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() \ 14do { \ 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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2" 41 42#undef LINK_SPEC 43#define LINK_SPEC "\ 44 %{shared:-shared} \ 45 %{!shared: \ 46 %{!static: \ 47 %{rdynamic:-export-dynamic} \ 48 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \ 49 %{static:-static}}" 50 51#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 52 53#define JMP_BUF_SIZE 76 54 55/* Override linux.h LINK_EH_SPEC definition. 56 Signalize that because we have fde-glibc, we don't need all C shared libs 57 linked against -lgcc_s. */ 58#undef LINK_EH_SPEC 59#define LINK_EH_SPEC "" 60 61#define MD_UNWIND_SUPPORT "config/ia64/linux-unwind.h" 62