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2013-07-09 Sabrina Ni <sabrina@andestech.com> 

* configure.in: Add nds32 subdir.
        * configure: Regenerated.
        * nds32/configure.in: New.
        * nds32/configure: New (autogenerated).
        * nds32/{crt0.S,crt1.S}: New.
        * nds32/Makefile.in: New.
        * nds32/{syscall_argvlen.S,syscall_argv.S,
        syscall_chdirS, syscall_chmod.S,
        syscall_close.S,syscall_exit.S,syscall_extra.h, syscall_fstat.S,
        syscall_getpid.S,syscall_gettimeofday.S,syscall_isatty.S,syscall_kill.S,
        syscall_link.S,syscall_lseek.S,syscall_open.S,syscall_read.S,
        syscall_rename.S,syscall_sbrk.S,syscall_stat.S,syscall_system.S,
        syscall_time.S,syscall_times.S,syscall_unlink.S,syscall_utime.S,
        syscall_write.S}: New.
This commit is contained in:
Jeff Johnston 2013-07-09 19:16:25 +00:00
parent dc0cb474bb
commit bdf683b1c8
34 changed files with 6114 additions and 0 deletions
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17
libgloss/ChangeLog
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@ -1,3 +1,20 @@
2013-07-09 Sabrina Ni <sabrina@andestech.com>
* configure.in: Add nds32 subdir.
* configure: Regenerated.
* nds32/configure.in: New.
* nds32/configure: New (autogenerated).
* nds32/{crt0.S,crt1.S}: New.
* nds32/Makefile.in: New.
* nds32/{syscall_argvlen.S,syscall_argv.S,
syscall_chdirS, syscall_chmod.S,
syscall_close.S,syscall_exit.S,syscall_extra.h, syscall_fstat.S,
syscall_getpid.S,syscall_gettimeofday.S,syscall_isatty.S,syscall_kill.S,
syscall_link.S,syscall_lseek.S,syscall_open.S,syscall_read.S,
syscall_rename.S,syscall_sbrk.S,syscall_stat.S,syscall_system.S,
syscall_time.S,syscall_times.S,syscall_unlink.S,syscall_utime.S,
syscall_write.S}: New.
2013-07-04 Yufeng Zhang <Yufeng.Zhang@arm.com>
* aarch64/syscalls.c (stack_ptr): Defined with asm ("wsp") if __ILP32__

5
libgloss/configure vendored
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@ -670,6 +670,7 @@ epiphany
i386
m32r
m68hc11
nds32
m68k
pa
i960
@ -2414,6 +2415,10 @@ case "${target}" in
m68hc11-*-* | m6811-*-* | m68hc12-*-* | m6812-*-*)
subdirs="$subdirs m68hc11"
;;
nds32*-*-*)
subdirs="$subdirs nds32"
;;
fido-*-* | m68*-*-*)
subdirs="$subdirs m68k"

3
libgloss/configure.in
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@ -51,6 +51,9 @@ case "${target}" in
m68hc11-*-* | m6811-*-* | m68hc12-*-* | m6812-*-*)
AC_CONFIG_SUBDIRS([m68hc11])
;;
nds32*-*-*)
AC_CONFIG_SUBDIRS([nds32])
;;
fido-*-* | m68*-*-*)
AC_CONFIG_SUBDIRS([m68k])
;;

