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nulldc-360/nullDC/dc/mem/Elf.h

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/*
** Elf.h * Executable & Linkable Format (ELF) Support *
* *****************************************************
* ZeZu[2/11/04] Rev.1 ZeZu[8/14/05]
*/
#pragma once // msc
#include "types.h"
typedef u8 Elf32_Byte;
typedef u16 Elf32_Half;
typedef u32 Elf32_Word;
typedef s32 Elf32_Sword;
typedef u32 Elf32_Off;
typedef u32 Elf32_Addr;
/* ********************** HEADER *****************************
*/
#define EI_NIDENT 16
typedef struct
{
unsigned char e_ident[ EI_NIDENT ] ;
Elf32_Half e_type ; // File Type
Elf32_Half e_machine ; // Machine/Architecture
Elf32_Word e_version ; // File version
Elf32_Addr e_entry ; // Virtual Address to Entry Point
Elf32_Off e_phoff ; // Program header table<6C>s file offset in bytes.
Elf32_Off e_shoff ; // Section header table<6C>s file offset in bytes.
Elf32_Word e_flags ; // Processor-specific flags associated with the file.
Elf32_Half e_ehsize ; // ELF header<65>s size in bytes.
Elf32_Half e_phentsize ; // Size of entry in program header table; ( bytes )
Elf32_Half e_phnum ; // Number of entries in the program header table.
Elf32_Half e_shentsize ; // Size of entry in section header table ( bytes )
Elf32_Half e_shnum ; // Number of entries in the section header table.
Elf32_Half e_shstrndx ; // Section header table index of entry associated with section name string table.
} Elf32_Ehdr ;
// e_type
#define ET_NONE 0x0000 // No File Type
#define ET_REL 0x0001 // Relocatable File
#define ET_EXEC 0x0002 // Executable File
#define ET_DYN 0x0003 // Shared Object File
#define ET_CORE 0x0004 // Core File
#define ET_LOOS 0xFE00 //
#define ET_HIOS 0xFEFF //
#define ET_LOPROC 0xFF00 // Processor-Specific
#define ET_HIPROC 0xFFFF // Processor-Specific
// e_machine
#define EM_NONE 0 // No machine
#define EM_M32 1 // AT&T WE 32100
#define EM_SPARC 2 // SPARC
#define EM_386 3 // Intel 80386
#define EM_68K 4 // Motorola 68000
#define EM_88K 5 // Motorola 88000
//reserved 6 Reserved for future use (was EM_486)
#define EM_860 7 // Intel 80860
#define EM_MIPS 8 // MIPS I Architecture
#define EM_S370 9 // IBM System/370 Processor
#define EM_MIPS_RS3_LE 10 // MIPS RS3000 Little-endian
//reserved 11-14 Reserved for future use
#define EM_PARISC 15 // Hewlett-Packard PA-RISC
#define EM_RESERVED 16 // Reserved for future use
#define EM_VPP500 17 // Fujitsu VPP500
#define EM_SPARC32PLUS 18 // Enhanced instruction set SPARC
#define EM_960 19 // Intel 80960
#define EM_PPC 20 // PowerPC
#define EM_PPC64 21 // 64-bit PowerPC
#define EM_S390 22 // IBM System/390 Processor
//reserved 23-35 Reserved for future use
#define EM_V800 36 // NEC V800
#define EM_FR20 37 // Fujitsu FR20
#define EM_RH32 38 // TRW RH-32
#define EM_RCE 39 // Motorola RCE
#define EM_ARM 40 // Advanced RISC Machines ARM
#define EM_ALPHA 41 // Digital Alpha
#define EM_SH 42 // Hitachi SH
#define EM_SPARCV9 43 // SPARC Version 9
#define EM_TRICORE 44 // Siemens TriCore embedded processor
#define EM_ARC 45 // Argonaut RISC Core, Argonaut Technologies Inc.
