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

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _ASM_POWERPC_UCONTEXT_H
   3 #define _ASM_POWERPC_UCONTEXT_H
   4
   5 #ifdef __powerpc64__
   6 #include <asm/sigcontext.h>
   7 #else
   8 #include <asm/elf.h>
   9 #endif
  10 #include <asm/signal.h>
  11
  12 #ifndef __powerpc64__
  13 struct mcontext {
  14         elf_gregset_t   mc_gregs;
  15         elf_fpregset_t  mc_fregs;
  16         unsigned long   mc_pad[2];
  17         elf_vrregset_t  mc_vregs __attribute__((__aligned__(16)));
  18 };
  19 #endif
  20
  21 struct ucontext {
  22         unsigned long   uc_flags;
  23         struct ucontext __user *uc_link;
  24         stack_t         uc_stack;
  25 #ifndef __powerpc64__
  26         int             uc_pad[7];
  27         struct mcontext __user *uc_regs;/* points to uc_mcontext field */
  28 #endif
  29         sigset_t        uc_sigmask;
  30         /* glibc has 1024-bit signal masks, ours are 64-bit */
  31 #ifdef __powerpc64__
  32         sigset_t        __unused[15];   /* Allow for uc_sigmask growth */
  33         struct sigcontext uc_mcontext;  /* last for extensibility */
  34 #else
  35         int             uc_maskext[30];
  36         int             uc_pad2[3];
  37         struct mcontext uc_mcontext;
  38 #endif
  39 };
  40
  41 #endif /* _ASM_POWERPC_UCONTEXT_H */