145
libgloss/nds32/Makefile.in Normal file
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@ -0,0 +1,145 @@
# Makefile for libgloss/nds32
# Copyright (c) 1996, 1998 Cygnus Support. 2012 Andes Porting.
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation,
# advertising materials, and other materials related to such
# distribution and use acknowledge that the software was developed
# at Cygnus Support, Inc. Cygnus Support, Inc. may not be used to
# endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
DESTDIR =
VPATH = @srcdir@ @srcdir@/..
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..
host_alias = @host_alias@
target_alias = @target_alias@
prefix = @prefix@
exec_prefix = @exec_prefix@
bindir = @bindir@
libdir = @libdir@
tooldir = $(exec_prefix)/$(target_alias)
TOP = ../..
SRCTOP = ../..
# Multilib support variables.
# TOP is used instead of MULTI{BUILD,SRC}TOP.
MULTISRCTOP =
MULTIBUILDTOP =
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 = qv
BISON = bison
MAKEINFO = makeinfo
.NOEXPORT:
MAKEOVERRIDES =
TARGETDOC = ../../targetdep.tex
CRT0 = crt0.o
CRT1 = crt1.o
SYSCALLS1 = syscall_exit.o syscall_open.o syscall_close.o syscall_read.o syscall_write.o
SYSCALLS2 = syscall_lseek.o syscall_unlink.o syscall_getpid.o syscall_kill.o syscall_fstat.o
SYSCALLS3 = syscall_argvlen.o syscall_argv.o syscall_chdir.o syscall_stat.o syscall_chmod.o
SYSCALLS4 = syscall_utime.o syscall_time.o syscall_gettimeofday.o syscall_times.o syscall_link.o
SYSCALLS5 = syscall_rename.o syscall_isatty.o syscall_system.o syscall_sbrk.o
SYSCALLS = $(SYSCALLS1) $(SYSCALLS2) $(SYSCALLS3) $(SYSCALLS4) $(SYSCALLS5)
GENERIC_LIBOBJS =
LIBOBJS = $(SYSCALLS) $(GENERIC_LIBOBJS)
LIBGLOSS = libgloss.a
# Host specific makefile fragment comes in here.
@host_makefile_frag@
all: $(CRT0) $(CRT1) $(LIBGLOSS)
libgloss.a: $(LIBOBJS)
$(AR) $(ARFLAGS) $@ $(LIBOBJS)
$(RANLIB) $@
install:
mkdir -p $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
$(INSTALL_DATA) $(CRT0) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT0)
$(INSTALL_DATA) $(CRT1) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(CRT1)
$(INSTALL_DATA) $(LIBGLOSS) $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/$(LIBGLOSS)
clean mostlyclean:
rm -f *~ *.[oa]
distclean maintainer-clean realclean: clean
rm -f Makefile config.status
info doc:
install-info:
clean-info:
Makefile: Makefile.in config.status @host_makefile_frag_path@
$(SHELL) config.status
config.status: configure
$(SHELL) config.status --recheck
# to support SunOS VPATH
crt0.o: crt0.S
crt1.o: crt1.S
syscall_exit.o: syscall_exit.S
syscall_open.o: syscall_open.S
syscall_close.o: syscall_close.S
syscall_read.o: syscall_read.S
syscall_write.o: syscall_write.S
syscall_lseek.o: syscall_lseek.S
syscall_unlink.o: syscall_unlink.S
syscall_getpid.o: syscall_getpid.S
syscall_kill.o: syscall_kill.S
syscall_fstat.o: syscall_fstat.S
syscall_argvlen.o: syscall_argvlen.S
syscall_argv.o: syscall_argv.S
syscall_chdir.o: syscall_chdir.S
syscall_stat.o: syscall_stat.S
syscall_chmod.o: syscall_chmod.S
syscall_utime.o: syscall_utime.S
syscall_time.o: syscall_time.S
syscall_gettimeofday.o: syscall_gettimeofday.S
syscall_times.o: syscall_times.S
syscall_link.o: syscall_link.S
syscall_rename.o: syscall_rename.S
syscall_isatty.o: syscall_isatty.S
syscall_system.o: syscall_system.S
syscall_sbrk.o: syscall_sbrk.S

409
libgloss/nds32/aclocal.m4 vendored Normal file
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@ -0,0 +1,409 @@
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3924
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@ -0,0 +1,47 @@
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target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${srcdir}/../..
)
AC_OUTPUT

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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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.
*/
##==============================================================================
##
## crt0.S
##
## nds32 startup code
##
##==============================================================================
##------------------------------------------------------------------------------
## Vector table setup
##------------------------------------------------------------------------------
.section .nds32_init, "ax"
j _start
##------------------------------------------------------------------------------
## Startup code implementation
##------------------------------------------------------------------------------
.section .text
.weak _SDA_BASE_
.weak _FP_BASE_
.global _start
.type _start, @function
.align 2
_start:
.L_fp_gp_lp_init:
/* Initialization for $fp, $gp, and $lp. The _SDA_BASE_ location
stands for Small Data Access. */
la $fp, _FP_BASE_
la $gp, _SDA_BASE_
movi $lp, #0
.L_stack_init:
/* Initialization for $sp and make sure it is 8-byte aligned. */
la $sp, _stack
movi $r0, #-8 /* Set $r0 as 0xFFFFFFF8. */
and $sp, $sp, $r0
.L_bss_clear:
/* Clear bss section. */
la $r3, _end
la $r0, _edata
beq $r0, $r3, .L_call_main /* Branch if no bss. */
sub $r1, $r3, $r0 /* Size to be clear. */
/* Set $r2 as how many words to be clear.
Set $r1 as how many bytes are less than a woard to be clear. */
srli $r2, $r1, #2
andi $r1, $r1, #3
beqz $r3, .Lbyte_clear
la $r4, #0x00000000
.Lword_clear:
swi.bi $r4, [$r0], #4
addi $r2, $r2, #-1
bnez $r2, .Lword_clear /* Loop again ? */
beqz $r1, .Lend_bss
.Lbyte_clear:
sbi.bi $r4, [$r0], #1
addi $r1, $r1, #-1
bnez $r1, .Lbyte_clear
.Lend_bss:
.L_call_main:
la $r15, main
jral $r15
.L_terminate_program:
/* There are two ways to terminate program:
1. User "syscall 0x1" directly.
2. Call exit. The return value $r0 from main() is
implicitly passed as argument.
Currently, we use option 2 as a solution to follow C99 5.1.2.2.3,
but aware that general exit() will do some cleanup procedures
which may result in large-memory-footprints. */
la $r15, exit
jral $r15
.L_forever_loop:
/* Should never return here. */
b .L_forever_loop
.size _start, .-_start

