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Man Pages
GELF_GETSHDR(3) FreeBSD Library Functions Manual GELF_GETSHDR(3)

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

ELF Access Library (libelf, -lelf)

#include <libelf.h>

Elf32_Shdr *
elf32_getshdr(Elf_Scn *scn);

Elf64_Shdr *
elf64_getshdr(Elf_Scn *scn);

#include <gelf.h>

GElf_Shdr *
gelf_getshdr(Elf_Scn *scn, GElf_Shdr *shdr);

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 Elf32_Shdr structure. Section descriptor scn must be associated with an ELF descriptor of class ELFCLASS32.

Function elf64_getshdr() retrieves a pointer to an 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 GElf_Shdr data structure is described in gelf(3).

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.

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

elf(3), elf_getscn(3), gelf(3), gelf_update_shdr(3)
August 27, 2006 FreeBSD 13.1-RELEASE

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