/*** Start of inlined file: elfio_dump.hpp ***/ #ifndef ELFIO_DUMP_HPP #define ELFIO_DUMP_HPP #include #include #include #include #include /*** Start of inlined file: elfio.hpp ***/ #ifndef ELFIO_HPP #define ELFIO_HPP #ifdef _MSC_VER #pragma warning( push ) #pragma warning( disable : 4996 ) #pragma warning( disable : 4355 ) #pragma warning( disable : 4244 ) #endif #include #include #include #include #include #include #include #include /*** Start of inlined file: elf_types.hpp ***/ #ifndef ELFTYPES_H #define ELFTYPES_H #ifndef ELFIO_NO_OWN_TYPES #if !defined( ELFIO_NO_CSTDINT ) && !defined( ELFIO_NO_INTTYPES ) #include #else typedef unsigned char uint8_t; typedef signed char int8_t; typedef unsigned short uint16_t; typedef signed short int16_t; #ifdef _MSC_VER typedef unsigned __int32 uint32_t; typedef signed __int32 int32_t; typedef unsigned __int64 uint64_t; typedef signed __int64 int64_t; #else typedef unsigned int uint32_t; typedef signed int int32_t; typedef unsigned long long uint64_t; typedef signed long long int64_t; #endif // _MSC_VER #endif // ELFIO_NO_CSTDINT #endif // ELFIO_NO_OWN_TYPES namespace ELFIO { // Attention! Platform depended definitions. typedef uint16_t Elf_Half; typedef uint32_t Elf_Word; typedef int32_t Elf_Sword; typedef uint64_t Elf_Xword; typedef int64_t Elf_Sxword; typedef uint32_t Elf32_Addr; typedef uint32_t Elf32_Off; typedef uint64_t Elf64_Addr; typedef uint64_t Elf64_Off; #define Elf32_Half Elf_Half #define Elf64_Half Elf_Half #define Elf32_Word Elf_Word #define Elf64_Word Elf_Word #define Elf32_Sword Elf_Sword #define Elf64_Sword Elf_Sword /////////////////////// // ELF Header Constants // File type #define ET_NONE 0 #define ET_REL 1 #define ET_EXEC 2 #define ET_DYN 3 #define ET_CORE 4 #define ET_LOOS 0xFE00 #define ET_HIOS 0xFEFF #define ET_LOPROC 0xFF00 #define ET_HIPROC 0xFFFF #define EM_NONE 0 // No machine #define EM_M32 1 // AT&T WE 32100 #define EM_SPARC 2 // SUN SPARC #define EM_386 3 // Intel 80386 #define EM_68K 4 // Motorola m68k family #define EM_88K 5 // Motorola m88k family #define EM_486 6 // Intel 80486// Reserved for future use #define EM_860 7 // Intel 80860 #define EM_MIPS 8 // MIPS R3000 (officially, big-endian only) #define EM_S370 9 // IBM System/370 #define EM_MIPS_RS3_LE \ 10 // MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated #define EM_res011 11 // Reserved #define EM_res012 12 // Reserved #define EM_res013 13 // Reserved #define EM_res014 14 // Reserved #define EM_PARISC 15 // HPPA #define EM_res016 16 // Reserved #define EM_VPP550 17 // Fujitsu VPP500 #define EM_SPARC32PLUS 18 // Sun's "v8plus" #define EM_960 19 // Intel 80960 #define EM_PPC 20 // PowerPC #define EM_PPC64 21 // 64-bit PowerPC #define EM_S390 22 // IBM S/390 #define EM_SPU 23 // Sony/Toshiba/IBM SPU #define EM_res024 24 // Reserved #define EM_res025 25 // Reserved #define EM_res026 26 // Reserved #define EM_res027 27 // Reserved #define EM_res028 28 // Reserved #define EM_res029 29 // Reserved #define EM_res030 30 // Reserved #define EM_res031 31 // Reserved #define EM_res032 32 // Reserved #define EM_res033 33 // Reserved #define EM_res034 34 // Reserved #define EM_res035 35 // Reserved #define EM_V800 36 // NEC V800 series #define EM_FR20 37 // Fujitsu FR20 #define EM_RH32 38 // TRW RH32 #define EM_MCORE 39 // Motorola M*Core // May also be taken by Fujitsu MMA #define EM_RCE 39 // Old name for MCore #define EM_ARM 40 // ARM #define EM_OLD_ALPHA 41 // Digital Alpha #define EM_SH 42 // Renesas (formerly Hitachi) / SuperH SH #define EM_SPARCV9 43 // SPARC v9 64-bit #define EM_TRICORE 44 // Siemens Tricore embedded processor #define EM_ARC 45 // ARC Cores #define EM_H8_300 46 // Renesas (formerly Hitachi) H8/300 #define EM_H8_300H 47 // Renesas (formerly Hitachi) H8/300H #define EM_H8S 48 // Renesas (formerly Hitachi) H8S #define EM_H8_500 49 // Renesas (formerly Hitachi) H8/500 #define EM_IA_64 50 // Intel IA-64 Processor #define EM_MIPS_X 51 // Stanford MIPS-X #define EM_COLDFIRE 52 // Motorola Coldfire #define EM_68HC12 53 // Motorola M68HC12 #define EM_MMA 54 // Fujitsu Multimedia Accelerator #define EM_PCP 55 // Siemens PCP #define EM_NCPU 56 // Sony nCPU embedded RISC processor #define EM_NDR1 57 // Denso NDR1 microprocesspr #define EM_STARCORE 58 // Motorola Star*Core processor #define EM_ME16 59 // Toyota ME16 processor #define EM_ST100 60 // STMicroelectronics ST100 processor #define EM_TINYJ 61 // Advanced Logic Corp. TinyJ embedded processor #define EM_X86_64 62 // Advanced Micro Devices X86-64 processor #define EM_PDSP 63 // Sony DSP Processor #define EM_PDP10 64 // Digital Equipment Corp. PDP-10 #define EM_PDP11 65 // Digital Equipment Corp. PDP-11 #define EM_FX66 66 // Siemens FX66 microcontroller #define EM_ST9PLUS 67 // STMicroelectronics ST9+ 8/16 bit microcontroller #define EM_ST7 68 // STMicroelectronics ST7 8-bit microcontroller #define EM_68HC16 69 // Motorola MC68HC16 Microcontroller #define EM_68HC11 70 // Motorola MC68HC11 Microcontroller #define EM_68HC08 71 // Motorola MC68HC08 Microcontroller #define EM_68HC05 72 // Motorola MC68HC05 Microcontroller #define EM_SVX 73 // Silicon Graphics SVx #define EM_ST19 74 // STMicroelectronics ST19 8-bit cpu #define EM_VAX 75 // Digital VAX #define EM_CRIS 76 // Axis Communications 32-bit embedded processor #define EM_JAVELIN 77 // Infineon Technologies 32-bit embedded cpu #define EM_FIREPATH 78 // Element 14 64-bit DSP processor #define EM_ZSP 79 // LSI Logic's 16-bit DSP processor #define EM_MMIX 80 // Donald Knuth's educational 64-bit processor #define EM_HUANY 81 // Harvard's machine-independent format #define EM_PRISM 82 // SiTera Prism #define EM_AVR 83 // Atmel AVR 8-bit microcontroller #define EM_FR30 84 // Fujitsu FR30 #define EM_D10V 85 // Mitsubishi D10V #define EM_D30V 86 // Mitsubishi D30V #define EM_V850 87 // NEC v850 #define EM_M32R 88 // Renesas M32R (formerly Mitsubishi M32R) #define EM_MN10300 89 // Matsushita MN10300 #define EM_MN10200 90 // Matsushita MN10200 #define EM_PJ 91 // picoJava #define EM_OPENRISC 92 // OpenRISC 32-bit embedded processor #define EM_ARC_A5 93 // ARC Cores Tangent-A5 #define EM_XTENSA 94 // Tensilica Xtensa Architecture #define EM_VIDEOCORE 95 // Alphamosaic VideoCore processor #define EM_TMM_GPP 96 // Thompson Multimedia General Purpose Processor #define EM_NS32K 97 // National Semiconductor 32000 series #define EM_TPC 98 // Tenor Network TPC processor #define EM_SNP1K 99 // Trebia SNP 1000 processor #define EM_ST200 100 // STMicroelectronics ST200 microcontroller #define EM_IP2K 101 // Ubicom IP2022 micro controller #define EM_MAX 102 // MAX Processor #define EM_CR 103 // National Semiconductor CompactRISC #define EM_F2MC16 104 // Fujitsu F2MC16 #define EM_MSP430 105 // TI msp430 micro controller #define EM_BLACKFIN 106 // ADI Blackfin #define EM_SE_C33 107 // S1C33 Family of Seiko Epson processors #define EM_SEP 108 // Sharp embedded microprocessor #define EM_ARCA 109 // Arca RISC Microprocessor #define EM_UNICORE \ 110 // Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University #define EM_EXCESS 111 // eXcess: 16/32/64-bit configurable embedded CPU #define EM_DXP 112 // Icera Semiconductor Inc. Deep Execution Processor #define EM_ALTERA_NIOS2 113 // Altera Nios II soft-core processor #define EM_CRX 114 // National Semiconductor CRX #define EM_XGATE 115 // Motorola XGATE embedded processor #define EM_C166 116 // Infineon C16x/XC16x processor #define EM_M16C 117 // Renesas M16C series microprocessors #define EM_DSPIC30F \ 118 // Microchip Technology dsPIC30F Digital Signal Controller #define EM_CE 119 // Freescale Communication Engine RISC core #define EM_M32C 120 // Renesas M32C series microprocessors #define EM_res121 121 // Reserved #define EM_res122 122 // Reserved #define EM_res123 123 // Reserved #define EM_res124 124 // Reserved #define EM_res125 125 // Reserved #define EM_res126 126 // Reserved #define EM_res127 127 // Reserved #define EM_res128 128 // Reserved #define EM_res129 129 // Reserved #define EM_res130 130 // Reserved #define EM_TSK3000 131 // Altium TSK3000 core #define EM_RS08 132 // Freescale RS08 embedded processor #define EM_res133 133 // Reserved #define EM_ECOG2 134 // Cyan Technology eCOG2 microprocessor #define EM_SCORE 135 // Sunplus Score #define EM_SCORE7 135 // Sunplus S+core7 RISC processor #define EM_DSP24 136 // New Japan Radio (NJR) 24-bit DSP Processor #define EM_VIDEOCORE3 137 // Broadcom VideoCore III processor #define EM_LATTICEMICO32 138 // RISC processor for Lattice FPGA architecture #define EM_SE_C17 139 // Seiko Epson C17 family #define EM_TI_C6000 140 // Texas Instruments TMS320C6000 DSP family #define EM_TI_C2000 141 // Texas Instruments TMS320C2000 DSP family #define EM_TI_C5500 142 // Texas Instruments TMS320C55x DSP family #define EM_res143 143 // Reserved #define EM_res144 144 // Reserved #define EM_res145 145 // Reserved #define EM_res146 146 // Reserved #define EM_res147 147 // Reserved #define EM_res148 148 // Reserved #define EM_res149 149 // Reserved #define EM_res150 150 // Reserved #define EM_res151 151 // Reserved #define EM_res152 152 // Reserved #define EM_res153 153 // Reserved #define EM_res154 154 // Reserved #define EM_res155 155 // Reserved #define EM_res156 156 // Reserved #define EM_res157 157 // Reserved #define EM_res158 158 // Reserved #define EM_res159 159 // Reserved #define EM_MMDSP_PLUS 160 // STMicroelectronics 64bit VLIW Data Signal Processor #define EM_CYPRESS_M8C 161 // Cypress M8C microprocessor #define EM_R32C 162 // Renesas R32C series microprocessors #define EM_TRIMEDIA 163 // NXP Semiconductors TriMedia architecture family #define EM_QDSP6 164 // QUALCOMM DSP6 Processor #define EM_8051 165 // Intel 8051 and variants #define EM_STXP7X 166 // STMicroelectronics STxP7x family #define EM_NDS32 \ 167 // Andes Technology compact code size embedded RISC processor family #define EM_ECOG1 168 // Cyan Technology eCOG1X family #define EM_ECOG1X 168 // Cyan Technology eCOG1X family #define EM_MAXQ30 169 // Dallas Semiconductor MAXQ30 Core Micro-controllers #define EM_XIMO16 170 // New Japan Radio (NJR) 16-bit DSP Processor #define EM_MANIK 171 // M2000 Reconfigurable RISC Microprocessor #define EM_CRAYNV2 172 // Cray Inc. NV2 vector architecture #define EM_RX 173 // Renesas RX family #define EM_METAG 174 // Imagination Technologies META processor architecture #define EM_MCST_ELBRUS 175 // MCST Elbrus general purpose hardware architecture #define EM_ECOG16 176 // Cyan Technology eCOG16 family #define EM_CR16 177 // National Semiconductor CompactRISC 16-bit processor #define EM_ETPU 178 // Freescale Extended Time Processing Unit #define EM_SLE9X 179 // Infineon Technologies SLE9X core #define EM_L1OM 180 // Intel L1OM #define EM_INTEL181 181 // Reserved by Intel #define EM_INTEL182 182 // Reserved by Intel #define EM_res183 183 // Reserved by ARM #define EM_res184 184 // Reserved by ARM #define EM_AVR32 185 // Atmel Corporation 32-bit microprocessor family #define EM_STM8 186 // STMicroeletronics STM8 8-bit microcontroller #define EM_TILE64 187 // Tilera TILE64 multicore architecture family #define EM_TILEPRO 188 // Tilera TILEPro multicore architecture family #define EM_MICROBLAZE 189 // Xilinx MicroBlaze 32-bit RISC soft processor core #define EM_CUDA 190 // NVIDIA CUDA architecture #define EM_TILEGX 191 // Tilera TILE-Gx multicore architecture family #define EM_CLOUDSHIELD 192 // CloudShield architecture family #define EM_COREA_1ST 193 // KIPO-KAIST Core-A 1st generation processor family #define EM_COREA_2ND 194 // KIPO-KAIST Core-A 2nd generation processor family #define EM_ARC_COMPACT2 195 // Synopsys ARCompact V2 #define EM_OPEN8 196 // Open8 8-bit RISC soft processor core #define EM_RL78 197 // Renesas RL78 family #define EM_VIDEOCORE5 198 // Broadcom VideoCore V processor #define EM_78KOR 199 // Renesas 78KOR family #define EM_56800EX 200 // Freescale 56800EX Digital Signal Controller (DSC) #define EM_BA1 201 // Beyond BA1 CPU architecture #define EM_BA2 202 // Beyond BA2 CPU architecture #define EM_XCORE 203 // XMOS xCORE processor family #define EM_MCHP_PIC 204 // Microchip 8-bit PIC(r) family #define EM_INTEL205 205 // Reserved by Intel #define EM_INTEL206 206 // Reserved by Intel #define EM_INTEL207 207 // Reserved by Intel #define EM_INTEL208 208 // Reserved by Intel #define EM_INTEL209 209 // Reserved by Intel #define EM_KM32 210 // KM211 KM32 32-bit processor #define EM_KMX32 211 // KM211 KMX32 32-bit processor #define EM_KMX16 212 // KM211 KMX16 16-bit processor #define EM_KMX8 213 // KM211 KMX8 8-bit processor #define EM_KVARC 214 // KM211 KVARC processor #define EM_CDP 215 // Paneve CDP architecture family #define EM_COGE 216 // Cognitive Smart Memory Processor #define EM_COOL 217 // iCelero CoolEngine #define EM_NORC 218 // Nanoradio Optimized RISC #define EM_CSR_KALIMBA 219 // CSR Kalimba architecture family #define EM_Z80 220 // Zilog Z80 #define EM_VISIUM 221 // Controls and Data Services VISIUMcore processor #define EM_FT32 222 // FTDI Chip FT32 high performance 32-bit RISC architecture #define EM_MOXIE 223 // Moxie processor family #define EM_AMDGPU 224 // AMD GPU architecture #define EM_RISCV 243 // RISC-V #define EM_LANAI 244 // Lanai processor #define EM_CEVA 245 // CEVA Processor Architecture Family #define EM_CEVA_X2 246 // CEVA X2 Processor Family #define EM_BPF 247 // Linux BPF – in-kernel virtual machine #define EM_GRAPHCORE_IPU 248 // Graphcore Intelligent Processing Unit #define EM_IMG1 249 // Imagination Technologies #define EM_NFP 250 // Netronome Flow Processor (P) #define EM_CSKY 252 // C-SKY processor family // File version #define EV_NONE 0 #define EV_CURRENT 1 // Identification index #define EI_MAG0 0 #define EI_MAG1 1 #define EI_MAG2 2 #define EI_MAG3 3 #define EI_CLASS 4 #define EI_DATA 5 #define EI_VERSION 6 #define EI_OSABI 7 #define EI_ABIVERSION 8 #define EI_PAD 9 #define EI_NIDENT 16 // Magic number #define ELFMAG0 0x7F #define ELFMAG1 'E' #define ELFMAG2 'L' #define ELFMAG3 'F' // File class #define ELFCLASSNONE 0 #define ELFCLASS32 1 #define ELFCLASS64 2 // Encoding #define ELFDATANONE 0 #define ELFDATA2LSB 1 #define ELFDATA2MSB 2 // OS extensions #define ELFOSABI_NONE 0 // No extensions or unspecified #define ELFOSABI_HPUX 1 // Hewlett-Packard HP-UX #define ELFOSABI_NETBSD 2 // NetBSD #define ELFOSABI_LINUX 3 // Linux #define ELFOSABI_SOLARIS 6 // Sun Solaris #define ELFOSABI_AIX 7 // AIX #define ELFOSABI_IRIX 8 // IRIX #define ELFOSABI_FREEBSD 9 // FreeBSD #define ELFOSABI_TRU64 10 // Compaq TRU64 UNIX #define ELFOSABI_MODESTO 11 // Novell Modesto #define ELFOSABI_OPENBSD 12 // Open BSD #define ELFOSABI_OPENVMS 13 // Open VMS #define ELFOSABI_NSK 14 // Hewlett-Packard Non-Stop Kernel #define ELFOSABI_AROS 15 // Amiga Research OS #define ELFOSABI_FENIXOS 16 // The FenixOS highly scalable multi-core OS // 64-255 Architecture-specific value range #define ELFOSABI_AMDGPU_HSA \ 64 // AMDGPU OS for HSA compatible compute // kernels. #define ELFOSABI_AMDGPU_PAL \ 65 // AMDGPU OS for AMD PAL compatible graphics // shaders and compute kernels. #define ELFOSABI_AMDGPU_MESA3D \ 66 // AMDGPU OS for Mesa3D compatible graphics // shaders and compute kernels. // AMDGPU specific e_flags #define EF_AMDGPU_MACH 0x0ff // AMDGPU processor selection mask. #define EF_AMDGPU_XNACK \ 0x100 // Indicates if the XNACK target feature is // enabled for all code contained in the ELF. // AMDGPU processors #define EF_AMDGPU_MACH_NONE 0x000 // Unspecified processor. #define EF_AMDGPU_MACH_R600_R600 0x001 #define EF_AMDGPU_MACH_R600_R630 0x002 #define EF_AMDGPU_MACH_R600_RS880 0x003 #define EF_AMDGPU_MACH_R600_RV670 0x004 #define EF_AMDGPU_MACH_R600_RV710 0x005 #define EF_AMDGPU_MACH_R600_RV730 0x006 #define EF_AMDGPU_MACH_R600_RV770 0x007 #define EF_AMDGPU_MACH_R600_CEDAR 0x008 #define EF_AMDGPU_MACH_R600_CYPRESS 0x009 #define EF_AMDGPU_MACH_R600_JUNIPER 0x00a #define EF_AMDGPU_MACH_R600_REDWOOD 0x00b #define EF_AMDGPU_MACH_R600_SUMO 0x00c #define EF_AMDGPU_MACH_R600_BARTS 0x00d #define EF_AMDGPU_MACH_R600_CAICOS 0x00e #define EF_AMDGPU_MACH_R600_CAYMAN 0x00f #define EF_AMDGPU_MACH_R600_TURKS 0x010 #define EF_AMDGPU_MACH_R600_RESERVED_FIRST 0x011 #define EF_AMDGPU_MACH_R600_RESERVED_LAST 0x01f #define EF_AMDGPU_MACH_R600_FIRST EF_AMDGPU_MACH_R600_R600 #define EF_AMDGPU_MACH_R600_LAST EF_AMDGPU_MACH_R600_TURKS #define EF_AMDGPU_MACH_AMDGCN_GFX600 0x020 #define EF_AMDGPU_MACH_AMDGCN_GFX601 0x021 #define EF_AMDGPU_MACH_AMDGCN_GFX700 0x022 #define EF_AMDGPU_MACH_AMDGCN_GFX701 0x023 #define EF_AMDGPU_MACH_AMDGCN_GFX702 0x024 #define EF_AMDGPU_MACH_AMDGCN_GFX703 0x025 #define EF_AMDGPU_MACH_AMDGCN_GFX704 0x026 #define EF_AMDGPU_MACH_AMDGCN_GFX801 0x028 #define EF_AMDGPU_MACH_AMDGCN_GFX802 0x029 #define EF_AMDGPU_MACH_AMDGCN_GFX803 0x02a #define EF_AMDGPU_MACH_AMDGCN_GFX810 0x02b #define EF_AMDGPU_MACH_AMDGCN_GFX900 