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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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.
*/
##==============================================================================
##
## crt1.S
##
## nds32 startup code
##
##==============================================================================
##------------------------------------------------------------------------------
## Vector table setup
##------------------------------------------------------------------------------
.section .nds32_init, "ax"
j _start
##------------------------------------------------------------------------------
## Startup code implementation
##------------------------------------------------------------------------------
.section .text
.weak _SDA_BASE_
.weak _FP_BASE_
.global _start
.type _start, @function
.align 2
_start:
.L_fp_gp_lp_init:
/* Initialization for $fp, $gp, and $lp. The _SDA_BASE_ location
stands for Small Data Access. */
la $fp, _FP_BASE_
la $gp, _SDA_BASE_
movi $lp, #0
.L_stack_init:
/* Initialization for $sp and make sure it is 8-byte aligned. */
la $sp, _stack
movi $r0, #-8 /* Set $r0 as 0xFFFFFFF8. */
and $sp, $sp, $r0
.L_bss_clear:
/* Clear bss section. */
la $r3, _end
la $r0, _edata
beq $r0, $r3, .L_call_main /* Branch if no bss. */
sub $r1, $r3, $r0 /* Size to be clear. */
/* Set $r2 as how many words to be clear.
Set $r1 as how many bytes are less than a woard to be clear. */
srli $r2, $r1, #2
andi $r1, $r1, #3
beqz $r3, .Lbyte_clear
la $r4, #0x00000000
.Lword_clear:
swi.bi $r4, [$r0], #4
addi $r2, $r2, #-1
bnez $r2, .Lword_clear /* Loop again ? */
beqz $r1, .Lend_bss
.Lbyte_clear:
sbi.bi $r4, [$r0], #1
addi $r1, $r1, #-1
bnez $r1, .Lbyte_clear
.Lend_bss:
.L_call_main:
/* Call '_init' to invoke constructors. */
jal _init
/* Register '_fini' into atexit() to invoke destructors when
exit() has been reached. */
la $r0, _fini
jal atexit
/* Call 'main'. */
la $r15, main
jral $r15
.L_terminate_program:
/* There are two ways to terminate program:
1. User "syscall 0x1" directly.
2. Call exit. The return value $r0 from main() is
implicitly passed as argument.
Currently, we use option 2 as a solution to follow C99 5.1.2.2.3,
but aware that general exit() will do some cleanup procedures
which may result in large-memory-footprints. */
la $r15, exit
jral $r15
.L_forever_loop:
/* Should never return here. */
b .L_forever_loop
.size _start, .-_start

53
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _argv
.type _argv, @function
.align 2
_argv:
/* Make syscall 'SYS_argv'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_argv
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _argv, .-_argv

53
libgloss/nds32/syscall_argvlen.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _argvlen
.type _argvlen, @function
.align 2
_argvlen:
/* Make syscall 'SYS_argvlen'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_argvlen
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _argvlen, .-_argvlen

53
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _chdir
.type _chdir, @function
.align 2
_chdir:
/* Make syscall 'SYS_chdir'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_chdir
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _chdir, .-_chdir

53
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _chmod
.type _chmod, @function
.align 2
_chmod:
/* Make syscall 'SYS_chmod'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_chmod
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _chmod, .-_chmod

53
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _close
.type _close, @function
.align 2
_close:
/* Make syscall 'SYS_close'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_close
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _close, .-_close

39
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
.section .text
.global _exit
.type _exit, @function
.align 2
_exit:
syscall SYS_exit /* Make syscall 'SYS_exit'. */
.size _exit, .-_exit

41
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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.
*/
#ifndef _SYSCALL_EXTRA_H
#define _SYSCALL_EXTRA_H
/* These are additional syscalls for nds32 target. */
#define SYS_rename 3001
#define SYS_isatty 3002
#define SYS_system 3003
#define SYS_geterr 6001
#endif /* _SYSCALL_EXTRA_H */

53
libgloss/nds32/syscall_fstat.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _fstat
.type _fstat, @function
.align 2
_fstat:
/* Make syscall 'SYS_fstat'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_fstat
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _fstat, .-_fstat

53
libgloss/nds32/syscall_getpid.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _getpid
.type _getpid, @function
.align 2
_getpid:
/* Make syscall 'SYS_getpid'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_getpid
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _getpid, .-_getpid

