plucky (3) elf32_checksum.3.gz

Provided by: libelf-dev_0.192-4_amd64 bug

NAME
       elf32_checksum, elf64_checksum - compute the checksum for a 32-bit or 64-bit ELF object file


SYNOPSIS
       #include <libelf.h>

       long int elf32_checksum(Elf *elf);
       long int elf64_checksum(Elf *elf);


DESCRIPTION
       Compute  a  checksum for the ELF object file referred to by elf.  The checksum is computed from permanent
       parts of the ELF file and the result is repeatable.   To  be  repeatable,  strippable  sections  are  not
       included  in  computing  the  checksum.   SHT_NOBITS  sections  are  also not included when computing the
       checksum.  The checksum can be used as a value for DT_CHECKSUM.


PARAMETERS
       elf    The ELF object file for which the checksum is to be computed.


RETURN VALUE
       On success, return the computed checksum. If an error occurs, return -1 and set a libelf error code.  The
       checksum  is  always  calculated as a 4-byte value. If long int is larger than 4 bytes, then the checksum
       will be extended by padding with zeros.


SEE ALSO
       elf_errno(3), libelf(3), elf(5)


ATTRIBUTES
       For an explanation of the terms used in this section, see attributes(7).

       ┌──────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
       │Interface                                                                     │ Attribute     │ Value   │
       ├──────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
       │elf32_checksum(), elf64_checksum()                                            │ Thread safety │ MT-Safe │
       └──────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘


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