crypto crypto-openssl: support hashing operations
[vpp.git] / src / vlib / init.h
index f163ee2..e623565 100644 (file)
@@ -54,6 +54,10 @@ typedef struct _vlib_init_function_list_elt
 {
   struct _vlib_init_function_list_elt *next_init_function;
   vlib_init_function_t *f;
+  char *name;
+  char **runs_before;
+  char **runs_after;
+  char **init_order;
 } _vlib_init_function_list_elt_t;
 
 /* Configuration functions: called with configuration input just before
@@ -115,43 +119,55 @@ typedef struct vlib_config_function_runtime_t
 /* Declaration is global (e.g. not static) so that init functions can
    be called from other modules to resolve init function depend. */
 
+#ifndef CLIB_MARCH_VARIANT
+#define VLIB_DECLARE_INIT_FUNCTION(x, tag)                                    \
+  vlib_init_function_t *_VLIB_INIT_FUNCTION_SYMBOL (x, tag) = x;              \
+  static void __vlib_add_##tag##_function_##x (void)                          \
+    __attribute__ ((__constructor__));                                        \
+  static _vlib_init_function_list_elt_t _vlib_init_function_##tag##_##x;      \
+  static void __vlib_add_##tag##_function_##x (void)                          \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    _vlib_init_function_##tag##_##x.next_init_function =                      \
+      vgm->tag##_function_registrations;                                      \
+    vgm->tag##_function_registrations = &_vlib_init_function_##tag##_##x;     \
+    _vlib_init_function_##tag##_##x.f = &x;                                   \
+    _vlib_init_function_##tag##_##x.name = #x;                                \
+  }                                                                           \
+  static void __vlib_rm_##tag##_function_##x (void)                           \
+    __attribute__ ((__destructor__));                                         \
+  static void __vlib_rm_##tag##_function_##x (void)                           \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    _vlib_init_function_list_elt_t *this, *prev;                              \
+    this = vgm->tag##_function_registrations;                                 \
+    if (this == 0)                                                            \
+      return;                                                                 \
+    if (this->f == &x)                                                        \
+      {                                                                       \
+       vgm->tag##_function_registrations = this->next_init_function;         \
+       return;                                                               \
+      }                                                                       \
+    prev = this;                                                              \
+    this = this->next_init_function;                                          \
+    while (this)                                                              \
+      {                                                                       \
+       if (this->f == &x)                                                    \
+         {                                                                   \
+           prev->next_init_function = this->next_init_function;              \
+           return;                                                           \
+         }                                                                   \
+       prev = this;                                                          \
+       this = this->next_init_function;                                      \
+      }                                                                       \
+  }                                                                           \
+  static _vlib_init_function_list_elt_t _vlib_init_function_##tag##_##x
+#else
+/* create unused pointer to silence compiler warnings and get whole
+   function optimized out */
 #define VLIB_DECLARE_INIT_FUNCTION(x, tag)                      \
-vlib_init_function_t * _VLIB_INIT_FUNCTION_SYMBOL (x, tag) = x; \
-static void __vlib_add_##tag##_function_##x (void)              \
-    __attribute__((__constructor__)) ;                          \
-static void __vlib_add_##tag##_function_##x (void)              \
-{                                                               \
- vlib_main_t * vm = vlib_get_main();                            \
- static _vlib_init_function_list_elt_t _vlib_init_function;     \
- _vlib_init_function.next_init_function                         \
-    = vm->tag##_function_registrations;                         \
-  vm->tag##_function_registrations = &_vlib_init_function;      \
- _vlib_init_function.f = &x;                                    \
-}                                                               \
-static void __vlib_rm_##tag##_function_##x (void)               \
-    __attribute__((__destructor__)) ;                           \
-static void __vlib_rm_##tag##_function_##x (void)               \
-{                                                               \
-  vlib_main_t * vm = vlib_get_main();                           \
-  _vlib_init_function_list_elt_t *next;                         \
-  if (vm->tag##_function_registrations->f == &x)                \
-    {                                                           \
-      vm->tag##_function_registrations =                        \
-        vm->tag##_function_registrations->next_init_function;   \
-      return;                                                   \
-    }                                                           \
-  next = vm->tag##_function_registrations;                      \
-  while (next->next_init_function)                              \
-    {                                                           \
-      if (next->next_init_function->f == &x)                    \
-        {                                                       \
-          next->next_init_function =                            \
-            next->next_init_function->next_init_function;       \
-          return;                                               \
-        }                                                       \
-      next = next->next_init_function;                          \
-    }                                                           \
-}
+static __clib_unused void * __clib_unused_##tag##_##x = x
+#endif
 
