2012-06-22 15:54:41 +04:00
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/*
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* Copyright 2001, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*
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* Copyright 2002-2011, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT license.
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*/
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#ifndef _ELF_COMMON_H
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#define _ELF_COMMON_H
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#include <SupportDefs.h>
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#include <ByteOrder.h>
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#include <arch_elf.h>
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/*** ELF header ***/
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#define EI_NIDENT 16
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#define ELF_MAGIC "\x7f""ELF"
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// e_ident[] indices
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#define EI_MAG0 0
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#define EI_MAG1 1
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#define EI_MAG2 2
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#define EI_MAG3 3
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#define EI_CLASS 4
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#define EI_DATA 5
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#define EI_VERSION 6
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#define EI_PAD 7
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// e_machine (Architecture)
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#define EM_NONE 0 // No machine
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#define EM_M32 1 // AT&T WE 32100
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#define EM_SPARC 2 // Sparc
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#define EM_386 3 // Intel 80386
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#define EM_68K 4 // Motorola m68k family
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#define EM_88K 5 // Motorola m88k family
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#define EM_486 6 // Intel 80486, Reserved for future use
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#define EM_860 7 // Intel 80860
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#define EM_MIPS 8 // MIPS R3000 (officially, big-endian only)
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#define EM_S370 9 // IBM System/370
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#define EM_MIPS_RS3_LE 10 // MIPS R3000 little-endian, Deprecated
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#define EM_PARISC 15 // HPPA
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#define EM_VPP550 17 // Fujitsu VPP500
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#define EM_SPARC32PLUS 18 // Sun "v8plus"
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#define EM_960 19 // Intel 80960
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#define EM_PPC 20 // PowerPC
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#define EM_PPC64 21 // 64-bit PowerPC
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#define EM_S390 22 // IBM S/390
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#define EM_V800 36 // NEC V800 series
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#define EM_FR20 37 // Fujitsu FR20
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#define EM_RH32 38 // TRW RH32
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#define EM_MCORE 39 // Motorola M*Core
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#define EM_RCE 39 // Old name for MCore
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#define EM_ARM 40 // ARM
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#define EM_OLD_ALPHA 41 // Digital Alpha
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#define EM_SH 42 // Renesas / SuperH SH
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#define EM_SPARCV9 43 // SPARC v9 64-bit
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#define EM_TRICORE 44 // Siemens Tricore embedded processor
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#define EM_ARC 45 // ARC Cores
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#define EM_H8_300 46 // Renesas H8/300
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#define EM_H8_300H 47 // Renesas H8/300H
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#define EM_H8S 48 // Renesas H8S
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#define EM_H8_500 49 // Renesas H8/500
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#define EM_IA_64 50 // Intel IA-64 Processor
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#define EM_MIPS_X 51 // Stanford MIPS-X
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#define EM_COLDFIRE 52 // Motorola Coldfire
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#define EM_68HC12 53 // Motorola M68HC12
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#define EM_MMA 54 // Fujitsu Multimedia Accelerator
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#define EM_PCP 55 // Siemens PCP
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#define EM_NCPU 56 // Sony nCPU embedded RISC processor
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#define EM_NDR1 57 // Denso NDR1 microprocesspr
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#define EM_STARCORE 58 // Motorola Star*Core processor
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#define EM_ME16 59 // Toyota ME16 processor
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#define EM_ST100 60 // STMicroelectronics ST100 processor
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#define EM_TINYJ 61 // Advanced Logic Corp. TinyJ embedded processor
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#define EM_X86_64 62 // Advanced Micro Devices X86-64 processor
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// architecture class (EI_CLASS)
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#define ELFCLASS32 1
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#define ELFCLASS64 2
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// endian (EI_DATA)
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#define ELFDATA2LSB 1 /* little endian */
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#define ELFDATA2MSB 2 /* big endian */
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/*** section header ***/
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// special section indices
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#define SHN_UNDEF 0
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#define SHN_LORESERVE 0xff00
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#define SHN_LOPROC 0xff00
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#define SHN_HIPROC 0xff1f
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#define SHN_ABS 0xfff1
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#define SHN_COMMON 0xfff2
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#define SHN_HIRESERVE 0xffff
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// section header type
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_GNU_verdef 0x6ffffffd /* version definition section */
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#define SHT_GNU_verneed 0x6ffffffe /* version needs section */
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#define SHT_GNU_versym 0x6fffffff /* version symbol table */
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#define SHT_LOPROC 0x70000000
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#define SHT_HIPROC 0x7fffffff
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xffffffff
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// section header flags
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#define SHF_WRITE 1
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#define SHF_ALLOC 2
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#define SHF_EXECINSTR 4
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#define SHF_MASKPROC 0xf0000000
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/*** program header ***/
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// program header segment types
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2014-09-02 20:14:27 +04:00
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#define PT_NULL 0
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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#define PT_TLS 7
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#define PT_STACK 0x6474e551
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#define PT_RELRO 0x6474e552
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#define PT_LOPROC 0x70000000
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#define PT_ARM_UNWIND 0x70000001
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#define PT_HIPROC 0x7fffffff
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2012-06-22 15:54:41 +04:00
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// program header segment flags
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#define PF_EXECUTE 0x1
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#define PF_WRITE 0x2
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#define PF_READ 0x4
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#define PF_PROTECTION_MASK (PF_EXECUTE | PF_WRITE | PF_READ)
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#define PF_MASKPROC 0xf0000000
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#define STT_NOTYPE 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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2014-05-04 04:33:14 +04:00
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#define STT_TLS 6
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2012-06-22 15:54:41 +04:00
