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Man Pages


Manual Reference Pages  -  ELF32_GETSHDR (3)

NAME

elf32_getshdr, elf64_getshdr, gelf_getshdr - retrieve the class-dependent section header

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also

LIBRARY


.Lb libelf

SYNOPSIS


.In libelf.h Elf32_Shdr * elf32_getshdr Elf_Scn *scn Elf64_Shdr * elf64_getshdr Elf_Scn *scn
.In gelf.h GElf_Shdr * gelf_getshdr Elf_Scn *scn GElf_Shdr *shdr

DESCRIPTION

These functions return a pointer to the ELF Section Header data structure associated with section descriptor scn.

Function elf32_getshdr retrieves a pointer to an
.Vt Elf32_Shdr structure. Section descriptor scn must be associated with an ELF descriptor of class ELFCLASS32.

Function elf64_getshdr retrieves a pointer to an
.Vt Elf64_Shdr structure. Section descriptor scn must be associated with an ELF descriptor of class ELFCLASS64.

Function gelf_getshdr copies the values in the section header associated with argument scn to the structure pointed to be argument dst. The
.Vt GElf_Shdr data structure is described in gelf(3).

RETURN VALUES

Functions elf32_getshdr and elf64_getshdr return a valid pointer to the appropriate section header on success or NULL if an error was encountered.

Function gelf_getshdr returns argument dst if successful, or NULL if an error was encountered.

ERRORS

These functions may fail with the following errors:
[ELF_E_ARGUMENT] Arguments scn or shdr were NULL.
[ELF_E_ARGUMENT] Argument scn was not associated a descriptor for an ELF object.
[ELF_E_CLASS] The ELF class associated with the section descriptor scn did not match the class expected by the API.

SEE ALSO

elf(3), elf_getscn(3), gelf(3), gelf_update_shdr(3)
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