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_sections.c 2074 2011-10-27 03:34:33Z jkoshy $"); 30 31 Dwarf_Signed 32 dwarf_transform_to_disk_form(Dwarf_P_Debug dbg, Dwarf_Error *error) 33 { 34 35 if (dbg == NULL) { 36 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 37 return (DW_DLV_NOCOUNT); 38 } 39 40 if (_dwarf_generate_sections(dbg, error) != DW_DLE_NONE) 41 return (DW_DLV_NOCOUNT); 42 43 return (dbg->dbgp_seccnt); 44 } 45 46 Dwarf_Ptr 47 dwarf_get_section_bytes(Dwarf_P_Debug dbg, Dwarf_Signed dwarf_section, 48 Dwarf_Signed *elf_section_index, Dwarf_Unsigned *length, Dwarf_Error *error) 49 { 50 Dwarf_Ptr data; 51 52 (void) dwarf_section; /* ignored. */ 53 54 if (dbg == NULL || elf_section_index == NULL || length == NULL) { 55 DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 56 return (NULL); 57 } 58 59 if (dbg->dbgp_secpos == NULL) { 60 DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 61 return (NULL); 62 } 63 64 *elf_section_index = dbg->dbgp_secpos->ds_ndx; 65 *length = dbg->dbgp_secpos->ds_size; 66 data = dbg->dbgp_secpos->ds_data; 67 68 dbg->dbgp_secpos = STAILQ_NEXT(dbg->dbgp_secpos, ds_next); 69 70 return (data); 71 } 72 73 void 74 dwarf_reset_section_bytes(Dwarf_P_Debug dbg) 75 { 76 77 assert(dbg != NULL); 78 79 dbg->dbgp_secpos = STAILQ_FIRST(&dbg->dbgp_seclist); 80 dbg->dbgp_drspos = STAILQ_FIRST(&dbg->dbgp_drslist); 81 } 82