mirror of
https://github.com/rui314/mold.git
synced 2024-12-24 17:01:50 +03:00
322 lines
8.4 KiB
C++
322 lines
8.4 KiB
C++
#pragma once
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#include <cstdint>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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static constexpr u32 SHN_UNDEF = 0;
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static constexpr u32 SHN_ABS = 0xfff1;
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static constexpr u32 SHN_COMMON = 0xfff2;
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static constexpr u32 SHT_NULL = 0;
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static constexpr u32 SHT_PROGBITS = 1;
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static constexpr u32 SHT_SYMTAB = 2;
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static constexpr u32 SHT_STRTAB = 3;
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static constexpr u32 SHT_RELA = 4;
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static constexpr u32 SHT_HASH = 5;
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static constexpr u32 SHT_DYNAMIC = 6;
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static constexpr u32 SHT_NOTE = 7;
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static constexpr u32 SHT_NOBITS = 8;
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static constexpr u32 SHT_REL = 9;
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static constexpr u32 SHT_SHLIB = 10;
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static constexpr u32 SHT_DYNSYM = 11;
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static constexpr u32 SHT_INIT_ARRAY = 14;
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static constexpr u32 SHT_FINI_ARRAY = 15;
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static constexpr u32 SHT_PREINIT_ARRAY = 16;
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static constexpr u32 SHT_GROUP = 17;
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static constexpr u32 SHT_SYMTAB_SHNDX = 18;
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static constexpr u32 SHT_GNU_HASH = 0x6ffffff6;
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static constexpr u32 SHT_GNU_VERDEF = 0x6ffffffd;
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static constexpr u32 SHT_GNU_VERNEED = 0x6ffffffe;
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static constexpr u32 SHT_GNU_VERSYM = 0x6fffffff;
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static constexpr u32 SHT_X86_64_UNWIND = 0x70000001;
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static constexpr u32 SHF_WRITE = 0x1;
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static constexpr u32 SHF_ALLOC = 0x2;
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static constexpr u32 SHF_EXECINSTR = 0x4;
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static constexpr u32 SHF_MERGE = 0x10;
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static constexpr u32 SHF_STRINGS = 0x20;
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static constexpr u32 SHF_INFO_LINK = 0x40;
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static constexpr u32 SHF_LINK_ORDER = 0x80;
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static constexpr u32 SHF_GROUP = 0x200;
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static constexpr u32 SHF_TLS = 0x400;
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static constexpr u32 SHF_COMPRESSED = 0x800;
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static constexpr u32 SHF_EXCLUDE = 0x80000000;
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static constexpr u32 GRP_COMDAT = 1;
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static constexpr u32 STT_NOTYPE = 0;
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static constexpr u32 STT_OBJECT = 1;
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static constexpr u32 STT_FUNC = 2;
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static constexpr u32 STT_SECTION = 3;
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static constexpr u32 STT_FILE = 4;
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static constexpr u32 STT_COMMON = 5;
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static constexpr u32 STT_TLS = 6;
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static constexpr u32 STT_GNU_IFUNC = 10;
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static constexpr u32 STB_LOCAL = 0;
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static constexpr u32 STB_GLOBAL = 1;
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static constexpr u32 STB_WEAK = 2;
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static constexpr u32 STB_GNU_UNIQUE = 10;
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static constexpr u32 STV_DEFAULT = 0;
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static constexpr u32 STV_INTERNAL = 1;
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static constexpr u32 STV_HIDDEN = 2;
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static constexpr u32 STV_PROTECTED = 3;
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static constexpr u32 VER_NDX_LOCAL = 0;
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static constexpr u32 VER_NDX_GLOBAL = 1;
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static constexpr u32 PT_NULL = 0;
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static constexpr u32 PT_LOAD = 1;
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static constexpr u32 PT_DYNAMIC = 2;
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static constexpr u32 PT_INTERP = 3;
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static constexpr u32 PT_NOTE = 4;
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static constexpr u32 PT_SHLIB = 5;
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static constexpr u32 PT_PHDR = 6;
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static constexpr u32 PT_TLS = 7;
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static constexpr u32 PT_GNU_STACK = 0x6474e551;
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static constexpr u32 PF_X = 1;
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static constexpr u32 PF_W = 2;
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static constexpr u32 PF_R = 4;
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static constexpr u32 ET_NONE = 0;
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static constexpr u32 ET_REL = 1;
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static constexpr u32 ET_EXEC = 2;
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static constexpr u32 ET_DYN = 3;
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static constexpr u32 ELFDATA2LSB = 1;
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static constexpr u32 ELFDATA2MSB = 2;
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static constexpr u32 ELFCLASS32 = 1;
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static constexpr u32 ELFCLASS64 = 2;
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static constexpr u32 EV_CURRENT = 1;
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static constexpr u32 EM_X86_64 = 62;
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static constexpr u32 EI_CLASS = 4;
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static constexpr u32 EI_DATA = 5;
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static constexpr u32 EI_VERSION = 6;
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static constexpr u32 EI_OSABI = 7;
