Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +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" |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 32 | #include "ast.h" |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 33 | #include "code-stubs.h" |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 34 | #include "gdb-jit.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 35 | #include "ic-inl.h" |
| 36 | #include "stub-cache.h" |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 37 | #include "vm-state-inl.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 38 | |
| 39 | namespace v8 { |
| 40 | namespace internal { |
| 41 | |
| 42 | // ----------------------------------------------------------------------- |
| 43 | // StubCache implementation. |
| 44 | |
| 45 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 46 | StubCache::StubCache(Isolate* isolate) : isolate_(isolate) { |
| 47 | ASSERT(isolate == Isolate::Current()); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 48 | } |
| 49 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 50 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 51 | void StubCache::Initialize() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 52 | ASSERT(IsPowerOf2(kPrimaryTableSize)); |
| 53 | ASSERT(IsPowerOf2(kSecondaryTableSize)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 54 | Clear(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | |
| 58 | Code* StubCache::Set(String* name, Map* map, Code* code) { |
| 59 | // Get the flags from the code. |
| 60 | Code::Flags flags = Code::RemoveTypeFromFlags(code->flags()); |
| 61 | |
| 62 | // Validate that the name does not move on scavenge, and that we |
| 63 | // can use identity checks instead of string equality checks. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 64 | ASSERT(!heap()->InNewSpace(name)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 65 | ASSERT(name->IsSymbol()); |
| 66 | |
| 67 | // The state bits are not important to the hash function because |
| 68 | // the stub cache only contains monomorphic stubs. Make sure that |
| 69 | // the bits are the least significant so they will be the ones |
| 70 | // masked out. |
| 71 | ASSERT(Code::ExtractICStateFromFlags(flags) == MONOMORPHIC); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 72 | STATIC_ASSERT((Code::ICStateField::kMask & 1) == 1); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 73 | |
| 74 | // Make sure that the code type is not included in the hash. |
| 75 | ASSERT(Code::ExtractTypeFromFlags(flags) == 0); |
| 76 | |
| 77 | // Compute the primary entry. |
| 78 | int primary_offset = PrimaryOffset(name, flags, map); |
| 79 | Entry* primary = entry(primary_, primary_offset); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 80 | Code* old_code = primary->value; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 81 | |
| 82 | // If the primary entry has useful data in it, we retire it to the |
| 83 | // secondary cache before overwriting it. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 84 | if (old_code != isolate_->builtins()->builtin(Builtins::kIllegal)) { |
| 85 | Map* old_map = primary->map; |
| 86 | Code::Flags old_flags = Code::RemoveTypeFromFlags(old_code->flags()); |
| 87 | int seed = PrimaryOffset(primary->key, old_flags, old_map); |
| 88 | int secondary_offset = SecondaryOffset(primary->key, old_flags, seed); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 89 | Entry* secondary = entry(secondary_, secondary_offset); |
| 90 | *secondary = *primary; |
| 91 | } |
| 92 | |
| 93 | // Update primary cache. |
| 94 | primary->key = name; |
| 95 | primary->value = code; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 96 | primary->map = map; |
| 97 | isolate()->counters()->megamorphic_stub_cache_updates()->Increment(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 98 | return code; |
| 99 | } |
| 100 | |
| 101 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 102 | Handle<Code> StubCache::ComputeLoadNonexistent(Handle<String> name, |
| 103 | Handle<JSObject> receiver) { |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 104 | ASSERT(receiver->IsGlobalObject() || receiver->HasFastProperties()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 105 | // If no global objects are present in the prototype chain, the load |
| 106 | // nonexistent IC stub can be shared for all names for a given map |
| 107 | // and we use the empty string for the map cache in that case. If |
| 108 | // there are global objects involved, we need to check global |
| 109 | // property cells in the stub and therefore the stub will be |
| 110 | // specific to the name. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 111 | Handle<String> cache_name = factory()->empty_string(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 112 | if (receiver->IsGlobalObject()) cache_name = name; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 113 | Handle<JSObject> last = receiver; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 114 | while (last->GetPrototype() != heap()->null_value()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 115 | last = Handle<JSObject>(JSObject::cast(last->GetPrototype())); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 116 | if (last->IsGlobalObject()) cache_name = name; |
| 117 | } |
| 118 | // Compile the stub that is either shared for all names or |
| 119 | // name specific if there are global objects involved. |
| 120 | Code::Flags flags = |
| 121 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, NONEXISTENT); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 122 | Handle<Object> probe(receiver->map()->FindInCodeCache(*cache_name, flags)); |
| 123 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 124 | |
| 125 | LoadStubCompiler compiler(isolate_); |
| 126 | Handle<Code> code = |
| 127 | compiler.CompileLoadNonexistent(cache_name, receiver, last); |
| 128 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *cache_name)); |
| 129 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *cache_name, *code)); |
| 130 | JSObject::UpdateMapCodeCache(receiver, cache_name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 131 | return code; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 135 | Handle<Code> StubCache::ComputeLoadField(Handle<String> name, |
| 136 | Handle<JSObject> receiver, |
| 137 | Handle<JSObject> holder, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 138 | int field_index) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 139 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 140 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, FIELD); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 141 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 142 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 143 | |
| 144 | LoadStubCompiler compiler(isolate_); |
| 145 | Handle<Code> code = |
| 146 | compiler.CompileLoadField(receiver, holder, field_index, name); |
| 147 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 148 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 149 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 150 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 154 | Handle<Code> StubCache::ComputeLoadCallback(Handle<String> name, |
| 155 | Handle<JSObject> receiver, |
| 156 | Handle<JSObject> holder, |
| 157 | Handle<AccessorInfo> callback) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 158 | ASSERT(v8::ToCData<Address>(callback->getter()) != 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 159 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 160 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, CALLBACKS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 161 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 162 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 163 | |
| 164 | LoadStubCompiler compiler(isolate_); |
| 165 | Handle<Code> code = |
| 166 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 167 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 168 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 169 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 170 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 174 | Handle<Code> StubCache::ComputeLoadConstant(Handle<String> name, |
| 175 | Handle<JSObject> receiver, |
| 176 | Handle<JSObject> holder, |
| 177 | Handle<JSFunction> value) { |
| 178 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 179 | Code::Flags flags = |
| 180 | Code::ComputeMonomorphicFlags(Code::LOAD_IC, CONSTANT_FUNCTION); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 181 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 182 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 183 | |
| 184 | LoadStubCompiler compiler(isolate_); |
| 185 | Handle<Code> code = |
| 186 | compiler.CompileLoadConstant(receiver, holder, value, name); |
| 187 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 188 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 189 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 190 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 194 | Handle<Code> StubCache::ComputeLoadInterceptor(Handle<String> name, |
| 195 | Handle<JSObject> receiver, |
| 196 | Handle<JSObject> holder) { |
| 197 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 198 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, INTERCEPTOR); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 199 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 200 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 201 | |
| 202 | LoadStubCompiler compiler(isolate_); |
| 203 | Handle<Code> code = |
| 204 | compiler.CompileLoadInterceptor(receiver, holder, name); |
| 205 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 206 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 207 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 208 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 212 | Handle<Code> StubCache::ComputeLoadNormal() { |
| 213 | return isolate_->builtins()->LoadIC_Normal(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 217 | Handle<Code> StubCache::ComputeLoadGlobal(Handle<String> name, |
| 218 | Handle<JSObject> receiver, |
| 219 | Handle<GlobalObject> holder, |
| 220 | Handle<JSGlobalPropertyCell> cell, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 221 | bool is_dont_delete) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 222 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 223 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, NORMAL); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 224 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 225 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 226 | |
