1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2#ifndef _ASM_UPROBES_H
 3#define _ASM_UPROBES_H
 4/*
 5 * User-space Probes (UProbes) for sparc
 6 *
 7 * Copyright (C) 2013 Oracle, Inc.
 8 *
 9 * Authors:
10 *     Jose E. Marchesi <jose.marchesi@oracle.com>
11 *	Eric Saint Etienne <eric.saint.etienne@oracle.com>
12 */
13
14typedef u32 uprobe_opcode_t;
15
16#define MAX_UINSN_BYTES		4
17#define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES * 2)
18
19#define UPROBE_SWBP_INSN_SIZE	4
20#define UPROBE_SWBP_INSN	0x91d02073 /* ta 0x73 */
21#define UPROBE_STP_INSN		0x91d02074 /* ta 0x74 */
22
23#define ANNUL_BIT (1 << 29)
24
25struct arch_uprobe {
26	union {
27		u8  insn[MAX_UINSN_BYTES];
28		u32 ixol;
29	};
30};
31
32struct arch_uprobe_task {
33	u64 saved_tpc;
34	u64 saved_tnpc;
35};
36
37struct task_struct;
38struct notifier_block;
39
40extern int  arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
41extern int  arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
42extern int  arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
43extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
44extern int  arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
45extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
46
47#endif	/* _ASM_UPROBES_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2#ifndef _ASM_UPROBES_H
 3#define _ASM_UPROBES_H
 4/*
 5 * User-space Probes (UProbes) for sparc
 6 *
 7 * Copyright (C) 2013 Oracle, Inc.
 8 *
 9 * Authors:
10 *     Jose E. Marchesi <jose.marchesi@oracle.com>
11 *	Eric Saint Etienne <eric.saint.etienne@oracle.com>
12 */
13
14typedef u32 uprobe_opcode_t;
15
16#define MAX_UINSN_BYTES		4
17#define UPROBE_XOL_SLOT_BYTES	(MAX_UINSN_BYTES * 2)
18
19#define UPROBE_SWBP_INSN_SIZE	4
20#define UPROBE_SWBP_INSN	0x91d02073 /* ta 0x73 */
21#define UPROBE_STP_INSN		0x91d02074 /* ta 0x74 */
22
23#define ANNUL_BIT (1 << 29)
24
25struct arch_uprobe {
26	union {
27		u8  insn[MAX_UINSN_BYTES];
28		u32 ixol;
29	};
30};
31
32struct arch_uprobe_task {
33	u64 saved_tpc;
34	u64 saved_tnpc;
35};
36
37struct task_struct;
38struct notifier_block;
39
40extern int  arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
41extern int  arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
42extern int  arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
43extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
44extern int  arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
45extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
46
47#endif	/* _ASM_UPROBES_H */