1d39f5450SChris Smith #ifndef __ASM_SH_KPROBES_H 2d39f5450SChris Smith #define __ASM_SH_KPROBES_H 3d39f5450SChris Smith 4d39f5450SChris Smith #ifdef CONFIG_KPROBES 5d39f5450SChris Smith 6d39f5450SChris Smith #include <linux/types.h> 7d39f5450SChris Smith #include <linux/ptrace.h> 8d39f5450SChris Smith 9d39f5450SChris Smith typedef u16 kprobe_opcode_t; 10d39f5450SChris Smith #define BREAKPOINT_INSTRUCTION 0xc3ff 11d39f5450SChris Smith 12d39f5450SChris Smith #define MAX_INSN_SIZE 16 13d39f5450SChris Smith #define MAX_STACK_SIZE 64 14d39f5450SChris Smith #define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \ 15d39f5450SChris Smith (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \ 16d39f5450SChris Smith ? (MAX_STACK_SIZE) \ 17d39f5450SChris Smith : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 18d39f5450SChris Smith 19d39f5450SChris Smith #define regs_return_value(regs) ((regs)->regs[0]) 20d39f5450SChris Smith #define flush_insn_slot(p) do { } while (0) 21d39f5450SChris Smith #define kretprobe_blacklist_size 0 22d39f5450SChris Smith 23d39f5450SChris Smith struct kprobe; 24d39f5450SChris Smith 25d39f5450SChris Smith void arch_remove_kprobe(struct kprobe *); 26d39f5450SChris Smith void kretprobe_trampoline(void); 27d39f5450SChris Smith void jprobe_return_end(void); 28d39f5450SChris Smith 29d39f5450SChris Smith /* Architecture specific copy of original instruction*/ 30d39f5450SChris Smith struct arch_specific_insn { 31d39f5450SChris Smith /* copy of the original instruction */ 32d39f5450SChris Smith kprobe_opcode_t insn[MAX_INSN_SIZE]; 33d39f5450SChris Smith }; 34d39f5450SChris Smith 35d39f5450SChris Smith struct prev_kprobe { 36d39f5450SChris Smith struct kprobe *kp; 37d39f5450SChris Smith unsigned long status; 38d39f5450SChris Smith }; 39d39f5450SChris Smith 40d39f5450SChris Smith /* per-cpu kprobe control block */ 41d39f5450SChris Smith struct kprobe_ctlblk { 42d39f5450SChris Smith unsigned long kprobe_status; 43d39f5450SChris Smith unsigned long jprobe_saved_r15; 44d39f5450SChris Smith struct pt_regs jprobe_saved_regs; 45d39f5450SChris Smith kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE]; 46d39f5450SChris Smith struct prev_kprobe prev_kprobe; 47d39f5450SChris Smith }; 48d39f5450SChris Smith 49037c10a6SPaul Mundt extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 50d39f5450SChris Smith extern int kprobe_exceptions_notify(struct notifier_block *self, 51d39f5450SChris Smith unsigned long val, void *data); 52d39f5450SChris Smith extern int kprobe_handle_illslot(unsigned long pc); 53d39f5450SChris Smith #else 54d39f5450SChris Smith 55d39f5450SChris Smith #define kprobe_handle_illslot(pc) (-1) 56d39f5450SChris Smith 57d39f5450SChris Smith #endif /* CONFIG_KPROBES */ 58d39f5450SChris Smith #endif /* __ASM_SH_KPROBES_H */ 59