diff options
Diffstat (limited to 'src/format/dwarf/v2/form.c')
-rw-r--r-- | src/format/dwarf/v2/form.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/src/format/dwarf/v2/form.c b/src/format/dwarf/v2/form.c deleted file mode 100644 index 7e012b7..0000000 --- a/src/format/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; - -} |