kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1 | // Copyright 2006-2009 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "api.h" |
| 31 | #include "arguments.h" |
| 32 | #include "ic-inl.h" |
| 33 | #include "stub-cache.h" |
| 34 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 35 | namespace v8 { |
| 36 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 37 | |
| 38 | // ----------------------------------------------------------------------- |
| 39 | // StubCache implementation. |
| 40 | |
| 41 | |
| 42 | StubCache::Entry StubCache::primary_[StubCache::kPrimaryTableSize]; |
| 43 | StubCache::Entry StubCache::secondary_[StubCache::kSecondaryTableSize]; |
| 44 | |
| 45 | void StubCache::Initialize(bool create_heap_objects) { |
| 46 | ASSERT(IsPowerOf2(kPrimaryTableSize)); |
| 47 | ASSERT(IsPowerOf2(kSecondaryTableSize)); |
| 48 | if (create_heap_objects) { |
| 49 | HandleScope scope; |
| 50 | Clear(); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | |
| 55 | Code* StubCache::Set(String* name, Map* map, Code* code) { |
| 56 | // Get the flags from the code. |
| 57 | Code::Flags flags = Code::RemoveTypeFromFlags(code->flags()); |
| 58 | |
| 59 | // Validate that the name does not move on scavenge, and that we |
| 60 | // can use identity checks instead of string equality checks. |
| 61 | ASSERT(!Heap::InNewSpace(name)); |
| 62 | ASSERT(name->IsSymbol()); |
| 63 | |
| 64 | // The state bits are not important to the hash function because |
| 65 | // the stub cache only contains monomorphic stubs. Make sure that |
| 66 | // the bits are the least significant so they will be the ones |
| 67 | // masked out. |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 68 | ASSERT(Code::ExtractICStateFromFlags(flags) == MONOMORPHIC); |
| 69 | ASSERT(Code::kFlagsICStateShift == 0); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 70 | |
| 71 | // Make sure that the code type is not included in the hash. |
| 72 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 73 | |
| 74 | // Compute the primary entry. |
| 75 | int primary_offset = PrimaryOffset(name, flags, map); |
| 76 | Entry* primary = entry(primary_, primary_offset); |
| 77 | Code* hit = primary->value; |
| 78 | |
| 79 | // If the primary entry has useful data in it, we retire it to the |
| 80 | // secondary cache before overwriting it. |
| 81 | if (hit != Builtins::builtin(Builtins::Illegal)) { |
| 82 | Code::Flags primary_flags = Code::RemoveTypeFromFlags(hit->flags()); |
| 83 | int secondary_offset = |
| 84 | SecondaryOffset(primary->key, primary_flags, primary_offset); |
| 85 | Entry* secondary = entry(secondary_, secondary_offset); |
| 86 | *secondary = *primary; |
| 87 | } |
| 88 | |
| 89 | // Update primary cache. |
| 90 | primary->key = name; |
| 91 | primary->value = code; |
| 92 | return code; |
| 93 | } |
| 94 | |
| 95 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 96 | MaybeObject* StubCache::ComputeLoadNonexistent(String* name, |
| 97 | JSObject* receiver) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 98 | ASSERT(receiver->IsGlobalObject() || receiver->HasFastProperties()); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 99 | // If no global objects are present in the prototype chain, the load |
| 100 | // nonexistent IC stub can be shared for all names for a given map |
| 101 | // and we use the empty string for the map cache in that case. If |
| 102 | // there are global objects involved, we need to check global |
| 103 | // property cells in the stub and therefore the stub will be |
| 104 | // specific to the name. |
| 105 | String* cache_name = Heap::empty_string(); |
| 106 | if (receiver->IsGlobalObject()) cache_name = name; |
| 107 | JSObject* last = receiver; |
| 108 | while (last->GetPrototype() != Heap::null_value()) { |
| 109 | last = JSObject::cast(last->GetPrototype()); |
| 110 | if (last->IsGlobalObject()) cache_name = name; |
| 111 | } |
| 112 | // Compile the stub that is either shared for all names or |
| 113 | // name specific if there are global objects involved. |
| 114 | Code::Flags flags = |
| 115 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, NONEXISTENT); |
| 116 | Object* code = receiver->map()->FindInCodeCache(cache_name, flags); |
| 117 | if (code->IsUndefined()) { |
| 118 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 119 | { MaybeObject* maybe_code = |
| 120 | compiler.CompileLoadNonexistent(cache_name, receiver, last); |
| 121 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 122 | } |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 123 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), cache_name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 124 | Object* result; |
| 125 | { MaybeObject* maybe_result = |
| 126 | receiver->UpdateMapCodeCache(cache_name, Code::cast(code)); |
| 127 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 128 | } |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 129 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 130 | return code; |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 134 | MaybeObject* StubCache::ComputeLoadField(String* name, |
| 135 | JSObject* receiver, |
| 136 | JSObject* holder, |
| 137 | int field_index) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 138 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 139 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, FIELD); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 140 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 141 | if (code->IsUndefined()) { |
| 142 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 143 | { MaybeObject* maybe_code = |
| 144 | compiler.CompileLoadField(receiver, holder, field_index, name); |
| 145 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 146 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 147 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 148 | Object* result; |
| 149 | { MaybeObject* maybe_result = |
| 150 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 151 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 152 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 153 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 154 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 158 | MaybeObject* StubCache::ComputeLoadCallback(String* name, |
| 159 | JSObject* receiver, |
| 160 | JSObject* holder, |
| 161 | AccessorInfo* callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 162 | ASSERT(v8::ToCData<Address>(callback->getter()) != 0); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 163 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 164 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 165 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 166 | if (code->IsUndefined()) { |
| 167 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 168 | { MaybeObject* maybe_code = |
| 169 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 170 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 171 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 172 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 173 | Object* result; |
| 174 | { MaybeObject* maybe_result = |
| 175 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 176 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 177 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 178 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 179 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 183 | MaybeObject* StubCache::ComputeLoadConstant(String* name, |
| 184 | JSObject* receiver, |
| 185 | JSObject* holder, |
| 186 | Object* value) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 187 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 188 | Code::Flags flags = |
| 189 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, CONSTANT_FUNCTION); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 190 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 191 | if (code->IsUndefined()) { |
| 192 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 193 | { MaybeObject* maybe_code = |
| 194 | compiler.CompileLoadConstant(receiver, holder, value, name); |
| 195 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 196 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 197 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 198 | Object* result; |
| 199 | { MaybeObject* maybe_result = |
| 200 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 201 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 202 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 203 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 204 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 208 | MaybeObject* StubCache::ComputeLoadInterceptor(String* name, |
| 209 | JSObject* receiver, |
| 210 | JSObject* holder) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 211 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 212 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, INTERCEPTOR); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 213 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 214 | if (code->IsUndefined()) { |
| 215 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 216 | { MaybeObject* maybe_code = |
| 217 | compiler.CompileLoadInterceptor(receiver, holder, name); |
| 218 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 219 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 220 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 221 | Object* result; |
