ELF32_CHECKSUM(3ELF) ELF Library Functions ELF32_CHECKSUM(3ELF)


NAME


elf32_checksum, elf64_checksum - return checksum of elf image

SYNOPSIS


cc [ flag ... ] file ... -lelf [ library ... ]
#include <libelf.h>

long elf32_checksum(Elf *elf);


long elf64_checksum(Elf *elf);


DESCRIPTION


The elf32_checksum() function returns a simple checksum of selected
sections of the image identified by elf. The value is typically used as
the .dynamic tag DT_CHECKSUM, recorded in dynamic executables and shared
objects.


Selected sections of the image are used to calcluate the checksum in
order that its value is not affected by utilities such as strip(1).


For the 64-bit class, replace 32 with 64 as appropriate.

ATTRIBUTES


See attributes(5) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Stable |
+--------------------+-----------------+
|MT-Level | MT-Safe |
+--------------------+-----------------+

SEE ALSO


elf(3ELF), elf_version(3ELF), gelf(3ELF), libelf(3LIB), attributes(5)


July 11, 2001 ELF32_CHECKSUM(3ELF)