OPTIONALSYM							   OPTIONALSYM

NAME    [Toc]    [Back]

     optionalsym - transform ELF symbols to optional symbols

SYNOPSIS    [Toc]    [Back]

     optionalsym [-p] [-u updateto] [-v	selectname] [-y	symname] file ...

DESCRIPTION    [Toc]    [Back]

     The optionalsym command both reports on and sets the st_other field in an
     ELF symbol	table.

     It	was written to manipulate the STO_OPTIONAL value in the	st_other field
     of	the ELF	symbol table.  Thus the	name optionalsym.

     The optionalsym command accepts one or more of the	following options:

	  -p   prints information on selected symbols.	If -u is also
	       supplied, the symbol is printed before updating.

	  -v selectname
	       selects symbols with st_other having that value.	 For example,

		optionalsymbol -v STO_OPTIONAL -p t.o

	       prints all symbols marked STO_OPTIONAL.	Legal values for
	       selectname are any one of STO_DEFAULT , STO_INTERNAL ,
	       STO_HIDDEN , STO_PROTECTED , and	STO_OPTIONAL.  If multiple -v
	       are supplied only the last

	  -u updateto
	       updates the st_other field of the selected symbols to contain
	       the the updateto	value.	Legal values for updateto are any one
	       of STO_DEFAULT ,	STO_INTERNAL , STO_HIDDEN , STO_PROTECTED ,
	       and STO_OPTIONAL.  If multiple -u are supplied the last one's
	       updateto	is used	(the others are	silently ignored).  If -u is
	       not supplied then -p is assumed.

	  -y symname
	       selects a symbol	with the name symname.	If multiple -y options
	       are given each name in the set of names is selected.

FILES    [Toc]    [Back]

     /usr/bin/optionalsym
     /usr/include/elf.h
     /usr/include/sys/elf.h

SEE ALSO    [Toc]    [Back]

     elfdump(1)


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