diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2018-05-14 19:40:07 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2018-05-14 19:40:07 (GMT) |
commit | 0286b53bad21abf91cbe17c4772ca9cde6a89cbc (patch) | |
tree | 3bec9dc7e118c00ce9c748576b01606a71880ad7 /plugins/arm/v7/operands/offset.c | |
parent | 267b1ae8608ed4bf52de743798e8647c903ee1b4 (diff) |
Created an instruction database for Chrysalide.
Diffstat (limited to 'plugins/arm/v7/operands/offset.c')
-rw-r--r-- | plugins/arm/v7/operands/offset.c | 114 |
1 files changed, 113 insertions, 1 deletions
diff --git a/plugins/arm/v7/operands/offset.c b/plugins/arm/v7/operands/offset.c index 10c7cb5..ffa3fac 100644 --- a/plugins/arm/v7/operands/offset.c +++ b/plugins/arm/v7/operands/offset.c @@ -68,6 +68,17 @@ static void g_armv7_offset_operand_print(const GArmV7OffsetOperand *, GBufferLin +/* --------------------- TRANSPOSITIONS VIA CACHE DES OPERANDES --------------------- */ + + +/* Charge un opérande depuis une mémoire tampon. */ +static bool g_armv7_offset_operand_unserialize(GArmV7OffsetOperand *, GAsmStorage *, GBinFormat *, packed_buffer *); + +/* Sauvegarde un opérande dans une mémoire tampon. */ +static bool g_armv7_offset_operand_serialize(const GArmV7OffsetOperand *, GAsmStorage *, packed_buffer *); + + + /* Indique le type défini par la GLib pour un décalage relatif ARMv7. */ G_DEFINE_TYPE(GArmV7OffsetOperand, g_armv7_offset_operand, G_TYPE_ARCH_OPERAND); @@ -98,6 +109,9 @@ static void g_armv7_offset_operand_class_init(GArmV7OffsetOperandClass *klass) operand->compare = (operand_compare_fc)g_armv7_offset_operand_compare; operand->print = (operand_print_fc)g_armv7_offset_operand_print; + operand->unserialize = (unserialize_operand_fc)g_armv7_offset_operand_unserialize; + operand->serialize = (serialize_operand_fc)g_armv7_offset_operand_serialize; + } @@ -115,6 +129,7 @@ static void g_armv7_offset_operand_class_init(GArmV7OffsetOperandClass *klass) static void g_armv7_offset_operand_init(GArmV7OffsetOperand *operand) { + operand->value = NULL; } @@ -133,7 +148,8 @@ static void g_armv7_offset_operand_init(GArmV7OffsetOperand *operand) static void g_armv7_offset_operand_dispose(GArmV7OffsetOperand *operand) { - g_object_unref(G_OBJECT(operand->value)); + if (operand->value != NULL) + g_object_unref(G_OBJECT(operand->value)); G_OBJECT_CLASS(g_armv7_offset_operand_parent_class)->dispose(G_OBJECT(operand)); @@ -281,3 +297,99 @@ GArchOperand *g_armv7_offset_operand_get_value(const GArmV7OffsetOperand *operan 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_offset_operand_unserialize(GArmV7OffsetOperand *operand, GAsmStorage *storage, GBinFormat *format, packed_buffer *pbuf) +{ + bool result; /* Bilan à retourner */ + GArchOperandClass *parent; /* Classe parente à consulter */ + GArchOperand *value; /* Valeur à intégrer */ + uint8_t positive; /* Sens du décalage */ + + parent = G_ARCH_OPERAND_CLASS(g_armv7_offset_operand_parent_class); + + result = parent->unserialize(G_ARCH_OPERAND(operand), storage, format, pbuf); + + if (result) + { + value = g_arch_operand_load(storage, format, pbuf); + + if (value == NULL) + result = false; + + else + operand->value = value; + + } + + if (result) + { + result = extract_packed_buffer(pbuf, &positive, sizeof(uint8_t), false); + + if (result) + operand->positive = (positive == 1 ? true : 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_offset_operand_serialize(const GArmV7OffsetOperand *operand, GAsmStorage *storage, packed_buffer *pbuf) +{ + bool result; /* Bilan à retourner */ + GArchOperandClass *parent; /* Classe parente à consulter */ + uint8_t positive; /* Sens du décalage */ + + parent = G_ARCH_OPERAND_CLASS(g_armv7_offset_operand_parent_class); + + result = parent->serialize(G_ARCH_OPERAND(operand), storage, pbuf); + + if (result) + { + positive = (operand->positive ? 1 : 0); + result = extend_packed_buffer(pbuf, &positive, sizeof(uint8_t), false); + } + + if (result) + result = g_arch_operand_store(operand->value, storage, pbuf); + + return result; + +} |