2001-11-12 Hans-Peter Nilsson <hp@bitrange.com>

* libc/include/machine/ieeefp.h: Add support for mmix target.
        * libc/include/machine/setjmp.h: Ditto.
        * configure.host: Ditto.
        * libc/sys/mmixware/Makefile.am, libc/sys/mmixware/_exit.c,
        libc/sys/mmixware/access.c, libc/sys/mmixware/aclocal.m4,
        libc/sys/mmixware/chmod.c, libc/sys/mmixware/chown.c,
        libc/sys/mmixware/close.c, libc/sys/mmixware/configure.in,
        libc/sys/mmixware/creat.c, libc/sys/mmixware/crt0.c,
        libc/sys/mmixware/execv.c, libc/sys/mmixware/execve.c,
        libc/sys/mmixware/fork.c, libc/sys/mmixware/fstat.c,
        libc/sys/mmixware/getpid.c, libc/sys/mmixware/gettime.c,
        libc/sys/mmixware/isatty.c, libc/sys/mmixware/kill.c,
        libc/sys/mmixware/lseek.c, libc/sys/mmixware/open.c,
        libc/sys/mmixware/pipe.c, libc/sys/mmixware/read.c,
        libc/sys/mmixware/sbrk.c, libc/sys/mmixware/setjmp.S,
        libc/sys/mmixware/stat.c, libc/sys/mmixware/sys/syscall.h,
        libc/sys/mmixware/time.c, libc/sys/mmixware/times.c,
        libc/sys/mmixware/unlink.c, libc/sys/mmixware/utime.c,
        libc/sys/mmixware/wait.c, libc/sys/mmixware/write.c: New files.
        * libc/sys/mmixware/configure, libc/sys/mmixware/Makefile.in,
        libc/sys/mmixware/aclocal.m4: Generate.
This commit is contained in:
Jeff Johnston 2001-11-12 21:04:41 +00:00
parent 5e051b1bf7
commit 8be9b48be6
39 changed files with 3471 additions and 0 deletions

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@ -1,3 +1,27 @@
2001-11-12 Hans-Peter Nilsson <hp@bitrange.com>
* libc/include/machine/ieeefp.h: Add support for mmix target.
* libc/include/machine/setjmp.h: Ditto.
* configure.host: Ditto.
* libc/sys/mmixware/Makefile.am, libc/sys/mmixware/_exit.c,
libc/sys/mmixware/access.c, libc/sys/mmixware/aclocal.m4,
libc/sys/mmixware/chmod.c, libc/sys/mmixware/chown.c,
libc/sys/mmixware/close.c, libc/sys/mmixware/configure.in,
libc/sys/mmixware/creat.c, libc/sys/mmixware/crt0.c,
libc/sys/mmixware/execv.c, libc/sys/mmixware/execve.c,
libc/sys/mmixware/fork.c, libc/sys/mmixware/fstat.c,
libc/sys/mmixware/getpid.c, libc/sys/mmixware/gettime.c,
libc/sys/mmixware/isatty.c, libc/sys/mmixware/kill.c,
libc/sys/mmixware/lseek.c, libc/sys/mmixware/open.c,
libc/sys/mmixware/pipe.c, libc/sys/mmixware/read.c,
libc/sys/mmixware/sbrk.c, libc/sys/mmixware/setjmp.S,
libc/sys/mmixware/stat.c, libc/sys/mmixware/sys/syscall.h,
libc/sys/mmixware/time.c, libc/sys/mmixware/times.c,
libc/sys/mmixware/unlink.c, libc/sys/mmixware/utime.c,
libc/sys/mmixware/wait.c, libc/sys/mmixware/write.c: New files.
* libc/sys/mmixware/configure, libc/sys/mmixware/Makefile.in,
libc/sys/mmixware/aclocal.m4: Generate.
2001-11-05 Corinna Vinschen <corinna@vinschen.de> 2001-11-05 Corinna Vinschen <corinna@vinschen.de>
* libc/include/sys/unistd.h: Add prototypes for endusershell(), * libc/include/sys/unistd.h: Add prototypes for endusershell(),

