/* Find CU for given offset.
Copyright (C) 2003-2010 Red Hat, Inc.
- This file is part of Red Hat elfutils.
+ This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2003.
- Red Hat elfutils 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; version 2 of the License.
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
- Red Hat elfutils is distributed in the hope that it will be useful, but
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ 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 Red Hat elfutils; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
-
- In addition, as a special exception, Red Hat, Inc. gives You the
- additional right to link the code of Red Hat elfutils with code licensed
- under any Open Source Initiative certified open source license
- (http://www.opensource.org/licenses/index.php) which requires the
- distribution of source code with any binary distribution and to
- distribute linked combinations of the two. Non-GPL Code permitted under
- this exception must only link to the code of Red Hat elfutils through
- those well defined interfaces identified in the file named EXCEPTION
- found in the source code files (the "Approved Interfaces"). The files
- of Non-GPL Code may instantiate templates or use macros or inline
- functions from the Approved Interfaces without causing the resulting
- work to be covered by the GNU General Public License. Only Red Hat,
- Inc. may make changes or additions to the list of Approved Interfaces.
- Red Hat's grant of this exception is conditioned upon your not adding
- any new exceptions. If you wish to add a new Approved Interface or
- exception, please contact Red Hat. You must obey the GNU General Public
- License in all respects for all of the Red Hat elfutils code and other
- code used in conjunction with Red Hat elfutils except the Non-GPL Code
- covered by this exception. If you modify this file, you may extend this
- exception to your version of the file, but you are not obligated to do
- so. If you do not wish to provide this exception without modification,
- you must delete this exception statement from your version and license
- this file solely under the GPL without exception.
-
- Red Hat elfutils is an included package of the Open Invention Network.
- An included package of the Open Invention Network is a package for which
- Open Invention Network licensees cross-license their patents. No patent
- license is granted, either expressly or impliedly, by designation as an
- included package. Should you wish to participate in the Open Invention
- Network licensing program, please visit www.openinventionnetwork.com
- <http://www.openinventionnetwork.com>. */
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#include <search.h>
#include "libdwP.h"
+static int
+findcu_cb (const void *arg1, const void *arg2)
+{
+ struct Dwarf_CU *cu1 = (struct Dwarf_CU *) arg1;
+ struct Dwarf_CU *cu2 = (struct Dwarf_CU *) arg2;
+
+ /* Find out which of the two arguments is the search value. It has
+ end offset 0. */
+ if (cu1->end == 0)
+ {
+ if (cu1->start < cu2->start)
+ return -1;
+ if (cu1->start >= cu2->end)
+ return 1;
+ }
+ else
+ {
+ if (cu2->start < cu1->start)
+ return 1;
+ if (cu2->start >= cu1->end)
+ return -1;
+ }
+
+ return 0;
+}
struct Dwarf_CU *
internal_function
{
Dwarf_Off *const offsetp
= debug_types ? &dbg->next_tu_offset : &dbg->next_cu_offset;
+ void **tree = debug_types ? &dbg->tu_tree : &dbg->cu_tree;
Dwarf_Off oldoff = *offsetp;
uint16_t version;
newp->lines = NULL;
newp->locs = NULL;
- return newp;
-}
-
-
-static int
-findcu_cb (const void *arg1, const void *arg2)
-{
- struct Dwarf_CU *cu1 = (struct Dwarf_CU *) arg1;
- struct Dwarf_CU *cu2 = (struct Dwarf_CU *) arg2;
-
- /* Find out which of the two arguments is the search value. It has
- end offset 0. */
- if (cu1->end == 0)
+ /* Add the new entry to the search tree. */
+ if (tsearch (newp, tree, findcu_cb) == NULL)
{
- if (cu1->start < cu2->start)
- return -1;
- if (cu1->start >= cu2->end)
- return 1;
- }
- else
- {
- if (cu2->start < cu1->start)
- return 1;
- if (cu2->start >= cu1->end)
- return -1;
+ /* Something went wrong. Undo the operation. */
+ *offsetp = oldoff;
+ __libdw_seterrno (DWARF_E_NOMEM);
+ return NULL;
}
- return 0;
+ return newp;
}
struct Dwarf_CU *
/* No. Then read more CUs. */
while (1)
{
- Dwarf_Off oldoff = *next_offset;
struct Dwarf_CU *newp = __libdw_intern_next_unit (dbg, debug_types);
if (newp == NULL)
return NULL;
- /* Add the new entry to the search tree. */
- if (tsearch (newp, tree, findcu_cb) == NULL)
- {
- /* Something went wrong. Undo the operation. */
- *next_offset = oldoff;
- __libdw_seterrno (DWARF_E_NOMEM);
- return NULL;
- }
-
/* Is this the one we are looking for? */
if (start < *next_offset)
// XXX Match exact offset.
projects / platform / upstream / elfutils.git / blobdiff