arch/sparc/include/asm/kprobes.h

   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 */