| //! The ELF ABI. |
| |
| #![allow(non_snake_case)] |
| #![cfg_attr( |
| all(not(target_vendor = "mustang"), feature = "use-libc-auxv"), |
| allow(dead_code) |
| )] |
| |
| pub(super) const SELFMAG: usize = 4; |
| pub(super) const ELFMAG: [u8; SELFMAG] = [0x7f, b'E', b'L', b'F']; |
| pub(super) const EI_CLASS: usize = 4; |
| pub(super) const EI_DATA: usize = 5; |
| pub(super) const EI_VERSION: usize = 6; |
| pub(super) const EI_OSABI: usize = 7; |
| pub(super) const EI_ABIVERSION: usize = 8; |
| pub(super) const EV_CURRENT: u8 = 1; |
| #[cfg(target_pointer_width = "32")] |
| pub(super) const ELFCLASS: u8 = 1; // ELFCLASS32 |
| #[cfg(target_pointer_width = "64")] |
| pub(super) const ELFCLASS: u8 = 2; // ELFCLASS64 |
| #[cfg(target_endian = "little")] |
| pub(super) const ELFDATA: u8 = 1; // ELFDATA2LSB |
| #[cfg(target_endian = "big")] |
| pub(super) const ELFDATA: u8 = 2; // ELFDATA2MSB |
| pub(super) const ELFOSABI_SYSV: u8 = 0; |
| pub(super) const ELFOSABI_LINUX: u8 = 3; |
| // At present all of our supported platforms use 0. |
| pub(super) const ELFABIVERSION: u8 = 0; |
| pub(super) const ET_DYN: u16 = 3; |
| pub(super) const EI_NIDENT: usize = 16; |
| pub(super) const SHN_UNDEF: u16 = 0; |
| pub(super) const SHN_ABS: u16 = 0xfff1; |
| pub(super) const PN_XNUM: u16 = 0xffff; |
| pub(super) const PT_LOAD: u32 = 1; |
| pub(super) const PT_DYNAMIC: u32 = 2; |
| pub(super) const PT_INTERP: u32 = 3; |
| pub(super) const PT_PHDR: u32 = 6; |
| pub(super) const PT_TLS: u32 = 7; |
| pub(super) const PT_GNU_STACK: u32 = 0x6474_e551; |
| pub(super) const PT_GNU_RELRO: u32 = 0x6474_e552; |
| pub(super) const PF_X: u32 = 1; |
| pub(super) const PF_W: u32 = 2; |
| pub(super) const PF_R: u32 = 4; |
| pub(super) const DT_NULL: i32 = 0; |
| pub(super) const DT_HASH: i32 = 4; |
| pub(super) const DT_STRTAB: i32 = 5; |
| pub(super) const DT_SYMTAB: i32 = 6; |
| pub(super) const DT_SYMENT: i32 = 11; |
| pub(super) const DT_VERSYM: i32 = 0x6fff_fff0; |
| pub(super) const DT_VERDEF: i32 = 0x6fff_fffc; |
| pub(super) const STB_WEAK: u8 = 2; |
| pub(super) const STB_GLOBAL: u8 = 1; |
| pub(super) const STT_NOTYPE: u8 = 0; |
| pub(super) const STT_FUNC: u8 = 2; |
| pub(super) const STN_UNDEF: u32 = 0; |
| pub(super) const VER_FLG_BASE: u16 = 0x1; |
| pub(super) const VER_DEF_CURRENT: u16 = 1; |
| pub(super) const STV_DEFAULT: u8 = 0; |
| #[cfg(target_arch = "arm")] |
| pub(super) const EM_CURRENT: u16 = 40; // EM_ARM |
| #[cfg(target_arch = "x86")] |
| pub(super) const EM_CURRENT: u16 = 3; // EM_386 |
| #[cfg(target_arch = "powerpc64")] |
| pub(super) const EM_CURRENT: u16 = 21; // EM_PPC64 |
| #[cfg(any(target_arch = "mips", target_arch = "mips64"))] |
| pub(super) const EM_CURRENT: u16 = 8; // EM_MIPS |
| #[cfg(target_arch = "x86_64")] |
