entered into RCS

From-SVN: r1377

gcc/config/i386/bsd.h

+/* Definitions for BSD assembler syntax for Intel 386
+   (actually AT&T syntax for insns and operands,
+   adapted to BSD conventions for symbol names and debugging.)
+   Copyright (C) 1988 Free Software Foundation, Inc.
+
+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.  */
+
+/* Include common aspects of all 386 Unix assemblers.  */
+#include "unx386.h"
+
+/* Use the Sequent Symmetry assembler syntax.  */
+
+#define TARGET_VERSION fprintf (stderr, " (80386, BSD syntax)");
+
+/* Define the syntax of pseudo-ops, labels and comments.  */
+
+/* Prefix for internally generated assembler labels.  */
+#define LPREFIX "L"
+
+/* Assembler pseudos to introduce constants of various size.  */
+
+#define ASM_BYTE_OP "\t.byte"
+#define ASM_SHORT "\t.word"
+#define ASM_LONG "\t.long"
+#define ASM_DOUBLE "\t.double"
+
+/* Output at beginning of assembler file.
+   ??? I am skeptical of this -- RMS.  */
+
+#define ASM_FILE_START(FILE) \
+  fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);
+
+/* This was suggested, but it shouldn't be right for DBX output. -- RMS
+   #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
+
+
+/* Define the syntax of labels and symbol definitions/declarations.  */
+
+/* This is how to output an assembler line
+   that says to advance the location counter by SIZE bytes.  */
+
+#define ASM_OUTPUT_SKIP(FILE,SIZE)  \
+  fprintf (FILE, "\t.space %u\n", (SIZE))
+
+/* Define the syntax of labels and symbol definitions/declarations.  */
+
+/* This says how to output an assembler line
+   to define a global common symbol.  */
+
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
+( fputs (".comm ", (FILE)),			\
+  assemble_name ((FILE), (NAME)),		\
+  fprintf ((FILE), ",%u\n", (ROUNDED)))
+
+/* This says how to output an assembler line
+   to define a local common symbol.  */
+
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
+( fputs (".lcomm ", (FILE)),			\
+  assemble_name ((FILE), (NAME)),		\
+  fprintf ((FILE), ",%u\n", (ROUNDED)))
+
+/* This is how to output an assembler line
+   that says to advance the location counter
+   to a multiple of 2**LOG bytes.  */
+
+#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
+     if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
+
+/* This is how to store into the string BUF
+   the symbol_ref name of an internal numbered label where
+   PREFIX is the class of label and NUM is the number within the class.
+   This is suitable for output with `assemble_name'.  */
+
+#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER)	\
+    sprintf ((BUF), "*%s%d", (PREFIX), (NUMBER))
+
+/* This is how to output an internal numbered label where
+   PREFIX is the class of label and NUM is the number within the class.  */
+
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)	\
+  fprintf (FILE, "%s%d:\n", PREFIX, NUM)
+
+/* This is how to output a reference to a user-level label named NAME.  */
+
+#ifdef NO_UNDERSCORES
+#define ASM_OUTPUT_LABELREF(FILE,NAME) fprintf (FILE, "%s", NAME)
+#else
+#define ASM_OUTPUT_LABELREF(FILE,NAME) fprintf (FILE, "_%s", NAME)
+#endif /* not NO_UNDERSCORES */
+
+/* Sequent has some changes in the format of DBX symbols.  */
+#define DBX_NO_XREFS 1
+
+/* Don't split DBX symbols into continuations.  */
+#define DBX_CONTIN_LENGTH 0
+
+/* This is how to output an assembler line defining a `double' constant.  */
+
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
+  fprintf (FILE, "\t.double 0d%.20e\n", (VALUE))

gcc/config/i386/gas.h

@@ -50,6 +50,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Specify predefined symbols in preprocessor.  */
 
 #define CPP_PREDEFINES "-Dunix -Di386"
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
 
 /* Allow #sccs in preprocessor.  */
 

gcc/config/i386/isccoff.h

@@ -6,35 +6,5 @@
 
 #include "i386v.h"
 
-/* Use crt1.o, not crt0.o, as a startup file, and crtn.o as a closing file. */
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
-  "%{!shlib:%{posix:%{pg:mcrtp1.o%s}%{!pg:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}}\
-   %{!posix:%{pg:mcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}\
-   %{p:-L/lib/libp} %{pg:-L/lib/libp}}}\
-   %{shlib:%{posix:crtp1.o%s}%{!posix:crt1.o%s}} crtbegin.o%s"
-  
-#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
-
-/* Library spec */
-#undef LIB_SPEC
-#define LIB_SPEC "%{posix:-lcposix} %{shlib:-lc_s} -lc -lg"
-
-#if 0
-/* This is apparently not true: ISC versions up to 3.0,at least, use
-   the standard calling sequence in which the called function pops the
-   extra arg.  */
-/* caller has to pop the extra argument passed to functions that return
-   structures. */
-
-#undef RETURN_POPS_ARGS
-#define RETURN_POPS_ARGS(FUNTYPE,SIZE)   \
-  (TREE_CODE (FUNTYPE) == IDENTIFIER_NODE ? 0			\
-   : (TARGET_RTD						\
-      && (TYPE_ARG_TYPES (FUNTYPE) == 0				\
-	  || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE)))	\
-	      == void_type_node))) ? (SIZE)			\
-   : 0)
-/* On other 386 systems, the last line looks like this:
-   : (aggregate_value_p (FUNTYPE)) ? GET_MODE_SIZE (Pmode) : 0)  */
-#endif
+/* But with a few changes.  */
+#include "isc.h"