1 .\" Copyright (c) 2014 Kai Wang
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25 .\" $Id: dwarf_next_types_section.3 3116 2014-12-20 18:26:55Z jkoshy $
29 .Dt DWARF_NEXT_TYPES_SECTION 3
31 .Nm dwarf_next_types_section
32 .Nd step through .debug_types sections in a debug context
38 .Fo dwarf_next_types_section
40 .Fa "Dwarf_Error *err"
44 .Fn dwarf_next_types_section
47 sections found in a debug context.
51 should reference a DWARF debug context allocated using
55 should point to a location that will hold an error descriptor in case
58 When a DWARF debug context is allocated using
60 an internal pointer associated with the context will point to the
63 section present in the debug object.
64 When the application calls function
65 .Fn dwarf_next_types_section ,
66 this internal pointer will move to the next
69 On stepping past the last
71 section left in the debug context, function
72 .Fn dwarf_next_types_section
75 The next call to the function will restart from the first
77 section in the debug context.
79 Application code should call function
80 .Xr dwarf_next_cu_header_c 3
81 to iterate though the type units associated with the current
86 .Fn dwarf_next_types_section
90 In case of an error, it returns
94 When there are no more
96 sections left to traverse, it returns
99 This function is an extension to the
104 .Fn dwarf_next_types_section
105 function may fail with the following errors:
106 .Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
107 .It Bq Er DW_DLE_ARGUMENT
113 To iterate though every type unit in all the
115 sections found in a debug context:
116 .Bd -literal -offset indent
119 Dwarf_Unsigned typeoff;
122 \&... allocate dbg using dwarf_init() etc ...
125 while ((ret = dwarf_next_cu_header_c(dbg, 0, NULL, NULL, NULL,
126 NULL, NULL, NULL, &sig8, &typeoff, NULL, &de)) == DW_DLV_OK) {
127 /* Access DIEs etc ... */
129 } while (dwarf_next_types_section(dbg, &de) == DW_DLV_OK);
134 .Xr dwarf_next_cu_header_c 3