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2005-01-27 Hans-Peter Nilsson <hp@axis.com> 

* configure.host: Add support for cris-*-* and crisv32-*-*.
        * libc/include/machine/ieeefp.h: Ditto.
        * libc/include/machine/setjmp.h: Ditto.
        * libc/machine/cris/configure.in, libc/machine/cris/Makefile.am,
        libc/machine/cris/libcdtor.c, libc/machine/cris/setjmp.c,
        libc/machine/cris/memmove.c, libc/machine/cris/memcpy.c,
        libc/machine/cris/memset.c, libc/machine/cris/include/pthread.h,
        libc/machine/cris/sys/signal.h, libc/machine/cris/sys/fcntl.h,
        libc/machine/cris/sys/errno.h, libc/machine/cris/aclocal.m4,
        libc/machine/cris/configure, libc/machine/cris/Makefile.in: New
        files.
This commit is contained in:
Jeff Johnston 2005-01-27 23:54:46 +00:00
parent 3a26703803
commit 1815fdeab4
18 changed files with 4253 additions and 0 deletions
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14
newlib/ChangeLog
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@ -1,3 +1,17 @@
2005-01-27 Hans-Peter Nilsson <hp@axis.com>
* configure.host: Add support for cris-*-* and crisv32-*-*.
* libc/include/machine/ieeefp.h: Ditto.
* libc/include/machine/setjmp.h: Ditto.
* libc/machine/cris/configure.in, libc/machine/cris/Makefile.am,
libc/machine/cris/libcdtor.c, libc/machine/cris/setjmp.c,
libc/machine/cris/memmove.c, libc/machine/cris/memcpy.c,
libc/machine/cris/memset.c, libc/machine/cris/include/pthread.h,
libc/machine/cris/sys/signal.h, libc/machine/cris/sys/fcntl.h,
libc/machine/cris/sys/errno.h, libc/machine/cris/aclocal.m4,
libc/machine/cris/configure, libc/machine/cris/Makefile.in: New
files.
2005-01-27 Hans-Peter Nilsson <hp@axis.com> 2005-01-27 Hans-Peter Nilsson <hp@axis.com>
* testsuite/newlib.string/memmove1.c: New test. * testsuite/newlib.string/memmove1.c: New test.

7
newlib/configure.host
View File

@ -93,6 +93,9 @@ case "${host_cpu}" in
avr*) avr*)
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues" newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
;; ;;
cris | crisv32)
machine_dir=cris
;;
crx*) crx*)
machine_dir=crx machine_dir=crx
;; ;;
@ -502,6 +505,10 @@ case "${host}" in
avr*) avr*)
newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES" newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
;; ;;
cris-*-* | crisv32-*-*)
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_GETTIMEOFDAY -D_USE_WRITE"
syscall_dir=syscalls
;;
crx-*-*) crx-*-*)
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES" newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES"
syscall_dir= syscall_dir=

4
newlib/libc/include/machine/ieeefp.h
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@ -265,6 +265,10 @@
#endif /* __ARMEL__ */ #endif /* __ARMEL__ */
#endif /* __MAVERICK__ */ #endif /* __MAVERICK__ */
#ifdef __CRIS__
#define __IEEE_LITTLE_ENDIAN
#endif
#ifndef __IEEE_BIG_ENDIAN #ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN #ifndef __IEEE_LITTLE_ENDIAN
#error Endianess not declared!! #error Endianess not declared!!

4
newlib/libc/include/machine/setjmp.h
View File

@ -205,6 +205,10 @@ _BEGIN_STD_C
#define _JBLEN 8 #define _JBLEN 8
#endif #endif
#ifdef __CRIS__
#define _JBLEN 18
#endif
#ifdef _JBLEN #ifdef _JBLEN
#ifdef _JBTYPE #ifdef _JBTYPE
typedef _JBTYPE jmp_buf[_JBLEN]; typedef _JBTYPE jmp_buf[_JBLEN];

21
newlib/libc/machine/cris/Makefile.am Normal file
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@ -0,0 +1,21 @@
## Process this file with automake to generate Makefile.in
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ACLOCAL_AMFLAGS = -I ../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

