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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#include <linux/types.h>#include <linux/elf-em.h>
/* 32-bit ELF base types. */typedef __u32 Elf32_Addr;typedef __u16 Elf32_Half;typedef __u32 Elf32_Off;typedef __s32 Elf32_Sword;typedef __u32 Elf32_Word;typedef __u16 Elf32_Versym;
/* 64-bit ELF base types. */typedef __u64 Elf64_Addr;typedef __u16 Elf64_Half;typedef __s16 Elf64_SHalf;typedef __u64 Elf64_Off;typedef __s32 Elf64_Sword;typedef __u32 Elf64_Word;typedef __u64 Elf64_Xword;typedef __s64 Elf64_Sxword;typedef __u16 Elf64_Versym;
/* These constants are for the segment types stored in the image headers */#define PT_NULL 0#define PT_LOAD 1#define PT_DYNAMIC 2#define PT_INTERP 3#define PT_NOTE 4#define PT_SHLIB 5#define PT_PHDR 6#define PT_TLS 7 /* Thread local storage segment */#define PT_LOOS 0x60000000 /* OS-specific */#define PT_HIOS 0x6fffffff /* OS-specific */#define PT_LOPROC 0x70000000#define PT_HIPROC 0x7fffffff#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)#define PT_GNU_STACK (PT_LOOS + 0x474e551)#define PT_GNU_RELRO (PT_LOOS + 0x474e552)#define PT_GNU_PROPERTY (PT_LOOS + 0x474e553)
/* ARM MTE memory tag segment type */#define PT_AARCH64_MEMTAG_MTE (PT_LOPROC + 0x2)
/* * Extended Numbering * * If the real number of program header table entries is larger than * or equal to PN_XNUM(0xffff), it is set to sh_info field of the * section header at index 0, and PN_XNUM is set to e_phnum * field. Otherwise, the section header at index 0 is zero * initialized, if it exists. * * Specifications are available in: * * - Oracle: Linker and Libraries. * Part No: 817–1984–19, August 2011. * https://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf * * - System V ABI AMD64 Architecture Processor Supplement * Draft Version 0.99.4, * January 13, 2010. * http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf */#define PN_XNUM 0xffff
/* These constants define the different elf file types */#define ET_NONE 0#define ET_REL 1#define ET_EXEC 2#define ET_DYN 3#define ET_CORE 4#define ET_LOPROC 0xff00#define ET_HIPROC 0xffff
/* This is the info that is needed to parse the dynamic section of the file */#define DT_NULL 0#define DT_NEEDED 1#define DT_PLTRELSZ 2#define DT_PLTGOT 3#define DT_HASH 4#define DT_STRTAB 5#define DT_SYMTAB 6#define DT_RELA 7#define DT_RELASZ 8#define DT_RELAENT 9#define DT_STRSZ 10#define DT_SYMENT 11#define DT_INIT 12#define DT_FINI 13#define DT_SONAME 14#define DT_RPATH 15#define DT_SYMBOLIC 16#define DT_REL 17#define DT_RELSZ 18#define DT_RELENT 19#define DT_PLTREL 20#define DT_DEBUG 21#define DT_TEXTREL 22#define DT_JMPREL 23#define DT_ENCODING 32#define OLD_DT_LOOS 0x60000000#define DT_LOOS 0x6000000d#define DT_HIOS 0x6ffff000#define DT_VALRNGLO 0x6ffffd00#define DT_VALRNGHI 0x6ffffdff#define DT_ADDRRNGLO 0x6ffffe00#define DT_GNU_HASH 0x6ffffef5#define DT_ADDRRNGHI 0x6ffffeff#define DT_VERSYM 0x6ffffff0#define DT_RELACOUNT 0x6ffffff9#define DT_RELCOUNT 0x6ffffffa#define DT_FLAGS_1 0x6ffffffb#define DT_VERDEF 0x6ffffffc#define DT_VERDEFNUM 0x6ffffffd#define DT_VERNEED 0x6ffffffe#define DT_VERNEEDNUM 0x6fffffff#define OLD_DT_HIOS 0x6fffffff#define DT_LOPROC 0x70000000#define DT_HIPROC 0x7fffffff
/* This info is needed when parsing the symbol table */#define STB_LOCAL 0#define STB_GLOBAL 1#define STB_WEAK 2
#define STN_UNDEF 0
#define STT_NOTYPE 0#define STT_OBJECT 1#define STT_FUNC 2#define STT_SECTION 3#define STT_FILE 4#define STT_COMMON 5#define STT_TLS 6
#define VER_FLG_BASE 0x1#define VER_FLG_WEAK 0x2
