ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 1 | // Copyright 2011 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" |
ricow@chromium.org | ddd545c | 2011-08-24 12:02:41 +0000 | [diff] [blame] | 32 | #include "ast.h" |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 33 | #include "code-stubs.h" |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 34 | #include "gdb-jit.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 35 | #include "ic-inl.h" |
| 36 | #include "stub-cache.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 37 | #include "vm-state-inl.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 38 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 39 | namespace v8 { |
| 40 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 41 | |
| 42 | // ----------------------------------------------------------------------- |
| 43 | // StubCache implementation. |
| 44 | |
| 45 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 46 | StubCache::StubCache(Isolate* isolate) : isolate_(isolate) { |
| 47 | ASSERT(isolate == Isolate::Current()); |
| 48 | memset(primary_, 0, sizeof(primary_[0]) * StubCache::kPrimaryTableSize); |
| 49 | memset(secondary_, 0, sizeof(secondary_[0]) * StubCache::kSecondaryTableSize); |
| 50 | } |
| 51 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 52 | |
| 53 | void StubCache::Initialize(bool create_heap_objects) { |
| 54 | ASSERT(IsPowerOf2(kPrimaryTableSize)); |
| 55 | ASSERT(IsPowerOf2(kSecondaryTableSize)); |
| 56 | if (create_heap_objects) { |
| 57 | HandleScope scope; |
| 58 | Clear(); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | |
| 63 | Code* StubCache::Set(String* name, Map* map, Code* code) { |
| 64 | // Get the flags from the code. |
| 65 | Code::Flags flags = Code::RemoveTypeFromFlags(code->flags()); |
| 66 | |
| 67 | // Validate that the name does not move on scavenge, and that we |
| 68 | // can use identity checks instead of string equality checks. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 69 | ASSERT(!heap()->InNewSpace(name)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 70 | ASSERT(name->IsSymbol()); |
| 71 | |
| 72 | // The state bits are not important to the hash function because |
| 73 | // the stub cache only contains monomorphic stubs. Make sure that |
| 74 | // the bits are the least significant so they will be the ones |
| 75 | // masked out. |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 76 | ASSERT(Code::ExtractICStateFromFlags(flags) == MONOMORPHIC); |
| 77 | ASSERT(Code::kFlagsICStateShift == 0); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 78 | |
| 79 | // Make sure that the code type is not included in the hash. |
| 80 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 81 | |
| 82 | // Compute the primary entry. |
| 83 | int primary_offset = PrimaryOffset(name, flags, map); |
| 84 | Entry* primary = entry(primary_, primary_offset); |
| 85 | Code* hit = primary->value; |
| 86 | |
| 87 | // If the primary entry has useful data in it, we retire it to the |
| 88 | // secondary cache before overwriting it. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 89 | if (hit != isolate_->builtins()->builtin(Builtins::kIllegal)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 90 | Code::Flags primary_flags = Code::RemoveTypeFromFlags(hit->flags()); |
| 91 | int secondary_offset = |
| 92 | SecondaryOffset(primary->key, primary_flags, primary_offset); |
| 93 | Entry* secondary = entry(secondary_, secondary_offset); |
| 94 | *secondary = *primary; |
| 95 | } |
| 96 | |
| 97 | // Update primary cache. |
| 98 | primary->key = name; |
| 99 | primary->value = code; |
| 100 | return code; |
| 101 | } |
| 102 | |
| 103 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 104 | MaybeObject* StubCache::ComputeLoadNonexistent(String* name, |
| 105 | JSObject* receiver) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 106 | ASSERT(receiver->IsGlobalObject() || receiver->HasFastProperties()); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 107 | // If no global objects are present in the prototype chain, the load |
| 108 | // nonexistent IC stub can be shared for all names for a given map |
| 109 | // and we use the empty string for the map cache in that case. If |
| 110 | // there are global objects involved, we need to check global |
| 111 | // property cells in the stub and therefore the stub will be |
| 112 | // specific to the name. |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 113 | String* cache_name = heap()->empty_string(); |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 114 | if (receiver->IsGlobalObject()) cache_name = name; |
| 115 | JSObject* last = receiver; |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 116 | while (last->GetPrototype() != heap()->null_value()) { |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 117 | last = JSObject::cast(last->GetPrototype()); |
| 118 | if (last->IsGlobalObject()) cache_name = name; |
| 119 | } |
| 120 | // Compile the stub that is either shared for all names or |
| 121 | // name specific if there are global objects involved. |
| 122 | Code::Flags flags = |
| 123 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, NONEXISTENT); |
| 124 | Object* code = receiver->map()->FindInCodeCache(cache_name, flags); |
| 125 | if (code->IsUndefined()) { |
| 126 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 127 | { MaybeObject* maybe_code = |
| 128 | compiler.CompileLoadNonexistent(cache_name, receiver, last); |
| 129 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 130 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 131 | PROFILE(isolate_, |
| 132 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), cache_name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 133 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, cache_name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 134 | Object* result; |
| 135 | { MaybeObject* maybe_result = |
| 136 | receiver->UpdateMapCodeCache(cache_name, Code::cast(code)); |
| 137 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 138 | } |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 139 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 140 | return code; |
ricow@chromium.org | c9c8082 | 2010-04-21 08:22:37 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 144 | MaybeObject* StubCache::ComputeLoadField(String* name, |
| 145 | JSObject* receiver, |
| 146 | JSObject* holder, |
| 147 | int field_index) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 148 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 149 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, FIELD); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 150 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 151 | if (code->IsUndefined()) { |
| 152 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 153 | { MaybeObject* maybe_code = |
| 154 | compiler.CompileLoadField(receiver, holder, field_index, name); |
| 155 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 156 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 157 | PROFILE(isolate_, |
| 158 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 159 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 160 | Object* result; |
| 161 | { MaybeObject* maybe_result = |
| 162 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 163 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 164 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 165 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 166 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 170 | MaybeObject* StubCache::ComputeLoadCallback(String* name, |
| 171 | JSObject* receiver, |
| 172 | JSObject* holder, |
| 173 | AccessorInfo* callback) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 174 | ASSERT(v8::ToCData<Address>(callback->getter()) != 0); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 175 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 176 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 177 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 178 | if (code->IsUndefined()) { |
| 179 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 180 | { MaybeObject* maybe_code = |
| 181 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 182 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 183 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 184 | PROFILE(isolate_, |
| 185 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 186 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 187 | Object* result; |
| 188 | { MaybeObject* maybe_result = |
| 189 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 190 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 191 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 192 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 193 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 197 | MaybeObject* StubCache::ComputeLoadConstant(String* name, |
| 198 | JSObject* receiver, |
| 199 | JSObject* holder, |
| 200 | Object* value) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 201 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 202 | Code::Flags flags = |
| 203 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, CONSTANT_FUNCTION); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 204 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 205 | if (code->IsUndefined()) { |
| 206 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 207 | { MaybeObject* maybe_code = |
| 208 | compiler.CompileLoadConstant(receiver, holder, value, name); |
| 209 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 210 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 211 | PROFILE(isolate_, |
| 212 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 213 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 214 | Object* result; |
| 215 | { MaybeObject* maybe_result = |
| 216 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 217 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 218 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 219 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 220 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 224 | MaybeObject* StubCache::ComputeLoadInterceptor(String* name, |
| 225 | JSObject* receiver, |
| 226 | JSObject* holder) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 227 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 228 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, INTERCEPTOR); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 229 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 230 | if (code->IsUndefined()) { |
| 231 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 232 | { MaybeObject* maybe_code = |
| 233 | compiler.CompileLoadInterceptor(receiver, holder, name); |
| 234 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 235 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 236 | PROFILE(isolate_, |
| 237 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 238 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 239 | Object* result; |
| 240 | { MaybeObject* maybe_result = |
| 241 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 242 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 243 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 244 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 245 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 249 | MaybeObject* StubCache::ComputeLoadNormal() { |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 250 | return isolate_->builtins()->builtin(Builtins::kLoadIC_Normal); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 254 | MaybeObject* StubCache::ComputeLoadGlobal(String* name, |
| 255 | JSObject* receiver, |
| 256 | GlobalObject* holder, |
| 257 | JSGlobalPropertyCell* cell, |
| 258 | bool is_dont_delete) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 259 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 260 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, NORMAL); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 261 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 262 | if (code->IsUndefined()) { |
| 263 | LoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 264 | { MaybeObject* maybe_code = compiler.CompileLoadGlobal(receiver, |
| 265 | holder, |
| 266 | cell, |
| 267 | name, |
| 268 | is_dont_delete); |
| 269 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 270 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 271 | PROFILE(isolate_, |
| 272 | CodeCreateEvent(Logger::LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 273 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 274 | Object* result; |
| 275 | { MaybeObject* maybe_result = |
