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Diffstat (limited to 'src/arch/mips/processor.c')
-rw-r--r-- | src/arch/mips/processor.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/src/arch/mips/processor.c b/src/arch/mips/processor.c deleted file mode 100644 index 6d6cc71..0000000 --- a/src/arch/mips/processor.c +++ /dev/null @@ -1,307 +0,0 @@ - -/* Chrysalide - Outil d'analyse de fichiers binaires - * processor.c - gestion de l'architecture mips - * - * Copyright (C) 2009-2017 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 Foobar. If not, see <http://www.gnu.org/licenses/>. - */ - - -#include "processor.h" - - -#include "../processor-int.h" -#include "opcodes.h" - - - -/* Définition du processeur de la mips (instance) */ -struct _GMipsProcessor -{ - GArchProcessor parent; /* Instance parente */ - -}; - - -/* Définition du processeur de la mips (classe) */ -struct _GMipsProcessorClass -{ - GArchProcessorClass parent; /* Classe parente */ - -}; - - -/* Initialise la classe des lignes de descriptions initiales. */ -static void g_mips_processor_class_init(GMipsProcessorClass *); - -/* Initialise la classe des lignes de descriptions initiales. */ -static void g_mips_processor_init(GMipsProcessor *); - -/* Supprime toutes les références externes. */ -static void g_mips_processor_dispose(GMipsProcessor *); - -/* Procède à la libération totale de la mémoire. */ -static void g_mips_processor_finalize(GMipsProcessor *); - -/* Décode une instruction dans un flux de données. */ -static GArchInstruction *g_mips_processor_decode_instruction(const GMipsProcessor *, const bin_t *, off_t *, off_t, vmpa_t); - - -/* Indique le type défini par la GLib pour le processeur mips. */ -G_DEFINE_TYPE(GMipsProcessor, g_mips_processor, G_TYPE_ARCH_PROCESSOR); - - - -/****************************************************************************** -* * -* Paramètres : klass = classe à initialiser. * -* * -* Description : Initialise la classe des lignes de descriptions initiales. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_mips_processor_class_init(GMipsProcessorClass *klass) -{ - GObjectClass *object; /* Autre version de la classe */ - GArchProcessorClass *proc; /* Encore une autre vision... */ - - object = G_OBJECT_CLASS(klass); - - object->dispose = (GObjectFinalizeFunc/* ! */)g_mips_processor_dispose; - object->finalize = (GObjectFinalizeFunc)g_mips_processor_finalize; - - proc = G_ARCH_PROCESSOR_CLASS(klass); - - proc->decode = (decode_instruction_fc)g_mips_processor_decode_instruction; - -} - - -/****************************************************************************** -* * -* Paramètres : proc = instance à initialiser. * -* * -* Description : Initialise la classe des lignes de descriptions initiales. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_mips_processor_init(GMipsProcessor *proc) -{ - GArchProcessor *parent; /* Instance parente */ - - parent = G_ARCH_PROCESSOR(proc); - - parent->endianness = SRE_BIG; - parent->memsize = MDS_32_BITS; - -} - - -/****************************************************************************** -* * -* Paramètres : proc = instance d'objet GLib à traiter. * -* * -* Description : Supprime toutes les références externes. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_mips_processor_dispose(GMipsProcessor *proc) -{ - G_OBJECT_CLASS(g_mips_processor_parent_class)->dispose(G_OBJECT(proc)); - -} - - -/****************************************************************************** -* * -* Paramètres : bookmark = instance d'objet GLib à traiter. * -* * -* Description : Procède à la libération totale de la mémoire. * -* * -* Retour : - * -* * -* Remarques : - * -* * -******************************************************************************/ - -static void g_mips_processor_finalize(GMipsProcessor *proc) -{ - G_OBJECT_CLASS(g_mips_processor_parent_class)->finalize(G_OBJECT(proc)); - -} - - -/****************************************************************************** -* * -* Paramètres : - * -* * -* Description : Crée le support de l'architecture mips. * -* * -* Retour : Architecture mise en place. * -* * -* Remarques : - * -* * -******************************************************************************/ - -GArchProcessor *g_mips_processor_new(void) -{ - GArchProcessor *result; /* Structure à retourner */ - - result = g_object_new(G_TYPE_MIPS_PROCESSOR, NULL); - - return result; - -} - - -/****************************************************************************** -* * -* Paramètres : proc = architecture visée par la procédure. * -* data = flux de données à analyser. * -* pos = position courante dans ce flux. [OUT] * -* len = taille totale des données à analyser. * -* addr = adresse virtuelle de l'instruction. * -* * -* Description : Décode une instruction dans un flux de données. * -* * -* Retour : Instruction mise en place. * -* * -* Remarques : - * -* * -******************************************************************************/ - -static GArchInstruction *g_mips_processor_decode_instruction(const GMipsProcessor *proc, const bin_t *data, off_t *pos, off_t len, vmpa_t addr) -{ - GArchInstruction *result; /* Instruction à renvoyer */ - MipsOpcodes id; /* Identifiant d'instruction */ - - id = mips_guess_next_instruction(data, *pos, len); - - switch (id) - { - case MOP_NOP: - result = mips_read_instr_nop(data, pos, len, addr, proc); - break; - - - case MOP_SRA: - result = mips_read_instr_shift_word_right_arithmetic(data, pos, len, addr, proc); - break; - - - case MOP_JR: - result = mips_read_instr_jump_register(data, pos, len, addr, proc); - break; - - case MOP_JALR: - case MOP_JALR_HB: - result = mips_read_instr_jump_and_link_register(data, pos, len, addr, proc); - break; - - - - case MOP_ADDU: - result = mips_read_instr_add_unsigned(data, pos, len, addr, proc); - break; - - case MOP_SUB: - result = mips_read_instr_subtract_word(data, pos, len, addr, proc); - break; - - case MOP_SUBU: - result = mips_read_instr_subtract_unsigned_word(data, pos, len, addr, proc); - break; - - - - case MOP_AND: - result = mips_read_instr_and(data, pos, len, addr, proc); - break; - - - - case MOP_BGEZAL: - result = mips_read_instr_branch_on_greater_than_or_equal_to_zero_and_link(data, pos, len, addr, proc); - break; - - - case MOP_BEQ: - result = mips_read_instr_branch_on_equal(data, pos, len, addr, proc); - break; - - - case MOP_BNE: - result = mips_read_instr_branch_on_not_equal(data, pos, len, addr, proc); - break; - - - case MOP_ADDIU: - result = mips_read_instr_add_immediate_unsigned(data, pos, len, addr, proc); - break; - - - case MOP_BEQL: - result = mips_read_instr_branch_on_equal_likely(data, pos, len, addr, proc); - break; - - - case MOP_LW: - result = mips_read_instr_load_word(data, pos, len, addr, proc); - break; - - - case MOP_LUI: - result = mips_read_instr_load_upper_immediate(data, pos, len, addr, proc); - break; - - - - case MOP_LBU: - result = mips_read_instr_load_byte_unisgned(data, pos, len, addr, proc); - break; - - - case MOP_SB: - result = mips_read_instr_store_byte(data, pos, len, addr, proc); - break; - - case MOP_SW: - result = mips_read_instr_store_word(data, pos, len, addr, proc); - break; - - - default: - result = NULL; - break; - - } - - return result; - -} |