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2002-08-17 Jeff Johnston <jjohnstn@redhat.com> 

*  Makefile.am: Move cmath stuff into libc/sys/linux.
        *  Makefile.in: Regenerated.
        *  configure.host: Default -DMB_CAPABLE for x86-linux.
        *  libc/include/reent.h: Define _sbrk to take signed int argument.
        *  libc/include/sys/unistd.h: Ditto for _sbrk_r and sbrk.
        *  libc/locale/locale.c[MB_CAPABLE]: Add LC_MESSAGES support and
        make locale name checking more efficient.  Also allow "C-ISO-8859-1"
        locale for LC_CTYPE and LC_MESSAGES.
        *  libc/reent/sbrkr.c: Change prototype to take ptrdiff_t.
        *  libc/sys/linux/brk.c: Change sbrk prototype.
        *  libc/sys/linux/include/time.h: Remove Cygwin stuff and
        include <sys/features.h>.
        (CLOCK_THREAD_CPUTIME): Renamed to CLOCK_THREAD_CPUTIME_ID.
        (CLOCK_PROCESS_CPUTIME): Renamed to CLOCK_PROCESS_CPUTIME_ID.
        *  libc/sys/linux/sys/cdefs.h: Replace with glibc sys/cdefs.h
        with a few local additions.
        *  libc/sys/linux/sys/features.h: New file.
        *  libc/sys/linux/sys/unistd.h: Change _sbrk_r and sbrk prototypes
        to take signed argument.
        *  libc/syscalls/syssbrk.c: Change sbrk, _sbrk_r, and _sbrk
        prototypes to take signed size argument.
This commit is contained in:
Jeff Johnston 2002-08-17 05:19:18 +00:00
parent 9e0f101fa9
commit ad5527663e
14 changed files with 377 additions and 180 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
newlib/ChangeLog
View File

@ -1,3 +1,27 @@
2002-08-17 Jeff Johnston <jjohnstn@redhat.com>
* Makefile.am: Move cmath stuff into libc/sys/linux.
* Makefile.in: Regenerated.
* configure.host: Default -DMB_CAPABLE for x86-linux.
* libc/include/reent.h: Define _sbrk to take signed int argument.
* libc/include/sys/unistd.h: Ditto for _sbrk_r and sbrk.
* libc/locale/locale.c[MB_CAPABLE]: Add LC_MESSAGES support and
make locale name checking more efficient. Also allow "C-ISO-8859-1"
locale for LC_CTYPE and LC_MESSAGES.
* libc/reent/sbrkr.c: Change prototype to take ptrdiff_t.
* libc/sys/linux/brk.c: Change sbrk prototype.
* libc/sys/linux/include/time.h: Remove Cygwin stuff and
include <sys/features.h>.
(CLOCK_THREAD_CPUTIME): Renamed to CLOCK_THREAD_CPUTIME_ID.
(CLOCK_PROCESS_CPUTIME): Renamed to CLOCK_PROCESS_CPUTIME_ID.
* libc/sys/linux/sys/cdefs.h: Replace with glibc sys/cdefs.h
with a few local additions.
* libc/sys/linux/sys/features.h: New file.
* libc/sys/linux/sys/unistd.h: Change _sbrk_r and sbrk prototypes
to take signed argument.
* libc/syscalls/syssbrk.c: Change sbrk, _sbrk_r, and _sbrk
prototypes to take signed size argument.
2002-08-16 Thomas Fitzsimmons <fitzsim@redhat.com>
* libc/sys/linux/cmath: New directory.

