xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_get_cie_of_fde.3 (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1.\" Copyright (c) 2011 Kai Wang
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25.\" $Id: dwarf_get_cie_of_fde.3 2071 2011-10-27 03:20:00Z jkoshy $
26.\"
27.Dd May 22, 2011
28.Os
29.Dt DWARF_GET_CIE_OF_FDE 3
30.Sh NAME
31.Nm dwarf_get_cie_of_fde
32.Nd retrieve CIE descriptor
33.Sh LIBRARY
34.Lb libdwarf
35.Sh SYNOPSIS
36.In libdwarf.h
37.Ft int
38.Fo dwarf_get_cie_of_fde
39.Fa "Dwarf_Fde fde"
40.Fa "Dwarf_Cie *ret_cie"
41.Fa "Dwarf_Error *err"
42.Fc
43.Sh DESCRIPTION
44Function
45.Fn dwarf_get_cie_of_fde
46retrieves the CIE descriptor associated with a given FDE descriptor.
47.Pp
48Argument
49.Ar fde
50should reference a valid FDE descriptor.
51.Pp
52Argument
53.Ar ret_cie
54should point to a location that will hold the returned CIE
55descriptor.
56.Pp
57If argument
58.Ar err
59is not NULL, it will be used to store error information in case of an
60error.
61.Sh RETURN VALUES
62Function
63.Fn dwarf_get_cie_of_fde
64returns
65.Dv DW_DLV_OK
66when it succeeds.
67In case of an error, it returns
68.Dv DW_DLV_ERROR
69and sets the argument
70.Ar err .
71.Sh ERRORS
72Function
73.Fn dwarf_get_cie_of_fde
74can fail with:
75.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
76.It Bq Er DW_DLE_ARGUMENT
77Either of arugments
78.Ar fde
79or
80.Ar ret_cie
81was NULL.
82.El
83.Sh SEE ALSO
84.Xr dwarf 3 ,
85.Xr dwarf_get_cie_info 3 ,
86.Xr dwarf_get_cie_index 3 ,
87.Xr dwarf_get_fde_at_pc 3 ,
88.Xr dwarf_get_fde_n 3
89