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* ARM/AArch64: Fix GetCmdLine semihosting directivesnewlib-snapshot-20170519Laurent ALFONSI2017-05-192-7/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When simulating arm code, the target program startup code (crt0) uses semihosting invocations to get the command line from the simulator. The simulator returns the command line and its size into the area passed in parameter. (ARM 32-bit specifications : http://infocenter.arm.com/help/topic/com.arm.doc.dui0058d/DUI0058.pdf chapter "5.4.19 SYS_GET_CMDLINE"). The memory area pointed by the semihosting register argument is located in .text section (usually not writtable (RX)). If we run this code on a simulator that respects this rights properties (qemu user-mode for instance), the command line will not be written to the .text program memory, in particular the length of the string. The program runs with an empty command line. This problem hasn't been seen earlier probably because qemu user-mode is not so much used, but this can happen with another simulator that refuse to write in a read-only segment. With this modification, the command line can be correctly passed to the target program. Changes: - libgloss/arm/crt0.S : Arguments passed to the AngelSWI_Reason_GetCmdLine semihosting invocation are placed into .data section instead of .text - libgloss/aarch64/crt0.S : Idem for aarch64 AngelSVC_Reason_GetCmdLine semihosting.
* cygwin CONTRIBUTORS: Add Daniel SantosCorinna Vinschen2017-04-251-0/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Fix transposed lines in 2.8.1 release textJon Turney2017-04-241-2/+2
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* Update 2.8.1 release textJon Turney2017-04-241-1/+7
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* cygwin: add 2.8.1 release fileCorinna Vinschen2017-04-241-0/+23
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin TEST: Add nagging debug output to pinfoCorinna Vinschen2017-04-241-0/+13
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin: pinfo: do not wait for setting ppid on a transitional procinfoCorinna Vinschen2017-04-241-6/+11
| | | | | | | | This leads to excessive lag when stracing processes if the inferior process checks the process table. The reason is that ppid isn't set in the procinfo memory of the dynamically loading strace itself. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin: try unprivileged symlink creation on W10 1703 and laterCorinna Vinschen2017-04-241-2/+9
| | | | | | | | | | | | Add new SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE flag to CreateSymbolicLinkW call when running on W10 1703 or later. Don't do that on older versions to avoid ERROR_INVALID_PARAMETER. Preliminary, needs testing. There's an off-chance that the flag results in the same ERROR_INVALID_PARAMETER on 1703 if the developer settings are not enabled. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin: wincap: handle W10 1703Corinna Vinschen2017-04-242-2/+28
| | | | | | | Add has_unprivileged_createsymlink flag and set to true on 1703 and later. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin: wincap: fix evaluation of build numberCorinna Vinschen2017-04-241-0/+1
| | | | | | | | | RtlGetNtVersionNumbers returns the build number with some upper bits set for no apparent reason. The fact that RtlGetNtVersionNumbers is undocumented doesn't exactly help. Just filter out the upper WORD for now. If build numbers are in danger to become 6 digit numbers, re-evaluate.
* cygwin: remov unused winpids constructorCorinna Vinschen2017-04-241-2/+0
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Fix stat.st_blocks for files compressed with CompactOS methodChristian Franke2017-04-221-5/+12
| | | | | | | | Always retrieve FileCompressionInformation for non-empty files if FileStandardInformation returns 0 allocated blocks. This fixes stat.st_blocks for files compressed with CompactOS method. Signed-off-by: Christian Franke <franke@computer.org>
* cygwin doc: Add postinstall/preremove scripts to install Start Menu entriesBrian Inglis2017-04-223-2/+115
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin CONTRIBUTORS: Add Brian InglisCorinna Vinschen2017-04-221-0/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin doc: install-html: Fix docbook.css and index.html symlink installationCorinna Vinschen2017-04-221-4/+4
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Update URLs for Cygwin packaging informationnewlib-snapshot-20170421Jon Turney2017-04-203-13/+6
| | | | | | | | Also: Remove obsolete reference to g-b-s Remove mention of ancient pre-invisiconsole behaviour of setup scripts Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
* strace: Fix "over-optimization" flaw in strace.Daniel Santos2017-04-191-1/+1
| | | | | | | | Recent versions of gcc are optimizing away the TLS buffer allocated in main, so we need to tell gcc that it's really used. RtlSecureZeroMemory accomplishes this while also inlining the memset. Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
* Fix relocation type for _bsssize being R_MSP430X_ABS16 when large memory ↵Jozef Lawrynowicz2017-04-191-2/+2
| | | | model is used
* cygwin doc: install-html: install docbook.cssCorinna Vinschen2017-04-192-0/+25
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin doc: install-html: link index.html instead of copyingCorinna Vinschen2017-04-191-2/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Add __packed to struct ldieeeKito Cheng2017-04-181-8/+9
| | | | | - We don't want any padding in struct ldieee, otherwise the offset might wrong in most compiler.
