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newlib: 

* configure.host: Add support for RX architecture.
        * libc/include/machine/ieeefp.h: Likewise.
        * libc/include/machine/setjmp.h: Likewise.
        * libc/include/machine/configure.in: Likewise.
        * libc/include/machine/configure: Regenerate.
        * libc/machine/rx: New directory.
        * libc/machine/rx/*: New files to support RX architecture.

libgloss:
        * configure.in: Add support for RX sub-directory.
        * configure: Regenerate.
        * rx: New directory.
        * rx/*: New files to support RX architecture.
This commit is contained in:
Nick Clifton 2009-10-26 10:05:23 +00:00
parent f7e0cae24b
commit fd6942ab42
63 changed files with 13005 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
libgloss/ChangeLog
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@ -1,3 +1,10 @@
2009-10-26 DJ Delorie <dj@redhat.com>
* configure.in: Add support for RX sub-directory.
* configure: Regenerate.
* rx: New directory.
* rx/*: New files to support RX architecture.
2009-10-26 Nick Clifton <nickc@redhat.com>
* arm/linux-syscalls0.S (SYSCALL0, SYSCALL3, SYSCALL6, SYSCALL4):

7
libgloss/configure vendored
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@ -298,6 +298,7 @@ ac_subdirs_all="$ac_subdirs_all moxie"
ac_subdirs_all="$ac_subdirs_all mt"
ac_subdirs_all="$ac_subdirs_all xstormy16"
ac_subdirs_all="$ac_subdirs_all m32c"
ac_subdirs_all="$ac_subdirs_all rx"
ac_subdirs_all="$ac_subdirs_all arm"
ac_subdirs_all="$ac_subdirs_all spu"
ac_subdirs_all="$ac_subdirs_all iq2000"
@ -1978,6 +1979,12 @@ subdirs="$subdirs xstormy16"
subdirs="$subdirs m32c"
;;
rx*-*-elf)
subdirs="$subdirs rx"
;;
strongarm-*-elf | strongarm-*-coff | arm*-*-elf | arm*-*-coff | ep9312-*-elf | ep9312-*-coff | xscale-*-elf | xscale-*-coff | *arm-*-*)

3
libgloss/configure.in
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@ -112,6 +112,9 @@ case "${target}" in
m32c-*-*)
AC_CONFIG_SUBDIRS([m32c])
;;
rx*-*-elf)
AC_CONFIG_SUBDIRS([rx])
;;
strongarm-*-elf | strongarm-*-coff | arm*-*-elf | arm*-*-coff | ep9312-*-elf | ep9312-*-coff | xscale-*-elf | xscale-*-coff | *arm-*-*)
AC_CONFIG_SUBDIRS([arm])
;;

164
libgloss/rx/Makefile.in Normal file
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@ -0,0 +1,164 @@
# Copyright (c) 2008, 2009 Red Hat Inc
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.
# Makefile for libgloss/rx.
VPATH = @srcdir@
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..
prefix = @prefix@
exec_prefix = @exec_prefix@
host_alias = @host_alias@
target_alias = @target_alias@
bindir = @bindir@
libdir = @libdir@
tooldir = $(exec_prefix)/$(target_alias)
# Multilib support variables.
# TOP is used instead of MULTI{BUILD,SRC}TOP.
MULTIDIRS =
MULTISUBDIR =
MULTIDO = true
MULTICLEAN = true
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
SHELL = /bin/sh
CC = @CC@
AS = @AS@
AR = @AR@
LD = @LD@
RANLIB = @RANLIB@
AR_FLAGS = rc
OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
then echo ${objroot}/../binutils/objdump ; \
else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
then echo ${objroot}/../binutils/objcopy ; \
else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
SCRIPTS = $(srcdir)/rx.ld $(srcdir)/rx-sim.ld
CRT = gcrt0.o crt0.o crtn.o
SIM_BSP = libsim.a
LIBNOSYS = ../libnosys/libnosys.a
SIM_OBJS = \
sbrk.o \
heaptop.o \
exit.o \
open.o \
close.o \
read.o \
write.o \
lseek.o \
unlink.o \
getpid.o \
kill.o \
fstat.o \
argvlen.o \
argv.o \
chdir.o \
stat.o \
chmod.o \
utime.o \
time.o \
gettimeofday.o \
times.o \
link.o \
isatty.o \
abort.o \
mcount.o \
sigprocmask.o \
sleep.o
#### Host specific Makefile fragment comes in here.
@host_makefile_frag@
# Override .S.o rule to pass assembler debugging flags
.S.o:
$(CC) -Wa,-gdwarf2 -Wa,-I$(srcdir) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
all: $(CRT) $(SIM_BSP) copy_scripts_to_objdir
$(SIM_BSP): $(SIM_OBJS)
$(AR) $(ARFLAGS) $@ $?
$(RANLIB) $@
copy_scripts_to_objdir: $(SCRIPTS)
cp $(SCRIPTS) $(objdir)
# Dependencies
SDEPS = $(srcdir)/rxsys.h $(srcdir)/../syscall.h
abort.o : $(SDEPS)
argv.o : $(SDEPS)
argvlen.o : $(SDEPS)
chdir.o : $(SDEPS)
chmod.o : $(SDEPS)
close.o : $(SDEPS)
exit.o : $(SDEPS)
fstat.o : $(SDEPS)
getpid.o : $(SDEPS)
gettimeofday.o : $(SDEPS)
gcrt0.o: gcrt0.S crt0.S
heaptop.o : $(SDEPS)
kill.o : $(SDEPS)
link.o : $(SDEPS)
lseek.o : $(SDEPS)
mcount.o : $(SDEPS)
open.o : $(SDEPS)
read.o : $(SDEPS)
sigprocmask.o : $(SDEPS)
sleep.o : $(SDEPS)
stat.o : $(SDEPS)
time.o : $(SDEPS)
times.o : $(SDEPS)
unlink.o : $(SDEPS)
utime.o : $(SDEPS)
write.o : $(SDEPS)
install: $(CRT) $(SIM_BSP) $(SCRIPTS)
for c in $(CRT) $(SIM_BSP); do \
$(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$c ;\
done
for c in $(SCRIPTS); do \
b=`basename $$c`; \
$(INSTALL_DATA) $$c $(tooldir)/lib${MULTISUBDIR}/$$b ;\
done
clean mostlyclean:
rm -f *.o *.a
distclean maintainer-clean realclean: clean
rm -f Makefile config.cache config.log config.status
.PHONY: info dvi doc install-info clean-info
info doc dvi:
install-info:
clean-info:
Makefile: Makefile.in config.status @host_makefile_frag_path@
$(SHELL) config.status
config.status: configure
$(SHELL) config.status --recheck

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libgloss/rx/abort.S Normal file
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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
.global _abort
_abort:
/* This is for debuggers. The simulator stops here too. */
brk
mov #42, r1
SYSCALL(SYS_kill)
/* Else, exit. */
bra.w __exit

