/* ELF support for BFD.

Copyright (C) 1991-2016 Free Software Foundation, Inc.

Written by Fred Fish @ Cygnus Support, from information published

in "UNIX System V Release 4, Programmers Guide: ANSI C and

Programming Support Tools".

This file is part of BFD, the Binary File Descriptor library.

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

MA 02110-1301, USA. */

/* This file is part of ELF support for BFD, and contains the portions

that are common to both the internal and external representations.

For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)

and external (in-file) representations. */

#ifndef _ELF_COMMON_H

#define _ELF_COMMON_H

/* Fields in e_ident[]. */

#define EI_MAG0 0 /* File identification byte 0 index */

#define ELFMAG0 0x7F /* Magic number byte 0 */

#define EI_MAG1 1 /* File identification byte 1 index */

#define ELFMAG1 'E' /* Magic number byte 1 */

#define EI_MAG2 2 /* File identification byte 2 index */

#define ELFMAG2 'L' /* Magic number byte 2 */

#define EI_MAG3 3 /* File identification byte 3 index */

#define ELFMAG3 'F' /* Magic number byte 3 */

#define EI_CLASS 4 /* File class */

#define ELFCLASSNONE 0 /* Invalid class */

#define ELFCLASS32 1 /* 32-bit objects */

#define ELFCLASS64 2 /* 64-bit objects */

#define EI_DATA 5 /* Data encoding */

#define ELFDATANONE 0 /* Invalid data encoding */

#define ELFDATA2LSB 1 /* 2's complement, little endian */

#define ELFDATA2MSB 2 /* 2's complement, big endian */

#define EI_VERSION 6 /* File version */

#define EI_OSABI 7 /* Operating System/ABI indication */

#define ELFOSABI_NONE 0 /* UNIX System V ABI */

#define ELFOSABI_HPUX 1 /* HP-UX operating system */

#define ELFOSABI_NETBSD 2 /* NetBSD */

#define ELFOSABI_GNU 3 /* GNU */

#define ELFOSABI_LINUX 3 /* Alias for ELFOSABI_GNU */

#define ELFOSABI_SOLARIS 6 /* Solaris */

#define ELFOSABI_AIX 7 /* AIX */

#define ELFOSABI_IRIX 8 /* IRIX */

#define ELFOSABI_FREEBSD 9 /* FreeBSD */

#define ELFOSABI_TRU64 10 /* TRU64 UNIX */

#define ELFOSABI_MODESTO 11 /* Novell Modesto */

#define ELFOSABI_OPENBSD 12 /* OpenBSD */

#define ELFOSABI_OPENVMS 13 /* OpenVMS */

#define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */

#define ELFOSABI_AROS 15 /* AROS */

#define ELFOSABI_FENIXOS 16 /* FenixOS */

#define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */

#define ELFOSABI_OPENVOS 18 /* Stratus Technologies OpenVOS */

#define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */

#define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */

#define ELFOSABI_ARM 97 /* ARM */

#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */

#define EI_ABIVERSION 8 /* ABI version */

#define EI_PAD 9 /* Start of padding bytes */

/* Values for e_type, which identifies the object file type. */

#define ET_NONE 0 /* No file type */

#define ET_REL 1 /* Relocatable file */

#define ET_EXEC 2 /* Executable file */

#define ET_DYN 3 /* Shared object file */

#define ET_CORE 4 /* Core file */

#define ET_LOOS 0xFE00 /* Operating system-specific */

#define ET_HIOS 0xFEFF /* Operating system-specific */

#define ET_LOPROC 0xFF00 /* Processor-specific */

#define ET_HIPROC 0xFFFF /* Processor-specific */

/* Values for e_machine, which identifies the architecture. These numbers

are officially assigned by registry@sco.com. See below for a list of

ad-hoc numbers used during initial development. */

#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_IAMCU 6 /* Intel MCU */

#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 microprocessor */

#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 /* Renesas V850 (formerly 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_OR1K 92 /* OpenRISC 1000 32-bit embedded processor */

#define EM_ARC_COMPACT 93 /* ARC International ARCompact processor */

#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_K1OM 181 /* Intel K1OM */

#define EM_INTEL182 182 /* Reserved by Intel */

#define EM_AARCH64 183 /* ARM 64-bit architecture */

#define EM_ARM184 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_78K0R 199 /* Renesas 78K0R. */

#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 /* Bluechip Systems 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 */

/* If it is necessary to assign new unofficial EM_* values, please pick large

random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision

with official or non-GNU unofficial values.

