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OPTIONALSYM							   OPTIONALSYM

NAME
     optionalsym - transform ELF symbols to optional symbols

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

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

SEE ALSO
     elfdump(1)

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