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gelf_update_ehdr (3)
  • >> gelf_update_ehdr (3) ( FreeBSD man: Библиотечные вызовы )

  • BSD mandoc
     

    NAME

    gelf_update_ehdr
    
     
    gelf_update_phdr
    
     
    gelf_update_shdr
    
     - update underlying ELF data structures
    
     
    

    LIBRARY

    Lb libelf
    
     
    

    SYNOPSIS

       #include <gelf.h>
    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:

    Bq Er ELF_E_ARGUMENT
    Arguments elf ehdr phdr scn or shdr were NULL.
    Bq Er ELF_E_ARGUMENT
    Argument elf was not a descriptor for an ELF object.
    Bq Er ELF_E_ARGUMENT
    Argument elf had an unsupported ELF class.
    Bq Er ELF_E_ARGUMENT
    Argument ndx exceeded the number of entries in the program header table.
    Bq Er ELF_E_ARGUMENT
    Section descriptor scn was not associated with an ELF descriptor.
    Bq Er ELF_E_MODE
    ELF descriptor elf was not opened for writing or updating.
    Bq Er ELF_E_RESOURCE
    An out of memory condition was detected.

     

    SEE ALSO

    elf(3), elf_flagelf3, elf_flagphdr3, elf_flagshdr3, gelf(3), gelf_getehdr3, gelf_getphdr3, gelf_getshdr3


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    SEE ALSO


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