12de3b87aSKai Wang.\" Copyright (c) 2011 Kai Wang 22de3b87aSKai Wang.\" All rights reserved. 32de3b87aSKai Wang.\" 42de3b87aSKai Wang.\" Redistribution and use in source and binary forms, with or without 52de3b87aSKai Wang.\" modification, are permitted provided that the following conditions 62de3b87aSKai Wang.\" are met: 72de3b87aSKai Wang.\" 1. Redistributions of source code must retain the above copyright 82de3b87aSKai Wang.\" notice, this list of conditions and the following disclaimer. 92de3b87aSKai Wang.\" 2. Redistributions in binary form must reproduce the above copyright 102de3b87aSKai Wang.\" notice, this list of conditions and the following disclaimer in the 112de3b87aSKai Wang.\" documentation and/or other materials provided with the distribution. 122de3b87aSKai Wang.\" 132de3b87aSKai Wang.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 142de3b87aSKai Wang.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 152de3b87aSKai Wang.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 162de3b87aSKai Wang.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 172de3b87aSKai Wang.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 182de3b87aSKai Wang.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 192de3b87aSKai Wang.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 202de3b87aSKai Wang.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 212de3b87aSKai Wang.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 222de3b87aSKai Wang.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 232de3b87aSKai Wang.\" SUCH DAMAGE. 242de3b87aSKai Wang.\" 25*ae500c1fSEd Maste.\" $Id: dwarf_get_cu_die_offset.3 3640 2018-10-14 14:09:13Z jkoshy $ 262de3b87aSKai Wang.\" 272de3b87aSKai Wang.Dd April 10, 2011 282de3b87aSKai Wang.Dt DWARF_GET_CU_DIE_OFFSET 3 29*ae500c1fSEd Maste.Os 302de3b87aSKai Wang.Sh NAME 312de3b87aSKai Wang.Nm dwarf_get_arange_cu_header_offset , 322de3b87aSKai Wang.Nm dwarf_get_cu_die_offset 332de3b87aSKai Wang.Nd retrieve compilation unit offsets 342de3b87aSKai Wang.Sh LIBRARY 352de3b87aSKai Wang.Lb libdwarf 362de3b87aSKai Wang.Sh SYNOPSIS 372de3b87aSKai Wang.In libdwarf.h 382de3b87aSKai Wang.Ft int 392de3b87aSKai Wang.Fo dwarf_get_arange_cu_header_offset 402de3b87aSKai Wang.Fa "Dwarf_Arange ar" 412de3b87aSKai Wang.Fa "Dwarf_Off *ret" 422de3b87aSKai Wang.Fa "Dwarf_Error *err" 432de3b87aSKai Wang.Fc 442de3b87aSKai Wang.Ft int 452de3b87aSKai Wang.Fo dwarf_get_cu_die_offset 462de3b87aSKai Wang.Fa "Dwarf_Arange ar" 472de3b87aSKai Wang.Fa "Dwarf_Off *ret" 482de3b87aSKai Wang.Fa "Dwarf_Error *err" 492de3b87aSKai Wang.Fc 502de3b87aSKai Wang.Sh DESCRIPTION 512de3b87aSKai WangThese functions retrieve the offsets, relative to the 522de3b87aSKai Wang.Dq ".debug_info" 532de3b87aSKai WangDWARF section, of the debugging information entries describing the 542de3b87aSKai Wangcompilation unit associated with a 552de3b87aSKai Wang.Vt Dwarf_Arange 562de3b87aSKai Wangdescriptor. 572de3b87aSKai Wang.Pp 582de3b87aSKai WangFunction 592de3b87aSKai Wang.Fn dwarf_get_arange_cu_header_offset 602de3b87aSKai Wangretrieves the offset of the compilation unit header associated with 612de3b87aSKai Wangargument 622de3b87aSKai Wang.Ar ar , 632de3b87aSKai Wangand stores it in the location pointed to by argument 642de3b87aSKai Wang.Ar ret . 652de3b87aSKai Wang.Pp 662de3b87aSKai WangFunction 672de3b87aSKai Wang.Fn dwarf_get_cu_die_offset 682de3b87aSKai Wangretrieves the offset of the debugging information entry for the 692de3b87aSKai Wangcompilation unit associated with argument 702de3b87aSKai Wang.Ar ar , 712de3b87aSKai Wangand stores it in the location pointed to by argument 722de3b87aSKai Wang.Ar ret . 732de3b87aSKai Wang.Pp 742de3b87aSKai WangIf argument 752de3b87aSKai Wang.Ar err 762de3b87aSKai Wangis not NULL, these functions will use it to store error information, 772de3b87aSKai Wangin case of an error. 782de3b87aSKai Wang.Sh RETURN VALUES 792de3b87aSKai WangOn success, these functions returns 802de3b87aSKai Wang.Dv DW_DLV_OK . 812de3b87aSKai WangIn case of an error, they return 822de3b87aSKai Wang.Dv DW_DLV_ERROR 832de3b87aSKai Wangand set the argument 842de3b87aSKai Wang.Ar err . 852de3b87aSKai Wang.Sh ERRORS 862de3b87aSKai WangThese functions may fail with: 872de3b87aSKai Wang.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT" 882de3b87aSKai Wang.It Bq Er DW_DLE_ARGUMENT 892de3b87aSKai WangArgument 902de3b87aSKai Wang.Ar ar 912de3b87aSKai Wangwas not a valid 922de3b87aSKai Wang.Vt Dwarf_Arange 932de3b87aSKai Wangdescriptor. 942de3b87aSKai Wang.It Bq Er DW_DLE_ARGUMENT 952de3b87aSKai WangArgument 962de3b87aSKai Wang.Ar ret 972de3b87aSKai Wangwas NULL. 982de3b87aSKai Wang.El 992de3b87aSKai Wang.Sh SEE ALSO 1002de3b87aSKai Wang.Xr dwarf 3 , 1012de3b87aSKai Wang.Xr dwarf_get_arange 3 , 1022de3b87aSKai Wang.Xr dwarf_get_arange_info 3 , 1032de3b87aSKai Wang.Xr dwarf_get_aranges 3 104