#define EM_H8_300 46 // Hitachi H8/300
#define EM_H8_300H 47 // Hitachi H8/300H
#define EM_H8S 48 // Hitachi H8S
#define EM_H8_500 49 // Hitachi H8/500
#define EM_IA_64 50 // Intel IA-64 processor architecture
#define EM_MIPS_X 51 // Stanford MIPS-X
#define EM_COLDFIRE 52 // Motorola ColdFire
#define EM_68HC12 53 // Motorola M68HC12
#define EM_MMA 54 // Fujitsu MMA Multimedia Accelerator
#define EM_PCP 55 // Siemens PCP
#define EM_NCPU 56 // Sony nCPU embedded RISC processor
#define EM_NDR1 57 // Denso NDR1 microprocessor
#define EM_STARCORE 58 // Motorola Star*Core processor
#define EM_ME16 59 // Toyota ME16 processor
#define EM_ST100 60 // STMicroelectronics ST100 processor
#define EM_TINYJ 61 // Advanced Logic Corp. TinyJ embedded processor family
#define EM_X86_64 62 // AMD x86-64 architecture
#define EM_PDSP 63 // Sony DSP Processor
//reserved 64-65 Reserved for future use
#define EM_FX66 66 // Siemens FX66 microcontroller
#define EM_ST9PLUS 67 // STMicroelectronics ST9+ 8/16 bit microcontroller
#define EM_ST7 68 // STMicroelectronics ST7 8-bit microcontroller
#define EM_68HC16 69 // Motorola MC68HC16 Microcontroller
#define EM_68HC11 70 // Motorola MC68HC11 Microcontroller
#define EM_68HC08 71 // Motorola MC68HC08 Microcontroller
#define EM_68HC05 72 // Motorola MC68HC05 Microcontroller
#define EM_SVX 73 // Silicon Graphics SVx
#define EM_ST19 74 // STMicroelectronics ST19 8-bit microcontroller
#define EM_VAX 75 // Digital VAX
#define EM_CRIS 76 // Axis Communications 32-bit embedded processor
#define EM_JAVELIN 77 // Infineon Technologies 32-bit embedded processor
#define EM_FIREPATH 78 // Element 14 64-bit DSP Processor
#define EM_ZSP 79 // LSI Logic 16-bit DSP Processor
#define EM_MMIX 80 // Donald Knuth's educational 64-bit processor
#define EM_HUANY 81 // Harvard University machine-independent object files
#define EM_PRISM 82 // SiTera Prism
#define EM_AVR 83 // Atmel AVR 8-bit microcontroller
#define EM_FR30 84 // Fujitsu FR30
#define EM_D10V 85 // Mitsubishi D10V
#define EM_D30V 86 // Mitsubishi D30V
#define EM_V850 87 // NEC v850
#define EM_M32R 88 // Mitsubishi M32R
#define EM_MN10300 89 // Matsushita MN10300
#define EM_MN10200 90 // Matsushita MN10200
#define EM_PJ 91 // picoJava
#define EM_OPENRISC 92 // OpenRISC 32-bit embedded processor
#define EM_ARC_A5 93 // ARC Cores Tangent-A5
#define EM_XTENSA 94 // Tensilica Xtensa Architecture
// e_version
#define EV_NONE 0
#define EV_CURRENT 1
// e_ident
#define EI_MAG0 0 // 0x7F
#define EI_MAG1 1 // 'E'
#define EI_MAG2 2 // 'L'
#define EI_MAG3 3 // 'F'
#define EI_CLASS 4 // File class
#define EI_DATA 5 // Data encoding
#define EI_VERSION 6 // File version
#define EI_OSABI 7 // ...
#define EI_ABIVERSION 8 // ...
#define EI_PAD 9 // Start of padding bytes
#define EI_NIDENT 16 // Size of e_ident[]
// IE_CLASS
#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2
// IE_DATA
#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
// OS extensions
#define ELFOSABI_NONE 0 // No extensions or unspecified
#define ELFOSABI_HPUX 1 // Hewlett-Packard HP-UX
#define ELFOSABI_NETBSD 2 // NetBSD
#define ELFOSABI_LINUX 3 // Linux
#define ELFOSABI_SOLARIS 6 // Sun Solaris
#define ELFOSABI_AIX 7 // AIX
#define ELFOSABI_IRIX 8 // IRIX
#define ELFOSABI_FREEBSD 9 // FreeBSD
#define ELFOSABI_TRU64 10 // Compaq TRU64 UNIX
#define ELFOSABI_MODESTO 11 // Novell Modesto
#define ELFOSABI_OPENBSD 12 // Open BSD
/* ********************** SECTIONS *****************************
*/
// Section header
struct Elf32_Shdr {
Elf32_Word sh_name; // Section Name ( index to section header string table )
Elf32_Word sh_type; // Section Type
Elf32_Word sh_flags; // Section Flags ( each 1 bit )
Elf32_Addr sh_addr; // If in memory image, this member gives addr of section<6F>s first byte.
Elf32_Off sh_offset; // byte offset from the beginning of the file to the first byte in the section.
Elf32_Word sh_size; // section<6F>s size in bytes.
Elf32_Word sh_link; // section header table index link.
