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Use sys.exit() to write a message to stderr and terminate with a
non-zero exit code.
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Use raw strings for regexes. This is best practice, and fixes a number
of "W605 invalid escape sequence" flakes.
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The rlwinm is a word-size instruction which clears the remaining 32 bits of a
64-bit register. Use clrrdi in 64-bit configurations.
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..., not just '#if defined(__CYGWIN__)'. (Exception: 'clog10l' which currently
indeed is for Cygwin only.)
This completes 2017-07-05 commit be3ca3947402827aa52709e677369bc7ad30aa1d
"Fixed warnings for some long double complex methods" after Aditya Upadhyay's
work on importing "Long double complex methods" from NetBSD.
For example, this changes GCC/nvptx libgfortran 'configure' output as follows:
[...]
checking for ccosf... yes
checking for ccos... yes
checking for ccosl... [-no-]{+yes+}
[...]
..., and correspondingly GCC/nvptx 'nvptx-none/libgfortran/config.h' as
follows:
[...]
/* Define to 1 if you have the `ccosl' function. */
-/* #undef HAVE_CCOSL */
+#define HAVE_CCOSL 1
[...]
Similarly for 'ccoshl', 'cexpl', 'cpowl', 'csinl', 'csinhl', 'ctanl', 'ctanhl',
'cacoshl', 'cacosl', 'casinhl', 'catanhl'. ('conjl', 'cprojl' are not
currently being used in libgfortran.)
This in turn simplifies GCC/nvptx 'libgfortran/intrinsics/c99_functions.c'
compilation such that this files doesn't have to provide its own
"Implementation of various C99 functions" for those, when in fact they're
available in newlib libm.
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Commit 737e2004a3bb accidentally introduced a call to strlen in
code used with wide character strings in case of wcsftime. Use
STRLEN instead.
Fixes: 737e2004a3bb ("strftime.c(__strftime): add %q, %v, tests; tweak %Z doc")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Drop 'makedocbook --cache' (any dependency on the man-cache rule which
invokes that was dropped by the non-recursive make changes)
Instead, add some explicit locking which prevents processes colliding
over the file containing generated python code for the parser table.
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The first attempt to support the 64-bit mode had two bugs:
1. The saved general-purpose register 31 value was overwritten with the saved
link register value.
2. The link register was saved and restored using 32-bit instructions.
Use 64-bit store/load instructions to save/restore the link register. Make
sure that the general-purpose register 31 and the link register storage areas
do not overlap.
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> ERROR: xref linking to Stubs has no generated link text.
> Error: no ID for constraint linkend: Stubs.
(Despite saying "ERROR", this is actually a warning, and manpages are
still generated)
Improve chapter-texi2docbook so it generates elements for texinfo
sections as well, so that a cross-reference to the "Stubs" section
contains a valid element ID.
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%q GNU quarter year 1-4
%v BSD/OSX/Ruby VMS/Oracle %e-%b-%Y
%Z change time zone *name* to *abbreviation*
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newlib/libc/sys/arm/Makefile.inc was modified but automake was not rerun in
commit 5230eb7f8c6b43c71d7e38d138935c48de930b76
Implement sysconf for Arm
on arm-none-eabi target this caused
ld: B/arm-none-eabi/lib/libg.a(libc_a-mallocr.o): in function `malloc_extend_top':
S/newlib-cygwin/newlib/libc/stdlib/_mallocr.c:2161: undefined reference to `sysconf'
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Use 64-bit store/load instructions to save/restore the general-purpose
registers.
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- add support for using sysconf to get page size in _mallocr.c via
HAVE_SYSCONF_PAGESIZE flag set in configure.host
- set flag in configure.host for arm and add a default sysconf implementation
in libc/sys/arm that returns the page size
- the default implementation can be overridden outside newlib to allow a
different page size to improve malloc on devices with a small footprint
without needing to rebuild newlib
- this patch is based on a contribution from Torbjorn Svensson and
Niklas Dahlquist (https://ecos.sourceware.org/ml/newlib/current/017616.html)
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Previously, the chacha20 instance would be rekeyed every 1.6MB. This
makes it happen at a random point somewhere in the 1-2MB range.
