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Man Pages
DWARF_GET_CU_DIE_OFFSET(3) FreeBSD Library Functions Manual DWARF_GET_CU_DIE_OFFSET(3)

dwarf_get_arange_cu_header_offset, dwarf_get_cu_die_offset
retrieve compilation unit offsets

DWARF Access Library (libdwarf, -ldwarf)

#include <libdwarf.h>

int
dwarf_get_arange_cu_header_offset(Dwarf_Arange ar, Dwarf_Off *ret, Dwarf_Error *err);

int
dwarf_get_cu_die_offset(Dwarf_Arange ar, Dwarf_Off *ret, Dwarf_Error *err);

These functions retrieve the offsets, relative to the “.debug_info” DWARF section, of the debugging information entries describing the compilation unit associated with a Dwarf_Arange descriptor.

Function dwarf_get_arange_cu_header_offset() retrieves the offset of the compilation unit header associated with argument ar, and stores it in the location pointed to by argument ret.

Function dwarf_get_cu_die_offset() retrieves the offset of the debugging information entry for the compilation unit associated with argument ar, and stores it in the location pointed to by argument ret.

If argument err is not NULL, these functions will use it to store error information, in case of an error.

On success, these functions returns DW_DLV_OK. In case of an error, they return DW_DLV_ERROR and set the argument err.

These functions may fail with:
[]
Argument ar was not a valid Dwarf_Arange descriptor.
[]
Argument ret was NULL.

dwarf(3), dwarf_get_arange(3), dwarf_get_arange_info(3), dwarf_get_aranges(3)
April 10, 2011 FreeBSD 13.1-RELEASE

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