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authorCyrille Bagard <nocbos@gmail.com>2018-05-19 10:28:27 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2018-05-19 10:28:27 (GMT)
commit5e6f3a42a2f57c563f34e5ea4d9c377d8618e871 (patch)
tree9b245999585accb100a09df44a0f254ece4d9209 /plugins/arm/v7/operands
parentd52e16c97aa88ecf6a3643ef454e1aa857e0e7dd (diff)
Added support for a few extra ARMv7 instructions.
Diffstat (limited to 'plugins/arm/v7/operands')
-rw-r--r--plugins/arm/v7/operands/Makefile.am4
-rw-r--r--plugins/arm/v7/operands/estate.c2
-rw-r--r--plugins/arm/v7/operands/it.c402
-rw-r--r--plugins/arm/v7/operands/it.h67
-rw-r--r--plugins/arm/v7/operands/register.c95
-rw-r--r--plugins/arm/v7/operands/register.h6
-rw-r--r--plugins/arm/v7/operands/specreg.c378
-rw-r--r--plugins/arm/v7/operands/specreg.h79
8 files changed, 1031 insertions, 2 deletions
diff --git a/plugins/arm/v7/operands/Makefile.am b/plugins/arm/v7/operands/Makefile.am
index 7ba6d0a..41a809e 100644
--- a/plugins/arm/v7/operands/Makefile.am
+++ b/plugins/arm/v7/operands/Makefile.am
@@ -4,13 +4,15 @@ noinst_LTLIBRARIES = libarmv7operands.la
libarmv7operands_la_SOURCES = \
coproc.h coproc.c \
estate.h estate.c \
+ it.h it.c \
limitation.h limitation.c \
maccess.h maccess.c \
offset.h offset.c \
register.h register.c \
reglist.h reglist.c \
rotation.h rotation.c \
- shift.h shift.c
+ shift.h shift.c \
+ specreg.h specreg.c
libarmv7operands_la_LIBADD =
diff --git a/plugins/arm/v7/operands/estate.c b/plugins/arm/v7/operands/estate.c
index 472ac2b..8460375 100644
--- a/plugins/arm/v7/operands/estate.c
+++ b/plugins/arm/v7/operands/estate.c
@@ -1,6 +1,6 @@
/* Chrysalide - Outil d'analyse de fichiers binaires
- * endian.c - décalages de valeurs
+ * estate.c - décalages de valeurs
*
* Copyright (C) 2016-2017 Cyrille Bagard
*
diff --git a/plugins/arm/v7/operands/it.c b/plugins/arm/v7/operands/it.c
new file mode 100644
index 0000000..f8232d1
--- /dev/null
+++ b/plugins/arm/v7/operands/it.c
@@ -0,0 +1,402 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * it.c - manipulation des informations de l'instruction TI
+ *
+ * Copyright (C) 2018 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "it.h"
+
+
+#include <assert.h>
+
+
+#include <arch/operand-int.h>
+#include <common/sort.h>
+
+
+
+/* Définition d'un opérande organisant l'application d'une instruction IT (instance) */
+struct _GArmV7ITCondOperand
+{
+ GArchOperand parent; /* Instance parente */
+
+ ArmCondCode firstcond; /* Condition première */
+ uint8_t mask; /* Masque de l'interprétation */
+
+};
+
+
+/* Définition d'un opérande organisant l'application d'une instruction IT (classe) */
+struct _GArmV7ITCondOperandClass
+{
+ GArchOperandClass parent; /* Classe parente */
+
+};
+
+
+/* Initialise la classe des conditions d'application d'IT. */
+static void g_armv7_itcond_operand_class_init(GArmV7ITCondOperandClass *);
+
+/* Initialise une instance de conditions d'application d'IT. */
+static void g_armv7_itcond_operand_init(GArmV7ITCondOperand *);
+
+/* Supprime toutes les références externes. */
+static void g_armv7_itcond_operand_dispose(GArmV7ITCondOperand *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_armv7_itcond_operand_finalize(GArmV7ITCondOperand *);
+
+/* Compare un opérande avec un autre. */
+static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *, const GArmV7ITCondOperand *);
+
+/* Traduit un opérande en version humainement lisible. */
+static void g_armv7_itcond_operand_print(const GArmV7ITCondOperand *, GBufferLine *, AsmSyntax);
+
+
+
+/* --------------------- TRANSPOSITIONS VIA CACHE DES OPERANDES --------------------- */
+
+
