X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Falpha%2Flinux.h;h=2768748a2d919d0c02041b0dac689e0495613713;hb=3ce7ff97f6815dce6ab5d681d44d61b79f249880;hp=eb2a91ecb7e976601504b28157cc1c055af913b4;hpb=3024b95b94d091ddd98a38cc0f390963d44463f3;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/config/alpha/linux.h b/gcc/config/alpha/linux.h
index eb2a91ecb7e..2768748a2d9 100644
--- a/gcc/config/alpha/linux.h
+++ b/gcc/config/alpha/linux.h
@@ -1,70 +1,84 @@
 /* Definitions of target machine for GNU compiler,
    for Alpha Linux-based GNU systems.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2002, 2003, 2004, 2005
+   Free Software Foundation, Inc.
    Contributed by Richard Henderson.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 #undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "\
--D__alpha -D__alpha__ -D__linux__ -D__linux -D_LONGLONG -Dlinux -Dunix \
--Asystem(linux) -Acpu(alpha) -Amachine(alpha)" SUB_CPP_PREDEFINES
+#define TARGET_DEFAULT (MASK_FPREGS | MASK_GAS)
+
+#define TARGET_OS_CPP_BUILTINS()				\
+    do {							\
+	builtin_define ("__gnu_linux__");			\
+	builtin_define ("_LONGLONG");				\
+	builtin_define_std ("linux");				\
+	builtin_define_std ("unix");				\
+	builtin_assert ("system=linux");			\
+	builtin_assert ("system=unix");				\
+	builtin_assert ("system=posix");			\
+	/* The GNU C++ standard library requires this.  */	\
+	if (c_dialect_cxx ())					\
+	  builtin_define ("_GNU_SOURCE");			\
+	if (flag_pic)						\
+	  {							\
+		builtin_define ("__PIC__");			\
+		builtin_define ("__pic__");			\
+	  }							\
+    } while (0)
 
 #undef LIB_SPEC
-#define LIB_SPEC "%{pg:-lgmon} %{pg:-lc_p} %{!pg:-lc}"
+#define LIB_SPEC \
+  "%{pthread:-lpthread} \
+   %{shared:-lc} \
+   %{!shared: %{profile:-lc_p}%{!profile:-lc}}"
 
-#undef ASM_SPEC
-#define ASM_SPEC "-nocpp"
+/* Show that we need a GP when profiling.  */
+#undef TARGET_PROFILING_NEEDS_GP
+#define TARGET_PROFILING_NEEDS_GP 1
 
-/* Generate calls to memcpy, etc., not bcopy, etc. */
-#define TARGET_MEM_FUNCTIONS
+/* Don't care about faults in the prologue.  */
+#undef TARGET_CAN_FAULT_IN_PROLOGUE
+#define TARGET_CAN_FAULT_IN_PROLOGUE 1
 
-#undef FUNCTION_PROFILER
-#define FUNCTION_PROFILER(FILE, LABELNO)			\
-	fputs ("\tlda $28,_mcount\n\tjsr $28,($28),_mcount\n", (FILE))
+/* OS fixes up EV5 data fault on prefetch.  */
+#undef TARGET_FIXUP_EV5_PREFETCH
+#define TARGET_FIXUP_EV5_PREFETCH 1
 
-/* Show that we need a GP when profiling.  */
-#define TARGET_PROFILING_NEEDS_GP
-
-/* Emit RTL insns to initialize the variable parts of a trampoline.
-   FNADDR is an RTX for the address of the function's pure code.
-   CXT is an RTX for the static chain value for the function. 
-
-   This differs from the standard version in that:
-
-   We do not initialize the "hint" field because it only has an 8k
-   range and so the target is in range of something on the stack. 
-   Omitting the hint saves a bogus branch-prediction cache line load.
-
-   GNU/Linux always has an executable stack -- no need for a system call. */
-
-#undef INITIALIZE_TRAMPOLINE
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT)                       \
-{                                                                       \
-  rtx _addr;                                             		\
-                                                                        \
-  _addr = memory_address (Pmode, plus_constant ((TRAMP), 16));          \
-  emit_move_insn (gen_rtx (MEM, Pmode, _addr), (FNADDR));               \
-  _addr = memory_address (Pmode, plus_constant ((TRAMP), 24));          \
-  emit_move_insn (gen_rtx (MEM, Pmode, _addr), (CXT));                  \
-                                                                        \
-  emit_insn (gen_rtx (UNSPEC_VOLATILE, VOIDmode,                        \
-                      gen_rtvec (1, const0_rtx), 0));                   \
-}
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+/* Define this so that all GNU/Linux targets handle the same pragmas.  */
+#define HANDLE_PRAGMA_PACK_PUSH_POP
+
+/* Determine whether the entire c99 runtime is present in the
+   runtime library.  */
+#define TARGET_C99_FUNCTIONS 1
+
+#define TARGET_POSIX_IO
+
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+/* Use --as-needed -lgcc_s for eh support.  */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
+#endif
+
+#define MD_UNWIND_SUPPORT "config/alpha/linux-unwind.h"