diff options
Diffstat (limited to 'plugins/arm/v7/operands/it.c')
| -rw-r--r-- | plugins/arm/v7/operands/it.c | 155 |
1 files changed, 135 insertions, 20 deletions
diff --git a/plugins/arm/v7/operands/it.c b/plugins/arm/v7/operands/it.c index 54e15ed..46e1b4c 100644 --- a/plugins/arm/v7/operands/it.c +++ b/plugins/arm/v7/operands/it.c @@ -27,30 +27,55 @@ #include <assert.h> -#include <arch/operand-int.h> #include <common/sort.h> -#include <gtkext/gtkblockdisplay.h> +#include <core/columns.h> + + +#include "../operand-int.h" /* -------------------------- DEFINITION D'UN NOUVEAU TYPE -------------------------- */ -/* Définition d'un opérande organisant l'application d'une instruction IT (instance) */ -struct _GArmV7ITCondOperand +/* Informations glissées dans la structure GObject de GArchOperand */ +typedef struct _a7itcop_extra_data_t { - GArchOperand parent; /* Instance parente */ + operand_extra_data_t parent; /* A laisser en premier */ ArmCondCode firstcond; /* Condition première */ uint8_t mask; /* Masque de l'interprétation */ +} a7itcop_extra_data_t; + + +/* Définition d'un opérande organisant l'application d'une instruction IT (instance) */ +struct _GArmV7ITCondOperand +{ + GArmV7Operand parent; /* Instance parente */ + }; +/** + * Accès aux informations éventuellement déportées. + */ + +#if 1 //__SIZEOF_INT__ == __SIZEOF_LONG__ + +# define GET_ARMV7_ITCOND_OP_EXTRA(op) ((a7itcop_extra_data_t *)&((GArchOperand *)op)->extra) + +#else + +# define GET_ARMV7_ITCOND_OP_EXTRA(op) GET_GOBJECT_EXTRA(G_OBJECT(op), a7itcop_extra_data_t) + +#endif + + /* Définition d'un opérande organisant l'application d'une instruction IT (classe) */ struct _GArmV7ITCondOperandClass { - GArchOperandClass parent; /* Classe parente */ + GArmV7OperandClass parent; /* Classe parente */ }; @@ -78,6 +103,9 @@ static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *, const GAr /* Traduit un opérande en version humainement lisible. */ static void g_armv7_itcond_operand_print(const GArmV7ITCondOperand *, GBufferLine *); +/* Fournit l'empreinte d'un candidat à une centralisation. */ +static guint g_armv7_itcond_operand_hash(const GArmV7ITCondOperand *, bool); + /* Charge un contenu depuis une mémoire tampon. */ static bool g_armv7_itcond_operand_load(GArmV7ITCondOperand *, GObjectStorage *, packed_buffer_t *); @@ -92,7 +120,7 @@ static bool g_armv7_itcond_operand_store(GArmV7ITCondOperand *, GObjectStorage * /* 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); +G_DEFINE_TYPE(GArmV7ITCondOperand, g_armv7_itcond_operand, G_TYPE_ARMV7_OPERAND); /****************************************************************************** @@ -120,8 +148,11 @@ static void g_armv7_itcond_operand_class_init(GArmV7ITCondOperandClass *klass) operand = G_ARCH_OPERAND_CLASS(klass); operand->compare = (operand_compare_fc)g_armv7_itcond_operand_compare; + operand->print = (operand_print_fc)g_armv7_itcond_operand_print; + operand->hash = (operand_hash_fc)g_armv7_itcond_operand_hash; + operand->load = (load_operand_fc)g_armv7_itcond_operand_load; operand->store = (store_operand_fc)g_armv7_itcond_operand_store; @@ -200,14 +231,17 @@ static void g_armv7_itcond_operand_finalize(GArmV7ITCondOperand *operand) GArchOperand *g_armv7_itcond_operand_new(uint8_t firstcond, uint8_t mask) { GArmV7ITCondOperand *result; /* Structure à retourner */ + a7itcop_extra_data_t *extra; /* Données insérées à modifier */ if (firstcond > ACC_NV) return NULL; result = g_object_new(G_TYPE_ARMV7_ITCOND_OPERAND, NULL); - result->firstcond = firstcond; - result->mask = mask; + extra = GET_ARMV7_ITCOND_OP_EXTRA(result); + + extra->firstcond = firstcond; + extra->mask = mask; return G_ARCH_OPERAND(result); @@ -229,8 +263,11 @@ GArchOperand *g_armv7_itcond_operand_new(uint8_t firstcond, uint8_t mask) ArmCondCode g_armv7_itcond_operand_get_firstcond(const GArmV7ITCondOperand *operand) { ArmCondCode result; /* Condition à renvoyer */ + a7itcop_extra_data_t *extra; /* Données insérées à modifier */ + + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); - result = operand->firstcond; + result = extra->firstcond; return result; @@ -252,8 +289,11 @@ ArmCondCode g_armv7_itcond_operand_get_firstcond(const GArmV7ITCondOperand *oper uint8_t g_armv7_itcond_operand_get_mask(const GArmV7ITCondOperand *operand) { uint8_t result; /* Valeur à retourner */ + a7itcop_extra_data_t *extra; /* Données insérées à modifier */ - result = operand->mask; + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); + + result = extra->mask; return result; @@ -283,12 +323,23 @@ uint8_t