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@ -125,6 +125,8 @@ case "${host_cpu}" in
mips*) mips*)
machine_dir=mips machine_dir=mips
;; ;;
mmix)
;;
mn10200) mn10200)
machine_dir=mn10200 machine_dir=mn10200
;; ;;
@ -276,6 +278,9 @@ case "${host}" in
mips*-dec-*) mips*-dec-*)
sys_dir=decstation sys_dir=decstation
;; ;;
mmix-knuth-mmixware)
sys_dir=mmixware
;;
powerpcle-*-pe) powerpcle-*-pe)
sys_dir=cygwin sys_dir=cygwin
posix_dir=posix posix_dir=posix
@ -423,6 +428,12 @@ case "${host}" in
newlib_cflags="${newlib_cflags}" newlib_cflags="${newlib_cflags}"
syscall_dir=syscalls syscall_dir=syscalls
;; ;;
mmix-*)
syscall_dir=syscalls
# We need every symbol 32-bit aligned, so the invalid
# construct with attribute ((alias ("_ctype_b+127"))) breaks.
newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
;;
mn10?00-*-*) mn10?00-*-*)
syscall_dir=syscalls syscall_dir=syscalls
;; ;;

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@ -98,6 +98,10 @@
#define __IEEE_BIG_ENDIAN #define __IEEE_BIG_ENDIAN
#endif #endif
#ifdef __MMIX__
#define __IEEE_BIG_ENDIAN
#endif
/* necv70 was __IEEE_LITTLE_ENDIAN. */ /* necv70 was __IEEE_LITTLE_ENDIAN. */
#ifdef __W65__ #ifdef __W65__

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@ -145,6 +145,12 @@ typedef int jmp_buf[_JBLEN];
#define _JBLEN 16 #define _JBLEN 16
#endif #endif
#ifdef __MMIX__
/* Using a layout compatible with GCC's built-in. */
#define _JBLEN 5
#define _JBTYPE unsigned long
#endif
#ifdef _JBLEN #ifdef _JBLEN
#ifdef _JBTYPE #ifdef _JBTYPE
typedef _JBTYPE jmp_buf[_JBLEN]; typedef _JBTYPE jmp_buf[_JBLEN];

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@ -73,6 +73,10 @@
#define __IEEE_LITTLE_ENDIAN #define __IEEE_LITTLE_ENDIAN
#endif #endif
#ifdef __MMIX__
#define __IEEE_BIG_ENDIAN
#endif
#ifdef __AVR__ #ifdef __AVR__
#define _DOUBLE_IS_32BITS #define _DOUBLE_IS_32BITS
#define __SMALL_BITFIELDS #define __SMALL_BITFIELDS

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@ -0,0 +1,18 @@
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execv.c execve.c fork.c fstat.c getpid.c isatty.c \
kill.c lseek.c open.c pipe.c read.c \
sbrk.c stat.c time.c unlink.c utime.c wait.c write.c \
times.c gettime.c setjmp.S
all: crt0.o
ACLOCAL_AMFLAGS = -I ../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

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@ -0,0 +1,328 @@
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.NOEXPORT:

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@ -0,0 +1,26 @@
/* _exit for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
void _exit (int n)
{
/* Unfortunately, the return status is not returned by Knuth's mmix
simulator, so it seems in effect ineffective. We set it anyway;
there may be a purpose. */
__asm__ ("SET $255,%0\n\tTRAP 0,0,0"
: /* No outputs. */
: "r" (n)
: "memory");
}

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@ -0,0 +1,41 @@
/* access for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include "sys/syscall.h"
#include <errno.h>
int
access (const char *fn, int flags)
{
/* Ugh. We don't have stat (), so we can't copy the other
implementations. Opening a directory as a file usually works, so
let's try and open it and use the openability, regardless of what
kind of test or file it is. */
long ret;
/* We'll just assume that if we can open the file for reading, then it's
Z-able, no matter what Z was. */
ret = TRAP3f (SYS_Fopen, TMPFNO, fn, BinaryRead);
if (ret == 0)
{
/* Yes, this was readable. As in other simulator access functions,
we always return success in this case (though the others check
for directory access). */
TRAP1f (SYS_Fclose, TMPFNO);
return 0;
}
errno = EACCES;
return -1;
}

291
newlib/libc/sys/mmixware/aclocal.m4 vendored Normal file
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@ -0,0 +1,291 @@
dnl aclocal.m4 generated automatically by aclocal 1.4
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dnl This file is free software; the Free Software Foundation
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dnl with or without modifications, as long as this notice is preserved.
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# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
# fails, because we are probably configuring with a cross compiler
# which can't create executables. So we include AC_EXEEXT to keep
# automake happy, but we don't execute it, since we don't care about
# the result.
if false; then
AC_EXEEXT
fi
. [$]{newlib_basedir}/configure.host
case [$]{newlib_basedir} in
/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
esac
newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
case "${host}" in
*-*-cygwin*)
newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
;;
esac
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
NEWLIB_CFLAGS=${newlib_cflags}
AC_SUBST(NEWLIB_CFLAGS)
AC_SUBST(machine_dir)
AC_SUBST(sys_dir)
])
# Do all the work for Automake. This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.
# serial 1
dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])
AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
dnl FIXME This is truly gross.
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])
#
# Check to make sure that the build environment is sane.
#
AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments. Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
if test "[$]*" = "X"; then
# -L didn't work.
set X `ls -t $srcdir/configure conftestfile`
fi
if test "[$]*" != "X $srcdir/configure conftestfile" \
&& test "[$]*" != "X conftestfile $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
alias in your environment])
fi
test "[$]2" = conftestfile
)
then
# Ok.
:
else
AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])
dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
dnl The program must properly implement --version.
AC_DEFUN(AM_MISSING_PROG,
[AC_MSG_CHECKING(for working $2)
# Run test in a subshell; some versions of sh will print an error if
# an executable is not found, even if stderr is redirected.
# Redirect stdin to placate older versions of autoconf. Sigh.
if ($2 --version) < /dev/null > /dev/null 2>&1; then
$1=$2
AC_MSG_RESULT(found)
else
$1="$3/missing $2"
AC_MSG_RESULT(missing)
fi
AC_SUBST($1)])
# Add --enable-maintainer-mode option to configure.
# From Jim Meyering
# serial 1
AC_DEFUN(AM_MAINTAINER_MODE,
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
dnl maintainer-mode is disabled by default
AC_ARG_ENABLE(maintainer-mode,
[ --enable-maintainer-mode enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer],
USE_MAINTAINER_MODE=$enableval,
USE_MAINTAINER_MODE=no)
AC_MSG_RESULT($USE_MAINTAINER_MODE)
AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
MAINT=$MAINTAINER_MODE_TRUE
AC_SUBST(MAINT)dnl
]
)
# Define a conditional.
AC_DEFUN(AM_CONDITIONAL,
[AC_SUBST($1_TRUE)
AC_SUBST($1_FALSE)
if $2; then
$1_TRUE=
$1_FALSE='#'
else
$1_TRUE='#'
$1_FALSE=
fi])

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@ -0,0 +1,24 @@
/* chmod stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
chmod (const char *path, mode_t mode)
{
UNIMPLEMENTED (("path: %s, mode: %lu", path, (unsigned long) mode));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,24 @@
/* chown stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
chown (const char *path, short owner, short group)
{
UNIMPLEMENTED (("path: %s, owner: %d, group: %d", path, owner, group));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,36 @@
/* close for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_close (int file)
{
if ((unsigned int) file >= N_MMIX_FILEHANDLES
|| _MMIX_allocated_filehandle[file] == 0)
{
errno = EBADF;
return -1;
}
_MMIX_allocated_filehandle[file] = 0;
if (TRAP1f (SYS_Fclose, file) != 0)
{
errno = EIO;
return -1;
}
return 0;
}

1701
newlib/libc/sys/mmixware/configure vendored Executable file

File diff suppressed because it is too large Load Diff

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@ -0,0 +1,12 @@
dnl This is the newlib/libc/sys/mmixware configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.5)
AC_INIT(crt0.c)
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_OUTPUT(Makefile)

