arch/arm64/include/asm/perf_event.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2012 ARM Ltd.
   4  */
   5
   6 #ifndef __ASM_PERF_EVENT_H
   7 #define __ASM_PERF_EVENT_H
   8
   9 #include <asm/stack_pointer.h>
  10 #include <asm/ptrace.h>
  11
  12 #ifdef CONFIG_PERF_EVENTS
  13 struct pt_regs;
  14 extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
  15 extern unsigned long perf_misc_flags(struct pt_regs *regs);
  16 #define perf_misc_flags(regs)   perf_misc_flags(regs)
  17 #define perf_arch_bpf_user_pt_regs(regs) &regs->user_regs
  18 #endif
  19
  20 #define perf_arch_fetch_caller_regs(regs, __ip) { \
  21         (regs)->pc = (__ip);    \
  22         (regs)->regs[29] = (unsigned long) __builtin_frame_address(0); \
  23         (regs)->sp = current_stack_pointer; \
  24         (regs)->pstate = PSR_MODE_EL1h; \
  25 }
  26
  27 #endif