53
libgloss/nds32/syscall_gettimeofday.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _gettimeofday
.type _gettimeofday, @function
.align 2
_gettimeofday:
/* Make syscall 'SYS_gettimeofday'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_gettimeofday
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _gettimeofday, .-_gettimeofday

53
libgloss/nds32/syscall_isatty.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _isatty
.type _isatty, @function
.align 2
_isatty:
/* Make syscall 'SYS_isatty'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_isatty
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _isatty, .-_isatty

53
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _kill
.type _kill, @function
.align 2
_kill:
/* Make syscall 'SYS_kill'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_kill
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _kill, .-_kill

53
libgloss/nds32/syscall_link.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _link
.type _link, @function
.align 2
_link:
/* Make syscall 'SYS_link'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_link
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _link, .-_link

53
libgloss/nds32/syscall_lseek.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _lseek
.type _lseek, @function
.align 2
_lseek:
/* Make syscall 'SYS_lseek'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_lseek
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _lseek, .-_lseek

53
libgloss/nds32/syscall_open.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _open
.type _open, @function
.align 2
_open:
/* Make syscall 'SYS_open'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_open
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _open, .-_open

56
libgloss/nds32/syscall_read.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _read
.type _read, @function
.align 2
_read:
/* Make syscall 'SYS_read'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_read
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
/* Return value '11' stored in $r0 means we need to try again. */
addi $r1, $r0, -11
beqz $r1, _read
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _read, .-_read

53
libgloss/nds32/syscall_rename.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _rename
.type _rename, @function
.align 2
_rename:
/* Make syscall 'SYS_rename'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_rename
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _rename, .-_rename

76
libgloss/nds32/syscall_sbrk.S Normal file
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/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern _end
.global _sbrk
.text
.align 2
_sbrk:
/* Get the value stored in heap_end (Top of Heap). If the value is zero,
initialize it with the ending of bss section and leave a 1024-byte
room to do low memory action. */
l.w $r1, heap_end
bnez $r1, .L0
/* Note: leave 1024 byte to do low memory action. */
la $r1, _end + 1024
s.w $r1, heap_end
.L0:
/* Try to increments heap_end by $r0 bytes. Check if collision happens ?
If collision happens, -1 is returned and errno is set to ENOMEM.
Otherwise, save new value to heap_end and return the previous
heap_end. */
/* Make sure new heap_end is aligned on 8-byte boundary. */
addi $r0, $r0, 7
srli $r0, $r0, 3
slli $r0, $r0, 3
add $r0, $r1, $r0 /* Set $r0 as new heap_end. */
slt $r2, $sp, $r0 /* Set $r2 if $sp is lower than heap_end. */
bnez $r2, .Lerror /* Branch if collision happens. */
s.w $r0, heap_end /* Save new value to heap_end. */
move $r0, $r1 /* Return the previous heap_end. */
ret
.Lerror:
movi $r0, 12
s.w $r0, errno /* Set error code: 12 (ENOMEM) to errno. */
movi $r0, -1 /* Reture value is -1. */
ret
.section .bss
.align 2
heap_end:
.word 0

53
libgloss/nds32/syscall_stat.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _stat
.type _stat, @function
.align 2
_stat:
/* Make syscall 'SYS_stat'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_stat
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _stat, .-_stat

53
libgloss/nds32/syscall_system.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _system
.type _system, @function
.align 2
_system:
/* Make syscall 'SYS_system'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_system
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _system, .-_system

53
libgloss/nds32/syscall_time.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _time
.type _time, @function
.align 2
_time:
/* Make syscall 'SYS_time'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_time
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _time, .-_time

53
libgloss/nds32/syscall_times.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _times
.type _times, @function
.align 2
_times:
/* Make syscall 'SYS_times'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_times
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _times, .-_times

53
libgloss/nds32/syscall_unlink.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _unlink
.type _unlink, @function
.align 2
_unlink:
/* Make syscall 'SYS_unlink'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_unlink
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _unlink, .-_unlink

53
libgloss/nds32/syscall_utime.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _utime
.type _utime, @function
.align 2
_utime:
/* Make syscall 'SYS_utime'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_utime
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _utime, .-_utime

53
libgloss/nds32/syscall_write.S Normal file
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@ -0,0 +1,53 @@
/*
Copyright (c) 2013 Andes Technology Corporation.
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 the company 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"
#include "syscall_extra.h"
.extern errno
.section .text
.global _write
.type _write, @function
.align 2
_write:
/* Make syscall 'SYS_write'.
Reture value '-1' stored in $r0 means there is something wrong.
If there is something wrong, make syscall 'SYS_geterr' to get
error code to see what exactly happens and store it in errno . */
syscall SYS_write
addi $r1, $r0, 1
bnez $r1, .Ldone
syscall SYS_geterr
s.w $r0, errno
movi $r0, -1
.Ldone:
ret
.size _write, .-_write