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elf32_getehdr(3ELF)					       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 <libelf.h>

       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  allo-
       cate 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;

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

       An application can use elf_getident() to inspect the identification 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 attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Stable			   |
       +-----------------------------+-----------------------------+
       |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 5.10							    19 Jun 2002 					       elf32_getehdr(3ELF)