382
newlib/libc/machine/cris/Makefile.in Normal file
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@ -0,0 +1,382 @@
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366
newlib/libc/machine/cris/aclocal.m4 vendored Normal file
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@ -0,0 +1,366 @@
dnl aclocal.m4 generated automatically by aclocal 1.4-p6
dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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AC_CHECK_TOOL(AS, as)
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_PROG_INSTALL
AM_MAINTAINER_MODE
# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
# at least currently, we never actually build a program, so we never
# 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
newlib_cflags="[$]{newlib_cflags} -fno-builtin"
NEWLIB_CFLAGS=${newlib_cflags}
AC_SUBST(NEWLIB_CFLAGS)
LDFLAGS=${ldflags}
AC_SUBST(LDFLAGS)
AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
# Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
# use oext, which is set in configure.host based on the target platform.
OBJEXT=${oext}
AC_SUBST(OBJEXT)
AC_SUBST(oext)
AC_SUBST(aext)
AC_SUBST(libm_machine_dir)
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([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
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 $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version}, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version}, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_REQUIRE([AC_PROG_MAKE_SET])])
# Copyright 2002 Free Software Foundation, Inc.
# This program 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.
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# AM_AUTOMAKE_VERSION(VERSION)
# ----------------------------
# Automake X.Y traces this macro to ensure aclocal.m4 has been
# generated from the m4 files accompanying Automake X.Y.
AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.4"])
# AM_SET_CURRENT_AUTOMAKE_VERSION
# -------------------------------
# Call AM_AUTOMAKE_VERSION so it can be traced.
# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
[AM_AUTOMAKE_VERSION([1.4-p6])])
#
# 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)])
# 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='#'
$1_FALSE=
fi])
# Add --enable-maintainer-mode option to configure.
# From Jim Meyering
# serial 1
AC_DEFUN([AM_MAINTAINER_MODE],
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
dnl maintainer-mode is disabled by default
AC_ARG_ENABLE(maintainer-mode,
[ --enable-maintainer-mode enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer],
USE_MAINTAINER_MODE=$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
]
)

1880
newlib/libc/machine/cris/configure vendored Executable file
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File diff suppressed because it is too large Load Diff

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

93
newlib/libc/machine/cris/include/pthread.h Normal file
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@ -0,0 +1,93 @@
/* pthread.h dummy.
Copyright (C) 2001, 2004, 2005 Axis Communications AB.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* Simple fallback-include to enable thread-enabled exception support
for libgcc, but with posix-interface to a default-dummy, so a posix
library can optionally be linked in, which isn't possible if
gthr-single.h is used. No other use is supported; *DO NOT* think
this gives you a valid pthread interface to use in your applications. */
#ifndef _PTHREAD_FAKE
#define _PTHREAD_FAKE
#ifdef __cplusplus
extern "C" {
# ifndef __THROW
# define __THROW throw ()
# endif
#else
# ifndef __THROW
# define __THROW
# endif
#endif
typedef int pthread_once_t;
typedef unsigned int pthread_key_t;
/* This must be layout-compatible with the linuxthreads type. */
typedef struct
{
int a, b;
void *c;
int d;
struct { long int e; int f; } g;
} pthread_mutex_t;
/* This give bits equal to the linuxthreads initializer. */
#define PTHREAD_MUTEX_INITIALIZER \
{0, 0, 0, 0, {0, 0}}
#define PTHREAD_ONCE_INIT 0
/* This isn't the right prototype, but it let's us get away with not
defining a lot of datatypes. */
extern int pthread_create (void) __THROW;
extern int pthread_once (pthread_once_t *, void (*) (void)) __THROW;
extern int pthread_key_create (pthread_key_t *, void (*) (void *)) __THROW;
extern int pthread_setspecific (pthread_key_t, const void *) __THROW;
extern void *pthread_getspecific (pthread_key_t) __THROW;
extern int pthread_mutex_lock (pthread_mutex_t *) __THROW;
extern int pthread_key_delete (pthread_key_t) __THROW;
extern int pthread_mutex_trylock (pthread_mutex_t *) __THROW;
extern int pthread_mutex_unlock (pthread_mutex_t *) __THROW;
#ifdef __cplusplus
}
#endif
#undef __THROW
#endif /* not _PTHREAD_FAKE */

88
newlib/libc/machine/cris/libcdtor.c Normal file
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@ -0,0 +1,88 @@
/* Call ctors and dtors from elinux a.out shared libraries.
Copyright (C) 1999, 2000, 2003, 2004, 2005 Axis Communications.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
typedef void (*vfnp) (void);
/* The guts of the _Libctors and _Libdtors is "optimized" away into
empty functions when the definition is visible as well. Simplest
solution is to emit the definitions as asm. We have no .previous
directive in a.out, so we rely on the fact that everything in this
file goes into the .text section. */
__asm__
(
".text\n\t.global .$global.lib.ctors\n.$global.lib.ctors:\n\t.dword 0"
);
__asm__
(
".text\n\t.global .$global.lib.dtors\n.$global.lib.dtors:\n\t.dword 0"
);
extern vfnp * const _Ctors asm(".$global.lib.ctors");
extern vfnp * const _Dtors asm(".$global.lib.dtors");
/* We better provide weak empty ctor and dtor lists, since they are not
created if the main program does not have ctor/dtors. */
static vfnp const defaultors[] = {0, 0};
extern vfnp * __CTOR_LIST__ __attribute__ ((weak, alias ("defaultors")));
extern vfnp * __DTOR_LIST__ __attribute__ ((weak, alias ("defaultors")));
void
_Libctors (void)
{
const vfnp *firstor = _Ctors;
const vfnp *ctors;
/* Have to find the last ctor; they will run in opposite order as in
the table. */
if (firstor != 0 && *firstor != 0)
{
for (ctors = firstor; *ctors != 0; ctors++)
;
while (--ctors != firstor)
{
(**ctors)();
}
(**ctors)();
}
}
void
_Libdtors(void)
{
const vfnp *dtors = _Dtors;
if (dtors)
while (*dtors != 0)
{
(**dtors++) ();
}
}

