Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libelf/elf_rawdata.c b/libelf/elf_rawdata.c
new file mode 100644
index 0000000..db28f5d
--- /dev/null
+++ b/libelf/elf_rawdata.c
@@ -0,0 +1,76 @@
+/* Return raw section content.
+ Copyright (C) 1998, 1999, 2000, 2002, 2015 Red Hat, Inc.
+ This file is part of elfutils.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * 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 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>
+#endif
+
+#include <stdlib.h>
+
+#include "libelfP.h"
+
+
+Elf_Data *
+elf_rawdata (Elf_Scn *scn, Elf_Data *data)
+{
+ if (scn == NULL || scn->elf->kind != ELF_K_ELF)
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+ return NULL;
+ }
+
+ /* If `data' is not NULL this means we are not addressing the initial
+ data in the file. But this also means this data is already read
+ (since otherwise it is not possible to have a valid `data' pointer)
+ and all the data structures are initialized as well. In this case
+ we can simply walk the list of data records. */
+ if (data != NULL
+ || (scn->data_read != 0 && (scn->flags & ELF_F_FILEDATA) == 0))
+ {
+ /* We don't allow accessing any but the data read from the file
+ as raw. */
+ __libelf_seterrno (ELF_E_DATA_MISMATCH);
+ return NULL;
+ }
+
+ /* If the data for this section was not yet initialized do it now. */
+ if (scn->data_read == 0)
+ {
+ /* First thing we do is to read the data from the file. There is
+ always a file (or memory region) associated with this descriptor
+ since otherwise the `data_read' flag would be set. */
+ if (__libelf_set_rawdata (scn) != 0)
+ /* Something went wrong. The error value is already set. */
+ return NULL;
+ }
+
+ /* Return the first data element in the list. */
+ return &scn->rawdata.d;
+}
+INTDEF(elf_rawdata)