1.\" Copyright (c) 2014 Kai Wang 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: dwarf_get_section_max_offsets.3 3098 2014-09-02 22:18:29Z kaiwang27 $ 26.\" 27.Dd July 27, 2014 28.Os 29.Dt DWARF_GET_SECTION_MAX_OFFSETS 30.Sh NAME 31.Nm dwarf_get_section_max_offsets , 32.Nm dwarf_get_section_max_offsets_b 33.Nd return the size of DWARF sections 34.Sh LIBRARY 35.Lb libdwarf 36.Sh SYNOPSIS 37.In libdwarf.h 38.Ft int 39.Fo dwarf_get_section_max_offsets 40.Fa "Dwarf_Debug dbg" 41.Fa "Dwarf_Unsigned *debug_info" 42.Fa "Dwarf_Unsigned *debug_abbrev" 43.Fa "Dwarf_Unsigned *debug_line" 44.Fa "Dwarf_Unsigned *debug_loc" 45.Fa "Dwarf_Unsigned *debug_aranges" 46.Fa "Dwarf_Unsigned *debug_macinfo" 47.Fa "Dwarf_Unsigned *debug_pubnames" 48.Fa "Dwarf_Unsigned *debug_str" 49.Fa "Dwarf_Unsigned *debug_frame" 50.Fa "Dwarf_Unsigned *debug_ranges" 51.Fa "Dwarf_Unsigned *debug_pubtypes" 52.Fc 53.Ft int 54.Fo dwarf_get_section_max_offsets_b 55.Fa "Dwarf_Debug dbg" 56.Fa "Dwarf_Unsigned *debug_info" 57.Fa "Dwarf_Unsigned *debug_abbrev" 58.Fa "Dwarf_Unsigned *debug_line" 59.Fa "Dwarf_Unsigned *debug_loc" 60.Fa "Dwarf_Unsigned *debug_aranges" 61.Fa "Dwarf_Unsigned *debug_macinfo" 62.Fa "Dwarf_Unsigned *debug_pubnames" 63.Fa "Dwarf_Unsigned *debug_str" 64.Fa "Dwarf_Unsigned *debug_frame" 65.Fa "Dwarf_Unsigned *debug_ranges" 66.Fa "Dwarf_Unsigned *debug_pubtypes" 67.Fa "Dwarf_Unsigned *debug_types" 68.Fc 69.Sh DESCRIPTION 70Function 71.Fn dwarf_get_section_max_offsets_b 72retrieves the sizes of the DWARF sections in a DWARF debug context. 73Argument 74.Ar dbg 75should reference a DWARF debug context allocated using 76.Xr dwarf_init 3 . 77The function stores the size of each DWARF section to the location 78pointed to by the argument corresponding to the section name. 79If a DWARF section does not exist, the location pointed to by the 80argument corresponding to that section will be set to zero. 81.Pp 82A value of NULL may be used for any of the arguments 83.Ar debug_info , 84.Ar debug_abbrev , 85.Ar debug_line , 86.Ar debug_loc , 87.Ar debug_aranges , 88.Ar debug_macinfo , 89.Ar debug_pubnames , 90.Ar debug_str , 91.Ar debug_frame , 92.Ar debug_ranges , 93.Ar debug_pubtypes 94and 95.Ar debug_types 96if the caller is not interested in the respective section size. 97.Pp 98Function 99.Fn dwarf_get_section_max_offsets 100is identical to function 101.Fn dwarf_get_section_max_offsets_b 102except that it does not provide argument 103.Ar debug_types , 104thus it can not retrieve the size of the 105.Dq \&.debug_types 106section. 107.Sh RETURN VALUES 108On success, these functions return 109.Dv DW_DLV_OK . 110If argument 111.Ar dbg 112is NULL, they return 113.Dv DW_DLV_ERROR . 114.Sh SEE ALSO 115.Xr dwarf 3 , 116.Xr dwarf_init 3 117