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GELF_UPDATE_EHDR(3)		   BSD Library Functions Manual 	      GELF_UPDATE_EHDR(3)

     gelf_update_ehdr, gelf_update_phdr, gelf_update_shdr -- update underlying ELF data struc-

     library ``libelf''

     #include <gelf.h>

     gelf_update_ehdr(Elf *elf, GElf_Ehdr *ehdr);

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

     gelf_update_shdr(Elf_Scn *scn, GElf_Shdr *shdr);

     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

     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.

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

     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.

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

BSD					 August 27, 2006				      BSD
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