1 #ifndef _ASM_UPROBES_H 2 #define _ASM_UPROBES_H 3 /* 4 * User-space Probes (UProbes) for powerpc 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 * 20 * Copyright IBM Corporation, 2007-2012 21 * 22 * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com> 23 */ 24 25 #include <linux/notifier.h> 26 #include <asm/probes.h> 27 28 typedef ppc_opcode_t uprobe_opcode_t; 29 30 #define MAX_UINSN_BYTES 4 31 #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES) 32 33 /* The following alias is needed for reference from arch-agnostic code */ 34 #define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION 35 #define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */ 36 37 struct arch_uprobe { 38 union { 39 u32 insn; 40 u32 ixol; 41 }; 42 }; 43 44 struct arch_uprobe_task { 45 unsigned long saved_trap_nr; 46 }; 47 48 #endif /* _ASM_UPROBES_H */ 49