--- /dev/null
+/* Definitions to make GDB run on a Sequent Symmetry under dynix 3.0,
+ with Weitek 1167 and i387 support.
+ Copyright 1986, 1987, 1989, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#ifdef _SEQUENT_
+/* ptx */
+#define PTRACE_READ_REGS(pid,regaddr) mptrace (XPT_RREGS, (pid), (regaddr), 0)
+#define PTRACE_WRITE_REGS(pid,regaddr) \
+ mptrace (XPT_WREGS, (pid), (regadddr), 0)
+#else
+/* dynix */
+#define PTRACE_READ_REGS(pid,regaddr) ptrace (XPT_RREGS, (pid), (regaddr), 0)
+#define PTRACE_WRITE_REGS(pid,regaddr) \
+ ptrace (XPT_WREGS, (pid), (regadddr), 0)
+#endif
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+#ifdef _SEQUENT_
+#define KERNEL_U_ADDR (0xffffe000) /* VA_UBLOCK */ /* ptx */
+#else
+#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) /* dynix */
+#endif