1 files changed, 122 insertions, 0 deletions
diff --git a/gdb/arm-bsd-tdep.c b/gdb/arm-bsd-tdep.c
new file mode 100644
index 0000000..be0c0bb
--- /dev/null
+++ b/gdb/arm-bsd-tdep.c
@@ -0,0 +1,122 @@
+/* Target-dependent code for ARM BSD's.
+
+   Copyright (C) 2006-2016 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program 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; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "defs.h"
+#include "osabi.h"
+#include "regcache.h"
+#include "regset.h"
+
+#include "arm-tdep.h"
+
+/* Core file support.  */
+
+/* Sizeof `struct reg' in <machine/reg.h>.  */
+#define ARMBSD_SIZEOF_GREGS	(17 * 4)
+
+/* Sizeof `struct fpreg' in <machine/reg.h.  */
+#define ARMBSD_SIZEOF_FPREGS	((1 + (8 * 3)) * 4)
+
+static int
+armbsd_fpreg_offset (int regnum)
+{
+  if (regnum == ARM_FPS_REGNUM)
+    return 0;
+
+  return 4 + (regnum - ARM_F0_REGNUM) * 12;
+}
+
+/* Supply register REGNUM from the buffer specified by FPREGS and LEN
+   in the floating-point register set REGSET to register cache
+   REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
+
+static void
+armbsd_supply_fpregset (const struct regset *regset,
+			struct regcache *regcache,
+			int regnum, const void *fpregs, size_t len)
+{
+  const gdb_byte *regs = (const gdb_byte *) fpregs;
+  int i;
+
+  gdb_assert (len >= ARMBSD_SIZEOF_FPREGS);
+
+  for (i = ARM_F0_REGNUM; i <= ARM_FPS_REGNUM; i++)
+    {
+      if (regnum == i || regnum == -1)
+	regcache_raw_supply (regcache, i, regs + armbsd_fpreg_offset (i));
+    }
+}
+
+/* Supply register REGNUM from the buffer specified by GREGS and LEN
+   in the general-purpose register set REGSET to register cache
+   REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
+
+static void
+armbsd_supply_gregset (const struct regset *regset,
+		       struct regcache *regcache,
+		       int regnum, const void *gregs, size_t len)
+{
+  const gdb_byte *regs = (const gdb_byte *) gregs;
+  int i;
+
+  gdb_assert (len >= ARMBSD_SIZEOF_GREGS);
+
+  for (i = ARM_A1_REGNUM; i <= ARM_PC_REGNUM; i++)
+    {
+      if (regnum == i || regnum == -1)
+	regcache_raw_supply (regcache, i, regs + i * 4);
+    }
+
+  if (regnum == ARM_PS_REGNUM || regnum == -1)
+    regcache_raw_supply (regcache, i, regs + 16 * 4);
+
+  if (len >= ARMBSD_SIZEOF_GREGS + ARMBSD_SIZEOF_FPREGS)
+    {
+      regs += ARMBSD_SIZEOF_GREGS;
+      len -= ARMBSD_SIZEOF_GREGS;
+      armbsd_supply_fpregset (regset, regcache, regnum, regs, len);
+    }
+}
+
+/* ARM register sets.  */
+
+static const struct regset armbsd_gregset =
+{
+  NULL,
+  armbsd_supply_gregset,
+  NULL,
+  REGSET_VARIABLE_SIZE
+};
+
+static const struct regset armbsd_fpregset =
+{
+  NULL,
+  armbsd_supply_fpregset
+};
+
+/* Iterate over supported core file register note sections. */
+
+void
+armbsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+				     iterate_over_regset_sections_cb *cb,
+				     void *cb_data,
+				     const struct regcache *regcache)
+{
+  cb (".reg", ARMBSD_SIZEOF_GREGS, &armbsd_gregset, NULL, cb_data);
+  cb (".reg2", ARMBSD_SIZEOF_FPREGS, &armbsd_fpregset, NULL, cb_data);
+}