| 227 | LoadStubCompiler compiler(isolate_); |
| 228 | Handle<Code> code = |
| 229 | compiler.CompileLoadGlobal(receiver, holder, cell, name, is_dont_delete); |
| 230 | PROFILE(isolate_, CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 231 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 232 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 233 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 237 | Handle<Code> StubCache::ComputeKeyedLoadField(Handle<String> name, |
| 238 | Handle<JSObject> receiver, |
| 239 | Handle<JSObject> holder, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 240 | int field_index) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 241 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 242 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, FIELD); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 243 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 244 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 245 | |
| 246 | KeyedLoadStubCompiler compiler(isolate_); |
| 247 | Handle<Code> code = |
| 248 | compiler.CompileLoadField(name, receiver, holder, field_index); |
| 249 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 250 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 251 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 252 | return code; |
| 253 | } |
| 254 | |
| 255 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 256 | Handle<Code> StubCache::ComputeKeyedLoadConstant(Handle<String> name, |
| 257 | Handle<JSObject> receiver, |
| 258 | Handle<JSObject> holder, |
| 259 | Handle<JSFunction> value) { |
| 260 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 261 | Code::Flags flags = |
| 262 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CONSTANT_FUNCTION); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 263 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 264 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 265 | |
| 266 | KeyedLoadStubCompiler compiler(isolate_); |
| 267 | Handle<Code> code = |
| 268 | compiler.CompileLoadConstant(name, receiver, holder, value); |
| 269 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 270 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 271 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 272 | return code; |
| 273 | } |
| 274 | |
| 275 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 276 | Handle<Code> StubCache::ComputeKeyedLoadInterceptor(Handle<String> name, |
| 277 | Handle<JSObject> receiver, |
| 278 | Handle<JSObject> holder) { |
| 279 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 280 | Code::Flags flags = |
| 281 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, INTERCEPTOR); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 282 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 283 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 284 | |
| 285 | KeyedLoadStubCompiler compiler(isolate_); |
| 286 | Handle<Code> code = compiler.CompileLoadInterceptor(receiver, holder, name); |
| 287 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 288 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 289 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 290 | return code; |
| 291 | } |
| 292 | |
| 293 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 294 | Handle<Code> StubCache::ComputeKeyedLoadCallback( |
| 295 | Handle<String> name, |
| 296 | Handle<JSObject> receiver, |
| 297 | Handle<JSObject> holder, |
| 298 | Handle<AccessorInfo> callback) { |
| 299 | ASSERT(IC::GetCodeCacheForObject(*receiver, *holder) == OWN_MAP); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 300 | Code::Flags flags = |
| 301 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 302 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 303 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 304 | |
| 305 | KeyedLoadStubCompiler compiler(isolate_); |
| 306 | Handle<Code> code = |
| 307 | compiler.CompileLoadCallback(name, receiver, holder, callback); |
| 308 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 309 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 310 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 311 | return code; |
| 312 | } |
| 313 | |
| 314 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 315 | Handle<Code> StubCache::ComputeKeyedLoadArrayLength(Handle<String> name, |
| 316 | Handle<JSArray> receiver) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 317 | Code::Flags flags = |
| 318 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 319 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 320 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 321 | |
| 322 | KeyedLoadStubCompiler compiler(isolate_); |
| 323 | Handle<Code> code = compiler.CompileLoadArrayLength(name); |
| 324 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 325 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 326 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 327 | return code; |
| 328 | } |
| 329 | |
| 330 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 331 | Handle<Code> StubCache::ComputeKeyedLoadStringLength(Handle<String> name, |
| 332 | Handle<String> receiver) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 333 | Code::Flags flags = |
| 334 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 335 | Handle<Map> map(receiver->map()); |
| 336 | Handle<Object> probe(map->FindInCodeCache(*name, flags)); |
| 337 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 338 | |
| 339 | KeyedLoadStubCompiler compiler(isolate_); |
| 340 | Handle<Code> code = compiler.CompileLoadStringLength(name); |
| 341 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 342 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 343 | Map::UpdateCodeCache(map, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 344 | return code; |
| 345 | } |
| 346 | |
| 347 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 348 | Handle<Code> StubCache::ComputeKeyedLoadFunctionPrototype( |
| 349 | Handle<String> name, |
| 350 | Handle<JSFunction> receiver) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 351 | Code::Flags flags = |
| 352 | Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, CALLBACKS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 353 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 354 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 355 | |
| 356 | KeyedLoadStubCompiler compiler(isolate_); |
| 357 | Handle<Code> code = compiler.CompileLoadFunctionPrototype(name); |
| 358 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 359 | GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code)); |
| 360 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 361 | return code; |
| 362 | } |
| 363 | |
| 364 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 365 | Handle<Code> StubCache::ComputeStoreField(Handle<String> name, |
| 366 | Handle<JSObject> receiver, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 367 | int field_index, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 368 | Handle<Map> transition, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 369 | StrictModeFlag strict_mode) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 370 | PropertyType type = (transition.is_null()) ? FIELD : MAP_TRANSITION; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 371 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 372 | Code::STORE_IC, type, strict_mode); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 373 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 374 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 375 | |
| 376 | StoreStubCompiler compiler(isolate_, strict_mode); |
| 377 | Handle<Code> code = |
| 378 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 379 | PROFILE(isolate_, CodeCreateEvent(Logger::STORE_IC_TAG, *code, *name)); |
| 380 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, *name, *code)); |
| 381 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 382 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 386 | Handle<Code> StubCache::ComputeKeyedLoadOrStoreElement( |
| 387 | Handle<JSObject> receiver, |
| 388 | KeyedIC::StubKind stub_kind, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 389 | StrictModeFlag strict_mode) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 390 | KeyedAccessGrowMode grow_mode = |
| 391 | KeyedIC::GetGrowModeFromStubKind(stub_kind); |
| 392 | Code::ExtraICState extra_state = |
| 393 | Code::ComputeExtraICState(grow_mode, strict_mode); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 394 | Code::Flags flags = |
| 395 | Code::ComputeMonomorphicFlags( |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 396 | stub_kind == KeyedIC::LOAD ? Code::KEYED_LOAD_IC |
| 397 | : Code::KEYED_STORE_IC, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 398 | NORMAL, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 399 | extra_state); |
| 400 | Handle<String> name; |
| 401 | switch (stub_kind) { |
| 402 | case KeyedIC::LOAD: |
| 403 | name = isolate()->factory()->KeyedLoadElementMonomorphic_symbol(); |
| 404 | break; |
| 405 | case KeyedIC::STORE_NO_TRANSITION: |
| 406 | name = isolate()->factory()->KeyedStoreElementMonomorphic_symbol(); |
| 407 | break; |
| 408 | case KeyedIC::STORE_AND_GROW_NO_TRANSITION: |
| 409 | name = isolate()->factory()->KeyedStoreAndGrowElementMonomorphic_symbol(); |
| 410 | break; |
| 411 | default: |
| 412 | UNREACHABLE(); |
| 413 | break; |
| 414 | } |
| 415 | Handle<Map> receiver_map(receiver->map()); |
| 416 | Handle<Object> probe(receiver_map->FindInCodeCache(*name, flags)); |
| 417 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 418 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 419 | Handle<Code> code; |
| 420 | switch (stub_kind) { |
| 421 | case KeyedIC::LOAD: { |
| 422 | KeyedLoadStubCompiler compiler(isolate_); |
| 423 | code = compiler.CompileLoadElement(receiver_map); |
| 424 | break; |
| 425 | } |
| 426 | case KeyedIC::STORE_AND_GROW_NO_TRANSITION: { |
| 427 | KeyedStoreStubCompiler compiler(isolate_, strict_mode, |
| 428 | ALLOW_JSARRAY_GROWTH); |
| 429 | code = compiler.CompileStoreElement(receiver_map); |
| 430 | break; |
| 431 | } |
| 432 | case KeyedIC::STORE_NO_TRANSITION: { |
| 433 | KeyedStoreStubCompiler compiler(isolate_, strict_mode, |
| 434 | DO_NOT_ALLOW_JSARRAY_GROWTH); |
