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Annotation of gcc/config/i386sun.h, revision 1.1

1.1     ! root        1: /* Definitions for Intel 386 running SunOS 4.0.
        !             2:    Copyright (C) 1988 Free Software Foundation, Inc.
        !             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
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: #include "i386.h"
        !            22: 
        !            23: /* Use the Sun assembler syntax.  */
        !            24: 
        !            25: #include "sun386.h"
        !            26: 
        !            27: /* By default, target has a 80387.  */
        !            28: 
        !            29: #define TARGET_DEFAULT 1
        !            30: 
        !            31: /* Use crt0.o as a startup file.  */
        !            32: 
        !            33: #define STARTFILE_SPEC  \
        !            34:   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
        !            35: 
        !            36: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}\
        !            37: %{g:-lg} %{sun386:}"
        !            38: /* That last item is just to prevent a spurious error.  */
        !            39: 
        !            40: #undef LINK_SPEC
        !            41: #define LINK_SPEC "%{!e*:-e _start} -dc -dp %{g:-Bstatic} %{static:-Bstatic}"
        !            42: 
        !            43: /* Extra switches to give the assembler.  */
        !            44: 
        !            45: #define ASM_SPEC "-i386"
        !            46: 
        !            47: /* Specify predefined symbols in preprocessor.  */
        !            48: 
        !            49: #define CPP_PREDEFINES "-Dunix -Di386 -Dsun386 -Dsun"
        !            50: 
        !            51: /* Allow #sccs in preprocessor.  */
        !            52: 
        !            53: #define SCCS_DIRECTIVE
        !            54: 
        !            55: /* Output #ident as a .ident.  */
        !            56: 
        !            57: #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
        !            58: 
        !            59: /* We don't want to output SDB debugging information.  */
        !            60: 
        !            61: #undef SDB_DEBUGGING_INFO
        !            62: 
        !            63: /* We want to output DBX debugging information.  */
        !            64: 
        !            65: #define DBX_DEBUGGING_INFO
        !            66: 
        !            67: /* Implicit library calls should use memcpy, not bcopy, etc.  */
        !            68: 
        !            69: #define TARGET_MEM_FUNCTIONS
        !            70: 
        !            71: /* Force structure alignment to the type used for a bitfield.  */
        !            72: 
        !            73: #define PCC_BITFIELD_TYPE_MATTERS 1
        !            74: 
        !            75: /* Define how to find the value returned by a function.
        !            76:    VALTYPE is the data type of the value (as a tree).
        !            77:    If the precise function being called is known, FUNC is its FUNCTION_DECL;
        !            78:    otherwise, FUNC is 0.  */
        !            79: 
        !            80: #define VALUE_REGNO(MODE) \
        !            81:   (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
        !            82: 
        !            83: /* 1 if N is a possible register number for a function value. */
        !            84: 
        !            85: #define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
        !            86: 
        !            87: /* This is partly guess.  */
        !            88: 
        !            89: #undef DBX_REGISTER_NUMBER
        !            90: #define DBX_REGISTER_NUMBER(n) \
        !            91:   ((n) == 0 ? 11 : (n)  == 1 ? 9 : (n) == 2 ? 10 : (n) == 3 ? 8        \
        !            92:    : (n) == 4 ? 5 : (n) == 5 ? 4 : (n) == 6 ? 6 : (n))
        !            93: 
        !            94: /* Every debugger symbol must be in the text section.
        !            95:    Otherwise the assembler or the linker screws up.  */
        !            96: 
        !            97: #define DEBUG_SYMS_TEXT

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