SPIRV-Tools/source/endian.h

// Copyright (c) 2015 The Khronos Group Inc.
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#ifndef LIBSPIRV_ENDIAN_H_
#define LIBSPIRV_ENDIAN_H_

#include <libspirv/libspirv.h>

/// @brief Fix the endianness of a word
///
/// @param[in] word whos endianness should be fixed
/// @param[in] endian the desired endianness
///
/// @return word with host endianness correction
uint32_t spvFixWord(const uint32_t word, const spv_endianness_t endian);

/// @brief Fix the endianness of a double word
///
/// @param[in] low the lower 32-bit of the double word
/// @param[in] high the higher 32-bit of the double word
/// @param[in] endian the desired endianness
///
/// @return word with host endianness correction
uint64_t spvFixDoubleWord(const uint32_t low, const uint32_t high,
                          const spv_endianness_t endian);

/// @brief Determine the endianness of the SPV binary
///
/// Gets the endianness of the SPV source. Returns SPV_ENDIANNESS_UNKNOWN if
/// the
/// SPV magic number is invalid, otherwise the determined endianness.
///
/// @param[in] binary the binary module
/// @param[out] pEndian return the endianness of the SPV module
///
/// @return result code
spv_result_t spvBinaryEndianness(const spv_binary binary,
                                 spv_endianness_t* pEndian);

#endif  // LIBSPIRV_ENDIAN_H_