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-rw-r--r--plugins/dwarf/v2/Makefile.am18
-rw-r--r--plugins/dwarf/v2/dwarf.c180
-rw-r--r--plugins/dwarf/v2/dwarf.h58
-rw-r--r--plugins/dwarf/v2/form.c276
-rw-r--r--plugins/dwarf/v2/form.h39
5 files changed, 571 insertions, 0 deletions
diff --git a/plugins/dwarf/v2/Makefile.am b/plugins/dwarf/v2/Makefile.am
new file mode 100644
index 0000000..d1fc563
--- /dev/null
+++ b/plugins/dwarf/v2/Makefile.am
@@ -0,0 +1,18 @@
+
+noinst_LTLIBRARIES = libformatdwarfv2.la
+
+libformatdwarfv2_la_SOURCES = \
+ dwarf.h dwarf.c \
+ form.h form.c
+
+libformatdwarfv2_la_LDFLAGS = $(LIBGTK_LIBS)
+
+
+devdir = $(includedir)/chrysalide/$(subdir:src/%=%)
+
+dev_HEADERS = $(libformatdwarfv2_la_SOURCES:%c=)
+
+
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
diff --git a/plugins/dwarf/v2/dwarf.c b/plugins/dwarf/v2/dwarf.c
new file mode 100644
index 0000000..8f794bf
--- /dev/null
+++ b/plugins/dwarf/v2/dwarf.c
@@ -0,0 +1,180 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * dwarf.c - support du format DWARF v2
+ *
+ * Copyright (C) 2015-2017 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 "dwarf.h"
+
+
+#include "../dwarf-int.h"
+
+
+#include "form.h"
+
+
+
+/* Format de débogage DWARF v2 (instance) */
+struct _GDwarfV2Format
+{
+ GDwarfFormat parent; /* A laisser en premier */
+
+};
+
+/* Format de débogage DWARF v2 (classe) */
+struct _GDwarfV2FormatClass
+{
+ GDwarfFormatClass parent; /* A laisser en premier */
+
+};
+
+
+/* Initialise la classe des formats de débogage DWARF v2. */
+static void g_dwarfv2_format_class_init(GDwarfV2FormatClass *);
+
+/* Initialise une instance de format de débogage DWARF v2. */
+static void g_dwarfv2_format_init(GDwarfV2Format *);
+
+/* Supprime toutes les références externes. */
+static void g_dwarfv2_format_dispose(GDwarfV2Format *);
+
+/* Procède à la libération totale de la mémoire. */
+static void g_dwarfv2_format_finalize(GDwarfV2Format *);
+
+
+
+/* Indique le type défini pour un format de débogage DWARF v2. */
+G_DEFINE_TYPE(GDwarfV2Format, g_dwarfv2_format, G_TYPE_DWARF_FORMAT);
+
+
+/******************************************************************************
+* *
+* Paramètres : klass = classe à initialiser. *
+* *
+* Description : Initialise la classe des formats de débogage DWARF v2. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dwarfv2_format_class_init(GDwarfV2FormatClass *klass)
+{
+ GObjectClass *object; /* Autre version de la classe */
+ GDwarfFormatClass *dwarf; /* Version parente de la classe*/
+
+ object = G_OBJECT_CLASS(klass);
+
+ object->dispose = (GObjectFinalizeFunc/* ! */)g_dwarfv2_format_dispose;
+ object->finalize = (GObjectFinalizeFunc)g_dwarfv2_format_finalize;
+
+ dwarf = G_DWARF_FORMAT_CLASS(klass);
+
+ dwarf->read_form = (read_form_value_fc)read_dwarf_v2_form_value;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : format = instance à initialiser. *
+* *
+* Description : Initialise une instance de format de débogage DWARF v2. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dwarfv2_format_init(GDwarfV2Format *format)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : format = instance d'objet GLib à traiter. *
+* *
+* Description : Supprime toutes les références externes. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dwarfv2_format_dispose(GDwarfV2Format *format)
+{
+ G_OBJECT_CLASS(g_dwarfv2_format_parent_class)->dispose(G_OBJECT(format));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : format = instance d'objet GLib à traiter. *
+* *
+* Description : Procède à la libération totale de la mémoire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void g_dwarfv2_format_finalize(GDwarfV2Format *format)
+{
+ G_OBJECT_CLASS(g_dwarfv2_format_parent_class)->finalize(G_OBJECT(format));
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : content = contenu binaire à parcourir. *
+* parent = éventuel format exécutable déjà chargé. *
+ status = barre de statut à tenir informée. *
+* *
+* Description : Prend en charge un nouveau format DWARF (v2). *
+* *
+* Retour : Adresse de la structure mise en place ou NULL en cas d'échec.*
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+GBinFormat *g_dwarfv2_format_new(GBinContent *content, GExeFormat *parent, GtkStatusStack *status)
+{
+ GDwarfV2Format *result; /* Structure à retourner */
+
+ result = g_object_new(G_TYPE_DWARFV2_FORMAT, NULL);
+
+
+
+ g_binary_format_set_content(G_BIN_FORMAT(result), content);
+
+
+
+ return G_BIN_FORMAT(result);
+
+}
diff --git a/plugins/dwarf/v2/dwarf.h b/plugins/dwarf/v2/dwarf.h
new file mode 100644
index 0000000..f3b3501
--- /dev/null
+++ b/plugins/dwarf/v2/dwarf.h
@@ -0,0 +1,58 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * dwarf.h - prototypes pour le support du format DWARF v2
+ *
+ * Copyright (C) 2015-2017 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/>.