| 276 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 277 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 278 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 279 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 280 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 284 | MaybeObject* StubCache::ComputeKeyedLoadField(String* name, |
| 285 | JSObject* receiver, |
| 286 | JSObject* holder, |
| 287 | int field_index) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 288 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 289 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, FIELD); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 290 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 291 | if (code->IsUndefined()) { |
| 292 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 293 | { MaybeObject* maybe_code = |
| 294 | compiler.CompileLoadField(name, receiver, holder, field_index); |
| 295 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 296 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 297 | PROFILE(isolate_, |
| 298 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 299 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 300 | Object* result; |
| 301 | { MaybeObject* maybe_result = |
| 302 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 303 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 304 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 305 | } |
| 306 | return code; |
| 307 | } |
| 308 | |
| 309 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 310 | MaybeObject* StubCache::ComputeKeyedLoadConstant(String* name, |
| 311 | JSObject* receiver, |
| 312 | JSObject* holder, |
| 313 | Object* value) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 314 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 315 | Code::Flags flags = |
| 316 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CONSTANT_FUNCTION); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 317 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 318 | if (code->IsUndefined()) { |
| 319 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 320 | { MaybeObject* maybe_code = |
| 321 | compiler.CompileLoadConstant(name, receiver, holder, value); |
| 322 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 323 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 324 | PROFILE(isolate_, |
| 325 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 326 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
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::ComputeKeyedLoadInterceptor(String* name, |
| 338 | JSObject* receiver, |
| 339 | JSObject* holder) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 340 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 341 | Code::Flags flags = |
| 342 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, INTERCEPTOR); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 343 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 344 | if (code->IsUndefined()) { |
| 345 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 346 | { MaybeObject* maybe_code = |
| 347 | compiler.CompileLoadInterceptor(receiver, holder, name); |
| 348 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 349 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 350 | PROFILE(isolate_, |
| 351 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 352 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 353 | Object* result; |
| 354 | { MaybeObject* maybe_result = |
| 355 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 356 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 357 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 358 | } |
| 359 | return code; |
| 360 | } |
| 361 | |
| 362 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 363 | MaybeObject* StubCache::ComputeKeyedLoadCallback(String* name, |
| 364 | JSObject* receiver, |
| 365 | JSObject* holder, |
| 366 | AccessorInfo* callback) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 367 | ASSERT(IC::GetCodeCacheForObject(receiver, holder) == OWN_MAP); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 368 | Code::Flags flags = |
| 369 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 370 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 371 | if (code->IsUndefined()) { |
| 372 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 373 | { MaybeObject* maybe_code = |
| 374 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 375 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 376 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 377 | PROFILE(isolate_, |
| 378 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 379 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 380 | Object* result; |
| 381 | { MaybeObject* maybe_result = |
| 382 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 383 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 384 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 385 | } |
| 386 | return code; |
| 387 | } |
| 388 | |
| 389 | |
| 390 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 391 | MaybeObject* StubCache::ComputeKeyedLoadArrayLength(String* name, |
| 392 | JSArray* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 393 | Code::Flags flags = |
| 394 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 395 | ASSERT(receiver->IsJSObject()); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 396 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 397 | if (code->IsUndefined()) { |
| 398 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 399 | { MaybeObject* maybe_code = compiler.CompileLoadArrayLength(name); |
| 400 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 401 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 402 | PROFILE(isolate_, |
| 403 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 404 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 405 | Object* result; |
| 406 | { MaybeObject* maybe_result = |
| 407 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 408 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 409 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 410 | } |
| 411 | return code; |
| 412 | } |
| 413 | |
| 414 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 415 | MaybeObject* StubCache::ComputeKeyedLoadStringLength(String* name, |
| 416 | String* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 417 | Code::Flags flags = |
| 418 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 419 | Map* map = receiver->map(); |
| 420 | Object* code = map->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 421 | if (code->IsUndefined()) { |
| 422 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 423 | { MaybeObject* maybe_code = compiler.CompileLoadStringLength(name); |
| 424 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 425 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 426 | PROFILE(isolate_, |
| 427 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 428 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 429 | Object* result; |
| 430 | { MaybeObject* maybe_result = map->UpdateCodeCache(name, Code::cast(code)); |
| 431 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 432 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 433 | } |
| 434 | return code; |
| 435 | } |
| 436 | |
| 437 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 438 | MaybeObject* StubCache::ComputeKeyedLoadFunctionPrototype( |
| 439 | String* name, |
| 440 | JSFunction* receiver) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 441 | Code::Flags flags = |
| 442 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 443 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 444 | if (code->IsUndefined()) { |
| 445 | KeyedLoadStubCompiler compiler; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 446 | { MaybeObject* maybe_code = compiler.CompileLoadFunctionPrototype(name); |
| 447 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 448 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 449 | PROFILE(isolate_, |
| 450 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 451 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 452 | Object* result; |
| 453 | { MaybeObject* maybe_result = |
| 454 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 455 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 456 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 457 | } |
| 458 | return code; |
| 459 | } |
| 460 | |
| 461 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 462 | MaybeObject* StubCache::ComputeStoreField(String* name, |
| 463 | JSObject* receiver, |
| 464 | int field_index, |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 465 | Map* transition, |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 466 | StrictModeFlag strict_mode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 467 | PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION; |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 468 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 469 | Code::STORE_IC, type, strict_mode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 470 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 471 | if (code->IsUndefined()) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 472 | StoreStubCompiler compiler(strict_mode); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 473 | { MaybeObject* maybe_code = |
| 474 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 475 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 476 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 477 | PROFILE(isolate_, |
| 478 | CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 479 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 480 | Object* result; |
| 481 | { MaybeObject* maybe_result = |
| 482 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 483 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 484 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 485 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 486 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 487 | } |
| 488 | |
| 489 | |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 490 | MaybeObject* StubCache::ComputeKeyedLoadOrStoreElement( |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 491 | JSObject* receiver, |
| 492 | bool is_store, |
| 493 | StrictModeFlag strict_mode) { |
| 494 | Code::Flags flags = |
| 495 | Code::ComputeMonomorphicFlags( |
| 496 | is_store ? Code::KEYED_STORE_IC : |
| 497 | Code::KEYED_LOAD_IC, |
| 498 | NORMAL, |
| 499 | strict_mode); |
| 500 | String* name = is_store |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 501 | ? isolate()->heap()->KeyedStoreElementMonomorphic_symbol() |
| 502 | : isolate()->heap()->KeyedLoadElementMonomorphic_symbol(); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 503 | Object* maybe_code = receiver->map()->FindInCodeCache(name, flags); |
| 504 | if (!maybe_code->IsUndefined()) return Code::cast(maybe_code); |
| 505 | |
| 506 | MaybeObject* maybe_new_code = NULL; |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 507 | Map* receiver_map = receiver->map(); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 508 | if (is_store) { |
| 509 | KeyedStoreStubCompiler compiler(strict_mode); |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 510 | maybe_new_code = compiler.CompileStoreElement(receiver_map); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 511 | } else { |
| 512 | KeyedLoadStubCompiler compiler; |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 513 | maybe_new_code = compiler.CompileLoadElement(receiver_map); |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 514 | } |
| 515 | Code* code; |
| 516 | if (!maybe_new_code->To(&code)) return maybe_new_code; |
| 517 | if (is_store) { |
| 518 | PROFILE(isolate_, |
| 519 | CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, |
| 520 | Code::cast(code), 0)); |
| 521 | } else { |
| 522 | PROFILE(isolate_, |
| 523 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, |
| 524 | Code::cast(code), 0)); |
| 525 | } |
| 526 | ASSERT(code->IsCode()); |
| 527 | Object* result; |
| 528 | { MaybeObject* maybe_result = |
| 529 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 530 | if (!maybe_result->ToObject(&result)) return maybe_result; |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 531 | } |
| 532 | return code; |
| 533 | } |
| 534 | |
| 535 | |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 536 | MaybeObject* StubCache::ComputeStoreNormal(StrictModeFlag strict_mode) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 537 | return isolate_->builtins()->builtin((strict_mode == kStrictMode) |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 538 | ? Builtins::kStoreIC_Normal_Strict |
| 539 | : Builtins::kStoreIC_Normal); |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 540 | } |
