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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_LOONGARCH_UPROBES_H
#define __ASM_LOONGARCH_UPROBES_H
#include <asm/inst.h>
typedef u32 uprobe_opcode_t;
#define MAX_UINSN_BYTES 8
#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES
#define UPROBE_SWBP_INSN larch_insn_gen_break(BRK_UPROBE_BP)
#define UPROBE_SWBP_INSN_SIZE LOONGARCH_INSN_SIZE
#define UPROBE_XOLBP_INSN larch_insn_gen_break(BRK_UPROBE_XOLBP)
struct arch_uprobe {
unsigned long resume_era;
u32 insn[2];
u32 ixol[2];
bool simulate;
};
struct arch_uprobe_task {
unsigned long saved_trap_nr;
};
#ifdef CONFIG_UPROBES
bool uprobe_breakpoint_handler(struct pt_regs *regs);
bool uprobe_singlestep_handler(struct pt_regs *regs);
#else /* !CONFIG_UPROBES */
static inline bool uprobe_breakpoint_handler(struct pt_regs *regs) { return false; }
static inline bool uprobe_singlestep_handler(struct pt_regs *regs) { return false; }
#endif /* CONFIG_UPROBES */
#endif /* __ASM_LOONGARCH_UPROBES_H */