/* SPDX-License-Identifier: GPL-2.0 */
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struct sigscratch {
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unsigned long scratch_unat; /* ar.unat for the general registers saved in pt */
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unsigned long ar_pfs; /* for syscalls, the user-level function-state */
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struct pt_regs pt;
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};
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struct sigframe {
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/*
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* Place signal handler args where user-level unwinder can find them easily.
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* DO NOT MOVE THESE. They are part of the IA-64 Linux ABI and there is
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* user-level code that depends on their presence!
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*/
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unsigned long arg0; /* signum */
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unsigned long arg1; /* siginfo pointer */
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unsigned long arg2; /* sigcontext pointer */
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/*
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* End of architected state.
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*/
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void __user *handler; /* pointer to the plabel of the signal handler */
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struct siginfo info;
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struct sigcontext sc;
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};
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extern void ia64_do_signal (struct sigscratch *, long);
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