| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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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>
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Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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Terminate all protoypes with a semicolon.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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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>
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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>
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* 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>
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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.
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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.
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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.
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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.
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Fix typo-ed function names in efgcvt.c documentation, neither gvcvt nor gdvtf
exists.
2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/stdlib/efgcvt.c: Fix typo-ed function names in
documentation.
* libc/stdlib/stdlib.tex: Fix function name in menu to match.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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Fix an inconsistent use of '.' to separate function names in FUNCTION. ',' is
used everywhere else.
2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/stdio/fread.c: Fix inconsistent use of '.' to separate
function names in FUNCTION mark up.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/stdlib/llabs.c: Mark up parameter name in ANSI_SYNOPSIS.
* libc/time/tzset.c: Add and mark up parameter in SYNOPSIS.
* libm/common/s_nan.c: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/stdio/getchar_u.c: Fix a non-ANSI prototype in SYNOPSIS.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/string/wcscpy.c: Remove stray ',' from prototype in
ANSI_SYNOPSIS.
* libc/string/wcpcpy.c: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/stdlib/itoa.c: Fix makedoc markup.
* libc/stdlib/wcsnrtombs.c: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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2015-06-23 Jon Turney <jon.turney@dronecode.org.uk>
* libc/signal/signal.tex: Use texinfo not makedoc markup.
* libc/stdio/stdio.tex: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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* libc/include/sys/signal.h: Include forgotten sys/cdefs.h.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/signal.h: Move altstack macros completely
outside of rtems block.
* include/cygwin/signal.h: Remove definitions of MINSIGSTKSZ
and SIGSTKSZ here.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/signal.h: Define SS_ONSTACK and SS_DISABLE
unconditionally.
(sigaltstack): Enable prototype on Cygwin.
* common.din (sigaltstack): Export.
* cygtls.cc (_cygtls::init_thread): Initialize altstack.
* cygtls.h (__tlsstack_t): Rename from __stack_t to distinguish
more clearly from stack_t. Accommodate throughout.
(_cygtls): Add altstack member.
* exceptions.cc (exception::handle): Set SIGSEGV handler to SIG_DFL
if we encounter a stack overflow, and no alternate stack has been
defined.
* include/cygwin/signal.h (MINSIGSTKSZ): Define
(SIGSTKSZ): Define.
(SA_ONSTACK): Define.
* signal.cc (sigaltstack): New function.
* tlsoffset.h: Regenerate.
* tlsoffset64.h: Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/time/gmtime_r.c (gmtime_r): use faster algorithm from
civil_from_days() by Howard Hinnant
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/machine/arm/aeabi_memmove-arm.S (__aeabi_memmove): Update the
assembler implementation.
* libc/machine/arm/aeabi_memmove-thumb.S (__aeabi_memmove): Ditto.
* libc/machine/arm/aeabi_memmove-thumb2.S (__aeabi_memmove): Ditto.
* libc/machine/arm/aeabi_memset-arm.S (__aeabi_memset): Ditto.
* libc/machine/arm/aeabi_memset-thumb.S (__aeabi_memset): Ditto.
* libc/machine/arm/aeabi_memset-thumb2.S (__aeabi_memset): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/argz/argz_replace.c (argz_replace): Correct behaviour when memory
is exhausted.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/time.h: Include sys/select.h on Cygwin. Explain why.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/config.h: Move evaluation of _UINTPTR_EQ_ULONG and
_UINTPTR_EQ_ULONGLONG from here...
* libc/include/sys/_intsup.h: ...to here. Rename to _INTPTR_EQ_LONG
and _INTPTR_EQ_LONGLONG to refer to signed base type. Add test for
base type of int32_t and set _INT32_EQ_LONG accordingly.
* libc/include/stdint.h: Change checks for __have_long32 to checks
for _INT32_EQ_LONG.
* libc/include/inttypes.h: Ditto. Accommodate aforementioned name
change.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/libgen.h (basename): Drop defining _BASENAME_DEFINED.
Always define macro basename. Add comment to explain why.
* libc/include/string.h (basename): Check for basename instead of
_BASENAME_DEFINED. Drop __GNUC__ branch, always use basename macro.
