mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-22 10:49:02 +00:00
315 lines
9.7 KiB
C++
315 lines
9.7 KiB
C++
#pragma once
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#include <cstdint>
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#include "be_val.h"
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#pragma pack(push, 1)
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namespace elf
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{
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enum Machine : uint32_t // e_machine
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{
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EM_PPC = 20 // PowerPC
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};
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enum Encoding : uint32_t // e_encoding
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{
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ELFDATANONE = 0,
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ELFDATA2LSB = 1,
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ELFDATA2MSB = 2
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};
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enum Class : uint32_t // e_class
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{
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ELFCLASSNONE = 0,
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ELFCLASS32 = 1,
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ELFCLASS64 = 2
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};
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enum Version : uint32_t // e_elf_version
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{
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EV_NONE = 0,
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EV_CURRENT = 1,
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};
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enum FileType : uint32_t // e_type
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{
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ET_NONE = 0, // No file type
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ET_REL = 1, // Relocatable file
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ET_EXEC = 2, // Executable file
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ET_DYN = 3, // Shared object file
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ET_CORE = 4, // Core file
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ET_LOPROC = 0xff00, // Beginning of processor-specific codes
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ET_CAFE_RPL = 0xff01, // Cafe RPL file
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ET_HIPROC = 0xffff // Processor-specific
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};
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enum EABI : uint32_t // e_abi
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{
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EABI_CAFE = 0xcafe // WiiU CafeOS
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};
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enum SectionFlags : uint32_t // sh_flags
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{
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SHF_WRITE = 0x1,
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SHF_ALLOC = 0x2,
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SHF_EXECINSTR = 0x4,
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SHF_DEFLATED = 0x08000000,
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SHF_MASKPROC = 0xF0000000,
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};
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enum SectionType : uint32_t // sh_type
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{
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SHT_NULL = 0, // No associated section (inactive entry).
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SHT_PROGBITS = 1, // Program-defined contents.
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SHT_SYMTAB = 2, // Symbol table.
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SHT_STRTAB = 3, // String table.
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SHT_RELA = 4, // Relocation entries; explicit addends.
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SHT_HASH = 5, // Symbol hash table.
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SHT_DYNAMIC = 6, // Information for dynamic linking.
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SHT_NOTE = 7, // Information about the file.
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SHT_NOBITS = 8, // Data occupies no space in the file.
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SHT_REL = 9, // Relocation entries; no explicit addends.
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SHT_SHLIB = 10, // Reserved.
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SHT_DYNSYM = 11, // Symbol table.
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SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
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SHT_FINI_ARRAY = 15, // Pointers to termination functions.
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SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
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SHT_GROUP = 17, // Section group.
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SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
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SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
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SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
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SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
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SHT_RPL_EXPORTS = 0x80000001, // RPL Exports
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SHT_RPL_IMPORTS = 0x80000002, // RPL Imports
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SHT_RPL_CRCS = 0x80000003, // RPL CRCs
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SHT_RPL_FILEINFO = 0x80000004,// RPL FileInfo
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SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
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};
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enum SymbolBinding : uint32_t // st_info >> 4
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{
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STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
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STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
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STB_WEAK = 2, // Weak symbol, like global but lower-precedence
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STB_GNU_UNIQUE = 10,
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STB_LOOS = 10, // Lowest operating system-specific binding type
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STB_HIOS = 12, // Highest operating system-specific binding type
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STB_LOPROC = 13, // Lowest processor-specific binding type
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STB_HIPROC = 15 // Highest processor-specific binding type
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};
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enum SymbolType : uint32_t // st_info & f
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{
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STT_NOTYPE = 0, // Symbol's type is not specified
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STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.)
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STT_FUNC = 2, // Symbol is executable code (function, etc.)