NOTE: Do not just increment the most recent number by one.

Somebody else somewhere will do exactly the same thing, and you

will have a collision. Instead, pick a random number.

Normally, each entity or maintainer responsible for a machine with an

unofficial e_machine number should eventually ask registry@sco.com for

an officially blessed number to be added to the list above. */

/* Old version of Sparc v9, from before the ABI;

This should be removed shortly. */

#define EM_OLD_SPARCV9 11

/* Old version of PowerPC, this should be removed shortly. */

#define EM_PPC_OLD 17

/* picoJava */

#define EM_PJ_OLD 99

/* Old, unofficial value for National Semiconductor CompactRISC - CR16 */

#define EM_CR16_OLD 115

/* AVR magic number. Written in the absense of an ABI. */

#define EM_AVR_OLD 0x1057

/* MSP430 magic number. Written in the absense of everything. */

#define EM_MSP430_OLD 0x1059

/* Morpho MT. Written in the absense of an ABI. */

#define EM_MT 0x2530

/* FR30 magic number - no EABI available. */

#define EM_CYGNUS_FR30 0x3330

/* DLX magic number. Written in the absense of an ABI. */

#define EM_DLX 0x5aa5

/* FRV magic number - no EABI available??. */

#define EM_CYGNUS_FRV 0x5441

/* Infineon Technologies 16-bit microcontroller with C166-V2 core. */

#define EM_XC16X 0x4688

/* D10V backend magic number. Written in the absence of an ABI. */

#define EM_CYGNUS_D10V 0x7650

/* D30V backend magic number. Written in the absence of an ABI. */

#define EM_CYGNUS_D30V 0x7676

/* Ubicom IP2xxx; Written in the absense of an ABI. */

#define EM_IP2K_OLD 0x8217

/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */

#define EM_CYGNUS_POWERPC 0x9025

/* Alpha backend magic number. Written in the absence of an ABI. */

#define EM_ALPHA 0x9026

/* Cygnus M32R ELF backend. Written in the absence of an ABI. */

#define EM_CYGNUS_M32R 0x9041

/* V850 backend magic number. Written in the absense of an ABI. */

#define EM_CYGNUS_V850 0x9080

/* old S/390 backend magic number. Written in the absence of an ABI. */

#define EM_S390_OLD 0xa390

/* Old, unofficial value for Xtensa. */

#define EM_XTENSA_OLD 0xabc7

#define EM_XSTORMY16 0xad45

/* mn10200 and mn10300 backend magic numbers.

