xref: /minix3/external/bsd/elftoolchain/dist/libdwarf/dwarf_start_macro_file.3 (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc.\"	$NetBSD: dwarf_start_macro_file.3,v 1.2 2014/03/09 16:58:04 christos Exp $
2*0a6a1f1dSLionel Sambuc.\"
3*0a6a1f1dSLionel Sambuc.\" Copyright (c) 2011 Kai Wang
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27*0a6a1f1dSLionel Sambuc.\" Id: dwarf_start_macro_file.3 2075 2011-10-27 03:47:28Z jkoshy
28*0a6a1f1dSLionel Sambuc.\"
29*0a6a1f1dSLionel Sambuc.Dd September 25, 2011
30*0a6a1f1dSLionel Sambuc.Os
31*0a6a1f1dSLionel Sambuc.Dt DWARF_START_MACRO_FILE 3
32*0a6a1f1dSLionel Sambuc.Sh NAME
33*0a6a1f1dSLionel Sambuc.Nm dwarf_start_macro_file
34*0a6a1f1dSLionel Sambuc.Nd mark the start of a source file inclusion
35*0a6a1f1dSLionel Sambuc.Sh LIBRARY
36*0a6a1f1dSLionel Sambuc.Lb libdwarf
37*0a6a1f1dSLionel Sambuc.Sh SYNOPSIS
38*0a6a1f1dSLionel Sambuc.In libdwarf.h
39*0a6a1f1dSLionel Sambuc.Ft "int"
40*0a6a1f1dSLionel Sambuc.Fo dwarf_start_macro_file
41*0a6a1f1dSLionel Sambuc.Fa "Dwarf_P_Debug dbg"
42*0a6a1f1dSLionel Sambuc.Fa "Dwarf_Unsigned lineno"
43*0a6a1f1dSLionel Sambuc.Fa "Dwarf_Unsigned fileindex"
44*0a6a1f1dSLionel Sambuc.Fa "Dwarf_Error *err"
45*0a6a1f1dSLionel Sambuc.Fa
46*0a6a1f1dSLionel Sambuc.Fc
47*0a6a1f1dSLionel Sambuc.Sh DESCRIPTION
48*0a6a1f1dSLionel SambucFunction
49*0a6a1f1dSLionel Sambuc.Fn dwarf_start_macro_file
50*0a6a1f1dSLionel Sambucmarks the start of a new source file inclusion.
51*0a6a1f1dSLionel Sambuc.Pp
52*0a6a1f1dSLionel SambucArgument
53*0a6a1f1dSLionel Sambuc.Ar dbg
54*0a6a1f1dSLionel Sambucshould reference a DWARF producer instance allocated using
55*0a6a1f1dSLionel Sambuc.Xr dwarf_producer_init 3
56*0a6a1f1dSLionel Sambucor
57*0a6a1f1dSLionel Sambuc.Xr dwarf_producer_init_b 3 .
58*0a6a1f1dSLionel Sambuc.Pp
59*0a6a1f1dSLionel SambucArgument
60*0a6a1f1dSLionel Sambuc.Ar lineno
61*0a6a1f1dSLionel Sambucspecifies the line number of the source line where the source
62*0a6a1f1dSLionel Sambucfile inclusion occurs.
63*0a6a1f1dSLionel SambucA value of zero is used to indicate the file for the compilation unit
64*0a6a1f1dSLionel Sambucsource itself.
65*0a6a1f1dSLionel Sambuc.Pp
66*0a6a1f1dSLionel SambucArgument
67*0a6a1f1dSLionel Sambuc.Ar fileindex
68*0a6a1f1dSLionel Sambucspecifies the index of the source file that is being included.
69*0a6a1f1dSLionel SambucValid source file indices are those returned by
70*0a6a1f1dSLionel Sambuc.Xr dwarf_add_file_decl 3 .
71*0a6a1f1dSLionel Sambuc.Pp
72*0a6a1f1dSLionel SambucIf argument
73*0a6a1f1dSLionel Sambuc.Ar err
74*0a6a1f1dSLionel Sambucis not NULL, it will be used to store error information in case of an
75*0a6a1f1dSLionel Sambucerror.
76*0a6a1f1dSLionel Sambuc.Sh RETURN VALUES
77*0a6a1f1dSLionel SambucOn success, function
78*0a6a1f1dSLionel Sambuc.Fn dwarf_start_macro_file
79*0a6a1f1dSLionel Sambucreturns
80*0a6a1f1dSLionel Sambuc.Dv DW_DLV_OK .
81*0a6a1f1dSLionel SambucIn case of an error, function
82*0a6a1f1dSLionel Sambuc.Fn dwarf_start_macro_file
83*0a6a1f1dSLionel Sambucreturns
84*0a6a1f1dSLionel Sambuc.Dv DW_DLV_ERROR
85*0a6a1f1dSLionel Sambucand sets the argument
86*0a6a1f1dSLionel Sambuc.Ar err .
87*0a6a1f1dSLionel Sambuc.Sh ERRORS
88*0a6a1f1dSLionel SambucFunction
89*0a6a1f1dSLionel Sambuc.Fn dwarf_start_macro_file
90*0a6a1f1dSLionel Sambuccan fail with:
91*0a6a1f1dSLionel Sambuc.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
92*0a6a1f1dSLionel Sambuc.It Bq Er DW_DLE_ARGUMENT
93*0a6a1f1dSLionel SambucArgument
94*0a6a1f1dSLionel Sambuc.Ar dbg
95*0a6a1f1dSLionel Sambucwas NULL.
96*0a6a1f1dSLionel Sambuc.It Bq Er DW_DLE_MEMORY
97*0a6a1f1dSLionel SambucAn out of memory condition was encountered during the execution of the
98*0a6a1f1dSLionel Sambucfunction.
99*0a6a1f1dSLionel Sambuc.El
100*0a6a1f1dSLionel Sambuc.Sh SEE ALSO
101*0a6a1f1dSLionel Sambuc.Xr dwarf 3 ,
102*0a6a1f1dSLionel Sambuc.Xr dwarf_add_file_decl 3 ,
103*0a6a1f1dSLionel Sambuc.Xr dwarf_def_macro 3 ,
104*0a6a1f1dSLionel Sambuc.Xr dwarf_end_macro_file 3 ,
105*0a6a1f1dSLionel Sambuc.Xr dwarf_producer_init 3 ,
106*0a6a1f1dSLionel Sambuc.Xr dwarf_producer_init_b 3 ,
107*0a6a1f1dSLionel Sambuc.Xr dwarf_undef_macro 3 ,
108*0a6a1f1dSLionel Sambuc.Xr dwarf_vendor_ext 3
109