mirror of https://github.com/thesofproject/sof.git
938 lines
33 KiB
C
938 lines
33 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1996-1998 John D. Polstra. All rights reserved.
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* Copyright (c) 2001 David E. O'Brien
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* Portions Copyright 2009 The Go Authors. All rights reserved.
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*/
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/*
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* ELF definitions that are independent of architecture or word size.
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*/
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/*
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* Note header. The ".note" section contains an array of notes. Each
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* begins with this header, aligned to a word boundary. Immediately
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* following the note header is n_namesz bytes of name, padded to the
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* next word boundary. Then comes n_descsz bytes of descriptor, again
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* padded to a word boundary. The values of n_namesz and n_descsz do
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* not include the padding.
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*/
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#ifndef __INCLUDE_ELF_DEFS_H__
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#define __INCLUDE_ELF_DEFS_H__
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#include <stdbool.h>
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#include <stdint.h>
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typedef uint64_t uint64;
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typedef uint32_t uint32;
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typedef uint16_t uint16;
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typedef uint8_t uint8;
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typedef int64_t int64;
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typedef int32_t int32;
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typedef int16_t int16;
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typedef int8_t int8;
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typedef struct {
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uint32 n_namesz; /* Length of name. */
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uint32 n_descsz; /* Length of descriptor. */
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uint32 n_type; /* Type of this note. */
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} Elf_Note;
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/* Indexes into the e_ident array. Keep synced with
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http://www.sco.com/developer/gabi/ch4.eheader.html */
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#define EI_MAG0 0 /* Magic number, byte 0. */
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#define EI_MAG1 1 /* Magic number, byte 1. */
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#define EI_MAG2 2 /* Magic number, byte 2. */
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#define EI_MAG3 3 /* Magic number, byte 3. */
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#define EI_CLASS 4 /* Class of machine. */
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#define EI_DATA 5 /* Data format. */
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#define EI_VERSION 6 /* ELF format version. */
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#define EI_OSABI 7 /* Operating system / ABI identification */
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#define EI_ABIVERSION 8 /* ABI version */
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#define OLD_EI_BRAND 8 /* Start of architecture identification. */
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#define EI_PAD 9 /* Start of padding (per SVR4 ABI). */
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#define EI_NIDENT 16 /* Size of e_ident array. */
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/* Values for the magic number bytes. */
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#define ELFMAG0 0x7f
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#define ELFMAG1 'E'
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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#define ELFMAG "\177ELF" /* magic string */
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#define SELFMAG 4 /* magic string size */
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/* Values for e_ident[EI_VERSION] and e_version. */
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#define EV_NONE 0
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#define EV_CURRENT 1
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/* Values for e_ident[EI_CLASS]. */
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#define ELFCLASSNONE 0 /* Unknown class. */
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#define ELFCLASS32 1 /* 32-bit architecture. */
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#define ELFCLASS64 2 /* 64-bit architecture. */
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/* Values for e_ident[EI_DATA]. */
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#define ELFDATANONE 0 /* Unknown data format. */
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#define ELFDATA2LSB 1 /* 2's complement little-endian. */
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#define ELFDATA2MSB 2 /* 2's complement big-endian. */
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/* Values for e_ident[EI_OSABI]. */
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#define ELFOSABI_NONE 0 /* UNIX System V ABI */
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#define ELFOSABI_HPUX 1 /* HP-UX operating system */
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#define ELFOSABI_NETBSD 2 /* NetBSD */
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#define ELFOSABI_LINUX 3 /* GNU/Linux */
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#define ELFOSABI_HURD 4 /* GNU/Hurd */
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#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */
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#define ELFOSABI_SOLARIS 6 /* Solaris */
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#define ELFOSABI_AIX 7 /* AIX */
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#define ELFOSABI_IRIX 8 /* IRIX */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD */
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#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD */
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#define ELFOSABI_OPENVMS 13 /* Open VMS */
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#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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#define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */
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#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */
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/* e_ident */
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#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
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(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
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(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
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(ehdr).e_ident[EI_MAG3] == ELFMAG3)
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/* Values for e_type. */
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#define ET_NONE 0 /* Unknown type. */
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#define ET_REL 1 /* Relocatable. */
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#define ET_EXEC 2 /* Executable. */
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#define ET_DYN 3 /* Shared object. */
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#define ET_CORE 4 /* Core file. */
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#define ET_LOOS 0xfe00 /* First operating system specific. */
