gcc/config/i386/cygwin.h

   1 /* Operating system specific defines to be used when targeting GCC for
   2    hosting on Windows NT 3.x, using a Unix style C library and tools,
   3    as distinct from winnt.h, which is used to build GCC for use with a
   4    windows style library and tool set and uses the Microsoft tools.
   5    Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
   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, 59 Temple Place - Suite 330,
  22 Boston, MA 02111-1307, USA. */
  23
  24 #define YES_UNDERSCORES
  25
  26 #define DBX_DEBUGGING_INFO
  27 #define SDB_DEBUGGING_INFO
  28 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
  29
  30 #include "i386/gas.h"
  31 #include "dbxcoff.h"
  32
  33 /* Augment TARGET_SWITCHES with the cygwin/no-cygwin options. */
  34 #define MASK_WIN32 0x40000000 /* Use -lming32 interface */
  35 #define MASK_CYGWIN  0x20000000 /* Use -lcygwin interface */
  36 #define MASK_WINDOWS 0x10000000 /* Use windows interface */
  37 #define MASK_DLL     0x08000000 /* Use dll interface    */
  38 #define MASK_NOP_FUN_DLLIMPORT 0x20000 /* Ignore dllimport for functions */
  39
  40 #define TARGET_WIN32             (target_flags & MASK_WIN32)
  41 #define TARGET_CYGWIN            (target_flags & MASK_CYGWIN)
  42 #define TARGET_WINDOWS           (target_flags & MASK_WINDOWS)
  43 #define TARGET_DLL               (target_flags & MASK_DLL)
  44 #define TARGET_NOP_FUN_DLLIMPORT (target_flags & MASK_NOP_FUN_DLLIMPORT)
  45
  46 #undef  SUBTARGET_SWITCHES
  47 #define SUBTARGET_SWITCHES \
  48 { "cygwin",               MASK_CYGWIN, "Use the Cygwin interface" },  \
  49 { "no-cygwin",            MASK_WIN32, "Use the Mingw32 interface" }, \
  50 { "windows",              MASK_WINDOWS, "Create GUI application" }, \
  51 { "console",              -MASK_WINDOWS, "Create console application" }, \
  52 { "dll",                  MASK_DLL, "Generate code for a DLL" },     \
  53 { "nop-fun-dllimport",    MASK_NOP_FUN_DLLIMPORT, "Ignore dllimport for functions" }, \
  54 { "no-nop-fun-dllimport", -MASK_NOP_FUN_DLLIMPORT, "" },
  55
  56
  57 /* Support the __declspec keyword by turning them into attributes.
  58    We currently only support: dllimport and dllexport.
  59    Note that the current way we do this may result in a collision with
  60    predefined attributes later on.  This can be solved by using one attribute,
  61    say __declspec__, and passing args to it.  The problem with that approach
  62    is that args are not accumulated: each new appearance would clobber any
  63    existing args.  */
  64
  65 #ifdef CPP_PREDEFINES
  66 #undef CPP_PREDEFINES
  67 #endif
  68
  69 #define CPP_PREDEFINES "-Di386 -D_WIN32 \
  70   -DWINNT  -D_X86_=1 -D__STDC__=1\
  71   -D__stdcall=__attribute__((__stdcall__)) \
  72   -D__cdecl=__attribute__((__cdecl__)) \
  73   -D__declspec(x)=__attribute__((x)) \
  74   -Asystem(winnt) -Acpu(i386) -Amachine(i386)"
  75
  76 /* Normally, -lgcc is not needed since everything in it is in the DLL, but we
  77    want to allow things to be added to it when installing new versions of
  78    GCC without making a new CYGWIN.DLL, so we leave it.  Profiling is handled
  79    by calling the init function from the prologue. */
  80
  81 #undef STARTFILE_SPEC
  82 #define STARTFILE_SPEC "%{mdll: %{mno-cygwin:dllcrt1%O%s}} \
  83                         %{!mdll: %{!mno-cygwin:crt0%O%s} \
  84                                  %{mno-cygwin:crt1%O%s} %{pg:gcrt0%O%s}}"
  85
  86 #undef CPP_SPEC
  87 #define CPP_SPEC "-remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
  88   %{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__} \
  89   %{mno-cygwin:-iwithprefixbefore \
  90     ../../../../%(mingw_include_path)/include/mingw32 -D__MINGW32__=0.2}"
  91
  92 /* This macro defines names of additional specifications to put in the specs
  93    that can be used in various specifications like CC1_SPEC.  Its definition
  94    is an initializer with a subgrouping for each command option.