35
libgloss/rx/argv.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(argv)

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libgloss/rx/argvlen.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(argvlen)

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libgloss/rx/chdir.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(chdir)

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libgloss/rx/chmod.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(chmod)

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libgloss/rx/close.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(close)

3948
libgloss/rx/configure vendored Normal file
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File diff suppressed because it is too large Load Diff

55
libgloss/rx/configure.in Normal file
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@ -0,0 +1,55 @@
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(crt0.S)
if test "${enable_shared}" = "yes" ; then
echo "Shared libraries not supported for cross compiling, ignored"
fi
if test "$srcdir" = "." ; then
if test "${with_target_subdir}" != "." ; then
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
else
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
fi
else
libgloss_topdir="${srcdir}/../.."
fi
AC_CONFIG_AUX_DIR($libgloss_topdir)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
AC_PROG_INSTALL
LIB_AC_PROG_CC
AS=${AS-as}
AC_SUBST(AS)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
AC_PROG_RANLIB
LIB_AM_PROG_AS
host_makefile_frag=${srcdir}/../config/default.mh
dnl We have to assign the same value to other variables because autoconf
dnl doesn't provide a mechanism to substitute a replacement keyword with
dnl arbitrary data or pathnames.
dnl
host_makefile_frag_path=$host_makefile_frag
AC_SUBST(host_makefile_frag_path)
AC_SUBST_FILE(host_makefile_frag)
AC_CONFIG_FILES(Makefile,
. ${libgloss_topdir}/config-ml.in,
srcdir=${srcdir}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${libgloss_topdir}
)
AC_OUTPUT

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/* Copyright (c) 2008, 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
This software is provided by the copyright holders and 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 Red Hat
incorporated 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. */
.text
.global _start
_start:
.LFB2:
mvtc #0, psw
/* Enable the DN bit - this should have been done for us by
the CPU reset, but it is best to make sure for ourselves. */
mvtc #0x100, fpsw
mov #__stack, r0
mvtc #__vectors, intb
mov #__datastart, r1
mov #__romdatastart, r2
mov #__romdatacopysize, r3
smovf
mov #__bssstart, r1
mov #0, r2
mov #__bsssize, r3
sstr.l
/* Initialise the small data area pointer.
The register used here must agree with the definition of
GP_BASE_REGNUM in gcc/config/rx/rx.h. */
mov #__gp, r13
bsr.a __rx_init
#ifdef PROFILE_SUPPORT /* Defined in gcrt0.S. */
mov # _start, r1
mov # _etext, r2
bsr.a __monstartup
#endif
mov #0, r1 /* argc */
mov #0, r2 /* argv */
mov #0, r3 /* envv */
bsr.a _main
.LFE2:
#ifdef PROFILE_SUPPORT
mov r1, r13 ; Save return code.
bsr.a __mcleanup
mov r13, r1
#endif
bsr.a _exit
.global _rx_run_preinit_array
.type _rx_run_preinit_array,@function
_rx_run_preinit_array:
mov #__preinit_array_start,r1
mov #__preinit_array_end,r2
bra.a _rx_run_inilist
.global _rx_run_init_array
.type _rx_run_init_array,@function
_rx_run_init_array:
mov #__init_array_start,r1
mov #__init_array_end,r2
mov #4, r3
bra.a _rx_run_inilist
.global _rx_run_fini_array
.type _rx_run_fini_array,@function
_rx_run_fini_array:
mov #__fini_array_start,r2
mov #__fini_array_end,r1
mov #-4, r3
/* fall through */
_rx_run_inilist:
next_inilist:
cmp r1,r2
beq.b done_inilist
mov.l [r1],r4
cmp #-1, r4
beq.b skip_inilist
cmp #0, r4
beq.b skip_inilist
pushm r1-r3
jsr r4
popm r1-r3
skip_inilist:
add r3,r1
bra.b next_inilist
done_inilist:
rts
.section .init,"ax"
.global __rx_init
__rx_init:
.section .fini,"ax"
.global __rx_fini
__rx_fini:
bsr.a _rx_run_fini_array
.section .sdata
.balign 4
.global __gp
.weak __gp
__gp:
.section .data
.global ___dso_handle
.weak ___dso_handle
___dso_handle:
.long 0
;;; Provide Dwarf unwinding information that will help GDB stop
;;; backtraces at the right place. This is stolen from assembly
;;; code generated by GCC with -dA.
.section .debug_frame,"",@progbits
.Lframe0:
.4byte .LECIE0-.LSCIE0 ; Length of Common Information Entry
.LSCIE0:
.4byte 0xffffffff ; CIE Identifier Tag
.byte 0x1 ; CIE Version
.ascii "\0" ; CIE Augmentation
.uleb128 0x1 ; CIE Code Alignment Factor
.sleb128 -1 ; CIE Data Alignment Factor
.byte 0xd ; CIE RA Column
.byte 0xc ; DW_CFA_def_cfa
.uleb128 0xc
.uleb128 0x3
.byte 0x8d ; DW_CFA_offset, column 0xd
.uleb128 0x3
.p2align 2
.LECIE0:
.LSFDE0:
.4byte .LEFDE0-.LASFDE0 ; FDE Length
.LASFDE0:
.4byte .Lframe0 ; FDE CIE offset
.4byte .LFB2 ; FDE initial location
.4byte .LFE2-.LFB2 ; FDE address range
.byte 0xf ; DW_CFA_def_cfa_expression
.uleb128 1 ; length of expression
.byte 0x30 ; DW_OP_lit0
.p2align 2
.LEFDE0:
.text

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@ -0,0 +1,47 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
.section .init,"ax"
bsr.a _rx_run_preinit_array
bsr.a _rx_run_init_array
rts
.global __rx_init_end
__rx_init_end:
.section .fini,"ax"
rts
.global __rx_fini_end
__rx_fini_end:
.text

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@ -0,0 +1,40 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
.global __exit
__exit:
pushm r1-r2
bsr.a __rx_fini
popm r1-r2
SYSCALL(SYS_exit)

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libgloss/rx/fstat.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(fstat)

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#define PROFILE_SUPPORT 1
#include "crt0.S"
.global __mcount
__mcount:
;; When a function is compiled for profiling, gcc creates code
;; like this at the start of each profiled function:
;;
;; .global <func_name>
;; <func_name>:
;; bsr __mcount
;; <...function's prologue...>
;; <...function's body...>
;;
;; We must save all of the argument registers, extract the
;; address of <func_name>, call _mcount_internal to do the
;; real work and then restore the argument registers before
;; returning.
pushm r1-r4
mov.l 16[r0], r1
bsr __mcount_internal
rtsd #16, r1-r4

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(getpid)

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(gettimeofday)

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
#define SYS__set_heaptop 11
S(_set_heaptop)

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/* Copyright (c) 2008, 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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. */
.global __isatty
__isatty:
.weak _isatty
_isatty:
mov #1,r1
rts

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(kill)

35
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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(link)

35
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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(lseek)

