Commit Graph

2009 Commits

Author SHA1 Message Date
Yaakov Selkowitz 8b8952064c Fix compile with GCC 5 -Werror
newlib/libc/
	* stdio64/freopen64.c: Include <string.h> for memset().
	* stdlib/quick_exit.c: Include <unistd.h> for _exit().
	* string/gnu_basename.c (__gnu_basename): Fix discarded const
	qualifier warning.
	* stdlib/strtold.c: Include "mprec.h" for _strtorx_r().

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-02-12 10:16:06 -06:00
Corinna Vinschen c4dcfc1bda printf(3): Handle multibyte decimal point in field size computation
This patch fixes the problem reported in
  https://cygwin.com/ml/cygwin/2016-02/msg00014.html

  The 2009 changes to handle multibyte decimal point and thousands
  separator missed to take the length of a multibyte decimal point into
  account when computing the field size.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-02-08 13:33:17 +01:00
Jon Turney c5fee55606 stdio.h: Use __POSIX_VISIBLE etc. guards for POSIX 1003.1:2001 functions
Current mesa expects stdio.h to prototype fileno() when compiling with gcc
-std=c99 -D_XOPEN_SOURCE

Fix the 'POSIX 1003.1:2001' block in stdio.h to prototype functions if not
__STRICT_ANSI__, or _BSD_SOURCE, _POSIX_C_SOURCE or _XOPEN_SOURCE are defined
appropriately

As far as I can tell, despite being in this block, setbuffer() and setlinebuf()
are BSDisms which aren't in POSIX 1003.1:2001

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2016-02-08 10:39:31 +01:00
Игорь Веневцев 352cdbb012 Newlib build is broken if configured with nano-malloc and non-reentrant system calls
Non-reentrant system calls version implies both MISSING_SYSCALL_NAMES
and REENTRANT_SYSCALL_PROVIDED macros to be defined.
Being coupled with --enable-newlib-nano-malloc knob it breaks the build:

bash-4.3$ ../newlib-2.3.0.20160104/configure CC_FOR_TARGET=gcc
AR_FOR_TARGET=ar RANLIB_FOR_TARGET=ranlib CFLAGS_FOR_TARGET="-m32
-DMISSING_SYSCALL_NAMES -DREENTRANT_SYSCALLS_PROVIDED"
--target=i386-elf --enable-newlib-nano-malloc && make

<...omitted output...>

../../../../../../newlib-2.3.0.20160104/newlib/libc/stdlib/nano-mallocr.c:
In function ‘_mallinfo_r’:
../../../../../../newlib-2.3.0.20160104/newlib/libc/stdlib/nano-mallocr.c:489:35:
error: macro "_sbrk_r" requires 2 arguments, but only 1 given
         sbrk_now = _sbrk_r(RCALL 0);
                                   ^
../../../../../../newlib-2.3.0.20160104/newlib/libc/stdlib/nano-mallocr.c:489:20:
error: ‘_sbrk_r’ undeclared (first use in this function)
         sbrk_now = _sbrk_r(RCALL 0);
                    ^
../../../../../../newlib-2.3.0.20160104/newlib/libc/stdlib/nano-mallocr.c:489:20:
note: each undeclared identifier is reported only once for each
function it appears in
Makefile:1512: recipe for target 'lib_a-nano-mallinfor.o' failed
make[8]: *** [lib_a-nano-mallinfor.o] Error 1

In case of non-reentrant system calls _sbrk_r became a macro with TWO
args (defined in reent.h):

#define _sbrk_r(__reent, __incr)  sbrk(__incr)

But in our case only one argument is present. (RCALL 0) is considered
as a single argument despite RCALL itself is a macro:)

So intermediate one-arg macro will be enough to expand args before
final _sbrk_r expansion:

#define _SBRK_R(X) _sbrk_r(X)

Here is a patch:
2016-02-08 10:33:07 +01:00
Igor Venevtsev 7c9651e3cc * newlib/libc/stdio/nano-vfscanf.c: Fix '%X' specifier procesing 2016-02-08 10:24:31 +01:00
Igor Venevtsev fa08ba8b23 * newlib/libc/stdio/nano-vfscanf.c: Fix '%F', '%G' and '%E' specifiers processing 2016-02-08 10:22:17 +01:00
Jeff Johnston c2a27453c6 Change if_nameindex() to use unsigned int i variable.
- i variable used in loop that shifts to right so use
  unsigned int instead
2016-02-04 13:30:14 -05:00
Corinna Vinschen ba4433e47f include/grp.h: Remove prototypes of non-standard functions
* libc/include/grp.h (group_from_gid): Remove prototype.
	(setgrfile): Ditto.
	(setgroupent): Ditto.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-01-29 13:39:57 +01:00
Steve Ellcey 4792146a0f Fix memcpy bug that reads past end of buffer.
* libc/machine/mips/memcpy.S (memcpy): Fix read past end of
	input.
2016-01-28 14:08:35 -08:00
Yaakov Selkowitz a710c89dcb grp.h: use __BSD_VISIBLE and __XSI_VISIBLE guards
This fixes the build of krb5 and other packages on Cygwin.

	* libc/include/grp.h: Use __BSD_VISIBLE and __XSI_VISIBLE guards.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-01-28 15:41:59 -06:00
Thomas Preud'homme 69f4c40291 Make macro checks ARMv8-M baseline proof
libgloss:

        * arm/Makefile.in: Add newlib/libc/machine/arm to the include path if
        newlib is present.
        * arm/arm.h: Include acle-compat.h.
        (THUMB_V7_V6M): Rename to ...
        (PREFER_THUMB): This.  Use ACLE macros __ARM_ARCH_ISA_ARM instead of
        __ARM_ARCH_6M__ to decide whether to define it.
        (THUMB1_ONLY): Define for Thumb-1 only targets.
        (THUMB_V7M_V6M): Rename to ...
        (THUMB_VXM): This.  Defined based on __ARM_ARCH_ISA_ARM, excluding
        ARMv7.
        * arm/crt0.S: Use THUMB1_ONLY rather than __ARM_ARCH_6M__,
        !__ARM_ARCH_ISA_ARM rather than THUMB_V7M_V6M for fp enabling, and
        PREFER_THUMB rather than THUMB_V7_V6M.  Rename other occurences of
        THUMB_V7M_V6M to THUMB_VXM.
        * arm/linux-crt0.c: Likewise.
        * arm/redboot-crt0.S: Likewise.
        * arm/swi.h: Likewise.
        * arm/trap.S: Likewise.

newlib:

        * libc/machine/arm/memcpy-stub.c: Use ACLE macros __ARM_ARCH_ISA_THUMB
        and __ARM_ARCH_ISA_ARM to check for Thumb-2 only targets rather than
        __ARM_ARCH and __ARM_ARCH_PROFILE.
        * libc/machine/arm/memcpy.S: Likewise.
        * libc/machine/arm/setjmp.S: Likewise for Thumb-1 only target and
        include acle-compat.h.
        * libc/machine/arm/strcmp.S: Likewise for Thumb-1 and Thumb-2 only
        target and include acle-compat.h.
        * libc/sys/arm/arm.h: Include acle-compat.h.
        (THUMB_V7_V6M): Rename to ...
        (PREFER_THUMB): This.  Use ACLE macro __ARM_ARCH_ISA_ARM instead of
        __ARM_ARCH_6M__ to decide whether to define it.
        (THUMB1_ONLY): Define for Thumb-1 only targets.
        (THUMB_V7M_V6M): Rename to ...
        (THUMB_VXM): This.  Defined based on __ARM_ARCH_ISA_ARM, excluding
        ARMv7.
        * libc/sys/arm/crt0.S: Use PREFER_THUMB rather than THUMB_V7_V6M and
        rename THUMB_V7M_V6M into THUMB_VXM.
        * libc/sys/arm/swi.h: Likewise.
2016-01-28 11:26:37 +01:00
Jeff Johnston 06cd7127e3 Fix up errors in regenerated files for 2.3.0 release. 2016-01-04 12:57:31 -05:00
Jeff Johnston ad7b3cde9c Regenerate files for newlib 2.3.0. 2015-12-21 21:32:11 -05:00
Jeff Johnston c2bbc54a62 Fix atexit logic to honor _ATEXIT_DYNAMIC_ALLOC setting.
If small reent is enabled (_REENT_SMALL is defined) then malloc() was
used in __register_exitproc() even if user requested it to be disabled
(_ATEXIT_DYNAMIC_ALLOC is defined). With this fix, function fails when
_ATEXIT_DYNAMIC_ALLOC is defined and whole static storage is already
used.