  95
  96    Each subgrouping contains a string constant, that defines the
  97    specification name, and a string constant that used by the GNU CC driver
  98    program.
  99
 100    Do not define this macro if it does not need to do anything.  */
 101
 102 #undef  SUBTARGET_EXTRA_SPECS
 103 #define SUBTARGET_EXTRA_SPECS                                           \
 104   { "mingw_include_path", DEFAULT_TARGET_MACHINE }
 105
 106 /* We have to dynamic link to get to the system DLLs.  All of libc, libm and
 107    the Unix stuff is in cygwin.dll.  The import library is called
 108    'libcygwin.a'.  For Windows applications, include more libraries, but
 109    always include kernel32.  We'd like to specific subsystem windows to
 110    ld, but that doesn't work just yet.  */
 111
 112 #undef LIB_SPEC
 113 #define LIB_SPEC "%{pg:-lgmon} \
 114                   %{!mno-cygwin:-lcygwin} \
 115                   %{mno-cygwin:-lmingw32 -lmoldname -lcrtdll} \
 116                   %{mwindows:-lgdi32 -lcomdlg32} \
 117                   -luser32 -lkernel32 -ladvapi32 -lshell32"
 118
 119 #define LINK_SPEC "%{mwindows:--subsystem windows} \
 120                    %{mconsole:--subsystem console} \
 121                    %{mdll:--dll -e _DllMainCRTStartup@12}"
 122
 123
 124 #define SIZE_TYPE "unsigned int"
 125 #define PTRDIFF_TYPE "int"
 126 #define WCHAR_UNSIGNED 1
 127 #define WCHAR_TYPE_SIZE 16
 128 #define WCHAR_TYPE "short unsigned int"
 129
 130 #define HAVE_ATEXIT 1
 131
 132 \f
 133 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
 134 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
 135
 136 /* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
 137    is a valid machine specific attribute for DECL.
 138    The attributes in ATTRIBUTES have previously been assigned to DECL.  */
 139 extern int i386_pe_valid_decl_attribute_p ();
 140
 141 #undef VALID_MACHINE_DECL_ATTRIBUTE
 142 #define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
 143   i386_pe_valid_decl_attribute_p (DECL, ATTRIBUTES, IDENTIFIER, ARGS)
 144
 145 /* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
 146    is a valid machine specific attribute for TYPE.
 147    The attributes in ATTRIBUTES have previously been assigned to TYPE.  */
 148
 149 #undef VALID_MACHINE_TYPE_ATTRIBUTE
 150 #define VALID_MACHINE_TYPE_ATTRIBUTE(TYPE, ATTRIBUTES, IDENTIFIER, ARGS) \
 151   i386_pe_valid_type_attribute_p (TYPE, ATTRIBUTES, IDENTIFIER, ARGS)
 152 extern int i386_pe_valid_type_attribute_p ();
 153
 154 extern union tree_node *i386_pe_merge_decl_attributes ();
 155 #define MERGE_MACHINE_DECL_ATTRIBUTES(OLD, NEW) \
 156   i386_pe_merge_decl_attributes ((OLD), (NEW))
 157
 158 /* Used to implement dllexport overriding dllimport semantics.  It's also used
