| /* |
| * Derived from: |
| * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.1 2005/12/30 22:13:58 marcel Exp $ |
| * $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.1 2005/12/30 22:13:58 marcel Exp $ |
| * $FreeBSD: src/sys/sys/elf_common.h,v 1.15.8.1 2005/12/30 22:13:58 marcel Exp $ |
| * $FreeBSD: src/sys/alpha/include/elf.h,v 1.14 2003/09/25 01:10:22 peter Exp $ |
| * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $ |
| * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $ |
| * $FreeBSD: src/sys/i386/include/elf.h,v 1.16 2004/08/02 19:12:17 dfr Exp $ |
| * $FreeBSD: src/sys/powerpc/include/elf.h,v 1.7 2004/11/02 09:47:01 ssouhlal Exp $ |
| * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $ |
| * |
| * Copyright (c) 1996-1998 John D. Polstra. All rights reserved. |
| * Copyright (c) 2001 David E. O'Brien |
| * Portions Copyright 2009 The Go Authors. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| */ |
| |
| /* |
| * ELF definitions that are independent of architecture or word size. |
| */ |
| |
| /* |
| * Note header. The ".note" section contains an array of notes. Each |
| * begins with this header, aligned to a word boundary. Immediately |
| * following the note header is n_namesz bytes of name, padded to the |
| * next word boundary. Then comes n_descsz bytes of descriptor, again |
| * padded to a word boundary. The values of n_namesz and n_descsz do |
| * not include the padding. |
| */ |
| |
| typedef struct { |
| uint32 n_namesz; /* Length of name. */ |
| uint32 n_descsz; /* Length of descriptor. */ |
| uint32 n_type; /* Type of this note. */ |
| } Elf_Note; |
| |
| /* Indexes into the e_ident array. Keep synced with |
| http://www.sco.com/developer/gabi/ch4.eheader.html */ |
| #define EI_MAG0 0 /* Magic number, byte 0. */ |
| #define EI_MAG1 1 /* Magic number, byte 1. */ |
| #define EI_MAG2 2 /* Magic number, byte 2. */ |
| #define EI_MAG3 3 /* Magic number, byte 3. */ |
| #define EI_CLASS 4 /* Class of machine. */ |
| #define EI_DATA 5 /* Data format. */ |
| #define EI_VERSION 6 /* ELF format version. */ |
| #define EI_OSABI 7 /* Operating system / ABI identification */ |
| #define EI_ABIVERSION 8 /* ABI version */ |
| #define OLD_EI_BRAND 8 /* Start of architecture identification. */ |
| #define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ |
| #define EI_NIDENT 16 /* Size of e_ident array. */ |
| |
| /* Values for the magic number bytes. */ |
| #define ELFMAG0 0x7f |
| #define ELFMAG1 'E' |
| #define ELFMAG2 'L' |
| #define ELFMAG3 'F' |
| #define ELFMAG "\177ELF" /* magic string */ |
| #define SELFMAG 4 /* magic string size */ |
| |
| /* Values for e_ident[EI_VERSION] and e_version. */ |
| #define EV_NONE 0 |
| #define EV_CURRENT 1 |
| |
| /* Values for e_ident[EI_CLASS]. */ |
| #define ELFCLASSNONE 0 /* Unknown class. */ |
| #define ELFCLASS32 1 /* 32-bit architecture. */ |
| #define ELFCLASS64 2 /* 64-bit architecture. */ |
| |
| /* Values for e_ident[EI_DATA]. */ |
| #define ELFDATANONE 0 /* Unknown data format. */ |
| #define ELFDATA2LSB 1 /* 2's complement little-endian. */ |
| #define ELFDATA2MSB 2 /* 2's complement big-endian. */ |
| |
| /* Values for e_ident[EI_OSABI]. */ |
| #define ELFOSABI_NONE 0 /* UNIX System V ABI */ |
| #define ELFOSABI_HPUX 1 /* HP-UX operating system */ |
| #define ELFOSABI_NETBSD 2 /* NetBSD */ |
| #define ELFOSABI_LINUX 3 /* GNU/Linux */ |
| #define ELFOSABI_HURD 4 /* GNU/Hurd */ |
| #define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ |
| #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 /* Open VMS */ |
| #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ |
| #define ELFOSABI_ARM 97 /* ARM */ |
| #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ |
| |
| #define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */ |
| #define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */ |
| |
| /* e_ident */ |
| #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ |
| (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ |
| (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ |
| (ehdr).e_ident[EI_MAG3] == ELFMAG3) |
| |
| /* Values for e_type. */ |
| #define ET_NONE 0 /* Unknown type. */ |
| #define ET_REL 1 /* Relocatable. */ |
| #define ET_EXEC 2 /* Executable. */ |
| #define ET_DYN 3 /* Shared object. */ |
| #define ET_CORE 4 /* Core file. */ |
| #define ET_LOOS 0xfe00 /* First operating system specific. */ |
| #define ET_HIOS 0xfeff /* Last operating system-specific. */ |
| #define ET_LOPROC 0xff00 /* First processor-specific. */ |
| #define ET_HIPROC 0xffff /* Last processor-specific. */ |
| |
| /* Values for e_machine. */ |
| #define EM_NONE 0 /* Unknown machine. */ |
