powerpc: merge ucontext.h

#ifndef _ASMPPC_UCONTEXT_H

#define _ASMPPC_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 /* !_ASMPPC_UCONTEXT_H */

#endif /* _ASM_POWERPC_UCONTEXT_H */

#ifndef _ASMPPC64_UCONTEXT_H

#define _ASMPPC64_UCONTEXT_H

#include <asm/sigcontext.h>

/*

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

struct ucontext {

	unsigned long	  uc_flags;

	struct ucontext  *uc_link;

	stack_t		  uc_stack;

	sigset_t	  uc_sigmask;

	sigset_t	  __unsued[15];	/* Allow for uc_sigmask growth */

	struct sigcontext uc_mcontext;  /* last for extensibility */

};

#endif /* _ASMPPC64_UCONTEXT_H */