alpha.h (CPP_PREDEFINES, [...]): Move OSF/1 specific defines out.

* alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
Move OSF/1 specific defines out.
* alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
Move Linux specific defines out.
(LINK_SPEC): Genericize.
(ASM_FILE_START): Emit .arch if using more than the base insn set.
(ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
(SDB_DEBUGGING_INFO): Remove; gas can't handle it.
(HANDLE_SYSV_PRAGMA): Define.
* alpha/osf.h: New file.
* alpha/linux.h: Split.  Retain file-format independant defines.
Import Linux bits from elf.h.
(CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
(FUNCTION_PROFILER): _mcount takes its address in $28.
(MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
* alpha/linux-ecoff.h: New file.
* alpha/linux-elf.h: New file.
* alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
* alpha/win-nt.h (TARGET_DEFAULT): Define.
* configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
Add new headers as appropriate.
* configure.in (alpha*): Enable Haifa by default.
(*-*-winnt3*): Change to winnt*, since we're not v3 specific.
* configure: Rebuild.

From-SVN: r17211

1 files changed, 36 insertions, 0 deletions

diff --git a/gcc/config/alpha/linux-ecoff.h b/gcc/config/alpha/linux-ecoff.h
new file mode 100644
index 0000000..a6cd5b2
--- /dev/null
+++ b/gcc/config/alpha/linux-ecoff.h
@@ -0,0 +1,36 @@
+/* Definitions of target machine for GNU compiler
+   for Alpha Linux-based GNU systems using ECOFF.
+   Copyright (C) 1996, 1997 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_VERSION
+#define TARGET_VERSION fprintf (stderr, " (Alpha GNU/Linux for ECOFF)");
+
+#undef SUB_CPP_PREDEFINES
+#define SUB_CPP_PREDEFINES "-D__ECOFF__"
+
+#undef LINK_SPEC
+#define LINK_SPEC "-G 8 %{O*:-O3} %{!O*:-O1}"
+
+/* stabs get slurped by the assembler into a queer ecoff format.  */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* We support #pragma.  */
+#define HANDLE_SYSV_PRAGMA