arch/csky/include/asm/kprobes.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __ASM_CSKY_KPROBES_H
   4 #define __ASM_CSKY_KPROBES_H
   5
   6 #include <asm-generic/kprobes.h>
   7
   8 #ifdef CONFIG_KPROBES
   9 #include <linux/types.h>
  10 #include <linux/ptrace.h>
  11 #include <linux/percpu.h>
  12
  13 #define __ARCH_WANT_KPROBES_INSN_SLOT
  14 #define MAX_INSN_SIZE                   1
  15
  16 #define flush_insn_slot(p)              do { } while (0)
  17 #define kretprobe_blacklist_size        0
  18
  19 #include <asm/probes.h>
  20
  21 struct prev_kprobe {
  22         struct kprobe *kp;
  23         unsigned int status;
  24 };
  25
  26 /* Single step context for kprobe */
  27 struct kprobe_step_ctx {
  28         unsigned long ss_pending;
  29         unsigned long match_addr;
  30 };
  31
  32 /* per-cpu kprobe control block */
  33 struct kprobe_ctlblk {
  34         unsigned int kprobe_status;
  35         unsigned long saved_sr;
  36         struct prev_kprobe prev_kprobe;
  37         struct kprobe_step_ctx ss_ctx;
  38 };
  39
  40 void arch_remove_kprobe(struct kprobe *p);
  41 int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr);
  42 int kprobe_breakpoint_handler(struct pt_regs *regs);
  43 int kprobe_single_step_handler(struct pt_regs *regs);
  44 void kretprobe_trampoline(void);
  45 void __kprobes *trampoline_probe_handler(struct pt_regs *regs);
  46
  47 #endif /* CONFIG_KPROBES */
  48 #endif /* __ASM_CSKY_KPROBES_H */