 159    to handle vtables - the first pass won't do anything because
 160    DECL_CONTEXT (DECL) will be 0 so i386_pe_dll{ex,im}port_p will return 0.
 161    It's also used to handle dllimport override semantics.  */
 162 #if 0
 163 #define REDO_SECTION_INFO_P(DECL) \
 164   ((DECL_MACHINE_ATTRIBUTES (DECL) != NULL_TREE) \
 165    || (TREE_CODE (DECL) == VAR_DECL && DECL_VIRTUAL_P (DECL)))
 166 #else
 167 #define REDO_SECTION_INFO_P(DECL) 1
 168 #endif
 169
 170 \f
 171 #undef EXTRA_SECTIONS
 172 #define EXTRA_SECTIONS in_ctor, in_dtor, in_drectve
 173
 174 #undef EXTRA_SECTION_FUNCTIONS
 175 #define EXTRA_SECTION_FUNCTIONS                                 \
 176   CTOR_SECTION_FUNCTION                                         \
 177   DTOR_SECTION_FUNCTION                                         \
 178   DRECTVE_SECTION_FUNCTION                                      \
 179   SWITCH_TO_SECTION_FUNCTION
 180
 181 #define CTOR_SECTION_FUNCTION                                   \
 182 void                                                            \
 183 ctor_section ()                                                 \
 184 {                                                               \
 185   if (in_section != in_ctor)                                    \
 186     {                                                           \
 187       fprintf (asm_out_file, "\t.section .ctor\n");             \
 188       in_section = in_ctor;                                     \
 189     }                                                           \
 190 }
 191
 192 #define DTOR_SECTION_FUNCTION                                   \
 193 void                                                            \
 194 dtor_section ()                                                 \
 195 {                                                               \
 196   if (in_section != in_dtor)                                    \
 197     {                                                           \
 198       fprintf (asm_out_file, "\t.section .dtor\n");             \
 199       in_section = in_dtor;                                     \
 200     }                                                           \
 201 }
 202
 203 #define DRECTVE_SECTION_FUNCTION \
 204 void                                                                    \
 205 drectve_section ()                                                      \
 206 {                                                                       \
 207   if (in_section != in_drectve)                                         \
 208     {                                                                   \
 209       fprintf (asm_out_file, "%s\n", "\t.section .drectve\n");          \
 210       in_section = in_drectve;                                          \
 211     }                                                                   \
 212 }
 213
 214 /* Switch to SECTION (an `enum in_section').
 215
 216    ??? This facility should be provided by GCC proper.
 217    The problem is that we want to temporarily switch sections in
 218    ASM_DECLARE_OBJECT_NAME and then switch back to the original section
 219    afterwards.  */
 220 #define SWITCH_TO_SECTION_FUNCTION                              \
 221 void                                                            \
 222 switch_to_section (section, decl)                               \
 223      enum in_section section;                                   \
 224      tree decl;                                                 \
 225 {                                                               \
 226   switch (section)                                              \
 227     {                                                           \
 228       case in_text: text_section (); break;                     \
 229       case in_data: data_section (); break;                     \
 230       case in_named: named_section (decl, NULL, 0); break;      \
 231       case in_ctor: ctor_section (); break;                     \
 232       case in_dtor: dtor_section (); break;                     \
 233       case in_drectve: drectve_section (); break;               \
 234       default: abort (); break;                                 \
 235     }                                                           \
 236 }
 237
 238 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)       \
 239   do {                                          \
 240     ctor_section ();                            \
 241     fprintf (FILE, "%s\t", ASM_LONG);           \
 242     assemble_name (FILE, NAME);                 \
 243     fprintf (FILE, "\n");                       \
 244   } while (0)
 245
 246 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)        \
 247   do {                                          \
 248     dtor_section ();                            \
 249     fprintf (FILE, "%s\t", ASM_LONG);           \
 250     assemble_name (FILE, NAME);                 \
 251     fprintf (FILE, "\n");                       \
 252   } while (0)
 253
 254 /* Don't allow flag_pic to propagate since gas may produce invalid code
 255    otherwise. */
 256
 257 #undef  SUBTARGET_OVERRIDE_OPTIONS
 258 #define SUBTARGET_OVERRIDE_OPTIONS                                      \
 259 do {                                                                    \
 260   if (flag_pic)                                                         \
 261     {                                                                   \
 262       warning ("-f%s ignored for target (all code is position independent)",\
 263                (flag_pic > 1) ? "PIC" : "pic");                         \
 264       flag_pic = 0;                                                     \
 265     }                                                                   \
 266 } while (0)                                                             \
 267
 268 /* Define this macro if references to a symbol must be treated
 269    differently depending on something about the variable or
 270    function named by the symbol (such as what section it is in).