Written in the absense of an ABI. */

#define EM_CYGNUS_MN10300 0xbeef

#define EM_CYGNUS_MN10200 0xdead

/* Renesas M32C and M16C. */

#define EM_M32C_OLD 0xFEB0

/* Vitesse IQ2000. */

#define EM_IQ2000 0xFEBA

/* NIOS magic number - no EABI available. */

#define EM_NIOS32 0xFEBB

#define EM_CYGNUS_MEP 0xF00D /* Toshiba MeP */

/* Old, unofficial value for Moxie. */

#define EM_MOXIE_OLD 0xFEED

/* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI. */

#define EM_SCORE_OLD 95

#define EM_MICROBLAZE_OLD 0xbaab /* Old MicroBlaze */

#define EM_ADAPTEVA_EPIPHANY 0x1223 /* Adapteva's Epiphany architecture. */

/* Old constant that might be in use by some software. */

#define EM_OPENRISC EM_OR1K

/* See the above comment before you add a new EM_* value here. */

/* Values for e_version. */

#define EV_NONE 0 /* Invalid ELF version */

#define EV_CURRENT 1 /* Current version */

/* Value for e_phnum. */

#define PN_XNUM 0xffff /* Extended numbering */

/* Values for program header, p_type field. */

#define PT_NULL 0 /* Program header table entry unused */

#define PT_LOAD 1 /* Loadable program segment */

#define PT_DYNAMIC 2 /* Dynamic linking information */

#define PT_INTERP 3 /* Program interpreter */

#define PT_NOTE 4 /* Auxiliary information */

#define PT_SHLIB 5 /* Reserved, unspecified semantics */

#define PT_PHDR 6 /* Entry for header table itself */

#define PT_TLS 7 /* Thread local storage segment */

#define PT_LOOS 0x60000000 /* OS-specific */

#define PT_HIOS 0x6fffffff /* OS-specific */

#define PT_LOPROC 0x70000000 /* Processor-specific */

#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */

#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */

#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */

#define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */

#define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */

/* Program segment permissions, in program header p_flags field. */

#define PF_X (1 << 0) /* Segment is executable */

#define PF_W (1 << 1) /* Segment is writable */

#define PF_R (1 << 2) /* Segment is readable */

/* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */

#define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */

#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */

/* Values for section header, sh_type field. */

#define SHT_NULL 0 /* Section header table entry unused */

#define SHT_PROGBITS 1 /* Program specific (private) data */

#define SHT_SYMTAB 2 /* Link editing symbol table */

#define SHT_STRTAB 3 /* A string table */

#define SHT_RELA 4 /* Relocation entries with addends */

#define SHT_HASH 5 /* A symbol hash table */

#define SHT_DYNAMIC 6 /* Information for dynamic linking */

#define SHT_NOTE 7 /* Information that marks file */

#define SHT_NOBITS 8 /* Section occupies no space in file */

#define SHT_REL 9 /* Relocation entries, no addends */

#define SHT_SHLIB 10 /* Reserved, unspecified semantics */

#define SHT_DYNSYM 11 /* Dynamic linking symbol table */

#define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */

#define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */

#define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */

#define SHT_GROUP 17 /* Section contains a section group */

#define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */

#define SHT_LOOS 0x60000000 /* First of OS specific semantics */

#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */

#define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */

#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */

#define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */

#define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */

/* The next three section types are defined by Solaris, and are named

SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*

versions. */

#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */

#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */

#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */

#define SHT_GNU_verdef SHT_SUNW_verdef

#define SHT_GNU_verneed SHT_SUNW_verneed

#define SHT_GNU_versym SHT_SUNW_versym

#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */

#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */

#define SHT_LOUSER 0x80000000 /* Application-specific semantics */

/* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */

#define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */

/* Values for section header, sh_flags field. */

#define SHF_WRITE (1 << 0) /* Writable data during execution */

#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */

#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */

#define SHF_MERGE (1 << 4) /* Data in this section can be merged */

#define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */

#define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */

#define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */

#define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */

#define SHF_GROUP (1 << 9) /* Member of a section group */

#define SHF_TLS (1 << 10) /* Thread local storage section */

#define SHF_COMPRESSED (1 << 11) /* Section with compressed data */

/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */

#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */

#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */

/* This used to be implemented as a processor specific section flag.

