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Diffstat (limited to 'src/arch/x86/registers.c')
-rw-r--r-- | src/arch/x86/registers.c | 642 |
1 files changed, 0 insertions, 642 deletions
diff --git a/src/arch/x86/registers.c b/src/arch/x86/registers.c deleted file mode 100644 index e0a4df1..0000000 --- a/src/arch/x86/registers.c +++ /dev/null @@ -1,642 +0,0 @@ - -/* OpenIDA - Outil d'analyse de fichiers binaires - * registers.c - aides auxiliaires relatives aux registres x86 - * - * Copyright (C) 2009-2010 Cyrille Bagard - * - * This file is part of OpenIDA. - * - * OpenIDA 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. - * - * OpenIDA 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 "registers.h" - - -#include <stdio.h> - - -#include "../operand-int.h" - - - -/* Liste des registres 8 bits */ -typedef enum _X868bRegister -{ - X86_REG8_AL = 0, /* Registre AL */ - X86_REG8_CL = 1, /* Registre AL */ - X86_REG8_DL = 2, /* Registre AL */ - X86_REG8_BL = 3, /* Registre AL */ - X86_REG8_AH = 4, /* Registre AH */ - X86_REG8_CH = 5, /* Registre AH */ - X86_REG8_DH = 6, /* Registre AH */ - X86_REG8_BH = 7, /* Registre AH */ - - X86_REG8_NONE /* Aucun registre */ - -} X868bRegister; - -/* Liste des registres 16 bits */ -typedef enum _X8616bRegister -{ - X86_REG16_AX = 0, /* Registre AX */ - X86_REG16_CX = 1, /* Registre AX */ - X86_REG16_DX = 2, /* Registre AX */ - X86_REG16_BX = 3, /* Registre AX */ - X86_REG16_SP = 4, /* Registre SP */ - X86_REG16_BP = 5, /* Registre BP */ - X86_REG16_SI = 6, /* Registre SI */ - X86_REG16_DI = 7, /* Registre DI */ - - X86_REG16_NONE /* Aucun registre */ - -} X8616bRegister; - -/* Liste des registres 32 bits */ -typedef enum _X8632bRegister -{ - X86_REG32_EAX = 0, /* Registre EAX */ - X86_REG32_ECX = 1, /* Registre EAX */ - X86_REG32_EDX = 2, /* Registre EAX */ - X86_REG32_EBX = 3, /* Registre EAX */ - X86_REG32_ESP = 4, /* Registre ESP */ - X86_REG32_EBP = 5, /* Registre EBP */ - X86_REG32_ESI = 6, /* Registre ESI */ - X86_REG32_EDI = 7, /* Registre EDI */ - - X86_REG32_NONE /* Aucun registre */ - -} X8632bRegister; - - -/* Représentation d'un registre x86 (instance) */ -struct _GX86Register -{ - GArchOperand parent; /* Instance parente */ - - MemoryDataSize size; /* Taille de ce registre */ - - union - { - X868bRegister reg8; /* Registre 8 bits */ - X8616bRegister reg16; /* Registre 16 bits */ - X8632bRegister reg32; /* Registre 32 bits */ - - } reg; - -}; - - -/* Représentation d'un registre x86 (classe) */ -struct _GX86RegisterClass -{ - GArchOperandClass parent; /* Classe parente */ - -}; - - -#define MAX_REGNAME_LEN 5 - - -/* Construit la chaîne de caractères correspondant à l'opérande. */ -static void g_x86_register_to_string(const GX86Register *, AsmSyntax, char [MAX_REGNAME_LEN], size_t *); - -/* Ajoute du texte simple à un fichier ouvert en écriture. */ -static void g_x86_register_add_text(const GX86Register *, GRenderingOptions *, MainRendering, FILE *); - -/* Ajoute à un tampon GLib le contenu de l'instance spécifiée. */ -static void g_x86_register_to_buffer(const GX86Register *, GBufferLine *, GRenderingOptions *); - - - -/* Indique le type défini pour une représentation d'un registre x86. */ -G_DEFINE_TYPE(GX86Register, g_x86_register, G_TYPE_CONTENT_EXPORTER); - - -/****************************************************************************** -* * -* Paramètres : klass = classe à initialiser. * -* * -* Description : Initialise la classe des lignes de représentation. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_x86_register_class_init(GX86RegisterClass *klass) -{ - -} - - -/****************************************************************************** -* * -* Paramètres : reg = instance à initialiser. * -* * -* Description : Initialise une instance de ligne de représentation. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_x86_register_init(GX86Register *reg) -{ - GContentExporter *parent; /* Instance parente */ - - parent = G_CONTENT_EXPORTER(reg); - - parent->add_text = (add_text_fc)g_x86_register_add_text; - parent->export_buffer = (export_buffer_fc)g_x86_register_to_buffer; - -} - - -/****************************************************************************** -* * -* Paramètres : size = indique la taille du registre. * -* value = valeur correspondant au registre. * -* * -* Description : Crée une réprésentation de registre x86. * -* * -* Retour : Adresse de la structure mise en place. * -* * -* Remarques : - * -* * -******************************************************************************/ - -GX86Register *g_x86_register_new(MemoryDataSize size, bin_t value) -{ - GX86Register *result; /* Structure à retourner */ - - result = g_object_new(G_TYPE_X86_REGISTER, NULL); - - result->size = size; - - switch (size) - { - case MDS_8_BITS: - switch (value) - { - case 0 ... 7: - result->reg.reg8 = (X868bRegister)value; - break; - default: - goto gxrn_error; - break; - } - break; - - case MDS_16_BITS: - switch (value) - { - case 0 ... 7: - result->reg.reg16 = (X8616bRegister)value; - break; - default: - goto gxrn_error; - break; - } - break; - - case MDS_32_BITS: - switch (value) - { - case 0 ... 7: - result->reg.reg32 = (X8632bRegister)value; - break; - default: - goto gxrn_error; - break; - } - break; - - default: - goto gxrn_error; - break; - - } - - return result; - - gxrn_error: - - /* FIXME free(result); */ - - return NULL; - -} - - - -/****************************************************************************** -* * -* Paramètres : operand = opérande à transcrire. * -* syntax = type de représentation demandée. * -* key = description humaine du registre. [OUT] * -* klen = nombre de caractères utilisés. [OUT] * -* * -* Description : Construit la chaîne de caractères correspondant à l'opérande.* -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_x86_register_to_string(const GX86Register *reg, AsmSyntax syntax, char key[MAX_REGNAME_LEN], size_t *klen) -{ - *klen = 0; - - switch (syntax) - { - case ASX_INTEL: - switch (reg->size) - { - case MDS_8_BITS: - *klen = 2; - switch (reg->reg.reg8) - { - case X86_REG8_AL: - snprintf(key, MAX_REGNAME_LEN, "al"); - break; - case X86_REG8_CL: - snprintf(key, MAX_REGNAME_LEN, "cl"); - break; - case X86_REG8_DL: - snprintf(key, MAX_REGNAME_LEN, "dl"); - break; - case X86_REG8_BL: - snprintf(key, MAX_REGNAME_LEN, "bl"); - break; - case X86_REG8_AH: - snprintf(key, MAX_REGNAME_LEN, "ah"); - break; - case X86_REG8_CH: - snprintf(key, MAX_REGNAME_LEN, "ch"); - break; - case X86_REG8_DH: - snprintf(key, MAX_REGNAME_LEN, "dh"); - break; - case X86_REG8_BH: - snprintf(key, MAX_REGNAME_LEN, "bh"); - break; - case X86_REG8_NONE: - /* Ne devrait jamais arriver */ - break; - } - break; - - case MDS_16_BITS: - *klen = 2; - switch (reg->reg.reg16) - { - case X86_REG16_AX: - snprintf(key, MAX_REGNAME_LEN, "ax"); - break; - case X86_REG16_CX: - snprintf(key, MAX_REGNAME_LEN, "cx"); - break; - case X86_REG16_DX: - snprintf(key, MAX_REGNAME_LEN, "dx"); - break; - case X86_REG16_BX: - snprintf(key, MAX_REGNAME_LEN, "bx"); - break; - case