Parsed x86 binary data and displayed the result.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@6 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

27 files changed, 1834 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index 33af36e..4ea154e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,49 @@
+2008-07-27  Cyrille Bagard <nocbos@gmail.com>
+
+	* configure.ac:
+	Remove AC_PROG_RANLIB in favor of AC_PROG_LIBTOOL. Add AM_PROG_CC_C_O
+	and schedule the creation of the new Makefiles.
+
+	* src/arch/instruction.c:
+	* src/arch/instruction.h:
+	* src/arch/instruction-int.h:
+	* src/arch/Makefile.am:
+	* src/arch/operand.c:
+	* src/arch/operand.h:
+	* src/arch/operand-int.h:
+	* src/arch/processor.c:
+	* src/arch/processor.h:
+	* src/arch/processor-int.h:
+	* src/arch/x86/instruction.h:
+	* src/arch/x86/Makefile.am:
+	* src/arch/x86/opcodes.h:
+	* src/arch/x86/op_int.c:
+	* src/arch/x86/processor.c:
+	* src/arch/x86/processor.h:
+	New entries: parse x86 binary data and display the result.
+
+	* src/binary.c:
+	* src/binary.h:
+	New entries: load a basic ASM content.
+
+	* src/editor.c:
+	Set some fixed fonts and use the new code snippet. Update the GPL header
+	(Firebox Tools -> OpenIDA, version 2 -> version 3).
+
+	* src/format/elf/format_elf.c:
+	* src/format/elf/format_elf.h:
+	* src/format/elf/Makefile.am:
+	* src/format/Makefile.am:
+	New entries: empty files.
+
+	* src/gtksnippet.c:
+	* src/gtksnippet.h:
+	New entries: from an example from GTK.org, display assembly content.
+
+	* src/Makefile.am:
+	Add binary.[ch] and gtksnippet.[cg] files to openida_SOURCES and internal
+	libraries to openida_LDADD.
+
 2008-07-23  Cyrille Bagard <nocbos@gmail.com>
 
 	* AUTHORS:
diff --git a/src/Makefile.am b/src/Makefile.am
index 07af7b5..aaa1ff3 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,7 +2,9 @@
 bin_PROGRAMS=openida
 
 openida_SOURCES = 						\
-	editor.c
+	binary.h binary.c					\
+	editor.c							\
+	gtksnippet.h gtksnippet.c
 
 
 INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/intl $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) `pkg-config --cflags gthread-2.0`
@@ -15,4 +17,7 @@ AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
 openida_LDFLAGS = $(LIBGTK_LIBS) -L/usr/X11R6/lib -ldl $(LIBXML_LIBS) `pkg-config --libs gthread-2.0`
 
