2002-02-27 Daniel Jacobowitz <drow@mvista.com>

        * gdbserver/acconfig.h: New file.
        * gdbserver/i387-fp.c: New file.
        * gdbserver/i387-fp.h: New file.
        * gdbserver/linux-x86-64.c: New file.
        * regformats/reg-x86-64.dat: New file.
        * configure.tgt: Add x86_64-*-linux* gdbserver support.
        & gdbserver/configure.srv: Add x86_64-*-linux* and regset support.
        * gdbserver/configure.in: Add support for regsets.
        * gdbserver/config.in: Regenerate.
        * gdbserver/configure: Regenerate.
        * gdbserver/Makefile.in: Likewise.  Add $(linux_low_h).
        * gdbserver/linux-low.h: New file.
        * gdbserver/linux-low.c: Include "linux-low.h".  Add support
        for regsets.
        * gdbserver/linux-arm-low.c: Include "linux-low.h".
        * gdbserver/linux-ia64-low.c: Include "linux-low.h".
        * gdbserver/linux-m68k-low.c: Include "linux-low.h".
        * gdbserver/linux-mips-low.c: Include "linux-low.h".
        * gdbserver/linux-ppc-low.c: Include "linux-low.h".
        * gdbserver/linux-sh-low.c: Include "linux-low.h".
        * gdbserver/linux-i386-low.c: Include "linux-low.h".  Include
        "i387-fp.h".  Add PTRACE_GETREGS and friends.
        * gdbserver/regcache.c (supply_register): New function.
        (supply_register_by_name): New function.
        (collect_register): New function.
        (collect_register_by_name): New function.

1 files changed, 79 insertions, 0 deletions

diff --git a/gdb/gdbserver/linux-x86-64-low.c b/gdb/gdbserver/linux-x86-64-low.c
new file mode 100644
index 0000000..d176613
--- /dev/null
+++ b/gdb/gdbserver/linux-x86-64-low.c
@@ -0,0 +1,79 @@
+/* GNU/Linux/x86-64 specific low level interface, for the remote server
+   for GDB.
+   Copyright 2002
+   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 "i387-fp.h"
+
+#include <sys/reg.h>
+#include <sys/procfs.h>
+#include <sys/ptrace.h>
+
+static int regmap[] = {
+  RAX, RDX, RCX, RBX,
+  RSI, RDI, RBP, RSP,
+  R8, R9, R10, R11,
+  R12, R13, R14, R15,
+  RIP, EFLAGS
+};
+
+static void
+x86_64_fill_gregset (void *buf)
+{
+  int i;
+
+  for (i = 0; i < 18; i++)
+    collect_register (i, ((char *) buf) + regmap[i]);
+}
+
+static void
+x86_64_store_gregset (void *buf)
+{
+  int i;
+
+  for (i = 0; i < 18; i++)
+    supply_register (i, ((char *) buf) + regmap[i]);
+}
+
+static void
+x86_64_fill_fpregset (void *buf)
+{
+  i387_cache_to_fxsave (buf);
+}
+
+static void
+x86_64_store_fpregset (void *buf)
+{
+  i387_fxsave_to_cache (buf);
+}
+
+
+struct regset_info target_regsets[] = {
+  { PTRACE_GETREGS, PTRACE_SETREGS, sizeof (elf_gregset_t),
+    x86_64_fill_gregset, x86_64_store_gregset },
+  { PTRACE_GETFPREGS, PTRACE_SETFPREGS, sizeof (elf_fpregset_t),
+    x86_64_fill_fpregset, x86_64_store_fpregset },
+  { 0, 0, -1, NULL, NULL }
+};
+
+#endif /* HAVE_LINUX_REGSETS */
+