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#define ET_HIOS 0xfeff /* Last operating system-specific. */
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#define ET_LOPROC 0xff00 /* First processor-specific. */
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#define ET_HIPROC 0xffff /* Last processor-specific. */
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/* Values for e_machine. */
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#define EM_NONE 0 /* Unknown machine. */
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#define EM_M32 1 /* AT&T WE32100. */
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#define EM_SPARC 2 /* Sun SPARC. */
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#define EM_386 3 /* Intel i386. */
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#define EM_68K 4 /* Motorola 68000. */
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#define EM_88K 5 /* Motorola 88000. */
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#define EM_860 7 /* Intel i860. */
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#define EM_MIPS 8 /* MIPS R3000 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. */
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#define EM_PARISC 15 /* HP PA-RISC. */
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#define EM_VPP500 17 /* Fujitsu VPP500. */
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#define EM_SPARC32PLUS 18 /* SPARC v8plus. */
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#define EM_960 19 /* Intel 80960. */
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#define EM_PPC 20 /* PowerPC 32-bit. */
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#define EM_PPC64 21 /* PowerPC 64-bit. */
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#define EM_S390 22 /* IBM System/390. */
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#define EM_V800 36 /* NEC V800. */
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#define EM_FR20 37 /* Fujitsu FR20. */
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#define EM_RH32 38 /* TRW RH-32. */
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#define EM_RCE 39 /* Motorola RCE. */
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#define EM_ARM 40 /* ARM. */
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#define EM_SH 42 /* Hitachi 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 /* Argonaut RISC Core. */
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#define EM_H8_300 46 /* Hitachi H8/300. */
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#define EM_H8_300H 47 /* Hitachi H8/300H. */
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#define EM_H8S 48 /* Hitachi H8S. */
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#define EM_H8_500 49 /* Hitachi 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 MMA. */
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#define EM_PCP 55 /* Siemens PCP. */
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#define EM_NCPU 56 /* Sony nCPU. */
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#define EM_NDR1 57 /* Denso NDR1 microprocessor. */
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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 processor. */
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#define EM_X86_64 62 /* Advanced Micro Devices x86-64 */
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/* Non-standard or deprecated. */
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#define EM_486 6 /* Intel i486. */
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#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
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#define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */
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#define EM_ALPHA 0x9026 /* Alpha (written in the absence of an ABI) */
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/* Special section indexes. */
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#define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */
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#define SHN_LORESERVE 0xff00 /* First of reserved range. */
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#define SHN_LOPROC 0xff00 /* First processor-specific. */
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#define SHN_HIPROC 0xff1f /* Last processor-specific. */
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#define SHN_LOOS 0xff20 /* First operating system-specific. */
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#define SHN_HIOS 0xff3f /* Last operating system-specific. */
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#define SHN_ABS 0xfff1 /* Absolute values. */
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#define SHN_COMMON 0xfff2 /* Common data. */
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#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */
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#define SHN_HIRESERVE 0xffff /* Last of reserved range. */
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/* sh_type */
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#define SHT_NULL 0 /* inactive */
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#define SHT_PROGBITS 1 /* program defined information */
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#define SHT_SYMTAB 2 /* symbol table section */
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#define SHT_STRTAB 3 /* string table section */
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#define SHT_RELA 4 /* relocation section with addends */
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#define SHT_HASH 5 /* symbol hash table section */
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#define SHT_DYNAMIC 6 /* dynamic section */
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#define SHT_NOTE 7 /* note section */
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#define SHT_NOBITS 8 /* no space section */
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#define SHT_REL 9 /* relocation section - no addends */
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#define SHT_SHLIB 10 /* reserved - purpose unknown */
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#define SHT_DYNSYM 11 /* dynamic symbol table section */
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#define SHT_INIT_ARRAY 14 /* Initialization function pointers. */
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#define SHT_FINI_ARRAY 15 /* Termination function pointers. */
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#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */
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#define SHT_GROUP 17 /* Section group. */
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#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */
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#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
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#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
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#define SHT_GNU_VERDEF 0x6ffffffd
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#define SHT_GNU_VERNEED 0x6ffffffe
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#define SHT_GNU_VERSYM 0x6fffffff
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#define SHT_LOPROC 0x70000000 /* reserved range for processor */
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#define SHT_HIPROC 0x7fffffff /* specific section header types */
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#define SHT_LOUSER 0x80000000 /* reserved range for application */
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#define SHT_HIUSER 0xffffffff /* specific indexes */
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/* Flags for sh_flags. */
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#define SHF_WRITE 0x1 /* Section contains writable data. */
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#define SHF_ALLOC 0x2 /* Section occupies memory. */
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#define SHF_EXECINSTR 0x4 /* Section contains instructions. */
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#define SHF_MERGE 0x10 /* Section may be merged. */
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#define SHF_STRINGS 0x20 /* Section contains strings. */
