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|
/* Chrysalide - Outil d'analyse de fichiers binaires
* header.c - annotation des en-têtes de binaires ELF
*
* 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 "header.h"
#include <plugins/elf/format.h>
#include <plugins/fmtp/parser.h>
/* Définition des champs */
static field_desc_switch _elf_classes[] = {
{ .fixed = EV_NONE, .desc = __("File class: invalid") },
{ .fixed = ELFCLASS32, .desc = __("File class: 32-bit objects") },
{ .fixed = ELFCLASS64, .desc = __("File class: 64-bit objects") }
};
static field_desc_switch _elf_data[] = {
{ .fixed = ELFDATANONE, .desc = __("Data encoding: invalid") },
{ .fixed = ELFDATA2LSB, .desc = __("Data encoding: 2's complement, little endian") },
{ .fixed = ELFDATA2MSB, .desc = __("Data encoding: 2's complement, big endian") }
};
static field_desc_switch _elf_versions[] = {
{ .fixed = EV_NONE, .desc = __("File version: invalid") },
{ .fixed = EV_CURRENT, .desc = __("File version: current") }
};
static field_desc_switch _elf_os_abis[] = {
{ .fixed = ELFOSABI_SYSV, .desc = __("OS ABI: UNIX System V ABI") },
{ .fixed = ELFOSABI_HPUX, .desc = __("OS ABI: HP-UX") },
{ .fixed = ELFOSABI_NETBSD, .desc = __("OS ABI: NetBSD") },
{ .fixed = ELFOSABI_GNU, .desc = __("OS ABI: Object uses GNU ELF extensions") },
{ .fixed = ELFOSABI_SOLARIS, .desc = __("OS ABI: Sun Solaris") },
{ .fixed = ELFOSABI_AIX, .desc = __("OS ABI: IBM AIX") },
{ .fixed = ELFOSABI_IRIX, .desc = __("OS ABI: SGI Irix") },
{ .fixed = ELFOSABI_FREEBSD, .desc = __("OS ABI: FreeBSD") },
{ .fixed = ELFOSABI_TRU64, .desc = __("OS ABI: Compaq TRU64 UNIX") },
{ .fixed = ELFOSABI_MODESTO, .desc = __("OS ABI: Novell Modesto") },
{ .fixed = ELFOSABI_OPENBSD, .desc = __("OS ABI: OpenBSD") },
{ .fixed = ELFOSABI_ARM_AEABI, .desc = __("OS ABI: ARM EABI") },
{ .fixed = ELFOSABI_ARM, .desc = __("OS ABI: ARM") },
{ .fixed = ELFOSABI_STANDALONE, .desc = __("OS ABI: Standalone (embedded) application") }
};
static field_desc_switch _elf_types[] = {
{ .fixed = ET_NONE, .desc = __("Object file type: no file type") },
{ .fixed = ET_REL, .desc = __("Object file type: relocatable file") },
{ .fixed = ET_EXEC, .desc = __("Object file type: executable file") },
{ .fixed = ET_DYN, .desc = __("Object file type: shared object file") },
{ .fixed = ET_CORE, .desc = __("Object file type: core file") },
{ .lower = ET_LOOS, .upper = ET_HIOS, .desc = __("Object file type: OS-specific") },
{ .lower = ET_LOPROC, .upper = ET_HIPROC, .desc = __("Object file type: processor-specific") }
};
static field_desc_switch _elf_machines[] = {
{ .fixed = EM_NONE, .desc = __("Architecture: No machine") },
{ .fixed = EM_M32, .desc = __("Architecture: AT&T WE 32100") },
{ .fixed = EM_SPARC, .desc = __("Architecture: SUN SPARC") },
{ .fixed = EM_386, .desc = __("Architecture: Intel 80386") },
{ .fixed = EM_68K, .desc = __("Architecture: Motorola m68k family") },
{ .fixed = EM_88K, .desc = __("Architecture: Motorola m88k family") },
{ .fixed = EM_860, .desc = __("Architecture: Intel 80860") },
{ .fixed = EM_MIPS, .desc = __("Architecture: MIPS R3000 big-endian") },
{ .fixed = EM_S370, .desc = __("Architecture: IBM System/370") },
{ .fixed = EM_MIPS_RS3_LE, .desc = __("Architecture: MIPS R3000 little-endian") },
{ .fixed = EM_PARISC, .desc = __("Architecture: HPPA") },
{ .fixed = EM_VPP500, .desc = __("Architecture: Fujitsu VPP500") },
{ .fixed = EM_SPARC32PLUS, .desc = __("Architecture: Sun's \"v8plus\"") },
{ .fixed = EM_960, .desc = __("Architecture: Intel 80960") },
{ .fixed = EM_PPC, .desc = __("Architecture: PowerPC") },
{ .fixed = EM_PPC64, .desc = __("Architecture: PowerPC 64-bit") },
{ .fixed = EM_S390, .desc = __("Architecture: IBM S390") },
{ .fixed = EM_V800, .desc = __("Architecture: NEC V800 series") },
{ .fixed = EM_FR20, .desc = __("Architecture: Fujitsu FR20") },
{ .fixed = EM_RH32, .desc = __("Architecture: TRW RH-32") },
{ .fixed = EM_RCE, .desc = __("Architecture: Motorola RCE") },
{ .fixed = EM_ARM, .desc = __("Architecture: ARM") },
{ .fixed = EM_FAKE_ALPHA, .desc = __("Architecture: Digital Alpha") },
{ .fixed = EM_SH, .desc = __("Architecture: Hitachi SH") },
{ .fixed = EM_SPARCV9, .desc = __("Architecture: SPARC v9 64-bit") },