Feedback deraadt@ visa@, ok tb@ visa@
newlib port: Make REKEY_BASE depend on SIZE_MAX
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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to match other instances in the tree. ok deraadt@
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In the incredibly unbelievable circumstance where _rs_init() fails to
allocate pages, don't call abort() because of corefile data leakage
concerns, but simply _exit(). The reasoning is _rs_init() will only fail
if someone finds a way to apply specific pressure against this failure
point, for the purpose of leaking information into a core which they can
read. We don't need a corefile in this instance to debug that. So take
this "lever" away from whoever in the future wants to do that.
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This hides a patch not required in newlib
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By default, MSVC's stdlib.h defines min(), so we need to spell out something
less common to avoid picking it up.
ok deraadt@ beck@ miod@
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In the nano version of malloc, when the last chunk is to be extended,
there is no need to acount for the header again as it's already taken
into account in the overall "alloc_size" at the beginning of the
function.
Contributed by STMicroelectronics
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
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When using nano malloc and the remaning heap space is not big enough to
fullfill the allocation, malloc will attempt to merge the last chunk in
the free list with a new allocation in order to create a bigger chunk.
This is successful, but the chunk still remains in the free_list, so
any later call to malloc can give out the same region without it first
being freed.
Possible sequence to verify:
void *p1 = malloc(3000);
void *p2 = malloc(4000);
void *p3 = malloc(5000);
void *p4 = malloc(6000);
void *p5 = malloc(7000);
free(p2);
free(p4);
void *p6 = malloc(35000);
free(p6);
void *p7 = malloc(42000);
void *p8 = malloc(32000);
Without the change, p7 and p8 points to the same address.
Requirement, after malloc(35000), there is less than 42000 bytes
available on the heap.
Contributed by STMicroelectronics
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
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When __SINGLE_THREAD__ is not defined, stdin, stdout and stderr needs
to have their _lock instance initialized. The __sfp() method is not
invoked for the 3 mentioned fds thus, the std() method needs to handle
the initialization of the lock.
This is more or less a revert of 382550072b49430f8c69adee937a0ba07bd385e6
Contributed by STMicroelectronics
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
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This patch makes syscalls for SH architecture respecting the global option
"--disable-newlib-supplied-syscalls". This is useful when a bare-metal
toolchain is needed.
Signed-off-by: Yilin Sun <imi415@imi.moe>
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This simple testcase:
locale_t st = newlocale(LC_ALL_MASK, "C", (locale_t)0);
locale_t st2 = newlocale(LC_CTYPE_MASK, "en_US.UTF-8", st);
is sufficient to reproduce a crash in _newlocale_r. After the first call
to newlocale, `st' points to __C_locale, which is const. When using `st'
as locale base in the second call, _newlocale_r tries to set pointers
inside base to NULL. This is bad if base is __C_locale, obviously.
Add a test to avoid trying to overwrite pointer values inside base if
base is __C_locale.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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Given that 64 bit Cygwin defines all file access types (off_t,
fpos_t, and derived types) as 64 bit anyway, there's no reason
left to rely on the stdio64 part of newlib. Use base functions
and base types.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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By default, Newlib uses a huge object of type struct _reent to store
thread-specific data. This object is returned by __getreent() if the
__DYNAMIC_REENT__ Newlib configuration option is defined.
The reentrancy structure contains for example errno and the standard input,
output, and error file streams. This means that if an application only uses
errno it has a dependency on the file stream support even if it does not use
it. This is an issue for lower end targets and applications which need to
qualify the software according to safety standards (for example ECSS-E-ST-40C,
ECSS-Q-ST-80C, IEC 61508, ISO 26262, DO-178, DO-330, DO-333).
If the new _REENT_THREAD_LOCAL configuration option is enabled, then struct
_reent is replaced by dedicated thread-local objects for each struct _reent
member. The thread-local objects are defined in translation units which use
the corresponding object.
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In a follow up patch, struct _reent is optionally replaced by dedicated
thread-local objects. In this case,_REENT is optionally defined to NULL. Add
the _REENT_IS_NULL() macro to disable this check on demand.