422
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@ -0,0 +1,422 @@
/*-
* Copyright (c) 1983, 1992, 1993
* The Regents of the University of California. 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University 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 THE REGENTS AND 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 THE REGENTS OR 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.
*/
/* This file implements a subset of the profiling support functions.
It has been copied and adapted from mcount.c, gmon.c and gmon.h in
the glibc sources.
Since we do not have access to a timer interrupt in the simulator
the histogram and basic block information is not generated. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
/* Fraction of text space to allocate for histogram counters here, 1/2. */
#define HISTFRACTION 2
/* Fraction of text space to allocate for from hash buckets.
The value of HASHFRACTION is based on the minimum number of bytes
of separation between two subroutine call points in the object code.
Given MIN_SUBR_SEPARATION bytes of separation the value of
HASHFRACTION is calculated as:
HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof (short) - 1);
For example, on the VAX, the shortest two call sequence is:
calls $0,(r0)
calls $0,(r0)
which is separated by only three bytes, thus HASHFRACTION is
calculated as:
HASHFRACTION = 3 / (2 * 2 - 1) = 1
Note that the division above rounds down, thus if MIN_SUBR_FRACTION
is less than three, this algorithm will not work!
In practice, however, call instructions are rarely at a minimal
distance. Hence, we will define HASHFRACTION to be 2 across all
architectures. This saves a reasonable amount of space for
profiling data structures without (in practice) sacrificing
any granularity. */
#define HASHFRACTION 2
/* Percent of text space to allocate for tostructs.
This is a heuristic; we will fail with a warning when profiling
programs with a very large number of very small functions, but
that's normally OK.
2 is probably still a good value for normal programs.
Profiling a test case with 64000 small functions will work if
you raise this value to 3 and link statically (which bloats the
text size, thus raising the number of arcs expected by the heuristic). */
#define ARCDENSITY 3
/* Always allocate at least this many tostructs. This hides the
inadequacy of the ARCDENSITY heuristic, at least for small programs. */
#define MINARCS 50
/* Maximum number of arcs we want to allow.
Used to be max representable value of ARCINDEX minus 2, but now
that ARCINDEX is a long, that's too large; we don't really want
to allow a 48 gigabyte table.
The old value of 1<<16 wasn't high enough in practice for large C++
programs; will 1<<20 be adequate for long? FIXME */
#define MAXARCS (1 << 20)
#define SCALE_1_TO_1 0x10000L
#define GMON_MAGIC "gmon" /* Magic cookie. */
#define GMON_VERSION 1 /* Version number. */
/* General rounding functions. */
#define ROUNDDOWN(x ,y) (((x) / (y)) * (y))
#define ROUNDUP(x, y) ((((x) + (y) - 1) / (y)) * (y))
struct tostruct
{
unsigned long selfpc;
unsigned long count;
unsigned long link;
};
/* Possible states of profiling. */
enum profiling_state
{
GMON_PROF_OFF,
GMON_PROF_ON,
GMON_PROF_BUSY,
GMON_PROF_ERROR
};
/* The profiling data structures are housed in this structure. */
struct gmonparam
{
enum profiling_state state;
unsigned short * kcount;
unsigned long kcountsize;
unsigned long * froms;
unsigned long fromssize;
struct tostruct * tos;
unsigned long tossize;
long tolimit;
unsigned long lowpc;
unsigned long highpc;
unsigned long textsize;
unsigned long hashfraction;
long log_hashfraction;
};
/* Raw header as it appears in the gmon.out file (without padding).
This header always comes first and is then followed by a series
records defined below. */
struct gmon_hdr
{
char cookie[4];
char version[4];
char spare[3 * 4];
};
/* Types of records in this file. */
typedef enum
{
GMON_TAG_TIME_HIST = 0,
GMON_TAG_CG_ARC = 1,
} GMON_Record_Tag;
struct gmon_cg_arc_record
{
char tag; /* Set to GMON_TAG_CG_ARC. */
char from_pc[sizeof (char *)]; /* Address within caller's body. */
char self_pc[sizeof (char *)]; /* Address within callee's body. */
char count[4]; /* Number of arc traversals. */
};
/* Forward declarations. */
void _mcount_internal (unsigned long);
void _monstartup (unsigned long, unsigned long);
void _mcleanup (void);
static struct gmonparam _gmonparam;
void
_mcount_internal (unsigned long frompc)
{
unsigned long selfpc = frompc;
unsigned long * frompcindex;
struct tostruct * top;
struct tostruct * prevtop;
struct gmonparam * p;
unsigned long toindex;
int i;
p = & _gmonparam;
/* Check that we are profiling and that we aren't recursively invoked.
NB/ This version is not thread-safe. */
if (p->state != GMON_PROF_ON)
return;
p->state = GMON_PROF_BUSY;
/* Check that frompcindex is a reasonable pc value.
For example: signal catchers get called from the stack,
not from text space. Too bad. */
frompc -= p->lowpc;
if (frompc > p->textsize)
goto done;
i = frompc >> p->log_hashfraction;
frompcindex = p->froms + i;
toindex = * frompcindex;
if (toindex == 0)
{
/* First time traversing this arc. */
toindex = ++ p->tos[0].link;
if (toindex >= p->tolimit)
/* Halt further profiling. */
goto overflow;
* frompcindex = toindex;
top = p->tos + toindex;
top->selfpc = selfpc;
top->count = 1;
top->link = 0;
goto done;
}
top = p->tos + toindex;
if (top->selfpc == selfpc)
{
/* Arc at front of chain: usual case. */
top->count ++;
goto done;
}
/* Have to go looking down chain for it.
Top points to what we are looking at,
prevtop points to previous top.
We know it is not at the head of the chain. */
for (;;)
{
if (top->link == 0)
{
/* Top is end of the chain and none of the chain
had top->selfpc == selfpc. So we allocate a
new tostruct and link it to the head of the
chain. */
toindex = ++ p->tos[0].link;
if (toindex >= p->tolimit)
goto overflow;
top = p->tos + toindex;
top->selfpc = selfpc;
top->count = 1;
top->link = * frompcindex;
* frompcindex = toindex;
goto done;
}
/* Otherwise, check the next arc on the chain. */
prevtop = top;
top = p->tos + top->link;
if (top->selfpc == selfpc)
{
/* There it is. Increment its count
move it to the head of the chain. */
top->count ++;
toindex = prevtop->link;
prevtop->link = top->link;
top->link = * frompcindex;
* frompcindex = toindex;
goto done;
}
}
done:
p->state = GMON_PROF_ON;
return;
overflow:
p->state = GMON_PROF_ERROR;
return;
}
void
_monstartup (unsigned long lowpc, unsigned long highpc)
{
char * cp;
struct gmonparam * p = & _gmonparam;
/* If the calloc() function has been instrumented we must make sure
that it is not profiled until we are ready. */
p->state = GMON_PROF_BUSY;
/* Round lowpc and highpc to multiples of the density we're using
so the rest of the scaling (here and in gprof) stays in ints. */
p->lowpc = ROUNDDOWN (lowpc, HISTFRACTION * sizeof (* p->kcount));
p->highpc = ROUNDUP (highpc, HISTFRACTION * sizeof (* p->kcount));
p->textsize = p->highpc - p->lowpc;
p->kcountsize = ROUNDUP (p->textsize / HISTFRACTION, sizeof (*p->froms));
p->hashfraction = HASHFRACTION;
p->log_hashfraction = -1;
p->log_hashfraction = ffs (p->hashfraction * sizeof (*p->froms)) - 1;
p->fromssize = p->textsize / HASHFRACTION;
p->tolimit = p->textsize * ARCDENSITY / 100;
if (p->tolimit < MINARCS)
p->tolimit = MINARCS;
else if (p->tolimit > MAXARCS)
p->tolimit = MAXARCS;
p->tossize = p->tolimit * sizeof (struct tostruct);
cp = calloc (p->kcountsize + p->fromssize + p->tossize, 1);
if (cp == NULL)
{
write (2, "monstartup: out of memory\n", 26);
p->tos = NULL;
p->state = GMON_PROF_ERROR;
return;
}
p->tos = (struct tostruct *) cp;
cp += p->tossize;
p->kcount = (unsigned short *) cp;
cp += p->kcountsize;
p->froms = (unsigned long *) cp;
p->tos[0].link = 0;
p->state = GMON_PROF_ON;
}
static void
write_call_graph (int fd)
{
#define NARCS_PER_WRITE 32
struct gmon_cg_arc_record raw_arc[NARCS_PER_WRITE]
__attribute__ ((aligned (__alignof__ (char *))));
unsigned long from_index;
unsigned long to_index;
unsigned long from_len;
unsigned long frompc;
int nfilled;
for (nfilled = 0; nfilled < NARCS_PER_WRITE; ++ nfilled)
raw_arc[nfilled].tag = GMON_TAG_CG_ARC;
nfilled = 0;
from_len = _gmonparam.fromssize / sizeof (*_gmonparam.froms);
for (from_index = 0; from_index < from_len; ++from_index)
{
if (_gmonparam.froms[from_index] == 0)
continue;
frompc = _gmonparam.lowpc;
frompc += (from_index * _gmonparam.hashfraction
* sizeof (*_gmonparam.froms));
for (to_index = _gmonparam.froms[from_index];
to_index != 0;
to_index = _gmonparam.tos[to_index].link)
{
struct gmon_cg_arc_record * arc = raw_arc + nfilled;
memcpy (arc->from_pc, & frompc, sizeof (arc->from_pc));
memcpy (arc->self_pc, & _gmonparam.tos[to_index].selfpc, sizeof (arc->self_pc));
memcpy (arc->count, & _gmonparam.tos[to_index].count, sizeof (arc->count));
if (++ nfilled == NARCS_PER_WRITE)
{
write (fd, raw_arc, sizeof raw_arc);
nfilled = 0;
}
}
}
if (nfilled > 0)
write (fd, raw_arc, nfilled * sizeof (raw_arc[0]));
}
#include <errno.h>
static void
write_gmon (void)
{
struct gmon_hdr ghdr __attribute__ ((aligned (__alignof__ (int))));
int fd;
fd = open ("gmon.out", O_CREAT|O_TRUNC|O_WRONLY, 0666);
if (fd < 0)
{
write (2, "_mcleanup: could not create gmon.out\n", 37);
return;
}
/* Write gmon.out header: */
memset (& ghdr, '\0', sizeof (ghdr));
memcpy (ghdr.cookie, GMON_MAGIC, sizeof (ghdr.cookie));
* (unsigned long *) ghdr.version = GMON_VERSION;
write (fd, & ghdr, sizeof (ghdr));
/* We do not have histogram or basic block information,
so we do not generate these parts of the gmon.out file. */
/* Write call-graph. */
write_call_graph (fd);
close (fd);
}
void
_mcleanup (void)
{
if (_gmonparam.state != GMON_PROF_ERROR)
{
_gmonparam.state = GMON_PROF_OFF;
write_gmon ();
}
/* Free the memory. */
if (_gmonparam.tos != NULL)
{
free (_gmonparam.tos);
_gmonparam.tos = NULL;
}
}