| 435 | code = compiler.CompileStoreElement(receiver_map); |
| 436 | break; |
| 437 | } |
| 438 | default: |
| 439 | UNREACHABLE(); |
| 440 | break; |
| 441 | } |
| 442 | |
| 443 | ASSERT(!code.is_null()); |
| 444 | |
| 445 | if (stub_kind == KeyedIC::LOAD) { |
| 446 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, 0)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 447 | } else { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 448 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, *code, 0)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 449 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 450 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 451 | return code; |
| 452 | } |
| 453 | |
| 454 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 455 | Handle<Code> StubCache::ComputeStoreNormal(StrictModeFlag strict_mode) { |
| 456 | return (strict_mode == kStrictMode) |
| 457 | ? isolate_->builtins()->Builtins::StoreIC_Normal_Strict() |
| 458 | : isolate_->builtins()->Builtins::StoreIC_Normal(); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 462 | Handle<Code> StubCache::ComputeStoreGlobal(Handle<String> name, |
| 463 | Handle<GlobalObject> receiver, |
| 464 | Handle<JSGlobalPropertyCell> cell, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 465 | StrictModeFlag strict_mode) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 466 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 467 | Code::STORE_IC, NORMAL, strict_mode); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 468 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 469 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 470 | |
| 471 | StoreStubCompiler compiler(isolate_, strict_mode); |
| 472 | Handle<Code> code = compiler.CompileStoreGlobal(receiver, cell, name); |
| 473 | PROFILE(isolate_, CodeCreateEvent(Logger::STORE_IC_TAG, *code, *name)); |
| 474 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, *name, *code)); |
| 475 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 476 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 480 | Handle<Code> StubCache::ComputeStoreCallback(Handle<String> name, |
| 481 | Handle<JSObject> receiver, |
| 482 | Handle<AccessorInfo> callback, |
| 483 | StrictModeFlag strict_mode) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 484 | ASSERT(v8::ToCData<Address>(callback->setter()) != 0); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 485 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 486 | Code::STORE_IC, CALLBACKS, strict_mode); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 487 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 488 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 489 | |
| 490 | StoreStubCompiler compiler(isolate_, strict_mode); |
| 491 | Handle<Code> code = compiler.CompileStoreCallback(receiver, callback, name); |
| 492 | PROFILE(isolate_, CodeCreateEvent(Logger::STORE_IC_TAG, *code, *name)); |
| 493 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, *name, *code)); |
| 494 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 495 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 499 | Handle<Code> StubCache::ComputeStoreInterceptor(Handle<String> name, |
| 500 | Handle<JSObject> receiver, |
| 501 | StrictModeFlag strict_mode) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 502 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 503 | Code::STORE_IC, INTERCEPTOR, strict_mode); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 504 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 505 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 506 | |
| 507 | StoreStubCompiler compiler(isolate_, strict_mode); |
| 508 | Handle<Code> code = compiler.CompileStoreInterceptor(receiver, name); |
| 509 | PROFILE(isolate_, CodeCreateEvent(Logger::STORE_IC_TAG, *code, *name)); |
| 510 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, *name, *code)); |
| 511 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 512 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 513 | } |
| 514 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 515 | Handle<Code> StubCache::ComputeKeyedStoreField(Handle<String> name, |
| 516 | Handle<JSObject> receiver, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 517 | int field_index, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 518 | Handle<Map> transition, |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 519 | StrictModeFlag strict_mode) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 520 | PropertyType type = (transition.is_null()) ? FIELD : MAP_TRANSITION; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 521 | Code::Flags flags = Code::ComputeMonomorphicFlags( |
| 522 | Code::KEYED_STORE_IC, type, strict_mode); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 523 | Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags)); |
| 524 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 525 | |
| 526 | KeyedStoreStubCompiler compiler(isolate(), strict_mode, |
| 527 | DO_NOT_ALLOW_JSARRAY_GROWTH); |
| 528 | Handle<Code> code = |
| 529 | compiler.CompileStoreField(receiver, field_index, transition, name); |
| 530 | PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, *code, *name)); |
| 531 | GDBJIT(AddCode(GDBJITInterface::KEYED_STORE_IC, *name, *code)); |
| 532 | JSObject::UpdateMapCodeCache(receiver, name, code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 533 | return code; |
| 534 | } |
| 535 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 536 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 537 | #define CALL_LOGGER_TAG(kind, type) \ |
| 538 | (kind == Code::CALL_IC ? Logger::type : Logger::KEYED_##type) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 539 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 540 | Handle<Code> StubCache::ComputeCallConstant(int argc, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 541 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 542 | Code::ExtraICState extra_state, |
| 543 | Handle<String> name, |
| 544 | Handle<Object> object, |
| 545 | Handle<JSObject> holder, |
| 546 | Handle<JSFunction> function) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 547 | // Compute the check type and the map. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 548 | InlineCacheHolderFlag cache_holder = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 549 | IC::GetCodeCacheForObject(*object, *holder); |
| 550 | Handle<JSObject> map_holder(IC::GetCodeCacheHolder(*object, cache_holder)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 551 | |
| 552 | // Compute check type based on receiver/holder. |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 553 | CheckType check = RECEIVER_MAP_CHECK; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 554 | if (object->IsString()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 555 | check = STRING_CHECK; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 556 | } else if (object->IsNumber()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 557 | check = NUMBER_CHECK; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 558 | } else if (object->IsBoolean()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 559 | check = BOOLEAN_CHECK; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 560 | } |
| 561 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 562 | Code::Flags flags = |
| 563 | Code::ComputeMonomorphicFlags(kind, CONSTANT_FUNCTION, extra_state, |
| 564 | cache_holder, argc); |
| 565 | Handle<Object> probe(map_holder->map()->FindInCodeCache(*name, flags)); |
| 566 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 567 | |
| 568 | CallStubCompiler compiler(isolate_, argc, kind, extra_state, cache_holder); |
| 569 | Handle<Code> code = |
| 570 | compiler.CompileCallConstant(object, holder, function, name, check); |
| 571 | code->set_check_type(check); |
| 572 | ASSERT_EQ(flags, code->flags()); |
| 573 | PROFILE(isolate_, |
| 574 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), *code, *name)); |
| 575 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, *name, *code)); |
| 576 | JSObject::UpdateMapCodeCache(map_holder, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 577 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 581 | Handle<Code> StubCache::ComputeCallField(int argc, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 582 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 583 | Code::ExtraICState extra_state, |
| 584 | Handle<String> name, |
| 585 | Handle<Object> object, |
| 586 | Handle<JSObject> holder, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 587 | int index) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 588 | // Compute the check type and the map. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 589 | InlineCacheHolderFlag cache_holder = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 590 | IC::GetCodeCacheForObject(*object, *holder); |
| 591 | Handle<JSObject> map_holder(IC::GetCodeCacheHolder(*object, cache_holder)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 592 | |
| 593 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 594 | // because they may be represented as immediates without a |
| 595 | // map. Instead, we check against the map in the holder. |
| 596 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 597 | object = holder; |
| 598 | } |
| 599 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 600 | Code::Flags flags = |
| 601 | Code::ComputeMonomorphicFlags(kind, FIELD, extra_state, |
| 602 | cache_holder, argc); |
| 603 | Handle<Object> probe(map_holder->map()->FindInCodeCache(*name, flags)); |
| 604 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 605 | |
| 606 | CallStubCompiler compiler(isolate_, argc, kind, extra_state, cache_holder); |
| 607 | Handle<Code> code = |
| 608 | compiler.CompileCallField(Handle<JSObject>::cast(object), |
| 609 | holder, index, name); |
| 610 | ASSERT_EQ(flags, code->flags()); |
| 611 | PROFILE(isolate_, |
| 612 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), *code, *name)); |
| 613 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, *name, *code)); |
| 614 | JSObject::UpdateMapCodeCache(map_holder, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 615 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 619 | Handle<Code> StubCache::ComputeCallInterceptor(int argc, |
| 620 | Code::Kind kind, |
| 621 | Code::ExtraICState extra_state, |
| 622 | Handle<String> name, |
| 623 | Handle<Object> object, |