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static constexpr u32 EI_ABIVERSION = 8;
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static constexpr u32 DT_NULL = 0;
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static constexpr u32 DT_NEEDED = 1;
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static constexpr u32 DT_PLTRELSZ = 2;
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static constexpr u32 DT_PLTGOT = 3;
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static constexpr u32 DT_HASH = 4;
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static constexpr u32 DT_STRTAB = 5;
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static constexpr u32 DT_SYMTAB = 6;
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static constexpr u32 DT_RELA = 7;
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static constexpr u32 DT_RELASZ = 8;
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static constexpr u32 DT_RELAENT = 9;
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static constexpr u32 DT_STRSZ = 10;
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static constexpr u32 DT_SYMENT = 11;
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static constexpr u32 DT_INIT = 12;
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static constexpr u32 DT_FINI = 13;
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static constexpr u32 DT_SONAME = 14;
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static constexpr u32 DT_RPATH = 15;
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static constexpr u32 DT_SYMBOLIC = 16;
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static constexpr u32 DT_REL = 17;
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static constexpr u32 DT_RELSZ = 18;
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static constexpr u32 DT_RELENT = 19;
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static constexpr u32 DT_PLTREL = 20;
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static constexpr u32 DT_DEBUG = 21;
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static constexpr u32 DT_TEXTREL = 22;
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static constexpr u32 DT_JMPREL = 23;
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static constexpr u32 DT_BIND_NOW = 24;
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static constexpr u32 DT_INIT_ARRAY = 25;
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static constexpr u32 DT_FINI_ARRAY = 26;
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static constexpr u32 DT_INIT_ARRAYSZ = 27;
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static constexpr u32 DT_FINI_ARRAYSZ = 28;
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static constexpr u32 DT_RUNPATH = 29;
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static constexpr u32 DT_FLAGS = 30;
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static constexpr u32 DT_VERSYM = 0x6ffffff0;
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static constexpr u32 DT_RELACOUNT = 0x6ffffff9;
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static constexpr u32 DT_RELCOUNT = 0x6ffffffa;
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static constexpr u32 DT_FLAGS_1 = 0x6ffffffb;
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static constexpr u32 DT_VERDEF = 0x6ffffffc;
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static constexpr u32 DT_VERDEFNUM = 0x6ffffffd;
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static constexpr u32 DT_VERNEED = 0x6ffffffe;
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static constexpr u32 DT_VERNEEDNUM = 0x6fffffff;
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static constexpr u32 DF_ORIGIN = 0x01;
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static constexpr u32 DF_SYMBOLIC = 0x02;
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static constexpr u32 DF_TEXTREL = 0x04;
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static constexpr u32 DF_BIND_NOW = 0x08;
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static constexpr u32 DF_STATIC_TLS = 0x10;
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static constexpr u32 DF_1_NOW = 0x00000001;
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static constexpr u32 DF_1_PIE = 0x08000000;
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static constexpr u32 R_X86_64_NONE = 0;
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static constexpr u32 R_X86_64_64 = 1;
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static constexpr u32 R_X86_64_PC32 = 2;
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static constexpr u32 R_X86_64_GOT32 = 3;
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static constexpr u32 R_X86_64_PLT32 = 4;
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static constexpr u32 R_X86_64_COPY = 5;
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static constexpr u32 R_X86_64_GLOB_DAT = 6;
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static constexpr u32 R_X86_64_JUMP_SLOT = 7;
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static constexpr u32 R_X86_64_RELATIVE = 8;
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static constexpr u32 R_X86_64_GOTPCREL = 9;
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static constexpr u32 R_X86_64_32 = 10;
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static constexpr u32 R_X86_64_32S = 11;
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static constexpr u32 R_X86_64_16 = 12;
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static constexpr u32 R_X86_64_PC16 = 13;
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static constexpr u32 R_X86_64_8 = 14;
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static constexpr u32 R_X86_64_PC8 = 15;
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static constexpr u32 R_X86_64_DTPMOD64 = 16;
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static constexpr u32 R_X86_64_DTPOFF64 = 17;
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static constexpr u32 R_X86_64_TPOFF64 = 18;
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static constexpr u32 R_X86_64_TLSGD = 19;
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static constexpr u32 R_X86_64_TLSLD = 20;
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static constexpr u32 R_X86_64_DTPOFF32 = 21;
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static constexpr u32 R_X86_64_GOTTPOFF = 22;
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static constexpr u32 R_X86_64_TPOFF32 = 23;
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static constexpr u32 R_X86_64_PC64 = 24;
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static constexpr u32 R_X86_64_GOTOFF64 = 25;
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static constexpr u32 R_X86_64_GOTPC32 = 26;
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static constexpr u32 R_X86_64_GOT64 = 27;
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static constexpr u32 R_X86_64_GOTPCREL64 = 28;
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static constexpr u32 R_X86_64_GOTPC64 = 29;
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static constexpr u32 R_X86_64_GOTPLT64 = 30;
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static constexpr u32 R_X86_64_PLTOFF64 = 31;
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static constexpr u32 R_X86_64_SIZE32 = 32;
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static constexpr u32 R_X86_64_SIZE64 = 33;
