1 /* Section hash table implementation.
2 Copyright (C) 2001, 2002 Red Hat, Inc.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2001.
4
5 This program is Open Source software; you can redistribute it and/or
6 modify it under the terms of the Open Software License version 1.0 as
7 published by the Open Source Initiative.
8
9 You should have received a copy of the Open Software License along
10 with this program; if not, you may obtain a copy of the Open Software
11 License version 1.0 from http://www.opensource.org/licenses/osl.php or
12 by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
13 3001 King Ranch Road, Ukiah, CA 95482. */
14
15 #ifdef HAVE_CONFIG_H
16 # include <config.h>
17 #endif
18
19 #include <string.h>
20
21 #include <elf-knowledge.h>
22 #include <ld.h>
23
24
25 /* Comparison function for sections. */
26 static int
scnhead_compare(struct scnhead * one,struct scnhead * two)27 scnhead_compare (struct scnhead *one, struct scnhead *two)
28 {
29 int result = strcmp (one->name, two->name);
30
31 if (result == 0)
32 {
33 result = one->type - two->type;
34
35 if (result == 0)
36 {
37 GElf_Xword diff = (SH_FLAGS_IMPORTANT (one->flags)
38 - SH_FLAGS_IMPORTANT (two->flags));
39 result = diff < 0 ? -1 : diff == 0 ? 0 : 1;
40
41 if (result == 0)
42 {
43 result = one->entsize - two->entsize;
44
45 if (result == 0)
46 {
47 result = (one->grp_signature == NULL
48 ? (two->grp_signature == NULL ? 0 : -1)
49 : (two->grp_signature == NULL
50 ? 1 : strcmp (one->grp_signature,
51 two->grp_signature)));
52
53 if (result == 0)
54 result = one->kind - two->kind;
55 }
56 }
57 }
58 }
59
60 return result;
61 }
62
63 /* Definitions for the section hash table. */
64 #define TYPE struct scnhead *
65 #define NAME ld_section_tab
66 #define ITERATE 1
67 #define COMPARE(a, b) scnhead_compare (a, b)
68
69 #include "../lib/dynamicsizehash.c"
70