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#define STT_LOPROC 13
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#define STT_HIPROC 15
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#define STB_LOCAL 0
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STB_LOPROC 13
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#define STB_HIPROC 15
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#define STN_UNDEF 0
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#define DT_NULL 0
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#define DT_NEEDED 1
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#define DT_PLTRELSZ 2
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#define DT_PLTGOT 3
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#define DT_HASH 4
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#define DT_STRTAB 5
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#define DT_SYMTAB 6
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#define DT_RELA 7
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#define DT_RELASZ 8
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#define DT_RELAENT 9
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#define DT_STRSZ 10
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#define DT_SYMENT 11
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#define DT_INIT 12
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#define DT_FINI 13
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#define DT_SONAME 14
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#define DT_RPATH 15
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#define DT_SYMBOLIC 16
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#define DT_REL 17
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#define DT_RELSZ 18
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#define DT_RELENT 19
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#define DT_PLTREL 20
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#define DT_DEBUG 21
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#define DT_TEXTREL 22
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#define DT_JMPREL 23
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#define DT_BIND_NOW 24 /* no lazy binding */
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#define DT_INIT_ARRAY 25 /* init function array */
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#define DT_FINI_ARRAY 26 /* termination function array */
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#define DT_INIT_ARRAYSZ 27 /* init function array size */
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#define DT_FINI_ARRAYSZ 28 /* termination function array size */
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#define DT_RUNPATH 29 /* library search path (supersedes DT_RPATH) */
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#define DT_FLAGS 30 /* flags (see below) */
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#define DT_ENCODING 32
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#define DT_PREINIT_ARRAY 32 /* preinitialization array */
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#define DT_PREINIT_ARRAYSZ 33 /* preinitialization array size */
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#define DT_VERSYM 0x6ffffff0 /* symbol version table */
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#define DT_VERDEF 0x6ffffffc /* version definition table */
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#define DT_VERDEFNUM 0x6ffffffd /* number of version definitions */
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#define DT_VERNEED 0x6ffffffe /* table with needed versions */
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#define DT_VERNEEDNUM 0x6fffffff /* number of needed versions */
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#define DT_LOPROC 0x70000000
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#define DT_HIPROC 0x7fffffff
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/* DT_FLAGS values */
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#define DF_ORIGIN 0x01
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#define DF_SYMBOLIC 0x02
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#define DF_TEXTREL 0x04
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#define DF_BIND_NOW 0x08
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#define DF_STATIC_TLS 0x10
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/* version definition section */
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/* values for vd_version (version revision) */
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#define VER_DEF_NONE 0 /* no version */
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#define VER_DEF_CURRENT 1 /* current version */
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#define VER_DEF_NUM 2 /* given version number */
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/* values for vd_flags (version information flags) */
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#define VER_FLG_BASE 0x1 /* version definition of file itself */
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#define VER_FLG_WEAK 0x2 /* weak version identifier */
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/* values for versym symbol index */
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#define VER_NDX_LOCAL 0 /* symbol is local */
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#define VER_NDX_GLOBAL 1 /* symbol is global/unversioned */
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#define VER_NDX_INITIAL 2 /* initial version -- that's the one given
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to symbols when a library becomes
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versioned; handled by the linker (and
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runtime loader) similar to
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VER_NDX_GLOBAL */
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#define VER_NDX_LORESERVE 0xff00 /* beginning of reserved entries */
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#define VER_NDX_ELIMINATE 0xff01 /* symbol is to be eliminated */
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#define VER_NDX_FLAG_HIDDEN 0x8000 /* flag: version is hidden */
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#define VER_NDX_MASK 0x7fff /* mask to get the actual version index */
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#define VER_NDX(x) ((x) & VER_NDX_MASK)
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/* version dependency section */
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/* values for vn_version (version revision) */
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#define VER_NEED_NONE 0 /* no version */
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#define VER_NEED_CURRENT 1 /* current version */
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#define VER_NEED_NUM 2 /* given version number */
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/* auxiliary needed version information */
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/* values for vna_flags */
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#define VER_FLG_WEAK 0x2 /* weak version identifier */
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2012-07-09 14:11:38 +04:00
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// Determine the correct ELF types to use for the architecture
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#if B_HAIKU_64_BIT
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# define _ELF_TYPE(type) Elf64_##type
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#else
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# define _ELF_TYPE(type) Elf32_##type
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#endif
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#define DEFINE_ELF_TYPE(type, name) \
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struct _ELF_TYPE(type); \
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2012-07-09 17:35:01 +04:00
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typedef struct _ELF_TYPE(type) name
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2012-07-09 14:11:38 +04:00
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DEFINE_ELF_TYPE(Ehdr, elf_ehdr);
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DEFINE_ELF_TYPE(Phdr, elf_phdr);
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DEFINE_ELF_TYPE(Shdr, elf_shdr);
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DEFINE_ELF_TYPE(Sym, elf_sym);
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DEFINE_ELF_TYPE(Dyn, elf_dyn);
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DEFINE_ELF_TYPE(Rel, elf_rel);
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DEFINE_ELF_TYPE(Rela, elf_rela);
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DEFINE_ELF_TYPE(Verdef, elf_verdef);
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DEFINE_ELF_TYPE(Verdaux, elf_verdaux);
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DEFINE_ELF_TYPE(Verneed, elf_verneed);
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DEFINE_ELF_TYPE(Vernaux, elf_vernaux);
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#undef DEFINE_ELF_TYPE
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#undef _ELF_TYPE
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typedef uint16 elf_versym;
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#if B_HAIKU_64_BIT
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# define ELF_CLASS ELFCLASS64
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#else
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# define ELF_CLASS ELFCLASS32
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#endif
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2012-06-22 15:54:41 +04:00
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#endif /* _ELF_COMMON_H_ */
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