gcc/config/lynx.h

   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