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-rw-r--r--plugins/dwarf/v2/Makefile.am15
-rw-r--r--plugins/dwarf/v2/checks.c80
-rw-r--r--plugins/dwarf/v2/checks.h (renamed from plugins/dwarf/v2/form.h)24
-rw-r--r--plugins/dwarf/v2/dwarf.c180
-rw-r--r--plugins/dwarf/v2/dwarf.h58
-rw-r--r--plugins/dwarf/v2/form.c276
6 files changed, 101 insertions, 532 deletions
diff --git a/plugins/dwarf/v2/Makefile.am b/plugins/dwarf/v2/Makefile.am
index d1fc563..a597686 100644
--- a/plugins/dwarf/v2/Makefile.am
+++ b/plugins/dwarf/v2/Makefile.am
@@ -1,18 +1,17 @@
-noinst_LTLIBRARIES = libformatdwarfv2.la
+noinst_LTLIBRARIES = libdwarfv2.la
-libformatdwarfv2_la_SOURCES = \
- dwarf.h dwarf.c \
- form.h form.c
+libdwarfv2_la_SOURCES = \
+ checks.h checks.c
-libformatdwarfv2_la_LDFLAGS = $(LIBGTK_LIBS)
+libdwarfv2_la_LDFLAGS = $(LIBGTK_LIBS)
-devdir = $(includedir)/chrysalide/$(subdir:src/%=%)
+devdir = $(includedir)/chrysalide-$(subdir)
-dev_HEADERS = $(libformatdwarfv2_la_SOURCES:%c=)
+dev_HEADERS = $(libdwarfv2_la_SOURCES:%c=)
-AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS)
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) -I$(top_srcdir)/src
AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
diff --git a/plugins/dwarf/v2/checks.c b/plugins/dwarf/v2/checks.c
new file mode 100644
index 0000000..4d1e660
--- /dev/null
+++ b/plugins/dwarf/v2/checks.c
@@ -0,0 +1,80 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * checks.c - validations liées au format DWARF v2
+ *
+ * Copyright (C) 2018 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 "checks.h"
+
+
+
+/******************************************************************************
+* *
+* Paramètres : decl = structure brute dont le contenu est à valider. *
+* *
+* Description : Procède à la conversion de base d'une abréviation DWARF. *
+* *
+* Retour : Validité confirmée ou non. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool check_dwarfv2_abbrev_decl(const dw_abbrev_decl *decl)
+{
+ bool result; /* Validité à retourner */
+
+ result = (decl->tag >= DW_TAG_array_type && decl->tag <= DW_TAG_volatile_type)
+ || (decl->tag >= DW_TAG_lo_user && decl->tag <= DW_TAG_hi_user);
+
+ if (result)
+ result = (decl->has_children == DW_CHILDREN_no
+ || decl->has_children == DW_CHILDREN_yes);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : decl = structure brute dont le contenu est à valider. *
+* *
+* Description : Procède à la conversion d'un attribut d'abréviation DWARF. *
+* *
+* Retour : Validité confirmée ou non. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool check_dwarfv2_abbrev_attrib(const dw_abbrev_raw_attr *attr)
+{
+ bool result; /* Validité à retourner */
+
+ result = (attr->name >= DW_AT_sibling && attr->name <= DW_AT_vtable_elem_location)
+ || (attr->name >= DW_AT_lo_user && attr->name <= DW_AT_hi_user);
+
+ if (result)
+ result = (attr->form >= DW_FORM_addr && attr->form <= DW_FORM_indirect);
+
+ return result;
+
+}
diff --git a/plugins/dwarf/v2/form.h b/plugins/dwarf/v2/checks.h
index a124e67..c0f8030 100644
--- a/plugins/dwarf/v2/form.h
+++ b/plugins/dwarf/v2/checks.h
@@ -1,8 +1,8 @@
/* Chrysalide - Outil d'analyse de fichiers binaires
- * form.h - prototypes pour le chargement en mémoire des valeurs d'attributs
+ * checks.h - prototypes pour les validations liées au format DWARF v2
*
- * Copyright (C) 2016-2017 Cyrille Bagard
+ * Copyright (C) 2018 Cyrille Bagard
*
* This file is part of Chrysalide.
*
@@ -21,19 +21,23 @@
*/
-#ifndef _FORMAT_DWARF_V2_FORM_H
-#define _FORMAT_DWARF_V2_FORM_H
+#ifndef _PLUGINS_DWARF_V2_CHECKS_H
+#define _PLUGINS_DWARF_V2_CHECKS_H
-#include "../dwarf.h"
-#include "../dwarf_def.h"
-#include "../../../analysis/content.h"
+#include <stdbool.h>
+#include "../def.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 *);
+/* Procède à la conversion de base d'une abréviation DWARF. */
+bool check_dwarfv2_abbrev_decl(const dw_abbrev_decl *);
-#endif /* _FORMAT_DWARF_V2_FORM_H */
+/* Procède à la conversion d'un attribut d'abréviation DWARF. */
+bool check_dwarfv2_abbrev_attrib(const dw_abbrev_raw_attr *);
+
+
+
+#endif /* _PLUGINS_DWARF_V2_CHECKS_H */
diff --git a/plugins/dwarf/v2/dwarf.c b/plugins/dwarf/v2/dwarf.c
deleted file mode 100644
index 8f794bf..0000000
--- a/plugins/dwarf/v2/dwarf.c
+++ /dev/null
@@ -1,180 +0,0 @@
-
-/* 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
deleted file mode 100644
index f3b3501..0000000
--- a/plugins/dwarf/v2/dwarf.h
+++ /dev/null
@@ -1,58 +0,0 @@
-
-/* 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
deleted file mode 100644
index 7e012b7..0000000
--- a/plugins/dwarf/v2/form.c
+++ /dev/null
@@ -1,276 +0,0 @@
-
-/* 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;
-
-}
generated by cgit v0.11.2-87-g4458 at 2024-12-26 04:44:31 (GMT)