 271
 272    On i386 running Windows NT, modify the assembler name with a suffix
 273    consisting of an atsign (@) followed by string of digits that represents
 274    the number of bytes of arguments passed to the function, if it has the
 275    attribute STDCALL.
 276
 277    In addition, we must mark dll symbols specially. Definitions of
 278    dllexport'd objects install some info in the .drectve section.
 279    References to dllimport'd objects are fetched indirectly via
 280    _imp__.  If both are declared, dllexport overrides.  This is also
 281    needed to implement one-only vtables: they go into their own
 282    section and we need to set DECL_SECTION_NAME so we do that here.
 283    Note that we can be called twice on the same decl.  */
 284
 285 extern void i386_pe_encode_section_info ();
 286
 287 #ifdef ENCODE_SECTION_INFO
 288 #undef ENCODE_SECTION_INFO
 289 #endif
 290 #define ENCODE_SECTION_INFO(DECL) i386_pe_encode_section_info (DECL)
 291
 292 /* Utility used only in this file.  */
 293 #define I386_PE_STRIP_ENCODING(SYM_NAME) \
 294   ((SYM_NAME) + ((SYM_NAME)[0] == '@' ? 3 : 0))
 295
 296 /* This macro gets just the user-specified name
 297    out of the string in a SYMBOL_REF.  Discard
 298    trailing @[NUM] encoded by ENCODE_SECTION_INFO.  */
 299 #undef  STRIP_NAME_ENCODING
 300 #define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME)                            \
 301 do {                                                                    \
 302   char *_p;                                                             \
 303   char *_name = I386_PE_STRIP_ENCODING (SYMBOL_NAME);                   \
 304   for (_p = _name; *_p && *_p != '@'; ++_p)                             \
 305     ;                                                                   \
 306   if (*_p == '@')                                                       \
 307     {                                                                   \
 308       int _len = _p - _name;                                            \
 309       (VAR) = (char *) alloca (_len + 1);                               \
 310       strncpy ((VAR), _name, _len);                                     \
 311       (VAR)[_len] = '\0';                                               \
 312     }                                                                   \
 313   else                                                                  \
 314     (VAR) = _name;                                                      \
 315 } while (0)
 316
 317 \f
 318 /* Output a reference to a label.  */
 319 #undef ASM_OUTPUT_LABELREF
 320 #define ASM_OUTPUT_LABELREF(STREAM, NAME)               \
 321   fprintf (STREAM, "%s%s", USER_LABEL_PREFIX,           \
 322            I386_PE_STRIP_ENCODING (NAME))               \
 323
 324 /* Output a common block.  */
 325 #undef ASM_OUTPUT_COMMON
 326 #define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED)  \
 327 do {                                                    \
 328   if (i386_pe_dllexport_name_p (NAME))                  \
 329     {                                                   \
 330       drectve_section ();                               \
 331       fprintf ((STREAM), "\t.ascii \" -export:%s\"\n",  \
 332                I386_PE_STRIP_ENCODING (NAME));          \
 333     }                                                   \
 334   if (! i386_pe_dllimport_name_p (NAME))                \
 335     {                                                   \
 336       fprintf ((STREAM), "\t.comm\t");                  \
 337       assemble_name ((STREAM), (NAME));                 \
 338       fprintf ((STREAM), ", %d\t%s %d\n",               \
 339                (ROUNDED), ASM_COMMENT_START, (SIZE));   \
 340     }                                                   \
 341 } while (0)
 342
 343 /* Output the label for an initialized variable.  */
 344 #undef ASM_DECLARE_OBJECT_NAME
 345 #define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL)     \
 346 do {                                                    \
 347   if (i386_pe_dllexport_name_p (NAME))                  \
 348     {                                                   \
 349       enum in_section save_section = in_section;        \
 350       drectve_section ();                               \
 351       fprintf ((STREAM), "\t.ascii \" -export:%s\"\n",  \
 352                I386_PE_STRIP_ENCODING (NAME));          \
 353       switch_to_section (save_section, (DECL));         \
 354     }                                                   \
 355   ASM_OUTPUT_LABEL ((STREAM), (NAME));                  \
 356 } while (0)
 357
 358 \f
 359 /* Emit code to check the stack when allocating more that 4000
 360    bytes in one go. */
 361