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Add a _REENT_SIG_FUNC() macro to encapsulate access to the
_sig_func member of struct reent. This will help to replace the
struct member with a thread-local storage object in a follow up
patch.
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Add a _REENT_CVTBUF() macro to encapsulate access to the _cvtbuf
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow up patch.
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Add a _REENT_CVTLEN() macro to encapsulate access to the _cvtlen
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow-up patch.
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Add a _REENT_CLEANUP() macro to encapsulate access to the
__cleanup member of struct reent. This will help to replace the
struct member with a thread-local storage object in a follow up
patch.
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Add a _REENT_LOCALE() macro to encapsulate access to the _locale
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow up patch.
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Add a _REENT_INC() macro to encapsulate access to the _inc member
of struct reent. This will help to replace the struct member with
a thread-local storage object in a follow up patch.
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Add a _REENT_STDERR() macro to encapsulate access to the _stderr
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow up patch.
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Add a _REENT_STDOUT() macro to encapsulate access to the _stdout
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow up patch.
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Add a _REENT_STDIN() macro to encapsulate access to the _stdin
member of struct reent. This will help to replace the struct
member with a thread-local storage object in a follow up patch.
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Add a _REENT_ERRNO() macro to encapsulate the access to the
_errno member of struct reent. This will help to replace the
structure member with a thread-local storage object in a follow
up patch.
Replace uses of __errno_r() with _REENT_ERRNO(). Keep __errno_r() macro for
potential users outside of Newlib.
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Use this macro to access the _emergency member of struct _reent. This macro
will help to replace the _emergency member of struct _reent with a thread-local
storage object in a follow up patch.
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Move definitions not directly related to struct _reent to the bottom of the
file. This allows a contiguous #ifndef _REENT_THREAD_LOCAL_STORAGE block.
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The "/dev/log" socket existed in pre-FreeBSD times. Later it was
substituted to a compatibility symlink. The symlink creation was
deprecated in FreeBSD 10.2 and 9-STABLE.
Reviewed by: markj
Differential revision: https://reviews.freebsd.org/D35304
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Provide sticky ARP flag for network interface which marks it as the
"sticky" one similarly to what we have for bridges. Once interface is
marked sticky, any address resolved using the ARP will be saved as a
static one in the ARP table. Such functionality may be used to prevent
ARP spoofing or to decrease latencies in Ethernet networks.
The drawbacks include potential limitations in usage of ARP-based
load-balancers and high-availability solutions such as carp(4).
The implemented option is disabled by default, therefore should not
impact the default behaviour of the networking stack.
Sponsored by: Conclusive Engineering sp. z o.o.
Reviewed By: melifaro, pauamma_gundo.com
Differential Revision: https://reviews.freebsd.org/D35314
MFC after: 2 weeks
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The old fixed-point arithmetic used for calculating load averages had an
overflow at 1024. So on systems with extremely high load, the observed
load average would actually fall back to 0 and shoot up again, creating
a kind of sawtooth graph.
Fix this by using 64-bit math internally, while still reporting the load
average to userspace as a 32-bit number.
Sponsored by: Axcient
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D35134
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and corresponding nvlist capabilities name strings.
Reviewed by: hselasky, jhb, kp (previous version)
Sponsored by: NVIDIA Networking
MFC after: 3 weeks
Differential revision: https://reviews.freebsd.org/D32551
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Reviewed by: hselasky, jhb, kp (previous version)
Sponsored by: NVIDIA Networking
MFC after: 3 weeks
Differential revision: https://reviews.freebsd.org/D32551
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TCP per RFC793 has 4 reserved flag bits for future use. One
of those bits may be used for Accurate ECN.
This patch is to include these bits in the LRO code to ease
the extensibility if/when these bits are used.
Reviewed By: hselasky, rrs, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D34127
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Hide historical Class A/B/C macros unless IN_HISTORICAL_NETS is defined;
define it for user level. Define IN_MULTICAST separately from IN_CLASSD,
and use it in pf instead of IN_CLASSD. Stop using class for setting
default masks when not specified; instead, define new default mask
(24 bits). Warn when an Internet address is set without a mask.
MFC after: 1 month
Reviewed by: cy
Differential Revision: https://reviews.freebsd.org/D32708
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