entered into RCS

From-SVN: r3664

4 files changed, 249 insertions, 0 deletions

diff --git a/gcc/config/i386/sco4dbx.h b/gcc/config/i386/sco4dbx.h
new file mode 100644
index 0000000..e0454e4
--- /dev/null
+++ b/gcc/config/i386/sco4dbx.h
@@ -0,0 +1,80 @@
+/* Definitions for Intel 386 running SCO Unix System V 3.2 Version 4.s,
+   using dbx-in-coff encapsulation.
+   Copyright (C) 1992 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.  */
+
+
+/* Mostly it's like earlier SCO UNIX.  */
+
+#include "i386/scodbx.h"
+
+/* Use crt1.o as a startup file and crtn.o as a closing file.  */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!r:%{!z:gcc.ifile%s}%{z:gccz.ifile%s}}\
+  %{scoxpg3:%{p:mcrt1X.o%s}%{!p:crt1X.o%s}} \
+  %{!scoxpg3:\
+   %{posix:%{p:mcrt1P.o%s}%{!p:crt1P.o%s}} \
+   %{!posix:\
+    %{ansi:%{p:mcrt1A.o%s}%{!p:crt1A.o%s}} \
+    %{!ansi:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}}}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{scoxpg3:crtnX.o%s} \
+  %{!scoxpg3:\
+   %{posix:crtnP.o%s} \
+   %{!posix:\
+    %{ansi:crtnA.o%s} \
+    %{!ansi:crtn.o%s}}}"
+
+/* Library spec.  */
+
+#undef LIB_SPEC
+#define LIB_SPEC \
+ "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} \
+ %{scoxpg3:-lcX -lcP -lcA} \
+ %{!scoxpg3:\
+  %{posix:-lcP -lcA} \
+  %{!posix:\
+   %{ansi:-lcA} \
+   %{!ansi:%{scointl:-lintl} -lc}}}"
+
+/* Macros, macros everywhere:
+   Specify predefined symbols in preprocessor.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Di386 -Dunix"
+
+#undef CPP_SPEC
+#define CPP_SPEC \
+ "-D_M_I386 -D_M_I86 -D_M_I86SM -D_M_SDATA -D_M_STEXT \
+  -D_M_UNIX -D_M_XENIX \
+  -D_M_SYS5 -D_M_SYSV -D_M_SYS3 -D_M_SYSIII \
+  -D_M_COFF -D_M_BITFIELDS -D_M_WORDSWAP \
+  %{scoxpg3:-D_XOPEN_SOURCE -D_STRICT_NAMES} \
+  %{!scoxpg3:%{posix:-D_POSIX_SOURCE -D_STRICT_NAMES}} \
+  %{!scoxpg3:%{!posix:\
+    %{ansi:-D_STRICT_NAMES}%{!ansi:\
+    -DM_I386 -DM_I86 -DM_I86SM -DM_SDATA -DM_STEXT \
+    -DM_UNIX -DM_XENIX \
+    -DM_SYS5 -DM_SYSV -DM_SYS3 -DM_SYSIII \
+    -DM_COFF -DM_BITFIELDS -DM_WORDSWAP \
+    %{scointl:-D_M_INTERNAT -DM_INTERNAT} \
+    %{traditional:-D_KR -D_SVID -D_NO_PROTOTYPE}}}}"
diff --git a/gcc/config/i386/svr3.ifile b/gcc/config/i386/svr3.ifile
new file mode 100644
index 0000000..f0bb3a0
--- /dev/null
+++ b/gcc/config/i386/svr3.ifile
@@ -0,0 +1,45 @@
+/*
+ *      svr3.ifile - for collectless G++ on i386 System V.
+ *	Leaves memory configured at address 0.
+ *	
+ *      Install this file as $prefix/gcc-lib/TARGET/VERSION/gcc.ifile
+ *
+ *	BLOCK to an offset that leaves room for many headers ( the value
+ *	here allows for a file header, an outheader, and up to 11 section 
+ *	headers on most systems.
+ *	BIND to an address that includes page 0 in mapped memory. The value
+ *	used for BLOCK should be or'd into this value. Here I'm setting BLOCK
+ *	to 0x200 and BIND to ( value_used_for(BLOCK) )
+ *	If you are using shared libraries, watch that you don't overlap the
+ *	address ranges assigned for shared libs.
+ *
+ *	GROUP BIND to a location in the next segment.  Here, the only value
+ *	that you should change (I think) is that within NEXT, which I've set
+ *	to my hardware segment size. You can always use a larger size, but not
+ *	a smaller one.
+ */
+SECTIONS
+{
+	.text BIND(0x000200) BLOCK (0x200) :
+	{
+		 /* plenty for room for headers */
+		*(.init)
+		*(.text)
+		vfork = fork; /* I got tired of editing peoples sloppy code */
+		*(.fini)
+	}
+	GROUP BIND( NEXT(0x400000) + (ADDR(.text) + (SIZEOF(.text)) % 0x1000)):
+	{
+			.data : {
+				__CTOR_LIST__ = . ; 
+				. += 4 ;	/* leading NULL */
+				*(.ctor) 
+				. += 4 ;	/* trailing NULL */
+				__DTOR_LIST__ = . ;
+				. += 4 ;	/* leading NULL */
+				*(.dtor) 
+				. += 4 ; 	/* trailing NULL */
+			 }
+			.bss : { }
+	}
+}
diff --git a/gcc/config/i386/svr3z.ifile b/gcc/config/i386/svr3z.ifile
