diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2016-08-28 16:04:33 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2016-08-28 16:04:33 (GMT) |
commit | cb74c4467fc623fbca4aad3b07abda3ed1246590 (patch) | |
tree | 68fc259a136a0a6e148403907b5e8d564e28a662 /src/arch/arm/v7/link.c | |
parent | 529595311bd518a3e7368263b9c3244159c85e41 (diff) |
Handled branching instructions using registers.
Diffstat (limited to 'src/arch/arm/v7/link.c')
-rw-r--r-- | src/arch/arm/v7/link.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/arch/arm/v7/link.c b/src/arch/arm/v7/link.c new file mode 100644 index 0000000..4443fdb --- /dev/null +++ b/src/arch/arm/v7/link.c @@ -0,0 +1,65 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * link.c - édition des liens après la phase de désassemblage ARM v7 + * + * Copyright (C) 2016 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * 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 "link.h" + + +#include <assert.h> + + +#include "../register.h" + + + +/****************************************************************************** +* * +* Paramètres : instr = instruction ARM à traiter. * +* proc = représentation de l'architecture utilisée. * +* context = contexte associé à la phase de désassemblage. * +* format = acès aux données du binaire d'origine. * +* * +* Description : Encadre les sauts à partir de registres ARMv7. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +void handle_armv7_conditional_branch_from_register(GArchInstruction *instr, GArchProcessor *proc, GProcContext *context, GBinFormat *format) +{ + GArchOperand *op; /* Opérande numérique en place */ + GArmRegister *reg; /* Registre matériel manipulé */ + + op = g_arch_instruction_get_operand(instr, 0); + assert(G_IS_REGISTER_OPERAND(op)); + + reg = G_ARM_REGISTER(g_register_operand_get_register(G_REGISTER_OPERAND(op))); + + if (g_arm_register_get_index(reg) == 14 /* lr */) + g_arch_instruction_set_flag(instr, AIF_RETURN_POINT); + + else + g_arch_instruction_set_flag(instr, AIF_RETURN_POINT); /* FIXME : jump inconnu ! */ + +} |