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@ -0,0 +1,25 @@
/* creat for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
creat (const char *path,
/* We can't set the mode, so we have to ignore it. */
mode_t mode)
{
return open (path, O_CREAT|O_WRONLY|O_TRUNC);
}

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@ -0,0 +1,16 @@
/* crt0 stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
/* At present this is just a placeholder, to be filled in, if the need
arises. The main init contents is in gcc/config/mmix/crti.asm.
I think this file is not allowed to be empty. So here goes: */
extern int _Dummy;

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@ -0,0 +1,24 @@
/* execv stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
execv (const char *path, char *const argv[])
{
UNIMPLEMENTED (("path: %s, argv: %p", path, argv));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,24 @@
/* execve stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_execve (const char *path, char *const argv[], char *const envp[])
{
UNIMPLEMENTED (("path: %s, argv: %p, envp: %p", path, argv, envp));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,24 @@
/* fork stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_fork ()
{
UNIMPLEMENTED ((""));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,24 @@
/* fstat for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
int
_fstat (int file,
struct stat *st)
{
st->st_mode = S_IFCHR;
st->st_blksize = 4096;
return 0;
}

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@ -0,0 +1,20 @@
/* getpid stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
_getpid (n)
{
return 1;
}

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@ -0,0 +1,25 @@
/* gettime stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include "sys/time.h"
#include <errno.h>
int
_gettimeofday (struct timeval *tp, void *tzp)
{
UNIMPLEMENTED (("timeval: %p, tzp: %p", tp, tzp));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,21 @@
/* isatty for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
isatty (fd)
int fd;
{
return fd == 0 || fd == 1 || fd == 2;
}

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@ -0,0 +1,26 @@
/* kill for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
_kill (n, m)
{
if (n == 1)
return TRAP1i (SYS_halt, 0);
errno = EPERM;
return -1;
}

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@ -0,0 +1,61 @@
/* lseek for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/unistd.h>
#include "sys/syscall.h"
#include <errno.h>
off_t
_lseek (int file,
off_t ptr,
int dir)
{
off_t simoff = dir == SEEK_END ? -(ptr + 1) : ptr;
long ret;
if ((unsigned int) file >= 32 || _MMIX_allocated_filehandle[file] == 0)
{
errno = EBADF;
return -1;
}
if (dir == SEEK_CUR)
{
long curpos = TRAP2f (SYS_Ftell, file, 0);
if (curpos == -1)
{
errno = EIO;
return -1;
}
ptr += (off_t) curpos;
}
ret = TRAP2f (SYS_Fseek, file, simoff);
if (ret == -1)
{
return -1;
errno = EIO;
}
ret = TRAP2f (SYS_Ftell, file, 0);
if (ret == -1)
{
errno = EIO;
return -1;
}
return ret;
}