+/* Charge un opérande depuis une mémoire tampon. */
+static bool g_armv7_itcond_operand_unserialize(GArmV7ITCondOperand *, GAsmStorage *, GBinFormat *, packed_buffer *);
+
+/* Sauvegarde un opérande dans une mémoire tampon. */
+static bool g_armv7_itcond_operand_serialize(const GArmV7ITCondOperand *, GAsmStorage *, packed_buffer *);
+
+
+
+/* Indique le type défini par la GLib pour l'application d'une instruction IT. */
+G_DEFINE_TYPE(GArmV7ITCondOperand, g_armv7_itcond_operand, G_TYPE_ARCH_OPERAND);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des conditions d'application d'IT. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_itcond_operand_class_init(GArmV7ITCondOperandClass *klass)
+{
+ GObjectClass *object; /* Autre version de la classe */
+ GArchOperandClass *operand; /* Version de classe parente */
+
+ object = G_OBJECT_CLASS(klass);
+ operand = G_ARCH_OPERAND_CLASS(klass);
+
+ object->dispose = (GObjectFinalizeFunc/* ! */)g_armv7_itcond_operand_dispose;
+ object->finalize = (GObjectFinalizeFunc)g_armv7_itcond_operand_finalize;
+
+ operand->compare = (operand_compare_fc)g_armv7_itcond_operand_compare;
+ operand->print = (operand_print_fc)g_armv7_itcond_operand_print;
+
+ operand->unserialize = (unserialize_operand_fc)g_armv7_itcond_operand_unserialize;
+ operand->serialize = (serialize_operand_fc)g_armv7_itcond_operand_serialize;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance à initialiser. *
+* *
+* Description : Initialise une instance de conditions d'application d'IT. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_itcond_operand_init(GArmV7ITCondOperand *operand)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance d'objet GLib à traiter. *
+* *
+* Description : Supprime toutes les références externes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_itcond_operand_dispose(GArmV7ITCondOperand *operand)
+{
+ G_OBJECT_CLASS(g_armv7_itcond_operand_parent_class)->dispose(G_OBJECT(operand));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance d'objet GLib à traiter. *
+* *
+* Description : Procède à la libération totale de la mémoire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_itcond_operand_finalize(GArmV7ITCondOperand *operand)
+{
+ G_OBJECT_CLASS(g_armv7_itcond_operand_parent_class)->finalize(G_OBJECT(operand));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un opérande avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *a, const GArmV7ITCondOperand *b)
+{
+ int result; /* Bilan à faire remonter */
+
+ result = sort_boolean(a->firstcond, b->firstcond);
+
+ if (result == 0)
+ result = sort_unsigned_long(a->mask, b->mask);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à traiter. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un opérande en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_itcond_operand_print(const GArmV7ITCondOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+ const char *kw; /* Mot clef à imprimer */
+
+ switch (operand->firstcond)
+ {
+ case ACC_EQ: kw = "EQ"; break;
+ case ACC_NE: kw = "NE"; break;
+ case ACC_HS: kw = "HS"; break;
+ case ACC_LO: kw = "LO"; break;
+ case ACC_MI: kw = "MI"; break;
+ case ACC_PL: kw = "PL"; break;
+ case ACC_VS: kw = "VS"; break;
+ case ACC_VC: kw = "VC"; break;
+ case ACC_HI: kw = "HI"; break;
+ case ACC_LS: kw = "LS"; break;
+ case ACC_GE: kw = "GE"; break;
+ case ACC_LT: kw = "LT"; break;
+ case ACC_GT: kw = "GT"; break;
+ case ACC_LE: kw = "LE"; break;
+ case ACC_AL: kw = NULL; break;
+ case ACC_NV: kw = "NV"; break;
+
+ default: /* Pour GCC... */
+ assert(false);
+ kw = NULL;
+ break;
+
+ }
+
+ if (kw != NULL)
