diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2018-05-11 14:10:49 (GMT) |
---|---|---|
committer | Cyrille Bagard <nocbos@gmail.com> | 2018-05-11 14:10:49 (GMT) |
commit | eaf46c79d5b1db06f1f1f7da17a37ec007af2d92 (patch) | |
tree | 63126e13d1524cac5259d02a5df281c6055075dd /plugins | |
parent | b24aca86f0a096730fa8df440f7493556b39ae46 (diff) |
Implemented a singleton system for ARMv7 registers.
Diffstat (limited to 'plugins')
-rw-r--r-- | plugins/arm/v7/core.c | 4 | ||||
-rw-r--r-- | plugins/arm/v7/cregister.c | 162 | ||||
-rw-r--r-- | plugins/arm/v7/cregister.h | 11 | ||||
-rw-r--r-- | plugins/arm/v7/operands/reglist.c | 5 | ||||
-rw-r--r-- | plugins/arm/v7/register.c | 136 | ||||
-rw-r--r-- | plugins/arm/v7/register.h | 12 | ||||
-rw-r--r-- | plugins/dalvik/operands/register.c | 2 | ||||
-rw-r--r-- | plugins/dalvik/register.c | 4 | ||||
-rw-r--r-- | plugins/dalvik/register.h | 5 |
9 files changed, 310 insertions, 31 deletions
diff --git a/plugins/arm/v7/core.c b/plugins/arm/v7/core.c index a2ed090..4de61a2 100644 --- a/plugins/arm/v7/core.c +++ b/plugins/arm/v7/core.c @@ -25,7 +25,9 @@ #include <core/processors.h> +#include "cregister.h" #include "processor.h" +#include "register.h" @@ -66,5 +68,7 @@ bool init_armv7_core(void) void exit_armv7_core(void) { + clean_armv7_cregister_cache(); + clean_armv7_register_cache(); } diff --git a/plugins/arm/v7/cregister.c b/plugins/arm/v7/cregister.c index 03607e2..7b39e02 100644 --- a/plugins/arm/v7/cregister.c +++ b/plugins/arm/v7/cregister.c @@ -31,6 +31,9 @@ +/* ------------------------- GESTION UNITAIRE DES REGISTRES ------------------------- */ + + /* Représentation d'un registre de co-processeur ARMv7 (instance) */ struct _GArmV7CRegister { @@ -63,6 +66,23 @@ static void g_armv7_cregister_finalize(GArmV7CRegister *); /* Traduit un registre en version humainement lisible. */ static void g_armv7_cregister_print(const GArmV7CRegister *, GBufferLine *, AsmSyntax); +/* Crée une réprésentation de registre de co-processeur ARMv7. */ +static GArmV7CRegister *_g_armv7_cregister_new(uint8_t); + + + +/* ------------------------ GESTION SOUS FORME DE SINGLETONS ------------------------ */ + + +/* Conservation des registres utilisés */ +static GArmV7CRegister **_armv7_cregisters = NULL; +static size_t _av7creg_count = 0; +G_LOCK_DEFINE_STATIC(_av7creg_mutex); + + +/* Fournit le singleton associé à un registre de co-proc. ARMv7. */ +static GArmV7CRegister *get_armv7_cregister(uint8_t); + /* Indique le type défini pour une représentation d'un registre de co-processeur ARMv7. */ @@ -155,6 +175,40 @@ static void g_armv7_cregister_finalize(GArmV7CRegister *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_cregister_print(const GArmV7CRegister *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 ... 15: + klen = snprintf(key, MAX_REGNAME_LEN, "c%hhu", G_ARM_REGISTER(reg)->index); + break; + default: + klen = snprintf(key, MAX_REGNAME_LEN, "c??"); + 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 de co-processeur ARMv7. * @@ -165,7 +219,7 @@ static void g_armv7_cregister_finalize(GArmV7CRegister *reg) * * ******************************************************************************/ -GArmV7CRegister *g_armv7_cregister_new(uint8_t index) +static GArmV7CRegister *_g_armv7_cregister_new(uint8_t index) { GArmV7CRegister *result; /* Structure à retourner */ @@ -180,33 +234,107 @@ GArmV7CRegister *g_armv7_cregister_new(uint8_t index) /****************************************************************************** * * -* Paramètres : reg = registre à transcrire. * -* line = ligne tampon où imprimer l'opérande donné. * -* syntax = type de représentation demandée. * +* Paramètres : index = indice du registre correspondant. * * * -* Description : Traduit un registre en version humainement lisible. * +* Description : Crée une réprésentation de registre de co-processeur ARMv7. * * * -* Retour : - * +* Retour : Adresse de la structure mise en place. * * * * Remarques : - * * * ******************************************************************************/ -static void g_armv7_cregister_print(const GArmV7CRegister *reg, GBufferLine *line, AsmSyntax syntax) +GArmV7CRegister *g_armv7_cregister_new(uint8_t index) { - char key[MAX_REGNAME_LEN]; /* Mot clef principal */ - size_t klen; /* Taille de ce mot clef */ + GArmV7CRegister *result; /* Structure à retourner */ - switch (G_ARM_REGISTER(reg)->index) + result = get_armv7_cregister(index); + + return result; + +} + + + +/* ---------------------------------------------------------------------------------- */ +/* GESTION SOUS FORME DE SINGLETONS */ +/* ---------------------------------------------------------------------------------- */ + + +/****************************************************************************** +* * +* Paramètres : index = indice du registre correspondant. * +* * +* Description : Fournit le singleton associé à un registre de co-proc. ARMv7.* +* * +* Retour : Adresse de la structure mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static GArmV7CRegister *get_armv7_cregister(uint8_t index) +{ + GArmV7CRegister *result; /* Structure à retourner */ + size_t new_count; /* Nouvelle taille à considérer*/ + size_t i; /* Boucle de parcours */ + + G_LOCK(_av7creg_mutex); + + if (index >= _av7creg_count) { - case 0 ... 15: - klen = snprintf(key, MAX_REGNAME_LEN, "c%hhu", G_ARM_REGISTER(reg)->index); - break; - default: - klen = snprintf(key, MAX_REGNAME_LEN, "c??"); - break; + new_count = index + 1; + + _armv7_cregisters = realloc(_armv7_cregisters, new_count * sizeof(GArmV7CRegister *)); + + for (i = _av7creg_count; i < new_count; i++) + _armv7_cregisters[i] = NULL; + + _av7creg_count = new_count; + } - g_buffer_line_append_text(line, BLC_ASSEMBLY, key, klen, RTT_REGISTER, NULL); + if (_armv7_cregisters[index] == NULL) + _armv7_cregisters[index] = _g_armv7_cregister_new(index); + + result = _armv7_cregisters[index]; + + G_UNLOCK(_av7creg_mutex); + + g_object_ref(G_OBJECT(result)); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Vide totalement le cache des registres ARMv7. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void clean_armv7_cregister_cache(void) +{ + size_t i; /* Boucle de parcours */ + + G_LOCK(_av7creg_mutex); + + for (i = 0; i < _av7creg_count; i++) + g_object_unref(G_OBJECT(_armv7_cregisters[i])); + + if (_armv7_cregisters != NULL) + free(_armv7_cregisters); + + _armv7_cregisters = NULL; + _av7creg_count = 0; + + G_UNLOCK(_av7creg_mutex); } diff --git a/plugins/arm/v7/cregister.h b/plugins/arm/v7/cregister.h index 4cbea8f..857c11d 100644 --- a/plugins/arm/v7/cregister.h +++ b/plugins/arm/v7/cregister.h @@ -30,6 +30,9 @@ +/* ------------------------- GESTION UNITAIRE DES REGISTRES ------------------------- */ + + #define G_TYPE_ARMV7_CREGISTER g_armv7_cregister_get_type() #define G_ARMV7_CREGISTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv7_cregister_get_type(), GArmV7CRegister)) #define G_IS_ARMV7_CREGISTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv7_cregister_get_type())) @@ -53,4 +56,12 @@ GArmV7CRegister *g_armv7_cregister_new(uint8_t); +/* ------------------------ GESTION SOUS FORME DE SINGLETONS ------------------------ */ + + +/* Vide totalement le cache des registres ARMv7. */ +void clean_armv7_cregister_cache(void); + + + #endif /* _PLUGINS_ARM_V7_CREGISTER_H */ diff --git a/plugins/arm/v7/operands/reglist.c b/plugins/arm/v7/operands/reglist.c index fb36a24..9fe9245 100644 --- a/plugins/arm/v7/operands/reglist.c +++ b/plugins/arm/v7/operands/reglist.c @@ -138,11 +138,6 @@ static void g_armv7_reglist_operand_init(GArmV7RegListOperand *operand) static void g_armv7_reglist_operand_dispose(GArmV7RegListOperand *operand) { - size_t i; /* Boucle de parcours */ - - for (i = 0; i < operand->count; i++) - g_object_unref(G_OBJECT(operand->registers[i])); - G_OBJECT_CLASS(g_armv7_reglist_operand_parent_class)->dispose(G_OBJECT(operand)); } diff --git a/plugins/arm/v7/register.c b/plugins/arm/v7/register.c index 1b17062..c2e15b0 100644 --- a/plugins/arm/v7/register.c +++ b/plugins/arm/v7/register.c @@ -31,6 +31,9 @@ +/* ------------------------- GESTION UNITAIRE DES REGISTRES ------------------------- */ + + /* Représentation d'un registre ARMv7 (instance) */ struct _GArmV7Register { @@ -65,6 +68,29 @@ static void g_armv7_register_finalize(GArmV7Register *); /* Traduit un registre en version humainement lisible. */ static void g_armv7_register_print(const GArmV7Register *, GBufferLine *, AsmSyntax); +/* Crée une réprésentation de registre ARMv7. */ +static GArmV7Register *_g_armv7_register_new(uint8_t); + + + +/* ------------------------ GESTION SOUS FORME DE SINGLETONS ------------------------ */ + + +/* Conservation des registres utilisés */ +static GArmV7Register **_armv7_registers = NULL; +static size_t _av7reg_count = 0; +G_LOCK_DEFINE_STATIC(_av7reg_mutex); + + +/* Fournit le singleton associé à un registre ARMv7. */ +static GArmV7Register *get_armv7_register(uint8_t); + + + +/* ---------------------------------------------------------------------------------- */ +/* GESTION UNITAIRE DES REGISTRES */ +/* ---------------------------------------------------------------------------------- */ + /* Indique le type défini pour une représentation d'un registre ARMv7. */ @@ -216,7 +242,7 @@ static void g_armv7_register_print(const GArmV7Register *reg, GBufferLine *line, * * ******************************************************************************/ -GArmV7Register *g_armv7_register_new(uint8_t index) +static GArmV7Register *_g_armv7_register_new(uint8_t index) { GArmV7Register *result; /* Structure à retourner */ @@ -227,3 +253,111 @@ GArmV7Register *g_armv7_register_new(uint8_t index) return result; } + + +/****************************************************************************** +* * +* 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 = get_armv7_register(index); + + return result; + +} + + + +/* ---------------------------------------------------------------------------------- */ +/* GESTION SOUS FORME DE SINGLETONS */ +/* ---------------------------------------------------------------------------------- */ + + +/****************************************************************************** +* * +* Paramètres : index = indice du registre correspondant. * +* * +* Description : Fournit le singleton associé à un registre ARMv7. * +* * +* Retour : Adresse de la structure mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static GArmV7Register *get_armv7_register(uint8_t index) +{ + GArmV7Register *result; /* Structure à retourner */ + size_t new_count; /* Nouvelle