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.