elf_fsize(3elf)

elf_fsize: elf32_fsize, elf64_fsize -- return the size of an object file type

Synopsis

   cc [flag . . . ] file . . . -lelf [library] . . .
   
   #include <libelf.h>
   

   size_t elf32_fsize(Elf_Type type, size_t count, unsigned ver);
   size_t elf64_fsize(Elf_Type type, size_t count, unsigned ver);

Description

elf32_fsize gives the size in bytes of the 32-bit file representation of count data objects with the given type. elf64_fsize gives the size in bytes of the 64-bit file representation of count data objects with the given type. The library uses version ver to calculate the size [see Intro(3elf) and elf_version(3elf)].

Constant values are available for the sizes of fundamental types.

Elf_Type File Size Memory Size

ELF_T_ADDR ELF32_FSZ_ADDR sizeof(Elf32_Addr)

ELF_T_BYTE 1 sizeof(unsigned char)

ELF_T_HALF ELF32_FSZ_HALF sizeof(Elf32_Half)

ELT_T_OFF ELF32_FSZ_OFF sizeof(Elf32_Off)

ELF_T_SWORD ELF32_FSZ_SWORD sizeof(Elf32_Sword)

ELF_T_WORD ELF32_FSZ_WORD sizeof(Elf32_Word)

Elf_Type	File Size	Memory Size
`ELF_T_ADDR`	`ELF32_FSZ_ADDR`	`sizeof(Elf32_Addr)`
`ELF_T_BYTE`	`1`	`sizeof(unsigned char)`
`ELF_T_HALF`	`ELF32_FSZ_HALF`	`sizeof(Elf32_Half)`
`ELT_T_OFF`	`ELF32_FSZ_OFF`	`sizeof(Elf32_Off)`
`ELF_T_SWORD`	`ELF32_FSZ_SWORD`	`sizeof(Elf32_Sword)`
`ELF_T_WORD`	`ELF32_FSZ_WORD`	`sizeof(Elf32_Word)`

Elf_Type File Size Memory Size

ELF_T_ADDR ELF64_FSZ_ADDR sizeof(Elf64_Addr)

ELF_T_BYTE 1 sizeof(unsigned char)

ELF_T_HALF ELF64_FSZ_HALF sizeof(Elf64_Half)

ELT_T_OFF ELF64_FSZ_OFF sizeof(Elf64_Off)

ELF_T_SWORD ELF64_FSZ_SWORD sizeof(Elf64_Sword)

ELF_T_WORD ELF64_FSZ_WORD sizeof(Elf64_Word)

ELF_T_SXWORD ELF64_FSZ_SXWORD sizeof(Elf64_Sxword)

ELF_T_XWORD ELF64_FSZ_XWORD sizeof(Elf64_Xword)

Elf_Type	File Size	Memory Size
`ELF_T_ADDR`	`ELF64_FSZ_ADDR`	`sizeof(Elf64_Addr)`
`ELF_T_BYTE`	`1`	`sizeof(unsigned char)`
`ELF_T_HALF`	`ELF64_FSZ_HALF`	`sizeof(Elf64_Half)`
`ELT_T_OFF`	`ELF64_FSZ_OFF`	`sizeof(Elf64_Off)`
`ELF_T_SWORD`	`ELF64_FSZ_SWORD`	`sizeof(Elf64_Sword)`
`ELF_T_WORD`	`ELF64_FSZ_WORD`	`sizeof(Elf64_Word)`
`ELF_T_SXWORD`	`ELF64_FSZ_SXWORD`	`sizeof(Elf64_Sxword)`
`ELF_T_XWORD`	`ELF64_FSZ_XWORD`	`sizeof(Elf64_Xword)`

elf32_fsize and elf64_fsize return zero if the value of type or ver is unknown. See elf_xlate(3elf) for a list of the type values.

References

Intro(3elf), elf_version(3elf), elf_xlate(3elf)