| 541 | |
| 542 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 543 | MaybeObject* StubCache::ComputeStoreGlobal(String* name, |
| 544 | GlobalObject* receiver, |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 545 | JSGlobalPropertyCell* cell, |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 546 | StrictModeFlag strict_mode) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 547 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 548 | Code::STORE_IC, NORMAL, strict_mode); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 549 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 550 | if (code->IsUndefined()) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 551 | StoreStubCompiler compiler(strict_mode); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 552 | { MaybeObject* maybe_code = |
| 553 | compiler.CompileStoreGlobal(receiver, cell, name); |
| 554 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 555 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 556 | PROFILE(isolate_, |
| 557 | CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 558 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 559 | Object* result; |
| 560 | { MaybeObject* maybe_result = |
| 561 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 562 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 563 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 564 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 565 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 569 | MaybeObject* StubCache::ComputeStoreCallback( |
| 570 | String* name, |
| 571 | JSObject* receiver, |
| 572 | AccessorInfo* callback, |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 573 | StrictModeFlag strict_mode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 574 | ASSERT(v8::ToCData<Address>(callback->setter()) != 0); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 575 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 576 | Code::STORE_IC, CALLBACKS, strict_mode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 577 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 578 | if (code->IsUndefined()) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 579 | StoreStubCompiler compiler(strict_mode); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 580 | { MaybeObject* maybe_code = |
| 581 | compiler.CompileStoreCallback(receiver, callback, name); |
| 582 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 583 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 584 | PROFILE(isolate_, |
| 585 | CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 586 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 587 | Object* result; |
| 588 | { MaybeObject* maybe_result = |
| 589 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 590 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 591 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 592 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 593 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 594 | } |
| 595 | |
| 596 | |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 597 | MaybeObject* StubCache::ComputeStoreInterceptor( |
| 598 | String* name, |
| 599 | JSObject* receiver, |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 600 | StrictModeFlag strict_mode) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 601 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 602 | Code::STORE_IC, INTERCEPTOR, strict_mode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 603 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 604 | if (code->IsUndefined()) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 605 | StoreStubCompiler compiler(strict_mode); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 606 | { MaybeObject* maybe_code = |
| 607 | compiler.CompileStoreInterceptor(receiver, name); |
| 608 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 609 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 610 | PROFILE(isolate_, |
| 611 | CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 612 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 613 | Object* result; |
| 614 | { MaybeObject* maybe_result = |
| 615 | receiver->UpdateMapCodeCache(name, Code::cast(code)); |
| 616 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 617 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 618 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 619 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 620 | } |
| 621 | |
| 622 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 623 | MaybeObject* StubCache::ComputeKeyedStoreField(String* name, |
| 624 | JSObject* receiver, |
| 625 | int field_index, |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 626 | Map* transition, |
| 627 | StrictModeFlag strict_mode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 628 | PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION; |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 629 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
| 630 | Code::KEYED_STORE_IC, type, strict_mode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 631 | Object* code = receiver->map()->FindInCodeCache(name, flags); |
| 632 | if (code->IsUndefined()) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 633 | KeyedStoreStubCompiler compiler(strict_mode); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 634 | { MaybeObject* maybe_code = |
| 635 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 636 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 637 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 638 | PROFILE(isolate(), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 639 | CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, |
| 640 | Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 641 | GDBJIT(AddCode(GDBJITInterface::KEYED_STORE_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 642 | Object* result; |
| 643 | { MaybeObject* maybe_result = |
| 644 | receiver->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 | } |
| 648 | return code; |
| 649 | } |
| 650 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 651 | #define CALL_LOGGER_TAG(kind, type) \ |
| 652 | (kind == Code::CALL_IC ? Logger::type : Logger::KEYED_##type) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 653 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 654 | MaybeObject* StubCache::ComputeCallConstant(int argc, |
| 655 | InLoopFlag in_loop, |
| 656 | Code::Kind kind, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 657 | Code::ExtraICState extra_ic_state, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 658 | String* name, |
| 659 | Object* object, |
| 660 | JSObject* holder, |
| 661 | JSFunction* function) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 662 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 663 | InlineCacheHolderFlag cache_holder = |
| 664 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 665 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 666 | |
| 667 | // Compute check type based on receiver/holder. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 668 | CheckType check = RECEIVER_MAP_CHECK; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 669 | if (object->IsString()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 670 | check = STRING_CHECK; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 671 | } else if (object->IsNumber()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 672 | check = NUMBER_CHECK; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 673 | } else if (object->IsBoolean()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 674 | check = BOOLEAN_CHECK; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 675 | } |
| 676 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 677 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind, |
| 678 | CONSTANT_FUNCTION, |
| 679 | extra_ic_state, |
| 680 | cache_holder, |
| 681 | in_loop, |
| 682 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 683 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 684 | if (code->IsUndefined()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 685 | // If the function hasn't been compiled yet, we cannot do it now |
| 686 | // because it may cause GC. To avoid this issue, we return an |
| 687 | // internal error which will make sure we do not update any |
| 688 | // caches. |
| 689 | if (!function->is_compiled()) return Failure::InternalError(); |
| 690 | // Compile the stub - only create stubs for fully compiled functions. |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 691 | CallStubCompiler compiler( |
| 692 | argc, in_loop, kind, extra_ic_state, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 693 | { MaybeObject* maybe_code = |
| 694 | compiler.CompileCallConstant(object, holder, function, name, check); |
| 695 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 696 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 697 | Code::cast(code)->set_check_type(check); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 698 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 699 | PROFILE(isolate_, |
| 700 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 701 | Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 702 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 703 | Object* result; |
| 704 | { MaybeObject* maybe_result = |
| 705 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 706 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 707 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 708 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 709 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 710 | } |
| 711 | |
| 712 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 713 | MaybeObject* StubCache::ComputeCallField(int argc, |
| 714 | InLoopFlag in_loop, |
| 715 | Code::Kind kind, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 716 | Code::ExtraICState extra_ic_state, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 717 | String* name, |
| 718 | Object* object, |
| 719 | JSObject* holder, |
| 720 | int index) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 721 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 722 | InlineCacheHolderFlag cache_holder = |
| 723 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 724 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 725 | |
| 726 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 727 | // because they may be represented as immediates without a |
| 728 | // map. Instead, we check against the map in the holder. |
| 729 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 730 | object = holder; |
| 731 | } |
| 732 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 733 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 734 | FIELD, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 735 | extra_ic_state, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 736 | cache_holder, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 737 | in_loop, |
| 738 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 739 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 740 | if (code->IsUndefined()) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 741 | CallStubCompiler compiler( |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 742 | argc, in_loop, kind, extra_ic_state, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 743 | { MaybeObject* maybe_code = |
| 744 | compiler.CompileCallField(JSObject::cast(object), |
| 745 | holder, |
| 746 | index, |
| 747 | name); |
| 748 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 749 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 750 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 751 | PROFILE(isolate_, |
| 752 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 753 | Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 754 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 755 | Object* result; |
| 756 | { MaybeObject* maybe_result = |
| 757 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 758 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 759 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 760 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 761 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 765 | MaybeObject* StubCache::ComputeCallInterceptor( |
| 766 | int argc, |
| 767 | Code::Kind kind, |
| 768 | Code::ExtraICState extra_ic_state, |
| 769 | String* name, |
| 770 | Object* object, |
| 771 | JSObject* holder) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 772 | // Compute the check type and the map. |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 773 | InlineCacheHolderFlag cache_holder = |