0x02c #define EF_AMDGPU_MACH_AMDGCN_GFX902 0x02d #define EF_AMDGPU_MACH_AMDGCN_GFX904 0x02e #define EF_AMDGPU_MACH_AMDGCN_GFX906 0x02f #define EF_AMDGPU_MACH_AMDGCN_RESERVED0 0x027 #define EF_AMDGPU_MACH_AMDGCN_RESERVED1 0x030 #define EF_AMDGPU_MACH_AMDGCN_FIRST EF_AMDGPU_MACH_AMDGCN_GFX600 #define EF_AMDGPU_MACH_AMDGCN_LAST EF_AMDGPU_MACH_AMDGCN_GFX906 ///////////////////// // Sections constants // Section indexes #define SHN_UNDEF 0 #define SHN_LORESERVE 0xFF00 #define SHN_LOPROC 0xFF00 #define SHN_HIPROC 0xFF1F #define SHN_LOOS 0xFF20 #define SHN_HIOS 0xFF3F #define SHN_ABS 0xFFF1 #define SHN_COMMON 0xFFF2 #define SHN_XINDEX 0xFFFF #define SHN_HIRESERVE 0xFFFF // Section types #define SHT_NULL 0 #define SHT_PROGBITS 1 #define SHT_SYMTAB 2 #define SHT_STRTAB 3 #define SHT_RELA 4 #define SHT_HASH 5 #define SHT_DYNAMIC 6 #define SHT_NOTE 7 #define SHT_NOBITS 8 #define SHT_REL 9 #define SHT_SHLIB 10 #define SHT_DYNSYM 11 #define SHT_INIT_ARRAY 14 #define SHT_FINI_ARRAY 15 #define SHT_PREINIT_ARRAY 16 #define SHT_GROUP 17 #define SHT_SYMTAB_SHNDX 18 #define SHT_LOOS 0x60000000 #define SHT_HIOS 0x6fffffff #define SHT_LOPROC 0x70000000 #define SHT_HIPROC 0x7FFFFFFF #define SHT_LOUSER 0x80000000 #define SHT_HIUSER 0xFFFFFFFF // Section attribute flags #define SHF_WRITE 0x1 #define SHF_ALLOC 0x2 #define SHF_EXECINSTR 0x4 #define SHF_MERGE 0x10 #define SHF_STRINGS 0x20 #define SHF_INFO_LINK 0x40 #define SHF_LINK_ORDER 0x80 #define SHF_OS_NONCONFORMING 0x100 #define SHF_GROUP 0x200 #define SHF_TLS 0x400 #define SHF_MASKOS 0x0ff00000 #define SHF_MASKPROC 0xF0000000 // Section group flags #define GRP_COMDAT 0x1 #define GRP_MASKOS 0x0ff00000 #define GRP_MASKPROC 0xf0000000 // Symbol binding #define STB_LOCAL 0 #define STB_GLOBAL 1 #define STB_WEAK 2 #define STB_LOOS 10 #define STB_HIOS 12 #define STB_MULTIDEF 13 #define STB_LOPROC 13 #define STB_HIPROC 15 // Note types #define NT_AMDGPU_METADATA 1 #define NT_AMD_AMDGPU_HSA_METADATA 10 #define NT_AMD_AMDGPU_ISA 11 #define NT_AMD_AMDGPU_PAL_METADATA 12 // Symbol types #define STT_NOTYPE 0 #define STT_OBJECT 1 #define STT_FUNC 2 #define STT_SECTION 3 #define STT_FILE 4 #define STT_COMMON 5 #define STT_TLS 6 #define STT_LOOS 10 #define STT_AMDGPU_HSA_KERNEL 10 #define STT_HIOS 12 #define STT_LOPROC 13 #define STT_HIPROC 15 // Symbol visibility #define STV_DEFAULT 0 #define STV_INTERNAL 1 #define STV_HIDDEN 2 #define STV_PROTECTED 3 // Undefined name #define STN_UNDEF 0 // Relocation types #define R_386_NONE 0 #define R_X86_64_NONE 0 #define R_AMDGPU_NONE 0 #define R_386_32 1 #define R_X86_64_64 1 #define R_AMDGPU_ABS32_LO 1 #define R_386_PC32 2 #define R_X86_64_PC32 2 #define R_AMDGPU_ABS32_HI 2 #define R_386_GOT32 3 #define R_X86_64_GOT32 3 #define R_AMDGPU_ABS64 3 #define R_386_PLT32 4 #define R_X86_64_PLT32 4 #define R_AMDGPU_REL32 4 #define R_386_COPY 5 #define R_X86_64_COPY 5 #define R_AMDGPU_REL64 5 #define R_386_GLOB_DAT 6 #define R_X86_64_GLOB_DAT 6 #define R_AMDGPU_ABS32 6 #define R_386_JMP_SLOT 7 #define R_X86_64_JUMP_SLOT 7 #define R_AMDGPU_GOTPCREL 7 #define R_386_RELATIVE 8 #define R_X86_64_RELATIVE 8 #define R_AMDGPU_GOTPCREL32_LO 8 #define R_386_GOTOFF 9 #define R_X86_64_GOTPCREL 9 #define R_AMDGPU_GOTPCREL32_HI 9 #define R_386_GOTPC 10 #define R_X86_64_32 10 #define R_AMDGPU_REL32_LO 10 #define R_386_32PLT 11 #define R_X86_64_32S 11 #define R_AMDGPU_REL32_HI 11 #define R_X86_64_16 12 #define R_X86_64_PC16 13 #define R_AMDGPU_RELATIVE64 13 #define R_386_TLS_TPOFF 14 #define R_X86_64_8 14 #define R_386_TLS_IE 15 #define R_X86_64_PC8 15 #define R_386_TLS_GOTIE 16 #define R_X86_64_DTPMOD64 16 #define R_386_TLS_LE 17 #define R_X86_64_DTPOFF64 17 #define R_386_TLS_GD 18 #define R_X86_64_TPOFF64 18 #define R_386_TLS_LDM 19 #define R_X86_64_TLSGD 19 #define R_386_16 20 #define R_X86_64_TLSLD 20 #define R_386_PC16 21 #define R_X86_64_DTPOFF32 21 #define R_386_8 22 #define R_X86_64_GOTTPOFF 22 #define R_386_PC8 23 #define R_X86_64_TPOFF32 23 #define R_386_TLS_GD_32 24 #define R_X86_64_PC64 24 #define R_386_TLS_GD_PUSH 25 #define R_X86_64_GOTOFF64 25 #define R_386_TLS_GD_CALL 26 #define R_X86_64_GOTPC32 26 #define R_386_TLS_GD_POP 27 #define R_X86_64_GOT64 27 #define R_386_TLS_LDM_32 28 #define R_X86_64_GOTPCREL64 28 #define R_386_TLS_LDM_PUSH 29 #define R_X86_64_GOTPC64 29 #define R_386_TLS_LDM_CALL 30 #define R_X86_64_GOTPLT64 30 #define R_386_TLS_LDM_POP 31 #define R_X86_64_PLTOFF64 31 #define R_386_TLS_LDO_32 32 #define R_386_TLS_IE_32 33 #define R_386_TLS_LE_32 34 #define R_X86_64_GOTPC32_TLSDESC 34 #define R_386_TLS_DTPMOD32 35 #define R_X86_64_TLSDESC_CALL 35 #define R_386_TLS_DTPOFF32 36 #define R_X86_64_TLSDESC 36 #define R_386_TLS_TPOFF32 37 #define R_X86_64_IRELATIVE 37 #define R_386_SIZE32 38 #define R_386_TLS_GOTDESC 39 #define R_386_TLS_DESC_CALL 40 #define R_386_TLS_DESC 41 #define R_386_IRELATIVE 42 #define R_386_GOT32X 43 #define R_X86_64_GNU_VTINHERIT 250 #define R_X86_64_GNU_VTENTRY 251 // Segment types #define PT_NULL 0 #define PT_LOAD 1 #define PT_DYNAMIC 2 #define PT_INTERP 3 #define PT_NOTE 4 #define PT_SHLIB 5 #define PT_PHDR 6 #define PT_TLS 7 #define PT_LOOS 0x60000000 #define PT_HIOS 0x6fffffff #define PT_LOPROC 0x70000000 #define PT_HIPROC 0x7FFFFFFF // Segment flags #define PF_X 1 // Execute #define PF_W 2 // Write #define PF_R 4 // Read #define PF_MASKOS 0x0ff00000 // Unspecified #define PF_MASKPROC 0xf0000000 // Unspecified // Dynamic Array Tags #define DT_NULL 0 #define DT_NEEDED 1 #define DT_PLTRELSZ 2 #define DT_PLTGOT 3 #define DT_HASH 4 #define DT_STRTAB 5 #define DT_SYMTAB 6 #define DT_RELA 7 #define DT_RELASZ 8 #define DT_RELAENT 9 #define DT_STRSZ 10 #define DT_SYMENT 11 #define DT_INIT 12 #define DT_FINI 13 #define DT_SONAME 14 #define DT_RPATH 15 #define DT_SYMBOLIC 16 #define DT_REL 17 #define DT_RELSZ 18 #define DT_RELENT 19 #define DT_PLTREL 20 #define DT_DEBUG 21 #define DT_TEXTREL 22 #define DT_JMPREL 23 #define DT_BIND_NOW 24 #define DT_INIT_ARRAY 25 #define DT_FINI_ARRAY 26 #define DT_INIT_ARRAYSZ 27 #define DT_FINI_ARRAYSZ 28 #define DT_RUNPATH 29 #define DT_FLAGS 30 #define DT_ENCODING 32 #define DT_PREINIT_ARRAY 32 #define DT_PREINIT_ARRAYSZ 33 #define DT_MAXPOSTAGS 34 #define DT_LOOS 0x6000000D #define DT_HIOS 0x6ffff000 #define DT_LOPROC 0x70000000 #define DT_HIPROC 0x7FFFFFFF // DT_FLAGS values #define DF_ORIGIN 0x1 #define DF_SYMBOLIC 0x2 #define DF_TEXTREL 0x4 #define DF_BIND_NOW 0x8 #define DF_STATIC_TLS 0x10 // ELF file header struct Elf32_Ehdr { unsigned char e_ident[EI_NIDENT]; Elf_Half e_type; Elf_Half e_machine; Elf_Word e_version; Elf32_Addr e_entry; Elf32_Off e_phoff; Elf32_Off e_shoff; Elf_Word e_flags; Elf_Half e_ehsize; Elf_Half e_phentsize; Elf_Half e_phnum; Elf_Half e_shentsize; Elf_Half e_shnum; Elf_Half e_shstrndx; }; struct Elf64_Ehdr { unsigned char e_ident[EI_NIDENT]; Elf_Half e_type; Elf_Half e_machine; Elf_Word e_version; Elf64_Addr e_entry; Elf64_Off e_phoff; Elf64_Off e_shoff; Elf_Word e_flags; Elf_Half e_ehsize; Elf_Half e_phentsize; Elf_Half e_phnum; Elf_Half e_shentsize; Elf_Half e_shnum; Elf_Half e_shstrndx; }; // Section header struct Elf32_Shdr { Elf_Word sh_name; Elf_Word sh_type; Elf_Word sh_flags; Elf32_Addr sh_addr; Elf32_Off sh_offset; Elf_Word sh_size; Elf_Word sh_link; Elf_Word sh_info; Elf_Word sh_addralign; Elf_Word sh_entsize; }; struct Elf64_Shdr { Elf_Word sh_name; Elf_Word sh_type; Elf_Xword sh_flags; Elf64_Addr sh_addr; Elf64_Off sh_offset; Elf_Xword sh_size; Elf_Word sh_link; Elf_Word sh_info; Elf_Xword sh_addralign; Elf_Xword sh_entsize; }; // Segment header struct Elf32_Phdr { Elf_Word p_type; Elf32_Off p_offset; Elf32_Addr p_vaddr; Elf32_Addr p_paddr; Elf_Word p_filesz; Elf_Word p_memsz; Elf_Word p_flags; Elf_Word p_align; }; struct Elf64_Phdr { Elf_Word p_type; Elf_Word p_flags; Elf64_Off p_offset; Elf64_Addr p_vaddr; Elf64_Addr p_paddr; Elf_Xword p_filesz; Elf_Xword p_memsz; Elf_Xword p_align; }; // Symbol table entry struct Elf32_Sym { Elf_Word st_name; Elf32_Addr st_value; Elf_Word st_size; unsigned char st_info; unsigned char st_other; Elf_Half st_shndx; }; struct Elf64_Sym { Elf_Word st_name; unsigned char st_info; unsigned char st_other; Elf_Half st_shndx; Elf64_Addr st_value; Elf_Xword st_size; }; #define ELF_ST_BIND( i ) ( ( i ) >> 4 ) #define ELF_ST_TYPE( i ) ( (i)&0xf ) #define ELF_ST_INFO( b, t ) ( ( ( b ) << 4 ) + ( (t)&0xf ) ) #define ELF_ST_VISIBILITY( o ) ( (o)&0x3 ) // Relocation entries struct Elf32_Rel { Elf32_Addr r_offset; Elf_Word r_info; }; struct Elf32_Rela { Elf32_Addr r_offset; Elf_Word r_info; Elf_Sword r_addend; }; struct Elf64_Rel { Elf64_Addr r_offset; Elf_Xword r_info; }; struct Elf64_Rela { Elf64_Addr r_offset; Elf_Xword r_info; Elf_Sxword r_addend; }; #define ELF32_R_SYM( i ) ( ( i ) >> 8 ) #define ELF32_R_TYPE( i ) ( (unsigned char)( i ) ) #define ELF32_R_INFO( s, t ) ( ( ( s ) << 8 ) + (unsigned char)( t ) ) #define ELF64_R_SYM( i ) ( ( i ) >> 32 ) #define ELF64_R_TYPE( i ) ( (i)&0xffffffffL ) #define ELF64_R_INFO( s, t ) \ ( ( ( ( int64_t )( s ) ) << 32 ) + ( (t)&0xffffffffL ) ) // Dynamic structure struct Elf32_Dyn { Elf_Sword d_tag; union { Elf_Word d_val; Elf32_Addr d_ptr; } d_un; }; struct Elf64_Dyn { Elf_Sxword d_tag; union { Elf_Xword d_val; Elf64_Addr d_ptr; } d_un; }; } // namespace ELFIO #endif // ELFTYPES_H /*** End of inlined file: elf_types.hpp ***/ /*** Start of inlined file: elfio_version.hpp ***/ #define ELFIO_VERSION "3.8" /*** End of inlined file: elfio_version.hpp ***/ /*** Start of inlined file: elfio_utils.hpp ***/ #ifndef ELFIO_UTILS_HPP #define ELFIO_UTILS_HPP #define ELFIO_GET_ACCESS( TYPE, NAME, FIELD ) \ TYPE get_##NAME() const { return ( *convertor )( FIELD ); } #define ELFIO_SET_ACCESS( TYPE, NAME, FIELD ) \ void set_##NAME( TYPE value ) \ { \ FIELD = value; \ FIELD = ( *convertor )( FIELD ); \ } #define ELFIO_GET_SET_ACCESS( TYPE, NAME, FIELD ) \ TYPE get_##NAME() const { return ( *convertor )( FIELD ); } \ void set_##NAME( TYPE value ) \ { \ FIELD = value; \ FIELD = ( *convertor )( FIELD ); \ } #define ELFIO_GET_ACCESS_DECL( TYPE, NAME ) virtual TYPE get_##NAME() const = 0 #define ELFIO_SET_ACCESS_DECL( TYPE, NAME ) \ virtual void set_##NAME( TYPE value ) = 0 #define ELFIO_GET_SET_ACCESS_DECL( TYPE, NAME ) \ virtual TYPE get_##NAME() const = 0; \ virtual void set_##NAME( TYPE value ) = 0 namespace ELFIO { //------------------------------------------------------------------------------ class endianess_convertor { public: //------------------------------------------------------------------------------ endianess_convertor() { need_conversion = false; } //------------------------------------------------------------------------------ void setup( unsigned char elf_file_encoding ) { need_conversion = ( elf_file_encoding != get_host_encoding() ); } //------------------------------------------------------------------------------ uint64_t operator()( uint64_t value ) const { if ( !need_conversion ) { return value; } value = ( ( value & 0x00000000000000FFull ) << 56 ) | ( ( value & 0x000000000000FF00ull ) << 40 ) | ( ( value & 0x0000000000FF0000ull ) << 24 ) | ( ( value & 0x00000000FF000000ull ) << 8 ) | ( ( value & 0x000000FF00000000ull ) >> 8 ) | ( ( value & 0x0000FF0000000000ull ) >> 24 ) | ( ( value & 0x00FF000000000000ull ) >> 40 ) | ( ( value & 0xFF00000000000000ull ) >> 56 ); return value; } //------------------------------------------------------------------------------ int64_t operator()( int64_t value ) const { if ( !need_conversion ) { return value; } return ( int64_t )( *this )( (uint64_t)value ); } //------------------------------------------------------------------------------ uint32_t operator()( uint32_t value ) const { if ( !need_conversion ) { return value; } value = ( ( value & 0x000000FF ) << 24 ) | ( ( value & 0x0000FF00 ) << 8 ) | ( ( value & 0x00FF0000 ) >> 8 ) | ( ( value & 0xFF000000 ) >> 24 ); return value; } //------------------------------------------------------------------------------ int32_t operator()( int32_t value ) const { if ( !need_conversion ) { return value; } return ( int32_t )( *this )( (uint32_t)value ); } //------------------------------------------------------------------------------ uint16_t operator()( uint16_t value ) const { if ( !need_conversion ) { return value; } value = ( ( value & 0x00FF ) << 8 ) | ( ( value & 0xFF00 ) >> 8 ); return value; } //------------------------------------------------------------------------------ int16_t operator()( int16_t value ) const { if ( !need_conversion ) { return value; } return ( int16_t )( *this )( (uint16_t)value ); } //------------------------------------------------------------------------------ int8_t operator()( int8_t value ) const { return value; } //------------------------------------------------------------------------------ uint8_t operator()( uint8_t value ) const { return value; } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ unsigned char get_host_encoding() const { static const int tmp = 1; if ( 1 == *(const char*)&tmp ) { return ELFDATA2LSB; } else { return ELFDATA2MSB; } } //------------------------------------------------------------------------------ private: bool need_conversion; }; //------------------------------------------------------------------------------ inline uint32_t elf_hash( const unsigned char* name ) { uint32_t h = 0, g; while ( *name ) { h = ( h << 4 ) + *name++; g = h & 0xf0000000; if ( g != 0 ) h ^= g >> 24; h &= ~g; } return h; } } // namespace ELFIO #endif // ELFIO_UTILS_HPP /*** End of inlined file: elfio_utils.hpp ***/ /*** Start of inlined file: elfio_header.hpp ***/ #ifndef ELF_HEADER_HPP #define ELF_HEADER_HPP #include namespace ELFIO { class elf_header { public: virtual ~elf_header(){}; virtual bool load( std::istream& stream ) = 0; virtual bool save( std::ostream& stream ) const = 0; // ELF header functions ELFIO_GET_ACCESS_DECL( unsigned char, class ); ELFIO_GET_ACCESS_DECL( unsigned char, elf_version ); ELFIO_GET_ACCESS_DECL( unsigned char, encoding ); ELFIO_GET_ACCESS_DECL( Elf_Half, header_size ); ELFIO_GET_ACCESS_DECL( Elf_Half, section_entry_size ); ELFIO_GET_ACCESS_DECL( Elf_Half, segment_entry_size ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, version ); ELFIO_GET_SET_ACCESS_DECL( unsigned char, os_abi ); ELFIO_GET_SET_ACCESS_DECL( unsigned char, abi_version ); ELFIO_GET_SET_ACCESS_DECL( Elf_Half, type ); ELFIO_GET_SET_ACCESS_DECL( Elf_Half, machine ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, flags ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Addr, entry ); ELFIO_GET_SET_ACCESS_DECL( Elf_Half, sections_num ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Off, sections_offset ); ELFIO_GET_SET_ACCESS_DECL( Elf_Half, segments_num ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Off, segments_offset ); ELFIO_GET_SET_ACCESS_DECL( Elf_Half, section_name_str_index ); }; template struct elf_header_impl_types; template <> struct elf_header_impl_types { typedef Elf32_Phdr Phdr_type; typedef Elf32_Shdr Shdr_type; static const unsigned char file_class = ELFCLASS32; }; template <> struct elf_header_impl_types { typedef Elf64_Phdr Phdr_type; typedef Elf64_Shdr Shdr_type; static const unsigned char file_class = ELFCLASS64; }; template class elf_header_impl : public elf_header { public: //------------------------------------------------------------------------------ elf_header_impl( endianess_convertor* convertor_, unsigned char encoding ) { convertor = convertor_; std::fill_n( reinterpret_cast( &header ), sizeof( header ), '\0' ); header.e_ident[EI_MAG0] = ELFMAG0; header.e_ident[EI_MAG1] = ELFMAG1; header.e_ident[EI_MAG2] = ELFMAG2; header.e_ident[EI_MAG3] = ELFMAG3; header.e_ident[EI_CLASS] = elf_header_impl_types::file_class; header.e_ident[EI_DATA] = encoding; header.e_ident[EI_VERSION] = EV_CURRENT; header.e_version = ( *convertor )( (Elf_Word)EV_CURRENT ); header.e_ehsize = ( sizeof( header ) ); header.e_ehsize = ( *convertor )( header.e_ehsize ); header.e_shstrndx = ( *convertor )( (Elf_Half)1 ); header.e_phentsize = sizeof( typename elf_header_impl_types::Phdr_type ); header.e_shentsize = sizeof( typename elf_header_impl_types::Shdr_type ); header.e_phentsize = ( *convertor )( header.e_phentsize ); header.e_shentsize = ( *convertor )( header.e_shentsize ); } //------------------------------------------------------------------------------ bool load( std::istream& stream ) { stream.seekg( 0 ); stream.read( reinterpret_cast( &header ), sizeof( header ) ); return ( stream.gcount() == sizeof( header ) ); } //------------------------------------------------------------------------------ bool save( std::ostream& stream ) const { stream.seekp( 0 ); stream.write( reinterpret_cast( &header ), sizeof( header ) ); return stream.good(); } //------------------------------------------------------------------------------ // ELF header functions ELFIO_GET_ACCESS( unsigned