gdb/

	* configure.tgt (powerpc64-*-linux*): Enable gdbserver.
	* regformats/reg-ppc64.dat: New file.
gdbserver/
	* Makefile.in (SFILES): Add linux-ppc64-low.c.
	(linux-ppc64-low.o, reg-ppc64.c, reg-ppc64.o): New targets.
	* configure.srv: Add powerpc64-*-linux*.
	* linux-ppc64-low.c: New file.

4 files changed, 131 insertions, 3 deletions

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 248367a..7f7e4d4 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,10 @@
+2005-05-28  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* Makefile.in (SFILES): Add linux-ppc64-low.c.
+	(linux-ppc64-low.o, reg-ppc64.c, reg-ppc64.o): New targets.
+	* configure.srv: Add powerpc64-*-linux*.
+	* linux-ppc64-low.c: New file.
+
 2005-05-23  Orjan Friberg  <orjanf@axis.com>
 
 	* linux-cris-low.c: New file with support for CRIS.
@@ -9,7 +16,6 @@
 	* configure.srv: Add cris-*-linux* and crisv32-*-linux* to list of
 	recognized targets.
 
-
 2005-05-16  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* linux-low.c (fetch_register): Ensure buffer size is a multiple
diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in
index d4e0c9e..830f6f6 100644
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@@ -124,7 +124,8 @@ SFILES=	$(srcdir)/gdbreplay.c $(srcdir)/inferiors.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-ppc-low.c $(srcdir)/linux-ppc64-low.c \
+	$(srcdir)/linux-s390-low.c \
 	$(srcdir)/linux-sh-low.c $(srcdir)/linux-x86-64-low.c
 
