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gcc-2.7.2

/* Operating system specific defines to be used when targeting GCC for
   Windows NT 3.x on an i386.
   Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   Contributed by Douglas B. Rupp ([email protected]).

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */

#define YES_UNDERSCORES

#include "i386/gas.h"

#ifdef CPP_PREDEFINES
#undef CPP_PREDEFINES
#endif
#define CPP_PREDEFINES "-Dunix -Di386 -DWIN32 -D_WIN32 \
  -DWINNT -D_M_IX86=300 -D_X86_=1 -D__STDC__=0 -DALMOST_STDC -D_MSC_VER=800 \
  -D__stdcall=__attribute__((__stdcall__)) \
  -D__cdecl=__attribute__((__cdecl__)) \
  -D_cdecl=__attribute__((__cdecl__)) \
  -Asystem(unix) -Asystem(winnt) -Acpu(i386) -Amachine(i386)"

#define SIZE_TYPE "unsigned int"
#define PTRDIFF_TYPE "int"
#define WCHAR_UNSIGNED 1
#define WCHAR_TYPE_SIZE 16
#define WCHAR_TYPE "short unsigned int"
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
#define HAVE_ATEXIT 1

#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_ctor, in_dtor

#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS					\
  CTOR_SECTION_FUNCTION						\
  DTOR_SECTION_FUNCTION

#define CTOR_SECTION_FUNCTION					\
void								\
ctor_section ()							\
{								\
  if (in_section != in_ctor)					\
    {								\
      fprintf (asm_out_file, "\t.section .ctor\n");		\
      in_section = in_ctor;					\
    }								\
}

#define DTOR_SECTION_FUNCTION					\
void								\
dtor_section ()							\
{								\
  if (in_section != in_dtor)					\
    {								\
      fprintf (asm_out_file, "\t.section .dtor\n");		\
      in_section = in_dtor;					\
    }								\
}

#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)	\
  do {						\
    ctor_section ();				\
    fprintf (FILE, "%s\t", ASM_LONG);		\
    assemble_name (FILE, NAME);			\
    fprintf (FILE, "\n");			\
  } while (0)

#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)       	\
  do {						\
    dtor_section ();                   		\
    fprintf (FILE, "%s\t", ASM_LONG);		\
    assemble_name (FILE, NAME);              	\
    fprintf (FILE, "\n");			\
  } while (0)

/* Define this macro if references to a symbol must be treated
   differently depending on something about the variable or
   function named by the symbol (such as what section it is in).

   On i386, if using PIC, mark a SYMBOL_REF for a non-global symbol
   so that we may access it directly in the GOT.

   On i386 running Windows NT, modify the assembler name with a suffix 
   consisting of an atsign (@) followed by string of digits that represents
   the number of bytes of arguments passed to the function, if it has the 
   attribute STDCALL. */

#ifdef ENCODE_SECTION_INFO
#undef ENCODE_SECTION_INFO
#define ENCODE_SECTION_INFO(DECL) 					\
do									\
  {									\
    if (flag_pic)							\
      {									\
	rtx rtl = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd'		\
		   ? TREE_CST_RTL (DECL) : DECL_RTL (DECL));		\
	SYMBOL_REF_FLAG (XEXP (rtl, 0))					\
	  = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd'			\
	     || ! TREE_PUBLIC (DECL));					\
      }									\
    if (TREE_CODE (DECL) == FUNCTION_DECL) 				\
      if (lookup_attribute ("stdcall",					\
			    TYPE_ATTRIBUTES (TREE_TYPE (DECL))))	\
        XEXP (DECL_RTL (DECL), 0) = 					\
          gen_rtx (SYMBOL_REF, Pmode, gen_stdcall_suffix (DECL)); 	\
  }									\
while (0)
#endif

/* The global __fltused is necessary to cause the printf/scanf routines
   for outputting/inputting floating point numbers to be loaded.  Since this
   is kind of hard to detect, we just do it all the time. */

#ifdef ASM_FILE_START
#undef ASM_FILE_START
#endif
#define ASM_FILE_START(FILE) \
  do {	fprintf (FILE, "\t.file\t");				\
	output_quoted_string (FILE, dump_base_name);		\
	fprintf (FILE, "\n");					\
        fprintf (FILE, ".global\t__fltused\n");			\
  } while (0)

/* if the switch "-mwindows" is passed to ld, then specify to the Microsoft
   linker the proper switches and libraries to build a graphical program */

#undef LIB_SPEC
#define LIB_SPEC "%{mwindows:-subsystem windows -e _WinMainCRTStartup \
  USER32.LIB%s GDI32.LIB%s COMDLG32.LIB%s WINSPOOL.LIB%s} \
 %{!mwindows:-subsystem console -e _mainCRTStartup} \
 %{mcrtmt:LIBCMT.LIB%s KERNEL32.LIB%s ADVAPI32.LIB%s} \
 %{!mcrtmt:LIBC.LIB%s KERNEL32.LIB%s ADVAPI32.LIB%s} \
 %{v}"

#include "winnt/win-nt.h"

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