| #define EM_M32 1 /* AT&T WE32100. */ |
| #define EM_SPARC 2 /* Sun SPARC. */ |
| #define EM_386 3 /* Intel i386. */ |
| #define EM_68K 4 /* Motorola 68000. */ |
| #define EM_88K 5 /* Motorola 88000. */ |
| #define EM_860 7 /* Intel i860. */ |
| #define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */ |
| #define EM_S370 9 /* IBM System/370. */ |
| #define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */ |
| #define EM_PARISC 15 /* HP PA-RISC. */ |
| #define EM_VPP500 17 /* Fujitsu VPP500. */ |
| #define EM_SPARC32PLUS 18 /* SPARC v8plus. */ |
| #define EM_960 19 /* Intel 80960. */ |
| #define EM_PPC 20 /* PowerPC 32-bit. */ |
| #define EM_PPC64 21 /* PowerPC 64-bit. */ |
| #define EM_S390 22 /* IBM System/390. */ |
| #define EM_V800 36 /* NEC V800. */ |
| #define EM_FR20 37 /* Fujitsu FR20. */ |
| #define EM_RH32 38 /* TRW RH-32. */ |
| #define EM_RCE 39 /* Motorola RCE. */ |
| #define EM_ARM 40 /* ARM. */ |
| #define EM_SH 42 /* Hitachi SH. */ |
| #define EM_SPARCV9 43 /* SPARC v9 64-bit. */ |
| #define EM_TRICORE 44 /* Siemens TriCore embedded processor. */ |
| #define EM_ARC 45 /* Argonaut RISC Core. */ |
| #define EM_H8_300 46 /* Hitachi H8/300. */ |
| #define EM_H8_300H 47 /* Hitachi H8/300H. */ |
| #define EM_H8S 48 /* Hitachi H8S. */ |
| #define EM_H8_500 49 /* 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 MMA. */ |
| #define EM_PCP 55 /* Siemens PCP. */ |
| #define EM_NCPU 56 /* Sony nCPU. */ |
| #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 processor. */ |
| #define EM_X86_64 62 /* Advanced Micro Devices x86-64 */ |
| |
| /* Non-standard or deprecated. */ |
| #define EM_486 6 /* Intel i486. */ |
| #define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ |
| #define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */ |
| #define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */ |
| |
| /* Special section indexes. */ |
| #define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ |
| #define SHN_LORESERVE 0xff00 /* First of reserved range. */ |
| #define SHN_LOPROC 0xff00 /* First processor-specific. */ |
| #define SHN_HIPROC 0xff1f /* Last processor-specific. */ |
| #define SHN_LOOS 0xff20 /* First operating system-specific. */ |
| #define SHN_HIOS 0xff3f /* Last operating system-specific. */ |
| #define SHN_ABS 0xfff1 /* Absolute values. */ |
| #define SHN_COMMON 0xfff2 /* Common data. */ |
| #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */ |
| #define SHN_HIRESERVE 0xffff /* Last of reserved range. */ |
| |
| /* sh_type */ |
| #define SHT_NULL 0 /* inactive */ |
| #define SHT_PROGBITS 1 /* program defined information */ |
| #define SHT_SYMTAB 2 /* symbol table section */ |
| #define SHT_STRTAB 3 /* string table section */ |
| #define SHT_RELA 4 /* relocation section with addends */ |
| #define SHT_HASH 5 /* symbol hash table section */ |
| #define SHT_DYNAMIC 6 /* dynamic section */ |
| #define SHT_NOTE 7 /* note section */ |
| #define SHT_NOBITS 8 /* no space section */ |
| #define SHT_REL 9 /* relocation section - no addends */ |
| #define SHT_SHLIB 10 /* reserved - purpose unknown */ |
| #define SHT_DYNSYM 11 /* dynamic symbol table section */ |
| #define SHT_INIT_ARRAY 14 /* Initialization function pointers. */ |
| #define SHT_FINI_ARRAY 15 /* Termination function pointers. */ |
| #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */ |
| #define SHT_GROUP 17 /* Section group. */ |
| #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */ |
| #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ |
| #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ |
| #define SHT_GNU_VERDEF 0x6ffffffd |
| #define SHT_GNU_VERNEED 0x6ffffffe |
| #define SHT_GNU_VERSYM 0x6fffffff |
| #define SHT_LOPROC 0x70000000 /* reserved range for processor */ |
| #define SHT_HIPROC 0x7fffffff /* specific section header types */ |
| #define SHT_LOUSER 0x80000000 /* reserved range for application */ |
| #define SHT_HIUSER 0xffffffff /* specific indexes */ |
| |
| /* Flags for sh_flags. */ |
| #define SHF_WRITE 0x1 /* Section contains writable data. */ |
| #define SHF_ALLOC 0x2 /* Section occupies memory. */ |
| #define SHF_EXECINSTR 0x4 /* Section contains instructions. */ |
| #define SHF_MERGE 0x10 /* Section may be merged. */ |
| #define SHF_STRINGS 0x20 /* Section contains strings. */ |
| #define SHF_INFO_LINK 0x40 /* sh_info holds section index. */ |
| #define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */ |
| #define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */ |
| #define SHF_GROUP 0x200 /* Member of section group. */ |
| #define SHF_TLS 0x400 /* Section contains TLS data. */ |
| #define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */ |
| #define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */ |
| |
| /* Values for p_type. */ |
| #define PT_NULL 0 /* Unused entry. */ |
| #define PT_LOAD 1 /* Loadable segment. */ |
| #define PT_DYNAMIC 2 /* Dynamic linking information segment. */ |
| #define PT_INTERP 3 /* Pathname of interpreter. */ |
| #define PT_NOTE 4 /* Auxiliary information. */ |
| #define PT_SHLIB 5 /* Reserved (not used). */ |
| #define PT_PHDR 6 /* Location of program header itself. */ |
| #define PT_TLS 7 /* Thread local storage segment */ |
| #define PT_LOOS 0x60000000 /* First OS-specific. */ |
| #define PT_HIOS 0x6fffffff /* Last OS-specific. */ |
| #define PT_LOPROC 0x70000000 /* First processor-specific type. */ |
| #define PT_HIPROC 0x7fffffff /* Last processor-specific type. */ |
| #define PT_GNU_STACK 0x6474e551 |
| |
| /* Values for p_flags. */ |
| #define PF_X 0x1 /* Executable. */ |
| #define PF_W 0x2 /* Writable. */ |
| #define PF_R 0x4 /* Readable. */ |
| #define PF_MASKOS 0x0ff00000 /* Operating system-specific. */ |
| #define PF_MASKPROC 0xf0000000 /* Processor-specific. */ |
| |
| /* Values for d_tag. */ |
| #define DT_NULL 0 /* Terminating entry. */ |
| /* String table offset of a needed shared library. */ |
| #define DT_NEEDED 1 |
| #define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ |
| #define DT_PLTGOT 3 /* Processor-dependent address. */ |
| #define DT_HASH 4 /* Address of symbol hash table. */ |
| #define DT_STRTAB 5 /* Address of string table. */ |
| #define DT_SYMTAB 6 /* Address of symbol table. */ |
| #define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ |
| #define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ |
| #define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ |
| #define DT_STRSZ 10 /* Size of string table. */ |
| #define DT_SYMENT 11 /* Size of each symbol table entry. */ |
| #define DT_INIT 12 /* Address of initialization function. */ |
| #define DT_FINI 13 /* Address of finalization function. */ |
| /* String table offset of shared object name. */ |
| #define DT_SONAME 14 |
| #define DT_RPATH 15 /* String table offset of library path. [sup] */ |
| #define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ |
| #define DT_REL 17 /* Address of ElfNN_Rel relocations. */ |
| #define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ |
| #define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ |
| #define DT_PLTREL 20 /* Type of relocation used for PLT. */ |
| #define DT_DEBUG 21 /* Reserved (not used). */ |
| /* Indicates there may be relocations in non-writable segments. [sup] */ |
| #define DT_TEXTREL 22 |
| #define DT_JMPREL 23 /* Address of PLT relocations. */ |
| #define DT_BIND_NOW 24 /* [sup] */ |
| /* Address of the array of pointers to initialization functions */ |
| #define DT_INIT_ARRAY 25 |
| /* Address of the array of pointers to termination functions */ |
| #define DT_FINI_ARRAY 26 |
| /* Size in bytes of the array of initialization functions. */ |
| #define DT_INIT_ARRAYSZ 27 |
| /* Size in bytes of the array of terminationfunctions. */ |
| #define DT_FINI_ARRAYSZ 28 |
| /* String table offset of a null-terminated library search path string. */ |
| #define DT_RUNPATH 29 |
| #define DT_FLAGS 30 /* Object specific flag values. */ |
| /* Values greater than or equal to DT_ENCODING and less than |
| DT_LOOS follow the rules for the interpretation of the d_un |
| union as follows: even == 'd_ptr', even == 'd_val' or none */ |
| #define DT_ENCODING 32 |
| /* Address of the array of pointers to pre-initialization functions. */ |
| #define DT_PREINIT_ARRAY 32 |
| /* Size in bytes of the array of pre-initialization functions. */ |
| #define DT_PREINIT_ARRAYSZ 33 |
| #define DT_LOOS 0x6000000d /* First OS-specific */ |
| #define DT_HIOS 0x6ffff000 /* Last OS-specific */ |
| #define DT_LOPROC 0x70000000 /* First processor-specific type. */ |
| #define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ |
| |
| #define DT_VERNEED 0x6ffffffe |
| #define DT_VERNEEDNUM 0x6fffffff |
| #define DT_VERSYM 0x6ffffff0 |
| |
| /* Values for DT_FLAGS */ |
| /* Indicates that the object being loaded may make reference to |
| the $ORIGIN substitution string */ |
| #define DF_ORIGIN 0x0001 |
| #define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */ |
| /* Indicates there may be relocations in non-writable segments. */ |
| #define DF_TEXTREL 0x0004 |
| /* Indicates that the dynamic linker should process all |
| relocations for the object containing this entry before |
| transferring control to the program. */ |
| #define DF_BIND_NOW 0x0008 |
| /* Indicates that the shared object or executable contains code |
| using a static thread-local storage scheme. */ |
