initial import

38 files changed, 2725 insertions, 0 deletions

diff --git a/sysdeps/standalone/Dist b/sysdeps/standalone/Dist
new file mode 100644
index 0000000000..b6b12b709a
--- /dev/null
+++ b/sysdeps/standalone/Dist
@@ -0,0 +1,2 @@
+filedesc.h
+standalone.h
diff --git a/sysdeps/standalone/Subdirs b/sysdeps/standalone/Subdirs
new file mode 100644
index 0000000000..4125ae86db
--- /dev/null
+++ b/sysdeps/standalone/Subdirs
@@ -0,0 +1,4 @@
+# The `bare' subdirectory defines some structure for a target-specific
+# library of functions which are actually implemented in
+# sysdeps/standalone/CPU/TARGET.
+bare
diff --git a/sysdeps/standalone/brk.c b/sysdeps/standalone/brk.c
new file mode 100644
index 0000000000..67fbf771a0
--- /dev/null
+++ b/sysdeps/standalone/brk.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
+   Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdlib.h>
+
+PTR __curbrk;
+PTR __rorig;
+PTR __rlimit;
+
+int
+DEFUN(__brk, (inaddr), PTR inaddr)
+{
+
+  if ( ( (void *)inaddr > (void *)__rlimit ) || 
+                        ( (void *)inaddr < (void *)__rorig ) ) 
+    return -1;
+
+  __curbrk = inaddr;
+  return 0;
+}
+
+/* Initialization Code for Memory Allocation */
+
+PTR __C_heap_start;
+int __C_heap_size;
+ 
+#ifdef HAVE_GNU_LD
+static
+#endif
+void
+DEFUN(__NONE_set_memvals, (argc, argv, envp),
+      int argc AND char **argv AND char **envp)
+{
+ 
+  __rorig  = 
+  __curbrk = __C_heap_start;
+  __rlimit = __curbrk + __C_heap_size;
+
+  (void) &__NONE_set_memvals;    /* Avoid "defined but not used" warning.  */
+}
+ 
+#ifdef  HAVE_GNU_LD
+text_set_element (__libc_subinit, __NONE_set_memvals);
+#endif
+
+weak_alias (__brk, brk)
diff --git a/sysdeps/standalone/close.c b/sysdeps/standalone/close.c
new file mode 100644
index 0000000000..59b607305f
--- /dev/null
+++ b/sysdeps/standalone/close.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+   Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
+     On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <stdio_lim.h>
+#include "filedesc.h"
+
+/* Close the file descriptor FD.  */
+int
+DEFUN(__close, (fd), int fd)
+{
+  if ( !__FD_Is_valid( fd ) || !__FD_Table[ fd ].in_use )
+    {
+      errno = EBADF;
+      return -1;
+    }
+
+  __FD_Table[ fd ].in_use = 0;
+  return 0;
+}
+
+
+weak_alias (__close, close)
diff --git a/sysdeps/standalone/dirstream.h b/sysdeps/standalone/dirstream.h
new file mode 100644
index 0000000000..20c4922fb9
--- /dev/null
+++ b/sysdeps/standalone/dirstream.h
@@ -0,0 +1,43 @@
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#ifndef	_DIRSTREAM_H
+
+#define	_DIRSTREAM_H	1
+
+#define __need_size_t
+#include <stddef.h>
+
+/* Directory stream type.
+
+   The miscellaneous Unix `readdir' implementations read directory data
+   into a buffer and fill in a `struct dirent' copy in the `DIR' object. */
+
+typedef struct
+  {
+    int __fd;			/* File descriptor.  */
+
+    char *__data;		/* Directory block.  */
+    size_t __allocation;	/* Space allocated for the block.  */
+    size_t __offset;		/* Current offset into the block.  */
+    size_t __size;		/* Total valid data in the block.  */
+
+    struct dirent __entry;	/* Returned by `readdir'.  */
+  } DIR;
+
+#endif	/* dirstream.h */
diff --git a/sysdeps/standalone/filedesc.h b/sysdeps/standalone/filedesc.h
new file mode 100644
index 0000000000..bf3b6a9f0c
--- /dev/null
+++ b/sysdeps/standalone/filedesc.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+   Ported to standalone by Joel Sherrill jsherril@redstone-emh2.army.mil,
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+ 
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+ 
+The GNU C Library 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
+Library General Public License for more details.
+ 
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *  This is the file descriptor used by the no OS implementation
+ *  of __open, __read, __write, and __close.
+ */
+
+#ifndef __FILEDESC_h
+#define __FILEDESC_h
+
+#include <stdio_lim.h>
+
+#ifndef __DECLARE_FILE_DESCRIPTORS__
+#define FILEDESC_EXTERN extern
+#else
+#define FILEDESC_EXTERN 
+#endif
+
+typedef struct {
+  int  in_use;         /* 1 if in use, 0 otherwise */
+  int  flags;          /* Flags from open */
+}   __no_os_file_descriptor;
+
+#define __FD_Is_valid( _fd ) \
+  ( (_fd) >= 0 && (_fd) < FOPEN_MAX )
+
+FILEDESC_EXTERN __no_os_file_descriptor __FD_Table[ FOPEN_MAX ];
+
+#endif
diff --git a/sysdeps/standalone/i386/Dist b/sysdeps/standalone/i386/Dist
new file mode 100644
index 0000000000..98d13be9af
--- /dev/null
+++ b/sysdeps/standalone/i386/Dist
@@ -0,0 +1 @@
+i386.h
diff --git a/sysdeps/standalone/i386/force_cpu386/Dist b/sysdeps/standalone/i386/force_cpu386/Dist
new file mode 100644
index 0000000000..8b7b09e10a
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/Dist
@@ -0,0 +1 @@
+target.ld
diff --git a/sysdeps/standalone/i386/force_cpu386/Makefile b/sysdeps/standalone/i386/force_cpu386/Makefile
new file mode 100644
index 0000000000..8483724ee3
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/Makefile
@@ -0,0 +1,24 @@
+# Copyright (C) 1994 Free Software Foundation, Inc.
+# Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+#   On-Line Applications Research Corporation.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public License
+# as published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+
+# The GNU C Library 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB.  If
+# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+# Cambridge, MA 02139, USA.
+
+ifeq (bare,$(subdir))
+install-others += $(libdir)/force_cpu386.ld
+$(libdir)/force_cpu386.ld: $(sysdep_dir)/standalone/i386/target.ld
+	$(do-install)
+endif
diff --git a/sysdeps/standalone/i386/force_cpu386/_exit.c b/sysdeps/standalone/i386/force_cpu386/_exit.c
new file mode 100644
index 0000000000..011bb8bda9
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/_exit.c
@@ -0,0 +1,47 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+/* This returns control to FORCEbug. */
+
+void DEFUN_VOID(Bsp_cleanup);
+
+/* The function `_exit' should take a status argument and simply
+   terminate program execution, using the low-order 8 bits of the
+   given integer as status.  */
+
+__NORETURN void
+DEFUN(_exit, (status), int status)
+{
+  /* status is ignored */
+  Bsp_cleanup();
+}
+
+#ifdef	 HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(_exit);
+
+#endif	/* GNU stabs.  */
diff --git a/sysdeps/standalone/i386/force_cpu386/brdinit.c b/sysdeps/standalone/i386/force_cpu386/brdinit.c
new file mode 100644
index 0000000000..0d27218121
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/brdinit.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+ 
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+ 
+The GNU C Library 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
+Library General Public License for more details.
+ 
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <standalone.h>
+#include "i386.h"
+
+/*  _Board_Initialize()
+
+This routine initializes the FORCE CPU386 board.  */
+
+void DEFUN_VOID(_Console_Initialize);
+
+void 
+DEFUN_VOID(_Board_Initialize)
+{
+  /*
+   *  FORCE documentation incorrectly states that the bus request
+   *  level is initialized to 3.  It is actually initialized by
+   *  FORCEbug to 0.
+   */
+ 
+  outport_byte( 0x00, 0x3f );      /* resets VMEbus request level */
+ 
+  _Console_Initialize();
+}
diff --git a/sysdeps/standalone/i386/force_cpu386/console.c b/sysdeps/standalone/i386/force_cpu386/console.c
new file mode 100644
index 0000000000..5d56f768ea
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/console.c
@@ -0,0 +1,163 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+ 
+This file is part of the GNU C Library.
+ 
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+ 
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WA