We just make it generic. */

#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude

/* Compression types. */

#define ELFCOMPRESS_ZLIB 1 /* Compressed with zlib. */

#define ELFCOMPRESS_LOOS 0x60000000 /* OS-specific semantics, lo */

#define ELFCOMPRESS_HIOS 0x6FFFFFFF /* OS-specific semantics, hi */

#define ELFCOMPRESS_LOPROC 0x70000000 /* Processor-specific semantics, lo */

#define ELFCOMPRESS_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */

/* Values of note segment descriptor types for core files. */

#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */

#define NT_FPREGSET 2 /* Contains copy of fpregset struct */

#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */

#define NT_TASKSTRUCT 4 /* Contains copy of task struct */

#define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */

#define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */

/* note name must be "LINUX". */

#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */

/* note name must be "LINUX". */

#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */

/* note name must be "LINUX". */

#define NT_386_TLS 0x200 /* x86 TLS information */

/* note name must be "LINUX". */

#define NT_386_IOPERM 0x201 /* x86 io permissions */

/* note name must be "LINUX". */

#define NT_X86_XSTATE 0x202 /* x86 XSAVE extended state */

/* note name must be "LINUX". */

#define NT_S390_HIGH_GPRS 0x300 /* S/390 upper halves of GPRs */

/* note name must be "LINUX". */

#define NT_S390_TIMER 0x301 /* S390 timer */

/* note name must be "LINUX". */

#define NT_S390_TODCMP 0x302 /* S390 TOD clock comparator */

/* note name must be "LINUX". */

#define NT_S390_TODPREG 0x303 /* S390 TOD programmable register */

/* note name must be "LINUX". */

#define NT_S390_CTRS 0x304 /* S390 control registers */

/* note name must be "LINUX". */

#define NT_S390_PREFIX 0x305 /* S390 prefix register */

/* note name must be "LINUX". */

#define NT_S390_LAST_BREAK 0x306 /* S390 breaking event address */

/* note name must be "LINUX". */

#define NT_S390_SYSTEM_CALL 0x307 /* S390 system call restart data */

/* note name must be "LINUX". */

#define NT_S390_TDB 0x308 /* S390 transaction diagnostic block */

/* note name must be "LINUX". */

#define NT_S390_VXRS_LOW 0x309 /* S390 vector registers 0-15 upper half */

/* note name must be "LINUX". */

#define NT_S390_VXRS_HIGH 0x30a /* S390 vector registers 16-31 */

/* note name must be "LINUX". */

#define NT_ARM_VFP 0x400 /* ARM VFP registers */

/* The following definitions should really use NT_AARCH_..., but defined

this way for compatibility with Linux. */

#define NT_ARM_TLS 0x401 /* AArch TLS registers */

/* note name must be "LINUX". */

#define NT_ARM_HW_BREAK 0x402 /* AArch hardware breakpoint registers */

/* note name must be "LINUX". */

#define NT_ARM_HW_WATCH 0x403 /* AArch hardware watchpoint registers */

/* note name must be "LINUX". */

#define NT_SIGINFO 0x53494749 /* Fields of siginfo_t. */

#define NT_FILE 0x46494c45 /* Description of mapped files. */

/* Note segments for core files on dir-style procfs systems. */

#define NT_PSTATUS 10 /* Has a struct pstatus */

#define NT_FPREGS 12 /* Has a struct fpregset */

#define NT_PSINFO 13 /* Has a struct psinfo */

#define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */

#define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */

#define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */

/* Note segment for SystemTap probes. */

#define NT_STAPSDT 3

/* Note segments for core files on FreeBSD systems. Note name is

"FreeBSD". */

#define NT_FREEBSD_THRMISC 7 /* Thread miscellaneous info. */

#define NT_FREEBSD_PROCSTAT_PROC 8 /* Procstat proc data. */

#define NT_FREEBSD_PROCSTAT_FILES 9 /* Procstat files data. */

#define NT_FREEBSD_PROCSTAT_VMMAP 10 /* Procstat vmmap data. */

#define NT_FREEBSD_PROCSTAT_GROUPS 11 /* Procstat groups data. */

#define NT_FREEBSD_PROCSTAT_UMASK 12 /* Procstat umask data. */

#define NT_FREEBSD_PROCSTAT_RLIMIT 13 /* Procstat rlimit data. */

#define NT_FREEBSD_PROCSTAT_OSREL 14 /* Procstat osreldate data. */

#define NT_FREEBSD_PROCSTAT_PSSTRINGS 15 /* Procstat ps_strings data. */

#define NT_FREEBSD_PROCSTAT_AUXV 16 /* Procstat auxv data. */

/* Note segments for core files on NetBSD systems. Note name

must start with "NetBSD-CORE". */