| 222 | { MaybeObject* maybe_result = |
| 223 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 224 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 225 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 226 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 227 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 231 | MaybeObject* StubCache::ComputeLoadNormal() { |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 232 | return Builtins::builtin(Builtins::LoadIC_Normal); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 236 | MaybeObject* StubCache::ComputeLoadGlobal(String* name, |
| 237 | JSObject* receiver, |
| 238 | GlobalObject* holder, |
| 239 | JSGlobalPropertyCell* cell, |
| 240 | bool is_dont_delete) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 241 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 242 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, NORMAL); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 243 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 244 | if (code->IsUndefined()) { |
| 245 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 246 | { MaybeObject* maybe_code = compiler.CompileLoadGlobal(receiver, |
| 247 | holder, |
| 248 | cell, |
| 249 | name, |
| 250 | is_dont_delete); |
| 251 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 252 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 253 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 254 | Object* result; |
| 255 | { MaybeObject* maybe_result = |
| 256 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 257 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 258 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 259 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 260 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 264 | MaybeObject* StubCache::ComputeKeyedLoadField(String* name, |
| 265 | JSObject* receiver, |
| 266 | JSObject* holder, |
| 267 | int field_index) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 268 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 269 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, FIELD); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 270 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 271 | if (code->IsUndefined()) { |
| 272 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 273 | { MaybeObject* maybe_code = |
| 274 | compiler.CompileLoadField(name, receiver, holder, field_index); |
| 275 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 276 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 277 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 278 | Object* result; |
| 279 | { MaybeObject* maybe_result = |
| 280 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 281 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 282 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 283 | } |
| 284 | return code; |
| 285 | } |
| 286 | |
| 287 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 288 | MaybeObject* StubCache::ComputeKeyedLoadConstant(String* name, |
| 289 | JSObject* receiver, |
| 290 | JSObject* holder, |
| 291 | Object* value) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 292 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 293 | Code::Flags flags = |
| 294 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CONSTANT_FUNCTION); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 295 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 296 | if (code->IsUndefined()) { |
| 297 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 298 | { MaybeObject* maybe_code = |
| 299 | compiler.CompileLoadConstant(name, receiver, holder, value); |
| 300 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 301 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 302 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 303 | Object* result; |
| 304 | { MaybeObject* maybe_result = |
| 305 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 306 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 307 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 308 | } |
| 309 | return code; |
| 310 | } |
| 311 | |
| 312 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 313 | MaybeObject* StubCache::ComputeKeyedLoadInterceptor(String* name, |
| 314 | JSObject* receiver, |
| 315 | JSObject* holder) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 316 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 317 | Code::Flags flags = |
| 318 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, INTERCEPTOR); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 319 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 320 | if (code->IsUndefined()) { |
| 321 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 322 | { MaybeObject* maybe_code = |
| 323 | compiler.CompileLoadInterceptor(receiver, holder, name); |
| 324 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 325 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 326 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 327 | Object* result; |
| 328 | { MaybeObject* maybe_result = |
| 329 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 330 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 331 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 332 | } |
| 333 | return code; |
| 334 | } |
| 335 | |
| 336 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 337 | MaybeObject* StubCache::ComputeKeyedLoadCallback(String* name, |
| 338 | JSObject* receiver, |
| 339 | JSObject* holder, |
| 340 | AccessorInfo* callback) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 341 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 342 | Code::Flags flags = |
| 343 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 344 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 345 | if (code->IsUndefined()) { |
| 346 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 347 | { MaybeObject* maybe_code = |
| 348 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 349 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 350 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 351 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 352 | Object* result; |
| 353 | { MaybeObject* maybe_result = |
| 354 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 355 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 356 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 357 | } |
| 358 | return code; |
| 359 | } |
| 360 | |
| 361 | |
| 362 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 363 | MaybeObject* StubCache::ComputeKeyedLoadArrayLength(String* name, |
| 364 | JSArray* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 365 | Code::Flags flags = |
| 366 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 367 | ASSERT(receiver->IsJSObject()); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 368 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 369 | if (code->IsUndefined()) { |
| 370 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 371 | { MaybeObject* maybe_code = compiler.CompileLoadArrayLength(name); |
| 372 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 373 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 374 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 375 | Object* result; |
| 376 | { MaybeObject* maybe_result = |
| 377 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 378 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 379 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 380 | } |
| 381 | return code; |
| 382 | } |
| 383 | |
| 384 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 385 | MaybeObject* StubCache::ComputeKeyedLoadStringLength(String* name, |
| 386 | String* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 387 | Code::Flags flags = |
| 388 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 389 | Map* map = receiver->map(); |
| 390 | Object* code = map->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 391 | if (code->IsUndefined()) { |
| 392 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 393 | { MaybeObject* maybe_code = compiler.CompileLoadStringLength(name); |
| 394 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 395 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 396 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 397 | Object* result; |
| 398 | { MaybeObject* maybe_result = map->UpdateCodeCache(name, Code::cast(code)); |
| 399 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 400 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 401 | } |
| 402 | return code; |
| 403 | } |
| 404 | |
| 405 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 406 | MaybeObject* StubCache::ComputeKeyedLoadFunctionPrototype( |
| 407 | String* name, |
| 408 | JSFunction* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 409 | Code::Flags flags = |
| 410 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 411 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 412 | if (code->IsUndefined()) { |
| 413 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 414 | { MaybeObject* maybe_code = compiler.CompileLoadFunctionPrototype(name); |
| 415 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 416 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 417 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 418 | Object* result; |
| 419 | { MaybeObject* maybe_result = |