2015-12-21  Freddie Chopin  <freddie.chopin@gmail.com>

        * libc/stdlib/__atexit.c (__register_exitproc): Fix for
        _ATEXIT_DYNAMIC_ALLOC.
2015-12-21 11:53:14 -05:00
Jeff Johnston d2bb300b9b Add static instance of _on_exit_args for _REENT_SMALL platforms.
2015-12-21  Freddie Chopin  <freddie.chopin@gmail.com>

        * libc/stdlib/on_exit_args.{c,h}: New files.
        * libc/stdlib/Makefile.am: Add new source file.
        * libc/stdlib/Makefile.in: Regenerate.
        * libc/stdlib/__atexit.c (__register_exitproc): Initialize
        _on_exit_args_ptr field of _GLOBAL_ATEXIT on first run.
        * libc/stdlib/on_exit.c: Force linking of static instance of
        _on_exit_args.
        * libc/stdlib/cxa_atexit.c: Likewise.
2015-12-21 11:49:28 -05:00
Anton Kolesov 06537f05d4 ARC: Use new definitions for optional ARC CPU features
GCC for ARC has been updated to provide consistent naming of preprocessor
definitions for different optional architecture features:

    * __ARC_BARREL_SHIFTER__ instead of __Xbarrel_shifter for
      -mbarrel-shifter
    * __ARC_LL64__ instead of __LL64__ for -mll64
    * __ARCEM__ instead of __EM__ for -mcpu=arcem
    * __ARCHS__ instead of __HS__ for -mcpu=archs
    * etc (not used in newlib)

This patch updates assembly routines for ARC to use new definitions instead
of a deprecated ones. To ensure compatibility with older compiler new
definitions are also defined in asm.h if needed, based on deprecated
preprocessor definitions.

*** newlib/ChangeLog ***
2015-12-15  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* libc/machine/arc/asm.h: Define new GCC definition for old compiler.
	* libc/machine/arc/memcmp-bs-norm.S: Use new GCC defines to detect
	  processor features.
	* libc/machine/arc/memcmp.S: Likewise.
	* libc/machine/arc/memcpy-archs.S: Likewise.
	* libc/machine/arc/memcpy-bs.S: Likewise.
	* libc/machine/arc/memcpy.S: Likewise.
	* libc/machine/arc/memset-archs.S: Likewise.
	* libc/machine/arc/memset-bs.S: Likewise.
	* libc/machine/arc/memset.S: Likewise.
	* libc/machine/arc/setjmp.S: Likewise.
	* libc/machine/arc/strchr-bs-norm.S: Likewise.
	* libc/machine/arc/strchr-bs.S: Likewise.
	* libc/machine/arc/strchr.S: Likewise.
	* libc/machine/arc/strcmp-archs.S: Likewise.
	* libc/machine/arc/strcmp.S: Likewise.
	* libc/machine/arc/strcpy-bs-arc600.S: Likewise.
	* libc/machine/arc/strcpy-bs.S: Likewise.
	* libc/machine/arc/strcpy.S: Likewise.
	* libc/machine/arc/strlen-bs-norm.S: Likewise.
	* libc/machine/arc/strlen-bs.S: Likewise.
	* libc/machine/arc/strlen.S: Likewise.
	* libc/machine/arc/strncpy-bs.S: Likewise.
	* libc/machine/arc/strncpy.S: Likewise.

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
2015-12-17 22:48:16 +01:00
Corinna Vinschen 088f7a7239 Remove inclusion of sys/select.h in sys/types.h for backward compat
* libc/include/sys/types.h: Remove including <sys/select.h>.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-12-17 22:45:19 +01:00
Sebastian Huber f376e4f93b Add _REENT_INIT_PTR_ZEROED()
Provide a _REENT_INIT_PTR_ZEROED() macro to initialize an already
zero-initialized struct _reent.

	* libc/include/sys/reent.h (_REENT_INIT_PTR_ZEROED): New.
	(_REENT_INIT_PTR): Define only once and use _REENT_INIT_PTR_ZEROED().
2015-12-14 15:44:28 +01:00
Sebastian Huber 01885f533d FreeBSD compatibility for <sys/select.h>
* libc/include/sys/_sigset.h: New.
	* libc/include/sys/select.h: Do not include <sys/types.h> and
	<sys/time.h> to avoid cyclic header file dependencies.  Include
	specialized header files instead.
	(sigset_t): Conditionally define.
	* libc/include/sys/signal.h (sigset_t): Likewise.
	* libc/include/sys/time.h: Include <sys/select.h> if
	__BSD_VISIBLE.
	* libc/include/sys/types.h: Likewise.
2015-12-14 15:39:44 +01:00
Freddie Chopin c39ad27d9e Add missing lock releases in __register_exitproc().
In some code paths the __atexit_lock held by this function was not
released when returning with an error.

        * libc/stdlib/__atexit.c (__register_exitproc): Always release
        lock before return.
2015-12-14 14:31:36 +01:00
Corinna Vinschen 91a8eacec6 Add missing checks for __SNLK flag
* libc/stdio/fclose.c (_fclose_r): Make _flockfile/_funlockfile calls
        dependent on __SNLK flag.
        * libc/stdio/findfp.c (__fp_lock): Ditto.
        (__fp_unlock): Ditto.
        * libc/stdio/freopen.c (_freopen_r): Ditto.
        * libc/stdio64/freopen64.c (_freopen64_r): Ditto.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-12-08 21:23:22 +01:00
Corinna Vinschen 414e794811 Fix re-initialization of FILE flags and mbstate in freopen
* libc/stdio/freopen.c (_freopen_r): Only reset __SWID bit per SUSv4.
        * libc/stdio64/freopen64.c (_freopen64_r): Add missing resetting of
        flag values and _mbstate.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-12-08 18:44:23 +01:00
Nick Withers 5644f71428 Add definitions for NBBY to arm and rtems targets
* libc/sys/arm/sys/param.h (NBBY): Define if not already defined.
	* libc/sys/rtems/include/sys/param.h (NBBY): Define.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-12-07 16:31:00 +01:00
Corinna Vinschen 08184b362e Move fd_stuff from sys/types.h to sys/select.h
* libc/include/sys/types.h: Move definitions of NBBY and howmany to
	sys/param.h.  Move definitions of select(2) macros to sys/select.h.
	* libc/include/sys/param.h: See above.
	* libc/include/sys/select.h: Move Cygwin's sys/select.h here.

