elements_check); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1857 | __ movq(rcx, FieldOperand(rdx, HeapObject::kMapOffset)); |
| 1858 | __ CheckFastObjectElements(rcx, &call_builtin, Label::kFar); |
svenpanne@chromium.org | a8bb4d9 | 2011-10-10 13:20:40 +0000 | [diff] [blame] | 1859 | __ bind(&no_fast_elements_check); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1860 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1861 | ExternalReference new_space_allocation_top = |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1862 | ExternalReference::new_space_allocation_top_address(isolate()); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1863 | ExternalReference new_space_allocation_limit = |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1864 | ExternalReference::new_space_allocation_limit_address(isolate()); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1865 | |
| 1866 | const int kAllocationDelta = 4; |
| 1867 | // Load top. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1868 | __ Load(rcx, new_space_allocation_top); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1869 | |
| 1870 | // Check if it's the end of elements. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1871 | __ lea(rdx, FieldOperand(rdi, |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1872 | rax, times_pointer_size, |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1873 | FixedArray::kHeaderSize - argc * kPointerSize)); |
| 1874 | __ cmpq(rdx, rcx); |
| 1875 | __ j(not_equal, &call_builtin); |
| 1876 | __ addq(rcx, Immediate(kAllocationDelta * kPointerSize)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1877 | Operand limit_operand = |
| 1878 | masm()->ExternalOperand(new_space_allocation_limit); |
| 1879 | __ cmpq(rcx, limit_operand); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1880 | __ j(above, &call_builtin); |
| 1881 | |
| 1882 | // We fit and could grow elements. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1883 | __ Store(new_space_allocation_top, rcx); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1884 | |
| 1885 | // Push the argument... |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1886 | __ movq(Operand(rdx, 0), rbx); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1887 | // ... and fill the rest with holes. |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1888 | __ LoadRoot(kScratchRegister, Heap::kTheHoleValueRootIndex); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1889 | for (int i = 1; i < kAllocationDelta; i++) { |
| 1890 | __ movq(Operand(rdx, i * kPointerSize), kScratchRegister); |
| 1891 | } |
| 1892 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1893 | // We know the elements array is in new space so we don't need the |
| 1894 | // remembered set, but we just pushed a value onto it so we may have to |
| 1895 | // tell the incremental marker to rescan the object that we just grew. We |
| 1896 | // don't need to worry about the holes because they are in old space and |
| 1897 | // already marked black. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1898 | __ RecordWrite(rdi, rdx, rbx, kDontSaveFPRegs, OMIT_REMEMBERED_SET); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1899 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1900 | // Restore receiver to rdx as finish sequence assumes it's here. |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1901 | __ movq(rdx, args.GetReceiverOperand()); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1902 | |
| 1903 | // Increment element's and array's sizes. |
yangguo@chromium.org | 78d1ad4 | 2012-02-09 13:53:47 +0000 | [diff] [blame] | 1904 | __ SmiAddConstant(FieldOperand(rdi, FixedArray::kLengthOffset), |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 1905 | Smi::FromInt(kAllocationDelta)); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1906 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1907 | // Make new length a smi before returning it. |
| 1908 | __ Integer32ToSmi(rax, rax); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1909 | __ movq(FieldOperand(rdx, JSArray::kLengthOffset), rax); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1910 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1911 | __ ret((argc + 1) * kPointerSize); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1912 | } |
| 1913 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1914 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1915 | __ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPush, |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1916 | isolate()), |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1917 | argc + 1, |
| 1918 | 1); |
| 1919 | } |
| 1920 | |
| 1921 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1922 | GenerateMissBranch(); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1923 | |
| 1924 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1925 | return GetCode(type, name); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1926 | } |
| 1927 | |
| 1928 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1929 | Handle<Code> CallStubCompiler::CompileArrayPopCall( |
| 1930 | Handle<Object> object, |
| 1931 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 1932 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1933 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 1934 | Handle<String> name, |
| 1935 | Code::StubType type) { |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1936 | // ----------- S t a t e ------------- |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1937 | // -- rcx : name |
| 1938 | // -- rsp[0] : return address |
| 1939 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1940 | // -- ... |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1941 | // -- rsp[(argc + 1) * 8] : receiver |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1942 | // ----------------------------------- |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1943 | |
| 1944 | // If object is not an array, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1945 | if (!object->IsJSArray() || !cell.is_null()) return Handle<Code>::null(); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1946 | |
| 1947 | Label miss, return_undefined, call_builtin; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1948 | GenerateNameCheck(name, &miss); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 1949 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1950 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 1951 | StackArgumentsAccessor args(rsp, argc); |
| 1952 | __ movq(rdx, args.GetReceiverOperand()); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1953 | |
| 1954 | // Check that the receiver isn't a smi. |
| 1955 | __ JumpIfSmi(rdx, &miss); |
| 1956 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1957 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 1958 | name, &miss); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1959 | |
| 1960 | // Get the elements array of the object. |
| 1961 | __ movq(rbx, FieldOperand(rdx, JSArray::kElementsOffset)); |
| 1962 | |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1963 | // Check that the elements are in fast mode and writable. |
| 1964 | __ CompareRoot(FieldOperand(rbx, HeapObject::kMapOffset), |
| 1965 | Heap::kFixedArrayMapRootIndex); |
| 1966 | __ j(not_equal, &call_builtin); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1967 | |
| 1968 | // Get the array's length into rcx and calculate new length. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1969 | __ SmiToInteger32(rcx, FieldOperand(rdx, JSArray::kLengthOffset)); |
| 1970 | __ subl(rcx, Immediate(1)); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1971 | __ j(negative, &return_undefined); |
| 1972 | |
| 1973 | // Get the last element. |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1974 | __ LoadRoot(r9, Heap::kTheHoleValueRootIndex); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1975 | __ movq(rax, FieldOperand(rbx, |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1976 | rcx, times_pointer_size, |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1977 | FixedArray::kHeaderSize)); |
| 1978 | // Check if element is already the hole. |
| 1979 | __ cmpq(rax, r9); |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1980 | // If so, call slow-case to also check prototypes for value. |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1981 | __ j(equal, &call_builtin); |
| 1982 | |
| 1983 | // Set the array's length. |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1984 | __ Integer32ToSmiField(FieldOperand(rdx, JSArray::kLengthOffset), rcx); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1985 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1986 | // Fill with the hole and return original value. |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1987 | __ movq(FieldOperand(rbx, |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 1988 | rcx, times_pointer_size, |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1989 | FixedArray::kHeaderSize), |
| 1990 | r9); |
| 1991 | __ ret((argc + 1) * kPointerSize); |
| 1992 | |
| 1993 | __ bind(&return_undefined); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1994 | __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 1995 | __ ret((argc + 1) * kPointerSize); |
| 1996 | |