| 624 | Handle<JSObject> holder) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 625 | // Compute the check type and the map. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 626 | InlineCacheHolderFlag cache_holder = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 627 | IC::GetCodeCacheForObject(*object, *holder); |
| 628 | Handle<JSObject> map_holder(IC::GetCodeCacheHolder(*object, cache_holder)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 629 | |
| 630 | // TODO(1233596): We cannot do receiver map check for non-JS objects |
| 631 | // because they may be represented as immediates without a |
| 632 | // map. Instead, we check against the map in the holder. |
| 633 | if (object->IsNumber() || object->IsBoolean() || object->IsString()) { |
| 634 | object = holder; |
| 635 | } |
| 636 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 637 | Code::Flags flags = |
| 638 | Code::ComputeMonomorphicFlags(kind, INTERCEPTOR, extra_state, |
| 639 | cache_holder, argc); |
| 640 | Handle<Object> probe(map_holder->map()->FindInCodeCache(*name, flags)); |
| 641 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 642 | |
| 643 | CallStubCompiler compiler(isolate(), argc, kind, extra_state, cache_holder); |
| 644 | Handle<Code> code = |
| 645 | compiler.CompileCallInterceptor(Handle<JSObject>::cast(object), |
| 646 | holder, name); |
| 647 | ASSERT_EQ(flags, code->flags()); |
| 648 | PROFILE(isolate(), |
| 649 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), *code, *name)); |
| 650 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, *name, *code)); |
| 651 | JSObject::UpdateMapCodeCache(map_holder, name, code); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 652 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 653 | } |
| 654 | |
| 655 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 656 | Handle<Code> StubCache::ComputeCallGlobal(int argc, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 657 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 658 | Code::ExtraICState extra_state, |
| 659 | Handle<String> name, |
| 660 | Handle<JSObject> receiver, |
| 661 | Handle<GlobalObject> holder, |
| 662 | Handle<JSGlobalPropertyCell> cell, |
| 663 | Handle<JSFunction> function) { |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 664 | InlineCacheHolderFlag cache_holder = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 665 | IC::GetCodeCacheForObject(*receiver, *holder); |
| 666 | Handle<JSObject> map_holder(IC::GetCodeCacheHolder(*receiver, cache_holder)); |
| 667 | Code::Flags flags = |
| 668 | Code::ComputeMonomorphicFlags(kind, NORMAL, extra_state, |
| 669 | cache_holder, argc); |
| 670 | Handle<Object> probe(map_holder->map()->FindInCodeCache(*name, flags)); |
| 671 | if (probe->IsCode()) return Handle<Code>::cast(probe); |
| 672 | |
| 673 | CallStubCompiler compiler(isolate(), argc, kind, extra_state, cache_holder); |
| 674 | Handle<Code> code = |
| 675 | compiler.CompileCallGlobal(receiver, holder, cell, function, name); |
| 676 | ASSERT_EQ(flags, code->flags()); |
| 677 | PROFILE(isolate(), |
| 678 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG), *code, *name)); |
| 679 | GDBJIT(AddCode(GDBJITInterface::CALL_IC, *name, *code)); |
| 680 | JSObject::UpdateMapCodeCache(map_holder, name, code); |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 681 | return code; |
| 682 | } |
| 683 | |
| 684 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 685 | static void FillCache(Isolate* isolate, Handle<Code> code) { |
| 686 | Handle<UnseededNumberDictionary> dictionary = |
| 687 | UnseededNumberDictionary::Set(isolate->factory()->non_monomorphic_cache(), |
| 688 | code->flags(), |
| 689 | code); |
| 690 | isolate->heap()->public_set_non_monomorphic_cache(*dictionary); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 691 | } |
| 692 | |
| 693 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 694 | Code* StubCache::FindCallInitialize(int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 695 | RelocInfo::Mode mode, |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 696 | Code::Kind kind) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 697 | Code::ExtraICState extra_state = |
| 698 | CallICBase::StringStubState::encode(DEFAULT_STRING_STUB) | |
| 699 | CallICBase::Contextual::encode(mode == RelocInfo::CODE_TARGET_CONTEXT); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 700 | Code::Flags flags = |
| 701 | Code::ComputeFlags(kind, UNINITIALIZED, extra_state, NORMAL, argc); |
| 702 | |
| 703 | // Use raw_unchecked... so we don't get assert failures during GC. |
| 704 | UnseededNumberDictionary* dictionary = |
| 705 | isolate()->heap()->raw_unchecked_non_monomorphic_cache(); |
| 706 | int entry = dictionary->FindEntry(isolate(), flags); |
| 707 | ASSERT(entry != -1); |
| 708 | Object* code = dictionary->ValueAt(entry); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 709 | // This might be called during the marking phase of the collector |
| 710 | // hence the unchecked cast. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 711 | return reinterpret_cast<Code*>(code); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 715 | Handle<Code> StubCache::ComputeCallInitialize(int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 716 | RelocInfo::Mode mode, |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 717 | Code::Kind kind) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 718 | Code::ExtraICState extra_state = |
| 719 | CallICBase::StringStubState::encode(DEFAULT_STRING_STUB) | |
| 720 | CallICBase::Contextual::encode(mode == RelocInfo::CODE_TARGET_CONTEXT); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 721 | Code::Flags flags = |
| 722 | Code::ComputeFlags(kind, UNINITIALIZED, extra_state, NORMAL, argc); |
| 723 | Handle<UnseededNumberDictionary> cache = |
| 724 | isolate_->factory()->non_monomorphic_cache(); |
| 725 | int entry = cache->FindEntry(isolate_, flags); |
| 726 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 727 | |
| 728 | StubCompiler compiler(isolate_); |
| 729 | Handle<Code> code = compiler.CompileCallInitialize(flags); |
| 730 | FillCache(isolate_, code); |
| 731 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 732 | } |
| 733 | |
| 734 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 735 | Handle<Code> StubCache::ComputeCallInitialize(int argc, RelocInfo::Mode mode) { |
| 736 | return ComputeCallInitialize(argc, mode, Code::CALL_IC); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 740 | Handle<Code> StubCache::ComputeKeyedCallInitialize(int argc) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 741 | return ComputeCallInitialize(argc, RelocInfo::CODE_TARGET, |
| 742 | Code::KEYED_CALL_IC); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 743 | } |
| 744 | |
| 745 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 746 | Handle<Code> StubCache::ComputeCallPreMonomorphic( |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 747 | int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 748 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 749 | Code::ExtraICState extra_state) { |
| 750 | Code::Flags flags = |
| 751 | Code::ComputeFlags(kind, PREMONOMORPHIC, extra_state, NORMAL, argc); |
| 752 | Handle<UnseededNumberDictionary> cache = |
| 753 | isolate_->factory()->non_monomorphic_cache(); |
| 754 | int entry = cache->FindEntry(isolate_, flags); |
| 755 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 756 | |
| 757 | StubCompiler compiler(isolate_); |
| 758 | Handle<Code> code = compiler.CompileCallPreMonomorphic(flags); |
| 759 | FillCache(isolate_, code); |
| 760 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 764 | Handle<Code> StubCache::ComputeCallNormal(int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 765 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 766 | Code::ExtraICState extra_state) { |
| 767 | Code::Flags flags = |
| 768 | Code::ComputeFlags(kind, MONOMORPHIC, extra_state, NORMAL, argc); |
| 769 | Handle<UnseededNumberDictionary> cache = |
| 770 | isolate_->factory()->non_monomorphic_cache(); |
| 771 | int entry = cache->FindEntry(isolate_, flags); |
| 772 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 773 | |
| 774 | StubCompiler compiler(isolate_); |
| 775 | Handle<Code> code = compiler.CompileCallNormal(flags); |
| 776 | FillCache(isolate_, code); |
| 777 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 781 | Handle<Code> StubCache::ComputeCallArguments(int argc, Code::Kind kind) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 782 | ASSERT(kind == Code::KEYED_CALL_IC); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 783 | Code::Flags flags = |
| 784 | Code::ComputeFlags(kind, MEGAMORPHIC, Code::kNoExtraICState, |
| 785 | NORMAL, argc); |
| 786 | Handle<UnseededNumberDictionary> cache = |
| 787 | isolate_->factory()->non_monomorphic_cache(); |
| 788 | int entry = cache->FindEntry(isolate_, flags); |
| 789 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 790 | |
| 791 | StubCompiler compiler(isolate_); |
| 792 | Handle<Code> code = compiler.CompileCallArguments(flags); |
| 793 | FillCache(isolate_, code); |
| 794 | return code; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 795 | } |
| 796 | |
| 797 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 798 | Handle<Code> StubCache::ComputeCallMegamorphic( |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 799 | int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 800 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 801 | Code::ExtraICState extra_state) { |
| 802 | Code::Flags flags = |
| 803 | Code::ComputeFlags(kind, MEGAMORPHIC, extra_state, |
| 804 | NORMAL, argc); |
| 805 | Handle<UnseededNumberDictionary> cache = |
| 806 | isolate_->factory()->non_monomorphic_cache(); |
| 807 | int entry = cache->FindEntry(isolate_, flags); |
| 808 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 809 | |
| 810 | StubCompiler compiler(isolate_); |
| 811 | Handle<Code> code = compiler.CompileCallMegamorphic(flags); |
| 812 | FillCache(isolate_, code); |
| 813 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 814 | } |
| 815 | |
| 816 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 817 | Handle<Code> StubCache::ComputeCallMiss(int argc, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 818 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 819 | Code::ExtraICState extra_state) { |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 820 | // MONOMORPHIC_PROTOTYPE_FAILURE state is used to make sure that miss stubs |
