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dart::compiler::ffi::NativeStackLocation Class Reference

#include <native_location.h>

Inheritance diagram for dart::compiler::ffi::NativeStackLocation:
dart::compiler::ffi::NativeLocation dart::ZoneAllocated

Public Member Functions

 NativeStackLocation (const NativeType &payload_type, const NativeType &container_type, Register base_register, intptr_t offset_in_bytes)
 
virtual ~NativeStackLocation ()
 
virtual NativeStackLocationWithOtherNativeType (Zone *zone, const NativeType &new_payload_type, const NativeType &new_container_type) const
 
virtual bool IsStack () const
 
virtual bool IsExpressibleAsLocation () const
 
virtual Location AsLocation () const
 
Location AsDoubleStackSlotLocation () const
 
virtual NativeStackLocationSplit (Zone *zone, intptr_t num_parts, intptr_t index) const
 
virtual intptr_t StackTopInBytes () const
 
virtual void PrintTo (BaseTextBuffer *f) const
 
virtual bool Equals (const NativeLocation &other) const
 
Register base_register () const
 
intptr_t offset_in_bytes () const
 
- Public Member Functions inherited from dart::compiler::ffi::NativeLocation
const NativeTypepayload_type () const
 
const NativeTypecontainer_type () const
 
NativeLocationWidenTo4Bytes (Zone *zone) const
 
NativeLocationWidenTo8Bytes (Zone *zone) const
 
virtual bool IsRegisters () const
 
virtual bool IsFpuRegisters () const
 
virtual bool IsMultiple () const
 
virtual bool IsPointerToMemory () const
 
virtual bool IsBoth () const
 
const char * ToCString (Zone *zone) const
 
const char * ToCString () const
 
const NativeRegistersLocationAsRegisters () const
 
const NativeFpuRegistersLocationAsFpuRegisters () const
 
const NativeStackLocationAsStack () const
 
const MultipleNativeLocationsAsMultiple () const
 
const PointerToMemoryLocationAsPointerToMemory () const
 
const BothNativeLocationsAsBoth () const
 
virtual ~NativeLocation ()
 
- Public Member Functions inherited from dart::ZoneAllocated
 ZoneAllocated ()
 
void * operator new (size_t size)
 
void * operator new (size_t size, Zone *zone)
 
void operator delete (void *pointer)
 

Additional Inherited Members

- Static Public Member Functions inherited from dart::compiler::ffi::NativeLocation
static bool LocationCanBeExpressed (Location loc, Representation rep)
 
static NativeLocationFromLocation (Zone *zone, Location loc, Representation rep)
 
static NativeLocationFromPairLocation (Zone *zone, Location loc, Representation rep, intptr_t index)
 
- Protected Member Functions inherited from dart::compiler::ffi::NativeLocation
 NativeLocation (const NativeType &payload_type, const NativeType &container_type)
 

Detailed Description

Definition at line 304 of file native_location.h.

Constructor & Destructor Documentation

◆ NativeStackLocation()

dart::compiler::ffi::NativeStackLocation::NativeStackLocation ( const NativeType payload_type,
const NativeType container_type,
Register  base_register,
intptr_t  offset_in_bytes 
)
inline

Definition at line 306 of file native_location.h.

311 base_register_(base_register),
312 offset_in_bytes_(offset_in_bytes) {}
const NativeType & container_type() const
NativeLocation(const NativeType &payload_type, const NativeType &container_type)
const NativeType & payload_type() const

◆ ~NativeStackLocation()

virtual dart::compiler::ffi::NativeStackLocation::~NativeStackLocation ( )
inlinevirtual

Definition at line 313 of file native_location.h.

313{}

Member Function Documentation

◆ AsDoubleStackSlotLocation()

Location dart::compiler::ffi::NativeStackLocation::AsDoubleStackSlotLocation ( ) const
inline

Definition at line 338 of file native_location.h.

338 {
339 ASSERT(compiler::target::kWordSize == 8);
340 return Location::DoubleStackSlot(offset_in_words(), base_register_);
341 }
static Location DoubleStackSlot(intptr_t stack_index, Register base)
Definition locations.h:458
#define ASSERT(E)

◆ AsLocation()

Location dart::compiler::ffi::NativeStackLocation::AsLocation ( ) const
virtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 118 of file native_location.cc.

118 {
120 if (payload_type().IsInt()) {
121 const intptr_t size = payload_type().SizeInBytes();
122 const intptr_t size_slots = size / compiler::target::kWordSize;
123 switch (size_slots) {
124 case 1:
125 return Location::StackSlot(offset_in_words(), base_register_);
126 case 2:
127 return Location::Pair(
128 Location::StackSlot(offset_in_words(), base_register_),
129 Location::StackSlot(offset_in_words() + 1, base_register_));
130 }
131 } else {
132 ASSERT(payload_type().IsFloat());
133 if (payload_type().AsPrimitive().representation() == kFloat) {
134 return Location::StackSlot(offset_in_words(), base_register_);
135 } else {
136 ASSERT(payload_type().AsPrimitive().representation() == kDouble);
137 return Location::DoubleStackSlot(offset_in_words(), base_register_);
138 }
139 }
141}
static Location StackSlot(intptr_t stack_index, Register base)
Definition locations.h:447
static Location Pair(Location first, Location second)
Definition locations.cc:271
virtual intptr_t SizeInBytes() const =0
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Definition switches.h:259
#define UNREACHABLE_THIS()
Definition native_type.h:25

◆ base_register()

Register dart::compiler::ffi::NativeStackLocation::base_register ( ) const
inline

Definition at line 356 of file native_location.h.