| 774 | IC::GetCodeCacheForObject(object, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 775 | JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 776 | |
| 777 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 778 | // because they may be represented as immediates without a |
| 779 | // map. Instead, we check against the map in the holder. |
| 780 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 781 | object = holder; |
| 782 | } |
| 783 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 784 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind, |
| 785 | INTERCEPTOR, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 786 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 787 | cache_holder, |
| 788 | NOT_IN_LOOP, |
| 789 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 790 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 791 | if (code->IsUndefined()) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 792 | CallStubCompiler compiler( |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 793 | argc, NOT_IN_LOOP, kind, extra_ic_state, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 794 | { MaybeObject* maybe_code = |
| 795 | compiler.CompileCallInterceptor(JSObject::cast(object), holder, name); |
| 796 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 797 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 798 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 799 | PROFILE(isolate(), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 800 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 801 | Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 802 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 803 | Object* result; |
| 804 | { MaybeObject* maybe_result = |
| 805 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 806 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 807 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 808 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 809 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 810 | } |
| 811 | |
| 812 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 813 | MaybeObject* StubCache::ComputeCallNormal(int argc, |
| 814 | InLoopFlag in_loop, |
| 815 | Code::Kind kind, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 816 | Code::ExtraICState extra_ic_state, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 817 | String* name, |
| 818 | JSObject* receiver) { |
| 819 | Object* code; |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 820 | { MaybeObject* maybe_code = |
| 821 | ComputeCallNormal(argc, in_loop, kind, extra_ic_state); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 822 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 823 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 824 | return code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 825 | } |
| 826 | |
| 827 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 828 | MaybeObject* StubCache::ComputeCallGlobal(int argc, |
| 829 | InLoopFlag in_loop, |
| 830 | Code::Kind kind, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 831 | Code::ExtraICState extra_ic_state, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 832 | String* name, |
| 833 | JSObject* receiver, |
| 834 | GlobalObject* holder, |
| 835 | JSGlobalPropertyCell* cell, |
| 836 | JSFunction* function) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 837 | InlineCacheHolderFlag cache_holder = |
| 838 | IC::GetCodeCacheForObject(receiver, holder); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 839 | JSObject* map_holder = IC::GetCodeCacheHolder(receiver, cache_holder); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 840 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind, |
| 841 | NORMAL, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 842 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 843 | cache_holder, |
| 844 | in_loop, |
| 845 | argc); |
ricow@chromium.org | 65fae84 | 2010-08-25 15:26:24 +0000 | [diff] [blame] | 846 | Object* code = map_holder->map()->FindInCodeCache(name, flags); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 847 | if (code->IsUndefined()) { |
| 848 | // If the function hasn't been compiled yet, we cannot do it now |
| 849 | // because it may cause GC. To avoid this issue, we return an |
| 850 | // internal error which will make sure we do not update any |
| 851 | // caches. |
| 852 | if (!function->is_compiled()) return Failure::InternalError(); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 853 | CallStubCompiler compiler( |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 854 | argc, in_loop, kind, extra_ic_state, cache_holder); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 855 | { MaybeObject* maybe_code = |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 856 | compiler.CompileCallGlobal(receiver, holder, cell, function, name); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 857 | if (!maybe_code->ToObject(&code)) return maybe_code; |
| 858 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 859 | ASSERT_EQ(flags, Code::cast(code)->flags()); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 860 | PROFILE(isolate(), |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 861 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 862 | Code::cast(code), name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 863 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, name, Code::cast(code))); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 864 | Object* result; |
| 865 | { MaybeObject* maybe_result = |
| 866 | map_holder->UpdateMapCodeCache(name, Code::cast(code)); |
| 867 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 868 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 869 | } |
whesse@chromium.org | 2c186ca | 2010-06-16 11:32:39 +0000 | [diff] [blame] | 870 | return code; |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 871 | } |
| 872 | |
| 873 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 874 | static Object* GetProbeValue(Isolate* isolate, Code::Flags flags) { |
kasperl@chromium.org | 68ac009 | 2009-07-09 06:00:35 +0000 | [diff] [blame] | 875 | // Use raw_unchecked... so we don't get assert failures during GC. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 876 | NumberDictionary* dictionary = |
| 877 | isolate->heap()->raw_unchecked_non_monomorphic_cache(); |
| 878 | int entry = dictionary->FindEntry(isolate, flags); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 879 | if (entry != -1) return dictionary->ValueAt(entry); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 880 | return isolate->heap()->raw_unchecked_undefined_value(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 881 | } |
| 882 | |
| 883 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 884 | MUST_USE_RESULT static MaybeObject* ProbeCache(Isolate* isolate, |
| 885 | Code::Flags flags) { |
| 886 | Heap* heap = isolate->heap(); |
| 887 | Object* probe = GetProbeValue(isolate, flags); |
| 888 | if (probe != heap->undefined_value()) return probe; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 889 | // Seed the cache with an undefined value to make sure that any |
| 890 | // generated code object can always be inserted into the cache |
| 891 | // without causing allocation failures. |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 892 | Object* result; |
| 893 | { MaybeObject* maybe_result = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 894 | heap->non_monomorphic_cache()->AtNumberPut(flags, |
| 895 | heap->undefined_value()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 896 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 897 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 898 | heap->public_set_non_monomorphic_cache(NumberDictionary::cast(result)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 899 | return probe; |
| 900 | } |
| 901 | |
| 902 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 903 | static MaybeObject* FillCache(Isolate* isolate, MaybeObject* maybe_code) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 904 | Object* code; |
| 905 | if (maybe_code->ToObject(&code)) { |
| 906 | if (code->IsCode()) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 907 | Heap* heap = isolate->heap(); |
| 908 | int entry = heap->non_monomorphic_cache()->FindEntry( |
| 909 | Code::cast(code)->flags()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 910 | // The entry must be present see comment in ProbeCache. |
| 911 | ASSERT(entry != -1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 912 | ASSERT(heap->non_monomorphic_cache()->ValueAt(entry) == |
| 913 | heap->undefined_value()); |
| 914 | heap->non_monomorphic_cache()->ValueAtPut(entry, code); |
| 915 | CHECK(GetProbeValue(isolate, Code::cast(code)->flags()) == code); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 916 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 917 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 918 | return maybe_code; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 919 | } |
| 920 | |
| 921 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 922 | Code* StubCache::FindCallInitialize(int argc, |
| 923 | InLoopFlag in_loop, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 924 | RelocInfo::Mode mode, |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 925 | Code::Kind kind) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 926 | Code::ExtraICState extra_state = |
| 927 | CallICBase::StringStubState::encode(DEFAULT_STRING_STUB) | |
| 928 | CallICBase::Contextual::encode(mode == RelocInfo::CODE_TARGET_CONTEXT); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 929 | Code::Flags flags = Code::ComputeFlags(kind, |
| 930 | in_loop, |
| 931 | UNINITIALIZED, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 932 | extra_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 933 | NORMAL, |
| 934 | argc); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 935 | Object* result = ProbeCache(isolate(), flags)->ToObjectUnchecked(); |
| 936 | ASSERT(result != heap()->undefined_value()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 937 | // This might be called during the marking phase of the collector |
| 938 | // hence the unchecked cast. |
| 939 | return reinterpret_cast<Code*>(result); |
| 940 | } |
| 941 | |
| 942 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 943 | MaybeObject* StubCache::ComputeCallInitialize(int argc, |
| 944 | InLoopFlag in_loop, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 945 | RelocInfo::Mode mode, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 946 | Code::Kind kind) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 947 | Code::ExtraICState extra_state = |
| 948 | CallICBase::StringStubState::encode(DEFAULT_STRING_STUB) | |
| 949 | CallICBase::Contextual::encode(mode == RelocInfo::CODE_TARGET_CONTEXT); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 950 | Code::Flags flags = Code::ComputeFlags(kind, |
| 951 | in_loop, |
| 952 | UNINITIALIZED, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 953 | extra_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 954 | NORMAL, |
| 955 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 956 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 957 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 958 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 959 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 960 | if (!probe->IsUndefined()) return probe; |
| 961 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 962 | return FillCache(isolate_, compiler.CompileCallInitialize(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 963 | } |
| 964 | |
| 965 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 966 | Handle<Code> StubCache::ComputeCallInitialize(int argc, |
| 967 | InLoopFlag in_loop, |
| 968 | RelocInfo::Mode mode) { |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 969 | if (in_loop == IN_LOOP) { |
| 970 | // Force the creation of the corresponding stub outside loops, |
| 971 | // because it may be used when clearing the ICs later - it is |
| 972 | // possible for a series of IC transitions to lose the in-loop |
| 973 | // information, and the IC clearing code can't generate a stub |
| 974 | // that it needs so we need to ensure it is generated already. |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 975 | ComputeCallInitialize(argc, NOT_IN_LOOP, mode); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 976 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 977 | CALL_HEAP_FUNCTION(isolate_, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 978 | ComputeCallInitialize(argc, in_loop, mode, Code::CALL_IC), |
| 979 | Code); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 980 | } |
| 981 | |
| 982 | |