| 821 | // and monomorphic stubs are not mixed up together in the stub cache. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 822 | Code::Flags flags = |
| 823 | Code::ComputeFlags(kind, MONOMORPHIC_PROTOTYPE_FAILURE, extra_state, |
| 824 | NORMAL, argc, OWN_MAP); |
| 825 | Handle<UnseededNumberDictionary> cache = |
| 826 | isolate_->factory()->non_monomorphic_cache(); |
| 827 | int entry = cache->FindEntry(isolate_, flags); |
| 828 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 829 | |
| 830 | StubCompiler compiler(isolate_); |
| 831 | Handle<Code> code = compiler.CompileCallMiss(flags); |
| 832 | FillCache(isolate_, code); |
| 833 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | |
| 837 | #ifdef ENABLE_DEBUGGER_SUPPORT |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 838 | Handle<Code> StubCache::ComputeCallDebugBreak(int argc, |
| 839 | Code::Kind kind) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 840 | // Extra IC state is irrelevant for debug break ICs. They jump to |
| 841 | // the actual call ic to carry out the work. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 842 | Code::Flags flags = |
| 843 | Code::ComputeFlags(kind, DEBUG_BREAK, Code::kNoExtraICState, |
| 844 | NORMAL, argc); |
| 845 | Handle<UnseededNumberDictionary> cache = |
| 846 | isolate_->factory()->non_monomorphic_cache(); |
| 847 | int entry = cache->FindEntry(isolate_, flags); |
| 848 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 849 | |
| 850 | StubCompiler compiler(isolate_); |
| 851 | Handle<Code> code = compiler.CompileCallDebugBreak(flags); |
| 852 | FillCache(isolate_, code); |
| 853 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 854 | } |
| 855 | |
| 856 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 857 | Handle<Code> StubCache::ComputeCallDebugPrepareStepIn(int argc, |
| 858 | Code::Kind kind) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 859 | // Extra IC state is irrelevant for debug break ICs. They jump to |
| 860 | // the actual call ic to carry out the work. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 861 | Code::Flags flags = |
| 862 | Code::ComputeFlags(kind, DEBUG_PREPARE_STEP_IN, Code::kNoExtraICState, |
| 863 | NORMAL, argc); |
| 864 | Handle<UnseededNumberDictionary> cache = |
| 865 | isolate_->factory()->non_monomorphic_cache(); |
| 866 | int entry = cache->FindEntry(isolate_, flags); |
| 867 | if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry))); |
| 868 | |
| 869 | StubCompiler compiler(isolate_); |
| 870 | Handle<Code> code = compiler.CompileCallDebugPrepareStepIn(flags); |
| 871 | FillCache(isolate_, code); |
| 872 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 873 | } |
| 874 | #endif |
| 875 | |
| 876 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 877 | void StubCache::Clear() { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 878 | Code* empty = isolate_->builtins()->builtin(Builtins::kIllegal); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 879 | for (int i = 0; i < kPrimaryTableSize; i++) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 880 | primary_[i].key = heap()->empty_string(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 881 | primary_[i].value = empty; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 882 | } |
| 883 | for (int j = 0; j < kSecondaryTableSize; j++) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 884 | secondary_[j].key = heap()->empty_string(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 885 | secondary_[j].value = empty; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 886 | } |
| 887 | } |
| 888 | |
| 889 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 890 | void StubCache::CollectMatchingMaps(SmallMapList* types, |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 891 | String* name, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 892 | Code::Flags flags, |
| 893 | Handle<Context> global_context) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 894 | for (int i = 0; i < kPrimaryTableSize; i++) { |
| 895 | if (primary_[i].key == name) { |
| 896 | Map* map = primary_[i].value->FindFirstMap(); |
| 897 | // Map can be NULL, if the stub is constant function call |
| 898 | // with a primitive receiver. |
| 899 | if (map == NULL) continue; |
| 900 | |
| 901 | int offset = PrimaryOffset(name, flags, map); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 902 | if (entry(primary_, offset) == &primary_[i] && |
| 903 | !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 904 | types->Add(Handle<Map>(map)); |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | for (int i = 0; i < kSecondaryTableSize; i++) { |
| 910 | if (secondary_[i].key == name) { |
| 911 | Map* map = secondary_[i].value->FindFirstMap(); |
| 912 | // Map can be NULL, if the stub is constant function call |
| 913 | // with a primitive receiver. |
| 914 | if (map == NULL) continue; |
| 915 | |
| 916 | // Lookup in primary table and skip duplicates. |
| 917 | int primary_offset = PrimaryOffset(name, flags, map); |
| 918 | Entry* primary_entry = entry(primary_, primary_offset); |
| 919 | if (primary_entry->key == name) { |
| 920 | Map* primary_map = primary_entry->value->FindFirstMap(); |
| 921 | if (map == primary_map) continue; |
| 922 | } |
| 923 | |
| 924 | // Lookup in secondary table and add matches. |
| 925 | int offset = SecondaryOffset(name, flags, primary_offset); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 926 | if (entry(secondary_, offset) == &secondary_[i] && |
| 927 | !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 928 | types->Add(Handle<Map>(map)); |
| 929 | } |
| 930 | } |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 935 | // ------------------------------------------------------------------------ |
| 936 | // StubCompiler implementation. |
| 937 | |
| 938 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 939 | RUNTIME_FUNCTION(MaybeObject*, LoadCallbackProperty) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 940 | ASSERT(args[0]->IsJSObject()); |
| 941 | ASSERT(args[1]->IsJSObject()); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 942 | AccessorInfo* callback = AccessorInfo::cast(args[3]); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 943 | Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 944 | v8::AccessorGetter fun = FUNCTION_CAST<v8::AccessorGetter>(getter_address); |
| 945 | ASSERT(fun != NULL); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 946 | v8::AccessorInfo info(&args[0]); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 947 | HandleScope scope(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 948 | v8::Handle<v8::Value> result; |
| 949 | { |
| 950 | // Leaving JavaScript. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 951 | VMState state(isolate, EXTERNAL); |
| 952 | ExternalCallbackScope call_scope(isolate, getter_address); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 953 | result = fun(v8::Utils::ToLocal(args.at<String>(4)), info); |
| 954 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 955 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
| 956 | if (result.IsEmpty()) return HEAP->undefined_value(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 957 | return *v8::Utils::OpenHandle(*result); |
| 958 | } |
| 959 | |
| 960 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 961 | RUNTIME_FUNCTION(MaybeObject*, StoreCallbackProperty) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 962 | JSObject* recv = JSObject::cast(args[0]); |
| 963 | AccessorInfo* callback = AccessorInfo::cast(args[1]); |
| 964 | Address setter_address = v8::ToCData<Address>(callback->setter()); |
| 965 | v8::AccessorSetter fun = FUNCTION_CAST<v8::AccessorSetter>(setter_address); |
| 966 | ASSERT(fun != NULL); |
| 967 | Handle<String> name = args.at<String>(2); |
| 968 | Handle<Object> value = args.at<Object>(3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 969 | HandleScope scope(isolate); |
| 970 | LOG(isolate, ApiNamedPropertyAccess("store", recv, *name)); |
| 971 | CustomArguments custom_args(isolate, callback->data(), recv, recv); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 972 | v8::AccessorInfo info(custom_args.end()); |
| 973 | { |
| 974 | // Leaving JavaScript. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 975 | VMState state(isolate, EXTERNAL); |
| 976 | ExternalCallbackScope call_scope(isolate, setter_address); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 977 | fun(v8::Utils::ToLocal(name), v8::Utils::ToLocal(value), info); |
| 978 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 979 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 980 | return *value; |
| 981 | } |
| 982 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 983 | |
| 984 | static const int kAccessorInfoOffsetInInterceptorArgs = 2; |
| 985 | |
| 986 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 987 | /** |
| 988 | * Attempts to load a property with an interceptor (which must be present), |
| 989 | * but doesn't search the prototype chain. |
| 990 | * |
| 991 | * Returns |Heap::no_interceptor_result_sentinel()| if interceptor doesn't |
| 992 | * provide any value for the given name. |
| 993 | */ |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 994 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorOnly) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 995 | Handle<String> name_handle = args.at<String>(0); |
| 996 | Handle<InterceptorInfo> interceptor_info = args.at<InterceptorInfo>(1); |
| 997 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 998 | ASSERT(args[2]->IsJSObject()); // Receiver. |
| 999 | ASSERT(args[3]->IsJSObject()); // Holder. |
| 1000 | ASSERT(args.length() == 5); // Last arg is data object. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1001 | |
| 1002 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1003 | v8::NamedPropertyGetter getter = |
| 1004 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1005 | ASSERT(getter != NULL); |
| 1006 | |
| 1007 | { |
| 1008 | // Use the interceptor getter. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1009 | v8::AccessorInfo info(args.arguments() - |
| 1010 | kAccessorInfoOffsetInInterceptorArgs); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1011 | HandleScope scope(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1012 | v8::Handle<v8::Value> r; |
| 1013 | { |
