arch/s390/include/uapi/asm/ucontext.h

   1 /*
   2  *  S390 version
   3  *
   4  *  Derived from "include/asm-i386/ucontext.h"
   5  */
   6
   7 #ifndef _ASM_S390_UCONTEXT_H
   8 #define _ASM_S390_UCONTEXT_H
   9
  10 #define UC_GPRS_HIGH    1       /* uc_mcontext_ext has valid high gprs */
  11 #define UC_VXRS         2       /* uc_mcontext_ext has valid vector regs */
  12
  13 /*
  14  * The struct ucontext_extended describes how the registers are stored
  15  * on a rt signal frame. Please note that the structure is not fixed,
  16  * if new CPU registers are added to the user state the size of the
  17  * struct ucontext_extended will increase.
  18  */
  19 struct ucontext_extended {
  20         unsigned long     uc_flags;
  21         struct ucontext  *uc_link;
  22         stack_t           uc_stack;
  23         _sigregs          uc_mcontext;
  24         sigset_t          uc_sigmask;
  25         /* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
  26         unsigned char     __unused[128 - sizeof(sigset_t)];
  27         _sigregs_ext      uc_mcontext_ext;
  28 };
  29
  30 struct ucontext {
  31         unsigned long     uc_flags;
  32         struct ucontext  *uc_link;
  33         stack_t           uc_stack;
  34         _sigregs          uc_mcontext;
  35         sigset_t          uc_sigmask;
  36         /* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
  37         unsigned char     __unused[128 - sizeof(sigset_t)];
  38 };
  39
  40 #endif /* !_ASM_S390_UCONTEXT_H */