shadPS4/emulator/Loader/Elf.h

260 lines
9.0 KiB
C++

#pragma once
#include <string>
#include <inttypes.h>
#include "../types.h"
#include "../Core/FsFile.h"
struct self_header
{
static const u32 signature = 0x1D3D154Fu;
u32 magic;
u08 version;
u08 mode;
u08 endian;// 1 is little endian
u08 attributes;
u08 category;
u08 program_type;
u16 padding1;
u16 header_size;
u16 meta_size;
u32 file_size;
u32 padding2;
u16 segment_count;
u16 unknown1A; //always 0x22
u32 padding3;
};
struct self_segment_header
{
u64 flags;
u64 file_offset;
u64 file_size;
u64 memory_size;
};
constexpr u08 EI_MAG0 = 0;/* e_ident[] indexes */
constexpr u08 EI_MAG1 = 1;
constexpr u08 EI_MAG2 = 2;
constexpr u08 EI_MAG3 = 3;
constexpr u08 EI_CLASS = 4;
constexpr u08 EI_DATA = 5;
constexpr u08 EI_VERSION = 6;
constexpr u08 EI_OSABI = 7;
constexpr u08 EI_ABIVERSION = 8;
// Magic number
constexpr u08 ELFMAG0 = 0x7F;
constexpr u08 ELFMAG1 = 'E';
constexpr u08 ELFMAG2 = 'L';
constexpr u08 ELFMAG3 = 'F';
//other ident fields , only ps4 neccesary ones
constexpr u08 ELFCLASS64 = 2;
constexpr u08 ELFDATA2LSB = 1;
constexpr u08 ELFOSABI_FREEBSD = 9; // FreeBSD
constexpr u08 ELFABIVERSION_AMDGPU_HSA_V2 = 0;
//type fields PS4 specific
constexpr u16 ET_DYNEXEC = 0xFE10; // Executable file
constexpr u16 ET_DYNAMIC = 0xFE18; // Shared
typedef enum : u16 {
ET_NONE = 0x0,
ET_REL = 0x1,
ET_EXEC = 0x2,
ET_DYN = 0x3,
ET_CORE = 0x4,
ET_SCE_EXEC = 0xfe00,
ET_SCE_STUBLIB = 0xfe0c,
ET_SCE_DYNEXEC = 0xfe10,
ET_SCE_DYNAMIC = 0xfe18
} e_type_s;
typedef enum : u16 {
EM_NONE = 0, /* No machine */
EM_M32 = 1, /* AT&T WE 32100 */
EM_SPARC = 2, /* SPARC */
EM_386 = 3, /* Intel 80386 */
EM_68K = 4, /* Motorola 68000 */
EM_88K = 5, /* Motorola 88000 */
EM_860 = 7, /* Intel 80860 */
EM_MIPS = 8, /* MIPS I Architecture */
EM_S370 = 9, /* IBM System/370 Processor */
EM_MIPS_RS3_LE = 10, /* MIPS RS3000 Little-endian */
EM_PARISC = 15, /* Hewlett-Packard PA-RISC */
EM_VPP500 = 17, /* Fujitsu VPP500 */
EM_SPARC32PLUS = 18, /* Enhanced instruction set SPARC */
EM_960 = 19, /* Intel 80960 */
EM_PPC = 20, /* PowerPC */
EM_PPC64 = 21, /* 64-bit PowerPC */
EM_S390 = 22, /* IBM System/390 Processor */
EM_V800 = 36, /* NEC V800 */
EM_FR20 = 37, /* Fujitsu FR20 */
EM_RH32 = 38, /* TRW RH-32 */
EM_RCE = 39, /* Motorola RCE */
EM_ARM = 40, /* Advanced RISC Machines ARM */
EM_ALPHA = 41, /* Digital Alpha */
EM_SH = 42, /* Hitachi SH */
EM_SPARCV9 = 43, /* SPARC Version 9 */
EM_TRICORE = 44, /* Siemens TriCore embedded processor */
EM_ARC = 45, /* Argonaut RISC Core, Argonaut Technologies Inc. */
EM_H8_300 = 46, /* Hitachi H8/300 */
EM_H8_300H = 47, /* Hitachi H8/300H */
EM_H8S = 48, /* Hitachi H8S */
EM_H8_500 = 49, /* Hitachi H8/500 */
EM_IA_64 = 50, /* Intel IA-64 processor architecture */
EM_MIPS_X = 51, /* Stanford MIPS-X */
EM_COLDFIRE = 52, /* Motorola ColdFire */
EM_68HC12 = 53, /* Motorola M68HC12 */
EM_MMA = 54, /* Fujitsu MMA Multimedia Accelerator */
EM_PCP = 55, /* Siemens PCP */
EM_NCPU = 56, /* Sony nCPU embedded RISC processor */
EM_NDR1 = 57, /* Denso NDR1 microprocessor */
EM_STARCORE = 58, /* Motorola Star*Core processor */
EM_ME16 = 59, /* Toyota ME16 processor */
EM_ST100 = 60, /* STMicroelectronics ST100 processor */
EM_TINYJ = 61, /* Advanced Logic Corp. TinyJ embedded processor family */
EM_X86_64 = 62, /* AMD x86-64 architecture (PS4) */
EM_PDSP = 63, /* Sony DSP Processor */
EM_PDP10 = 64, /* Digital Equipment Corp. PDP-10 */
EM_PDP11 = 65, /* Digital Equipment Corp. PDP-11 */
EM_FX66 = 66, /* Siemens FX66 microcontroller */
EM_ST9PLUS = 67, /* STMicroelectronics ST9+ 8/16 bit microcontroller */
EM_ST7 = 68, /* STMicroelectronics ST7 8-bit microcontroller */
EM_68HC16 = 69, /* Motorola MC68HC16 Microcontroller */
EM_68HC11 = 70, /* Motorola MC68HC11 Microcontroller */
EM_68HC08 = 71, /* Motorola MC68HC08 Microcontroller */
EM_68HC05 = 72, /* Motorola MC68HC05 Microcontroller */
EM_SVX = 73, /* Silicon Graphics SVx */
EM_ST19 = 75, /* Digital VAX */
EM_CRIS = 76, /* Axis Communications 32-bit embedded processor */
