1 files changed, 12 insertions, 0 deletions

diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index 3a5dd492588f..b0e40ff32ee0 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -64,6 +64,12 @@ typedef unsigned int kprobe_opcode_t;
                                 addr = *(kprobe_opcode_t **)addr;       \
                 } else if (name[0] != '.')                              \
                         addr = *(kprobe_opcode_t **)addr;               \
+        } else {                                                        \
+                char dot_name[KSYM_NAME_LEN+1];                         \
+                dot_name[0] = '.';                                      \
+                dot_name[1] = '\0';                                     \
+                strncat(dot_name, name, KSYM_NAME_LEN);                 \
+                addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \
         }                                                               \
 }
 
@@ -87,6 +93,11 @@ extern void arch_remove_kprobe(struct kprobe *p);
 struct arch_specific_insn {
         /* copy of original instruction */
         kprobe_opcode_t *insn;
+        /*
+         * Set in kprobes code, initially to 0. If the instruction can be
+         * eumulated, this is set to 1, if not, to -1.
+         */
+        int boostable;
 };
 
 struct prev_kprobe {
@@ -105,5 +116,6 @@ struct kprobe_ctlblk {
 
 extern int kprobe_exceptions_notify(struct notifier_block *self,
                                         unsigned long val, void *data);
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 #endif /* __KERNEL__ */
 #endif  /* _ASM_POWERPC_KPROBES_H */