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Annotation of gcc/config/rs6000/lynx.h, revision 1.1

1.1     ! root        1: /* Definitions for Rs6000 running LynxOS.
        !             2:    Copyright (C) 1995 Free Software Foundation, Inc.
        !             3:    Contributed by David Henkel-Wallace, Cygnus Support ([email protected])
        !             4: 
        !             5: This file is part of GNU CC.
        !             6: 
        !             7: GNU CC is free software; you can redistribute it and/or modify
        !             8: it under the terms of the GNU General Public License as published by
        !             9: the Free Software Foundation; either version 2, or (at your option)
        !            10: any later version.
        !            11: 
        !            12: GNU CC is distributed in the hope that it will be useful,
        !            13: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: GNU General Public License for more details.
        !            16: 
        !            17: You should have received a copy of the GNU General Public License
        !            18: along with GNU CC; see the file COPYING.  If not, write to
        !            19: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            20: Boston, MA 02111-1307, USA.  */
        !            21: 
        !            22: #include <lynx.h>
        !            23: 
        !            24: /* Definitions we want to override with those from rs6000.h: */
        !            25: #undef LIB_SPEC
        !            26: #undef PTRDIFF_TYPE
        !            27: #undef WCHAR_TYPE
        !            28: #undef WCHAR_TYPE_SIZE
        !            29: #undef ASM_FILE_START
        !            30: #undef EXTRA_SECTIONS
        !            31: #undef READONLY_DATA_SECTION
        !            32: #undef EXTRA_SECTION_FUNCTIONS
        !            33: #undef SELECT_RTX_SECTION
        !            34: #undef SELECT_SECTION
        !            35: #undef ASM_OUTPUT_LABELREF
        !            36: #undef ASM_OUTPUT_INTERNAL_LABEL
        !            37: #undef ASM_GENERATE_INTERNAL_LABEL
        !            38: #undef ASM_OUTPUT_COMMON
        !            39: #undef ASM_OUTPUT_LOCAL
        !            40: #undef ASM_OUTPUT_CONSTRUCTOR
        !            41: #undef ASM_OUTPUT_DESTRUCTOR
        !            42: #undef CTORS_SECTION_FUNCTION
        !            43: #undef DTORS_SECTION_FUNCTION
        !            44: 
        !            45: #undef SDB_DEBUGGING_INFO
        !            46: #undef DBX_DEBUGGING_INFO
        !            47: #undef PREFERRED_DEBUGGING_TYPE
        !            48: 
        !            49: #undef FUNCTION_PROFILER
        !            50: 
        !            51: #include <rs6000/rs6000.h>
        !            52: 
        !            53: /* LynxOS has signed chars, regardless of what most R/S 6000 systems do */
        !            54: #undef DEFAULT_SIGNED_CHAR
        !            55: #define DEFAULT_SIGNED_CHAR 1
        !            56: 
        !            57: #undef CPP_PREDEFINES
        !            58: #define CPP_PREDEFINES "-Acpu(rs6000) -Amachine(rs6000) -Asystem(lynx) -Asystem(unix) -DLynx -D_IBMR2 -Dunix -Drs6000 -Dlynx -DLYNX"
        !            59: 
        !            60: #undef LINK_SPEC
        !            61: #define LINK_SPEC "-T0x10001000 -H0x1000 -D0x20000000 -btextro -bhalt:4 -bnodelcsect -bnso -bro -bnoglink %{v} %{b*}"
        !            62: 
        !            63: #undef LIB_SPEC
        !            64: #define LIB_SPEC "%{mthreads:-L/lib/thread/}  \
        !            65:   %{msystem-v:-lc_v -lm.v}  \
        !            66:   %{!msystem-v:%{mposix:-lc_p} -lc -lm}"
        !            67: 
        !            68: #undef STARTFILE_SPEC
        !            69: #define STARTFILE_SPEC "%{p:%{mthreads:thread/pinit.o%s}%{!mthreads:pinit.o%s}}%{!p:%{msystem-v:vinit.o%s -e_start}%{!msystem-v:%{mthreads:thread/init.o%s}%{!mthreads:init.o%s}}}"
        !            70: 
        !            71: #undef ENDFILE_SPEC
        !            72: 
        !            73: /* This can become more refined as we have more powerpc options. */
        !            74: #undef ASM_SPEC
        !            75: #define ASM_SPEC "-u %{m601:-m601} %{power*:-m601}"
        !            76: 
        !            77: #undef SUBTARGET_SWITCHES
        !            78: #define SUBTARGET_SWITCHES \
        !            79:     {"threads",                MASK_THREADS},          \
        !            80:     {"posix",          MASK_POSIX},            \
        !            81:     {"system-v",       MASK_SYSTEM_V},
        !            82: 
        !            83: #undef SUBTARGET_OVERRIDE_OPTIONS
        !            84: #define SUBTARGET_OVERRIDE_OPTIONS \
        !            85: do {                                                           \
        !            86:   if (TARGET_SYSTEM_V && profile_flag)                         \
        !            87:     warning ("-msystem-v and -p are incompatible");            \
        !            88:   if (TARGET_SYSTEM_V && TARGET_THREADS)                       \
        !            89:     warning ("-msystem-v and -mthreads are incompatible");     \
        !            90: } while (0)
        !            91: 
        !            92: /* For collect2 */
        !            93: #define OBJECT_FORMAT_NONE
        !            94: #undef OBJECT_FORMAT_COFF
        !            95: #undef OBJECT_FORMAT_ROSE
        !            96: #undef MD_EXEC_PREFIX
        !            97: #undef REAL_LD_FILE_NAME
        !            98: #undef REAL_NM_FILE_NAME
        !            99: #undef REAL_STRIP_FILE_NAME
        !           100: 
        !           101: /* LynxOS doesn't have mcount. */
        !           102: #undef FUNCTION_PROFILER
        !           103: #define FUNCTION_PROFILER(file, profile_label_no)

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