Improve release doc slightly.

[deliverable/binutils-gdb.git] / gdb / tm-vx68.h

diff --git a/gdb/tm-vx68.h b/gdb/tm-vx68.h
index a3cd7c22f629363df09d8d41452c06f04c15d770..bafbf28c04c688053e9e4f9449bd901c5aa7495c 100644 (file)
--- a/gdb/tm-vx68.h
+++ b/gdb/tm-vx68.h
@@ -1,34 +1,39 @@
-/* Parameters for execution on VxWorks 68k's, for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+/* Target machine description for VxWorks 68k's, for GDB, the GNU debugger.
+   Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
 
 This file is part of GDB.
 
-GDB is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
 
-GDB is distributed in the hope that it will be useful,
+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 GDB; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #define        GDBINIT_FILENAME        ".vxgdbinit"
 
 #define        DEFAULT_PROMPT          "(vxgdb) "
 
-/* Kludge... */
-#include "tm-sun3.h"
+#define HAVE_68881
 
 /* We have more complex, useful breakpoints on the target.  */
-#undef DECR_PC_AFTER_BREAK
 #define        DECR_PC_AFTER_BREAK     0
 
+#include "tm-68k.h"
+
+/* Define this if the C compiler puts an underscore at the front
+   of external names before giving them to the linker.  */
+
+#define NAMES_HAVE_UNDERSCORE
+
 /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
 #undef FRAME_CHAIN
 #undef FRAME_CHAIN_VALID
@@ -46,3 +51,33 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
    never fetched anything), we are at the top of the stack.  */
 
 #define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0)
+
+/* FIXME, Longjmp information stolen from Sun-3 config.  Dunno if right.  */
+/* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
+   documented in a comment in <machine/setjmp.h>! */
+
+#define JB_ELEMENT_SIZE 4
+
+#define JB_ONSSTACK 0
+#define JB_SIGMASK 1
+#define JB_SP 2
+#define JB_PC 3
+#define JB_PSL 4
+#define JB_D2 5
+#define JB_D3 6
+#define JB_D4 7
+#define JB_D5 8
+#define JB_D6 9
+#define JB_D7 10
+#define JB_A2 11
+#define JB_A3 12
+#define JB_A4 13
+#define JB_A5 14
+#define JB_A6 15
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)