| 983 | Handle<Code> StubCache::ComputeKeyedCallInitialize(int argc, |
| 984 | InLoopFlag in_loop) { |
| 985 | if (in_loop == IN_LOOP) { |
| 986 | // Force the creation of the corresponding stub outside loops, |
| 987 | // because it may be used when clearing the ICs later - it is |
| 988 | // possible for a series of IC transitions to lose the in-loop |
| 989 | // information, and the IC clearing code can't generate a stub |
| 990 | // that it needs so we need to ensure it is generated already. |
| 991 | ComputeKeyedCallInitialize(argc, NOT_IN_LOOP); |
| 992 | } |
| 993 | CALL_HEAP_FUNCTION( |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 994 | isolate_, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 995 | ComputeCallInitialize(argc, |
| 996 | in_loop, |
| 997 | RelocInfo::CODE_TARGET, |
| 998 | Code::KEYED_CALL_IC), |
| 999 | Code); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1003 | MaybeObject* StubCache::ComputeCallPreMonomorphic( |
| 1004 | int argc, |
| 1005 | InLoopFlag in_loop, |
| 1006 | Code::Kind kind, |
| 1007 | Code::ExtraICState extra_ic_state) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1008 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1009 | in_loop, |
| 1010 | PREMONOMORPHIC, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1011 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1012 | NORMAL, |
| 1013 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1014 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1015 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1016 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1017 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1018 | if (!probe->IsUndefined()) return probe; |
| 1019 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1020 | return FillCache(isolate_, compiler.CompileCallPreMonomorphic(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1021 | } |
| 1022 | |
| 1023 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1024 | MaybeObject* StubCache::ComputeCallNormal(int argc, |
| 1025 | InLoopFlag in_loop, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1026 | Code::Kind kind, |
| 1027 | Code::ExtraICState extra_ic_state) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1028 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1029 | in_loop, |
| 1030 | MONOMORPHIC, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1031 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1032 | NORMAL, |
| 1033 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1034 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1035 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1036 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1037 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1038 | if (!probe->IsUndefined()) return probe; |
| 1039 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1040 | return FillCache(isolate_, compiler.CompileCallNormal(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1044 | MaybeObject* StubCache::ComputeCallArguments(int argc, |
| 1045 | InLoopFlag in_loop, |
| 1046 | Code::Kind kind) { |
| 1047 | ASSERT(kind == Code::KEYED_CALL_IC); |
| 1048 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1049 | in_loop, |
| 1050 | MEGAMORPHIC, |
| 1051 | Code::kNoExtraICState, |
| 1052 | NORMAL, |
| 1053 | argc); |
| 1054 | Object* probe; |
| 1055 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
| 1056 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1057 | } |
| 1058 | if (!probe->IsUndefined()) return probe; |
| 1059 | StubCompiler compiler; |
| 1060 | return FillCache(isolate_, compiler.CompileCallArguments(flags)); |
| 1061 | } |
| 1062 | |
| 1063 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1064 | MaybeObject* StubCache::ComputeCallMegamorphic( |
| 1065 | int argc, |
| 1066 | InLoopFlag in_loop, |
| 1067 | Code::Kind kind, |
| 1068 | Code::ExtraICState extra_ic_state) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1069 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1070 | in_loop, |
| 1071 | MEGAMORPHIC, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1072 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1073 | NORMAL, |
| 1074 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1075 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1076 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1077 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1078 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1079 | if (!probe->IsUndefined()) return probe; |
| 1080 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1081 | return FillCache(isolate_, compiler.CompileCallMegamorphic(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1082 | } |
| 1083 | |
| 1084 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1085 | MaybeObject* StubCache::ComputeCallMiss(int argc, |
| 1086 | Code::Kind kind, |
| 1087 | Code::ExtraICState extra_ic_state) { |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1088 | // MONOMORPHIC_PROTOTYPE_FAILURE state is used to make sure that miss stubs |
| 1089 | // and monomorphic stubs are not mixed up together in the stub cache. |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1090 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1091 | NOT_IN_LOOP, |
| 1092 | MONOMORPHIC_PROTOTYPE_FAILURE, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1093 | extra_ic_state, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1094 | NORMAL, |
| 1095 | argc, |
| 1096 | OWN_MAP); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1097 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1098 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1099 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1100 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1101 | if (!probe->IsUndefined()) return probe; |
| 1102 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1103 | return FillCache(isolate_, compiler.CompileCallMiss(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1107 | #ifdef ENABLE_DEBUGGER_SUPPORT |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1108 | MaybeObject* StubCache::ComputeCallDebugBreak( |
| 1109 | int argc, |
| 1110 | Code::Kind kind) { |
| 1111 | // Extra IC state is irrelevant for debug break ICs. They jump to |
| 1112 | // the actual call ic to carry out the work. |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1113 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1114 | NOT_IN_LOOP, |
| 1115 | DEBUG_BREAK, |
| 1116 | Code::kNoExtraICState, |
| 1117 | NORMAL, |
| 1118 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1119 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1120 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1121 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1122 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1123 | if (!probe->IsUndefined()) return probe; |
| 1124 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1125 | return FillCache(isolate_, compiler.CompileCallDebugBreak(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1126 | } |
| 1127 | |
| 1128 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1129 | MaybeObject* StubCache::ComputeCallDebugPrepareStepIn( |
| 1130 | int argc, |
| 1131 | Code::Kind kind) { |
| 1132 | // Extra IC state is irrelevant for debug break ICs. They jump to |
| 1133 | // the actual call ic to carry out the work. |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1134 | Code::Flags flags = Code::ComputeFlags(kind, |
| 1135 | NOT_IN_LOOP, |
| 1136 | DEBUG_PREPARE_STEP_IN, |
| 1137 | Code::kNoExtraICState, |
| 1138 | NORMAL, |
| 1139 | argc); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1140 | Object* probe; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1141 | { MaybeObject* maybe_probe = ProbeCache(isolate_, flags); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1142 | if (!maybe_probe->ToObject(&probe)) return maybe_probe; |
| 1143 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1144 | if (!probe->IsUndefined()) return probe; |
| 1145 | StubCompiler compiler; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1146 | return FillCache(isolate_, compiler.CompileCallDebugPrepareStepIn(flags)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1147 | } |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1148 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1149 | |
| 1150 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1151 | void StubCache::Clear() { |
| 1152 | for (int i = 0; i < kPrimaryTableSize; i++) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1153 | primary_[i].key = heap()->empty_string(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1154 | primary_[i].value = isolate_->builtins()->builtin( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1155 | Builtins::kIllegal); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1156 | } |
| 1157 | for (int j = 0; j < kSecondaryTableSize; j++) { |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1158 | secondary_[j].key = heap()->empty_string(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1159 | secondary_[j].value = isolate_->builtins()->builtin( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1160 | Builtins::kIllegal); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | |
ricow@chromium.org | ddd545c | 2011-08-24 12:02:41 +0000 | [diff] [blame] | 1165 | void StubCache::CollectMatchingMaps(SmallMapList* types, |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1166 | String* name, |
| 1167 | Code::Flags flags) { |
| 1168 | for (int i = 0; i < kPrimaryTableSize; i++) { |
| 1169 | if (primary_[i].key == name) { |
| 1170 | Map* map = primary_[i].value->FindFirstMap(); |
| 1171 | // Map can be NULL, if the stub is constant function call |
| 1172 | // with a primitive receiver. |
| 1173 | if (map == NULL) continue; |
| 1174 | |
| 1175 | int offset = PrimaryOffset(name, flags, map); |
| 1176 | if (entry(primary_, offset) == &primary_[i]) { |
| 1177 | types->Add(Handle<Map>(map)); |
| 1178 | } |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | for (int i = 0; i < kSecondaryTableSize; i++) { |
| 1183 | if (secondary_[i].key == name) { |
| 1184 | Map* map = secondary_[i].value->FindFirstMap(); |
| 1185 | // Map can be NULL, if the stub is constant function call |
| 1186 | // with a primitive receiver. |
| 1187 | if (map == NULL) continue; |
| 1188 | |
| 1189 | // Lookup in primary table and skip duplicates. |
| 1190 | int primary_offset = PrimaryOffset(name, flags, map); |
| 1191 | Entry* primary_entry = entry(primary_, primary_offset); |
| 1192 | if (primary_entry->key == name) { |
| 1193 | Map* primary_map = primary_entry->value->FindFirstMap(); |
| 1194 | if (map == primary_map) continue; |
| 1195 | } |
| 1196 | |
| 1197 | // Lookup in secondary table and add matches. |
| 1198 | int offset = SecondaryOffset(name, flags, primary_offset); |
| 1199 | if (entry(secondary_, offset) == &secondary_[i]) { |
| 1200 | types->Add(Handle<Map>(map)); |
| 1201 | } |
| 1202 | } |
| 1203 | } |
| 1204 | } |
| 1205 | |
| 1206 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1207 | // ------------------------------------------------------------------------ |
| 1208 | // StubCompiler implementation. |
| 1209 | |
| 1210 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1211 | RUNTIME_FUNCTION(MaybeObject*, LoadCallbackProperty) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1212 | ASSERT(args[0]->IsJSObject()); |
| 1213 | ASSERT(args[1]->IsJSObject()); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 1214 | AccessorInfo* callback = AccessorInfo::cast(args[3]); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1215 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 1216 | v8::AccessorGetter fun = FUNCTION_CAST<v8::AccessorGetter>(getter_address); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1217 | ASSERT(fun != NULL); |
vegorov@chromium.org | 21b5e95 | 2010-11-23 10:24:40 +0000 | [diff] [blame] | 1218 | v8::AccessorInfo info(&args[0]); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1219 | HandleScope scope(isolate); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1220 | v8::Handle<v8::Value> result; |
| 1221 | { |
| 1222 | // Leaving JavaScript. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1223 | VMState state(isolate, EXTERNAL); |
| 1224 | ExternalCallbackScope call_scope(isolate, getter_address); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 1225 | result = fun(v8::Utils::ToLocal(args.at<String>(4)), info); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1226 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1227 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
| 1228 | if (result.IsEmpty()) return HEAP->undefined_value(); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1229 | return *v8::Utils::OpenHandle(*result); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1230 | } |
