* config/i386/x86-64linux.mh: New file.

* config/i386/x86-64linux.mt: New file.
* config/i386/nm-x86_64.h: New file.
* x86-64-linux-tdep.c: New file.
* x86-64-linux-nat.c: New file.
* x86-64-tdep.c: New file.
* x86-64-tdep.h: New file.
* config/djgpp/fnchange.lst: Add entries for x86_64-linux-tdep.c
and x86_64-linux-nat.c
* Makefile.in: Add x86_64-linux-tdep.o, x86_64-tdep.o,
x86_64-linux-tdep.o, x86_64-nat.o, update dependencies.

3 files changed, 116 insertions, 0 deletions

diff --git a/gdb/config/i386/nm-x86-64.h b/gdb/config/i386/nm-x86-64.h
new file mode 100644
index 0000000..bbbea9f
--- /dev/null
+++ b/gdb/config/i386/nm-x86-64.h
@@ -0,0 +1,100 @@
+/* Native support for Linux/x86-64.
+   Copyright 2001
+   Free Software Foundation, Inc.
+   Contributed by Jiri Smid, SuSE Labs.
+
+   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.  */
+
+#ifndef NM_X86_64_H
+#define NM_X86_64_H
+
+#include "nm-linux.h"
+
+#define I386_USE_GENERIC_WATCHPOINTS
+#include "i386/nm-i386.h"
+
+/* Support for 8-byte wide hw watchpoints.  */
+#define TARGET_HAS_DR_LEN_8 1
+
+/* Provide access to the i386 hardware debugging registers.  */
+
+extern void x86_64_linux_dr_set_control (unsigned long control);
+#define I386_DR_LOW_SET_CONTROL(control) \
+  x86_64_linux_dr_set_control (control)
+
+extern void x86_64_linux_dr_set_addr (int regnum, CORE_ADDR addr);
+#define I386_DR_LOW_SET_ADDR(regnum, addr) \
+  x86_64_linux_dr_set_addr (regnum, addr)
+
+extern void x86_64_linux_dr_reset_addr (int regnum);
+#define I386_DR_LOW_RESET_ADDR(regnum) \
+  x86_64_linux_dr_reset_addr (regnum)
+
+extern unsigned long x86_64_linux_dr_get_status (void);
+#define I386_DR_LOW_GET_STATUS() \
+  x86_64_linux_dr_get_status ()
+
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+	(addr) = x86_64_register_u_addr ((blockend),(regno));
+CORE_ADDR x86_64_register_u_addr (CORE_ADDR, int);
+
+/* Return the size of the user struct.  */
+#define KERNEL_U_SIZE kernel_u_size()
+extern int kernel_u_size (void);
+
+/* Offset of the registers within the user area.  */
+#define U_REGS_OFFSET 0
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+#define KERNEL_U_ADDR 0x0
+
+/* FIXME use special child_xfer_memory.  */
+#define CHILD_XFER_MEMORY
+
+#define PTRACE_ARG3_TYPE void*
+
+
+/* We define this if link.h is available, because with ELF we use SVR4 style
+   shared libraries. */
+
+#ifdef HAVE_LINK_H
+#define SVR4_SHARED_LIBS
+#include "solib.h"		/* Support for shared libraries. */
+#endif
+
+/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'.  */
+#define FETCH_INFERIOR_REGISTERS
+
+/* Override child_resume in `infptrace.c'.  */
+#define CHILD_RESUME
+
+// extern int lin_lwp_prepare_to_proceed (void);
+#undef PREPARE_TO_PROCEED
+// #define PREPARE_TO_PROCEED(select_it) lin_lwp_prepare_to_proceed ()
+
+extern void lin_lwp_attach_lwp (ptid_t pid, int verbose);
+#define ATTACH_LWP(pid, verbose) lin_lwp_attach_lwp ((pid), (verbose))
+
+#include <signal.h>
+
+extern void lin_thread_get_thread_signals (sigset_t * mask);
+#define GET_THREAD_SIGNALS(mask) lin_thread_get_thread_signals (mask)
+
+#endif /* NM_X86_64.h */
diff --git a/gdb/config/i386/x86-64linux.mh b/gdb/config/i386/x86-64linux.mh
new file mode 100644
index 0000000..0bf1092
--- /dev/null
+++ b/gdb/config/i386/x86-64linux.mh
@@ -0,0 +1,11 @@
+# Host: AMD x86-64 running GNU/Linux
+
+XM_FILE= xm-i386.h
+XDEPFILES=
+
+NAT_FILE= nm-x86-64.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o \
+	core-aout.o i386-nat.o x86-64-nat.o x86-64-linux-nat.o \
+	i387-nat.o proc-service.o thread-db.o lin-lwp.o
+
+LOADLIBES = -ldl -rdynamic
diff --git a/gdb/config/i386/x86-64linux.mt b/gdb/config/i386/x86-64linux.mt
new file mode 100644
index 0000000..be6321a
--- /dev/null
+++ b/gdb/config/i386/x86-64linux.mt
@@ -0,0 +1,5 @@
+# Target: AMD x86-64 running GNU/Linux
+TDEPFILES= x86-64-tdep.o x86-64-linux-tdep.o i387-tdep.o dwarf2cfi.o \
+	solib.o solib-svr4.o solib-legacy.o
+
+GDBSERVER_DEPFILES= low-linux.o