Bring in all split-stack work done over on gccgo branch.
[official-gcc.git] / gcc / config / i386 / mingw-w64.h
blob3aafb933dd4304d610e8d58601098b8d203d69b1
1 /* Operating system specific defines to be used when targeting GCC for
2 hosting on Windows 32/64 via mingw-w64 runtime, using GNU tools and
3 the Windows API Library.
4 Copyright (C) 2009,
5 2009 Free Software Foundation, Inc.
7 This file is part of GCC.
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 3, or (at your option)
12 any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 /* Enable -municode feature. */
25 #undef CPP_SPEC
26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} \
27 %{municode:-DUNICODE}"
29 #undef STARTFILE_SPEC
30 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
31 %{!shared:%{!mdll:%{!municode:crt2%O%s}}} \
32 %{!shared:%{!mdll:%{municode:crt2u%O%s}}} \
33 %{pg:gcrt2%O%s} \
34 crtbegin.o%s"
36 /* Enable multilib. */
38 #undef ASM_SPEC
39 #define ASM_SPEC "%{v:-v} %{n} %{T} %{Ym,*} %{Yd,*} \
40 %{Wa,*:%*} %{m32:--32} %{m64:--64}"
42 #undef SPEC_32
43 #undef SPEC_64
44 #if TARGET_64BIT_DEFAULT
45 #define SPEC_32 "m32"
46 #define SPEC_64 "!m32"
47 #else
48 #define SPEC_32 "!m64"
49 #define SPEC_64 "m64"
50 #endif
52 #undef SUB_LINK_ENTRY32
53 #undef SUB_LINK_ENTRY64
54 #define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12"
55 #if defined(USE_MINGW64_LEADING_UNDERSCORES)
56 #define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup"
57 #else
58 #define SUB_LINK_ENTRY64 "-e DllMainCRTStartup"
59 #endif
61 #undef SUB_LINK_SPEC
62 #undef SUB_LINK_ENTRY
63 #define SUB_LINK_SPEC "%{" SPEC_64 ":-m i386pep} %{" SPEC_32 ":-m i386pe}"
64 #define SUB_LINK_ENTRY "%{" SPEC_64 ":" SUB_LINK_ENTRY64 "} %{" SPEC_32 ":" SUB_LINK_ENTRY32 "}"
66 #undef MULTILIB_DEFAULTS
67 #if TARGET_64BIT_DEFAULT
68 #define MULTILIB_DEFAULTS { "m64" }
69 #else
70 #define MULTILIB_DEFAULTS { "m32" }
71 #endif
73 #undef LINK_SPEC
74 #define LINK_SPEC SUB_LINK_SPEC " %{mwindows:--subsystem windows} \
75 %{mconsole:--subsystem console} \
76 %{shared: %{mdll: %eshared and mdll are not compatible}} \
77 %{shared: --shared} %{mdll:--dll} \
78 %{static:-Bstatic} %{!static:-Bdynamic} \
79 %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \
80 %(shared_libgcc_undefs)"