--- /dev/null
+/**\r
+ * \file elf.h\r
+ * \brief ELF Exeutable Loader\r
+ */\r
+#ifndef _BIN_ELF_H\r
+#define _BIN_ELF_H\r
+\r
+typedef Uint16 Elf64_Half;\r
+typedef Uint32 Elf64_Word;\r
+typedef Uint64 Elf64_Addr;\r
+typedef Uint64 Elf64_Off;\r
+typedef Uint64 Elf64_Xword;\r
+\r
+enum e_ident_values\r
+{\r
+ EI_MAG0,\r
+ EI_MAG1,\r
+ EI_MAG2,\r
+ EI_MAG3,\r
+ EI_CLASS,\r
+ EI_DATA,\r
+ EI_VERSION,\r
+ EI_OSABI,\r
+ EI_ABIVERSION,\r
+ EI_PAD,\r
+ EI_NIDENT = 16,\r
+};\r
+\r
+#define ELFCLASS32 1\r
+#define ELFCLASS64 2\r
+\r
+/**\r
+ * \brief ELF File Header\r
+ */\r
+struct sElf32_Ehdr\r
+{\r
+ union {\r
+ char ident[16]; //!< Identifier Bytes\r
+ struct {\r
+ Uint Ident1;\r
+ Uint Ident2;\r
+ Uint HashTable;\r
+ Uint SymTable;\r
+ } misc;\r
+ };\r
+ Uint16 filetype; //!< File Type\r
+ Uint16 machine; //!< Machine / Arch\r
+ Uint32 version; //!< Version (File?)\r
+ Uint32 entrypoint; //!< Entry Point\r
+ Uint32 phoff; //!< Program Header Offset\r
+ Uint32 shoff; //!< Section Header Offset\r
+ Uint32 flags; //!< Flags\r
+ Uint16 headersize; //!< Header Size\r
+ Uint16 phentsize; //!< Program Header Entry Size\r
+ Uint16 phentcount; //!< Program Header Entry Count\r
+ Uint16 shentsize; //!< Section Header Entry Size\r
+ Uint16 shentcount; //!< Section Header Entry Count\r
+ Uint16 shstrindex; //!< Section Header String Table Index\r
+} __attribute__ ((packed));\r
+\r
+typedef struct\r
+{\r
+ unsigned char e_ident[16];\r
+ Elf64_Half e_type;\r
+ Elf64_Half e_machine;\r
+ Elf64_Word e_version;\r
+ Elf64_Addr e_entry;\r
+ Elf64_Off e_phoff;\r
+ Elf64_Off e_shoff;\r
+ Elf64_Word e_flags;\r
+ Elf64_Half e_ehsize;\r
+ Elf64_Half e_phentsize;\r
+ Elf64_Half e_phnum;\r
+ Elf64_Half e_shentsize;\r
+ Elf64_Half e_shnum;\r
+ Elf64_Half e_shstrndx;\r
+} Elf64_Ehdr;\r
+\r
+/**\r
+ * \brief Executable Types\r
+ */\r
+enum eElf32_ExecTypes\r
+{\r
+ ET_NONE = 0, //!< NULL Type\r
+ ET_REL = 1, //!< Relocatable (Object)\r
+ ET_EXEC = 2, //!< Executable\r
+ ET_DYN = 3, //!< Dynamic Library\r
+ ET_CORE = 4, //!< Core?\r
+ ET_LOPROC = 0xFF00, //!< Low Impl Defined\r
+ ET_HIPROC = 0xFFFF //!< High Impl Defined\r
+};\r
+\r
+/**\r
+ \name Section IDs\r
+ \{\r
+*/\r
+#define SHN_UNDEF 0 //!< Undefined Section\r
+#define SHN_LORESERVE 0xFF00 //!< Low Reserved\r
+#define SHN_LOPROC 0xFF00 //!< Low Impl Defined\r
