X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Fia64%2Flinux.h;h=e883f8938979a54613dbd6585f8759e108a91c05;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=07882cd1272d465285d94329b1e5a6ebab0b041d;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/gcc/config/ia64/linux.h b/gcc/config/ia64/linux.h
index 07882cd1..e883f893 100644
--- a/gcc/config/ia64/linux.h
+++ b/gcc/config/ia64/linux.h
@@ -9,38 +9,46 @@
 #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
 
@@ -50,69 +58,14 @@
 #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