1 files changed, 106 insertions, 0 deletions
diff --git a/gcc/config/alpha/linux.h b/gcc/config/alpha/linux.h
new file mode 100644
index 000000000..a1881c816
--- /dev/null
+++ b/gcc/config/alpha/linux.h
@@ -0,0 +1,106 @@
+/* Definitions of target machine for GNU compiler,
+   for Alpha Linux-based GNU systems.
+   Copyright (C) 1996, 1997, 1998, 2002, 2003, 2004, 2005, 2006, 2007, 2009,
+   2010 Free Software Foundation, Inc.
+   Contributed by Richard Henderson.
+
+This file is part of GCC.
+
+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 3, or (at your option)
+any later version.
+
+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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#undef TARGET_DEFAULT
+#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");			\
+    } while (0)
+
+#undef LIB_SPEC
+#define LIB_SPEC \
+  "%{pthread:-lpthread} \
+   %{shared:-lc} \
+   %{!shared: %{profile:-lc_p}%{!profile:-lc}}"
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+
+/* Show that we need a GP when profiling.  */
+#undef TARGET_PROFILING_NEEDS_GP
+#define TARGET_PROFILING_NEEDS_GP 1
+
+/* Don't care about faults in the prologue.  */
+#undef TARGET_CAN_FAULT_IN_PROLOGUE
+#define TARGET_CAN_FAULT_IN_PROLOGUE 1
+
+/* OS fixes up EV5 data fault on prefetch.  */
+#undef TARGET_FIXUP_EV5_PREFETCH
+#define TARGET_FIXUP_EV5_PREFETCH 1
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#ifdef SINGLE_LIBC
+#define OPTION_GLIBC  (DEFAULT_LIBC == LIBC_GLIBC)
+#else
+#define OPTION_GLIBC  (linux_libc == LIBC_GLIBC)
+#endif
+
+/* Determine whether the entire c99 runtime is present in the
+   runtime library.  */
+#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
+
+/* Whether we have sincos that follows the GNU extension.  */
+#define TARGET_HAS_SINCOS (OPTION_GLIBC)
+
+#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"
+
+/* Define if long doubles should be mangled as 'g'.  */
+#define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
+
+/* -mcpu=native handling only makes sense with compiler running on
+   an Alpha chip.  */
+#if defined(__alpha__) || defined(__alpha)
+extern const char *host_detect_local_cpu (int argc, const char **argv);
+# define EXTRA_SPEC_FUNCTIONS						\
+  { "local_cpu_detect", host_detect_local_cpu },
+
+# define MCPU_MTUNE_NATIVE_SPECS					\
+   " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}"		\
+   " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
+#else
+# define MCPU_MTUNE_NATIVE_SPECS ""
+#endif
+
+#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS