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778561006e
Add fields to struct mips_abi, which holds information regarding the kernel-userland ABI regarding signals, to specify the offsets to the FP related fields within the appropriate variant of struct sigcontext. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Guenter Roeck <linux@roeck-us.net> Cc: Matthew Fortune <matthew.fortune@imgtec.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linux-kernel@vger.kernel.org Cc: Richard Weinberger <richard@nod.at> Cc: James Hogan <james.hogan@imgtec.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Maciej W. Rozycki <macro@codesourcery.com> Patchwork: https://patchwork.linux-mips.org/patch/10788/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
30 lines
855 B
C
30 lines
855 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2005, 06 by Ralf Baechle (ralf@linux-mips.org)
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* Copyright (C) 2005 MIPS Technologies, Inc.
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*/
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#ifndef _ASM_ABI_H
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#define _ASM_ABI_H
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#include <asm/signal.h>
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#include <asm/siginfo.h>
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struct mips_abi {
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int (* const setup_frame)(void *sig_return, struct ksignal *ksig,
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struct pt_regs *regs, sigset_t *set);
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const unsigned long signal_return_offset;
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int (* const setup_rt_frame)(void *sig_return, struct ksignal *ksig,
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struct pt_regs *regs, sigset_t *set);
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const unsigned long rt_signal_return_offset;
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const unsigned long restart;
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unsigned off_sc_fpregs;
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unsigned off_sc_fpc_csr;
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unsigned off_sc_used_math;
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};
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#endif /* _ASM_ABI_H */
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