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authorCyrille Bagard <nocbos@gmail.com>2018-12-07 21:04:46 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2018-12-07 21:04:46 (GMT)
commit648bf475951e6d588d13539441d8a0e54eab2706 (patch)
treeb654558a0c6bb4bc9d15eb9d65c124acb8a3522a /plugins/jvm/processor.c
parentc980546e8bca6f1c0c340634a4c3640e14fd1228 (diff)
Moved some core features into plugins.
Diffstat (limited to 'plugins/jvm/processor.c')
-rw-r--r--plugins/jvm/processor.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/plugins/jvm/processor.c b/plugins/jvm/processor.c
new file mode 100644
index 0000000..f25dabc
--- /dev/null
+++ b/plugins/jvm/processor.c
@@ -0,0 +1,400 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * processor.c - manipulation du processeur de la JVM
+ *
+ * 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 "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 processeurs de JVM. */
+static void g_jvm_processor_class_init(GJvmProcessorClass *);
+
+/* Initialise une instance de processeur de JVM. */
+static void g_jvm_processor_init(GJvmProcessor *);
+
+/* Supprime toutes les références externes. */
+static void g_jvm_processor_dispose(GJvmProcessor *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_jvm_processor_finalize(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 processeurs de JVM. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_jvm_processor_class_init(GJvmProcessorClass *klass)
+{
+ GObjectClass *object; /* Autre version de la classe */
+ GArchProcessorClass *proc; /* Encore une autre vision... */
+
+ object = G_OBJECT_CLASS(klass);
+
+ object->dispose = (GObjectFinalizeFunc/* ! */)g_jvm_processor_dispose;
+ object->finalize = (GObjectFinalizeFunc)g_jvm_processor_finalize;
+
+ proc = G_ARCH_PROCESSOR_CLASS(klass);
+
+ proc->decode = (decode_instruction_fc)g_jvm_processor_decode_instruction;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : proc = instance à initialiser. *
+* *
+* Description : Initialise une instance de processeur de JVM. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_jvm_processor_init(GJvmProcessor *proc)
+{
+ GArchProcessor *parent; /* Instance parente */
+
+ parent = G_ARCH_PROCESSOR(proc);
+
+ parent->endianness = SRE_BIG;
+ parent->memsize = MDS_32_BITS;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : proc = instance d'objet GLib à traiter. *
+* *
+* Description : Supprime toutes les références externes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_jvm_processor_dispose(GJvmProcessor *proc)
+{
+ G_OBJECT_CLASS(g_jvm_processor_parent_class)->dispose(G_OBJECT(proc));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : bookmark = instance d'objet GLib à traiter. *
+* *
+* Description : Procède à la libération totale de la mémoire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_jvm_processor_finalize(GJvmProcessor *proc)
+{
+ G_OBJECT_CLASS(g_jvm_processor_parent_class)->finalize(G_OBJECT(proc));
+
+}
+
+
+/******************************************************************************
+* *
+* 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. *
+* addr = 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;
+
+}