app_snapshot.cc File Reference

#include <memory>
#include <utility>
#include "vm/app_snapshot.h"
#include "platform/assert.h"
#include "vm/bootstrap.h"
#include "vm/bss_relocs.h"
#include "vm/canonical_tables.h"
#include "vm/class_id.h"
#include "vm/code_observers.h"
#include "vm/compiler/api/print_filter.h"
#include "vm/compiler/assembler/disassembler.h"
#include "vm/dart.h"
#include "vm/dart_entry.h"
#include "vm/dispatch_table.h"
#include "vm/flag_list.h"
#include "vm/growable_array.h"
#include "vm/heap/heap.h"
#include "vm/image_snapshot.h"
#include "vm/native_entry.h"
#include "vm/object.h"
#include "vm/object_store.h"
#include "vm/program_visitor.h"
#include "vm/raw_object_fields.h"
#include "vm/stub_code.h"
#include "vm/symbols.h"
#include "vm/timeline.h"
#include "vm/v8_snapshot_writer.h"
#include "vm/version.h"
#include "vm/zone_text_buffer.h"
#include "vm/compiler/backend/code_statistics.h"
#include "vm/compiler/backend/il_printer.h"
#include "vm/compiler/relocation.h"

Go to the source code of this file.

Classes
class	dart::SerializationCluster
class	dart::DeserializationCluster
class	dart::SerializationRoots
class	dart::DeserializationRoots
class	dart::Serializer
class	dart::Serializer::WritingObjectScope
class	dart::Deserializer
class	dart::Deserializer::Local
class	dart::ClassSerializationCluster
class	dart::ClassDeserializationCluster
class	dart::CanonicalSetSerializationCluster< SetType, HandleType, PointerType, kAllCanonicalObjectsAreIncludedIntoSet >
class	dart::CanonicalSetDeserializationCluster< SetType, kAllCanonicalObjectsAreIncludedIntoSet >
class	dart::TypeParametersSerializationCluster
class	dart::TypeParametersDeserializationCluster
class	dart::TypeArgumentsSerializationCluster
class	dart::TypeArgumentsDeserializationCluster
class	dart::PatchClassSerializationCluster
class	dart::PatchClassDeserializationCluster
class	dart::FunctionSerializationCluster
class	dart::FunctionDeserializationCluster
class	dart::ClosureDataSerializationCluster
class	dart::ClosureDataDeserializationCluster
class	dart::FfiTrampolineDataSerializationCluster
class	dart::FfiTrampolineDataDeserializationCluster
class	dart::FieldSerializationCluster
class	dart::FieldDeserializationCluster
class	dart::ScriptSerializationCluster
class	dart::ScriptDeserializationCluster
class	dart::LibrarySerializationCluster
class	dart::LibraryDeserializationCluster
class	dart::NamespaceSerializationCluster
class	dart::NamespaceDeserializationCluster
class	dart::KernelProgramInfoSerializationCluster
class	dart::KernelProgramInfoDeserializationCluster
class	dart::CodeSerializationCluster
struct	dart::CodeSerializationCluster::CodeOrderInfo
class	dart::CodeDeserializationCluster
class	dart::ObjectPoolSerializationCluster
class	dart::ObjectPoolDeserializationCluster
class	dart::PcDescriptorsSerializationCluster
class	dart::PcDescriptorsDeserializationCluster
class	dart::CodeSourceMapSerializationCluster
class	dart::CodeSourceMapDeserializationCluster
class	dart::CompressedStackMapsSerializationCluster
class	dart::CompressedStackMapsDeserializationCluster
class	dart::RODataSerializationCluster
class	dart::RODataDeserializationCluster
class	dart::ExceptionHandlersSerializationCluster
class	dart::ExceptionHandlersDeserializationCluster
class	dart::ContextSerializationCluster
class	dart::ContextDeserializationCluster
class	dart::ContextScopeSerializationCluster
class	dart::ContextScopeDeserializationCluster
class	dart::UnlinkedCallSerializationCluster
class	dart::UnlinkedCallDeserializationCluster
class	dart::ICDataSerializationCluster
class	dart::ICDataDeserializationCluster
class	dart::MegamorphicCacheSerializationCluster
class	dart::MegamorphicCacheDeserializationCluster
class	dart::SubtypeTestCacheSerializationCluster
class	dart::SubtypeTestCacheDeserializationCluster
class	dart::LoadingUnitSerializationCluster
class	dart::LoadingUnitDeserializationCluster
class	dart::LanguageErrorSerializationCluster
class	dart::LanguageErrorDeserializationCluster
class	dart::UnhandledExceptionSerializationCluster
class	dart::UnhandledExceptionDeserializationCluster
class	dart::InstanceSerializationCluster
class	dart::AbstractInstanceDeserializationCluster
class	dart::InstanceDeserializationCluster
class	dart::LibraryPrefixSerializationCluster
class	dart::LibraryPrefixDeserializationCluster
class	dart::TypeSerializationCluster
class	dart::TypeDeserializationCluster
class	dart::FunctionTypeSerializationCluster
class	dart::FunctionTypeDeserializationCluster
class	dart::RecordTypeSerializationCluster
class	dart::RecordTypeDeserializationCluster
class	dart::TypeParameterSerializationCluster
class	dart::TypeParameterDeserializationCluster
class	dart::ClosureSerializationCluster
class	dart::ClosureDeserializationCluster
class	dart::MintSerializationCluster
class	dart::MintDeserializationCluster
class	dart::DoubleSerializationCluster
class	dart::DoubleDeserializationCluster
class	dart::Simd128SerializationCluster
class	dart::Simd128DeserializationCluster
class	dart::GrowableObjectArraySerializationCluster
class	dart::GrowableObjectArrayDeserializationCluster
class	dart::RecordSerializationCluster
class	dart::RecordDeserializationCluster
class	dart::TypedDataSerializationCluster
class	dart::TypedDataDeserializationCluster
class	dart::TypedDataViewSerializationCluster
class	dart::TypedDataViewDeserializationCluster
class	dart::ExternalTypedDataSerializationCluster
class	dart::ExternalTypedDataDeserializationCluster
class	dart::DeltaEncodedTypedDataSerializationCluster
class	dart::DeltaEncodedTypedDataDeserializationCluster
class	dart::StackTraceSerializationCluster
class	dart::StackTraceDeserializationCluster
class	dart::RegExpSerializationCluster
class	dart::RegExpDeserializationCluster
class	dart::WeakPropertySerializationCluster
class	dart::WeakPropertyDeserializationCluster
class	dart::MapSerializationCluster
class	dart::MapDeserializationCluster
class	dart::SetSerializationCluster
class	dart::SetDeserializationCluster
class	dart::ArraySerializationCluster
class	dart::ArrayDeserializationCluster
class	dart::WeakArraySerializationCluster
class	dart::WeakArrayDeserializationCluster
class	dart::StringSerializationCluster
class	dart::StringDeserializationCluster
class	dart::FakeSerializationCluster
class	dart::VMSerializationRoots
class	dart::VMDeserializationRoots
class	dart::ProgramSerializationRoots
class	dart::ProgramDeserializationRoots
class	dart::UnitSerializationRoots
class	dart::UnitDeserializationRoots
class	dart::HeapLocker

