#undef CC1_SPEC
#define CC1_SPEC "%{profile:-p} %{G*}"
-/* ??? Maybe this should be in sysv4.h? */
-#define CPP_PREDEFINES "\
- -D__gnu_linux__ -D__linux -D__linux__ -D_LONGLONG \
- -Dlinux -Dunix -Asystem=linux"
+/* Target OS builtins. */
+#define TARGET_OS_CPP_BUILTINS() \
+do { \
+ LINUX_TARGET_OS_CPP_BUILTINS(); \
+ builtin_define("_LONGLONG"); \
+} while (0)
/* Need to override linux.h STARTFILE_SPEC, since it has crtbeginT.o in. */
#undef STARTFILE_SPEC
+#ifdef HAVE_LD_PIE
#define STARTFILE_SPEC \
- "%{!shared: \
- %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
- %{!p:%{profile:gcrt1.o%s} \
- %{!profile:crt1.o%s}}}} \
- crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+ "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
+ crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+ "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}}\
+ crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
/* Similar to standard Linux, but adding -ffast-math support. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
"%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
- %{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+ %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
/* Define this for shared library support because it isn't in the main
linux.h file. */
+#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
+
#undef LINK_SPEC
#define LINK_SPEC "\
%{shared:-shared} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld-linux-ia64.so.2}} \
+ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
%{static:-static}}"
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
#define JMP_BUF_SIZE 76
#undef LINK_EH_SPEC
#define LINK_EH_SPEC ""
-/* Do code reading to identify a signal frame, and set the frame
- state data appropriately. See unwind-dw2.c for the structs. */
-
-#ifdef IN_LIBGCC2
-#include <signal.h>
-#include <sys/ucontext.h>
+#define MD_UNWIND_SUPPORT "config/ia64/linux-unwind.h"
-#define IA64_GATE_AREA_START 0xa000000000000100LL
-#define IA64_GATE_AREA_END 0xa000000000020000LL
+/* Put all *tf routines in libgcc. */
+#undef LIBGCC2_HAS_TF_MODE
+#define LIBGCC2_HAS_TF_MODE 1
+#undef LIBGCC2_TF_CEXT
+#define LIBGCC2_TF_CEXT q
+#define TF_SIZE 113
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \
- if ((CONTEXT)->rp >= IA64_GATE_AREA_START \
- && (CONTEXT)->rp < IA64_GATE_AREA_END) \
- { \
- struct sigframe { \
- char scratch[16]; \
- unsigned long sig_number; \
- struct siginfo *info; \
- struct sigcontext *sc; \
- } *frame_ = (struct sigframe *)(CONTEXT)->psp; \
- struct sigcontext *sc_ = frame_->sc; \
- \
- /* Restore scratch registers in case the unwinder needs to \
- refer to a value stored in one of them. */ \
- { \
- int i_; \
- \
- for (i_ = 2; i_ < 4; i_++) \
- (CONTEXT)->ireg[i_ - 2].loc = &sc_->sc_gr[i_]; \
- for (i_ = 8; i_ < 12; i_++) \
- (CONTEXT)->ireg[i_ - 2].loc = &sc_->sc_gr[i_]; \
- for (i_ = 14; i_ < 32; i_++) \
- (CONTEXT)->ireg[i_ - 2].loc = &sc_->sc_gr[i_]; \
- } \
- \
- (CONTEXT)->pfs_loc = &(sc_->sc_ar_pfs); \
- (CONTEXT)->lc_loc = &(sc_->sc_ar_lc); \
- (CONTEXT)->unat_loc = &(sc_->sc_ar_unat); \
- (CONTEXT)->br_loc[0] = &(sc_->sc_br[0]); \
- (CONTEXT)->bsp = sc_->sc_ar_bsp; \
- (CONTEXT)->pr = sc_->sc_pr; \
- (CONTEXT)->psp = sc_->sc_gr[12]; \
- (CONTEXT)->gp = sc_->sc_gr[1]; \
- /* Signal frame doesn't have an associated reg. stack frame \
- other than what we adjust for below. */ \
- (FS) -> no_reg_stack_frame = 1; \
- \
- /* Don't touch the branch registers o.t. b0. The kernel doesn't \
- pass the preserved branch registers in the sigcontext but \
- leaves them intact, so there's no need to do anything \
- with them here. */ \
- \
- { \
- unsigned long sof = sc_->sc_cfm & 0x7f; \
- (CONTEXT)->bsp = (unsigned long) \
- ia64_rse_skip_regs ((unsigned long *)(sc_->sc_ar_bsp), -sof); \
- } \
- \
- (FS)->curr.reg[UNW_REG_RP].where = UNW_WHERE_SPREL; \
- (FS)->curr.reg[UNW_REG_RP].val \
- = (unsigned long)&(sc_->sc_ip) - (CONTEXT)->psp; \
- (FS)->curr.reg[UNW_REG_RP].when = -1; \
- \
- goto SUCCESS; \
- }
-#endif /* IN_LIBGCC2 */
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS ia64_soft_fp_init_libfuncs
projects / msp430-gcc.git / blobdiff