elf_getphdrnum(3)

elf_getphdrnum3

Return the number of program headers in an elf file

Usage

#include <libelf.h>

int

elf_getphdrnum(Elf *elf, size_t *phnum);

Library

library “libelf”

Overview

Function elf_getphdrnum() retrieves the number of ELF program headers associated with descriptor elf and stores it into the location pointed to by argument phnum.

This routine allows applications to uniformly process both normal ELF objects and ELF objects that use extended numbering.

Return values

Function elf_getphdrnum() returns a zero value if successful, or -1 in case of an error.

Errors

Function elf_getphdrnum() can fail with the following errors:

[ELF_E_ARGUMENT]

A NULL value was passed in for argument elf.

[ELF_E_ARGUMENT]

Argument elf was not for an ELF file.

[ELF_E_ARGUMENT]

Argument elf lacks an ELF Executable Header.

[ELF_E_HEADER]

The ELF Executable Header associated with argument elf was corrupt.

[ELF_E_SECTION]

The section header at index SHN_UNDEF was corrupt.

Releases

38 releases since FreeBSD 7.4-RELEASE; the text changed 14 times.

  1. 7.4
  2. 8.2
  3. 8.3
  4. 8.4
  5. 9.0
  6. 9.1
  7. 9.2
  8. 9.3
  9. 10.0
  10. 10.1
  11. 10.2
  12. 10.3
  13. 10.4
  14. 11.0–12.0
  15. 12.1–16.0

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.