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(open)

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/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(read)

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/*
Copyright (c) 2005,2008,2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(rx)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
/* This memory layout is larger than the largest predicted RX600 chip,
but gives us more memory for benchmarks. */
MEMORY {
RAM (w) : ORIGIN = 0x01000000, LENGTH = 0x07000000 /* 112 Mb "external" address space. */
STACK (w) : ORIGIN = 0x08000000, LENGTH = 16 /* Top of RAM. */
}
SECTIONS
{
.text :
{
PROVIDE (_start = .);
*(.text P .stub .text.* .gnu.linkonce.t.*)
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.interp .hash .dynsym .dynstr .gnu.version*)
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
. = ALIGN(4);
KEEP (*(.init))
KEEP (*(.fini))
} > RAM
.rodata : {
. = ALIGN(4);
*(.plt)
*(.rodata C C_2 C_1 .rodata.* .gnu.linkonce.r.*)
*(.rodata1)
*(.eh_frame_hdr)
KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
. = ALIGN(4);
PROVIDE(__romdatastart = .);
} > RAM
.data : {
. = ALIGN(4);
PROVIDE (__datastart = .);
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
LONG(0); /* Sentinel. */
/* gcc uses crtbegin.o to find the start of the constructors, so
we make sure it is first. Because this is a wildcard, it
doesn't matter if the user does not actually link against
crtbegin.o; the linker won't look for a file to match a
wildcard. The wildcard also means that it doesn't matter which
directory crtbegin.o is in. */
KEEP (*crtbegin*.o(.ctors))
/* We don't want to include the .ctor section from from the
crtend.o file until after the sorted ctors. The .ctor section
from the crtend file contains the end of ctors marker and it
must be last */
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
KEEP (*(.jcr))
*(.data.rel.ro.local) *(.data.rel.ro*)
*(.dynamic)
*(.data D .data.* .gnu.linkonce.d.*)
KEEP (*(.gnu.linkonce.d.*personality*))
SORT(CONSTRUCTORS)
*(.data1)
*(.got.plt) *(.got)
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
. = ALIGN(4);
*(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1)
. = ALIGN(4);
_edata = .;
PROVIDE (edata = .);
PROVIDE (__dataend = .);
} > RAM
/* Note that crt0 assumes this is a multiple of four; all the
start/stop symbols are also assumed long-aligned. */
/* PROVIDE (__romdatacopysize = __dataend - __datastart); */
/* We're loading into simulator ram, no need to copy */
PROVIDE (__romdatacopysize = 0);
.bss : {
. = ALIGN(4);
PROVIDE (__bssstart = .);
*(.dynbss)
*(.bss B B_2 B_1 .bss.* .gnu.linkonce.b.*)
. = ALIGN(4);
*(COMMON)
. = ALIGN(4);
PROVIDE (__bssend = .);
_end = .;
PROVIDE (end = .);
} > RAM
PROVIDE (__bsssize = SIZEOF(.bss) / 4);
.stack (ORIGIN (STACK)) :
{
PROVIDE (__stack = .);
*(.stack)
} > STACK
/* Providing one of these symbols in your code is sufficient to have
it linked in to the fixed vector table. */
PROVIDE (__rx_priviledged_exception_handler = 0x00000000);
PROVIDE (__rx_access_exception_handler = 0x00000000);
PROVIDE (__rx_undefined_exception_handler = 0x00000000);
PROVIDE (__rx_floating_exception_handler = 0x00000000);
PROVIDE (__rx_nonmaskable_exception_handler = 0x00000000);
.vectors (0xFFFFFFD0) :
{
PROVIDE (__vectors = .);
LONG (__rx_priviledged_exception_handler);
LONG (__rx_access_exception_handler);
LONG (0);
LONG (__rx_undefined_exception_handler);
LONG (0);
LONG (__rx_floating_exception_handler);
LONG (0);
LONG (0);
LONG (0);
LONG (0);
LONG (__rx_nonmaskable_exception_handler);
LONG (_start);
}
/* The rest are all not normally part of the runtime image. */
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/DISCARD/ : { *(.note.GNU-stack) }
}