 
-openida_LDADD = $(LIBINTL)
+openida_LDADD = $(LIBINTL) arch/libarch.a arch/x86/libarchx86.a format/elf/libformatelf.a
+
+
+SUBDIRS = arch format
diff --git a/src/arch/Makefile.am b/src/arch/Makefile.am
new file mode 100644
index 0000000..7f231de
--- /dev/null
+++ b/src/arch/Makefile.am
@@ -0,0 +1,22 @@
+
+lib_LIBRARIES = libarch.a
+
+libarch_a_SOURCES =						\
+	instruction-int.h					\
+	instruction.h instruction.c			\
+	operand-int.h						\
+	operand.h operand.c					\
+	processor-int.h						\
+	processor.h processor.c
+
+libarch_a_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = 
+
+AM_CPPFLAGS = 
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
+
+
+SUBDIRS = x86
diff --git a/src/arch/instruction-int.h b/src/arch/instruction-int.h
new file mode 100644
index 0000000..11180dc
--- /dev/null
+++ b/src/arch/instruction-int.h
@@ -0,0 +1,59 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.h - prototypes pour la définition générique interne des instructions
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_INSTRUCTION_INT_H
+#define _ARCH_INSTRUCTION_INT_H
+
+
+#include "instruction.h"
+#include "operand.h"
+
+
+#include "operand-int.h"    /* TODO: remove me */
+
+
+
+
+#define MAX_OPERANDS    4
+
+
+#define DB_OPCODE   0x00
+
+
+/* Définition générique d'une instruction */
+struct _asm_instr
+{
+    char opcode;
+
+    asm_operand operands[MAX_OPERANDS];
+    unsigned int operands_count;            /* Nbre. d'opérandes utilisées */
+
+
+};
+
+#define ASM_INSTRUCTION(instr) ((asm_instr *)instr)
+
+
+
+
+#endif  /* _ARCH_INSTRUCTION_INT_H */
diff --git a/src/arch/instruction.c b/src/arch/instruction.c
new file mode 100644
index 0000000..1af3b97
--- /dev/null
+++ b/src/arch/instruction.c
@@ -0,0 +1,64 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.c - gestion générique des instructions
+ *
+ * Copyright (C) 2008 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.h"
+
+
+#include <malloc.h>
+
+
+#include "instruction-int.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : data = flux de données à analyser.                           *
+*                pos  = position courante dans ce flux. [OUT]                 *
+*                len  = taille totale des données à analyser.                 *
+*                                                                             *
+*  Description : Crée une instruction de type 'db' à partir de données.       *
+*                                                                             *
+*  Retour      : Instruction mise en place.                                   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+asm_instr *create_db_instruction(const char *data, off_t *pos, off_t len)
+{
+    asm_instr *result;                      /* Représentation à renvoyer   */
+
+    result = (asm_instr *)calloc(1, sizeof(asm_instr));
+
+    result->opcode = DB_OPCODE;
+
+    /* TODO: check result */
+    fill_db_operand(&result->operands[0], data[(*pos)++]);
+
+    result->operands_count = 1;
+
+    return result;
+
+}
+
diff --git a/src/arch/instruction.h b/src/arch/instruction.h
new file mode 100644
index 0000000..3be2bf7
--- /dev/null
+++ b/src/arch/instruction.h
@@ -0,0 +1,43 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.h - prototypes pour la gestion générique des instructions
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_INSTRUCTION_H
+#define _ARCH_INSTRUCTION_H
+
+
+#include <sys/types.h>
+
+
+
+/* Définition générique d'une instruction */
+typedef struct _asm_instr asm_instr;
+
+
+
+/* Crée une instruction de type 'db' à partir de données. */
+asm_instr *create_db_instruction(const char *, off_t *, off_t);
+
+
+
+
+#endif  /* _ARCH_INSTRUCTION_H */
diff --git a/src/arch/operand-int.h b/src/arch/operand-int.h
new file mode 100644
index 0000000..f09d9a9
--- /dev/null
+++ b/src/arch/operand-int.h
@@ -0,0 +1,51 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * operand-int.h - prototypes pour la définition générique interne des opérandes
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_OPERAND_INT_H
+#define _ARCH_OPERAND_INT_H
+
+
+#include <stdint.h>
+
+
+
+
+/* Définition générique d'une opérande */
+struct _asm_operand
+{
+
+
+    union
+    {
+        uint8_t val8;                       /* Valeur sur 8 bits           */
+
+
+    } value;
+
+
+
+};
+
+
+
+#endif  /* _ARCH_OPERAND_INT_H */
diff --git a/src/arch/operand.c b/src/arch/operand.c
new file mode 100644
index 0000000..98460c9
--- /dev/null
+++ b/src/arch/operand.c
@@ -0,0 +1,55 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * operand.c - gestion générique des opérandes
+ *
+ * Copyright (C) 2008 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 "operand.h"
+
+
+#include "operand-int.h"
+
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : operand = structure dont le contenu est à définir.           *
+*                value   = valeur immédiate à renseigner.                     *
+*                                                                             *
+*  Description : Crée une opérande pour l'instruction 'db'.                   *
+*                                                                             *
+*  Retour      : true si l'opérande a été définie avec succès, false sinon.   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool fill_db_operand(asm_operand *operand, uint8_t value)
+{
+    operand->value.val8 = value;
+
+    return true;
+
+}
+
+
diff --git a/src/arch/operand.h b/src/arch/operand.h
new file mode 100644
index 0000000..81c9a53
--- /dev/null
+++ b/src/arch/operand.h
@@ -0,0 +1,44 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * operand.h - prototypes pour la gestion générique des opérandes
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_OPERAND_H
+#define _ARCH_OPERAND_H
+
+
+#include <stdbool.h>
+#include <stdint.h>
+
+
+
+/* Définition générique d'une opérande */
+typedef struct _asm_operand asm_operand;
+
+
+
+/* Crée une opérande pour l'instruction 'db'. */
+bool fill_db_operand(asm_operand *, uint8_t);
+
+
+
+
+#endif  /* _ARCH_OPERAND_H */
diff --git a/src/arch/processor-int.h b/src/arch/processor-int.h
new file mode 100644
index 0000000..602bab6
--- /dev/null
+++ b/src/arch/processor-int.h
@@ -0,0 +1,66 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * processor.h - prototypes pour la définition générique interne des architectures
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_PROCESSOR_INT_H
+#define _ARCH_PROCESSOR_INT_H
+
+
+#include <sys/types.h>
+
+
+#include "instruction.h"
+#include "processor.h"
+
+
+
+
+typedef int AsmSyntax;
+
+
+/* Décode une instruction dans un flux de données. */
+typedef asm_instr * (* fetch_instruction) (const asm_processor *, const char *, off_t *, off_t);
+
+/* Traduit une instruction en version humainement lisible. */
+typedef void (* print_instruction) (const asm_processor *, const asm_instr *, char *, size_t, AsmSyntax);
+
+
+
+/* Définition générique d'une architecture */
+struct _asm_processor
+{
+
+    fetch_instruction fetch_instr;          /* Lecture d'une instruction   */
+
+    print_instruction print_instr;          /* Version lisible d'une instr.*/
+
+
+};
+
+
+#define ASM_PROCESSOR(proc) ((asm_processor *)proc)
+
+
+
+
+
+#endif  /* _ARCH_PROCESSOR_INT_H */
diff --git a/src/arch/processor.c b/src/arch/processor.c
new file mode 100644
index 0000000..fc59fdb
--- /dev/null
+++ b/src/arch/processor.c
@@ -0,0 +1,95 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * processor.c - gestion générique des architectures
+ *
+ * Copyright (C) 2008 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 "processor-int.h"
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  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.                 *
+*                                                                             *
+*  Description : Décode une instruction dans un flux de données.              *
+*                                                                             *
+*  Retour      : Instruction mise en place.                                   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+asm_instr *decode_instruction(const asm_processor *proc, const char *data, off_t *pos, off_t len)
+{
+    asm_instr *result;                      /* Représentation à renvoyer   */
+
+
+
+
+    result = proc->fetch_instr(proc, data, pos, len);
+
+
+#define NULL ((void *)0)
+
+
+    if (result == NULL)
+        result = create_db_instruction(data, pos, len);
+
+
+
+
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : proc   = architecture visée par la procédure.                *
+*                instr  = instruction à traiter.                              *
+*                buffer = tampon de sortie mis à disposition. [OUT]           *
+*                len    = taille de ce tampon.                                *
+*                syntax = type de représentation demandée.                    *
+*                                                                             *
+*  Description : Traduit une instruction en version humainement lisible.      *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void print_hinstruction(const asm_processor *proc, const asm_instr *instr, char *buffer, size_t len/*, AsmSyntax syntax*/)
+{
+    proc->print_instr(proc, instr, buffer, len, 0);
+
+}
+
+
diff --git a/src/arch/processor.h b/src/arch/processor.h
new file mode 100644
index 0000000..1023d45
--- /dev/null
+++ b/src/arch/processor.h
@@ -0,0 +1,49 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * processor.h - prototypes pour la gestion générique des architectures
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_PROCESSOR_H
+#define _ARCH_PROCESSOR_H
+
+
+#include <sys/types.h>
+
+
+#include "instruction.h"
+
+
+
+/* Définition générique d'une architecture */
+typedef struct _asm_processor asm_processor;
+
+
+
+/* Décode une instruction dans un flux de données. */
+asm_instr *decode_instruction(const asm_processor *, const char *, off_t *, off_t);
+
+/* Traduit une instruction en version humainement lisible. */
+void print_hinstruction(const asm_processor *, const asm_instr *, char *, size_t);
+
+
+
+
+#endif  /* _ARCH_PROCESSOR_H */
diff --git a/src/arch/x86/Makefile.am b/src/arch/x86/Makefile.am
new file mode 100644
index 0000000..6fe55c8
--- /dev/null
+++ b/src/arch/x86/Makefile.am
@@ -0,0 +1,20 @@
+
+lib_LIBRARIES = libarchx86.a
+
+libarchx86_a_SOURCES =					\
+	instruction.h						\
+	op_int.c							\
+	opcodes.h							\
+	processor.h processor.c
+
+libarchx86_a_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = 
+
+AM_CPPFLAGS = 
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
+
+
+SUBDIRS = 
diff --git a/src/arch/x86/instruction.h b/src/arch/x86/instruction.h
new file mode 100644
index 0000000..47617ea
--- /dev/null
+++ b/src/arch/x86/instruction.h
@@ -0,0 +1,65 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * instruction.h - prototypes pour la gestion des instructions de l'architecture x86
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_X86_INSTRUCTION_H
+#define _ARCH_X86_INSTRUCTION_H
+
+
+#include "../instruction.h"
+#include "../instruction-int.h"
+
+
+
+/* Définition d'une instruction x86 */
+typedef struct _asm_x86_instr asm_x86_instr;
+
+
+
+/* Enumération de tous les opcodes */
+typedef enum _X86Opcodes
+{
+    X86_OP_INT,                             /* int (0xcd)                  */
+
+
+    X86_OP_COUNT
+
+} X86Opcodes;
+
+
+
+
+/* Définition d'une instruction x86 */
+struct _asm_x86_instr
+{
+    asm_instr base;                         /* A laisser en premier...     */
+
+    X86Opcodes type;
+
+};
+
+
+
+
+
+
+#endif  /* _ARCH_X86_INSTRUCTION_H */
diff --git a/src/arch/x86/op_int.c b/src/arch/x86/op_int.c
new file mode 100644
index 0000000..e7805e1
--- /dev/null
+++ b/src/arch/x86/op_int.c
@@ -0,0 +1,63 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * op_int.c - décodage des instructions d'interruption
+ *
+ * Copyright (C) 2008 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 <malloc.h>
+
+
+#include "instruction.h"
+#include "../instruction-int.h"
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : data = flux de données à analyser.                           *
+*                pos  = position courante dans ce flux. [OUT]                 *
+*                len  = taille totale des données à analyser.                 *
+*                                                                             *
+*  Description : Décode une instruction de type 'int'.                        *
+*                                                                             *
+*  Retour      : Instruction mise en place ou NULL.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+asm_x86_instr *read_instr_int(const char *data, off_t *pos, off_t len)
+{
+    asm_x86_instr *result;
+
+    result = (asm_x86_instr *)calloc(1, sizeof(asm_x86_instr));
+
+    ASM_INSTRUCTION(result)->opcode = data[(*pos)++];
+
+    /* TODO: check result */
+    fill_db_operand(&ASM_INSTRUCTION(result)->operands[0], data[(*pos)++]);
+
+    ASM_INSTRUCTION(result)->operands_count = 1;
+
+    return result;
+
+}
+
diff --git a/src/arch/x86/opcodes.h b/src/arch/x86/opcodes.h
new file mode 100644
index 0000000..17316e7
--- /dev/null
+++ b/src/arch/x86/opcodes.h
@@ -0,0 +1,40 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * opcodes.h - prototypes pour la liste de tous les opcodes de l'architecture x86
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_X86_OPCODES_H
+#define _ARCH_X86_OPCODES_H
+
+
+#include <sys/types.h>
+
+
+#include "../instruction.h"
+
+
+
+/* Décode une instruction de type 'int'. */
+asm_x86_instr *read_instr_int(const char *, off_t *, off_t);
+
+
+
+#endif  /* _ARCH_X86_OPCODES_H */
diff --git a/src/arch/x86/processor.c b/src/arch/x86/processor.c
new file mode 100644
index 0000000..4ef1377
--- /dev/null
+++ b/src/arch/x86/processor.c
@@ -0,0 +1,228 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * processor.c - gestion de l'architecture x86
+ *
+ * Copyright (C) 2008 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 "../processor-int.h"
+#include "instruction.h"
+#include "opcodes.h"
+
+
+#include <malloc.h>
+
+
+
+typedef asm_x86_instr * (* read_instr) (const char *, off_t *, off_t);
+
+
+/* Carte d'identité d'un opcode */
+typedef struct _x86_opcode
+{
+    char opcode;                        /* Opcode + préfixe eventuel   */
