OSDN Git Service

2010-12-17 Andrew Stubbs <ams@codesourcery.com>
[pf3gnuchains/gcc-fork.git] / gcc / config / interix.h
1 /* Operating system specific defines to be used when targeting GCC for
2    Interix
3    Copyright (C) 1994, 1995, 1999, 2002, 2004, 2007, 2010
4    Free Software Foundation, Inc.
5    Donn Terry, Softway Systems, Inc. (donn@softway.com)
6    Modified from code
7       Contributed by Douglas B. Rupp (drupp@cs.washington.edu).
8
9 This file is part of GCC.
10
11 GCC is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3, or (at your option)
14 any later version.
15
16 GCC is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with GCC; see the file COPYING3.  If not see
23 <http://www.gnu.org/licenses/>.  */
24
25 /* POSIX/Uni-thread only for now.  Look at the winnt version
26 for windows/multi thread */
27
28 /* We need multiple -lc -lcpsx because they mutually refer;
29    that should go away someday */
30
31 #undef LIB_SPEC
32 #define LIB_SPEC "\
33  %{!shared:%{!dynamic:-lc -lcpsx -lc -lcpsx %$INTERIX_ROOT/usr/lib/psxdll.a \
34  %$INTERIX_ROOT/usr/lib/psxdll2.a \
35  }} \
36  %{!G:%{!dynamic:-lc -lcpsx -lc -lcpsx %$INTERIX_ROOT/usr/lib/psxdll.a \
37  %$INTERIX_ROOT/usr/lib/psxdll2.a \
38  }} \
39  %{dynamic:-lc %$INTERIX_ROOT/usr/lib/psxdll.a \
40  %$INTERIX_ROOT/usr/lib/psxdll2.a \
41  } \
42  %{v}"
43
44 #undef LINK_SPEC
45 #define LINK_SPEC "%{!shared:-stack 0x400000,0x10000} \
46                    -subsystem posix \
47                    %{g} \
48                    %{dynamic:-Bdynamic} \
49                    %{static:-Bstatic} \
50                    %{shared:--shared -Bdynamic} \
51                    %{G:--shared -Bdynamic} \
52                    %{symbolic:--shared -Bsymbolic -Bdynamic} \
53                    %{soname*:--soname %*} \
54                    %{rpath*:--rpath %*} \
55                    "
56
57 #undef STARTFILE_SPEC
58 #define STARTFILE_SPEC  \
59   "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}} %{shared:crti%O%s}"
60
61
62 #define STDC_0_IN_SYSTEM_HEADERS 1
63
64 /* Names to predefine in the preprocessor for this target machine.  */
65
66 #define DBX_DEBUGGING_INFO 1
67 #define SDB_DEBUGGING_INFO 1
68 #undef PREFERRED_DEBUGGING_TYPE
69 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
70
71
72 /* TARGET_DEFAULT from configure */
73
74 #undef WCHAR_TYPE
75 #undef WCHAR_TYPE_SIZE
76 #define WCHAR_TYPE "short unsigned int"
77 #define WCHAR_TYPE_SIZE 16
78
79 /* Our strategy for finding global constructors is a bit different, although
80    not a lot.  */
81 #define DO_GLOBAL_CTORS_BODY                                            \
82 do {                                                                    \
83   int i;                                                                \
84   unsigned long nptrs;                                                  \
85   func_ptr *p;                                                          \
86   asm(                                                                  \
87        "     .section .ctor_head, \"rw\"\n"                             \
88        "1:\n"                                                           \
89        "     .text \n"                                                  \
90        ASM_LOAD_ADDR(1b,%0)                                             \
91        : "=r" (p) : : "cc");                                            \
92   for (nptrs = 0; p[nptrs] != 0; nptrs++);                              \
93   for (i = nptrs-1; i >= 0; i--)                                        \
94     p[i] ();                                                            \
95 } while (0) 
96
97 #define DO_GLOBAL_DTORS_BODY                                            \
98 do {                                                                    \
99   func_ptr *p;                                                          \
100   asm(                                                                  \
101        "     .section .dtor_head, \"rw\"\n"                             \
102        "1:\n"                                                           \
103        "     .text \n"                                                  \
104        ASM_LOAD_ADDR(1b,%0)                                             \
105        : "=r" (p) : : "cc");                                            \
106   while (*p)                                                            \
107     {                                                                   \
108       p++;                                                              \
109       (*(p-1)) ();                                                      \
110     }                                                                   \
111 } while (0)