0.131-10.131-1

- Update to 0.131
  - libdw: DW_FORM_ref_addr support; dwarf_formref entry point now deprecated;
    	   bug fixes for oddly-formatted DWARF
  - libdwfl: bug fixes in offline archive support, symbol table handling;
	     apply partial relocations for dwfl_module_address_section on ET_REL
  - libebl: powerpc backend support for Altivec registers

1 files changed, 130 insertions, 0 deletions

diff --git a/elfutils/libelf/gelf_getauxv.c b/elfutils/libelf/gelf_getauxv.c
new file mode 100644
index 00000000..036bdccf
--- /dev/null
+++ b/elfutils/libelf/gelf_getauxv.c
@@ -0,0 +1,130 @@
+/* Get information from auxiliary vector at the given index.
+   Copyright (C) 2007 Red Hat, Inc.
+   This file is part of Red Hat elfutils.
+
+   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.
+
+   Red Hat 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>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <gelf.h>
+#include <string.h>
+
+#include "libelfP.h"
+
+
+GElf_auxv_t *
+gelf_getauxv (data, ndx, dst)
+     Elf_Data *data;
+     int ndx;
+     GElf_auxv_t *dst;
+{
+  Elf_Data_Scn *data_scn = (Elf_Data_Scn *) data;
+  GElf_auxv_t *result = NULL;
+  Elf *elf;
+
+  if (data_scn == NULL)
+    return NULL;
+
+  if (unlikely (data_scn->d.d_type != ELF_T_AUXV))
+    {
+      __libelf_seterrno (ELF_E_INVALID_HANDLE);
+      return NULL;
+    }
+
+  elf = data_scn->s->elf;
+
+  rwlock_rdlock (elf->lock);
+
+  /* This is the one place where we have to take advantage of the fact
+     that an `Elf_Data' pointer is also a pointer to `Elf_Data_Scn'.
+     The interface is broken so that it requires this hack.  */
+  if (elf->class == ELFCLASS32)
+    {
+      Elf32_auxv_t *src;
+
+      /* Here it gets a bit more complicated.  The format of the vector
+	 entries has to be converted.  The user better have provided a
+	 buffer where we can store the information.  While copying the data
+	 we convert the format.  */
+      if (unlikely ((ndx + 1) * sizeof (Elf32_auxv_t) > data_scn->d.d_size))
+	{
+	  __libelf_seterrno (ELF_E_INVALID_INDEX);
+	  goto out;
+	}
+
+      src = &((Elf32_auxv_t *) data_scn->d.d_buf)[ndx];
+
+      /* This might look like a simple copy operation but it's
+	 not.  There are zero- and sign-extensions going on.  */
+      dst->a_type = src->a_type;
+      dst->a_un.a_val = src->a_un.a_val;
+    }
+  else
+    {
+      /* If this is a 64 bit object it's easy.  */
+      assert (sizeof (GElf_auxv_t) == sizeof (Elf64_auxv_t));
+
+      /* The data is already in the correct form.  Just make sure the
+	 index is OK.  */
+      if (unlikely ((ndx + 1) * sizeof (GElf_auxv_t) > data_scn->d.d_size))
+	{
+	  __libelf_seterrno (ELF_E_INVALID_INDEX);
+	  goto out;
+	}
+
+      *dst = ((GElf_auxv_t *) data_scn->d.d_buf)[ndx];
+    }
+
+  result = dst;
+
+ out:
+  rwlock_unlock (elf->lock);
+
+  return result;
+}