| 1014 | // Leaving JavaScript. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1015 | VMState state(isolate, EXTERNAL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1016 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1017 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1018 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1019 | if (!r.IsEmpty()) { |
| 1020 | return *v8::Utils::OpenHandle(*r); |
| 1021 | } |
| 1022 | } |
| 1023 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1024 | return isolate->heap()->no_interceptor_result_sentinel(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1025 | } |
| 1026 | |
| 1027 | |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 1028 | static MaybeObject* ThrowReferenceError(String* name) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1029 | // If the load is non-contextual, just return the undefined result. |
| 1030 | // Note that both keyed and non-keyed loads may end up here, so we |
| 1031 | // can't use either LoadIC or KeyedLoadIC constructors. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1032 | IC ic(IC::NO_EXTRA_FRAME, Isolate::Current()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1033 | ASSERT(ic.target()->is_load_stub() || ic.target()->is_keyed_load_stub()); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1034 | if (!ic.SlowIsContextual()) return HEAP->undefined_value(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1035 | |
| 1036 | // Throw a reference error. |
| 1037 | HandleScope scope; |
| 1038 | Handle<String> name_handle(name); |
| 1039 | Handle<Object> error = |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1040 | FACTORY->NewReferenceError("not_defined", |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1041 | HandleVector(&name_handle, 1)); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1042 | return Isolate::Current()->Throw(*error); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 1046 | static MaybeObject* LoadWithInterceptor(Arguments* args, |
| 1047 | PropertyAttributes* attrs) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1048 | Handle<String> name_handle = args->at<String>(0); |
| 1049 | Handle<InterceptorInfo> interceptor_info = args->at<InterceptorInfo>(1); |
| 1050 | ASSERT(kAccessorInfoOffsetInInterceptorArgs == 2); |
| 1051 | Handle<JSObject> receiver_handle = args->at<JSObject>(2); |
| 1052 | Handle<JSObject> holder_handle = args->at<JSObject>(3); |
| 1053 | ASSERT(args->length() == 5); // Last arg is data object. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1054 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1055 | Isolate* isolate = receiver_handle->GetIsolate(); |
| 1056 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1057 | Address getter_address = v8::ToCData<Address>(interceptor_info->getter()); |
| 1058 | v8::NamedPropertyGetter getter = |
| 1059 | FUNCTION_CAST<v8::NamedPropertyGetter>(getter_address); |
| 1060 | ASSERT(getter != NULL); |
| 1061 | |
| 1062 | { |
| 1063 | // Use the interceptor getter. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1064 | v8::AccessorInfo info(args->arguments() - |
| 1065 | kAccessorInfoOffsetInInterceptorArgs); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1066 | HandleScope scope(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1067 | v8::Handle<v8::Value> r; |
| 1068 | { |
| 1069 | // Leaving JavaScript. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1070 | VMState state(isolate, EXTERNAL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1071 | r = getter(v8::Utils::ToLocal(name_handle), info); |
| 1072 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1073 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1074 | if (!r.IsEmpty()) { |
| 1075 | *attrs = NONE; |
| 1076 | return *v8::Utils::OpenHandle(*r); |
| 1077 | } |
| 1078 | } |
| 1079 | |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 1080 | MaybeObject* result = holder_handle->GetPropertyPostInterceptor( |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1081 | *receiver_handle, |
| 1082 | *name_handle, |
| 1083 | attrs); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1084 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1085 | return result; |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | /** |
| 1090 | * Loads a property with an interceptor performing post interceptor |
| 1091 | * lookup if interceptor failed. |
| 1092 | */ |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1093 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorForLoad) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1094 | PropertyAttributes attr = NONE; |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 1095 | Object* result; |
| 1096 | { MaybeObject* maybe_result = LoadWithInterceptor(&args, &attr); |
| 1097 | if (!maybe_result->ToObject(&result)) return maybe_result; |
| 1098 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1099 | |
| 1100 | // If the property is present, return it. |
| 1101 | if (attr != ABSENT) return result; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1102 | return ThrowReferenceError(String::cast(args[0])); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1103 | } |
| 1104 | |
| 1105 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1106 | RUNTIME_FUNCTION(MaybeObject*, LoadPropertyWithInterceptorForCall) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1107 | PropertyAttributes attr; |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 1108 | MaybeObject* result = LoadWithInterceptor(&args, &attr); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1109 | RETURN_IF_SCHEDULED_EXCEPTION(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1110 | // This is call IC. In this case, we simply return the undefined result which |
| 1111 | // will lead to an exception when trying to invoke the result as a |
| 1112 | // function. |
| 1113 | return result; |
| 1114 | } |
| 1115 | |
| 1116 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1117 | RUNTIME_FUNCTION(MaybeObject*, StoreInterceptorProperty) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1118 | ASSERT(args.length() == 4); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1119 | JSObject* recv = JSObject::cast(args[0]); |
| 1120 | String* name = String::cast(args[1]); |
| 1121 | Object* value = args[2]; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1122 | ASSERT(args.smi_at(3) == kStrictMode || args.smi_at(3) == kNonStrictMode); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1123 | StrictModeFlag strict_mode = static_cast<StrictModeFlag>(args.smi_at(3)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1124 | ASSERT(recv->HasNamedInterceptor()); |
| 1125 | PropertyAttributes attr = NONE; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1126 | MaybeObject* result = recv->SetPropertyWithInterceptor( |
| 1127 | name, value, attr, strict_mode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1128 | return result; |
| 1129 | } |
| 1130 | |
| 1131 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1132 | RUNTIME_FUNCTION(MaybeObject*, KeyedLoadPropertyWithInterceptor) { |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1133 | JSObject* receiver = JSObject::cast(args[0]); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1134 | ASSERT(args.smi_at(1) >= 0); |
| 1135 | uint32_t index = args.smi_at(1); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1136 | return receiver->GetElementWithInterceptor(receiver, index); |
| 1137 | } |
| 1138 | |
| 1139 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1140 | Handle<Code> StubCompiler::CompileCallInitialize(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1141 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1142 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1143 | Code::ExtraICState extra_state = Code::ExtractExtraICStateFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1144 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1145 | CallIC::GenerateInitialize(masm(), argc, extra_state); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1146 | } else { |
| 1147 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1148 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1149 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallInitialize"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1150 | isolate()->counters()->call_initialize_stubs()->Increment(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1151 | PROFILE(isolate(), |
| 1152 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_INITIALIZE_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1153 | *code, code->arguments_count())); |
| 1154 | GDBJIT(AddCode(GDBJITInterface::CALL_INITIALIZE, *code)); |
| 1155 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1159 | Handle<Code> StubCompiler::CompileCallPreMonomorphic(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1160 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
| 1161 | // The code of the PreMonomorphic stub is the same as the code |
| 1162 | // of the Initialized stub. They just differ on the code object flags. |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1163 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1164 | Code::ExtraICState extra_state = Code::ExtractExtraICStateFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1165 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1166 | CallIC::GenerateInitialize(masm(), argc, extra_state); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1167 | } else { |
| 1168 | KeyedCallIC::GenerateInitialize(masm(), argc); |
| 1169 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1170 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallPreMonomorphic"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1171 | isolate()->counters()->call_premonomorphic_stubs()->Increment(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1172 | PROFILE(isolate(), |
| 1173 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_PRE_MONOMORPHIC_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1174 | *code, code->arguments_count())); |
| 1175 | GDBJIT(AddCode(GDBJITInterface::CALL_PRE_MONOMORPHIC, *code)); |
| 1176 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1180 | Handle<Code> StubCompiler::CompileCallNormal(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1181 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1182 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1183 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1184 | // Call normal is always with a explict receiver. |
| 1185 | ASSERT(!CallIC::Contextual::decode( |