236
newlib/libc/machine/cris/memcpy.c Normal file
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@ -0,0 +1,236 @@
/* A memcpy for CRIS.
Copyright (C) 1994-2005 Axis Communications.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* FIXME: This file should really only be used for reference, as the
result is somewhat depending on gcc generating what we expect rather
than what we describe. An assembly file should be used instead. */
#include <stddef.h>
/* Break even between movem and move16 is really at 38.7 * 2, but
modulo 44, so up to the next multiple of 44, we use ordinary code. */
#define MEMCPY_BY_BLOCK_THRESHOLD (44 * 2)
/* No name ambiguities in this file. */
__asm__ (".syntax no_register_prefix");
void *
memcpy(void *pdst, const void *psrc, size_t pn)
{
/* Now we want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
As it is now: r10 -> r13; r11 -> r11 (nop); r12 -> r12 (nop).
If gcc was allright, it really would need no temporaries, and no
stack space to save stuff on. */
register void *return_dst __asm__ ("r10") = pdst;
register unsigned char *dst __asm__ ("r13") = pdst;
register unsigned const char *src __asm__ ("r11") = psrc;
register int n __asm__ ("r12") = pn;
/* When src is aligned but not dst, this makes a few extra needless
cycles. I believe it would take as many to check that the
re-alignment was unnecessary. */
if (((unsigned long) dst & 3) != 0
/* Don't align if we wouldn't copy more than a few bytes; so we
don't have to check further for overflows. */
&& n >= 3)
{
if ((unsigned long) dst & 1)
{
n--;
*dst = *src;
src++;
dst++;
}
if ((unsigned long) dst & 2)
{
n -= 2;
*(short *) dst = *(short *) src;
src += 2;
dst += 2;
}
}
/* Decide which copying method to use. */
if (n >= MEMCPY_BY_BLOCK_THRESHOLD)
{
/* It is not optimal to tell the compiler about clobbering any
registers; that will move the saving/restoring of those registers
to the function prologue/epilogue, and make non-movem sizes
suboptimal. */
__asm__ volatile
("\
;; GCC does promise correct register allocations, but let's \n\
;; make sure it keeps its promises. \n\
.ifnc %0-%1-%2,$r13-$r11-$r12 \n\
.error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
.endif \n\
\n\
;; Save the registers we'll use in the movem process \n\
;; on the stack. \n\
subq 11*4,sp \n\
movem r10,[sp] \n\
\n\
;; Now we've got this: \n\
;; r11 - src \n\
;; r13 - dst \n\
;; r12 - n \n\
\n\
;; Update n for the first loop. \n\
subq 44,r12 \n\
0: \n\
"
#ifdef __arch_common_v10_v32
/* Cater to branch offset difference between v32 and v10. We
assume the branch below has an 8-bit offset. */
" setf\n"
#endif
" movem [r11+],r10 \n\
subq 44,r12 \n\
bge 0b \n\
movem r10,[r13+] \n\
\n\
;; Compensate for last loop underflowing n. \n\
addq 44,r12 \n\
\n\
;; Restore registers from stack. \n\
movem [sp+],r10"
/* Outputs. */
: "=r" (dst), "=r" (src), "=r" (n)
/* Inputs. */
: "0" (dst), "1" (src), "2" (n));
}
while (n >= 16)
{
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
n -= 16;
}
switch (n)
{
case 0:
break;
case 1:
*dst = *src;
break;
case 2:
*(short *) dst = *(short *) src;
break;
case 3:
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 4:
*(long *) dst = *(long *) src;
break;
case 5:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 6:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 7:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 8:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src;
break;
case 9:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 10:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 11:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 12:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src;
break;
case 13:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 14:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 15:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
}
return return_dst;
}

