include/asm-sparc64/kprobes.h

   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 JPROBE_ENTRY(pentry)    (kprobe_opcode_t *)pentry
  14 #define arch_remove_kprobe(p)   do {} while (0)
  15 #define  ARCH_INACTIVE_KPROBE_COUNT 0
  16 #define flush_insn_slot(p)      do { } while (0)
  17
  18 /* Architecture specific copy of original instruction*/
  19 struct arch_specific_insn {
  20         /* copy of the original instruction */
  21         kprobe_opcode_t insn[MAX_INSN_SIZE];
  22 };
  23
  24 struct prev_kprobe {
  25         struct kprobe *kp;
  26         unsigned int status;
  27         unsigned long orig_tnpc;
  28         unsigned long orig_tstate_pil;
  29 };
  30
  31 /* per-cpu kprobe control block */
  32 struct kprobe_ctlblk {
  33         unsigned long kprobe_status;
  34         unsigned long kprobe_orig_tnpc;
  35         unsigned long kprobe_orig_tstate_pil;
  36         long *jprobe_saved_esp;
  37         struct pt_regs jprobe_saved_regs;
  38         struct pt_regs *jprobe_saved_regs_location;
  39         struct sparc_stackf jprobe_saved_stack;
  40         struct prev_kprobe prev_kprobe;
  41 };
  42
  43 extern int kprobe_exceptions_notify(struct notifier_block *self,
  44                                     unsigned long val, void *data);
  45 #endif /* _SPARC64_KPROBES_H */