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, kw, 2, RTT_KEY_WORD, NULL);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : firstcond = valeur brute de la condition d'exécution. *
+* mask = masque d'interprétation pour l'instruction. *
+* *
+* Description : Crée un opérande lié à une instruction IT. *
+* *
+* Retour : Opérande mis en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchOperand *g_armv7_itcond_operand_new(uint8_t firstcond, uint8_t mask)
+{
+ GArmV7ITCondOperand *result; /* Structure à retourner */
+
+ if (firstcond > ACC_NV)
+ return NULL;
+
+ result = g_object_new(G_TYPE_ARMV7_ITCOND_OPERAND, NULL);
+
+ result->firstcond = firstcond;
+ result->mask = mask;
+
+ return G_ARCH_OPERAND(result);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à consulter. *
+* *
+* Description : Fournit la condition associée à l'opérande. *
+* *
+* Retour : Condition classique pour ARMv7. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+ArmCondCode g_armv7_itcond_operand_get_firstcond(const GArmV7ITCondOperand *operand)
+{
+ ArmCondCode result; /* Condition à renvoyer */
+
+ result = operand->firstcond;
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à consulter. *
+* *
+* Description : Fournit le masque d'interprétation de la condition. *
+* *
+* Retour : Masque de bits. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+uint8_t g_armv7_itcond_operand_get_mask(const GArmV7ITCondOperand *operand)
+{
+ uint8_t result; /* Valeur à retourner */
+
+ result = operand->mask;
+
+ return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* TRANSPOSITIONS VIA CACHE DES OPERANDES */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande d'assemblage à constituer. *
+* storage = mécanisme de sauvegarde à manipuler. *
+* format = format binaire chargé associé à l'architecture. *
+* pbuf = zone tampon à remplir. *
+* *
+* Description : Charge un opérande depuis une mémoire tampon. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv7_itcond_operand_unserialize(GArmV7ITCondOperand *operand, GAsmStorage *storage, GBinFormat *format, packed_buffer *pbuf)
+{
+ bool result; /* Bilan à retourner */
+ GArchOperandClass *parent; /* Classe parente à consulter */
+
+ parent = G_ARCH_OPERAND_CLASS(g_armv7_itcond_operand_parent_class);
+
+ result = parent->unserialize(G_ARCH_OPERAND(operand), storage, format, pbuf);
+
+ if (result)
+ result = extract_packed_buffer(pbuf, &operand->firstcond, sizeof(ArmCondCode), true);
+
+ if (result)
+ result = extract_packed_buffer(pbuf, &operand->mask, sizeof(uint8_t), false);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande d'assemblage à consulter. *
+* storage = mécanisme de sauvegarde à manipuler. *
+* pbuf = zone tampon à remplir. *
+* *
+* Description : Sauvegarde un opérande dans une mémoire tampon. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv7_itcond_operand_serialize(const GArmV7ITCondOperand *operand, GAsmStorage *storage, packed_buffer *pbuf)
+{
+ bool result; /* Bilan à retourner */
+ GArchOperandClass *parent; /* Classe parente à consulter */
+
+ parent = G_ARCH_OPERAND_CLASS(g_armv7_itcond_operand_parent_class);
+
+ result = parent->serialize(G_ARCH_OPERAND(operand), storage, pbuf);
+
+ if (result)
+ result = extend_packed_buffer(pbuf, &operand->firstcond, sizeof(ArmCondCode), true);
+
+ if (result)
+ result = extend_packed_buffer(pbuf, &operand->mask, sizeof(uint8_t), false);
+
+ return result;
+
+}
diff --git a/plugins/arm/v7/operands/it.h b/plugins/arm/v7/operands/it.h
new file mode 100644
index 0000000..9e1706b
--- /dev/null
+++ b/plugins/arm/v7/operands/it.h
@@ -0,0 +1,67 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * it.h - prototypes pour la manipulation des informations de l'instruction TI
+ *
+ * Copyright (C) 2018 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _PLUGINS_ARM_V7_OPERANDS_IT_H
+#define _PLUGINS_ARM_V7_OPERANDS_IT_H
+
+
+#include <glib-object.h>
+
+
+#include <arch/operand.h>
+
+
+#include "../../cond.h"
+
+
+
+#define G_TYPE_ARMV7_ITCOND_OPERAND g_armv7_itcond_operand_get_type()
+#define G_ARMV7_ITCOND_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_ARMV7_ITCOND_OPERAND, GArmV7ITCondOperand))
+#define G_IS_ARMV7_ITCOND_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_ARMV7_ITCOND_OPERAND))
+#define G_ARMV7_ITCOND_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_ARMV7_ITCOND_OPERAND, GArmV7ITCondOperandClass))
+#define G_IS_ARMV7_ITCOND_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_ARMV7_ITCOND_OPERAND))
+#define G_ARMV7_ITCOND_OPERAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_ARMV7_ITCOND_OPERAND, GArmV7ITCondOperandClass))
+
+
+/* Définition d'un opérande organisant l'application d'une instruction IT (instance) */
+typedef struct _GArmV7ITCondOperand GArmV7ITCondOperand;
+
+/* Définition d'un opérande organisant l'application d'une instruction IT (classe) */
+typedef struct _GArmV7ITCondOperandClass GArmV7ITCondOperandClass;
+
+
+/* Indique le type défini par la GLib pour l'application d'une instruction IT. */
+GType g_armv7_itcond_operand_get_type(void);
+
+/* Crée un opérande lié à une instruction IT. */
+GArchOperand *g_armv7_itcond_operand_new(uint8_t, uint8_t);
+
+/* Fournit la condition associée à l'opérande. */
+ArmCondCode g_armv7_itcond_operand_get_firstcond(const GArmV7ITCondOperand *);
+
+/* Fournit le masque d'interprétation de la condition. */
+uint8_t g_armv7_itcond_operand_get_mask(const GArmV7ITCondOperand *);
+
+
+
+#endif /* _PLUGINS_ARM_V7_OPERANDS_IT_H */
diff --git a/plugins/arm/v7/operands/register.c b/plugins/arm/v7/operands/register.c
index 33a14f6..412d0f9 100644
--- a/plugins/arm/v7/operands/register.c
+++ b/plugins/arm/v7/operands/register.c
@@ -36,6 +36,8 @@ struct _GArmV7RegisterOperand
{
GRegisterOperand parent; /* Instance parente */
+ bool write_back; /* Mise à jour du registre ? */
+
};
@@ -59,6 +61,9 @@ static void g_armv7_register_operand_dispose(GArmV7RegisterOperand *);
/* Procède à la libération totale de la mémoire. */
static void g_armv7_register_operand_finalize(GArmV7RegisterOperand *);
+/* Traduit un opérande en version humainement lisible. */
+static void g_armv7_register_operand_print(const GArmV7RegisterOperand *, GBufferLine *, AsmSyntax);
+
/* --------------------- TRANSPOSITIONS VIA CACHE DES OPERANDES --------------------- */
@@ -100,6 +105,8 @@ static void g_armv7_register_operand_class_init(GArmV7RegisterOperandClass *klas
operand = G_ARCH_OPERAND_CLASS(klass);
+ operand->print = (operand_print_fc)g_armv7_register_operand_print;
+
operand->unserialize = (unserialize_operand_fc)g_armv7_register_operand_unserialize;
operand->serialize = (serialize_operand_fc)g_armv7_register_operand_serialize;
@@ -120,6 +127,7 @@ static void g_armv7_register_operand_class_init(GArmV7RegisterOperandClass *klas
static void g_armv7_register_operand_init(GArmV7RegisterOperand *operand)
{
+ operand->write_back = false;
}
@@ -164,6 +172,34 @@ static void g_armv7_register_operand_finalize(GArmV7RegisterOperand *operand)
/******************************************************************************
* *
+* Paramètres : operand = opérande à traiter. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un opérande en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_register_operand_print(const GArmV7RegisterOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+ GArchOperandClass *parent; /* Classe parente */
