RS/6000 portability changes (for hosting cross-debuggers).

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

diff --git a/gdb/tm-convex.h b/gdb/tm-convex.h
index 5a001f182bec1ba51fb867908cd3495a45053426..f0d236b1bd4df88c57bc1fd2a096ec9a82fcf1db 100644 (file)
--- a/gdb/tm-convex.h
+++ b/gdb/tm-convex.h
@@ -1,41 +1,29 @@
 /* Definitions to make GDB run on Convex Unix (4bsd)
-   Copyright (C) 1989 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1991 Free Software Foundation, Inc.
 
 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 TARGET_BYTE_ORDER BIG_ENDIAN
 
-/* I don't know if this will work for cross-debugging, even if you do get
-   the right files.  */
-/* Include certain files for dbxread.c  */
-#include <convex/filehdr.h>
-#include <convex/opthdr.h>
-#include <convex/scnhdr.h>
-#include <nlist.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
 
-/* Debugger information will be in DBX format.  */
-
-#define READ_DBX_FORMAT
-
 /* There is come problem with the debugging symbols generated by the
    compiler such that the debugging symbol for the first line of a
    function overlap with the function prologue.  */
@@ -302,33 +290,23 @@ extern struct value *value_of_trapped_internalvar ();
 
 /* Pcc occaisionally puts an SO where there should be an SOL.   */
 #define PCC_SOL_BROKEN
-
-/* Cannot execute with pc on the stack.  */
-#define CANNOT_EXECUTE_STACK
 \f
 /* Describe the pointer in each stack frame to the previous stack frame
    (its caller).  */
 
 /* FRAME_CHAIN takes a frame_info with a frame's nominal address in fi->frame,
-   and produces the frame's chain-pointer.
-
-   FRAME_CHAIN_COMBINE takes the chain pointer and the frame's nominal address
-   and produces the nominal address of the caller frame.
-
-   However, if FRAME_CHAIN_VALID returns zero,
-   it means the given frame is the outermost one and has no caller.
-   In that case, FRAME_CHAIN_COMBINE is not used.  */
+   and produces the frame's chain-pointer. */
 
 /* (caller fp is saved at 8(fp)) */
 
 #define FRAME_CHAIN(fi)   (read_memory_integer ((fi)->frame + 8, 4))
 
-#define FRAME_CHAIN_VALID(chain, thisframe) \
-  (chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe))))
+/* Define other aspects of the stack frame.  */
 
-#define FRAME_CHAIN_COMBINE(chain, thisframe) (chain)
+/* We need the boundaries of the text in the exec file, as a kludge,
+   for FRAMELESS_FUNCTION_INVOCATION and CALL_DUMMY_LOCATION. */
 
-/* Define other aspects of the stack frame.  */
+#define        NEED_TEXT_START_END
 
 /* A macro that tells us whether the function invocation represented
    by FI does not have a frame on the stack associated with it.  If it
@@ -451,6 +429,8 @@ extern struct value *value_of_trapped_internalvar ();
 \f
 /* Things needed for making the inferior call functions.  */
 
+#define        CALL_DUMMY_LOCATION     BEFORE_TEXT_END
+
 /* Push an empty stack frame, to record the current PC, etc.  */
 
 #define PUSH_DUMMY_FRAME \