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GELF_UPDATE_EHDR(3)        Library Functions Manual        GELF_UPDATE_EHDR(3)

NAME
     gelf_update_ehdr, gelf_update_phdr, gelf_update_shdr -- update underlying
     ELF data structures

LIBRARY
     ELF Access Library (libelf, -lelf)

SYNOPSIS
     #include <&lt;gelf.h>&gt;

     int
     gelf_update_ehdr(Elf *elf, GElf_Ehdr *ehdr);

     int
     gelf_update_phdr(Elf *elf, int ndx, GElf_Phdr *phdr);

     int
     gelf_update_shdr(Elf_Scn *scn, GElf_Shdr *shdr);

DESCRIPTION
     These functions are used to update ELF data structures on the underlying
     ELF descriptor.  Class-dependent data structures in the underlying ELF
     descriptor are updated using the data in the class-independent GElf
     descriptors and the underlying ELF data structures are marked ``dirty''.
     The conversion process signals an error if the values being copied to the
     target ELF data structure would exceed representation limits.  GElf
     descriptors are described in gelf(3).

     Function gelf_update_ehdr() updates the ELF Executable Header with the
     values in the class-independent executable header ehdr.

     Function gelf_update_phdr() updates the ELF Program Header structure at
     index ndx with the values in the class-independent program header phdr.

     Function gelf_update_shdr() updates the ELF Section Header structure
     associated with section descriptor scn with the values in argument shdr.

RETURN VALUES
     These functions return a non-zero integer on success, or zero in case of
     an error.

ERRORS
     These functions may fail with the following errors:

     [ELF_E_ARGUMENT]  Arguments elf, ehdr, phdr, scn, or shdr were NULL.

     [ELF_E_ARGUMENT]  Argument elf was not a descriptor for an ELF object.

     [ELF_E_ARGUMENT]  Argument elf had an unsupported ELF class.

     [ELF_E_ARGUMENT]  Argument ndx exceeded the number of entries in the
                       program header table.

     [ELF_E_ARGUMENT]  Section descriptor scn was not associated with an ELF
                       descriptor.

     [ELF_E_MODE]      ELF descriptor elf was not opened for writing or
                       updating.

     [ELF_E_RESOURCE]  An out of memory condition was detected.

SEE ALSO
     elf(3), elf_flagelf(3), elf_flagphdr(3), elf_flagshdr(3), gelf(3),
     gelf_getehdr(3), gelf_getphdr(3), gelf_getshdr(3)

NetBSD 6.1.5                    August 27, 2006                   NetBSD 6.1.5