Initial revision

From-SVN: r11543

gcc/config/alpha/linux.h

+/* Definitions of target machine for GNU compiler, for Alpha Linux,
+   using ECOFF.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Bob Manson.
+
+This file is part of GNU CC.
+
+GNU CC 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,
+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.  */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (3 | MASK_GAS)
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (Linux/Alpha)");
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "\
+-D__alpha -D__alpha__ -D__linux__ -D__linux -D_LONGLONG -Dlinux -Dunix \
+-Asystem(linux) -Acpu(alpha) -Amachine(alpha)"
+
+/* We don't actually need any of these; the MD_ vars are ignored
+   anyway for cross-compilers, and the other specs won't get picked up
+   because the user is supposed to do ld -r (hmm, perhaps that should be
+   the default).  In any case, setting them thus will catch some
+   common user errors. */
+
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{pg:-lgmon} %{pg:-lc_p} %{!pg:-lc}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "-G 8 %{O*:-O3} %{!O*:-O1}"
+
+#undef ASM_SPEC
+#define ASM_SPEC "-nocpp"
+
+/* Can't do stabs */
+#undef SDB_DEBUGGING_INFO
+
+/* Prefer dbx.  */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO)			\
+    do {							\
+	fputs ("\tlda $27,_mcount\n", (FILE));			\
+	fputs ("\tjsr $26,($27),_mcount\n", (FILE));		\
+	fputs ("\tldgp $29,0($26)\n", (FILE));			\
+    } while (0);
+
+/* Generate calls to memcpy, etc., not bcopy, etc. */
+#define TARGET_MEM_FUNCTIONS
+
+/* Show that we need a GP when profiling.  */
+#define TARGET_PROFILING_NEEDS_GP