 DEPFILES = @GDBSERVER_DEPFILES@
@@ -271,6 +272,7 @@ 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-ppc64-low.o: linux-ppc64-low.c $(linux_low_h) $(server_h)
 linux-s390-low.o: linux-s390-low.c $(linux_low_h) $(server_h)
 linux-sh-low.o: linux-sh-low.c $(linux_low_h) $(server_h)
 linux-x86-64-low.o: linux-x86-64-low.c $(linux_low_h) $(server_h)
@@ -305,6 +307,9 @@ reg-mips.c : $(srcdir)/../regformats/reg-mips.dat $(regdat_sh)
 reg-ppc.o : reg-ppc.c $(regdef_h)
 reg-ppc.c : $(srcdir)/../regformats/reg-ppc.dat $(regdat_sh)
 	sh $(regdat_sh) $(srcdir)/../regformats/reg-ppc.dat reg-ppc.c
+reg-ppc64.o : reg-ppc64.c $(regdef_h)
+reg-ppc64.c : $(srcdir)/../regformats/reg-ppc64.dat $(regdat_sh)
+	sh $(regdat_sh) $(srcdir)/../regformats/reg-ppc64.dat reg-ppc64.c
 reg-s390.o : reg-s390.c $(regdef_h)
 reg-s390.c : $(srcdir)/../regformats/reg-s390.dat $(regdat_sh)
 	sh $(regdat_sh) $(srcdir)/../regformats/reg-s390.dat reg-s390.c
diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
index 648b202..974a670 100644
--- a/gdb/gdbserver/configure.srv
+++ b/gdb/gdbserver/configure.srv
@@ -59,7 +59,12 @@ case "${target}" in
 			srv_linux_usrregs=yes
 			srv_linux_thread_db=yes
 			;;
-  powerpc*-*-linux*)	srv_regobj=reg-ppc.o
+  powerpc64-*-linux*)	srv_regobj=reg-ppc64.o
+			srv_tgtobj="linux-low.o linux-ppc64-low.o"
+			srv_linux_usrregs=yes
+			srv_linux_thread_db=yes
+			;;
+  powerpc-*-linux*)	srv_regobj=reg-ppc.o
 			srv_tgtobj="linux-low.o linux-ppc-low.o"
 			srv_linux_usrregs=yes
 			srv_linux_thread_db=yes
diff --git a/gdb/gdbserver/linux-ppc64-low.c b/gdb/gdbserver/linux-ppc64-low.c
new file mode 100644
index 0000000..9b63aa1
--- /dev/null
+++ b/gdb/gdbserver/linux-ppc64-low.c
@@ -0,0 +1,112 @@
+/* GNU/Linux/PowerPC64 specific low level interface, for the remote server for
+   GDB.
+   Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 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"
+
+#include <asm/ptrace.h>
+
+#define ppc_num_regs 71
+
+/* We use a constant for FPSCR instead of PT_FPSCR, because
+   many shipped PPC64 kernels had the wrong value in ptrace.h.  */
+static int ppc_regmap[] =
+ {PT_R0 * 8,     PT_R1 * 8,     PT_R2 * 8,     PT_R3 * 8,
+  PT_R4 * 8,     PT_R5 * 8,     PT_R6 * 8,     PT_R7 * 8,
+  PT_R8 * 8,     PT_R9 * 8,     PT_R10 * 8,    PT_R11 * 8,
+  PT_R12 * 8,    PT_R13 * 8,    PT_R14 * 8,    PT_R15 * 8,
+  PT_R16 * 8,    PT_R17 * 8,    PT_R18 * 8,    PT_R19 * 8,
+  PT_R20 * 8,    PT_R21 * 8,    PT_R22 * 8,    PT_R23 * 8,
+  PT_R24 * 8,    PT_R25 * 8,    PT_R26 * 8,    PT_R27 * 8,
+  PT_R28 * 8,    PT_R29 * 8,    PT_R30 * 8,    PT_R31 * 8,
+  PT_FPR0*8,     PT_FPR0*8 + 8, PT_FPR0*8+16,  PT_FPR0*8+24,
+  PT_FPR0*8+32,  PT_FPR0*8+40,  PT_FPR0*8+48,  PT_FPR0*8+56,
+  PT_FPR0*8+64,  PT_FPR0*8+72,  PT_FPR0*8+80,  PT_FPR0*8+88,
+  PT_FPR0*8+96,  PT_FPR0*8+104,  PT_FPR0*8+112,  PT_FPR0*8+120,
+  PT_FPR0*8+128, PT_FPR0*8+136,  PT_FPR0*8+144,  PT_FPR0*8+152,
+  PT_FPR0*8+160,  PT_FPR0*8+168,  PT_FPR0*8+176,  PT_FPR0*8+184,
+  PT_FPR0*8+192,  PT_FPR0*8+200,  PT_FPR0*8+208,  PT_FPR0*8+216,
+  PT_FPR0*8+224,  PT_FPR0*8+232,  PT_FPR0*8+240,  PT_FPR0*8+248,
+  PT_NIP * 8,    PT_MSR * 8,    PT_CCR * 8,    PT_LNK * 8,
+  PT_CTR * 8,    PT_XER * 8,    PT_FPR0*8 + 256 };
+
+static int
+ppc_cannot_store_register (int regno)
+{
+  return 0;
+}
+
+static int
+ppc_cannot_fetch_register (int regno)
+{
+  return 0;
+}
+
+static CORE_ADDR
+ppc_get_pc (void)
+{
+  unsigned long pc;
+
+  collect_register_by_name ("pc", &pc);
+  return (CORE_ADDR) pc;
+}
+
+static void
+ppc_set_pc (CORE_ADDR pc)
+{
+  unsigned long newpc = pc;
+
+  supply_register_by_name ("pc", &newpc);
+}
+
+/* Correct in either endianness.
+   This instruction is "twge r2, r2", which GDB uses as a software
+   breakpoint.  */
+static const unsigned int ppc_breakpoint = 0x7d821008;
+#define ppc_breakpoint_len 4
+
+static int
+ppc_breakpoint_at (CORE_ADDR where)
+{
+  unsigned int insn;
+
+  (*the_target->read_memory) (where, (char *) &insn, 4);
+  if (insn == ppc_breakpoint)
+    return 1;
+  /* If necessary, recognize more trap instructions here.  GDB only uses the
+     one.  */
+  return 0;
+}
+
+struct linux_target_ops the_low_target = {
+  ppc_num_regs,
+  ppc_regmap,
+  ppc_cannot_fetch_register,
+  ppc_cannot_store_register,
+  ppc_get_pc,
+  ppc_set_pc,
+  (const char *) &ppc_breakpoint,
+  ppc_breakpoint_len,
+  NULL,
+  0,
+  ppc_breakpoint_at,
+};