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authorCyrille Bagard <nocbos@gmail.com>2018-11-24 11:41:13 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2018-11-24 11:41:13 (GMT)
commitdad453ff553f0ab07206f26345dc0adeffb775fd (patch)
tree322f3b26da0d0d25011b7e64afc7c7ee37aa5608 /plugins/dwarf/dwarf-int.c
parent615171f171f53791a25aeab7970e29b024177d48 (diff)
Moved the DWARF support as plugin and disabled it.
Diffstat (limited to 'plugins/dwarf/dwarf-int.c')
-rw-r--r--plugins/dwarf/dwarf-int.c207
1 files changed, 207 insertions, 0 deletions
diff --git a/plugins/dwarf/dwarf-int.c b/plugins/dwarf/dwarf-int.c
new file mode 100644
index 0000000..365414b
--- /dev/null
+++ b/plugins/dwarf/dwarf-int.c
@@ -0,0 +1,207 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * dwarf-int.c - structures internes du format DWARF
+ *
+ * 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-int.h"
+
+
+
+/******************************************************************************
+* *
+* Paramètres : format = informations chargées à consulter. *
+* pos = position de début de lecture. [OUT] *
+* attr = structure lue à retourner. [OUT] *
+* *
+* Description : Procède à la lecture d'un attribut d'abréviation DWARF. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool read_dwarf_abbrev_attr(const GDwarfFormat *format, vmpa2t *pos, dw_abbrev_raw_attr *attr)
+{
+ bool result; /* Bilan à retourner */
+ const GBinContent *content; /* Contenu binaire à lire */
+
+ content = G_BIN_FORMAT(format)->content;
+
+ result = g_binary_content_read_uleb128(content, pos, &attr->name);
+ result &= g_binary_content_read_uleb128(content, pos, &attr->form);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : format = informations chargées à consulter. *
+* pos = position de début de lecture. [OUT] *
+* decl = structure lue à retourner. [OUT] *
+* *
+* Description : Procède à la lecture d'une déclaration d'abréviation DWARF. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool read_dwarf_abbrev_decl(const GDwarfFormat *format, vmpa2t *pos, dw_abbrev_decl *decl)
+{
+ bool result; /* Bilan à retourner */
+ const GBinContent *content; /* Contenu binaire à lire */
+
+ content = G_BIN_FORMAT(format)->content;
+
+ result = g_binary_content_read_uleb128(content, pos, &decl->code);
+ result &= g_binary_content_read_uleb128(content, pos, &decl->tag);
+ result &= g_binary_content_read_u8(content, pos, &decl->has_children);
+
+ return result;
+
+}
+
+
+
+
+
+
+/******************************************************************************
+* *
+* Paramètres : format = informations chargées à consulter. *
+* pos = position de début de lecture. [OUT] *
+* endian = boutisme reconnu dans le format. *
+* header = en-tête à déterminer. [OUT] *
+* *
+* Description : Procède à la lecture de l'en-tête d'un contenu binaire DWARF.*
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool read_dwarf_section_header(GBinContent *content, vmpa2t *pos, SourceEndian endian, dw_section_header *header)
+{
+ bool result; /* Bilan à retourner */
+ uint32_t first; /* Premier paquet d'octets */
+ bool status; /* Bilan d'opération */
+
+ result = false;
+
+ status = g_binary_content_read_u32(content, pos, endian, &first);
+ if (!status) goto rdsh_exit;
+
+ if (first >= 0xfffffff0 && first != 0xffffffff)
+ goto rdsh_exit;
+
+ if (first == 0xffffffff)
+ {
+ result = g_binary_content_read_u64(content, pos, endian, &header->unit_length);
+ header->is_32b = false;
+ }
+ else
+ {
+ result = true;
+ header->unit_length = first;
+ header->is_32b = true;
+ }
+
+ result &= g_binary_content_read_u16(content, pos, endian, &header->version);
+
+ rdsh_exit:
+
+ return result;
+
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/******************************************************************************
+* *
+* Paramètres : format = informations chargées à consulter. *
+* pos = position de début de lecture. [OUT] *
+* endian = boutisme reconnu dans le format. *
+* header = en-tête à déterminer. [OUT] *
+* *
+* Description : Procède à la lecture de l'en-tête d'une unité de compilation.*
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool read_dwarf_compil_unit_header(GBinContent *content, vmpa2t *pos, SourceEndian endian, dw_compil_unit_header *header)
+{
+ bool result; /* Bilan à retourner */
+ uint32_t val32; /* Premier paquet d'octets */
+ bool status; /* Bilan d'opération */
+
+ result = read_dwarf_section_header(content, pos, endian, (dw_section_header *)header);
+ if (!result) goto rdcuh_exit;
+
+ if (header->is_32b)
+ {
+ status = g_binary_content_read_u32(content, pos, endian, &val32);
+ if (!status) goto rdcuh_exit;
+
+ header->debug_abbrev_offset = val32;
+
+ }
+ else
+ {
+ status = g_binary_content_read_u64(content, pos, endian, &header->debug_abbrev_offset);
+ if (!status) goto rdcuh_exit;
+
+ }
+
+ result &= g_binary_content_read_u8(content, pos, &header->address_size);
+
+ rdcuh_exit:
+
+ return result;
+
+}
+
+
+
+
+
+
+