| 420 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 421 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 422 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 423 | } |
| 424 | return code; |
| 425 | } |
| 426 | |
| 427 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 428 | MaybeObject* StubCache::ComputeStoreField(String* name, |
| 429 | JSObject* receiver, |
| 430 | int field_index, |
| 431 | Map* transition) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 432 | PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION; |
| 433 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, type); |
| 434 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 435 | if (code->IsUndefined()) { |
| 436 | StoreStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 437 | { MaybeObject* maybe_code = |
| 438 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 439 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 440 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 441 | PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 442 | Object* result; |
| 443 | { MaybeObject* maybe_result = |
| 444 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 445 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 446 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 447 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 448 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 452 | MaybeObject* StubCache::ComputeStoreNormal() { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 453 | return Builtins::builtin(Builtins::StoreIC_Normal); |
| 454 | } |
| 455 | |
| 456 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 457 | MaybeObject* StubCache::ComputeStoreGlobal(String* name, |
| 458 | GlobalObject* receiver, |
| 459 | JSGlobalPropertyCell* cell) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 460 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, NORMAL); |
| 461 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 462 | if (code->IsUndefined()) { |
| 463 | StoreStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 464 | { MaybeObject* maybe_code = |
| 465 | compiler.CompileStoreGlobal(receiver, cell, name); |
| 466 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 467 | } |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 468 | PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 469 | Object* result; |
| 470 | { MaybeObject* maybe_result = |
| 471 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 472 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 473 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 474 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 475 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 479 | MaybeObject* StubCache::ComputeStoreCallback(String* name, |
| 480 | JSObject* receiver, |
| 481 | AccessorInfo* callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 482 | ASSERT(v8::ToCData<Address>(callback->setter()) != 0); |
| 483 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, CALLBACKS); |
| 484 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 485 | if (code->IsUndefined()) { |
| 486 | StoreStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 487 | { MaybeObject* maybe_code = |
| 488 | compiler.CompileStoreCallback(receiver, callback, name); |
| 489 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 490 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 491 | PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 492 | Object* result; |
| 493 | { MaybeObject* maybe_result = |
| 494 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 495 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 496 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 497 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 498 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 502 | MaybeObject* StubCache::ComputeStoreInterceptor(String* name, |
| 503 | JSObject* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 504 | Code::Flags flags = |
| 505 | Code::ComputeMonomorphicFlags(Code::STORE_IC, INTERCEPTOR); |
| 506 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 507 | if (code->IsUndefined()) { |
| 508 | StoreStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 509 | { MaybeObject* maybe_code = |
| 510 | compiler.CompileStoreInterceptor(receiver, name); |
| 511 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 512 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 513 | PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 514 | Object* result; |
| 515 | { MaybeObject* maybe_result = |
| 516 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 517 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 518 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 519 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 520 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 524 | MaybeObject* StubCache::ComputeKeyedStoreField(String* name, |
| 525 | JSObject* receiver, |
| 526 | int field_index, |
| 527 | Map* transition) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 528 | PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION; |
| 529 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, type); |
| 530 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 531 | if (code->IsUndefined()) { |
| 532 | KeyedStoreStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 533 | { MaybeObject* maybe_code = |
| 534 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 535 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 536 | } |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 537 | PROFILE(CodeCreateEvent( |
| 538 | Logger::KEYED_STORE_IC_TAG, Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 539 | Object* result; |
| 540 | { MaybeObject* maybe_result = |
| 541 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 542 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 543 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 544 | } |
| 545 | return code; |
| 546 | } |
| 547 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 548 | #define CALL_LOGGER_TAG(kind, type) \ |
| 549 | (kind == Code::CALL_IC ? Logger::type : Logger::KEYED_##type) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 550 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 551 | MaybeObject* StubCache::ComputeCallConstant(int argc, |
| 552 | InLoopFlag in_loop, |
| 553 | Code::Kind kind, |
| 554 | String* name, |
| 555 | Object* object, |
| 556 | JSObject* holder, |
| 557 | JSFunction* function) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 558 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 559 | InlineCacheHolderFlag cache_holder = |
| 560 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 561 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 562 | |
| 563 | // Compute check type based on receiver/holder. |
| 564 | StubCompiler::CheckType check = StubCompiler::RECEIVER_MAP_CHECK; |
| 565 | if (object->IsString()) { |
| 566 | check = StubCompiler::STRING_CHECK; |
| 567 | } else if (object->IsNumber()) { |
| 568 | check = StubCompiler::NUMBER_CHECK; |
| 569 | } else if (object->IsBoolean()) { |
| 570 | check = StubCompiler::BOOLEAN_CHECK; |
| 571 | } |
| 572 | |
| 573 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 574 | Code::ComputeMonomorphicFlags(kind, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 575 | CONSTANT_FUNCTION, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 576 | cache_holder, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 577 | in_loop, |
| 578 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 579 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 580 | if (code->IsUndefined()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 581 | // If the function hasn't been compiled yet, we cannot do it now |
| 582 | // because it may cause GC. To avoid this issue, we return an |
| 583 | // internal error which will make sure we do not update any |
| 584 | // caches. |
| 585 | if (!function->is_compiled()) return Failure::InternalError(); |
| 586 | // Compile the stub - only create stubs for fully compiled functions. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 587 | CallStubCompiler compiler(argc, in_loop, kind, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 588 | { MaybeObject* maybe_code = |
| 589 | compiler.CompileCallConstant(object, holder, function, name, check); |
| 590 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 591 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 592 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 593 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
| 594 | Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 595 | Object* result; |
| 596 | { MaybeObject* maybe_result = |
| 597 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 598 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 599 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 600 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 601 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 605 | MaybeObject* StubCache::ComputeCallField(int argc, |
| 606 | InLoopFlag in_loop, |
| 607 | Code::Kind kind, |
| 608 | String* name, |
| 609 | Object* object, |
| 610 | JSObject* holder, |
| 611 | int index) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 612 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 613 | InlineCacheHolderFlag cache_holder = |
