Manual Pages for UNIX Operating System command usage for man elf32_newehdr

ELF Library Functions                         elf32_getehdr(3ELF)



NAME
     elf32_getehdr, elf32_newehdr, elf64_getehdr, elf64_newehdr -
     retrieve class-dependent object file header

SYNOPSIS
     cc [ flag ... ] file ... -lelf [ library ... ]
     #include 

     Elf32_Ehdr *elf32_getehdr(Elf *elf);


     Elf32_Ehdr *elf32_newehdr(Elf *elf);


     Elf64_Ehdr *elf64_getehdr(Elf *elf);


     Elf64_Ehdr *elf64_newehdr(Elf *elf);


DESCRIPTION
     For a 32-bit class file, elf32_getehdr() returns  a  pointer
     to an ELF header, if one is available for the ELF descriptor
     elf. If no header exists for the descriptor, elf32_newehdr()
     allocates  a clean one, but it otherwise behaves the same as
     elf32_getehdr(). It does not allocate a new  header  if  one
     exists already. If no header exists for elf32_getehdr(), one
     cannot  be  created  for  elf32_newehdr(),  a  system  error
     occurs, the file is not a 32-bit class file, or elf is NULL,
     both functions return a null pointer.


     For the 64-bit class, replace 32 with 64 as appropriate.


     The header includes the following members:

       unsigned char  e_ident[EI_NIDENT];
       Elf32_Half     e_type;
       Elf32_Half     e_machine;
       Elf32_Word     e_version;
       Elf32_Addr     e_entry;
       Elf32_Off      e_phoff;
       Elf32_Off      e_shoff;
       Elf32_Word     e_flags;
       Elf32_Half     e_ehsize;
       Elf32_Half     e_phentsize;
       Elf32_Half     e_phnum;
       Elf32_Half     e_shentsize;
       Elf32_Half     e_shnum;
       Elf32_Half     e_shstrndx;




SunOS 5.11          Last change: 19 Jun 2002                    1






ELF Library Functions                         elf32_getehdr(3ELF)



     The  elf32_newehdr()   function   automatically   sets   the
     ELF_F_DIRTY bit. See elf_flagdata(3ELF).


     An application can use elf_getident() to inspect  the  iden-
     tification bytes from a file.


     An application can use elf_getshnum() and  elf_getshstrndx()
     to  obtain  section header information. The location of this
     section header  information  differs  between  standard  ELF
     files to those that require Extended Sections.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO
     elf(3ELF),       elf_begin(3ELF),        elf_flagdata(3ELF),
     elf_getident(3ELF),                      elf_getshnum(3ELF),
     elf_getshstrndx(3ELF), libelf(3LIB), attributes(5)























SunOS 5.11          Last change: 19 Jun 2002                    2