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@ -0,0 +1,106 @@
/* open for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <fcntl.h>
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
/* Let's keep the filehandle array here, since this is a primary
initializer of it. */
unsigned char _MMIX_allocated_filehandle[32] =
{
1,
1,
1,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
int
_open (const char *path,
int flags, ...)
{
long fileno;
unsigned char mode;
long fffile = 0;
long ret;
for (fileno = 0;
fileno < (sizeof (_MMIX_allocated_filehandle) /
sizeof (_MMIX_allocated_filehandle[0]));
fileno++)
if (_MMIX_allocated_filehandle[fileno] == 0)
break;
if (fileno == (sizeof (_MMIX_allocated_filehandle) /
sizeof (_MMIX_allocated_filehandle[0])))
{
errno = EMFILE;
return -1;
}
/* We map this to a fopen call. The flags parameter is stymied because
we don't support more other than these flags. */
if (flags & ~(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_APPEND | O_TRUNC))
{
UNIMPLEMENTED (("path: %s, flags: %d", path, flags));
errno = ENOSYS;
return -1;
}
if ((flags & O_ACCMODE) == O_RDONLY)
mode = BinaryRead;
else if ((flags & (O_WRONLY | O_APPEND)) == (O_WRONLY | O_APPEND))
{
mode = BinaryReadWrite;
fffile = 1;
}
else if ((flags & (O_RDWR | O_APPEND)) == (O_RDWR | O_APPEND))
{
mode = BinaryReadWrite;
fffile = 1;
}
else if ((flags & (O_WRONLY | O_CREAT)) == (O_WRONLY | O_CREAT)
|| (flags & (O_WRONLY | O_TRUNC)) == (O_WRONLY | O_TRUNC))
mode = BinaryWrite;
else if ((flags & (O_RDWR | O_CREAT)) == (O_RDWR | O_CREAT))
mode = BinaryReadWrite;
else if (flags & O_RDWR)
mode = BinaryReadWrite;
else
{
errno = EINVAL;
return -1;
}
ret = TRAP3f (SYS_Fopen, fileno, path, mode);
if (ret < 0)
{
/* It's totally unknown what the error was. We'll just take our
chances and assume ENOENT. */
errno = ENOENT;
return -1;
}
_MMIX_allocated_filehandle[fileno] = 1;
if (fffile)
{
TRAP2f (SYS_Fseek, fileno, -1);
}
return fileno;
}

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@ -0,0 +1,24 @@
/* pipe stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
pipe (int *fd)
{
UNIMPLEMENTED (("fd: %p", fd));
errno = ENOSYS;
return -1;
}

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@ -0,0 +1,49 @@
/* read for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_read (int file,
char *ptr,
size_t len)
{
long ret;
if ((unsigned int) file >= 32 || _MMIX_allocated_filehandle[file] == 0)
{
errno = EBADF;
return -1;
}
ret = TRAP3f (SYS_Fread, file, ptr, len);
/* Map the return codes:
-1-len: an error. We return -1.
0: success. We return len.
n-len: end-of-file after n chars read. We return n. */
if (ret == 0)
return len;
if (ret == -1 - (long) len)
{
/* We don't know the nature of the failure, so this is an
approximation. */
errno = EIO;
return -1;
}
return ret + len;
}

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@ -0,0 +1,41 @@
/* sbrk for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
extern char *_Sbrk_high;
/* When the program is loaded, the first location in Pool_Segment holds
the first available octabyte in the memory pool (a.k.a. the heap);
somewhere after the command-line parameters. We don't have to
initialize that location, we can just use it straight up as a pointer;
just point the symbol there.
This file will be compiled with -no-builtin-syms, so we need to define
Pool_Segment and any other symbols that would be predefined in mmixal. */
__asm__ (" .global _Sbrk_high\n"
"_Sbrk_high IS Pool_Segment\n"
"Pool_Segment IS 0x40<<56");
caddr_t
_sbrk (size_t incr)
{
extern char end; /* Defined by the linker */
char *prev_heap_end;
prev_heap_end = _Sbrk_high;
_Sbrk_high += incr;
return (caddr_t) prev_heap_end;
}