257
newlib/libc/machine/cris/memmove.c Normal file
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@ -0,0 +1,257 @@
/* A memmove for CRIS.
Copyright (C) 2000-2005 Axis Communications.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* FIXME: This file should really only be used for reference, as the
result is somewhat depending on gcc generating what we expect rather
than what we describe. An assembly file should be used instead.
Even worse, we base it on memcpy, on the assumption that overlapping
moves are rare, and we will do no worse than the generic memmove. */
#include <stddef.h>
/* Break even between movem and move16 is really at 38.7 * 2, but
modulo 44, so up to the next multiple of 44, we use ordinary code. */
#define MEMMOVE_BY_BLOCK_THRESHOLD (44 * 2)
/* No name ambiguities in this file. */
__asm__ (".syntax no_register_prefix");
void *
memmove(void *pdst, const void *psrc, size_t pn)
{
/* Now we want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
As it is now: r10 -> r13; r11 -> r11 (nop); r12 -> r12 (nop).
If gcc was allright, it really would need no temporaries, and no
stack space to save stuff on. */
register void *return_dst __asm__ ("r10") = pdst;
register unsigned char *dst __asm__ ("r13") = pdst;
register unsigned const char *src __asm__ ("r11") = psrc;
register int n __asm__ ("r12") = pn;
/* Check and handle overlap. */
if (src < dst && dst < src + n)
{
/* Destructive overlap. We could optimize this, but we don't (for
the moment). */
src += n;
dst += n;
while (n--)
{
*--dst = *--src;
}
return return_dst;
}
/* Whew, no overlap. Proceed as with memcpy. We could call it instead
of having a copy here. That would spoil some of the optimization, so
we take the trouble with having two copies. */
/* When src is aligned but not dst, this makes a few extra needless
cycles. I believe it would take as many to check that the
re-alignment was unnecessary. */
if (((unsigned long) dst & 3) != 0
/* Don't align if we wouldn't copy more than a few bytes; so we
don't have to check further for overflows. */
&& n >= 3)
{
if ((unsigned long) dst & 1)
{
n--;
*dst = *src;
src++;
dst++;
}
if ((unsigned long) dst & 2)
{
n -= 2;
*(short *) dst = *(short *) src;
src += 2;
dst += 2;
}
}
/* Decide which copying method to use. */
if (n >= MEMMOVE_BY_BLOCK_THRESHOLD)
{
/* It is not optimal to tell the compiler about clobbering any
registers; that will move the saving/restoring of those registers
to the function prologue/epilogue, and make non-movem sizes
suboptimal. */
__asm__ volatile
("\
;; GCC does promise correct register allocations, but let's \n\
;; make sure it keeps its promises. \n\
.ifnc %0-%1-%2,$r13-$r11-$r12 \n\
.error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
.endif \n\
\n\
;; Save the registers we'll use in the movem process \n\
;; on the stack. \n\
subq 11*4,sp \n\
movem r10,[sp] \n\
\n\
;; Now we've got this: \n\
;; r11 - src \n\
;; r13 - dst \n\
;; r12 - n \n\
\n\
;; Update n for the first loop. \n\
subq 44,r12 \n\
0: \n\
"
#ifdef __arch_common_v10_v32
/* Cater to branch offset difference between v32 and v10. We
assume the branch below has an 8-bit offset. */
" setf\n"
#endif
" movem [r11+],r10 \n\
subq 44,r12 \n\
bge 0b \n\
movem r10,[r13+] \n\
\n\
;; Compensate for last loop underflowing n. \n\
addq 44,r12 \n\
\n\
;; Restore registers from stack. \n\
movem [sp+],r10"
/* Outputs. */
: "=r" (dst), "=r" (src), "=r" (n)
/* Inputs. */
: "0" (dst), "1" (src), "2" (n));
}
while (n >= 16)
{
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
n -= 16;
}
switch (n)
{
case 0:
break;
case 1:
*dst = *src;
break;
case 2:
*(short *) dst = *(short *) src;
break;
case 3:
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 4:
*(long *) dst = *(long *) src;
break;
case 5:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 6:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 7:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 8:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src;
break;
case 9:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 10:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 11:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
case 12:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src;
break;
case 13:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*dst = *src;
break;
case 14:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src;
break;
case 15:
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(long *) dst = *(long *) src; dst += 4; src += 4;
*(short *) dst = *(short *) src; dst += 2; src += 2;
*dst = *src;
break;
}
return return_dst;
}

