1*2de3b87aSKai Wang /*- 2*2de3b87aSKai Wang * Copyright (c) 2009,2011 Kai Wang 3*2de3b87aSKai Wang * All rights reserved. 4*2de3b87aSKai Wang * 5*2de3b87aSKai Wang * Redistribution and use in source and binary forms, with or without 6*2de3b87aSKai Wang * modification, are permitted provided that the following conditions 7*2de3b87aSKai Wang * are met: 8*2de3b87aSKai Wang * 1. Redistributions of source code must retain the above copyright 9*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer. 10*2de3b87aSKai Wang * 2. Redistributions in binary form must reproduce the above copyright 11*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer in the 12*2de3b87aSKai Wang * documentation and/or other materials provided with the distribution. 13*2de3b87aSKai Wang * 14*2de3b87aSKai Wang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*2de3b87aSKai Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*2de3b87aSKai Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*2de3b87aSKai Wang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*2de3b87aSKai Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*2de3b87aSKai Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*2de3b87aSKai Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*2de3b87aSKai Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*2de3b87aSKai Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*2de3b87aSKai Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*2de3b87aSKai Wang * SUCH DAMAGE. 25*2de3b87aSKai Wang */ 26*2de3b87aSKai Wang 27*2de3b87aSKai Wang #include "_libdwarf.h" 28*2de3b87aSKai Wang 29*2de3b87aSKai Wang ELFTC_VCSID("$Id: dwarf_ranges.c 2075 2011-10-27 03:47:28Z jkoshy $"); 30*2de3b87aSKai Wang 31*2de3b87aSKai Wang static int 32*2de3b87aSKai Wang _dwarf_get_ranges(Dwarf_Debug dbg, Dwarf_CU cu, Dwarf_Off off, 33*2de3b87aSKai Wang Dwarf_Ranges **ranges, Dwarf_Signed *ret_cnt, Dwarf_Unsigned *ret_byte_cnt, 34*2de3b87aSKai Wang Dwarf_Error *error) 35*2de3b87aSKai Wang { 36*2de3b87aSKai Wang Dwarf_Rangelist rl; 37*2de3b87aSKai Wang int ret; 38*2de3b87aSKai Wang 39*2de3b87aSKai Wang assert(cu != NULL); 40*2de3b87aSKai Wang if (_dwarf_ranges_find(dbg, off, &rl) == DW_DLE_NO_ENTRY) { 41*2de3b87aSKai Wang ret = _dwarf_ranges_add(dbg, cu, off, &rl, error); 42*2de3b87aSKai Wang if (ret != DW_DLE_NONE) 43*2de3b87aSKai Wang return (DW_DLV_ERROR); 44*2de3b87aSKai Wang } 45*2de3b87aSKai Wang 46*2de3b87aSKai Wang *ranges = rl->rl_rgarray; 47*2de3b87aSKai Wang *ret_cnt = rl->rl_rglen; 48*2de3b87aSKai Wang 49*2de3b87aSKai Wang if (ret_byte_cnt != NULL) 50*2de3b87aSKai Wang *ret_byte_cnt = cu->cu_pointer_size * rl->rl_rglen * 2; 51*2de3b87aSKai Wang 52*2de3b87aSKai Wang return (DW_DLV_OK); 53*2de3b87aSKai Wang } 54*2de3b87aSKai Wang 55*2de3b87aSKai Wang int 56*2de3b87aSKai Wang dwarf_get_ranges(Dwarf_Debug dbg, Dwarf_Off offset, Dwarf_Ranges **ranges, 57*2de3b87aSKai Wang Dwarf_Signed *ret_cnt, Dwarf_Unsigned *ret_byte_cnt, Dwarf_Error *error) 58*2de3b87aSKai Wang { 59*2de3b87aSKai Wang 60*2de3b87aSKai Wang if (dbg == NULL || ranges == NULL || ret_cnt == NULL) { 61*2de3b87aSKai Wang DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 62*2de3b87aSKai Wang return (DW_DLV_ERROR); 63*2de3b87aSKai Wang } 64*2de3b87aSKai Wang 65*2de3b87aSKai Wang if (!dbg->dbg_info_loaded) { 66*2de3b87aSKai Wang if (_dwarf_info_load(dbg, 1, error) != DW_DLE_NONE) 67*2de3b87aSKai Wang return (DW_DLV_ERROR); 68*2de3b87aSKai Wang } 69*2de3b87aSKai Wang 70*2de3b87aSKai Wang return (_dwarf_get_ranges(dbg, STAILQ_FIRST(&dbg->dbg_cu), offset, 71*2de3b87aSKai Wang ranges, ret_cnt, ret_byte_cnt, error)); 72*2de3b87aSKai Wang } 73*2de3b87aSKai Wang 74*2de3b87aSKai Wang int 75*2de3b87aSKai Wang dwarf_get_ranges_a(Dwarf_Debug dbg, Dwarf_Off offset, Dwarf_Die die, 76*2de3b87aSKai Wang Dwarf_Ranges **ranges, Dwarf_Signed *ret_cnt, Dwarf_Unsigned *ret_byte_cnt, 77*2de3b87aSKai Wang Dwarf_Error *error) 78*2de3b87aSKai Wang { 79*2de3b87aSKai Wang 80*2de3b87aSKai Wang if (dbg == NULL || die == NULL || ranges == NULL || ret_cnt == NULL) { 81*2de3b87aSKai Wang DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 82*2de3b87aSKai Wang return (DW_DLV_ERROR); 83*2de3b87aSKai Wang } 84*2de3b87aSKai Wang 85*2de3b87aSKai Wang return (_dwarf_get_ranges(dbg, die->die_cu, offset, ranges, ret_cnt, 86*2de3b87aSKai Wang ret_byte_cnt, error)); 87*2de3b87aSKai Wang } 88