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Subject[PATCH 11/46] kernel: Add prototype declaration in kernel/gcov/base.c
Add prototype declarations of functions in kernel/gcov/base.c. These
functions are required by GCC builtins and hence can not be removed
despite of their unreferenced appearance in kernel source.

This eliminates the following warning in kernel/gcov/base.c:
kernel/gcov/base.c:30:6: warning: no previous prototype for ‘__gcov_init’ [-Wmissing-prototypes]
kernel/gcov/base.c:58:6: warning: no previous prototype for ‘__gcov_flush’ [-Wmissing-prototypes]
kernel/gcov/base.c:64:6: warning: no previous prototype for ‘__gcov_merge_add’ [-Wmissing-prototypes]
kernel/gcov/base.c:70:6: warning: no previous prototype for ‘__gcov_merge_single’ [-Wmissing-prototypes]
kernel/gcov/base.c:76:6: warning: no previous prototype for‘__gcov_merge_delta’ [-Wmissing-prototypes]
kernel/gcov/base.c:82:6: warning: no previous prototype for ‘__gcov_merge_ior’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
---
kernel/gcov/base.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index f45b75b..c0cb53a 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -27,6 +27,7 @@ static DEFINE_MUTEX(gcov_lock);
* __gcov_init is called by gcc-generated constructor code for each object
* file compiled with -fprofile-arcs.
*/
+void __gcov_init(struct gcov_info *info);
void __gcov_init(struct gcov_info *info)
{
static unsigned int gcov_version;
@@ -55,30 +56,35 @@ EXPORT_SYMBOL(__gcov_init);
* These functions may be referenced by gcc-generated profiling code but serve
* no function for kernel profiling.
*/
+void __gcov_flush(void);
void __gcov_flush(void)
{
/* Unused. */
}
EXPORT_SYMBOL(__gcov_flush);

+void __gcov_merge_add(gcov_type *counters, unsigned int n_counters);
void __gcov_merge_add(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
EXPORT_SYMBOL(__gcov_merge_add);

+void __gcov_merge_single(gcov_type *counters, unsigned int n_counters);
void __gcov_merge_single(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
EXPORT_SYMBOL(__gcov_merge_single);

+void __gcov_merge_delta(gcov_type *counters, unsigned int n_counters);
void __gcov_merge_delta(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
}
EXPORT_SYMBOL(__gcov_merge_delta);

+void __gcov_merge_ior(gcov_type *counters, unsigned int n_counters);
void __gcov_merge_ior(gcov_type *counters, unsigned int n_counters)
{
/* Unused. */
--
1.7.9.5
--
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