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ARK-OS
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arkos
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kernel
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arch
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loongarch
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include
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asm
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uprobes.h

uprobes.h 927 B
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. #ifndef __ASM_LOONGARCH_UPROBES_H
    3. 

  3. #define __ASM_LOONGARCH_UPROBES_H
    4. 

  4. 

  5. #include <asm/inst.h>
    6. 

  6. 

  7. typedef u32 uprobe_opcode_t;
    8. 

  8. 

  9. #define MAX_UINSN_BYTES		8
    10. 

  10. #define UPROBE_XOL_SLOT_BYTES	MAX_UINSN_BYTES
    11. 

  11. 

  12. #define UPROBE_SWBP_INSN	__emit_break(BRK_UPROBE_BP)
    13. 

  13. #define UPROBE_SWBP_INSN_SIZE	LOONGARCH_INSN_SIZE
    14. 

  14. 

  15. #define UPROBE_XOLBP_INSN	__emit_break(BRK_UPROBE_XOLBP)
    16. 

  16. 

  17. struct arch_uprobe {
    18. 

  18. 	u32	insn[2];
    19. 

  19. 	u32	ixol[2];
    20. 

  20. 	bool	simulate;
    21. 

  21. };
    22. 

  22. 

  23. struct arch_uprobe_task {
    24. 

  24. 	unsigned long saved_trap_nr;
    25. 

  25. };
    26. 

  26. 

  27. #ifdef CONFIG_UPROBES
    28. 

  28. bool uprobe_breakpoint_handler(struct pt_regs *regs);
    29. 

  29. bool uprobe_singlestep_handler(struct pt_regs *regs);
    30. 

  30. #else /* !CONFIG_UPROBES */
    31. 

  31. static inline bool uprobe_breakpoint_handler(struct pt_regs *regs) { return false; }
    32. 

  32. static inline bool uprobe_singlestep_handler(struct pt_regs *regs) { return false; }
    33. 

  33. #endif /* CONFIG_UPROBES */
    34. 

  34. 

  35. #endif /* __ASM_LOONGARCH_UPROBES_H */
    36.