| 1997 | __ bind(&call_builtin); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1998 | __ TailCallExternalReference( |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1999 | ExternalReference(Builtins::c_ArrayPop, isolate()), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2000 | argc + 1, |
| 2001 | 1); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 2002 | |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 2003 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2004 | GenerateMissBranch(); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 2005 | |
| 2006 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2007 | return GetCode(type, name); |
ager@chromium.org | ac091b7 | 2010-05-05 07:34:42 +0000 | [diff] [blame] | 2008 | } |
| 2009 | |
| 2010 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2011 | Handle<Code> CallStubCompiler::CompileStringCharCodeAtCall( |
| 2012 | Handle<Object> object, |
| 2013 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2014 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2015 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2016 | Handle<String> name, |
| 2017 | Code::StubType type) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2018 | // ----------- S t a t e ------------- |
| 2019 | // -- rcx : function name |
| 2020 | // -- rsp[0] : return address |
| 2021 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
| 2022 | // -- ... |
| 2023 | // -- rsp[(argc + 1) * 8] : receiver |
| 2024 | // ----------------------------------- |
| 2025 | |
| 2026 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2027 | if (!object->IsString() || !cell.is_null()) return Handle<Code>::null(); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2028 | |
| 2029 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2030 | StackArgumentsAccessor args(rsp, argc); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2031 | |
| 2032 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2033 | Label name_miss; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2034 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2035 | Label* index_out_of_range_label = &index_out_of_range; |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2036 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2037 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2038 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2039 | index_out_of_range_label = &miss; |
| 2040 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2041 | GenerateNameCheck(name, &name_miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2042 | |
| 2043 | // Check that the maps starting from the prototype haven't changed. |
| 2044 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 2045 | Context::STRING_FUNCTION_INDEX, |
| 2046 | rax, |
| 2047 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2048 | ASSERT(!object.is_identical_to(holder)); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2049 | CheckPrototypes( |
| 2050 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2051 | rax, holder, rbx, rdx, rdi, name, &miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2052 | |
| 2053 | Register receiver = rbx; |
| 2054 | Register index = rdi; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2055 | Register result = rax; |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2056 | __ movq(receiver, args.GetReceiverOperand()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2057 | if (argc > 0) { |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2058 | __ movq(index, args.GetArgumentOperand(1)); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2059 | } else { |
| 2060 | __ LoadRoot(index, Heap::kUndefinedValueRootIndex); |
| 2061 | } |
| 2062 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2063 | StringCharCodeAtGenerator generator(receiver, |
| 2064 | index, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2065 | result, |
| 2066 | &miss, // When not a string. |
| 2067 | &miss, // When not a number. |
| 2068 | index_out_of_range_label, |
| 2069 | STRING_INDEX_IS_NUMBER); |
| 2070 | generator.GenerateFast(masm()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2071 | __ ret((argc + 1) * kPointerSize); |
| 2072 | |
| 2073 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2074 | generator.GenerateSlow(masm(), call_helper); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2075 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2076 | if (index_out_of_range.is_linked()) { |
| 2077 | __ bind(&index_out_of_range); |
| 2078 | __ LoadRoot(rax, Heap::kNanValueRootIndex); |
| 2079 | __ ret((argc + 1) * kPointerSize); |
| 2080 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2081 | |
| 2082 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2083 | // Restore function name in rcx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2084 | __ Move(rcx, name); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2085 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2086 | GenerateMissBranch(); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2087 | |
| 2088 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2089 | return GetCode(type, name); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2090 | } |
| 2091 | |
| 2092 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2093 | Handle<Code> CallStubCompiler::CompileStringCharAtCall( |
| 2094 | Handle<Object> object, |
| 2095 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2096 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2097 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2098 | Handle<String> name, |
| 2099 | Code::StubType type) { |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2100 | // ----------- S t a t e ------------- |
| 2101 | // -- rcx : function name |
| 2102 | // -- rsp[0] : return address |
| 2103 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
| 2104 | // -- ... |
| 2105 | // -- rsp[(argc + 1) * 8] : receiver |
| 2106 | // ----------------------------------- |
| 2107 | |
| 2108 | // If object is not a string, bail out to regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2109 | if (!object->IsString() || !cell.is_null()) return Handle<Code>::null(); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2110 | |
| 2111 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2112 | StackArgumentsAccessor args(rsp, argc); |
| 2113 | |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2114 | Label miss; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2115 | Label name_miss; |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2116 | Label index_out_of_range; |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2117 | Label* index_out_of_range_label = &index_out_of_range; |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2118 | if (kind_ == Code::CALL_IC && |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2119 | (CallICBase::StringStubState::decode(extra_state_) == |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2120 | DEFAULT_STRING_STUB)) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2121 | index_out_of_range_label = &miss; |
| 2122 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2123 | GenerateNameCheck(name, &name_miss); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2124 | |
| 2125 | // Check that the maps starting from the prototype haven't changed. |
| 2126 | GenerateDirectLoadGlobalFunctionPrototype(masm(), |
| 2127 | Context::STRING_FUNCTION_INDEX, |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2128 | rax, |
| 2129 | &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2130 | ASSERT(!object.is_identical_to(holder)); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2131 | CheckPrototypes( |
| 2132 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2133 | rax, holder, rbx, rdx, rdi, name, &miss); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2134 | |
| 2135 | Register receiver = rax; |
| 2136 | Register index = rdi; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 2137 | Register scratch = rdx; |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2138 | Register result = rax; |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2139 | __ movq(receiver, args.GetReceiverOperand()); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2140 | if (argc > 0) { |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2141 | __ movq(index, args.GetArgumentOperand(1)); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2142 | } else { |
| 2143 | __ LoadRoot(index, Heap::kUndefinedValueRootIndex); |
| 2144 | } |
| 2145 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2146 | StringCharAtGenerator generator(receiver, |
| 2147 | index, |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 2148 | scratch, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2149 | result, |
| 2150 | &miss, // When not a string. |
| 2151 | &miss, // When not a number. |
| 2152 | index_out_of_range_label, |
| 2153 | STRING_INDEX_IS_NUMBER); |
| 2154 | generator.GenerateFast(masm()); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2155 | __ ret((argc + 1) * kPointerSize); |
| 2156 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2157 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2158 | generator.GenerateSlow(masm(), call_helper); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2159 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2160 | if (index_out_of_range.is_linked()) { |
| 2161 | __ bind(&index_out_of_range); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2162 | __ LoadRoot(rax, Heap::kempty_stringRootIndex); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2163 | __ ret((argc + 1) * kPointerSize); |
