Initial revision

From-SVN: r197

1 files changed, 169 insertions, 0 deletions

diff --git a/gcc/config/m88k/dgux.h b/gcc/config/m88k/dgux.h
new file mode 100644
index 0000000..9374382
--- /dev/null
+++ b/gcc/config/m88k/dgux.h
@@ -0,0 +1,169 @@
+/* Definitions of target machine for GNU compiler.
+   Motorola m88100 running DG/UX.
+   Copyright (C) 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
+   Contributed by Michael Tiemann (tiemann@mcc.com)
+   Enhanced by Michael Meissner (meissner@osf.org)
+   Currently supported by Tom Wood (wood@dg-rtp.dg.com)
+
+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.  */
+
+/* You're not seeing double!  To transition to dwarf debugging, both are
+   supported.  The option -msvr4 and -mversion-03.00 specify (for DG/UX)
+   `real' elf.  With these combinations, -g means dwarf.  */
+/* DWARF_DEBUGGING_INFO defined in svr4.h.  */
+#define SDB_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE \
+  (VERSION_0300_SYNTAX ? DWARF_DEBUG : SDB_DEBUG)
+
+#ifndef NO_BUGS
+#define AS_BUG_IMMEDIATE_LABEL
+#endif
+
+#include "svr4.h"
+#include "m88k.h"
+
+/* Augment TARGET_SWITCHES with the MXDB options.  */
+#define MASK_STANDARD		0x40000000 /* Retain standard information */
+#define MASK_LEGEND		0x20000000 /* Retain legend information */
+#define MASK_EXTERNAL_LEGEND	0x10000000 /* Make external legends */
+
+#define TARGET_STANDARD		  (target_flags & MASK_STANDARD)
+#define TARGET_LEGEND		  (target_flags & MASK_LEGEND)
+#define TARGET_EXTERNAL_LEGEND	  (target_flags & MASK_EXTERNAL_LEGEND)
+
+#undef  SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+    { "standard",			 MASK_STANDARD }, \
+    { "legend",				 MASK_LEGEND }, \
+    { "external-legend",		 MASK_EXTERNAL_LEGEND }, \
+    /* the following is used only in the *_SPEC's */ \
+    { "keep-coff",			 0 },
+
+/* Default switches */
+#undef	TARGET_DEFAULT
+#define TARGET_DEFAULT	(MASK_CHECK_ZERO_DIV	 | \
+			 MASK_OCS_DEBUG_INFO	 | \
+			 MASK_OCS_FRAME_POSITION)
+
+/* Macros to be automatically defined.  __svr4__ is our extension.
+   __CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
+   files with DG/UX revision 5.40 and later.  This allows GNU CC to
+   operate without installing the header files.  */
+
+#undef	CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
+   -D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
+
+/* If not -ansi, -traditional, or restricting include files to one
+   specific source target, specify full DG/UX features.  */
+#undef	CPP_SPEC
+#define	CPP_SPEC "%{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
+
+/* Assembler support (-V, silicon filter, legends for mxdb).  */
+#undef	ASM_SPEC
+#define ASM_SPEC "\
+%{V} %{v:%{!V:-V}} %{pipe: - %{msvr4:%{mversion-03.00:-KV3}}}\
+%{!mlegend:%{mstandard:-Wc,off}}\
+%{mlegend:-Wc,-fix-bb,-h\"gcc-1.96.3\",-s\"%i\"\
+%{traditional:,-lc}%{!traditional:,-lansi-c}\
+%{mstandard:,-keep-std}\
+%{mkeep-coff:,-keep-coff}\
+%{mexternal-legend:,-external}\
+%{mocs-frame-position:,-ocs}}"
+
+/* Override svr4.h.  */
+#undef	ASM_FINAL_SPEC
+#undef	STARTFILE_SPEC
+
+/* Linker and library spec's.
+   -static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
+   -svr4 instructs gcc to place /usr/lib/values-X[cat].o on link the line.
+   When the -G link option is used (-shared and -symbolic) a final link is
+   not being done.  */
+#undef	LIB_SPEC
+#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
+#undef	LINK_SPEC
+#define LINK_SPEC "%{z*} %{h*} %{V} %{v:%{!V:-V}} \
+		   %{static:-dn -Bstatic} \
+		   %{shared:-G -dy} \
+		   %{symbolic:-Bsymbolic -G -dy} \
+		   %{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
+			 %{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
+			 %{svr4:%{ansi:/lib/values-Xc.o} \
+			  %{!ansi:%{traditional:/lib/values-Xt.o} \
+			   %{!traditional:/usr/lib/values-Xa.o}}}}}"
+
+#undef	GPLUSPLUS_INCLUDE_DIR
+#define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"
+
+/* Fast DG/UX version of profiler that does not require lots of
+   registers to be stored.  */
+#undef	FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+  output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)
+
+/* DGUX V.4 isn't quite ELF--yet.  */
+#undef  VERSION_0300_SYNTAX
+#define VERSION_0300_SYNTAX (TARGET_SVR4 && TARGET_VERSION_0300)
+
+/* Output the legend info for mxdb when debugging except if standard
+   debugging information only is explicitly requested.  */
+#undef  ASM_FIRST_LINE
+#define ASM_FIRST_LINE(FILE)						\
+  do {									\
+    if (VERSION_0300_SYNTAX)						\
+      fprintf (FILE, "%s\t \"03.00\"\n", VERSION_ASM_OP);		\
+    if (write_symbols != NO_DEBUG					\
+	&& ! (TARGET_STANDARD && ! TARGET_LEGEND))			\
+      {									\
+	fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"",	\
+		 VERSION_STRING, main_input_filename);			\
+	fputs (flag_traditional ? " -lc" : " -lansi-c", FILE);		\
+	if (TARGET_STANDARD)						\
+	  fputs (" -keep-std", FILE);					\
+	if (TARGET_EXTERNAL_LEGEND)					\
+	  fputs (" -external", FILE);					\
+	if (TARGET_OCS_FRAME_POSITION)					\
+	  fputs (" -ocs", FILE);					\
+	fputc ('\n', FILE);						\
+      }									\
+  } while (0)
+
+/* Override svr4.h.  */
+#undef PTRDIFF_TYPE
+#undef WCHAR_TYPE
+#undef WCHAR_TYPE_SIZE
+
+/* Override svr4.h and m88k.h except when compling crtstuff.c.  */
+#if !defined (CRT_BEGIN) && !defined (CRT_END)
+#if 0 /* The SVR4 init method doesn't yet work.  */
+#undef	INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP (VERSION_0300_SYNTAX		\
+			     ? "\tsection\t .init,\"xa\"\n"	\
+			     : "\tsection\t .init,\"x\"\n")
+#endif
+#undef	CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX		\
+			      ? "\tsection\t .ctors,\"aw\"\n"	\
+			      : "\tsection\t .ctors,\"d\"\n")
+#undef	DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP (VERSION_0300_SYNTAX		\
+			      ? "\tsection\t .dtors,\"aw\"\n"	\
+			      : "\tsection\t .dtors,\"d\"\n")
+#endif /* crtstuff.c */