root@linaro-alip:~# nm /lib/libGLESv2.so | grep vg
000c0bd0 T __egl_mali_vg_post_to_pbuffer_surface
000d068c T __egl_vg_context_resize_acquire
000d07a8 T __egl_vg_context_resize_finish
000d071c T __egl_vg_context_resize_rollback
000d085c T __egl_vg_create_context
000d10cc T __egl_vg_create_pbuffer_from_client_buffer
000d1580 T __egl_vg_destroy_pbuffer_from_client_buffer
000d0dfc T __egl_vg_finish
000d0d18 T __egl_vg_flush
000d101c T __egl_vg_get_proc_address
000d0550 T __egl_vg_initialize
000d0a18 T __egl_vg_make_current
000d09b0 T __egl_vg_make_not_current
000d106c T __egl_vg_post_to_pbuffer_surface
000d096c T __egl_vg_release_context
000d0be4 T __egl_vg_remove_framebuilder_from_client_ctx
000d0834 T __egl_vg_set_egl_image_caps
000d0cd8 T __egl_vg_set_framebuilder
000d0ee0 T __egl_vg_setup_egl_image
000d05fc T __egl_vg_shutdown
000c665c T _egl_create_image_KHR_vg
         U _vg_context_resize_acquire
         U _vg_context_resize_finish
         U _vg_context_resize_rollback
         U _vg_create_context
         U _vg_create_global_context
         U _vg_destroy_context
         U _vg_destroy_global_context
         U _vg_finish
         U _vg_flush
         U _vg_get_parent
         U _vg_get_proc_address
         U _vg_image_deref
         U _vg_image_get_mali_surface
         U _vg_image_lock
         U _vg_image_match_egl_config
         U _vg_image_pbuffer_to_clientbuffer
         U _vg_image_ref
         U _vg_image_unlock
         U _vg_initialize
         U _vg_is_valid_image_handle
         U _vg_lock_image_ptrset
         U _vg_make_current
         U _vg_set_frame_builder
         U _vg_setup_egl_image
         U _vg_shutdown
         U _vg_unlock_image_ptrset
000d15dc T egl_linker_init_vg
000d21ac T egl_linker_verify_monolithic_vg