| 2164 | } |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2165 | __ bind(&miss); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2166 | // Restore function name in rcx. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2167 | __ Move(rcx, name); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 2168 | __ bind(&name_miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2169 | GenerateMissBranch(); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 2170 | |
| 2171 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2172 | return GetCode(type, name); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2173 | } |
| 2174 | |
| 2175 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2176 | Handle<Code> CallStubCompiler::CompileStringFromCharCodeCall( |
| 2177 | Handle<Object> object, |
| 2178 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2179 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2180 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2181 | Handle<String> name, |
| 2182 | Code::StubType type) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2183 | // ----------- S t a t e ------------- |
| 2184 | // -- rcx : function name |
| 2185 | // -- rsp[0] : return address |
| 2186 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
| 2187 | // -- ... |
| 2188 | // -- rsp[(argc + 1) * 8] : receiver |
| 2189 | // ----------------------------------- |
| 2190 | |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2191 | // If the object is not a JSObject or we got an unexpected number of |
| 2192 | // arguments, bail out to the regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2193 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2194 | StackArgumentsAccessor args(rsp, argc); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2195 | if (!object->IsJSObject() || argc != 1) return Handle<Code>::null(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2196 | |
| 2197 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2198 | GenerateNameCheck(name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2199 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2200 | if (cell.is_null()) { |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2201 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2202 | __ JumpIfSmi(rdx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2203 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 2204 | name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2205 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2206 | ASSERT(cell->value() == *function); |
| 2207 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2208 | &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2209 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2210 | } |
| 2211 | |
| 2212 | // Load the char code argument. |
| 2213 | Register code = rbx; |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2214 | __ movq(code, args.GetArgumentOperand(1)); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2215 | |
| 2216 | // Check the code is a smi. |
| 2217 | Label slow; |
| 2218 | __ JumpIfNotSmi(code, &slow); |
| 2219 | |
| 2220 | // Convert the smi code to uint16. |
| 2221 | __ SmiAndConstant(code, code, Smi::FromInt(0xffff)); |
| 2222 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2223 | StringCharFromCodeGenerator generator(code, rax); |
| 2224 | generator.GenerateFast(masm()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2225 | __ ret(2 * kPointerSize); |
| 2226 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2227 | StubRuntimeCallHelper call_helper; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2228 | generator.GenerateSlow(masm(), call_helper); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2229 | |
| 2230 | // Tail call the full function. We do not have to patch the receiver |
| 2231 | // because the function makes no use of it. |
| 2232 | __ bind(&slow); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2233 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2234 | ? CALL_AS_FUNCTION |
| 2235 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2236 | ParameterCount expected(function); |
| 2237 | __ InvokeFunction(function, expected, arguments(), |
| 2238 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2239 | |
| 2240 | __ bind(&miss); |
| 2241 | // rcx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2242 | GenerateMissBranch(); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2243 | |
| 2244 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2245 | return GetCode(type, name); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2246 | } |
| 2247 | |
| 2248 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2249 | Handle<Code> CallStubCompiler::CompileMathFloorCall( |
| 2250 | Handle<Object> object, |
| 2251 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2252 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2253 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2254 | Handle<String> name, |
| 2255 | Code::StubType type) { |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2256 | // ----------- S t a t e ------------- |
| 2257 | // -- rcx : name |
| 2258 | // -- rsp[0] : return address |
| 2259 | // -- rsp[(argc - n) * 4] : arg[n] (zero-based) |
| 2260 | // -- ... |
| 2261 | // -- rsp[(argc + 1) * 4] : receiver |
| 2262 | // ----------------------------------- |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2263 | const int argc = arguments().immediate(); |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2264 | StackArgumentsAccessor args(rsp, argc); |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2265 | |
| 2266 | // If the object is not a JSObject or we got an unexpected number of |
| 2267 | // arguments, bail out to the regular call. |
| 2268 | if (!object->IsJSObject() || argc != 1) { |
| 2269 | return Handle<Code>::null(); |
| 2270 | } |
| 2271 | |
| 2272 | Label miss; |
| 2273 | GenerateNameCheck(name, &miss); |
| 2274 | |
| 2275 | if (cell.is_null()) { |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2276 | __ movq(rdx, args.GetReceiverOperand()); |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2277 | |
| 2278 | STATIC_ASSERT(kSmiTag == 0); |
| 2279 | __ JumpIfSmi(rdx, &miss); |
| 2280 | |
| 2281 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 2282 | name, &miss); |
| 2283 | } else { |
| 2284 | ASSERT(cell->value() == *function); |
| 2285 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2286 | &miss); |
| 2287 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2288 | } |
| 2289 | |
| 2290 | // Load the (only) argument into rax. |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2291 | __ movq(rax, args.GetArgumentOperand(1)); |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2292 | |
| 2293 | // Check if the argument is a smi. |
| 2294 | Label smi; |
| 2295 | STATIC_ASSERT(kSmiTag == 0); |
| 2296 | __ JumpIfSmi(rax, &smi); |
| 2297 | |
| 2298 | // Check if the argument is a heap number and load its value into xmm0. |
| 2299 | Label slow; |
| 2300 | __ CheckMap(rax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
| 2301 | __ movsd(xmm0, FieldOperand(rax, HeapNumber::kValueOffset)); |
| 2302 | |
| 2303 | // Check if the argument is strictly positive. Note this also discards NaN. |
| 2304 | __ xorpd(xmm1, xmm1); |
| 2305 | __ ucomisd(xmm0, xmm1); |
| 2306 | __ j(below_equal, &slow); |
| 2307 | |
| 2308 | // Do a truncating conversion. |
| 2309 | __ cvttsd2si(rax, xmm0); |
| 2310 | |
| 2311 | // Checks for 0x80000000 which signals a failed conversion. |
| 2312 | Label conversion_failure; |
| 2313 | __ cmpl(rax, Immediate(0x80000000)); |
| 2314 | __ j(equal, &conversion_failure); |
| 2315 | |
| 2316 | // Smi tag and return. |
| 2317 | __ Integer32ToSmi(rax, rax); |
| 2318 | __ bind(&smi); |
| 2319 | __ ret(2 * kPointerSize); |
| 2320 | |
| 2321 | // Check if the argument is < 2^kMantissaBits. |
| 2322 | Label already_round; |
| 2323 | __ bind(&conversion_failure); |
| 2324 | int64_t kTwoMantissaBits= V8_INT64_C(0x4330000000000000); |
| 2325 | __ movq(rbx, kTwoMantissaBits, RelocInfo::NONE64); |
| 2326 | __ movq(xmm1, rbx); |
| 2327 | __ ucomisd(xmm0, xmm1); |
| 2328 | __ j(above_equal, &already_round); |
| 2329 | |
| 2330 | // Save a copy of the argument. |
| 2331 | __ movaps(xmm2, xmm0); |
| 2332 | |
| 2333 | // Compute (argument + 2^kMantissaBits) - 2^kMantissaBits. |
| 2334 | __ addsd(xmm0, xmm1); |
| 2335 | __ subsd(xmm0, xmm1); |
| 2336 | |
| 2337 | // Compare the argument and the tentative result to get the right mask: |
| 2338 | // if xmm2 < xmm0: |
| 2339 | // xmm2 = 1...1 |
| 2340 | // else: |
| 2341 | // xmm2 = 0...0 |
| 2342 | __ cmpltsd(xmm2, xmm0); |
| 2343 | |
| 2344 | // Subtract 1 if the argument was less than the tentative result. |
| 2345 | int64_t kOne = V8_INT64_C(0x3ff0000000000000); |
| 2346 | __ movq(rbx, kOne, RelocInfo::NONE64); |
| 2347 | __ movq(xmm1, rbx); |
| 2348 | __ andpd(xmm1, xmm2); |
| 2349 | __ subsd(xmm0, xmm1); |
| 2350 | |
| 2351 | // Return a new heap number. |
| 2352 | __ AllocateHeapNumber(rax, rbx, &slow); |
| 2353 | __ movsd(FieldOperand(rax, HeapNumber::kValueOffset), xmm0); |
| 2354 | __ ret(2 * kPointerSize); |
| 2355 | |
| 2356 | // Return the argument (when it's an already round heap number). |
| 2357 | __ bind(&already_round); |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2358 | __ movq(rax, args.GetArgumentOperand(1)); |
jkummerow@chromium.org | 1e8da74 | 2013-08-26 17:13:35 +0000 | [diff] [blame] | 2359 | __ ret(2 * kPointerSize); |