+ */
+
+
+#ifndef _FORMAT_DWARF_V2_DWARF_H
+#define _FORMAT_DWARF_V2_DWARF_H
+
+
+#include <glib-object.h>
+
+
+#include "../../../core/formats.h"
+
+
+
+#define G_TYPE_DWARFV2_FORMAT g_dwarfv2_format_get_type()
+#define G_DWARFV2_FORMAT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), g_dwarfv2_format_get_type(), GDwarfV2Format))
+#define G_IS_DWARFV2_FORMAT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), g_dwarfv2_format_get_type()))
+#define G_DWARFV2_FORMAT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_DWARFV2_FORMAT, GDwarfV2FormatClass))
+#define G_IS_DWARFV2_FORMAT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_DWARFV2_FORMAT))
+#define G_DWARFV2_FORMAT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_DWARFV2_FORMAT, GDwarfV2FormatClass))
+
+
+/* Format de débogage DWARF v2 (instance) */
+typedef struct _GDwarfV2Format GDwarfV2Format;
+
+/* Format de débogage DWARF v2 (classe) */
+typedef struct _GDwarfV2FormatClass GDwarfV2FormatClass;
+
+
+/* Indique le type défini pour un format de débogage DWARF v2. */
+GType g_dwarfv2_format_get_type(void);
+
+/* Prend en charge un nouveau format DWARF (v2). */
+GBinFormat *g_dwarfv2_format_new(GBinContent *, GExeFormat *, GtkStatusStack *);
+
+
+
+#endif /* _FORMAT_DWARF_V2_DWARF_H */
diff --git a/plugins/dwarf/v2/form.c b/plugins/dwarf/v2/form.c
new file mode 100644
index 0000000..7e012b7
--- /dev/null
+++ b/plugins/dwarf/v2/form.c
@@ -0,0 +1,276 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * form.c - chargement en mémoire des valeurs d'attributs
+ *
+ * Copyright (C) 2016-2017 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 "form.h"
+
+
+#include "../dwarf-int.h"
+
+
+
+/******************************************************************************
+* *
+* Paramètres : format = contenu binaire de débogage à parcourir. *
+* cu = unité de compilation parente. *
+* form = nature de la valeur à lire. *
+* pos = tête de lecture au sein des données. [OUT] *
+* value = valeur au format donné lue. [OUT] *
+* *
+* Description : Lit la valeur correspondant à un type donné. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool read_dwarf_v2_form_value(const GDwarfFormat *format, const dw_compil_unit_header *cu, DwarfForm form, vmpa2t *pos, dw_v2_form_value *value)
+{
+ bool result; /* Bilan de lecture à renvoyer */
+ GBinContent *content; /* Contenu binaire à parcourir */
+ SourceEndian endian; /* Boutisme des enregistrements*/
+ GExeFormat *exe; /* Format d'exécutable rattaché*/
+ const bin_t *tmp; /* Données quelconques */
+ uint8_t tmp8; /* Données sur 8 bits */
+ uint16_t tmp16; /* Données sur 16 bits */
+ uint32_t tmp32; /* Données sur 32 bits */
+ uint64_t tmp64; /* Données sur 64 bits */
+ uleb128_t tmpuleb; /* Données sur xxx bits */
+ phys_t offset; /* Décalage à appliquer */
+ mrange_t range; /* Couverture d'une section */
+ vmpa2t iter; /* Point de lecture parallèle */
+
+ content = G_BIN_FORMAT(format)->content;
+ endian = g_binary_format_get_endianness(G_BIN_FORMAT(format));
+ exe = G_DBG_FORMAT(format)->executable;
+
+ switch (form)
+ {
+ case DW_FORM_addr:
+
+ switch (cu->address_size)
+ {
+ case 2:
+ result = g_binary_content_read_u16(content, pos, endian, &tmp16);
+ if (result) value->address = tmp16;
+ break;
+ case 4:
+ result = g_binary_content_read_u32(content, pos, endian, &tmp32);
+ if (result) value->address = tmp32;
+ break;
+ case 8:
+ result = g_binary_content_read_u64(content, pos, endian, &tmp64);
+ if (result) value->address = tmp64;
+ break;
+ default:
+ result = false;
+ break;
+ }
+ break;
+
+ case DW_FORM_block2:
+ result = g_binary_content_read_u16(content, pos, endian, &tmp16);
+ if (result)
+ {
+ value->block.size = tmp16;
+ goto block_finish;
+ }
+ break;
+
+ case DW_FORM_block4:
+ result = g_binary_content_read_u32(content, pos, endian, &tmp32);
+ if (result)
+ {
+ value->block.size = tmp32;
