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authorChih-hung Hsieh <chh@google.com>2015-09-25 14:51:48 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-09-25 14:51:48 +0000
commitb0121c5547604527aaeea297b54047cd14b234df (patch)
tree7d9031ee3d5796de4a1825892fc6e04ba6e36ae2 /src/sectionhash.c
parentd03895cf5f8b77c6a85abcd84ea0d80ff56be846 (diff)
parent5eafdf0f9bfd9a3c5f93414ac16bb399b6da0b7f (diff)
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Merge "Move files up to match upstream source structure."
Diffstat (limited to 'src/sectionhash.c')
-rw-r--r--src/sectionhash.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/sectionhash.c b/src/sectionhash.c
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+/* Section hash table implementation.
+ Copyright (C) 2001, 2002, 2005 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2001.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+
+#include <elf-knowledge.h>
+#include <ld.h>
+
+
+/* Comparison function for sections. */
+static int
+scnhead_compare (struct scnhead *one, struct scnhead *two)
+{
+ int result = strcmp (one->name, two->name);
+
+ if (result == 0)
+ {
+ result = one->type - two->type;
+
+ if (result == 0)
+ {
+ GElf_Sxword diff = (SH_FLAGS_IMPORTANT (one->flags)
+ - SH_FLAGS_IMPORTANT (two->flags));
+ result = diff < 0 ? -1 : diff == 0 ? 0 : 1;
+
+ if (result == 0)
+ {
+ result = one->entsize - two->entsize;
+
+ if (result == 0)
+ {
+ result = (one->grp_signature == NULL
+ ? (two->grp_signature == NULL ? 0 : -1)
+ : (two->grp_signature == NULL
+ ? 1 : strcmp (one->grp_signature,
+ two->grp_signature)));
+
+ if (result == 0)
+ result = one->kind - two->kind;
+ }
+ }
+ }
+ }
+
+ return result;
+}
+
+/* Definitions for the section hash table. */
+#define TYPE struct scnhead *
+#define NAME ld_section_tab
+#define ITERATE 1
+#define COMPARE(a, b) scnhead_compare (a, b)
+
+#include "../lib/dynamicsizehash.c"