1260684Skaiw/*- 2260684Skaiw * Copyright (c) 2009,2011 Kai Wang 3260684Skaiw * All rights reserved. 4260684Skaiw * 5260684Skaiw * Redistribution and use in source and binary forms, with or without 6260684Skaiw * modification, are permitted provided that the following conditions 7260684Skaiw * are met: 8260684Skaiw * 1. Redistributions of source code must retain the above copyright 9260684Skaiw * notice, this list of conditions and the following disclaimer. 10260684Skaiw * 2. Redistributions in binary form must reproduce the above copyright 11260684Skaiw * notice, this list of conditions and the following disclaimer in the 12260684Skaiw * documentation and/or other materials provided with the distribution. 13260684Skaiw * 14260684Skaiw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15260684Skaiw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16260684Skaiw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17260684Skaiw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18260684Skaiw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19260684Skaiw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20260684Skaiw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21260684Skaiw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22260684Skaiw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23260684Skaiw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24260684Skaiw * SUCH DAMAGE. 25260684Skaiw */ 26260684Skaiw 27260684Skaiw#include "_libdwarf.h" 28260684Skaiw 29260684SkaiwELFTC_VCSID("$Id: dwarf_macinfo.c 2074 2011-10-27 03:34:33Z jkoshy $"); 30260684Skaiw 31260684Skaiwchar * 32260684Skaiwdwarf_find_macro_value_start(char *macro_string) 33260684Skaiw{ 34260684Skaiw char *p; 35260684Skaiw 36260684Skaiw if (macro_string == NULL) 37260684Skaiw return (NULL); 38260684Skaiw 39260684Skaiw p = macro_string; 40260684Skaiw while (*p != '\0' && *p != ' ') 41260684Skaiw p++; 42260684Skaiw if (*p == ' ') 43260684Skaiw p++; 44260684Skaiw 45260684Skaiw return (p); 46260684Skaiw} 47260684Skaiw 48260684Skaiwint 49260684Skaiwdwarf_get_macro_details(Dwarf_Debug dbg, Dwarf_Off offset, 50260684Skaiw Dwarf_Unsigned max_count, Dwarf_Signed *entry_cnt, 51260684Skaiw Dwarf_Macro_Details **details, Dwarf_Error *error) 52260684Skaiw{ 53260684Skaiw Dwarf_MacroSet ms; 54260684Skaiw Dwarf_Unsigned cnt; 55260684Skaiw int i; 56260684Skaiw 57260684Skaiw if (dbg == NULL || entry_cnt == NULL || details == NULL) { 58260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); 59260684Skaiw return (DW_DLV_ERROR); 60260684Skaiw } 61260684Skaiw 62260684Skaiw if (STAILQ_EMPTY(&dbg->dbg_mslist)) { 63260684Skaiw if (_dwarf_macinfo_init(dbg, error) != DW_DLE_NONE) 64260684Skaiw return (DW_DLV_ERROR); 65260684Skaiw if (STAILQ_EMPTY(&dbg->dbg_mslist)) { 66260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 67260684Skaiw return (DW_DLV_NO_ENTRY); 68260684Skaiw } 69260684Skaiw } 70260684Skaiw 71260684Skaiw STAILQ_FOREACH(ms, &dbg->dbg_mslist, ms_next) { 72260684Skaiw for (i = 0; (Dwarf_Unsigned) i < ms->ms_cnt; i++) 73260684Skaiw if (ms->ms_mdlist[i].dmd_offset == offset) { 74260684Skaiw cnt = ms->ms_cnt - i; 75260684Skaiw if (max_count != 0 && cnt > max_count) 76260684Skaiw cnt = max_count; 77260684Skaiw 78260684Skaiw *details = &ms->ms_mdlist[i]; 79260684Skaiw *entry_cnt = cnt; 80260684Skaiw 81260684Skaiw return (DW_DLV_OK); 82260684Skaiw } 83260684Skaiw } 84260684Skaiw 85260684Skaiw DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY); 86260684Skaiw 87260684Skaiw return (DW_DLV_NO_ENTRY); 88260684Skaiw} 89