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