 #define VLIB_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,init)
 #define VLIB_WORKER_INIT_FUNCTION(x) VLIB_DECLARE_INIT_FUNCTION(x,worker_init)
@@ -161,117 +177,150 @@ static void __vlib_rm_##tag##_function_##x (void)               \
 #define VLIB_MAIN_LOOP_EXIT_FUNCTION(x) \
 VLIB_DECLARE_INIT_FUNCTION(x,main_loop_exit)
 
+#ifndef CLIB_MARCH_VARIANT
+#define VLIB_CONFIG_FUNCTION(x, n, ...)                                       \
+  __VA_ARGS__ vlib_config_function_runtime_t VLIB_CONFIG_FUNCTION_SYMBOL (x); \
+  static void __vlib_add_config_function_##x (void)                           \
+    __attribute__ ((__constructor__));                                        \
+  static void __vlib_add_config_function_##x (void)                           \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    VLIB_CONFIG_FUNCTION_SYMBOL (x).next_registration =                       \
+      vgm->config_function_registrations;                                     \
+    vgm->config_function_registrations = &VLIB_CONFIG_FUNCTION_SYMBOL (x);    \
+  }                                                                           \
+  static void __vlib_rm_config_function_##x (void)                            \
+    __attribute__ ((__destructor__));                                         \
+  static void __vlib_rm_config_function_##x (void)                            \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    vlib_config_function_runtime_t *p = &VLIB_CONFIG_FUNCTION_SYMBOL (x);     \
+    VLIB_REMOVE_FROM_LINKED_LIST (vgm->config_function_registrations, p,      \
+                                 next_registration);                         \
+  }                                                                           \
+  vlib_config_function_runtime_t VLIB_CONFIG_FUNCTION_SYMBOL (x) = {          \
+    .name = n,                                                                \
+    .function = x,                                                            \
+    .is_early = 0,                                                            \
+  }
+#else
+/* create unused pointer to silence compiler warnings and get whole
+   function optimized out */
 #define VLIB_CONFIG_FUNCTION(x,n,...)                           \
-    __VA_ARGS__ vlib_config_function_runtime_t                  \
-    VLIB_CONFIG_FUNCTION_SYMBOL(x);                             \
-static void __vlib_add_config_function_##x (void)               \
-    __attribute__((__constructor__)) ;                          \
-static void __vlib_add_config_function_##x (void)               \
-{                                                               \
-    vlib_main_t * vm = vlib_get_main();                         \
-    VLIB_CONFIG_FUNCTION_SYMBOL(x).next_registration            \
-       = vm->config_function_registrations;                     \
-    vm->config_function_registrations                           \
-       = &VLIB_CONFIG_FUNCTION_SYMBOL(x);                       \
-}                                                               \
-static void __vlib_rm_config_function_##x (void)                \
-    __attribute__((__destructor__)) ;                           \
-static void __vlib_rm_config_function_##x (void)                \
-{                                                               \
-    vlib_main_t * vm = vlib_get_main();                         \
-    vlib_config_function_runtime_t *p =                         \
-       & VLIB_CONFIG_FUNCTION_SYMBOL (x);                       \
-    VLIB_REMOVE_FROM_LINKED_LIST                                \
-      (vm->config_function_registrations, p, next_registration);\
-}                                                               \
-  vlib_config_function_runtime_t                                \
-    VLIB_CONFIG_FUNCTION_SYMBOL (x)                             \
+  static __clib_unused vlib_config_function_runtime_t           \
+    VLIB_CONFIG_FUNCTION_SYMBOL (__clib_unused_##x)             \
   = {                                                           \
     .name = n,                                                  \
     .function = x,                                              \
     .is_early = 0,                                             \
   }
+#endif
 
