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1.1 root 1: /* Target independent definitions for LynxOS, using Lynx's old as and ld.
2: Copyright (C) 1993 Free Software Foundation, Inc.
3:
4: This file is part of GNU CC.
5:
6: GNU CC 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 2, or (at your option)
9: any later version.
10:
11: GNU CC 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 GNU CC; see the file COPYING. If not, write to
1.1.1.2 ! root 18: the Free Software Foundation, 59 Temple Place - Suite 330,
! 19: Boston, MA 02111-1307, USA. */
1.1 root 20:
21: /* This is for backwards compatibility with older Lynx tools, which use
22: a version of a.out format. */
23:
24: #undef ASM_SPEC
25: #define ASM_SPEC "%{mcoff:-C}"
26:
27: #undef CPP_SPEC
28: #define CPP_SPEC "%{mthreads:-D_MULTITHREADED} \
29: %{mposix:-D_POSIX_SOURCE} \
30: %{msystem-v:-I/usr/include_v}"
31:
32: /* Provide required defaults for linker switches. */
33:
34: #undef LINK_SPEC
35: #define LINK_SPEC "%{msystem-v:-V} %{mcoff:-k}"
36:
37: #undef LIB_SPEC
38: #define LIB_SPEC "%{mthreads:-L/lib/thread/}%{msystem-v:-lc_v}%{!msystem-v:%{mposix:-lc_p} -lc}"
39:
40: #undef STARTFILE_SPEC
41: #define STARTFILE_SPEC "%{p:%{mcoff:pinit1.o%s}%{!mcoff:pinit.o%s}}%{!p:%{msystem-v:%{mcoff:vinit1.o%s}%{!mcoff:vinit.o%s}}%{!msystem-v:%{mcoff:init1.o%s}%{!mcoff:init.o%s}}}"
42:
43: #undef ENDFILE_SPEC
44: #define ENDFILE_SPEC "%{mcoff:initn.o%s} %{p:_etext.o%s}"
45:
46: #undef SIZE_TYPE
47: #define SIZE_TYPE "unsigned int"
48:
49: #undef WCHAR_TYPE
50: #define WCHAR_TYPE "int"
51:
52: #undef PTRDIFF_TYPE
53: #define PTRDIFF_TYPE "long int"
54:
55: /* We want to output DBX debugging information. */
56:
57: #define DBX_DEBUGGING_INFO
58: #undef PREFERRED_DEBUGGING_TYPE
59: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
60:
61: /* We optionally want to be able to produce SDB debugging output so that
62: we can create debuggable SDB/coff files. This won't be needed when
63: stabs-in-coff works. */
64:
65: #define SDB_DEBUGGING_INFO
66:
67: /* Generate calls to memcpy, memcmp and memset. */
68:
69: #define TARGET_MEM_FUNCTIONS
70:
71: /* Handle #pragma pack and sometimes #pragma weak. */
72:
73: #define HANDLE_SYSV_PRAGMA
74:
75: #define TARGET_THREADS (target_flags & MASK_THREADS)
76: #define MASK_THREADS 0x40000000
77:
78: #define TARGET_POSIX (target_flags & MASK_POSIX)
79: #define MASK_POSIX 0x20000000
80:
81: #define TARGET_SYSTEM_V (target_flags & MASK_SYSTEM_V)
82: #define MASK_SYSTEM_V 0x10000000
83:
84: #define TARGET_COFF (target_flags & MASK_COFF)
85: #define MASK_COFF 0x08000000
86:
87: #undef SUBTARGET_SWITCHES
88: #define SUBTARGET_SWITCHES \
89: {"threads", MASK_THREADS}, \
90: {"posix", MASK_POSIX}, \
91: {"system-v", MASK_SYSTEM_V}, \
92: {"coff", MASK_COFF},
93:
94: #undef SUBTARGET_OVERRIDE_OPTIONS
95: #define SUBTARGET_OVERRIDE_OPTIONS \
96: { if (TARGET_SYSTEM_V && profile_flag) \
97: warning ("-msystem-v and -p are incompatible"); \
98: if (TARGET_SYSTEM_V && TARGET_THREADS) \
99: warning ("-msystem-v and -mthreads are incompatible"); }
100:
101: /* Define this so that C++ destructors will use atexit. */
102:
103: #define HAVE_ATEXIT
104:
105: /* This is defined only so that we can find the assembler. Everything else
106: is in /bin. */
107:
108: #define MD_EXEC_PREFIX "/usr/local/lib/gcc-"
109:
110: /* This is needed because /bin/ld does not handle -L options correctly. */
111:
112: #define LINK_LIBGCC_SPECIAL_1
113:
114: /* The Lynx linker considers __main to be a possible entry point, so we
115: must use a different name. */
116:
117: #define NAME__MAIN "____main"
118: #define SYMBOL__MAIN ____main
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