2005-04-15 Ke Sakamoto <sakamoto.kei@renesas.com>

	* Makefile.in: Add linux-m32r-low.o, reg-m32r.c and reg-m32r.o.
	* configure.srv: Add m32r*-*-linux*.
	* linux-m32r-low.c: New file.

1 files changed, 98 insertions, 0 deletions

diff --git a/gdb/gdbserver/linux-m32r-low.c b/gdb/gdbserver/linux-m32r-low.c
new file mode 100644
index 0000000..2db03fe
--- /dev/null
+++ b/gdb/gdbserver/linux-m32r-low.c
@@ -0,0 +1,98 @@
+/* GNU/Linux/m32r specific low level interface, for the remote server for GDB.
+   Copyright 2005 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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "server.h"
+#include "linux-low.h"
+
+#ifdef HAVE_SYS_REG_H
+#include <sys/reg.h>
+#endif
+
+#define m32r_num_regs 25
+
+static int m32r_regmap[] = {
+#ifdef PT_R0
+  PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
+  PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_FP, PT_LR, PT_SPU,
+  PT_PSW, PT_CBR, PT_SPI, PT_SPU, PT_BPC, PT_PC, PT_ACCL, PT_ACCH, PT_EVB
+#else
+  4 * 4, 4 * 5, 4 * 6, 4 * 7, 4 * 0, 4 * 1, 4 * 2, 4 * 8,
+  4 * 9, 4 * 10, 4 * 11, 4 * 12, 4 * 13, 4 * 24, 4 * 25, 4 * 23,
+  4 * 19, 4 * 31, 4 * 26, 4 * 23, 4 * 20, 4 * 30, 4 * 16, 4 * 15, 4 * 32
+#endif
+};
+
+static int
+m32r_cannot_store_register (int regno)
+{
+  return (regno >= m32r_num_regs);
+}
+
+static int
+m32r_cannot_fetch_register (int regno)
+{
+  return (regno >= m32r_num_regs);
+}
+
+static CORE_ADDR
+m32r_get_pc ()
+{
+  unsigned long pc;
+  collect_register_by_name ("pc", &pc);
+  return pc;
+}
+
+static void
+m32r_set_pc (CORE_ADDR pc)
+{
+  unsigned long newpc = pc;
+  supply_register_by_name ("pc", &newpc);
+}
+
+static const unsigned short m32r_breakpoint = 0x10f1;
+#define m32r_breakpoint_len 2
+
+static int
+m32r_breakpoint_at (CORE_ADDR where)
+{
+  unsigned short insn;
+
+  (*the_target->read_memory) (where, (char *) &insn, m32r_breakpoint_len);
+  if (insn == m32r_breakpoint)
+    return 1;
+
+  /* If necessary, recognize more trap instructions here.  GDB only uses the
+     one.  */
+  return 0;
+}
+
+struct linux_target_ops the_low_target = {
+  m32r_num_regs,
+  m32r_regmap,
+  m32r_cannot_fetch_register,
+  m32r_cannot_store_register,
+  m32r_get_pc,
+  m32r_set_pc,
+  (const char *) &m32r_breakpoint,
+  m32r_breakpoint_len,
+  NULL,
+  0,
+  m32r_breakpoint_at,
+};