+#ifndef CLIB_MARCH_VARIANT
+#define VLIB_EARLY_CONFIG_FUNCTION(x, n, ...)                                 \
+  __VA_ARGS__ vlib_config_function_runtime_t VLIB_CONFIG_FUNCTION_SYMBOL (x); \
+  static void __vlib_add_config_function_##x (void)                           \
+    __attribute__ ((__constructor__));                                        \
+  static void __vlib_add_config_function_##x (void)                           \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    VLIB_CONFIG_FUNCTION_SYMBOL (x).next_registration =                       \
+      vgm->config_function_registrations;                                     \
+    vgm->config_function_registrations = &VLIB_CONFIG_FUNCTION_SYMBOL (x);    \
+  }                                                                           \
+  static void __vlib_rm_config_function_##x (void)                            \
+    __attribute__ ((__destructor__));                                         \
+  static void __vlib_rm_config_function_##x (void)                            \
+  {                                                                           \
+    vlib_global_main_t *vgm = vlib_get_global_main ();                        \
+    vlib_config_function_runtime_t *p = &VLIB_CONFIG_FUNCTION_SYMBOL (x);     \
+    VLIB_REMOVE_FROM_LINKED_LIST (vgm->config_function_registrations, p,      \
+                                 next_registration);                         \
+  }                                                                           \
+  vlib_config_function_runtime_t VLIB_CONFIG_FUNCTION_SYMBOL (x) = {          \
+    .name = n,                                                                \
+    .function = x,                                                            \
+    .is_early = 1,                                                            \
+  }
+#else
+/* create unused pointer to silence compiler warnings and get whole
+   function optimized out */
 #define VLIB_EARLY_CONFIG_FUNCTION(x,n,...)                     \
-    __VA_ARGS__ vlib_config_function_runtime_t                  \
-    VLIB_CONFIG_FUNCTION_SYMBOL(x);                             \
-static void __vlib_add_config_function_##x (void)               \
-    __attribute__((__constructor__)) ;                          \
-static void __vlib_add_config_function_##x (void)               \
-{                                                               \
-    vlib_main_t * vm = vlib_get_main();                         \
-    VLIB_CONFIG_FUNCTION_SYMBOL(x).next_registration            \
-       = vm->config_function_registrations;                     \
-    vm->config_function_registrations                           \
-       = &VLIB_CONFIG_FUNCTION_SYMBOL(x);                       \
-}                                                               \
-static void __vlib_rm_config_function_##x (void)                \
-    __attribute__((__destructor__)) ;                           \
-static void __vlib_rm_config_function_##x (void)                \
-{                                                               \
-    vlib_main_t * vm = vlib_get_main();                         \
-    vlib_config_function_runtime_t *p =                         \
-       & VLIB_CONFIG_FUNCTION_SYMBOL (x);                       \
-    VLIB_REMOVE_FROM_LINKED_LIST                                \
-      (vm->config_function_registrations, p, next_registration);\
-}                                                               \
-  vlib_config_function_runtime_t                                \
-    VLIB_CONFIG_FUNCTION_SYMBOL (x)                             \
+  static __clib_unused vlib_config_function_runtime_t           \
+    VLIB_CONFIG_FUNCTION_SYMBOL (__clib_unused_##x)             \
   = {                                                           \
     .name = n,                                                  \
     .function = x,                                              \
     .is_early = 1,                                             \
   }
+#endif
 
 /* Call given init function: used for init function dependencies. */
-#define vlib_call_init_function(vm, x)                                 \
-  ({                                                                   \
-    extern vlib_init_function_t * VLIB_INIT_FUNCTION_SYMBOL (x);       \
-    vlib_init_function_t * _f = VLIB_INIT_FUNCTION_SYMBOL (x);         \
-    clib_error_t * _error = 0;                                         \
-    if (! hash_get (vm->init_functions_called, _f))                    \
-      {                                                                        \
-       hash_set1 (vm->init_functions_called, _f);                      \
-       _error = _f (vm);                                               \
-      }                                                                        \
-    _error;                                                            \
+#define vlib_call_init_function(vm, x)                                        \
+  ({                                                                          \
+    vlib_global_main_t *vgm = &vlib_global_main;                              \
+    extern vlib_init_function_t *VLIB_INIT_FUNCTION_SYMBOL (x);               \
+    vlib_init_function_t *_f = VLIB_INIT_FUNCTION_SYMBOL (x);                 \
+    clib_error_t *_error = 0;                                                 \
+    if (!hash_get (vgm->init_functions_called, _f))                           \
+      {                                                                       \
+       hash_set1 (vgm->init_functions_called, _f);                           \
+       _error = _f (vm);                                                     \
+      }                                                                       \
+    _error;                                                                   \
   })
 
 /* Don't call given init function: used to suppress parts of the netstack */
-#define vlib_mark_init_function_complete(vm, x)                                \
-  ({                                                                   \
-    extern vlib_init_function_t * VLIB_INIT_FUNCTION_SYMBOL (x);       \
-    vlib_init_function_t * _f = VLIB_INIT_FUNCTION_SYMBOL (x);         \
-    hash_set1 (vm->init_functions_called, _f);                         \
+#define vlib_mark_init_function_complete(vm, x)                               \
+  ({                                                                          \
+    vlib_global_main_t *vgm = &vlib_global_main;                              \
+    extern vlib_init_function_t *VLIB_INIT_FUNCTION_SYMBOL (x);               \
+    vlib_init_function_t *_f = VLIB_INIT_FUNCTION_SYMBOL (x);                 \
+    hash_set1 (vgm->init_functions_called, _f);                               \
+  })
+
+#define vlib_call_post_graph_init_function(vm, x)                             \
+  ({                                                                          \
+    vlib_global_main_t *vgm = &vlib_global_main;                              \
+    extern vlib_init_function_t *VLIB_POST_GRAPH_INIT_FUNCTION_SYMBOL (x);    \
+    vlib_init_function_t *_f = VLIB_POST_GRAPH_INIT_FUNCTION_SYMBOL (x);      \
+    clib_error_t *_error = 0;                                                 \
+    if (!hash_get (vgm->init_functions_called, _f))                           \
+      {                                                                       \
+       hash_set1 (vgm->init_functions_called, _f);                           \
+       _error = _f (vm);                                                     \
+      }                                                                       \
+    _error;                                                                   \
   })
 
