PR target/84564
[official-gcc.git] / gcc / config / i386 / nto.h
blob339b0d1d8782c0f0f8c04bf34ae7fd5613628c73
1 /* Definitions for Intel 386 running QNX/Neutrino.
2 Copyright (C) 2002-2018 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #undef DEFAULT_PCC_STRUCT_RETURN
21 #define DEFAULT_PCC_STRUCT_RETURN 1
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)
39 #undef THREAD_MODEL_SPEC
40 #define THREAD_MODEL_SPEC "posix"
42 #ifdef CROSS_DIRECTORY_STRUCTURE
43 #define SYSROOT_SUFFIX_SPEC "x86"
44 #endif
46 #ifndef CROSS_DIRECTORY_STRUCTURE
47 #undef MD_EXEC_PREFIX
48 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
50 #undef MD_STARTFILE_PREFIX
51 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
52 #endif
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}"
65 #undef ENDFILE_SPEC
66 #define ENDFILE_SPEC \
67 "crtend.o%s crtn.o%s"
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}"
83 #undef LIB_SPEC
84 #define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
86 #undef ASM_SPEC
87 #define ASM_SPEC ""
89 #undef SIZE_TYPE
90 #define SIZE_TYPE "unsigned int"
92 #undef PTRDIFF_TYPE
93 #define PTRDIFF_TYPE "int"
95 #undef WCHAR_TYPE
96 #define WCHAR_TYPE "long unsigned int"
98 #undef WCHAR_TYPE_SIZE
99 #define WCHAR_TYPE_SIZE BITS_PER_WORD
101 #define NO_IMPLICIT_EXTERN_C 1
103 #define TARGET_POSIX_IO
105 #undef DBX_REGISTER_NUMBER