| 1231 | |
| 1232 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1233 | RUNTIME_FUNCTION(MaybeObject*, StoreCallbackProperty) { |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 1234 | JSObject* recv = JSObject::cast(args[0]); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1235 | AccessorInfo* callback = AccessorInfo::cast(args[1]); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1236 | Address setter_address = v8::ToCData<Address>(callback->setter()); |
| 1237 | v8::AccessorSetter fun = FUNCTION_CAST<v8::AccessorSetter>(setter_address); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1238 | ASSERT(fun != NULL); |
| 1239 | Handle<String> name = args.at<String>(2); |
| 1240 | Handle<Object> value = args.at<Object>(3); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1241 | HandleScope scope(isolate); |
| 1242 | LOG(isolate, ApiNamedPropertyAccess("store", recv, *name)); |
| 1243 | CustomArguments custom_args(isolate, callback->data(), recv, recv); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 1244 | v8::AccessorInfo info(custom_args.end()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1245 | { |
| 1246 | // Leaving JavaScript. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1247 | VMState state(isolate, EXTERNAL); |
| 1248 | ExternalCallbackScope call_scope(isolate, setter_address); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1249 | fun(v8::Utils::ToLocal(name), v8::Utils::ToLocal(value), info); |
| 1250 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1251 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1252 | return *value; |
| 1253 | } |
| 1254 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1255 | |
| 1256 | static const int kAccessorInfoOffsetInInterceptorArgs = 2; |
| 1257 | |
| 1258 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1259 | /** |
| 1260 | * Attempts to load a property with an interceptor (which must be present), |
| 1261 | * but doesn't search the prototype chain. |
| 1262 | * |
| 1263 | * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't |
| 1264 | * provide any value for the given name. |
| 1265 | */ |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1266 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorOnly) { |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1267 | Handle<String> name_handle = args.at<String>(0); |
| 1268 | Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>(1); |
| 1269 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 1270 | ASSERT(args[2]->IsJSObject()); // Receiver. |
| 1271 | ASSERT(args[3]->IsJSObject()); // Holder. |
| 1272 | ASSERT(args.length() == 5); // Last arg is data object. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1273 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1274 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1275 | v8::NamedPropertyGetter getter = |
| 1276 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1277 | ASSERT(getter != NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1278 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1279 | { |
| 1280 | // Use the interceptor getter. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1281 | v8::AccessorInfo info(args.arguments() - |
| 1282 | kAccessorInfoOffsetInInterceptorArgs); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1283 | HandleScope scope(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1284 | v8::Handle<v8::Value> r; |
| 1285 | { |
| 1286 | // Leaving JavaScript. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1287 | VMState state(isolate, EXTERNAL); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1288 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1289 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1290 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1291 | if (!r.IsEmpty()) { |
| 1292 | return *v8::Utils::OpenHandle(*r); |
| 1293 | } |
| 1294 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1295 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1296 | return isolate->heap()->no_interceptor_result_sentinel(); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1297 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1298 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1299 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1300 | static MaybeObject* ThrowReferenceError(String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1301 | // If the load is non-contextual, just return the undefined result. |
| 1302 | // Note that both keyed and non-keyed loads may end up here, so we |
| 1303 | // can't use either LoadIC or KeyedLoadIC constructors. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1304 | IC ic(IC::NO_EXTRA_FRAME, Isolate::Current()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1305 | ASSERT(ic.target()->is_load_stub() || ic.target()->is_keyed_load_stub()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1306 | if (!ic.SlowIsContextual()) return HEAP->undefined_value(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1307 | |
| 1308 | // Throw a reference error. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1309 | HandleScope scope; |
| 1310 | Handle<String> name_handle(name); |
| 1311 | Handle<Object> error = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1312 | FACTORY->NewReferenceError("not_defined", |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1313 | HandleVector(&name_handle, 1)); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1314 | return Isolate::Current()->Throw(*error); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1315 | } |
| 1316 | |
| 1317 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1318 | static MaybeObject* LoadWithInterceptor(Arguments* args, |
| 1319 | PropertyAttributes* attrs) { |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1320 | Handle<String> name_handle = args->at<String>(0); |
| 1321 | Handle<InterceptorInfo> interceptor_info = args->at<InterceptorInfo>(1); |
| 1322 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 1323 | Handle<JSObject> receiver_handle = args->at<JSObject>(2); |
| 1324 | Handle<JSObject> holder_handle = args->at<JSObject>(3); |
| 1325 | ASSERT(args->length() == 5); // Last arg is data object. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1326 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1327 | Isolate* isolate = receiver_handle->GetIsolate(); |
| 1328 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1329 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1330 | v8::NamedPropertyGetter getter = |
| 1331 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1332 | ASSERT(getter != NULL); |
| 1333 | |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1334 | { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1335 | // Use the interceptor getter. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1336 | v8::AccessorInfo info(args->arguments() - |
| 1337 | kAccessorInfoOffsetInInterceptorArgs); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1338 | HandleScope scope(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1339 | v8::Handle<v8::Value> r; |
| 1340 | { |
| 1341 | // Leaving JavaScript. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1342 | VMState state(isolate, EXTERNAL); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1343 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1344 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1345 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1346 | if (!r.IsEmpty()) { |
| 1347 | *attrs = NONE; |
| 1348 | return *v8::Utils::OpenHandle(*r); |
| 1349 | } |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1350 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1351 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1352 | MaybeObject* result = holder_handle->GetPropertyPostInterceptor( |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1353 | *receiver_handle, |
| 1354 | *name_handle, |
| 1355 | attrs); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1356 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1357 | return result; |
| 1358 | } |
| 1359 | |
| 1360 | |
| 1361 | /** |
| 1362 | * Loads a property with an interceptor performing post interceptor |
| 1363 | * lookup if interceptor failed. |
| 1364 | */ |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1365 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorForLoad) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1366 | PropertyAttributes attr = NONE; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1367 | Object* result; |
| 1368 | { MaybeObject* maybe_result = LoadWithInterceptor(&args, &attr); |
| 1369 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 1370 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1371 | |
| 1372 | // If the property is present, return it. |
| 1373 | if (attr != ABSENT) return result; |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1374 | return ThrowReferenceError(String::cast(args[0])); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1375 | } |
| 1376 | |
| 1377 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1378 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorForCall) { |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1379 | PropertyAttributes attr; |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1380 | MaybeObject* result = LoadWithInterceptor(&args, &attr); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1381 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 1382 | // This is call IC. In this case, we simply return the undefined result which |
| 1383 | // will lead to an exception when trying to invoke the result as a |
| 1384 | // function. |
| 1385 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1389 | RUNTIME_FUNCTION(MaybeObject*, StoreInterceptorProperty) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 1390 | ASSERT(args.length() == 4); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1391 | JSObject* recv = JSObject::cast(args[0]); |
| 1392 | String* name = String::cast(args[1]); |
| 1393 | Object* value = args[2]; |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 1394 | StrictModeFlag strict_mode = static_cast<StrictModeFlag>(args.smi_at(3)); |
karlklose@chromium.org | 8f806e8 | 2011-03-07 14:06:08 +0000 | [diff] [blame] | 1395 | ASSERT(strict_mode == kStrictMode || strict_mode == kNonStrictMode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1396 | ASSERT(recv->HasNamedInterceptor()); |
| 1397 | PropertyAttributes attr = NONE; |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 1398 | MaybeObject* result = recv->SetPropertyWithInterceptor( |
karlklose@chromium.org | 8f806e8 | 2011-03-07 14:06:08 +0000 | [diff] [blame] | 1399 | name, value, attr, strict_mode); |
ager@chromium.org | 3b45ab5 | 2009-03-19 22:21:34 +0000 | [diff] [blame] | 1400 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1404 | RUNTIME_FUNCTION(MaybeObject*, KeyedLoadPropertyWithInterceptor) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1405 | JSObject* receiver = JSObject::cast(args[0]); |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 1406 | ASSERT(args.smi_at(1) >= 0); |
| 1407 | uint32_t index = args.smi_at(1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1408 | return receiver->GetElementWithInterceptor(receiver, index); |
| 1409 | } |
| 1410 | |
| 1411 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1412 | MaybeObject* StubCompiler::CompileCallInitialize(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1413 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1414 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1415 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1416 | Code::ExtraICState extra_ic_state = Code::ExtractExtraICStateFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1417 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1418 | CallIC::GenerateInitialize(masm(), argc, extra_ic_state); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1419 | } else { |
| 1420 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1421 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1422 | Object* result; |
| 1423 | { MaybeObject* maybe_result = |
| 1424 | GetCodeWithFlags(flags, "CompileCallInitialize"); |
| 1425 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1426 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1427 | isolate()->counters()->call_initialize_stubs()->Increment(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1428 | Code* code = Code::cast(result); |
| 1429 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1430 | PROFILE(isolate(), |
