From ee138199fe0d7bcc114cfb7001e968c4738a8ce5 Mon Sep 17 00:00:00 2001 From: Cyrille Bagard Date: Thu, 9 Apr 2020 22:23:33 +0200 Subject: Compressed the size of the symbol structures. --- src/format/symbol-int.h | 47 +++++++++++++++++++++++++++++++++++++++++++++-- src/format/symbol.c | 48 ++++++++++++++++++++++++++++++++++++++++++++---- src/format/symbol.h | 12 ++++++------ 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) */ -- cgit v0.11.2-87-g4458