+
+ parent = G_ARCH_OPERAND_CLASS(g_armv7_register_operand_parent_class);
+
+ parent->print(G_ARCH_OPERAND(operand), line, syntax);
+
+ if (operand->write_back)
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "!", 1, RTT_PUNCT, NULL);
+
+}
+
+
+/******************************************************************************
+* *
* Paramètres : reg = registre déjà en place. *
* *
* Description : Crée un opérande visant un registre ARMv7. *
@@ -210,6 +246,48 @@ const GArmV7Register *g_armv7_register_operand_get(const GArmV7RegisterOperand *
}
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre. *
+* wback = indique si le registre est mis à jour après coup. *
+* *
+* Description : Détermine si le registre est mis à jour après l'opération. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+void g_armv7_register_operand_write_back(GArmV7RegisterOperand *operand, bool wback)
+{
+ operand->write_back = wback;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande représentant un registre. *
+* *
+* Description : Indique si le registre est mis à jour après coup. *
+* *
+* Retour : Evolution du registre. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool g_armv7_register_operand_is_written_back(const GArmV7RegisterOperand *operand)
+{
+ bool result; /* Statut à retourner */
+
+ result = operand->write_back;
+
+ return result;
+
+}
+
/* ---------------------------------------------------------------------------------- */
/* TRANSPOSITIONS VIA CACHE DES OPERANDES */
@@ -237,6 +315,7 @@ static bool g_armv7_register_operand_unserialize(GArmV7RegisterOperand *operand,
GArchOperandClass *parent; /* Classe parente à consulter */
uint8_t index; /* Identifiant de registre */
GArmV7Register *reg; /* Registre à intégrer */
+ uint8_t wback; /* Mise à jour après coup ? */
parent = G_ARCH_OPERAND_CLASS(g_armv7_register_operand_parent_class);
@@ -257,6 +336,15 @@ static bool g_armv7_register_operand_unserialize(GArmV7RegisterOperand *operand,
}
+ if (result)
+ {
+ result = extract_packed_buffer(pbuf, &wback, sizeof(uint8_t), false);
+
+ if (result)
+ operand->write_back = (wback == 1 ? true : false);
+
+ }
+
return result;
}
@@ -281,6 +369,7 @@ static bool g_armv7_register_operand_serialize(const GArmV7RegisterOperand *oper
bool result; /* Bilan à retourner */
GArchOperandClass *parent; /* Classe parente à consulter */
uint8_t index; /* Identifiant de registre */
+ uint8_t wback; /* Mise à jour après coup ? */
parent = G_ARCH_OPERAND_CLASS(g_armv7_register_operand_parent_class);
@@ -292,6 +381,12 @@ static bool g_armv7_register_operand_serialize(const GArmV7RegisterOperand *oper
result = extend_packed_buffer(pbuf, &index, sizeof(uint8_t), false);
}
+ if (result)
+ {
+ wback = (operand->write_back ? 1 : 0);
+ result = extend_packed_buffer(pbuf, &wback, sizeof(uint8_t), false);
+ }
+
return result;
}
diff --git a/plugins/arm/v7/operands/register.h b/plugins/arm/v7/operands/register.h
index 61f5d6e..2bd13c6 100644
--- a/plugins/arm/v7/operands/register.h
+++ b/plugins/arm/v7/operands/register.h
@@ -60,6 +60,12 @@ GArchOperand *g_armv7_register_operand_new(GArmV7Register *);
/* Fournit le registre ARMv7 associé à l'opérande. */
const GArmV7Register *g_armv7_register_operand_get(const GArmV7RegisterOperand *);
+/* Détermine si le registre est mis à jour après l'opération. */
+void g_armv7_register_operand_write_back(GArmV7RegisterOperand *, bool);
+
+/* Indique si le registre est mis à jour après coup. */
+bool g_armv7_register_operand_is_written_back(const GArmV7RegisterOperand *);
+
#endif /* _PLUGINS_ARM_V7_OPERANDS_REGISTER_H */