229
libgloss/rx/rx.ld Normal file
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@ -0,0 +1,229 @@
/*
Copyright (c) 2005,2008,2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(rx)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
/* This memory layout corresponds to the smallest predicted RX600 chip. */
MEMORY {
RAM (w) : ORIGIN = 0x00000000, LENGTH = 0x00020000 /* 128k */
STACK (w) : ORIGIN = 0x00020000, LENGTH = 16 /* top of RAM */
ROM (w) : ORIGIN = 0xfff40000, LENGTH = 0x000bffd0 /* 768k */
/* This is the largest RX6000: */
/* ROM (w) : ORIGIN = 0xffe00000, LENGTH = 0x001fffd0 */ /* 2Mb */
}
SECTIONS
{
.text :
{
PROVIDE (_start = .);
*(.text P .stub .text.* .gnu.linkonce.t.*)
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.interp .hash .dynsym .dynstr .gnu.version*)
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
. = ALIGN(4);
KEEP (*(.init))
KEEP (*(.fini))
} > ROM
.rodata : {
. = ALIGN(4);
*(.plt)
*(.rodata C C_2 C_1 .rodata.* .gnu.linkonce.r.*)
*(.rodata1)
*(.eh_frame_hdr)
KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
. = ALIGN(4);
PROVIDE(__romdatastart = .);
} > ROM
.data : {
. = ALIGN(4);
PROVIDE (__datastart = .); /* IF_ROROM */
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
LONG(0); /* Sentinel. */
/* gcc uses crtbegin.o to find the start of the constructors, so
we make sure it is first. Because this is a wildcard, it
doesn't matter if the user does not actually link against
crtbegin.o; the linker won't look for a file to match a
wildcard. The wildcard also means that it doesn't matter which
directory crtbegin.o is in. */
KEEP (*crtbegin*.o(.ctors))
/* We don't want to include the .ctor section from from the
crtend.o file until after the sorted ctors. The .ctor section
from the crtend file contains the end of ctors marker and it
must be last */
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
KEEP (*(.jcr))
*(.data.rel.ro.local) *(.data.rel.ro*)
*(.dynamic)
*(.data D .data.* .gnu.linkonce.d.*)
KEEP (*(.gnu.linkonce.d.*personality*))
SORT(CONSTRUCTORS)
*(.data1)
*(.got.plt) *(.got)
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
. = ALIGN(4);
*(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1)
. = ALIGN(4);
_edata = .;
PROVIDE (edata = .);
PROVIDE (__dataend = .);
} > RAM AT> ROM
/* Note that __romdatacopysize may be ZERO for the simulator, which
knows how to intialize RAM directly. It should ONLY be used for
copying data from ROM to RAM; if you need to know the size of the
data section, subtract the end symbol from the start symbol. */
/* Note that crt0 assumes this is a multiple of four; all the
start/stop symbols are also assumed long-aligned. */
PROVIDE (__romdatacopysize = SIZEOF(.data));
.bss : {
. = ALIGN(4);
PROVIDE (__bssstart = .);
*(.dynbss)
*(.bss B B_2 B_1 .bss.* .gnu.linkonce.b.*)
. = ALIGN(4);
*(COMMON)
. = ALIGN(4);
PROVIDE (__bssend = .);
_end = .;
PROVIDE (end = .);
} > RAM
PROVIDE (__bsssize = SIZEOF(.bss) / 4);
.stack (ORIGIN (STACK)) :
{
PROVIDE (__stack = .);
*(.stack)
}
/* Providing one of these symbols in your code is sufficient to have
it linked in to the fixed vector table. */
PROVIDE (__rx_priviledged_exception_handler = 0x00000000);
PROVIDE (__rx_access_exception_handler = 0x00000000);
PROVIDE (__rx_undefined_exception_handler = 0x00000000);
PROVIDE (__rx_floating_exception_handler = 0x00000000);
PROVIDE (__rx_nonmaskable_exception_handler = 0x00000000);
.vectors (0xFFFFFFD0) :
{
PROVIDE (__vectors = .);
LONG (__rx_priviledged_exception_handler);
LONG (__rx_access_exception_handler);
LONG (0);
LONG (__rx_undefined_exception_handler);
LONG (0);
LONG (__rx_floating_exception_handler);
LONG (0);
LONG (0);
LONG (0);
LONG (0);
LONG (__rx_nonmaskable_exception_handler);
LONG (_start);
}
/* The rest are all not normally part of the runtime image. */
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
/DISCARD/ : { *(.note.GNU-stack) }
}

60
libgloss/rx/rxsys.h Normal file
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/*
Copyright (c) 2005, 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "syscall.h"
/* This mixture of C pre-processor macros and assembler
macros is to get around the fact that the RX assembler
does not support a line separator character. */
#define SYS__exit SYS_exit
.macro syscall_body number
/* We use interrupt 255 as a system call,
with the call number in r5. */
mov # \number, r5
int # 255
rts
.endm
.macro do_syscall name number
__\name:
.global __\name
_\name:
.weak _\name
syscall_body \number
.endm
#define S(name) do_syscall name SYS_##name
#define SYSCALL(number) syscall_body number

47
libgloss/rx/sbrk.c Normal file
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/*
Copyright (c) 2005, 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
extern void __set_heaptop (void * ptr);
char *
_sbrk (int adj)
{
extern char end;
static char * heap = & end;
char * rv = heap;
heap += adj;
__set_heaptop (heap);
return rv;
}
char * sbrk (int) __attribute__((weak, alias ("_sbrk")));

