1 .\" Copyright (c) 2011 Kai Wang
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25 .\" $Id: dwarf_undef_macro.3 2122 2011-11-09 15:35:14Z jkoshy $
29 .Dt DWARF_UNDEF_MACRO 3
32 .Nd record the removal of a macro definition
39 .Fa "Dwarf_P_Debug dbg"
40 .Fa "Dwarf_Unsigned lineno"
42 .Fa "Dwarf_Error *err"
47 records the removal of a macro definition in a DWARF producer
52 should reference a DWARF producer instance allocated using
53 .Xr dwarf_producer_init 3
55 .Xr dwarf_producer_init_b 3 .
59 specifies the line number of the source line where the macro
60 definition was removed.
61 A value of zero indicates that the macro definition was removed before
62 any source files were read.
66 should point to a NUL-terminated string containing the name
71 is not NULL, it will be used to store error information in case of an
78 In case of an error, function
85 To record the fact that the macro named
87 was removed at line 220 of the current macro file, use:
88 .Bd -literal -offset indent
92 /* ... Assume 'dbg' refers to a DWARF producer instance... */
93 if (dwarf_undef_macro(dbg, 220, "_STDIO_H_", &de) != DW_DLV_OK)
94 errx(EXIT_FAILURE, "dwarf_def_macro failed: %s",
101 .Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
102 .It Bq Er DW_DLE_ARGUMENT
108 .It Bq Er DW_DLE_MEMORY
109 An out of memory condition was encountered during the execution of the
114 .Xr dwarf_def_macro 3 ,
115 .Xr dwarf_end_macro_file 3 ,
116 .Xr dwarf_producer_init 3 ,
117 .Xr dwarf_producer_init_b 3 ,
118 .Xr dwarf_start_macro_file 3 ,
119 .Xr dwarf_vendor_ext 3