+    const char *name;                       /* Désignation humaine         */
+    read_instr read;                        /* Décodage de l'instruction   */
+
+} x86_opcode;
+
+
+#define register_opcode(target, bin, n, func) \
+do {\
+target.opcode = bin;   \
+target.name = n; \
+target.read = func; \
+} while (0)
+
+
+/* Définition générique d'une architecture */
+typedef struct _asm_x86_processor
+{
+    asm_processor base;                     /* A laisser en premier...     */
+
+    x86_opcode opcodes[X86_OP_COUNT];       /* Liste des opcodes supportés */
+
+} asm_x86_processor;
+
+
+
+
+
+/* Enregistre toutes les instructions reconnues pour x86. */
+void x86_register_instructions(asm_x86_processor *);
+
+
+/* Décode une instruction dans un flux de données. */
+asm_instr *x86_fetch_instruction(const asm_x86_processor *, const char *, off_t *, off_t);
+
+/* Traduit une instruction en version humainement lisible. */
+void x86_print_instruction(const asm_x86_processor *, const asm_x86_instr *, char *, size_t, AsmSyntax);
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Crée le support de l'architecture x86.                       *
+*                                                                             *
+*  Retour      : Architecture mise en place.                                  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+asm_processor *create_x86_processor(void)
+{
+    asm_x86_processor *result;              /* Architecture à retourner    */
+
+    result = (asm_x86_processor *)calloc(1, sizeof(asm_x86_processor));
+
+    x86_register_instructions(result);
+
+    ASM_PROCESSOR(result)->fetch_instr = x86_fetch_instruction;
+    ASM_PROCESSOR(result)->print_instr = x86_print_instruction;
+
+    return ASM_PROCESSOR(result);
+
+}
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : proc = architecture visée par la procédure.                  *
+*                                                                             *
+*  Description : Enregistre toutes les instructions reconnues pour x86.       *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void x86_register_instructions(asm_x86_processor *proc)
+{
+
+
+
+    register_opcode(proc->opcodes[X86_OP_INT], 0xcd, "int", read_instr_int);
+
+
+
+
+
+}
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  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.                 *
+*                                                                             *
+*  Description : Décode une instruction dans un flux de données.              *
+*                                                                             *
+*  Retour      : Instruction mise en place ou NULL.                           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+asm_instr *x86_fetch_instruction(const asm_x86_processor *proc, const char *data, off_t *pos, off_t len)
+{
+    asm_x86_instr *result;                  /* Résultat à faire remonter   */
+    X86Opcodes i;                           /* Boucle de parcours          */
+
+    result = NULL;
+
+    //printf("--------\n");
+
+    for (i = 0; i < X86_OP_COUNT; i++)
+    {
+
+        /*
+        printf(" cmp :: 0x%02hhx vs 0x%02hhx ? %d\n",
+               data[*pos], proc->opcodes[i].opcode,
+               data[*pos] == proc->opcodes[i].opcode);
+        */
+
+        if (data[*pos] == proc->opcodes[i].opcode)
+        {
+            result = proc->opcodes[i].read(data, pos, len);
+            if (result != NULL) result->type = i;
+            break;
+        }
+
+    }
+
+
+    return ASM_INSTRUCTION(result);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : proc   = architecture visée par la procédure.                *
+*                instr  = instruction à traiter.                              *
+*                buffer = tampon de sortie mis à disposition. [OUT]           *
+*                len    = taille de ce tampon.                                *
+*                syntax = type de représentation demandée.                    *
+*                                                                             *
+*  Description : Traduit une instruction en version humainement lisible.      *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void x86_print_instruction(const asm_x86_processor *proc, const asm_x86_instr *instr, char *buffer, size_t len, AsmSyntax syntax)
+{
+
+    if (ASM_INSTRUCTION(instr)->opcode == DB_OPCODE)
+
+
+    snprintf(buffer, len, "db\t0x%02hhx", ASM_INSTRUCTION(instr)->operands[0].value.val8);
+
+
+        else
+
+    snprintf(buffer, len, "%s\t0x%02hhx", proc->opcodes[instr->type].name, ASM_INSTRUCTION(instr)->operands[0].value.val8);
+
+
+}
+
+
+
+
+
+
+
diff --git a/src/arch/x86/processor.h b/src/arch/x86/processor.h
new file mode 100644
index 0000000..0bd587d
--- /dev/null
+++ b/src/arch/x86/processor.h
@@ -0,0 +1,42 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * processor.h - prototypes pour la gestion de l'architecture x86
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _ARCH_X86_PROCESSOR_H
+#define _ARCH_X86_PROCESSOR_H
+
+
+#include "../instruction.h"
+#include "../processor.h"
+
+
+
+/* Crée le support de l'architecture x86. */
+asm_processor *create_x86_processor(void);
+
+
+
+
+
+
+
+#endif  /* _ARCH_X86_PROCESSOR_H */
diff --git a/src/binary.c b/src/binary.c
new file mode 100644
index 0000000..79928d6
--- /dev/null
+++ b/src/binary.c
@@ -0,0 +1,78 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * binary.c - traitement des flots de code binaire
+ *
+ * Copyright (C) 2008 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 "binary.h"
+
+
+#include "arch/processor.h"
+
+
+
+void fill_snippet(GtkSnippet *snippet)
+{
+    asm_processor *proc;
+    asm_instr *instr;
+
+    //    char *data = "\x66\xba\x0c\x00\x00\x00\x66\xb9\x28\x00\x00\x00\x66\xbb\x01\x00\x00\x00\x66\xb8\x04\x00\x00\x00\xcd\x80\x66\xbb\x00\x00\x00\x00\x66\xb8\x01\x00\x00\x00\xcd\x80\x48\x65\x6c\x6c\x6f\x20\x57\x6f\x72\x6c\x64\x0a";
+
+    char *data = "\x66\xbb\x00\x00\x00\x00\x66\xb8\x01\x00\x00\x00\xcd\x80\x90";
+
+    off_t pos;
+    off_t len;
+
+    char buffer[64];
+
+    uint64_t base = 0;
+    uint64_t offset = 0;
+
+    proc = create_x86_processor();
+
+    pos = 0;
+    len = 15;
+
+
+
+    gtk_snippet_set_processor(snippet, proc);
+
+
+    gtk_snippet_add_line(snippet, offset, NULL, "Simple HelloWorld !");
+
+
+    while (pos < len)
+    {
+        offset = base + pos;
+
+        instr = decode_instruction(proc, data, &pos, len);
+
+        gtk_snippet_add_line(snippet, offset, instr, NULL);
+
+
+    }
+
+    /*
+    gtk_snippet_build_content(snippet);
+    */
+
+
+}
+
diff --git a/src/binary.h b/src/binary.h
new file mode 100644
index 0000000..a6295c9
--- /dev/null
+++ b/src/binary.h
@@ -0,0 +1,42 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * binary.h - prototypes pour le traitement des flots de code binaire
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _BINARY_H
+#define _BINARY_H
+
+
+#include "gtksnippet.h"
+
+
+
+
+void fill_snippet(GtkSnippet *snippet);
+
+
+
+
+
+
+
+
+#endif  /* _BINARY_H */
diff --git a/src/editor.c b/src/editor.c
index 3614379..1c33296 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -1,17 +1,17 @@
 
