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GELF_GETDYN(3)			   BSD Library Functions Manual 		   GELF_GETDYN(3)

     gelf_getdyn, gelf_update_dyn -- read and update ELF dynamic entries

     library ``libelf''

     #include <gelf.h>

     GElf_Dyn *
     gelf_getdyn(Elf_Data *data, int ndx, GElf_Dyn *dyn);

     gelf_update_dyn(Elf_Data *data, int ndx, GElf_Dyn *dyn);

     These convenience functions are used to retrieve and update class-dependent Elf32_Dyn or
     Elf64_Dyn information in the dynamic table of an ELF object.

     Argument data is an Elf_Data descriptor associated with a section of type SHT_DYNAMIC.
     Argument ndx is the index of the entry being retrieved or updated.  The class-independent
     GElf_Dyn structure is described in gelf(3).

     Function gelf_getdyn() retrieves the class-dependent entry at index ndx in data buffer data
     and copies it to the destination pointed to by argument dyn after translation to class-inde-
     pendent form.

     Function gelf_update_dyn() converts the class-independent entry pointed to by argument dyn
     to class-dependent form, and writes it to the entry at index ndx in the data buffer
     described by argument data.  Function gelf_update_dyn() signals an error if any of the val-
     ues in the class-independent representation exceeds the representable limits of the target

     Function gelf_getdyn() returns the value of argument dyn if successful, or NULL in case of
     an error.	Function gelf_update_dyn() returns a non-zero value if successful, or zero in
     case of an error.

     These functions may fail with the following errors:

     [ELF_E_ARGUMENT]  Arguments data or dyn were NULL.

     [ELF_E_ARGUMENT]  Argument ndx was less than zero or larger than the number of entries in
		       the data descriptor.

     [ELF_E_ARGUMENT]  Data descriptor data was not associated with a section of type

     [ELF_E_RANGE]     A value was not representable in the target type.

     elf(3), elf_getdata(3), elf_getscn(3), gelf(3)

BSD					 August 29, 2006				      BSD
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