* libgloss/arm: fix discovery of "eabihf" toolchainsCarlos Santos2017-04-182-2/+2
| | | | | | | | | | | | | ARM EABI toolchains can optionally use the "hf" suffix to identify hardware floating point support. Use the "*-*-eabi*" pattern to match these toolchains. Original patch by Bryan Hundven for the Crosstool-NG project. Improved by Alexey Neyman. Signed-off-by: Carlos Santos <casantos@datacom.ind.br> CC: Bryan Hundven <bryanhundven@gmail.com CC: Alexey Neyman <stilor@att.net>
* newlib: remove __infinity{f,ld} constantsCorinna Vinschen2017-04-186-35/+11
| | | | | | | | | | | | | | | previous commit 4c90db7bc89e7fa1077025fefdd58269dc71a6ac introduced a compile time error because libm/common/s_infconst.c used the remove __fmath, __dmath, and __ldmath union types. Since this is very old, and unused for a very long time, just drop the file and thus the __infinity constants entirely. Exception: Cygwin exports __infinity from the beginning. There's a very, VERY low probability that any existing executable or lib still uses this constant, but we just keep it in for backward compat, nevertheless. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Remove legacy unions which are no longer usedJeff Johnston2017-04-171-23/+0
| | | | - remove __fmath, __dmath, and __ldmath unions
* Avoid decimal point localization in /proc/loadavgJon Turney2017-04-101-3/+8
| | | | | | | | Explicitly format the contents of /proc/loadavg to avoid the decimal point getting localized according to LC_NUMERIC. Using anything other than '.' is wrong and breaks top. Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
* Optimise memchr for NEON-enabled processorsPrakhar Bahuguna2017-04-062-2/+185
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* mkvers.sh: Remove "function" to avoid dash objecting to bash-ism.Mark Geisert2017-04-061-1/+1
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* Make ldd stop after any non-continuable exceptionJon Turney2017-04-041-1/+9
| | | | | | | | | | Ensure that ldd always stops when the exception is flagged as non-continuable. Also arrange for ldd to exit with a non-zero exit code if something went wrong which prevented us from listing all dynamic dependencies. Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
* Cygwin: Export reallocarrayCorinna Vinschen2017-04-043-1/+4
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Bump Cygwin to 2.8.1Corinna Vinschen2017-04-041-1/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Add BSD-specific reallocarray()Sebastian Huber2017-04-044-17/+68
| | | | | It is available in FreeBSD, NetBSD and OpenBSD, but not in glibc. It is used for example by OpenSSH.
* Renumber copyright clause 4imp2017-04-041-1/+1
| | | | | | | | | Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
* queue.3: Document existing QMD_* macroscem2017-04-041-0/+39
| | | | | | Feedback from: bapt, bdrewery, emaste Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D3983
* queue(3): Enhance queue debugging macroscem2017-04-041-5/+37
| | | | | | | | | | | | | Split the QUEUE_MACRO_DEBUG into QUEUE_MACRO_DEBUG_TRACE and QUEUE_MACRO_DEBUG_TRASH. Add the debug macrso QMD_IS_TRASHED() and QMD_SLIST_CHECK_PREVPTR(). Document these in queue.3. Reviewed by: emaste Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D3984
* Add two new macros, SLIST_CONCAT and LIST_CONCATmckusick2017-04-041-2/+36
| | | | | | | | | Add two new macros, SLIST_CONCAT and LIST_CONCAT. Note in both the queue.h header file and in the queue.3 manual page that they are O(n) so should be used only in low-usage paths with short lists (otherwise an STAILQ or TAILQ should be used). Reviewed by: kib
* Make the <sys/queue.h> fully usable within C++hselasky2017-04-041-14/+73
| | | | | | | | | | | | | | | | | | Make the system queue header file fully usable within C++ programs by adding macros to define class lists. This change is backwards compatible for all use within C and C++ programs. Only C++ programs will have added support to use the queue macros within classes. Previously the queue macros could only be used within structures. The queue.3 manual page has been updated to describe the new functionality and some alphabetic sorting has been done while at it. Differential Revision: https://reviews.freebsd.org/D2745 PR: 200827 (exp-run) MFC after: 2 weeks
* Pass macro arguments properly.hselasky2017-04-041-2/+2
| | | | MFC after: 1 week
* Fix order of arguments in the TRACEBUF_INITIALIZERhselasky2017-04-041-1/+1
| | | | | | | Fix order of arguments in the TRACEBUF_INITIALIZER macro so that we can define QUEUE_MACRO_DEBUG to debug list problems. MFC after: 1 week
* Add new FOREACH_FROM variants for queue(3)lstewart2017-04-041-0/+53
| | | | | | | | | | | | | Add new FOREACH_FROM variants of the queue(3) FOREACH macros which can optionally start the traversal from a previously found element by passing the element in as "var". Passing a NULL "var" retains the same semantics as the regular FOREACH macros. Kudos to phk for suggesting the "FROM" suffix instead of my original proposal. Reviewed by: jhb (previous version), rpaulo MFC after: 1 week
