1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * User-space Probes (UProbes) for s390 4 * 5 * Copyright IBM Corp. 2014 6 * Author(s): Jan Willeke, 7 */ 8 9 #ifndef _ASM_UPROBES_H 10 #define _ASM_UPROBES_H 11 12 #include <linux/notifier.h> 13 14 typedef u16 uprobe_opcode_t; 15 16 #define UPROBE_XOL_SLOT_BYTES 256 /* cache aligned */ 17 18 #define UPROBE_SWBP_INSN 0x0002 19 #define UPROBE_SWBP_INSN_SIZE 2 20 21 struct arch_uprobe { 22 union{ 23 uprobe_opcode_t insn[3]; 24 uprobe_opcode_t ixol[3]; 25 }; 26 unsigned int saved_per : 1; 27 unsigned int saved_int_code; 28 }; 29 30 struct arch_uprobe_task { 31 }; 32 33 #endif /* _ASM_UPROBES_H */ 34