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2013-05-06 Sandra Loosemore <sandra@codesourcery.com> 

* configure.host (machine_dir, sys_dir, syscall_dir, newlib_cflags):
        Add settings for nios2*.
        * libc/include/machine/ieeefp.h (IEEE_BIG_ENDIAN, IEEE_LITTLE_ENDIAN):
        Likewise.
        * libc/include/machine/setjmp.h (JBLEN, JBTYPE): Likewise.
        * libc/machine/configure.in: Add nios2 subdir.
        * libc/machine/configure: Regenerated.
        * libc/machine/nios2/Makefile.am: New.
        * libc/machine/nios2/Makefile.in: New (autogenerated).
        * libc/machine/nios2/aclocal.m4: New (copied from mips version).
        * libc/machine/nios2/configure.in: New.
        * libc/machine/nios2/configure: New (autogenerated).
        * libc/machine/nios2/setjmp.s: New.
This commit is contained in:
Jeff Johnston 2013-05-06 18:23:09 +00:00
parent d81e052096
commit c16862d85b
12 changed files with 6369 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
newlib/ChangeLog
View File

@ -1,3 +1,19 @@
2013-05-06 Sandra Loosemore <sandra@codesourcery.com>
* configure.host (machine_dir, sys_dir, syscall_dir, newlib_cflags):
Add settings for nios2*.
* libc/include/machine/ieeefp.h (IEEE_BIG_ENDIAN, IEEE_LITTLE_ENDIAN):
Likewise.
* libc/include/machine/setjmp.h (JBLEN, JBTYPE): Likewise.
* libc/machine/configure.in: Add nios2 subdir.
* libc/machine/configure: Regenerated.
* libc/machine/nios2/Makefile.am: New.
* libc/machine/nios2/Makefile.in: New (autogenerated).
* libc/machine/nios2/aclocal.m4: New (copied from mips version).
* libc/machine/nios2/configure.in: New.
* libc/machine/nios2/configure: New (autogenerated).
* libc/machine/nios2/setjmp.s: New.
2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/stdio/local.h (CHECK_INIT): Evaluate argument only once.

10
newlib/configure.host
View File

@ -227,6 +227,9 @@ case "${host_cpu}" in
mt*)
machine_dir=mt
;;
nios2*)
machine_dir=nios2
;;
or16)
;;
or32)
@ -476,6 +479,9 @@ case "${host}" in
moxie*)
sys_dir=
;;
nios2*)
sys_dir=
;;
powerpcle-*-pe)
posix_dir=posix
;;
@ -703,6 +709,10 @@ case "${host}" in
syscall_dir=syscalls
default_newlib_io_long_long="yes"
;;
nios2*)
syscall_dir=
newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
;;
powerpc*-*-eabialtivec*)
default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"

8
newlib/libc/include/machine/ieeefp.h
View File

@ -388,6 +388,14 @@
#define __SMALL_BITFIELDS /* 16 Bit INT */
#endif
#ifdef __NIOS2__
# ifdef __nios2_big_endian__
# define __IEEE_BIG_ENDIAN
# else
# define __IEEE_LITTLE_ENDIAN
# endif
#endif
#ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN
#error Endianess not declared!!

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

@ -287,6 +287,24 @@ _BEGIN_STD_C
#define _JBTYPE unsigned char
#endif
/*
* There are two versions of setjmp()/longjmp():
* 1) Compiler (gcc) built-in versions.
* 2) Function-call versions.
*
* The built-in versions are used most of the time. When used, gcc replaces
* calls to setjmp()/longjmp() with inline assembly code. The built-in
* versions save/restore a variable number of registers.
* _JBLEN is set to 40 to be ultra-safe with the built-in versions.
* It only needs to be 12 for the function-call versions
* but this data structure is used by both versions.
*/
#ifdef __NIOS2__
#define _JBLEN 40
#define _JBTYPE unsigned long
#endif
#ifdef __RX__
#define _JBLEN 0x44
#endif

7
newlib/libc/machine/configure vendored
View File

@ -816,6 +816,7 @@ mn10300
moxie
mt
necv70
nios2
powerpc
rl78
rx
@ -11469,7 +11470,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11472 "configure"
#line 11473 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11575,7 +11576,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11578 "configure"
#line 11579 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11881,6 +11882,8 @@ subdirs="$subdirs a29k"
mt) subdirs="$subdirs mt"
;;
necv70) subdirs="$subdirs necv70"
;;
nios2) subdirs="$subdirs nios2"
;;
powerpc) subdirs="$subdirs powerpc"
;;

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

@ -55,6 +55,7 @@ if test -n "${machine_dir}"; then
moxie) AC_CONFIG_SUBDIRS(moxie) ;;
mt) AC_CONFIG_SUBDIRS(mt) ;;
necv70) AC_CONFIG_SUBDIRS(necv70) ;;
nios2) AC_CONFIG_SUBDIRS(nios2) ;;
powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
rl78) AC_CONFIG_SUBDIRS(rl78) ;;
rx) AC_CONFIG_SUBDIRS(rx) ;;

16
newlib/libc/machine/nios2/Makefile.am Normal file
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@ -0,0 +1,16 @@
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ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

439
newlib/libc/machine/nios2/Makefile.in Normal file
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@ -0,0 +1,439 @@
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1012
newlib/libc/machine/nios2/aclocal.m4 vendored Normal file
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4748
newlib/libc/machine/nios2/configure vendored Executable file
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14
newlib/libc/machine/nios2/configure.in Normal file
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@ -0,0 +1,14 @@
dnl This is the newlib/libc/machine/nios2 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([setjmp.s])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

82
newlib/libc/machine/nios2/setjmp.s Normal file
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@ -0,0 +1,82 @@
;/*
; * C library -- _setjmp, _longjmp
; *
; * _longjmp(a,v)
; * will generate a "return(v?v:1)" from
; * the last call to
; * _setjmp(a)
; * by unwinding the call stack.
; * The previous signal state is NOT restored.
; *
; *
; * Copyright (c) 2003 Altera 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:
; *
; * o Redistributions of source code must retain the above copyright
; * notice, this list of conditions and the following disclaimer.
; * o 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.
; * o Neither the name of Altera Corporation 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 ALTERA CORPORATION, THE COPYRIGHT HOLDER,
; * AND ITS CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
; * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
; * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
; * THE COPYRIGHT HOLDER 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.
; */
.section .text
.align 3
.globl setjmp
.type setjmp,@function
.globl longjmp
.type longjmp,@function
setjmp:
stw r16, 0(r4)
stw r17, 4(r4)
stw r18, 8(r4)
stw r19, 12(r4)
stw r20, 16(r4)
stw r21, 20(r4)
stw r22, 24(r4)
stw r23, 28(r4)
stw gp, 32(r4)
stw sp, 36(r4)
stw fp, 40(r4)
stw ra, 44(r4)
mov r2, zero
ret
longjmp:
ldw r16, 0(r4)
ldw r17, 4(r4)
ldw r18, 8(r4)
ldw r19, 12(r4)
ldw r20, 16(r4)
ldw r21, 20(r4)
ldw r22, 24(r4)
ldw r23, 28(r4)
ldw gp, 32(r4)
ldw sp, 36(r4)
ldw fp, 40(r4)
ldw ra, 44(r4)
mov r2, r5
bne r2, zero, 1f
movi r2, 1
1:
ret