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-rw-r--r--include/asm-x86_64/kprobes.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-x86_64/kprobes.h b/include/asm-x86_64/kprobes.h
index 6d6d883fdf6d..4dd7a7e148d4 100644
--- a/include/asm-x86_64/kprobes.h
+++ b/include/asm-x86_64/kprobes.h
@@ -25,6 +25,7 @@
25 */ 25 */
26#include <linux/types.h> 26#include <linux/types.h>
27#include <linux/ptrace.h> 27#include <linux/ptrace.h>
28#include <linux/percpu.h>
28 29
29struct pt_regs; 30struct pt_regs;
30 31
@@ -48,6 +49,24 @@ struct arch_specific_insn {
48 kprobe_opcode_t *insn; 49 kprobe_opcode_t *insn;
49}; 50};
50 51
52struct prev_kprobe {
53 struct kprobe *kp;
54 unsigned long status;
55 unsigned long old_rflags;
56 unsigned long saved_rflags;
57};
58
59/* per-cpu kprobe control block */
60struct kprobe_ctlblk {
61 unsigned long kprobe_status;
62 unsigned long kprobe_old_rflags;
63 unsigned long kprobe_saved_rflags;
64 long *jprobe_saved_rsp;
65 struct pt_regs jprobe_saved_regs;
66 kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
67 struct prev_kprobe prev_kprobe;
68};
69
51/* trap3/1 are intr gates for kprobes. So, restore the status of IF, 70/* trap3/1 are intr gates for kprobes. So, restore the status of IF,
52 * if necessary, before executing the original int3/1 (trap) handler. 71 * if necessary, before executing the original int3/1 (trap) handler.
53 */ 72 */