config.gcc (alpha64-dec-*vms*): New case.

	* config.gcc (alpha64-dec-*vms*): New case.
	* config/alpha/t-vms64, config/alpha/vms-crt0-64.c: New files.
	* config/alpha/vms-psxcrt0-64.c, config/alpha/vms64.h: Likewise.
	* config/alpha/xm-vms64.h: Likewise.

From-SVN: r48001

7 files changed, 318 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f3809bd..be8e7b4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 Fri Dec 14 07:29:52 2001  Douglas B. Rupp  <rupp@gnat.com>
 
+	* config.gcc (alpha64-dec-*vms*): New case.
+	* config/alpha/t-vms64, config/alpha/vms-crt0-64.c: New files.
+	* config/alpha/vms-psxcrt0-64.c, config/alpha/vms64.h: Likewise.
+	* config/alpha/xm-vms64.h: Likewise.
+
 	* config/alpha/alpha.c (vms_attribute_table): Add new attributes.
 	(alpha_write_linkage): Test for null alpha_links.
 	(SECTION_VMS_GLOBAL, SECTION_VMS_INITIALIZE): New section attributes.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index ab25361..a98b7d5 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -519,6 +519,23 @@ alpha*-*-vxworks*)
 	use_collect2=yes
 	thread_file='vxworks'
 	;;
+alpha64-dec-*vms*)
+	xm_defines=POSIX
+	tm_file="alpha/vms.h alpha/vms64.h"
+	xm_file="alpha/xm-vms.h alpha/xm-vms64.h"
+	tmake_file="alpha/t-alpha alpha/t-vms alpha/t-vms64 alpha/t-ieee"
+	xmake_file=alpha/x-vms
+	exeext=.exe
+	# This removes the cpu type and manufacturer components and
+	#  replaces "." with "_" in the operating system version.
+	case $host in *-*-*vms*)
+		target_alias=`echo $host \
+		  | sed 's/.*-.*-\(.*\)$/\1/' | sed 's/\./_/g'`
+		;;
+	esac
+	prefix=/gnu
+	local_prefix=/gnu
+	;;
 alpha*-dec-*vms*)
 	xm_defines=POSIX
 	tm_file=alpha/vms.h
diff --git a/gcc/config/alpha/t-vms64 b/gcc/config/alpha/t-vms64
new file mode 100644
index 0000000..e3fc3be
--- /dev/null
+++ b/gcc/config/alpha/t-vms64
@@ -0,0 +1,8 @@
+# Assemble startup files.
+vcrt0.o: $(CRT0_S) $(GCC_PASSES)
+	decc -c /names=as_is /pointer_size=64  \
+	     $(srcdir)/config/alpha/vms-crt0-64.c -o vcrt0.o
+
+pcrt0.o: $(CRT0_S) $(GCC_PASSES)
+	decc -c /names=as_is /pointer_size=64 \
+	     $(srcdir)/config/alpha/vms-psxcrt0-64.c -o pcrt0.o
diff --git a/gcc/config/alpha/vms-crt0-64.c b/gcc/config/alpha/vms-crt0-64.c
new file mode 100644
index 0000000..4120a6b
--- /dev/null
+++ b/gcc/config/alpha/vms-crt0-64.c
@@ -0,0 +1,99 @@
+/* VMS 64bit crt0 returning VMS style condition codes .
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   Contributed by Douglas B. Rupp (rupp@gnat.com).
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#if !defined(__DECC)
+You Lose! This file can only be compiled with DEC C.
+#else
+
+/* This file can only be compiled with DEC C, due the the call to
+   lib$establish and the pragmas pointer_size.  */
+
+#pragma __pointer_size short
+
+#include <stdlib.h>
+#include <string.h>
+#include <ssdef.h>
+
+extern void decc$main ();
+
+extern int main ();
+
+static int
+handler (sigargs, mechargs)
+     void *sigargs;
+     void *mechargs;
+{
+  return SS$_RESIGNAL;
+}
+
+int
+__main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
+     void *arg1, *arg2, *arg3;
+     void *image_file_desc;
+     void *arg5, *arg6;
+{
+  int argc;
+  char **argv;
+  char **envp;
+
+#pragma __pointer_size long
+
+  int i;
+  char **long_argv;
+  char **long_envp;
+
+#pragma __pointer_size short
+
+  lib$establish (handler);
+  decc$main (arg1, arg2, arg3, image_file_desc,
+	     arg5, arg6, &argc, &argv, &envp);
+
+#pragma __pointer_size long
+
+  /* Reallocate argv with 64 bit pointers. */
+  long_argv = (char **) malloc (sizeof (char *) * (argc + 1));
+
+  for (i = 0; i < argc; i++)
+    long_argv[i] = strdup (argv[i]);
+
+  long_argv[argc] = (char *) 0;
+
+  long_envp = (char **) malloc (sizeof (char *) * 5);
+
+  for (i = 0; envp[i]; i++)
+    long_envp[i] = strdup (envp[i]);
+
+  long_envp[i] = (char *) 0;
+
+#pragma __pointer_size short
+
+  return main (argc, long_argv, long_envp);
+}
+#endif
diff --git a/gcc/config/alpha/vms-psxcrt0-64.c b/gcc/config/alpha/vms-psxcrt0-64.c