| #define DF_STATIC_TLS 0x0010 |
| |
| /* Values for n_type. Used in core files. */ |
| #define NT_PRSTATUS 1 /* Process status. */ |
| #define NT_FPREGSET 2 /* Floating point registers. */ |
| #define NT_PRPSINFO 3 /* Process state info. */ |
| |
| /* Symbol Binding - ELFNN_ST_BIND - st_info */ |
| #define STB_LOCAL 0 /* Local symbol */ |
| #define STB_GLOBAL 1 /* Global symbol */ |
| #define STB_WEAK 2 /* like global - lower precedence */ |
| #define STB_LOOS 10 /* Reserved range for operating system */ |
| #define STB_HIOS 12 /* specific semantics. */ |
| #define STB_LOPROC 13 /* reserved range for processor */ |
| #define STB_HIPROC 15 /* specific semantics. */ |
| |
| /* Symbol type - ELFNN_ST_TYPE - st_info */ |
| #define STT_NOTYPE 0 /* Unspecified type. */ |
| #define STT_OBJECT 1 /* Data object. */ |
| #define STT_FUNC 2 /* Function. */ |
| #define STT_SECTION 3 /* Section. */ |
| #define STT_FILE 4 /* Source file. */ |
| #define STT_COMMON 5 /* Uninitialized common block. */ |
| #define STT_TLS 6 /* TLS object. */ |
| #define STT_LOOS 10 /* Reserved range for operating system */ |
| #define STT_HIOS 12 /* specific semantics. */ |
| #define STT_LOPROC 13 /* reserved range for processor */ |
| #define STT_HIPROC 15 /* specific semantics. */ |
| |
| /* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ |
| #define STV_DEFAULT 0x0 /* Default visibility (see binding). */ |
| #define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */ |
| #define STV_HIDDEN 0x2 /* Not visible. */ |
| #define STV_PROTECTED 0x3 /* Visible but not preemptible. */ |
| |
| /* Special symbol table indexes. */ |
| #define STN_UNDEF 0 /* Undefined symbol index. */ |
| |
| /* |
| * ELF definitions common to all 32-bit architectures. |
| */ |
| |
| typedef uint32 Elf32_Addr; |
| typedef uint16 Elf32_Half; |
| typedef uint32 Elf32_Off; |
| typedef int32 Elf32_Sword; |
| typedef uint32 Elf32_Word; |
| |
| typedef Elf32_Word Elf32_Hashelt; |
| |
| /* Non-standard class-dependent datatype used for abstraction. */ |
| typedef Elf32_Word Elf32_Size; |
| typedef Elf32_Sword Elf32_Ssize; |
| |
| /* |
| * ELF header. |
| */ |
| |
| typedef struct { |
| unsigned char ident[EI_NIDENT]; /* File identification. */ |
| Elf32_Half type; /* File type. */ |
| Elf32_Half machine; /* Machine architecture. */ |
| Elf32_Word version; /* ELF format version. */ |
| Elf32_Addr entry; /* Entry point. */ |
| Elf32_Off phoff; /* Program header file offset. */ |
| Elf32_Off shoff; /* Section header file offset. */ |
| Elf32_Word flags; /* Architecture-specific flags. */ |
| Elf32_Half ehsize; /* Size of ELF header in bytes. */ |
| Elf32_Half phentsize; /* Size of program header entry. */ |
| Elf32_Half phnum; /* Number of program header entries. */ |
| Elf32_Half shentsize; /* Size of section header entry. */ |
| Elf32_Half shnum; /* Number of section header entries. */ |
| Elf32_Half shstrndx; /* Section name strings section. */ |
| } Elf32_Ehdr; |
| |
| /* |
| * Section header. |
| */ |
| |
| typedef struct { |
| Elf32_Word name; /* Section name (index into the |
| section header string table). */ |
| Elf32_Word type; /* Section type. */ |
| Elf32_Word flags; /* Section flags. */ |
| Elf32_Addr vaddr; /* Address in memory image. */ |
| Elf32_Off off; /* Offset in file. */ |
| Elf32_Word size; /* Size in bytes. */ |
| Elf32_Word link; /* Index of a related section. */ |
| Elf32_Word info; /* Depends on section type. */ |
| Elf32_Word addralign; /* Alignment in bytes. */ |
| Elf32_Word entsize; /* Size of each entry in section. */ |
| } Elf32_Shdr; |
| |
| /* |
| * Program header. |
| */ |
| |
| typedef struct { |
| Elf32_Word type; /* Entry type. */ |
| Elf32_Off off; /* File offset of contents. */ |
| Elf32_Addr vaddr; /* Virtual address in memory image. */ |
| Elf32_Addr paddr; /* Physical address (not used). */ |
| Elf32_Word filesz; /* Size of contents in file. */ |
| Elf32_Word memsz; /* Size of contents in memory. */ |
| Elf32_Word flags; /* Access permission flags. */ |
| Elf32_Word align; /* Alignment in memory and file. */ |
| } Elf32_Phdr; |
| |
| /* |
| * Dynamic structure. The ".dynamic" section contains an array of them. |
| */ |
| |
| typedef struct { |
| Elf32_Sword d_tag; /* Entry type. */ |
| union { |
| Elf32_Word d_val; /* Integer value. */ |
| Elf32_Addr d_ptr; /* Address value. */ |
| } d_un; |
| } Elf32_Dyn; |
| |
| /* |
| * Relocation entries. |
| */ |
| |
| /* Relocations that don't need an addend field. */ |
| typedef struct { |
| Elf32_Addr off; /* Location to be relocated. */ |
| Elf32_Word info; /* Relocation type and symbol index. */ |
| } Elf32_Rel; |
| |
| /* Relocations that need an addend field. */ |
| typedef struct { |
