Проект OpenNet: MAN gelf_getshdr (3) Библиотечные вызовы (FreeBSD и Linux)

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gelf_getshdr (3)

>> gelf_getshdr (3) ( FreeBSD man: Библиотечные вызовы )

BSD mandoc

NAME

elf32_getshdr

 
elf64_getshdr

 
gelf_getshdr

 - retrieve the class-dependent section header

LIBRARY

Lb libelf

SYNOPSIS

#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);

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:

Bq Er ELF_E_ARGUMENT: Arguments scn or shdr were NULL.
Bq Er ELF_E_ARGUMENT: Argument scn was not associated a descriptor for an ELF object.
Bq Er ELF_E_CLASS: The ELF class associated with the section descriptor scn did not match the class expected by the API.

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Created 1996-2024 by Maxim Chirkov
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