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