	* include/sys/select.h: Move select(2) macros from newlib's sys/types.h
	here.  Rename howmany to _howmany to unclutter namespace. Move file to
	newlib.
	* libc/rexex.cc: Add declaration for cygwin_gethostname.
	* poll.cc: Include sys/param.h and locale select.h.
	* select.h (cygwin_select): Declare.
	* uname.cc: Declare cygwin_gethostname.
	* winsup.h: Drop declarations of cygwin_select and cygwin_gethostname.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-12-07 16:28:22 +01:00
Corinna Vinschen 1628bb8995 Only build _strtodg_r on targets supporting a distinct long double type
* libc/stdlib/strtodg.c: Add ifdef to check _HAVE_LONG_DOUBLE and
	_LDBL_EQ_DBL.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-26 10:13:53 +01:00
Steve Ellcey 10677229b9 libc/stdlib/strtorx.c: Fix ifdef to check _LDBL_EQ_DBL. 2015-11-24 13:59:31 -08:00
Marcus Shawcroft 8e62ab4ccc [ARM] Adjust strcmp-armv7.S selection logic.
Reformulate the strcmp-armv7.S selection logic around the architecture
features required by the implementation code rather (some) version of
the architecture that expose those features.
2015-11-23 15:22:26 +00:00
Marcus Shawcroft dc38827570 [ARM] Factor out the thumb2 -Os implementation.
The patch moves the inline ASM thumb2 -Os implementation out into its
own .S file.

Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:

      Architectures:
        armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
        armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
        armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2

      ISAs:
        thumb arm

      Optimization Levels:
        Os O2

      Excluding:
        armv6s-m -mthumb
        armv6-m -mthumb

        armv6zk -mthumb
        armv6z -mthumb
        armv6k -mthumb
        armv6j -mthumb
2015-11-23 15:21:47 +00:00
Corinna Vinschen 666a3482a5 Handle multibyte decimapl point in strtold.
* libc/stdlib/strtodg.c: Define USE_LOCALE.
	(_strtodg_r): Handle multibyte decimal point.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-21 16:40:21 +01:00
Corinna Vinschen fbace81684 Import correctly working strtold from David M. Gay.
* libc/stdlib/Makefile.am (GENERAL_SOURCES): Add strtodg.c and
	strtorx.c.
	* libc/stdlib/Makefile.in: Regenerate.
	* libc/stdlib/strtodg.c: New file implementing generic string to long
	double conversion.
	* libc/stdlib/strtorx.c: New file, implementing IEEE format string to
	long double conversion.
	* libc/stdlib/mprec.h (_strtodg_r): Declare.
	(_strtorx_r): Declare.
	* libc/stdlib/gdtoa.h (__UShort): Define.
	* libc/stdlib/strtold.c (__flt_rounds): Define for i386 and x86_64
	target.
	(FLT_ROUNDS): Define, as 0 on platforms missing a __flt_rounds
	function.
	(_strtold_r): Converted from strtold.  Call _strtorx_r on targets
	supporting distinct long doubles.
	(strtold): Just call _strtold_r.
	* libc/include/stdlib.h (_strtold_r): Declare.
	* libc/stdlib/ldtoa.c (_strtold): Comment out.  Explain why.
	* libc/stdio/vfscanf.c (__SVFSCANF_R): Call _strtold_r instead of
	_strtold.
	* libc/machine/powerpc/vfscanf.c (__svfscanf_r): Ditto.

	* common.din (strtold): Drop redirection to _strtold.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-20 18:14:58 +01:00
Corinna Vinschen 51bf1b81f3 Make match function globally available to stdlib functions.
* libc/stdlib/strtod.c (match): Move from here...
	* libc/stdlib/gdtoa-hexnan.c (match): ...to here.
	* libc/stdlib/mprec.h (match): Declare and add __match define.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-20 18:03:05 +01:00
Corinna Vinschen b5d8a403ec Drop unused declaration from wcstold.c
* libc/stdlib/wcstold.c (_strtold): Drop unused declaration.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-20 17:57:20 +01:00
Yaakov Selkowitz 1c1a925fc4 Fix typo in rpmatch doc reference
* libc/stdlib/stdlib.tex: Fix typo in rpmatch reference.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2015-11-19 15:28:06 -06:00
Corinna Vinschen fcc2dcbb21 ldtoa.c: Reindent to GNU style
* libc/stdlib/ldtoa.c: Convert to GNU style so as not to get crazy
	reading the code.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-19 17:09:58 +01:00
Corinna Vinschen e2802064b2 Fix rpmatch build problem
* libc/stdlib/rpmatch.c: Include sys/types.h to make GCC happy.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-11-19 16:31:08 +01:00
Jon Turney bdc6169381 Simplify the markup for sprintf and swprintf documentation
- move the description of the alternative form produced with the # flag from a
nested table to an additional table

2015-11-12  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdio/sprintf.c: Simplify documentation markup.
	* libc/stdio/swprintf.c: Ditto.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2015-11-19 11:39:52 +00:00
Jon Turney 21e6ba20ae Improve markup of sscanf and swscanf documentation
- use bullet points to separate width, size and type sections, rather than using
rows in an enormous table, for consistency with sprintf and swprintf.

- use code markup for size bullet point for consistency

- use a texinfo multitable for description of the size flags, rather than some
preformatted text

- tidy up some whitespace so type flags are all aligned

2015-11-12  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdio/sscanf.c: Improve documentation markup.
	* libc/stdio/swscanf.c: Ditto.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2015-11-19 11:39:49 +00:00
Yaakov Selkowitz 9a6acafd04 Add rpmatch(3)
2015-11-17  Yaakov Selkowitz  <yselkowi@redhat.com>

* libc/include/stdlib.h (rpmatch): Declare.
* libc/stdlib/Makefile.am (ELIX_4_SOURCES): Add rpmatch.c.
(CHEWOUT_FILES): Add rpmatch.def.
* libc/stdlib/Makefile.in: Regenerate.
* libc/stdlib/rpmatch.c: New file.
* libc/stdlib/stdlib.tex: Add references to rpmatch.
2015-11-17 12:00:20 -06:00
Marcus Shawcroft 9959058932 [ARM] Factor out the thumb1 -Os implementation.
The patch moves the inline ASM thumb1 -O2 implementation out into its
own .S file.

Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:

      Architectures:
        armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
        armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
        armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2

      ISAs:
        thumb arm

      Optimization Levels:
        Os O2

      Excluding:
        armv6s-m -mthumb
        armv6-m -mthumb

        armv6zk -mthumb
        armv6z -mthumb
        armv6k -mthumb
        armv6j -mthumb
2015-11-13 11:54:28 +00:00
Marcus Shawcroft bcd5e8e3f9 [ARM] Adding strlen.S
The patch adds strlen.S to contain the complementary preprocessor
logic to strlen-stub.c intended to provide #inclusion of alternative
.S implementations.

Initially we just include the existing strlen-armv7.S implementation.

We rewrite _ISA_ARMV7 in both strlen.S and strlen-stub.c to use the
underlying existing underlying defintion from arm_asm.h in order to
avoide including that file, this is in effect the first step towards a
move to ACLE predefines only.

Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:

      Architectures:
        armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
        armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
        armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2

      ISAs:
        thumb arm

      Optimization Levels:
        Os O2

      Excluding:
        armv6s-m -mthumb
        armv6-m -mthumb

        armv6zk -mthumb
        armv6z -mthumb
        armv6k -mthumb
        armv6j -mthumb
2015-11-13 11:54:28 +00:00
Marcus Shawcroft 42de6f5085 [ARM] Rename strlen to strlen-stub.c
In order to maintain consistency both within machine/arm and between
machine/arm and machine/aarch64, rename the 'c' stub to -stub.c.

Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:

      Architectures:
        armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
        armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
        armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2

      ISAs:
        thumb arm

      Optimization Levels:
       Os O2

      Excluding:
        armv6s-m -mthumb
        armv6-m -mthumb

        armv6zk -mthumb
        armv6z -mthumb
        armv6k -mthumb
        armv6j -mthumb
2015-11-13 11:54:23 +00:00
Marcus Shawcroft 2c8e31d654 [ARM] Reorganize strlen selection.
Remove automake and autoconf selection of strchr implementation in
favour of conditional compilation in strlen.c.
2015-11-13 11:52:01 +00:00
Marcus Shawcroft 52f5864096 [ARM] Refactor strlen.c #if nesting.
This patch flattens the condition code selection used in strlen in an
attempt to make the guarding condition for each alternative
implementation clearer and to structure the logic in a manner that
makes it easier to maintain complementary logic between the
alternative 'C' and assembler implementations.

Tested by building newlib and comparing libc.a binaries before and
after for all permutations of:

  Architectures:
    armv4 armv4t armv5 armv5t armv5te armv6 armv6j armv6k
    armv6z armv6kz armv6t2 armv6-m armv6s-m armv7 armv7-a
    armv7ve armv7-r armv7-m armv7e-m armv8-a iwmmxt iwmmxt2

  ISAs:
    thumb arm

  Optimization Levels:
    Os O2

  Excluding:
    armv6s-m -mthumb
    armv6-m -mthumb

    armv6zk -mthumb
    armv6z -mthumb
    armv6k -mthumb
    armv6j -mthumb
2015-11-13 11:51:31 +00:00
Anton Kolesov c0a99f0293 Add support for ARC to newlib
newlib/ChangeLog:
2015-11-12  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* configure.host: Add ARC support.
	* libc/include/machine/setjmp.h: Likewise.
	* libc/machine/configure: Likewise.
	* libc/machine/configure.in: Likewise.
	* libc/machine/arc/Makefile.am: Likewise.
	* libc/machine/arc/Makefile.in: Likewise.
	* libc/machine/arc/aclocal.m4: Likewise.
	* libc/machine/arc/asm.h: Likewise.
	* libc/machine/arc/configure: Likewise.
	* libc/machine/arc/configure.in: Likewise.
	* libc/machine/arc/memcmp-bs-norm.S: Likewise.
	* libc/machine/arc/memcmp-stub.c: Likewise.
	* libc/machine/arc/memcmp.S: Likewise.
	* libc/machine/arc/memcpy-archs.S: Likewise.
	* libc/machine/arc/memcpy-bs.S: Likewise.
	* libc/machine/arc/memcpy-stub.c: Likewise.
	* libc/machine/arc/memcpy.S: Likewise.
	* libc/machine/arc/memset-archs.S: Likewise.
	* libc/machine/arc/memset-bs.S: Likewise.
	* libc/machine/arc/memset-stub.c: Likewise.
	* libc/machine/arc/memset.S: Likewise.
	* libc/machine/arc/setjmp.S: Likewise.
	* libc/machine/arc/strchr-bs-norm.S: Likewise.
	* libc/machine/arc/strchr-bs.S: Likewise.
	* libc/machine/arc/strchr-stub.c: Likewise.
	* libc/machine/arc/strchr.S: Likewise.
	* libc/machine/arc/strcmp-archs.S: Likewise.
	* libc/machine/arc/strcmp-stub.c: Likewise.
	* libc/machine/arc/strcmp.S: Likewise.
	* libc/machine/arc/strcpy-bs-arc600.S: Likewise.
	* libc/machine/arc/strcpy-bs.S: Likewise.
	* libc/machine/arc/strcpy-stub.c: Likewise.
	* libc/machine/arc/strcpy.S: Likewise.
	* libc/machine/arc/strlen-bs-norm.S: Likewise.
	* libc/machine/arc/strlen-bs.S: Likewise.
	* libc/machine/arc/strlen-stub.c: Likewise.
	* libc/machine/arc/strlen.S: Likewise.
	* libc/machine/arc/strncpy-bs.S: Likewise.
	* libc/machine/arc/strncpy-stub.c: Likewise.
	* libc/machine/arc/strncpy.S: Likewise.
2015-11-12 14:14:17 +01:00
Anton Kolesov e945a19cb2 Remove obsolete ARC system
ARC architecture specific files has been added ages ago in newlib/libc/sys,
but with invention of libgloss those files should be moved from newlib to
libgloss.

newlib/ChangeLog:
2015-11-12  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* configure.host: Remove ARC system.
	* libc/sys/configure: Likewise.
	* libc/sys/configure.in: Likewise.
	* libc/sys/arc/Makefile.am: Likewise.
	* libc/sys/arc/Makefile.in: Likewise.
	* libc/sys/arc/aclocal.m4: Likewise.
	* libc/sys/arc/configure: Likewise.
	* libc/sys/arc/configure.in: Likewise.
	* libc/sys/arc/crt0.S: Likewise.
	* libc/sys/arc/dummy.S: Likewise.
	* libc/sys/arc/isatty.c: Likewise.
	* libc/sys/arc/mem-layout.c: Likewise.
	* libc/sys/arc/sbrk.c: Likewise.
	* libc/sys/arc/sys/syscall.h: Likewise.
	* libc/sys/arc/syscalls.c: Likewise.
2015-11-12 14:03:05 +01:00
Wilco Dijkstra 3c8636acf6 AArch64: Tune memcpy
* newlib/libc/machine/aarch64/memcpy.S (memcpy):
 	Further tuning for performance.
2015-11-12 13:38:39 +01:00
Joseph Myers e6459123e4 Avoid .eh_frame in ARM newlib.
ARM newlib has various strcmp implementations that use .cfi_*
directives to generate unwind information.

The effect of this is that the generated objects contain .eh_frame
sections.  However, ARM uses its own unwind info format, not
.eh_frame, which is generated by ARM-specific directives, not .cfi_*.
The .eh_frame sections are useless, but also not removed by strip and
may be loaded into memory at runtime.

This patch fixes this by using .cfi_sections .debug_frame (as in
glibc) so that the directives generate .debug_frame instead.
.debug_frame is useful for the debugger, can be removed by strip, and
is not loaded into memory at runtime.

	* libc/machine/arm/strcmp-arm-tiny.S: Use .cfi_sections
	.debug_frame.
	* libc/machine/arm/strcmp-armv4.S: Likewise.
	* libc/machine/arm/strcmp-armv4t.S: Likewise.
	* libc/machine/arm/strcmp-armv6.S: Likewise.
	* libc/machine/arm/strcmp-armv6m.S: Likewise.
	* libc/machine/arm/strcmp-armv7.S: Likewise.
	* libc/machine/arm/strcmp-armv7m.S: Likewise.
2015-11-12 12:09:24 +00:00
Marcus Shawcroft d18f1fc8a3 Reorganize memchr selection.
The patch cleans up the auto configury mechanism used to select
different implementations of memchr for various architecture versions.

The approach here is to remove the selection of memchr within automake
and instead use complimentary logic in memchr-stub.c and memchr.S to
choose between the gerneric memchr.c implementation or one of the
architecture specific implementations.

This patch also changes the selection criteria inline with the
previous proposal here:

https://sourceware.org/ml/newlib/2015/msg00752.html

but using the ACLE predefines.

Regressed for armv7-a armv5 armv8-a, correct selection of memcpy
implementation by manual inspection of a test program built for these
three architectures.
2015-11-06 16:11:32 +00:00
Marcus Shawcroft 72be1dead4 Reorganize memcpy selection.
This patch cleans up the auto configury mechanism used to select
different implementations of memcpy for various architecture versions.

The approach here is to remove the selection of memcpy within automake
and instead use complimentary logic in memcpy-stub.c and memcpy.S to
choose between the generic memcpy.c implemenation or one of the
architecture specific memcpy*.S implemenations.

Regressed for armv7-a armv5 armv8-a, correct selection of memcpy
implementation by manual inspection of a test program built for these
three architectures.

