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Diffstat (limited to 'src/arch/x86/op_cmps.c')
-rw-r--r-- | src/arch/x86/op_cmps.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/arch/x86/op_cmps.c b/src/arch/x86/op_cmps.c new file mode 100644 index 0000000..6d2f2b6 --- /dev/null +++ b/src/arch/x86/op_cmps.c @@ -0,0 +1,63 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * op_cmps.c - décodage des comparaisons de chaînes et de scalaires + * + * 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 "../instruction-int.h" +#include "opcodes.h" +#include "operand.h" + + + +/****************************************************************************** +* * +* Paramètres : 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. * +* proc = architecture ciblée par le désassemblage. * +* * +* Description : Décode une instruction de type 'cmps' (8 bits). * +* * +* Retour : Instruction mise en place ou NULL. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchInstruction *x86_read_instr_cmps_m8_m8(const bin_t *data, off_t *pos, off_t len, vmpa_t addr, X86Prefix prefix, const GX86Processor *proc) +{ + GArchInstruction *result; /* Instruction à retourner */ + MemoryDataSize oprsize; /* Taille des opérandes */ + + result = g_x86_instruction_new(XOP_CMPS_M8_M8); + + oprsize = g_x86_processor_get_operand_size(proc, prefix); + + if (!x86_read_two_operands(result, data, pos, len, X86_OTP_SRC_8, X86_OTP_DST_8)) + { + g_object_unref(G_OBJECT(result)); + return NULL; + } + + return result; + +} |