| pub(super) const EM_CURRENT: u16 = 62; // EM_X86_64 |
| #[cfg(target_arch = "aarch64")] |
| pub(super) const EM_CURRENT: u16 = 183; // EM_AARCH64 |
| #[cfg(target_arch = "riscv64")] |
| pub(super) const EM_CURRENT: u16 = 243; // EM_RISCV |
| |
| #[inline] |
| pub(super) const fn ELF_ST_VISIBILITY(o: u8) -> u8 { |
| o & 0x03 |
| } |
| |
| #[inline] |
| pub(super) const fn ELF_ST_BIND(val: u8) -> u8 { |
| val >> 4 |
| } |
| |
| #[inline] |
| pub(super) const fn ELF_ST_TYPE(val: u8) -> u8 { |
| val & 0xf |
| } |
| |
| #[repr(C)] |
| pub(super) struct Elf_Ehdr { |
| pub(super) e_ident: [u8; EI_NIDENT], |
| pub(super) e_type: u16, |
| pub(super) e_machine: u16, |
| pub(super) e_version: u32, |
| pub(super) e_entry: usize, |
| pub(super) e_phoff: usize, |
| pub(super) e_shoff: usize, |
| pub(super) e_flags: u32, |
| pub(super) e_ehsize: u16, |
| pub(super) e_phentsize: u16, |
| pub(super) e_phnum: u16, |
| pub(super) e_shentsize: u16, |
| pub(super) e_shnum: u16, |
| pub(super) e_shstrndx: u16, |
| } |
| |
| #[cfg(target_pointer_width = "32")] |
| #[repr(C)] |
| pub(super) struct Elf_Phdr { |
| pub(super) p_type: u32, |
| pub(super) p_offset: usize, |
| pub(super) p_vaddr: usize, |
| pub(super) p_paddr: usize, |
| pub(super) p_filesz: usize, |
| pub(super) p_memsz: usize, |
| pub(super) p_flags: u32, |
| pub(super) p_align: usize, |
| } |
| |
| #[cfg(target_pointer_width = "64")] |
| #[repr(C)] |
| pub(super) struct Elf_Phdr { |
| pub(super) p_type: u32, |
| pub(super) p_flags: u32, |
| pub(super) p_offset: usize, |
| pub(super) p_vaddr: usize, |
| pub(super) p_paddr: usize, |
| pub(super) p_filesz: usize, |
| pub(super) p_memsz: usize, |
| pub(super) p_align: usize, |
| } |
| |
| #[cfg(target_pointer_width = "32")] |
| #[repr(C)] |
| pub(super) struct Elf_Sym { |
| pub(super) st_name: u32, |
| pub(super) st_value: usize, |
| pub(super) st_size: usize, |
| pub(super) st_info: u8, |
| pub(super) st_other: u8, |
| pub(super) st_shndx: u16, |
| } |
| |
| #[cfg(target_pointer_width = "64")] |
| #[repr(C)] |
| pub(super) struct Elf_Sym { |
| pub(super) st_name: u32, |
| pub(super) st_info: u8, |
| pub(super) st_other: u8, |
| pub(super) st_shndx: u16, |
| pub(super) st_value: usize, |
| pub(super) st_size: usize, |
| } |
| |
| #[repr(C)] |
| pub(super) struct Elf_Dyn { |
| pub(super) d_tag: i32, |
| pub(super) d_val: usize, |
| } |
| |
| #[repr(C)] |
| pub(super) struct Elf_Verdef { |
| pub(super) vd_version: u16, |
| pub(super) vd_flags: u16, |
| pub(super) vd_ndx: u16, |
| pub(super) vd_cnt: u16, |
| pub(super) vd_hash: u32, |
| pub(super) vd_aux: u32, |
| pub(super) vd_next: u32, |
| } |
| |
| #[repr(C)] |
| pub(super) struct Elf_Verdaux { |
| pub(super) vda_name: u32, |
| pub(super) _vda_next: u32, |
| } |