-/* Firebox Tools - Outils de configurations pour le WM Firebox
+/* OpenIDA - Outils de configurations pour le WM Firebox
  * editor.c - fichier principal de l'éditeur de configuration
  *
  * Copyright (C) 2006-2007 Cyrille Bagard
  *
- *  This file is part of Firebox Tools.
+ *  This file is part of OpenIDA.
  *
- *  Firebox Tools is free software; you can redistribute it and/or modify
+ *  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 2 of the License, or
+ *  the Free Software Foundation; either version 3 of the License, or
  *  (at your option) any later version.
  *
- *  Firebox Tools is distributed in the hope that it will be useful,
+ *  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.
@@ -49,6 +49,10 @@
 /** Partie ptrace() **/
 
 
+#include "binary.h"
+#include "gtksnippet.h"
+
+
 #define _(str) str
 
 
@@ -426,7 +430,12 @@ GtkWidget *create_editor(void)
   gtk_paned_pack1 (GTK_PANED (hpaned1), scrolledwindow2, FALSE, TRUE);
   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwindow2), GTK_SHADOW_IN);
 
+  textview2 = gtk_snippet_new();
+  gtk_snippet_set_sel(GTK_SNIPPET(textview2), 44);
+  fill_snippet(textview2);
+  /*
   textview2 = gtk_text_view_new ();
+  */
   gtk_widget_show (textview2);
   gtk_container_add (GTK_CONTAINER (scrolledwindow2), textview2);
 
@@ -531,6 +540,7 @@ GtkWidget *create_editor(void)
   gtk_misc_set_alignment (GTK_MISC (label12), 0, 0.5);
 
   lbl_eax = label12;
+  gtk_widget_modify_font(lbl_eax, pango_font_description_from_string ("Monospace"));
 
   label14 = gtk_label_new (_("0x00000000"));
   gtk_widget_show (label14);
@@ -540,6 +550,7 @@ GtkWidget *create_editor(void)
   gtk_misc_set_alignment (GTK_MISC (label14), 0, 0.5);
 
   lbl_ebx = label14;
+  gtk_widget_modify_font(lbl_ebx, pango_font_description_from_string ("Monospace 10"));
 
   label15 = gtk_label_new (_("0x00000000"));
   gtk_widget_show (label15);
@@ -549,6 +560,7 @@ GtkWidget *create_editor(void)
   gtk_misc_set_alignment (GTK_MISC (label15), 0, 0.5);
 
   lbl_ecx = label15;
+  gtk_widget_modify_font(lbl_ecx, pango_font_description_from_string ("Monospace 10"));
 
   label16 = gtk_label_new (_("0x00000000"));
   gtk_widget_show (label16);
@@ -558,6 +570,7 @@ GtkWidget *create_editor(void)
   gtk_misc_set_alignment (GTK_MISC (label16), 0, 0.5);
 
   lbl_edx = label16;
+  gtk_widget_modify_font(lbl_edx, pango_font_description_from_string ("Monospace 10"));
 
