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ucontext.h

#ifndef _ASM_POWERPC_UCONTEXT_H
#define _ASM_POWERPC_UCONTEXT_H

#ifdef __powerpc64__
#include <asm/sigcontext.h>
#else
#include <asm/elf.h>
#endif
#include <asm/signal.h>

#ifndef __powerpc64__
struct mcontext {
      elf_gregset_t     mc_gregs;
      elf_fpregset_t    mc_fregs;
      unsigned long     mc_pad[2];
      elf_vrregset_t    mc_vregs __attribute__((__aligned__(16)));
};
#endif

struct ucontext {
      unsigned long     uc_flags;
      struct ucontext __user *uc_link;
      stack_t           uc_stack;
#ifndef __powerpc64__
      int         uc_pad[7];
      struct mcontext   __user *uc_regs;/* points to uc_mcontext field */
#endif
      sigset_t    uc_sigmask;
      /* glibc has 1024-bit signal masks, ours are 64-bit */
#ifdef __powerpc64__
      sigset_t    __unused[15];     /* Allow for uc_sigmask growth */
      struct sigcontext uc_mcontext;      /* last for extensibility */
#else
      int         uc_maskext[30];
      int         uc_pad2[3];
      struct mcontext   uc_mcontext;
#endif
};

#endif /* _ASM_POWERPC_UCONTEXT_H */

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