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GELF_GETSYM(3)			   BSD Library Functions Manual 		   GELF_GETSYM(3)

     gelf_getsym, gelf_update_sym -- read and update symbol information

     library ``libelf''

     #include <gelf.h>

     GElf_Sym *
     gelf_getsym(Elf_Data *data, int ndx, GElf_Sym *sym);

     gelf_update_sym(Elf_Data *data, int ndx, GElf_Sym *sym);

     These convenience functions are used to retrieve and update class-dependent Elf32_Sym and
     Elf64_Sym structures in an ELF object.

     Argument data is an Elf_Data descriptor associated with a section of type SHT_SYMTAB,
     SHT_DYNSYM or SHT_GNU_versym.  Argument ndx is the index of the symbol being retrieved or
     updated.  The class-independent GElf_Sym structure is described in gelf(3).

     Function gelf_getsym() retrieves class-dependent symbol information at index ndx in data
     buffer data and copies it to the destination pointed to by argument sym after translation to
     class-independent form.

     Function gelf_update_sym() converts the class-independent symbol information pointed to by
     argument sym to class-dependent form, and writes it to the symbol entry at index ndx in the
     data buffer described by argument data.  Function gelf_update_sym() signals an error if any
     of the values in the class-independent representation exceeds the representable limits of
     the target type.

     Function gelf_getsym() returns the value of argument sym if successful, or NULL in case of
     an error.	Function gelf_update_sym() 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 sym were NULL.

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

     [ELF_E_ARGUMENT]  Data descriptor data was not associated with a section containing symbol

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

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

BSD					 August 29, 2006				      BSD
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