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authorDamjan Marion <damarion@cisco.com>2018-08-10 22:39:11 +0200
committerDamjan Marion <dmarion@me.com>2018-08-13 14:33:54 +0000
commit6e36351faf5b69a0bfb8235b3b06f8b2c24e5547 (patch)
tree512c92bda1a48604fbfbc7bbbb1e4b613cdba614 /src/vnet/interface.h
parent3bf6c2bfe59be62169a1245340722481b0b53870 (diff)
Multiarch handling in different constructor macros
This significantly reduces need for ... in multiarch code. Simply constructor macros will jost create static unused entry if CLIB_MARCH_VARIANT is defined and that will be optimized out by compiler. Change-Id: I17d1c4ac0c903adcfadaa4a07de1b854c7ab14ac Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/interface.h')
-rw-r--r--src/vnet/interface.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index e9adfe84cbf..b34d19c55ef 100644
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -108,6 +108,7 @@ typedef struct _vnet_interface_function_list_elt
clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
} _vnet_interface_function_list_elt_t;
+#ifndef CLIB_MARCH_VARIANT
#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
\
static void __vnet_interface_function_init_##tag##_##f (void) \
@@ -146,6 +147,12 @@ static void __vnet_interface_function_deinit_##tag##_##f (void) \
next = next->next_interface_function; \
} \
}
+#else
+/* create unused pointer to silence compiler warnings and get whole
+ function optimized out */
+#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p) \
+static __clib_unused void * __clib_unused_##f = f;
+#endif
#define _VNET_INTERFACE_FUNCTION_DECL(f,tag) \
_VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
@@ -248,6 +255,7 @@ typedef struct _vnet_device_class
vnet_interface_set_mac_address_function_t *mac_addr_change_function;
} vnet_device_class_t;
+#ifndef CLIB_MARCH_VARIANT
#define VNET_DEVICE_CLASS(x,...) \
__VA_ARGS__ vnet_device_class_t x; \
static void __vnet_add_device_class_registration_##x (void) \
@@ -267,6 +275,12 @@ static void __vnet_rm_device_class_registration_##x (void) \
&x, next_class_registration); \
} \
__VA_ARGS__ vnet_device_class_t x
+#else
+/* create unused pointer to silence compiler warnings and get whole
+ function optimized out */
+#define VNET_DEVICE_CLASS(x,...) \
+static __clib_unused vnet_device_class_t __clib_unused_##x
+#endif
#define VNET_DEVICE_CLASS_TX_FN(devclass) \
uword CLIB_MARCH_SFX (devclass##_tx_fn)(); \