#define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */

#define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */

/* Note segments for core files on OpenBSD systems. Note name is

"OpenBSD". */

#define NT_OPENBSD_PROCINFO 10

#define NT_OPENBSD_AUXV 11

#define NT_OPENBSD_REGS 20

#define NT_OPENBSD_FPREGS 21

#define NT_OPENBSD_XFPREGS 22

#define NT_OPENBSD_WCOOKIE 23

/* Note segments for core files on SPU systems. Note name

must start with "SPU/". */

#define NT_SPU 1

/* Values of note segment descriptor types for object files. */

#define NT_VERSION 1 /* Contains a version string. */

#define NT_ARCH 2 /* Contains an architecture string. */

/* Values for notes in non-core files using name "GNU". */

#define NT_GNU_ABI_TAG 1

#define NT_GNU_HWCAP 2 /* Used by ld.so and kernel vDSO. */

#define NT_GNU_BUILD_ID 3 /* Generated by ld --build-id. */

#define NT_GNU_GOLD_VERSION 4 /* Generated by gold. */

/* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG). */

#define GNU_ABI_TAG_LINUX 0

#define GNU_ABI_TAG_HURD 1

#define GNU_ABI_TAG_SOLARIS 2

#define GNU_ABI_TAG_FREEBSD 3

#define GNU_ABI_TAG_NETBSD 4

#define GNU_ABI_TAG_SYLLABLE 5

#define GNU_ABI_TAG_NACL 6

/* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */

#define NT_NETBSD_IDENT 1

#define NT_NETBSD_MARCH 5

/* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */

#define NT_OPENBSD_IDENT 1

/* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */

#define NT_FREEBSD_ABI_TAG 1

/* These three macros disassemble and assemble a symbol table st_info field,

which contains the symbol binding and symbol type. The STB_ and STT_

defines identify the binding and type. */

#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)

#define ELF_ST_TYPE(val) ((val) & 0xF)

#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))

/* The 64bit and 32bit versions of these macros are identical, but

the ELF spec defines them, so here they are. */

#define ELF32_ST_BIND ELF_ST_BIND

#define ELF32_ST_TYPE ELF_ST_TYPE

#define ELF32_ST_INFO ELF_ST_INFO

#define ELF64_ST_BIND ELF_ST_BIND

#define ELF64_ST_TYPE ELF_ST_TYPE

#define ELF64_ST_INFO ELF_ST_INFO

/* This macro disassembles and assembles a symbol's visibility into

the st_other field. The STV_ defines specify the actual visibility. */

#define ELF_ST_VISIBILITY(v) ((v) & 0x3)

/* The remaining bits in the st_other field are not currently used.

They should be set to zero. */

#define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY

#define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY

#define STN_UNDEF 0 /* Undefined symbol index */

#define STB_LOCAL 0 /* Symbol not visible outside obj */

#define STB_GLOBAL 1 /* Symbol visible outside obj */

#define STB_WEAK 2 /* Like globals, lower precedence */

#define STB_LOOS 10 /* OS-specific semantics */

#define STB_GNU_UNIQUE 10 /* Symbol is unique in namespace */

#define STB_HIOS 12 /* OS-specific semantics */

#define STB_LOPROC 13 /* Processor-specific semantics */

#define STB_HIPROC 15 /* Processor-specific semantics */

#define STT_NOTYPE 0 /* Symbol type is unspecified */

#define STT_OBJECT 1 /* Symbol is a data object */

#define STT_FUNC 2 /* Symbol is a code object */

#define STT_SECTION 3 /* Symbol associated with a section */

#define STT_FILE 4 /* Symbol gives a file name */

#define STT_COMMON 5 /* An uninitialised common block */

#define STT_TLS 6 /* Thread local data object */

#define STT_RELC 8 /* Complex relocation expression */

#define STT_SRELC 9 /* Signed Complex relocation expression */

#define STT_LOOS 10 /* OS-specific semantics */

#define STT_GNU_IFUNC 10 /* Symbol is an indirect code object */

#define STT_HIOS 12 /* OS-specific semantics */

#define STT_LOPROC 13 /* Processor-specific semantics */

#define STT_HIPROC 15 /* Processor-specific semantics */

/* The following constants control how a symbol may be accessed once it has

become part of an executable or shared library. */

#define STV_DEFAULT 0 /* Visibility is specified by binding type */

#define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */

#define STV_HIDDEN 2 /* Can only be seen inside currect component */

#define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */

/* Relocation info handling macros. */

#define ELF32_R_SYM(i) ((i) >> 8)

