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iris.h
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1994-02-06
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/* Definitions of target machine for GNU compiler. Iris version.
Copyright (C) 1991 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 2, 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. */
#define SGI_TARGET 1 /* inform other mips files this is SGI */
/* Names to predefine in the preprocessor for this target machine. */
#define CPP_PREDEFINES "-Dunix -Dmips -Dsgi -DSVR3 -Dhost_mips -DMIPSEB -DSYSTYPE_SYSV"
#define STARTFILE_SPEC "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
#define CPP_SPEC "\
%{!ansi:-D__EXTENSIONS__} -D_MIPSEB -D_SYSTYPE_SYSV \
%{.S: -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
%{.cc: -D_LANGUAGE_C_PLUS_PLUS} \
%{.cxx: -D_LANGUAGE_C_PLUS_PLUS} \
%{.C: -D_LANGUAGE_C_PLUS_PLUS} \
%{.m: -D_LANGUAGE_OBJECTIVE_C} \
%{!.S: %{!.cc: %{!.cxx: %{!.C: %{!.m: -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}}}}}"
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} crtn.o%s"
#define MACHINE_TYPE "Silicon Graphics Mips"
/* SGI Iris doesn't support -EB/-EL like other MIPS processors. */
#define ASM_SPEC "\
%{!mgas: \
%{!mrnames: %{!.s:-nocpp} %{.s: %{cpp} %{nocpp}}} \
%{pipe: %e-pipe is not supported.} \
%{mips1} %{mips2} %{mips3} \
%{O:-O2} %{O1:-O2} %{O2:-O2} %{O3:-O3} \
%{g} %{g0} %{g1} %{g2} %{g3} %{v} %{K}} \
%{G*}"
#define LINK_SPEC "\
%{G*} \
%{!mgas: %{mips1} %{mips2} %{mips3} \
%{bestGnum} %{shared} %{non_shared}}"
/* Always use 1 for .file number. I [meissner@osf.org] wonder why
IRIS needs this. */
#define SET_FILE_NUMBER() num_source_filenames = 1
/* Put out a label after a .loc. I [meissner@osf.org] wonder why
IRIS needs this. */
#define LABEL_AFTER_LOC(STREAM) fprintf (STREAM, "LM%d:\n", ++sym_lineno)
#define STACK_ARGS_ADJUST(SIZE) \
{ \
SIZE.constant += 4; \
if (SIZE.constant < 32) \
SIZE.constant = 32; \
}
/* Define this macro to control use of the character `$' in
identifier names. The value should be 0, 1, or 2. 0 means `$'
is not allowed by default; 1 means it is allowed by default if
`-traditional' is used; 2 means it is allowed by default provided
`-ansi' is not used. 1 is the default; there is no need to
define this macro in that case. */
#define DOLLARS_IN_IDENTIFIERS 0
/* Tell G++ not to create constructors or destructors with $'s in them. */
#define NO_DOLLAR_IN_LABEL 1
/* Specify size_t, ptrdiff_t, and wchar_t types. */
#define SIZE_TYPE "unsigned int"
#define PTRDIFF_TYPE "int"
#define WCHAR_TYPE "unsigned char"
#define WCHAR_TYPE_SIZE BITS_PER_UNIT
/* Generate calls to memcpy, etc., not bcopy, etc. */
#define TARGET_MEM_FUNCTIONS
/* Plain char is unsigned in the SGI compiler. */
#define DEFAULT_SIGNED_CHAR 0
#include "mips.h"