Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/backends/arm_init.c b/backends/arm_init.c
new file mode 100644
index 0000000..f2b1b11
--- /dev/null
+++ b/backends/arm_init.c
@@ -0,0 +1,77 @@
+/* Initialization of Arm specific backend library.
+ Copyright (C) 2002, 2005, 2009, 2013, 2014, 2015, 2017 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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
+
+#define BACKEND arm_
+#define RELOC_PREFIX R_ARM_
+#include "libebl_CPU.h"
+
+/* This defines the common reloc hooks based on arm_reloc.def. */
+#include "common-reloc.c"
+
+
+const char *
+arm_init (Elf *elf __attribute__ ((unused)),
+ GElf_Half machine __attribute__ ((unused)),
+ Ebl *eh,
+ size_t ehlen)
+{
+ /* Check whether the Elf_BH object has a sufficent size. */
+ if (ehlen < sizeof (Ebl))
+ return NULL;
+
+ /* We handle it. */
+ eh->name = "ARM";
+ arm_init_reloc (eh);
+ HOOK (eh, segment_type_name);
+ HOOK (eh, section_type_name);
+ HOOK (eh, machine_flag_check);
+ HOOK (eh, reloc_simple_type);
+ HOOK (eh, register_info);
+ HOOK (eh, core_note);
+ HOOK (eh, auxv_info);
+ HOOK (eh, check_object_attribute);
+ HOOK (eh, return_value_location);
+ HOOK (eh, abi_cfi);
+ HOOK (eh, check_reloc_target_type);
+ HOOK (eh, symbol_type_name);
+ HOOK (eh, data_marker_symbol);
+
+ /* We only unwind the core integer registers. */
+ eh->frame_nregs = 16;
+ HOOK (eh, set_initial_registers_tid);
+
+ /* Bit zero encodes whether an function address is THUMB or ARM. */
+ eh->func_addr_mask = ~(GElf_Addr)1;
+
+ return MODVERSION;
+}