   label17 = gtk_label_new (_("0x00000000"));
   gtk_widget_show (label17);
diff --git a/src/format/Makefile.am b/src/format/Makefile.am
new file mode 100644
index 0000000..99afa2e
--- /dev/null
+++ b/src/format/Makefile.am
@@ -0,0 +1,2 @@
+
+SUBDIRS = elf
diff --git a/src/format/elf/Makefile.am b/src/format/elf/Makefile.am
new file mode 100644
index 0000000..3cf5f1c
--- /dev/null
+++ b/src/format/elf/Makefile.am
@@ -0,0 +1,14 @@
+
+lib_LIBRARIES = libformatelf.a
+
+libformatelf_a_SOURCES =				\
+	format_elf.h format_elf.c
+
+libformatelf_a_CFLAGS = $(AM_CFLAGS)
+
+
+INCLUDES = 
+
+AM_CPPFLAGS = 
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS)
diff --git a/src/format/elf/format_elf.c b/src/format/elf/format_elf.c
new file mode 100644
index 0000000..f043d0a
--- /dev/null
+++ b/src/format/elf/format_elf.c
@@ -0,0 +1,24 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * format_elf.c - support du format ELF
+ *
+ * Copyright (C) 2008 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 "elf.h"
diff --git a/src/format/elf/format_elf.h b/src/format/elf/format_elf.h
new file mode 100644
index 0000000..894623a
--- /dev/null
+++ b/src/format/elf/format_elf.h
@@ -0,0 +1,34 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * format_elf.h - prototypes pour le support du format ELF
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _FORMAT_ELF_H
+#define _FORMAT_ELF_H
+
+
+
+
+
+
+
+
+#endif  /* _FORMAT_ELF_H */
diff --git a/src/gtksnippet.c b/src/gtksnippet.c
new file mode 100644
index 0000000..a7eecb5
--- /dev/null
+++ b/src/gtksnippet.c
@@ -0,0 +1,435 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * gtksnippet.h - affichage d'un fragment de code d'assemblage
+ *
+ * Copyright (C) 2008 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 "gtksnippet.h"
+
+
+#include <malloc.h>
+#include <string.h>
+
+
+#define CONTENT_BUFFER_LEN 64
+
+
+
+static void gtk_snippet_class_init(GtkSnippetClass *klass);
+static void gtk_snippet_init(GtkSnippet *cpu);
+static void gtk_snippet_size_request(GtkWidget *widget,
+    GtkRequisition *requisition);
+static void gtk_snippet_size_allocate(GtkWidget *widget,
+    GtkAllocation *allocation);
+static void gtk_snippet_realize(GtkWidget *widget);
+static gboolean gtk_snippet_expose(GtkWidget *widget,
+    GdkEventExpose *event);
+static void gtk_snippet_paint(GtkWidget *widget);
+static void gtk_snippet_destroy(GtkObject *object);
+
+
+GtkType
+gtk_snippet_get_type(void)
+{
+  static GtkType gtk_snippet_type = 0;
+
+
+  if (!gtk_snippet_type) {
+      static const GtkTypeInfo gtk_snippet_info = {
+          "GtkSnippet",
+          sizeof(GtkSnippet),
+          sizeof(GtkSnippetClass),
+          (GtkClassInitFunc) gtk_snippet_class_init,
+          (GtkObjectInitFunc) gtk_snippet_init,
+          NULL,
+          NULL,
+          (GtkClassInitFunc) NULL
+      };
+      gtk_snippet_type = gtk_type_unique(GTK_TYPE_WIDGET, &gtk_snippet_info);
+  }
+
+
+  return gtk_snippet_type;
+}
+
+void
+gtk_snippet_set_state(GtkSnippet *cpu, gint num)
+{
+   cpu->sel = num;
+   gtk_snippet_paint(GTK_WIDGET(cpu));
+}
+
+
+GtkWidget * gtk_snippet_new()
+{
+    GtkSnippet *result;
+
+    result = gtk_type_new(gtk_snippet_get_type());
+
+    return GTK_WIDGET(result);
+
+}
+
+
+static void
+gtk_snippet_class_init(GtkSnippetClass *klass)
+{
+  GtkWidgetClass *widget_class;
+  GtkObjectClass *object_class;
+
+
+  widget_class = (GtkWidgetClass *) klass;
+  object_class = (GtkObjectClass *) klass;
+
+  widget_class->realize = gtk_snippet_realize;
+  widget_class->size_request = gtk_snippet_size_request;
+  widget_class->size_allocate = gtk_snippet_size_allocate;
+  widget_class->expose_event = gtk_snippet_expose;
+
+  object_class->destroy = gtk_snippet_destroy;
+}
+
+
+static void
+gtk_snippet_init(GtkSnippet *snippet)
+{
+   snippet->sel = 0;
+}
+
+
+static void
+gtk_snippet_size_request(GtkWidget *widget,
+    GtkRequisition *requisition)
+{
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_SNIPPET(widget));
+  g_return_if_fail(requisition != NULL);
+
+  requisition->width = 80;
+  requisition->height = 100;
+}
+
+
+static void
+gtk_snippet_size_allocate(GtkWidget *widget,
+    GtkAllocation *allocation)
+{
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_SNIPPET(widget));
+  g_return_if_fail(allocation != NULL);
+
+  widget->allocation = *allocation;
+
+  if (GTK_WIDGET_REALIZED(widget)) {
+     gdk_window_move_resize(
+         widget->window,
+         allocation->x, allocation->y,
+         allocation->width, allocation->height
+     );
+   }
+}
+
+
+static void
+gtk_snippet_realize(GtkWidget *widget)
+{
+  GdkWindowAttr attributes;
+  guint attributes_mask;
+
+  g_return_if_fail(widget != NULL);
+  g_return_if_fail(GTK_IS_SNIPPET(widget));
+
+  GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
+
+  attributes.window_type = GDK_WINDOW_CHILD;
+  attributes.x = widget->allocation.x;
+  attributes.y = widget->allocation.y;