This revised patch flips the remaining preprocessor logic in
memcpy-stub.c to use ACLE defines as requested in the previous review
and removes the now disused HAVE_ARMV7A and HAVE_ARMV8A configure.in
support.
2015-11-06 15:40:31 +00:00
Olivier Martin cdb1ebe107 Replace __attribute((__warning__())) by __attribute__((deprecated()))
Clang raises the warning message:
warning: unknown attribute '__warning__' ignored [-Wunknown-attributes]

	* libc/include/stdlib.h (mktemp): Change attribute to deprecated.
	(_mktemp_r): Ditto.

Signed-off-by: Olivier Martin <olivier@labapart.com>
2015-11-06 11:29:58 +01:00
Marcus Shawcroft 0a4019eed2 [ARM] Select appropriate memcpy implementation for ARMv8-a.
The newlib configury logic that detects architecture version and
chooses an appropriate memcpy implementation does not consider
ARMv8-a.

This patch adds configury logic to detect ARMv8-a along with the
associated changes in Makefile.am and memcpy.
2015-11-03 11:04:55 +00:00
Jeff Johnston 0631279394 Move duplicated documentation rules to Makefile.shared
- Also, harmonize libm to use CHEWOUT_FILES like libc, rather than chobj.
  Update documentation appropriately.

        * HOWTO: Update.
        * Makefile.shared: Move documentation rules to here...
        * libc/argz/Makefile.am: ... from here ...
        * libc/ctype/Makefile.am: ... and here.
        * libc/errno/Makefile.am: Ditto.
        * libc/iconv/Makefile.am: Ditto.
        * libc/iconv/ccs/Makefile.am : Ditto.
        * libc/iconv/ces/Makefile.am: Ditto.
        * libc/iconv/lib/Makefile.am: Ditto.
        * libc/locale/Makefile.am: Ditto.
        * libc/misc/Makefile.am: Ditto.
        * libc/posix/Makefile.am: Ditto.
        * libc/reent/Makefile.am: Ditto.
        * libc/search/Makefile.am: Ditto.
        * libc/stdio/Makefile.am: Ditto.
        * libc/stdio64/Makefile.am: Ditto.
        * libc/stdlib/Makefile.am : Ditto.
        * libc/string/Makefile.am: Ditto.
        * libc/syscalls/Makefile.am: Ditto.
        * libc/time/Makefile.am : Ditto.
        * libc/unix/Makefile.am: Ditto.
        * libc/xdr/Makefile.am: Ditto.
        * libm/common/Makefile.am: Ditto.
        * libm/complex/Makefile.am: Ditto.
        * libm/math/Makefile.am: Ditto.
        * libm/mathfp/Makefile.am: Ditto.
2015-11-02 18:02:39 -05:00
Jeff Johnston 53617ce4e6 Consistently use an em-dash in math functions.
- also move previous ChangeLog entry to newlib instead of top-level

        * libc/time/wcsftime.c: Consistently use an em-dash in FUNCTION
summary.
        * libm/common/isgreater.c: Ditto.
        * libm/common/s_fdim.c: Ditto.
        * libm/common/s_fma.c: Ditto.
        * libm/common/s_fmax.c: Ditto.
        * libm/common/s_fmin.c: Ditto.
        * libm/common/s_infinity.c: Ditto.
        * libm/common/s_isnan.c: Ditto.
        * libm/common/s_log2.c: Ditto.
        * libm/common/s_logb.c: Ditto.
        * libm/common/s_lrint.c: Ditto.
        * libm/common/s_lround.c: Ditto.
        * libm/common/s_nearbyint.c: Ditto.
        * libm/common/s_remquo.c: Ditto.
        * libm/common/s_rint.c: Ditto.
        * libm/common/s_round.c: Ditto.
        * libm/common/s_scalbn.c: Ditto.
        * libm/common/s_signbit.c: Ditto.
        * libm/common/s_trunc.c: Ditto.
        * libm/math/w_exp2.c: Ditto.
        * libm/math/w_gamma.c: Ditto.
2015-11-02 16:43:22 -05:00
Jeff Johnston 72e18faf62 Add missing semicolons to prototypes.
* libc/stdio/fseek.c: Add missing semicolons to prototypes in
        SYNOPSIS.
        * libc/stdio/fwide.c: Ditto.
        * libc/stdio64/fseeko64.c: Ditto.
        * libc/string/strtok.c: Ditto.
        * libc/string/wcstok.c: Ditto.
        * libm/math/w_cosh.c: Ditto.
        * libm/math/w_fmod.c:  Ditto.
        * libm/mathfp/s_cosh.c: Ditto.
        * libm/mathfp/s_fmod.c: Ditto.
2015-11-02 16:34:49 -05:00
Steve Ellcey 5045532322 Improve performance of MIPS memcpy.
* libc/machine/mips/memcpy.S (memcpy): Add word copies for small
	aligned data.
2015-11-02 13:30:19 -08:00
Sebastian Huber ce8159d5ce Include <sched.h> in <pthread.h>
This is mandated by POSIX.

2015-10-30  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	libc/include/pthread.h: Include <sched.h> instead of
	<sys/sched.h>.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-10-30 20:28:00 +01:00
Brian Inglis 6090952296 strftime: Add support for %s (seconds since epoch)
* libc/time/strftime.c (__strftime): add support for %s (seconds from
	Unix epoch).  Fix whitespaces.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-10-27 09:41:40 +01:00
Nick Clifton c3b6da1781 Extend _intsup.h to support 16-bit and 20-bit pointers.
* libc/include/sys/_intsup.h: Add support for 16-bit and 20-bit
	pointers.
2015-10-19 14:48:30 +01:00
Sebastian Huber f86afe5a3a C11 aligned_alloc() implementation
aligned_alloc() is implemented in terms of posix_memalign() which is
only declared in <stdlib.h> but not defined in Newlib in general.  At
least Linux and RTEMS implement this function.

newlib/ChangeLog
2015-10-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/stdlib/Makefile.am (GENERAL_SOURCES): Add
	alloc_aligned.c.c.
	* libc/stdlib/Makefile.in: Regenerate.
	* libc/stdlib/aligned_alloc.c: New.
2015-10-19 14:10:33 +02:00
Sebastian Huber da60762bfe C11 aligned_alloc() support for <stdlib.h>
newlib/ChangeLog
2015-10-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/include/stdlib.h (alloc_aligned): Declare.
2015-10-19 14:10:09 +02:00
Sebastian Huber d67f71ab85 C11 quick_exit() support for <stdlib.h>
Import some <stdlib.h> function declarations from latest FreeBSD and
implement them.  I am not sure if we should call the global reent
cleanup in quick_exit() similar to exit().

newlib/ChangeLog
2015-10-14  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/include/stdlib.h (at_quick_exit): Declare.
	(quick_exit): Likewise.
	* libc/stdlib/Makefile.am (GENERAL_SOURCES): Add
	quick_exit.c.
	* libc/stdlib/Makefile.in: Regenerate.
	* libc/stdlib/quick_exit.c: New.
2015-10-19 14:09:17 +02:00
Jeff Johnston c98d01ee0c Import <threads.h> from latest FreeBSD.
- Move types and defines to
  <machine/_threads.h> so that it can be customized per target.