diff --git a/plugins/arm/v7/operands/specreg.c b/plugins/arm/v7/operands/specreg.c
new file mode 100644
index 0000000..233e6fd
--- /dev/null
+++ b/plugins/arm/v7/operands/specreg.c
@@ -0,0 +1,378 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * specreg.c - registres spéciaux
+ *
+ * Copyright (C) 2018 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "specreg.h"
+
+
+#include <arch/operand-int.h>
+#include <common/sort.h>
+
+
+
+/* Définition d'un opérande de registre spécial (instance) */
+struct _GArmV7SpecRegOperand
+{
+ GArchOperand parent; /* Instance parente */
+
+ SpecRegType reg; /* Identifiant de registre */
+
+};
+
+
+/* Définition d'un opérande de registre spécial (classe) */
+struct _GArmV7SpecRegOperandClass
+{
+ GArchOperandClass parent; /* Classe parente */
+
+};
+
+
+/* Initialise la classe des opérandes de registre spécial. */
+static void g_armv7_specreg_operand_class_init(GArmV7SpecRegOperandClass *);
+
+/* Initialise une instance d'opérande de registre spécial. */
+static void g_armv7_specreg_operand_init(GArmV7SpecRegOperand *);
+
+/* Supprime toutes les références externes. */
+static void g_armv7_specreg_operand_dispose(GArmV7SpecRegOperand *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_armv7_specreg_operand_finalize(GArmV7SpecRegOperand *);
+
+/* Compare un opérande avec un autre. */
+static int g_armv7_specreg_operand_compare(const GArmV7SpecRegOperand *, const GArmV7SpecRegOperand *);
+
+/* Traduit un opérande en version humainement lisible. */
+static void g_armv7_specreg_operand_print(const GArmV7SpecRegOperand *, GBufferLine *, AsmSyntax);
+
+
+
+/* --------------------- TRANSPOSITIONS VIA CACHE DES OPERANDES --------------------- */
+
+
+/* Charge un opérande depuis une mémoire tampon. */
+static bool g_armv7_specreg_operand_unserialize(GArmV7SpecRegOperand *, GAsmStorage *, GBinFormat *, packed_buffer *);
+
+/* Sauvegarde un opérande dans une mémoire tampon. */
+static bool g_armv7_specreg_operand_serialize(const GArmV7SpecRegOperand *, GAsmStorage *, packed_buffer *);
+
+
+
+/* Indique le type défini par la GLib pour un opérande de registre spécial ARMv7. */
+G_DEFINE_TYPE(GArmV7SpecRegOperand, g_armv7_specreg_operand, G_TYPE_ARCH_OPERAND);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des opérandes de registre spécial. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_specreg_operand_class_init(GArmV7SpecRegOperandClass *klass)
+{
+ GObjectClass *object; /* Autre version de la classe */
+ GArchOperandClass *operand; /* Version de classe parente */
+
+ object = G_OBJECT_CLASS(klass);
+ operand = G_ARCH_OPERAND_CLASS(klass);
+
+ object->dispose = (GObjectFinalizeFunc/* ! */)g_armv7_specreg_operand_dispose;
+ object->finalize = (GObjectFinalizeFunc)g_armv7_specreg_operand_finalize;
+
+ operand->compare = (operand_compare_fc)g_armv7_specreg_operand_compare;
+ operand->print = (operand_print_fc)g_armv7_specreg_operand_print;
+
+ operand->unserialize = (unserialize_operand_fc)g_armv7_specreg_operand_unserialize;
+ operand->serialize = (serialize_operand_fc)g_armv7_specreg_operand_serialize;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance à initialiser. *
+* *
+* Description : Initialise une instance d'opérande de registre spécial. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_specreg_operand_init(GArmV7SpecRegOperand *operand)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance d'objet GLib à traiter. *
+* *
+* Description : Supprime toutes les références externes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_specreg_operand_dispose(GArmV7SpecRegOperand *operand)
+{