 362 #define CHECK_STACK_LIMIT 4000
 363
 364 /* By default, target has a 80387, uses IEEE compatible arithmetic,
 365    and returns float values in the 387 and needs stack probes */
 366 #undef TARGET_DEFAULT
 367
 368 #define TARGET_DEFAULT \
 369    (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE)
 370
 371 /* This is how to output an assembler line
 372    that says to advance the location counter
 373    to a multiple of 2**LOG bytes.  */
 374
 375 #undef ASM_OUTPUT_ALIGN
 376 #define ASM_OUTPUT_ALIGN(FILE,LOG)      \
 377     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
 378
 379 /* Define this macro if in some cases global symbols from one translation
 380    unit may not be bound to undefined symbols in another translation unit
 381    without user intervention.  For instance, under Microsoft Windows
 382    symbols must be explicitly imported from shared libraries (DLLs).  */
 383 #define MULTIPLE_SYMBOL_SPACES
 384
 385 #define UNIQUE_SECTION_P(DECL) DECL_ONE_ONLY (DECL)
 386 extern void i386_pe_unique_section ();
 387 #define UNIQUE_SECTION(DECL,RELOC) i386_pe_unique_section (DECL, RELOC)
 388
 389 #define SUPPORTS_ONE_ONLY 1
 390
 391 /* A C statement to output something to the assembler file to switch to section
 392    NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
 393    NULL_TREE.  Some target formats do not support arbitrary sections.  Do not
 394    define this macro in such cases.  */
 395 #undef ASM_OUTPUT_SECTION_NAME
 396 #define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC)              \
 397 do {                                                                    \
 398   static struct section_info                                            \
 399     {                                                                   \
 400       struct section_info *next;                                        \
 401       char *name;                                                       \
 402       enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type;                \
 403     } *sections;                                                        \
 404   struct section_info *s;                                               \
 405   char *mode;                                                           \
 406   enum sect_enum type;                                                  \
 407                                                                         \
 408   for (s = sections; s; s = s->next)                                    \
 409     if (!strcmp (NAME, s->name))                                        \
 410       break;                                                            \
 411                                                                         \
 412   if (DECL && TREE_CODE (DECL) == FUNCTION_DECL)                        \
 413     type = SECT_EXEC, mode = "x";                                       \
 414   else if (DECL && DECL_READONLY_SECTION (DECL, RELOC))                 \
 415     type = SECT_RO, mode = "";                                          \
 416   else                                                                  \
 417     type = SECT_RW, mode = "w";                                         \
 418                                                                         \
 419   if (s == 0)                                                           \
 420     {                                                                   \
 421       s = (struct section_info *) xmalloc (sizeof (struct section_info)); \
 422       s->name = xmalloc ((strlen (NAME) + 1) * sizeof (*NAME));         \
 423       strcpy (s->name, NAME);                                           \
 424       s->type = type;                                                   \
 425       s->next = sections;                                               \
 426       sections = s;                                                     \
 427       fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode);            \
 428       /* Functions may have been compiled at various levels of          \
 429          optimization so we can't use `same_size' here.  Instead,       \
 430          have the linker pick one.  */                                  \
 431       if ((DECL) && DECL_ONE_ONLY (DECL))                               \
 432         fprintf (STREAM, "\t.linkonce %s\n",                            \
 433                  TREE_CODE (DECL) == FUNCTION_DECL                      \
 434                  ? "discard" : "same_size");                            \
 435     }                                                                   \
 436   else                                                                  \
 437     {                                                                   \