1
newlib/Makefile.am
View File

@ -114,7 +114,6 @@ LIBC_OBJECTLISTS = \
libc/reent/objectlist.awk.in \
libc/errno/objectlist.awk.in \
libc/stdio/objectlist.awk.in \
libc/sys/linux/cmath/objectlist.awk.in \
$(MACHINE_OBJECTLIST) \
$(SYS_OBJECTLIST) \
$(SYS_MACH_OBJECTLIST)

1
newlib/Makefile.in
View File

@ -212,7 +212,6 @@ LIBC_OBJECTLISTS = \
libc/reent/objectlist.awk.in \
libc/errno/objectlist.awk.in \
libc/stdio/objectlist.awk.in \
libc/sys/linux/cmath/objectlist.awk.in \
$(MACHINE_OBJECTLIST) \
$(SYS_OBJECTLIST) \
$(SYS_MACH_OBJECTLIST)

2
newlib/configure.host
View File

@ -330,7 +330,7 @@ case "${host}" in
newlib_cflags="${newlib_cflags} -Wall"
newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
newlib_cflags="${newlib_cflags} -D_LOOSE_KERNEL_NAMES -DHAVE_FCNTL"
newlib_cflags="${newlib_cflags} -DWANT_IO_POS_ARGS"
newlib_cflags="${newlib_cflags} -DWANT_IO_POS_ARGS -DMB_CAPABLE"
# --- Required when building a shared library ------------------------
newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
# --- The three lines below are optional ------------------------------

3
newlib/libc/include/reent.h
View File

@ -50,6 +50,7 @@ extern "C" {
#include <machine/types.h>
#define __need_size_t
#define __need_ptrdiff_t
#include <stddef.h>
/* FIXME: not namespace clean */
@ -71,7 +72,7 @@ extern int _link_r _PARAMS ((struct _reent *, const char *, const char *));
extern _off_t _lseek_r _PARAMS ((struct _reent *, int, _off_t, int));
extern int _open_r _PARAMS ((struct _reent *, const char *, int, int));
extern _ssize_t _read_r _PARAMS ((struct _reent *, int, void *, size_t));
extern void *_sbrk_r _PARAMS ((struct _reent *, size_t));
extern void *_sbrk_r _PARAMS ((struct _reent *, ptrdiff_t));
extern int _stat_r _PARAMS ((struct _reent *, const char *, struct stat *));
extern _CLOCK_T_ _times_r _PARAMS ((struct _reent *, struct tms *));
extern int _unlink_r _PARAMS ((struct _reent *, const char *));

6
newlib/libc/include/sys/unistd.h
View File

@ -91,11 +91,7 @@ int _EXFUN(rmdir, (const char *__path ));
#if defined(__CYGWIN__)
int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));
#endif
#if defined(__rtems__)
void * _EXFUN(sbrk, (ptrdiff_t __incr));
#else
void * _EXFUN(sbrk, (size_t __incr));
#endif
#if defined(__CYGWIN__)
int _EXFUN(setegid, (gid_t __gid ));
int _EXFUN(seteuid, (uid_t __uid ));
@ -141,7 +137,7 @@ pid_t _EXFUN(_getpid, (void ));
int _EXFUN(_link, (const char *__path1, const char *__path2 ));
off_t _EXFUN(_lseek, (int __fildes, off_t __offset, int __whence ));
_READ_WRITE_RETURN_TYPE _EXFUN(_read, (int __fd, void *__buf, size_t __nbyte ));
void * _EXFUN(_sbrk, (size_t __incr));
void * _EXFUN(_sbrk, (ptrdiff_t __incr));
int _EXFUN(_unlink, (const char *__path ));
_READ_WRITE_RETURN_TYPE _EXFUN(_write, (int __fd, const void *__buf, size_t __nbyte ));
int _EXFUN(_execve, (const char *__path, char * const __argv[], char * const __envp[] ));

