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/##
Copyright 2021 Kyle Gunger
This file is licensed under the CDDL 1.0 (the License)
and may only be used in accordance with the License.
You should have received a copy of the License with this
software/source code. If you did not, a copy can be found
at the following URL:
https://opensource.org/licenses/CDDL-1.0
THIS SOFTWARE/SOURCE CODE IS PROVIDED "AS IS" WITH NO
WARRANTY, GUARANTEE, OR CLAIM OF FITNESS FOR ANY PURPOSE
EXPRESS OR IMPLIED
#/
# Constants and values used in ELF files
# File signature
;const {4}uint8 SIGNATURE_ELF = {0x7F, 'E', 'L', 'F'}
# ELF version always 1
;const uint8 VERSION_ELF = 1
# OS identifiers (from wikipedia)
;enum ABI_ELF [uint8] {
SystemV = 0x0,
HP_UX = 0x1,
NetBSD = 0x2,
Linux = 0x3,
GNUHurd = 0x4,
Solaris = 0x6,
AIX = 0x7,
IRIX = 0x8,
FreeBSD = 0x9,
Tru64 = 0xA,
OpenBSD = 0xC,
OpenVMS = 0xD
}
# ELF file types (from wikipedia)
;enum TYPE_ELF [uint16] {
ET_NONE = 0x0,
ET_REL = 0x1,
ET_EXEC = 0x2,
ET_DYN = 0x3,
ET_CORE = 0x4,
ET_LOOS = 0xFE00,
ET_HIOS = 0xFEFF,
ET_LOPROC = 0xFF00,
ET_HIPROC = 0xFFFF
}
# ISA (from wikipedia)
;enum ARCH_ELF [uint16] {
NONE = 0x0,
SPARC = 0x2,
x86_32 = 0x3,
MIPS = 0x8,
PowerPC = 0x14,
PowerPC64 = 0x15,
ARM = 0x28,
SPARC9 = 0x2B,
IA_64 = 0x32,
x86_64 = 0x3E,
ARM64 = 0xB7,
RISC_V = 0xF3
}
# Some zeros to fill out the pad in the header
;const {7}uint8 PAD_ZEROS_ELF = {0, 0, 0, 0, 0, 0, 0}
# Internal file structures
# Identity inside header
;raw struct IdentityELF {
{4}uint8
signature,
uint8
class,
data,
version,
abi,
# Usually zero
abiVersion,
{7}uint8
# Filled with zeros, use PAD_ZEROS_ELF to fill out
pad
}
# Main header (32 bit)
;raw struct HeaderELF32 {
IdentityELF
identity,
uint16
fileType,
arch,
{4}uint8
version,
entry,
programHeader,
sectionHeader,
{4}uint8
flags,
uint16
headerSize,
programHeaderSize,
programHeaderEntries,
sectionHeaderSize,
sectionHeaderEntries,
shNameIndex
}
# Main header (64 bit)
;raw struct HeaderELF64 {
IdentityELF
identity,
uint16
fileType,
arch,
{4}uint8
version,
{8}uint8
entry,
programHeader,
sectionHeader,
{4}uint8
flags,
uint16
headerSize,
programHeaderSize,
programHeaderEntries,
sectionHeaderSize,
sectionHeaderEntries,
shNameIndex
}
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