new file mode 100644
index 0000000..be3e70d
--- /dev/null
+++ b/gcc/config/alpha/vms-psxcrt0-64.c
@@ -0,0 +1,128 @@
+/* VMS 64bit crt0 returning Unix style condition codes .
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   Contributed by Douglas B. Rupp (rupp@gnat.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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#if !defined(__DECC)
+You Lose! This file can only be compiled with DEC C.
+#else
+
+/* This file can only be compiled with DEC C, due the the call to
+   lib$establish and the pragmas pointer_size.  */
+
+#pragma __pointer_size short
+
+#include <stdlib.h>
+#include <string.h>
+#include <ssdef.h>
+#include <stsdef.h>
+#include <errnodef.h>
+
+extern void decc$main ();
+extern int main ();
+
+static int
+handler (sigargs, mechargs)
+     void *sigargs;
+     void *mechargs;
+{
+  return SS$_RESIGNAL;
+}
+
+int
+__main (arg1, arg2, arg3, image_file_desc, arg5, arg6)
+     void *arg1, *arg2, *arg3;
+     void *image_file_desc;
+     void *arg5, *arg6)
+{
+  int argc;
+  char **argv;
+  char **envp;
+
+#pragma __pointer_size long
+
+  int i;
+  char **long_argv;
+  char **long_envp;
+  int status;
+
+#pragma __pointer_size short
+
+  lib$establish (handler);
+  decc$main (arg1, arg2, arg3, image_file_desc,
+	     arg5, arg6, &argc, &argv, &envp);
+
+#pragma __pointer_size long
+
+  /* Reallocate argv with 64 bit pointers. */
+  long_argv = (char **) malloc (sizeof (char *) * (argc + 1));
+
+  for (i = 0; i < argc; i++)
+    long_argv[i] = strdup (argv[i]);
+
+  long_argv[argc] = (char *) 0;
+
+  long_envp = (char **) malloc (sizeof (char *) * 5);
+
+  for (i = 0; envp[i]; i++)
+    long_envp[i] = strdup (envp[i]);
+
+  long_envp[i] = (char *) 0;
+
+#pragma __pointer_size short
+
+  status = main (argc, long_argv, long_envp);
+
+  /* Map into a range of 0 - 255.  */
+  status = status & 255;
+
+  if (status > 0)
+    {
+      int save_status = status;
+
+      status = C$_EXIT1 + ((status - 1) << STS$V_MSG_NO);
+
+      /* An exit failure status requires a "severe" error.  All status values
+	 are defined in errno with a successful (1) severity but can be
+	 changed to an error (2) severity by adding 1.  In addition for
+	 compatibility with UNIX exit() routines we inhibit a run-time error
+	 message from being generated on exit(1).  */
+
+      if (save_status == 1)
+	{
+	  status++;
+	  status |= STS$M_INHIB_MSG;
+	}
+    }
+
+  if (status == 0)
+    status = SS$_NORMAL;
+
+  return status;
+}
+#endif
diff --git a/gcc/config/alpha/vms64.h b/gcc/config/alpha/vms64.h
new file mode 100644
index 0000000..3b4f587
--- /dev/null
+++ b/gcc/config/alpha/vms64.h
@@ -0,0 +1,32 @@
+/* Output variables, constants and external declarations, for GNU compiler.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   Contributed by Douglas Rupp (rupp@gnat.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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Defaults to BITS_PER_WORD, e.g. 64 which is what is wanted.
+  This is incompatible with DEC C, but matches DEC Ada */
+#undef LONG_TYPE_SIZE
+
+/* Defaults to "long int" */
+#undef SIZE_TYPE
+#undef PTRDIFF_TYPE
+
+#undef POINTERS_EXTEND_UNSIGNED
+#undef POINTER_SIZE
+#define POINTER_SIZE 64
diff --git a/gcc/config/alpha/xm-vms64.h b/gcc/config/alpha/xm-vms64.h
new file mode 100644
index 0000000..26fd829
--- /dev/null
+++ b/gcc/config/alpha/xm-vms64.h
@@ -0,0 +1,29 @@
+/* Configuration for GNU C-compiler for openVMS/Alpha.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   Contributed by Douglas Rupp (rupp@gnat.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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#undef HOST_WIDE_INT
+
+/* Since DEC C long != Gnu C long */
+#define HOST_PTR_PRINTF "%llx"
+#define HOST_WIDE_INT_PRINT_DEC "%lld"
+#define HOST_WIDE_INT_PRINT_UNSIGNED "%llu"
+#define HOST_WIDE_INT_PRINT_HEX "0x%llx"
+#define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"