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

  • BSD mandoc
     

    NAME

    elf32_getehdr
    
     
    elf64_getehdr
    
     
    gelf_getehdr
    
     - retrieve the object file header
    
     
    

    LIBRARY

    Lb libelf
    
     
    

    SYNOPSIS

       #include <libelf.h>
    Elf32_Ehdr * elf32_getehdr (Elf *elf);
    Elf64_Ehdr * elf64_getehdr (Elf *elf);
       #include <gelf.h>
    GElf_Ehdr * gelf_getehdr (Elf *elf GElf_Ehdr *dst);
     

    DESCRIPTION

    These functions retrieve the ELF object file header from the ELF descriptor elf and return a translated header descriptor to their callers.

    Functions elf32_getehdr ();
    and elf64_getehdr ();
    return a pointer to the appropriate class-specific header descriptor if it exists in the file referenced by descriptor elf These functions return NULL if an ELF header was not found in file elf

    Function gelf_getehdr ();
    stores a translated copy of the header for ELF file elf into the descriptor pointed to by argument dst It returns argument dst if successful or NULL in case of failure.  

    RETURN VALUES

    These functions return a pointer to a translated header descriptor if successful, or NULL on failure.  

    ERRORS

    These functions can fail with the following errors:

    Bq Er ELF_E_ARGUMENT
    The argument elf was null.
    Bq Er ELF_E_ARGUMENT
    Argument elf was not a descriptor for an ELF file.
    Bq Er ELF_E_ARGUMENT
    The elf class of descriptor elf was not recognized.
    Bq Er ELF_E_ARGUMENT
    Argument dst was null.
    Bq Er ELF_E_CLASS
    The ELF class of descriptor elf did not match that of the API function being called.
    Bq Er ELF_E_HEADER
    ELF descriptor elf does not have an associated header.
    Bq Er ELF_E_RESOURCE
    An out of memory condition was detected during execution.
    Bq Er ELF_E_SECTION
    The ELF descriptor in argument elf did not adhere to the conventions used for extended numbering.
    Bq Er ELF_E_VERSION
    The ELF descriptor elf had an unsupported ELF version number.

     

    SEE ALSO

    elf(3), elf32_newehdr3, elf64_newehdr3, elf_flagehdr3, elf_getident3, gelf(3), gelf_newehdr3, elf(5)


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    SEE ALSO


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