X86_REG16_SP: - snprintf(key, MAX_REGNAME_LEN, "sp"); - break; - case X86_REG16_BP: - snprintf(key, MAX_REGNAME_LEN, "bp"); - break; - case X86_REG16_SI: - snprintf(key, MAX_REGNAME_LEN, "si"); - break; - case X86_REG16_DI: - snprintf(key, MAX_REGNAME_LEN, "di"); - break; - case X86_REG16_NONE: - /* Ne devrait jamais arriver */ - break; - } - break; - - case MDS_32_BITS: - *klen = 3; - switch (reg->reg.reg32) - { - case X86_REG32_EAX: - snprintf(key, MAX_REGNAME_LEN, "eax"); - break; - case X86_REG32_ECX: - snprintf(key, MAX_REGNAME_LEN, "ecx"); - break; - case X86_REG32_EDX: - snprintf(key, MAX_REGNAME_LEN, "edx"); - break; - case X86_REG32_EBX: - snprintf(key, MAX_REGNAME_LEN, "ebx"); - break; - case X86_REG32_ESP: - snprintf(key, MAX_REGNAME_LEN, "esp"); - break; - case X86_REG32_EBP: - snprintf(key, MAX_REGNAME_LEN, "ebp"); - break; - case X86_REG32_ESI: - snprintf(key, MAX_REGNAME_LEN, "esi"); - break; - case X86_REG32_EDI: - snprintf(key, MAX_REGNAME_LEN, "edi"); - break; - case X86_REG32_NONE: - printf("null reg\n"); - /* Ne devrait jamais arriver */ - break; - } - break; - - default: - break; - - } - break; - - case ASX_ATT: - switch (reg->size) - { - case MDS_8_BITS: - *klen = 3; - switch (reg->reg.reg8) - { - case X86_REG8_AL: - snprintf(key, MAX_REGNAME_LEN, "%%al"); - break; - case X86_REG8_CL: - snprintf(key, MAX_REGNAME_LEN, "%%cl"); - break; - case X86_REG8_DL: - snprintf(key, MAX_REGNAME_LEN, "%%dl"); - break; - case X86_REG8_BL: - snprintf(key, MAX_REGNAME_LEN, "%%bl"); - break; - case X86_REG8_AH: - snprintf(key, MAX_REGNAME_LEN, "%%ah"); - break; - case X86_REG8_CH: - snprintf(key, MAX_REGNAME_LEN, "%%ch"); - break; - case X86_REG8_DH: - snprintf(key, MAX_REGNAME_LEN, "%%dh"); - break; - case X86_REG8_BH: - snprintf(key, MAX_REGNAME_LEN, "%%bh"); - break; - case X86_REG8_NONE: - /* Ne devrait jamais arriver */ - break; - } - break; - - case MDS_16_BITS: - *klen = 3; - switch (reg->reg.reg16) - { - case X86_REG16_AX: - snprintf(key, MAX_REGNAME_LEN, "%%ax"); - break; - case X86_REG16_CX: - snprintf(key, MAX_REGNAME_LEN, "%%cx"); - break; - case X86_REG16_DX: - snprintf(key, MAX_REGNAME_LEN, "%%dx"); - break; - case X86_REG16_BX: - snprintf(key, MAX_REGNAME_LEN, "%%bx"); - break; - case X86_REG16_SP: - snprintf(key, MAX_REGNAME_LEN, "%%sp"); - break; - case X86_REG16_BP: - snprintf(key, MAX_REGNAME_LEN, "%%bp"); - break; - case X86_REG16_SI: - snprintf(key, MAX_REGNAME_LEN, "%%si"); - break; - case X86_REG16_DI: - snprintf(key, MAX_REGNAME_LEN, "%%di"); - break; - case X86_REG16_NONE: - /* Ne devrait jamais arriver */ - break; - } - break; - - case MDS_32_BITS: - *klen = 4; - switch (reg->reg.reg32) - { - case X86_REG32_EAX: - snprintf(key, MAX_REGNAME_LEN, "%%eax"); - break; - case X86_REG32_ECX: - snprintf(key, MAX_REGNAME_LEN, "%%ecx"); - break; - case X86_REG32_EDX: - snprintf(key, MAX_REGNAME_LEN, "%%edx"); - break; - case X86_REG32_EBX: - snprintf(key, MAX_REGNAME_LEN, "%%ebx"); - break; - case X86_REG32_ESP: - snprintf(key, MAX_REGNAME_LEN, "%%esp"); - break; - case X86_REG32_EBP: - snprintf(key, MAX_REGNAME_LEN, "%%ebp"); - break; - case X86_REG32_ESI: - snprintf(key, MAX_REGNAME_LEN, "%%esi"); - break; - case X86_REG32_EDI: - snprintf(key, MAX_REGNAME_LEN, "%%edi"); - break; - case X86_REG32_NONE: - /* Ne devrait jamais arriver */ - break; - } - break; - - default: - break; - - } - break; - - default: - break; - - } - -} - - -/****************************************************************************** -* * -* Paramètres : reg = registre X86 à transcrire. * -* options = options de rendu. * -* rendering = support effectif final des lignes de code. * -* stream = flux ouvert en écriture. * -* * -* Description : Ajoute du texte simple à un fichier ouvert en écriture. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_x86_register_add_text(const GX86Register *reg, GRenderingOptions *options, MainRendering rendering, FILE *stream) -{ - char key[MAX_REGNAME_LEN]; /* Mot clef principal */ - size_t klen; /* Taille de ce mot clef */ - - g_x86_register_to_string(reg, g_rendering_options_get_syntax(options), key, &klen); - - g_content_exporter_insert_text(G_CONTENT_EXPORTER(reg), stream, - key, klen, RTT_REGISTER); - -} - - -/****************************************************************************** -* * -* Paramètres : reg = registre X86 à transcrire. * -* buffer = espace où placer ledit contenu. * -* options = options de rendu. * -* * -* Description : Ajoute à un tampon GLib le contenu de l'instance spécifiée. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_x86_register_to_buffer(const GX86Register *reg, GBufferLine *buffer, GRenderingOptions *options) -{ - char key[MAX_REGNAME_LEN]; /* Mot clef principal */ - size_t klen; /* Taille de ce mot clef */ - - g_x86_register_to_string(reg, g_rendering_options_get_syntax(options), key, &klen); - - g_content_exporter_insert_into_buffer(G_CONTENT_EXPORTER(reg), buffer, BLC_ASSEMBLY, - key, klen, RTT_REGISTER); - -} - - -/****************************************************************************** -* * -* Paramètres : reg = registre à consulter. * -* * -* Description : Indique si le registre correspond à ebp ou similaire. * -* * -* Retour : true si la correspondance est avérée, false sinon. * -* * -* Remarques : - * -* * -******************************************************************************/ - -bool g_x86_register_is_base_pointer(const GX86Register *reg) -{ - bool result; /* Bilan à remonter */ - - switch (reg->size) - { - case MDS_8_BITS_UNSIGNED: - case MDS_8_BITS_SIGNED: - result = (reg->reg.reg8 == X86_REG8_CH); - break; - case MDS_16_BITS_UNSIGNED: - case MDS_16_BITS_SIGNED: - result = (reg->reg.reg16 == X86_REG16_BP); - break; - case MDS_32_BITS_UNSIGNED: - case MDS_32_BITS_SIGNED: - result = (reg->reg.reg32 == X86_REG32_EBP); - break; - /* - case MDS_64_BITS_UNSIGNED: - case MDS_64_BITS_SIGNED: - result = (reg->reg.reg8 == X86_REG8_CH); - break; - */ - default: - result = false; - - } - - return result; - -} - - -/****************************************************************************** -* * -* Paramètres : reg = registre à consulter. * -* * -* Description : Indique si le registre correspond à esp ou similaire. * -* * -* Retour : true si la correspondance est avérée, false sinon. * -* * -* Remarques : - * -* * -******************************************************************************/ - -bool g_x86_register_is_stack_pointer(const GX86Register *reg) -{ - bool result; /* Bilan à remonter */ - - switch (reg->size) - { - case MDS_8_BITS_UNSIGNED: - case MDS_8_BITS_SIGNED: - result = (reg->reg.reg8 == X86_REG8_AH); - break; - case MDS_16_BITS_UNSIGNED: - case MDS_16_BITS_SIGNED: - result = (reg->reg.reg16 == X86_REG16_SP); - break; - case MDS_32_BITS_UNSIGNED: - case MDS_32_BITS_SIGNED: - result = (reg->reg.reg32 == X86_REG32_ESP); - break; - /* - case MDS_64_BITS_UNSIGNED: - case MDS_64_BITS_SIGNED: - result = (reg->reg.reg8 == X86_REG8_CH); - break; - */ - default: - result = false; - - } - - return result; - -} |