arch/csky/include/asm/uprobes.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __ASM_CSKY_UPROBES_H
   4 #define __ASM_CSKY_UPROBES_H
   5
   6 #include <asm/probes.h>
   7
   8 #define MAX_UINSN_BYTES         4
   9
  10 #define UPROBE_SWBP_INSN        USR_BKPT
  11 #define UPROBE_SWBP_INSN_SIZE   2
  12 #define UPROBE_XOL_SLOT_BYTES   MAX_UINSN_BYTES
  13
  14 typedef u32 uprobe_opcode_t;
  15
  16 struct arch_uprobe_task {
  17         unsigned long   saved_trap_no;
  18 };
  19
  20 struct arch_uprobe {
  21         union {
  22                 u8 insn[MAX_UINSN_BYTES];
  23                 u8 ixol[MAX_UINSN_BYTES];
  24         };
  25         struct arch_probe_insn api;
  26         unsigned long insn_size;
  27         bool simulate;
  28 };
  29
  30 int uprobe_breakpoint_handler(struct pt_regs *regs);
  31 int uprobe_single_step_handler(struct pt_regs *regs);
  32
  33 #endif /* __ASM_CSKY_UPROBES_H */