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Annotation of GNUtools/cc/config/arm/riscix1-1.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.  ARM RISCiX 1.1x version.
        !             2:    Copyright (C) 1993 Free Software Foundation, Inc.
        !             3:    Contributed by Richard Earnshaw ([email protected]), based on original
        !             4:              work by Pieter `Tiggr' Schoenmakers ([email protected])
        !             5:              and Martin Simmons (@harleqn.co.uk).
        !             6: 
        !             7: This file is part of GNU CC.
        !             8: 
        !             9: GNU CC is free software; you can redistribute it and/or modify
        !            10: it under the terms of the GNU General Public License as published by
        !            11: the Free Software Foundation; either version 2, or (at your option)
        !            12: any later version.
        !            13: 
        !            14: GNU CC is distributed in the hope that it will be useful,
        !            15: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            17: GNU General Public License for more details.
        !            18: 
        !            19: You should have received a copy of the GNU General Public License
        !            20: along with GNU CC; see the file COPYING.  If not, write to
        !            21: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            22: 
        !            23: /* RISCix 1.1x is basically the same as 1.2x except that it doesn't have
        !            24:    symrename or atexit. */
        !            25: 
        !            26: /* Translation to find startup files.  On RISCiX boxes, gcrt0.o is in
        !            27:    /usr/lib.  */
        !            28: #define STARTFILE_SPEC  \
        !            29:   "%{pg:/usr/lib/gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
        !            30: 
        !            31: #ifndef CPP_PREDEFINES
        !            32: #define CPP_PREDEFINES  "-Darm -Driscix -Dunix -Asystem(unix) -Acpu(arm) -Amachine(arm)"
        !            33: #endif
        !            34: 
        !            35: #ifndef CPP_SPEC
        !            36: #define CPP_SPEC "%{m6:-D__arm6__} %{!ansi: -D_BSD_C}"
        !            37: #endif
        !            38: 
        !            39: /* Riscix 1.1 doesn't have X/OPEN support, so only accept -mbsd (but ignore
        !            40:    it).  
        !            41:    By not having -mxopen and -mno-symrename, we get warning messages,
        !            42:    but everything still compiles.  */
        !            43: /* None of these is actually used in cc1, so they modify bit 31 */
        !            44: #define ARM_EXTRA_TARGET_SWITCHES \
        !            45: {"bsd", 0x80000000}, 
        !            46: 
        !            47:     
        !            48: 
        !            49: /* Run-time Target Specification.  */
        !            50: #define TARGET_VERSION  \
        !            51:   fputs (" (ARM/RISCiX)", stderr);
        !            52: 
        !            53: /* This is used in ASM_FILE_START */
        !            54: #define ARM_OS_NAME "RISCiX"
        !            55: 
        !            56: #ifdef riscos
        !            57: #define TARGET_WHEN_DEBUGGING  3
        !            58: #else
        !            59: #define TARGET_WHEN_DEBUGGING  1
        !            60: #endif
        !            61: 
        !            62: /* 'char' is signed by default on RISCiX, unsigned on RISCOS.  */
        !            63: #ifdef riscos
        !            64: #define DEFAULT_SIGNED_CHAR  0
        !            65: #else
        !            66: #define DEFAULT_SIGNED_CHAR  1
        !            67: #endif
        !            68: 
        !            69: /* Define this if the target system supports the function atexit form the
        !            70:    ANSI C standard.  If this is not defined, and INIT_SECTION_ASM_OP is not
        !            71:    defined, a default exit function will be provided to support C++.  
        !            72:    The man page only describes on_exit, but atexit is also there.  
        !            73:    This seems to be missing in early versions. */
        !            74: /*#define HAVE_ATEXIT 1 */
        !            75: /* Some systems use __main in a way incompatible with its use in gcc, in these
        !            76:    cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
        !            77:    give the same symbol without quotes for an alternative entry point.  You
        !            78:    must define both, or niether. */
        !            79: #ifndef NAME__MAIN
        !            80: #define NAME__MAIN "__gccmain"
        !            81: #define SYMBOL__MAIN __gccmain
        !            82: #endif
        !            83: 
        !            84: #include "arm/arm.h"
        !            85: 
        !            86: /* The native RISCiX assembler does not support stabs of any kind; because
        !            87:    the native assembler is not used by the compiler, Acorn didn't feel it was
        !            88:    necessary to put them in!  */
        !            89: 
        !            90: #ifdef DBX_DEBUGGING_INFO
        !            91: #undef DBX_DEBUGGING_INFO
        !            92: #endif

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