xref: /minix3/external/bsd/elftoolchain/dist/libdwarf/dwarf_new_fde.3 (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1.\"	$NetBSD: dwarf_new_fde.3,v 1.2 2014/03/09 16:58:04 christos Exp $
2.\"
3.\" Copyright (c) 2011 Kai Wang
4.\" All rights reserved.
5.\"
6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions
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9.\" 1. Redistributions of source code must retain the above copyright
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15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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27.\" Id: dwarf_new_fde.3 2074 2011-10-27 03:34:33Z jkoshy
28.\"
29.Dd September 24, 2011
30.Os
31.Dt DWARF_NEW_FDE 3
32.Sh NAME
33.Nm dwarf_new_fde
34.Nd allocate a DWARF frame descriptor
35.Sh LIBRARY
36.Lb libdwarf
37.Sh SYNOPSIS
38.In libdwarf.h
39.Ft "Dwarf_P_Fde"
40.Fo dwarf_new_fde
41.Fa "Dwarf_P_Debug dbg"
42.Fa "Dwarf_Error *err"
43.Fc
44.Sh DESCRIPTION
45Function
46.Fn dwarf_new_fde
47allocates a new DWARF frame descriptor.
48.Pp
49Argument
50.Ar dbg
51should reference a DWARF producer instance allocated using
52.Xr dwarf_producer_init 3
53or
54.Xr dwarf_producer_init_b 3 .
55.Pp
56If argument
57.Ar err
58is not NULL, it will be used to store error information in case of an
59error.
60.Sh RETURN VALUES
61On success, function
62.Fn dwarf_new_fde
63returns the newly created frame descriptor.
64In case of an error, function
65.Fn dwarf_new_fde
66returns
67.Dv DW_DLV_BADADDR
68and sets the argument
69.Ar err .
70.Sh ERRORS
71Function
72.Fn dwarf_new_fde
73can fail with:
74.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
75.It Bq Er DW_DLE_ARGUMENT
76Argument
77.Ar dbg
78was NULL.
79.It Bq Er DW_DLE_MEMORY
80An out of memory condition was encountered during the execution of the
81function.
82.El
83.Sh SEE ALSO
84.Xr dwarf 3 ,
85.Xr dwarf_add_fde_inst 3 ,
86.Xr dwarf_add_frame_fde 3 ,
87.Xr dwarf_add_frame_fde_b 3 ,
88.Xr dwarf_add_frame_cie 3 ,
89.Xr dwarf_fde_cfa_offset 3
90