#define ELF32_R_TYPE(i) ((i) & 0xff)

#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))

#define ELF64_R_SYM(i) ((i) >> 32)

#define ELF64_R_TYPE(i) ((i) & 0xffffffff)

#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))

/* Dynamic section 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_SYMTAB_SHNDX 34

/* Note, the Oct 4, 1999 draft of the ELF ABI changed the values

for DT_LOOS and DT_HIOS. Some implementations however, use

values outside of the new range (see below). */

#define OLD_DT_LOOS 0x60000000

#define DT_LOOS 0x6000000d

#define DT_HIOS 0x6ffff000

#define OLD_DT_HIOS 0x6fffffff

#define DT_LOPROC 0x70000000

#define DT_HIPROC 0x7fffffff

/* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to

DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),

are used on Solaris. We support them everywhere. Note these values

lie outside of the (new) range for OS specific values. This is a

deliberate special case and we maintain it for backwards compatability.

*/

#define DT_VALRNGLO 0x6ffffd00

#define DT_GNU_PRELINKED 0x6ffffdf5

#define DT_GNU_CONFLICTSZ 0x6ffffdf6

#define DT_GNU_LIBLISTSZ 0x6ffffdf7

#define DT_CHECKSUM 0x6ffffdf8

#define DT_PLTPADSZ 0x6ffffdf9

#define DT_MOVEENT 0x6ffffdfa

#define DT_MOVESZ 0x6ffffdfb

#define DT_FEATURE 0x6ffffdfc

#define DT_POSFLAG_1 0x6ffffdfd

#define DT_SYMINSZ 0x6ffffdfe

#define DT_SYMINENT 0x6ffffdff

#define DT_VALRNGHI 0x6ffffdff

#define DT_ADDRRNGLO 0x6ffffe00

#define DT_GNU_HASH 0x6ffffef5

#define DT_TLSDESC_PLT 0x6ffffef6

#define DT_TLSDESC_GOT 0x6ffffef7

#define DT_GNU_CONFLICT 0x6ffffef8

#define DT_GNU_LIBLIST 0x6ffffef9

#define DT_CONFIG 0x6ffffefa

#define DT_DEPAUDIT 0x6ffffefb

#define DT_AUDIT 0x6ffffefc

#define DT_PLTPAD 0x6ffffefd

#define DT_MOVETAB 0x6ffffefe

#define DT_SYMINFO 0x6ffffeff

#define DT_ADDRRNGHI 0x6ffffeff

#define DT_RELACOUNT 0x6ffffff9

#define DT_RELCOUNT 0x6ffffffa

#define DT_FLAGS_1 0x6ffffffb

#define DT_VERDEF 0x6ffffffc

#define DT_VERDEFNUM 0x6ffffffd

#define DT_VERNEED 0x6ffffffe

#define DT_VERNEEDNUM 0x6fffffff

/* This tag is a GNU extension to the Solaris version scheme. */

#define DT_VERSYM 0x6ffffff0

#define DT_LOPROC 0x70000000

#define DT_HIPROC 0x7fffffff

/* These section tags are used on Solaris. We support them

everywhere, and hope they do not conflict. */

#define DT_AUXILIARY 0x7ffffffd

#define DT_USED 0x7ffffffe

#define DT_FILTER 0x7fffffff

/* Values used in DT_FEATURE .dynamic entry. */

#define DTF_1_PARINIT 0x00000001

/* From

http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1

DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value

defined here is the same as the one in <sys/link.h> on Solaris 8. */

#define DTF_1_CONFEXP 0x00000002

/* Flag values used in the DT_POSFLAG_1 .dynamic entry. */

#define DF_P1_LAZYLOAD 0x00000001

#define DF_P1_GROUPPERM 0x00000002

/* Flag value in in the DT_FLAGS_1 .dynamic entry. */

#define DF_1_NOW 0x00000001

#define DF_1_GLOBAL 0x00000002

#define DF_1_GROUP 0x00000004

#define DF_1_NODELETE 0x00000008

#define DF_1_LOADFLTR 0x00000010

#define DF_1_INITFIRST 0x00000020

#define DF_1_NOOPEN 0x00000040

#define DF_1_ORIGIN 0x00000080

#define DF_1_DIRECT 0x00000100

#define DF_1_TRANS 0x00000200