37
libgloss/rx/sigprocmask.S Normal file
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@ -0,0 +1,37 @@
/*
Copyright (c) 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
#define SYS_sigprocmask 127
S(sigprocmask)

37
libgloss/rx/sleep.S Normal file
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/*
Copyright (c) 2009 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
#define SYS_sleep 127
S(sleep)

35
libgloss/rx/stat.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(stat)

35
libgloss/rx/time.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(time)

35
libgloss/rx/times.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(times)

35
libgloss/rx/unlink.S Normal file
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@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(unlink)

35
libgloss/rx/utime.S Normal file
View File

@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(utime)

35
libgloss/rx/write.S Normal file
View File

@ -0,0 +1,35 @@
/*
Copyright (c) 2005 Red Hat Incorporated.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
The name of Red Hat Incorporated may not be used to endorse
or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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.
*/
#include "rxsys.h"
S(write)

10
newlib/ChangeLog
View File

@ -1,3 +1,13 @@
2009-10-26 DJ Delorie <dj@redhat.com>
* configure.host: Add support for RX architecture.
* libc/include/machine/ieeefp.h: Likewise.
* libc/include/machine/setjmp.h: Likewise.
* libc/include/machine/configure.in: Likewise.
* libc/include/machine/configure: Regenerate.
* libc/machine/rx: New directory.
* libc/machine/rx/*: New files to support RX architecture.
2009-10-24 Eric Blake <ebb9@byu.net>
* libc/include/ctype.h (__ctype_lookup): New macro.

5
newlib/configure.host
View File

@ -223,6 +223,11 @@ case "${host_cpu}" in
powerpc*)
machine_dir=powerpc
;;
rx)
machine_dir=rx
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -ffunction-sections -fdata-sections "
;;
sh | sh64)
machine_dir=sh
;;

18
newlib/libc/include/machine/ieeefp.h
View File

@ -326,6 +326,24 @@
#define __IEEE_BIG_ENDIAN
#endif
#ifdef __RX__
#ifdef __RX_BIG_ENDIAN__
#define __IEEE_BIG_ENDIAN
#else
#define __IEEE_LITTLE_ENDIAN
#endif
#ifndef __RX_64BIT_DOUBLES__
#define _DOUBLE_IS_32BITS
#endif
#ifdef __RX_16BIT_INTS__
#define __SMALL_BITFIELDS
#endif
#endif
#ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN
#error Endianess not declared!!

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

@ -254,6 +254,10 @@ _BEGIN_STD_C
#define _JBTYPE unsigned short
#endif /* __m32c__ */
#ifdef __RX__
#define _JBLEN 0x44
#endif
#ifdef _JBLEN
#ifdef _JBTYPE
typedef _JBTYPE jmp_buf[_JBLEN];

66
newlib/libc/machine/configure vendored
View File

@ -488,6 +488,7 @@ ac_subdirs_all="$ac_subdirs_all moxie"
ac_subdirs_all="$ac_subdirs_all mt"
ac_subdirs_all="$ac_subdirs_all necv70"
ac_subdirs_all="$ac_subdirs_all powerpc"
ac_subdirs_all="$ac_subdirs_all rx"
ac_subdirs_all="$ac_subdirs_all sh"
ac_subdirs_all="$ac_subdirs_all sparc"
ac_subdirs_all="$ac_subdirs_all spu"
@ -4811,13 +4812,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
else
lt_cv_nm_interface="BSD nm"
echo "int some_variable = 0;" > conftest.$ac_ext
(eval echo "\"\$as_me:4813: $ac_compile\"" >&5)
(eval echo "\"\$as_me:4814: $ac_compile\"" >&5)
(eval "$ac_compile" 2>conftest.err)
cat conftest.err >&5
(eval echo "\"\$as_me:4816: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval echo "\"\$as_me:4817: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
cat conftest.err >&5
(eval echo "\"\$as_me:4819: output\"" >&5)
(eval echo "\"\$as_me:4820: output\"" >&5)
cat conftest.out >&5
if $GREP 'External.*some_variable' conftest.out > /dev/null; then
lt_cv_nm_interface="MS dumpbin"
@ -5268,7 +5269,7 @@ irix5* | irix6* | nonstopux*)
;;
# This must be Linux ELF.
linux* | k*bsd*-gnu)
linux* | k*bsd*-gnu | kopensolaris*-gnu)
lt_cv_deplibs_check_method=pass_all
;;
@ -5972,7 +5973,7 @@ ia64-*-hpux*)
;;
*-*-irix6*)
# Find out which ABI we are using.
echo '#line 5974 "configure"' > conftest.$ac_ext
echo '#line 5975 "configure"' > conftest.$ac_ext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
@ -7749,11 +7750,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:7751: $lt_compile\"" >&5)
(eval echo "\"\$as_me:7752: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:7755: \$? = $ac_status" >&5
echo "$as_me:7756: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@ -7918,7 +7919,7 @@ echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6
lt_prog_compiler_static='-non_shared'
;;
linux* | k*bsd*-gnu)
linux* | k*bsd*-gnu | kopensolaris*-gnu)
case $cc_basename in
# old Intel for x86_64 which still supported -KPIC.
ecc*)
@ -8088,11 +8089,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:8090: $lt_compile\"" >&5)
(eval echo "\"\$as_me:8091: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:8094: \$? = $ac_status" >&5
echo "$as_me:8095: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@ -8193,11 +8194,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:8195: $lt_compile\"" >&5)
(eval echo "\"\$as_me:8196: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:8199: \$? = $ac_status" >&5
echo "$as_me:8200: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -8248,11 +8249,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:8250: $lt_compile\"" >&5)
(eval echo "\"\$as_me:8251: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:8254: \$? = $ac_status" >&5
echo "$as_me:8255: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -8479,7 +8480,7 @@ _LT_EOF
archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
;;
gnu* | linux* | tpf* | k*bsd*-gnu)
gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
tmp_diet=no
if test "$host_os" = linux-dietlibc; then
case $cc_basename in
@ -9414,6 +9415,9 @@ x|xyes)
# to ld, don't add -lc before -lgcc.
echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&6
if test "${lt_cv_archive_cmds_need_lc+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
$RM conftest*
echo "$lt_simple_compile_test_code" > conftest.$ac_ext
@ -9441,17 +9445,20 @@ echo $ECHO_N "checking whether -lc should be explicitly linked in... $ECHO_C" >&
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }
then
archive_cmds_need_lc=no
lt_cv_archive_cmds_need_lc=no
else
archive_cmds_need_lc=yes
lt_cv_archive_cmds_need_lc=yes
fi
allow_undefined_flag=$lt_save_allow_undefined_flag
else
cat conftest.err 1>&5
fi
$RM conftest*
echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5
echo "${ECHO_T}$archive_cmds_need_lc" >&6
fi
echo "$as_me:$LINENO: result: $lt_cv_archive_cmds_need_lc" >&5
echo "${ECHO_T}$lt_cv_archive_cmds_need_lc" >&6
archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
;;
esac
fi
@ -10022,7 +10029,7 @@ linux*oldld* | linux*aout* | linux*coff*)
;;
# This must be Linux ELF.
linux* | k*bsd*-gnu)
linux* | k*bsd*-gnu | kopensolaris*-gnu)
version_type=linux
need_lib_prefix=no
need_version=no
@ -10031,7 +10038,12 @@ linux* | k*bsd*-gnu)
finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
shlibpath_var=LD_LIBRARY_PATH
shlibpath_overrides_runpath=no
# Some binutils ld are patched to set DT_RUNPATH
if test "${lt_cv_shlibpath_overrides_runpath+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
lt_cv_shlibpath_overrides_runpath=no
save_LDFLAGS=$LDFLAGS
save_libdir=$libdir
eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
@ -10074,7 +10086,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
shlibpath_overrides_runpath=yes
lt_cv_shlibpath_overrides_runpath=yes
fi
else
@ -10087,6 +10099,10 @@ rm -f conftest.err conftest.$ac_objext \
LDFLAGS=$save_LDFLAGS
libdir=$save_libdir
fi
shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
# This implies no fast_install, which is unacceptable.
# Some rework will be needed to allow for fast_install
# before this can be enabled.
@ -11045,7 +11061,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11047 "configure"
#line 11063 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11141,7 +11157,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11143 "configure"
#line 11159 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11491,6 +11507,10 @@ subdirs="$subdirs necv70"
powerpc)
subdirs="$subdirs powerpc"
;;
rx)
subdirs="$subdirs rx"
;;
sh)

