• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* Fetch the CU DIE for a PC address in a given module.
2    Copyright (C) 2005 Red Hat, Inc.
3    This file is part of Red Hat elfutils.
4 
5    Red Hat elfutils is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by the
7    Free Software Foundation; version 2 of the License.
8 
9    Red Hat elfutils is distributed in the hope that it will be useful, but
10    WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License along
15    with Red Hat elfutils; if not, write to the Free Software Foundation,
16    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
17 
18    In addition, as a special exception, Red Hat, Inc. gives You the
19    additional right to link the code of Red Hat elfutils with code licensed
20    under any Open Source Initiative certified open source license
21    (http://www.opensource.org/licenses/index.php) which requires the
22    distribution of source code with any binary distribution and to
23    distribute linked combinations of the two.  Non-GPL Code permitted under
24    this exception must only link to the code of Red Hat elfutils through
25    those well defined interfaces identified in the file named EXCEPTION
26    found in the source code files (the "Approved Interfaces").  The files
27    of Non-GPL Code may instantiate templates or use macros or inline
28    functions from the Approved Interfaces without causing the resulting
29    work to be covered by the GNU General Public License.  Only Red Hat,
30    Inc. may make changes or additions to the list of Approved Interfaces.
31    Red Hat's grant of this exception is conditioned upon your not adding
32    any new exceptions.  If you wish to add a new Approved Interface or
33    exception, please contact Red Hat.  You must obey the GNU General Public
34    License in all respects for all of the Red Hat elfutils code and other
35    code used in conjunction with Red Hat elfutils except the Non-GPL Code
36    covered by this exception.  If you modify this file, you may extend this
37    exception to your version of the file, but you are not obligated to do
38    so.  If you do not wish to provide this exception without modification,
39    you must delete this exception statement from your version and license
40    this file solely under the GPL without exception.
41 
42    Red Hat elfutils is an included package of the Open Invention Network.
43    An included package of the Open Invention Network is a package for which
44    Open Invention Network licensees cross-license their patents.  No patent
45    license is granted, either expressly or impliedly, by designation as an
46    included package.  Should you wish to participate in the Open Invention
47    Network licensing program, please visit www.openinventionnetwork.com
48    <http://www.openinventionnetwork.com>.  */
49 
50 #include "libdwflP.h"
51 
52 Dwarf_Die *
dwfl_module_addrdie(Dwfl_Module * mod,Dwarf_Addr addr,Dwarf_Addr * bias)53 dwfl_module_addrdie (Dwfl_Module *mod, Dwarf_Addr addr, Dwarf_Addr *bias)
54 {
55   if (INTUSE(dwfl_module_getdwarf) (mod, bias) == NULL)
56     return NULL;
57 
58   struct dwfl_cu *cu;
59   Dwfl_Error error = __libdwfl_addrcu (mod, addr, &cu);
60   if (likely (error == DWFL_E_NOERROR))
61     return &cu->die;
62 
63   __libdwfl_seterrno (error);
64   return NULL;
65 }
66 INTDEF (dwfl_module_addrdie)
67