DWARF_ADD_AT_DATAREF(3) | Library Functions Manual | DWARF_ADD_AT_DATAREF(3) |
dwarf_add_AT_dataref
—
#include <libdwarf.h>
Dwarf_P_Attribute
dwarf_add_AT_dataref
(Dwarf_P_Debug
dbg, Dwarf_P_Die die, Dwarf_Half
attr, Dwarf_Unsigned pc_value,
Dwarf_Unsigned sym_index, Dwarf_Error
*err);
dwarf_add_AT_dataref
() creates an attribute
descriptor for a relocatable address and attaches it to the debugging
information entry referenced by argument die.
If flag DW_DLC_SIZE_64
is set, the address
value will be 8 bytes in size and of the DWARF form
DW_FORM_data8
. Otherwise, the address value will be
4 bytes in size and of the DWARF form
DW_FORM_data4
.
Argument dbg should reference a DWARF producer instance allocated using dwarf_producer_init(3) or dwarf_producer_init_b(3).
Argument die should reference a debugging information entry allocated using dwarf_new_die(3).
Argument attr specifies the attribute code of the created attribute descriptor.
Argument pc_value specifies the value of the relocatable address.
Argument sym_index specifies the ELF symbol index of the symbol to be used for relocation.
If argument err is not NULL, it will be used to store error information in case of an error.
dwarf_add_AT_dataref
() returns the
created attribute descriptor. In case of an error, function
dwarf_add_AT_dataref
() returns
DW_DLV_BADADDR
and sets the argument
err.
dwarf_add_AT_dataref
() can fail with:
DW_DLE_ARGUMENT
]DW_DLE_MEMORY
]September 4, 2011 | NetBSD 9.2 |