gelf_update_lib - Man Page

Update prelink library in table at the given index

Synopsis

#include <gelf.h>

int gelf_update_lib (Elf_Data *data, int ndx, GElf_Lib *src);

Description

Copy a class-independent prelink library table entry from src into the SHT_GNU_LIBLIST. section associated with data at index ndx.

data must be an Elf_Data* associated with a section of type SHT_GNU_LIBLIST. data->d_type should be ELF_T_LIB. SHT_GNU_LIBLIST sections are used by the prelink utility.  See https://sourceware.org/gnu-gabi/prelink.txt for more information.

Parameters

data

Pointer to an Elf_Data associated with a section with type SHT_GNU_LIBLIST. data->d_type should be ELF_T_LIB.

ndx

Zero-based index of the prelink library table entry to be updated within data.

src

Pointer to a caller-provided prelink library table entry. src must not be NULL.

Return Value

On success, this function returns a non-zero value and updates the prelink library table entry at index ndx in data. The section associated with data is flagged with ELF_F_DIRTY. On failure, zero is returned and elf_errno is set.  If data is NULL, then zero is returned and elf_errno is not set.

See Also

gelf_getlib(3), libelf(3), elf(5)

Attributes

InterfaceAttributeValue
gelf_update_lib()Thread safetyMT-Safe

Reporting Bugs

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

History

gelf_update_lib first appeared in elfutils 0.95. This function is an elfutils libelf extension and may not be available in other libelf implementations.

Referenced By

gelf_getlib(3).

2025-12-31 Libelf Programmer's Manual