char, class, header.e_ident[EI_CLASS] ); ELFIO_GET_ACCESS( unsigned char, elf_version, header.e_ident[EI_VERSION] ); ELFIO_GET_ACCESS( unsigned char, encoding, header.e_ident[EI_DATA] ); ELFIO_GET_ACCESS( Elf_Half, header_size, header.e_ehsize ); ELFIO_GET_ACCESS( Elf_Half, section_entry_size, header.e_shentsize ); ELFIO_GET_ACCESS( Elf_Half, segment_entry_size, header.e_phentsize ); ELFIO_GET_SET_ACCESS( Elf_Word, version, header.e_version ); ELFIO_GET_SET_ACCESS( unsigned char, os_abi, header.e_ident[EI_OSABI] ); ELFIO_GET_SET_ACCESS( unsigned char, abi_version, header.e_ident[EI_ABIVERSION] ); ELFIO_GET_SET_ACCESS( Elf_Half, type, header.e_type ); ELFIO_GET_SET_ACCESS( Elf_Half, machine, header.e_machine ); ELFIO_GET_SET_ACCESS( Elf_Word, flags, header.e_flags ); ELFIO_GET_SET_ACCESS( Elf_Half, section_name_str_index, header.e_shstrndx ); ELFIO_GET_SET_ACCESS( Elf64_Addr, entry, header.e_entry ); ELFIO_GET_SET_ACCESS( Elf_Half, sections_num, header.e_shnum ); ELFIO_GET_SET_ACCESS( Elf64_Off, sections_offset, header.e_shoff ); ELFIO_GET_SET_ACCESS( Elf_Half, segments_num, header.e_phnum ); ELFIO_GET_SET_ACCESS( Elf64_Off, segments_offset, header.e_phoff ); private: T header; endianess_convertor* convertor; }; } // namespace ELFIO #endif // ELF_HEADER_HPP /*** End of inlined file: elfio_header.hpp ***/ /*** Start of inlined file: elfio_section.hpp ***/ #ifndef ELFIO_SECTION_HPP #define ELFIO_SECTION_HPP #include #include #include namespace ELFIO { class section { friend class elfio; public: virtual ~section(){}; ELFIO_GET_ACCESS_DECL( Elf_Half, index ); ELFIO_GET_SET_ACCESS_DECL( std::string, name ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, type ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, flags ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, info ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, link ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, addr_align ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, entry_size ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Addr, address ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, size ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, name_string_offset ); ELFIO_GET_ACCESS_DECL( Elf64_Off, offset ); virtual const char* get_data() const = 0; virtual void set_data( const char* pData, Elf_Word size ) = 0; virtual void set_data( const std::string& data ) = 0; virtual void append_data( const char* pData, Elf_Word size ) = 0; virtual void append_data( const std::string& data ) = 0; virtual size_t get_stream_size() const = 0; virtual void set_stream_size( size_t value ) = 0; protected: ELFIO_SET_ACCESS_DECL( Elf64_Off, offset ); ELFIO_SET_ACCESS_DECL( Elf_Half, index ); virtual void load( std::istream& stream, std::streampos header_offset ) = 0; virtual void save( std::ostream& stream, std::streampos header_offset, std::streampos data_offset ) = 0; virtual bool is_address_initialized() const = 0; }; template class section_impl : public section { public: //------------------------------------------------------------------------------ section_impl( const endianess_convertor* convertor_ ) : convertor( convertor_ ) { std::fill_n( reinterpret_cast( &header ), sizeof( header ), '\0' ); is_address_set = false; data = 0; data_size = 0; index = 0; stream_size = 0; } //------------------------------------------------------------------------------ ~section_impl() { delete[] data; } //------------------------------------------------------------------------------ // Section info functions ELFIO_GET_SET_ACCESS( Elf_Word, type, header.sh_type ); ELFIO_GET_SET_ACCESS( Elf_Xword, flags, header.sh_flags ); ELFIO_GET_SET_ACCESS( Elf_Xword, size, header.sh_size ); ELFIO_GET_SET_ACCESS( Elf_Word, link, header.sh_link ); ELFIO_GET_SET_ACCESS( Elf_Word, info, header.sh_info ); ELFIO_GET_SET_ACCESS( Elf_Xword, addr_align, header.sh_addralign ); ELFIO_GET_SET_ACCESS( Elf_Xword, entry_size, header.sh_entsize ); ELFIO_GET_SET_ACCESS( Elf_Word, name_string_offset, header.sh_name ); ELFIO_GET_ACCESS( Elf64_Addr, address, header.sh_addr ); //------------------------------------------------------------------------------ Elf_Half get_index() const { return index; } //------------------------------------------------------------------------------ std::string get_name() const { return name; } //------------------------------------------------------------------------------ void set_name( std::string name_ ) { name = name_; } //------------------------------------------------------------------------------ void set_address( Elf64_Addr value ) { header.sh_addr = value; header.sh_addr = ( *convertor )( header.sh_addr ); is_address_set = true; } //------------------------------------------------------------------------------ bool is_address_initialized() const { return is_address_set; } //------------------------------------------------------------------------------ const char* get_data() const { return data; } //------------------------------------------------------------------------------ void set_data( const char* raw_data, Elf_Word size ) { if ( get_type() != SHT_NOBITS ) { delete[] data; data = new ( std::nothrow ) char[size]; if ( 0 != data && 0 != raw_data ) { data_size = size; std::copy( raw_data, raw_data + size, data ); } else { data_size = 0; } } set_size( data_size ); } //------------------------------------------------------------------------------ void set_data( const std::string& str_data ) { return set_data( str_data.c_str(), (Elf_Word)str_data.size() ); } //------------------------------------------------------------------------------ void append_data( const char* raw_data, Elf_Word size ) { if ( get_type() != SHT_NOBITS ) { if ( get_size() + size < data_size ) { std::copy( raw_data, raw_data + size, data + get_size() ); } else { data_size = 2 * ( data_size + size ); char* new_data = new ( std::nothrow ) char[data_size]; if ( 0 != new_data ) { std::copy( data, data + get_size(), new_data ); std::copy( raw_data, raw_data + size, new_data + get_size() ); delete[] data; data = new_data; } else { size = 0; } } set_size( get_size() + size ); } } //------------------------------------------------------------------------------ void append_data( const std::string& str_data ) { return append_data( str_data.c_str(), (Elf_Word)str_data.size() ); } //------------------------------------------------------------------------------ protected: //------------------------------------------------------------------------------ ELFIO_GET_SET_ACCESS( Elf64_Off, offset, header.sh_offset ); //------------------------------------------------------------------------------ void set_index( Elf_Half value ) { index = value; } //------------------------------------------------------------------------------ void load( std::istream& stream, std::streampos header_offset ) { std::fill_n( reinterpret_cast( &header ), sizeof( header ), '\0' ); stream.seekg( 0, stream.end ); set_stream_size( stream.tellg() ); stream.seekg( header_offset ); stream.read( reinterpret_cast( &header ), sizeof( header ) ); Elf_Xword size = get_size(); if ( 0 == data && SHT_NULL != get_type() && SHT_NOBITS != get_type() && size < get_stream_size() ) { data = new ( std::nothrow ) char[size + 1]; if ( ( 0 != size ) && ( 0 != data ) ) { stream.seekg( ( *convertor )( header.sh_offset ) ); stream.read( data, size ); data[size] = 0; // Ensure data is ended with 0 to avoid oob read data_size = size; } else { data_size = 0; } } } //------------------------------------------------------------------------------ void save( std::ostream& stream, std::streampos header_offset, std::streampos data_offset ) { if ( 0 != get_index() ) { header.sh_offset = data_offset; header.sh_offset = ( *convertor )( header.sh_offset ); } save_header( stream, header_offset ); if ( get_type() != SHT_NOBITS && get_type() != SHT_NULL && get_size() != 0 && data != 0 ) { save_data( stream, data_offset ); } } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ void save_header( std::ostream& stream, std::streampos header_offset ) const { stream.seekp( header_offset ); stream.write( reinterpret_cast( &header ), sizeof( header ) ); } //------------------------------------------------------------------------------ void save_data( std::ostream& stream, std::streampos data_offset ) const { stream.seekp( data_offset ); stream.write( get_data(), get_size() ); } //------------------------------------------------------------------------------ size_t get_stream_size() const { return stream_size; } //------------------------------------------------------------------------------ void set_stream_size( size_t value ) { stream_size = value; } //------------------------------------------------------------------------------ private: T header; Elf_Half index; std::string name; char* data; Elf_Word data_size; const endianess_convertor* convertor; bool is_address_set; size_t stream_size; }; } // namespace ELFIO #endif // ELFIO_SECTION_HPP /*** End of inlined file: elfio_section.hpp ***/ /*** Start of inlined file: elfio_segment.hpp ***/ #ifndef ELFIO_SEGMENT_HPP #define ELFIO_SEGMENT_HPP #include #include #include namespace ELFIO { class segment { friend class elfio; public: virtual ~segment(){}; ELFIO_GET_ACCESS_DECL( Elf_Half, index ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, type ); ELFIO_GET_SET_ACCESS_DECL( Elf_Word, flags ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, align ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Addr, virtual_address ); ELFIO_GET_SET_ACCESS_DECL( Elf64_Addr, physical_address ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, file_size ); ELFIO_GET_SET_ACCESS_DECL( Elf_Xword, memory_size ); ELFIO_GET_ACCESS_DECL( Elf64_Off, offset ); virtual const char* get_data() const = 0; virtual Elf_Half add_section_index( Elf_Half index, Elf_Xword addr_align ) = 0; virtual Elf_Half get_sections_num() const = 0; virtual Elf_Half get_section_index_at( Elf_Half num ) const = 0; virtual bool is_offset_initialized() const = 0; protected: ELFIO_SET_ACCESS_DECL( Elf64_Off, offset ); ELFIO_SET_ACCESS_DECL( Elf_Half, index ); virtual const std::vector& get_sections() const = 0; virtual void load( std::istream& stream, std::streampos header_offset ) = 0; virtual void save( std::ostream& stream, std::streampos header_offset, std::streampos data_offset ) = 0; }; //------------------------------------------------------------------------------ template class segment_impl : public segment { public: //------------------------------------------------------------------------------ segment_impl( endianess_convertor* convertor_ ) : stream_size( 0 ), index( 0 ), data( 0 ), convertor( convertor_ ) { is_offset_set = false; std::fill_n( reinterpret_cast( &ph ), sizeof( ph ), '\0' ); } //------------------------------------------------------------------------------ virtual ~segment_impl() { delete[] data; } //------------------------------------------------------------------------------ // Section info functions ELFIO_GET_SET_ACCESS( Elf_Word, type, ph.p_type ); ELFIO_GET_SET_ACCESS( Elf_Word, flags, ph.p_flags ); ELFIO_GET_SET_ACCESS( Elf_Xword, align, ph.p_align ); ELFIO_GET_SET_ACCESS( Elf64_Addr, virtual_address, ph.p_vaddr ); ELFIO_GET_SET_ACCESS( Elf64_Addr, physical_address, ph.p_paddr ); ELFIO_GET_SET_ACCESS( Elf_Xword, file_size, ph.p_filesz ); ELFIO_GET_SET_ACCESS( Elf_Xword, memory_size, ph.p_memsz ); ELFIO_GET_ACCESS( Elf64_Off, offset, ph.p_offset ); size_t stream_size; //------------------------------------------------------------------------------ size_t get_stream_size() const { return stream_size; } //------------------------------------------------------------------------------ void set_stream_size( size_t value ) { stream_size = value; } //------------------------------------------------------------------------------ Elf_Half get_index() const { return index; } //------------------------------------------------------------------------------ const char* get_data() const { return data; } //------------------------------------------------------------------------------ Elf_Half add_section_index( Elf_Half sec_index, Elf_Xword addr_align ) { sections.push_back( sec_index ); if ( addr_align > get_align() ) { set_align( addr_align ); } return (Elf_Half)sections.size(); } //------------------------------------------------------------------------------ Elf_Half get_sections_num() const { return (Elf_Half)sections.size(); } //------------------------------------------------------------------------------ Elf_Half get_section_index_at( Elf_Half num ) const { if ( num < sections.size() ) { return sections[num]; } return Elf_Half( -1 ); } //------------------------------------------------------------------------------ protected: //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ void set_offset( Elf64_Off value ) { ph.p_offset = value; ph.p_offset = ( *convertor )( ph.p_offset ); is_offset_set = true; } //------------------------------------------------------------------------------ bool is_offset_initialized() const { return is_offset_set; } //------------------------------------------------------------------------------ const std::vector& get_sections() const { return sections; } //------------------------------------------------------------------------------ void set_index( Elf_Half value ) { index = value; } //------------------------------------------------------------------------------ void load( std::istream& stream, std::streampos header_offset ) { stream.seekg( 0, stream.end ); set_stream_size( stream.tellg() ); stream.seekg( header_offset ); stream.read( reinterpret_cast( &ph ), sizeof( ph ) ); is_offset_set = true; if ( PT_NULL != get_type() && 0 != get_file_size() ) { stream.seekg( ( *convertor )( ph.p_offset ) ); Elf_Xword size = get_file_size(); if ( size > get_stream_size() ) { data = 0; } else { data = new (std::nothrow) char[size + 1]; if ( 0 != data ) { stream.read( data, size ); data[size] = 0; } } } } //------------------------------------------------------------------------------ void save( std::ostream& stream, std::streampos header_offset, std::streampos data_offset ) { ph.p_offset = data_offset; ph.p_offset = ( *convertor )( ph.p_offset ); stream.seekp( header_offset ); stream.write( reinterpret_cast( &ph ), sizeof( ph ) ); } //------------------------------------------------------------------------------ private: T ph; Elf_Half index; char* data; std::vector sections; endianess_convertor* convertor; bool is_offset_set; }; } // namespace ELFIO #endif // ELFIO_SEGMENT_HPP /*** End of inlined file: elfio_segment.hpp ***/ /*** Start of inlined file: elfio_strings.hpp ***/ #ifndef ELFIO_STRINGS_HPP #define ELFIO_STRINGS_HPP #include #include #include namespace ELFIO { //------------------------------------------------------------------------------ template class string_section_accessor_template { public: //------------------------------------------------------------------------------ string_section_accessor_template( S* section_ ) : string_section( section_ ) { } //------------------------------------------------------------------------------ const char* get_string( Elf_Word index ) const { if ( string_section ) { if ( index < string_section->get_size() ) { const char* data = string_section->get_data(); if ( 0 != data ) { return data + index; } } } return 0; } //------------------------------------------------------------------------------ Elf_Word add_string( const char* str ) { Elf_Word current_position = 0; if ( string_section ) { // Strings are addeded to the end of the current section data current_position = (Elf_Word)string_section->get_size(); if ( current_position == 0 ) { char empty_string = '\0'; string_section->append_data( &empty_string, 1 ); current_position++; } string_section->append_data( str, (Elf_Word)std::strlen( str ) + 1 ); } return current_position; } //------------------------------------------------------------------------------ Elf_Word add_string( const std::string& str ) { return add_string( str.c_str() ); } //------------------------------------------------------------------------------ private: S* string_section; }; using string_section_accessor = string_section_accessor_template