#define ELF_ST_BIND(x) ((x) >> 4)#define ELF_ST_TYPE(x) ((x) & 0xf)#define ELF32_ST_BIND(x) ELF_ST_BIND(x)#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)#define ELF64_ST_BIND(x) ELF_ST_BIND(x)#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
typedef struct { Elf32_Sword d_tag; union { Elf32_Sword d_val; Elf32_Addr d_ptr; } d_un;} Elf32_Dyn;
typedef struct { Elf64_Sxword d_tag; /* entry tag value */ union { Elf64_Xword d_val; Elf64_Addr d_ptr; } d_un;} Elf64_Dyn;
/* The following are used with relocations */#define ELF32_R_SYM(x) ((x) >> 8)#define ELF32_R_TYPE(x) ((x) & 0xff)
#define ELF64_R_SYM(i) ((i) >> 32)#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
typedef struct elf32_rel { Elf32_Addr r_offset; Elf32_Word r_info;} Elf32_Rel;
typedef struct elf64_rel { Elf64_Addr r_offset; /* Location at which to apply the action */ Elf64_Xword r_info; /* index and type of relocation */} Elf64_Rel;
typedef struct elf32_rela { Elf32_Addr r_offset; Elf32_Word r_info; Elf32_Sword r_addend;} Elf32_Rela;
typedef struct elf64_rela { Elf64_Addr r_offset; /* Location at which to apply the action */ Elf64_Xword r_info; /* index and type of relocation */ Elf64_Sxword r_addend; /* Constant addend used to compute value */} Elf64_Rela;
typedef struct elf32_sym { Elf32_Word st_name; Elf32_Addr st_value; Elf32_Word st_size; unsigned char st_info; unsigned char st_other; Elf32_Half st_shndx;} Elf32_Sym;
typedef struct elf64_sym { Elf64_Word st_name; /* Symbol name, index in string tbl */ unsigned char st_info; /* Type and binding attributes */ unsigned char st_other; /* No defined meaning, 0 */ Elf64_Half st_shndx; /* Associated section index */ Elf64_Addr st_value; /* Value of the symbol */ Elf64_Xword st_size; /* Associated symbol size */} Elf64_Sym;
#define EI_NIDENT 16
typedef struct elf32_hdr { unsigned char e_ident[EI_NIDENT]; Elf32_Half e_type; Elf32_Half e_machine; Elf32_Word e_version; Elf32_Addr e_entry; /* Entry point */ Elf32_Off e_phoff; Elf32_Off e_shoff; Elf32_Word e_flags; Elf32_Half e_ehsize; Elf32_Half e_phentsize; Elf32_Half e_phnum; Elf32_Half e_shentsize; Elf32_Half e_shnum; Elf32_Half e_shstrndx;} Elf32_Ehdr;
typedef struct elf64_hdr { unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */ Elf64_Half e_type; Elf64_Half e_machine; Elf64_Word e_version; Elf64_Addr e_entry; /* Entry point virtual address */ Elf64_Off e_phoff; /* Program header table file offset */ Elf64_Off e_shoff; /* Section header table file offset */ Elf64_Word e_flags; Elf64_Half e_ehsize; Elf64_Half e_phentsize; Elf64_Half e_phnum; Elf64_Half e_shentsize; Elf64_Half e_shnum; Elf64_Half e_shstrndx;} Elf64_Ehdr;
/* These constants define the permissions on sections in the program header, p_flags. */#define PF_R 0x4#define PF_W 0x2#define PF_X 0x1
typedef struct elf32_phdr { Elf32_Word p_type; Elf32_Off p_offset; Elf32_Addr p_vaddr; Elf32_Addr p_paddr; Elf32_Word p_filesz; Elf32_Word p_memsz; Elf32_Word p_flags; Elf32_Word p_align;} Elf32_Phdr;
typedef struct elf64_phdr { Elf64_Word p_type; Elf64_Word p_flags; Elf64_Off p_offset; /* Segment file offset */ Elf64_Addr p_vaddr; /* Segment virtual address */ Elf64_Addr p_paddr; /* Segment physical address */ Elf64_Xword p_filesz; /* Segment size in file */ Elf64_Xword p_memsz; /* Segment size in memory */ Elf64_Xword p_align; /* Segment alignment, file & memory */} Elf64_Phdr;
/* sh_type */#define SHT_NULL 0#define SHT_PROGBITS 1#define SHT_SYMTAB 2#define SHT_STRTAB 3#define SHT_RELA 4#define SHT_HASH 5#define SHT_DYNAMIC 6#define SHT_NOTE 7#define SHT_NOBITS 8#define SHT_REL 9#define SHT_SHLIB 10#define SHT_DYNSYM 11#define SHT_NUM 12#define SHT_LOPROC 0x70000000#define SHT_HIPROC 0x7fffffff#define SHT_LOUSER 0x80000000#define SHT_HIUSER 0xffffffff
