| /* Definitions of target machine for GNU compiler, for a PDP with 2BSD |
| Copyright (C) 1995, 1996, 1999, 2000 Free Software Foundation, Inc. |
| Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at). |
| |
| This file is part of GCC. |
| |
| GCC 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, or (at your option) |
| any later version. |
| |
| GCC 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 GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #define TWO_BSD |
| |
| /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, |
| the stack pointer does not matter. The value is tested only in |
| functions that have frame pointers. |
| No definition is equivalent to always zero. */ |
| |
| #undef EXIT_IGNORE_STACK |
| #define EXIT_IGNORE_STACK 1 |
| |
| #undef INITIAL_FRAME_POINTER_OFFSET |
| #define INITIAL_FRAME_POINTER_OFFSET(DEPTH_VAR) \ |
| { \ |
| int offset; \ |
| offset = get_frame_size(); \ |
| offset = (offset <= 2)? 0: (offset -2); \ |
| (DEPTH_VAR) = offset+10; \ |
| } |
| |
| /* Value should be nonzero if functions must have frame pointers. |
| Zero means the frame pointer need not be set up (and parms |
| may be accessed via the stack pointer) in functions that seem suitable. |
| This is computed in `reload', in reload1.c. |
| */ |
| |
| #undef FRAME_POINTER_REQUIRED |
| #define FRAME_POINTER_REQUIRED 1 |
| |
| /* Offset within stack frame to start allocating local variables at. |
| If FRAME_GROWS_DOWNWARD, this is the offset to the END of the |
| first local allocated. Otherwise, it is the offset to the BEGINNING |
| of the first local allocated. */ |
| #undef STARTING_FRAME_OFFSET |
| #define STARTING_FRAME_OFFSET -8 |
| |
| |
| #undef ASM_DECLARE_FUNCTION_NAME |
| #define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ |
| do { \ |
| ASM_OUTPUT_LABEL (STREAM, NAME); \ |
| fprintf (STREAM, "~~%s:\n", NAME); \ |
| } while (0) |
| |
| #undef TARGET_UNIX_ASM_DEFAULT |
| #define TARGET_UNIX_ASM_DEFAULT MASK_UNIX_ASM |