1 /* $NetBSD: dwarf_pro_sections.c,v 1.2 2014/03/09 16:58:04 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_sections.c,v 1.2 2014/03/09 16:58:04 christos Exp $"); 32 ELFTC_VCSID("Id: dwarf_pro_sections.c 2074 2011-10-27 03:34:33Z jkoshy "); 33 34 Dwarf_Signed 35 dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error) 36 { 37 38 if (dbg == NULL) { 39 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 40 return (DW_DLV_NOCOUNT); 41 } 42 43 if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE) 44 return (DW_DLV_NOCOUNT); 45 46 return (dbg->dbgp_seccnt); 47 } 48 49 Dwarf_Ptr 50 dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section, 51 Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error) 52 { 53 Dwarf_Ptr data; 54 55 (void) dwarf_section; /* ignored. */ 56 57 if (dbg == NULL || elf_section_index == NULL || length == NULL) { 58 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 59 return (NULL); 60 } 61 62 if (dbg->dbgp_secpos == NULL) { 63 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 64 return (NULL); 65 } 66 67 *elf_section_index = dbg->dbgp_secpos->ds_ndx; 68 *length = dbg->dbgp_secpos->ds_size; 69 data = dbg->dbgp_secpos->ds_data; 70 71 dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next); 72 73 return (data); 74 } 75 76 void 77 dwarf_reset_section_bytes(Dwarf_P_Debug dbg) 78 { 79 80 assert(dbg != NULL); 81 82 dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist); 83 dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist); 84 } 85