	* libc/include/threads.h: New.
	* libc/sys/rtems/include/machine/_threads.h: Likewise.
2015-10-13 17:52:34 -04:00
Jeff Johnston ecee0b0607 Synchronize with FreeBSD.
* libc/include/sys/cdefs.h: Synchronize with latest FreeBSD
        version.
2015-10-13 17:50:30 -04:00
Jeff Johnston 443467d752 Add FreeBSD style changes to sys/cdefs.h
* libc/include/sys/cdefs.h: Add style changes of latest FreeBSD
        version.
2015-10-13 17:46:47 -04:00
Nick Clifton e6430c9e8c Define setjmp buffer length for IA64. 2015-10-08 15:46:34 +01:00
Jeff Johnston 948b5f0043 Add support for ft32 to newlib. 2015-09-04 14:37:37 -04:00
Hans-Peter Nilsson 82d7069a5e libc/machine/cris/sys/signal.h (kill): Declare. 2015-09-03 01:59:43 +02:00
Corinna Vinschen 38fd7ddb79 Allow sysconf to return CPU cache information
* include/sys/unistd.h (_SC_LEVEL*): Add cache-related variables as
        on Linux.

        * fhandler_proc.cc (format_proc_cpuinfo): Fetch cache information
        from new cache functions in sysconf.cc, get_cpu_cache_intel and
        get_cpu_cache_amd.
        * sysconf.cc (__nt_query_system): New local helper.
        (get_nproc_values): Utilize __nt_query_system on pre-Windows 7 systems.
        Use GetLogicalProcessorInformationEx otherwise to handle more than
        64 CPUs.  Only handle _SC_NPROCESSORS_CONF and _SC_NPROCESSORS_ONLN.
        (get_phys_pages): New helper to handle _SC_PHYS_PAGES.
        (cpuid2_cache_descriptor): New array to map Intel CPUID 2 descriptor
        values to cache type, cache size, associativity and linesize.
        (cpuid2_cache_desc_compar): Comparision function for bsearch over
        cpuid2_cache_descriptor.
        (get_cpu_cache_intel_cpuid2): New function to fetch cache info from
        Intel CPUID 2.
        (get_cpu_cache_intel_cpuid4): Ditto from Intel CPUID 4.
        (get_cpu_cache_intel): New function as CPU-specific entry point.
        (assoc): New array to map associativity values from AMD CPUID
        0x80000006.
        (get_cpu_cache_amd): New function to fetch cache info from AMD CPUIDs
        0x80000005 and 0x80000006.
        (get_cpu_cache): New function to fetch cache info.
        (sca): Call get_phys_pages if _SC_PHYS_PAGES is requested.  Call
        get_cpu_cache for new _SC_* cache requests.
        (SC_MAX): Set to _SC_LEVEL4_CACHE_LINESIZE.
        (get_phys_pages(void)): Call get_phys_pages(int).
        * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

        * new-features.xml (ov-new2.3): Document sysconf cache addition.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-08-29 09:16:47 +02:00
Corinna Vinschen e6d9af11f1 strlen-armv7.S: Fix preprocessor check
Hi!

I've got the situation, that the function strlen() occurs twice in libc.a
(building newlib for ARM-V7a and Size-Optimized).

In newlib/libc/machine/arm/strlen.c there are the pre-processor stetements ...
#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) || \
  (defined (__thumb__) && !defined (__thumb2__))
/*...*/
#else

#if !(defined(_ISA_ARM_7) || defined(__ARM_ARCH_6T2__))
/*...*/
#endif

and in newlib/libc/machine/arm/strlen-armv7.S the "exclude" begins with

/* NOTE: This ifdef MUST match the ones in arm/strlen.c
   We fallback to the one in arm/strlen.c for size optimised or
   for older architectures. */
#if defined(_ISA_ARM_7) || defined(__ARM_ARCH_6T2__) && \
    !(defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) || \
      (defined (__thumb__) && !defined (__thumb2__)))

But this is not completely contrary to arm/strlen.c (see above)!

To fix the logical statement in arm/strlen-armv7.S there are parentheses needed

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-08-27 12:55:22 +02:00
Andre Simoes Dias Vieira 892cfcb7c2 Fix for pri and scn formats 2015-08-27 12:50:25 +02:00
James Greenhalgh 4eca8ea0cf Always declare "kill" in include/sys/signal.h
Hi,

As I mentioned recently [1], newlib is providing a "kill" symbol to link
against, without declaring "kill" in signal.h. This is confusing for the
libgfortran build, which tries to link against kill (which succeeds), then
tries to use it (which triggers -Werror=implicit-function-declaration).

This patch implements my suggestion in that thread - making the declaration
of 'kill' in libc/include/sys/signal.h unconditional.

I've tested this by building a modified libgfortran on AArch64/ARM to see
that the Werror goes away, and the libgfortran build succeeds.

Is something like this OK for newlib? If so, can someone please commit
it on my behalf, as I have no commit access here.

Otherwise, what is your preferred direction for me to take this patch?

Thanks,
James
2015-08-25 16:17:14 +02:00
Andre Vieira 9303de77d9 Add MIN MAX macro to param header file.
newlib/ChangeLog:
2015-07-28  Andre Vieira  <andre.simoesdiasvieira@arm.com>

   * libc/sys/arm/sys/param.h (MIN,MAX): Define.

From 536ca7365d269f5e56679048e336d6969186d550 Mon Sep 17 00:00:00 2001
From: Andre Simoes Dias Vieira <andsim01@arm.com>
Date: Tue, 28 Jul 2015 14:19:08 +0100
Subject: [PATCH] Added min max macros
2015-08-20 10:52:34 +02:00
Andre Vieira a732159809 Use machine header file for endianness configuration.
newlib/ChangeLog:
2015-07-28  Andre Vieira  <andre.simoesdiasvieira@arm.com>

   * libc/sys/arm/sys/param.h (BIG_ENDIAN, LITTLE_ENDIAN): Moved
   to machine/endian.h.
   * libc/machine/arm/machine/param.h (BYTE_ORDER): Idem.
   * libc/machine/arm/machine/endian.h: New.

From ca6efccda91bc6b620b7d96a466b0f1e2f02cfeb Mon Sep 17 00:00:00 2001
From: Andre Simoes Dias Vieira <andsim01@arm.com>
Date: Tue, 28 Jul 2015 12:16:20 +0100
Subject: [PATCH 2/2] Move endianness configuration to machine/endian.h
2015-08-20 10:52:34 +02:00
Andre Vieira 573532df7f Use machine header file for param configuration.
On 31/07/15 10:34, Richard Earnshaw wrote:
> On 31/07/15 10:28, Andre Vieira wrote:
>> newlib/ChangeLog:
>> 2015-07-28  Andre Vieira  <andre.simoesdiasvieira@arm.com>
>>
>>    * libc/sys/arm/sys/param.h: Include machine/param.h
>>    (HZ, NOFILE, PATHSIZE): Define.
>>
>> param_refactor_1.patch
>>
>>
>>  From abc2d5f3398721f6ca891b9581feaba58730b19c Mon Sep 17 00:00:00 2001
>> From: Andre Simoes Dias Vieira <andsim01@arm.com>
>> Date: Tue, 28 Jul 2015 12:10:59 +0100
>> Subject: [PATCH 1/2] Moved param configuration to machine/param.h
>>
>> ---
>>   newlib/libc/sys/arm/sys/param.h | 12 ++++++++++--
>>   1 file changed, 10 insertions(+), 2 deletions(-)
>>
>> diff --git a/newlib/libc/sys/arm/sys/param.h b/newlib/libc/sys/arm/sys/param.h
>> index adc066e9a8756e07edaaa8cadc79b5f05c996ac9..622c371972ab3c9dbb93ea5c51323a593e2a171a 100644
>> --- a/newlib/libc/sys/arm/sys/param.h
>> +++ b/newlib/libc/sys/arm/sys/param.h
>> @@ -3,9 +3,17 @@
>>   #ifndef _SYS_PARAM_H
>>   # define _SYS_PARAM_H
>>
>> -# define HZ (100)
>> -# define NOFILE	(60)
>> +#include <machine/param.h>
>> +
>> +#ifndef HZ
>> +# define HZ (60)
>
> Why have you changed the value for HZ?  It seems that, by convention,
> ARM boards have always used 100.
>
> R.
>
>> +#endif
>> +#ifndef NOFILE
>> +# define NOFILE>(60)
>> +#endif
>> +#ifndef PATHSIZE
>>   # define PATHSIZE (1024)
>> +#endif
>>
>>   #define BIG_ENDIAN      4321
>>   #define LITTLE_ENDIAN   1234
>>
>
Hi Richard,

ARM's machine/param.h that is included in "#include <machine/param.h>",
before the 'ifndef' already defines HZ to be 100. This file was already
there, it was just not being used. I understand that this 'ifndef' might
be confusing, though I decided to add it to mimic the behavior of the
default sys/param.h.