126
newlib/libc/locale/locale.c
View File

@ -45,8 +45,9 @@ locale.
This is a minimal implementation, supporting only the required <<``C''>>
value for <[locale]>; strings representing other locales are not
honored unless MB_CAPABLE is defined in which case three new
extensions are allowed for LC_CTYPE only: <<''C-JIS''>>, <<''C-EUCJP''>>,
and <<''C-SJIS''>>. (<<``''>> is also accepted; it represents the default locale
extensions are allowed for LC_CTYPE or LC_MESSAGES only: <<''C-JIS''>>,
<<''C-EUCJP''>>, <<''C-SJIS''>>, or <<''C-ISO-8859-1''>>. (<<``''>> is
also accepted; it represents the default locale
for an implementation, here equivalent to <<``C''>>.)
If you use <<NULL>> as the <[locale]> argument, <<setlocale>> returns
@ -96,6 +97,10 @@ int __declspec(dllexport) __mb_cur_max = 1;
int __mb_cur_max = 1;
#endif
int __nlocale_changed = 0;
int __mlocale_changed = 0;
char *_PathLocale = NULL;
static _CONST struct lconv lconv =
{
".", "", "", "", "", "", "", "", "", "",
@ -104,6 +109,10 @@ static _CONST struct lconv lconv =
};
char * _EXFUN(__locale_charset,(_VOID));
static char *charset = "ISO-8859-1";
char *
_DEFUN(_setlocale_r, (p, category, locale),
struct _reent *p _AND
@ -120,12 +129,14 @@ _DEFUN(_setlocale_r, (p, category, locale),
}
return "C";
#else
static char lc_ctype[8] = "C";
static char last_lc_ctype[8] = "C";
static char lc_ctype[12] = "C";
static char last_lc_ctype[12] = "C";
static char lc_messages[12] = "C";
static char last_lc_messages[12] = "C";
if (locale)
{
if (category != LC_CTYPE)
if (category != LC_CTYPE && category != LC_MESSAGES)
{
if (strcmp (locale, "C") && strcmp (locale, ""))
return 0;
@ -133,39 +144,117 @@ _DEFUN(_setlocale_r, (p, category, locale),
{
strcpy (last_lc_ctype, lc_ctype);
strcpy (lc_ctype, locale);
strcpy (last_lc_messages, lc_messages);
strcpy (lc_messages, locale);
__mb_cur_max = 1;
}
}
else
{
if (strcmp (locale, "C") && strcmp (locale, "") &&
strcmp (locale, "C") && strcmp (locale, "C-JIS") &&
strcmp (locale, "C-EUCJP") && strcmp (locale, "C-SJIS") &&
strcmp (locale, "UTF-8"))
if (locale[0] != 'C')
return 0;
if (locale[1] == '-')
{
switch (locale[2])
{
case 'U':
if (strcmp (locale, "C-UTF-8"))
return 0;
break;
case 'J':
if (strcmp (locale, "C-JIS"))
return 0;
break;
case 'E':
if (strcmp (locale, "C-EUCJP"))
return 0;
break;
case 'S':
if (strcmp (locale, "C-SJIS"))
return 0;
break;
case 'I':
if (strcmp (locale, "C-ISO-8859-1"))
return 0;
break;
default:
return 0;
}
}
if (category == LC_CTYPE)
{
strcpy (last_lc_ctype, lc_ctype);
strcpy (lc_ctype, locale);
if (!strcmp (locale, "UTF-8"))
__mb_cur_max = 6;
else if (!strcmp (locale, "C-JIS"))
__mb_cur_max = 8;
else if (strlen (locale) > 1)
__mb_cur_max = 2;
else
__mb_cur_max = 1;
if (locale[1] == '-')
{
switch (locale[2])
{
case 'U':
__mb_cur_max = 6;
break;
case 'J':
__mb_cur_max = 8;
break;
case 'E':
__mb_cur_max = 2;
break;
case 'S':
__mb_cur_max = 2;
break;
case 'I':
default:
__mb_cur_max = 1;
}
}
}
else
{
strcpy (last_lc_messages, lc_messages);
strcpy (lc_messages, locale);
charset = "ISO-8859-1";
if (locale[1] == '-')
{
switch (locale[2])
{
case 'U':
charset = "UTF-8";
break;
case 'J':
charset = "JIS";
break;
case 'E':
charset = "EUCJP";
break;
case 'S':
charset = "SJIS";
break;
case 'I':
charset = "ISO-8859-1";
break;
default:
return 0;
}
}
}
}
p->_current_category = category;
p->_current_locale = locale;
if (category == LC_CTYPE)
return last_lc_ctype;
else if (category == LC_MESSAGES)
return last_lc_messages;
}
else
{
if (category == LC_CTYPE)
return lc_ctype;
else if (category == LC_MESSAGES)
return lc_messages;
}
return "C";
@ -173,6 +262,11 @@ _DEFUN(_setlocale_r, (p, category, locale),
}
char *
_DEFUN_VOID(__locale_charset)
{
return charset;
}
struct lconv *
_DEFUN(_localeconv_r, (data),