; using const_string_section_accessor = string_section_accessor_template; } // namespace ELFIO #endif // ELFIO_STRINGS_HPP /*** End of inlined file: elfio_strings.hpp ***/ #define ELFIO_HEADER_ACCESS_GET( TYPE, FNAME ) \ TYPE get_##FNAME() const { return header ? ( header->get_##FNAME() ) : 0; } #define ELFIO_HEADER_ACCESS_GET_SET( TYPE, FNAME ) \ TYPE get_##FNAME() const \ { \ return header ? ( header->get_##FNAME() ) : 0; \ } \ void set_##FNAME( TYPE val ) \ { \ if ( header ) { \ header->set_##FNAME( val ); \ } \ } namespace ELFIO { //------------------------------------------------------------------------------ class elfio { public: //------------------------------------------------------------------------------ elfio() : sections( this ), segments( this ) { header = 0; current_file_pos = 0; create( ELFCLASS32, ELFDATA2LSB ); } //------------------------------------------------------------------------------ ~elfio() { clean(); } //------------------------------------------------------------------------------ void create( unsigned char file_class, unsigned char encoding ) { clean(); convertor.setup( encoding ); header = create_header( file_class, encoding ); create_mandatory_sections(); } //------------------------------------------------------------------------------ bool load( const std::string& file_name ) { std::ifstream stream; stream.open( file_name.c_str(), std::ios::in | std::ios::binary ); if ( !stream ) { return false; } return load( stream ); } //------------------------------------------------------------------------------ bool load( std::istream& stream ) { clean(); unsigned char e_ident[EI_NIDENT]; // Read ELF file signature stream.read( reinterpret_cast( &e_ident ), sizeof( e_ident ) ); // Is it ELF file? if ( stream.gcount() != sizeof( e_ident ) || e_ident[EI_MAG0] != ELFMAG0 || e_ident[EI_MAG1] != ELFMAG1 || e_ident[EI_MAG2] != ELFMAG2 || e_ident[EI_MAG3] != ELFMAG3 ) { return false; } if ( ( e_ident[EI_CLASS] != ELFCLASS64 ) && ( e_ident[EI_CLASS] != ELFCLASS32 ) ) { return false; } convertor.setup( e_ident[EI_DATA] ); header = create_header( e_ident[EI_CLASS], e_ident[EI_DATA] ); if ( 0 == header ) { return false; } if ( !header->load( stream ) ) { return false; } load_sections( stream ); bool is_still_good = load_segments( stream ); return is_still_good; } //------------------------------------------------------------------------------ bool save( const std::string& file_name ) { std::ofstream stream; stream.open( file_name.c_str(), std::ios::out | std::ios::binary ); if ( !stream ) { return false; } return save( stream ); } //------------------------------------------------------------------------------ bool save( std::ostream& stream ) { if ( !stream || !header ) { return false; } bool is_still_good = true; // Define layout specific header fields // The position of the segment table is fixed after the header. // The position of the section table is variable and needs to be fixed // before saving. header->set_segments_num( segments.size() ); header->set_segments_offset( segments.size() ? header->get_header_size() : 0 ); header->set_sections_num( sections.size() ); header->set_sections_offset( 0 ); // Layout the first section right after the segment table current_file_pos = header->get_header_size() + header->get_segment_entry_size() * (Elf_Xword)header->get_segments_num(); calc_segment_alignment(); is_still_good = layout_segments_and_their_sections(); is_still_good = is_still_good && layout_sections_without_segments(); is_still_good = is_still_good && layout_section_table(); is_still_good = is_still_good && save_header( stream ); is_still_good = is_still_good && save_sections( stream ); is_still_good = is_still_good && save_segments( stream ); return is_still_good; } //------------------------------------------------------------------------------ // ELF header access functions ELFIO_HEADER_ACCESS_GET( unsigned char, class ); ELFIO_HEADER_ACCESS_GET( unsigned char, elf_version ); ELFIO_HEADER_ACCESS_GET( unsigned char, encoding ); ELFIO_HEADER_ACCESS_GET( Elf_Word, version ); ELFIO_HEADER_ACCESS_GET( Elf_Half, header_size ); ELFIO_HEADER_ACCESS_GET( Elf_Half, section_entry_size ); ELFIO_HEADER_ACCESS_GET( Elf_Half, segment_entry_size ); ELFIO_HEADER_ACCESS_GET_SET( unsigned char, os_abi ); ELFIO_HEADER_ACCESS_GET_SET( unsigned char, abi_version ); ELFIO_HEADER_ACCESS_GET_SET( Elf_Half, type ); ELFIO_HEADER_ACCESS_GET_SET( Elf_Half, machine ); ELFIO_HEADER_ACCESS_GET_SET( Elf_Word, flags ); ELFIO_HEADER_ACCESS_GET_SET( Elf64_Addr, entry ); ELFIO_HEADER_ACCESS_GET_SET( Elf64_Off, sections_offset ); ELFIO_HEADER_ACCESS_GET_SET( Elf64_Off, segments_offset ); ELFIO_HEADER_ACCESS_GET_SET( Elf_Half, section_name_str_index ); //------------------------------------------------------------------------------ const endianess_convertor& get_convertor() const { return convertor; } //------------------------------------------------------------------------------ Elf_Xword get_default_entry_size( Elf_Word section_type ) const { switch ( section_type ) { case SHT_RELA: if ( header->get_class() == ELFCLASS64 ) { return sizeof( Elf64_Rela ); } else { return sizeof( Elf32_Rela ); } case SHT_REL: if ( header->get_class() == ELFCLASS64 ) { return sizeof( Elf64_Rel ); } else { return sizeof( Elf32_Rel ); } case SHT_SYMTAB: if ( header->get_class() == ELFCLASS64 ) { return sizeof( Elf64_Sym ); } else { return sizeof( Elf32_Sym ); } case SHT_DYNAMIC: if ( header->get_class() == ELFCLASS64 ) { return sizeof( Elf64_Dyn ); } else { return sizeof( Elf32_Dyn ); } default: return 0; } } //------------------------------------------------------------------------------ private: bool is_offset_in_section( Elf64_Off offset, const section* sec ) const { return ( offset >= sec->get_offset() ) && ( offset < ( sec->get_offset() + sec->get_size() ) ); } //------------------------------------------------------------------------------ public: //! returns an empty string if no problems are detected, //! or a string containing an error message if problems are found std::string validate() const { // check for overlapping sections in the file for ( int i = 0; i < sections.size(); ++i ) { for ( int j = i + 1; j < sections.size(); ++j ) { const section* a = sections[i]; const section* b = sections[j]; if ( !( a->get_type() & SHT_NOBITS ) && !( b->get_type() & SHT_NOBITS ) && ( a->get_size() > 0 ) && ( b->get_size() > 0 ) && ( a->get_offset() > 0 ) && ( b->get_offset() > 0 ) ) { if ( is_offset_in_section( a->get_offset(), b ) || is_offset_in_section( a->get_offset() + a->get_size() - 1, b ) || is_offset_in_section( b->get_offset(), a ) || is_offset_in_section( b->get_offset() + b->get_size() - 1, a ) ) { return "Sections " + a->get_name() + " and " + b->get_name() + " overlap in file"; } } } } // more checks to be added here... return ""; } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ void clean() { delete header; header = 0; std::vector::const_iterator it; for ( it = sections_.begin(); it != sections_.end(); ++it ) { delete *it; } sections_.clear(); std::vector::const_iterator it1; for ( it1 = segments_.begin(); it1 != segments_.end(); ++it1 ) { delete *it1; } segments_.clear(); } //------------------------------------------------------------------------------ elf_header* create_header( unsigned char file_class, unsigned char encoding ) { elf_header* new_header = 0; if ( file_class == ELFCLASS64 ) { new_header = new elf_header_impl( &convertor, encoding ); } else if ( file_class == ELFCLASS32 ) { new_header = new elf_header_impl( &convertor, encoding ); } else { return 0; } return new_header; } //------------------------------------------------------------------------------ section* create_section() { section* new_section; unsigned char file_class = get_class(); if ( file_class == ELFCLASS64 ) { new_section = new section_impl( &convertor ); } else if ( file_class == ELFCLASS32 ) { new_section = new section_impl( &convertor ); } else { return 0; } new_section->set_index( (Elf_Half)sections_.size() ); sections_.push_back( new_section ); return new_section; } //------------------------------------------------------------------------------ segment* create_segment() { segment* new_segment; unsigned char file_class = header->get_class(); if ( file_class == ELFCLASS64 ) { new_segment = new segment_impl( &convertor ); } else if ( file_class == ELFCLASS32 ) { new_segment = new segment_impl( &convertor ); } else { return 0; } new_segment->set_index( (Elf_Half)segments_.size() ); segments_.push_back( new_segment ); return new_segment; } //------------------------------------------------------------------------------ void create_mandatory_sections() { // Create null section without calling to 'add_section' as no string // section containing section names exists yet section* sec0 = create_section(); sec0->set_index( 0 ); sec0->set_name( "" ); sec0->set_name_string_offset( 0 ); set_section_name_str_index( 1 ); section* shstrtab = sections.add( ".shstrtab" ); shstrtab->set_type( SHT_STRTAB ); shstrtab->set_addr_align( 1 ); } //------------------------------------------------------------------------------ Elf_Half load_sections( std::istream& stream ) { Elf_Half entry_size = header->get_section_entry_size(); Elf_Half num = header->get_sections_num(); Elf64_Off offset = header->get_sections_offset(); for ( Elf_Half i = 0; i < num; ++i ) { section* sec = create_section(); sec->load( stream, (std::streamoff)offset + (std::streampos)i * entry_size ); sec->set_index( i ); // To mark that the section is not permitted to reassign address // during layout calculation sec->set_address( sec->get_address() ); } Elf_Half shstrndx = get_section_name_str_index(); if ( SHN_UNDEF != shstrndx ) { string_section_accessor str_reader( sections[shstrndx] ); for ( Elf_Half i = 0; i < num; ++i ) { Elf_Word section_offset = sections[i]->get_name_string_offset(); const char* p = str_reader.get_string( section_offset ); if ( p != 0 ) { sections[i]->set_name( p ); } } } return num; } //------------------------------------------------------------------------------ //! Checks whether the addresses of the section entirely fall within the given segment. //! It doesn't matter if the addresses are memory addresses, or file offsets, //! they just need to be in the same address space bool is_sect_in_seg( Elf64_Off sect_begin, Elf_Xword sect_size, Elf64_Off seg_begin, Elf64_Off seg_end ) { return ( seg_begin <= sect_begin ) && ( sect_begin + sect_size <= seg_end ) && ( sect_begin < seg_end ); // this is important criteria when sect_size == 0 // Example: seg_begin=10, seg_end=12 (-> covering the bytes 10 and 11) // sect_begin=12, sect_size=0 -> shall return false! } //------------------------------------------------------------------------------ bool load_segments( std::istream& stream ) { Elf_Half entry_size = header->get_segment_entry_size(); Elf_Half num = header->get_segments_num(); Elf64_Off offset = header->get_segments_offset(); for ( Elf_Half i = 0; i < num; ++i ) { segment* seg; unsigned char file_class = header->get_class(); if ( file_class == ELFCLASS64 ) { seg = new segment_impl( &convertor ); } else if ( file_class == ELFCLASS32 ) { seg = new segment_impl( &convertor ); } else { return false; } seg->load( stream, (std::streamoff)offset + (std::streampos)i * entry_size ); seg->set_index( i ); // Add sections to the segments (similar to readelfs algorithm) Elf64_Off segBaseOffset = seg->get_offset(); Elf64_Off segEndOffset = segBaseOffset + seg->get_file_size(); Elf64_Off segVBaseAddr = seg->get_virtual_address(); Elf64_Off segVEndAddr = segVBaseAddr + seg->get_memory_size(); for ( Elf_Half j = 0; j < sections.size(); ++j ) { const section* psec = sections[j]; // SHF_ALLOC sections are matched based on the virtual address // otherwise the file offset is matched if ( ( psec->get_flags() & SHF_ALLOC ) ? is_sect_in_seg( psec->get_address(), psec->get_size(), segVBaseAddr, segVEndAddr ) : is_sect_in_seg( psec->get_offset(), psec->get_size(), segBaseOffset, segEndOffset ) ) { // Alignment of segment shall not be updated, to preserve original value // It will be re-calculated on saving. seg->add_section_index( psec->get_index(), 0 ); } } // Add section into the segments' container segments_.push_back( seg ); } return true; } //------------------------------------------------------------------------------ bool save_header( std::ostream& stream ) { return header->save( stream ); } //------------------------------------------------------------------------------ bool save_sections( std::ostream& stream ) { for ( unsigned int i = 0; i < sections_.size(); ++i ) { section* sec = sections_.at( i ); std::streampos headerPosition = (std::streamoff)header->get_sections_offset() + (std::streampos)header->get_section_entry_size() * sec->get_index(); sec->save( stream, headerPosition, sec->get_offset() ); } return true; } //------------------------------------------------------------------------------ bool save_segments( std::ostream& stream ) { for ( unsigned int i = 0; i < segments_.size(); ++i ) { segment* seg = segments_.at( i ); std::streampos headerPosition = header->get_segments_offset() + (std::streampos)header->get_segment_entry_size() * seg->get_index(); seg->save( stream, headerPosition, seg->get_offset() ); } return true; } //------------------------------------------------------------------------------ bool is_section_without_segment( unsigned int section_index ) { bool found = false; for ( unsigned int j = 0; !found && ( j < segments.size() ); ++j ) { for ( unsigned int k = 0; !found && ( k < segments[j]->get_sections_num() ); ++k ) { found = segments[j]->get_section_index_at( k ) == section_index; } } return !found; } //------------------------------------------------------------------------------ bool is_subsequence_of( segment* seg1, segment* seg2 ) { // Return 'true' if sections of seg1 are a subset of sections in seg2 const std::vector& sections1 = seg1->get_sections(); const std::vector& sections2 = seg2->get_sections(); bool found = false; if ( sections1.size() < sections2.size() ) { found = std::includes( sections2.begin(), sections2.end(), sections1.begin(), sections1.end() ); } return found; } //------------------------------------------------------------------------------ std::vector get_ordered_segments() { std::vector res; std::deque worklist; res.reserve( segments.size() ); std::copy( segments_.begin(), segments_.end(), std::back_inserter( worklist ) ); // Bring the segments which start at address 0 to the front size_t nextSlot = 0; for ( size_t i = 0; i < worklist.size(); ++i ) { if ( i != nextSlot && worklist[i]->is_offset_initialized() && worklist[i]->get_offset() == 0 ) { if ( worklist[nextSlot]->get_offset() == 0 ) { ++nextSlot; } std::swap( worklist[i], worklist[nextSlot] ); ++nextSlot; } } while ( !worklist.empty() ) { segment* seg = worklist.front(); worklist.pop_front(); size_t i = 0; for ( ; i < worklist.size(); ++i ) { if ( is_subsequence_of( seg, worklist[i] ) ) { break; } } if ( i < worklist.size() ) worklist.push_back( seg ); else res.push_back( seg ); } return res; } //------------------------------------------------------------------------------ bool layout_sections_without_segments() { for ( unsigned int i = 0; i < sections_.size(); ++i ) { if ( is_section_without_segment( i ) ) { section* sec = sections_[i]; Elf_Xword section_align = sec->get_addr_align(); if ( section_align > 1 && current_file_pos % section_align != 0 ) { current_file_pos += section_align - current_file_pos % section_align; } if ( 0 != sec->get_index() ) sec->set_offset( current_file_pos ); if ( SHT_NOBITS != sec->get_type() && SHT_NULL != sec->get_type() ) { current_file_pos += sec->get_size(); } } } return true; } //------------------------------------------------------------------------------ void calc_segment_alignment() { for ( std::vector::iterator s = segments_.begin(); s != segments_.end(); ++s ) { segment* seg = *s; for ( int i = 0; i < seg->get_sections_num(); ++i ) { section* sect = sections_[seg->get_section_index_at( i )]; if ( sect->get_addr_align() > seg->get_align() ) { seg->set_align( sect->get_addr_align() ); } } } } //------------------------------------------------------------------------------ bool layout_segments_and_their_sections() { std::vector worklist; std::vector section_generated( sections.size(), false ); // Get segments in a order in where segments which contain a // sub sequence of other segments are located at the end worklist = get_ordered_segments(); for ( unsigned int i = 0; i < worklist.size(); ++i ) { Elf_Xword segment_memory = 0; Elf_Xword segment_filesize = 0; Elf_Xword seg_start_pos = current_file_pos; segment* seg = worklist[i]; // Special case: PHDR segment // This segment contains the program headers but no sections if ( seg->get_type() == PT_PHDR && seg->get_sections_num() == 0 ) { seg_start_pos = header->get_segments_offset(); segment_memory = segment_filesize = header->get_segment_entry_size() * (Elf_Xword)header->get_segments_num(); } // Special case: else if ( seg->is_offset_initialized() && seg->get_offset() == 0 ) { seg_start_pos = 0; if ( seg->get_sections_num() ) { segment_memory = segment_filesize = current_file_pos; } } // New segments with not generated sections // have to be aligned else if ( seg->get_sections_num() && !section_generated[seg->get_section_index_at( 0 )] ) { Elf_Xword align = seg->get_align() > 0 ? seg->get_align() : 1; Elf64_Off cur_page_alignment = current_file_pos % align; Elf64_Off req_page_alignment = seg->get_virtual_address() % align; Elf64_Off error = req_page_alignment - cur_page_alignment; current_file_pos += ( seg->get_align() + error ) % align; seg_start_pos = current_file_pos; } else if ( seg->get_sections_num() ) { seg_start_pos = sections[seg->get_section_index_at( 0 )]->get_offset(); } // Write segment's data for ( unsigned int j = 0; j < seg->get_sections_num(); ++j ) { Elf_Half index = seg->get_section_index_at( j ); section* sec = sections[index]; // The NULL section is always generated if ( SHT_NULL == sec->get_type() ) { section_generated[index] = true; continue; } Elf_Xword secAlign = 0; // Fix up the alignment if ( !section_generated[index] && sec->is_address_initialized() && SHT_NOBITS != sec->get_type() && SHT_NULL != sec->get_type() && 0 != sec->get_size() ) { // Align the sections based on the virtual addresses // when possible (this is what matters for execution) Elf64_Off req_offset = sec->get_address() - seg->get_virtual_address(); Elf64_Off cur_offset = current_file_pos - seg_start_pos; if ( req_offset < cur_offset ) { // something has gone awfully wrong, abort! // secAlign would turn out negative, seeking backwards and overwriting previous data return false; } secAlign = req_offset - cur_offset; } else if ( !section_generated[index] && !sec->is_address_initialized() ) { // If no address has been specified then only the section // alignment constraint has to be matched Elf_Xword align = sec->get_addr_align(); if ( align == 0 ) { align = 1; } Elf64_Off error = current_file_pos % align; secAlign = ( align - error ) % align; } else if ( section_generated[index] ) { // Alignment for already generated sections secAlign = sec->get_offset() - seg_start_pos - segment_filesize; } // Determine the segment file and memory sizes // Special case .tbss section (NOBITS) in non TLS segment if ( ( sec->get_flags() & SHF_ALLOC ) && !