#ifndef _ASM_UPROBES_H
|
#define _ASM_UPROBES_H
|
/*
|
* User-space Probes (UProbes) for sparc
|
*
|
* Copyright (C) 2013 Oracle, Inc.
|
*
|
* This program is free software: you can redistribute it and/or modify
|
* it under the terms of the GNU General Public License as published by
|
* the Free Software Foundation, either version 2 of the License, or
|
* (at your option) any later version.
|
*
|
* This program is distributed in the hope that it will be useful,
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* GNU General Public License for more details.
|
*
|
* You should have received a copy of the GNU General Public License
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
*
|
* Authors:
|
* Jose E. Marchesi <jose.marchesi@oracle.com>
|
* Eric Saint Etienne <eric.saint.etienne@oracle.com>
|
*/
|
|
typedef u32 uprobe_opcode_t;
|
|
#define MAX_UINSN_BYTES 4
|
#define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES * 2)
|
|
#define UPROBE_SWBP_INSN_SIZE 4
|
#define UPROBE_SWBP_INSN 0x91d02073 /* ta 0x73 */
|
#define UPROBE_STP_INSN 0x91d02074 /* ta 0x74 */
|
|
#define ANNUL_BIT (1 << 29)
|
|
struct arch_uprobe {
|
union {
|
u8 insn[MAX_UINSN_BYTES];
|
u32 ixol;
|
};
|
};
|
|
struct arch_uprobe_task {
|
u64 saved_tpc;
|
u64 saved_tnpc;
|
};
|
|
struct task_struct;
|
struct notifier_block;
|
|
extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
|
extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
|
extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
|
extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
|
extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
|
extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
|
|
#endif /* _ASM_UPROBES_H */
|
