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tm-vms.h
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1990-03-14
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/* Output variables, constants and external declarations, for GNU compiler.
Copyright (C) 1988 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "tm-vax.h"
#undef CPP_PREDEFINES
#undef TARGET_VERSION
#undef TARGET_DEFAULT
#undef CALL_USED_REGISTERS
#undef MAYBE_VMS_FUNCTION_PROLOGUE
/* Predefine this in CPP because VMS limits the size of command options
and GNU CPP is not used on VMS except with GNU C. */
#define CPP_PREDEFINES "-Dvax -Dvms -DVMS -D__GNU__ -D__GNUC__"
/* By default, allow $ to be part of an identifier. */
#define DOLLARS_IN_IDENTIFIERS 1
#define TARGET_DEFAULT 1
#define TARGET_VERSION fprintf (stderr, " (vax vms)");
#define CALL_USED_REGISTERS {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1}
#define MAYBE_VMS_FUNCTION_PROLOGUE(FILE) \
{ extern char *current_function_name; \
if (!strcmp ("main", current_function_name)) \
fprintf(FILE, "\tjsb _c$main_args\n"); }
#define ASM_OUTPUT_EXTERNAL(FILE,DECL,NAME) \
{ if (DECL_INITIAL (DECL) == 0 && TREE_CODE (DECL) != FUNCTION_DECL) \
fprintf (FILE, ".comm _%s,0\n", NAME); }