( ( sec->get_flags() & SHF_TLS ) && ( seg->get_type() != PT_TLS ) && ( SHT_NOBITS == sec->get_type() ) ) ) segment_memory += sec->get_size() + secAlign; if ( SHT_NOBITS != sec->get_type() ) segment_filesize += sec->get_size() + secAlign; // Nothing to be done when generating nested segments if ( section_generated[index] ) { continue; } current_file_pos += secAlign; // Set the section addresses when missing if ( !sec->is_address_initialized() ) sec->set_address( seg->get_virtual_address() + current_file_pos - seg_start_pos ); if ( 0 != sec->get_index() ) sec->set_offset( current_file_pos ); if ( SHT_NOBITS != sec->get_type() ) current_file_pos += sec->get_size(); section_generated[index] = true; } seg->set_file_size( segment_filesize ); // If we already have a memory size from loading an elf file (value > 0), // it must not shrink! // Memory size may be bigger than file size and it is the loader's job to do something // with the surplus bytes in memory, like initializing them with a defined value. if ( seg->get_memory_size() < segment_memory ) { seg->set_memory_size( segment_memory ); } seg->set_offset( seg_start_pos ); } return true; } //------------------------------------------------------------------------------ bool layout_section_table() { // Simply place the section table at the end for now Elf64_Off alignmentError = current_file_pos % 4; current_file_pos += ( 4 - alignmentError ) % 4; header->set_sections_offset( current_file_pos ); return true; } //------------------------------------------------------------------------------ public: friend class Sections; class Sections { public: //------------------------------------------------------------------------------ Sections( elfio* parent_ ) : parent( parent_ ) {} //------------------------------------------------------------------------------ Elf_Half size() const { return (Elf_Half)parent->sections_.size(); } //------------------------------------------------------------------------------ section* operator[]( unsigned int index ) const { section* sec = 0; if ( index < parent->sections_.size() ) { sec = parent->sections_[index]; } return sec; } //------------------------------------------------------------------------------ section* operator[]( const std::string& name ) const { section* sec = 0; std::vector::const_iterator it; for ( it = parent->sections_.begin(); it != parent->sections_.end(); ++it ) { if ( ( *it )->get_name() == name ) { sec = *it; break; } } return sec; } //------------------------------------------------------------------------------ section* add( const std::string& name ) { section* new_section = parent->create_section(); new_section->set_name( name ); Elf_Half str_index = parent->get_section_name_str_index(); section* string_table( parent->sections_[str_index] ); string_section_accessor str_writer( string_table ); Elf_Word pos = str_writer.add_string( name ); new_section->set_name_string_offset( pos ); return new_section; } //------------------------------------------------------------------------------ std::vector::iterator begin() { return parent->sections_.begin(); } //------------------------------------------------------------------------------ std::vector::iterator end() { return parent->sections_.end(); } //------------------------------------------------------------------------------ std::vector::const_iterator begin() const { return parent->sections_.cbegin(); } //------------------------------------------------------------------------------ std::vector::const_iterator end() const { return parent->sections_.cend(); } //------------------------------------------------------------------------------ private: elfio* parent; } sections; //------------------------------------------------------------------------------ public: friend class Segments; class Segments { public: //------------------------------------------------------------------------------ Segments( elfio* parent_ ) : parent( parent_ ) {} //------------------------------------------------------------------------------ Elf_Half size() const { return (Elf_Half)parent->segments_.size(); } //------------------------------------------------------------------------------ segment* operator[]( unsigned int index ) const { return parent->segments_[index]; } //------------------------------------------------------------------------------ segment* add() { return parent->create_segment(); } //------------------------------------------------------------------------------ std::vector::iterator begin() { return parent->segments_.begin(); } //------------------------------------------------------------------------------ std::vector::iterator end() { return parent->segments_.end(); } //------------------------------------------------------------------------------ std::vector::const_iterator begin() const { return parent->segments_.cbegin(); } //------------------------------------------------------------------------------ std::vector::const_iterator end() const { return parent->segments_.cend(); } //------------------------------------------------------------------------------ private: elfio* parent; } segments; //------------------------------------------------------------------------------ private: elf_header* header; std::vector sections_; std::vector segments_; endianess_convertor convertor; Elf_Xword current_file_pos; }; } // namespace ELFIO /*** Start of inlined file: elfio_symbols.hpp ***/ #ifndef ELFIO_SYMBOLS_HPP #define ELFIO_SYMBOLS_HPP namespace ELFIO { //------------------------------------------------------------------------------ template class symbol_section_accessor_template { public: //------------------------------------------------------------------------------ symbol_section_accessor_template( const elfio& elf_file_, S* symbol_section_ ) : elf_file( elf_file_ ), symbol_section( symbol_section_ ) { find_hash_section(); } //------------------------------------------------------------------------------ Elf_Xword get_symbols_num() const { Elf_Xword nRet = 0; if ( 0 != symbol_section->get_entry_size() ) { nRet = symbol_section->get_size() / symbol_section->get_entry_size(); } return nRet; } //------------------------------------------------------------------------------ bool get_symbol( Elf_Xword index, std::string& name, Elf64_Addr& value, Elf_Xword& size, unsigned char& bind, unsigned char& type, Elf_Half& section_index, unsigned char& other ) const { bool ret = false; if ( elf_file.get_class() == ELFCLASS32 ) { ret = generic_get_symbol( index, name, value, size, bind, type, section_index, other ); } else { ret = generic_get_symbol( index, name, value, size, bind, type, section_index, other ); } return ret; } //------------------------------------------------------------------------------ bool get_symbol( const std::string& name, Elf64_Addr& value, Elf_Xword& size, unsigned char& bind, unsigned char& type, Elf_Half& section_index, unsigned char& other ) const { bool ret = false; if ( 0 != get_hash_table_index() ) { Elf_Word nbucket = *(const Elf_Word*)hash_section->get_data(); Elf_Word nchain = *(const Elf_Word*)( hash_section->get_data() + sizeof( Elf_Word ) ); Elf_Word val = elf_hash( (const unsigned char*)name.c_str() ); Elf_Word y = *(const Elf_Word*)( hash_section->get_data() + ( 2 + val % nbucket ) * sizeof( Elf_Word ) ); std::string str; get_symbol( y, str, value, size, bind, type, section_index, other ); while ( str != name && STN_UNDEF != y && y < nchain ) { y = *(const Elf_Word*)( hash_section->get_data() + ( 2 + nbucket + y ) * sizeof( Elf_Word ) ); get_symbol( y, str, value, size, bind, type, section_index, other ); } if ( str == name ) { ret = true; } } else { for ( Elf_Xword i = 0; i < get_symbols_num() && !ret; i++ ) { std::string symbol_name; if ( get_symbol( i, symbol_name, value, size, bind, type, section_index, other ) ) { if ( symbol_name == name ) { ret = true; } } } } return ret; } //------------------------------------------------------------------------------ bool get_symbol( const Elf64_Addr& value, std::string& name, Elf_Xword& size, unsigned char& bind, unsigned char& type, Elf_Half& section_index, unsigned char& other ) const { const endianess_convertor& convertor = elf_file.get_convertor(); Elf_Xword idx = 0; bool match = false; Elf64_Addr v = 0; if ( elf_file.get_class() == ELFCLASS32 ) { match = generic_search_symbols( [&]( const Elf32_Sym* sym ) { return convertor( sym->st_value ) == value; }, idx ); } else { match = generic_search_symbols( [&]( const Elf64_Sym* sym ) { return convertor( sym->st_value ) == value; }, idx ); } if ( match ) { return get_symbol( idx, name, v, size, bind, type, section_index, other ); } return false; } //------------------------------------------------------------------------------ Elf_Word add_symbol( Elf_Word name, Elf64_Addr value, Elf_Xword size, unsigned char info, unsigned char other, Elf_Half shndx ) { Elf_Word nRet; if ( symbol_section->get_size() == 0 ) { if ( elf_file.get_class() == ELFCLASS32 ) { nRet = generic_add_symbol( 0, 0, 0, 0, 0, 0 ); } else { nRet = generic_add_symbol( 0, 0, 0, 0, 0, 0 ); } } if ( elf_file.get_class() == ELFCLASS32 ) { nRet = generic_add_symbol( name, value, size, info, other, shndx ); } else { nRet = generic_add_symbol( name, value, size, info, other, shndx ); } return nRet; } //------------------------------------------------------------------------------ Elf_Word add_symbol( Elf_Word name, Elf64_Addr value, Elf_Xword size, unsigned char bind, unsigned char type, unsigned char other, Elf_Half shndx ) { return add_symbol( name, value, size, ELF_ST_INFO( bind, type ), other, shndx ); } //------------------------------------------------------------------------------ Elf_Word add_symbol( string_section_accessor& pStrWriter, const char* str, Elf64_Addr value, Elf_Xword size, unsigned char info, unsigned char other, Elf_Half shndx ) { Elf_Word index = pStrWriter.add_string( str ); return add_symbol( index, value, size, info, other, shndx ); } //------------------------------------------------------------------------------ Elf_Word add_symbol( string_section_accessor& pStrWriter, const char* str, Elf64_Addr value, Elf_Xword size, unsigned char bind, unsigned char type, unsigned char other, Elf_Half shndx ) { return add_symbol( pStrWriter, str, value, size, ELF_ST_INFO( bind, type ), other, shndx ); } //------------------------------------------------------------------------------ Elf_Xword arrange_local_symbols( std::function func = nullptr ) { int nRet = 0; if ( elf_file.get_class() == ELFCLASS32 ) { nRet = generic_arrange_local_symbols( func ); } else { nRet = generic_arrange_local_symbols( func ); } return nRet; } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ void find_hash_section() { hash_section = 0; hash_section_index = 0; Elf_Half nSecNo = elf_file.sections.size(); for ( Elf_Half i = 0; i < nSecNo && 0 == hash_section_index; ++i ) { const section* sec = elf_file.sections[i]; if ( sec->get_link() == symbol_section->get_index() ) { hash_section = sec; hash_section_index = i; } } } //------------------------------------------------------------------------------ Elf_Half get_string_table_index() const { return (Elf_Half)symbol_section->get_link(); } //------------------------------------------------------------------------------ Elf_Half get_hash_table_index() const { return hash_section_index; } //------------------------------------------------------------------------------ template const T* generic_get_symbol_ptr( Elf_Xword index ) const { if ( 0 != symbol_section->get_data() && index < get_symbols_num() ) { const T* pSym = reinterpret_cast( symbol_section->get_data() + index * symbol_section->get_entry_size() ); return pSym; } return nullptr; } //------------------------------------------------------------------------------ template bool generic_search_symbols( std::function match, Elf_Xword& idx ) const { for ( Elf_Xword i = 0; i < get_symbols_num(); i++ ) { const T* symPtr = generic_get_symbol_ptr( i ); if ( symPtr == nullptr ) return false; if ( match( symPtr ) ) { idx = i; return true; } } return false; } //------------------------------------------------------------------------------ template bool generic_get_symbol( Elf_Xword index, std::string& name, Elf64_Addr& value, Elf_Xword& size, unsigned char& bind, unsigned char& type, Elf_Half& section_index, unsigned char& other ) const { bool ret = false; if ( 0 != symbol_section->get_data() && index < get_symbols_num() ) { const T* pSym = reinterpret_cast( symbol_section->get_data() + index * symbol_section->get_entry_size() ); const endianess_convertor& convertor = elf_file.get_convertor(); section* string_section = elf_file.sections[get_string_table_index()]; string_section_accessor str_reader( string_section ); const char* pStr = str_reader.get_string( convertor( pSym->st_name ) ); if ( 0 != pStr ) { name = pStr; } value = convertor( pSym->st_value ); size = convertor( pSym->st_size ); bind = ELF_ST_BIND( pSym->st_info ); type = ELF_ST_TYPE( pSym->st_info ); section_index = convertor( pSym->st_shndx ); other = pSym->st_other; ret = true; } return ret; } //------------------------------------------------------------------------------ template Elf_Word generic_add_symbol( Elf_Word name, Elf64_Addr value, Elf_Xword size, unsigned char info, unsigned char other, Elf_Half shndx ) { const endianess_convertor& convertor = elf_file.get_convertor(); T entry; entry.st_name = convertor( name ); entry.st_value = value; entry.st_value = convertor( entry.st_value ); entry.st_size = size; entry.st_size = convertor( entry.st_size ); entry.st_info = convertor( info ); entry.st_other = convertor( other ); entry.st_shndx = convertor( shndx ); symbol_section->append_data( reinterpret_cast( &entry ), sizeof( entry ) ); Elf_Word nRet = symbol_section->get_size() / sizeof( entry ) - 1; return nRet; } //------------------------------------------------------------------------------ template Elf_Xword generic_arrange_local_symbols( std::function func ) { const endianess_convertor& convertor = elf_file.get_convertor(); const Elf_Xword size = symbol_section->get_entry_size(); Elf_Xword first_not_local = 1; // Skip the first entry. It is always NOTYPE Elf_Xword current = 0; Elf_Xword count = get_symbols_num(); while ( true ) { T* p1 = nullptr; T* p2 = nullptr; while ( first_not_local < count ) { p1 = const_cast( generic_get_symbol_ptr( first_not_local ) ); if ( ELF_ST_BIND( convertor( p1->st_info ) ) != STB_LOCAL ) break; ++first_not_local; } current = first_not_local + 1; while ( current < count ) { p2 = const_cast( generic_get_symbol_ptr( current ) ); if ( ELF_ST_BIND( convertor( p2->st_info ) ) == STB_LOCAL ) break; ++current; } if ( first_not_local < count && current < count ) { if ( func ) func( first_not_local, current ); // Swap the symbols T tmp; std::copy( p1, p1 + 1, &tmp ); std::copy( p2, p2 + 1, p1 ); std::copy( &tmp, &tmp + 1, p2 ); } else { // Update 'info' field of the section symbol_section->set_info( first_not_local ); break; } } // Elf_Word nRet = symbol_section->get_size() / sizeof(entry) - 1; return first_not_local; } //------------------------------------------------------------------------------ private: const elfio& elf_file; S* symbol_section; Elf_Half hash_section_index; const section* hash_section; }; using symbol_section_accessor = symbol_section_accessor_template