| 2360 | |
| 2361 | // Tail call the full function. We do not have to patch the receiver |
| 2362 | // because the function makes no use of it. |
| 2363 | __ bind(&slow); |
| 2364 | ParameterCount expected(function); |
| 2365 | __ InvokeFunction(function, expected, arguments(), |
| 2366 | JUMP_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
| 2367 | |
| 2368 | __ bind(&miss); |
| 2369 | // rcx: function name. |
| 2370 | GenerateMissBranch(); |
| 2371 | |
| 2372 | // Return the generated code. |
| 2373 | return GetCode(type, name); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2374 | } |
| 2375 | |
| 2376 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2377 | Handle<Code> CallStubCompiler::CompileMathAbsCall( |
| 2378 | Handle<Object> object, |
| 2379 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2380 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2381 | Handle<JSFunction> function, |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2382 | Handle<String> name, |
| 2383 | Code::StubType type) { |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2384 | // ----------- S t a t e ------------- |
| 2385 | // -- rcx : function name |
| 2386 | // -- rsp[0] : return address |
| 2387 | // -- rsp[(argc - n) * 8] : arg[n] (zero-based) |
| 2388 | // -- ... |
| 2389 | // -- rsp[(argc + 1) * 8] : receiver |
| 2390 | // ----------------------------------- |
| 2391 | |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2392 | // If the object is not a JSObject or we got an unexpected number of |
| 2393 | // arguments, bail out to the regular call. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2394 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2395 | StackArgumentsAccessor args(rsp, argc); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2396 | if (!object->IsJSObject() || argc != 1) return Handle<Code>::null(); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2397 | |
| 2398 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2399 | GenerateNameCheck(name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2400 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2401 | if (cell.is_null()) { |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2402 | __ movq(rdx, args.GetReceiverOperand()); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2403 | __ JumpIfSmi(rdx, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2404 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 2405 | name, &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2406 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2407 | ASSERT(cell->value() == *function); |
| 2408 | GenerateGlobalReceiverCheck(Handle<JSObject>::cast(object), holder, name, |
| 2409 | &miss); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2410 | GenerateLoadFunctionFromCell(cell, function, &miss); |
| 2411 | } |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2412 | // Load the (only) argument into rax. |
jkummerow@chromium.org | d8a3a14 | 2013-10-03 12:15:05 +0000 | [diff] [blame] | 2413 | __ movq(rax, args.GetArgumentOperand(1)); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2414 | |
| 2415 | // Check if the argument is a smi. |
| 2416 | Label not_smi; |
| 2417 | STATIC_ASSERT(kSmiTag == 0); |
| 2418 | __ JumpIfNotSmi(rax, ¬_smi); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2419 | |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2420 | // Branchless abs implementation, refer to below: |
| 2421 | // http://graphics.stanford.edu/~seander/bithacks.html#IntegerAbs |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2422 | // Set ebx to 1...1 (== -1) if the argument is negative, or to 0...0 |
| 2423 | // otherwise. |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2424 | __ movq(rbx, rax); |
| 2425 | __ sar(rbx, Immediate(kBitsPerPointer - 1)); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2426 | |
| 2427 | // Do bitwise not or do nothing depending on ebx. |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2428 | __ xor_(rax, rbx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2429 | |
| 2430 | // Add 1 or do nothing depending on ebx. |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2431 | __ subq(rax, rbx); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2432 | |
| 2433 | // If the result is still negative, go to the slow case. |
| 2434 | // This only happens for the most negative smi. |
| 2435 | Label slow; |
| 2436 | __ j(negative, &slow); |
| 2437 | |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2438 | __ ret(2 * kPointerSize); |
| 2439 | |
| 2440 | // Check if the argument is a heap number and load its value. |
| 2441 | __ bind(¬_smi); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2442 | __ CheckMap(rax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2443 | __ movq(rbx, FieldOperand(rax, HeapNumber::kValueOffset)); |
| 2444 | |
| 2445 | // Check the sign of the argument. If the argument is positive, |
| 2446 | // just return it. |
| 2447 | Label negative_sign; |
| 2448 | const int sign_mask_shift = |
| 2449 | (HeapNumber::kExponentOffset - HeapNumber::kValueOffset) * kBitsPerByte; |
| 2450 | __ movq(rdi, static_cast<int64_t>(HeapNumber::kSignMask) << sign_mask_shift, |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 2451 | RelocInfo::NONE64); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2452 | __ testq(rbx, rdi); |
| 2453 | __ j(not_zero, &negative_sign); |
| 2454 | __ ret(2 * kPointerSize); |
| 2455 | |
| 2456 | // If the argument is negative, clear the sign, and return a new |
| 2457 | // number. We still have the sign mask in rdi. |
| 2458 | __ bind(&negative_sign); |
| 2459 | __ xor_(rbx, rdi); |
| 2460 | __ AllocateHeapNumber(rax, rdx, &slow); |
| 2461 | __ movq(FieldOperand(rax, HeapNumber::kValueOffset), rbx); |
| 2462 | __ ret(2 * kPointerSize); |
| 2463 | |
| 2464 | // Tail call the full function. We do not have to patch the receiver |
| 2465 | // because the function makes no use of it. |
| 2466 | __ bind(&slow); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2467 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2468 | ? CALL_AS_FUNCTION |
| 2469 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2470 | ParameterCount expected(function); |
| 2471 | __ InvokeFunction(function, expected, arguments(), |
| 2472 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2473 | |
| 2474 | __ bind(&miss); |
| 2475 | // rcx: function name. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2476 | GenerateMissBranch(); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2477 | |
| 2478 | // Return the generated code. |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2479 | return GetCode(type, name); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 2480 | } |
| 2481 | |
| 2482 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2483 | Handle<Code> CallStubCompiler::CompileFastApiCall( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2484 | const CallOptimization& optimization, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2485 | Handle<Object> object, |
| 2486 | Handle<JSObject> holder, |
danno@chromium.org | 4172848 | 2013-06-12 22:31:22 +0000 | [diff] [blame] | 2487 | Handle<Cell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2488 | Handle<JSFunction> function, |
| 2489 | Handle<String> name) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2490 | ASSERT(optimization.is_simple_api_call()); |
| 2491 | // Bail out if object is a global object as we don't want to |
| 2492 | // repatch it to global receiver. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2493 | if (object->IsGlobalObject()) return Handle<Code>::null(); |
| 2494 | if (!cell.is_null()) return Handle<Code>::null(); |
| 2495 | if (!object->IsJSObject()) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2496 | int depth = optimization.GetPrototypeDepthOfExpectedType( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2497 | Handle<JSObject>::cast(object), holder); |
| 2498 | if (depth == kInvalidProtoDepth) return Handle<Code>::null(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2499 | |
| 2500 | Label miss, miss_before_stack_reserved; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2501 | GenerateNameCheck(name, &miss_before_stack_reserved); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2502 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2503 | const int argc = arguments().immediate(); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2504 | StackArgumentsAccessor args(rsp, argc); |
| 2505 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2506 | |
| 2507 | // Check that the receiver isn't a smi. |
| 2508 | __ JumpIfSmi(rdx, &miss_before_stack_reserved); |
| 2509 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2510 | Counters* counters = isolate()->counters(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2511 | __ IncrementCounter(counters->call_const(), 1); |
| 2512 | __ IncrementCounter(counters->call_const_fast_api(), 1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2513 | |
| 2514 | // Allocate space for v8::Arguments implicit values. Must be initialized |
| 2515 | // before calling any runtime function. |
| 2516 | __ subq(rsp, Immediate(kFastApiCallArguments * kPointerSize)); |
| 2517 | |
| 2518 | // 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] | 2519 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, rdi, |
| 2520 | name, depth, &miss); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2521 | |