| Elf32_Addr off; /* Location to be relocated. */ |
| Elf32_Word info; /* Relocation type and symbol index. */ |
| Elf32_Sword addend; /* Addend. */ |
| } Elf32_Rela; |
| |
| /* Macros for accessing the fields of r_info. */ |
| #define ELF32_R_SYM(info) ((info) >> 8) |
| #define ELF32_R_TYPE(info) ((unsigned char)(info)) |
| |
| /* Macro for constructing r_info from field values. */ |
| #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) |
| |
| /* |
| * Relocation types. |
| */ |
| |
| #define R_X86_64_NONE 0 /* No relocation. */ |
| #define R_X86_64_64 1 /* Add 64 bit symbol value. */ |
| #define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ |
| #define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ |
| #define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ |
| #define R_X86_64_COPY 5 /* Copy data from shared object. */ |
| #define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ |
| #define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ |
| #define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ |
| #define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ |
| #define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ |
| #define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ |
| #define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ |
| #define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */ |
| #define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ |
| #define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */ |
| #define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ |
| #define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ |
| #define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ |
| #define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ |
| #define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ |
| #define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ |
| #define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ |
| #define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ |
| |
| #define R_X86_64_COUNT 24 /* Count of defined relocation types. */ |
| |
| |
| #define R_ALPHA_NONE 0 /* No reloc */ |
| #define R_ALPHA_REFLONG 1 /* Direct 32 bit */ |
| #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ |
| #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ |
| #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ |
| #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ |
| #define R_ALPHA_GPDISP 6 /* Add displacement to GP */ |
| #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ |
| #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ |
| #define R_ALPHA_SREL16 9 /* PC relative 16 bit */ |
| #define R_ALPHA_SREL32 10 /* PC relative 32 bit */ |
| #define R_ALPHA_SREL64 11 /* PC relative 64 bit */ |
| #define R_ALPHA_OP_PUSH 12 /* OP stack push */ |
| #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ |
| #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ |
| #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ |
| #define R_ALPHA_GPVALUE 16 |
| #define R_ALPHA_GPRELHIGH 17 |
| #define R_ALPHA_GPRELLOW 18 |
| #define R_ALPHA_IMMED_GP_16 19 |
| #define R_ALPHA_IMMED_GP_HI32 20 |
| #define R_ALPHA_IMMED_SCN_HI32 21 |
| #define R_ALPHA_IMMED_BR_HI32 22 |
| #define R_ALPHA_IMMED_LO32 23 |
| #define R_ALPHA_COPY 24 /* Copy symbol at runtime */ |
| #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ |
| #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ |
| #define R_ALPHA_RELATIVE 27 /* Adjust by program base */ |
| |
| #define R_ALPHA_COUNT 28 |
| |
| |
| #define R_ARM_NONE 0 /* No relocation. */ |
| #define R_ARM_PC24 1 |
| #define R_ARM_ABS32 2 |
| #define R_ARM_REL32 3 |
| #define R_ARM_PC13 4 |
| #define R_ARM_ABS16 5 |
| #define R_ARM_ABS12 6 |
| #define R_ARM_THM_ABS5 7 |
| #define R_ARM_ABS8 8 |
| #define R_ARM_SBREL32 9 |
| #define R_ARM_THM_PC22 10 |
| #define R_ARM_THM_PC8 11 |
| #define R_ARM_AMP_VCALL9 12 |
| #define R_ARM_SWI24 13 |
| #define R_ARM_THM_SWI8 14 |
| #define R_ARM_XPC25 15 |
| #define R_ARM_THM_XPC22 16 |
| #define R_ARM_COPY 20 /* Copy data from shared object. */ |
| #define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */ |
| #define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */ |
| #define R_ARM_RELATIVE 23 /* Add load address of shared object. */ |
| #define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */ |
| #define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */ |
| #define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */ |
| #define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */ |
| #define R_ARM_GNU_VTENTRY 100 |
| #define R_ARM_GNU_VTINHERIT 101 |
| #define R_ARM_RSBREL32 250 |