EM_JAVELIN = 77, /* Infineon Technologies 32-bit embedded processor */
EM_FIREPATH = 78, /* Element 14 64-bit DSP Processor */
EM_ZSP = 79, /* LSI Logic 16-bit DSP Processor */
EM_MMIX = 80, /* Donald Knuth's educational 64-bit processor */
EM_HUANY = 81, /* Harvard University machine-independent object files */
EM_PRISM = 82, /* SiTera Prism */
EM_AVR = 83, /* Atmel AVR 8-bit microcontroller */
EM_FR30 = 84, /* Fujitsu FR30 */
EM_D10V = 85, /* Mitsubishi D10V */
EM_D30V = 86, /* Mitsubishi D30V */
EM_V850 = 87, /* NEC v850 */
EM_M32R = 88, /* Mitsubishi M32R */
EM_MN10300 = 89, /* Matsushita MN10300 */
EM_MN10200 = 90, /* Matsushita MN10200 */
EM_PJ = 91, /* PicoJava */
EM_OPENRISC = 92, /* OpenRISC 32-bit embedded processor */
EM_ARC_A5 = 93, /* ARC Cores Tangent-A5 */
EM_XTENSA = 94, /* Tensilica Xtensa Architecture */
EM_VIDEOCORE = 95, /* Alphamosaic VideoCore processor */
EM_TMM_GPP = 96, /* Thompson Multimedia General Purpose Processor */
EM_NS32K = 97, /* National Semiconductor 32000 series */
EM_TPC = 98, /* Tenor Network TPC processor */
EM_SNP1K = 99, /* Trebia SNP 1000 processor */
EM_ST200 = 100, /* STMicroelectronics (www.st.com) ST200 microcontroller */
EM_IP2K = 101, /* Ubicom IP2xxx microcontroller family */
EM_MAX = 102, /* MAX Processor */
EM_CR = 103, /* National Semiconductor CompactRISC microprocessor */
EM_F2MC16 = 104, /* Fujitsu F2MC16 */
EM_MSP430 = 105, /* Texas Instruments embedded microcontroller msp430 */
EM_BLACKFIN = 106, /* Analog Devices Blackfin (DSP) processor */
EM_SE_C33 = 107, /* S1C33 Family of Seiko Epson processors */
EM_SEP = 108, /* Sharp embedded microprocessor */
EM_ARCA = 109, /* Arca RISC Microprocessor */
EM_UNICORE = 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC */
} e_machine_es;
typedef enum :u32 {
EV_NONE = 0x0,
EV_CURRENT = 0x1
} e_version_es;
struct elf_header
{
u08 e_ident[16]; /* ELF identification */
e_type_s e_type; /* Object file type */
e_machine_es e_machine; /* Machine type */
e_version_es e_version; /* Object file version */
u64 e_entry; /* Entry point address */
u64 e_phoff; /* Program header offset */
u64 e_shoff; /* Section header offset */
u32 e_flags; /* Processor-specific flags */
u16 e_ehsize; /* ELF header size */
u16 e_phentsize; /* Size of program header entry */
u16 e_phnum; /* Number of program header entries */
u16 e_shentsize; /* Size of section header entry */
u16 e_shnum; /* Number of section header entries */
u16 e_shstrndx; /* Section name string table index */
};
struct elf_program_header
{
u32 p_type; /* Type of segment */
u32 p_flags; /* Segment attributes */
u64 p_offset; /* Offset in file */
u64 p_vaddr; /* Virtual address in memory */
u64 p_paddr; /* Reserved */
u64 p_filesz; /* Size of segment in file */
u64 p_memsz; /* Size of segment in memory */
u64 p_align; /* Alignment of segment */
};
struct elf_section_header
{
u32 sh_name; /* Section name */
u32 sh_type; /* Section type */
u64 sh_flags; /* Section attributes */
u64 sh_addr; /* Virtual address in memory */
u64 sh_offset; /* Offset in file */
u64 sh_size; /* Size of section */
u32 sh_link; /* Link to other section */
u32 sh_info; /* Miscellaneous information */
u64 sh_addralign; /* Address alignment boundary */
u64 sh_entsize; /* Size of entries, if section has table */
};
typedef enum :u64 {
PT_FAKE = 0x1,
PT_NPDRM_EXEC = 0x4,
PT_NPDRM_DYNLIB = 0x5,
PT_SYSTEM_EXEC = 0x8,
PT_SYSTEM_DYNLIB = 0x9,
PT_HOST_KERNEL = 0xC,
PT_SECURE_MODULE = 0xE,
PT_SECURE_KERNEL = 0xF
} program_type_es;
struct elf_program_id_header
{
u64 authid;
program_type_es program_type;
u64 appver;
u64 firmver;
u08 digest[32];
};
class Elf
{
public:
Elf() = default;
virtual ~Elf();
void Open(const std::string & file_name);
bool isSelfFile() const;
bool isElfFile() const;
void DebugDump();
private:
void Reset();
FsFile* m_f = nullptr;
self_header* m_self = nullptr;
self_segment_header* m_self_segments = nullptr;
elf_header* m_elf_header = nullptr;
elf_program_header* m_elf_phdr = nullptr;
elf_section_header* m_elf_shdr = nullptr;
elf_program_id_header* m_self_id_header = nullptr;
};