Namespaces
namespace	dart

Macros
#define	AutoTraceObject(obj)    Serializer::WritingObjectScope scope_##__COUNTER__(s, name(), obj, nullptr)
#define	AutoTraceObjectName(obj, str)    Serializer::WritingObjectScope scope_##__COUNTER__(s, name(), obj, str)
#define	WriteFieldValue(field, value)   s->WritePropertyRef(value, #field);
#define	WriteFromTo(obj, ...)   s->WriteFromTo(obj, ##__VA_ARGS__);
#define	PushFromTo(obj, ...)   s->PushFromTo(obj, ##__VA_ARGS__);
#define	WriteField(obj, field)   s->WritePropertyRef(obj->untag()->field, #field)
#define	WriteCompressedField(obj, name)    s->WritePropertyRef(obj->untag()->name(), #name "_")
#define	DECLARE_OBJECT_STORE_FIELD(Type, Name)   #Name,
#define	RESET_ROOT_LIST(V)
#define	ONLY_IN_AOT(code)
#define	SAVE_AND_RESET_ROOT(name, Type, init)
#define	ONLY_IN_AOT(code)
#define	RESTORE_ROOT(name, Type, init)    object_store_->set_##name(saved_##name##_);
#define	ONLY_IN_AOT(code)   code
#define	DECLARE_FIELD(name, Type, init)   Type& saved_##name##_ = Type::Handle();
#define	CASE_FFI_CID(name)   case kFfi##name##Cid:
#define	CID_CLUSTER(Type)    reinterpret_cast<Type##SerializationCluster*>(clusters_by_cid_[k##Type##Cid])
#define	ADD_CANONICAL_NEXT(cid)
#define	ADD_NON_CANONICAL_NEXT(cid)
#define	CASE_FFI_CID(name)   case kFfi##name##Cid:
#define	SET_FLAG(name)
#define	CHECK_FLAG(name, mode)
#define	SET_P(name, T, DV, C)   SET_FLAG(name)
#define	SET_OR_CHECK_R(name, PV, T, DV, C)   SET_FLAG(name)
#define	SET_OR_CHECK_C(name, PV, T, DV, C)   SET_FLAG(name)
#define	SET_OR_CHECK_D(name, T, DV, C)   CHECK_FLAG(name, "non-debug mode")

