#include <Data.h>

Collaboration diagram for onert::ir::MMapedData:

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Public Member Functions
	MMapedData (int fd, const std::ptrdiff_t mmap_offset, const size_t mmap_size, const std::ptrdiff_t data_offset, const size_t data_size)

	~MMapedData ()

const uint8_t *	base (void) const override

Public Member Functions inherited from onert::ir::ExternalData
	ExternalData (const uint8_t *base, size_t size)

size_t	size (void) const override

Public Member Functions inherited from onert::ir::Data
virtual	~Data ()=default

Detailed Description

Definition at line 71 of file Data.h.

Constructor & Destructor Documentation

◆ MMapedData()

onert::ir::MMapedData::MMapedData	(	int	fd,
		const std::ptrdiff_t	mmap_offset,
		const size_t	mmap_size,
		const std::ptrdiff_t	data_offset,
		const size_t	data_size
	)

inline

Definition at line 74 of file Data.h.

    : ExternalData(nullptr, data_size),
      _mmap_base(
        static_cast<uint8_t *>(mmap(NULL, mmap_size, PROT_READ, MAP_PRIVATE, fd, mmap_offset))),
      _mmap_size(mmap_size), _offset(data_offset - mmap_offset)
  {
    // DO NOTHING
  }

◆ ~MMapedData()

onert::ir::MMapedData::~MMapedData ( )

inline

Definition at line 85 of file Data.h.

  {
    if (_mmap_size > 0)
    {
      munmap(const_cast<uint8_t *>(_mmap_base), _mmap_size);
    }
  }

Member Function Documentation

◆ base()

const uint8_t * onert::ir::MMapedData::base ( void ) const

inlineoverridevirtual

Reimplemented from onert::ir::ExternalData.

Definition at line 94 of file Data.h.

94{ return _mmap_base + _offset; }

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