259
newlib/libc/machine/cris/memset.c Normal file
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/* A memset for CRIS.
Copyright (C) 1999-2005 Axis Communications.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* FIXME: This file should really only be used for reference, as the
result is somewhat depending on gcc generating what we expect rather
than what we describe. An assembly file should be used instead. */
/* Note the multiple occurrence of the expression "12*4", including the
asm. It is hard to get it into the asm in a good way. Thus better to
expose the problem everywhere: no macro. */
/* Assuming one cycle per dword written or read (ok, not really true; the
world is not ideal), and one cycle per instruction, then 43+3*(n/48-1)
<= 24+24*(n/48-1) so n >= 45.7; n >= 0.9; we win on the first full
48-byte block to set. */
#define MEMSET_BY_BLOCK_THRESHOLD (1 * 48)
/* No name ambiguities in this file. */
__asm__ (".syntax no_register_prefix");
void *memset(void *pdst, int c, unsigned int plen)
{
/* Now we want the parameters in special registers. Make sure the
compiler does something usable with this. */
register char *return_dst __asm__ ("r10") = pdst;
register int n __asm__ ("r12") = plen;
register int lc __asm__ ("r11") = c;
/* Most apps use memset sanely. Memsetting about 3..4 bytes or less get
penalized here compared to the generic implementation. */
/* This is fragile performancewise at best. Check with newer GCC
releases, if they compile cascaded "x |= x << 8" to sane code. */
__asm__("movu.b %0,r13 \n\
lslq 8,r13 \n\
move.b %0,r13 \n\
move.d r13,%0 \n\
lslq 16,r13 \n\
or.d r13,%0"
: "=r" (lc) /* Inputs. */
: "0" (lc) /* Outputs. */
: "r13"); /* Trash. */
{
register char *dst __asm__ ("r13") = pdst;
if (((unsigned long) pdst & 3) != 0
/* Oops! n = 0 must be a valid call, regardless of alignment. */
&& n >= 3)
{
if ((unsigned long) dst & 1)
{
*dst = (char) lc;
n--;
dst++;
}
if ((unsigned long) dst & 2)
{
*(short *) dst = lc;
n -= 2;
dst += 2;
}
}
/* Decide which setting method to use. */
if (n >= MEMSET_BY_BLOCK_THRESHOLD)
{
/* It is not optimal to tell the compiler about clobbering any
registers; that will move the saving/restoring of those registers
to the function prologue/epilogue, and make non-block sizes
suboptimal. */
__asm__ volatile
("\
;; GCC does promise correct register allocations, but let's \n\
;; make sure it keeps its promises. \n\
.ifnc %0-%1-%4,$r13-$r12-$r11 \n\
.error \"GCC reg alloc bug: %0-%1-%4 != $r13-$r12-$r11\" \n\
.endif \n\
\n\
;; Save the registers we'll clobber in the movem process \n\
;; on the stack. Don't mention them to gcc, it will only be \n\
;; upset. \n\
subq 11*4,sp \n\
movem r10,[sp] \n\
\n\
move.d r11,r0 \n\
move.d r11,r1 \n\
move.d r11,r2 \n\
move.d r11,r3 \n\
move.d r11,r4 \n\
move.d r11,r5 \n\
move.d r11,r6 \n\
move.d r11,r7 \n\
move.d r11,r8 \n\
move.d r11,r9 \n\
move.d r11,r10 \n\
\n\
;; Now we've got this: \n\
;; r13 - dst \n\
;; r12 - n \n\
\n\
;; Update n for the first loop \n\
subq 12*4,r12 \n\
0: \n\
"
#ifdef __arch_common_v10_v32
/* Cater to branch offset difference between v32 and v10. We
assume the branch below has an 8-bit offset. */
" setf\n"
#endif
" subq 12*4,r12 \n\
bge 0b \n\
movem r11,[r13+] \n\
\n\
;; Compensate for last loop underflowing n. \n\
addq 12*4,r12 \n\
\n\
;; Restore registers from stack. \n\
movem [sp+],r10"
/* Outputs. */
: "=r" (dst), "=r" (n)
/* Inputs. */
: "0" (dst), "1" (n), "r" (lc));
}
/* An ad-hoc unroll, used for 4*12-1..16 bytes. */
while (n >= 16)
{
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
n -= 16;
}
switch (n)
{
case 0:
break;
case 1:
*dst = (char) lc;
break;
case 2:
*(short *) dst = (short) lc;
break;
case 3:
*(short *) dst = (short) lc; dst += 2;
*dst = (char) lc;
break;
case 4:
*(long *) dst = lc;
break;
case 5:
*(long *) dst = lc; dst += 4;
*dst = (char) lc;
break;
case 6:
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc;
break;
case 7:
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc; dst += 2;
*dst = (char) lc;
break;
case 8:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc;
break;
case 9:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*dst = (char) lc;
break;
case 10:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc;
break;
case 11:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc; dst += 2;
*dst = (char) lc;
break;
case 12:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc;
break;
case 13:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*dst = (char) lc;
break;
case 14:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc;
break;
case 15:
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(long *) dst = lc; dst += 4;
*(short *) dst = (short) lc; dst += 2;
*dst = (char) lc;
break;
}
}
return return_dst;
}

