ghidra::LanedRegister Class Reference

Describes a (register) storage location and the ways it might be split into lanes. More...

#include <transform.hh>

Classes
class	LanedIterator
	Class for iterating over possible lane sizes. More...

Public Types
typedef LanedIterator	const_iterator
	Iterator over possible lane sizes for this register.

Public Member Functions
	LanedRegister (void)
	Constructor for use with decode.
	LanedRegister (int4 sz, uint4 mask)
	Constructor.
bool	decode (Decoder &decoder)
	Parse <register> elements for lane sizes. More...
int4	getWholeSize (void) const
	Get the size in bytes of the whole laned register.
uint4	getSizeBitMask (void) const
	Get the bit mask of possible lane sizes.
void	addLaneSize (int4 size)
	Add a new size to the allowed list.
bool	allowedLane (int4 size) const
	Is size among the allowed lane sizes.
const_iterator	begin (void) const
	Starting iterator over possible lane sizes.
const_iterator	end (void) const
	Ending iterator over possible lane sizes.

Private Attributes
int4	wholeSize
	Size of the whole register.
uint4	sizeBitMask
	A 1-bit for every permissible lane size.

Friends
class	LanedIterator

Detailed Description

Describes a (register) storage location and the ways it might be split into lanes.

Member Function Documentation

decode()

bool ghidra::LanedRegister::decode

(

Decoder &

decoder

)

Parse <register> elements for lane sizes.

Parse any vector lane sizes.

Parameters

decoder

is the stream decoder

Returns

true if the XML description provides lane sizes

References ghidra::Decoder::closeElement(), ghidra::VarnodeData::decodeFromAttributes(), ghidra::Decoder::getNextAttributeId(), ghidra::Decoder::openElement(), ghidra::Decoder::readString(), ghidra::Decoder::rewindAttributes(), ghidra::VarnodeData::size, ghidra::VarnodeData::space, and ghidra::LaneDescription::wholeSize.

Referenced by ghidra::Architecture::decodeLaneSizes().

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

• transform.hh
• transform.cc