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1.1 root 1: /* Target independent definitions for LynxOS. */
2:
3: /* ??? The -C option may need to change to whatever option the GNU assembler
4: actually accepts. */
5: #undef ASM_SPEC
6: #define ASM_SPEC "%{mcoff:-C}"
7:
8: #undef CPP_SPEC
9: #define CPP_SPEC "%{mthreads:-D_MULTITHREADED} %{mposix:-D_POSIX_SOURCE} %{msystem-v:-I/usr/include_v}"
10:
11: /* Provide required defaults for linker switches. */
12: /* ??? The -k option may need to change to whatever option the GNU linker
13: actually accepts. This is to produce COFF output. */
14: /* ??? The -V option may need to change to whatever option the GNU linker
15: actually accepts. This is to produce System-V magic numbers. */
16: #undef LINK_SPEC
17: #define LINK_SPEC "-P1000 %{msystem-v:-V} %{mcoff:-k}"
18:
19: #undef LIB_SPEC
20: #define LIB_SPEC "%{mthreads:-L/lib/thread/}%{msystem-v:-lc_v}%{!msystem-v:%{mposix:-lc_p} -lc}"
21:
22: #undef STARTFILE_SPEC
23: #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}}}"
24:
25: #undef ENDFILE_SPEC
26: #define ENDFILE_SPEC "%{mcoff:initn.o%s} %{p:_etext.o%s}"
27:
28: #undef SIZE_TYPE
29: #define SIZE_TYPE "unsigned int"
30:
31: #undef WCHAR_TYPE
32: #define WCHAR_TYPE "int"
33:
34: #undef PTRDIFF_TYPE
35: #define PTRDIFF_TYPE "long int"
36:
37: /* We want to output DBX debugging information. */
38:
39: #define DBX_DEBUGGING_INFO
40: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
41:
42: /* We optionally want to be able to produce SDB debugging output so that
43: we can create debuggable SDB/coff files. This won't be needed when
44: stabs-in-coff works. */
45:
46: #define SDB_DEBUGGING_INFO
47:
48: /* Generate calls to memcpy, memcmp and memset. */
49:
50: #define TARGET_MEM_FUNCTIONS
51:
52: /* Handle #pragma pack and sometimes #pragma weak. */
53:
54: #define HANDLE_SYSV_PRAGMA
55:
56: #define TARGET_THREADS (target_flags & MASK_THREADS)
57: #define MASK_THREADS 0x40000000
58:
59: #define TARGET_POSIX (target_flags & MASK_POSIX)
60: #define MASK_POSIX 0x20000000
61:
62: #define TARGET_SYSTEM_V (target_flags & MASK_SYSTEM_V)
63: #define MASK_SYSTEM_V 0x10000000
64:
65: #define TARGET_COFF (target_flags & MASK_COFF)
66: #define MASK_COFF 0x08000000
67:
68: #undef SUBTARGET_SWITCHES
69: #define SUBTARGET_SWITCHES \
70: {"threads", MASK_THREADS}, \
71: {"posix", MASK_POSIX}, \
72: {"system-v", MASK_SYSTEM_V}, \
73: {"coff", MASK_COFF},
74:
75: #undef SUBTARGET_OVERRIDE_OPTIONS
76: #define SUBTARGET_OVERRIDE_OPTIONS \
77: { if (TARGET_SYSTEM_V && profile_flag) \
78: warning ("-msystem-v and -p are incompatible"); \
79: if (TARGET_SYSTEM_V && TARGET_THREADS) \
80: warning ("-msystem-v and -mthreads are incompatible"); }
81:
82: /* Define this so that C++ destructors will use atexit. */
83:
84: #define HAVE_ATEXIT
85:
86: /* This is defined only so that we can find the assembler. Everything else
87: is in /bin. */
88:
89: #define MD_EXEC_PREFIX "/usr/local/lib/gcc-"
90:
91: /* ??? This is needed because /bin/ld does not handle -L options correctly.
92: This can be deleted if GNU ld is being used. */
93:
94: #define LINK_LIBGCC_SPECIAL_1
95:
96: /* The Lynx linker considers __main to be a possible entry point, so we
97: must use a different name. */
98:
99: #define NAME__MAIN "____main"
100: #define SYMBOL__MAIN ____main
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