include/asm/kprobes.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002
0003 #ifndef __ASM_CSKY_KPROBES_H
0004 #define __ASM_CSKY_KPROBES_H
0005
0006 #include <asm-generic/kprobes.h>
0007
0008 #ifdef CONFIG_KPROBES
0009 #include <linux/types.h>
0010 #include <linux/ptrace.h>
0011 #include <linux/percpu.h>
0012
0013 #define __ARCH_WANT_KPROBES_INSN_SLOT
0014 #define MAX_INSN_SIZE           1
0015
0016 #define flush_insn_slot(p)      do { } while (0)
0017 #define kretprobe_blacklist_size    0
0018
0019 #include <asm/probes.h>
0020
0021 struct prev_kprobe {
0022     struct kprobe *kp;
0023     unsigned int status;
0024 };
0025
0026 /* Single step context for kprobe */
0027 struct kprobe_step_ctx {
0028     unsigned long ss_pending;
0029     unsigned long match_addr;
0030 };
0031
0032 /* per-cpu kprobe control block */
0033 struct kprobe_ctlblk {
0034     unsigned int kprobe_status;
0035     unsigned long saved_sr;
0036     struct prev_kprobe prev_kprobe;
0037     struct kprobe_step_ctx ss_ctx;
0038 };
0039
0040 void arch_remove_kprobe(struct kprobe *p);
0041 int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr);
0042 int kprobe_breakpoint_handler(struct pt_regs *regs);
0043 int kprobe_single_step_handler(struct pt_regs *regs);
0044 void __kretprobe_trampoline(void);
0045 void __kprobes *trampoline_probe_handler(struct pt_regs *regs);
0046
0047 #endif /* CONFIG_KPROBES */
0048 #endif /* __ASM_CSKY_KPROBES_H */