#define DF_1_INTERPOSE 0x00000400

#define DF_1_NODEFLIB 0x00000800

#define DF_1_NODUMP 0x00001000

#define DF_1_CONFALT 0x00002000

#define DF_1_ENDFILTEE 0x00004000

#define DF_1_DISPRELDNE 0x00008000

#define DF_1_DISPRELPND 0x00010000

#define DF_1_NODIRECT 0x00020000

#define DF_1_IGNMULDEF 0x00040000

#define DF_1_NOKSYMS 0x00080000

#define DF_1_NOHDR 0x00100000

#define DF_1_EDITED 0x00200000

#define DF_1_NORELOC 0x00400000

#define DF_1_SYMINTPOSE 0x00800000

#define DF_1_GLOBAUDIT 0x01000000

#define DF_1_SINGLETON 0x02000000

#define DF_1_STUB 0x04000000

#define DF_1_PIE 0x08000000

/* Flag values for the DT_FLAGS entry. */

#define DF_ORIGIN (1 << 0)

#define DF_SYMBOLIC (1 << 1)

#define DF_TEXTREL (1 << 2)

#define DF_BIND_NOW (1 << 3)

#define DF_STATIC_TLS (1 << 4)

/* These constants are used for the version number of a Elf32_Verdef

structure. */

#define VER_DEF_NONE 0

#define VER_DEF_CURRENT 1

/* These constants appear in the vd_flags field of a Elf32_Verdef

structure.

Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,

Versioning Sections, for a description:

http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */

#define VER_FLG_BASE 0x1

#define VER_FLG_WEAK 0x2

#define VER_FLG_INFO 0x4

/* These special constants can be found in an Elf32_Versym field. */

#define VER_NDX_LOCAL 0

#define VER_NDX_GLOBAL 1

/* These constants are used for the version number of a Elf32_Verneed

structure. */

#define VER_NEED_NONE 0

#define VER_NEED_CURRENT 1

/* This flag appears in a Versym structure. It means that the symbol

is hidden, and is only visible with an explicit version number.

This is a GNU extension. */

#define VERSYM_HIDDEN 0x8000

/* This is the mask for the rest of the Versym information. */

#define VERSYM_VERSION 0x7fff

/* This is a special token which appears as part of a symbol name. It

indictes that the rest of the name is actually the name of a

version node, and is not part of the actual name. This is a GNU

extension. For example, the symbol name `stat@ver2' is taken to

mean the symbol `stat' in version `ver2'. */

#define ELF_VER_CHR '@'

/* Possible values for si_boundto. */

#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */

#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */

#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */

/* Possible bitmasks for si_flags. */

#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */

#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */

#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */

#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */

/* Syminfo version values. */

#define SYMINFO_NONE 0

#define SYMINFO_CURRENT 1

#define SYMINFO_NUM 2

/* Section Group Flags. */

#define GRP_COMDAT 0x1 /* A COMDAT group */

#define GRP_MASKOS 0x0ff00000 /* Bits in this range reserved for OS specific use. */

#define GRP_MASKPROC 0xf0000000 /* Bits in this range reserved for processor use. */

/* Auxv a_type values. */

#define AT_NULL 0 /* End of vector */

#define AT_IGNORE 1 /* Entry should be ignored */

#define AT_EXECFD 2 /* File descriptor of program */

#define AT_PHDR 3 /* Program headers for program */

#define AT_PHENT 4 /* Size of program header entry */