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+/* Parameters for hosting on a Hewlett-Packard 9000/300, running bsd.
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993 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. */
+
+/*
+ * Configuration file for HP9000/300 series machine running
+ * University of Utah's 4.3bsd (or 4.4BSD) port. This is NOT for HP-UX.
+ * Problems to hpbsd-bugs@cs.utah.edu
+ */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#include <sys/param.h> /* For INT_MIN */
+
+/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */
+#define ONE_PROCESS_WRITETEXT
+
+extern char *strdup PARAMS ((const char *));
+
+/* Interface definitions for kernel debugger KDB. */
+
+/* Map machine fault codes into signal numbers.
+ First subtract 0, divide by 4, then index in a table.
+ Faults for which the entry in this table is 0
+ are not handled by KDB; the program's own trap handler
+ gets to handle then. */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE \
+{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
+ 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ SIGILL }
+
+/* Start running with a stack stretching from BEG to END.
+ BEG and END should be symbols meaningful to the assembler.
+ This is used only for kdb. */
+
+#define INIT_STACK(beg, end) \
+{ asm (".globl end"); \
+ asm ("movel #end, sp"); \
+ asm ("movel #0,a6"); }
+
+/* Push the frame pointer register on the stack. */
+#define PUSH_FRAME_PTR \
+ asm ("movel a6,sp@-");
+
+/* Copy the top-of-stack to the frame pointer register. */
+#define POP_FRAME_PTR \
+ asm ("movl sp@,a6");
+
+/* After KDB is entered by a fault, push all registers
+ that GDB thinks about (all NUM_REGS of them),
+ so that they appear in order of ascending GDB register number.
+ The fault code will be on the stack beyond the last register. */
+
+#define PUSH_REGISTERS \
+{ asm ("clrw -(sp)"); \
+ asm ("pea sp@(10)"); \
+ asm ("movem #0xfffe,sp@-"); }
+
+/* Assuming the registers (including processor status) have been
+ pushed on the stack in order of ascending GDB register number,
+ restore them and return to the address in the saved PC register. */
+
+#define POP_REGISTERS \
+{ asm ("subil #8,sp@(28)"); \
+ asm ("movem sp@,#0xffff"); \
+ asm ("rte"); }