+  attributes.width = widget->allocation.width;
+  attributes.height = widget->allocation.height;
+
+  printf("(%d x %d)\n", widget->allocation.width, widget->allocation.height);
+
+  attributes.wclass = GDK_INPUT_OUTPUT;
+  attributes.event_mask = gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK;
+
+  attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+  widget->window = gdk_window_new(
+     gtk_widget_get_parent_window (widget),
+     & attributes, attributes_mask
+  );
+
+  gdk_window_set_user_data(widget->window, widget);
+
+  widget->style = gtk_style_attach(widget->style, widget->window);
+  gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
+
+
+    GTK_SNIPPET(widget)->layout = gtk_widget_create_pango_layout(widget, NULL);
+    GTK_SNIPPET(widget)->gc = gdk_gc_new(GDK_DRAWABLE(widget->window));
+
+    gtk_snippet_build_content(GTK_SNIPPET(widget));
+
+}
+
+
+static gboolean
+gtk_snippet_expose(GtkWidget *widget,
+    GdkEventExpose *event)
+{
+  g_return_val_if_fail(widget != NULL, FALSE);
+  g_return_val_if_fail(GTK_IS_SNIPPET(widget), FALSE);
+  g_return_val_if_fail(event != NULL, FALSE);
+
+  gtk_snippet_paint(widget);
+
+  return FALSE;
+}
+
+
+static void
+gtk_snippet_paint(GtkWidget *widget)
+{
+  cairo_t *cr;
+
+  cr = gdk_cairo_create(widget->window);
+
+  cairo_translate(cr, 0, 7);
+
+  cairo_set_source_rgb(cr, 1, 1, 1);
+  cairo_paint(cr);
+
+  gint pos = GTK_SNIPPET(widget)->sel;
+  gint rect = pos / 5;
+
+  cairo_set_source_rgb(cr, 0.2, 0.4, 0);
+
+  gint i;
+  for ( i = 1; i <= 20; i++) {
+      if (i > 20 - rect) {
+          cairo_set_source_rgb(cr, 0.6, 1.0, 0);
+      } else {
+          cairo_set_source_rgb(cr, 0.2, 0.4, 0);
+      }
+      cairo_rectangle(cr, 8, i*4, 30, 3);
+      cairo_rectangle(cr, 42, i*4, 30, 3);
+      cairo_fill(cr);
+  }
+
+  cairo_destroy(cr);
+
+  printf("rendering...\n");
+
+  gdk_draw_layout(GDK_DRAWABLE(widget->window), GTK_SNIPPET(widget)->gc,
+                  10, 100, GTK_SNIPPET(widget)->layout);
+
+}
+
+
+static void
+gtk_snippet_destroy(GtkObject *object)
+{
+  GtkSnippet *cpu;
+  GtkSnippetClass *klass;
+
+  g_return_if_fail(object != NULL);
+  g_return_if_fail(GTK_IS_SNIPPET(object));
+
+  cpu = GTK_SNIPPET(object);
+
+  klass = gtk_type_class(gtk_widget_get_type());
+
+  if (GTK_OBJECT_CLASS(klass)->destroy) {
+     (* GTK_OBJECT_CLASS(klass)->destroy) (object);
+  }
+}
+
+
+
+
+void gtk_snippet_set_sel(GtkSnippet *cpu, gint sel)
+{
+    cpu->sel = sel;
+
+}
+
+
+
+void gtk_snippet_test(GtkSnippet *snippet)
+{
+
+
+
+    pango_layout_set_markup(snippet->layout, "<tt>int\t<span foreground='#ff0000'>80</span></tt>", -1);
+
+
+
+
+}
+
+
+
+
+
+
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : snippet = composant GTK à mettre à jour.                     *
+*                proc    = architecture à associer au contenu.                *
+*                                                                             *
+*  Description : Définit l'architecture à laquelle le contenu est lié.        *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_snippet_set_processor(GtkSnippet *snippet, const asm_processor *proc)
+{
+    snippet->proc = proc;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : snippet = composant GTK à mettre à jour.                     *
+*                offset  = position de l'instruction à ajouter.               *
+*                instr   = instruction à représenter ou NULL.                 *
+*                comment = commentaire à imprimer ou NULL.                    *
+*                                                                             *
+*  Description : Ajoute une ligne dans le bloc de représentation.             *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_snippet_add_line(GtkSnippet *snippet, uint64_t offset, asm_instr *instr, const char *comment)
+{
+    snippet->info = (code_line_info *)realloc(snippet->info, ++snippet->info_count * sizeof(code_line_info));
+
+    snippet->info[snippet->info_count - 1].offset = offset;
+    snippet->info[snippet->info_count - 1].instr = instr;
+    snippet->info[snippet->info_count - 1].comment = (comment != NULL ? strdup(comment) : NULL);
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : snippet = composant GTK à mettre à jour.                     *
+*                                                                             *
+*  Description : Définit le contenu visuel à partir des infos enregistrées.   *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+void gtk_snippet_build_content(GtkSnippet *snippet)
+{
+    char *content;                          /* Contenu à définir           */
+    size_t content_len;                     /* Taille du contenu           */
+    AdressMode mode;                        /* Affichage des adresses      */
+    unsigned int i;                         /* Boucle de traitement        */
+    char buffer[CONTENT_BUFFER_LEN];        /* Zone tampon à utiliser      */
+
+    content_len = strlen("<tt>") + 1;