| 1186 | Code::ExtractExtraICStateFromFlags(flags))); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1187 | CallIC::GenerateNormal(masm(), argc); |
| 1188 | } else { |
| 1189 | KeyedCallIC::GenerateNormal(masm(), argc); |
| 1190 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1191 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallNormal"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1192 | isolate()->counters()->call_normal_stubs()->Increment(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1193 | PROFILE(isolate(), |
| 1194 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_NORMAL_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1195 | *code, code->arguments_count())); |
| 1196 | GDBJIT(AddCode(GDBJITInterface::CALL_NORMAL, *code)); |
| 1197 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1201 | Handle<Code> StubCompiler::CompileCallMegamorphic(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1202 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1203 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1204 | Code::ExtraICState extra_state = Code::ExtractExtraICStateFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1205 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1206 | CallIC::GenerateMegamorphic(masm(), argc, extra_state); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1207 | } else { |
| 1208 | KeyedCallIC::GenerateMegamorphic(masm(), argc); |
| 1209 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1210 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallMegamorphic"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1211 | isolate()->counters()->call_megamorphic_stubs()->Increment(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1212 | PROFILE(isolate(), |
| 1213 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MEGAMORPHIC_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1214 | *code, code->arguments_count())); |
| 1215 | GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, *code)); |
| 1216 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1217 | } |
| 1218 | |
| 1219 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1220 | Handle<Code> StubCompiler::CompileCallArguments(Code::Flags flags) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1221 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
| 1222 | KeyedCallIC::GenerateNonStrictArguments(masm(), argc); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1223 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallArguments"); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1224 | PROFILE(isolate(), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1225 | CodeCreateEvent(CALL_LOGGER_TAG(Code::ExtractKindFromFlags(flags), |
| 1226 | CALL_MEGAMORPHIC_TAG), |
| 1227 | *code, code->arguments_count())); |
| 1228 | GDBJIT(AddCode(GDBJITInterface::CALL_MEGAMORPHIC, *code)); |
| 1229 | return code; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1230 | } |
| 1231 | |
| 1232 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1233 | Handle<Code> StubCompiler::CompileCallMiss(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1234 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1235 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1236 | Code::ExtraICState extra_state = Code::ExtractExtraICStateFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1237 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1238 | CallIC::GenerateMiss(masm(), argc, extra_state); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1239 | } else { |
| 1240 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1241 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1242 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallMiss"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1243 | isolate()->counters()->call_megamorphic_stubs()->Increment(); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1244 | PROFILE(isolate(), |
| 1245 | CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_MISS_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1246 | *code, code->arguments_count())); |
| 1247 | GDBJIT(AddCode(GDBJITInterface::CALL_MISS, *code)); |
| 1248 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | |
| 1252 | #ifdef ENABLE_DEBUGGER_SUPPORT |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1253 | Handle<Code> StubCompiler::CompileCallDebugBreak(Code::Flags flags) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1254 | Debug::GenerateCallICDebugBreak(masm()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1255 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallDebugBreak"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1256 | PROFILE(isolate(), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1257 | CodeCreateEvent(CALL_LOGGER_TAG(Code::ExtractKindFromFlags(flags), |
| 1258 | CALL_DEBUG_BREAK_TAG), |
| 1259 | *code, code->arguments_count())); |
| 1260 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1261 | } |
| 1262 | |
| 1263 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1264 | Handle<Code> StubCompiler::CompileCallDebugPrepareStepIn(Code::Flags flags) { |
| 1265 | // Use the same code for the the step in preparations as we do for the |
| 1266 | // miss case. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1267 | int argc = Code::ExtractArgumentsCountFromFlags(flags); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1268 | Code::Kind kind = Code::ExtractKindFromFlags(flags); |
| 1269 | if (kind == Code::CALL_IC) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1270 | // For the debugger extra ic state is irrelevant. |
| 1271 | CallIC::GenerateMiss(masm(), argc, Code::kNoExtraICState); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1272 | } else { |
| 1273 | KeyedCallIC::GenerateMiss(masm(), argc); |
| 1274 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1275 | Handle<Code> code = GetCodeWithFlags(flags, "CompileCallDebugPrepareStepIn"); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1276 | PROFILE(isolate(), |
| 1277 | CodeCreateEvent( |
| 1278 | CALL_LOGGER_TAG(kind, CALL_DEBUG_PREPARE_STEP_IN_TAG), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1279 | *code, |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1280 | code->arguments_count())); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1281 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1282 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1283 | #endif // ENABLE_DEBUGGER_SUPPORT |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1284 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1285 | #undef CALL_LOGGER_TAG |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1286 | |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 1287 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1288 | Handle<Code> StubCompiler::GetCodeWithFlags(Code::Flags flags, |
| 1289 | const char* name) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1290 | // Create code object in the heap. |
| 1291 | CodeDesc desc; |
| 1292 | masm_.GetCode(&desc); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1293 | Handle<Code> code = factory()->NewCode(desc, flags, masm_.CodeObject()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1294 | #ifdef ENABLE_DISASSEMBLER |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1295 | if (FLAG_print_code_stubs) code->Disassemble(name); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1296 | #endif |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1297 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1298 | } |
| 1299 | |
| 1300 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1301 | Handle<Code> StubCompiler::GetCodeWithFlags(Code::Flags flags, |
| 1302 | Handle<String> name) { |
| 1303 | return (FLAG_print_code_stubs && !name.is_null()) |
| 1304 | ? GetCodeWithFlags(flags, *name->ToCString()) |
| 1305 | : GetCodeWithFlags(flags, reinterpret_cast<char*>(NULL)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1306 | } |
| 1307 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1308 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1309 | void StubCompiler::LookupPostInterceptor(Handle<JSObject> holder, |
| 1310 | Handle<String> name, |
Leon Clarke | 4515c47 | 2010-02-03 11:58:03 +0000 | [diff] [blame] | 1311 | LookupResult* lookup) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1312 | holder->LocalLookupRealNamedProperty(*name, lookup); |
| 1313 | if (lookup->IsProperty()) return; |
| 1314 | |
| 1315 | lookup->NotFound(); |
| 1316 | if (holder->GetPrototype()->IsNull()) return; |
| 1317 | |
| 1318 | holder->GetPrototype()->Lookup(*name, lookup); |
Leon Clarke | 4515c47 | 2010-02-03 11:58:03 +0000 | [diff] [blame] | 1319 | } |
| 1320 | |
| 1321 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1322 | Handle<Code> LoadStubCompiler::GetCode(PropertyType type, Handle<String> name) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1323 | Code::Flags flags = Code::ComputeMonomorphicFlags(Code::LOAD_IC, type); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1324 | Handle<Code> code = GetCodeWithFlags(flags, name); |
| 1325 | PROFILE(isolate(), CodeCreateEvent(Logger::LOAD_IC_TAG, *code, *name)); |
| 1326 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 1327 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1328 | } |
| 1329 | |
| 1330 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1331 | Handle<Code> KeyedLoadStubCompiler::GetCode(PropertyType type, |
| 1332 | Handle<String> name, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1333 | InlineCacheState state) { |
| 1334 | Code::Flags flags = Code::ComputeFlags( |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1335 | Code::KEYED_LOAD_IC, state, Code::kNoExtraICState, type); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1336 | Handle<Code> code = GetCodeWithFlags(flags, name); |
| 1337 | PROFILE(isolate(), CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name)); |
| 1338 | GDBJIT(AddCode(GDBJITInterface::LOAD_IC, *name, *code)); |
| 1339 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1340 | } |
| 1341 | |
| 1342 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1343 | Handle<Code> StoreStubCompiler::GetCode(PropertyType type, |
| 1344 | Handle<String> name) { |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1345 | Code::Flags flags = |
| 1346 | Code::ComputeMonomorphicFlags(Code::STORE_IC, type, strict_mode_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1347 | Handle<Code> code = GetCodeWithFlags(flags, name); |
| 1348 | PROFILE(isolate(), CodeCreateEvent(Logger::STORE_IC_TAG, *code, *name)); |
