git.gag.com Git - fw/sdcc/blob - support/cpp/i386/win-nt.h

   1 /* Operating system specific defines to be used when targeting GCC for
   2    Windows NT 3.x on an i386.
   3    Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   4    Contributed by Douglas B. Rupp (drupp@cs.washington.edu).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU CC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA. */
  22
  23 #define YES_UNDERSCORES
  24
  25 #include "i386/gas.h"
  26
  27 #ifdef CPP_PREDEFINES
  28 #undef CPP_PREDEFINES
  29 #endif
  30 #if 0
  31 /* The whole configuration system should be fixed; we really shouldn't
  32  * include this file at all.
  33  *
  34  * But at least let's not pretend we're Microsoft C version 8 running
  35  * on Windows NT, eh?
  36  */
  37 #define CPP_PREDEFINES "-Dunix -Di386 -DWIN32 -D_WIN32 \
  38   -DWINNT -D_M_IX86=300 -D_X86_=1 -D__STDC__=0 -DALMOST_STDC -D_MSC_VER=800 \
  39   -D__stdcall=__attribute__((__stdcall__)) \
  40   -D__cdecl=__attribute__((__cdecl__)) \
  41   -D_cdecl=__attribute__((__cdecl__)) \
  42   -Asystem(unix) -Asystem(winnt) -Acpu(i386) -Amachine(i386)"
  43 #else
  44 #define CPP_PREDEFINES "-DSDCC"
  45 #endif
  46 #define SIZE_TYPE "unsigned int"
  47 #define PTRDIFF_TYPE "int"
  48 #define WCHAR_UNSIGNED 1
  49 #define WCHAR_TYPE_SIZE 16
  50 #define WCHAR_TYPE "short unsigned int"
  51 #undef LONG_DOUBLE_TYPE_SIZE
  52 #define LONG_DOUBLE_TYPE_SIZE 64
  53 #define HAVE_ATEXIT 1
  54
  55 #undef EXTRA_SECTIONS
  56 #define EXTRA_SECTIONS in_ctor, in_dtor
  57
  58 #undef EXTRA_SECTION_FUNCTIONS
  59 #define EXTRA_SECTION_FUNCTIONS                                 \
  60   CTOR_SECTION_FUNCTION                                         \
  61   DTOR_SECTION_FUNCTION
  62
  63 #define CTOR_SECTION_FUNCTION                                   \
  64 void                                                            \
  65 ctor_section ()                                                 \
  66 {                                                               \
  67   if (in_section != in_ctor)                                    \
  68     {                                                           \
  69       fprintf (asm_out_file, "\t.section .ctor\n");             \
  70       in_section = in_ctor;                                     \
  71     }                                                           \
  72 }
  73
  74 #define DTOR_SECTION_FUNCTION                                   \
  75 void                                                            \
  76 dtor_section ()                                                 \
  77 {                                                               \
  78   if (in_section != in_dtor)                                    \
  79     {                                                           \
  80       fprintf (asm_out_file, "\t.section .dtor\n");             \
  81       in_section = in_dtor;                                     \
  82     }                                                           \
  83 }
  84
  85 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)       \
  86   do {                                          \
  87     ctor_section ();                            \
  88     fprintf (FILE, "%s\t", ASM_LONG);           \
  89     assemble_name (FILE, NAME);                 \
  90     fprintf (FILE, "\n");                       \
  91   } while (0)
  92
  93 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)        \
  94   do {                                          \
  95     dtor_section ();                            \
  96     fprintf (FILE, "%s\t", ASM_LONG);           \
  97     assemble_name (FILE, NAME);                 \
  98     fprintf (FILE, "\n");                       \
  99   } while (0)
 100
 101 /* Define this macro if references to a symbol must be treated
 102    differently depending on something about the variable or
 103    function named by the symbol (such as what section it is in).
 104
 105    On i386, if using PIC, mark a SYMBOL_REF for a non-global symbol
 106    so that we may access it directly in the GOT.
 107
 108    On i386 running Windows NT, modify the assembler name with a suffix
 109    consisting of an atsign (@) followed by string of digits that represents
 110    the number of bytes of arguments passed to the function, if it has the
 111    attribute STDCALL. */
 112
 113 #ifdef ENCODE_SECTION_INFO
 114 #undef ENCODE_SECTION_INFO
 115 #define ENCODE_SECTION_INFO(DECL)                                       \
 116 do                                                                      \
 117   {                                                                     \
 118     if (flag_pic)                                                       \
 119       {                                                                 \
 120         rtx rtl = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd'            \
 121                    ? TREE_CST_RTL (DECL) : DECL_RTL (DECL));            \
 122         SYMBOL_REF_FLAG (XEXP (rtl, 0))                                 \
 123           = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd'                  \
 124              || ! TREE_PUBLIC (DECL));                                  \
 125       }                                                                 \
 126     if (TREE_CODE (DECL) == FUNCTION_DECL)                              \
 127       if (lookup_attribute ("stdcall",                                  \
 128                             TYPE_ATTRIBUTES (TREE_TYPE (DECL))))        \
 129         XEXP (DECL_RTL (DECL), 0) =                                     \
 130           gen_rtx (SYMBOL_REF, Pmode, gen_stdcall_suffix (DECL));       \
 131   }                                                                     \
 132 while (0)
 133 #endif
 134
 135 /* The global __fltused is necessary to cause the printf/scanf routines
 136    for outputting/inputting floating point numbers to be loaded.  Since this
 137    is kind of hard to detect, we just do it all the time. */
 138
 139 #ifdef ASM_FILE_START
 140 #undef ASM_FILE_START
 141 #endif
 142 #define ASM_FILE_START(FILE) \
 143   do {  fprintf (FILE, "\t.file\t");                            \
 144         output_quoted_string (FILE, dump_base_name);            \
 145         fprintf (FILE, "\n");                                   \
 146         fprintf (FILE, ".global\t__fltused\n");                 \
 147   } while (0)
 148
 149 /* if the switch "-mwindows" is passed to ld, then specify to the Microsoft
 150    linker the proper switches and libraries to build a graphical program */
 151
 152 #undef LIB_SPEC
 153 #define LIB_SPEC "%{mwindows:-subsystem windows -e _WinMainCRTStartup \
 154   USER32.LIB%s GDI32.LIB%s COMDLG32.LIB%s WINSPOOL.LIB%s} \
 155  %{!mwindows:-subsystem console -e _mainCRTStartup} \
 156  %{mcrtmt:LIBCMT.LIB%s KERNEL32.LIB%s ADVAPI32.LIB%s} \
 157  %{!mcrtmt:LIBC.LIB%s KERNEL32.LIB%s ADVAPI32.LIB%s} \
 158  %{v}"
 159
 160 #include "winnt/win-nt.h"
 161