1 files changed, 29 insertions, 0 deletions

diff --git a/include/asm-arm/kprobes.h b/include/asm-arm/kprobes.h
index 951322328793..273f37413ee6 100644
--- a/include/asm-arm/kprobes.h
+++ b/include/asm-arm/kprobes.h
@@ -18,6 +18,16 @@
 
 #include <linux/types.h>
 #include <linux/ptrace.h>
+#include <linux/percpu.h>
+
+#define ARCH_SUPPORTS_KRETPROBES
+#define __ARCH_WANT_KPROBES_INSN_SLOT
+#define MAX_INSN_SIZE                   2
+#define MAX_STACK_SIZE                  64      /* 32 would probably be OK */
+
+#define regs_return_value(regs)         ((regs)->ARM_r0)
+#define flush_insn_slot(p)              do { } while (0)
+#define kretprobe_blacklist_size        0
 
 typedef u32 kprobe_opcode_t;
 
@@ -30,6 +40,25 @@ struct arch_specific_insn {
         kprobe_insn_handler_t   *insn_handler;
 };
 
+struct prev_kprobe {
+        struct kprobe *kp;
+        unsigned int status;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+        unsigned int kprobe_status;
+        struct prev_kprobe prev_kprobe;
+        struct pt_regs jprobe_saved_regs;
+        char jprobes_stack[MAX_STACK_SIZE];
+};
+
+void arch_remove_kprobe(struct kprobe *);
+
+int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr);
+int kprobe_exceptions_notify(struct notifier_block *self,
+                             unsigned long val, void *data);
+
 enum kprobe_insn {
         INSN_REJECTED,
         INSN_GOOD,