1 files changed, 58 insertions, 0 deletions
diff --git a/backends/m68k_cfi.c b/backends/m68k_cfi.c
new file mode 100644
index 00000000..9303fb22
--- /dev/null
+++ b/backends/m68k_cfi.c
@@ -0,0 +1,58 @@
+/* m68k ABI-specified defaults for DWARF CFI.
+   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 <dwarf.h>
+
+#define BACKEND m68k_
+#include "libebl_CPU.h"
+
+int
+m68k_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
+{
+  static const uint8_t abi_cfi[] =
+    {
+#define SV(n) DW_CFA_same_value, ULEB128_7 (n)
+      /* Call-saved registers %d2-%d7, %a2-%a6.  */
+      SV (2), SV (3), SV (4), SV (5), SV (6), SV (7),
+      SV (10), SV (11), SV (12), SV (13), SV (14),
+
+      /* The CFA is the SP.  */
+      DW_CFA_val_offset, ULEB128_7 (15), ULEB128_7 (0),
+    };
+
+  abi_info->initial_instructions = abi_cfi;
+  abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
+  abi_info->data_alignment_factor = -4;
+
+  abi_info->return_address_register = 24; /* %pc */
+
+  return 0;
+}