| 1431 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_INITIALIZE_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1432 | code, code->arguments_count())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1433 | GDBJIT(AddCode(GDBJITInterface::CALL_INITIALIZE, Code::cast(code))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1434 | return result; |
| 1435 | } |
| 1436 | |
| 1437 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1438 | MaybeObject* StubCompiler::CompileCallPreMonomorphic(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1439 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1440 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
kasperl@chromium.org | e959c18 | 2009-07-27 08:59:04 +0000 | [diff] [blame] | 1441 | // The code of the PreMonomorphic stub is the same as the code |
| 1442 | // 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] | 1443 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1444 | Code::ExtraICState extra_ic_state = Code::ExtractExtraICStateFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1445 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1446 | CallIC::GenerateInitialize(masm(), argc, extra_ic_state); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1447 | } else { |
| 1448 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1449 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1450 | Object* result; |
| 1451 | { MaybeObject* maybe_result = |
| 1452 | GetCodeWithFlags(flags, "CompileCallPreMonomorphic"); |
| 1453 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1454 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1455 | isolate()->counters()->call_premonomorphic_stubs()->Increment(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1456 | Code* code = Code::cast(result); |
| 1457 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1458 | PROFILE(isolate(), |
| 1459 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_PRE_MONOMORPHIC_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1460 | code, code->arguments_count())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1461 | GDBJIT(AddCode(GDBJITInterface::CALL_PRE_MONOMORPHIC, Code::cast(code))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1462 | return result; |
| 1463 | } |
| 1464 | |
| 1465 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1466 | MaybeObject* StubCompiler::CompileCallNormal(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1467 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1468 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1469 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1470 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1471 | // Call normal is always with a explict receiver. |
| 1472 | ASSERT(!CallIC::Contextual::decode( |
| 1473 | Code::ExtractExtraICStateFromFlags(flags))); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1474 | CallIC::GenerateNormal(masm(), argc); |
| 1475 | } else { |
| 1476 | KeyedCallIC::GenerateNormal(masm(), argc); |
| 1477 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1478 | Object* result; |
| 1479 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "CompileCallNormal"); |
| 1480 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1481 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1482 | isolate()->counters()->call_normal_stubs()->Increment(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1483 | Code* code = Code::cast(result); |
| 1484 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1485 | PROFILE(isolate(), |
| 1486 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_NORMAL_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1487 | code, code->arguments_count())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1488 | GDBJIT(AddCode(GDBJITInterface::CALL_NORMAL, Code::cast(code))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1489 | return result; |
| 1490 | } |
| 1491 | |
| 1492 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1493 | MaybeObject* StubCompiler::CompileCallMegamorphic(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1494 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1495 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1496 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1497 | Code::ExtraICState extra_ic_state = Code::ExtractExtraICStateFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1498 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1499 | CallIC::GenerateMegamorphic(masm(), argc, extra_ic_state); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1500 | } else { |
| 1501 | KeyedCallIC::GenerateMegamorphic(masm(), argc); |
| 1502 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1503 | Object* result; |
| 1504 | { MaybeObject* maybe_result = |
| 1505 | GetCodeWithFlags(flags, "CompileCallMegamorphic"); |
| 1506 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1507 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1508 | isolate()->counters()->call_megamorphic_stubs()->Increment(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1509 | Code* code = Code::cast(result); |
| 1510 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1511 | PROFILE(isolate(), |
| 1512 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1513 | code, code->arguments_count())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1514 | GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, Code::cast(code))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1515 | return result; |
| 1516 | } |
| 1517 | |
| 1518 | |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1519 | MaybeObject* StubCompiler::CompileCallArguments(Code::Flags flags) { |
| 1520 | HandleScope scope(isolate()); |
| 1521 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
| 1522 | KeyedCallIC::GenerateNonStrictArguments(masm(), argc); |
| 1523 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1524 | Object* result; |
| 1525 | { MaybeObject* maybe_result = |
| 1526 | GetCodeWithFlags(flags, "CompileCallArguments"); |
| 1527 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 1528 | } |
| 1529 | Code* code = Code::cast(result); |
| 1530 | USE(code); |
| 1531 | PROFILE(isolate(), |
| 1532 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG), |
| 1533 | code, code->arguments_count())); |
| 1534 | GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, Code::cast(code))); |
| 1535 | return result; |
| 1536 | } |
| 1537 | |
| 1538 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1539 | MaybeObject* StubCompiler::CompileCallMiss(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1540 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1541 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1542 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1543 | Code::ExtraICState extra_ic_state = Code::ExtractExtraICStateFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1544 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1545 | CallIC::GenerateMiss(masm(), argc, extra_ic_state); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1546 | } else { |
| 1547 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1548 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1549 | Object* result; |
| 1550 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "CompileCallMiss"); |
| 1551 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1552 | } |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 1553 | isolate()->counters()->call_megamorphic_stubs()->Increment(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1554 | Code* code = Code::cast(result); |
| 1555 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1556 | PROFILE(isolate(), |
| 1557 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MISS_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1558 | code, code->arguments_count())); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1559 | GDBJIT(AddCode(GDBJITInterface::CALL_MISS, Code::cast(code))); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1560 | return result; |
| 1561 | } |
| 1562 | |
| 1563 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1564 | #ifdef ENABLE_DEBUGGER_SUPPORT |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1565 | MaybeObject* StubCompiler::CompileCallDebugBreak(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1566 | HandleScope scope(isolate()); |
ager@chromium.org | 8bb6058 | 2008-12-11 12:02:20 +0000 | [diff] [blame] | 1567 | Debug::GenerateCallICDebugBreak(masm()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1568 | Object* result; |
| 1569 | { MaybeObject* maybe_result = |
| 1570 | GetCodeWithFlags(flags, "CompileCallDebugBreak"); |
| 1571 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1572 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1573 | Code* code = Code::cast(result); |
| 1574 | USE(code); |
| 1575 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1576 | USE(kind); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1577 | PROFILE(isolate(), |
| 1578 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_DEBUG_BREAK_TAG), |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1579 | code, code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1580 | return result; |
| 1581 | } |
| 1582 | |
| 1583 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1584 | MaybeObject* StubCompiler::CompileCallDebugPrepareStepIn(Code::Flags flags) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1585 | HandleScope scope(isolate()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1586 | // Use the same code for the the step in preparations as we do for |
| 1587 | // the miss case. |
| 1588 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1589 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1590 | if (kind == Code::CALL_IC) { |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1591 | // For the debugger extra ic state is irrelevant. |
| 1592 | CallIC::GenerateMiss(masm(), argc, Code::kNoExtraICState); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1593 | } else { |
| 1594 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1595 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1596 | Object* result; |
| 1597 | { MaybeObject* maybe_result = |
| 1598 | GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn"); |
| 1599 | if (!maybe_result->ToObject(&result)) return maybe_result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1600 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1601 | Code* code = Code::cast(result); |
| 1602 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1603 | PROFILE(isolate(), |
| 1604 | CodeCreateEvent( |
| 1605 | CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG), |
| 1606 | code, |
| 1607 | code->arguments_count())); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1608 | return result; |
| 1609 | } |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 1610 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1611 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1612 | #undef CALL_LOGGER_TAG |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1613 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1614 | MaybeObject* StubCompiler::GetCodeWithFlags(Code::Flags flags, |
| 1615 | const char* name) { |
kasperl@chromium.org | defbd10 | 2009-07-13 14:04:26 +0000 | [diff] [blame] | 1616 | // Check for allocation failures during stub compilation. |
| 1617 | if (failure_->IsFailure()) return failure_; |
| 1618 | |
| 1619 | // Create code object in the heap. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1620 | CodeDesc desc; |
| 1621 | masm_.GetCode(&desc); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1622 | MaybeObject* result = heap()->CreateCode(desc, flags, masm_.CodeObject()); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1623 | #ifdef ENABLE_DISASSEMBLER |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1624 | if (FLAG_print_code_stubs && !result->IsFailure()) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1625 | Code::cast(result->ToObjectUnchecked())->Disassemble(name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1626 | } |
| 1627 | #endif |
| 1628 | return result; |
| 1629 | } |
| 1630 | |
| 1631 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1632 | MaybeObject* StubCompiler::GetCodeWithFlags(Code::Flags flags, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1633 | if (FLAG_print_code_stubs && (name != NULL)) { |
| 1634 | return GetCodeWithFlags(flags, *name->ToCString()); |
| 1635 | } |
| 1636 | return GetCodeWithFlags(flags, reinterpret_cast<char*>(NULL)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1637 | } |
| 1638 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1639 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1640 | void StubCompiler::LookupPostInterceptor(JSObject* holder, |
| 1641 | String* name, |
| 1642 | LookupResult* lookup) { |