| 614 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 615 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 616 | |
| 617 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 618 | // because they may be represented as immediates without a |
| 619 | // map. Instead, we check against the map in the holder. |
| 620 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 621 | object = holder; |
| 622 | } |
| 623 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 624 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 625 | FIELD, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 626 | cache_holder, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 627 | in_loop, |
| 628 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 629 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 630 | if (code->IsUndefined()) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 631 | CallStubCompiler compiler(argc, in_loop, kind, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 632 | { MaybeObject* maybe_code = |
| 633 | compiler.CompileCallField(JSObject::cast(object), |
| 634 | holder, |
| 635 | index, |
| 636 | name); |
| 637 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 638 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 639 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 640 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
| 641 | Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 642 | Object* result; |
| 643 | { MaybeObject* maybe_result = |
| 644 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 645 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 646 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 647 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 648 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 652 | MaybeObject* StubCache::ComputeCallInterceptor(int argc, |
| 653 | Code::Kind kind, |
| 654 | String* name, |
| 655 | Object* object, |
| 656 | JSObject* holder) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 657 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 658 | InlineCacheHolderFlag cache_holder = |
| 659 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 660 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 661 | |
| 662 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 663 | // because they may be represented as immediates without a |
| 664 | // map. Instead, we check against the map in the holder. |
| 665 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 666 | object = holder; |
| 667 | } |
| 668 | |
| 669 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 670 | Code::ComputeMonomorphicFlags(kind, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 671 | INTERCEPTOR, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 672 | cache_holder, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 673 | NOT_IN_LOOP, |
| 674 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 675 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 676 | if (code->IsUndefined()) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 677 | CallStubCompiler compiler(argc, NOT_IN_LOOP, kind, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 678 | { MaybeObject* maybe_code = |
| 679 | compiler.CompileCallInterceptor(JSObject::cast(object), holder, name); |
| 680 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 681 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 682 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 683 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
| 684 | Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 685 | Object* result; |
| 686 | { MaybeObject* maybe_result = |
| 687 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 688 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 689 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 690 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 691 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 695 | MaybeObject* StubCache::ComputeCallNormal(int argc, |
| 696 | InLoopFlag in_loop, |
| 697 | Code::Kind kind, |
| 698 | String* name, |
| 699 | JSObject* receiver) { |
| 700 | Object* code; |
| 701 | { MaybeObject* maybe_code = ComputeCallNormal(argc, in_loop, kind); |
| 702 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 703 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 704 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 708 | MaybeObject* StubCache::ComputeCallGlobal(int argc, |
| 709 | InLoopFlag in_loop, |
| 710 | Code::Kind kind, |
| 711 | String* name, |
| 712 | JSObject* receiver, |
| 713 | GlobalObject* holder, |
| 714 | JSGlobalPropertyCell* cell, |
| 715 | JSFunction* function) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 716 | InlineCacheHolderFlag cache_holder = |
| 717 | IC::GetCodeCacheForObject(receiver, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 718 | JSObject* map_holder = IC::GetCodeCacheHolder(receiver, cache_holder); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 719 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 720 | Code::ComputeMonomorphicFlags(kind, |
| 721 | NORMAL, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 722 | cache_holder, |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 723 | in_loop, |
| 724 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 725 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 726 | if (code->IsUndefined()) { |
| 727 | // If the function hasn't been compiled yet, we cannot do it now |
| 728 | // because it may cause GC. To avoid this issue, we return an |
| 729 | // internal error which will make sure we do not update any |
| 730 | // caches. |
| 731 | if (!function->is_compiled()) return Failure::InternalError(); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 732 | CallStubCompiler compiler(argc, in_loop, kind, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 733 | { MaybeObject* maybe_code = |
| 734 | compiler.CompileCallGlobal(receiver, holder, cell, function, name); |
| 735 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 736 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 737 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 738 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
| 739 | Code::cast(code), name)); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 740 | Object* result; |
| 741 | { MaybeObject* maybe_result = |
| 742 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 743 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 744 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 745 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 746 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 747 | } |
| 748 | |
| 749 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 750 | static Object* GetProbeValue(Code::Flags flags) { |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 751 | // Use raw_unchecked... so we don't get assert failures during GC. |
| 752 | NumberDictionary* dictionary = Heap::raw_unchecked_non_monomorphic_cache(); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 753 | int entry = dictionary->FindEntry(flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 754 | if (entry != -1) return dictionary->ValueAt(entry); |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 755 | return Heap::raw_unchecked_undefined_value(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 759 | MUST_USE_RESULT static MaybeObject* ProbeCache(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 760 | Object* probe = GetProbeValue(flags); |
| 761 | if (probe != Heap::undefined_value()) return probe; |
| 762 | // Seed the cache with an undefined value to make sure that any |
| 763 | // generated code object can always be inserted into the cache |
| 764 | // without causing allocation failures. |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 765 | Object* result; |
| 766 | { MaybeObject* maybe_result = |
| 767 | Heap::non_monomorphic_cache()->AtNumberPut(flags, |
| 768 | Heap::undefined_value()); |
| 769 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 770 | } |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 771 | Heap::public_set_non_monomorphic_cache(NumberDictionary::cast(result)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 772 | return probe; |
| 773 | } |
| 774 | |
| 775 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 776 | static MaybeObject* FillCache(MaybeObject* maybe_code) { |
| 777 | Object* code; |
| 778 | if (maybe_code->ToObject(&code)) { |
| 779 | if (code->IsCode()) { |
| 780 | int entry = |
| 781 | Heap::non_monomorphic_cache()->FindEntry( |
| 782 | Code::cast(code)->flags()); |
| 783 | // The entry must be present see comment in ProbeCache. |
| 784 | ASSERT(entry != -1); |
| 785 | ASSERT(Heap::non_monomorphic_cache()->ValueAt(entry) == |
| 786 | Heap::undefined_value()); |
| 787 | Heap::non_monomorphic_cache()->ValueAtPut(entry, code); |
| 788 | CHECK(GetProbeValue(Code::cast(code)->flags()) == code); |
| 789 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 790 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 791 | return maybe_code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 792 | } |
| 793 | |
| 794 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 795 | Code* StubCache::FindCallInitialize(int argc, |
| 796 | InLoopFlag in_loop, |
