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-rw-r--r--kernel/gcov/base.c84
1 files changed, 2 insertions, 82 deletions
diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index 9c7c8d5c18f2..799d42072727 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -22,88 +22,8 @@
22#include <linux/sched.h> 22#include <linux/sched.h>
23#include "gcov.h" 23#include "gcov.h"
24 24
25static int gcov_events_enabled; 25int gcov_events_enabled;
26static DEFINE_MUTEX(gcov_lock); 26DEFINE_MUTEX(gcov_lock);
27
28/*
29 * __gcov_init is called by gcc-generated constructor code for each object
30 * file compiled with -fprofile-arcs.
31 */
32void __gcov_init(struct gcov_info *info)
33{
34 static unsigned int gcov_version;
35
36 mutex_lock(&gcov_lock);
37 if (gcov_version == 0) {
38 gcov_version = gcov_info_version(info);
39 /*
40 * Printing gcc's version magic may prove useful for debugging
41 * incompatibility reports.
42 */
43 pr_info("version magic: 0x%x\n", gcov_version);
44 }
45 /*
46 * Add new profiling data structure to list and inform event
47 * listener.
48 */
49 gcov_info_link(info);
50 if (gcov_events_enabled)
51 gcov_event(GCOV_ADD, info);
52 mutex_unlock(&gcov_lock);
53}
54EXPORT_SYMBOL(__gcov_init);
55
56/*
57 * These functions may be referenced by gcc-generated profiling code but serve
58 * no function for kernel profiling.
59 */
60void __gcov_flush(void)
61{
62 /* Unused. */
63}
64EXPORT_SYMBOL(__gcov_flush);
65
66void __gcov_merge_add(gcov_type *counters, unsigned int n_counters)
67{
68 /* Unused. */
69}
70EXPORT_SYMBOL(__gcov_merge_add);
71
72void __gcov_merge_single(gcov_type *counters, unsigned int n_counters)
73{
74 /* Unused. */
75}
76EXPORT_SYMBOL(__gcov_merge_single);
77
78void __gcov_merge_delta(gcov_type *counters, unsigned int n_counters)
79{
80 /* Unused. */
81}
82EXPORT_SYMBOL(__gcov_merge_delta);
83
84void __gcov_merge_ior(gcov_type *counters, unsigned int n_counters)
85{
86 /* Unused. */
87}
88EXPORT_SYMBOL(__gcov_merge_ior);
89
90void __gcov_merge_time_profile(gcov_type *counters, unsigned int n_counters)
91{
92 /* Unused. */
93}
94EXPORT_SYMBOL(__gcov_merge_time_profile);
95
96void __gcov_merge_icall_topn(gcov_type *counters, unsigned int n_counters)
97{
98 /* Unused. */
99}
100EXPORT_SYMBOL(__gcov_merge_icall_topn);
101
102void __gcov_exit(void)
103{
104 /* Unused. */
105}
106EXPORT_SYMBOL(__gcov_exit);
107 27
108/** 28/**
109 * gcov_enable_events - enable event reporting through gcov_event() 29 * gcov_enable_events - enable event reporting through gcov_event()