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