diff options
Diffstat (limited to 'src/arch/jvm/processor.c')
-rw-r--r-- | src/arch/jvm/processor.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/src/arch/jvm/processor.c b/src/arch/jvm/processor.c new file mode 100644 index 0000000..c7bfcf9 --- /dev/null +++ b/src/arch/jvm/processor.c @@ -0,0 +1,346 @@ + +/* OpenIDA - Outil d'analyse de fichiers binaires + * processor.c - manipulation du processeur de la JVM + * + * Copyright (C) 2009 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 "processor.h" + + +#include "instruction.h" +#include "opcodes.h" +#include "../processor-int.h" + + + +/* Définition du processeur de la JVM (instance) */ +struct _GJvmProcessor +{ + GArchProcessor parent; /* Instance parente */ + +}; + + +/* Définition du processeur de la JVM (classe) */ +struct _GJvmProcessorClass +{ + GArchProcessorClass parent; /* Classe parente */ + +}; + + +/* Initialise la classe des lignes de descriptions initiales. */ +static void g_jvm_processor_class_init(GJvmProcessorClass *); + +/* Initialise la classe des lignes de descriptions initiales. */ +static void g_jvm_processor_init(GJvmProcessor *); + +/* Décode une instruction dans un flux de données. */ +static GArchInstruction *g_jvm_processor_decode_instruction(const GJvmProcessor *, const bin_t *, off_t *, off_t, vmpa_t); + + +/* Indique le type défini par la GLib pour le processeur JVM. */ +G_DEFINE_TYPE(GJvmProcessor, g_jvm_processor, G_TYPE_ARCH_PROCESSOR); + + + +/****************************************************************************** +* * +* Paramètres : klass = classe à initialiser. * +* * +* Description : Initialise la classe des lignes de descriptions initiales. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void g_jvm_processor_class_init(GJvmProcessorClass *klass) +{ + +} + + +/****************************************************************************** +* * +* Paramètres : proc = instance à initialiser. * +* * +* Description : Initialise la classe des lignes de descriptions initiales. * +* * +* Retour : - * +* * +* Remarques : - * +* * +******************************************************************************/ + +static void g_jvm_processor_init(GJvmProcessor *proc) +{ + GArchProcessor *parent; /* Instance parente */ + + parent = G_ARCH_PROCESSOR(proc); + + parent->endianness = SRE_BIG; + + parent->decode = (decode_instruction_fc)g_jvm_processor_decode_instruction; + +} + + +/****************************************************************************** +* * +* Paramètres : - * +* * +* Description : Crée le support de l'architecture JVM. * +* * +* Retour : Architecture mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +GArchProcessor *g_jvm_processor_new(void) +{ + GArchProcessor *result; /* Structure à retourner */ + + result = g_object_new(G_TYPE_JVM_PROCESSOR, NULL); + + return result; + +} + + +/****************************************************************************** +* * +* Paramètres : proc = architecture visée par la procédure. * +* data = flux de données à analyser. * +* pos = position courante dans ce flux. [OUT] * +* len = taille totale des données à analyser. * +* offset = adresse virtuelle de l'instruction. * +* * +* Description : Décode une instruction dans un flux de données. * +* * +* Retour : Instruction mise en place. * +* * +* Remarques : - * +* * +******************************************************************************/ + +static GArchInstruction *g_jvm_processor_decode_instruction(const GJvmProcessor *proc, const bin_t *data, off_t *pos, off_t len, vmpa_t addr) +{ + GArchInstruction *result; /* Instruction à renvoyer */ + bool wide; /* Utilisation d'étendues */ + bool care; /* Traitement des opcodes */ + JvmOpcodes id; /* Identifiant d'instruction */ + + id = jvm_guess_next_instruction(data, pos, len, &wide, &care); + + if (id != JOP_COUNT && !care) + { + if (wide) (*pos)++; + (*pos)++; + } + + switch (id) + { + case JOP_NOP: + result = jvm_read_instr_nop(data, pos, len, addr, proc); + break; + + case JOP_ACONST_NULL: + result = jvm_read_instr_aconst_null(data, pos, len, addr, proc); + break; + + case JOP_ICONST_M1: + case JOP_ICONST_0: + case JOP_ICONST_1: + case JOP_ICONST_2: + case JOP_ICONST_3: + case JOP_ICONST_4: + case JOP_ICONST_5: + result = jvm_read_instr_iconst_n(data, pos, len, addr, proc); + break; + + case JOP_POP: + result = jvm_read_instr_pop(data, pos, len, addr, proc); + break; + + case JOP_POP2: + result = jvm_read_instr_pop2(data, pos, len, addr, proc); + break; + + case JOP_DUP: + result = jvm_read_instr_dup(data, pos, len, addr, proc); + break; + + case JOP_DUP_X1: + result = jvm_read_instr_dup_x1(data, pos, len, addr, proc); + break; + + case JOP_DUP_X2: + result = jvm_read_instr_dup_x2(data, pos, len, addr, proc); + break; + + case JOP_DUP2: + result = jvm_read_instr_dup2(data, pos, len, addr, proc); + break; + + case JOP_DUP2_X1: + result = jvm_read_instr_dup2_x1(data, pos, len, addr, proc); + break; + + case JOP_DUP2_X2: + result = jvm_read_instr_dup2_x2(data, pos, len, addr, proc); + break; + + case JOP_IADD: + result = jvm_read_instr_iadd(data, pos, len, addr, proc); + break; + + case JOP_I2L: + result = jvm_read_instr_i2l(data, pos, len, addr, proc); + break; + + case JOP_I2F: + result = jvm_read_instr_i2f(data, pos, len, addr, proc); + break; + + case JOP_I2D: + result = jvm_read_instr_i2d(data, pos, len, addr, proc); + break; + + case JOP_L2I: + result = jvm_read_instr_l2i(data, pos, len, addr, proc); + break; + + case JOP_L2F: + result = jvm_read_instr_l2f(data, pos, len, addr, proc); + break; + + case JOP_L2D: + result = jvm_read_instr_l2d(data, pos, len, addr, proc); + break; + + case JOP_F2I: + result = jvm_read_instr_f2i(data, pos, len, addr, proc); + break; + + case JOP_F2L: + result = jvm_read_instr_f2l(data, pos, len, addr, proc); + break; + + case JOP_F2D: + result = jvm_read_instr_f2d(data, pos, len, addr, proc); + break; + + case JOP_D2I: + result = jvm_read_instr_d2i(data, pos, len, addr, proc); + break; + + case JOP_D2L: + result = jvm_read_instr_d2l(data, pos, len, addr, proc); + break; + + case JOP_D2F: + result = jvm_read_instr_d2f(data, pos, len, addr, proc); + break; + + case JOP_I2B: + result = jvm_read_instr_i2b(data, pos, len, addr, proc); + break; + + case JOP_I2C: + result = jvm_read_instr_i2c(data, pos, len, addr, proc); + break; + + case JOP_I2S: + result = jvm_read_instr_i2s(data, pos, len, addr, proc); + break; + + case JOP_ILOAD_0: + case JOP_ILOAD_1: + case JOP_ILOAD_2: + case JOP_ILOAD_3: + result = jvm_read_instr_iload_n(data, pos, len, addr, proc); + break; + + case JOP_ALOAD_0: + case JOP_ALOAD_1: + case JOP_ALOAD_2: + case JOP_ALOAD_3: + result = jvm_read_instr_aload_n(data, pos, len, addr, proc); + break; + + case JOP_ISTORE_0: + case JOP_ISTORE_1: + case JOP_ISTORE_2: + case JOP_ISTORE_3: + result = jvm_read_instr_istore_n(data, pos, len, addr, proc); + break; + + case JOP_IRETURN: + result = jvm_read_instr_ireturn(data, pos, len, addr, proc); + break; + + case JOP_LRETURN: + result = jvm_read_instr_lreturn(data, pos, len, addr, proc); + break; + + case JOP_FRETURN: + result = jvm_read_instr_freturn(data, pos, len, addr, proc); + break; + + case JOP_DRETURN: + result = jvm_read_instr_dreturn(data, pos, len, addr, proc); + break; + + case JOP_ARETURN: + result = jvm_read_instr_areturn(data, pos, len, addr, proc); + break; + + case JOP_RETURN: + result = jvm_read_instr_return(data, pos, len, addr, proc); + break; + + case JOP_GETSTATIC: + result = jvm_read_instr_getstatic(data, pos, len, addr, proc); + break; + + case JOP_INVOKE_VIRTUAL: + result = jvm_read_instr_invokevirtual(data, pos, len, addr, proc); + break; + + case JOP_INVOKE_SPECIAL: + result = jvm_read_instr_invokespecial(data, pos, len, addr, proc); + break; + + case JOP_INVOKE_STATIC: + result = jvm_read_instr_invokestatic(data, pos, len, addr, proc); + break; + + default: + result = NULL; + break; + + } + + return result; + +} |