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/gelf_getchdr.c b/libelf/gelf_getchdr.c
new file mode 100644
index 0000000..394bf4b
--- /dev/null
+++ b/libelf/gelf_getchdr.c
@@ -0,0 +1,69 @@
+/* Return section compression header.
+ Copyright (C) 2015 Red Hat, Inc.
+ This file is part of elfutils.
+
+ 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 "libelfP.h"
+#include <gelf.h>
+#include <stddef.h>
+
+
+GElf_Chdr *
+gelf_getchdr (Elf_Scn *scn, GElf_Chdr *dest)
+{
+ if (scn == NULL)
+ return NULL;
+
+ if (dest == NULL)
+ {
+ __libelf_seterrno (ELF_E_INVALID_OPERAND);
+ return NULL;
+ }
+
+ if (scn->elf->class == ELFCLASS32)
+ {
+ Elf32_Chdr *chdr = elf32_getchdr (scn);
+ if (chdr == NULL)
+ return NULL;
+ dest->ch_type = chdr->ch_type;
+ dest->ch_size = chdr->ch_size;
+ dest->ch_addralign = chdr->ch_addralign;
+ }
+ else
+ {
+ Elf64_Chdr *chdr = elf64_getchdr (scn);
+ if (chdr == NULL)
+ return NULL;
+ *dest = *chdr;
+ }
+
+ return dest;
+}
+INTDEF(gelf_getchdr)