1a439fe51SSam Ravnborg #ifndef _SPARC64_KPROBES_H 2a439fe51SSam Ravnborg #define _SPARC64_KPROBES_H 3a439fe51SSam Ravnborg 4a439fe51SSam Ravnborg #include <linux/types.h> 5a439fe51SSam Ravnborg #include <linux/percpu.h> 6a439fe51SSam Ravnborg 7a439fe51SSam Ravnborg typedef u32 kprobe_opcode_t; 8a439fe51SSam Ravnborg 9a439fe51SSam Ravnborg #define BREAKPOINT_INSTRUCTION 0x91d02070 /* ta 0x70 */ 10a439fe51SSam Ravnborg #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ 11a439fe51SSam Ravnborg #define MAX_INSN_SIZE 2 12a439fe51SSam Ravnborg 13a439fe51SSam Ravnborg #define kretprobe_blacklist_size 0 14a439fe51SSam Ravnborg 15a439fe51SSam Ravnborg #define arch_remove_kprobe(p) do {} while (0) 16a439fe51SSam Ravnborg 17a439fe51SSam Ravnborg #define flush_insn_slot(p) \ 18a439fe51SSam Ravnborg do { flushi(&(p)->ainsn.insn[0]); \ 19a439fe51SSam Ravnborg flushi(&(p)->ainsn.insn[1]); \ 20a439fe51SSam Ravnborg } while (0) 21a439fe51SSam Ravnborg 22a439fe51SSam Ravnborg void kretprobe_trampoline(void); 23a439fe51SSam Ravnborg 24a439fe51SSam Ravnborg /* Architecture specific copy of original instruction*/ 25a439fe51SSam Ravnborg struct arch_specific_insn { 26a439fe51SSam Ravnborg /* copy of the original instruction */ 27a439fe51SSam Ravnborg kprobe_opcode_t insn[MAX_INSN_SIZE]; 28a439fe51SSam Ravnborg }; 29a439fe51SSam Ravnborg 30a439fe51SSam Ravnborg struct prev_kprobe { 31a439fe51SSam Ravnborg struct kprobe *kp; 32a439fe51SSam Ravnborg unsigned long status; 33a439fe51SSam Ravnborg unsigned long orig_tnpc; 34a439fe51SSam Ravnborg unsigned long orig_tstate_pil; 35a439fe51SSam Ravnborg }; 36a439fe51SSam Ravnborg 37a439fe51SSam Ravnborg /* per-cpu kprobe control block */ 38a439fe51SSam Ravnborg struct kprobe_ctlblk { 39a439fe51SSam Ravnborg unsigned long kprobe_status; 40a439fe51SSam Ravnborg unsigned long kprobe_orig_tnpc; 41a439fe51SSam Ravnborg unsigned long kprobe_orig_tstate_pil; 42a439fe51SSam Ravnborg struct pt_regs jprobe_saved_regs; 43a439fe51SSam Ravnborg struct prev_kprobe prev_kprobe; 44a439fe51SSam Ravnborg }; 45a439fe51SSam Ravnborg 46a439fe51SSam Ravnborg extern int kprobe_exceptions_notify(struct notifier_block *self, 47a439fe51SSam Ravnborg unsigned long val, void *data); 48a439fe51SSam Ravnborg extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); 49a439fe51SSam Ravnborg #endif /* _SPARC64_KPROBES_H */ 50