| #define R_ARM_THM_RPC22 251 |
| #define R_ARM_RREL32 252 |
| #define R_ARM_RABS32 253 |
| #define R_ARM_RPC24 254 |
| #define R_ARM_RBASE 255 |
| |
| #define R_ARM_COUNT 33 /* Count of defined relocation types. */ |
| |
| |
| #define R_386_NONE 0 /* No relocation. */ |
| #define R_386_32 1 /* Add symbol value. */ |
| #define R_386_PC32 2 /* Add PC-relative symbol value. */ |
| #define R_386_GOT32 3 /* Add PC-relative GOT offset. */ |
| #define R_386_PLT32 4 /* Add PC-relative PLT offset. */ |
| #define R_386_COPY 5 /* Copy data from shared object. */ |
| #define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ |
| #define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */ |
| #define R_386_RELATIVE 8 /* Add load address of shared object. */ |
| #define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */ |
| #define R_386_GOTPC 10 /* Add PC-relative GOT table address. */ |
| #define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */ |
| #define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS */ |
| #define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block */ |
| #define R_386_TLS_LE 17 /* Negative offset relative to static TLS */ |
| #define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */ |
| #define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */ |
| #define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */ |
| #define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequence */ |
| #define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequence */ |
| #define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence */ |
| #define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */ |
| #define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */ |
| #define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */ |
| #define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequence */ |
| #define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */ |
| #define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset entry */ |
| #define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */ |
| #define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */ |
| #define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */ |
| #define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */ |
| |
| #define R_386_COUNT 38 /* Count of defined relocation types. */ |
| |
| #define R_PPC_NONE 0 /* No relocation. */ |
| #define R_PPC_ADDR32 1 |
| #define R_PPC_ADDR24 2 |
| #define R_PPC_ADDR16 3 |
| #define R_PPC_ADDR16_LO 4 |
| #define R_PPC_ADDR16_HI 5 |
| #define R_PPC_ADDR16_HA 6 |
| #define R_PPC_ADDR14 7 |
| #define R_PPC_ADDR14_BRTAKEN 8 |
| #define R_PPC_ADDR14_BRNTAKEN 9 |
| #define R_PPC_REL24 10 |
| #define R_PPC_REL14 11 |
| #define R_PPC_REL14_BRTAKEN 12 |
| #define R_PPC_REL14_BRNTAKEN 13 |
| #define R_PPC_GOT16 14 |
| #define R_PPC_GOT16_LO 15 |
| #define R_PPC_GOT16_HI 16 |
| #define R_PPC_GOT16_HA 17 |
| #define R_PPC_PLTREL24 18 |
| #define R_PPC_COPY 19 |
| #define R_PPC_GLOB_DAT 20 |
| #define R_PPC_JMP_SLOT 21 |
| #define R_PPC_RELATIVE 22 |
| #define R_PPC_LOCAL24PC 23 |
| #define R_PPC_UADDR32 24 |
| #define R_PPC_UADDR16 25 |
| #define R_PPC_REL32 26 |
| #define R_PPC_PLT32 27 |
| #define R_PPC_PLTREL32 28 |
| #define R_PPC_PLT16_LO 29 |
| #define R_PPC_PLT16_HI 30 |
| #define R_PPC_PLT16_HA 31 |
| #define R_PPC_SDAREL16 32 |
| #define R_PPC_SECTOFF 33 |
| #define R_PPC_SECTOFF_LO 34 |
| #define R_PPC_SECTOFF_HI 35 |
| #define R_PPC_SECTOFF_HA 36 |
| |
| #define R_PPC_COUNT 37 /* Count of defined relocation types. */ |
| |
| #define R_PPC_TLS 67 |
| #define R_PPC_DTPMOD32 68 |
| #define R_PPC_TPREL16 69 |
| #define R_PPC_TPREL16_LO 70 |
| #define R_PPC_TPREL16_HI 71 |
| #define R_PPC_TPREL16_HA 72 |
| #define R_PPC_TPREL32 73 |
| #define R_PPC_DTPREL16 74 |
| #define R_PPC_DTPREL16_LO 75 |
| #define R_PPC_DTPREL16_HI 76 |
| #define R_PPC_DTPREL16_HA 77 |
| #define R_PPC_DTPREL32 78 |
| #define R_PPC_GOT_TLSGD16 79 |
| #define R_PPC_GOT_TLSGD16_LO 80 |
| #define R_PPC_GOT_TLSGD16_HI 81 |
| #define R_PPC_GOT_TLSGD16_HA 82 |
| #define R_PPC_GOT_TLSLD16 83 |
| #define R_PPC_GOT_TLSLD16_LO 84 |
| #define R_PPC_GOT_TLSLD16_HI 85 |
| #define R_PPC_GOT_TLSLD16_HA 86 |
| #define R_PPC_GOT_TPREL16 87 |
| #define R_PPC_GOT_TPREL16_LO 88 |
| #define R_PPC_GOT_TPREL16_HI 89 |
| #define R_PPC_GOT_TPREL16_HA 90 |
| |
| #define R_PPC_EMB_NADDR32 101 |
| #define R_PPC_EMB_NADDR16 102 |
| #define R_PPC_EMB_NADDR16_LO 103 |
| #define R_PPC_EMB_NADDR16_HI 104 |
| #define R_PPC_EMB_NADDR16_HA 105 |
| #define R_PPC_EMB_SDAI16 106 |
| #define R_PPC_EMB_SDA2I16 107 |
| #define R_PPC_EMB_SDA2REL 108 |
| #define R_PPC_EMB_SDA21 109 |
| #define R_PPC_EMB_MRKREF 110 |