| 797 | Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 798 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 799 | Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 800 | Object* result = ProbeCache(flags)->ToObjectUnchecked(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 801 | ASSERT(!result->IsUndefined()); |
| 802 | // This might be called during the marking phase of the collector |
| 803 | // hence the unchecked cast. |
| 804 | return reinterpret_cast<Code*>(result); |
| 805 | } |
| 806 | |
| 807 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 808 | MaybeObject* StubCache::ComputeCallInitialize(int argc, |
| 809 | InLoopFlag in_loop, |
| 810 | Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 811 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 812 | Code::ComputeFlags(kind, in_loop, UNINITIALIZED, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 813 | Object* probe; |
| 814 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 815 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 816 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 817 | if (!probe->IsUndefined()) return probe; |
| 818 | StubCompiler compiler; |
| 819 | return FillCache(compiler.CompileCallInitialize(flags)); |
| 820 | } |
| 821 | |
| 822 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 823 | MaybeObject* StubCache::ComputeCallPreMonomorphic(int argc, |
| 824 | InLoopFlag in_loop, |
| 825 | Code::Kind kind) { |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 826 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 827 | Code::ComputeFlags(kind, in_loop, PREMONOMORPHIC, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 828 | Object* probe; |
| 829 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 830 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 831 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 832 | if (!probe->IsUndefined()) return probe; |
| 833 | StubCompiler compiler; |
| 834 | return FillCache(compiler.CompileCallPreMonomorphic(flags)); |
| 835 | } |
| 836 | |
| 837 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 838 | MaybeObject* StubCache::ComputeCallNormal(int argc, |
| 839 | InLoopFlag in_loop, |
| 840 | Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 841 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 842 | Code::ComputeFlags(kind, in_loop, MONOMORPHIC, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 843 | Object* probe; |
| 844 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 845 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 846 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 847 | if (!probe->IsUndefined()) return probe; |
| 848 | StubCompiler compiler; |
| 849 | return FillCache(compiler.CompileCallNormal(flags)); |
| 850 | } |
| 851 | |
| 852 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 853 | MaybeObject* StubCache::ComputeCallMegamorphic(int argc, |
| 854 | InLoopFlag in_loop, |
| 855 | Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 856 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 857 | Code::ComputeFlags(kind, in_loop, MEGAMORPHIC, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 858 | Object* probe; |
| 859 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 860 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 861 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 862 | if (!probe->IsUndefined()) return probe; |
| 863 | StubCompiler compiler; |
| 864 | return FillCache(compiler.CompileCallMegamorphic(flags)); |
| 865 | } |
| 866 | |
| 867 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 868 | MaybeObject* StubCache::ComputeCallMiss(int argc, Code::Kind kind) { |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 869 | // MONOMORPHIC_PROTOTYPE_FAILURE state is used to make sure that miss stubs |
| 870 | // and monomorphic stubs are not mixed up together in the stub cache. |
| 871 | Code::Flags flags = Code::ComputeFlags( |
| 872 | kind, NOT_IN_LOOP, MONOMORPHIC_PROTOTYPE_FAILURE, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 873 | Object* probe; |
| 874 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 875 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 876 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 877 | if (!probe->IsUndefined()) return probe; |
| 878 | StubCompiler compiler; |
| 879 | return FillCache(compiler.CompileCallMiss(flags)); |
| 880 | } |
| 881 | |
| 882 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 883 | #ifdef ENABLE_DEBUGGER_SUPPORT |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 884 | MaybeObject* StubCache::ComputeCallDebugBreak(int argc, Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 885 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 886 | Code::ComputeFlags(kind, NOT_IN_LOOP, DEBUG_BREAK, NORMAL, argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 887 | Object* probe; |
| 888 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 889 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 890 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 891 | if (!probe->IsUndefined()) return probe; |
| 892 | StubCompiler compiler; |
| 893 | return FillCache(compiler.CompileCallDebugBreak(flags)); |
| 894 | } |
| 895 | |
| 896 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 897 | MaybeObject* StubCache::ComputeCallDebugPrepareStepIn(int argc, |
| 898 | Code::Kind kind) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 899 | Code::Flags flags = |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 900 | Code::ComputeFlags(kind, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 901 | NOT_IN_LOOP, |
| 902 | DEBUG_PREPARE_STEP_IN, |
| 903 | NORMAL, |
| 904 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 905 | Object* probe; |
| 906 | { MaybeObject* maybe_probe = ProbeCache(flags); |
| 907 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 908 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 909 | if (!probe->IsUndefined()) return probe; |
| 910 | StubCompiler compiler; |
| 911 | return FillCache(compiler.CompileCallDebugPrepareStepIn(flags)); |
| 912 | } |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 913 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 914 | |
| 915 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 916 | void StubCache::Clear() { |
| 917 | for (int i = 0; i < kPrimaryTableSize; i++) { |
| 918 | primary_[i].key = Heap::empty_string(); |
| 919 | primary_[i].value = Builtins::builtin(Builtins::Illegal); |
| 920 | } |
| 921 | for (int j = 0; j < kSecondaryTableSize; j++) { |
| 922 | secondary_[j].key = Heap::empty_string(); |
| 923 | secondary_[j].value = Builtins::builtin(Builtins::Illegal); |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | |
| 928 | // ------------------------------------------------------------------------ |
| 929 | // StubCompiler implementation. |
| 930 | |
| 931 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 932 | MaybeObject* LoadCallbackProperty(Arguments args) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 933 | ASSERT(args[0]->IsJSObject()); |
| 934 | ASSERT(args[1]->IsJSObject()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 935 | AccessorInfo* callback = AccessorInfo::cast(args[2]); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 936 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 937 | v8::AccessorGetter fun = FUNCTION_CAST<v8::AccessorGetter>(getter_address); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 938 | ASSERT(fun != NULL); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 939 | CustomArguments custom_args(callback->data(), |
| 940 | JSObject::cast(args[0]), |
| 941 | JSObject::cast(args[1])); |
| 942 | v8::AccessorInfo info(custom_args.end()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 943 | HandleScope scope; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 944 | v8::Handle<v8::Value> result; |
| 945 | { |
| 946 | // Leaving JavaScript. |
ager@chromium.org | 41826e7 | 2009-03-30 13:30:57 +0000 | [diff] [blame] | 947 | VMState state(EXTERNAL); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 948 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 949 | state.set_external_callback(getter_address); |
| 950 | #endif |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 951 | result = fun(v8::Utils::ToLocal(args.at<String>(4)), info); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 952 | } |
| 953 | RETURN_IF_SCHEDULED_EXCEPTION(); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 954 | if (result.IsEmpty()) return Heap::undefined_value(); |
| 955 | return *v8::Utils::OpenHandle(*result); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 956 | } |
| 957 | |
| 958 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 959 | MaybeObject* StoreCallbackProperty(Arguments args) { |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 960 | JSObject* recv = JSObject::cast(args[0]); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 961 | AccessorInfo* callback = AccessorInfo::cast(args[1]); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 962 | Address setter_address = v8::ToCData<Address>(callback->setter()); |
| 963 | v8::AccessorSetter fun = FUNCTION_CAST<v8::AccessorSetter>(setter_address); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 964 | ASSERT(fun != NULL); |
| 965 | Handle<String> name = args.at<String>(2); |
| 966 | Handle<Object> value = args.at<Object>(3); |
| 967 | HandleScope scope; |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 968 | LOG(ApiNamedPropertyAccess("store", recv, *name)); |
