xref: /netbsd-src/external/bsd/elftoolchain/dist/libdwarf/dwarf_lne_end_sequence.3 (revision 5ac3bc719ce6e70593039505b491894133237d12)
1.\"	$NetBSD: dwarf_lne_end_sequence.3,v 1.6 2024/03/03 17:37:31 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
8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright
10.\"    notice, this list of conditions and the following disclaimer.
11.\" 2. Redistributions in binary form must reproduce the above copyright
12.\"    notice, this list of conditions and the following disclaimer in the
13.\"    documentation and/or other materials provided with the distribution.
14.\"
15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25.\" SUCH DAMAGE.
26.\"
27.\" Id: dwarf_lne_end_sequence.3 3963 2022-03-12 16:07:32Z jkoshy
28.\"
29.Dd September 15, 2011
30.Dt DWARF_LNE_END_SEQUENCE 3
31.Os
32.Sh NAME
33.Nm dwarf_lne_end_sequence
34.Nd set the end of instruction sequence
35.Sh LIBRARY
36.Lb libdwarf
37.Sh SYNOPSIS
38.In libdwarf.h
39.Ft "Dwarf_Unsigned"
40.Fo dwarf_lne_end_sequence
41.Fa "Dwarf_P_Debug dbg"
42.Fa "Dwarf_Addr addr"
43.Fa "Dwarf_Error *err"
44.Fc
45.Sh DESCRIPTION
46Function
47.Fn dwarf_lne_end_sequence
48sets the address that indicates the end of a sequence of target machine
49instructions.
50.Pp
51Argument
52.Fa dbg
53should reference a DWARF producer instance allocated using
54.Xr dwarf_producer_init 3
55or
56.Xr dwarf_producer_init_b 3 .
57.Pp
58Argument
59.Fa addr
60specifies an address value which is the first byte after the end of a
61instruction sequence.
62.Pp
63If argument
64.Fa err
65is not
66.Dv NULL ,
67it will be used to store error information in case of an error.
68.Sh RETURN VALUES
69On success, function
70.Fn dwarf_lne_end_sequence
71returns
72.Dv DW_DLV_OK .
73In case of an error, function
74.Fn dwarf_lne_end_sequence
75returns
76.Dv DW_DLV_NOCOUNT
77and sets the argument
78.Fa err .
79.Sh ERRORS
80Function
81.Fn dwarf_lne_end_sequence
82can fail with:
83.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
84.It Bq Er DW_DLE_ARGUMENT
85Argument
86.Fa dbg
87was
88.Dv NULL .
89.It Bq Er DW_DLE_ARGUMENT
90The value in argument
91.Fa addr
92overlapped an existing line information entry.
93.It Bq Er DW_DLE_MEMORY
94An out of memory condition was encountered during the execution of the
95function.
96.El
97.Sh SEE ALSO
98.Xr dwarf 3 ,
99.Xr dwarf_add_directory_decl 3 ,
100.Xr dwarf_add_file_decl 3 ,
101.Xr dwarf_add_line_entry 3 ,
102.Xr dwarf_lne_set_address 3 ,
103.Xr dwarf_producer_init 3 ,
104.Xr dwarf_producer_init_b 3
105