-#define vlib_call_post_graph_init_function(vm, x)                      \
-  ({                                                                   \
-    extern vlib_init_function_t * VLIB_POST_GRAPH_INIT_FUNCTION_SYMBOL (x); \
-    vlib_init_function_t * _f = VLIB_POST_GRAPH_INIT_FUNCTION_SYMBOL (x); \
-    clib_error_t * _error = 0;                                         \
-    if (! hash_get (vm->init_functions_called, _f))                    \
-      {                                                                        \
-       hash_set1 (vm->init_functions_called, _f);                      \
-       _error = _f (vm);                                               \
-      }                                                                        \
-    _error;                                                            \
+#define vlib_call_config_function(vm, x)                                      \
+  ({                                                                          \
+    vlib_global_main_t *vgm = &vlib_global_main;                              \
+    vlib_config_function_runtime_t *_r;                                       \
+    clib_error_t *_error = 0;                                                 \
+    extern vlib_config_function_runtime_t VLIB_CONFIG_FUNCTION_SYMBOL (x);    \
+                                                                              \
+    _r = &VLIB_CONFIG_FUNCTION_SYMBOL (x);                                    \
+    if (!hash_get (vgm->init_functions_called, _r->function))                 \
+      {                                                                       \
+       hash_set1 (vgm->init_functions_called, _r->function);                 \
+       _error = _r->function (vm, &_r->input);                               \
+      }                                                                       \
+    _error;                                                                   \
   })
 
-#define vlib_call_config_function(vm, x)                       \
-  ({                                                           \
-    vlib_config_function_runtime_t * _r;                       \
-    clib_error_t * _error = 0;                                 \
-    extern vlib_config_function_runtime_t                      \
-      VLIB_CONFIG_FUNCTION_SYMBOL (x);                         \
-                                                               \
-    _r = &VLIB_CONFIG_FUNCTION_SYMBOL (x);                     \
-    if (! hash_get (vm->init_functions_called, _r->function))  \
-      {                                                                \
-        hash_set1 (vm->init_functions_called, _r->function);   \
-       _error = _r->function (vm, &_r->input);                 \
-      }                                                                \
-    _error;                                                    \
+#define vlib_call_main_loop_enter_function(vm, x)                             \
+  ({                                                                          \
+    vlib_global_main_t *vgm = &vlib_global_main;                              \
+    extern vlib_init_function_t *VLIB_MAIN_LOOP_ENTER_FUNCTION_SYMBOL (x);    \
+    vlib_init_function_t *_f = VLIB_MAIN_LOOP_ENTER_FUNCTION_SYMBOL (x);      \
+    clib_error_t *_error = 0;                                                 \
+    if (!hash_get (vgm->init_functions_called, _f))                           \
+      {                                                                       \
+       hash_set1 (vgm->init_functions_called, _f);                           \
+       _error = _f (vm);                                                     \
+      }                                                                       \
+    _error;                                                                   \
   })
 
 /* External functions. */
@@ -282,10 +331,16 @@ clib_error_t *vlib_call_all_config_functions (struct vlib_main_t *vm,
 clib_error_t *vlib_call_all_main_loop_enter_functions (struct vlib_main_t
                                                       *vm);
 clib_error_t *vlib_call_all_main_loop_exit_functions (struct vlib_main_t *vm);
-clib_error_t *vlib_call_init_exit_functions (struct vlib_main_t *vm,
-                                            _vlib_init_function_list_elt_t *
-                                            head, int call_once);
-
+clib_error_t *
+vlib_call_init_exit_functions (struct vlib_main_t *vm,
+                              _vlib_init_function_list_elt_t **headp,
+                              int call_once, int is_global);
+clib_error_t *
+vlib_call_init_exit_functions_no_sort (struct vlib_main_t *vm,
+                                      _vlib_init_function_list_elt_t **headp,
+                                      int call_once, int is_global);
+clib_error_t *vlib_sort_init_exit_functions (_vlib_init_function_list_elt_t
+                                            **);
 #define foreach_vlib_module_reference          \
   _ (node_cli)                                 \
   _ (trace_cli)
@@ -294,6 +349,7 @@ clib_error_t *vlib_call_init_exit_functions (struct vlib_main_t *vm,
 #define _(x) void vlib_##x##_reference (void);
 foreach_vlib_module_reference
 #undef _
+#define VLIB_INITS(...)  (char*[]) { __VA_ARGS__, 0}
 #endif /* included_vlib_init_h */
 /*
  * fd.io coding-style-patch-verification: ON