| #define R_PPC_EMB_RELSEC16 111 |
| #define R_PPC_EMB_RELST_LO 112 |
| #define R_PPC_EMB_RELST_HI 113 |
| #define R_PPC_EMB_RELST_HA 114 |
| #define R_PPC_EMB_BIT_FLD 115 |
| #define R_PPC_EMB_RELSDA 116 |
| |
| /* Count of defined relocation types. */ |
| #define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1) |
| |
| |
| #define R_SPARC_NONE 0 |
| #define R_SPARC_8 1 |
| #define R_SPARC_16 2 |
| #define R_SPARC_32 3 |
| #define R_SPARC_DISP8 4 |
| #define R_SPARC_DISP16 5 |
| #define R_SPARC_DISP32 6 |
| #define R_SPARC_WDISP30 7 |
| #define R_SPARC_WDISP22 8 |
| #define R_SPARC_HI22 9 |
| #define R_SPARC_22 10 |
| #define R_SPARC_13 11 |
| #define R_SPARC_LO10 12 |
| #define R_SPARC_GOT10 13 |
| #define R_SPARC_GOT13 14 |
| #define R_SPARC_GOT22 15 |
| #define R_SPARC_PC10 16 |
| #define R_SPARC_PC22 17 |
| #define R_SPARC_WPLT30 18 |
| #define R_SPARC_COPY 19 |
| #define R_SPARC_GLOB_DAT 20 |
| #define R_SPARC_JMP_SLOT 21 |
| #define R_SPARC_RELATIVE 22 |
| #define R_SPARC_UA32 23 |
| #define R_SPARC_PLT32 24 |
| #define R_SPARC_HIPLT22 25 |
| #define R_SPARC_LOPLT10 26 |
| #define R_SPARC_PCPLT32 27 |
| #define R_SPARC_PCPLT22 28 |
| #define R_SPARC_PCPLT10 29 |
| #define R_SPARC_10 30 |
| #define R_SPARC_11 31 |
| #define R_SPARC_64 32 |
| #define R_SPARC_OLO10 33 |
| #define R_SPARC_HH22 34 |
| #define R_SPARC_HM10 35 |
| #define R_SPARC_LM22 36 |
| #define R_SPARC_PC_HH22 37 |
| #define R_SPARC_PC_HM10 38 |
| #define R_SPARC_PC_LM22 39 |
| #define R_SPARC_WDISP16 40 |
| #define R_SPARC_WDISP19 41 |
| #define R_SPARC_GLOB_JMP 42 |
| #define R_SPARC_7 43 |
| #define R_SPARC_5 44 |
| #define R_SPARC_6 45 |
| #define R_SPARC_DISP64 46 |
| #define R_SPARC_PLT64 47 |
| #define R_SPARC_HIX22 48 |
| #define R_SPARC_LOX10 49 |
| #define R_SPARC_H44 50 |
| #define R_SPARC_M44 51 |
| #define R_SPARC_L44 52 |
| #define R_SPARC_REGISTER 53 |
| #define R_SPARC_UA64 54 |
| #define R_SPARC_UA16 55 |
| |
| |
| /* |
| * Magic number for the elf trampoline, chosen wisely to be an immediate |
| * value. |
| */ |
| #define ARM_MAGIC_TRAMP_NUMBER 0x5c000003 |
| |
| |
| /* |
| * Symbol table entries. |
| */ |
| |
| typedef struct { |
| Elf32_Word name; /* String table index of name. */ |
| Elf32_Addr value; /* Symbol value. */ |
| Elf32_Word size; /* Size of associated object. */ |
| unsigned char info; /* Type and binding information. */ |
| unsigned char other; /* Reserved (not used). */ |
| Elf32_Half shndx; /* Section index of symbol. */ |
| } Elf32_Sym; |
| |
| /* Macros for accessing the fields of st_info. */ |
| #define ELF32_ST_BIND(info) ((info) >> 4) |
| #define ELF32_ST_TYPE(info) ((info) & 0xf) |
| |
| /* Macro for constructing st_info from field values. */ |
| #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) |
| |
| /* Macro for accessing the fields of st_other. */ |
| #define ELF32_ST_VISIBILITY(oth) ((oth) & 0x3) |
| |
| /* |
| * ELF definitions common to all 64-bit architectures. |
| */ |
| |
| typedef uint64 Elf64_Addr; |
| typedef uint16 Elf64_Half; |
| typedef uint64 Elf64_Off; |
| typedef int32 Elf64_Sword; |
| typedef int64 Elf64_Sxword; |
| typedef uint32 Elf64_Word; |
| typedef uint64 Elf64_Xword; |
| |
| /* |
| * Types of dynamic symbol hash table bucket and chain elements. |
| * |
| * This is inconsistent among 64 bit architectures, so a machine dependent |
| * typedef is required. |
| */ |
| |
| #ifdef __alpha__ |
| typedef Elf64_Off Elf64_Hashelt; |
| #else |
| typedef Elf64_Word Elf64_Hashelt; |
| #endif |
| |
| /* Non-standard class-dependent datatype used for abstraction. */ |
| typedef Elf64_Xword Elf64_Size; |
| typedef Elf64_Sxword Elf64_Ssize; |
| |
| /* |
| * ELF header. |
| */ |
| |
| typedef struct { |
| unsigned char ident[EI_NIDENT]; /* File identification. */ |
| Elf64_Half type; /* File type. */ |
| Elf64_Half machine; /* Machine architecture. */ |
| Elf64_Word version; /* ELF format version. */ |
| Elf64_Addr entry; /* Entry point. */ |
| Elf64_Off phoff; /* Program header file offset. */ |
| Elf64_Off shoff; /* Section header file offset. */ |
| Elf64_Word flags; /* Architecture-specific flags. */ |
| Elf64_Half ehsize; /* Size of ELF header in bytes. */ |
| Elf64_Half phentsize; /* Size of program header entry. */ |
| Elf64_Half phnum; /* Number of program header entries. */ |
| Elf64_Half shentsize; /* Size of section header entry. */ |
| Elf64_Half shnum; /* Number of section header entries. */ |
| Elf64_Half shstrndx; /* Section name strings section. */ |
| } Elf64_Ehdr; |
| |
| /* |
| * Section header. |
| */ |
| |
| typedef struct { |
| Elf64_Word name; /* Section name (index into the |
| section header string table). */ |
| Elf64_Word type; /* Section type. */ |
