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NetBSD 6.1.5 - man page for elf64_getphdr (netbsd section 3)

GELF_GETPHDR(3) 		   BSD Library Functions Manual 		  GELF_GETPHDR(3)

NAME
     elf32_getphdr, elf64_getphdr, gelf_getphdr -- retrieve an ELF program header table

LIBRARY
     library ``libelf''

SYNOPSIS
     #include <libelf.h>

     Elf32_Phdr *
     elf32_getphdr(Elf *elf);

     Elf64_Phdr *
     elf64_getphdr(Elf *elf);

     #include <gelf.h>

     GElf_Phdr *
     gelf_getphdr(Elf *elf, int index, GElf_Phdr *dst);

DESCRIPTION
     These functions retrieve and translate ELF program header information from an ELF descrip-
     tor, if this information exists.

     Functions elf32_getphdr() and elf64_getphdr() return a pointer to an array of translated
     Elf32_Phdr and Elf64_Phdr descriptors respectively.  These descriptors are described in
     elf(5).  The number of entries in this array may be determined using the elf_getphnum(3)
     function.

     Function gelf_getphdr() will retrieve the program header table entry at index index from ELF
     descriptor elf. The translated program header table entry will be written to the address
     pointed to be argument dst.

     Applications may inform the library of modifications to a program header table entry by
     using the elf_flagphdr(3) API.  Applications using the gelf(3) interface need to use the
     gelf_update_phdr(3) API to copy modifications to a program header entry back to the underly-
     ing ELF descriptor.

RETURN VALUES
     The functions a valid pointer if successful, or NULL in case an error was encountered.

ERRORS
     These functions may fail with the following errors:

     [ELF_E_ARGUMENT]  Argument elf was NULL.

     [ELF_E_ARGUMENT]  Argument elf was not a descriptor for an ELF object.

     [ELF_E_ARGUMENT]  Argument dst was NULL.

     [ELF_E_ARGUMENT]  Index index was out of range.

     [ELF_E_CLASS]     The class of ELF descriptor elf did not match the expected class of the
		       function being called.

     [ELF_E_HEADER]    ELF descriptor elf did not possess an executable header.

     [ELF_E_HEADER]    ELF descriptor elf had a corrupt executable header.

     [ELF_E_RESOURCE]  An out of memory condition was detected.

     [ELF_E_SECTION]   The ELF descriptor in argument elf did not adhere to the conventions used
		       for extended numbering.

     [ELF_VERSION]     ELF descriptor elf was of an unsupported version.

SEE ALSO
     elf(3), elf32_getehdr(3), elf32_newphdr(3), elf64_getehdr(3), elf64_newphdr(3),
     elf_flagphdr(3), elf_getphnum(3), gelf(3), gelf_getehdr(3), gelf_newphdr(3),
     gelf_update_phdr(3), elf(5)

BSD					 October 21, 2007				      BSD


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