kprobes.h 1.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
  4. */
  5. #ifndef _ARC_KPROBES_H
  6. #define _ARC_KPROBES_H
  7. #include <asm-generic/kprobes.h>
  8. #ifdef CONFIG_KPROBES
  9. typedef u16 kprobe_opcode_t;
  10. #define UNIMP_S_INSTRUCTION 0x79e0
  11. #define TRAP_S_2_INSTRUCTION 0x785e
  12. #define MAX_INSN_SIZE 8
  13. #define MAX_STACK_SIZE 64
  14. struct arch_specific_insn {
  15. int is_short;
  16. kprobe_opcode_t *t1_addr, *t2_addr;
  17. kprobe_opcode_t t1_opcode, t2_opcode;
  18. };
  19. #define flush_insn_slot(p) do { } while (0)
  20. #define kretprobe_blacklist_size 0
  21. struct kprobe;
  22. void arch_remove_kprobe(struct kprobe *p);
  23. int kprobe_exceptions_notify(struct notifier_block *self,
  24. unsigned long val, void *data);
  25. struct prev_kprobe {
  26. struct kprobe *kp;
  27. unsigned long status;
  28. };
  29. struct kprobe_ctlblk {
  30. unsigned int kprobe_status;
  31. struct prev_kprobe prev_kprobe;
  32. };
  33. int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
  34. void __kretprobe_trampoline(void);
  35. void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
  36. #else
  37. #define trap_is_kprobe(address, regs)
  38. #endif /* CONFIG_KPROBES */
  39. #endif /* _ARC_KPROBES_H */