xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_whatattr.3 (revision ae500c1ff8974130f7f2692772cf288b90349e0d)
12de3b87aSKai Wang.\" Copyright (c) 2010 Joseph Koshy
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32de3b87aSKai Wang.\"
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25*ae500c1fSEd Maste.\" $Id: dwarf_whatattr.3 3640 2018-10-14 14:09:13Z jkoshy $
262de3b87aSKai Wang.\"
272de3b87aSKai Wang.Dd May 22, 2010
282de3b87aSKai Wang.Dt DWARF_WHATATTR 3
29*ae500c1fSEd Maste.Os
302de3b87aSKai Wang.Sh NAME
312de3b87aSKai Wang.Nm dwarf_whatattr
322de3b87aSKai Wang.Nd retrieve the attribute code for a DWARF attribute
332de3b87aSKai Wang.Sh LIBRARY
342de3b87aSKai Wang.Lb libdwarf
352de3b87aSKai Wang.Sh SYNOPSIS
362de3b87aSKai Wang.In libdwarf.h
372de3b87aSKai Wang.Ft int
382de3b87aSKai Wang.Fo dwarf_whatattr
392de3b87aSKai Wang.Fa "Dwarf_Attribute attr"
402de3b87aSKai Wang.Fa "Dwarf_Half *retcode"
412de3b87aSKai Wang.Fa "Dwarf_Error *err"
422de3b87aSKai Wang.Fc
432de3b87aSKai Wang.Sh DESCRIPTION
442de3b87aSKai WangFunction
452de3b87aSKai Wang.Fn dwarf_whatattr
462de3b87aSKai Wangretrieves the attribute code for the DWARF attribute referenced
472de3b87aSKai Wangby argument
482de3b87aSKai Wang.Ar attr ,
492de3b87aSKai Wangand writes it to the location pointed to by argument
502de3b87aSKai Wang.Ar retcode .
512de3b87aSKai WangIf argument
522de3b87aSKai Wang.Ar err
532de3b87aSKai Wangis not NULL, it will be used to return an error descriptor in case
542de3b87aSKai Wangof an error.
552de3b87aSKai Wang.Sh RETURN VALUES
562de3b87aSKai WangOn success, function
572de3b87aSKai Wang.Fn dwarf_whatattr
582de3b87aSKai Wangreturns
592de3b87aSKai Wang.Dv DW_DLV_OK .
602de3b87aSKai WangIn case of an error, it returns
612de3b87aSKai Wang.Dv DW_DLV_ERROR
622de3b87aSKai Wangand sets argument
632de3b87aSKai Wang.Ar err .
642de3b87aSKai Wang.Sh ERRORS
652de3b87aSKai WangFunction
662de3b87aSKai Wang.Fn dwarf_whatattr
672de3b87aSKai Wangcan fail with the following error:
682de3b87aSKai Wang.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
692de3b87aSKai Wang.It Bq Er DW_DLE_ARGUMENT
702de3b87aSKai WangEither of argument
712de3b87aSKai Wang.Va attr
722de3b87aSKai Wangor
732de3b87aSKai Wang.Va retcode
742de3b87aSKai Wangwas NULL.
75df7f007fSBaptiste Daroussin.El
762de3b87aSKai Wang.Sh SEE ALSO
772de3b87aSKai Wang.Xr dwarf 3 ,
782de3b87aSKai Wang.Xr dwarf_attr 3 ,
792de3b87aSKai Wang.Xr dwarf_hasattr 3
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