1 /* $NetBSD: dwarf_pro_arange.c,v 1.3 2016/02/20 02:43:41 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Kai Wang 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "_libdwarf.h" 30 31 __RCSID("$NetBSD: dwarf_pro_arange.c,v 1.3 2016/02/20 02:43:41 christos Exp $"); 32 ELFTC_VCSID("Id: dwarf_pro_arange.c 2074 2011-10-27 03:34:33Z jkoshy "); 33 34 Dwarf_Unsigned 35 dwarf_add_arange(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length, 36 Dwarf_Signed symbol_index, Dwarf_Error *error) 37 { 38 39 return (dwarf_add_arange_b(dbg, start, length, symbol_index, 0, 0, 40 error)); 41 } 42 43 Dwarf_Unsigned 44 dwarf_add_arange_b(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length, 45 Dwarf_Unsigned symbol_index, Dwarf_Unsigned end_symbol_index, 46 Dwarf_Addr offset_from_end_symbol, Dwarf_Error *error) 47 { 48 Dwarf_ArangeSet as; 49 Dwarf_Arange ar; 50 51 if (dbg == NULL) { 52 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 53 return (0); 54 } 55 as = dbg->dbgp_as; 56 57 if (end_symbol_index > 0 && 58 (dbg->dbgp_flags & DW_DLC_SYMBOLIC_RELOCATIONS) == 0) { 59 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 60 return (0); 61 } 62 63 if ((ar = calloc(1, sizeof(struct _Dwarf_Arange))) == NULL) { 64 DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); 65 return (0); 66 } 67 ar->ar_as = as; 68 ar->ar_address = start; 69 ar->ar_range = length; 70 ar->ar_symndx = symbol_index; 71 ar->ar_esymndx = end_symbol_index; 72 ar->ar_eoff = offset_from_end_symbol; 73 STAILQ_INSERT_TAIL(&as->as_arlist, ar, ar_next); 74 75 return (1); 76 } 77