+ goto block_finish;
+ }
+ break;
+
+ case DW_FORM_data2:
+ result = g_binary_content_read_u16(content, pos, endian, &value->data2);
+ break;
+
+ case DW_FORM_data4:
+ result = g_binary_content_read_u32(content, pos, endian, &value->data4);
+ break;
+
+ case DW_FORM_data8:
+ result = g_binary_content_read_u64(content, pos, endian, &value->data8);
+ break;
+
+ case DW_FORM_string:
+
+ tmp = g_binary_content_get_raw_access(content, pos, 1);
+ result = (tmp != NULL);
+
+ if (result)
+ {
+ value->string = (const char *)tmp;
+
+ while (result && *tmp != '\0')
+ {
+ tmp = g_binary_content_get_raw_access(content, pos, 1);
+ result = (tmp != NULL);
+ }
+
+ }
+
+ break;
+
+ case DW_FORM_block:
+
+ tmpuleb = 0; /* Pour GCC */
+
+ result = g_binary_content_read_uleb128(content, pos, &tmpuleb);
+ if (!result) break;
+
+ value->block.size = tmpuleb;
+
+ block_finish:
+
+ value->block.start = g_binary_content_get_raw_access(content, pos, value->block.size);
+
+ result = (value->block.start != NULL);
+ break;
+
+ case DW_FORM_block1:
+ result = g_binary_content_read_u8(content, pos, &tmp8);
+ if (result)
+ {
+ value->block.size = tmp8;
+ goto block_finish;
+ }
+ break;
+
+ case DW_FORM_data1:
+ result = g_binary_content_read_u8(content, pos, &value->data1);
+ break;
+
+ case DW_FORM_flag:
+ result = g_binary_content_read_u8(content, pos, &value->flag);
+ break;
+
+ case DW_FORM_sdata:
+ result = g_binary_content_read_leb128(content, pos, &value->sdata);
+ break;
+
+ case DW_FORM_strp:
+
+ /* Définition des positions */
+
+ if (cu->is_32b)
+ {
+ result = g_binary_content_read_u32(content, pos, endian, &tmp32);
+ offset = tmp32;
+ }
+ else
+ {
+ result = g_binary_content_read_u64(content, pos, endian, &tmp64);
+ offset = tmp64;
+ }
+
+ /* Lecture dans la section adaptée */
+
+ if (result)
+ result = g_exe_format_get_section_range_by_name(exe, ".debug_str", &range);
+
+ if (result)
+ {
+ copy_vmpa(&iter, get_mrange_addr(&range));
+
+ result = g_binary_content_seek(content, &iter, offset);
+
+ if (!result)
+ break;
+
+ tmp = g_binary_content_get_raw_access(content, &iter, 1);
+ result = (tmp != NULL);
+
+ if (result)
+ {
+ value->string = (const char *)tmp;
+
+ while (result && *tmp != '\0')
+ {
+ tmp = g_binary_content_get_raw_access(content, &iter, 1);
+ result = (tmp != NULL);
+ }
+
+ }
+
+ }
+
+ break;
+
+ case DW_FORM_udata:
+ result = g_binary_content_read_uleb128(content, pos, &value->udata);
+ break;
+
+
+
+
+
+
+
+
+
+
+
+ case DW_FORM_ref1:
+ result = g_binary_content_read_u8(content, pos, &value->ref1);
+ break;
+
+ case DW_FORM_ref2:
+ result = g_binary_content_read_u16(content, pos, endian, &value->ref2);
+ break;
+
+ case DW_FORM_ref4:
+ result = g_binary_content_read_u32(content, pos, endian, &value->ref4);
+ break;
+
+ case DW_FORM_ref8:
+ result = g_binary_content_read_u64(content, pos, endian, &value->ref8);
+ break;
+
+ case DW_FORM_ref_udata:
+ result = g_binary_content_read_uleb128(content, pos, &value->ref_udata);
+ break;
+
+
+
+
+
+
+
+
+
+
+ default:
+ result = false;
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/dwarf/v2/form.h b/plugins/dwarf/v2/form.h
new file mode 100644
index 0000000..a124e67
--- /dev/null
+++ b/plugins/dwarf/v2/form.h
@@ -0,0 +1,39 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * form.h - prototypes pour le chargement en mémoire des valeurs d'attributs
+ *
+ * Copyright (C) 2016-2017 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/>.
+ */
+
+
+#ifndef _FORMAT_DWARF_V2_FORM_H
+#define _FORMAT_DWARF_V2_FORM_H
+
+
+#include "../dwarf.h"
+#include "../dwarf_def.h"
+#include "../../../analysis/content.h"
+
+
+
+/* Lit la valeur correspondant à un type donné. */
+bool read_dwarf_v2_form_value(const GDwarfFormat *, const dw_compil_unit_header *, DwarfForm, vmpa2t *, dw_v2_form_value *);
+
+
+
+#endif /* _FORMAT_DWARF_V2_FORM_H */
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