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@ -0,0 +1,85 @@
/* Setjmp and longjmp for mmix.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
jmp_buf[5]:
0: fp
1: rJ (return-address)
2: sp
3: rO *before* the setjmp call.
4: temporary storage. Reserved between setjmp and longjmp. */
#ifdef __MMIX_ABI_GNU__
#define arg1 $231
#define arg2 $232
#define outret $231
#define popval 0
#else
#define arg1 $0
#define arg2 $1
#define outret $0
#define popval 1
#endif
.section .text.setjmp,"ax",@progbits
.global setjmp
setjmp:
% Store fp, sp and return address. Recycle the static-chain and
% structure-return registers as temporary register, since we need to keep
% the jmp_buf (parameter 1) and the return address across a "POP".
SET $251,arg1
STOU $253,$251,0
GET $252,rJ
STOU $252,$251,8
STOU $254,$251,16
SETL outret,0
% Jump through hoops to get the value of rO *before* the setjmp call.
GETA $255,0f
PUT rJ,$255
POP popval,0
0:
GET $255,rO
STOU $255,$251,24
GO $255,$252,0
.size setjmp,.-setjmp
.section .text.longjmp,"ax",@progbits
.global longjmp
longjmp:
% Reset arg2 to 1 if it is 0 (see longjmp(2)) and store it in jmp_buf.
% Save arg1 in a global register, since it will be destroyed by the POPs
% (in the mmixware ABI).
CSZ arg2,arg2,1
STOU arg2,arg1,32
SET $251,arg1
% Loop and "POP 0,0" until rO is the expected value, like
% the expansion of nonlocal_goto_receiver, except that we put the return
% value in the right register and make sure that the POP causes it to
% enter the right return-value register as seen by the caller. For the
% GNU ABI, it is unnecessary to do this in the loop and perhaps the memory
% access can be hoisted outside the loop, but this is safe and simple and
% I see no need to optimize longjmps.
GETA $255,0f
PUT rJ,$255
LDOU $255,$251,24
0:
GET $252,rO
CMPU $252,$252,$255
BNP $252,1f
LDOU outret,$251,32
POP popval,0
1:
LDOU $253,$251,0
LDOU $255,$251,8
LDOU $254,$251,16
GO $255,$255,0
.size longjmp,.-longjmp

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/* stat stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_stat (const char *path, struct stat *st)
{
UNIMPLEMENTED (("path: %s, st: %p", path, st));
errno = ENOSYS;
return -1;
}

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/* syscall defines for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
/* These are the mmixware simulator calls that are of use in newlib. */
#define SYS_halt 0
#define SYS_Fopen 1
#define SYS_Fclose 2
#define SYS_Fread 3
#define SYS_Fwrite 6
#define SYS_Fseek 9
#define SYS_Ftell 10
enum MMIX_filemode
{
TextRead = 0,
TextWrite = 1,
BinaryRead = 2,
BinaryWrite = 3,
BinaryReadWrite = 4
};
#define N_MMIX_FILEHANDLES 32
/* We store a bitmap of allocated filehandles
_MMIX_allocated_filehandle[fileno] in an array. There are 32 of them.
Indexes 0, 1 and 2 are allocated from start. The reason we keep track
of them is that *we* have to allocate a filehandle when opening a file.
Had we got a filehandle from the simulator, we wouldn't have to keep
track of it. A value of 0 denotes a free handle. */
extern unsigned char _MMIX_allocated_filehandle[N_MMIX_FILEHANDLES];
/* We use this file-handle number as a temporary; not used by usual file
I/O. */
#define TMPFNO 127
/* Simulator call with one argument. Also used for zero-argument calls;
pass a zero as ARG1. */
#define TRAP1i(FUN, ARG1) \
({ long ret_; \
__asm__ ("TRAP 0,%1,%2\n\tSET %0,$255" \
: "=r" (ret_) : "i" (FUN), "i" (ARG1) \
: "memory"); \
ret_; \
})
/* Helper macros to cope with the file-handle parameter to the simulator
being *constant*. We support up to 32 simultaneously open files. */
#define I3f(FUN, ARG1, N, ARGS) \
if (ARG1 == N) \
__asm__ ("SET $255,%3\n\tTRAP 0,%1,%2\n\tSET %0,$255" \
: "=r" (ret_) : "i" (FUN), "i" (N), "r" (ARGS) \
: "memory")
/* Using if:s rather than switches to help GCC optimize the rest away. */
#define DO32(FUN, ARG1, ARGS) \
I3f (FUN, ARG1, 0, ARGS); \
else I3f (FUN, ARG1, 1, ARGS); \
else I3f (FUN, ARG1, 2, ARGS); \
else I3f (FUN, ARG1, 3, ARGS); \
else I3f (FUN, ARG1, 4, ARGS); \
else I3f (FUN, ARG1, 5, ARGS); \
else I3f (FUN, ARG1, 6, ARGS); \
else I3f (FUN, ARG1, 7, ARGS); \
else I3f (FUN, ARG1, 8, ARGS); \
else I3f (FUN, ARG1, 9, ARGS); \
else I3f (FUN, ARG1, 10, ARGS); \
else I3f (FUN, ARG1, 11, ARGS); \
else I3f (FUN, ARG1, 12, ARGS); \
else I3f (FUN, ARG1, 13, ARGS); \
else I3f (FUN, ARG1, 14, ARGS); \
else I3f (FUN, ARG1, 15, ARGS); \
else I3f (FUN, ARG1, 16, ARGS); \
else I3f (FUN, ARG1, 17, ARGS); \
else I3f (FUN, ARG1, 18, ARGS); \
else I3f (FUN, ARG1, 19, ARGS); \
else I3f (FUN, ARG1, 20, ARGS); \
else I3f (FUN, ARG1, 21, ARGS); \
else I3f (FUN, ARG1, 22, ARGS); \
else I3f (FUN, ARG1, 23, ARGS); \
else I3f (FUN, ARG1, 24, ARGS); \
else I3f (FUN, ARG1, 25, ARGS); \
else I3f (FUN, ARG1, 26, ARGS); \
else I3f (FUN, ARG1, 27, ARGS); \
else I3f (FUN, ARG1, 28, ARGS); \
else I3f (FUN, ARG1, 29, ARGS); \
else I3f (FUN, ARG1, 30, ARGS); \
else I3f (FUN, ARG1, 31, ARGS); \
else \
{ \
errno = EBADF; \
return -1; \
}
#define TRAP1f(FUN, ARG1) \
({ long ret_; \
DO32 (FUN, ARG1, 0); \
ret_; \
})
#define TRAP2f(FUN, ARG1, ARG2) \
({ long ret_; \
DO32 (FUN, ARG1, ARG2); \
ret_; \
})
#define TRAP3f(FUN, ARG1, ARG2, ARG3) \
({ long ret_; \
unsigned long args_[] \
= { (unsigned long) (ARG2), (unsigned long) (ARG3) }; \
DO32 (FUN, ARG1, args_); \
ret_; \
})
#ifndef __GNUC__
/* Probably will not happen. Nevertheless... */
# define UNIMPLEMENTED(MSG)
#else
# define UNIMPLEMENTED(MSG) UNIMPLEMENTEDi MSG
# define UNIMPLEMENTEDi(MSG, ARGS...) \
do { \
char buf[2000]; \
sprintf (buf, "UNIMPLEMENTED %s in %s\n", __FUNCTION__, __FILE__); \
write (2, buf, strlen (buf)); \
sprintf (buf, MSG , ##ARGS); \
write (2, buf, strlen (buf)); \
write (2, "\n", 1); \
} while (0)
#endif

