gnu/dist/gcc4/gcc/config/i386/netware.h

   1 /* Core target definitions for GCC for Intel 80x86 running Netware.
   2    and using dwarf for the debugging format.
   3    Copyright (C) 1993, 1994, 2004 Free Software Foundation, Inc.
   4
   5    Written by David V. Henkel-Wallace (gumby@cygnus.com)
   6
   7 This file is part of GCC.
   8
   9 GCC 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 GCC 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 GCC; see the file COPYING.  If not, write to
  21 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  22 Boston, MA 02110-1301, USA.  */
  23
  24 #define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
  25
  26 #undef  CPP_SPEC
  27 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  28
  29 #undef  LIB_SPEC
  30 #define LIB_SPEC ""
  31
  32 /* Kinda useless, but what the hell */
  33 #undef  LINK_SPEC
  34 #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
  35                    %{b} \
  36                    %{Qy:} %{!Qn:-Qy}"
  37
  38 #undef  STARTFILE_SPEC
  39 #define STARTFILE_SPEC ""
  40
  41 #undef  ENDFILE_SPEC
  42 #define ENDFILE_SPEC ""
  43
  44 #undef  RELATIVE_PREFIX_NOT_LINKDIR
  45 #undef  LIBGCC_SPEC
  46
  47 #define TARGET_OS_CPP_BUILTINS()                                        \
  48   do                                                                    \
  49     {                                                                   \
  50         builtin_define_std ("IAPX386");                                 \
  51         builtin_define ("_M_IX86=300");                                 \
  52         builtin_define ("__netware__");                                 \
  53         builtin_assert ("system=netware");                              \
  54         builtin_define ("__ELF__");                                     \
  55         builtin_define ("__cdecl=__attribute__((__cdecl__))");          \
  56         builtin_define ("__stdcall=__attribute__((__stdcall__))");      \
  57         builtin_define ("__fastcall=__attribute__((__fastcall__))");    \
  58         if (!flag_iso)                                                  \
  59           {                                                             \
  60             builtin_define ("_cdecl=__attribute__((__cdecl__))");       \
  61             builtin_define ("_stdcall=__attribute__((__stdcall__))");   \
  62             builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
  63           }                                                             \
  64     }                                                                   \
  65   while (0)
  66
  67 #undef TARGET_CPU_DEFAULT
  68 #define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
  69
  70 /* By default, target has a 80387, uses IEEE compatible arithmetic,
  71    returns float values in the 387, and uses MSVC bit field layout. */
  72 #undef TARGET_SUBTARGET_DEFAULT
  73 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
  74         MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
  75
  76 #undef MATH_LIBRARY
  77 #define MATH_LIBRARY ""
  78
  79 /* Align doubles and long-longs in structures on qword boundaries.  */
  80 #undef BIGGEST_FIELD_ALIGNMENT
  81 #define BIGGEST_FIELD_ALIGNMENT 64
  82
  83 #undef DEFAULT_PCC_STRUCT_RETURN
  84 #define DEFAULT_PCC_STRUCT_RETURN 0
  85
  86 /* Implicit arguments pointing to aggregate return values are to be
  87    removed by the caller.  */
  88 #undef KEEP_AGGREGATE_RETURN_POINTER
  89 #define KEEP_AGGREGATE_RETURN_POINTER 1
  90
  91 #undef DBX_REGISTER_NUMBER
  92 #define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
  93
  94 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
  95 #define HANDLE_PRAGMA_PACK_PUSH_POP
  96
  97 /* Default structure packing is 1-byte. */
  98 #define TARGET_DEFAULT_PACK_STRUCT 1
  99
 100 #undef WCHAR_TYPE
 101 #define WCHAR_TYPE "short unsigned int"
 102
 103 #undef WCHAR_TYPE_SIZE
 104 #define WCHAR_TYPE_SIZE 16
 105
 106 #undef WINT_TYPE
 107 #define WINT_TYPE "int"
 108
 109 /* A C statement (sans semicolon) to output to the stdio stream
 110    FILE the assembler definition of uninitialized global DECL named
 111    NAME whose size is SIZE bytes and alignment is ALIGN bytes.
 112    Try to use asm_output_aligned_bss to implement this macro.  */
 113
 114 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
 115   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 116
 117 /* Handle special EH pointer encodings.  Absolute, pc-relative, and
 118    indirect are handled automatically.  */
 119 #define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
 120   do {                                                                  \
 121     if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)         \
 122       {                                                                 \
 123         fputs (ASM_LONG, FILE);                 \
 124         assemble_name (FILE, XSTR (ADDR, 0));                           \
 125         fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
 126         goto DONE;                                                      \
 127       }                                                                 \
 128   } while (0)
 129
 130 /* there is no TLS support in NLMs/on NetWare */
 131 #undef HAVE_AS_TLS
 132
 133 #define HAS_INIT_SECTION
 134 #undef  INIT_SECTION_ASM_OP
 135
 136 #define CTOR_LISTS_DEFINED_EXTERNALLY
 137
 138 #undef  READONLY_DATA_SECTION_ASM_OP
 139 #define READONLY_DATA_SECTION_ASM_OP    ".section\t.rodata"
 140
 141 /* Define this macro if references to a symbol must be treated
 142    differently depending on something about the variable or
 143    function named by the symbol (such as what section it is in).
 144
 145    On i386 running NetWare, modify the assembler name with an underscore (_)
 146    prefix and a suffix consisting of an atsign (@) followed by a string of
 147    digits that represents the number of bytes of arguments passed to the
 148    function, if it has the attribute STDCALL. Alternatively, if it has the
 149    REGPARM attribute, prefix it with an underscore (_), a digit representing
 150    the number of registers used, and an atsign (@). */
 151 void i386_nlm_encode_section_info (tree, rtx, int);
 152 const char *i386_nlm_strip_name_encoding (const char *);
 153 #undef TARGET_ENCODE_SECTION_INFO
 154 #define TARGET_ENCODE_SECTION_INFO  i386_nlm_encode_section_info
 155 #undef  TARGET_STRIP_NAME_ENCODING
 156 #define TARGET_STRIP_NAME_ENCODING  i386_nlm_strip_name_encoding