8
newlib/libc/reent/sbrkr.c
View File

@ -34,13 +34,13 @@ INDEX
ANSI_SYNOPSIS
#include <reent.h>
void *_sbrk_r(struct _reent *<[ptr]>, size_t <[incr]>);
void *_sbrk_r(struct _reent *<[ptr]>, ptrdiff_t <[incr]>);
TRAD_SYNOPSIS
#include <reent.h>
void *_sbrk_r(<[ptr]>, <[incr]>)
struct _reent *<[ptr]>;
size_t <[incr]>;
ptrdiff_t <[incr]>;
DESCRIPTION
This is a reentrant version of <<sbrk>>. It
@ -51,10 +51,10 @@ DESCRIPTION
void *
_sbrk_r (ptr, incr)
struct _reent *ptr;
size_t incr;
ptrdiff_t incr;
{
char *ret;
void *_sbrk(size_t);
void *_sbrk(ptrdiff_t);
errno = 0;
if ((ret = (char *)(_sbrk (incr))) == (void *) -1 && errno != 0)

2
newlib/libc/sys/linux/brk.c
View File

@ -28,7 +28,7 @@ int brk(void *end_data_segment)
}
void *sbrk(size_t increment) /* SHOULD be ptrdiff_t */
void *sbrk(ptrdiff_t increment) /* SHOULD be ptrdiff_t */
{
char *old_brk,*new_brk;

19
newlib/libc/sys/linux/include/time.h
View File

@ -104,22 +104,9 @@ extern __IMPORT char *_tzname[2];
#define tzname _tzname
#endif
/* CYGWIN also exposes daylight and timezone in the name space */
#ifdef __CYGWIN__
#ifndef daylight
#define daylight _daylight
#endif
#if timezonevar
#ifndef timezone
#define timezone ((long int) _timezone)
#endif
#else
char *_EXFUN(timezone, (void));
#endif
#endif /* __CYGWIN__ */
#endif /* !__STRICT_ANSI__ */
#include <bits/posix_opt.h>
#include <sys/features.h>
#if defined(_POSIX_TIMERS)
@ -187,7 +174,7 @@ int _EXFUN(nanosleep, (const struct timespec *rqtp, struct timespec *rmtp));
the identifier of the CPU_time clock associated with the PROCESS
making the function call. */
#define CLOCK_PROCESS_CPUTIME (clockid_t)2
#define CLOCK_PROCESS_CPUTIME_ID (clockid_t)2
#endif
@ -197,7 +184,7 @@ int _EXFUN(nanosleep, (const struct timespec *rqtp, struct timespec *rmtp));
the identifier of the CPU_time clock associated with the THREAD
making the function call. */
#define CLOCK_THREAD_CPUTIME (clockid_t)3
#define CLOCK_THREAD_CPUTIME_ID (clockid_t)3
#endif

