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sigcontext.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1996, 1997, 1999 by Ralf Baechle
 * Copyright (C) 1999 Silicon Graphics, Inc.
 */
#ifndef _ASM_SIGCONTEXT_H
#define _ASM_SIGCONTEXT_H

#include <linux/types.h>
#include <asm/sgidefs.h>

#if _MIPS_SIM == _MIPS_SIM_ABI32

/*
 * Keep this struct definition in sync with the sigcontext fragment
 * in arch/mips/tools/offset.c
 */
struct sigcontext {
      unsigned int            sc_regmask; /* Unused */
      unsigned int            sc_status;  /* Unused */
      unsigned long long      sc_pc;
      unsigned long long      sc_regs[32];
      unsigned long long      sc_fpregs[32];
      unsigned int            sc_acx;           /* Was sc_ownedfp */
      unsigned int            sc_fpc_csr;
      unsigned int            sc_fpc_eir; /* Unused */
      unsigned int            sc_used_math;
      unsigned int            sc_dsp;           /* dsp status, was sc_ssflags */
      unsigned long long      sc_mdhi;
      unsigned long long      sc_mdlo;
      unsigned long           sc_hi1;           /* Was sc_cause */
      unsigned long           sc_lo1;           /* Was sc_badvaddr */
      unsigned long           sc_hi2;           /* Was sc_sigset[4] */
      unsigned long           sc_lo2;
      unsigned long           sc_hi3;
      unsigned long           sc_lo3;
};

#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */

#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32

#include <linux/posix_types.h>
/*
 * Keep this struct definition in sync with the sigcontext fragment
 * in arch/mips/tools/offset.c
 *
 * Warning: this structure illdefined with sc_badvaddr being just an unsigned
 * int so it was changed to unsigned long in 2.6.0-test1.  This may break
 * binary compatibility - no prisoners.
 * DSP ASE in 2.6.12-rc4.  Turn sc_mdhi and sc_mdlo into an array of four
 * entries, add sc_dsp and sc_reserved for padding.  No prisoners.
 */
struct sigcontext {
      __u64 sc_regs[32];
      __u64 sc_fpregs[32];
      __u64 sc_mdhi;
      __u64 sc_hi1;
      __u64 sc_hi2;
      __u64 sc_hi3;
      __u64 sc_mdlo;
      __u64 sc_lo1;
      __u64 sc_lo2;
      __u64 sc_lo3;
      __u64 sc_pc;
      __u32 sc_fpc_csr;
      __u32 sc_used_math;
      __u32 sc_dsp;
      __u32 sc_reserved;
};

#ifdef __KERNEL__

struct sigcontext32 {
      __u32       sc_regmask; /* Unused */
      __u32       sc_status;  /* Unused */
      __u64       sc_pc;
      __u64       sc_regs[32];
      __u64       sc_fpregs[32];
      __u32       sc_acx;           /* Only MIPS32; was sc_ownedfp */
      __u32       sc_fpc_csr;
      __u32       sc_fpc_eir; /* Unused */
      __u32       sc_used_math;
      __u32       sc_dsp;           /* dsp status, was sc_ssflags */
      __u64       sc_mdhi;
      __u64       sc_mdlo;
      __u32       sc_hi1;           /* Was sc_cause */
      __u32       sc_lo1;           /* Was sc_badvaddr */
      __u32       sc_hi2;           /* Was sc_sigset[4] */
      __u32       sc_lo2;
      __u32       sc_hi3;
      __u32       sc_lo3;
};
#endif /* __KERNEL__ */

#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */

#endif /* _ASM_SIGCONTEXT_H */

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