| 1349 | GDBJIT(AddCode(GDBJITInterface::STORE_IC, *name, *code)); |
| 1350 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1351 | } |
| 1352 | |
| 1353 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1354 | Handle<Code> KeyedStoreStubCompiler::GetCode(PropertyType type, |
| 1355 | Handle<String> name, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1356 | InlineCacheState state) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1357 | Code::ExtraICState extra_state = |
| 1358 | Code::ComputeExtraICState(grow_mode_, strict_mode_); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1359 | Code::Flags flags = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1360 | Code::ComputeFlags(Code::KEYED_STORE_IC, state, extra_state, type); |
| 1361 | Handle<Code> code = GetCodeWithFlags(flags, name); |
| 1362 | PROFILE(isolate(), CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, *code, *name)); |
| 1363 | GDBJIT(AddCode(GDBJITInterface::KEYED_STORE_IC, *name, *code)); |
| 1364 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1365 | } |
| 1366 | |
| 1367 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1368 | void KeyedStoreStubCompiler::GenerateStoreDictionaryElement( |
| 1369 | MacroAssembler* masm) { |
| 1370 | KeyedStoreIC::GenerateSlow(masm); |
| 1371 | } |
| 1372 | |
| 1373 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1374 | CallStubCompiler::CallStubCompiler(Isolate* isolate, |
| 1375 | int argc, |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1376 | Code::Kind kind, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1377 | Code::ExtraICState extra_state, |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1378 | InlineCacheHolderFlag cache_holder) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1379 | : StubCompiler(isolate), |
| 1380 | arguments_(argc), |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 1381 | kind_(kind), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1382 | extra_state_(extra_state), |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 1383 | cache_holder_(cache_holder) { |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1387 | bool CallStubCompiler::HasCustomCallGenerator(Handle<JSFunction> function) { |
| 1388 | if (function->shared()->HasBuiltinFunctionId()) { |
| 1389 | BuiltinFunctionId id = function->shared()->builtin_function_id(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1390 | #define CALL_GENERATOR_CASE(name) if (id == k##name) return true; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1391 | CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1392 | #undef CALL_GENERATOR_CASE |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1393 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1394 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1395 | CallOptimization optimization(function); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1396 | return optimization.is_simple_api_call(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1397 | } |
| 1398 | |
| 1399 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1400 | Handle<Code> CallStubCompiler::CompileCustomCall( |
| 1401 | Handle<Object> object, |
| 1402 | Handle<JSObject> holder, |
| 1403 | Handle<JSGlobalPropertyCell> cell, |
| 1404 | Handle<JSFunction> function, |
| 1405 | Handle<String> fname) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1406 | ASSERT(HasCustomCallGenerator(function)); |
| 1407 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1408 | if (function->shared()->HasBuiltinFunctionId()) { |
| 1409 | BuiltinFunctionId id = function->shared()->builtin_function_id(); |
| 1410 | #define CALL_GENERATOR_CASE(name) \ |
| 1411 | if (id == k##name) { \ |
| 1412 | return CallStubCompiler::Compile##name##Call(object, \ |
| 1413 | holder, \ |
| 1414 | cell, \ |
| 1415 | function, \ |
| 1416 | fname); \ |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1417 | } |
| 1418 | CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1419 | #undef CALL_GENERATOR_CASE |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1420 | } |
| 1421 | CallOptimization optimization(function); |
| 1422 | ASSERT(optimization.is_simple_api_call()); |
| 1423 | return CompileFastApiCall(optimization, |
| 1424 | object, |
| 1425 | holder, |
| 1426 | cell, |
| 1427 | function, |
| 1428 | fname); |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 1429 | } |
| 1430 | |
| 1431 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1432 | Handle<Code> CallStubCompiler::GetCode(PropertyType type, Handle<String> name) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1433 | int argc = arguments_.immediate(); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1434 | Code::Flags flags = Code::ComputeMonomorphicFlags(kind_, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1435 | type, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1436 | extra_state_, |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1437 | cache_holder_, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1438 | argc); |
| 1439 | return GetCodeWithFlags(flags, name); |
| 1440 | } |
| 1441 | |
| 1442 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1443 | Handle<Code> CallStubCompiler::GetCode(Handle<JSFunction> function) { |
| 1444 | Handle<String> function_name; |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 1445 | if (function->shared()->name()->IsString()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1446 | function_name = Handle<String>(String::cast(function->shared()->name())); |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 1447 | } |
| 1448 | return GetCode(CONSTANT_FUNCTION, function_name); |
| 1449 | } |
| 1450 | |
| 1451 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1452 | Handle<Code> ConstructStubCompiler::GetCode() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1453 | Code::Flags flags = Code::ComputeFlags(Code::STUB); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1454 | Handle<Code> code = GetCodeWithFlags(flags, "ConstructStub"); |
| 1455 | PROFILE(isolate(), CodeCreateEvent(Logger::STUB_TAG, *code, "ConstructStub")); |
| 1456 | GDBJIT(AddCode(GDBJITInterface::STUB, "ConstructStub", *code)); |
| 1457 | return code; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1458 | } |
| 1459 | |
| 1460 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1461 | CallOptimization::CallOptimization(LookupResult* lookup) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1462 | if (lookup->IsFound() && |
| 1463 | lookup->IsCacheable() && |
| 1464 | lookup->type() == CONSTANT_FUNCTION) { |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 1465 | // We only optimize constant function calls. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1466 | Initialize(Handle<JSFunction>(lookup->GetConstantFunction())); |
| 1467 | } else { |
| 1468 | Initialize(Handle<JSFunction>::null()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1469 | } |
| 1470 | } |
| 1471 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1472 | CallOptimization::CallOptimization(Handle<JSFunction> function) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1473 | Initialize(function); |
| 1474 | } |
| 1475 | |
| 1476 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1477 | int CallOptimization::GetPrototypeDepthOfExpectedType( |
| 1478 | Handle<JSObject> object, |
| 1479 | Handle<JSObject> holder) const { |
| 1480 | ASSERT(is_simple_api_call()); |
| 1481 | if (expected_receiver_type_.is_null()) return 0; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1482 | int depth = 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1483 | while (!object.is_identical_to(holder)) { |
| 1484 | if (object->IsInstanceOf(*expected_receiver_type_)) return depth; |
| 1485 | object = Handle<JSObject>(JSObject::cast(object->GetPrototype())); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1486 | ++depth; |
| 1487 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1488 | if (holder->IsInstanceOf(*expected_receiver_type_)) return depth; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1489 | return kInvalidProtoDepth; |
| 1490 | } |
| 1491 | |
| 1492 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1493 | void CallOptimization::Initialize(Handle<JSFunction> function) { |
| 1494 | constant_function_ = Handle<JSFunction>::null(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1495 | is_simple_api_call_ = false; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1496 | expected_receiver_type_ = Handle<FunctionTemplateInfo>::null(); |
| 1497 | api_call_info_ = Handle<CallHandlerInfo>::null(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1498 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1499 | if (function.is_null() || !function->is_compiled()) return; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1500 | |
| 1501 | constant_function_ = function; |
| 1502 | AnalyzePossibleApiFunction(function); |
| 1503 | } |
| 1504 | |
| 1505 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1506 | void CallOptimization::AnalyzePossibleApiFunction(Handle<JSFunction> function) { |
| 1507 | if (!function->shared()->IsApiFunction()) return; |
| 1508 | Handle<FunctionTemplateInfo> info(function->shared()->get_api_func_data()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1509 | |
| 1510 | // Require a C++ callback. |
| 1511 | if (info->call_code()->IsUndefined()) return; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1512 | api_call_info_ = |
| 1513 | Handle<CallHandlerInfo>(CallHandlerInfo::cast(info->call_code())); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1514 | |
| 1515 | // Accept signatures that either have no restrictions at all or |
| 1516 | // only have restrictions on the receiver. |
| 1517 | if (!info->signature()->IsUndefined()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1518 | Handle<SignatureInfo> signature = |
| 1519 | Handle<SignatureInfo>(SignatureInfo::cast(info->signature())); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1520 | if (!signature->args()->IsUndefined()) return; |
| 1521 | if (!signature->receiver()->IsUndefined()) { |
| 1522 | expected_receiver_type_ = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1523 | Handle<FunctionTemplateInfo>( |
| 1524 | FunctionTemplateInfo::cast(signature->receiver())); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1525 | } |
| 1526 | } |
| 1527 | |
| 1528 | is_simple_api_call_ = true; |
| 1529 | } |
| 1530 | |
| 1531 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1532 | } } // namespace v8::internal |