212
newlib/libc/machine/cris/setjmp.c Normal file
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/* A setjmp.c for CRIS
Copyright (C) 1993-2005 Axis Communications.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Neither the name of Axis Communications nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* For benefit of CRIS v0..v3, we save and restore CCR to be able to
correctly handle DI/EI; otherwise there would be no reason to save it.
Note also that the "move x,ccr" does NOT affect
the DMA enable bits (E and D) of v0..v3.
We do not save mof; it is call-clobbered. It also does not exist in
v0..v8; it should be safe to read or write to it there, but better not.
jmp_buf[0] - PC
jmp_buf[1] - SP (R14)
jmp_buf[2] - R13
jmp_buf[3] - R12
jmp_buf[4] - R11
jmp_buf[5] - R10
jmp_buf[6] - R9
jmp_buf[7] - R8
jmp_buf[8] - R7
jmp_buf[9] - R6
jmp_buf[10] - R5
jmp_buf[11] - R4
jmp_buf[12] - R3
jmp_buf[13] - R2
jmp_buf[14] - R1
jmp_buf[15] - R0
jmp_buf[16] - SRP
jmp_buf[17] - CCR
*/
#include <setjmp.h>
int
setjmp (jmp_buf buf)
{
int ret;
#if defined (__arch_common_v10_v32) || defined (__arch_v32)
/* No offsets in the compatibility mode. Also, movem saves in
different order on v10 than on v32, so we use single move
instructions instead, this not being a speed-prioritized operation.
And we don't save CCR or CCS; since long unuseful. */
__asm__ __volatile__
("move.d %1,$r13 \n\
move 0f,$mof \n\
move $mof,[$r13+] \n\
move.d $sp,[$r13+] \n\
clear.d [$r13+] \n\
move.d $r12,[$r13+] \n\
move.d $r11,[$r13+] \n\
move.d $r10,[$r13+] \n\
moveq 1,$r9 \n\
move.d $r9,[$r13+] \n\
move.d $r8,[$r13+] \n\
move.d $r7,[$r13+] \n\
move.d $r6,[$r13+] \n\
move.d $r5,[$r13+] \n\
move.d $r4,[$r13+] \n\
move.d $r3,[$r13+] \n\
move.d $r2,[$r13+] \n\
move.d $r1,[$r13+] \n\
move.d $r0,[$r13+] \n\
move $srp,[$r13+] \n\
clear.d [$r13+] \n\
clear.d $r9 \n\
0: \n\
move.d $r9,%0"
/* Output. */
: "=&r" (ret)
/* Input. */
: "r" (buf)
/* Clobber. */
: "r9", "r13", "memory");
#else /* not __arch_common_v10_v32 or __arch_v32 */
#ifdef __PIC__
__asm__ __volatile__
("moveq 1,$r9 \n\
movem $sp,[%1+1*4] \n\
move.d $pc,$r9 \n\
addq 0f-.,$r9 \n\
move.d $r9,[%1] \n\
move $srp,[%1+16*4] \n\
move $ccr,[%1+17*4] \n\
clear.d $r9 \n\
0: \n\
move.d $r9,%0"
/* Output. */
: "=&r" (ret)
/* Input. */
: "r" (buf)
/* Clobber. */
: "r9", "memory");
#else /* not PIC */
__asm__ __volatile__
("moveq 1,$r9 \n\
movem $sp,[%1+1*4] \n\
move.d 0f,$r9 \n\
move.d $r9,[%1] \n\
move $srp,[%1+16*4] \n\
move $ccr,[%1+17*4] \n\
clear.d $r9 \n\
0: \n\
move.d $r9,%0"
/* Output. */
: "=&r" (ret)
/* Input. */
: "r" (buf)
/* Clobber. */
: "r9");
#endif /* not PIC */
#endif /* not __arch_common_v10_v32 or __arch_v32 */
return ret;
}
void
longjmp(jmp_buf buf, int val)
{
#if defined (__arch_common_v10_v32) || defined (__arch_v32)
__asm__ __volatile__
("cmpq 0,%1 \n\
beq 0f \n\
move.d %0,$r13 ; In delay-slot. \n\
addq 6*4,$r13 \n\
move.d %1,[$r13] \n\
subq 6*4,$r13 \n\
0:\n"
#ifdef __arch_common_v10_v32
/* Cater to branch offset difference between v32 and v10. We
assume the branch above is 8-bit. */
" setf\n"
#endif
" move [$r13+],$mof \n\
move.d [$r13+],$sp \n\
addq 4,$r13 \n\
move.d [$r13+],$r12 \n\
move.d [$r13+],$r11 \n\
move.d [$r13+],$r10 \n\
move.d [$r13+],$r9 \n\
move.d [$r13+],$r8 \n\
move.d [$r13+],$r7 \n\
move.d [$r13+],$r6 \n\
move.d [$r13+],$r5 \n\
move.d [$r13+],$r4 \n\
move.d [$r13+],$r3 \n\
move.d [$r13+],$r2 \n\
move.d [$r13+],$r1 \n\
move.d [$r13+],$r0 \n\
move [$r13+],$srp \n\
move $mof,$r13 \n\
jump $r13 \n\
setf"
/* No outputs. */
:
/* Inputs. */
: "r" (buf), "r" (val)
: "r13", "memory");
#else /* not __arch_common_v10_v32 or __arch_v32 */
__asm__ __volatile__
("move [%0+17*4],$ccr \n\
move [%0+16*4],$srp \n\
test.d %1 \n\
beq 0f \n\
nop \n\
move.d %1,[%0+6*4] ; Offset for r9. \n\
0: \n\
movem [%0],$pc"
/* No outputs. */
:
/* Inputs. */
: "r" (buf), "r" (val)
: "memory");
#endif /* not __arch_common_v10_v32 or __arch_v32 */
}