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static constexpr u32 R_X86_64_GOTPC32_TLSDESC = 34;
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static constexpr u32 R_X86_64_TLSDESC_CALL = 35;
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static constexpr u32 R_X86_64_TLSDESC = 36;
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static constexpr u32 R_X86_64_IRELATIVE = 37;
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static constexpr u32 R_X86_64_GOTPCRELX = 41;
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static constexpr u32 R_X86_64_REX_GOTPCRELX = 42;
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struct ElfSym {
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bool is_defined() const { return !is_undef(); }
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bool is_undef() const { return st_shndx == SHN_UNDEF; }
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bool is_abs() const { return st_shndx == SHN_ABS; }
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bool is_common() const { return st_shndx == SHN_COMMON; }
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u32 st_name;
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union {
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u8 st_info;
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struct {
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u8 st_type : 4;
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u8 st_bind : 4;
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};
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};
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union {
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u8 st_other;
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u8 st_visibility : 2;
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};
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u16 st_shndx;
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u64 st_value;
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u64 st_size;
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};
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struct ElfShdr {
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u32 sh_name;
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u32 sh_type;
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u64 sh_flags;
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u64 sh_addr;
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u64 sh_offset;
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u64 sh_size;
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u32 sh_link;
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u32 sh_info;
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u64 sh_addralign;
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u64 sh_entsize;
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};
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struct ElfEhdr {
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u8 e_ident[16];
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u16 e_type;
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u16 e_machine;
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u32 e_version;
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u64 e_entry;
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u64 e_phoff;
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u64 e_shoff;
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u32 e_flags;
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u16 e_ehsize;
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u16 e_phentsize;
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u16 e_phnum;
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u16 e_shentsize;
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u16 e_shnum;
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u16 e_shstrndx;
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};
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struct ElfPhdr {
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u32 p_type;
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u32 p_flags;
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u64 p_offset;
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u64 p_vaddr;
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u64 p_paddr;
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u64 p_filesz;
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u64 p_memsz;
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u64 p_align;
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};
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struct ElfRela {
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u64 r_offset;
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union {
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u64 r_info;
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struct {
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u32 r_type;
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u32 r_sym;
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};
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};
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i64 r_addend;
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};
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struct ElfDyn {
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i64 d_tag;
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union {
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u64 d_val;
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u64 d_ptr;
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};
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};
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struct ElfVerneed {
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u16 vn_version;
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u16 vn_cnt;
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u32 vn_file;
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u32 vn_aux;
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u32 vn_next;
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};
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struct ElfVernaux {
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u32 vna_hash;
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u16 vna_flags;
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u16 vna_other;
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u32 vna_name;
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u32 vna_next;
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};
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struct ElfVerdef {
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u16 vd_version;
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u16 vd_flags;
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u16 vd_ndx;
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u16 vd_cnt;
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u32 vd_hash;
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u32 vd_aux;
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u32 vd_next;
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};
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struct ElfVerdaux {
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u32 vda_name;
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u32 vda_next;
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};
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