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Elf32_Shdr Struct Reference

ELF section header. More...

#include <ELF.h>

Public Attributes

Elf32_Word sh_name
 The section's name. Index into the section header string table section.
 
Elf32_Word sh_type
 Section type, describing the contents and semantics.
 
Elf32_Word sh_flags
 Section flags describing various attributes.
 
Elf32_Addr sh_addr
 The address at which the section will appear in the memory image, or 0.
 
Elf32_Off sh_offset
 Offset from beginning of the file to the first byte in the section.
 
Elf32_Word sh_size
 The section's size in bytes.
 
Elf32_Word sh_link
 Section header table link index. Interpretation depends on section type.
 
Elf32_Word sh_info
 Extra information about the section. Depends on section type.
 
Elf32_Word sh_addralign
 Address alignment constraint. Values are 0 and positive powers of 2.
 
Elf32_Word sh_entsize
 Size in bytes of section entries, or 0 if the section does not have fixed-size entries.
 

Detailed Description

ELF section header.

An object file's section header table lets one locate all the file's sections. The section header table is an array of Elf32_Shdr structures. A section header table index is a subscript into this array. The ELF header's Elf32_Ehdr::e_shoff member gives the byte offset from the beginning of the file to the section header table; Elf32_Ehdr::e_shnum tells how many entries the section header table contains; Elf32_Ehdr::e_shentsize gives the size in bytes of each entry.

Some section header table indexes are reserved. An object file will not have sections for these special indexes:

  • #SHN_UNDEF
  • #SHN_LORESERVE
  • #SHN_LOPROC
  • #SHN_HIPROC
  • #SHN_ABS
  • #SHN_COMMON
  • #SHN_HIRESERVE

Member Data Documentation

Elf32_Addr Elf32_Shdr::sh_addr

The address at which the section will appear in the memory image, or 0.

Elf32_Word Elf32_Shdr::sh_addralign

Address alignment constraint. Values are 0 and positive powers of 2.

Elf32_Word Elf32_Shdr::sh_entsize

Size in bytes of section entries, or 0 if the section does not have fixed-size entries.

Elf32_Word Elf32_Shdr::sh_flags

Section flags describing various attributes.

Elf32_Word Elf32_Shdr::sh_info

Extra information about the section. Depends on section type.

Elf32_Word Elf32_Shdr::sh_link

Section header table link index. Interpretation depends on section type.

Elf32_Word Elf32_Shdr::sh_name

The section's name. Index into the section header string table section.

Elf32_Off Elf32_Shdr::sh_offset

Offset from beginning of the file to the first byte in the section.

Elf32_Word Elf32_Shdr::sh_size

The section's size in bytes.

Elf32_Word Elf32_Shdr::sh_type

Section type, describing the contents and semantics.

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