{ .fixed = EM_TRICORE, .desc = __("Architecture: Siemens Tricore") },
{ .fixed = EM_ARC, .desc = __("Architecture: Argonaut RISC Core") },
{ .fixed = EM_H8_300, .desc = __("Architecture: Hitachi H8/300") },
{ .fixed = EM_H8_300H, .desc = __("Architecture: Hitachi H8/300H") },
{ .fixed = EM_H8S, .desc = __("Architecture: Hitachi H8S") },
{ .fixed = EM_H8_500, .desc = __("Architecture: Hitachi H8/500") },
{ .fixed = EM_IA_64, .desc = __("Architecture: Intel Merced") },
{ .fixed = EM_MIPS_X, .desc = __("Architecture: Stanford MIPS-X") },
{ .fixed = EM_COLDFIRE, .desc = __("Architecture: Motorola Coldfire") },
{ .fixed = EM_68HC12, .desc = __("Architecture: Motorola M68HC12") },
{ .fixed = EM_MMA, .desc = __("Architecture: Fujitsu MMA Multimedia Accelerator") },
{ .fixed = EM_PCP, .desc = __("Architecture: Siemens PCP") },
{ .fixed = EM_NCPU, .desc = __("Architecture: Sony nCPU embeeded RISC") },
{ .fixed = EM_NDR1, .desc = __("Architecture: Denso NDR1 microprocessor") },
{ .fixed = EM_STARCORE, .desc = __("Architecture: Motorola Start*Core processor") },
{ .fixed = EM_ME16, .desc = __("Architecture: Toyota ME16 processor") },
{ .fixed = EM_ST100, .desc = __("Architecture: STMicroelectronic ST100 processor") },
{ .fixed = EM_TINYJ, .desc = __("Architecture: Advanced Logic Corp. Tinyj emb.fam") },
{ .fixed = EM_X86_64, .desc = __("Architecture: AMD x86-64 architecture") },
{ .fixed = EM_PDSP, .desc = __("Architecture: Sony DSP Processor") },
{ .fixed = EM_FX66, .desc = __("Architecture: Siemens FX66 microcontroller") },
{ .fixed = EM_ST9PLUS, .desc = __("Architecture: STMicroelectronics ST9+ 8/16 mc") },
{ .fixed = EM_ST7, .desc = __("Architecture: STmicroelectronics ST7 8 bit mc") },
{ .fixed = EM_68HC16, .desc = __("Architecture: Motorola MC68HC16 microcontroller") },
{ .fixed = EM_68HC11, .desc = __("Architecture: Motorola MC68HC11 microcontroller") },
{ .fixed = EM_68HC08, .desc = __("Architecture: Motorola MC68HC08 microcontroller") },
{ .fixed = EM_68HC05, .desc = __("Architecture: Motorola MC68HC05 microcontroller") },
{ .fixed = EM_SVX, .desc = __("Architecture: Silicon Graphics SVx") },
{ .fixed = EM_ST19, .desc = __("Architecture: STMicroelectronics ST19 8 bit mc") },
{ .fixed = EM_VAX, .desc = __("Architecture: Digital VAX") },
{ .fixed = EM_CRIS, .desc = __("Architecture: Axis Communications 32-bit embedded processor") },
{ .fixed = EM_JAVELIN, .desc = __("Architecture: Infineon Technologies 32-bit embedded processor") },
{ .fixed = EM_FIREPATH, .desc = __("Architecture: Element 14 64-bit DSP Processor") },
{ .fixed = EM_ZSP, .desc = __("Architecture: LSI Logic 16-bit DSP Processor") },
{ .fixed = EM_MMIX, .desc = __("Architecture: Donald Knuth's educational 64-bit processor") },
{ .fixed = EM_HUANY, .desc = __("Architecture: Harvard University machine-independent object files") },
{ .fixed = EM_PRISM, .desc = __("Architecture: SiTera Prism") },
{ .fixed = EM_AVR, .desc = __("Architecture: Atmel AVR 8-bit microcontroller") },
{ .fixed = EM_FR30, .desc = __("Architecture: Fujitsu FR30") },
{ .fixed = EM_D10V, .desc = __("Architecture: Mitsubishi D10V") },
{ .fixed = EM_D30V, .desc = __("Architecture: Mitsubishi D30V") },
{ .fixed = EM_V850, .desc = __("Architecture: NEC v850") },
{ .fixed = EM_M32R, .desc = __("Architecture: Mitsubishi M32R") },
{ .fixed = EM_MN10300, .desc = __("Architecture: Matsushita MN10300") },
{ .fixed = EM_MN10200, .desc = __("Architecture: Matsushita MN10200") },
{ .fixed = EM_PJ, .desc = __("Architecture: picoJava") },
{ .fixed = EM_OPENRISC, .desc = __("Architecture: OpenRISC 32-bit embedded processor") },
{ .fixed = EM_ARC_A5, .desc = __("Architecture: ARC Cores Tangent-A5") },
{ .fixed = EM_XTENSA, .desc = __("Architecture: Tensilica Xtensa Architecture") },
{ .fixed = EM_AARCH64, .desc = __("Architecture: ARM AARCH64") },
{ .fixed = EM_TILEPRO, .desc = __("Architecture: Tilera TILEPro") },
{ .fixed = EM_MICROBLAZE, .desc = __("Architecture: Xilinx MicroBlaze") },
{ .fixed = EM_TILEGX, .desc = __("Architecture: Tilera TILE-Gx") }
};
static fmt_field_def _elf_header_base[] = {
{
.name = "e_ident[EI_MAG]",
.size = MDS_8_BITS,
.repeat = 4,
DISPLAY_RULES(IOD_HEX, IOD_CHAR, IOD_CHAR, IOD_CHAR),