+    content = (char *)calloc(content_len, sizeof(char));
+    strcpy(content, "<tt>");
+
+    mode = ADM_32BITS;  /* FIXME */
+
+    for (i = 0; i < snippet->info_count; i++)
+    {
+        if (i > 0)
+        {
+            content = (char *)realloc(content, ++content_len * sizeof(char));
+            strcat(content, "\n");
+        }
+
+        /* Adresse */
+
+        switch (mode)
+        {
+            case ADM_32BITS:
+                snprintf(buffer, CONTENT_BUFFER_LEN,
+                         "<span foreground='#333333'>0x%08llx</span>", 
+                         snippet->info[i].offset);
+                break;
+
+            case ADM_64BITS:
+                snprintf(buffer, CONTENT_BUFFER_LEN,
+                         "<span foreground='#333333'>0x%16llx</span>", 
+                         snippet->info[i].offset);
+                break;
+
+        }
+
+        content_len += strlen(buffer);
+        content = (char *)realloc(content, content_len * sizeof(char));
+        strcat(content, buffer);
+
+        /* Eventuelle instruction */
+
+        if (snippet->info[i].instr != NULL)
+        {
+            print_hinstruction(snippet->proc, snippet->info[i].instr, buffer, CONTENT_BUFFER_LEN);
+
+            content_len += strlen("\t") + strlen(buffer);
+
+            content = (char *)realloc(content, content_len * sizeof(char));
+            strcat(content, "\t");
+            strcat(content, buffer);
+
+        }
+
+        /* Eventuel commantaire */
+
+        if (snippet->info[i].comment != NULL)
+        {
+            content_len += strlen("\t<b><span foreground='#003300'>; ") + strlen(snippet->info[i].comment) + strlen("</span></b>");
+
+            content = (char *)realloc(content, content_len * sizeof(char));
+            strcat(content, "\t<b><span foreground='#003300'>; ");
+            strcat(content, snippet->info[i].comment);
+            strcat(content, "</span></b>");
+
+        }
+
+    }
+
+    content_len += strlen("</tt>");
+    content = (char *)realloc(content, content_len * sizeof(char));
+    strcat(content, "</tt>");
+
+    pango_layout_set_markup(snippet->layout, content, content_len - 1);
+
+}
+
+
+
diff --git a/src/gtksnippet.h b/src/gtksnippet.h
new file mode 100644
index 0000000..e66eedc
--- /dev/null
+++ b/src/gtksnippet.h
@@ -0,0 +1,128 @@
+
+/* OpenIDA - Outil d'analyse de fichiers binaires
+ * format_elf.h - prototypes pour l'affichage d'un fragment de code d'assemblage
+ *
+ * Copyright (C) 2008 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/>.
+ */
+
+
+#ifndef _GTK_SNIPPET_H
+#define _GTK_SNIPPET_H
+
+
+#include <stdint.h>
+#include <gtk/gtk.h>
+#include <cairo.h>
+
+
+
+
+#include "arch/instruction.h"
+#include "arch/processor.h"
+
+
+
+
+
+
+
+G_BEGIN_DECLS
+
+
+#define GTK_SNIPPET(obj) GTK_CHECK_CAST(obj, gtk_snippet_get_type (), GtkSnippet)
+#define GTK_SNIPPET_CLASS(klass) GTK_CHECK_CLASS_CAST(klass, gtk_snippet_get_type(), GtkSnippetClass)
+#define GTK_IS_SNIPPET(obj) GTK_CHECK_TYPE(obj, gtk_snippet_get_type())
+
+
+typedef struct _GtkSnippet GtkSnippet;
+typedef struct _GtkSnippetClass GtkSnippetClass;
+
+
+/* Mode d'adressage à utiliser */
+typedef enum _AdressMode
+{
+    ADM_32BITS,                             /* Adresses sur 32 bits        */
+    ADM_64BITS                              /* Adresses sur 64 bits        */
+
+} AdressMode;
+
+
+
+typedef struct _code_line_info
+{
+    uint64_t offset;                        /* Position de l'instruction   */
+    asm_instr *instr;                       /* Eventuelle instruction      */
+    char *comment;                          /* Eventuel commentaire        */
+
+} code_line_info;
+
+
+struct _GtkSnippet {
+
+    GtkWidget widget;                       /* Présence obligatoire en 1er */
+
+    AdressMode mode;                        /* Mode d'affichage            */
+
+    PangoLayout *layout;                    /* Moteur de rendu du code ASM */
+    GdkGC *gc;                              /* Contexte graphique du rendu */
+
+    const asm_processor *proc;              /* Architecture utilisée       */
+    code_line_info *info;                   /* Contenu à représenter       */
+    unsigned int info_count;                /* Quantité d'informations     */
+
+
+  gint sel;
+};
+
+struct _GtkSnippetClass {
+  GtkWidgetClass parent_class;
+};
+
+
+GtkType gtk_snippet_get_type(void);
+void gtk_snippet_set_sel(GtkSnippet *cpu, gint sel);
+
+GtkWidget * gtk_snippet_new();
+
+
+
+
+void gtk_snippet_test(GtkSnippet *cpu);
+
+
+
+/* Définit l'architecture à laquelle le contenu est lié. */
+void gtk_snippet_set_processor(GtkSnippet *, const asm_processor *);
+
+/* Ajoute une ligne dans le bloc de représentation. */
+void gtk_snippet_add_line(GtkSnippet *, uint64_t, asm_instr *, const char *);
+
+/* Définit le contenu visuel à partir des infos enregistrées. */
+void gtk_snippet_build_content(GtkSnippet *);
+
+
+
+
+G_END_DECLS
+
+
+
+
+
+
+#endif  /* _GTK_SNIPPET_H */