The snapshot contains "root" objects that are the same for every V8 instance - the code cache knows these are roots, so it doesn't serialise them because it assumes they'll be available on deserialisation.
On Tue, 24 Nov 2020, 03:46 王梓童, <[email protected]> wrote: > > Thanks for your reply. Could you explain what can cause objects in > snapshot but are not available with code cache? > 在2020年11月23日星期一 UTC+8 下午4:36:18<[email protected]> 写道： > >> Generally, pretty much all of V8 (aside from initialization) assumes that >> the snapshot is deserialized and the objects in it are available. This >> includes the code cache serializer/deserializer. Otherwise, things are >> gonna go wrong -- here, for example, you're probably seeing a null string >> map (since the string map is in the snapshot). >> >> On Mon, Nov 23, 2020 at 6:49 AM 王梓童 <[email protected]> wrote: >> >>> I try to use both snapshot and codecache to reduce page load time. All >>> going well when I use snapshot or codecache alone. However, when I create >>> codecache for index.js with an engine without snapshot first, then create >>> snapshot for startup.js, then create an engine loading index.js with both >>> snapshot and codecache, crash occurs. Here is stacktrace: >>> >>> [image: Pasted Graphic.png] >>> >>> com.facebook.react.JavaScript (61)#0 0x000000010c7f9a16 in bool >>> v8::internal::IsInRange<v8::internal::InstanceType, >>> v8::internal::InstanceType>(v8::internal::InstanceType, >>> v8::internal::InstanceType, v8::internal::InstanceType) [inlined] at >>> /Volumes/EXTREME SSD/Documents/depot_tools/v8/v8/src/utils/utils.h:69 >>> >>> #1 0x000000010c7f9a16 in >>> v8::internal::InstanceTypeChecker::IsString(v8::internal::InstanceType) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/objects/instance-type-inl.h:33 >>> >>> #2 0x000000010c7f9a16 in >>> v8::internal::HeapObject::IsString(v8::internal::Isolate*) const [inlined] >>> at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/objects/instance-type-inl.h:64 >>> >>> #3 0x000000010c7f9a12 in >>> v8::internal::HeapObject::IsThinString(v8::internal::Isolate*) const >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/objects/objects-inl.h:205 >>> >>> #4 0x000000010c7f9a12 in v8::internal::HeapObject::IsThinString() const >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/objects/objects-inl.h:204 >>> >>> #5 0x000000010c7f9a12 in >>> v8::internal::Deserializer::GetBackReferencedObject(v8::internal::SnapshotSpace) >>> at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:364 >>> >>> #6 0x000000010c7f89b8 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)8, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:813 >>> >>> #7 0x000000010c7f899a in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:579 >>> >>> #8 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #9 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #10 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #11 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #12 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #13 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #14 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #15 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #16 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #17 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #18 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #19 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #20 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #21 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #22 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #23 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #24 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #25 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #26 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #27 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #28 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #29 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #30 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #31 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #32 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #33 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #34 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #35 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #36 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #37 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #38 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #39 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #40 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #41 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #42 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #43 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #44 0x000000010c7faa8d in >>> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >>> >>> #45 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >>> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >>> (v8::internal::SerializerDeserializer::Bytecode)0, >>> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >>> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >>> [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >>> >>> #46 0x000000010c7f89ba in bool >>> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >>> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >>> long) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >>> >>> #47 