| 969 | CustomArguments custom_args(callback->data(), recv, recv); |
| 970 | v8::AccessorInfo info(custom_args.end()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 971 | { |
| 972 | // Leaving JavaScript. |
ager@chromium.org | 41826e7 | 2009-03-30 13:30:57 +0000 | [diff] [blame] | 973 | VMState state(EXTERNAL); |
sgjesse@chromium.org | ac6aa17 | 2009-12-04 12:29:05 +0000 | [diff] [blame] | 974 | #ifdef ENABLE_LOGGING_AND_PROFILING |
| 975 | state.set_external_callback(setter_address); |
| 976 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 977 | fun(v8::Utils::ToLocal(name), v8::Utils::ToLocal(value), info); |
| 978 | } |
| 979 | RETURN_IF_SCHEDULED_EXCEPTION(); |
| 980 | return *value; |
| 981 | } |
| 982 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 983 | |
| 984 | static const int kAccessorInfoOffsetInInterceptorArgs = 2; |
| 985 | |
| 986 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 987 | /** |
| 988 | * Attempts to load a property with an interceptor (which must be present), |
| 989 | * but doesn't search the prototype chain. |
| 990 | * |
| 991 | * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't |
| 992 | * provide any value for the given name. |
| 993 | */ |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 994 | MaybeObject* LoadPropertyWithInterceptorOnly(Arguments args) { |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 995 | Handle<String> name_handle = args.at<String>(0); |
| 996 | Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>(1); |
| 997 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 998 | ASSERT(args[2]->IsJSObject()); // Receiver. |
| 999 | ASSERT(args[3]->IsJSObject()); // Holder. |
| 1000 | ASSERT(args.length() == 5); // Last arg is data object. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1001 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1002 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1003 | v8::NamedPropertyGetter getter = |
| 1004 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1005 | ASSERT(getter != NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1006 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1007 | { |
| 1008 | // Use the interceptor getter. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1009 | v8::AccessorInfo info(args.arguments() - |
| 1010 | kAccessorInfoOffsetInInterceptorArgs); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1011 | HandleScope scope; |
| 1012 | v8::Handle<v8::Value> r; |
| 1013 | { |
| 1014 | // Leaving JavaScript. |
| 1015 | VMState state(EXTERNAL); |
| 1016 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1017 | } |
| 1018 | RETURN_IF_SCHEDULED_EXCEPTION(); |
| 1019 | if (!r.IsEmpty()) { |
| 1020 | return *v8::Utils::OpenHandle(*r); |
| 1021 | } |
| 1022 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1023 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1024 | return Heap::no_interceptor_result_sentinel(); |
| 1025 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1026 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1027 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1028 | static MaybeObject* ThrowReferenceError(String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1029 | // If the load is non-contextual, just return the undefined result. |
| 1030 | // Note that both keyed and non-keyed loads may end up here, so we |
| 1031 | // can't use either LoadIC or KeyedLoadIC constructors. |
| 1032 | IC ic(IC::NO_EXTRA_FRAME); |
| 1033 | ASSERT(ic.target()->is_load_stub() || ic.target()->is_keyed_load_stub()); |
kmillikin@chromium.org | 13bd294 | 2009-12-16 15:36:05 +0000 | [diff] [blame] | 1034 | if (!ic.SlowIsContextual()) return Heap::undefined_value(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1035 | |
| 1036 | // Throw a reference error. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1037 | HandleScope scope; |
| 1038 | Handle<String> name_handle(name); |
| 1039 | Handle<Object> error = |
| 1040 | Factory::NewReferenceError("not_defined", |
| 1041 | HandleVector(&name_handle, 1)); |
| 1042 | return Top::Throw(*error); |
| 1043 | } |
| 1044 | |
| 1045 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1046 | static MaybeObject* LoadWithInterceptor(Arguments* args, |
| 1047 | PropertyAttributes* attrs) { |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1048 | Handle<String> name_handle = args->at<String>(0); |
| 1049 | Handle<InterceptorInfo> interceptor_info = args->at<InterceptorInfo>(1); |
| 1050 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 1051 | Handle<JSObject> receiver_handle = args->at<JSObject>(2); |
| 1052 | Handle<JSObject> holder_handle = args->at<JSObject>(3); |
| 1053 | ASSERT(args->length() == 5); // Last arg is data object. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1054 | |
| 1055 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1056 | v8::NamedPropertyGetter getter = |
| 1057 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1058 | ASSERT(getter != NULL); |
| 1059 | |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1060 | { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1061 | // Use the interceptor getter. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1062 | v8::AccessorInfo info(args->arguments() - |
| 1063 | kAccessorInfoOffsetInInterceptorArgs); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1064 | HandleScope scope; |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1065 | v8::Handle<v8::Value> r; |
| 1066 | { |
| 1067 | // Leaving JavaScript. |
| 1068 | VMState state(EXTERNAL); |
| 1069 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1070 | } |
| 1071 | RETURN_IF_SCHEDULED_EXCEPTION(); |
| 1072 | if (!r.IsEmpty()) { |
| 1073 | *attrs = NONE; |
| 1074 | return *v8::Utils::OpenHandle(*r); |
| 1075 | } |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1076 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1077 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1078 | MaybeObject* result = holder_handle->GetPropertyPostInterceptor( |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1079 | *receiver_handle, |
| 1080 | *name_handle, |
| 1081 | attrs); |
| 1082 | RETURN_IF_SCHEDULED_EXCEPTION(); |
| 1083 | return result; |
| 1084 | } |
| 1085 | |
| 1086 | |
| 1087 | /** |
| 1088 | * Loads a property with an interceptor performing post interceptor |
| 1089 | * lookup if interceptor failed. |
| 1090 | */ |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1091 | MaybeObject* LoadPropertyWithInterceptorForLoad(Arguments args) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1092 | PropertyAttributes attr = NONE; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1093 | Object* result; |
| 1094 | { MaybeObject* maybe_result = LoadWithInterceptor(&args, &attr); |
| 1095 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 1096 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1097 | |
| 1098 | // If the property is present, return it. |
| 1099 | if (attr != ABSENT) return result; |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1100 | return ThrowReferenceError(String::cast(args[0])); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1101 | } |
| 1102 | |
| 1103 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1104 | MaybeObject* LoadPropertyWithInterceptorForCall(Arguments args) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1105 | PropertyAttributes attr; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1106 | MaybeObject* result = LoadWithInterceptor(&args, &attr); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1107 | RETURN_IF_SCHEDULED_EXCEPTION(); |
| 1108 | // This is call IC. In this case, we simply return the undefined result which |
| 1109 | // will lead to an exception when trying to invoke the result as a |
| 1110 | // function. |
| 1111 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1115 | MaybeObject* StoreInterceptorProperty(Arguments args) { |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1116 | JSObject* recv = JSObject::cast(args[0]); |
| 1117 | String* name = String::cast(args[1]); |
| 1118 | Object* value = args[2]; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1119 | ASSERT(recv->HasNamedInterceptor()); |
| 1120 | PropertyAttributes attr = NONE; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1121 | MaybeObject* result = recv->SetPropertyWithInterceptor(name, value, attr); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1122 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1123 | } |
| 1124 | |
| 1125 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1126 | MaybeObject* KeyedLoadPropertyWithInterceptor(Arguments args) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1127 | JSObject* receiver = JSObject::cast(args[0]); |
kmillikin@chromium.org | f05f291 | 2010-09-30 10:07:24 +0000 | [diff] [blame] | 1128 | ASSERT(Smi::cast(args[1])->value() >= 0); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1129 | uint32_t index = Smi::cast(args[1])->value(); |
| 1130 | return receiver->GetElementWithInterceptor(receiver, index); |
| 1131 | } |
| 1132 | |
| 1133 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1134 | MaybeObject* StubCompiler::CompileCallInitialize(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1135 | HandleScope scope; |
| 1136 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1137 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1138 | if (kind == Code::CALL_IC) { |
