3 files changed, 95 insertions, 12 deletions
diff --git a/src/format/symbol-int.h b/src/format/symbol-int.h
index f1fb396..e2c3292 100644
--- a/src/format/symbol-int.h
+++ b/src/format/symbol-int.h
@@ -26,6 +26,7 @@
 
 
 #include "symbol.h"
+#include "../glibext/objhole.h"
 
 
 
@@ -33,6 +34,19 @@
 typedef char * (* get_symbol_label_fc) (const GBinSymbol *);
 
 
+/* Informations glissées dans la structure GObject de GArchInstruction */
+typedef union _sym_obj_extra
+{
+    struct
+    {
+        SymbolType stype;                   /* Type du symbole             */
+        SymbolStatus status;                /* Visibilité du symbole       */
+
+    };
+
+    gint lock;                              /* Gestion d'accès aux fanions */
+
+} sym_obj_extra;
 
 /* Symbole d'exécutable (instance) */
 struct _GBinSymbol
@@ -40,13 +54,42 @@ struct _GBinSymbol
     GObject parent;                         /* A laisser en premier        */
 
     mrange_t range;                         /* Couverture mémoire          */
-    SymbolType stype;                       /* Type du symbole             */
-    SymbolStatus status;                    /* Visibilité du symbole       */
 
     char *alt;                              /* Nom alternatif              */
 
+#if __SIZEOF_INT__ == __SIZEOF_LONG__
+
+    /**
+     * L'inclusion des informations suivantes dépend de l'architecture.
+     *
+     * Si la structure GObject possède un trou, on remplit de préférence
+     * ce dernier.
+     */
+
+    sym_obj_extra extra;                    /* Externalisation embarquée   */
+
+#endif
+
 };
 
+/**
+ * Accès aux informations éventuellement déportées.
+ */
+
+#if __SIZEOF_INT__ == __SIZEOF_LONG__
+
+#   define INIT_BIN_SYMBOL_EXTRA(sym) ins->extra.lock = 0
+
+#   define GET_BIN_SYMBOL_EXTRA(sym) &ins->extra
+
+#else
+
+#   define INIT_BIN_SYMBOL_EXTRA(sym) INIT_GOBJECT_EXTRA(G_OBJECT(sym))
+
+#   define GET_BIN_SYMBOL_EXTRA(sym) GET_GOBJECT_EXTRA(G_OBJECT(sym), sym_obj_extra)
+
+#endif
+
 /* Symbole d'exécutable (classe) */
 struct _GBinSymbolClass
 {
diff --git a/src/format/symbol.c b/src/format/symbol.c
index 30987ae..c10c46d 100644
--- a/src/format/symbol.c
+++ b/src/format/symbol.c
@@ -123,6 +123,8 @@ static void g_binary_symbol_class_init(GBinSymbolClass *klass)
 
 static void g_binary_symbol_init(GBinSymbol *symbol)
 {
+    INIT_BIN_SYMBOL_EXTRA(symbol);
+
     g_binary_symbol_set_stype(symbol, STP_COUNT);
 
     g_binary_symbol_set_status(symbol, SSS_INTERNAL);
@@ -328,7 +330,15 @@ const mrange_t *g_binary_symbol_get_range(const GBinSymbol *symbol)
 
 void g_binary_symbol_set_stype(GBinSymbol *symbol, SymbolType type)
 {
-    symbol->stype = type;
+    sym_obj_extra *extra;                   /* Données insérées à modifier */
+
+    extra = GET_BIN_SYMBOL_EXTRA(symbol);
+
+    g_bit_lock(&extra->lock, HOLE_LOCK_BIT);
+
+    extra->stype = type;
+
+    g_bit_unlock(&extra->lock, HOLE_LOCK_BIT);
 
 }
 
@@ -347,7 +357,18 @@ void g_binary_symbol_set_stype(GBinSymbol *symbol, SymbolType type)
 
 SymbolType g_binary_symbol_get_stype(const GBinSymbol *symbol)
 {
-    return symbol->stype;
+    SymbolType result;                      /* Type à retourner            */
+    sym_obj_extra *extra;                   /* Données insérées à modifier */
+
+    extra = GET_BIN_SYMBOL_EXTRA(symbol);
+
+    g_bit_lock(&extra->lock, HOLE_LOCK_BIT);
+
+    result = extra->stype;
+
+    g_bit_unlock(&extra->lock, HOLE_LOCK_BIT);
+
+    return result;
 
 }
 
@@ -367,7 +388,15 @@ SymbolType g_binary_symbol_get_stype(const GBinSymbol *symbol)
 
 void g_binary_symbol_set_status(GBinSymbol *symbol, SymbolStatus status)
 {
-    symbol->status = status;
+    sym_obj_extra *extra;                   /* Données insérées à modifier */
+
+    extra = GET_BIN_SYMBOL_EXTRA(symbol);
+
+    g_bit_lock(&extra->lock, HOLE_LOCK_BIT);
+
+    extra->status = status;
+
+    g_bit_unlock(&extra->lock, HOLE_LOCK_BIT);
 
 }
 
@@ -386,7 +415,18 @@ void g_binary_symbol_set_status(GBinSymbol *symbol, SymbolStatus status)
 
 SymbolStatus g_binary_symbol_get_status(const GBinSymbol *symbol)
 {
-    return symbol->status;
+    SymbolStatus result;                    /* Visibilité à retourner      */
+    sym_obj_extra *extra;                   /* Données insérées à modifier */
+
+    extra = GET_BIN_SYMBOL_EXTRA(symbol);
+
+    g_bit_lock(&extra->lock, HOLE_LOCK_BIT);
+
+    result = extra->status;
+
+    g_bit_unlock(&extra->lock, HOLE_LOCK_BIT);
+
+    return result;
 
 }
 
diff --git a/src/format/symbol.h b/src/format/symbol.h
index 35bc1ce..48f740e 100644
--- a/src/format/symbol.h
+++ b/src/format/symbol.h
@@ -64,12 +64,12 @@ typedef enum _SymbolStatus
 } SymbolStatus;
 
 
-#define G_TYPE_BIN_SYMBOL               g_binary_symbol_get_type()
-#define G_BIN_SYMBOL(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj), g_binary_symbol_get_type(), GBinSymbol))
-#define G_IS_BIN_SYMBOL(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_binary_symbol_get_type()))
-#define G_BIN_SYMBOL_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
-#define G_IS_BIN_SYMBOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_BIN_SYMBOL))
-#define G_BIN_SYMBOL_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
+#define G_TYPE_BIN_SYMBOL            g_binary_symbol_get_type()
+#define G_BIN_SYMBOL(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_BIN_SYMBOL, GBinSymbol))
+#define G_IS_BIN_SYMBOL(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_BIN_SYMBOL))
+#define G_BIN_SYMBOL_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
+#define G_IS_BIN_SYMBOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_BIN_SYMBOL))
+#define G_BIN_SYMBOL_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
 
 
 /* Symbole d'exécutable (instance) */