new file mode 100644
index 0000000..4fdbb93
--- /dev/null
+++ b/gcc/config/i386/svr3z.ifile
@@ -0,0 +1,45 @@
+/*
+ *      svr3z.ifile - for collectless G++ on i386 System V.
+ *	Leaves memory unconfigured at address 0.
+ *	
+ *      Install this file as $prefix/gcc-lib/TARGET/VERSION/gccz.ifile
+ *
+ *	BLOCK to an offset that leaves room for many headers ( the value
+ *	here allows for a file header, an outheader, and up to 11 section 
+ *	headers on most systems.
+ *	BIND to an address that excludes page 0 from being mapped. The value
+ *	used for BLOCK should be or'd into this value. Here I'm setting BLOCK
+ *	to 0x200 and BIND to ( 0x400000 | value_used_for(BLOCK) )
+ *	If you are using shared libraries, watch that you don't overlap the
+ *	address ranges assigned for shared libs.
+ *
+ *	GROUP BIND to a location in the next segment.  Here, the only value
+ *	that you should change (I think) is that within NEXT, which I've set
+ *	to my hardware segment size. You can always use a larger size, but not
+ *	a smaller one.
+ */
+SECTIONS
+{
+	.text BIND(0x400200) BLOCK (0x200) :
+	{
+		 /* plenty for room for headers */
+		*(.init)
+		*(.text)
+		vfork = fork; /* I got tired of editing peoples sloppy code */
+		*(.fini)
+	}
+	GROUP BIND( NEXT(0x400000) + (ADDR(.text) + (SIZEOF(.text)) % 0x1000)):
+	{
+			.data : {
+				__CTOR_LIST__ = . ; 
+				. += 4 ;	/* leading NULL */
+				*(.ctor) 
+				. += 4 ;	/* trailing NULL */
+				__DTOR_LIST__ = . ;
+				. += 4 ;	/* leading NULL */
+				*(.dtor) 
+				. += 4 ; 	/* trailing NULL */
+			 }
+			.bss : { }
+	}
+}
diff --git a/gcc/config/i386/v3gas.h b/gcc/config/i386/v3gas.h
new file mode 100644
index 0000000..18053ec
--- /dev/null
+++ b/gcc/config/i386/v3gas.h
@@ -0,0 +1,79 @@
+/* Definitions for Intel 386 running system V, using gas.
+   Copyright (C) 1992 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 "gas.h"
+
+/* Add stuff that normally comes from i386v.h */
+
+/* longjmp may fail to restore the registers if called from the same
+   function that called setjmp.  To compensate, the compiler avoids
+   putting variables in registers in functions that use both setjmp
+   and longjmp.  */
+
+#define NON_SAVING_SETJMP \
+  (current_function_calls_setjmp && current_function_calls_longjmp)
+
+/* longjmp may fail to restore the stack pointer if the saved frame
+   pointer is the same as the caller's frame pointer.  Requiring a frame
+   pointer in any function that calls setjmp or longjmp avoids this
+   problem, unless setjmp and longjmp are called from the same function.
+   Since a frame pointer will be required in such a function, it is OK
+   that the stack pointer is not restored.  */
+
+#undef FRAME_POINTER_REQUIRED
+#define FRAME_POINTER_REQUIRED \
+  (current_function_calls_setjmp || current_function_calls_longjmp)
+
+/* Modify ASM_OUTPUT_LOCAL slightly to test -msvr3-shlib, adapted to gas  */
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)	\
+  do {							\
+    int align = exact_log2 (ROUNDED);			\
+    if (align > 2) align = 2;				\
+    if (TARGET_SVR3_SHLIB)				\
+      {							\
+	data_section ();				\
+	ASM_OUTPUT_ALIGN ((FILE), align == -1 ? 2 : align); \
+	ASM_OUTPUT_LABEL ((FILE), (NAME));		\
+	fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED));	\
+      }							\
+    else						\
+      {							\
+	fputs (".lcomm ", (FILE));			\
+	assemble_name ((FILE), (NAME));			\
+	fprintf ((FILE), ",%u\n", (ROUNDED));		\
+      }							\
+  } while (0)
+
+/* Add stuff that normally comes from i386v.h via svr3.h */
+
+/* Define the actual types of some ANSI-mandated types.  These
+   definitions should work for most SVR3 systems.  */
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "long int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE BITS_PER_WORD