1
newlib/libc/machine/configure.in
View File

@ -52,6 +52,7 @@ if test -n "${machine_dir}"; then
mt) AC_CONFIG_SUBDIRS(mt) ;;
necv70) AC_CONFIG_SUBDIRS(necv70) ;;
powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
rx) AC_CONFIG_SUBDIRS(rx) ;;
sh) AC_CONFIG_SUBDIRS(sh) ;;
sparc) AC_CONFIG_SUBDIRS(sparc) ;;
spu) AC_CONFIG_SUBDIRS(spu) ;;

18
newlib/libc/machine/rx/Makefile.am Normal file
View File

@ -0,0 +1,18 @@
## Process this file with automake to generate Makefile.in
AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = setjmp.S \
strncmp.S strcmp.S strncpy.S strcpy.S strlen.S strcat.S strncat.S \
memset.S mempcpy.S memcpy.S memmove.S memchr.S
lib_a_CCASFLAGS=$(AM_CCASFLAGS)
lib_a_CFLAGS=$(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

472
newlib/libc/machine/rx/Makefile.in Normal file
View File

@ -0,0 +1,472 @@
# Makefile.in generated by automake 1.9.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
@SET_MAKE@
srcdir = @srcdir@
top_srcdir = @top_srcdir@
VPATH = @srcdir@
pkgdatadir = $(datadir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
top_builddir = .
am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
INSTALL = @INSTALL@
install_sh_DATA = $(install_sh) -c -m 644
install_sh_PROGRAM = $(install_sh) -c
install_sh_SCRIPT = $(install_sh) -c
INSTALL_HEADER = $(INSTALL_DATA)
transform = $(program_transform_name)
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
DIST_COMMON = $(srcdir)/../../../../config.guess \
$(srcdir)/../../../../config.sub $(srcdir)/Makefile.in \
$(srcdir)/Makefile.am $(top_srcdir)/configure \
$(am__configure_deps) $(srcdir)/../../../../mkinstalldirs
subdir = .
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
$(top_srcdir)/configure.in
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
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mkinstalldirs = $(SHELL) $(top_srcdir)/../../../../mkinstalldirs
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m4_include([../../../acinclude.m4])

4918
newlib/libc/machine/rx/configure vendored Executable file
View File

File diff suppressed because it is too large Load Diff

14
newlib/libc/machine/rx/configure.in Normal file
View File

@ -0,0 +1,14 @@
dnl This is the newlib/libc/machine/mt configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([Makefile.am])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

13
newlib/libc/machine/rx/memchr.S Normal file
View File

@ -0,0 +1,13 @@
.file "memchr.S"
.section .text
.global _memchr
.type _memchr,@function
_memchr:
cmp #0, r3 ; If r3 is 0 suntil.b will do nothing and not set any flags...
stz #1, r1 ; ...so store 1 into r1. It will be decremented by the SUB later.
suntil.b ; Search until *r1 == r2 or r3 bytes have been examined.
stnz #1, r1 ; If no match was found return NULL.
sub #1, r1 ; suntil.b leaves r1 pointing at the address *after* the match.
rts

10
newlib/libc/machine/rx/memcpy.S Normal file
View File

@ -0,0 +1,10 @@
.file "memcpy.S"
.section .text
.global _memcpy
.type _memcpy,@function
_memcpy:
mov r1, r4 ; Save a copy of DEST
smovf ; Copy R2 (source) to R1 (dest). Stop after R3 bytes.
mov r4, r1 ; Return DEST
rts

20
newlib/libc/machine/rx/memmove.S Normal file
View File

@ -0,0 +1,20 @@
.file "memmove.S"
.section .text
.global _memmove
.type _memmove,@function
_memmove:
mov r1, r4 ; Save a copy of DEST
cmp r1, r2
blt 2f ; If SRC (r2) is less than DEST (r1) then copy backwards
smovf
1:
mov r4, r1 ; Return DEST
rts
2:
add r3, r1 ; The SMOVB instructions requires the DEST in r1 and the
add r3, r2 ; SRC in r2 but it needs them to point the last bytes of
sub #1, r2 ; the regions involved not the first bytes, hence these
sub #1, r1 ; additions and subtractions.
smovb
bra 1b

8
newlib/libc/machine/rx/mempcpy.S Normal file
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.file "mempcpy.S"
.section .text
.global _mempcpy
.type _mempcpy,@function
_mempcpy:
smovf
rts

10
newlib/libc/machine/rx/memset.S Normal file
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.file "memset.S"
.section .text
.global _memset
.type _memset,@function
_memset:
mov r1, r4
sstr.b
mov r4, r1
rts