| 2522 | // Move the return address on top of the stack. |
danno@chromium.org | d3c4210 | 2013-08-01 16:58:23 +0000 | [diff] [blame] | 2523 | __ movq(rax, |
| 2524 | StackOperandForReturnAddress(kFastApiCallArguments * kPointerSize)); |
| 2525 | __ movq(StackOperandForReturnAddress(0), rax); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2526 | |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 2527 | GenerateFastApiCall(masm(), optimization, argc, false); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2528 | |
| 2529 | __ bind(&miss); |
| 2530 | __ addq(rsp, Immediate(kFastApiCallArguments * kPointerSize)); |
| 2531 | |
| 2532 | __ bind(&miss_before_stack_reserved); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2533 | GenerateMissBranch(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2534 | |
| 2535 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2536 | return GetCode(function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2537 | } |
| 2538 | |
| 2539 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2540 | void CallStubCompiler::CompileHandlerFrontend(Handle<Object> object, |
| 2541 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2542 | Handle<Name> name, |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2543 | CheckType check, |
| 2544 | Label* success) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2545 | // ----------- S t a t e ------------- |
| 2546 | // rcx : function name |
| 2547 | // rsp[0] : return address |
| 2548 | // rsp[8] : argument argc |
| 2549 | // rsp[16] : argument argc - 1 |
| 2550 | // ... |
| 2551 | // rsp[argc * 8] : argument 1 |
| 2552 | // rsp[(argc + 1) * 8] : argument 0 = receiver |
| 2553 | // ----------------------------------- |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2554 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2555 | GenerateNameCheck(name, &miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2556 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2557 | StackArgumentsAccessor args(rsp, arguments()); |
| 2558 | __ movq(rdx, args.GetReceiverOperand()); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2559 | |
| 2560 | // Check that the receiver isn't a smi. |
| 2561 | if (check != NUMBER_CHECK) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2562 | __ JumpIfSmi(rdx, &miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2563 | } |
| 2564 | |
| 2565 | // Make sure that it's okay not to patch the on stack receiver |
| 2566 | // unless we're doing a receiver map check. |
| 2567 | ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
| 2568 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2569 | Counters* counters = isolate()->counters(); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2570 | switch (check) { |
| 2571 | case RECEIVER_MAP_CHECK: |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2572 | __ IncrementCounter(counters->call_const(), 1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2573 | |
| 2574 | // Check that the maps haven't changed. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2575 | CheckPrototypes(Handle<JSObject>::cast(object), rdx, holder, rbx, rax, |
| 2576 | rdi, name, &miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2577 | |
| 2578 | // Patch the receiver on the stack with the global proxy if |
| 2579 | // necessary. |
| 2580 | if (object->IsGlobalObject()) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2581 | __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset)); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2582 | __ movq(args.GetReceiverOperand(), rdx); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2583 | } |
| 2584 | break; |
| 2585 | |
| 2586 | case STRING_CHECK: |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2587 | // Check that the object is a string. |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2588 | __ CmpObjectType(rdx, FIRST_NONSTRING_TYPE, rax); |
| 2589 | __ j(above_equal, &miss); |
| 2590 | // Check that the maps starting from the prototype haven't changed. |
| 2591 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2592 | masm(), Context::STRING_FUNCTION_INDEX, rax, &miss); |
| 2593 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2594 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2595 | rax, holder, rbx, rdx, rdi, name, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2596 | break; |
| 2597 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2598 | case SYMBOL_CHECK: |
| 2599 | // Check that the object is a symbol. |
| 2600 | __ CmpObjectType(rdx, SYMBOL_TYPE, rax); |
| 2601 | __ j(not_equal, &miss); |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 2602 | // Check that the maps starting from the prototype haven't changed. |
| 2603 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2604 | masm(), Context::SYMBOL_FUNCTION_INDEX, rax, &miss); |
| 2605 | CheckPrototypes( |
| 2606 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
| 2607 | rax, holder, rbx, rdx, rdi, name, &miss); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2608 | break; |
| 2609 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2610 | case NUMBER_CHECK: { |
| 2611 | Label fast; |
| 2612 | // Check that the object is a smi or a heap number. |
| 2613 | __ JumpIfSmi(rdx, &fast); |
| 2614 | __ CmpObjectType(rdx, HEAP_NUMBER_TYPE, rax); |
| 2615 | __ j(not_equal, &miss); |
| 2616 | __ bind(&fast); |
| 2617 | // Check that the maps starting from the prototype haven't changed. |
| 2618 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2619 | masm(), Context::NUMBER_FUNCTION_INDEX, rax, &miss); |
| 2620 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2621 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2622 | rax, holder, rbx, rdx, rdi, name, &miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2623 | break; |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2624 | } |
| 2625 | case BOOLEAN_CHECK: { |
| 2626 | Label fast; |
| 2627 | // Check that the object is a boolean. |
| 2628 | __ CompareRoot(rdx, Heap::kTrueValueRootIndex); |
| 2629 | __ j(equal, &fast); |
| 2630 | __ CompareRoot(rdx, Heap::kFalseValueRootIndex); |
| 2631 | __ j(not_equal, &miss); |
| 2632 | __ bind(&fast); |
| 2633 | // Check that the maps starting from the prototype haven't changed. |
| 2634 | GenerateDirectLoadGlobalFunctionPrototype( |
| 2635 | masm(), Context::BOOLEAN_FUNCTION_INDEX, rax, &miss); |
| 2636 | CheckPrototypes( |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2637 | Handle<JSObject>(JSObject::cast(object->GetPrototype(isolate()))), |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2638 | rax, holder, rbx, rdx, rdi, name, &miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2639 | break; |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2640 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2641 | } |
| 2642 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2643 | __ jmp(success); |
| 2644 | |
| 2645 | // Handle call cache miss. |
| 2646 | __ bind(&miss); |
| 2647 | GenerateMissBranch(); |
| 2648 | } |
| 2649 | |
| 2650 | |
| 2651 | void CallStubCompiler::CompileHandlerBackend(Handle<JSFunction> function) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2652 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2653 | ? CALL_AS_FUNCTION |
| 2654 | : CALL_AS_METHOD; |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2655 | ParameterCount expected(function); |
| 2656 | __ InvokeFunction(function, expected, arguments(), |
| 2657 | JUMP_FUNCTION, NullCallWrapper(), call_kind); |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2658 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2659 | |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2660 | |
| 2661 | Handle<Code> CallStubCompiler::CompileCallConstant( |
| 2662 | Handle<Object> object, |
| 2663 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2664 | Handle<Name> name, |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2665 | CheckType check, |
| 2666 | Handle<JSFunction> function) { |
| 2667 | if (HasCustomCallGenerator(function)) { |
| 2668 | Handle<Code> code = CompileCustomCall(object, holder, |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 2669 | Handle<PropertyCell>::null(), |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2670 | function, Handle<String>::cast(name), |
jkummerow@chromium.org | fb732b1 | 2013-07-26 10:27:09 +0000 | [diff] [blame] | 2671 | Code::CONSTANT); |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2672 | // A null handle means bail out to the regular compiler code below. |
| 2673 | if (!code.is_null()) return code; |
| 2674 | } |
| 2675 | |
| 2676 | Label success; |
| 2677 | |
| 2678 | CompileHandlerFrontend(object, holder, name, check, &success); |
| 2679 | __ bind(&success); |
| 2680 | CompileHandlerBackend(function); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2681 | |
| 2682 | // Return the generated code. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2683 | return GetCode(function); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2684 | } |
| 2685 | |
| 2686 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2687 | Handle<Code> CallStubCompiler::CompileCallInterceptor(Handle<JSObject> object, |
| 2688 | Handle<JSObject> holder, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2689 | Handle<Name> name) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2690 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2691 | // rcx : function name |
| 2692 | // rsp[0] : return address |