Functions
	dart::DEFINE_FLAG (bool, print_cluster_information, false, "Print information about clusters written to snapshot")
	dart::COMPILE_ASSERT (kUnreachableReference==WeakTable::kNoValue)
static constexpr bool	dart::IsAllocatedReference (intptr_t ref)
static constexpr bool	dart::IsArtificialReference (intptr_t ref)
static constexpr bool	dart::IsReachableReference (intptr_t ref)
static UnboxedFieldBitmap	dart::CalculateTargetUnboxedFieldsBitmap (Serializer *s, intptr_t class_id)
template<bool need_entry_point_for_non_discarded>
static DART_FORCE_INLINE CodePtr	dart::GetCodeAndEntryPointByIndex (const Deserializer *d, intptr_t code_index, uword *entry_point)
static int	dart::CompareClusters (SerializationCluster *const *a, SerializationCluster *const *b)

Variables
static constexpr intptr_t	dart::kUnreachableReference = 0
static constexpr intptr_t	dart::kFirstReference = 1
static constexpr intptr_t	dart::kUnallocatedReference = -1
static const char *const	dart::kObjectStoreFieldNames []

Macro Definition Documentation

ADD_CANONICAL_NEXT

#define ADD_CANONICAL_NEXT

(

cid

)

Value:

  if (auto const cluster = canonical_clusters_by_cid_[cid]) {                  \
    clusters.Add(cluster);                                                     \
    canonical_clusters_by_cid_[cid] = nullptr;                                 \
  }

ADD_NON_CANONICAL_NEXT

#define ADD_NON_CANONICAL_NEXT

(

cid

)

Value:

  if (auto const cluster = clusters_by_cid_[cid]) {                            \
    clusters.Add(cluster);                                                     \
    clusters_by_cid_[cid] = nullptr;                                           \
  }

AutoTraceObject

#define AutoTraceObject

(

obj

)

Serializer::WritingObjectScope scope_##__COUNTER__(s, name(), obj, nullptr)

Definition at line 649 of file app_snapshot.cc.

AutoTraceObjectName

#define AutoTraceObjectName	(		obj,
			str
	)		Serializer::WritingObjectScope scope_##__COUNTER__(s, name(), obj, str)

Definition at line 652 of file app_snapshot.cc.

CASE_FFI_CID [1/2]

#define CASE_FFI_CID

(

name

)

case kFfi##name##Cid:

CASE_FFI_CID [2/2]

#define CASE_FFI_CID

(

name

)

case kFfi##name##Cid:

CHECK_FLAG

#define CHECK_FLAG	(		name,
			mode
	)

Value:

  if (strncmp(cursor, #name, end - cursor) == 0) {                             \
    if (!FLAG_##name) {                                                        \
      return header_reader.BuildError("Flag " #name                            \
                                      " is true in snapshot, "                 \
                                      "but " #name                             \
                                      " is always false in " mode);            \
    }                                                                          \
    cursor = end;                                                              \
    continue;                                                                  \
  }                                                                            \
  if (strncmp(cursor, "no-" #name, end - cursor) == 0) {                       \
    if (FLAG_##name) {                                                         \
      return header_reader.BuildError("Flag " #name                            \
                                      " is false in snapshot, "                \
                                      "but " #name                             \
                                      " is always true in " mode);             \
    }                                                                          \
    cursor = end;                                                              \
    continue;                                                                  \
  }

CID_CLUSTER

#define CID_CLUSTER

(

Type

)

reinterpret_cast<Type##SerializationCluster*>(clusters_by_cid_[k##Type##Cid])

Definition at line 8549 of file app_snapshot.cc.

DECLARE_FIELD

#define DECLARE_FIELD	(		name,
			Type,
			init
	)		Type& saved_##name##_ = Type::Handle();

Definition at line 7178 of file app_snapshot.cc.