89
newlib/libc/machine/rx/setjmp.S Normal file
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# setjmp/longjmp for Renesas RX.
#
# The jmpbuf looks like this:
#
# Register jmpbuf offset
# R0 0x0
# R1 0x4
# R2 0x8
# R3 0xc
# R4 0x10
# R5 0x14
# R6 0x18
# R7 0x1c
# R8 0x20
# R9 0x24
# R10 0x28
# R11 0x2c
# R12 0x30
# R13 0x34
# R14 0x38
# R15 0x3c
# PC 0x40
#
# R1 contains the pointer to jmpbuf:
#
# int R1 = setjmp (jmp_buf R1)
# void longjmp (jmp_buf R1, int R2)
#
# The ABI allows for R1-R5 to be clobbered by functions. We must be
# careful to always leave the stack in a usable state in case an
# interrupt happens.
.text
.global _setjmp
.type _setjmp, @function
_setjmp:
mov.l r0, [r1] ; save all the general registers
mov.l r1, 0x4[r1] ; longjmp won't use this, but someone else might.
mov.l r2, 0x8[r1]
mov.l r3, 0xc[r1]
mov.l r4, 0x10[r1]
mov.l r5, 0x14[r1]
mov.l r6, 0x18[r1]
mov.l r7, 0x1c[r1]
mov.l r8, 0x20[r1]
mov.l r9, 0x24[r1]
mov.l r10, 0x28[r1]
mov.l r11, 0x2c[r1]
mov.l r12, 0x30[r1]
mov.l r13, 0x34[r1]
mov.l r14, 0x38[r1]
mov.l r15, 0x3c[r1]
mov.l [r0], r2 ; get return address off the stack
mov.l r2, 0x40[r1] ; PC
mov #0, r1 ; Return 0.
rts
.Lend1:
.size _setjmp, .Lend1 - _setjmp
.global _longjmp
.type _longjmp, @function
_longjmp:
tst r2, r2 ; Set the Z flag if r2 is 0.
stz #1, r2 ; If the Z flag was set put 1 into the return register.
mov r2, 4[r1] ; Put r2 (our return value) into the setjmp buffer as r1.
mov.l [r1], r0 ; Restore the stack - there's a slot for PC
mov.l 0x40[r1], r2 ; Get the saved PC
mov.l r2, [r0] ; Overwrite the old return address
mov.l 0x3c[r1], r15
mov.l 0x38[r1], r14
mov.l 0x34[r1], r13
mov.l 0x30[r1], r12
mov.l 0x2c[r1], r11
mov.l 0x28[r1], r10
mov.l 0x24[r1], r9
mov.l 0x20[r1], r8
mov.l 0x1c[r1], r7
mov.l 0x18[r1], r6
mov.l 0x14[r1], r5
mov.l 0x10[r1], r4
mov.l 0xc[r1], r3
mov.l 0x8[r1], r2
mov.l 0x4[r1], r1 ; This sets up the new return value
rts
.Lend2:
.size _longjmp, .Lend2 - _longjmp

22
newlib/libc/machine/rx/strcat.S Normal file
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.file "strcat.S"
.section .text
.global _strcat
.type _strcat,@function
_strcat:
;; On entry: r1 => Destination
;; r2 => Source
mov r1, r4 ; Save a copy of the dest pointer.
mov r2, r5 ; Save a copy of the source pointer.
mov #0, r2 ; Search for the NUL byte.
mov #-1, r3 ; Limit on the number of bytes examined.
suntil.b ; Find the end of the destination string.
sub #1, r1 ; suntil.b leaves r1 pointing to the byte beyond the match.
mov #-1, r3 ; Set a limit on the number of bytes copied.
mov r5, r2 ; Restore the source pointer.
smovu ; Copy source to destination
mov r4, r1 ; Return the original dest pointer.
rts

15
newlib/libc/machine/rx/strcmp.S Normal file
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.file "strcmp.S"
.section .text
.global _strcmp
.type _strcmp,@function
_strcmp:
mov #-1, r3 ; Strictly speaking this is incorrect, but I doubt if anyone will ever know.
scmpu ; Perform the string comparison
bnc 1f ; If Carry is not set skip over
scne.L r1 ; Set result based on Z flag
rts ;
1: ;
mov #-1,r1 ; Carry not set, result should be negative
rts ;

11
newlib/libc/machine/rx/strcpy.S Normal file
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.file "strcpy.S"
.section .text
.global _strcpy
.type _strcpy,@function
_strcpy:
mov r1, r4
mov #-1, r3 ; Strictly speaking this is incorrect, but I doubt if anyone will ever know.
smovu
mov r4, r1
rts

16
newlib/libc/machine/rx/strlen.S Normal file
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.file "strlen.S"
.section .text
.global _strlen
.type _strlen,@function
_strlen:
add #0, r1, r4 ; Save a copy of the string start address and set the condition flags.
beq null_string ; Test for a NULL pointer.
mov #-1, r3 ; Set a limit on the number of bytes examined.
mov #0, r2 ; Stop searching when we find a NUL byte.
suntil.b ; Search until *r1 == r2
sub #1, r1 ; suntil.b leaves r1 pointing to the byte beyond the match.
null_string:
sub r4, r1 ; Compute the length.
rts

35
newlib/libc/machine/rx/strncat.S Normal file
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.file "strncat.S"
.section .text
.global _strncat
.type _strncat,@function
_strncat:
;; On entry: r1 => Destination
;; r2 => Source
;; r3 => Max number of bytes to copy
mov r1, r4 ; Save a copy of the dest pointer.
mov r2, r5 ; Save a copy of the source pointer.
mov r3, r6 ; Save a copy of the byte count.
mov #0, r2 ; Search for the NUL byte.
mov #-1, r3 ; Search until we run out of memory.
suntil.b ; Find the end of the destination string.
sub #1, r1 ; suntil.b leaves r1 pointing to the byte beyond the NUL.
mov r6, r3 ; Restore the limit on the number of bytes copied.
mov r5, r2 ; Restore the source pointer.
mov r1, r5 ; Save a copy of the dest pointer.
smovu ; Copy source to destination.
add #0, r6, r3 ; Restore the number of bytes to copy (again), but this time set the Z flag as well.
beq 1f ; If we copied 0 bytes then we already know that the dest string is NUL terminated, so we do not have to do anything.
mov #0, r2 ; Otherwise we must check to see if a NUL byte
mov r5, r1 ; was included in the bytes that were copied.
suntil.b
beq 1f ; Z flag is set if a match was found.
add r6, r5 ; Point at byte after end of copied bytes.
mov.b #0, [r5] ; Store a NUL there.
1:
mov r4, r1 ; Return the original dest pointer.
rts

13
newlib/libc/machine/rx/strncmp.S Normal file
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.file "strncmp.S"
.section .text
.global _strncmp
.type _strncmp,@function
_strncmp:
scmpu ; Perform the string comparison
bnc 1f ; If Carry is not set skip over
scne.L r1 ; Set result based on Z flag
rts ;
1: ;
mov #-1,r1 ; Carry not set, result should be negative
rts ;

18
newlib/libc/machine/rx/strncpy.S Normal file
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.file "strncpy.S"
.section .text
.global _strncpy
.type _strncpy,@function
_strncpy:
mov r1, r4 ; Save a copy of the dest pointer.
mov r3, r5 ; Save a copy of the byte count
smovu ; Copy the bytes
cmp #0, r3 ; If we have copied the number of bytes requested
beq 1f ; then skip the next bit:
add r4, r5, r1 ; Point to the last byte that we are supposed to write.
sub r3, r1 ; Subtract the number of bytes left to be written.
mov #0, r2 ; Fill the remaining bytes with NULs,
sstr.b
1:
mov r4, r1 ; Return the destination pointer
rts