/* sh_flags */#define SHF_WRITE 0x1#define SHF_ALLOC 0x2#define SHF_EXECINSTR 0x4#define SHF_RELA_LIVEPATCH 0x00100000#define SHF_RO_AFTER_INIT 0x00200000#define SHF_MASKPROC 0xf0000000
/* special section indexes */#define SHN_UNDEF 0#define SHN_LORESERVE 0xff00#define SHN_LOPROC 0xff00#define SHN_HIPROC 0xff1f#define SHN_LIVEPATCH 0xff20#define SHN_ABS 0xfff1#define SHN_COMMON 0xfff2#define SHN_HIRESERVE 0xffff
typedef struct elf32_shdr { Elf32_Word sh_name; Elf32_Word sh_type; Elf32_Word sh_flags; Elf32_Addr sh_addr; Elf32_Off sh_offset; Elf32_Word sh_size; Elf32_Word sh_link; Elf32_Word sh_info; Elf32_Word sh_addralign; Elf32_Word sh_entsize;} Elf32_Shdr;
typedef struct elf64_shdr { Elf64_Word sh_name; /* Section name, index in string tbl */ Elf64_Word sh_type; /* Type of section */ Elf64_Xword sh_flags; /* Miscellaneous section attributes */ Elf64_Addr sh_addr; /* Section virtual addr at execution */ Elf64_Off sh_offset; /* Section file offset */ Elf64_Xword sh_size; /* Size of section in bytes */ Elf64_Word sh_link; /* Index of another section */ Elf64_Word sh_info; /* Additional section information */ Elf64_Xword sh_addralign; /* Section alignment */ Elf64_Xword sh_entsize; /* Entry size if section holds table */} Elf64_Shdr;
#define EI_MAG0 0 /* e_ident[] indexes */#define EI_MAG1 1#define EI_MAG2 2#define EI_MAG3 3#define EI_CLASS 4#define EI_DATA 5#define EI_VERSION 6#define EI_OSABI 7#define EI_PAD 8
#define ELFMAG0 0x7f /* EI_MAG */#define ELFMAG1 'E'#define ELFMAG2 'L'#define ELFMAG3 'F'#define ELFMAG "\177ELF"#define SELFMAG 4
#define ELFCLASSNONE 0 /* EI_CLASS */#define ELFCLASS32 1#define ELFCLASS64 2#define ELFCLASSNUM 3
#define ELFDATANONE 0 /* e_ident[EI_DATA] */#define ELFDATA2LSB 1#define ELFDATA2MSB 2
#define EV_NONE 0 /* e_version, EI_VERSION */#define EV_CURRENT 1#define EV_NUM 2
#define ELFOSABI_NONE 0#define ELFOSABI_LINUX 3
#ifndef ELF_OSABI#define ELF_OSABI ELFOSABI_NONE#endif
/* * Notes used in ET_CORE. Architectures export some of the arch register sets * using the corresponding note types via the PTRACE_GETREGSET and * PTRACE_SETREGSET requests. * The note name for these types is "LINUX", except NT_PRFPREG that is named * "CORE". */#define NT_PRSTATUS 1#define NT_PRFPREG 2#define NT_PRPSINFO 3#define NT_TASKSTRUCT 4#define NT_AUXV 6/* * Note to userspace developers: size of NT_SIGINFO note may increase * in the future to accomodate more fields, don't assume it is fixed! */#define NT_SIGINFO 0x53494749#define NT_FILE 0x46494c45#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */#define NT_PPC_TAR 0x103 /* Target Address Register */#define NT_PPC_PPR 0x104 /* Program Priority Register */#define NT_PPC_DSCR 0x105 /* Data Stream Control Register */#define NT_PPC_EBB 0x106 /* Event Based Branch Registers */#define NT_PPC_PMU 0x107 /* Performance Monitor Registers */#define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */#define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */#define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */#define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */#define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */#define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers */#define NT_PPC_DEXCR 0x111 /* PowerPC DEXCR registers */#define NT_PPC_HASHKEYR 0x112 /* PowerPC HASHKEYR register */#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave *//* Old binutils treats 0x203 as a CET state */#define NT_X86_SHSTK 0x204 /* x86 SHSTK state */#define NT_X86_XSAVE_LAYOUT 0x205 /* XSAVE layout description */#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */#define NT_S390_TIMER 0x301 /* s390 timer register */#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */#define NT_S390_CTRS 0x304 /* s390 control registers */#define NT_S390_PREFIX 0x305 /* s390 prefix register */#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half */#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */#define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block */#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation */#define NT_S390_PV_CPU_DATA 0x30e /* s390 protvirt cpu dump data */#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */#define NT_ARM_TLS 0x401 /* ARM TLS register */#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension registers */#define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication code masks */#define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication address keys */#define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key */#define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* arm64 tagged address control (prctl()) */#define NT_ARM_PAC_ENABLED_KEYS 0x40a /* arm64 ptr auth enabled keys (prctl()) */#define NT_ARM_SSVE 0x40b /* ARM Streaming SVE registers */#define NT_ARM_ZA 0x40c /* ARM SME ZA registers */#define NT_ARM_ZT 0x40d /* ARM SME ZT registers */#define NT_ARM_FPMR 0x40e /* ARM floating point mode register */#define NT_ARM_POE 0x40f /* ARM POE registers */#define NT_ARM_GCS 0x410 /* ARM GCS state */#define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note */#define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */#define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */#define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */#define NT_RISCV_CSR 0x900 /* RISC-V Control and Status Registers */#define NT_RISCV_VECTOR 0x901 /* RISC-V vector registers */#define NT_RISCV_TAGGED_ADDR_CTRL 0x902 /* RISC-V tagged address control (prctl()) */#define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers */#define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status registers */#define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension registers */#define NT_LOONGARCH_LASX 0xa03 /* LoongArch Loongson Advanced SIMD Extension registers */#define NT_LOONGARCH_LBT 0xa04 /* LoongArch Loongson Binary Translation registers */#define NT_LOONGARCH_HW_BREAK 0xa05 /* LoongArch hardware breakpoint registers */#define NT_LOONGARCH_HW_WATCH 0xa06 /* LoongArch hardware watchpoint registers */
/* Note types with note name "GNU" */#define NT_GNU_PROPERTY_TYPE_0 5
/* Note header in a PT_NOTE section */typedef struct elf32_note { Elf32_Word n_namesz; /* Name size */ Elf32_Word n_descsz; /* Content size */ Elf32_Word n_type; /* Content type */} Elf32_Nhdr;
/* Note header in a PT_NOTE section */typedef struct elf64_note { Elf64_Word n_namesz; /* Name size */ Elf64_Word n_descsz; /* Content size */ Elf64_Word n_type; /* Content type */} Elf64_Nhdr;
/* .note.gnu.property types for EM_AARCH64: */#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
/* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
typedef struct { Elf32_Half vd_version; Elf32_Half vd_flags; Elf32_Half vd_ndx; Elf32_Half vd_cnt; Elf32_Word vd_hash; Elf32_Word vd_aux; Elf32_Word vd_next;} Elf32_Verdef;
typedef struct { Elf64_Half vd_version; Elf64_Half vd_flags; Elf64_Half vd_ndx; Elf64_Half vd_cnt; Elf64_Word vd_hash; Elf64_Word vd_aux; Elf64_Word vd_next;} Elf64_Verdef;
typedef struct { Elf32_Word vda_name; Elf32_Word vda_next;} Elf32_Verdaux;
typedef struct { Elf64_Word vda_name; Elf64_Word vda_next;} Elf64_Verdaux;
#endif /* _LINUX_ELF_H */