DECLARE_OBJECT_STORE_FIELD

#define DECLARE_OBJECT_STORE_FIELD	(		Type,
			Name
	)		#Name,

ONLY_IN_AOT [1/3]

#define ONLY_IN_AOT

(

code

)

Value:

  if (snapshot_kind_ == Snapshot::kFullAOT) {                                  \
    code                                                                       \
  }

Definition at line 7177 of file app_snapshot.cc.

ONLY_IN_AOT [2/3]

#define ONLY_IN_AOT

(

code

)

Value:

  if (snapshot_kind_ == Snapshot::kFullAOT) {                                  \
    code                                                                       \
  }

Definition at line 7177 of file app_snapshot.cc.

ONLY_IN_AOT [3/3]

#define ONLY_IN_AOT

(

code

)

code

Definition at line 7177 of file app_snapshot.cc.

PushFromTo

#define PushFromTo	(		obj,
			...
	)		s->PushFromTo(obj, ##__VA_ARGS__);

Definition at line 659 of file app_snapshot.cc.

RESET_ROOT_LIST

#define RESET_ROOT_LIST

(

V

)

Value:

  V(symbol_table, WeakArray, HashTables::New<CanonicalStringSet>(4))           \
  V(canonical_types, Array, HashTables::New<CanonicalTypeSet>(4))              \
  V(canonical_function_types, Array,                                           \
    HashTables::New<CanonicalFunctionTypeSet>(4))                              \
  V(canonical_record_types, Array, HashTables::New<CanonicalRecordTypeSet>(4)) \
  V(canonical_type_arguments, Array,                                           \
    HashTables::New<CanonicalTypeArgumentsSet>(4))                             \
  V(canonical_type_parameters, Array,                                          \
    HashTables::New<CanonicalTypeParameterSet>(4))                             \
  ONLY_IN_PRODUCT(ONLY_IN_AOT(                                                 \
      V(closure_functions, GrowableObjectArray, GrowableObjectArray::null()))) \
  ONLY_IN_AOT(V(closure_functions_table, Array, Array::null()))                \
  ONLY_IN_AOT(V(canonicalized_stack_map_entries, CompressedStackMaps,          \
                CompressedStackMaps::null()))

Definition at line 7039 of file app_snapshot.cc.

RESTORE_ROOT

#define RESTORE_ROOT	(		name,
			Type,
			init
	)		object_store_->set_##name(saved_##name##_);

SAVE_AND_RESET_ROOT

#define SAVE_AND_RESET_ROOT	(		name,
			Type,
			init
	)

Value:

  do {                                                                         \
    saved_##name##_ = object_store->name();                                    \
    object_store->set_##name(Type::Handle(init));                              \
  } while (0);

SET_FLAG

#define SET_FLAG

(

name

)

Value:

  if (strncmp(cursor, #name, end - cursor) == 0) {                             \
    FLAG_##name = true;                                                        \
    cursor = end;                                                              \
    continue;                                                                  \
  }                                                                            \
  if (strncmp(cursor, "no-" #name, end - cursor) == 0) {                       \
    FLAG_##name = false;                                                       \
    cursor = end;                                                              \
    continue;                                                                  \
  }

SET_OR_CHECK_C

#define SET_OR_CHECK_C	(		name,
			PV,
			T,
			DV,
			C
	)		SET_FLAG(name)

SET_OR_CHECK_D

#define SET_OR_CHECK_D	(		name,
			T,
			DV,
			C
	)		CHECK_FLAG(name, "non-debug mode")

SET_OR_CHECK_R

#define SET_OR_CHECK_R	(		name,
			PV,
			T,
			DV,
			C
	)		SET_FLAG(name)

SET_P

#define SET_P	(		name,
			T,
			DV,
			C
	)		SET_FLAG(name)

WriteCompressedField

#define WriteCompressedField	(		obj,
			name
	)		s->WritePropertyRef(obj->untag()->name(), #name "_")

Definition at line 662 of file app_snapshot.cc.

WriteField

#define WriteField	(		obj,
			field
	)		s->WritePropertyRef(obj->untag()->field, #field)

Definition at line 661 of file app_snapshot.cc.

WriteFieldValue

#define WriteFieldValue	(		field,
			value
	)		s->WritePropertyRef(value, #field);

Definition at line 655 of file app_snapshot.cc.

WriteFromTo

#define WriteFromTo	(		obj,
			...
	)		s->WriteFromTo(obj, ##__VA_ARGS__);

Definition at line 657 of file app_snapshot.cc.