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STT_SECTION = 3, // Symbol refers to a section
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STT_FILE = 4, // Local, absolute symbol that refers to a file
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STT_COMMON = 5, // An uninitialized common block
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STT_TLS = 6, // Thread local data object
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STT_LOOS = 7, // Lowest operating system-specific symbol type
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STT_HIOS = 8, // Highest operating system-specific symbol type
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STT_GNU_IFUNC = 10, // GNU indirect function
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STT_LOPROC = 13, // Lowest processor-specific symbol type
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STT_HIPROC = 15 // Highest processor-specific symbol type
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};
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enum SectionIndex : uint16_t // st_shndx
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{
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SHN_UNDEF = 0, // Undefined
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SHN_LORESERVE = 0xff00, // Reserved range
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SHN_ABS = 0xfff1, // Absolute symbols
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SHN_COMMON = 0xfff2, // Common symbols
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SHN_XINDEX = 0xffff, // Escape -- index stored elsewhere
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SHN_HIRESERVE = 0xffff
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};
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enum RelocationType : uint32_t // r_info & 0xff
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{
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R_PPC_NONE = 0,
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R_PPC_ADDR32 = 1,
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R_PPC_ADDR24 = 2,
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R_PPC_ADDR16 = 3,
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R_PPC_ADDR16_LO = 4,
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R_PPC_ADDR16_HI = 5,
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R_PPC_ADDR16_HA = 6,
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R_PPC_ADDR14 = 7,
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R_PPC_ADDR14_BRTAKEN = 8,
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R_PPC_ADDR14_BRNTAKEN = 9,
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R_PPC_REL24 = 10,
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R_PPC_REL14 = 11,
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R_PPC_REL14_BRTAKEN = 12,
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R_PPC_REL14_BRNTAKEN = 13,
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R_PPC_GOT16 = 14,
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R_PPC_GOT16_LO = 15,
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R_PPC_GOT16_HI = 16,
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R_PPC_GOT16_HA = 17,
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R_PPC_PLTREL24 = 18,
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R_PPC_JMP_SLOT = 21,
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R_PPC_RELATIVE = 22,
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R_PPC_LOCAL24PC = 23,
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R_PPC_REL32 = 26,
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R_PPC_TLS = 67,
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R_PPC_DTPMOD32 = 68,
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R_PPC_TPREL16 = 69,
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R_PPC_TPREL16_LO = 70,
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R_PPC_TPREL16_HI = 71,
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R_PPC_TPREL16_HA = 72,
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R_PPC_TPREL32 = 73,
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R_PPC_DTPREL16 = 74,
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R_PPC_DTPREL16_LO = 75,
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R_PPC_DTPREL16_HI = 76,
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R_PPC_DTPREL16_HA = 77,
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R_PPC_DTPREL32 = 78,
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R_PPC_GOT_TLSGD16 = 79,
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R_PPC_GOT_TLSGD16_LO = 80,
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R_PPC_GOT_TLSGD16_HI = 81,
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R_PPC_GOT_TLSGD16_HA = 82,
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R_PPC_GOT_TLSLD16 = 83,
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R_PPC_GOT_TLSLD16_LO = 84,
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R_PPC_GOT_TLSLD16_HI = 85,
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R_PPC_GOT_TLSLD16_HA = 86,
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R_PPC_GOT_TPREL16 = 87,
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R_PPC_GOT_TPREL16_LO = 88,
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R_PPC_GOT_TPREL16_HI = 89,
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R_PPC_GOT_TPREL16_HA = 90,
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R_PPC_GOT_DTPREL16 = 91,
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R_PPC_GOT_DTPREL16_LO = 92,
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R_PPC_GOT_DTPREL16_HI = 93,
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R_PPC_GOT_DTPREL16_HA = 94,
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R_PPC_TLSGD = 95,
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R_PPC_TLSLD = 96,
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R_PPC_EMB_SDA21 = 109,
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R_PPC_REL16 = 249,
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R_PPC_REL16_LO = 250,
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R_PPC_REL16_HI = 251,
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R_PPC_REL16_HA = 252,
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};
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enum RplFileInfoFlag : uint32_t
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{
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RPL_IS_RPX = 0x2,
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};
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static const unsigned HeaderMagic = 0x7f454c46;
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struct Header
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{
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be_val<uint32_t> magic; // File identification.
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be_val<uint8_t> fileClass; // File class.
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be_val<uint8_t> encoding; // Data encoding.
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be_val<uint8_t> elfVersion; // File version.