166
newlib/libc/machine/cris/sys/errno.h Normal file
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/* This file is to be kept in sync with newlib/libc/include/sys/errno.h
on which it is based, except values used or returned by syscalls must
be those of the Linux/CRIS kernel. */
/* errno is not a global variable, because that would make using it
non-reentrant. Instead, its address is returned by the function
__errno. */
#ifndef _SYS_ERRNO_H_
#ifdef __cplusplus
extern "C" {
#endif
#define _SYS_ERRNO_H_
#include <sys/reent.h>
#ifndef _REENT_ONLY
#define errno (*__errno())
extern int *__errno _PARAMS ((void));
#endif
/* Please don't use these variables directly.
Use strerror instead. */
extern _CONST char * _CONST _sys_errlist[];
extern int _sys_nerr;
#define __errno_r(ptr) ((ptr)->_errno)
/* Adjusted to the linux asm/errno.h */
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Arg list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK EDEADLK
#define EBFONT 59 /* Bad font file format */
/* This is only used internally in newlib; not returned by the kernel.
EBFONT seems the closest match for a "bad file format" error. */
#define EFTYPE EBFONT /* Inappropriate file type or format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define EREMOTEIO 121 /* Remote I/O error */
#define EDQUOT 122 /* Quota exceeded */
#define ENOMEDIUM 123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */
#define __ELASTERROR 2000 /* Users can add values starting here */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ERRNO_H */

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/* This file is to be kept in sync with newlib/libc/include/sys/fcntl.h,
on which it is based, except values used or returned by syscalls must
be those of the Linux/CRIS kernel. */
#ifndef _FCNTL_
#ifdef __cplusplus
extern "C" {
#endif
#define _FCNTL_
#include <_ansi.h>
#define _FOPEN (-1) /* from sys/file.h, kernel use only */
#define _FREAD 0x0001 /* read enabled */
#define _FWRITE 0x0002 /* write enabled */
#define _FNDELAY 0x0800 /* non blocking I/O (4.2 style) */
#define _FAPPEND 0x0400 /* append (writes guaranteed at the end) */
#define _FMARK 0x0010 /* internal; mark during gc() */
#define _FDEFER 0x0020 /* internal; defer for next gc pass */
#define _FASYNC 0x2000 /* signal pgrp when data ready */
#define _FCREAT 0x0040 /* open with file create */
#define _FTRUNC 0x0200 /* open with truncation */
#define _FEXCL 0x0080 /* error on open if file exists */
#define _FNBIO _FNONBLOCK /* non blocking I/O (sys5 style) */
#define _FSYNC 0x1000 /* do all writes synchronously */
#define _FNONBLOCK 0x0800 /* non blocking I/O (POSIX style) */
#define _FNOCTTY 0x0100 /* don't assign a ctty on this open */
#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
/*
* Flag values for open(2) and fcntl(2)
* The kernel adds 1 to the open modes to turn it into some
* combination of FREAD and FWRITE.
*/
#define O_RDONLY 0 /* +1 == FREAD */
#define O_WRONLY 1 /* +1 == FWRITE */
#define O_RDWR 2 /* +1 == FREAD|FWRITE */
#define O_APPEND _FAPPEND
#define O_CREAT _FCREAT
#define O_TRUNC _FTRUNC
#define O_EXCL _FEXCL
/* O_SYNC _FSYNC not posix, defined below */
/* O_NDELAY _FNDELAY set in include/fcntl.h */
/* O_NDELAY _FNBIO set in 5include/fcntl.h */
#define O_NONBLOCK _FNONBLOCK
#define O_NOCTTY _FNOCTTY
#ifndef _POSIX_SOURCE
#define O_SYNC _FSYNC
/*
* Flags that work for fcntl(fd, F_SETFL, FXXXX)
*/
#define FAPPEND _FAPPEND
#define FSYNC _FSYNC
#define FASYNC _FASYNC
#define FNBIO _FNBIO
#define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
#define FNDELAY _FNDELAY
/*
* Flags that are disallowed for fcntl's (FCNTLCANT);
* used for opens, internal state, or locking.
*/
#define FREAD _FREAD
#define FWRITE _FWRITE
#define FMARK _FMARK
#define FDEFER _FDEFER
#define FSHLOCK _FSHLOCK
#define FEXLOCK _FEXLOCK
/*
* The rest of the flags, used only for opens
*/
#define FOPEN _FOPEN
#define FCREAT _FCREAT
#define FTRUNC _FTRUNC
#define FEXCL _FEXCL
#define FNOCTTY _FNOCTTY
#endif /* !_POSIX_SOURCE */
/* XXX close on exec request; must match UF_EXCLOSE in user.h */
#define FD_CLOEXEC 1 /* posix */
/* fcntl(2) requests */
#define F_DUPFD 0 /* dup */
#define F_GETFD 1 /* get f_flags */
#define F_SETFD 2 /* set f_flags */
#define F_GETFL 3 /* more flags (cloexec) */
#define F_SETFL 4
#define F_GETLK 5
#define F_SETLK 6
#define F_SETLKW 7
#define F_SETOWN 8 /* for sockets. */
#define F_GETOWN 9 /* for sockets. */
/* for F_[GET|SET]FL */
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
/* for posix fcntl() and lockf() */
#define F_RDLCK 0
#define F_WRLCK 1
#define F_UNLCK 2
/* for old implementation of bsd flock () */
#define F_EXLCK 4 /* or 3 */
#define F_SHLCK 8 /* or 4 */
/* operations for bsd flock(), also used by the kernel implementation */
#define LOCK_SH 1 /* shared lock */
#define LOCK_EX 2 /* exclusive lock */
#define LOCK_NB 4 /* or'd with one of the above to prevent
blocking */
#define LOCK_UN 8 /* remove lock */
/* file segment locking set data type - information passed to system by user */
struct flock {
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
short l_whence; /* flag to choose starting offset */
long l_start; /* relative offset, in bytes */
long l_len; /* length, in bytes; 0 means lock to EOF */
short l_pid; /* returned with F_GETLK */
short l_xxx; /* reserved for future use */
};
#ifndef _POSIX_SOURCE
/* extended file segment locking set data type */
struct eflock {
short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
short l_whence; /* flag to choose starting offset */
long l_start; /* relative offset, in bytes */
long l_len; /* length, in bytes; 0 means lock to EOF */
short l_pid; /* returned with F_GETLK */
short l_xxx; /* reserved for future use */
long l_rpid; /* Remote process id wanting this lock */
long l_rsys; /* Remote system id wanting this lock */
};
#endif /* !_POSIX_SOURCE */
#include <sys/types.h>
#include <sys/stat.h> /* sigh. for the mode bits for open/creat */
extern int open _PARAMS ((const char *, int, ...));
extern int creat _PARAMS ((const char *, mode_t));
extern int fcntl _PARAMS ((int, int, ...));
/* Provide _<systemcall> prototypes for functions provided by some versions
of newlib. */
#ifdef _COMPILING_NEWLIB
extern int _open _PARAMS ((const char *, int, ...));
extern int _fcntl _PARAMS ((int, int, ...));
#ifdef __LARGE64_FILES
extern int _open64 _PARAMS ((const char *, int, ...));
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* !_FCNTL_ */