g_armv7_itcond_operand_get_mask(const GArmV7ITCondOperand *operand) static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *a, const GArmV7ITCondOperand *b, bool lock) { int result; /* Bilan à faire remonter */ + a7itcop_extra_data_t *ea; /* Données insérées à consulter*/ + a7itcop_extra_data_t *eb; /* Données insérées à consulter*/ GArchOperandClass *class; /* Classe parente normalisée */ - result = sort_boolean(a->firstcond, b->firstcond); + ea = GET_ARMV7_ITCOND_OP_EXTRA(a); + eb = GET_ARMV7_ITCOND_OP_EXTRA(b); + + if (lock) + { + LOCK_GOBJECT_EXTRA(ea); + LOCK_GOBJECT_EXTRA(eb); + } + + result = sort_boolean(ea->firstcond, eb->firstcond); if (result == 0) - result = sort_unsigned_long(a->mask, b->mask); + result = sort_unsigned_long(ea->mask, eb->mask); if (result == 0) { @@ -296,6 +347,12 @@ static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *a, const GA result = class->compare(G_ARCH_OPERAND(a), G_ARCH_OPERAND(b), false); } + if (lock) + { + UNLOCK_GOBJECT_EXTRA(eb); + UNLOCK_GOBJECT_EXTRA(ea); + } + return result; } @@ -316,9 +373,12 @@ static int g_armv7_itcond_operand_compare(const GArmV7ITCondOperand *a, const GA static void g_armv7_itcond_operand_print(const GArmV7ITCondOperand *operand, GBufferLine *line) { + a7itcop_extra_data_t *extra; /* Données insérées à consulter*/ const char *kw; /* Mot clef à imprimer */ - switch (operand->firstcond) + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); + + switch (extra->firstcond) { case ACC_EQ: kw = "EQ"; break; case ACC_NE: kw = "NE"; break; @@ -352,6 +412,45 @@ static void g_armv7_itcond_operand_print(const GArmV7ITCondOperand *operand, GBu /****************************************************************************** * * +* Paramètres : operand = objet dont l'instance se veut unique. * +* lock = précise le besoin en verrouillage. * +* * +* Description : Fournit l'empreinte d'un candidat à une centralisation. * +* * +* Retour : Empreinte de l'élément représenté. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static guint g_armv7_itcond_operand_hash(const GArmV7ITCondOperand *operand, bool lock) +{ + guint result; /* Valeur à retourner */ + a7itcop_extra_data_t *extra; /* Données internes à manipuler*/ + GArchOperandClass *class; /* Classe parente normalisée */ + + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); + + if (lock) + LOCK_GOBJECT_EXTRA(extra); + + class = G_ARCH_OPERAND_CLASS(g_armv7_itcond_operand_parent_class); + result = class->hash(G_ARCH_OPERAND(operand), false); + + result ^= extra->firstcond; + + result ^= extra->mask; + + if (lock) + UNLOCK_GOBJECT_EXTRA(extra); + + return result; + +} + + +/****************************************************************************** +* * * Paramètres : operand = élément GLib à constuire. * * storage = conservateur de données à manipuler ou NULL. * * pbuf = zone tampon à lire. * @@ -368,16 +467,26 @@ static bool g_armv7_itcond_operand_load(GArmV7ITCondOperand *operand, GObjectSto { bool result; /* Bilan à retourner */ GArchOperandClass *parent; /* Classe parente à consulter */ + uleb128_t value; /* Valeur ULEB128 à charger */ + a7itcop_extra_data_t *extra; /* Données insérées à modifier */ parent = G_ARCH_OPERAND_CLASS(g_armv7_itcond_operand_parent_class); result = parent->load(G_ARCH_OPERAND(operand), storage, pbuf); if (result) - result = extract_packed_buffer(pbuf, &operand->firstcond, sizeof(ArmCondCode), true); + { + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); - if (result) - result = extract_packed_buffer(pbuf, &operand->mask, sizeof(uint8_t), false); + result = unpack_uleb128(&value, pbuf); + + if (result) + extra->firstcond = value; + + if (result) + result = extract_packed_buffer(pbuf, &extra->mask, sizeof(uint8_t), false); + + } return result; @@ -402,16 +511,22 @@ static bool g_armv7_itcond_operand_store(GArmV7ITCondOperand *operand, GObjectSt { bool result; /* Bilan à retourner */ GArchOperandClass *parent; /* Classe parente à consulter */ + a7itcop_extra_data_t *extra; /* Données insérées à modifier */ parent = G_ARCH_OPERAND_CLASS(g_armv7_itcond_operand_parent_class); result = parent->store(G_ARCH_OPERAND(operand), storage, pbuf); if (result) - result = extend_packed_buffer(pbuf, &operand->firstcond, sizeof(ArmCondCode), true); + { + extra = GET_ARMV7_ITCOND_OP_EXTRA(operand); - if (result) - result = extend_packed_buffer(pbuf, &operand->mask, sizeof(uint8_t), false); + result = pack_uleb128((uleb128_t []){ extra->firstcond }, pbuf); + + if (result) + result = extend_packed_buffer(pbuf, &extra->mask, sizeof(uint8_t), false); + + } return result; |