283
newlib/libc/sys/linux/sys/cdefs.h
View File

@ -1,72 +1,83 @@
/* libc/sys/linux/sys/cdefs.h - Helper macros for K&R vs. ANSI C compat. */
/* Copyright (C) 1992,93,94,95,96,97,98,99,2000,2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
/* Written 2000 by Werner Almesberger */
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Berkeley Software Design, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)cdefs.h 8.8 (Berkeley) 1/9/95
* $FreeBSD: src/sys/sys/cdefs.h,v 1.54 2002/05/11 03:58:24 alfred Exp $
*/
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SYS_CDEFS_H
#define _SYS_CDEFS_H
#define _SYS_CDEFS_H 1
/* We are almost always included from features.h. */
#ifndef _FEATURES_H
# include <features.h>
#endif
/* The GNU libc does not support any K&R compilers or the traditional mode
of ISO C compilers anymore. Check for some of the combinations not
anymore supported. */
#if defined __GNUC__ && !defined __STDC__
# error "You need a ISO C conforming compiler to use the glibc headers"
#endif
#define __FBSDID(x) /* nothing */
/*
* Note: the goal here is not compatibility to K&R C. Since we know that we
* have GCC which understands ANSI C perfectly well, we make use of this.
*/
/* Some user header file might have defined this before. */
#undef __P
#undef __PMT
#ifdef __GNUC__
/* GCC can always grok prototypes. For C++ programs we add throw()
to help it optimize the function calls. But this works only with
gcc 2.8.x and egcs. */
# if defined __cplusplus && __GNUC_PREREQ (2,8)
# define __THROW throw ()
# else
# define __THROW
# endif
# define __P(args) args __THROW
/* This macro will be used for functions which might take C++ callback
functions. */
# define __PMT(args) args
#else /* Not GCC. */
# define __inline /* No inline functions. */
# define __THROW
# define __P(args) args
# define __PMT(args) args
# define __const const
# define __signed signed
# define __volatile volatile
#define __DOTS , ...
#define __THROW
#endif /* GCC. */
/* For these things, GCC behaves the ANSI way normally,
and the non-ANSI way under -traditional. */
#define __CONCAT(x,y) x ## y
#define __STRING(x) #x
/* This is not a typedef so `const __ptr_t' does the right thing. */
#define __ptr_t void *
#define __long_double_t long double
#define __attribute_malloc__
#define __attribute_pure__
#define __attribute_format_strfmon__(a,b)
#define __flexarr [0]
#define __restrict_arr
/* C++ needs to know that types and declarations are C, not C++. */
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
@ -75,6 +86,8 @@
# define __END_DECLS
#endif
/* Support for bounded pointers. */
#ifndef __BOUNDED_POINTERS__
# define __bounded /* nothing */
# define __unbounded /* nothing */
@ -82,44 +95,136 @@
#endif
/* Support for flexible arrays. */
#if __GNUC_PREREQ (2,97)
/* GCC 2.97 supports C99 flexible array members. */
# define __flexarr []
#else
# ifdef __GNUC__
#define __strong_reference(sym,aliassym) \
extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
#ifdef __ELF__
#ifdef __STDC__
#define __weak_reference(sym,alias) \
__asm__(".weak " #alias); \
__asm__(".equ " #alias ", " #sym)
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning." #sym); \
__asm__(".asciz \"" msg "\""); \
__asm__(".previous")
# define __flexarr [0]
# else
#define __weak_reference(sym,alias) \
__asm__(".weak alias"); \
__asm__(".equ alias, sym")
#define __warn_references(sym,msg) \
__asm__(".section .gnu.warning.sym"); \
__asm__(".asciz \"msg\""); \
__asm__(".previous")
#endif /* __STDC__ */
#else /* !__ELF__ */
#ifdef __STDC__
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_" #alias "\",11,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs \"" msg "\",30,0,0,0"); \
__asm__(".stabs \"_" #sym "\",1,0,0,0")
# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
# define __flexarr []
# else
#define __weak_reference(sym,alias) \
__asm__(".stabs \"_/**/alias\",11,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#define __warn_references(sym,msg) \
__asm__(".stabs msg,30,0,0,0"); \
__asm__(".stabs \"_/**/sym\",1,0,0,0")
#endif /* __STDC__ */