 438       fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode);            \
 439     }                                                                   \
 440 } while (0)
 441
 442 /* Write the extra assembler code needed to declare a function
 443    properly.  If we are generating SDB debugging information, this
 444    will happen automatically, so we only need to handle other cases.  */
 445 #undef ASM_DECLARE_FUNCTION_NAME
 446 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)                     \
 447   do                                                                    \
 448     {                                                                   \
 449       if (i386_pe_dllexport_name_p (NAME))                              \
 450         {                                                               \
 451           drectve_section ();                                           \
 452           fprintf ((FILE), "\t.ascii \" -export:%s\"\n",                \
 453                    I386_PE_STRIP_ENCODING (NAME));                      \
 454           function_section (DECL);                                      \
 455         }                                                               \
 456       if (write_symbols != SDB_DEBUG)                                   \
 457         i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \
 458       ASM_OUTPUT_LABEL (FILE, NAME);                                    \
 459     }                                                                   \
 460   while (0)
 461
 462 /* Add an external function to the list of functions to be declared at
 463    the end of the file.  */
 464 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)                           \
 465   do                                                                    \
 466     {                                                                   \
 467       if (TREE_CODE (DECL) == FUNCTION_DECL)                            \
 468         i386_pe_record_external_function (NAME);                        \
 469     }                                                                   \
 470   while (0)
 471
 472 /* Declare the type properly for any external libcall.  */
 473 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
 474   i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1)
 475
 476 /* Output function declarations at the end of the file.  */
 477 #define ASM_FILE_END(FILE) \
 478   i386_pe_asm_file_end (FILE)
 479
 480 #undef ASM_COMMENT_START
 481 #define ASM_COMMENT_START " #"
 482
 483 /* DWARF2 Unwinding doesn't work with exception handling yet. */
 484 #define DWARF2_UNWIND_INFO 0
 485
 486 /* Don't assume anything about the header files. */
 487 #define NO_IMPLICIT_EXTERN_C
 488
 489 #define SUBTARGET_PROLOGUE                                              \
 490   if (profile_flag                                                      \
 491       && strcmp (IDENTIFIER_POINTER (DECL_NAME (current_function_decl)),\
 492                  "main") == 0)                                          \
 493      {                                                                  \
 494       rtx xops[1];                                                      \
 495       xops[0] = gen_rtx_MEM (FUNCTION_MODE,                             \
 496                          gen_rtx (SYMBOL_REF, Pmode, "_monstartup"));   \
 497       if (do_rtl)                                                       \
 498         emit_call_insn (gen_rtx (CALL, VOIDmode, xops[0], const0_rtx)); \
 499       else                                                              \
 500         output_asm_insn (AS1 (call,%P1), xops);                 \
 501      }
 502
 503 /* External function declarations.  */
 504
 505 #ifndef PROTO
 506 #if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
 507 #define PROTO(ARGS) ARGS
 508 #else
 509 #define PROTO(ARGS) ()
 510 #endif
 511 #endif
 512
 513 #ifdef BUFSIZ           /* stdio.h has been included, ok to use FILE * */
 514 #define STDIO_PROTO(ARGS) PROTO(ARGS)
 515 #else
 516 #define STDIO_PROTO(ARGS) ()
 517 #endif
 518
 519 extern void i386_pe_record_external_function PROTO((char *));
 520 extern void i386_pe_declare_function_type STDIO_PROTO((FILE *, char *, int));
 521 extern void i386_pe_asm_file_end STDIO_PROTO((FILE *));
 522
 523 /* For Win32 ABI compatibility */
 524 #undef DEFAULT_PCC_STRUCT_RETURN
 525 #define DEFAULT_PCC_STRUCT_RETURN 0
 526
 527 /* No data type wants to be aligned rounder than this.  */
 528 #undef  BIGGEST_ALIGNMENT
 529 #define BIGGEST_ALIGNMENT 128
 530
 531 /* A bitfield declared as `int' forces `int' alignment for the struct.  */
 532 #undef PCC_BITFIELDS_TYPE_MATTERS
 533 #define PCC_BITFIELDS_TYPE_MATTERS 0
 534