| 2693 | // rsp[8] : argument argc |
| 2694 | // rsp[16] : argument argc - 1 |
| 2695 | // ... |
| 2696 | // rsp[argc * 8] : argument 1 |
| 2697 | // rsp[(argc + 1) * 8] : argument 0 = receiver |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2698 | // ----------------------------------- |
| 2699 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2700 | GenerateNameCheck(name, &miss); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 2701 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2702 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2703 | LookupResult lookup(isolate()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2704 | LookupPostInterceptor(holder, name, &lookup); |
| 2705 | |
| 2706 | // Get the receiver from the stack. |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2707 | StackArgumentsAccessor args(rsp, arguments()); |
| 2708 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2709 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2710 | CallInterceptorCompiler compiler(this, arguments(), rcx, extra_state_); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2711 | compiler.Compile(masm(), object, holder, name, &lookup, rdx, rbx, rdi, rax, |
| 2712 | &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2713 | |
| 2714 | // Restore receiver. |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2715 | __ movq(rdx, args.GetReceiverOperand()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2716 | |
| 2717 | // Check that the function really is a function. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 2718 | __ JumpIfSmi(rax, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2719 | __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); |
| 2720 | __ j(not_equal, &miss); |
| 2721 | |
| 2722 | // Patch the receiver on the stack with the global proxy if |
| 2723 | // necessary. |
| 2724 | if (object->IsGlobalObject()) { |
| 2725 | __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset)); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2726 | __ movq(args.GetReceiverOperand(), rdx); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2727 | } |
| 2728 | |
| 2729 | // Invoke the function. |
| 2730 | __ movq(rdi, rax); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2731 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 2732 | ? CALL_AS_FUNCTION |
| 2733 | : CALL_AS_METHOD; |
| 2734 | __ InvokeFunction(rdi, arguments(), JUMP_FUNCTION, |
| 2735 | NullCallWrapper(), call_kind); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2736 | |
| 2737 | // Handle load cache miss. |
| 2738 | __ bind(&miss); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2739 | GenerateMissBranch(); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2740 | |
| 2741 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2742 | return GetCode(Code::INTERCEPTOR, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2743 | } |
| 2744 | |
| 2745 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2746 | Handle<Code> CallStubCompiler::CompileCallGlobal( |
| 2747 | Handle<JSObject> object, |
| 2748 | Handle<GlobalObject> holder, |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 2749 | Handle<PropertyCell> cell, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2750 | Handle<JSFunction> function, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2751 | Handle<Name> name) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2752 | // ----------- S t a t e ------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2753 | // rcx : function name |
| 2754 | // rsp[0] : return address |
| 2755 | // rsp[8] : argument argc |
| 2756 | // rsp[16] : argument argc - 1 |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2757 | // ... |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2758 | // rsp[argc * 8] : argument 1 |
| 2759 | // rsp[(argc + 1) * 8] : argument 0 = receiver |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2760 | // ----------------------------------- |
| 2761 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2762 | if (HasCustomCallGenerator(function)) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2763 | Handle<Code> code = CompileCustomCall( |
mstarzinger@chromium.org | 1510d58 | 2013-06-28 14:00:48 +0000 | [diff] [blame] | 2764 | object, holder, cell, function, Handle<String>::cast(name), |
| 2765 | Code::NORMAL); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2766 | // A null handle means bail out to the regular compiler code below. |
| 2767 | if (!code.is_null()) return code; |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2768 | } |
| 2769 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2770 | Label miss; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2771 | GenerateNameCheck(name, &miss); |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 2772 | |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2773 | StackArgumentsAccessor args(rsp, arguments()); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2774 | GenerateGlobalReceiverCheck(object, holder, name, &miss); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 2775 | GenerateLoadFunctionFromCell(cell, function, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2776 | |
| 2777 | // Patch the receiver on the stack with the global proxy. |
| 2778 | if (object->IsGlobalObject()) { |
| 2779 | __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset)); |
verwaest@chromium.org | 662436e | 2013-08-28 08:41:27 +0000 | [diff] [blame] | 2780 | __ movq(args.GetReceiverOperand(), rdx); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2781 | } |
| 2782 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2783 | // Set up the context (function already in rdi). |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2784 | __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset)); |
| 2785 | |
| 2786 | // Jump to the cached code (tail call). |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2787 | Counters* counters = isolate()->counters(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2788 | __ IncrementCounter(counters->call_global_inline(), 1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2789 | ParameterCount expected(function->shared()->formal_parameter_count()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2790 | CallKind call_kind = CallICBase::Contextual::decode(extra_state_) |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2791 | ? CALL_AS_FUNCTION |
| 2792 | : CALL_AS_METHOD; |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2793 | // We call indirectly through the code field in the function to |
| 2794 | // allow recompilation to take effect without changing any of the |
| 2795 | // call sites. |
| 2796 | __ movq(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); |
| 2797 | __ InvokeCode(rdx, expected, arguments(), JUMP_FUNCTION, |
| 2798 | NullCallWrapper(), call_kind); |
| 2799 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2800 | // Handle call cache miss. |
| 2801 | __ bind(&miss); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2802 | __ IncrementCounter(counters->call_global_inline_miss(), 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2803 | GenerateMissBranch(); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2804 | |
| 2805 | // Return the generated code. |
jkummerow@chromium.org | 7a6fc81 | 2012-06-27 11:12:38 +0000 | [diff] [blame] | 2806 | return GetCode(Code::NORMAL, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2807 | } |
| 2808 | |
| 2809 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2810 | Handle<Code> StoreStubCompiler::CompileStoreCallback( |
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, |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 2813 | Handle<Name> name, |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 2814 | Handle<ExecutableAccessorInfo> callback) { |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 2815 | Label success; |
| 2816 | HandlerFrontend(object, receiver(), holder, name, &success); |
| 2817 | __ bind(&success); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2818 | |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2819 | __ PopReturnAddressTo(scratch1()); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2820 | __ push(receiver()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2821 | __ Push(callback); // callback info |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 2822 | __ Push(name); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2823 | __ push(value()); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2824 | __ PushReturnAddressFrom(scratch1()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2825 | |
| 2826 | // Do tail-call to the runtime system. |
| 2827 | ExternalReference store_callback_property = |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2828 | ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2829 | __ TailCallExternalReference(store_callback_property, 4, 1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2830 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2831 | // Return the generated code. |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 2832 | return GetCode(kind(), Code::CALLBACKS, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2833 | } |
| 2834 | |
| 2835 | |
dslomov@chromium.org | 639bac0 | 2013-09-09 11:58:54 +0000 | [diff] [blame] | 2836 | Handle<Code> StoreStubCompiler::CompileStoreCallback( |
| 2837 | Handle<JSObject> object, |
| 2838 | Handle<JSObject> holder, |
| 2839 | Handle<Name> name, |
