gnu/dist/gcc4/gcc/config/ia64/linux.h

   1 /* Definitions for ia64-linux target.  */
   2
   3 /* This macro is a C statement to print on `stderr' a string describing the
   4    particular machine description choice.  */
   5
   6 #define TARGET_VERSION fprintf (stderr, " (IA-64) Linux");
   7
   8 /* This is for -profile to use -lc_p instead of -lc.  */
   9 #undef CC1_SPEC
  10 #define CC1_SPEC "%{profile:-p} %{G*}"
  11
  12 /* Target OS builtins.  */
  13 #define TARGET_OS_CPP_BUILTINS()                \
  14 do {                                            \
  15         LINUX_TARGET_OS_CPP_BUILTINS();         \
  16         builtin_define("_LONGLONG");            \
  17 } while (0)
  18
  19 /* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in.  */
  20 #undef STARTFILE_SPEC
  21 #ifdef HAVE_LD_PIE
  22 #define STARTFILE_SPEC \
  23   "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
  24    crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
  25 #else
  26 #define STARTFILE_SPEC \
  27   "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
  28    crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
  29 #endif
  30
  31 /* Similar to standard Linux, but adding -ffast-math support.  */
  32 #undef  ENDFILE_SPEC
  33 #define ENDFILE_SPEC \
  34   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  35    %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
  36
  37 /* Define this for shared library support because it isn't in the main
  38    linux.h file.  */
  39
  40 #undef LINK_SPEC
  41 #define LINK_SPEC "\
  42   %{shared:-shared} \
  43   %{!shared: \
  44     %{!static: \
  45       %{rdynamic:-export-dynamic} \
  46       %{!dynamic-linker:-dynamic-linker /lib/ld-linux-ia64.so.2}} \
  47       %{static:-static}}"
  48
  49 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
  50
  51 #define JMP_BUF_SIZE  76
  52
  53 /* Override linux.h LINK_EH_SPEC definition.
  54    Signalize that because we have fde-glibc, we don't need all C shared libs
  55    linked against -lgcc_s.  */
  56 #undef LINK_EH_SPEC
  57 #define LINK_EH_SPEC ""
  58
  59 #define MD_UNWIND_SUPPORT "config/ia64/linux-unwind.h"