* Renumber copyright clause 4imp2017-04-041-1/+1
| | | | | | | | | Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
* don't use C99 static array indices with older GCC versionsavg2017-04-041-0/+1
| | | | | | | | | | | | | | For example, the FreeBSD GCC (4.2.1) has a spotty support for that feature. If the static keyword is used with an unnamed array parameter in a function declaration, then the compilation fails with: error: static or type qualifiers in abstract declarator The feature does work if the parameter is named. So, the restriction introduced in this commit can be removed when all affected function prototypes have the workaround. MFC after: 1 week Sponsored by: Panzura
* Addition of clang nullability qualifiers.pfg2017-04-041-0/+7
| | | | | | | | | | | | | | | For consistency with the qualifiers added in r310977, define a new qualifier _Null_unspecified which is also defined in clang 3.7+. Add two new macros: __NULLABILITY_PRAGMA_PUSH __NULLABILITY_PRAGMA_POP These are for use in headers when we want avoid noisy warnings if some pointers are left without nullability annotations. These are added with way ahead of their first use to teach the GCC ports headers of their existance before their first use.
* Remove unused __gnu_inline() attribute.pfg2017-04-041-16/+0
| | | | | | | | | | | | This was meant to be used by a future FORTIFY_SOURCE implementation. Probably for good, FORTIFY_SOURCE and this particular GCCism were never well supported by clang or other compilers. Furthermore, the technology has long since been replaced by either static checkers, sanitizers, or even just the strong stack protector that was enabled by default. Drop __gnu_inline to avoid cluttering the headers. MFC after: 5 days
* Addition of clang nullability qualifiers.pfg2017-04-041-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | Add two new qualifiers for use by the static checkers: _Nonnull The _Nonnull nullability qualifier indicates that null is not a meaningful value for a value of the _Nonnull pointer type. _Nullable The _Nullable nullability qualifier indicates that a value of the _Nullable pointer type can be null. These were introduced in Clang 3.7. For more information, see: http://clang.llvm.org/docs/AttributeReference.html#nonnull We add these now without using them so that the GCC ports have time to pick up the header change. Hinted by: Android Bionic libc [1] Also seen in: Apple's Libc-1158.20.4 [1] https://github.com/android/platform_bionic/commit/baa2a973bd776a51bb05a8590ab05d86eea7b321
* Fix C++ includability of crypto headers with static array sizesasomers2017-04-041-0/+14
| | | | | | | | | | | | | | | | | | | | | | C99 allows array function parameters to use the static keyword for their sizes. This tells the compiler that the parameter will have at least the specified size, and calling code will fail to compile if that guarantee is not met. However, this syntax is not legal in C++. This commit reverts r300824, which worked around the problem for sys/md5.h only, and introduces a new macro: min_size(). min_size(x) can be used in headers as a static array size, but will still compile in C++ mode. Reviewed by: cem, ed MFC after: 4 weeks Sponsored by: Spectra Logic Corp Differential Revision: https://reviews.freebsd.org/D8277 fix a typo in __STDC_VERSION__ in __min_size requirements MFC after: 1 week Sponsored by: Panzura
* Stop exposing the C11 _Atomic() macro in <sys/cdefs.h>, when compiling for C++.dim2017-04-041-1/+2
| | | | | | | | | | | It clashes with the one in libc++'s <atomic> header. (Previously, the _Atomic() macro was defined in <stdatomic.h>, which is only for use with C11, but for various reasons it was moved to its current location in r251804.) Discussed with: bdrewery, ed MFC after: 2 weeks
* Rename __sentinel to __null_sentinelpfg2017-04-041-2/+2
| | | | | | GCC 5 uses a conflicting __sentinel definition in include/c++/bits/stl_algo.h Reported by: matteo
* Use enum __packed in favour of -fshort-enumsSebastian Huber2017-04-036-48/+49
| | | | | | | | | | | | Some architectures like ARM encode the short enum option state in the object file and the linker checks that this option is consistent for all objects of an executable. In case applications use -fno-short-enums, then this leads to linker warnings. Use the enum __packed attribute for the relevent enums to avoid the -fshort-enums compiler option. This attribute is at least available on GCC, LLVM/clang and the Intel compiler. Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
* Use .syntax unified instead of .syntax divided.cygwin-2_8_0-releaseCatherine Moore2017-03-302-2/+2
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* Add latest changes to Cygwin release informationCorinna Vinschen2017-03-282-2/+18
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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