PLAIN_COMMENT(__("ELF magic number"))
},
{
.name = "e_ident[EI_CLASS]",
.size = MDS_8_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_classes, __("File class: unknown"))
},
{
.name = "e_ident[EI_DATA]",
.size = MDS_8_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_data, __("Data encoding: unknown"))
},
{
.name = "e_ident[EI_VERSION]",
.size = MDS_8_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_versions, __("File version: unknown"))
},
{
.name = "e_ident[EI_OSABI]",
.size = MDS_8_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_os_abis, __("OS ABI: unknown"))
},
{
.name = "e_ident[EI_ABIVERSION]",
.size = MDS_8_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("ABI version"))
},
{
.name = "...",
.size = MDS_8_BITS,
.repeat = 7,
.is_padding = true,
PLAIN_COMMENT(__("Padding"))
},
{
.name = "e_type",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_types, __("Object file type: unkown"))
},
{
.name = "e_machine",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
SWITCH_COMMENT(_elf_machines, __("Architecture: unknown"))
},
{
.name = "e_version",
.size = MDS_32_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Object file version"))
}
};
static fmt_field_def _elf_header_offset_32[] = {
{
.name = "e_entry",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Entry point virtual address"))
},
{
.name = "e_phoff",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Program header table file offset"))
},
{
.name = "e_shoff",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Section header table file offset"))
}
};
static fmt_field_def _elf_header_offset_64[] = {
{
.name = "e_entry",
.size = MDS_64_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Entry point virtual address"))
},
{
.name = "e_phoff",
.size = MDS_64_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Program header table file offset"))
},
{
.name = "e_shoff",
.size = MDS_64_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Section header table file offset"))
}
};
static fmt_field_def _elf_header_ending[] = {
{
.name = "e_flags",
.size = MDS_32_BITS,
.repeat = 1,
PLAIN_COMMENT(__("Processor-specific flags"))
},
{
.name = "e_ehsize",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("ELF header size in bytes"))
},
{
.name = "e_phentsize",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Program header table entry size"))
},
{
.name = "e_phnum",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Program header table entry count"))
},
{
.name = "e_shentsize",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Section header table entry size"))
},
{
.name = "e_shnum",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Section header table entry count"))
},
{
.name = "e_shstrndx",
.size = MDS_16_BITS,
.repeat = 1,
DISPLAY_RULES(IOD_DEC),
PLAIN_COMMENT(__("Section header string table index"))
}
};
/******************************************************************************
* *
* Paramètres : format = description de l'exécutable à compléter. *
* info = informations à constituer en avance de phase. *
* *
* Description : Charge tous les symboles de l'en-tête ELF. *
* *
* Retour : Bilan de l'opération. *
* *
* Remarques : - *
* *
******************************************************************************/
bool annotate_elf_header(GBinFormat *format, GPreloadInfo *info)
{
bool result; /* Bilan à retourner */
const elf_header *header; /* En-tête principale */
vmpa2t pos; /* Tête de lecture des symboles*/
header = g_elf_format_get_header(G_ELF_FORMAT(format));
result = g_exe_format_translate_offset_into_vmpa(G_EXE_FORMAT(format), 0, &pos);
if (result)
result = parse_field_definitions(PARSING_DEFS(_elf_header_base), format, info, &pos, NULL);
if (result)
{
if (header->hdr32.e_ident[EI_CLASS] == ELFCLASS32)
result = parse_field_definitions(PARSING_DEFS(_elf_header_offset_32), format, info, &pos, NULL);
else if (header->hdr32.e_ident[EI_CLASS] == ELFCLASS64)
result = parse_field_definitions(PARSING_DEFS(_elf_header_offset_64), format, info, &pos, NULL);
else
result = false;
}
if (result)
result = parse_field_definitions(PARSING_DEFS(_elf_header_ending), format, info, &pos, NULL);
return result;
}
|
