xref: /freebsd/contrib/elftoolchain/libdwarf/dwarf_start_macro_file.3 (revision 2de3b87a120614a3b053be7dd845b72f1e9ce804)
1*2de3b87aSKai Wang.\" Copyright (c) 2011 Kai Wang
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25*2de3b87aSKai Wang.\" $Id: dwarf_start_macro_file.3 2075 2011-10-27 03:47:28Z jkoshy $
26*2de3b87aSKai Wang.\"
27*2de3b87aSKai Wang.Dd September 25, 2011
28*2de3b87aSKai Wang.Os
29*2de3b87aSKai Wang.Dt DWARF_START_MACRO_FILE 3
30*2de3b87aSKai Wang.Sh NAME
31*2de3b87aSKai Wang.Nm dwarf_start_macro_file
32*2de3b87aSKai Wang.Nd mark the start of a source file inclusion
33*2de3b87aSKai Wang.Sh LIBRARY
34*2de3b87aSKai Wang.Lb libdwarf
35*2de3b87aSKai Wang.Sh SYNOPSIS
36*2de3b87aSKai Wang.In libdwarf.h
37*2de3b87aSKai Wang.Ft "int"
38*2de3b87aSKai Wang.Fo dwarf_start_macro_file
39*2de3b87aSKai Wang.Fa "Dwarf_P_Debug dbg"
40*2de3b87aSKai Wang.Fa "Dwarf_Unsigned lineno"
41*2de3b87aSKai Wang.Fa "Dwarf_Unsigned fileindex"
42*2de3b87aSKai Wang.Fa "Dwarf_Error *err"
43*2de3b87aSKai Wang.Fa
44*2de3b87aSKai Wang.Fc
45*2de3b87aSKai Wang.Sh DESCRIPTION
46*2de3b87aSKai WangFunction
47*2de3b87aSKai Wang.Fn dwarf_start_macro_file
48*2de3b87aSKai Wangmarks the start of a new source file inclusion.
49*2de3b87aSKai Wang.Pp
50*2de3b87aSKai WangArgument
51*2de3b87aSKai Wang.Ar dbg
52*2de3b87aSKai Wangshould reference a DWARF producer instance allocated using
53*2de3b87aSKai Wang.Xr dwarf_producer_init 3
54*2de3b87aSKai Wangor
55*2de3b87aSKai Wang.Xr dwarf_producer_init_b 3 .
56*2de3b87aSKai Wang.Pp
57*2de3b87aSKai WangArgument
58*2de3b87aSKai Wang.Ar lineno
59*2de3b87aSKai Wangspecifies the line number of the source line where the source
60*2de3b87aSKai Wangfile inclusion occurs.
61*2de3b87aSKai WangA value of zero is used to indicate the file for the compilation unit
62*2de3b87aSKai Wangsource itself.
63*2de3b87aSKai Wang.Pp
64*2de3b87aSKai WangArgument
65*2de3b87aSKai Wang.Ar fileindex
66*2de3b87aSKai Wangspecifies the index of the source file that is being included.
67*2de3b87aSKai WangValid source file indices are those returned by
68*2de3b87aSKai Wang.Xr dwarf_add_file_decl 3 .
69*2de3b87aSKai Wang.Pp
70*2de3b87aSKai WangIf argument
71*2de3b87aSKai Wang.Ar err
72*2de3b87aSKai Wangis not NULL, it will be used to store error information in case of an
73*2de3b87aSKai Wangerror.
74*2de3b87aSKai Wang.Sh RETURN VALUES
75*2de3b87aSKai WangOn success, function
76*2de3b87aSKai Wang.Fn dwarf_start_macro_file
77*2de3b87aSKai Wangreturns
78*2de3b87aSKai Wang.Dv DW_DLV_OK .
79*2de3b87aSKai WangIn case of an error, function
80*2de3b87aSKai Wang.Fn dwarf_start_macro_file
81*2de3b87aSKai Wangreturns
82*2de3b87aSKai Wang.Dv DW_DLV_ERROR
83*2de3b87aSKai Wangand sets the argument
84*2de3b87aSKai Wang.Ar err .
85*2de3b87aSKai Wang.Sh ERRORS
86*2de3b87aSKai WangFunction
87*2de3b87aSKai Wang.Fn dwarf_start_macro_file
88*2de3b87aSKai Wangcan fail with:
89*2de3b87aSKai Wang.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
90*2de3b87aSKai Wang.It Bq Er DW_DLE_ARGUMENT
91*2de3b87aSKai WangArgument
92*2de3b87aSKai Wang.Ar dbg
93*2de3b87aSKai Wangwas NULL.
94*2de3b87aSKai Wang.It Bq Er DW_DLE_MEMORY
95*2de3b87aSKai WangAn out of memory condition was encountered during the execution of the
96*2de3b87aSKai Wangfunction.
97*2de3b87aSKai Wang.El
98*2de3b87aSKai Wang.Sh SEE ALSO
99*2de3b87aSKai Wang.Xr dwarf 3 ,
100*2de3b87aSKai Wang.Xr dwarf_add_file_decl 3 ,
101*2de3b87aSKai Wang.Xr dwarf_def_macro 3 ,
102*2de3b87aSKai Wang.Xr dwarf_end_macro_file 3 ,
103*2de3b87aSKai Wang.Xr dwarf_producer_init 3 ,
104*2de3b87aSKai Wang.Xr dwarf_producer_init_b 3 ,
105*2de3b87aSKai Wang.Xr dwarf_undef_macro 3 ,
106*2de3b87aSKai Wang.Xr dwarf_vendor_ext 3
107