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62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _SIGCONTEXTINFO_H
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#define _SIGCONTEXTINFO_H
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#include <bits/types/siginfo_t.h>
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/* The sparc64 kernel signal frame for SA_SIGINFO is defined as:
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struct rt_signal_frame
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{
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struct sparc_stackf ss;
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siginfo_t info;
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struct pt_regs regs;
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__siginfo_fpu_t *fpu_save;
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stack_t stack;
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sigset_t mask;
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__siginfo_rwin_t *rwin_save;
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};
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Unlike other architectures, sparc64 passe the siginfo_t INFO pointer
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as the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
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#ifndef STACK_BIAS
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#define STACK_BIAS 2047
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#endif
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struct pt_regs
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{
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unsigned long int u_regs[16];
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unsigned long int tstate;
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unsigned long int tpc;
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unsigned long int tnpc;
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unsigned int y;
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unsigned int magic;
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};
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static inline uintptr_t
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sigcontext_get_pc (const siginfo_t *ctx)
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{
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struct pt_regs *regs = (struct pt_regs*) ((siginfo_t *)(ctx) + 1);
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return regs->tpc;
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}
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#endif
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