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-rw-r--r--plugins/arm/v7/register.c229
1 files changed, 229 insertions, 0 deletions
diff --git a/plugins/arm/v7/register.c b/plugins/arm/v7/register.c
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * registers.c - aides auxiliaires relatives aux registres ARMv7
+ *
+ * Copyright (C) 2014-2017 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Foobar. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "register.h"
+
+
+#include <stdio.h>
+
+
+#include "../register-int.h"
+
+
+
+/* Représentation d'un registre ARMv7 (instance) */
+struct _GArmV7Register
+{
+ GArmRegister parent; /* Instance parente */
+
+};
+
+
+/* Représentation d'un registre ARMv7 (classe) */
+struct _GArmV7RegisterClass
+{
+ GArmRegisterClass parent; /* Classe parente */
+
+};
+
+
+#define MAX_REGNAME_LEN 8
+
+
+/* Initialise la classe des registres ARMv7. */
+static void g_armv7_register_class_init(GArmV7RegisterClass *);
+
+/* Initialise une instance de registre ARMv7. */
+static void g_armv7_register_init(GArmV7Register *);
+
+/* Supprime toutes les références externes. */
+static void g_armv7_register_dispose(GArmV7Register *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_armv7_register_finalize(GArmV7Register *);
+
+/* Traduit un registre en version humainement lisible. */
+static void g_armv7_register_print(const GArmV7Register *, GBufferLine *, AsmSyntax);
+
+
+
+/* Indique le type défini pour une représentation d'un registre ARMv7. */
+G_DEFINE_TYPE(GArmV7Register, g_armv7_register, G_TYPE_ARM_REGISTER);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des registres ARMv7. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_class_init(GArmV7RegisterClass *klass)
+{
+ GObjectClass *object_class; /* Autre version de la classe */
+ GArchRegisterClass *reg_class; /* Classe de haut niveau */
+
+ object_class = G_OBJECT_CLASS(klass);
+ reg_class = G_ARCH_REGISTER_CLASS(klass);
+
+ object_class->dispose = (GObjectFinalizeFunc/* ! */)g_armv7_register_dispose;
+ object_class->finalize = (GObjectFinalizeFunc)g_armv7_register_finalize;
+
+ reg_class->print = (reg_print_fc)g_armv7_register_print;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = instance à initialiser. *
+* *
+* Description : Initialise une instance de registre ARMv7. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_init(GArmV7Register *reg)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = instance d'objet GLib à traiter. *
+* *
+* Description : Supprime toutes les références externes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_dispose(GArmV7Register *reg)
+{
+ G_OBJECT_CLASS(g_armv7_register_parent_class)->dispose(G_OBJECT(reg));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = instance d'objet GLib à traiter. *
+* *
+* Description : Procède à la libération totale de la mémoire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_finalize(GArmV7Register *reg)
+{
+ G_OBJECT_CLASS(g_armv7_register_parent_class)->finalize(G_OBJECT(reg));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : reg = registre à transcrire. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un registre en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_print(const GArmV7Register *reg, GBufferLine *line, AsmSyntax syntax)
+{
+ char key[MAX_REGNAME_LEN]; /* Mot clef principal */
+ size_t klen; /* Taille de ce mot clef */
+
+ switch (G_ARM_REGISTER(reg)->index)
+ {
+ case 0 ... 12:
+ klen = snprintf(key, MAX_REGNAME_LEN, "r%hhu", G_ARM_REGISTER(reg)->index);
+ break;
+ case 13:
+ klen = snprintf(key, MAX_REGNAME_LEN, "sp");
+ break;
+ case 14:
+ klen = snprintf(key, MAX_REGNAME_LEN, "lr");
+ break;
+ case 15:
+ klen = snprintf(key, MAX_REGNAME_LEN, "pc");
+ break;
+ case 16:
+ klen = snprintf(key, MAX_REGNAME_LEN, "cpsr");
+ break;
+ case 17:
+ klen = snprintf(key, MAX_REGNAME_LEN, "spsr");
+ break;
+ default:
+ klen = snprintf(key, MAX_REGNAME_LEN, "r??");
+ break;
+ }
+
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, key, klen, RTT_REGISTER, NULL);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : index = indice du registre correspondant. *
+* *
+* Description : Crée une réprésentation de registre ARMv7. *
+* *
+* Retour : Adresse de la structure mise en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArmV7Register *g_armv7_register_new(uint8_t index)
+{
+ GArmV7Register *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV7_REGISTER, NULL);
+
+ G_ARM_REGISTER(result)->index = index;
+
+ return result;
+
+}