1 /* Section hash table implementation. 2 Copyright (C) 2001, 2002, 2005 Red Hat, Inc. 3 This file is part of elfutils. 4 Written by Ulrich Drepper <drepper (at) redhat.com>, 2001. 5 6 This file is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 elfutils is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include <string.h> 24 25 #include <elf-knowledge.h> 26 #include <ld.h> 27 28 29 /* Comparison function for sections. */ 30 static int 31 scnhead_compare (struct scnhead *one, struct scnhead *two) 32 { 33 int result = strcmp (one->name, two->name); 34 35 if (result == 0) 36 { 37 result = one->type - two->type; 38 39 if (result == 0) 40 { 41 GElf_Sxword diff = (SH_FLAGS_IMPORTANT (one->flags) 42 - SH_FLAGS_IMPORTANT (two->flags)); 43 result = diff < 0 ? -1 : diff == 0 ? 0 : 1; 44 45 if (result == 0) 46 { 47 result = one->entsize - two->entsize; 48 49 if (result == 0) 50 { 51 result = (one->grp_signature == NULL 52 ? (two->grp_signature == NULL ? 0 : -1) 53 : (two->grp_signature == NULL 54 ? 1 : strcmp (one->grp_signature, 55 two->grp_signature))); 56 57 if (result == 0) 58 result = one->kind - two->kind; 59 } 60 } 61 } 62 } 63 64 return result; 65 } 66 67 /* Definitions for the section hash table. */ 68 #define TYPE struct scnhead * 69 #define NAME ld_section_tab 70 #define ITERATE 1 71 #define COMPARE(a, b) scnhead_compare (a, b) 72 73 #include "../lib/dynamicsizehash.c" 74
