summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--kernel/trace/trace_kprobe.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 6e86fbb..9ca44fc 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -723,9 +723,9 @@ static __kprobes void store_trace_args(int ent_size, struct trace_probe *tp,
}
/* Kprobe handler */
-static __kprobes void kprobe_trace_func(struct kprobe *kp, struct pt_regs *regs)
+static __kprobes void
+kprobe_trace_func(struct trace_probe *tp, struct pt_regs *regs)
{
- struct trace_probe *tp = container_of(kp, struct trace_probe, rp.kp);
struct kprobe_trace_entry_head *entry;
struct ring_buffer_event *event;
struct ring_buffer *buffer;
@@ -745,7 +745,7 @@ static __kprobes void kprobe_trace_func(struct kprobe *kp, struct pt_regs *regs)
return;
entry = ring_buffer_event_data(event);
- entry->ip = (unsigned long)kp->addr;
+ entry->ip = (unsigned long)tp->rp.kp.addr;
store_trace_args(sizeof(*entry), tp, regs, (u8 *)&entry[1], dsize);
if (!filter_current_check_discard(buffer, call, entry, event))
@@ -754,10 +754,10 @@ static __kprobes void kprobe_trace_func(struct kprobe *kp, struct pt_regs *regs)
}
/* Kretprobe handler */
-static __kprobes void kretprobe_trace_func(struct kretprobe_instance *ri,
- struct pt_regs *regs)
+static __kprobes void
+kretprobe_trace_func(struct trace_probe *tp, struct kretprobe_instance *ri,
+ struct pt_regs *regs)
{
- struct trace_probe *tp = container_of(ri->rp, struct trace_probe, rp);
struct kretprobe_trace_entry_head *entry;
struct ring_buffer_event *event;
struct ring_buffer *buffer;
@@ -973,10 +973,9 @@ static int set_print_fmt(struct trace_probe *tp)
#ifdef CONFIG_PERF_EVENTS
/* Kprobe profile handler */
-static __kprobes void kprobe_perf_func(struct kprobe *kp,
- struct pt_regs *regs)
+static __kprobes void
+kprobe_perf_func(struct trace_probe *tp, struct pt_regs *regs)
{
- struct trace_probe *tp = container_of(kp, struct trace_probe, rp.kp);
struct ftrace_event_call *call = &tp->call;
struct kprobe_trace_entry_head *entry;
struct hlist_head *head;
@@ -995,7 +994,7 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
if (!entry)
return;
- entry->ip = (unsigned long)kp->addr;
+ entry->ip = (unsigned long)tp->rp.kp.addr;
memset(&entry[1], 0, dsize);
store_trace_args(sizeof(*entry), tp, regs, (u8 *)&entry[1], dsize);
@@ -1005,10 +1004,10 @@ static __kprobes void kprobe_perf_func(struct kprobe *kp,
}
/* Kretprobe profile handler */
-static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
- struct pt_regs *regs)
+static __kprobes void
+kretprobe_perf_func(struct trace_probe *tp, struct kretprobe_instance *ri,
+ struct pt_regs *regs)
{
- struct trace_probe *tp = container_of(ri->rp, struct trace_probe, rp);
struct ftrace_event_call *call = &tp->call;
struct kretprobe_trace_entry_head *entry;
struct hlist_head *head;
@@ -1074,10 +1073,10 @@ int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs)
tp->nhit++;
if (tp->flags & TP_FLAG_TRACE)
- kprobe_trace_func(kp, regs);
+ kprobe_trace_func(tp, regs);
#ifdef CONFIG_PERF_EVENTS
if (tp->flags & TP_FLAG_PROFILE)
- kprobe_perf_func(kp, regs);
+ kprobe_perf_func(tp, regs);
#endif
return 0; /* We don't tweek kernel, so just return 0 */
}
@@ -1090,10 +1089,10 @@ int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs)
tp->nhit++;
if (tp->flags & TP_FLAG_TRACE)
- kretprobe_trace_func(ri, regs);
+ kretprobe_trace_func(tp, ri, regs);
#ifdef CONFIG_PERF_EVENTS
if (tp->flags & TP_FLAG_PROFILE)
- kretprobe_perf_func(ri, regs);
+ kretprobe_perf_func(tp, ri, regs);
#endif
return 0; /* We don't tweek kernel, so just return 0 */
}
OpenPOWER on IntegriCloud