1 files changed, 123 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/gdbserver/linux-i386-low.c b/contrib/gdb/gdb/gdbserver/linux-i386-low.c
new file mode 100644
index 0000000..2a66efa
--- /dev/null
+++ b/contrib/gdb/gdb/gdbserver/linux-i386-low.c
@@ -0,0 +1,123 @@
+/* GNU/Linux/i386 specific low level interface, for the remote server for GDB.
+   Copyright 1995, 1996, 1998, 1999, 2000, 2001, 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"
+
+#ifdef HAVE_SYS_REG_H
+#include <sys/reg.h>
+#endif
+
+/* This module only supports access to the general purpose registers.  */
+
+int num_regs = 16;
+
+/* This stuff comes from i386-linux-nat.c.  */
+
+/* Mapping between the general-purpose registers in `struct user'
+   format and GDB's register array layout.  */
+int regmap[] = 
+{
+  EAX * 4, ECX * 4, EDX * 4, EBX * 4,
+  UESP * 4, EBP * 4, ESI * 4, EDI * 4,
+  EIP * 4, EFL * 4, CS * 4, SS * 4,
+  DS * 4, ES * 4, FS * 4, GS * 4
+};
+
+int
+cannot_store_register (int regno)
+{
+  return (regno >= num_regs);
+}
+
+int
+cannot_fetch_register (int regno)
+{
+  return (regno >= num_regs);
+}
+
+
+#ifdef HAVE_LINUX_REGSETS
+#include <sys/procfs.h>
+#include <sys/ptrace.h>
+
+static void
+i386_fill_gregset (void *buf)
+{
+  int i;
+
+  for (i = 0; i < num_regs; i++)
+    collect_register (i, ((char *) buf) + regmap[i]);
+
+  collect_register_by_name ("orig_eax", ((char *) buf) + ORIG_EAX * 4);
+}
+
+static void
+i386_store_gregset (void *buf)
+{
+  int i;
+
+  for (i = 0; i < num_regs; i++)
+    supply_register (i, ((char *) buf) + regmap[i]);
+
+  supply_register_by_name ("orig_eax", ((char *) buf) + ORIG_EAX * 4);
+}
+
+static void
+i386_fill_fpregset (void *buf)
+{
+  i387_cache_to_fsave (buf);
+}
+
+static void
+i386_store_fpregset (void *buf)
+{
+  i387_fsave_to_cache (buf);
+}
+
+static void
+i386_fill_fpxregset (void *buf)
+{
+  i387_cache_to_fxsave (buf);
+}
+
+static void
+i386_store_fpxregset (void *buf)
+{
+  i387_fxsave_to_cache (buf);
+}
+
+
+struct regset_info target_regsets[] = {
+  { PTRACE_GETREGS, PTRACE_SETREGS, sizeof (elf_gregset_t),
+    i386_fill_gregset, i386_store_gregset },
+#ifdef HAVE_PTRACE_GETFPXREGS
+  { PTRACE_GETFPXREGS, PTRACE_SETFPXREGS, sizeof (elf_fpxregset_t),
+    i386_fill_fpxregset, i386_store_fpxregset },
+#endif
+  { PTRACE_GETFPREGS, PTRACE_SETFPREGS, sizeof (elf_fpregset_t),
+    i386_fill_fpregset, i386_store_fpregset },
+  { 0, 0, -1, NULL, NULL }
+};
+
+#endif /* HAVE_LINUX_REGSETS */
+