Johns release

1 files changed, 152 insertions, 0 deletions

diff --git a/gdb/xm-symmetry.h b/gdb/xm-symmetry.h
new file mode 100644
index 0000000..c941cf0
--- /dev/null
+++ b/gdb/xm-symmetry.h
@@ -0,0 +1,152 @@
+/* Definitions to make GDB run on a Sequent Symmetry under dynix 3.0,
+   with Weitek 1167 and i387 support.
+   Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+GDB 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 1, or (at your option)
+any later version.
+
+GDB 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 GDB; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Symmetry version by Jay Vosburgh (uunet!sequent!fubar) */
+
+/* This machine doesn't have the siginterrupt call.  */
+#define NO_SIGINTERRUPT
+
+#define HAVE_WAIT_STRUCT
+
+/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */
+/* #define PTRACE_ATTACH XPT_DEBUG
+#define PTRACE_DETACH XPT_UNDEBUG
+#define ATTACH_DETACH  */
+
+#define HOST_BYTE_ORDER LITTLE_ENDIAN
+
+/* Get rid of any system-imposed stack limit if possible.  */
+
+#define SET_STACK_LIMIT_HUGE
+
+/* This is the amount to subtract from u.u_ar0
+   to get the offset in the core file of the register values.  */
+
+#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG))
+
+/* Compensate for lack of `vprintf' function.  */
+
+#define MISSING_VPRINTF
+
+/* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* We must fetch all the regs before storing, since we store all at once.  */
+
+#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
+
+/* Interface definitions for kernel debugger KDB.  */
+/* This doesn't work... */
+/* 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, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \
+  0, 0, SIGTRAP, SIGTRAP, 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)  \
+{ asm (".globl end");         \
+  asm ("movl $ end, %esp");      \
+  asm ("movl %ebp, $0"); }
+
+/* Push the frame pointer register on the stack.  */
+#define PUSH_FRAME_PTR        \
+  asm ("pushl %ebp");
+
+/* Copy the top-of-stack to the frame pointer register.  */
+#define POP_FRAME_PTR  \
+  asm ("movl (%esp), %ebp");
+
+/* 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("pushad"); }
+/*
+{ asm("pushl %eax"); \
+  asm("pushl %edx"); \
+  asm("pushl %ecx"); \
+  asm("pushl %st(0)"); \
+  asm("pushl %st(1)"); \
+  asm("pushl %ebx"); \
+  asm("pushl %esi"); \
+  asm("pushl %edi"); \
+  asm("pushl %st(2)"); \
+  asm("pushl %st(3)"); \
+  asm("pushl %st(4)"); \
+  asm("pushl %st(5)"); \
+  asm("pushl %st(6)"); \
+  asm("pushl %st(7)"); \
+  asm("pushl %esp"); \
+  asm("pushl %ebp"); \
+  asm("pushl %eip"); \
+  asm("pushl %eflags"); \
+  asm("pushl %fp1"); \
+  asm("pushl %fp2"); \
+  asm("pushl %fp3"); \
+  asm("pushl %fp4"); \
+  asm("pushl %fp5"); \
+  asm("pushl %fp6"); \
+  asm("pushl %fp7"); \
+  asm("pushl %fp8"); \ 
+  asm("pushl %fp9"); \
+  asm("pushl %fp10"); \
+  asm("pushl %fp11"); \
+  asm("pushl %fp12"); \
+  asm("pushl %fp13"); \
+  asm("pushl %fp14"); \
+  asm("pushl %fp15"); \
+  asm("pushl %fp16"); \
+  asm("pushl %fp17"); \
+  asm("pushl %fp18"); \
+  asm("pushl %fp19"); \
+  asm("pushl %fp20"); \
+  asm("pushl %fp21"); \
+  asm("pushl %fp22"); \ 
+  asm("pushl %fp23"); \
+  asm("pushl %fp24"); \
+  asm("pushl %fp25"); \
+  asm("pushl %fp26"); \
+  asm("pushl %fp27"); \
+  asm("pushl %fp28"); \
+  asm("pushl %fp29"); \
+  asm("pushl %fp30"); \
+  asm("pushl %fp31"); \
+}
+*/
+/* 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 ("popad"); }