gelf_getchdr - Man Page

retrieve the class-independent compression header for an ELF section with compressed data.

Synopsis

#include <gelf.h>

GElf_Chdr *gelf_getchdr (Elf_Scn *scn, GElf_Chdr *dest);

Description

Retrieve the class-independent compression header for section scn with compressed data and store it in dest. Sections with compressed data are indicated with the SHF_COMPRESSED flag.  See libelf(3) for more information regarding the compression header.

Parameters

scn

Section whose compression header will be retrieved. The section's SHF_COMPRESSED flag must be set.

dest

Pointer to a caller-provided GElf_Chdr structure that will receive the class-independent compression header for scn.

Return Value

On success, this function returns dest. On failure, it returns NULL and sets elf_errno.  If scn is NULL, then NULL is returned and elf_errno is not set.

See Also

elf32_getchdr(3), elf64_getchdr(3), elf_compress(3), libelf(3), elf(5)

Attributes

InterfaceAttributeValue
gelf_getchdr()Thread safetyMT-Safe

Reporting Bugs

Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/.

History

gelf_getchdr first appeared in elfutils 0.165.

Info

2025-12-27 Libelf Programmer's Manual