; using const_symbol_section_accessor = symbol_section_accessor_template; } // namespace ELFIO #endif // ELFIO_SYMBOLS_HPP /*** End of inlined file: elfio_symbols.hpp ***/ /*** Start of inlined file: elfio_note.hpp ***/ #ifndef ELFIO_NOTE_HPP #define ELFIO_NOTE_HPP namespace ELFIO { //------------------------------------------------------------------------------ // There are discrepancies in documentations. SCO documentation // (http://www.sco.com/developers/gabi/latest/ch5.pheader.html#note_section) // requires 8 byte entries alignment for 64-bit ELF file, // but Oracle's definition uses the same structure // for 32-bit and 64-bit formats. // (https://docs.oracle.com/cd/E23824_01/html/819-0690/chapter6-18048.html) // // It looks like EM_X86_64 Linux implementation is similar to Oracle's // definition. Therefore, the same alignment works for both formats //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ template class note_section_accessor_template { public: //------------------------------------------------------------------------------ note_section_accessor_template( const elfio& elf_file_, S* section_ ) : elf_file( elf_file_ ), note_section( section_ ) { process_section(); } //------------------------------------------------------------------------------ Elf_Word get_notes_num() const { return (Elf_Word)note_start_positions.size(); } //------------------------------------------------------------------------------ bool get_note( Elf_Word index, Elf_Word& type, std::string& name, void*& desc, Elf_Word& descSize ) const { if ( index >= note_section->get_size() ) { return false; } const char* pData = note_section->get_data() + note_start_positions[index]; int align = sizeof( Elf_Word ); const endianess_convertor& convertor = elf_file.get_convertor(); type = convertor( *(const Elf_Word*)( pData + 2 * align ) ); Elf_Word namesz = convertor( *(const Elf_Word*)( pData ) ); descSize = convertor( *(const Elf_Word*)( pData + sizeof( namesz ) ) ); Elf_Xword max_name_size = note_section->get_size() - note_start_positions[index]; if ( namesz < 1 || namesz > max_name_size || (Elf_Xword)namesz + descSize > max_name_size ) { return false; } name.assign( pData + 3 * align, namesz - 1 ); if ( 0 == descSize ) { desc = 0; } else { desc = const_cast( pData + 3 * align + ( ( namesz + align - 1 ) / align ) * align ); } return true; } //------------------------------------------------------------------------------ void add_note( Elf_Word type, const std::string& name, const void* desc, Elf_Word descSize ) { const endianess_convertor& convertor = elf_file.get_convertor(); int align = sizeof( Elf_Word ); Elf_Word nameLen = (Elf_Word)name.size() + 1; Elf_Word nameLenConv = convertor( nameLen ); std::string buffer( reinterpret_cast( &nameLenConv ), align ); Elf_Word descSizeConv = convertor( descSize ); buffer.append( reinterpret_cast( &descSizeConv ), align ); type = convertor( type ); buffer.append( reinterpret_cast( &type ), align ); buffer.append( name ); buffer.append( 1, '\x00' ); const char pad[] = { '\0', '\0', '\0', '\0' }; if ( nameLen % align != 0 ) { buffer.append( pad, align - nameLen % align ); } if ( desc != 0 && descSize != 0 ) { buffer.append( reinterpret_cast( desc ), descSize ); if ( descSize % align != 0 ) { buffer.append( pad, align - descSize % align ); } } note_start_positions.push_back( note_section->get_size() ); note_section->append_data( buffer ); } private: //------------------------------------------------------------------------------ void process_section() { const endianess_convertor& convertor = elf_file.get_convertor(); const char* data = note_section->get_data(); Elf_Xword size = note_section->get_size(); Elf_Xword current = 0; note_start_positions.clear(); // Is it empty? if ( 0 == data || 0 == size ) { return; } Elf_Word align = sizeof( Elf_Word ); while ( current + (Elf_Xword)3 * align <= size ) { note_start_positions.push_back( current ); Elf_Word namesz = convertor( *(const Elf_Word*)( data + current ) ); Elf_Word descsz = convertor( *(const Elf_Word*)( data + current + sizeof( namesz ) ) ); current += (Elf_Xword)3 * sizeof( Elf_Word ) + ( ( namesz + align - 1 ) / align ) * (Elf_Xword)align + ( ( descsz + align - 1 ) / align ) * (Elf_Xword)align; } } //------------------------------------------------------------------------------ private: const elfio& elf_file; S* note_section; std::vector note_start_positions; }; using note_section_accessor = note_section_accessor_template
; using const_note_section_accessor = note_section_accessor_template; } // namespace ELFIO #endif // ELFIO_NOTE_HPP /*** End of inlined file: elfio_note.hpp ***/ /*** Start of inlined file: elfio_relocation.hpp ***/ #ifndef ELFIO_RELOCATION_HPP #define ELFIO_RELOCATION_HPP namespace ELFIO { template struct get_sym_and_type; template <> struct get_sym_and_type { static int get_r_sym( Elf_Xword info ) { return ELF32_R_SYM( (Elf_Word)info ); } static int get_r_type( Elf_Xword info ) { return ELF32_R_TYPE( (Elf_Word)info ); } }; template <> struct get_sym_and_type { static int get_r_sym( Elf_Xword info ) { return ELF32_R_SYM( (Elf_Word)info ); } static int get_r_type( Elf_Xword info ) { return ELF32_R_TYPE( (Elf_Word)info ); } }; template <> struct get_sym_and_type { static int get_r_sym( Elf_Xword info ) { return ELF64_R_SYM( info ); } static int get_r_type( Elf_Xword info ) { return ELF64_R_TYPE( info ); } }; template <> struct get_sym_and_type { static int get_r_sym( Elf_Xword info ) { return ELF64_R_SYM( info ); } static int get_r_type( Elf_Xword info ) { return ELF64_R_TYPE( info ); } }; //------------------------------------------------------------------------------ template class relocation_section_accessor_template { public: //------------------------------------------------------------------------------ relocation_section_accessor_template( const elfio& elf_file_, S* section_ ) : elf_file( elf_file_ ), relocation_section( section_ ) { } //------------------------------------------------------------------------------ Elf_Xword get_entries_num() const { Elf_Xword nRet = 0; if ( 0 != relocation_section->get_entry_size() ) { nRet = relocation_section->get_size() / relocation_section->get_entry_size(); } return nRet; } //------------------------------------------------------------------------------ bool get_entry( Elf_Xword index, Elf64_Addr& offset, Elf_Word& symbol, Elf_Word& type, Elf_Sxword& addend ) const { if ( index >= get_entries_num() ) { // Is index valid return false; } if ( elf_file.get_class() == ELFCLASS32 ) { if ( SHT_REL == relocation_section->get_type() ) { generic_get_entry_rel( index, offset, symbol, type, addend ); } else if ( SHT_RELA == relocation_section->get_type() ) { generic_get_entry_rela( index, offset, symbol, type, addend ); } } else { if ( SHT_REL == relocation_section->get_type() ) { generic_get_entry_rel( index, offset, symbol, type, addend ); } else if ( SHT_RELA == relocation_section->get_type() ) { generic_get_entry_rela( index, offset, symbol, type, addend ); } } return true; } //------------------------------------------------------------------------------ bool get_entry( Elf_Xword index, Elf64_Addr& offset, Elf64_Addr& symbolValue, std::string& symbolName, Elf_Word& type, Elf_Sxword& addend, Elf_Sxword& calcValue ) const { // Do regular job Elf_Word symbol; bool ret = get_entry( index, offset, symbol, type, addend ); // Find the symbol Elf_Xword size; unsigned char bind; unsigned char symbolType; Elf_Half section; unsigned char other; symbol_section_accessor symbols( elf_file, elf_file.sections[get_symbol_table_index()] ); ret = ret && symbols.get_symbol( symbol, symbolName, symbolValue, size, bind, symbolType, section, other ); if ( ret ) { // Was it successful? switch ( type ) { case R_386_NONE: // none calcValue = 0; break; case R_386_32: // S + A calcValue = symbolValue + addend; break; case R_386_PC32: // S + A - P calcValue = symbolValue + addend - offset; break; case R_386_GOT32: // G + A - P calcValue = 0; break; case R_386_PLT32: // L + A - P calcValue = 0; break; case R_386_COPY: // none calcValue = 0; break; case R_386_GLOB_DAT: // S case R_386_JMP_SLOT: // S calcValue = symbolValue; break; case R_386_RELATIVE: // B + A calcValue = addend; break; case R_386_GOTOFF: // S + A - GOT calcValue = 0; break; case R_386_GOTPC: // GOT + A - P calcValue = 0; break; default: // Not recognized symbol! calcValue = 0; break; } } return ret; } //------------------------------------------------------------------------------ bool set_entry( Elf_Xword index, Elf64_Addr offset, Elf_Word symbol, Elf_Word type, Elf_Sxword addend ) { if ( index >= get_entries_num() ) { // Is index valid return false; } if ( elf_file.get_class() == ELFCLASS32 ) { if ( SHT_REL == relocation_section->get_type() ) { generic_set_entry_rel( index, offset, symbol, type, addend ); } else if ( SHT_RELA == relocation_section->get_type() ) { generic_set_entry_rela( index, offset, symbol, type, addend ); } } else { if ( SHT_REL == relocation_section->get_type() ) { generic_set_entry_rel( index, offset, symbol, type, addend ); } else if ( SHT_RELA == relocation_section->get_type() ) { generic_set_entry_rela( index, offset, symbol, type, addend ); } } return true; } //------------------------------------------------------------------------------ void add_entry( Elf64_Addr offset, Elf_Xword info ) { if ( elf_file.get_class() == ELFCLASS32 ) { generic_add_entry( offset, info ); } else { generic_add_entry( offset, info ); } } //------------------------------------------------------------------------------ void add_entry( Elf64_Addr offset, Elf_Word symbol, unsigned char type ) { Elf_Xword info; if ( elf_file.get_class() == ELFCLASS32 ) { info = ELF32_R_INFO( (Elf_Xword)symbol, type ); } else { info = ELF64_R_INFO( (Elf_Xword)symbol, type ); } add_entry( offset, info ); } //------------------------------------------------------------------------------ void add_entry( Elf64_Addr offset, Elf_Xword info, Elf_Sxword addend ) { if ( elf_file.get_class() == ELFCLASS32 ) { generic_add_entry( offset, info, addend ); } else { generic_add_entry( offset, info, addend ); } } //------------------------------------------------------------------------------ void add_entry( Elf64_Addr offset, Elf_Word symbol, unsigned char type, Elf_Sxword addend ) { Elf_Xword info; if ( elf_file.get_class() == ELFCLASS32 ) { info = ELF32_R_INFO( (Elf_Xword)symbol, type ); } else { info = ELF64_R_INFO( (Elf_Xword)symbol, type ); } add_entry( offset, info, addend ); } //------------------------------------------------------------------------------ void add_entry( string_section_accessor str_writer, const char* str, symbol_section_accessor sym_writer, Elf64_Addr value, Elf_Word size, unsigned char sym_info, unsigned char other, Elf_Half shndx, Elf64_Addr offset, unsigned char type ) { Elf_Word str_index = str_writer.add_string( str ); Elf_Word sym_index = sym_writer.add_symbol( str_index, value, size, sym_info, other, shndx ); add_entry( offset, sym_index, type ); } //------------------------------------------------------------------------------ void swap_symbols( Elf_Xword first, Elf_Xword second ) { Elf64_Addr offset; Elf_Word symbol; Elf_Word rtype; Elf_Sxword addend; for ( Elf_Word i = 0; i < get_entries_num(); i++ ) { get_entry( i, offset, symbol, rtype, addend ); if ( symbol == first ) { set_entry( i, offset, (Elf_Word)second, rtype, addend ); } if ( symbol == second ) { set_entry( i, offset, (Elf_Word)first, rtype, addend ); } } } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ Elf_Half get_symbol_table_index() const { return (Elf_Half)relocation_section->get_link(); } //------------------------------------------------------------------------------ template void generic_get_entry_rel( Elf_Xword index, Elf64_Addr& offset, Elf_Word& symbol, Elf_Word& type, Elf_Sxword& addend ) const { const endianess_convertor& convertor = elf_file.get_convertor(); const T* pEntry = reinterpret_cast( relocation_section->get_data() + index * relocation_section->get_entry_size() ); offset = convertor( pEntry->r_offset ); Elf_Xword tmp = convertor( pEntry->r_info ); symbol = get_sym_and_type::get_r_sym( tmp ); type = get_sym_and_type::get_r_type( tmp ); addend = 0; } //------------------------------------------------------------------------------ template void generic_get_entry_rela( Elf_Xword index, Elf64_Addr& offset, Elf_Word& symbol, Elf_Word& type, Elf_Sxword& addend ) const { const endianess_convertor& convertor = elf_file.get_convertor(); const T* pEntry = reinterpret_cast( relocation_section->get_data() + index * relocation_section->get_entry_size() ); offset = convertor( pEntry->r_offset ); Elf_Xword tmp = convertor( pEntry->r_info ); symbol = get_sym_and_type::get_r_sym( tmp ); type = get_sym_and_type::get_r_type( tmp ); addend = convertor( pEntry->r_addend ); } //------------------------------------------------------------------------------ template void generic_set_entry_rel( Elf_Xword index, Elf64_Addr offset, Elf_Word symbol, Elf_Word type, Elf_Sxword ) { const endianess_convertor& convertor = elf_file.get_convertor(); T* pEntry = const_cast( reinterpret_cast( relocation_section->get_data() + index * relocation_section->get_entry_size() ) ); if ( elf_file.get_class() == ELFCLASS32 ) { pEntry->r_info = ELF32_R_INFO( (Elf_Xword)symbol, type ); } else { pEntry->r_info = ELF64_R_INFO( (Elf_Xword)symbol, type ); } pEntry->r_offset = offset; pEntry->r_offset = convertor( pEntry->r_offset ); pEntry->r_info = convertor( pEntry->r_info ); } //------------------------------------------------------------------------------ template void generic_set_entry_rela( Elf_Xword index, Elf64_Addr offset, Elf_Word symbol, Elf_Word type, Elf_Sxword addend ) { const endianess_convertor& convertor = elf_file.get_convertor(); T* pEntry = const_cast( reinterpret_cast( relocation_section->get_data() + index * relocation_section->get_entry_size() ) ); if ( elf_file.get_class() == ELFCLASS32 ) { pEntry->r_info = ELF32_R_INFO( (Elf_Xword)symbol, type ); } else { pEntry->r_info = ELF64_R_INFO( (Elf_Xword)symbol, type ); } pEntry->r_offset = offset; pEntry->r_addend = addend; pEntry->r_offset = convertor( pEntry->r_offset ); pEntry->r_info = convertor( pEntry->r_info ); pEntry->r_addend = convertor( pEntry->r_addend ); } //------------------------------------------------------------------------------ template void generic_add_entry( Elf64_Addr offset, Elf_Xword info ) { const endianess_convertor& convertor = elf_file.get_convertor(); T entry; entry.r_offset = offset; entry.r_info = info; entry.r_offset = convertor( entry.r_offset ); entry.r_info = convertor( entry.r_info ); relocation_section->append_data( reinterpret_cast( &entry ), sizeof( entry ) ); } //------------------------------------------------------------------------------ template void generic_add_entry( Elf64_Addr offset, Elf_Xword info, Elf_Sxword addend ) { const endianess_convertor& convertor = elf_file.get_convertor(); T entry; entry.r_offset = offset; entry.r_info = info; entry.r_addend = addend; entry.r_offset = convertor( entry.r_offset ); entry.r_info = convertor( entry.r_info ); entry.r_addend = convertor( entry.r_addend ); relocation_section->append_data( reinterpret_cast( &entry ), sizeof( entry ) ); } //------------------------------------------------------------------------------ private: const elfio& elf_file; S* relocation_section; }; using relocation_section_accessor = relocation_section_accessor_template
