866ae2c254
Cygwin: drop 32 bit considerations in crt0 code
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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2022-05-16 18:17:06 +02:00
a834dc1ba9
Cygwin: 32 bit: remove old code to 16 bit align stack
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Aligning the stack pointer using an asm statement isn't any longer
supported. gcc-9.2.0 generates the following warning:
init.cc:33:46: error: listing the stack pointer register '%esp'
in a clobber list is deprecated [-Werror=deprecated]
[...]
init.cc:33:46: note: the value of the stack pointer after an
'asm' statement must be the same as it was before the statement
Replace the asm expression with the gcc function attribute
`force_align_arg_pointer'. This aligns the stack exactly as
required.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2020-02-28 15:02:09 +01:00
7346a162f2
cygwin: disable -Wframe-address warning only on GCC 6 or later
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This is required as long as we don't have a GCC 6.x cross compiler
on Linux.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-10-09 18:08:10 +02:00
05cfd1aed8
cygwin: workaround GCC 6 changes
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GCC 6 includes a number of new warnings which cause Cygwin to either not
compile, or not work properly even if said warnings are ignored:
https://cygwin.com/ml/cygwin-developers/2017-09/msg00000.html
https://gcc.gnu.org/gcc-6/porting_to.html
For now, we use the flags necessary to revert to GCC 5 behaviour until we
can fix the code properly.
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-09-12 14:30:34 -05:00
6e623e9320
Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option
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Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.
Everything else stays under GPLv3+.
New Linking Exception exempts resulting executables from LGPLv3 section 4.
Add CONTRIBUTORS file to keep track of licensing.
Remove 'Copyright Red Hat Inc' comments.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-06-23 10:09:17 +02:00
bc837d22f3
Throughout, update copyrights to reflect dates which correspond to main-branch
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checkins. Regularize copyright format.
2013-01-21 04:38:31 +00:00
b532ee08bc
* crt0.c (mainCRTStartup): Move call to _feinitialise from here...
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* dcrt0.cc (_dll_crt0): ...to here.
2011-03-17 08:40:25 +00:00
0f81b5d4bc
winsup/cygwin/ChangeLog:
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* Makefile.in (DLL_OFILES): Add new fenv.o module.
(fenv_CFLAGS): New flags definition for fenv.o compile.
* autoload.cc (std_dll_init): Use fenv.h functions instead of direct
manipulation of x87 FPU registers.
* crt0.c (mainCRTStartup): Likewise.
* cygwin.din (feclearexcept, fegetexceptflag, feraiseexcept,
fesetexceptflag, fetestexcept, fegetround, fesetround, fegetenv,
feholdexcept, fesetenv, feupdateenv, fegetprec, fesetprec,
feenableexcept, fedisableexcept, fegetexcept, _feinitialise,
_fe_dfl_env, _fe_nomask_env): Export new functions and data items.
* fenv.cc: New file.
* posix.sgml: Update status of newly-implemented APIs.
* include/fenv.h: Likewise related header.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
2010-09-11 06:53:28 +00:00
92117cb21f
* winlean.h: New file.
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* automode.c: Use "winlean.h".
* binmode.c: Ditto.
* gmon.c: Ditto.
* textmode.c: Ditto.
* textreadmode.c: Ditto.
* winsup.h: Ditto.
* lib/cygwin_attach_dll.c: Ditto.
* lib/dll_main.cc: Ditto.
* profile.c: Ditto.
* crt0.c: Ditto. Cleanup ancient cruft. Add dummy calls to cygwin_premain*.
* include/sys/cygwin.h: Remove old stuff. Move premain declarations nearer to
other cygwin-specific function declarations.
* globals.cc: Add comment.
2010-08-30 01:57:37 +00:00
9a7b0aad2a
* crt0.cc: Remove PPC considerations.
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(WinMainCRTStartup): Add symbol as alias to mainCRTStartup.
2005-09-29 14:28:22 +00:00
423ea473f4
* crt0.o (mainCRTStartup): 16 byte align stack for main function.
2004-05-04 14:46:25 +00:00
4b154cc1b3
* Makefile.in: Rework to accommodate new speclib arguments.
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* speclib: Rework to extract everything from libcygwin.a rather than building
things from existing object files.
2003-08-06 01:40:12 +00:00
194d9eb318
* Makefile.in (CYGWIN_START): Define as crt0.o. Add to TARGET_LIBS.
...
* fhandler.h (fhandler_virtual::fstat): Remove useless declaration.
* fhandler_virtual.cc: Remove _COMPILING_NEWLIB define.
* ipc.cc (ftok): Use stat64.
* syscalls.cc (_fstat64): Remove alias.
(_fstat): Ditto.
(_stat): Ditto.
(_fstat64_r): New function.
(_fstat_r): Ditto.
(_stat64_r): Ditto.
(stat_r): Ditto.
* crt0.o: New file, moved from newlib.
* include/sys/param.h: Ditto.
* include/sys/utime.h: Ditto.
* include/sys/utmp.h: Ditto.
* include/sys/dirent.h: Ditto. Expose different struct dirent,
dependening of the environment.
2003-05-12 11:06:27 +00:00
Corinna Vinschen
Yaakov Selkowitz
Christopher Faylor
Dave Korn