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{
This file is part of the Free Pascal run time library.
Copyright (c) 2008 by Giulio Bernardi
Constants used by ELF resource reader and writer
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
unit elfconsts;
{$MODE OBJFPC}
interface
type
TElfMachineType = (emtnone, emtsparc, emti386, emtm68k, emtppc, emtppc64,
emtarm, emtarmeb, emtia64, emtx86_64, emtalpha,
emtmips, emtmipsel, emtppc64le, emtaarch64,
emtriscv32, emtriscv64);
const
ELFMAGIC = chr($7f)+'ELF';
//elf class
ELFCLASSNONE = 0;
ELFCLASS32 = 1;
ELFCLASS64 = 2;
//byte order
ELFDATANONE = 0;
ELFDATA2LSB = 1;
ELFDATA2MSB = 2;
//elf version
EV_NONE = 0;
EV_CURRENT = 1;
//OS ABI
ELFOSABI_NONE = 0; // UNIX System V ABI
ELFOSABI_LINUX = 3;
ELFOSABI_FREEBSD = 9;
ELFOSABI_ARM = 97;
//object file type
ET_NONE = 0;
ET_REL = 1;
ET_EXEC = 2;
ET_DYN = 3;
ET_CORE = 4;
ET_LOOS = $fe00; //os-specific
ET_HIOS = $feff;
ET_LOPROC = $ff00; //processor-specific
ET_HIPROC = $ffff;
//machine type
EM_NONE = 0;
EM_SPARC = 2;
EM_386 = 3;
EM_68K = 4;
EM_MIPS = 8; // GNU readelf returns machine name: "MIPS R3000"
EM_MIPS_RS3_LE = 10; // GNU readelf returns machine name: "MIPS R4000 big endian"!
EM_PPC = 20;
EM_PPC64 = 21;
EM_ARM = 40;
// EM_OLD_ALPHA = 41;
EM_IA_64 = 50;
EM_MIPS_X = 51; // GNU readelf returns machine name "Stanford MIPS-X"
EM_X86_64 = 62;
EM_AARCH64 = 183;
EM_ALPHA = $9026; //unofficial, but used by gnu toolchain
EM_RISCV = 243;
//machine-specific flags
EF_IA_64_ABI64 = $10; //wow, this is really a 64-bit object file!
//section type
SHT_NULL = 0;
SHT_PROGBITS = 1;
SHT_SYMTAB = 2;
SHT_STRTAB = 3;
SHT_RELA = 4;
SHT_HASH = 5;
SHT_DYNAMIC = 6;
SHT_NOTE = 7;
SHT_NOBITS = 8;
SHT_REL = 9;
SHT_SHLIB = 10;
SHT_DYNSYM = 11;
SHT_LOPROC = $70000000;
SHT_HIPROC = $7fffffff;
SHT_LOOS = $80000000;
SHT_HIOS = $ffffffff;
//section attribute flags
SHF_WRITE = 1;
SHF_ALLOC = 2;
SHF_EXECINSTR = 4;
SHF_MASKOS = $0f000000;
SHF_MASKPROC = $f0000000;
//symbol bindings
STB_LOCAL = 0;
STB_GLOBAL = 1;
STB_WEAK = 2;
STB_LOOS = 10;
STB_HIOS = 12;
STB_LOPROC = 13;
STB_HIPROC = 15;
//symbol types
STT_NOTYPE = 0;
STT_OBJECT = 1;
STT_FUNC = 2;
STT_SECTION = 3;
STT_FILE = 4;
STT_COMMON = 5;
STT_TLS = 6;
STT_LOOS = 10;
STT_HIOS = 12;
STT_LOPROC = 13;
STT_SPARC_REGISTER = 13;
STT_HIPROC = 15;
//direct, natural-size relocation types
R_386_32 = 1;
R_x86_64_64 = 1;
R_PPC_ADDR32 = 1;
R_PPC64_ADDR64 = 38;
R_ARM_ABS32 = 2;
R_AARCH64_ABS64 = 257;
R_68K_32 = 1;
R_SPARC_32 = 3;
R_ALPHA_REFQUAD = 2;
R_IA64_DIR64LSB = $27;
R_MIPS_32 = 2;
R_RISCV_32 = 1;
R_RISCV_64 = 2;
//fpc resource constants
RsrcSectName = 'fpc.resources';
HandlesSectName = 'fpc.reshandles';
RSRCSECT_IDX = 1;
HANDLESECT_IDX = 2;
implementation
end.
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