#endif /* __ELF__ */
#endif /* __GNUC__ */
/* Some other non-C99 compiler. Approximate with [1]. */
# define __flexarr [1]
# endif
# endif
#endif
#endif /* _SYS_CDEFS_H */
/* __asm__ ("xyz") is used throughout the headers to rename functions
at the assembly language level. This is wrapped by the __REDIRECT
macro, in order to support compilers that can do this some other
way. When compilers don't support asm-names at all, we have to do
preprocessor tricks instead (which don't have exactly the right
semantics, but it's the best we can do).
Example:
int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid); */
#if defined __GNUC__ && __GNUC__ >= 2
# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
# define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname)
# define __ASMNAME2(prefix, cname) __STRING (prefix) cname
/*
#elif __SOME_OTHER_COMPILER__
# define __REDIRECT(name, proto, alias) name proto; \
_Pragma("let " #name " = " #alias)
*/
#endif
/* GCC has various useful declarations that can be made with the
`__attribute__' syntax. All of the ways we use this do fine if
they are omitted for compilers that don't understand it. */
#if !defined __GNUC__ || __GNUC__ < 2
# define __attribute__(xyz) /* Ignore */
#endif
/* At some point during the gcc 2.96 development the `malloc' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
#if __GNUC_PREREQ (2,96)
# define __attribute_malloc__ __attribute__ ((__malloc__))
#else
# define __attribute_malloc__ /* Ignore */
#endif
/* At some point during the gcc 2.96 development the `pure' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
#if __GNUC_PREREQ (2,96)
# define __attribute_pure__ __attribute__ ((__pure__))
#else
# define __attribute_pure__ /* Ignore */
#endif
/* At some point during the gcc 3.1 development the `used' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
#if __GNUC_PREREQ (3,1)
# define __attribute_used__ __attribute__ ((__used__))
# define __attribute_noinline__ __attribute__ ((__noinline__))
#else
# define __attribute_used__ __attribute__ ((__unused__))
# define __attribute_noinline__ /* Ignore */
#endif
/* At some point during the gcc 2.8 development the `format_arg' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings.
If several `format_arg' attributes are given for the same function, in
gcc-3.0 and older, all but the last one are ignored. In newer gccs,
all designated arguments are considered. */
#if __GNUC_PREREQ (2,8)
# define __attribute_format_arg__(x) __attribute__ ((__format_arg__ (x)))
#else
# define __attribute_format_arg__(x) /* Ignore */
#endif
/* At some point during the gcc 2.97 development the `strfmon' format
attribute for functions was introduced. We don't want to use it
unconditionally (although this would be possible) since it
generates warnings. */
#if __GNUC_PREREQ (2,97)
# define __attribute_format_strfmon__(a,b) \
__attribute__ ((__format__ (__strfmon__, a, b)))
#else
# define __attribute_format_strfmon__(a,b) /* Ignore */
#endif
/* It is possible to compile containing GCC extensions even if GCC is
run in pedantic mode if the uses are carefully marked using the
`__extension__' keyword. But this is not generally available before
version 2.8. */
#if !__GNUC_PREREQ (2,8)
# define __extension__ /* Ignore */
#endif
/* __restrict is known in EGCS 1.2 and above. */
#if !__GNUC_PREREQ (2,92)
# define __restrict /* Ignore */
#endif
/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
array_name[restrict]
GCC 3.1 supports this. */
#if __GNUC_PREREQ (3,1) && !defined __GNUG__
# define __restrict_arr __restrict
#else
# ifdef __GNUC__
# define __restrict_arr /* Not supported in old GCC. */
# else
# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
# define __restrict_arr restrict
# else
/* Some other non-C99 compiler. */
# define __restrict_arr /* Not supported. */
# endif
# endif
#endif
#endif /* sys/cdefs.h */

