properly mark symbols in the public API to be exported. This allows us to use -fvisib...
[libfirm] / include / libfirm / irhooks.h
index 9fce76f..27c10b3 100644 (file)
 #ifndef FIRM_IR_IRHOOKS_H
 #define FIRM_IR_IRHOOKS_H
 
-#include "firm_config.h"
 #include "irop.h"
 #include "irnode.h"
 #include "irgraph.h"
+#include "begin.h"
 
 /**
  * options for the hook_merge_nodes hook
@@ -60,6 +60,7 @@ typedef enum {
        HOOK_OPT_CONFIRM_C,   /**< a value was substituted by a const due to a Confirm */
        HOOK_OPT_CONFIRM_E,   /**< a value was evaluated due to a Confirm */
        HOOK_OPT_EXC_REM,     /**< a exception edge was removed due to a Confirmation prove */
+       HOOK_OPT_NORMALIZE,   /**< a commutative node was normalized */
        HOOK_LOWERED,         /**< lowered */
        HOOK_BACKEND,         /**< a backend transformation */
        HOOK_OPT_LAST
@@ -105,6 +106,9 @@ typedef struct hook_entry {
                /** This hook is called, before a node is changed into an Id node. */
                void (*_hook_turn_into_id)(void *context, ir_node *node);
 
+               /** This hook is called, after a commutative node was normalized. */
+               void (*_hook_normalize)(void *context, ir_node *node);
+
                /** This hook is called, after a new graph was created and before the first block
                *  on this graph is build. */
                void (*_hook_new_graph)(void *context, ir_graph *irg, ir_entity *ent);
@@ -188,6 +192,7 @@ typedef enum {
        hook_set_irn_n,
        hook_replace,
        hook_turn_into_id,
+       hook_normalize,
        hook_new_graph,
        hook_free_graph,
        hook_irg_walk,
@@ -218,7 +223,7 @@ typedef enum {
  * @param hook   the hook type
  * @param entry  the hook entry
  */
-void register_hook(hook_type_t hook, hook_entry_t *entry);
+FIRM_DLL void register_hook(hook_type_t hook, hook_entry_t *entry);
 
 /**
  * unregister a hook entry.
@@ -226,30 +231,22 @@ void register_hook(hook_type_t hook, hook_entry_t *entry);
  * @param hook   the hook type
  * @param entry  the hook entry
  */
-void unregister_hook(hook_type_t hook, hook_entry_t *entry);
-
-#ifdef FIRM_ENABLE_HOOKS
+FIRM_DLL void unregister_hook(hook_type_t hook, hook_entry_t *entry);
 
-extern hook_entry_t *hooks[hook_last];
+FIRM_DLL hook_entry_t *hooks[hook_last];
 
 /**
  * execute the hook what with the args args
  * Do not use this macro directly.
  */
-#define hook_exec(what, args) do {       \
-  hook_entry_t *p;                       \
-  for (p = hooks[what]; p; p = p->next){ \
-    void *ctx = p->context;              \
-    p->hook._##what args;                \
-  }                                      \
+#define hook_exec(what, args) do {           \
+  hook_entry_t *_p;                          \
+  for (_p = hooks[what]; _p; _p = _p->next){ \
+    void *ctx = _p->context;                 \
+    _p->hook._##what args;                   \
+  }                                          \
 } while (0)
 
-#else
-
-#define hook_exec(what, args)
-
-#endif /* FIRM_ENABLE_HOOKS */
-
 #define hook_new_ir_op(op)                hook_exec(hook_new_ir_op, (ctx, op))
 #define hook_free_ir_op(op)               hook_exec(hook_free_ir_op, (ctx, op))
 #define hook_new_node(graph, node)        hook_exec(hook_new_node, (ctx, graph, node))
@@ -257,6 +254,7 @@ extern hook_entry_t *hooks[hook_last];
   hook_exec(hook_set_irn_n, (ctx, src, pos, tgt, old_tgt))
 #define hook_replace(old, nw)             hook_exec(hook_replace, (ctx, old, nw))
 #define hook_turn_into_id(node)           hook_exec(hook_turn_into_id, (ctx, node))
+#define hook_normalize(node)              hook_exec(hook_normalize, (ctx, node))
 #define hook_new_graph(irg, ent)          hook_exec(hook_new_graph, (ctx, irg, ent))
 #define hook_free_graph(irg)              hook_exec(hook_free_graph, (ctx, irg))
 #define hook_irg_walk(irg, pre, post)     hook_exec(hook_irg_walk, (ctx, irg, pre, post))
@@ -288,7 +286,6 @@ extern hook_entry_t *hooks[hook_last];
 #define hook_new_type(tp)                 hook_exec(hook_new_type, (ctx, tp))
 #define hook_node_info(F, node)           hook_exec(hook_node_info, (ctx, F, node))
 
-/* the initializer, move to hooks_t.h some day */
-int firm_init_hooks(void);
+#include "end.h"
 
 #endif