+ G_OBJECT_CLASS(g_armv7_specreg_operand_parent_class)->dispose(G_OBJECT(operand));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = instance d'objet GLib à traiter. *
+* *
+* Description : Procède à la libération totale de la mémoire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_specreg_operand_finalize(GArmV7SpecRegOperand *operand)
+{
+ G_OBJECT_CLASS(g_armv7_specreg_operand_parent_class)->finalize(G_OBJECT(operand));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un opérande avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static int g_armv7_specreg_operand_compare(const GArmV7SpecRegOperand *a, const GArmV7SpecRegOperand *b)
+{
+ int result; /* Bilan à faire remonter */
+
+ result = sort_unsigned_long(a->reg, b->reg);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à traiter. *
+* line = ligne tampon où imprimer l'opérande donné. *
+* syntax = type de représentation demandée. *
+* *
+* Description : Traduit un opérande en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_armv7_specreg_operand_print(const GArmV7SpecRegOperand *operand, GBufferLine *line, AsmSyntax syntax)
+{
+ switch (operand->reg)
+ {
+ case SRT_APSR:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "APSR", 4, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_CPSR:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "CPSR", 4, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_SPSR:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "SPSR", 4, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_APSR_NZCVQ:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "APSR_nzcvq", 10, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_APSR_G:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "APSR_g", 6, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_APSR_NZCVQG:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "APSR_nzcvqg", 11, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_FPSID:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "FPSID", 5, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_FPSCR:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "FPSCR", 5, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_MVFR1:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "MVFR1", 5, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_MVFR0:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "MVFR0", 5, RTT_REGISTER, NULL);
+ break;
+
+ case SRT_FPEXC:
+ g_buffer_line_append_text(line, BLC_ASSEMBLY, "FPEXC", 5, RTT_REGISTER, NULL);
+ break;
+
+ }
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : big = indication sur le boutisme à représenter. *
+* *
+* Description : Crée une représentation d'opérande de registre spécial. *
+* *
+* Retour : Opérande mis en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GArchOperand *g_armv7_specreg_operand_new(SpecRegType reg)
+{
+ GArmV7SpecRegOperand *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_ARMV7_SPECREG_OPERAND, NULL);
+
+ result->reg = reg;
+
+ return G_ARCH_OPERAND(result);
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande à consulter. *
+* *
+* Description : Indique le type de registre spécial représenté. *
+* *
+* Retour : Identifiant de registre spécial. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+SpecRegType g_armv7_specreg_operand_get_register(const GArmV7SpecRegOperand *operand)
+{
+ SpecRegType result; /* Désignation à retourner */
+
+ result = operand->reg;
+
+ return result;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* TRANSPOSITIONS VIA CACHE DES OPERANDES */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande d'assemblage à constituer. *
+* storage = mécanisme de sauvegarde à manipuler. *