; using const_relocation_section_accessor = relocation_section_accessor_template; } // namespace ELFIO #endif // ELFIO_RELOCATION_HPP /*** End of inlined file: elfio_relocation.hpp ***/ /*** Start of inlined file: elfio_dynamic.hpp ***/ #ifndef ELFIO_DYNAMIC_HPP #define ELFIO_DYNAMIC_HPP namespace ELFIO { //------------------------------------------------------------------------------ template class dynamic_section_accessor_template { public: //------------------------------------------------------------------------------ dynamic_section_accessor_template( const elfio& elf_file_, S* section_ ) : elf_file( elf_file_ ), dynamic_section( section_ ) { } //------------------------------------------------------------------------------ Elf_Xword get_entries_num() const { Elf_Xword nRet = 0; if ( 0 != dynamic_section->get_entry_size() ) { nRet = dynamic_section->get_size() / dynamic_section->get_entry_size(); } return nRet; } //------------------------------------------------------------------------------ bool get_entry( Elf_Xword index, Elf_Xword& tag, Elf_Xword& value, std::string& str ) const { if ( index >= get_entries_num() ) { // Is index valid return false; } if ( elf_file.get_class() == ELFCLASS32 ) { generic_get_entry_dyn( index, tag, value ); } else { generic_get_entry_dyn( index, tag, value ); } // If the tag may have a string table reference, prepare the string if ( tag == DT_NEEDED || tag == DT_SONAME || tag == DT_RPATH || tag == DT_RUNPATH ) { string_section_accessor strsec = elf_file.sections[get_string_table_index()]; const char* result = strsec.get_string( value ); if ( 0 == result ) { str.clear(); return false; } str = result; } else { str.clear(); } return true; } //------------------------------------------------------------------------------ void add_entry( Elf_Xword tag, Elf_Xword value ) { if ( elf_file.get_class() == ELFCLASS32 ) { generic_add_entry( tag, value ); } else { generic_add_entry( tag, value ); } } //------------------------------------------------------------------------------ void add_entry( Elf_Xword tag, const std::string& str ) { string_section_accessor strsec = elf_file.sections[get_string_table_index()]; Elf_Xword value = strsec.add_string( str ); add_entry( tag, value ); } //------------------------------------------------------------------------------ private: //------------------------------------------------------------------------------ Elf_Half get_string_table_index() const { return (Elf_Half)dynamic_section->get_link(); } //------------------------------------------------------------------------------ template void generic_get_entry_dyn( Elf_Xword index, Elf_Xword& tag, Elf_Xword& value ) const { const endianess_convertor& convertor = elf_file.get_convertor(); // Check unusual case when dynamic section has no data if ( dynamic_section->get_data() == 0 || ( index + 1 ) * dynamic_section->get_entry_size() > dynamic_section->get_size() ) { tag = DT_NULL; value = 0; return; } const T* pEntry = reinterpret_cast( dynamic_section->get_data() + index * dynamic_section->get_entry_size() ); tag = convertor( pEntry->d_tag ); switch ( tag ) { case DT_NULL: case DT_SYMBOLIC: case DT_TEXTREL: case DT_BIND_NOW: value = 0; break; case DT_NEEDED: case DT_PLTRELSZ: case DT_RELASZ: case DT_RELAENT: case DT_STRSZ: case DT_SYMENT: case DT_SONAME: case DT_RPATH: case DT_RELSZ: case DT_RELENT: case DT_PLTREL: case DT_INIT_ARRAYSZ: case DT_FINI_ARRAYSZ: case DT_RUNPATH: case DT_FLAGS: case DT_PREINIT_ARRAYSZ: value = convertor( pEntry->d_un.d_val ); break; case DT_PLTGOT: case DT_HASH: case DT_STRTAB: case DT_SYMTAB: case DT_RELA: case DT_INIT: case DT_FINI: case DT_REL: case DT_DEBUG: case DT_JMPREL: case DT_INIT_ARRAY: case DT_FINI_ARRAY: case DT_PREINIT_ARRAY: default: value = convertor( pEntry->d_un.d_ptr ); break; } } //------------------------------------------------------------------------------ template void generic_add_entry( Elf_Xword tag, Elf_Xword value ) { const endianess_convertor& convertor = elf_file.get_convertor(); T entry; switch ( tag ) { case DT_NULL: case DT_SYMBOLIC: case DT_TEXTREL: case DT_BIND_NOW: value = 0; case DT_NEEDED: case DT_PLTRELSZ: case DT_RELASZ: case DT_RELAENT: case DT_STRSZ: case DT_SYMENT: case DT_SONAME: case DT_RPATH: case DT_RELSZ: case DT_RELENT: case DT_PLTREL: case DT_INIT_ARRAYSZ: case DT_FINI_ARRAYSZ: case DT_RUNPATH: case DT_FLAGS: case DT_PREINIT_ARRAYSZ: entry.d_un.d_val = convertor( value ); break; case DT_PLTGOT: case DT_HASH: case DT_STRTAB: case DT_SYMTAB: case DT_RELA: case DT_INIT: case DT_FINI: case DT_REL: case DT_DEBUG: case DT_JMPREL: case DT_INIT_ARRAY: case DT_FINI_ARRAY: case DT_PREINIT_ARRAY: default: entry.d_un.d_ptr = convertor( value ); break; } entry.d_tag = convertor( tag ); dynamic_section->append_data( reinterpret_cast( &entry ), sizeof( entry ) ); } //------------------------------------------------------------------------------ private: const elfio& elf_file; S* dynamic_section; }; using dynamic_section_accessor = dynamic_section_accessor_template
; using const_dynamic_section_accessor = dynamic_section_accessor_template; } // namespace ELFIO #endif // ELFIO_DYNAMIC_HPP /*** End of inlined file: elfio_dynamic.hpp ***/ /*** Start of inlined file: elfio_modinfo.hpp ***/ #ifndef ELFIO_MODINFO_HPP #define ELFIO_MODINFO_HPP #include #include namespace ELFIO { //------------------------------------------------------------------------------ template class modinfo_section_accessor_template { public: //------------------------------------------------------------------------------ modinfo_section_accessor_template( S* section_ ) : modinfo_section( section_ ) { process_section(); } //------------------------------------------------------------------------------ Elf_Word get_attribute_num() const { return (Elf_Word)content.size(); } //------------------------------------------------------------------------------ bool get_attribute( Elf_Word no, std::string& field, std::string& value ) const { if ( no < content.size() ) { field = content[no].first; value = content[no].second; return true; } return false; } //------------------------------------------------------------------------------ bool get_attribute( std::string field_name, std::string& value ) const { for ( auto i = content.begin(); i != content.end(); i++ ) { if ( field_name == i->first ) { value = i->second; return true; } } return false; } //------------------------------------------------------------------------------ Elf_Word add_attribute( std::string field, std::string value ) { Elf_Word current_position = 0; if ( modinfo_section ) { // Strings are addeded to the end of the current section data current_position = (Elf_Word)modinfo_section->get_size(); std::string attribute = field + "=" + value; modinfo_section->append_data( attribute + '\0' ); content.push_back( std::pair( field, value ) ); } return current_position; } //------------------------------------------------------------------------------ private: void process_section() { const char* pdata = modinfo_section->get_data(); if ( pdata ) { ELFIO::Elf_Xword i = 0; while ( i < modinfo_section->get_size() ) { while ( i < modinfo_section->get_size() && !pdata[i] ) i++; if ( i < modinfo_section->get_size() ) { std::string info = pdata + i; size_t loc = info.find( '=' ); std::pair attribute( info.substr( 0, loc ), info.substr( loc + 1 ) ); content.push_back( attribute ); i += info.length(); } } } } //------------------------------------------------------------------------------ private: S* modinfo_section; std::vector> content; }; using modinfo_section_accessor = modinfo_section_accessor_template
; using const_modinfo_section_accessor = modinfo_section_accessor_template; } // namespace ELFIO #endif // ELFIO_MODINFO_HPP /*** End of inlined file: elfio_modinfo.hpp ***/ #ifdef _MSC_VER #pragma warning( pop ) #endif #endif // ELFIO_HPP /*** End of inlined file: elfio.hpp ***/ namespace ELFIO { static struct class_table_t { const char key; const char* str; } class_table[] = { { ELFCLASS32, "ELF32" }, { ELFCLASS64, "ELF64" }, }; static struct endian_table_t { const char key; const char* str; } endian_table[] = { { ELFDATANONE, "None" }, { ELFDATA2LSB, "Little endian" }, { ELFDATA2MSB, "Big endian" }, }; static struct version_table_t { const Elf64_Word key; const char* str; } version_table[] = { { EV_NONE, "None" }, { EV_CURRENT, "Current" }, }; static struct type_table_t { const Elf32_Half key; const char* str; } type_table[] = { { ET_NONE, "No file type" }, { ET_REL, "Relocatable file" }, { ET_EXEC, "Executable file" }, { ET_DYN, "Shared object file" }, { ET_CORE, "Core file" }, }; static struct machine_table_t { const Elf64_Half key; const char* str; } machine_table[] = { { EM_NONE, "No machine" }, { EM_M32, "AT&T WE 32100" }, { EM_SPARC, "SUN SPARC" }, { EM_386, "Intel 80386" }, { EM_68K, "Motorola m68k family" }, { EM_88K, "Motorola m88k family" }, { EM_486, "Intel 80486// Reserved for future use" }, { EM_860, "Intel 80860" }, { EM_MIPS, "MIPS R3000 (officially, big-endian only)" }, { EM_S370, "IBM System/370" }, { EM_MIPS_RS3_LE, "MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated" }, { EM_res011, "Reserved" }, { EM_res012, "Reserved" }, { EM_res013, "Reserved" }, { EM_res014, "Reserved" }, { EM_PARISC, "HPPA" }, { EM_res016, "Reserved" }, { EM_VPP550, "Fujitsu VPP500" }, { EM_SPARC32PLUS, "Sun's v8plus" }, { EM_960, "Intel 80960" }, { EM_PPC, "PowerPC" }, { EM_PPC64, "64-bit PowerPC" }, { EM_S390, "IBM S/390" }, { EM_SPU, "Sony/Toshiba/IBM SPU" }, { EM_res024, "Reserved" }, { EM_res025, "Reserved" }, { EM_res026, "Reserved" }, { EM_res027, "Reserved" }, { EM_res028, "Reserved" }, { EM_res029, "Reserved" }, { EM_res030, "Reserved" }, { EM_res031, "Reserved" }, { EM_res032, "Reserved" }, { EM_res033, "Reserved" }, { EM_res034, "Reserved" }, { EM_res035, "Reserved" }, { EM_V800, "NEC V800 series" }, { EM_FR20, "Fujitsu FR20" }, { EM_RH32, "TRW RH32" }, { EM_MCORE, "Motorola M*Core // May also be taken by Fujitsu MMA" }, { EM_RCE, "Old name for MCore" }, { EM_ARM, "ARM" }, { EM_OLD_ALPHA, "Digital Alpha" }, { EM_SH, "Renesas (formerly Hitachi) / SuperH SH" }, { EM_SPARCV9, "SPARC v9 64-bit" }, { EM_TRICORE, "Siemens Tricore embedded processor" }, { EM_ARC, "ARC Cores" }, { EM_H8_300, "Renesas (formerly Hitachi) H8/300" }, { EM_H8_300H, "Renesas (formerly Hitachi) H8/300H" }, { EM_H8S, "Renesas (formerly Hitachi) H8S" }, { EM_H8_500, "Renesas (formerly Hitachi) H8/500" }, { EM_IA_64, "Intel IA-64 Processor" }, { EM_MIPS_X, "Stanford MIPS-X" }, { EM_COLDFIRE, "Motorola Coldfire" }, { EM_68HC12, "Motorola M68HC12" }, { EM_MMA, "Fujitsu Multimedia Accelerator" }, { EM_PCP, "Siemens PCP" }, { EM_NCPU, "Sony nCPU embedded RISC processor" }, { EM_NDR1, "Denso NDR1 microprocesspr" }, { EM_STARCORE, "Motorola Star*Core processor" }, { EM_ME16, "Toyota ME16 processor" }, { EM_ST100, "STMicroelectronics ST100 processor" }, { EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor" }, { EM_X86_64, "Advanced Micro Devices X86-64 processor" }, { EM_PDSP, "Sony DSP Processor" }, { EM_PDP10, "Digital Equipment Corp. PDP-10" }, { EM_PDP11, "Digital Equipment Corp. PDP-11" }, { EM_FX66, "Siemens FX66 microcontroller" }, { EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller" }, { EM_ST7, "STMicroelectronics ST7 8-bit microcontroller" }, { EM_68HC16, "Motorola MC68HC16 Microcontroller" }, { EM_68HC11, "Motorola MC68HC11 Microcontroller" }, { EM_68HC08, "Motorola MC68HC08 Microcontroller" }, { EM_68HC05, "Motorola MC68HC05 Microcontroller" }, { EM_SVX, "Silicon Graphics SVx" }, { EM_ST19, "STMicroelectronics ST19 8-bit cpu" }, { EM_VAX, "Digital VAX" }, { EM_CRIS, "Axis Communications 32-bit embedded processor" }, { EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu" }, { EM_FIREPATH, "Element 14 64-bit DSP processor" }, { EM_ZSP, "LSI Logic's 16-bit DSP processor" }, { EM_MMIX, "Donald Knuth's educational 64-bit processor" }, { EM_HUANY, "Harvard's machine-independent format" }, { EM_PRISM, "SiTera Prism" }, { EM_AVR, "Atmel AVR 8-bit microcontroller" }, { EM_FR30, "Fujitsu FR30" }, { EM_D10V, "Mitsubishi D10V" }, { EM_D30V, "Mitsubishi D30V" }, { EM_V850, "NEC v850" }, { EM_M32R, "Renesas M32R (formerly Mitsubishi M32R)" }, { EM_MN10300, "Matsushita MN10300" }, { EM_MN10200, "Matsushita MN10200" }, { EM_PJ, "picoJava" }, { EM_OPENRISC, "OpenRISC 32-bit embedded processor" }, { EM_ARC_A5, "ARC Cores Tangent-A5" }, { EM_XTENSA, "Tensilica Xtensa Architecture" }, { EM_VIDEOCORE, "Alphamosaic VideoCore processor" }, { EM_TMM_GPP, "Thompson Multimedia General Purpose Processor" }, { EM_NS32K, "National Semiconductor 32000 series" }, { EM_TPC, "Tenor Network TPC processor" }, { EM_SNP1K, "Trebia SNP 1000 processor" }, { EM_ST200, "STMicroelectronics ST200 microcontroller" }, { EM_IP2K, "Ubicom IP2022 micro controller" }, { EM_MAX, "MAX Processor" }, { EM_CR, "National Semiconductor CompactRISC" }, { EM_F2MC16, "Fujitsu F2MC16" }, { EM_MSP430, "TI msp430 micro controller" }, { EM_BLACKFIN, "ADI Blackfin" }, { EM_SE_C33, "S1C33 Family of Seiko Epson processors" }, { EM_SEP, "Sharp embedded microprocessor" }, { EM_ARCA, "Arca RISC Microprocessor" }, { EM_UNICORE, "Microprocessor series from PKU-Unity Ltd. and MPRC of " "Peking University" }, { EM_EXCESS, "eXcess: 16/32/64-bit configurable embedded CPU" }, { EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor" }, { EM_ALTERA_NIOS2, "Altera Nios II soft-core processor" }, { EM_CRX, "National Semiconductor CRX" }, { EM_XGATE, "Motorola XGATE embedded processor" }, { EM_C166, "Infineon C16x/XC16x processor" }, { EM_M16C, "Renesas M16C series microprocessors" }, { EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller" }, { EM_CE, "Freescale Communication Engine RISC core" }, { EM_M32C, "Renesas M32C series microprocessors" }, { EM_res121, "Reserved" }, { EM_res122, "Reserved" }, { EM_res123, "Reserved" }, { EM_res124, "Reserved" }, { EM_res125, "Reserved" }, { EM_res126, "Reserved" }, { EM_res127, "Reserved" }, { EM_res128, "Reserved" }, { EM_res129, "Reserved" }, { EM_res130, "Reserved" }, { EM_TSK3000, "Altium TSK3000 core" }, { EM_RS08, "Freescale RS08 embedded processor" }, { EM_res133, "Reserved" }, { EM_ECOG2, "Cyan Technology eCOG2 microprocessor" }, { EM_SCORE, "Sunplus Score" }, { EM_SCORE7, "Sunplus S+core7 RISC processor" }, { EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor" }, { EM_VIDEOCORE3, "Broadcom VideoCore III processor" }, { EM_LATTICEMICO32, "RISC processor for Lattice FPGA architecture" }, { EM_SE_C17, "Seiko Epson C17 family" }, { EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family" }, { EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family" }, { EM_TI_C5500, "Texas Instruments TMS320C55x DSP family" }, { EM_res143, "Reserved" }, { EM_res144, "Reserved" }, { EM_res145, "Reserved" }, { EM_res146, "Reserved" }, { EM_res147, "Reserved" }, { EM_res148, "Reserved" }, { EM_res149, "Reserved" }, { EM_res150, "Reserved" }, { EM_res151, "Reserved" }, { EM_res152, "Reserved" }, { EM_res153, "Reserved" }, { EM_res154, "Reserved" }, { EM_res155, "Reserved" }, { EM_res156, "Reserved" }, { EM_res157, "Reserved" }, { EM_res158, "Reserved" }, { EM_res159, "Reserved" }, { EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor" }, { EM_CYPRESS_M8C, "Cypress M8C microprocessor" }, { EM_R32C, "Renesas R32C series microprocessors" }, { EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family" }, { EM_QDSP6, "QUALCOMM DSP6 Processor" }, { EM_8051, "Intel 8051 and variants" }, { EM_STXP7X, "STMicroelectronics STxP7x family" }, { EM_NDS32, "Andes Technology compact code size embedded RISC processor family" }, { EM_ECOG1, "Cyan Technology eCOG1X family" }, { EM_ECOG1X, "Cyan Technology eCOG1X family" }, { EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core Micro-controllers" }, { EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor" }, { EM_MANIK, "M2000 Reconfigurable RISC Microprocessor" }, { EM_CRAYNV2, "Cray Inc. NV2 vector architecture" }, { EM_RX, "Renesas RX family" }, { EM_METAG, "Imagination Technologies META processor architecture" }, { EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture" }, { EM_ECOG16, "Cyan Technology eCOG16 family" }, { EM_CR16, "National Semiconductor CompactRISC 16-bit processor" }, { EM_ETPU, "Freescale Extended Time Processing Unit" }, { EM_SLE9X, "Infineon Technologies SLE9X core" }, { EM_L1OM, "Intel L1OM" }, { EM_INTEL181, "Reserved by Intel" }, { EM_INTEL182, "Reserved by Intel" }, { EM_res183, "Reserved by ARM" }, { EM_res184, "Reserved by ARM" }, { EM_AVR32, "Atmel Corporation 32-bit microprocessor family" }, { EM_STM8, "STMicroeletronics STM8 8-bit microcontroller" }, { EM_TILE64, "Tilera TILE64 multicore architecture family" }, { EM_TILEPRO, "Tilera TILEPro multicore architecture family" }, { EM_MICROBLAZE, "Xilinx MicroBlaze 32-bit RISC soft processor core" }, { EM_CUDA, "NVIDIA CUDA architecture " }, }; static struct section_type_table_t { const Elf64_Half key; const char* str; } section_type_table[] = { { SHT_NULL, "NULL" }, { SHT_PROGBITS, "PROGBITS" }, { SHT_SYMTAB, "SYMTAB" }, { SHT_STRTAB, "STRTAB" }, { SHT_RELA, "RELA" }, { SHT_HASH, "HASH" }, { SHT_DYNAMIC, "DYNAMIC" }, { SHT_NOTE, "NOTE" }, { SHT_NOBITS, "NOBITS" }, { SHT_REL, "REL" }, { SHT_SHLIB, "SHLIB" }, { SHT_DYNSYM, "DYNSYM" }, { SHT_INIT_ARRAY, "INIT_ARRAY" }, { SHT_FINI_ARRAY, "FINI_ARRAY" }, { SHT_PREINIT_ARRAY, "PREINIT_ARRAY" }, { SHT_GROUP, "GROUP" }, { SHT_SYMTAB_SHNDX, "SYMTAB_SHNDX " }, }; static struct segment_type_table_t { const Elf_Word key; const char* str; } segment_type_table[] = { { PT_NULL, "NULL" }, { PT_LOAD, "LOAD" }, { PT_DYNAMIC, "DYNAMIC" }, { PT_INTERP, "INTERP" }, { PT_NOTE, "NOTE" }, { PT_SHLIB, "SHLIB" }, { PT_PHDR, "PHDR" }, { PT_TLS, "TLS" }, }; static