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25 .\" $Id: dwarf_attr.3 3644 2018-10-15 19:55:01Z jkoshy $
32 .Nd retrieve an attribute descriptor associated with a DWARF debugging information entry
41 .Fa "Dwarf_Attribute *atp"
42 .Fa "Dwarf_Error *err"
47 retrieves the attribute descriptor for an attribute associated
48 with the DWARF debugging information entry descriptor in
52 DWARF attribute descriptors are represented by value of the opaque
60 names the desired DWARF attribute.
61 Legal values for argument
63 are those denoted by the
65 constants in the DWARF specification.
69 points to a location into which the returned attribute descriptor
71 The returned descriptor may then be passed to the form query functions in the
73 API set to access the data associated with the attribute.
77 is non-NULL, it will be used to return an error descriptor in case
86 If the debugging information entry descriptor denoted by argument
88 does not contain the named attribute, the function returns
92 For other errors, it returns
99 can fail with the following errors:
100 .Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
101 .It Bq Er DW_DLE_ARGUMENT
107 .It Bq Er DW_DLE_NO_ENTRY
110 had no attribute corresponding to the value
116 .Xr dwarf_attrlist 3 ,
117 .Xr dwarf_attroffset 3 ,
118 .Xr dwarf_hasattr 3 ,
119 .Xr dwarf_hasform 3 ,
120 .Xr dwarf_whatattr 3 ,