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be_val<uint16_t> abi; // OS/ABI identification. (EABI_*)
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be_val<uint8_t> pad[7];
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be_val<uint16_t> type; // Type of file (ET_*)
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be_val<uint16_t> machine; // Required architecture for this file (EM_*)
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be_val<uint32_t> version; // Must be equal to 1
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be_val<uint32_t> entry; // Address to jump to in order to start program
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be_val<uint32_t> phoff; // Program header table's file offset, in bytes
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be_val<uint32_t> shoff; // Section header table's file offset, in bytes
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be_val<uint32_t> flags; // Processor-specific flags
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be_val<uint16_t> ehsize; // Size of ELF header, in bytes
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be_val<uint16_t> phentsize; // Size of an entry in the program header table
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be_val<uint16_t> phnum; // Number of entries in the program header table
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be_val<uint16_t> shentsize; // Size of an entry in the section header table
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be_val<uint16_t> shnum; // Number of entries in the section header table
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be_val<uint16_t> shstrndx; // Sect hdr table index of sect name string table
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};
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CHECK_SIZE(Header, 0x34);
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struct SectionHeader
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{
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be_val<uint32_t> name; // Section name (index into string table)
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be_val<uint32_t> type; // Section type (SHT_*)
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be_val<uint32_t> flags; // Section flags (SHF_*)
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be_val<uint32_t> addr; // Address where section is to be loaded
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be_val<uint32_t> offset; // File offset of section data, in bytes
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be_val<uint32_t> size; // Size of section, in bytes
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be_val<uint32_t> link; // Section type-specific header table index link
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be_val<uint32_t> info; // Section type-specific extra information
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be_val<uint32_t> addralign; // Section address alignment
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be_val<uint32_t> entsize; // Size of records contained within the section
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};
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CHECK_SIZE(SectionHeader, 0x28);
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struct Symbol
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{
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be_val<uint32_t> name; // Symbol name (index into string table)
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be_val<uint32_t> value; // Value or address associated with the symbol
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be_val<uint32_t> size; // Size of the symbol
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be_val<uint8_t> info; // Symbol's type and binding attributes
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be_val<uint8_t> other; // Must be zero; reserved
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be_val<uint16_t> shndx; // Which section (header table index) it's defined in (SHN_*)
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};
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CHECK_SIZE(Symbol, 0x10);
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struct Rela
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{
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be_val<uint32_t> offset;
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be_val<uint32_t> info;
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be_val<int32_t> addend;
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};
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CHECK_SIZE(Rela, 0x0C);
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struct RplImport
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{
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be_val<uint32_t> count;
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be_val<uint32_t> signature;
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char name[1];
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};
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struct RplExport
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{
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struct Export
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{
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be_val<uint32_t> value;
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be_val<uint32_t> name;
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};
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be_val<uint32_t> count;
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be_val<uint32_t> signature;
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Export exports[1];
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};
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struct RplCrc
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{
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be_val<uint32_t> crc;
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};
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CHECK_SIZE(RplCrc, 0x04);
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struct RplFileInfo
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{
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be_val<uint32_t> version;
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be_val<uint32_t> textSize;
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be_val<uint32_t> textAlign;
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be_val<uint32_t> dataSize;
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be_val<uint32_t> dataAlign;
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be_val<uint32_t> loadSize;
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be_val<uint32_t> loadAlign;
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be_val<uint32_t> tempSize;
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be_val<uint32_t> trampAdjust;
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be_val<uint32_t> sdaBase;
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be_val<uint32_t> sda2Base;
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be_val<uint32_t> stackSize;
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be_val<uint32_t> filename;
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be_val<uint32_t> flags;
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be_val<uint32_t> heapSize;
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be_val<uint32_t> tagOffset;
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be_val<uint32_t> minVersion;
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be_val<int32_t> compressionLevel;
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be_val<uint32_t> trampAddition;
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be_val<uint32_t> fileInfoPad;
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be_val<uint32_t> cafeSdkVersion;
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be_val<uint32_t> cafeSdkRevision;
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be_val<uint16_t> tlsModuleIndex;
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be_val<uint16_t> tlsAlignShift;
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be_val<uint32_t> runtimeFileInfoSize;
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};
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CHECK_SIZE(RplFileInfo, 0x60);
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} // namespace elf
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#pragma pack(pop)
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