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#define SHF_INFO_LINK 0x40 /* sh_info holds section index. */
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#define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */
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#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */
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#define SHF_GROUP 0x200 /* Member of section group. */
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#define SHF_TLS 0x400 /* Section contains TLS data. */
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#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */
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#define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */
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/* Values for p_type. */
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#define PT_NULL 0 /* Unused entry. */
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#define PT_LOAD 1 /* Loadable segment. */
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#define PT_DYNAMIC 2 /* Dynamic linking information segment. */
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#define PT_INTERP 3 /* Pathname of interpreter. */
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#define PT_NOTE 4 /* Auxiliary information. */
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#define PT_SHLIB 5 /* Reserved (not used). */
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#define PT_PHDR 6 /* Location of program header itself. */
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#define PT_TLS 7 /* Thread local storage segment */
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#define PT_LOOS 0x60000000 /* First OS-specific. */
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#define PT_HIOS 0x6fffffff /* Last OS-specific. */
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#define PT_LOPROC 0x70000000 /* First processor-specific type. */
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#define PT_HIPROC 0x7fffffff /* Last processor-specific type. */
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#define PT_GNU_STACK 0x6474e551
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#define PT_PAX_FLAGS 0x65041580
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/* Values for p_flags. */
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#define PF_X 0x1 /* Executable. */
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#define PF_W 0x2 /* Writable. */
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#define PF_R 0x4 /* Readable. */
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#define PF_MASKOS 0x0ff00000 /* Operating system-specific. */
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#define PF_MASKPROC 0xf0000000 /* Processor-specific. */
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/* Values for d_tag. */
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#define DT_NULL 0 /* Terminating entry. */
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/* String table offset of a needed shared library. */
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#define DT_NEEDED 1
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#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
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#define DT_PLTGOT 3 /* Processor-dependent address. */
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#define DT_HASH 4 /* Address of symbol hash table. */
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#define DT_STRTAB 5 /* Address of string table. */
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#define DT_SYMTAB 6 /* Address of symbol table. */
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#define DT_RELA 7 /* Address of ElfNN_Rela relocations. */
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#define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */
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#define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */
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#define DT_STRSZ 10 /* Size of string table. */
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#define DT_SYMENT 11 /* Size of each symbol table entry. */
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#define DT_INIT 12 /* Address of initialization function. */
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#define DT_FINI 13 /* Address of finalization function. */
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/* String table offset of shared object name. */
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#define DT_SONAME 14
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#define DT_RPATH 15 /* String table offset of library path. [sup] */
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#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
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#define DT_REL 17 /* Address of ElfNN_Rel relocations. */
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#define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */
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#define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */
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#define DT_PLTREL 20 /* Type of relocation used for PLT. */
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#define DT_DEBUG 21 /* Reserved (not used). */
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/* Indicates there may be relocations in non-writable segments. [sup] */
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#define DT_TEXTREL 22
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#define DT_JMPREL 23 /* Address of PLT relocations. */
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#define DT_BIND_NOW 24 /* [sup] */
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/* Address of the array of pointers to initialization functions */
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#define DT_INIT_ARRAY 25
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/* Address of the array of pointers to termination functions */
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#define DT_FINI_ARRAY 26
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/* Size in bytes of the array of initialization functions. */
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#define DT_INIT_ARRAYSZ 27
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/* Size in bytes of the array of terminationfunctions. */
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#define DT_FINI_ARRAYSZ 28
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/* String table offset of a null-terminated library search path string. */
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#define DT_RUNPATH 29
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#define DT_FLAGS 30 /* Object specific flag values. */
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/* Values greater than or equal to DT_ENCODING and less than
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DT_LOOS follow the rules for the interpretation of the d_un
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union as follows: even == 'd_ptr', even == 'd_val' or none */
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#define DT_ENCODING 32
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/* Address of the array of pointers to pre-initialization functions. */
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#define DT_PREINIT_ARRAY 32
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/* Size in bytes of the array of pre-initialization functions. */
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#define DT_PREINIT_ARRAYSZ 33
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#define DT_LOOS 0x6000000d /* First OS-specific */
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#define DT_HIOS 0x6ffff000 /* Last OS-specific */
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#define DT_LOPROC 0x70000000 /* First processor-specific type. */
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#define DT_HIPROC 0x7fffffff /* Last processor-specific type. */
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#define DT_VERNEED 0x6ffffffe
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#define DT_VERNEEDNUM 0x6fffffff
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#define DT_VERSYM 0x6ffffff0