Change comment to explain why. Add nonnull function attribute.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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__RX_DISALLOW_STRING_INSNS__ is defined.
* rx/crt0.S (_start): If string instructions are not allowed,
avoid using SMOVF.
* libc/machine/rx/memchr.S: Add non-string insn using version.
* libc/machine/rx/memcpy.S: Likewise.
* libc/machine/rx/memmove.S: Likewise.
* libc/machine/rx/mempcpy.S: Likewise.
* libc/machine/rx/strcat.S: Likewise.
* libc/machine/rx/strcmp.S: Likewise.
* libc/machine/rx/strcpy.S: Likewise.
* libc/machine/rx/strlen.S: Likewise.
* libc/machine/rx/strncat.S: Likewise.
* libc/machine/rx/strncmp.S: Likewise.
* libc/machine/rx/strncpy.S: Likewise.
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* libc/include/stdint.h: Throughout add parens around MIN/MAX values.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/_stdint.h: New file.
* libc/include/stdint.h (int8_t): Move to <sys/_stdint.h>.
(uint8_t): Likewise.
(int16_t): Likewise.
(uint16_t): Likewise.
(int32_t): Likewise.
(uint32_t): Likewise.
(int64_t): Likewise.
(uint64_t): Likewise.
(intptr_t): Likewise.
(uintptr_t): Likewise.
* libc/include/sys/types.h: Include <sys/_stdint.h>.
* libc/sys/rtems/machine/_types.h: Remove <stdint.h> include.
* libc/sys/time.h>: Replace __uint32_t with uint32_t and
__uint64_t with uint64_t.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/include/sys/signal.h (stack_t): Make typedef generally
available.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
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* libc/stdlib/wctomb_r.c (__utf8_wctomb): Fix check for handling a
lone high surrogate.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/time/lcltime_r.c (localtime_r): Call _tzset_unlocked inside
TZ lock.
* libc/time/mktime.c (mktime): Ditto.
* libc/time/strftime.c (strftime, wcsftime): Ditto. Guard against
calling _tzset_unlocked more than once (baring recursion).
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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newlib:
* libc/time/local.h (_tzset_unlocked_r): Add prototype.
(_tzset_unlocked): Ditto.
* libc/time/tzset.c (_tzset_unlocked): New function, call
_tzset_unlocked_r.
(tzset): Lock and call _tzset_unlocked_r.
* libc/time/tzset_r (_tzset_unlocked_r): Remove locking and rename
from _tzset_r.
(_tzset_r): Lock and call _tzset_unlocked_r.
cygwin:
* localtime.cc (tzset_unlocked): Export as _tzset_unlocked.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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* libc/stdlib/setenv_r.c (_setenv_r): Remove tzset() call for TZ
definition.
* libc/time/lcltime_r.c (localtime_r): Add tzset() call
* libc/time/mktime.c (mktime): Ditto.
* libc/time/strftime.c (strftime, wcsftime): Ditto.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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This avoids a strlen(NULL) crash a few lines later.
* libc/time/strftime.c (strftime) <%Z>: Initialize tznam to NULL.
Use _tzname as fallback if TM_ZONE is NULL.
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* libc/include/libgen.h (_BASENAME_DEFINED): Define.
* libc/include/string.h (basename): Declare.
* libc/string/Makefile.am (ELIX_4_SOURCES): Add gnu_basename.c.
* libc/string/Makefile.in: Regenerate.
* libc/string/gnu_basename.c: New file.
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* libc/include/sys/tree.h: New file.
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2015-03-23 Joel Sherrill <joel.sherrill@oarcorp.com
* configure.in: Delete logic to determine _UINTPTR_EQ_ULONGLONG
and _UINTPTR_EQ_ULONG at configuration time.
*libc/include/sys/config.h: Add logic to determine
_UINTPTR_EQ_ULONGLONG and _UINTPTR_EQ_ULONG at compilation time.
* libc/include/inttypes.h: Add include of <sys/config.h>.
* configure: Regenerated.
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* libc/include/sys/time.h: Replace uint32_t and uint64_t
with __uint32_t and __uint64_t.
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