#ifndef _ASM_POWERPC_KPROBES_H
#define _ASM_POWERPC_KPROBES_H
+#ifdef __KERNEL__
/*
* Kernel Probes (KProbes)
*
*/
#include <linux/types.h>
#include <linux/ptrace.h>
+#include <linux/percpu.h>
+
+#define __ARCH_WANT_KPROBES_INSN_SLOT
struct pt_regs;
+struct kprobe;
typedef unsigned int kprobe_opcode_t;
#define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */
#define ARCH_SUPPORTS_KRETPROBES
void kretprobe_trampoline(void);
+extern void arch_remove_kprobe(struct kprobe *p);
/* Architecture specific copy of original instruction */
struct arch_specific_insn {
kprobe_opcode_t *insn;
};
-#ifdef CONFIG_KPROBES
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+ unsigned long saved_msr;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+ unsigned long kprobe_status;
+ unsigned long kprobe_saved_msr;
+ struct pt_regs jprobe_saved_regs;
+ struct prev_kprobe prev_kprobe;
+};
+
extern int kprobe_exceptions_notify(struct notifier_block *self,
- unsigned long val, void *data);
-#else /* !CONFIG_KPROBES */
-static inline int kprobe_exceptions_notify(struct notifier_block *self,
- unsigned long val, void *data)
-{
- return 0;
-}
-#endif
+ unsigned long val, void *data);
+#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_KPROBES_H */