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.

4 files changed, 115 insertions, 1 deletions

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 1ed79daa945..ce5dd8931ac 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,9 @@
+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.
+
 2005-03-04  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* Makefile.in (stamp-h): Set CONFIG_HEADERS explicitly.
diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in
index b18f5869152..6d64406d867 100644
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@@ -121,6 +121,7 @@ SFILES=	$(srcdir)/gdbreplay.c $(srcdir)/inferiors.c \
 	$(srcdir)/linux-arm-low.c $(srcdir)/linux-i386-low.c \
 	$(srcdir)/i387-fp.c \
 	$(srcdir)/linux-ia64-low.c $(srcdir)/linux-low.c \
+	$(srcdir)/linux-m32r-low.c \
 	$(srcdir)/linux-m68k-low.c $(srcdir)/linux-mips-low.c \
 	$(srcdir)/linux-ppc-low.c $(srcdir)/linux-s390-low.c \
 	$(srcdir)/linux-sh-low.c $(srcdir)/linux-x86-64-low.c
@@ -198,7 +199,7 @@ tags: TAGS
 clean:
 	rm -f *.o ${ADD_FILES} *~
 	rm -f gdbserver gdbreplay core make.log
-	rm -f reg-arm.c reg-i386.c reg-ia64.c reg-m68k.c reg-mips.c
+	rm -f reg-arm.c reg-i386.c reg-ia64.c reg-m32r.c reg-m68k.c reg-mips.c
 	rm -f reg-ppc.c reg-sh.c reg-x86-64.c reg-i386-linux.c
 
 maintainer-clean realclean distclean: clean
@@ -263,6 +264,7 @@ linux-low.o: linux-low.c $(linux_low_h) $(server_h)
 linux-arm-low.o: linux-arm-low.c $(linux_low_h) $(server_h)
 linux-i386-low.o: linux-i386-low.c $(linux_low_h) $(server_h)
 linux-ia64-low.o: linux-ia64-low.c $(linux_low_h) $(server_h)
+linux-m32r-low.o: linux-m32r-low.c $(linux_low_h) $(server_h)
 linux-mips-low.o: linux-mips-low.c $(linux_low_h) $(server_h)
 linux-ppc-low.o: linux-ppc-low.c $(linux_low_h) $(server_h)
 linux-s390-low.o: linux-s390-low.c $(linux_low_h) $(server_h)
@@ -281,6 +283,9 @@ reg-i386-linux.c : $(srcdir)/../regformats/reg-i386-linux.dat $(regdat_sh)
 reg-ia64.o : reg-ia64.c $(regdef_h)
 reg-ia64.c : $(srcdir)/../regformats/reg-ia64.dat $(regdat_sh)
 	sh $(regdat_sh) $(srcdir)/../regformats/reg-ia64.dat reg-ia64.c
+reg-m32r.o : reg-m32r.c $(regdef_h)
+reg-m32r.c : $(srcdir)/../regformats/reg-m32r.dat $(regdat_sh)
+	sh $(regdat_sh) $(srcdir)/../regformats/reg-m32r.dat reg-m32r.c
 reg-m68k.o : reg-m68k.c $(regdef_h)
 reg-m68k.c : $(srcdir)/../regformats/reg-m68k.dat $(regdat_sh)
 	sh $(regdat_sh) $(srcdir)/../regformats/reg-m68k.dat reg-m68k.c
diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
index 991cb05db93..943e2289e35 100644
--- a/gdb/gdbserver/configure.srv
+++ b/gdb/gdbserver/configure.srv
@@ -33,6 +33,11 @@ case "${target}" in
 			srv_tgtobj="linux-low.o linux-ia64-low.o"
 			srv_linux_usrregs=yes
 			;;
+  m32r*-*-linux*)	srv_regobj=reg-m32r.o
+			srv_tgtobj="linux-low.o linux-m32r-low.o"
+			srv_linux_usrregs=yes
+ 			srv_linux_thread_db=yes
+			;;
   m68*-*-linux*)	srv_regobj=reg-m68k.o
 			srv_tgtobj="linux-low.o linux-m68k-low.o"
 			srv_linux_usrregs=yes
diff --git a/gdb/gdbserver/linux-m32r-low.c b/gdb/gdbserver/linux-m32r-low.c
new file mode 100644
index 00000000000..2db03fe018d
--- /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,
+};