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/* Chrysalide - Outil d'analyse de fichiers binaires
* mclf-int.c - structures internes du format MCLF
*
* Copyright (C) 2015-2018 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 "mclf-int.h"
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
* header = en-tête à déterminer. [OUT] *
* endian = boutisme reconnu dans le format. [OUT] *
* *
* Description : Procède à la lecture de l'en-tête d'un contenu binaire MCLF. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool read_mclf_header(GMCLFFormat *format, mclf_header_t *header, SourceEndian endian)
{
bool result; /* Bilan à retourner */
GBinContent *content; /* Contenu binaire à lire */
vmpa2t pos; /* Position de lecture */
uint32_t tmp; /* Espace de transition */
content = G_BIN_FORMAT(format)->content;
init_vmpa(&pos, 0, VMPA_NO_VIRTUAL);
result = g_binary_content_read_u32(content, &pos, endian, &header->intro.magic);
result &= g_binary_content_read_u32(content, &pos, endian, &header->intro.version);
result &= g_binary_content_read_u32(content, &pos, endian, &header->v1.flags);
result &= g_binary_content_read_u32(content, &pos, endian, &tmp);
header->v1.mem_type = tmp;
result &= g_binary_content_read_u32(content, &pos, endian, &tmp);
header->v1.service_type = tmp;
result &= g_binary_content_read_u32(content, &pos, endian, &header->v1.num_instances);
result &= g_binary_content_read_raw(content, &pos, 16, (bin_t *)&header->v1.uuid);
result &= g_binary_content_read_u32(content, &pos, endian, &tmp);
header->v1.driver_id = tmp;
result &= g_binary_content_read_u32(content, &pos, endian, &header->v1.num_threads);
result &= read_mclf_segment_desc(format, &header->v1.text, &pos, endian);
result &= read_mclf_segment_desc(format, &header->v1.data, &pos, endian);
result &= g_binary_content_read_u32(content, &pos, endian, &header->v1.bss_len);
result &= g_binary_content_read_u32(content, &pos, endian, &header->v1.entry);
result &= g_binary_content_read_u32(content, &pos, endian, &header->v2.service_version);
return result;
}
/******************************************************************************
* *
* Paramètres : format = informations chargées à consulter. *
* segment = descripteur à déterminer. [OUT] *
* pos = position de début de lecture. [OUT] *
* endian = boutisme reconnu dans le format. [OUT] *
* *
* Description : Procède à la lecture d'un descripteur de segment MCLF. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool read_mclf_segment_desc(GMCLFFormat *format, segment_descriptor_t *segment, vmpa2t *pos, SourceEndian endian)
{
bool result; /* Bilan à retourner */
GBinContent *content; /* Contenu binaire à lire */
content = G_BIN_FORMAT(format)->content;
result = g_binary_content_read_u32(content, pos, endian, &segment->start);
result &= g_binary_content_read_u32(content, pos, endian, &segment->len);
return result;
}
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