1 #ifndef _SPARC64_KPROBES_H 2 #define _SPARC64_KPROBES_H 3 4 #include <asm-generic/kprobes.h> 5 6 #define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */ 7 #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ 8 9 #ifdef CONFIG_KPROBES 10 #include <linux/types.h> 11 #include <linux/percpu.h> 12 13 typedef u32 kprobe_opcode_t; 14 15 #define MAX_INSN_SIZE 2 16 17 #define kretprobe_blacklist_size 0 18 19 #define arch_remove_kprobe(p) do {} while (0) 20 21 #define flush_insn_slot(p) \ 22 do { flushi(&(p)->ainsn.insn[0]); \ 23 flushi(&(p)->ainsn.insn[1]); \ 24 } while (0) 25 26 void kretprobe_trampoline(void); 27 28 /* Architecture specific copy of original instruction*/ 29 struct arch_specific_insn { 30 /* copy of the original instruction */ 31 kprobe_opcode_t insn[MAX_INSN_SIZE]; 32 }; 33 34 struct prev_kprobe { 35 struct kprobe *kp; 36 unsigned long status; 37 unsigned long orig_tnpc; 38 unsigned long orig_tstate_pil; 39 }; 40 41 /* per-cpu kprobe control block */ 42 struct kprobe_ctlblk { 43 unsigned long kprobe_status; 44 unsigned long kprobe_orig_tnpc; 45 unsigned long kprobe_orig_tstate_pil; 46 struct pt_regs jprobe_saved_regs; 47 struct prev_kprobe prev_kprobe; 48 }; 49 50 int kprobe_exceptions_notify(struct notifier_block *self, 51 unsigned long val, void *data); 52 int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 53 asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, 54 struct pt_regs *regs); 55 56 #endif /* CONFIG_KPROBES */ 57 #endif /* _SPARC64_KPROBES_H */ 58