LLVM  4.0.0
Classes | Typedefs | Functions
llvm::support::endian Namespace Reference

Classes

struct  Writer
 Adapter to write values to a stream in a particular byte order. More...
 

Typedefs

template<typename value_type >
using make_unsigned_t = typename std::make_unsigned< value_type >::type
 

Functions

template<typename value_type , endianness endian>
value_type byte_swap (value_type value)
 Swap the bytes of value to match the given endianness. More...
 
template<typename value_type , endianness endian, std::size_t alignment>
value_type read (const void *memory)
 Read a value of a particular endianness from memory. More...
 
template<typename value_type , endianness endian, std::size_t alignment, typename CharT >
value_type readNext (const CharT *&memory)
 Read a value of a particular endianness from a buffer, and increment the buffer past that value. More...
 
template<typename value_type , endianness endian, std::size_t alignment>
void write (void *memory, value_type value)
 Write a value to memory with a particular endianness. More...
 
template<typename value_type , endianness endian, std::size_t alignment>
value_type readAtBitAlignment (const void *memory, uint64_t startBit)
 Read a value of a particular endianness from memory, for a location that starts at the given bit offset within the first byte. More...
 
template<typename value_type , endianness endian, std::size_t alignment>
void writeAtBitAlignment (void *memory, value_type value, uint64_t startBit)
 Write a value to memory with a particular endianness, for a location that starts at the given bit offset within the first byte. More...
 
template<typename T , endianness E>
T read (const void *P)
 
template<endianness E>
uint16_t read16 (const void *P)
 
template<endianness E>
uint32_t read32 (const void *P)
 
template<endianness E>
uint64_t read64 (const void *P)
 
uint16_t read16le (const void *P)
 
uint32_t read32le (const void *P)
 
uint64_t read64le (const void *P)
 
uint16_t read16be (const void *P)
 
uint32_t read32be (const void *P)
 
uint64_t read64be (const void *P)
 
template<typename T , endianness E>
void write (void *P, T V)
 
template<endianness E>
void write16 (void *P, uint16_t V)
 
template<endianness E>
void write32 (void *P, uint32_t V)
 
template<endianness E>
void write64 (void *P, uint64_t V)
 
void write16le (void *P, uint16_t V)
 
void write32le (void *P, uint32_t V)
 
void write64le (void *P, uint64_t V)
 
void write16be (void *P, uint16_t V)
 
void write32be (void *P, uint32_t V)
 
void write64be (void *P, uint64_t V)
 

Typedef Documentation

template<typename value_type >
using llvm::support::endian::make_unsigned_t = typedef typename std::make_unsigned<value_type>::type

Definition at line 81 of file Endian.h.

Function Documentation

template<typename value_type , endianness endian>
value_type llvm::support::endian::byte_swap ( value_type  value)
inline

Swap the bytes of value to match the given endianness.

Definition at line 38 of file Endian.h.

References llvm::support::big, llvm::sys::IsBigEndianHost, llvm::support::native, and llvm::sys::swapByteOrder().

template<typename value_type , endianness endian, std::size_t alignment>
value_type llvm::support::endian::read ( const void *  memory)
inline
template<typename T , endianness E>
T llvm::support::endian::read ( const void *  P)
inline

Definition at line 303 of file Endian.h.

template<endianness E>
uint16_t llvm::support::endian::read16 ( const void *  P)
inline

Definition at line 307 of file Endian.h.

References P.

uint16_t llvm::support::endian::read16be ( const void *  P)
inline

Definition at line 320 of file Endian.h.

References P.

uint16_t llvm::support::endian::read16le ( const void *  P)
inline

Definition at line 317 of file Endian.h.

References P.

Referenced by llvm::object::Archive::Symbol::getMember().

template<endianness E>
uint32_t llvm::support::endian::read32 ( const void *  P)
inline

Definition at line 310 of file Endian.h.

References P.

uint32_t llvm::support::endian::read32be ( const void *  P)
inline
uint32_t llvm::support::endian::read32le ( const void *  P)
inline
template<endianness E>
uint64_t llvm::support::endian::read64 ( const void *  P)
inline

Definition at line 313 of file Endian.h.

References P.

uint64_t llvm::support::endian::read64be ( const void *  P)
inline
uint64_t llvm::support::endian::read64le ( const void *  P)
inline
template<typename value_type , endianness endian, std::size_t alignment>
value_type llvm::support::endian::readAtBitAlignment ( const void *  memory,
uint64_t  startBit 
)
inline

Read a value of a particular endianness from memory, for a location that starts at the given bit offset within the first byte.

Definition at line 86 of file Endian.h.

References assert(), and LLVM_ASSUME_ALIGNED.

template<typename value_type , endianness endian, std::size_t alignment, typename CharT >
value_type llvm::support::endian::readNext ( const CharT *&  memory)
inline

Read a value of a particular endianness from a buffer, and increment the buffer past that value.

Definition at line 62 of file Endian.h.

template<typename value_type , endianness endian, std::size_t alignment>
void llvm::support::endian::write ( void *  memory,
value_type  value 
)
inline

Write a value to memory with a particular endianness.

Definition at line 72 of file Endian.h.

References LLVM_ASSUME_ALIGNED.

Referenced by llvm::sys::fs::copy_file(), and llvm::support::endian::Writer< endian >::write().

template<typename T , endianness E>
void llvm::support::endian::write ( void *  P,
T  V 
)
inline

Definition at line 324 of file Endian.h.

template<endianness E>
void llvm::support::endian::write16 ( void *  P,
uint16_t  V 
)
inline

Definition at line 328 of file Endian.h.

References P.

void llvm::support::endian::write16be ( void *  P,
uint16_t  V 
)
inline

Definition at line 341 of file Endian.h.

References P.

void llvm::support::endian::write16le ( void *  P,
uint16_t  V 
)
inline

Definition at line 338 of file Endian.h.

References P.

template<endianness E>
void llvm::support::endian::write32 ( void *  P,
uint32_t  V 
)
inline

Definition at line 331 of file Endian.h.

References P.

void llvm::support::endian::write32be ( void *  P,
uint32_t  V 
)
inline

Definition at line 342 of file Endian.h.

References P.

void llvm::support::endian::write32le ( void *  P,
uint32_t  V 
)
inline
template<endianness E>
void llvm::support::endian::write64 ( void *  P,
uint64_t  V 
)
inline

Definition at line 334 of file Endian.h.

References P.

void llvm::support::endian::write64be ( void *  P,
uint64_t  V 
)
inline

Definition at line 343 of file Endian.h.

References P.

void llvm::support::endian::write64le ( void *  P,
uint64_t  V 
)
inline

Definition at line 340 of file Endian.h.

References P.

template<typename value_type , endianness endian, std::size_t alignment>
void llvm::support::endian::writeAtBitAlignment ( void *  memory,
value_type  value,
uint64_t  startBit 
)
inline

Write a value to memory with a particular endianness, for a location that starts at the given bit offset within the first byte.

Definition at line 120 of file Endian.h.

References assert(), and LLVM_ASSUME_ALIGNED.