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* Cygwin: Fix x86_64 memcpy/memset for n > 2GBCorinna Vinschen2015-07-291-0/+4
| | | | | | | | | | | | | | | | https://cygwin.com/ml/cygwin/2015-07/msg00344.html: RtlFillMemory and RtlCopyMemory only work for size values up to 2GB. Fix this problem by using NetBSD code for memset and memcpy. Add entry points for memmove, wmemset, wmemmove, wmemcpy. Thanks to Roman Petrovski <RPetrovski@illumina.com> for pointing this out. * miscfuncs.cc (memset): x86_64 only: Implement in assembler. (memmove,memcpy): x86_64 only: Ditto. (wmemmove,wmemcpy): x86_64 only: Ditto. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* cygwin: Fix crashes under AllocationPreference=0x100000 conditionCorinna Vinschen2015-07-291-0/+3
| | | | | | | | | | | | | * cygtls.h: Include cygtls_padsize.h and define CYGTLS_PADSIZE there. * cygtls_padsize.h: New file. Define CYGTLS_PADSIZE. * environ.cc (parse_options): Fix NULL pointer access. * init.cc (threadfunc_fe): Do not force stack align on x86_64. * strace.cc (main2): Rename from main. (main): Make room for _cygtls area on stack and just call main2. Add comment to explain why. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Improve cygwin 2.2.0 release textCorinna Vinschen2015-07-231-0/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Ignore non-absolute $HOME when started from native processCorinna Vinschen2015-07-231-0/+3
| | | | | | | * uinfo.cc (cygheap_user::ontherange): Ignore $HOME if it's not starting with a slash (aka, absolute POSIX Path). Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: Implement siglongjmp and sigsetjmp functions.Corinna Vinschen2015-07-211-0/+4
| | | | | | | | | | | | | | | | | | | | | | | * 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>
* Add previous ldd fix to release fileCorinna Vinschen2015-07-201-0/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Implement getcontext, setcontext, makecontext, swapcontextCorinna Vinschen2015-07-171-0/+13
* common.din (getcontext): Export. (makecontext): Export. (setcontext): Export. (swapcontext): Export. * exceptions.cc (__unwind_single_frame): New static functions, 64 bit only. (setcontext): New function. (getcontext): New function. (swapcontext): New function. (__cont_link_context): New function. (makecontext): New function. * include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2002. (CYGWIN_VERSION_API_MINOR): Bump. * include/ucontext.h (getcontext): Add prototype. (setcontext): Ditto. (swapcontext): Ditto. (makecontext): Ditto. * ntdll.h (NtContinue): Ditto. * new-features.xml (ov-new2.2): Add new section. Document getcontext, setcontext, makecontext, swapcontext. * posix.xml (std-deprec): Add getcontext, setcontext, makecontext, swapcontext. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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