First cut

1 files changed, 125 insertions, 0 deletions

diff --git a/gdb/xm-delta88.h b/gdb/xm-delta88.h
new file mode 100644
index 0000000..306e447
--- /dev/null
+++ b/gdb/xm-delta88.h
@@ -0,0 +1,125 @@
+/* Copyright (C) 1986, 1987, 1988, 1989, 1990 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.  */
+
+/* This is currently for a 88000 running DGUX.  If other 88k ports are
+   done, OS-specific stuff should be moved (see tm-68k.h, for example).  */
+/* g++ support is not yet included.  */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#if !defined (USG)
+#define USG 1
+#endif
+
+#define MAXPATHLEN 1024
+/* delta 88 doesn't have  bcopy(), etc.  */
+#define USG_UTILS 1
+
+#include <sys/param.h>
+#include <sys/time.h>
+
+#define vfork() fork()
+#define index strchr
+#define rindex strrchr
+#define getwd(BUF) getcwd(BUF,MAXPATHLEN);
+#define bzero(ptr,count) (memset((ptr),0,(count)))
+#define bcopy(src,dst,count) (memcpy((dst),(src),(count)))
+#define bcmp(left,right,count) (memcmp((right),(left),(count)))
+#if 0
+#ifdef __GNUC__
+#define memcpy __builtin_memcpy
+/* gcc doesn't have this, at least not gcc 1.92.  */
+/* #define memset __builtin_memset */
+#define strcmp __builtin_strcmp
+#endif
+#endif
+
+#define HAVE_TERMIO
+
+
+/*#define USIZE 2048*/
+#define NBPG NBPC
+#define UPAGES USIZE
+
+#define HAVE_GETPAGESIZE
+
+/* Get rid of any system-imposed stack limit if possible.  */
+
+/*#define SET_STACK_LIMIT_HUGE*/
+
+/* number of traps that happen between exec'ing the shell
+ * to run an inferior, and when we finally get to
+ * the inferior code.  This is 2 on most implementations.
+ */
+#define START_INFERIOR_TRAPS_EXPECTED 2
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+/* Since registers r0 through r31 are stored directly in the struct ptrace_user,
+   (for m88k BCS)
+   the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
+
+#define KERNEL_U_ADDR 0
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+        (addr) = m88k_register_u_addr ((blockend),(regno));
+
+#define HAVE_WAIT_STRUCT
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* 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, 0, 0, 0, 0, \
+  0, 0, 0, 0, 0, 0, 0, 0, \
+  0, 0, 0, 0, 0, 0, 0, 0}
+
+/* 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)  {}
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        {}
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  {}
+
+/* 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        {}
+
+/* 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      {}