xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_new_fde.3 (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
1.\" Copyright (c) 2011 Kai Wang
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25.\" $Id: dwarf_new_fde.3 3644 2018-10-15 19:55:01Z jkoshy $
26.\"
27.Dd September 24, 2011
28.Dt DWARF_NEW_FDE 3
29.Os
30.Sh NAME
31.Nm dwarf_new_fde
32.Nd allocate a DWARF frame descriptor
33.Sh LIBRARY
34.Lb libdwarf
35.Sh SYNOPSIS
36.In libdwarf.h
37.Ft "Dwarf_P_Fde"
38.Fo dwarf_new_fde
39.Fa "Dwarf_P_Debug dbg"
40.Fa "Dwarf_Error *err"
41.Fc
42.Sh DESCRIPTION
43Function
44.Fn dwarf_new_fde
45allocates a new DWARF frame descriptor.
46.Pp
47Argument
48.Ar dbg
49should reference a DWARF producer instance allocated using
50.Xr dwarf_producer_init 3
51or
52.Xr dwarf_producer_init_b 3 .
53.Pp
54If argument
55.Ar err
56is not NULL, it will be used to store error information in case of an
57error.
58.Sh RETURN VALUES
59On success, function
60.Fn dwarf_new_fde
61returns the newly created frame descriptor.
62In case of an error, function
63.Fn dwarf_new_fde
64returns
65.Dv DW_DLV_BADADDR
66and sets the argument
67.Ar err .
68.Sh ERRORS
69Function
70.Fn dwarf_new_fde
71can fail with:
72.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
73.It Bq Er DW_DLE_ARGUMENT
74Argument
75.Ar dbg
76was NULL.
77.It Bq Er DW_DLE_MEMORY
78An out of memory condition was encountered during the execution of the
79function.
80.El
81.Sh SEE ALSO
82.Xr dwarf 3 ,
83.Xr dwarf_add_fde_inst 3 ,
84.Xr dwarf_add_frame_cie 3 ,
85.Xr dwarf_add_frame_fde 3 ,
86.Xr dwarf_add_frame_fde_b 3 ,
87.Xr dwarf_fde_cfa_offset 3
88