There is however an unrelated issue with this patch, a typo in the
"#define NOFILE" that crept in there due to some copy pasting when
splitting the patch.

Here is a fixed version.

BR,
Andre

newlib/ChangeLog:
2015-07-28  Andre Vieira  <andre.simoesdiasvieira@arm.com>

   * libc/sys/arm/sys/param.h: Include machine/param.h
   (HZ, NOFILE, PATHSIZE): Define.

From abc2d5f3398721f6ca891b9581feaba58730b19c Mon Sep 17 00:00:00 2001
From: Andre Simoes Dias Vieira <andsim01@arm.com>
Date: Tue, 28 Jul 2015 12:10:59 +0100
Subject: [PATCH 1/2] Moved param configuration to machine/param.h
2015-08-20 10:52:34 +02:00
Yaakov Selkowitz 9f3100c958 sys/signal.h: include sys/ucontext.h on Cygwin per POSIX.1-2008
* libc/include/sys/signal.h [__CYGWIN__]: include <sys/ucontext.h>
if compiling for POSIX.1-2008.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2015-08-18 11:05:41 +02:00
Jeff Johnston 4098f69c43 or1k: Fix critical handling in malloc locks
Only on first call to the recursive malloc lock the restore value of
    exception enable fields is stored.

    	  * libc/sys/or1k/mlock.c: Fix exception enable saving
2015-08-07 15:01:58 -04:00
Shoichi Sakon 001ef5af39 Fix wscanf family positional parameter handling in %lc, %ls, %l[]
* libc/stdio/vfwscanf.c (__SVFWSCANF_R): Convert wrong usage of va_arg
        to GET_ARG in %lc, %ls nad %l[] cases.  Fix unterminated string in %l[]
        case.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-08-03 21:51:35 +02:00
Jon TURNEY 6fc911071f Don't include stdio64 functions in reentrant syscalls menu when not bulding stdio64.
Fix documentation build since 6c2b1842 by not including stdio64 functions in the
reent syscalls menu if the node itself isn't going to be included because it's
under the STDIO64 flag.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-08-03 09:54:33 +01:00
Sebastian Huber b7ca25162a Fix typo in <sys/lock.h>
Sorry, there was a typo in <sys/lock.h> which leads to memory corruption
since not enough space is reserved for the lock object.

newlib/ChangeLog
2015-07-30  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/sys/rtems/include/sys/lock.h (__LOCK_INIT_RECURSIVE): Use
	proper type.
2015-07-31 06:21:04 -07:00
Wilco Dijkstra 127c38bd44 [AArch64] Rewrite optimized memset.
This is an optimized memset for AArch64.  Memset is split into 4 main
cases: small sets of up to 16 bytes, medium of 16..96 bytes which are
fully unrolled.  Large memsets of more than 96 bytes align the
destination and use an unrolled loop processing 64 bytes per
iteration.  Memsets of zero of more than 256 use the dc zva
instruction, and there are faster versions for the common ZVA sizes 64
or 128.  STP of Q registers is used to reduce codesize without loss of
performance.
2015-07-30 12:51:34 +01:00
Sebastian Huber f04e46b141 Move header files
During libgcc build the first include search path for <...> is
"../newlib/libc/sys/rtems/include".  Move all RTEMS specific header
files to "libc/sys/rtems/include" so that they can be found.  Later
during libc build the header files in the previous location were somehow
present, but for libgcc build they were invisible.  This change is
necessary to use <pthread.h> for the GCC thread model implementation.

newlib/ChangeLog
2015-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	libc/sys/rtems/machine/_types.h: Move to ...
	libc/sys/rtems/include/machine/_types.h: ... here.
	libc/sys/rtems/machine/limits.h: Move to ...
	libc/sys/rtems/include/machine/limits.h: ... here.
	libc/sys/rtems/machine/param.h: Move to ...
	libc/sys/rtems/include/machine/param.h: ... here.
	libc/sys/rtems/sys/cpuset.h: Move to ...
	libc/sys/rtems/include/sys/cpuset.h: ... here.
	libc/sys/rtems/sys/dirent.h: Move to ...
	libc/sys/rtems/include/sys/dirent.h: ... here.
	libc/sys/rtems/sys/param.h: Move to ...
	libc/sys/rtems/include/sys/param.h: ... here.
	libc/sys/rtems/sys/syslimits.h: Move to ...
	libc/sys/rtems/include/sys/syslimits.h: ... here.
	libc/sys/rtems/sys/utime.h: Move to ...
	libc/sys/rtems/include/sys/utime.h: ... here.
2015-07-29 12:53:53 -07:00
Sebastian Huber ecaef05f66 Add <sys/lock.h>
Provide self-contained synchronization objects for RTEMS.  The API was
designed to be able to use it for the Newlib internal locks, the C11
threads support, the GCC thread model support and the libgomp operating
system configuration in combination with <pthread.h>.

References:

https://lists.rtems.org/pipermail/devel/2015-July/011989.html
https://lists.rtems.org/pipermail/devel/2015-July/012000.html

Tickets:

https://devel.rtems.org/ticket/1247
https://devel.rtems.org/ticket/2274.

v2: Fix typo in _Condition_Wait_recursive_timed() declaration.

newlib/ChangeLog
2015-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* libc/sys/rtems/include/sys/lock.h: New.
2015-07-29 11:30:05 -07:00
Jon TURNEY 556a3ef544 Remove a stray sentence fragment in iconv.tex
I can't work out any meaning for this random sentence fragment, so remove it.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:09 +01:00
Jon TURNEY fde9684b52 Fix a typo in iconv.tex
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:07 +01:00
Jon TURNEY fdb73a8e43 Fix SYNPOSIS prototypes for iconv functions
Terminate all protoypes with a semicolon.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:05 +01:00
Jon TURNEY 6c2b184277 Use makedoc generated texinfo documentation for reentrant syscalls
We use texinfo nodes beginning with an underscore in several other places, so
revert this ancient workaround for a no longer existing bug, and use the makedoc
generated texinfo for reentrant versions of syscalls, rather than handwritten
documentation.

Also alphabetically sort these functions.

Also add documentation for _execve_r, _getpid_r, _kill_r and _times_r functions,
whose non-reentrant versions are documented as stubs

v2:
Keep _open64_r, _lseek64_r and _fstat64_r functions under texinfo conditional STDIO64
Add _stat64_r function likewise.

Notes:

1. The handwritten prototypes give the reentrancy structure pointer as of type
void *, rather than the presumably more correct struct __reent *

2. The fcntl, gettimeofday, mkdir and rename functions are not documented as
stubs, so I haven't added the reentrant versions either

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:03 +01:00
Jon TURNEY 1c19a13fd1 Add missing NEWPAGE commands to makedoc markup in reent/
makedoc requires a NEWPAGE command to preceed the second and subsequent FUNCTION
commands in a file in order to produce the correct texinfo output.

