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 */ 49