[PATCH v6 02/14] ARM: move shared uprobe/kprobe definitions into new include file

From: David Long
Date: Mon Feb 10 2014 - 02:39:32 EST


From: "David A. Long" <dave.long@xxxxxxxxxx>

Separate the kprobe-only definitions from the definitions needed by
both kprobes and uprobes.

Signed-off-by: David A. Long <dave.long@xxxxxxxxxx>
Acked-by: Jon Medhurst <tixy@xxxxxxxxxx>
---
arch/arm/include/asm/kprobes.h | 15 +---------
arch/arm/include/asm/{kprobes.h => probes.h} | 44 +++++-----------------------
2 files changed, 8 insertions(+), 51 deletions(-)
copy arch/arm/include/asm/{kprobes.h => probes.h} (52%)

diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h
index f82ec22..30fc11b 100644
--- a/arch/arm/include/asm/kprobes.h
+++ b/arch/arm/include/asm/kprobes.h
@@ -28,21 +28,8 @@
#define kretprobe_blacklist_size 0

typedef u32 kprobe_opcode_t;
-
struct kprobe;
-typedef void (kprobe_insn_handler_t)(struct kprobe *, struct pt_regs *);
-typedef unsigned long (kprobe_check_cc)(unsigned long);
-typedef void (kprobe_insn_singlestep_t)(struct kprobe *, struct pt_regs *);
-typedef void (kprobe_insn_fn_t)(void);
-
-/* Architecture specific copy of original instruction. */
-struct arch_specific_insn {
- kprobe_opcode_t *insn;
- kprobe_insn_handler_t *insn_handler;
- kprobe_check_cc *insn_check_cc;
- kprobe_insn_singlestep_t *insn_singlestep;
- kprobe_insn_fn_t *insn_fn;
-};
+#include <asm/probes.h>

struct prev_kprobe {
struct kprobe *kp;
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/probes.h
similarity index 52%
copy from arch/arm/include/asm/kprobes.h
copy to arch/arm/include/asm/probes.h
index f82ec22..90c5f54 100644
--- a/arch/arm/include/asm/kprobes.h
+++ b/arch/arm/include/asm/probes.h
@@ -1,5 +1,8 @@
/*
- * arch/arm/include/asm/kprobes.h
+ * arch/arm/include/asm/probes.h
+ *
+ * Original contents copied from arch/arm/include/asm/kprobes.h
+ * which contains the following notice...
*
* Copyright (C) 2006, 2007 Motorola Inc.
*
@@ -13,23 +16,9 @@
* General Public License for more details.
*/

-#ifndef _ARM_KPROBES_H
-#define _ARM_KPROBES_H
-
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/percpu.h>
-
-#define __ARCH_WANT_KPROBES_INSN_SLOT
-#define MAX_INSN_SIZE 2
-#define MAX_STACK_SIZE 64 /* 32 would probably be OK */
+#ifndef _ASM_PROBES_H
+#define _ASM_PROBES_H

-#define flush_insn_slot(p) do { } while (0)
-#define kretprobe_blacklist_size 0
-
-typedef u32 kprobe_opcode_t;
-
-struct kprobe;
typedef void (kprobe_insn_handler_t)(struct kprobe *, struct pt_regs *);
typedef unsigned long (kprobe_check_cc)(unsigned long);
typedef void (kprobe_insn_singlestep_t)(struct kprobe *, struct pt_regs *);
@@ -44,23 +33,4 @@ struct arch_specific_insn {
kprobe_insn_fn_t *insn_fn;
};

-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);
-
-
-#endif /* _ARM_KPROBES_H */
+#endif
--
1.8.1.2

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