| 2840 | const CallOptimization& call_optimization) { |
| 2841 | Label success; |
| 2842 | HandlerFrontend(object, receiver(), holder, name, &success); |
| 2843 | __ bind(&success); |
| 2844 | |
| 2845 | Register values[] = { value() }; |
| 2846 | GenerateFastApiCall( |
| 2847 | masm(), call_optimization, receiver(), scratch3(), 1, values); |
| 2848 | |
| 2849 | // Return the generated code. |
| 2850 | return GetCode(kind(), Code::CALLBACKS, name); |
| 2851 | } |
| 2852 | |
| 2853 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2854 | #undef __ |
| 2855 | #define __ ACCESS_MASM(masm) |
| 2856 | |
| 2857 | |
| 2858 | void StoreStubCompiler::GenerateStoreViaSetter( |
| 2859 | MacroAssembler* masm, |
| 2860 | Handle<JSFunction> setter) { |
| 2861 | // ----------- S t a t e ------------- |
| 2862 | // -- rax : value |
| 2863 | // -- rcx : name |
| 2864 | // -- rdx : receiver |
| 2865 | // -- rsp[0] : return address |
| 2866 | // ----------------------------------- |
| 2867 | { |
| 2868 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 2869 | |
| 2870 | // Save value register, so we can restore it later. |
| 2871 | __ push(rax); |
| 2872 | |
| 2873 | if (!setter.is_null()) { |
| 2874 | // Call the JavaScript setter with receiver and value on the stack. |
| 2875 | __ push(rdx); |
| 2876 | __ push(rax); |
| 2877 | ParameterCount actual(1); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 2878 | ParameterCount expected(setter); |
| 2879 | __ InvokeFunction(setter, expected, actual, |
| 2880 | CALL_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2881 | } else { |
| 2882 | // If we generate a global code snippet for deoptimization only, remember |
| 2883 | // the place to continue after deoptimization. |
| 2884 | masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); |
| 2885 | } |
| 2886 | |
| 2887 | // We have to return the passed value, not the return value of the setter. |
| 2888 | __ pop(rax); |
| 2889 | |
| 2890 | // Restore context register. |
| 2891 | __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
| 2892 | } |
| 2893 | __ ret(0); |
| 2894 | } |
| 2895 | |
| 2896 | |
| 2897 | #undef __ |
| 2898 | #define __ ACCESS_MASM(masm()) |
| 2899 | |
| 2900 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2901 | Handle<Code> StoreStubCompiler::CompileStoreInterceptor( |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2902 | Handle<JSObject> object, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2903 | Handle<Name> name) { |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2904 | __ PopReturnAddressTo(scratch1()); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2905 | __ push(receiver()); |
| 2906 | __ push(this->name()); |
| 2907 | __ push(value()); |
| 2908 | __ Push(Smi::FromInt(strict_mode())); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 2909 | __ PushReturnAddressFrom(scratch1()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2910 | |
| 2911 | // Do tail-call to the runtime system. |
| 2912 | ExternalReference store_ic_property = |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2913 | ExternalReference(IC_Utility(IC::kStoreInterceptorProperty), isolate()); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 2914 | __ TailCallExternalReference(store_ic_property, 4, 1); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2915 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2916 | // Return the generated code. |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 2917 | return GetCode(kind(), Code::INTERCEPTOR, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2918 | } |
| 2919 | |
| 2920 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2921 | Handle<Code> KeyedStoreStubCompiler::CompileStorePolymorphic( |
| 2922 | MapHandleList* receiver_maps, |
| 2923 | CodeHandleList* handler_stubs, |
| 2924 | MapHandleList* transitioned_maps) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2925 | Label miss; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2926 | __ JumpIfSmi(receiver(), &miss, Label::kNear); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2927 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2928 | __ movq(scratch1(), FieldOperand(receiver(), HeapObject::kMapOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2929 | int receiver_count = receiver_maps->length(); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2930 | for (int i = 0; i < receiver_count; ++i) { |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 2931 | // Check map and tail call if there's a match |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2932 | __ Cmp(scratch1(), receiver_maps->at(i)); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2933 | if (transitioned_maps->at(i).is_null()) { |
| 2934 | __ j(equal, handler_stubs->at(i), RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2935 | } else { |
| 2936 | Label next_map; |
| 2937 | __ j(not_equal, &next_map, Label::kNear); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2938 | __ movq(transition_map(), |
| 2939 | transitioned_maps->at(i), |
| 2940 | RelocInfo::EMBEDDED_OBJECT); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2941 | __ jmp(handler_stubs->at(i), RelocInfo::CODE_TARGET); |
rossberg@chromium.org | b4b2aa6 | 2011-10-13 09:49:59 +0000 | [diff] [blame] | 2942 | __ bind(&next_map); |
| 2943 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2944 | } |
| 2945 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2946 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2947 | |
| 2948 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2949 | |
| 2950 | // Return the generated code. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2951 | return GetICCode( |
| 2952 | kind(), Code::NORMAL, factory()->empty_string(), POLYMORPHIC); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2953 | } |
| 2954 | |
| 2955 | |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 2956 | Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 2957 | Handle<JSObject> object, |
| 2958 | Handle<JSObject> last, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2959 | Handle<Name> name, |
mstarzinger@chromium.org | e3b8d0f | 2013-02-01 09:06:41 +0000 | [diff] [blame] | 2960 | Handle<GlobalObject> global) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2961 | Label success; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2962 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2963 | NonexistentHandlerFrontend(object, last, name, &success, global); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2964 | |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 2965 | __ bind(&success); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2966 | // Return undefined if maps of the full prototype chain are still the |
| 2967 | // same and no global property with this name contains a value. |
| 2968 | __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
| 2969 | __ ret(0); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 2970 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2971 | // Return the generated code. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2972 | return GetCode(kind(), Code::NONEXISTENT, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 2973 | } |
| 2974 | |
| 2975 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2976 | Register* LoadStubCompiler::registers() { |
| 2977 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2978 | static Register registers[] = { rax, rcx, rdx, rbx, rdi, r8 }; |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2979 | return registers; |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2980 | } |
| 2981 | |
| 2982 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2983 | Register* KeyedLoadStubCompiler::registers() { |
| 2984 | // receiver, name, scratch1, scratch2, scratch3, scratch4. |
| 2985 | static Register registers[] = { rdx, rax, rbx, rcx, rdi, r8 }; |
| 2986 | return registers; |
| 2987 | } |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 2988 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2989 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2990 | Register* StoreStubCompiler::registers() { |
| 2991 | // receiver, name, value, scratch1, scratch2, scratch3. |
| 2992 | static Register registers[] = { rdx, rcx, rax, rbx, rdi, r8 }; |
| 2993 | return registers; |
| 2994 | } |
| 2995 | |
| 2996 | |
| 2997 | Register* KeyedStoreStubCompiler::registers() { |
| 2998 | // receiver, name, value, scratch1, scratch2, scratch3. |
| 2999 | static Register registers[] = { rdx, rcx, rax, rbx, rdi, r8 }; |
| 3000 | return registers; |
| 3001 | } |
| 3002 | |
| 3003 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3004 | void KeyedLoadStubCompiler::GenerateNameCheck(Handle<Name> name, |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 3005 | Register name_reg, |
| 3006 | Label* miss) { |
| 3007 | __ Cmp(name_reg, name); |
| 3008 | __ j(not_equal, miss); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3009 | } |
| 3010 | |
| 3011 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3012 | void KeyedStoreStubCompiler::GenerateNameCheck(Handle<Name> name, |
| 3013 | Register name_reg, |
| 3014 | Label* miss) { |
| 3015 | __ Cmp(name_reg, name); |
| 3016 | __ j(not_equal, miss); |
| 3017 | } |
| 3018 | |
| 3019 | |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3020 | #undef __ |
| 3021 | #define __ ACCESS_MASM(masm) |
| 3022 | |
| 3023 | |