| 1139 | CallIC::GenerateInitialize(masm(), argc); |
| 1140 | } else { |
| 1141 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1142 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1143 | Object* result; |
| 1144 | { MaybeObject* maybe_result = |
| 1145 | GetCodeWithFlags(flags, "CompileCallInitialize"); |
| 1146 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1147 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1148 | Counters::call_initialize_stubs.Increment(); |
| 1149 | Code* code = Code::cast(result); |
| 1150 | USE(code); |
| 1151 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_INITIALIZE_TAG), |
| 1152 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1153 | return result; |
| 1154 | } |
| 1155 | |
| 1156 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1157 | MaybeObject* StubCompiler::CompileCallPreMonomorphic(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1158 | HandleScope scope; |
| 1159 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 1160 | // The code of the PreMonomorphic stub is the same as the code |
| 1161 | // of the Initialized stub. They just differ on the code object flags. |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1162 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1163 | if (kind == Code::CALL_IC) { |
| 1164 | CallIC::GenerateInitialize(masm(), argc); |
| 1165 | } else { |
| 1166 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1167 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1168 | Object* result; |
| 1169 | { MaybeObject* maybe_result = |
| 1170 | GetCodeWithFlags(flags, "CompileCallPreMonomorphic"); |
| 1171 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1172 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1173 | Counters::call_premonomorphic_stubs.Increment(); |
| 1174 | Code* code = Code::cast(result); |
| 1175 | USE(code); |
| 1176 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_PRE_MONOMORPHIC_TAG), |
| 1177 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1178 | return result; |
| 1179 | } |
| 1180 | |
| 1181 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1182 | MaybeObject* StubCompiler::CompileCallNormal(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1183 | HandleScope scope; |
| 1184 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1185 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1186 | if (kind == Code::CALL_IC) { |
| 1187 | CallIC::GenerateNormal(masm(), argc); |
| 1188 | } else { |
| 1189 | KeyedCallIC::GenerateNormal(masm(), argc); |
| 1190 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1191 | Object* result; |
| 1192 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "CompileCallNormal"); |
| 1193 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1194 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1195 | Counters::call_normal_stubs.Increment(); |
| 1196 | Code* code = Code::cast(result); |
| 1197 | USE(code); |
| 1198 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_NORMAL_TAG), |
| 1199 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1200 | return result; |
| 1201 | } |
| 1202 | |
| 1203 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1204 | MaybeObject* StubCompiler::CompileCallMegamorphic(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1205 | HandleScope scope; |
| 1206 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1207 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1208 | if (kind == Code::CALL_IC) { |
| 1209 | CallIC::GenerateMegamorphic(masm(), argc); |
| 1210 | } else { |
| 1211 | KeyedCallIC::GenerateMegamorphic(masm(), argc); |
| 1212 | } |
| 1213 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1214 | Object* result; |
| 1215 | { MaybeObject* maybe_result = |
| 1216 | GetCodeWithFlags(flags, "CompileCallMegamorphic"); |
| 1217 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1218 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1219 | Counters::call_megamorphic_stubs.Increment(); |
| 1220 | Code* code = Code::cast(result); |
| 1221 | USE(code); |
| 1222 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG), |
| 1223 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1224 | return result; |
| 1225 | } |
| 1226 | |
| 1227 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1228 | MaybeObject* StubCompiler::CompileCallMiss(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1229 | HandleScope scope; |
| 1230 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1231 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1232 | if (kind == Code::CALL_IC) { |
| 1233 | CallIC::GenerateMiss(masm(), argc); |
| 1234 | } else { |
| 1235 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1236 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1237 | Object* result; |
| 1238 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "CompileCallMiss"); |
| 1239 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1240 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1241 | Counters::call_megamorphic_stubs.Increment(); |
| 1242 | Code* code = Code::cast(result); |
| 1243 | USE(code); |
| 1244 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MISS_TAG), |
| 1245 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1246 | return result; |
| 1247 | } |
| 1248 | |
| 1249 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1250 | #ifdef ENABLE_DEBUGGER_SUPPORT |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1251 | MaybeObject* StubCompiler::CompileCallDebugBreak(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1252 | HandleScope scope; |
ager@chromium.org | 8bb6058 | 2008-12-11 12:02:20 +0000 | [diff] [blame] | 1253 | Debug::GenerateCallICDebugBreak(masm()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1254 | Object* result; |
| 1255 | { MaybeObject* maybe_result = |
| 1256 | GetCodeWithFlags(flags, "CompileCallDebugBreak"); |
| 1257 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1258 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1259 | Code* code = Code::cast(result); |
| 1260 | USE(code); |
| 1261 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1262 | USE(kind); |
| 1263 | PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_DEBUG_BREAK_TAG), |
| 1264 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1265 | return result; |
| 1266 | } |
| 1267 | |
| 1268 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1269 | MaybeObject* StubCompiler::CompileCallDebugPrepareStepIn(Code::Flags flags) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1270 | HandleScope scope; |
| 1271 | // Use the same code for the the step in preparations as we do for |
| 1272 | // the miss case. |
| 1273 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1274 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1275 | if (kind == Code::CALL_IC) { |
| 1276 | CallIC::GenerateMiss(masm(), argc); |
| 1277 | } else { |
| 1278 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1279 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1280 | Object* result; |
| 1281 | { MaybeObject* maybe_result = |
| 1282 | GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn"); |
| 1283 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1284 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1285 | Code* code = Code::cast(result); |
| 1286 | USE(code); |
| 1287 | PROFILE(CodeCreateEvent( |
| 1288 | CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG), |
| 1289 | code, |
| 1290 | code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1291 | return result; |
| 1292 | } |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1293 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1294 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1295 | #undef CALL_LOGGER_TAG |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1296 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1297 | MaybeObject* StubCompiler::GetCodeWithFlags(Code::Flags flags, |
| 1298 | const char* name) { |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1299 | // Check for allocation failures during stub compilation. |
| 1300 | if (failure_->IsFailure()) return failure_; |
| 1301 | |
| 1302 | // Create code object in the heap. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1303 | CodeDesc desc; |
| 1304 | masm_.GetCode(&desc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1305 | MaybeObject* result = Heap::CreateCode(desc, flags, masm_.CodeObject()); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1306 | #ifdef ENABLE_DISASSEMBLER |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1307 | if (FLAG_print_code_stubs && !result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1308 | Code::cast(result->ToObjectUnchecked())->Disassemble(name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1309 | } |
| 1310 | #endif |
| 1311 | return result; |
| 1312 | } |
| 1313 | |
| 1314 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1315 | MaybeObject* StubCompiler::GetCodeWithFlags(Code::Flags flags, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1316 | if (FLAG_print_code_stubs && (name != NULL)) { |
| 1317 | return GetCodeWithFlags(flags, *name->ToCString()); |
| 1318 | } |
| 1319 | return GetCodeWithFlags(flags, reinterpret_cast<char*>(NULL)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1320 | } |
| 1321 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1322 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1323 | void StubCompiler::LookupPostInterceptor(JSObject* holder, |