16
newlib/libc/sys/linux/sys/features.h Normal file
View File

@ -0,0 +1,16 @@
#ifndef _SYS_FEATURES_H
#define _SYS_FEATURES_H
#include <bits/posix_opt.h>
/* We do not support asynchronous I/O. */
#undef _POSIX_ASYNCHRONOUS_IO
#undef _POSIX_ASYNC_IO
#undef _LFS_ASYNCHRONOUS_IO
#undef _LFS64_ASYNCHRONOUS_IO
/* POSIX message queues are supported. */
#undef _POSIX_MESSAGE_PASSING
#define _POSIX_MESSAGE_PASSING 1
#endif /* _SYS_FEATURES_H */

24
newlib/libc/sys/linux/sys/unistd.h
View File

@ -23,9 +23,7 @@ unsigned _EXFUN(alarm, (unsigned __secs ));
int _EXFUN(chdir, (const char *__path ));
int _EXFUN(chmod, (const char *__path, mode_t __mode ));
int _EXFUN(chown, (const char *__path, uid_t __owner, gid_t __group ));
#if defined(__CYGWIN__) || defined(__rtems__)
int _EXFUN(chroot, (const char *__path ));
#endif
int _EXFUN(close, (int __fildes ));
char _EXFUN(*ctermid, (char *__s ));
char _EXFUN(*cuserid, (char *__s ));
@ -40,18 +38,14 @@ int _EXFUN(execlp, (const char *__file, const char *, ... ));
int _EXFUN(execv, (const char *__path, char * const __argv[] ));
int _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));
int _EXFUN(execvp, (const char *__file, char * const __argv[] ));
#if defined(__CYGWIN__) || defined(__rtems__)
int _EXFUN(fchdir, (int __fildes));
#endif
int _EXFUN(fchmod, (int __fildes, mode_t __mode ));
int _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group ));
pid_t _EXFUN(fork, (void ));
long _EXFUN(fpathconf, (int __fd, int __name ));
int _EXFUN(fsync, (int __fd));
char _EXFUN(*getcwd, (char *__buf, size_t __size ));
#if defined(__CYGWIN__)
int _EXFUN(getdomainname ,(char *__name, size_t __len));
#endif
gid_t _EXFUN(getegid, (void ));
uid_t _EXFUN(geteuid, (void ));
gid_t _EXFUN(getgid, (void ));
@ -67,11 +61,8 @@ pid_t _EXFUN(getpgrp, (void ));
pid_t _EXFUN(getpid, (void ));
pid_t _EXFUN(getppid, (void ));
uid_t _EXFUN(getuid, (void ));
#ifdef __CYGWIN__
char * _EXFUN(getusershell, (void));
char _EXFUN(*getwd, (char *__buf ));
int _EXFUN(iruserok, (unsigned long raddr, int superuser, const char *ruser, const char *luser));
#endif
int _EXFUN(isatty, (int __fildes ));
int _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group ));
int _EXFUN(link, (const char *__path1, const char *__path2 ));
@ -86,30 +77,15 @@ int _EXFUN(pipe, (int __fildes[2] ));
ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset));
ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset));
_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte ));
#if defined(__CYGWIN__)
int _EXFUN(revoke, (char *path));
#endif
int _EXFUN(rmdir, (const char *__path ));
#if defined(__CYGWIN__)
int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));
#endif
#if defined(__rtems__)
void * _EXFUN(sbrk, (ptrdiff_t __incr));
#else
void * _EXFUN(sbrk, (size_t __incr));
#endif
#if defined(__CYGWIN__)
int _EXFUN(setegid, (gid_t __gid ));
int _EXFUN(seteuid, (uid_t __uid ));
#endif
int _EXFUN(setgid, (gid_t __gid ));
int _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));
int _EXFUN(setpgrp, (void ));
pid_t _EXFUN(setsid, (void ));
int _EXFUN(setuid, (uid_t __uid ));
#if defined(__CYGWIN__)
void _EXFUN(setusershell, (void));
#endif
unsigned _EXFUN(sleep, (unsigned int __seconds ));
void _EXFUN(swab, (const void *, void *, ssize_t));
long _EXFUN(sysconf, (int __name ));

6
newlib/libc/syscalls/syssbrk.c
View File

@ -3,12 +3,12 @@
#include <reent.h>
#include <unistd.h>
extern void *_sbrk_r (struct _reent *, size_t);
extern void *_sbrk (size_t);
extern void *_sbrk_r (struct _reent *, ptrdiff_t);
extern void *_sbrk (ptrdiff_t);
void *
sbrk (incr)
size_t incr;
ptrdiff_t incr;
{
#ifdef REENTRANT_SYSCALLS_PROVIDED
return _sbrk_r (_REENT, incr);