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15254 %ymm registers not restored after signal handler
15367 x86 getfpregs() summons corrupting %xmm ghosts
15333 want x86 /proc xregs support (libc_db, libproc, mdb, etc.)
15336 want libc functions for extended ucontext_t
15334 want ps_lwphandle-specific reg routines
15328 FPU_CW_INIT mistreats reserved bit
15335 i86pc fpu_subr.c isn't really platform-specific
15332 setcontext(2) isn't actually noreturn
15331 need <sys/stdalign.h>
Change-Id: I7060aa86042dfb989f77fc3323c065ea2eafa9ad
Conflicts:
    usr/src/uts/common/fs/proc/prcontrol.c
    usr/src/uts/intel/os/archdep.c
    usr/src/uts/intel/sys/ucontext.h
    usr/src/uts/intel/syscall/getcontext.c
   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright 2016 Joyent, Inc.
  14  * Copyright 2022 Oxide Computer Company
  15  */
  16 
  17 #ifndef _STDALIGN_H
  18 #define _STDALIGN_H
  19 
  20 /*
  21  * ISO/IEC C11 stdalign.h. This header is meant to provide definitions for the
  22  * alignas and alignof 'keywords' into the underlying compiler-understood value.
  23  * In addition, there are two macros that are meant to define that this process
  24  * has happened. C++11 added alignas/alignof as keywords and including this
  25  * header is meant to cause us to still have the _is_defined macros, but not
  26  * define this overall.
  27  *
  28  * Unlike other cases we don't use any symbol guards here (other than C++) and
  29  * just allow the implementation to either have _Alignas and _Alignof or not
  30  * have it and lead to a compiler error for the user. The main justification of
  31  * this is that this header is only defined in C11 (and newer). It's not defined
  32  * in other standards and just as if you include a non-standard header, in this
  33  * case we don't try to stop that (same as if you included something like
  34  * libdevinfo.h).
  35  */
  36 
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40 
  41 #ifndef __cplusplus
  42 
  43 #define alignas _Alignas
  44 #define alignof _Alignof
  45 
  46 #endif  /* !__cplusplus */
  47 
  48 #define __alignas_is_defined    1
  49 #define __alignof_is_defined    1
  50 
  51 #ifdef __cplusplus
  52 }
  53 #endif
  54 
  55 #endif /* _STDALIGN_H */

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright 2023 Oxide Computer Company

  14  */
  15 
  16 #ifndef _STDALIGN_H
  17 #define _STDALIGN_H
  18 
  19 #include <sys/stdalign.h>















  20 


















  21 #endif /* _STDALIGN_H */