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Diffstat (limited to 'src/analysis/disass/links.c')
-rw-r--r-- | src/analysis/disass/links.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/analysis/disass/links.c b/src/analysis/disass/links.c new file mode 100644 index 0000000..4d799fc --- /dev/null +++ b/src/analysis/disass/links.c @@ -0,0 +1,115 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * links.c - résolution des liens entre différentes instructions + * + * Copyright (C) 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 "links.h" + + + +/****************************************************************************** +* * +* Paramètres : list = ensemble d'instructions à relier. * +* routines = prototypes existants à insérer. * +* count = quantité de ces prototypes. * +* statusbar = barre de statut avec progression à mettre à jour.* +* id = identifiant du message affiché à l'utilisateur. * +* * +* Description : Etablit les liens entres les différentes lignes de code. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void establish_links_between_lines(GArchInstruction *list, GBinRoutine **routines, size_t count, GtkExtStatusBar *statusbar, guint id) +{ + size_t i; /* Boucle de parcours */ + vmpa_t start; /* Adresse de départ */ + vmpa_t end; /* Adresse de fin */ + GArchInstruction *iter; /* Boucle de parcours */ + vmpa_t addr; /* Adresse référencée */ + InstructionLinkType type; /* Type de référence */ + GArchInstruction *target; /* Ligne visée par la référence*/ + + for (i = 0; i < count; i++) + { + start = g_binary_routine_get_address(routines[i]); + end = start + g_binary_routine_get_size(routines[i]); + + for (iter = g_arch_instruction_find_by_address(list, start, true); + iter != NULL; + iter = g_arch_instruction_get_next_iter(list, iter, end)) + { + type = g_arch_instruction_get_link(iter, &addr); + + switch (type) + { + case ILT_NONE: + break; + + case ILT_JUMP: + + target = g_arch_instruction_find_by_address(list, addr, true); + + if (target != NULL) + g_arch_instruction_link_with(iter, target, type); + + break; + + case ILT_JUMP_IF_FALSE: + break; + + case ILT_JUMP_IF_TRUE: + + target = g_arch_instruction_find_by_address(list, addr, true); + + if (target != NULL) + { + g_arch_instruction_link_with(iter, target, type); + + target = g_arch_instruction_get_next_iter(list, iter, end); + if (target != NULL) + g_arch_instruction_link_with(iter, target, ILT_JUMP_IF_FALSE); + + } + + break; + + case ILT_CALL: + + target = g_arch_instruction_find_by_address(list, addr, true); + + if (target != NULL) + g_arch_instruction_link_with(iter, target, type); + + break; + + } + + } + + gtk_extended_status_bar_update_activity(statusbar, id, (i + 1) * 1.0 / count); + + } + +} |