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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [pdp11/] [2bsd.h] - Blame information for rev 307

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1 38 julius
/* Definitions of target machine for GNU compiler, for a PDP with 2BSD
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   Copyright (C) 1995, 1996, 1999, 2000, 2007 Free Software Foundation, Inc.
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   Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#define TWO_BSD
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/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
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   the stack pointer does not matter.  The value is tested only in
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   functions that have frame pointers.
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   No definition is equivalent to always zero.  */
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#undef EXIT_IGNORE_STACK
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#define EXIT_IGNORE_STACK       1
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#undef INITIAL_FRAME_POINTER_OFFSET  
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#define INITIAL_FRAME_POINTER_OFFSET(DEPTH_VAR) \
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{                                                               \
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  int offset;                                           \
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  offset = get_frame_size();                                    \
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  offset = (offset <= 2)? 0: (offset -2);                        \
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  (DEPTH_VAR) = offset+10;                                              \
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}
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/* Value should be nonzero if functions must have frame pointers.
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   Zero means the frame pointer need not be set up (and parms
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   may be accessed via the stack pointer) in functions that seem suitable.
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   This is computed in `reload', in reload1.c.
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  */
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#undef FRAME_POINTER_REQUIRED 
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#define FRAME_POINTER_REQUIRED 1
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/* Offset within stack frame to start allocating local variables at.
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   If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
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   first local allocated.  Otherwise, it is the offset to the BEGINNING
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   of the first local allocated.  */
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#undef STARTING_FRAME_OFFSET
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#define STARTING_FRAME_OFFSET -8
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#undef ASM_DECLARE_FUNCTION_NAME
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#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)   \
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do {                                                    \
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ASM_OUTPUT_LABEL (STREAM, NAME);                        \
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fprintf (STREAM, "~~%s:\n", NAME);                      \
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} while (0)
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#undef TARGET_UNIX_ASM_DEFAULT
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#define TARGET_UNIX_ASM_DEFAULT MASK_UNIX_ASM

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