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/* Chrysalide - Outil d'analyse de fichiers binaires
* processor.h - prototypes pour la gestion générique des architectures
*
* Copyright (C) 2008-2019 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ARCH_PROCESSOR_H
#define _ARCH_PROCESSOR_H
#include <glib-object.h>
#include "context.h"
#include "instriter.h"
#include "instruction.h"
#include "../common/endianness.h"
#include "../format/executable.h"
#define G_TYPE_ARCH_PROCESSOR g_arch_processor_get_type()
#define G_ARCH_PROCESSOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_ARCH_PROCESSOR, GArchProcessor))
#define G_IS_ARCH_PROCESSOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_ARCH_PROCESSOR))
#define G_ARCH_PROCESSOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_ARCH_PROCESSOR, GArchProcessorClass))
#define G_IS_ARCH_PROCESSOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_ARCH_PROCESSOR))
#define G_ARCH_PROCESSOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_ARCH_PROCESSOR, GArchProcessorClass))
/* Définition générique d'un processeur d'architecture (instance) */
typedef struct _GArchProcessor GArchProcessor;
/* Définition générique d'un processeur d'architecture (classe) */
typedef struct _GArchProcessorClass GArchProcessorClass;
/* Indique le type défini pour un processeur d'architecture. */
GType g_arch_processor_get_type(void);
/* Fournit la désignation interne du processeur d'architecture. */
char *g_arch_processor_get_key(const GArchProcessor *);
/* Fournit le nom humain de l'architecture visée. */
char *g_arch_processor_get_desc(const GArchProcessor *);
/* Fournit le boustime du processeur d'une architecture. */
SourceEndian g_arch_processor_get_endianness(const GArchProcessor *);
/* Fournit la taille de l'espace mémoire d'une architecture. */
MemoryDataSize g_arch_processor_get_memory_size(const GArchProcessor *);
/* Fournit la taille min. des instructions d'une architecture. */
MemoryDataSize g_arch_processor_get_instruction_min_size(const GArchProcessor *);
/* Indique si l'architecture possède un espace virtuel ou non. */
bool g_arch_processor_has_virtual_space(const GArchProcessor *);
/* Fournit un contexte propre au processeur d'une architecture. */
GProcContext *g_arch_processor_get_context(const GArchProcessor *);
/* Désassemble une instruction dans un flux de données. */
GArchInstruction *g_arch_processor_disassemble(const GArchProcessor *, GProcContext *, const GBinContent *, vmpa2t *, GExeFormat *);
/* ------------------ RASSEMBLEMENT DES INSTRUCTIONS DESASSEMBLEES ------------------ */
/* Protège ou lève la protection de l'accès aux instructions. */
void g_arch_processor_lock_unlock(GArchProcessor *, bool);
#define g_arch_processor_lock(p) g_arch_processor_lock_unlock(p, true)
#define g_arch_processor_unlock(p) g_arch_processor_lock_unlock(p, false)
/* Fournit la marque de dernière modification des instructions. */
unsigned int g_arch_processor_get_stamp(const GArchProcessor *);
/* Compte le nombre d'instructions représentées. */
size_t g_arch_processor_count_instructions(const GArchProcessor *);
/* Note les instructions désassemblées avec une architecture. */
void g_arch_processor_set_instructions(GArchProcessor *, GArchInstruction **, size_t);
/* Ajoute une instruction désassemblée à la liste. */
void g_arch_processor_add_instruction(GArchProcessor *, GArchInstruction *);
/* Retire une instruction désassemblée de la liste. */
void g_arch_processor_remove_instruction(GArchProcessor *proc, GArchInstruction *);
/* Fournit une instruction désassemblée pour une architecture. */
GArchInstruction *g_arch_processor_get_instruction(const GArchProcessor *, size_t);
/* ------------------ CONSERVATION DES SOUCIS DURANT LE CHARGEMENT ------------------ */
/* Types d'erreurs détectées */
#define PROC_ERROR(idx) ((idx << 2) | (1 << 0))
typedef enum _ArchProcessingError
{
APE_DISASSEMBLY = PROC_ERROR(0), /* Code non reconnu */
APE_LABEL = PROC_ERROR(1) /* Etiquette non référencée */
} ArchProcessingError;
/* Protège ou lève la protection de l'accès aux erreurs. */
void g_arch_processor_lock_unlock_errors(GArchProcessor *, bool);
#define g_arch_processor_lock_errors(p) g_arch_processor_lock_unlock_errors(p, true)
#define g_arch_processor_unlock_errors(p) g_arch_processor_lock_unlock_errors(p, false)
/* Etend la liste des soucis détectés avec de nouvelles infos. */
void g_arch_processor_add_error(GArchProcessor *, ArchProcessingError, const vmpa2t *, const char *);
/* Indique le nombre d'erreurs relevées au niveau assembleur. */
size_t g_arch_processor_count_errors(GArchProcessor *);
/* Fournit les éléments concernant un soucis détecté. */
bool g_arch_processor_get_error(GArchProcessor *, size_t, ArchProcessingError *, vmpa2t *, char **);
/* ------------------ MANIPULATIONS DES INSTRUCTIONS DESASSEMBLEES ------------------ */
/* Couverture d'un groupe d'instructions */
typedef struct _instr_coverage instr_coverage;
/* Recherche un groupe d'instruction d'après son adresse. */
const instr_coverage *g_arch_processor_find_coverage_by_address(const GArchProcessor *, const vmpa2t *);
/* Recherche une instruction d'après son adresse. */
GArchInstruction *_g_arch_processor_find_instr_by_address(GArchProcessor *, const vmpa2t *, bool);
/* Recherche rapidement une instruction d'après son adresse. */
GArchInstruction *_g_arch_processor_find_covered_instr_by_address(const GArchProcessor *, const instr_coverage *, const vmpa2t *, bool);
#define g_arch_processor_find_instr_by_address(proc, addr) \
_g_arch_processor_find_instr_by_address(proc, addr, false)
#define g_arch_processor_find_covered_instr_by_address(proc, coverage, addr) \
({ \
GArchInstruction *__result; \
g_arch_processor_lock(proc); \
__result = _g_arch_processor_find_covered_instr_by_address(proc, coverage, addr, false); \
g_arch_processor_unlock(proc); \
__result; \
})
/* Met en place un itérateur d'instruction selon une adresse. */
instr_iter_t *_g_arch_processor_get_iter_from_address(GArchProcessor *, const vmpa2t *, bool);
/* Met en place un itérateur d'instruction selon une adresse. */
instr_iter_t *_g_arch_processor_get_covered_iter_from_address(GArchProcessor *, const instr_coverage *, const vmpa2t *, bool);
#define g_arch_processor_get_iter_from_address(proc, addr) \
_g_arch_processor_get_iter_from_address(proc, addr, false)
#define g_arch_processor_get_covered_iter_from_address(proc, coverage, addr) \
({ \
instr_iter_t *__result; \
g_arch_processor_lock(proc); \
__result = _g_arch_processor_get_covered_iter_from_address(proc, coverage, addr, false); \
g_arch_processor_unlock(proc); \
__result; \
})
#endif /* _ARCH_PROCESSOR_H */
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