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/* Chrysalide - Outil d'analyse de fichiers binaires
* symbol.h - prototypes pour la gestion des symboles dans un binaire
*
* 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/>.
*/
#ifndef _FORMAT_SYMBOL_H
#define _FORMAT_SYMBOL_H
#include <glib-object.h>
#include "../analysis/routine.h"
#include "../analysis/db/item.h"
#include "../analysis/db/items/comment.h"
#include "../arch/instruction.h"
#include "../glibext/linegen.h"
/* --------------------- FONCTIONNALITES BASIQUES POUR SYMBOLES --------------------- */
/* Types de symbole */
typedef enum _SymbolType
{
STP_DATA, /* Données brutes */
STP_ROUTINE, /* Simple morceau de code */
STP_CODE_LABEL, /* Renvoi au sein de code */
STP_OBJECT, /* Objet quelconque */
STP_ENTRY_POINT, /* Morceau de code en entrée */
STP_STRING, /* Chaîne de caractères */
STP_RO_STRING, /* Chaîne de caractères */
STP_COUNT
} SymbolType;
#define HAS_DATA_INSTR(type) (type == STP_DATA || type == STP_RO_STRING)
#define G_TYPE_BIN_SYMBOL g_binary_symbol_get_type()
#define G_BIN_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_binary_symbol_get_type(), GBinSymbol))
#define G_IS_BIN_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_binary_symbol_get_type()))
#define G_BIN_SYMBOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
#define G_IS_BIN_SYMBOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_BIN_SYMBOL))
#define G_BIN_SYMBOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_BIN_SYMBOL, GBinSymbolClass))
/* Symbole d'exécutable (instance) */
typedef struct _GBinSymbol GBinSymbol;
/* Symbole d'exécutable (classe) */
typedef struct _GBinSymbolClass GBinSymbolClass;
/* Indique le type défini pour un symbole d'exécutable. */
GType g_binary_symbol_get_type(void);
/* Crée un nouveau symbole d'exécutable. */
GBinSymbol *g_binary_symbol_new(SymbolType);
/* Compare deux symboles d'exécutable selon leurs propriétés. */
int g_binary_symbol_cmp(const GBinSymbol * const *, const GBinSymbol * const *);
/* Compare un symbole et une localisation. */
int g_binary_symbol_cmp_with_vmpa(const GBinSymbol *, const vmpa2t *);
/* Fournit le type du symbole. */
SymbolType g_binary_symbol_get_target_type(const GBinSymbol *);
/* Définit si un symbole est susceptible de démarrer un bloc. */
void g_binary_symbol_define_as_block_start(GBinSymbol *, bool);
/* Indique si un symbole est susceptible de démarrer un bloc. */
bool g_binary_symbol_is_block_start(GBinSymbol *);
/* Fournit un étiquette pour viser un symbole. */
const char *g_binary_symbol_get_label(const GBinSymbol *);
/* Définit un autre nom pour le symbole. */
void g_binary_symbol_set_alt_label(GBinSymbol *, const char *);
/* Raffine la définition de l'emplacement d'un symbole. */
void g_binary_symbol_fix_range(GBinSymbol *, const vmpa2t *);
/* Fournit l'emplacement où se situe un symbole. */
const mrange_t *g_binary_symbol_get_range(const GBinSymbol *);
/* Attache la routine associée au symbole. */
void _g_binary_symbol_attach_routine(GBinSymbol *, GBinRoutine *, SymbolType);
/* Attache la routine associée au symbole. */
void g_binary_symbol_attach_routine(GBinSymbol *, GBinRoutine *);
/* Attache l'instruction associée au symbole. */
void g_binary_symbol_attach_instruction(GBinSymbol *, GArchInstruction *);
/* Fournit l'éventuelle routine associée au symbole. */
GBinRoutine *g_binary_symbol_get_routine(const GBinSymbol *);
/* Fournit l'éventuelle instruction associée au symbole. */
GArchInstruction *g_binary_symbol_get_instruction(const GBinSymbol *);
/* Ajoute un commentaire facultatif au symbole. */
void g_binary_symbol_set_comment(GBinSymbol *, GDbComment *);
/* Fournit l'éventuel commentaire associé au symbole. */
GDbComment *g_binary_symbol_get_comment(const GBinSymbol *);
/**
* Confort pour l'ajout de symboles basés sur des formats.
*/
#define SET_IMM_DISPLAY(_ins, _op, _idx, _dsp) \
do \
{ \
GImmOperand *_imm; \
_imm = G_IMM_OPERAND(g_arch_instruction_get_operand(_ins, _idx)); \
g_imm_operand_set_default_display(&_imm, _dsp, G_SHARE_CONTAINER(_ins)); \
g_imm_operand_set_display(&_imm, _dsp, G_SHARE_CONTAINER(_ins)); \
_op = G_ARCH_OPERAND(_imm); \
} \
while (0)
#define ADD_RAW_AS_SYM(_fmt, _sym, _ins, _cmt, _txt) \
({ \
bool __result; \
const vmpa2t *__addr; \
__addr = get_mrange_addr(g_arch_instruction_get_range(_ins)); \
_cmt = g_db_comment_new_inlined(__addr, BLF_HAS_CODE, false); \
g_db_comment_add_static_text(_cmt, strdup(_txt)); /* ! */ \
g_db_item_set_volatile(G_DB_ITEM(_cmt), true); \
_sym = g_binary_symbol_new(STP_DATA); \
g_binary_symbol_attach_instruction(_sym, _ins); \
g_binary_symbol_set_comment(_sym, _cmt); \
__result = g_binary_format_add_symbol(G_BIN_FORMAT(_fmt), _sym); \
__result; \
})
#define ADD_RAW_AS_SYM_CST(_fmt, _sym, _ins, _cmt, _txt) \
({ \
bool __result; \
const vmpa2t *__addr; \
__addr = get_mrange_addr(g_arch_instruction_get_range(_ins)); \
_cmt = g_db_comment_new_inlined(__addr, BLF_HAS_CODE, false); \
g_db_comment_add_static_text(_cmt, _txt); \
g_db_item_set_volatile(G_DB_ITEM(_cmt), true); \
_sym = g_binary_symbol_new(STP_DATA); \
g_binary_symbol_attach_instruction(_sym, _ins); \
g_binary_symbol_set_comment(_sym, _cmt); \
__result = g_binary_format_add_symbol(G_BIN_FORMAT(_fmt), _sym); \
__result; \
})
#define ADD_STR_AS_SYM(_fmt, _sym, _ins) \
({ \
bool __result; \
_sym = g_binary_symbol_new(STP_RO_STRING); \
g_binary_symbol_attach_instruction(_sym, _ins); \
__result = g_binary_format_add_symbol(G_BIN_FORMAT(_fmt), _sym); \
__result; \
})
/* ------------------------ OFFRE DE CAPACITES DE GENERATION ------------------------ */
/* Détermine si un symbole pour faire office de générateur. */
GLineGenerator *g_binary_symbol_produce_label(GBinSymbol *);
#endif /* _FORMAT_SYMBOL_H */
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