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Annotation of gcc/config/mips/xm-mips.h, revision 1.1.1.3

1.1       root        1: /* Configuration for GNU C-compiler for MIPS Rx000 family
1.1.1.2   root        2:    Copyright (C) 1989, 1990, 1991, 1993 Free Software Foundation, Inc.
1.1       root        3: 
                      4: This file is part of GNU CC.
                      5: 
                      6: GNU CC is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 2, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU CC is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU CC; see the file COPYING.  If not, write to
1.1.1.3 ! root       18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
1.1       root       20: 
                     21: 
                     22: /* #defines that need visibility everywhere.  */
                     23: #define FALSE 0
                     24: #define TRUE 1
                     25: 
                     26: /* This describes the machine the compiler is hosted on.  */
                     27: #define HOST_BITS_PER_CHAR 8
                     28: #define HOST_BITS_PER_SHORT 16
                     29: #define HOST_BITS_PER_INT 32
                     30: #define HOST_BITS_PER_LONG 32
                     31: #define HOST_BITS_PER_LONGLONG 64
                     32: 
                     33: #if !defined(MIPSEL) && !defined(__MIPSEL__)
                     34: #define HOST_WORDS_BIG_ENDIAN
                     35: #endif
                     36: 
                     37: /* Enable host-conditionals for MIPS machines.  */
                     38: #ifndef MIPS
                     39: #define MIPS 1
                     40: #endif
                     41: 
                     42: /* A code distinguishing the floating point format of the host
                     43:    machine.  There are three defined values: IEEE_FLOAT_FORMAT,
                     44:    VAX_FLOAT_FORMAT, and UNKNOWN_FLOAT_FORMAT.  */
                     45: 
                     46: #define HOST_FLOAT_FORMAT IEEE_FLOAT_FORMAT
                     47: 
                     48: /* target machine dependencies.
                     49:    tm.h is a symbolic link to the actual target specific file.   */
                     50: #include "tm.h"
                     51: 
                     52: /* Arguments to use with `exit'.  */
                     53: #define SUCCESS_EXIT_CODE 0
                     54: #define FATAL_EXIT_CODE 33
                     55: 
                     56: #ifndef __GNUC__
                     57: /* The MIPS compiler gets it wrong, and treats enumerated bitfields
                     58:    as signed quantities, making it impossible to use an 8-bit enum
                     59:    for compiling GNU C++.  */
                     60: #define ONLY_INT_FIELDS 1
                     61: #endif
                     62: 
                     63: #ifndef MIPS_OVERRIDE_ALLOCA
1.1.1.2   root       64: #ifndef __GNUC__
1.1       root       65: #define USE_C_ALLOCA
1.1.1.2   root       66: 
1.1       root       67: extern char * alloca ();
                     68: 
                     69: /* for the emacs version of alloca */
                     70: #define STACK_DIRECTION        -1
                     71: #endif
                     72: #endif /* not MIPS_OVERRIDE_ALLOCA */
                     73: 
                     74: /* Say if we have vprintf.  BSD Mips targets probably don't have vfprintf.  */
1.1.1.2   root       75: #if defined(__OSF1__) || defined(__OSF__) || defined(__osf__) || defined(bsd4_4)
                     76: #define HAVE_VPRINTF
1.1       root       77: #define HAVE_PUTENV
                     78: 
                     79: #else
                     80: #define NO_STAB_H              /* mips doesn't typically have stab.h */
                     81: #endif

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