[thirdparty/linux.git] / arch / ia64 / kernel / sigframe.h

/* SPDX-License-Identifier: GPL-2.0 */
struct sigscratch {
	unsigned long scratch_unat;	/* ar.unat for the general registers saved in pt */
	unsigned long ar_pfs;		/* for syscalls, the user-level function-state  */
	struct pt_regs pt;
};

struct sigframe {
	/*
	 * Place signal handler args where user-level unwinder can find them easily.
	 * DO NOT MOVE THESE.  They are part of the IA-64 Linux ABI and there is
	 * user-level code that depends on their presence!
	 */
	unsigned long arg0;		/* signum */
	unsigned long arg1;		/* siginfo pointer */
	unsigned long arg2;		/* sigcontext pointer */
	/*
	 * End of architected state.
	 */

	void __user *handler;		/* pointer to the plabel of the signal handler */
	struct siginfo info;
	struct sigcontext sc;
};

extern void ia64_do_signal (struct sigscratch *, long);
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	struct sigscratch {
	3	unsigned long scratch_unat; /* ar.unat for the general registers saved in pt */
	4	unsigned long ar_pfs; /* for syscalls, the user-level function-state */
	5	struct pt_regs pt;
	6	};
	7
	8	struct sigframe {
	9	/*
	10	* Place signal handler args where user-level unwinder can find them easily.
	11	* DO NOT MOVE THESE. They are part of the IA-64 Linux ABI and there is
	12	* user-level code that depends on their presence!
	13	*/
	14	unsigned long arg0; /* signum */
	15	unsigned long arg1; /* siginfo pointer */
	16	unsigned long arg2; /* sigcontext pointer */
	17	/*
	18	* End of architected state.
	19	*/
	20
	21	void __user handler; / pointer to the plabel of the signal handler */
	22	struct siginfo info;
	23	struct sigcontext sc;
	24	};
	25
4a177cbf	26	extern void ia64_do_signal (struct sigscratch *, long);