struct segment_flag_table_t { const Elf_Word key; const char* str; } segment_flag_table[] = { { 0, "" }, { 1, "X" }, { 2, "W" }, { 3, "WX" }, { 4, "R" }, { 5, "RX" }, { 6, "RW" }, { 7, "RWX" }, }; static struct symbol_bind_t { const Elf_Word key; const char* str; } symbol_bind_table[] = { { STB_LOCAL, "LOCAL" }, { STB_GLOBAL, "GLOBAL" }, { STB_WEAK, "WEAK" }, { STB_LOOS, "LOOS" }, { STB_HIOS, "HIOS" }, { STB_MULTIDEF, "MULTIDEF" }, { STB_LOPROC, "LOPROC" }, { STB_HIPROC, "HIPROC" }, }; static struct symbol_type_t { const Elf_Word key; const char* str; } symbol_type_table[] = { { STT_NOTYPE, "NOTYPE" }, { STT_OBJECT, "OBJECT" }, { STT_FUNC, "FUNC" }, { STT_SECTION, "SECTION" }, { STT_FILE, "FILE" }, { STT_COMMON, "COMMON" }, { STT_TLS, "TLS" }, { STT_LOOS, "LOOS" }, { STT_HIOS, "HIOS" }, { STT_LOPROC, "LOPROC" }, { STT_HIPROC, "HIPROC" }, }; static struct dynamic_tag_t { const Elf_Word key; const char* str; } dynamic_tag_table[] = { { DT_NULL, "NULL" }, { DT_NEEDED, "NEEDED" }, { DT_PLTRELSZ, "PLTRELSZ" }, { DT_PLTGOT, "PLTGOT" }, { DT_HASH, "HASH" }, { DT_STRTAB, "STRTAB" }, { DT_SYMTAB, "SYMTAB" }, { DT_RELA, "RELA" }, { DT_RELASZ, "RELASZ" }, { DT_RELAENT, "RELAENT" }, { DT_STRSZ, "STRSZ" }, { DT_SYMENT, "SYMENT" }, { DT_INIT, "INIT" }, { DT_FINI, "FINI" }, { DT_SONAME, "SONAME" }, { DT_RPATH, "RPATH" }, { DT_SYMBOLIC, "SYMBOLIC" }, { DT_REL, "REL" }, { DT_RELSZ, "RELSZ" }, { DT_RELENT, "RELENT" }, { DT_PLTREL, "PLTREL" }, { DT_DEBUG, "DEBUG" }, { DT_TEXTREL, "TEXTREL" }, { DT_JMPREL, "JMPREL" }, { DT_BIND_NOW, "BIND_NOW" }, { DT_INIT_ARRAY, "INIT_ARRAY" }, { DT_FINI_ARRAY, "FINI_ARRAY" }, { DT_INIT_ARRAYSZ, "INIT_ARRAYSZ" }, { DT_FINI_ARRAYSZ, "FINI_ARRAYSZ" }, { DT_RUNPATH, "RUNPATH" }, { DT_FLAGS, "FLAGS" }, { DT_ENCODING, "ENCODING" }, { DT_PREINIT_ARRAY, "PREINIT_ARRAY" }, { DT_PREINIT_ARRAYSZ, "PREINIT_ARRAYSZ" }, { DT_MAXPOSTAGS, "MAXPOSTAGS" }, }; static const ELFIO::Elf_Xword MAX_DATA_ENTRIES = 64; //------------------------------------------------------------------------------ class dump { #define DUMP_DEC_FORMAT( width ) \ std::setw( width ) << std::setfill( ' ' ) << std::dec << std::right #define DUMP_HEX_FORMAT( width ) \ std::setw( width ) << std::setfill( '0' ) << std::hex << std::right #define DUMP_STR_FORMAT( width ) \ std::setw( width ) << std::setfill( ' ' ) << std::hex << std::left public: //------------------------------------------------------------------------------ static void header( std::ostream& out, const elfio& reader ) { if ( !reader.get_header_size() ) { return; } out << "ELF Header" << std::endl << std::endl << " Class: " << str_class( reader.get_class() ) << std::endl << " Encoding: " << str_endian( reader.get_encoding() ) << std::endl << " ELFVersion: " << str_version( reader.get_elf_version() ) << std::endl << " Type: " << str_type( reader.get_type() ) << std::endl << " Machine: " << str_machine( reader.get_machine() ) << std::endl << " Version: " << str_version( reader.get_version() ) << std::endl << " Entry: " << "0x" << std::hex << reader.get_entry() << std::endl << " Flags: " << "0x" << std::hex << reader.get_flags() << std::endl << std::endl; } //------------------------------------------------------------------------------ static void section_headers( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.sections.size(); if ( n == 0 ) { return; } out << "Section Headers:" << std::endl; if ( reader.get_class() == ELFCLASS32 ) { // Output for 32-bit out << "[ Nr ] Type Addr Size ES Flg Lk Inf " "Al Name" << std::endl; } else { // Output for 64-bit out << "[ Nr ] Type Addr Size " " ES Flg" << std::endl << " Lk Inf Al Name" << std::endl; } for ( Elf_Half i = 0; i < n; ++i ) { // For all sections section* sec = reader.sections[i]; section_header( out, i, sec, reader.get_class() ); } out << "Key to Flags: W (write), A (alloc), X (execute)\n\n" << std::endl; } //------------------------------------------------------------------------------ static void section_header( std::ostream& out, Elf_Half no, const section* sec, unsigned char elf_class ) { std::ios_base::fmtflags original_flags = out.flags(); if ( elf_class == ELFCLASS32 ) { // Output for 32-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_STR_FORMAT( 17 ) << str_section_type( sec->get_type() ) << " " << DUMP_HEX_FORMAT( 8 ) << sec->get_address() << " " << DUMP_HEX_FORMAT( 8 ) << sec->get_size() << " " << DUMP_HEX_FORMAT( 2 ) << sec->get_entry_size() << " " << DUMP_STR_FORMAT( 3 ) << section_flags( sec->get_flags() ) << " " << DUMP_HEX_FORMAT( 2 ) << sec->get_link() << " " << DUMP_HEX_FORMAT( 3 ) << sec->get_info() << " " << DUMP_HEX_FORMAT( 2 ) << sec->get_addr_align() << " " << DUMP_STR_FORMAT( 17 ) << sec->get_name() << " " << std::endl; } else { // Output for 64-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_STR_FORMAT( 17 ) << str_section_type( sec->get_type() ) << " " << DUMP_HEX_FORMAT( 16 ) << sec->get_address() << " " << DUMP_HEX_FORMAT( 16 ) << sec->get_size() << " " << DUMP_HEX_FORMAT( 4 ) << sec->get_entry_size() << " " << DUMP_STR_FORMAT( 3 ) << section_flags( sec->get_flags() ) << " " << std::endl << " " << DUMP_HEX_FORMAT( 4 ) << sec->get_link() << " " << DUMP_HEX_FORMAT( 4 ) << sec->get_info() << " " << DUMP_HEX_FORMAT( 4 ) << sec->get_addr_align() << " " << DUMP_STR_FORMAT( 17 ) << sec->get_name() << " " << std::endl; } out.flags( original_flags ); return; } //------------------------------------------------------------------------------ static void segment_headers( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.segments.size(); if ( n == 0 ) { return; } out << "Segment headers:" << std::endl; if ( reader.get_class() == ELFCLASS32 ) { // Output for 32-bit out << "[ Nr ] Type VirtAddr PhysAddr FileSize Mem.Size " "Flags Align" << std::endl; } else { // Output for 64-bit out << "[ Nr ] Type VirtAddr PhysAddr " "Flags" << std::endl << " FileSize Mem.Size " "Align" << std::endl; } for ( Elf_Half i = 0; i < n; ++i ) { segment* seg = reader.segments[i]; segment_header( out, i, seg, reader.get_class() ); } out << std::endl; } //------------------------------------------------------------------------------ static void segment_header( std::ostream& out, Elf_Half no, const segment* seg, unsigned int elf_class ) { std::ios_base::fmtflags original_flags = out.flags(); if ( elf_class == ELFCLASS32 ) { // Output for 32-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_STR_FORMAT( 14 ) << str_segment_type( seg->get_type() ) << " " << DUMP_HEX_FORMAT( 8 ) << seg->get_virtual_address() << " " << DUMP_HEX_FORMAT( 8 ) << seg->get_physical_address() << " " << DUMP_HEX_FORMAT( 8 ) << seg->get_file_size() << " " << DUMP_HEX_FORMAT( 8 ) << seg->get_memory_size() << " " << DUMP_STR_FORMAT( 8 ) << str_segment_flag( seg->get_flags() ) << " " << DUMP_HEX_FORMAT( 8 ) << seg->get_align() << " " << std::endl; } else { // Output for 64-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_STR_FORMAT( 14 ) << str_segment_type( seg->get_type() ) << " " << DUMP_HEX_FORMAT( 16 ) << seg->get_virtual_address() << " " << DUMP_HEX_FORMAT( 16 ) << seg->get_physical_address() << " " << DUMP_STR_FORMAT( 16 ) << str_segment_flag( seg->get_flags() ) << " " << std::endl << " " << DUMP_HEX_FORMAT( 16 ) << seg->get_file_size() << " " << DUMP_HEX_FORMAT( 16 ) << seg->get_memory_size() << " " << DUMP_HEX_FORMAT( 16 ) << seg->get_align() << " " << std::endl; } out.flags( original_flags ); } //------------------------------------------------------------------------------ static void symbol_tables( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.sections.size(); for ( Elf_Half i = 0; i < n; ++i ) { // For all sections section* sec = reader.sections[i]; if ( SHT_SYMTAB == sec->get_type() || SHT_DYNSYM == sec->get_type() ) { symbol_section_accessor symbols( reader, sec ); Elf_Xword sym_no = symbols.get_symbols_num(); if ( sym_no > 0 ) { out << "Symbol table (" << sec->get_name() << ")" << std::endl; if ( reader.get_class() == ELFCLASS32 ) { // Output for 32-bit out << "[ Nr ] Value Size Type Bind " "Sect Name" << std::endl; } else { // Output for 64-bit out << "[ Nr ] Value Size Type " " Bind Sect" << std::endl << " Name" << std::endl; } for ( Elf_Xword i = 0; i < sym_no; ++i ) { std::string name; Elf64_Addr value = 0; Elf_Xword size = 0; unsigned char bind = 0; unsigned char type = 0; Elf_Half section = 0; unsigned char other = 0; symbols.get_symbol( i, name, value, size, bind, type, section, other ); symbol_table( out, i, name, value, size, bind, type, section, reader.get_class() ); } out << std::endl; } } } } //------------------------------------------------------------------------------ static void symbol_table( std::ostream& out, Elf_Xword no, std::string& name, Elf64_Addr value, Elf_Xword size, unsigned char bind, unsigned char type, Elf_Half section, unsigned int elf_class ) { std::ios_base::fmtflags original_flags = out.flags(); if ( elf_class == ELFCLASS32 ) { // Output for 32-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_HEX_FORMAT( 8 ) << value << " " << DUMP_HEX_FORMAT( 8 ) << size << " " << DUMP_STR_FORMAT( 7 ) << str_symbol_type( type ) << " " << DUMP_STR_FORMAT( 8 ) << str_symbol_bind( bind ) << " " << DUMP_DEC_FORMAT( 5 ) << section << " " << DUMP_STR_FORMAT( 1 ) << name << " " << std::endl; } else { // Output for 64-bit out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_HEX_FORMAT( 16 ) << value << " " << DUMP_HEX_FORMAT( 16 ) << size << " " << DUMP_STR_FORMAT( 7 ) << str_symbol_type( type ) << " " << DUMP_STR_FORMAT( 8 ) << str_symbol_bind( bind ) << " " << DUMP_DEC_FORMAT( 5 ) << section << " " << std::endl << " " << DUMP_STR_FORMAT( 1 ) << name << " " << std::endl; } out.flags( original_flags ); } //------------------------------------------------------------------------------ static void notes( std::ostream& out, const elfio& reader ) { Elf_Half no = reader.sections.size(); for ( Elf_Half i = 0; i < no; ++i ) { // For all sections section* sec = reader.sections[i]; if ( SHT_NOTE == sec->get_type() ) { // Look at notes note_section_accessor notes( reader, sec ); Elf_Word no_notes = notes.get_notes_num(); if ( no > 0 ) { out << "Note section (" << sec->get_name() << ")" << std::endl << " No Type Name" << std::endl; for ( Elf_Word j = 0; j < no_notes; ++j ) { // For all notes Elf_Word type; std::string name; void* desc; Elf_Word descsz; if ( notes.get_note( j, type, name, desc, descsz ) ) { // 'name' usually contains \0 at the end. Try to fix it name = name.c_str(); note( out, j, type, name ); } } out << std::endl; } } } } //------------------------------------------------------------------------------ static void modinfo( std::ostream& out, const elfio& reader ) { Elf_Half no = reader.sections.size(); for ( Elf_Half i = 0; i < no; ++i ) { // For all sections section* sec = reader.sections[i]; if ( ".modinfo" == sec->get_name() ) { // Look for the section out << "Section .modinfo" << std::endl; const_modinfo_section_accessor modinfo( sec ); for ( Elf_Word i = 0; i < modinfo.get_attribute_num(); i++ ) { std::string field; std::string value; if ( modinfo.get_attribute( i, field, value ) ) { out << " " << std::setw( 20 ) << field << std::setw( 0 ) << " = " << value << std::endl; } } out << std::endl; break; } } } //------------------------------------------------------------------------------ static void note( std::ostream& out, int no, Elf_Word type, const std::string& name ) { out << " [" << DUMP_DEC_FORMAT( 2 ) << no << "] " << DUMP_HEX_FORMAT( 8 ) << type << " " << DUMP_STR_FORMAT( 1 ) << name << std::endl; } //------------------------------------------------------------------------------ static void dynamic_tags( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.sections.size(); for ( Elf_Half i = 0; i < n; ++i ) { // For all sections section* sec = reader.sections[i]; if ( SHT_DYNAMIC == sec->get_type() ) { dynamic_section_accessor dynamic( reader, sec ); Elf_Xword dyn_no = dynamic.get_entries_num(); if ( dyn_no > 0 ) { out << "Dynamic section (" << sec->get_name() << ")" << std::endl; out << "[ Nr ] Tag Name/Value" << std::endl; for ( Elf_Xword i = 0; i < dyn_no; ++i ) { Elf_Xword tag = 0; Elf_Xword value = 0; std::string str; dynamic.get_entry( i, tag, value, str ); dynamic_tag( out, i, tag, value, str, reader.get_class() ); if ( DT_NULL == tag ) { break; } } out << std::endl; } } } } //------------------------------------------------------------------------------ static void dynamic_tag( std::ostream& out, Elf_Xword no, Elf_Xword tag, Elf_Xword value, std::string str, unsigned int /*elf_class*/ ) { out << "[" << DUMP_DEC_FORMAT( 5 ) << no << "] " << DUMP_STR_FORMAT( 16 ) << str_dynamic_tag( tag ) << " "; if ( str.empty() ) { out << DUMP_HEX_FORMAT( 16 ) << value << " "; } else { out << DUMP_STR_FORMAT( 32 ) << str << " "; } out << std::endl; } //------------------------------------------------------------------------------ static void section_data( std::ostream& out, const section* sec ) { std::ios_base::fmtflags original_flags = out.flags(); out << sec->get_name() << std::endl; const char* pdata = sec->get_data(); if ( pdata ) { ELFIO::Elf_Xword i; for ( i = 0; i < std::min( sec->get_size(), MAX_DATA_ENTRIES ); ++i ) { if ( i % 16 == 0 ) { out << "[" << DUMP_HEX_FORMAT( 8 ) << i << "]"; } out << " " << DUMP_HEX_FORMAT( 2 ) << ( pdata[i] & 0x000000FF ); if ( i % 16 == 15 ) { out << std::endl; } } if ( i % 16 != 0 ) { out << std::endl; } out.flags( original_flags ); } return; } //------------------------------------------------------------------------------ static void section_datas( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.sections.size(); if ( n == 0 ) { return; } out << "Section Data:" << std::endl; for ( Elf_Half i = 1; i < n; ++i ) { // For all sections section* sec = reader.sections[i]; if ( sec->get_type() == SHT_NOBITS ) { continue; } section_data( out, sec ); } out << std::endl; } //------------------------------------------------------------------------------ static void segment_data( std::ostream& out, Elf_Half no, const segment* seg ) { std::ios_base::fmtflags original_flags = out.flags(); out << "Segment # " << no << std::endl; const char* pdata = seg->get_data(); if ( pdata ) { ELFIO::Elf_Xword i; for ( i = 0; i < std::min( seg->get_file_size(), MAX_DATA_ENTRIES ); ++i ) { if ( i % 16 == 0 ) { out << "[" << DUMP_HEX_FORMAT( 8 ) << i << "]"; } out << " " << DUMP_HEX_FORMAT( 2 ) << ( pdata[i] & 0x000000FF ); if ( i % 16 == 15 ) { out << std::endl; } } if ( i % 16 != 0 ) { out << std::endl; } out.flags( original_flags ); } return; } //------------------------------------------------------------------------------ static void segment_datas( std::ostream& out, const elfio& reader ) { Elf_Half n = reader.segments.size(); if ( n == 0 ) { return; } out << "Segment Data:" << std::endl; for ( Elf_Half i = 0; i < n; ++i ) { // For all sections segment* seg = reader.segments[i]; segment_data( out, i, seg ); } out << std::endl; } private: //------------------------------------------------------------------------------ template std::string static find_value_in_table( const T& table, const K& key ) { std::string res = "?"; for ( unsigned int i = 0; i < sizeof( table ) / sizeof( table[0] ); ++i ) { if ( table[i].key == key ) { res = table[i].str; break; } } return res; } //------------------------------------------------------------------------------ template static std::string format_assoc( const T& table, const K& key ) { std::string str = find_value_in_table( table, key ); if ( str == "?" ) { std::ostringstream oss; oss << str << " (0x" << std::hex << key << ")"; str = oss.str(); } return str; } //------------------------------------------------------------------------------ template static std::string format_assoc( const T& table, const char key ) { return format_assoc( table, (const int)key ); } //------------------------------------------------------------------------------ static std::string section_flags( Elf_Xword flags ) { std::string ret = ""; if ( flags & SHF_WRITE ) { ret += "W"; } if ( flags & SHF_ALLOC ) { ret += "A"; } if ( flags & SHF_EXECINSTR ) { ret += "X"; } return ret; } //------------------------------------------------------------------------------ #define STR_FUNC_TABLE( name ) \ template static std::string str_##name( const T key ) \ { \ return format_assoc( name##_table, key ); \ } STR_FUNC_TABLE( class ) STR_FUNC_TABLE( endian ) STR_FUNC_TABLE( version ) STR_FUNC_TABLE( type ) STR_FUNC_TABLE( machine ) STR_FUNC_TABLE( section_type ) STR_FUNC_TABLE( segment_type ) STR_FUNC_TABLE( segment_flag ) STR_FUNC_TABLE( symbol_bind ) STR_FUNC_TABLE( symbol_type ) STR_FUNC_TABLE( dynamic_tag ) #undef STR_FUNC_TABLE #undef DUMP_DEC_FORMAT #undef DUMP_HEX_FORMAT #undef DUMP_STR_FORMAT }; // class dump }; // namespace ELFIO #endif // ELFIO_DUMP_HPP /*** End of inlined file: elfio_dump.hpp ***/