1 .\" Copyright (c) 2011 Kai Wang
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25 .\" $Id: dwarf_add_AT_dataref.3 2072 2011-10-27 03:26:49Z jkoshy $
29 .Dt DWARF_ADD_AT_DATAREF 3
31 .Nm dwarf_add_AT_dataref
32 .Nd create an attribute descriptor for a relocatable address
37 .Ft "Dwarf_P_Attribute"
38 .Fo dwarf_add_AT_dataref
39 .Fa "Dwarf_P_Debug dbg"
42 .Fa "Dwarf_Unsigned pc_value"
43 .Fa "Dwarf_Unsigned sym_index"
44 .Fa "Dwarf_Error *err"
48 .Fn dwarf_add_AT_dataref
49 creates an attribute descriptor for a relocatable address and attaches
50 it to the debugging information entry referenced by argument
55 is set, the address value will be 8 bytes in size and of the DWARF form
57 Otherwise, the address value will be 4 bytes in size and of the DWARF form
62 should reference a DWARF producer instance allocated using
63 .Xr dwarf_producer_init 3
65 .Xr dwarf_producer_init_b 3 .
69 should reference a debugging information entry allocated using
74 specifies the attribute code of the created attribute descriptor.
78 specifies the value of the relocatable address.
82 specifies the ELF symbol index of the symbol to be used for
87 is not NULL, it will be used to store error information in case
91 .Fn dwarf_add_AT_dataref
92 returns the created attribute descriptor.
93 In case of an error, function
94 .Fn dwarf_add_AT_dataref
101 .Fn dwarf_add_AT_dataref
103 .Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
104 .It Bq Er DW_DLE_ARGUMENT
105 Either of the arguments
110 .It Bq Er DW_DLE_MEMORY
111 An out of memory condition was encountered during the execution of the
116 .Xr dwarf_add_AT_reference 3 ,
117 .Xr dwarf_add_AT_ref_address 3 ,
118 .Xr dwarf_add_AT_signed_const 3 ,
119 .Xr dwarf_add_AT_unsigned_const 3 ,
120 .Xr dwarf_new_die 3 ,
121 .Xr dwarf_producer_init 3 ,
122 .Xr dwarf_producer_init_b 3