xl: Use gcc hidden visibility attribute

This kills off about 1,000 PLT entries speeding up link time and shaving about
1-2KB off of binary size. It also prevents users of the library erroneously
calling libxl internal functions.

Signed-off-by: Gianni Tedesco <gianni.tedesco@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/tools/libxl/flexarray.h b/tools/libxl/flexarray.h
index 70e4c1aad3..a2234b2bbe 100644
--- a/tools/libxl/flexarray.h
+++ b/tools/libxl/flexarray.h
@@ -22,12 +22,12 @@ typedef struct flexarray {
     void **data; /* array of pointer */
 } flexarray_t;
 
-flexarray_t *flexarray_make(int size, int autogrow);
-void flexarray_free(flexarray_t *array);
-int flexarray_grow(flexarray_t *array, int extents);
-int flexarray_set(flexarray_t *array, unsigned int index, void *ptr);
-int flexarray_get(flexarray_t *array, int index, void **ptr);
+_hidden flexarray_t *flexarray_make(int size, int autogrow);
+_hidden void flexarray_free(flexarray_t *array);
+_hidden int flexarray_grow(flexarray_t *array, int extents);
+_hidden int flexarray_set(flexarray_t *array, unsigned int index, void *ptr);
+_hidden int flexarray_get(flexarray_t *array, int index, void **ptr);
 
-void **flexarray_contents(flexarray_t *array);
+_hidden void **flexarray_contents(flexarray_t *array);
 
 #endif