0x000000010c7fc244 in >>> v8::internal::RootVisitor::VisitRootPointer(v8::internal::Root, char >>> const*, v8::internal::FullObjectSlot) [inlined] at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/objects/visitors.h:73 >>> >>> #48 0x000000010c7fc22c in >>> v8::internal::ObjectDeserializer::Deserialize(v8::internal::Isolate*) at >>> /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/object-deserializer.cc:45 >>> >>> #49 0x000000010c7fc070 in >>> v8::internal::ObjectDeserializer::DeserializeSharedFunctionInfo(v8::internal::Isolate*, >>> v8::internal::SerializedCodeData const*, >>> v8::internal::Handle<v8::internal::String>) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/object-deserializer.cc:29 >>> >>> #50 0x000000010c7f6e70 in >>> v8::internal::CodeSerializer::Deserialize(v8::internal::Isolate*, >>> v8::internal::ScriptData*, v8::internal::Handle<v8::internal::String>, >>> v8::ScriptOriginOptions) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/snapshot/code-serializer.cc:289 >>> >>> #51 0x000000010c42971a in >>> v8::internal::Compiler::GetSharedFunctionInfoForScript(v8::internal::Isolate*, >>> v8::internal::Handle<v8::internal::String>, >>> v8::internal::Compiler::ScriptDetails const&, v8::ScriptOriginOptions, >>> v8::Extension*, v8::internal::ScriptData*, >>> v8::ScriptCompiler::CompileOptions, v8::ScriptCompiler::NoCacheReason, >>> v8::internal::NativesFlag) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/codegen/compiler.cc:2024 >>> >>> #52 0x000000010c398b1a in >>> v8::ScriptCompiler::CompileUnboundInternal(v8::Isolate*, >>> v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions, >>> v8::ScriptCompiler::NoCacheReason) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/api/api.cc:2435 >>> >>> #53 0x000000010c39909f in >>> v8::ScriptCompiler::Compile(v8::Local<v8::Context>, >>> v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions, >>> v8::ScriptCompiler::NoCacheReason) at /Volumes/EXTREME >>> SSD/Documents/depot_tools/v8/v8/src/api/api.cc:2466 >>> >>> #54 0x000000010c36ed77 in >>> facebook::V8Runtime::ExecuteScript(v8::Isolate*, v8::Local<v8::String> >>> const&, std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> > const&) at >>> /Users/wangzitong/Documents/v8executor/src/v8runtime/V8Runtime.mm:317 >>> >>> #55 0x000000010c371131 in >>> facebook::V8Runtime::evaluateJavaScript(std::__1::shared_ptr<facebook::jsi::Buffer >>> const> const&, std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> > const&) at >>> /Users/wangzitong/Documents/v8executor/src/v8runtime/V8Runtime.mm:746 >>> >>> #56 0x000000010a762f72 in >>> facebook::react::JSIExecutor::loadApplicationScript(std::__1::unique_ptr<facebook::react::JSBigString >>> const, std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >) at >>> /Users/wangzitong/Documents/imeituan/Pods/React-jsiexecutor/src/jsireact/JSIExecutor.cpp:126 >>> >>> #57 0x000000010a73a3f9 in >>> facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0::operator()(facebook::react::JSExecutor*) >>> at >>> /Users/wangzitong/Documents/imeituan/Pods/React-cxxreact/src/NativeToJsBridge.cpp:119 >>> >>> #58 0x000000010a73a2a2 in >>> decltype(std::__1::forward<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >>> >)::$_0&>(fp)(std::__1::forward<facebook::react::JSExecutor*>(fp0))) >>> std::__1::__invoke<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0&, >>> facebook::react::JSExecutor*>(facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0&, facebook::react::JSExecutor*&&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >>> >>> #59 0x000000010a73a242 in void >>> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0&, >>> facebook::react::JSExecutor*>(facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0&, facebook::react::JSExecutor*&&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >>> >>> #60 0x000000010a73a1f2 in >>> std::__1::__function::__alloc_func<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0, >>> std::__1::allocator<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0>, void >>> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >>> at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >>> >>> #61 0x000000010a738cb3 in >>> std::__1::__function::__func<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0, >>> std::__1::allocator<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >>> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >>> std::__1::unique_ptr<facebook::react::JSBigString const, >>> std::__1::default_delete<facebook::react::JSBigString const> >, >>> std::__1::basic_string<char, std::__1::char_traits<char>, >>> std::__1::allocator<char> >)::$_0>, void >>> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >>> at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >>> >>> #62 0x000000010a74601d in std::__1::__function::__value_func<void >>> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >>> const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >>> >>> #63 0x000000010a745fa0 in std::__1::function<void >>> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*) >>> const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >>> >>> #64 0x000000010a745f68 in >>> facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7::operator()() const at >>> /Users/wangzitong/Documents/imeituan/Pods/React-cxxreact/src/NativeToJsBridge.cpp:269 >>> >>> #65 0x000000010a745edd in >>> decltype(std::__1::forward<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7&>(fp)()) >>> std::__1::__invoke<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7&>(facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >>> >>> #66 0x000000010a745e8d in void >>> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7&>(facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >>> >>> #67 0x000000010a745e5d in >>> std::__1::__function::__alloc_func<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7, >>> std::__1::allocator<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7>, void ()>::operator()() at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >>> >>> #68 0x000000010a7449be in >>> std::__1::__function::__func<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7, >>> std::__1::allocator<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >>> (facebook::react::JSExecutor*)>)::$_7>, void ()>::operator()() at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >>> >>> #69 0x000000010a5c6755 in std::__1::__function::__value_func<void >>> ()>::operator()() const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >>> >>> #70 0x000000010a5c5e15 in std::__1::function<void ()>::operator()() >>> const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >>> >>> #71 0x000000010a5c5b88 in >>> facebook::react::tryAndReturnError(std::__1::function<void ()> const&) at >>> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxModule/RCTCxxUtils.mm:72 >>> >>> #72 0x000000010a61ccd1 in >>> facebook::react::RCTMessageThread::tryFunc(std::__1::function<void ()> >>> const&) at >>> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:59 >>> >>> #73 0x000000010a621d43 in >>> facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1::operator()() const at >>> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:72 >>> >>> #74 0x000000010a621ccd in >>> decltype(std::__1::forward<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1&>(fp)()) >>> std::__1::__invoke<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1&>(facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >>> >>> #75 0x000000010a621c7d in void >>> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1&>(facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1&) at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >>> >>> #76 0x000000010a621c4d in >>> std::__1::__function::__alloc_func<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1, >>> std::__1::allocator<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1>, void ()>::operator()() at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >>> >>> #77 0x000000010a6207ae in >>> std::__1::__function::__func<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1, >>> std::__1::allocator<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >>> ()>&&)::$_1>, void ()>::operator()() at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >>> >>> #78 0x000000010a5c6755 in std::__1::__function::__value_func<void >>> ()>::operator()() const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >>> >>> #79 0x000000010a5c5e15 in std::__1::function<void ()>::operator()() >>> const at >>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >>> >>> #80 0x000000010a61c92c in invocation function for block in >>> facebook::react::RCTMessageThread::runAsync(std::__1::function<void ()>) at >>> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:39 >>> >>> #81 0x00007fff203a85db in __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ () >>> >>> #82 0x00007fff203a79ef in __CFRunLoopDoBlocks () >>> >>> #83 0x00007fff203a2a6d in __CFRunLoopRun () >>> >>> #84 0x00007fff203a1b9e in CFRunLoopRunSpecific () >>> >>> #85 0x000000010a596071 in +[RCTCxxBridge runRunLoop] at >>> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTCxxBridge.mm:272 >>> >>> #86 0x00007fff2086f521 in __NSThread__start__ () >>> >>> #87 0x00007fff5dcdc109 in _pthread_start () >>> >>> #88 0x00007fff5dcd7b8b in thread_start () >>> >>> >>> And I have digged out some facts: >>> >>> 1. If codecache is created with an engine that is already attached with >>> a snapshot, not an empty engine, no crash. >>> >>> 2. If I annotate some code below in startup.js, no crash. >>> >>> function shouldUseNative() { >>> var test3 = {}; >>> 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { >>> test3[letter] = letter; >>> }); >>> if (Object.keys(test3).join('') !== 'abcdefghijklmnopqrst') { >>> return false; >>> } >>> return true; >>> } >>> shouldUseNative(); >>> >>> >>> V8 version:*7.8.279.23* >>> >>> Can someone know what causes the crash? Thanks. >>> >>> -- >>> -- >>> v8-dev mailing list >>> [email protected] >>> http://groups.google.com/group/v8-dev >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "v8-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/v8-dev/CABaRidUYgN-6ovpJgoHraMtGWx_Nf226UgaN5SZ%2B97ohQsTnUw%40mail.gmail.com >>> <https://groups.google.com/d/msgid/v8-dev/CABaRidUYgN-6ovpJgoHraMtGWx_Nf226UgaN5SZ%2B97ohQsTnUw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/c3f4668d-cf4c-48a7-abb0-eb4809ec1678n%40googlegroups.com > <https://groups.google.com/d/msgid/v8-dev/c3f4668d-cf4c-48a7-abb0-eb4809ec1678n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-dev/CAGRskv9SW2GcHxy-vbg4zAg5kY%2BqV1wcrMJ6ZR0%2B9jkfr1yJEA%40mail.gmail.com.
