gcc/config/i386/nto.h

   1 /* Definitions for Intel 386 running QNX/Neutrino.
   2    Copyright (C) 2002-2018 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC 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 3, or (at your option)
   9 any later version.
  10
  11 GCC 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 GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #undef  DEFAULT_PCC_STRUCT_RETURN
  21 #define DEFAULT_PCC_STRUCT_RETURN 1
  22
  23 #undef TARGET_OS_CPP_BUILTINS
  24 #define TARGET_OS_CPP_BUILTINS()                \
  25   do                                            \
  26     {                                           \
  27         builtin_define ("__X86__");             \
  28         builtin_define ("__QNXNTO__");          \
  29         builtin_define ("__QNX__");             \
  30         builtin_define ("__ELF__");             \
  31         builtin_define ("__LITTLEENDIAN__");    \
  32         builtin_assert ("system=qnx");          \
  33         builtin_assert ("system=qnxnto");       \
  34         builtin_assert ("system=nto");          \
  35         builtin_assert ("system=unix");         \
  36     }                                           \
  37   while (0)
  38
  39 #undef THREAD_MODEL_SPEC
  40 #define THREAD_MODEL_SPEC "posix"
  41
  42 #ifdef CROSS_DIRECTORY_STRUCTURE
  43 #define SYSROOT_SUFFIX_SPEC "x86"
  44 #endif
  45
  46 #ifndef CROSS_DIRECTORY_STRUCTURE
  47 #undef MD_EXEC_PREFIX
  48 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
  49
  50 #undef MD_STARTFILE_PREFIX
  51 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
  52 #endif
  53
  54 #undef STARTFILE_SPEC
  55 #define STARTFILE_SPEC \
  56 "%{!shared: \
  57   %{!symbolic: \
  58     %{pg:mcrt1.o%s} \
  59     %{!pg:%{p:mcrt1.o%s} \
  60     %{!p:crt1.o%s}}}} \
  61 crti.o%s \
  62 %{fexceptions: crtbegin.o%s} \
  63 %{!fexceptions: %R/lib/crtbegin.o}"
  64
  65 #undef ENDFILE_SPEC
  66 #define ENDFILE_SPEC \
  67   "crtend.o%s crtn.o%s"
  68
  69 #undef LINK_SPEC
  70 #define LINK_SPEC \
  71   "%{h*} %{v:-V} \
  72    %{static:-dn -Bstatic} \
  73    %{shared:-G -dy -z text} \
  74    %{symbolic:-Bsymbolic -G -dy -z text} \
  75    %{G:-G} \
  76    %{YP,*} \
  77    %{!YP,*:%{p:-Y P,%R/lib} \
  78     %{!p:-Y P,%R/lib}} \
  79    %{Qy:} %{!Qn:-Qy} \
  80    -m i386nto \
  81    %{!shared: --dynamic-linker /usr/lib/ldqnx.so.2}"
  82
  83 #undef  LIB_SPEC
  84 #define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
  85
  86 #undef  ASM_SPEC
  87 #define ASM_SPEC ""
  88
  89 #undef SIZE_TYPE
  90 #define SIZE_TYPE "unsigned int"
  91
  92 #undef PTRDIFF_TYPE
  93 #define PTRDIFF_TYPE "int"
  94
  95 #undef WCHAR_TYPE
  96 #define WCHAR_TYPE "long unsigned int"
  97
  98 #undef WCHAR_TYPE_SIZE
  99 #define WCHAR_TYPE_SIZE BITS_PER_WORD
 100
 101 #define NO_IMPLICIT_EXTERN_C 1
 102
 103 #define TARGET_POSIX_IO
 104
 105 #undef DBX_REGISTER_NUMBER