| 1643 | holder->LocalLookupRealNamedProperty(name, lookup); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1644 | if (!lookup->IsProperty()) { |
| 1645 | lookup->NotFound(); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1646 | Object* proto = holder->GetPrototype(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1647 | if (!proto->IsNull()) { |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1648 | proto->Lookup(name, lookup); |
| 1649 | } |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1654 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1655 | MaybeObject* LoadStubCompiler::GetCode(PropertyType type, String* name) { |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1656 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1657 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1658 | if (!result->IsFailure()) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1659 | PROFILE(isolate(), |
| 1660 | CodeCreateEvent(Logger::LOAD_IC_TAG, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1661 | Code::cast(result->ToObjectUnchecked()), |
| 1662 | name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1663 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, |
| 1664 | name, |
| 1665 | Code::cast(result->ToObjectUnchecked()))); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1666 | } |
| 1667 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 1671 | MaybeObject* KeyedLoadStubCompiler::GetCode(PropertyType type, |
| 1672 | String* name, |
| 1673 | InlineCacheState state) { |
| 1674 | Code::Flags flags = Code::ComputeFlags( |
| 1675 | Code::KEYED_LOAD_IC, NOT_IN_LOOP, state, Code::kNoExtraICState, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1676 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1677 | if (!result->IsFailure()) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1678 | PROFILE(isolate(), |
| 1679 | CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1680 | Code::cast(result->ToObjectUnchecked()), |
| 1681 | name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1682 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, |
| 1683 | name, |
| 1684 | Code::cast(result->ToObjectUnchecked()))); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1685 | } |
| 1686 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1687 | } |
| 1688 | |
| 1689 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1690 | MaybeObject* StoreStubCompiler::GetCode(PropertyType type, String* name) { |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 1691 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
| 1692 | Code::STORE_IC, type, strict_mode_); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1693 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1694 | if (!result->IsFailure()) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1695 | PROFILE(isolate(), |
| 1696 | CodeCreateEvent(Logger::STORE_IC_TAG, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1697 | Code::cast(result->ToObjectUnchecked()), |
| 1698 | name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1699 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, |
| 1700 | name, |
| 1701 | Code::cast(result->ToObjectUnchecked()))); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1702 | } |
| 1703 | return result; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1704 | } |
| 1705 | |
| 1706 | |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 1707 | MaybeObject* KeyedStoreStubCompiler::GetCode(PropertyType type, |
| 1708 | String* name, |
| 1709 | InlineCacheState state) { |
| 1710 | Code::Flags flags = Code::ComputeFlags( |
| 1711 | Code::KEYED_STORE_IC, NOT_IN_LOOP, state, strict_mode_, type); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1712 | MaybeObject* result = GetCodeWithFlags(flags, name); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1713 | if (!result->IsFailure()) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1714 | PROFILE(isolate(), |
| 1715 | CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1716 | Code::cast(result->ToObjectUnchecked()), |
| 1717 | name)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1718 | GDBJIT(AddCode(GDBJITInterface::KEYED_STORE_IC, |
| 1719 | name, |
| 1720 | Code::cast(result->ToObjectUnchecked()))); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1721 | } |
| 1722 | return result; |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1723 | } |
| 1724 | |
| 1725 | |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1726 | void KeyedStoreStubCompiler::GenerateStoreDictionaryElement( |
| 1727 | MacroAssembler* masm) { |
| 1728 | KeyedStoreIC::GenerateSlow(masm); |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 1729 | } |
| 1730 | |
| 1731 | |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1732 | CallStubCompiler::CallStubCompiler(int argc, |
| 1733 | InLoopFlag in_loop, |
| 1734 | Code::Kind kind, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1735 | Code::ExtraICState extra_ic_state, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1736 | InlineCacheHolderFlag cache_holder) |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1737 | : arguments_(argc), |
| 1738 | in_loop_(in_loop), |
| 1739 | kind_(kind), |
| 1740 | extra_ic_state_(extra_ic_state), |
| 1741 | cache_holder_(cache_holder) { |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1742 | } |
| 1743 | |
| 1744 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1745 | bool CallStubCompiler::HasCustomCallGenerator(JSFunction* function) { |
| 1746 | SharedFunctionInfo* info = function->shared(); |
| 1747 | if (info->HasBuiltinFunctionId()) { |
| 1748 | BuiltinFunctionId id = info->builtin_function_id(); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1749 | #define CALL_GENERATOR_CASE(name) if (id == k##name) return true; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1750 | CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE) |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1751 | #undef CALL_GENERATOR_CASE |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1752 | } |
| 1753 | CallOptimization optimization(function); |
| 1754 | if (optimization.is_simple_api_call()) { |
| 1755 | return true; |
| 1756 | } |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1757 | return false; |
| 1758 | } |
| 1759 | |
| 1760 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1761 | MaybeObject* CallStubCompiler::CompileCustomCall(Object* object, |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1762 | JSObject* holder, |
| 1763 | JSGlobalPropertyCell* cell, |
| 1764 | JSFunction* function, |
| 1765 | String* fname) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1766 | ASSERT(HasCustomCallGenerator(function)); |
| 1767 | |
| 1768 | SharedFunctionInfo* info = function->shared(); |
| 1769 | if (info->HasBuiltinFunctionId()) { |
| 1770 | BuiltinFunctionId id = info->builtin_function_id(); |
| 1771 | #define CALL_GENERATOR_CASE(name) \ |
| 1772 | if (id == k##name) { \ |
| 1773 | return CallStubCompiler::Compile##name##Call(object, \ |
| 1774 | holder, \ |
| 1775 | cell, \ |
| 1776 | function, \ |
| 1777 | fname); \ |
| 1778 | } |
| 1779 | CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE) |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1780 | #undef CALL_GENERATOR_CASE |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1781 | } |
| 1782 | CallOptimization optimization(function); |
| 1783 | ASSERT(optimization.is_simple_api_call()); |
| 1784 | return CompileFastApiCall(optimization, |
| 1785 | object, |
| 1786 | holder, |
| 1787 | cell, |
| 1788 | function, |
| 1789 | fname); |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1790 | } |
| 1791 | |
| 1792 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1793 | MaybeObject* CallStubCompiler::GetCode(PropertyType type, String* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1794 | int argc = arguments_.immediate(); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1795 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind_, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1796 | type, |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1797 | extra_ic_state_, |
kmillikin@chromium.org | 69ea396 | 2010-07-05 11:01:40 +0000 | [diff] [blame] | 1798 | cache_holder_, |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1799 | in_loop_, |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 1800 | argc); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1801 | return GetCodeWithFlags(flags, name); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1802 | } |
| 1803 | |
| 1804 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1805 | MaybeObject* CallStubCompiler::GetCode(JSFunction* function) { |
sgjesse@chromium.org | 720dc0b | 2010-05-10 09:25:39 +0000 | [diff] [blame] | 1806 | String* function_name = NULL; |
| 1807 | if (function->shared()->name()->IsString()) { |
| 1808 | function_name = String::cast(function->shared()->name()); |
| 1809 | } |
| 1810 | return GetCode(CONSTANT_FUNCTION, function_name); |
| 1811 | } |
| 1812 | |
| 1813 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1814 | MaybeObject* ConstructStubCompiler::GetCode() { |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1815 | Code::Flags flags = Code::ComputeFlags(Code::STUB); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1816 | Object* result; |
| 1817 | { MaybeObject* maybe_result = GetCodeWithFlags(flags, "ConstructStub"); |
| 1818 | if (!maybe_result->ToObject(&result)) return maybe_result; |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1819 | } |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 1820 | Code* code = Code::cast(result); |
| 1821 | USE(code); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1822 | PROFILE(isolate(), CodeCreateEvent(Logger::STUB_TAG, code, "ConstructStub")); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1823 | GDBJIT(AddCode(GDBJITInterface::STUB, "ConstructStub", Code::cast(code))); |
ager@chromium.org | 18ad94b | 2009-09-02 08:22:29 +0000 | [diff] [blame] | 1824 | return result; |
| 1825 | } |
| 1826 | |
| 1827 | |
kmillikin@chromium.org | 4111b80 | 2010-05-03 10:34:42 +0000 | [diff] [blame] | 1828 | CallOptimization::CallOptimization(LookupResult* lookup) { |
| 1829 | if (!lookup->IsProperty() || !lookup->IsCacheable() || |
| 1830 | lookup->type() != CONSTANT_FUNCTION) { |
| 1831 | Initialize(NULL); |
| 1832 | } else { |
| 1833 | // We only optimize constant function calls. |
| 1834 | Initialize(lookup->GetConstantFunction()); |
| 1835 | } |
| 1836 | } |
| 1837 | |
| 1838 | CallOptimization::CallOptimization(JSFunction* function) { |
| 1839 | Initialize(function); |
| 1840 | } |
| 1841 | |
| 1842 | |
| 1843 | int CallOptimization::GetPrototypeDepthOfExpectedType(JSObject* object, |
| 1844 | JSObject* holder) const { |
| 1845 | ASSERT(is_simple_api_call_); |
| 1846 | if (expected_receiver_type_ == NULL) return 0; |
| 1847 | int depth = 0; |
| 1848 | while (object != holder) { |
| 1849 | if (object->IsInstanceOf(expected_receiver_type_)) return depth; |
| 1850 | object = JSObject::cast(object->GetPrototype()); |
| 1851 | ++depth; |
| 1852 | } |
| 1853 | if (holder->IsInstanceOf(expected_receiver_type_)) return depth; |
| 1854 | return kInvalidProtoDepth; |
| 1855 | } |
| 1856 | |
| 1857 | |
| 1858 | void CallOptimization::Initialize(JSFunction* function) { |
| 1859 | constant_function_ = NULL; |
| 1860 | is_simple_api_call_ = false; |
| 1861 | expected_receiver_type_ = NULL; |
| 1862 | api_call_info_ = NULL; |
| 1863 | |
| 1864 | if (function == NULL || !function->is_compiled()) return; |
| 1865 | |
| 1866 | constant_function_ = function; |
| 1867 | AnalyzePossibleApiFunction(function); |
| 1868 | } |
| 1869 | |
| 1870 | |
| 1871 | void CallOptimization::AnalyzePossibleApiFunction(JSFunction* function) { |
| 1872 | SharedFunctionInfo* sfi = function->shared(); |
| 1873 | if (!sfi->IsApiFunction()) return; |
| 1874 | FunctionTemplateInfo* info = sfi->get_api_func_data(); |
| 1875 | |
| 1876 | // Require a C++ callback. |
| 1877 | if (info->call_code()->IsUndefined()) return; |
| 1878 | api_call_info_ = CallHandlerInfo::cast(info->call_code()); |
| 1879 | |
| 1880 | // Accept signatures that either have no restrictions at all or |
| 1881 | // only have restrictions on the receiver. |
| 1882 | if (!info->signature()->IsUndefined()) { |
| 1883 | SignatureInfo* signature = SignatureInfo::cast(info->signature()); |
| 1884 | if (!signature->args()->IsUndefined()) return; |
| 1885 | if (!signature->receiver()->IsUndefined()) { |
| 1886 | expected_receiver_type_ = |
| 1887 | FunctionTemplateInfo::cast(signature->receiver()); |
| 1888 | } |
| 1889 | } |
| 1890 | |
| 1891 | is_simple_api_call_ = true; |
| 1892 | } |
| 1893 | |
| 1894 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1895 | } } // namespace v8::internal |