1 /* 2 * Copyright (C) 2012 ARM Ltd. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef __ASM_PERF_EVENT_H 18 #define __ASM_PERF_EVENT_H 19 20 #ifdef CONFIG_PERF_EVENTS 21 struct pt_regs; 22 extern unsigned long perf_instruction_pointer(struct pt_regs *regs); 23 extern unsigned long perf_misc_flags(struct pt_regs *regs); 24 #define perf_misc_flags(regs) perf_misc_flags(regs) 25 #endif 26 27 #define perf_arch_fetch_caller_regs(regs, __ip) { \ 28 (regs)->pc = (__ip); \ 29 (regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \ 30 (regs)->sp = current_stack_pointer; \ 31 (regs)->pstate = PSR_MODE_EL1h; \ 32 } 33 34 #endif 35