| 3024 | void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm, |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 3025 | Register receiver, |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3026 | Handle<JSFunction> getter) { |
| 3027 | // ----------- S t a t e ------------- |
| 3028 | // -- rax : receiver |
| 3029 | // -- rcx : name |
| 3030 | // -- rsp[0] : return address |
| 3031 | // ----------------------------------- |
| 3032 | { |
| 3033 | FrameScope scope(masm, StackFrame::INTERNAL); |
| 3034 | |
| 3035 | if (!getter.is_null()) { |
| 3036 | // Call the JavaScript getter with the receiver on the stack. |
mstarzinger@chromium.org | 2efc3e4 | 2013-10-14 08:45:38 +0000 | [diff] [blame] | 3037 | __ push(receiver); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3038 | ParameterCount actual(0); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 3039 | ParameterCount expected(getter); |
| 3040 | __ InvokeFunction(getter, expected, actual, |
| 3041 | CALL_FUNCTION, NullCallWrapper(), CALL_AS_METHOD); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 3042 | } else { |
| 3043 | // If we generate a global code snippet for deoptimization only, remember |
| 3044 | // the place to continue after deoptimization. |
| 3045 | masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset()); |
| 3046 | } |
| 3047 | |
| 3048 | // Restore context register. |
| 3049 | __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
| 3050 | } |
| 3051 | __ ret(0); |
| 3052 | } |
| 3053 | |
| 3054 | |
| 3055 | #undef __ |
| 3056 | #define __ ACCESS_MASM(masm()) |
| 3057 | |
| 3058 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3059 | Handle<Code> LoadStubCompiler::CompileLoadGlobal( |
| 3060 | Handle<JSObject> object, |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3061 | Handle<GlobalObject> global, |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 3062 | Handle<PropertyCell> cell, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3063 | Handle<Name> name, |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3064 | bool is_dont_delete) { |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3065 | Label success, miss; |
| 3066 | // TODO(verwaest): Directly store to rax. Currently we cannot do this, since |
| 3067 | // rax is used as receiver(), which we would otherwise clobber before a |
| 3068 | // potential miss. |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3069 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3070 | __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); |
| 3071 | HandlerFrontendHeader( |
| 3072 | object, receiver(), Handle<JSObject>::cast(global), name, &miss); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3073 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3074 | // Get the value from the cell. |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3075 | __ Move(rbx, cell); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame] | 3076 | __ movq(rbx, FieldOperand(rbx, PropertyCell::kValueOffset)); |
whesse@chromium.org | e90029b | 2010-08-02 11:52:17 +0000 | [diff] [blame] | 3077 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3078 | // Check for deleted property if property can actually be deleted. |
| 3079 | if (!is_dont_delete) { |
| 3080 | __ CompareRoot(rbx, Heap::kTheHoleValueRootIndex); |
| 3081 | __ j(equal, &miss); |
| 3082 | } else if (FLAG_debug_code) { |
| 3083 | __ CompareRoot(rbx, Heap::kTheHoleValueRootIndex); |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame] | 3084 | __ Check(not_equal, kDontDeleteCellsCannotContainTheHole); |
ager@chromium.org | 6a2b0aa | 2010-07-13 20:58:03 +0000 | [diff] [blame] | 3085 | } |
| 3086 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 3087 | HandlerFrontendFooter(name, &success, &miss); |
hpayer@chromium.org | 8432c91 | 2013-02-28 15:55:26 +0000 | [diff] [blame] | 3088 | __ bind(&success); |
| 3089 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 3090 | Counters* counters = isolate()->counters(); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 3091 | __ IncrementCounter(counters->named_load_global_stub(), 1); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3092 | __ movq(rax, rbx); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3093 | __ ret(0); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3094 | |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3095 | // Return the generated code. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3096 | return GetICCode(kind(), Code::NORMAL, name); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3097 | } |
| 3098 | |
| 3099 | |
danno@chromium.org | bee5199 | 2013-07-10 14:57:15 +0000 | [diff] [blame] | 3100 | Handle<Code> BaseLoadStoreStubCompiler::CompilePolymorphicIC( |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 3101 | MapHandleList* receiver_maps, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3102 | CodeHandleList* handlers, |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3103 | Handle<Name> name, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3104 | Code::StubType type, |
| 3105 | IcCheckType check) { |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3106 | Label miss; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3107 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3108 | if (check == PROPERTY) { |
| 3109 | GenerateNameCheck(name, this->name(), &miss); |
| 3110 | } |
| 3111 | |
| 3112 | __ JumpIfSmi(receiver(), &miss); |
| 3113 | Register map_reg = scratch1(); |
| 3114 | __ movq(map_reg, FieldOperand(receiver(), HeapObject::kMapOffset)); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3115 | int receiver_count = receiver_maps->length(); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3116 | int number_of_handled_maps = 0; |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3117 | for (int current = 0; current < receiver_count; ++current) { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3118 | Handle<Map> map = receiver_maps->at(current); |
| 3119 | if (!map->is_deprecated()) { |
| 3120 | number_of_handled_maps++; |
| 3121 | // Check map and tail call if there's a match |
| 3122 | __ Cmp(map_reg, receiver_maps->at(current)); |
| 3123 | __ j(equal, handlers->at(current), RelocInfo::CODE_TARGET); |
| 3124 | } |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3125 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3126 | ASSERT(number_of_handled_maps > 0); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3127 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3128 | __ bind(&miss); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3129 | TailCallBuiltin(masm(), MissBuiltin(kind())); |
lrn@chromium.org | 5d00b60 | 2011-01-05 09:51:43 +0000 | [diff] [blame] | 3130 | |
| 3131 | // Return the generated code. |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 3132 | InlineCacheState state = |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 3133 | number_of_handled_maps > 1 ? POLYMORPHIC : MONOMORPHIC; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 3134 | return GetICCode(kind(), type, name, state); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3135 | } |
| 3136 | |
| 3137 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 3138 | #undef __ |
| 3139 | #define __ ACCESS_MASM(masm) |
| 3140 | |
| 3141 | |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3142 | void KeyedLoadStubCompiler::GenerateLoadDictionaryElement( |
| 3143 | MacroAssembler* masm) { |
| 3144 | // ----------- S t a t e ------------- |
| 3145 | // -- rax : key |
| 3146 | // -- rdx : receiver |
| 3147 | // -- rsp[0] : return address |
| 3148 | // ----------------------------------- |
| 3149 | Label slow, miss_force_generic; |
| 3150 | |
| 3151 | // This stub is meant to be tail-jumped to, the receiver must already |
| 3152 | // have been verified by the caller to not be a smi. |
| 3153 | |
| 3154 | __ JumpIfNotSmi(rax, &miss_force_generic); |
| 3155 | __ SmiToInteger32(rbx, rax); |
| 3156 | __ movq(rcx, FieldOperand(rdx, JSObject::kElementsOffset)); |
| 3157 | |
| 3158 | // Check whether the elements is a number dictionary. |
| 3159 | // rdx: receiver |
| 3160 | // rax: key |
| 3161 | // rbx: key as untagged int32 |
| 3162 | // rcx: elements |
| 3163 | __ LoadFromNumberDictionary(&slow, rcx, rax, rbx, r9, rdi, rax); |
| 3164 | __ ret(0); |
| 3165 | |
| 3166 | __ bind(&slow); |
| 3167 | // ----------- S t a t e ------------- |
| 3168 | // -- rax : key |
| 3169 | // -- rdx : receiver |
machenbach@chromium.org | c1789ee | 2013-07-05 07:09:57 +0000 | [diff] [blame] | 3170 | // -- rsp[0] : return address |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3171 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3172 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3173 | |
| 3174 | __ bind(&miss_force_generic); |
| 3175 | // ----------- S t a t e ------------- |
| 3176 | // -- rax : key |
| 3177 | // -- rdx : receiver |
machenbach@chromium.org | c1789ee | 2013-07-05 07:09:57 +0000 | [diff] [blame] | 3178 | // -- rsp[0] : return address |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3179 | // ----------------------------------- |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 3180 | TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 3181 | } |
| 3182 | |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 3183 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 3184 | #undef __ |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 3185 | |
| 3186 | } } // namespace v8::internal |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 3187 | |
| 3188 | #endif // V8_TARGET_ARCH_X64 |