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/* Values for DT_FLAGS */
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/* Indicates that the object being loaded may make reference to
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the $ORIGIN substitution string */
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#define DF_ORIGIN 0x0001
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#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */
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/* Indicates there may be relocations in non-writable segments. */
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#define DF_TEXTREL 0x0004
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/* Indicates that the dynamic linker should process all
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relocations for the object containing this entry before
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transferring control to the program. */
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#define DF_BIND_NOW 0x0008
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/* Indicates that the shared object or executable contains code
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using a static thread-local storage scheme. */
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#define DF_STATIC_TLS 0x0010
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/* Values for n_type. Used in core files. */
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#define NT_PRSTATUS 1 /* Process status. */
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#define NT_FPREGSET 2 /* Floating point registers. */
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#define NT_PRPSINFO 3 /* Process state info. */
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/* Symbol Binding - ELFNN_ST_BIND - st_info */
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#define STB_LOCAL 0 /* Local symbol */
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#define STB_GLOBAL 1 /* Global symbol */
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#define STB_WEAK 2 /* like global - lower precedence */
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#define STB_LOOS 10 /* Reserved range for operating system */
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#define STB_HIOS 12 /* specific semantics. */
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#define STB_LOPROC 13 /* reserved range for processor */
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#define STB_HIPROC 15 /* specific semantics. */
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/* Symbol type - ELFNN_ST_TYPE - st_info */
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#define STT_NOTYPE 0 /* Unspecified type. */
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#define STT_OBJECT 1 /* Data object. */
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#define STT_FUNC 2 /* Function. */
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#define STT_SECTION 3 /* Section. */
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#define STT_FILE 4 /* Source file. */
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#define STT_COMMON 5 /* Uninitialized common block. */
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#define STT_TLS 6 /* TLS object. */
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#define STT_LOOS 10 /* Reserved range for operating system */
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#define STT_HIOS 12 /* specific semantics. */
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#define STT_LOPROC 13 /* reserved range for processor */
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#define STT_HIPROC 15 /* specific semantics. */
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/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */
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#define STV_DEFAULT 0x0 /* Default visibility (see binding). */
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#define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */
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#define STV_HIDDEN 0x2 /* Not visible. */
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#define STV_PROTECTED 0x3 /* Visible but not preemptible. */
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/* Special symbol table indexes. */
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#define STN_UNDEF 0 /* Undefined symbol index. */
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/*
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* ELF definitions common to all 32-bit architectures.
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*/
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typedef uint32 Elf32_Addr;
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typedef uint16 Elf32_Half;
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typedef uint32 Elf32_Off;
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typedef int32 Elf32_Sword;
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typedef uint32 Elf32_Word;
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typedef Elf32_Word Elf32_Hashelt;
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/* Non-standard class-dependent datatype used for abstraction. */
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typedef Elf32_Word Elf32_Size;
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typedef Elf32_Sword Elf32_Ssize;
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/*
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* ELF header.
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*/
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typedef struct {
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unsigned char ident[EI_NIDENT]; /* File identification. */
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Elf32_Half type; /* File type. */
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Elf32_Half machine; /* Machine architecture. */
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Elf32_Word version; /* ELF format version. */
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Elf32_Addr entry; /* Entry point. */
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Elf32_Off phoff; /* Program header file offset. */
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Elf32_Off shoff; /* Section header file offset. */
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Elf32_Word flags; /* Architecture-specific flags. */
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Elf32_Half ehsize; /* Size of ELF header in bytes. */
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Elf32_Half phentsize; /* Size of program header entry. */
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Elf32_Half phnum; /* Number of program header entries. */
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Elf32_Half shentsize; /* Size of section header entry. */
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Elf32_Half shnum; /* Number of section header entries. */
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Elf32_Half shstrndx; /* Section name strings section. */
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} Elf32_Ehdr;
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/*
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* Section header.
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*/
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typedef struct {
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Elf32_Word name; /* Section name (index into the
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section header string table). */
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Elf32_Word type; /* Section type. */
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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_CALL 28
|
|
#define R_ARM_JUMP24 29
|
|
#define R_ARM_V4BX 40
|
|
#define R_ARM_GOT_PREL 96
|
|
#define R_ARM_GNU_VTENTRY 100
|
|
#define R_ARM_GNU_VTINHERIT 101
|
|
#define R_ARM_TLS_IE32 107
|
|
#define R_ARM_TLS_LE32 108
|
|
#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 38 /* 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_Shdr Elf64_Shdr;
|
|
struct Elf64_Shdr {
|
|
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. */
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
|
|
#endif /* __INCLUDE_ELF_DEFS_H__ */
|