| Elf64_Xword flags; /* Section flags. */ |
| Elf64_Addr addr; /* Address in memory image. */ |
| Elf64_Off off; /* Offset in file. */ |
| Elf64_Xword size; /* Size in bytes. */ |
| Elf64_Word link; /* Index of a related section. */ |
| Elf64_Word info; /* Depends on section type. */ |
| Elf64_Xword addralign; /* Alignment in bytes. */ |
| Elf64_Xword entsize; /* Size of each entry in section. */ |
| } Elf64_Shdr; |
| |
| /* |
| * Program header. |
| */ |
| |
| typedef struct { |
| Elf64_Word type; /* Entry type. */ |
| Elf64_Word flags; /* Access permission flags. */ |
| Elf64_Off off; /* File offset of contents. */ |
| Elf64_Addr vaddr; /* Virtual address in memory image. */ |
| Elf64_Addr paddr; /* Physical address (not used). */ |
| Elf64_Xword filesz; /* Size of contents in file. */ |
| Elf64_Xword memsz; /* Size of contents in memory. */ |
| Elf64_Xword align; /* Alignment in memory and file. */ |
| } Elf64_Phdr; |
| |
| /* |
| * Dynamic structure. The ".dynamic" section contains an array of them. |
| */ |
| |
| typedef struct { |
| Elf64_Sxword d_tag; /* Entry type. */ |
| union { |
| Elf64_Xword d_val; /* Integer value. */ |
| Elf64_Addr d_ptr; /* Address value. */ |
| } d_un; |
| } Elf64_Dyn; |
| |
| /* |
| * Relocation entries. |
| */ |
| |
| /* Relocations that don't need an addend field. */ |
| typedef struct { |
| Elf64_Addr off; /* Location to be relocated. */ |
| Elf64_Xword info; /* Relocation type and symbol index. */ |
| } Elf64_Rel; |
| |
| /* Relocations that need an addend field. */ |
| typedef struct { |
| Elf64_Addr off; /* Location to be relocated. */ |
| Elf64_Xword info; /* Relocation type and symbol index. */ |
| Elf64_Sxword addend; /* Addend. */ |
| } Elf64_Rela; |
| |
| /* Macros for accessing the fields of r_info. */ |
| #define ELF64_R_SYM(info) ((info) >> 32) |
| #define ELF64_R_TYPE(info) ((info) & 0xffffffffL) |
| |
| /* Macro for constructing r_info from field values. */ |
| #define ELF64_R_INFO(sym, type) ((((uint64)(sym)) << 32) + (((uint64)(type)) & 0xffffffffULL)) |
| |
| /* |
| * Symbol table entries. |
| */ |
| |
| typedef struct { |
| Elf64_Word name; /* String table index of name. */ |
| unsigned char info; /* Type and binding information. */ |
| unsigned char other; /* Reserved (not used). */ |
| Elf64_Half shndx; /* Section index of symbol. */ |
| Elf64_Addr value; /* Symbol value. */ |
| Elf64_Xword size; /* Size of associated object. */ |
| } Elf64_Sym; |
| |
| /* Macros for accessing the fields of st_info. */ |
| #define ELF64_ST_BIND(info) ((info) >> 4) |
| #define ELF64_ST_TYPE(info) ((info) & 0xf) |
| |
| /* Macro for constructing st_info from field values. */ |
| #define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) |
| |
| /* Macro for accessing the fields of st_other. */ |
| #define ELF64_ST_VISIBILITY(oth) ((oth) & 0x3) |
| |
| /* |
| * Go linker interface |
| */ |
| |
| #define ELF64HDRSIZE 64 |
| #define ELF64PHDRSIZE 56 |
| #define ELF64SHDRSIZE 64 |
| #define ELF64RELSIZE 16 |
| #define ELF64RELASIZE 24 |
| #define ELF64SYMSIZE sizeof(Elf64_Sym) |
| |
| #define ELF32HDRSIZE sizeof(Elf32_Ehdr) |
| #define ELF32PHDRSIZE sizeof(Elf32_Phdr) |
| #define ELF32SHDRSIZE sizeof(Elf32_Shdr) |
| #define ELF32SYMSIZE sizeof(Elf32_Sym) |
| #define ELF32RELSIZE 8 |
| |
| /* |
| * The interface uses the 64-bit structures always, |
| * to avoid code duplication. The writers know how to |
| * marshal a 32-bit representation from the 64-bit structure. |
| */ |
| typedef Elf64_Ehdr ElfEhdr; |
| typedef Elf64_Shdr ElfShdr; |
| typedef Elf64_Phdr ElfPhdr; |
| |
| void elfinit(void); |
| ElfEhdr *getElfEhdr(void); |
| ElfShdr *newElfShstrtab(vlong); |
| ElfShdr *newElfShdr(vlong); |
| ElfPhdr *newElfPhdr(void); |
| uint32 elfwritehdr(void); |
| uint32 elfwritephdrs(void); |
| uint32 elfwriteshdrs(void); |
| void elfwritedynent(Sym*, int, uint64); |
| void elfwritedynentsym(Sym*, int, Sym*); |
| void elfwritedynentsymsize(Sym*, int, Sym*); |
| uint32 elfhash(uchar*); |
| uint64 startelf(void); |
| uint64 endelf(void); |
| extern int numelfphdr; |
| extern int numelfshdr; |
| extern int iself; |
| extern int elfverneed; |
| int elfwriteinterp(void); |
| void elfinterp(ElfShdr*, uint64, char*); |
| void elfdynhash(void); |
| ElfPhdr* elfphload(Segment*); |
| ElfShdr* elfshbits(Section*); |
| void elfsetstring(char*, int); |
| void elfaddverneed(Sym*); |
| |
| EXTERN int elfstrsize; |
| EXTERN char* elfstrdat; |
| EXTERN int elftextsh; |
| |
| /* |
| * Total amount of space to reserve at the start of the file |
| * for Header, PHeaders, SHeaders, and interp. |
| * May waste some. |
| * On FreeBSD, cannot be larger than a page. |
| */ |
| #define ELFRESERVE 3072 |