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/* This file is to be kept in sync (well, reasonably so, it's quite
different) with newlib/libc/include/sys/signal.h on which it is
based, except values used or returned by syscalls must be those of
the Linux/CRIS kernel. */
/* sys/signal.h */
#ifndef _SYS_SIGNAL_H
#define _SYS_SIGNAL_H
#ifdef __cplusplus
extern "C" {
#endif
#include "_ansi.h"
typedef unsigned long sigset_t;
/* Adjusted to linux, has unused sa_restorer field and unsigned long
sa_flags; relatively unimportant though. */
/* Type of a signal handler. */
typedef void (*__sighandler_t)(int);
/* The type used in newlib sources. */
typedef __sighandler_t _sig_func_ptr;
struct sigaction {
__sighandler_t sa_handler;
sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void);
};
/* Adjusted to glibc; other values. */
#define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */
#define SIG_SETMASK 2 /* set mask with sigprocmask() */
#define SIG_BLOCK 0 /* set of signals to block */
#define SIG_UNBLOCK 1 /* set of signals to, well, unblock */
/* These depend upon the type of sigset_t, which right now
is always a long.. They're in the POSIX namespace, but
are not ANSI. */
#define sigaddset(what,sig) (*(what) |= (1<<(sig)))
#define sigemptyset(what) (*(what) = 0)
int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b);
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT 6
#define SIGBUS 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGUSR1 10
#define SIGSEGV 11
#define SIGUSR2 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGSTKFLT 16
#define SIGCHLD 17
#define SIGCONT 18
#define SIGSTOP 19
#define SIGTSTP 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGURG 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGIO 29
#define SIGPOLL SIGIO
#define SIGPWR 30
#define NSIG 31
#ifdef __cplusplus
}
#endif
#ifndef _SIGNAL_H_
/* Some applications take advantage of the fact that <sys/signal.h>
* and <signal.h> are equivalent in glibc. Allow for that here. */
#include <signal.h>
#endif
#endif /* _SYS_SIGNAL_H */