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nios2: Signal handling support
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This patch adds support for signal handling.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
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Ley Foon Tan committed Dec 8, 2014
1 parent 1000197 commit b53e906
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22 changes: 22 additions & 0 deletions arch/nios2/include/asm/signal.h
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/*
* Copyright Altera Corporation (C) 2013. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _NIOS2_SIGNAL_H
#define _NIOS2_SIGNAL_H

#include <uapi/asm/signal.h>

#endif /* _NIOS2_SIGNAL_H */
32 changes: 32 additions & 0 deletions arch/nios2/include/asm/ucontext.h
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/*
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
* Copyright (C) 2004 Microtronix Datacom Ltd
*
* 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.
*/

#ifndef _ASM_NIOS2_UCONTEXT_H
#define _ASM_NIOS2_UCONTEXT_H

typedef int greg_t;
#define NGREG 32
typedef greg_t gregset_t[NGREG];

struct mcontext {
int version;
gregset_t gregs;
};

#define MCONTEXT_VERSION 2

struct ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
struct mcontext uc_mcontext;
sigset_t uc_sigmask; /* mask last for extensibility */
};

#endif
28 changes: 28 additions & 0 deletions arch/nios2/include/uapi/asm/sigcontext.h
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/*
* Copyright (C) 2004, Microtronix Datacom Ltd.
*
* All rights reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/

#ifndef _ASM_NIOS2_SIGCONTEXT_H
#define _ASM_NIOS2_SIGCONTEXT_H

#include <asm/ptrace.h>

struct sigcontext {
struct pt_regs regs;
unsigned long sc_mask; /* old sigmask */
};

#endif
23 changes: 23 additions & 0 deletions arch/nios2/include/uapi/asm/signal.h
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/*
* Copyright Altera Corporation (C) 2013. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _ASM_NIOS2_SIGNAL_H
#define _ASM_NIOS2_SIGNAL_H

#define SA_RESTORER 0x04000000
#include <asm-generic/signal.h>

#endif /* _ASM_NIOS2_SIGNAL_H */
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