356{ return base_register_; }

◆ Equals()

bool dart::compiler::ffi::NativeStackLocation::Equals ( const NativeLocation other) const
virtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 248 of file native_location.cc.

248 {
249 if (!other.IsStack()) {
250 return false;
251 }
252 const auto& other_stack = other.AsStack();
253 if (other_stack.base_register_ != base_register_) {
254 return false;
255 }
256 return other_stack.offset_in_bytes_ == offset_in_bytes_;
257}

◆ IsExpressibleAsLocation()

virtual bool dart::compiler::ffi::NativeStackLocation::IsExpressibleAsLocation ( ) const
inlinevirtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 324 of file native_location.h.

324 {
325 const intptr_t size = payload_type().SizeInBytes();
326 const intptr_t size_slots = size / compiler::target::kWordSize;
327 return offset_in_bytes_ % compiler::target::kWordSize == 0 &&
328 size % compiler::target::kWordSize == 0 &&
329 (size_slots == 1 || size_slots == 2);
330 }

◆ IsStack()

virtual bool dart::compiler::ffi::NativeStackLocation::IsStack ( ) const
inlinevirtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 323 of file native_location.h.

323{ return true; }

◆ offset_in_bytes()

intptr_t dart::compiler::ffi::NativeStackLocation::offset_in_bytes ( ) const
inline

Definition at line 357 of file native_location.h.

357{ return offset_in_bytes_; }

◆ PrintTo()

void dart::compiler::ffi::NativeStackLocation::PrintTo ( BaseTextBuffer f) const
virtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 328 of file native_location.cc.

328 {
329 if (base_register_ != SPREG) {
330 f->Printf("S(%s)+%" Pd, RegisterNames::RegisterAbiName(base_register_),
331 offset_in_bytes_);
332 } else {
333 f->Printf("S+%" Pd, offset_in_bytes_);
334 }
335 PrintRepresentations(f, *this);
336}
static const char * RegisterAbiName(Register reg)
Definition constants.h:50
static void PrintRepresentations(BaseTextBuffer *f, const NativeLocation &loc)
const Register SPREG
#define Pd
Definition globals.h:408

◆ Split()

NativeStackLocation & dart::compiler::ffi::NativeStackLocation::Split ( Zone zone,
intptr_t  num_parts,
intptr_t  index 
) const
virtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 154 of file native_location.cc.

156 {
157 const intptr_t size = payload_type().SizeInBytes();
158
159 if (payload_type().IsPrimitive()) {
160 ASSERT(num_parts == 2);
161 return *new (zone) NativeStackLocation(
162 payload_type().Split(zone, index), container_type().Split(zone, index),
163 base_register_, offset_in_bytes_ + size / num_parts * index);
164 } else {
165 const intptr_t size_rounded_up =
166 Utils::RoundUp(size, compiler::target::kWordSize);
167 ASSERT(size_rounded_up / compiler::target::kWordSize == num_parts);
168
169 // Blocks of compiler::target::kWordSize.
170 return *new (zone) NativeStackLocation(
171 *new (zone) NativePrimitiveType(
172 compiler::target::kWordSize == 8 ? kInt64 : kInt32),
173 *new (zone) NativePrimitiveType(
175 base_register_, offset_in_bytes_ + compiler::target::kWordSize * index);
176 }
177}
static constexpr T RoundUp(T x, uintptr_t alignment, uintptr_t offset=0)
Definition utils.h:105
NativeStackLocation(const NativeType &payload_type, const NativeType &container_type, Register base_register, intptr_t offset_in_bytes)
virtual NativeType & Split(Zone *zone, intptr_t index) const
uint32_t * target
InvalidClass kWordSize

◆ StackTopInBytes()

virtual intptr_t dart::compiler::ffi::NativeStackLocation::StackTopInBytes ( ) const
inlinevirtual

Reimplemented from dart::compiler::ffi::NativeLocation.

Definition at line 348 of file native_location.h.

348 {
350 }

◆ WithOtherNativeType()

virtual NativeStackLocation & dart::compiler::ffi::NativeStackLocation::WithOtherNativeType ( Zone zone,
const NativeType new_payload_type,
const NativeType new_container_type 
) const
inlinevirtual

Implements dart::compiler::ffi::NativeLocation.

Definition at line 315 of file native_location.h.

318 {
319 return *new (zone) NativeStackLocation(new_payload_type, new_container_type,
320 base_register_, offset_in_bytes_);
321 }

The documentation for this class was generated from the following files: