xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_get_cie_of_fde.3 (revision ae500c1ff8974130f7f2692772cf288b90349e0d)
12de3b87aSKai Wang.\" Copyright (c) 2011 Kai Wang
22de3b87aSKai Wang.\" All rights reserved.
32de3b87aSKai Wang.\"
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72de3b87aSKai Wang.\" 1. Redistributions of source code must retain the above copyright
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92de3b87aSKai Wang.\" 2. Redistributions in binary form must reproduce the above copyright
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152de3b87aSKai Wang.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
162de3b87aSKai Wang.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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222de3b87aSKai Wang.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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25*ae500c1fSEd Maste.\" $Id: dwarf_get_cie_of_fde.3 3644 2018-10-15 19:55:01Z jkoshy $
262de3b87aSKai Wang.\"
272de3b87aSKai Wang.Dd May 22, 2011
282de3b87aSKai Wang.Dt DWARF_GET_CIE_OF_FDE 3
29*ae500c1fSEd Maste.Os
302de3b87aSKai Wang.Sh NAME
312de3b87aSKai Wang.Nm dwarf_get_cie_of_fde
322de3b87aSKai Wang.Nd retrieve CIE descriptor
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_get_cie_of_fde
392de3b87aSKai Wang.Fa "Dwarf_Fde fde"
402de3b87aSKai Wang.Fa "Dwarf_Cie *ret_cie"
412de3b87aSKai Wang.Fa "Dwarf_Error *err"
422de3b87aSKai Wang.Fc
432de3b87aSKai Wang.Sh DESCRIPTION
442de3b87aSKai WangFunction
452de3b87aSKai Wang.Fn dwarf_get_cie_of_fde
462de3b87aSKai Wangretrieves the CIE descriptor associated with a given FDE descriptor.
472de3b87aSKai Wang.Pp
482de3b87aSKai WangArgument
492de3b87aSKai Wang.Ar fde
502de3b87aSKai Wangshould reference a valid FDE descriptor.
512de3b87aSKai Wang.Pp
522de3b87aSKai WangArgument
532de3b87aSKai Wang.Ar ret_cie
542de3b87aSKai Wangshould point to a location that will hold the returned CIE
552de3b87aSKai Wangdescriptor.
562de3b87aSKai Wang.Pp
572de3b87aSKai WangIf argument
582de3b87aSKai Wang.Ar err
592de3b87aSKai Wangis not NULL, it will be used to store error information in case of an
602de3b87aSKai Wangerror.
612de3b87aSKai Wang.Sh RETURN VALUES
622de3b87aSKai WangFunction
632de3b87aSKai Wang.Fn dwarf_get_cie_of_fde
642de3b87aSKai Wangreturns
652de3b87aSKai Wang.Dv DW_DLV_OK
662de3b87aSKai Wangwhen it succeeds.
672de3b87aSKai WangIn case of an error, it returns
682de3b87aSKai Wang.Dv DW_DLV_ERROR
692de3b87aSKai Wangand sets the argument
702de3b87aSKai Wang.Ar err .
712de3b87aSKai Wang.Sh ERRORS
722de3b87aSKai WangFunction
732de3b87aSKai Wang.Fn dwarf_get_cie_of_fde
742de3b87aSKai Wangcan fail with:
752de3b87aSKai Wang.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
762de3b87aSKai Wang.It Bq Er DW_DLE_ARGUMENT
772de3b87aSKai WangEither of arugments
782de3b87aSKai Wang.Ar fde
792de3b87aSKai Wangor
802de3b87aSKai Wang.Ar ret_cie
812de3b87aSKai Wangwas NULL.
822de3b87aSKai Wang.El
832de3b87aSKai Wang.Sh SEE ALSO
842de3b87aSKai Wang.Xr dwarf 3 ,
852de3b87aSKai Wang.Xr dwarf_get_cie_index 3 ,
86*ae500c1fSEd Maste.Xr dwarf_get_cie_info 3 ,
872de3b87aSKai Wang.Xr dwarf_get_fde_at_pc 3 ,
882de3b87aSKai Wang.Xr dwarf_get_fde_n 3
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