+* format = format binaire chargé associé à l'architecture. *
+* pbuf = zone tampon à remplir. *
+* *
+* Description : Charge un opérande depuis une mémoire tampon. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv7_specreg_operand_unserialize(GArmV7SpecRegOperand *operand, GAsmStorage *storage, GBinFormat *format, packed_buffer *pbuf)
+{
+ bool result; /* Bilan à retourner */
+ GArchOperandClass *parent; /* Classe parente à consulter */
+
+ parent = G_ARCH_OPERAND_CLASS(g_armv7_specreg_operand_parent_class);
+
+ result = parent->unserialize(G_ARCH_OPERAND(operand), storage, format, pbuf);
+
+ if (result)
+ result = extract_packed_buffer(pbuf, &operand->reg, sizeof(SpecRegType), true);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : operand = opérande d'assemblage à consulter. *
+* storage = mécanisme de sauvegarde à manipuler. *
+* pbuf = zone tampon à remplir. *
+* *
+* Description : Sauvegarde un opérande dans une mémoire tampon. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static bool g_armv7_specreg_operand_serialize(const GArmV7SpecRegOperand *operand, GAsmStorage *storage, packed_buffer *pbuf)
+{
+ bool result; /* Bilan à retourner */
+ GArchOperandClass *parent; /* Classe parente à consulter */
+
+ parent = G_ARCH_OPERAND_CLASS(g_armv7_specreg_operand_parent_class);
+
+ result = parent->serialize(G_ARCH_OPERAND(operand), storage, pbuf);
+
+ if (result)
+ result = extend_packed_buffer(pbuf, &operand->reg, sizeof(SpecRegType), true);
+
+ return result;
+
+}
diff --git a/plugins/arm/v7/operands/specreg.h b/plugins/arm/v7/operands/specreg.h
new file mode 100644
index 0000000..2d1d744
--- /dev/null
+++ b/plugins/arm/v7/operands/specreg.h
@@ -0,0 +1,79 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * specreg.h - prototypes pour les registres spéciaux
+ *
+ * Copyright (C) 2018 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef _PLUGINS_ARM_V7_OPERANDS_SPECREG_H
+#define _PLUGINS_ARM_V7_OPERANDS_SPECREG_H
+
+
+#include <glib-object.h>
+
+
+#include <arch/operand.h>
+
+
+
+#define G_TYPE_ARMV7_SPECREG_OPERAND g_armv7_specreg_operand_get_type()
+#define G_ARMV7_SPECREG_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_ARMV7_SPECREG_OPERAND, GArmV7SpecRegOperand))
+#define G_IS_ARMV7_SPECREG_OPERAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_ARMV7_SPECREG_OPERAND))
+#define G_ARMV7_SPECREG_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_ARMV7_SPECREG_OPERAND, GArmV7SpecRegOperandClass))
+#define G_IS_ARMV7_SPECREG_OPERAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_ARMV7_SPECREG_OPERAND))
+#define G_ARMV7_SPECREG_OPERAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_ARMV7_SPECREG_OPERAND, GArmV7SpecRegOperandClass))
+
+
+/* Définition d'un opérande de registre spécial (instance) */
+typedef struct _GArmV7SpecRegOperand GArmV7SpecRegOperand;
+
+/* Définition d'un opérande de registre spécial (classe) */
+typedef struct _GArmV7SpecRegOperandClass GArmV7SpecRegOperandClass;
+
+
+/* Désignation des registres spéciaux */
+typedef enum _SpecRegType
+{
+ SRT_APSR,
+ SRT_CPSR,
+ SRT_SPSR,
+ SRT_APSR_NZCVQ,
+ SRT_APSR_G,
+ SRT_APSR_NZCVQG,
+ SRT_FPSID,
+ SRT_FPSCR,
+ SRT_MVFR1,
+ SRT_MVFR0,
+ SRT_FPEXC
+
+} SpecRegType;
+
+
+/* Indique le type défini par la GLib pour un opérande de registre spécial ARMv7. */
+GType g_armv7_specreg_operand_get_type(void);
+
+/* Crée une représentation d'opérande de registre spécial. */
+GArchOperand *g_armv7_specreg_operand_new(SpecRegType );
+
+/* Indique le type de registre spécial représenté. */
+SpecRegType g_armv7_specreg_operand_get_register(const GArmV7SpecRegOperand *);
+
+
+
+#endif /* _PLUGINS_ARM_V7_OPERANDS_SPECREG_H */