| 1324 | String* name, |
| 1325 | LookupResult* lookup) { |
| 1326 | holder->LocalLookupRealNamedProperty(name, lookup); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1327 | if (!lookup->IsProperty()) { |
| 1328 | lookup->NotFound(); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1329 | Object* proto = holder->GetPrototype(); |
| 1330 | if (proto != Heap::null_value()) { |
| 1331 | proto->Lookup(name, lookup); |
| 1332 | } |
| 1333 | } |
| 1334 | } |
| 1335 | |
| 1336 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1337 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1338 | MaybeObject* LoadStubCompiler::GetCode(PropertyType type, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1339 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1340 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1341 | if (!result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1342 | PROFILE(CodeCreateEvent(Logger::LOAD_IC_TAG, |
| 1343 | Code::cast(result->ToObjectUnchecked()), |
| 1344 | name)); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1345 | } |
| 1346 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1347 | } |
| 1348 | |
| 1349 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1350 | MaybeObject* KeyedLoadStubCompiler::GetCode(PropertyType type, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1351 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1352 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1353 | if (!result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1354 | PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, |
| 1355 | Code::cast(result->ToObjectUnchecked()), |
| 1356 | name)); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1357 | } |
| 1358 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
| 1361 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1362 | MaybeObject* StoreStubCompiler::GetCode(PropertyType type, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1363 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1364 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1365 | if (!result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1366 | PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, |
| 1367 | Code::cast(result->ToObjectUnchecked()), |
| 1368 | name)); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1369 | } |
| 1370 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1371 | } |
| 1372 | |
| 1373 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1374 | MaybeObject* KeyedStoreStubCompiler::GetCode(PropertyType type, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1375 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1376 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1377 | if (!result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1378 | PROFILE(CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, |
| 1379 | Code::cast(result->ToObjectUnchecked()), |
| 1380 | name)); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1381 | } |
| 1382 | return result; |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1383 | } |
| 1384 | |
| 1385 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1386 | CallStubCompiler::CallStubCompiler(int argc, |
| 1387 | InLoopFlag in_loop, |
| 1388 | Code::Kind kind, |
| 1389 | InlineCacheHolderFlag cache_holder) |
| 1390 | : arguments_(argc) |
| 1391 | , in_loop_(in_loop) |
| 1392 | , kind_(kind) |
| 1393 | , cache_holder_(cache_holder) { |
| 1394 | } |
| 1395 | |
| 1396 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1397 | MaybeObject* CallStubCompiler::CompileCustomCall(int generator_id, |
| 1398 | Object* object, |
| 1399 | JSObject* holder, |
| 1400 | JSGlobalPropertyCell* cell, |
| 1401 | JSFunction* function, |
| 1402 | String* fname) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1403 | ASSERT(generator_id >= 0 && generator_id < kNumCallGenerators); |
| 1404 | switch (generator_id) { |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 1405 | #define CALL_GENERATOR_CASE(ignored1, ignored2, name) \ |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1406 | case k##name##CallGenerator: \ |
| 1407 | return CallStubCompiler::Compile##name##Call(object, \ |
| 1408 | holder, \ |
| 1409 | cell, \ |
| 1410 | function, \ |
| 1411 | fname); |
| 1412 | CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE) |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1413 | #undef CALL_GENERATOR_CASE |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 1414 | } |
| 1415 | UNREACHABLE(); |
| 1416 | return Heap::undefined_value(); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1417 | } |
| 1418 | |
| 1419 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1420 | MaybeObject* CallStubCompiler::GetCode(PropertyType type, String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1421 | int argc = arguments_.immediate(); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1422 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind_, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1423 | type, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1424 | cache_holder_, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1425 | in_loop_, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1426 | argc); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1427 | return GetCodeWithFlags(flags, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1428 | } |
| 1429 | |
| 1430 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1431 | MaybeObject* CallStubCompiler::GetCode(JSFunction* function) { |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1432 | String* function_name = NULL; |
| 1433 | if (function->shared()->name()->IsString()) { |
| 1434 | function_name = String::cast(function->shared()->name()); |
| 1435 | } |
| 1436 | return GetCode(CONSTANT_FUNCTION, function_name); |
| 1437 | } |
| 1438 | |
| 1439 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1440 | MaybeObject* ConstructStubCompiler::GetCode() { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1441 | Code::Flags flags = Code::ComputeFlags(Code::STUB); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1442 | Object* result; |
| 1443 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "ConstructStub"); |
| 1444 | if (!maybe_result->ToObject(&result)) return maybe_result; |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1445 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1446 | Code* code = Code::cast(result); |
| 1447 | USE(code); |
| 1448 | PROFILE(CodeCreateEvent(Logger::STUB_TAG, code, "ConstructStub")); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1449 | return result; |
| 1450 | } |
| 1451 | |
| 1452 | |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 1453 | CallOptimization::CallOptimization(LookupResult* lookup) { |
| 1454 | if (!lookup->IsProperty() || !lookup->IsCacheable() || |
| 1455 | lookup->type() != CONSTANT_FUNCTION) { |
| 1456 | Initialize(NULL); |
| 1457 | } else { |
| 1458 | // We only optimize constant function calls. |
| 1459 | Initialize(lookup->GetConstantFunction()); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | CallOptimization::CallOptimization(JSFunction* function) { |
| 1464 | Initialize(function); |
| 1465 | } |
| 1466 | |
| 1467 | |
| 1468 | int CallOptimization::GetPrototypeDepthOfExpectedType(JSObject* object, |
| 1469 | JSObject* holder) const { |
| 1470 | ASSERT(is_simple_api_call_); |
| 1471 | if (expected_receiver_type_ == NULL) return 0; |
| 1472 | int depth = 0; |
| 1473 | while (object != holder) { |
| 1474 | if (object->IsInstanceOf(expected_receiver_type_)) return depth; |
| 1475 | object = JSObject::cast(object->GetPrototype()); |
| 1476 | ++depth; |
| 1477 | } |
| 1478 | if (holder->IsInstanceOf(expected_receiver_type_)) return depth; |
| 1479 | return kInvalidProtoDepth; |
| 1480 | } |
| 1481 | |
| 1482 | |
| 1483 | void CallOptimization::Initialize(JSFunction* function) { |
| 1484 | constant_function_ = NULL; |
| 1485 | is_simple_api_call_ = false; |
| 1486 | expected_receiver_type_ = NULL; |
| 1487 | api_call_info_ = NULL; |
| 1488 | |
| 1489 | if (function == NULL || !function->is_compiled()) return; |
| 1490 | |
| 1491 | constant_function_ = function; |
| 1492 | AnalyzePossibleApiFunction(function); |
| 1493 | } |
| 1494 | |
| 1495 | |
| 1496 | void CallOptimization::AnalyzePossibleApiFunction(JSFunction* function) { |
| 1497 | SharedFunctionInfo* sfi = function->shared(); |
| 1498 | if (!sfi->IsApiFunction()) return; |
| 1499 | FunctionTemplateInfo* info = sfi->get_api_func_data(); |
| 1500 | |
| 1501 | // Require a C++ callback. |
| 1502 | if (info->call_code()->IsUndefined()) return; |
| 1503 | api_call_info_ = CallHandlerInfo::cast(info->call_code()); |
| 1504 | |
| 1505 | // Accept signatures that either have no restrictions at all or |
| 1506 | // only have restrictions on the receiver. |
| 1507 | if (!info->signature()->IsUndefined()) { |
| 1508 | SignatureInfo* signature = SignatureInfo::cast(info->signature()); |
| 1509 | if (!signature->args()->IsUndefined()) return; |
| 1510 | if (!signature->receiver()->IsUndefined()) { |
| 1511 | expected_receiver_type_ = |
| 1512 | FunctionTemplateInfo::cast(signature->receiver()); |
| 1513 | } |
| 1514 | } |
| 1515 | |
| 1516 | is_simple_api_call_ = true; |
| 1517 | } |
| 1518 | |
| 1519 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1520 | } } // namespace v8::internal |