Add missing NEWPAGE commands needed in reent/execr.c. and reent/signalr.c, which
contain makedoc markup for multiple functions.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:00 +01:00
Corinna Vinschen 7c96ab0b43 Cygwin: Implement siglongjmp and sigsetjmp functions.
* libc/include/machine/setjmp.h (siglongjmp): Declare as function on
	Cygwin.
	(sigsetjmp): Ditto.
	(_longjmp): Mark as noreturn function on Cygwin.

	* common.din (siglongjmp): Export.
	(sigsetjmp): Export.
	* gendef: Change formatting of some comments.
	(sigsetjmp): Implement.
	(siglongjmp): Implement.
	(__setjmpex): x86_64 only: Drop entry point.
	(setjmp): x86_64 only: Store tls stackptr in Frame now, store MXCSR
	and FPUCW registers in Spare, as MSVCRT does.
	(longjmp): x86_64 only: Restore tls stackptr from Frame now, restore
	MXCSR and FPUCW registers from Spare.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

	* new-features.xml (ov-new2.2): Document sigsetjmp, siglongjmp.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-07-21 17:31:02 +02:00
Marcus Shawcroft c7806ef76a [AArch64] Reverting recent optimized memset(). 2015-07-15 13:34:58 +01:00
Wilco Dijkstra 3263f90ef7 [AArch64] Optimized memset.
This is an optimized memset for AArch64.  Memset is split into 4 main
cases: small sets of up to 16 bytes, medium of 16..96 bytes which are
fully unrolled.  Large memsets of more than 96 bytes align the
destination and use an unrolled loop processing 64 bytes per
iteration.  Memsets of zero of more than 256 use the dc zva
instruction, and there are faster versions for the common ZVA sizes 64
or 128.  STP of Q registers is used to reduce codesize without loss of
performance.
2015-07-13 13:17:16 +01:00
Wilco Dijkstra b295f6ba44 [AArch64] Optimized memcpy.
This is an optimized memcpy for AArch64.  Copies are split into 3 main
cases: small copies of up to 16 bytes, medium copies of 17..96 bytes
which are fully unrolled.  Large copies of more than 96 bytes align
the destination and use an unrolled loop processing 64 bytes per
iteration.  In order to share code with memmove, small and medium
copies read all data before writing, allowing any kind of overlap.  On
a random copy test memcpy is 40.8% faster on A57 and 28.4% on A53.
2015-07-13 13:09:02 +01:00
Wilco Dijkstra 9503c7f275 [AArch64] Optimized memmove.
This is an optimized memmove for AArch64.  All copies of up to 96
bytes and all backward copies are done by the new memcpy.  The only
remaining case is large forward copies which are done in the same way
as the memcpy loop, but copying from the end rather than the start.
2015-07-13 13:03:02 +01:00
Yaakov Selkowitz 79e419de62 Rework handling of basename variants
As a commonly-included header, the #define basename in <string.h> can
affect code which uses "basename" for its own purposes (e.g. struct
members or C++ namespaced functions).  When such cases occur and some
code includes <string.h> and some not, then errors result.  OTOH,
<libgen.h> is rarely used, and that's where the renaming occurs in
glibc, so code using <libgen.h> should already be safe.

* libc/include/libgen.h (basename): Define as __xpg_basename
for source compatibility with glibc.
Declare with __ASMNAME("basename") for ABI compatibility.
* libc/include/string.h (basename): Define as basename for
source compatibility with glibc.
Declare with __ASMNAME("__gnu_basename") for ABI compatibility.
2015-07-06 14:58:51 -05:00
Corinna Vinschen f9b87aaf10 Fix sys/time.h build problem due to inconsistent macro usage
https://sourceware.org/ml/newlib/2015/msg00520.html describes
	how sys/time.h uses __BSD_VISIBLE while the types used in the
	affected inline functions are guarded with !_POSIX_SOURCE.
	Fix that by guarding the type with __BSD_VISIBLE as well.

        * libc/include/sys/time.h: Explicitely include sys/cdefs.h.
        * libc/include/sys/types.h: Ditto.  Guard BSD convenience base types
        with __BSD_VISIBLE rather than !_POSIX_SOURCE.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-07-06 14:08:30 +02:00
Sebastian Huber 757c0871f7 Prevent use of uninitialized file lock
The CHECK_INIT() is necessary before the _newlib_flockfile_start() since
this would use otherwise acquire an uninitialized lock which gets
initialized after this leading to a corrupt release.

newlib/ChangeLog
2015-07-01  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	libc/stdio/fputs.c (_puts_r): Add missing CHECK_INIT().
	libc/stdio/gets.c (_gets_r): Add missing _REENT_SMALL_CHECK_INIT() and
	CHECK_INIT().  Use _stdin_r() to get the file pointer instead of stdin.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-07-02 09:38:06 +02:00
Jon TURNEY 166d86c9d4 Regenerate Makefile.in
Regenerate Makefile.in with changes in commits 153385d8 and 433aad91

2015-06-29  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/ctype/Makefile.in: Regenerate.
	* libc/posix/Makefile.in: Ditto.
	* libc/stdio/Makefile.in: Ditto.
	* libc/stdio64/Makefile.in: Ditto.
	* libc/stdlib/Makefile.in: Ditto.
	* libc/string/Makefile.in: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-29 12:29:50 +01:00
Jon TURNEY 153385d847 Use source files which have makedoc markup, but aren't processed or included.
These source files have makedoc markup, but aren't listed to be chewed by
makedoc. I am assuming that is accidental.

Future work: Note that stdio/fseeko.c, stdio/ftello.c and common/s_isnand.c have
makedoc markup, but duplicate stdio/fseek.c, stdio/ftell.c and common/s_isnan.c
respectively.

2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/ctype/Makefile.am (CHEWOUT_FILES): Add isblank.def.
	* libc/ctype/ctype.tex: Include isblank and add to menu.
	* libc/posix/Makefile.am (CHEWOUT_FILES): Add posix_spawn.def.
	* libc/posix/posix.tex: Include posix_spawn and add to menu.
	* libc/stdio64/Makefile.am (CHEWOUT_FILES): Add fdopen.def.
	* libc/stdio64/stdio64.tex: Include fdopen64 and add to menu.
	* libc/stdio64/fdopen64.c: Improve one-line description.
	* libc/string/Makefile.am (CHEWOUT_FILES): Add strchrnul.def.
	* libc/string/strings.tex: Include strchrnul and add to menu.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-24 12:24:01 +01:00
Jon TURNEY a4dd7dd87c Use makedoc output files which are generated but aren't included
I think these are accidental omissions, as these source files are listed to be
chewed by makedoc, but the result is not included by any texinfo source file.

Future work: Nothing in libc/reent/ which is processed by makedoc is included by
reent.tex

2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdlib/stdlib.tex: Include itoa and utoa, and add to menu.
	* libc/string/strings.tex: Include memrchr and rawmemchr, and add
	to menu.
	* libm/math/math.tex: Include exp10 and pow10, and add to menu.
	* libm/common/s_exp10.c: Improve one-line description.
	* libm/common/s_exp10.c: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-24 12:23:55 +01:00
Jon TURNEY 433aad912d Don't chew files which contain no documentation markup
Don't chew files which contain no documentation markup.

Neither of the alternatives for MALLOCR (mallocr.c or nano-mallocr.c) contain
any documentation markup.

2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdlib/Makefile.am (CHEWOUT_FILES): Remove $(MALLOCR).def.
	* libc/stdio/Makefile.am (CHEWOUT_FILES): Remove getwc.def and
	putwc.def.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-24 12:23:49 +01:00
Jon TURNEY 958c953416 Fix mismatched parentheses in documentation.
2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/locale/locale.c: Fix mismatched parentheses in
	documentation.
	* libc/locale/locale.tex: Ditto.
	* libc/stdio/fgetwc.c: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-24 12:23:25 +01:00