Elf32_Word sh_info; // extra information,
Elf32_Word sh_addralign; //
Elf32_Word sh_entsize; // size in bytes of each entry, for fixed size entries ( symbol table )
};
// Segment header
struct Elf32_Phdr {
Elf32_Word p_type;
Elf32_Off p_offset;
Elf32_Addr p_vaddr;
Elf32_Addr p_paddr;
Elf32_Word p_filesz;
Elf32_Word p_memsz;
Elf32_Word p_flags;
Elf32_Word p_align;
};
// Symbol table entry
struct Elf32_Sym {
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
};
#define ELF32_ST_BIND(i) ((i)>>4)
#define ELF32_ST_TYPE(i) ((i)&0xf)
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
#define ELF32_ST_VISIBILITY(o) ((o)&0x3)
// Relocation entries
struct Elf32_Rel {
Elf32_Addr r_offset;
Elf32_Word r_info;
};
struct Elf32_Rela {
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
};
#define ELF32_R_SYM(i) ((i)>>8)
#define ELF32_R_TYPE(i) ((unsigned char)(i))
#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
// Dynamic structure
struct Elf32_Dyn {
Elf32_Sword d_tag;
union {
Elf32_Word d_val;
Elf32_Addr d_ptr;
} d_un;
};
// Section indexes
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xFF00
#define SHN_LOPROC 0xFF00
#define SHN_HIPROC 0xFF1F
#define SHN_LOOS 0xFF20
#define SHN_HIOS 0xFF3F
#define SHN_ABS 0xFFF1
#define SHN_COMMON 0xFFF2
#define SHN_XINDEX 0xFFFF
#define SHN_HIRESERVE 0xFFFF
// Section types
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_INIT_ARRAY 14
#define SHT_FINI_ARRAY 15
#define SHT_PREINIT_ARRAY 16
#define SHT_GROUP 17
#define SHT_SYMTAB_SHNDX 18
#define SHT_LOOS 0x60000000
#define SHT_HIOS 0x6fffffff
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7FFFFFFF
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xFFFFFFFF
// Section flags
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
#define SHF_MERGE 0x10
#define SHF_STRINGS 0x20
#define SHF_INFO_LINK 0x40
#define SHF_LINK_ORDER 0x80
#define SHF_OS_NONCONFORMING 0x100
#define SHF_GROUP 0x200
#define SHF_TLS 0x400
#define SHF_MASKOS 0x0ff00000
#define SHF_MASKPROC 0xF0000000
// Section group flags
#define GRP_COMDAT 0x1
#define GRP_MASKOS 0x0ff00000
#define GRP_MASKPROC 0xf0000000
// Symbol binding
#define STB_LOCAL 0
#define STB_GLOBAL 1
#define STB_WEAK 2
#define STB_LOOS 10
#define STB_HIOS 12
#define STB_LOPROC 13
#define STB_HIPROC 15
// Symbol types
#define STT_NOTYPE 0
#define STT_OBJECT 1
#define STT_FUNC 2
#define STT_SECTION 3
#define STT_FILE 4
#define STT_COMMON 5
#define STT_TLS 6
#define STT_LOOS 10
#define STT_HIOS 12
#define STT_LOPROC 13
#define STT_HIPROC 15
// Symbol visibility
#define STV_DEFAULT 0
#define STV_INTERNAL 1
#define STV_HIDDEN 2
#define STV_PROTECTED 3
// Undefined name
#define STN_UNDEF 0
// Relocation types
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GOT32 3
#define R_386_PLT32 4
#define R_386_COPY 5
#define R_386_GLOB_DAT 6
#define R_386_JMP_SLOT 7
#define R_386_RELATIVE 8
#define R_386_GOTOFF 9
#define R_386_GOTPC 10
// Segment types
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_TLS 7
#define PT_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7FFFFFFF
// Segment flags
#define PF_X 1
#define PF_W 2
#define PF_R 4
#define PF_MASKOS 0x0ff00000
#define PF_MASKPROC 0xf0000000
// Dynamic Array Tags
#define DT_NULL 0
#define DT_NEEDED 1
#define DT_PLTRELSZ 2
#define DT_PLTGOT 3
#define DT_HASH 4
#define DT_STRTAB 5
#define DT_SYMTAB 6
#define DT_RELA 7
#define DT_RELASZ 8
#define DT_RELAENT 9
#define DT_STRSZ 10
#define DT_SYMENT 11
#define DT_INIT 12
#define DT_FINI 13
#define DT_SONAME 14
#define DT_RPATH 15
#define DT_SYMBOLIC 16
#define DT_REL 17
#define DT_RELSZ 18
#define DT_RELENT 19
#define DT_PLTREL 20
#define DT_DEBUG 21
#define DT_TEXTREL 22
#define DT_JMPREL 23
#define DT_BIND_NOW 24
#define DT_INIT_ARRAY 25
#define DT_FINI_ARRAY 26
#define DT_INIT_ARRAYSZ 27
#define DT_FINI_ARRAYSZ 28
#define DT_RUNPATH 29
#define DT_FLAGS 30
#define DT_ENCODING 32
#define DT_PREINIT_ARRAY 32
#define DT_PREINIT_ARRAYSZ 33
#define DT_LOOS 0x6000000D
#define DT_HIOS 0x6ffff000
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7FFFFFFF
// DT_FLAGS values
#define DF_ORIGIN 0x1
#define DF_SYMBOLIC 0x2
#define DF_TEXTREL 0x4
#define DF_BIND_NOW 0x8
#define DF_STATIC_TLS 0x10
/////////////////////////////////////////////////////////////////////
bool LoadELF( char* szFileName );
int GetSymbName(u32 address,char *szDesc,bool bUseUnkAddress);
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