taille à considérer*/ + size_t i; /* Boucle de parcours */ + + G_LOCK(_av7reg_mutex); + + if (index >= _av7reg_count) + { + new_count = index + 1; + + _armv7_registers = realloc(_armv7_registers, new_count * sizeof(GArmV7Register *)); + + for (i = _av7reg_count; i < new_count; i++) + _armv7_registers[i] = NULL; + + _av7reg_count = new_count; + + } + + if (_armv7_registers[index] == NULL) + _armv7_registers[index] = _g_armv7_register_new(index); + + result = _armv7_registers[index]; + + G_UNLOCK(_av7reg_mutex); + + g_object_ref(G_OBJECT(result)); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Vide totalement le cache des registres ARMv7. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void clean_armv7_register_cache(void) +{ + size_t i; /* Boucle de parcours */ + + G_LOCK(_av7reg_mutex); + + for (i = 0; i < _av7reg_count; i++) + g_object_unref(G_OBJECT(_armv7_registers[i])); + + if (_armv7_registers != NULL) + free(_armv7_registers); + + _armv7_registers = NULL; + _av7reg_count = 0; + + G_UNLOCK(_av7reg_mutex); + +} diff --git a/plugins/arm/v7/register.h b/plugins/arm/v7/register.h index a5b11c1..7596bac 100644 --- a/plugins/arm/v7/register.h +++ b/plugins/arm/v7/register.h @@ -26,11 +26,13 @@ #include <glib-object.h> -#include <stdbool.h> #include <stdint.h> +/* ------------------------- GESTION UNITAIRE DES REGISTRES ------------------------- */ + + #define G_TYPE_ARMV7_REGISTER g_armv7_register_get_type() #define G_ARMV7_REGISTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_armv7_register_get_type(), GArmV7Register)) #define G_IS_ARMV7_REGISTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_armv7_register_get_type())) @@ -54,4 +56,12 @@ GArmV7Register *g_armv7_register_new(uint8_t); +/* ------------------------ GESTION SOUS FORME DE SINGLETONS ------------------------ */ + + +/* Vide totalement le cache des registres ARMv7. */ +void clean_armv7_register_cache(void); + + + #endif /* _PLUGINS_ARM_V7_REGISTER_H */ diff --git a/plugins/dalvik/operands/register.c b/plugins/dalvik/operands/register.c index 79d8756..71da97f 100644 --- a/plugins/dalvik/operands/register.c +++ b/plugins/dalvik/operands/register.c @@ -34,7 +34,7 @@ struct _GDalvikRegisterOperand { GArchOperand parent; /* Instance parente */ - const GDalvikRegister *reg; /* Registre représenté */ + GDalvikRegister *reg; /* Registre représenté */ bool is_written; /* Changement de contenu */ }; diff --git a/plugins/dalvik/register.c b/plugins/dalvik/register.c index 8374e75..1e59421 100644 --- a/plugins/dalvik/register.c +++ b/plugins/dalvik/register.c @@ -76,7 +76,7 @@ static guint g_dalvik_register_hash(const GDalvikRegister *); static void g_dalvik_register_print(const GDalvikRegister *, GBufferLine *, AsmSyntax); /* Crée une réprésentation de registre Dalvik. */ -GDalvikRegister *_g_dalvik_register_new(uint16_t); +static GDalvikRegister *_g_dalvik_register_new(uint16_t); @@ -261,7 +261,7 @@ static void g_dalvik_register_print(const GDalvikRegister *reg, GBufferLine *lin * * ******************************************************************************/ -GDalvikRegister *_g_dalvik_register_new(uint16_t index) +static GDalvikRegister *_g_dalvik_register_new(uint16_t index) { GDalvikRegister *result; /* Structure à retourner */ diff --git a/plugins/dalvik/register.h b/plugins/dalvik/register.h index ec45c12..ffa44e4 100644 --- a/plugins/dalvik/register.h +++ b/plugins/dalvik/register.h @@ -26,10 +26,7 @@ #include <glib-object.h> -#include <stdbool.h> - - -#include <arch/archbase.h> +#include <stdint.h> |