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/* time stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
time_t
time (time_t *tloc)
{
/* Nowhere to get time reasonably from; neither of rC, rI and rU seems
usable without assuming some scaling of mems and oops to real time. */
time_t thetime = 0;
if (tloc)
*tloc = thetime;
return thetime;
}

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/* times stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include "sys/times.h"
clock_t
times (struct tms *buffer)
{
memset (buffer, 0, sizeof (*buffer));
return 0;
}

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/* unlink stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
int
_unlink ()
{
return -1;
}

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/* utime stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
utime (path, times)
const char *path;
char *times;
{
UNIMPLEMENTED (("path: %s, times: %p", path, times));
errno = ENOSYS;
return -1;
}

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/* wait stub for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_wait (statusp)
int *statusp;
{
UNIMPLEMENTED (("statusp: %p", statusp));
errno = ENOSYS;
return -1;
}

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/* write for MMIXware.
Copyright (C) 2001 Hans-Peter Nilsson.
Permission to use, copy, modify, and distribute this software is freely
granted, provided that this notice is preserved with no changes.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. */
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
#include <errno.h>
int
_write ( int file,
char *ptr,
size_t len)
{
long ret;
if ((unsigned int) file >= 32 || _MMIX_allocated_filehandle[file] == 0)
{
errno = EBADF;
return -1;
}
ret = TRAP3f (SYS_Fwrite, file, ptr, len);
if (ret < 0)
{
errno = EIO;
return -1;
}
return len;
}