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 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 #ifndef _UAPI_LINUX_ELF_H
 #define _UAPI_LINUX_ELF_H
 
 #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;
 
 /* 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;
 
 /* 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_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 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 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 dynamic{
   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 all these is "LINUX".
  */
 #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_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 */
 #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_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_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 */
 
 /* 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)
 
 #endif /* _UAPI_LINUX_ELF_H */

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