diff options
Diffstat (limited to 'plugins/jvm/op_load.c')
-rw-r--r-- | plugins/jvm/op_load.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/plugins/jvm/op_load.c b/plugins/jvm/op_load.c new file mode 100644 index 0000000..faea478 --- /dev/null +++ b/plugins/jvm/op_load.c @@ -0,0 +1,92 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * op_load.c - décodage des instructions de chargement + * + * 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +#include "opcodes.h" + + +#include "instruction.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 'aload_n'. * +* * +* Retour : Instruction mise en place ou NULL. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchInstruction *jvm_read_instr_aload_n(const bin_t *data, off_t *pos, off_t len, vmpa_t addr, const GJvmProcessor *proc) +{ + GArchInstruction *result; /* Instruction à retourner */ + JvmOpcodes opcode; /* Instruction effective */ + + opcode = JOP_ALOAD_0 + (data[*pos] - 0x2a); + + (*pos)++; + + result = g_jvm_instruction_new(opcode); + + return result; + +} + + +/****************************************************************************** +* * +* 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 'iload_n'. * +* * +* Retour : Instruction mise en place ou NULL. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchInstruction *jvm_read_instr_iload_n(const bin_t *data, off_t *pos, off_t len, vmpa_t addr, const GJvmProcessor *proc) +{ + GArchInstruction *result; /* Instruction à retourner */ + JvmOpcodes opcode; /* Instruction effective */ + + opcode = JOP_ILOAD_0 + (data[*pos] - 0x1a); + + (*pos)++; + + result = g_jvm_instruction_new(opcode); + + return result; + +} |