1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2014-2016 Pratyush Anand <panand@redhat.com> 4 */ 5 6 #ifndef _ASM_UPROBES_H 7 #define _ASM_UPROBES_H 8 9 #include <asm/debug-monitors.h> 10 #include <asm/insn.h> 11 #include <asm/probes.h> 12 13 #define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES) 14 #define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE 15 #define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE 16 17 typedef __le32 uprobe_opcode_t; 18 19 struct arch_uprobe_task { 20 }; 21 22 struct arch_uprobe { 23 union { 24 __le32 insn; 25 __le32 ixol; 26 }; 27 struct arch_probe_insn api; 28 bool simulate; 29 }; 30 31 int uprobe_brk_handler(struct pt_regs *regs, unsigned long esr); 32 #ifdef CONFIG_UPROBES 33 int uprobe_single_step_handler(struct pt_regs *regs, unsigned long esr); 34 #else 35 static inline int uprobe_single_step_handler(struct pt_regs *regs, 36 unsigned long esr) 37 { 38 return DBG_HOOK_ERROR; 39 } 40 #endif 41 42 #endif 43