+#define SHN_HIPROC 0xFF1F //!< High Impl Defined\r
+#define SHN_ABS 0xFFF1 //!< Absolute Address (Base: 0, Size: -1)\r
+#define SHN_COMMON 0xFFF2 //!< Common\r
+#define SHN_HIRESERVE 0xFFFF //!< High Reserved\r
+//! \}\r
+\r
+/**\r
+ \enum eElfSectionTypes\r
+ \brief ELF Section Types\r
+*/\r
+enum eElfSectionTypes {\r
+ SHT_NULL, //0\r
+ SHT_PROGBITS, //1\r
+ SHT_SYMTAB, //2\r
+ SHT_STRTAB, //3\r
+ SHT_RELA, //4\r
+ SHT_HASH, //5\r
+ SHT_DYNAMIC, //6\r
+ SHT_NOTE, //7\r
+ SHT_NOBITS, //8\r
+ SHT_REL, //9\r
+ SHT_SHLIB, //A\r
+ SHT_DYNSYM, //B\r
+ SHT_LAST, //C\r
+ SHT_LOPROC = 0x70000000,\r
+ SHT_HIPROC = 0x7fffffff,\r
+ SHT_LOUSER = 0x80000000,\r
+ SHT_HIUSER = 0xffffffff\r
+};\r
+\r
+#define SHF_WRITE 0x1\r
+#define SHF_ALLOC 0x2\r
+#define SHF_EXECINSTR 0x4\r
+#define SHF_MASKPROC 0xf0000000\r
+\r
+struct sElf32_Shent {\r
+ Uint32 name;\r
+ Uint32 type;\r
+ Uint32 flags;\r
+ Uint32 address;\r
+ Uint32 offset;\r
+ Uint32 size;\r
+ Uint32 link;\r
+ Uint32 info;\r
+ Uint32 addralign;\r
+ Uint32 entsize;\r
+} __attribute__ ((packed)); //sizeof = 40\r
+\r
+typedef struct\r
+{\r
+ Elf64_Word sh_name;\r
+ Elf64_Word sh_type;\r
+ Elf64_Xword sh_flags;\r
+ Elf64_Addr sh_addr;\r
+ Elf64_Off sh_offset;\r
+ Elf64_Xword sh_size;\r
+ Elf64_Word sh_link;\r
+ Elf64_Word sh_info;\r
+ Elf64_Xword sh_addralign;\r
+ Elf64_Xword sh_entsize;\r
+} Elf64_Shdr;\r
+\r
+struct elf_sym_s {\r
+ union {\r
+ Uint32 nameOfs;\r
+ char *name;\r
+ };\r
+ Uint32 value; //Address\r
+ Uint32 size;\r
+ Uint8 info;\r
+ Uint8 other;\r
+ Uint16 shndx;\r
+} __attribute__ ((packed));\r
+#define STN_UNDEF 0 // Undefined Symbol\r
+\r
+enum {\r
+ PT_NULL, //0\r
+ PT_LOAD, //1\r
+ PT_DYNAMIC, //2\r
+ PT_INTERP, //3\r
+ PT_NOTE, //4\r
+ PT_SHLIB, //5\r
+ PT_PHDR, //6\r
+ PT_LOPROC = 0x70000000,\r
+ PT_HIPROC = 0x7fffffff\r
+};\r
+\r
+struct sElf32_Phdr {\r
+ Uint32 Type;\r
+ Uint32 Offset;\r
+ Uint32 VAddr;\r
+ Uint32 PAddr;\r
+ Uint32 FileSize;\r
+ Uint32 MemSize;\r
+ Uint32 Flags;\r
+ Uint32 Align;\r
+} __attribute__ ((packed));\r
+\r
+typedef struct\r
+{\r
+ Elf64_Word p_type;\r
+ Elf64_Word p_flags;\r
+ Elf64_Off p_offset;\r
+ Elf64_Addr p_vaddr;\r
+ Elf64_Addr p_paddr;\r
+ Elf64_Xword p_filesz;\r
+ Elf64_Xword p_memsz;\r
+ Elf64_Xword p_align;\r
+} Elf64_Phdr;\r
+\r
+#define PF_X 1\r
+#define PF_W 2\r
+#define PF_R 4\r
+\r
+struct elf32_rel_s {\r
+ Uint32 r_offset;\r
+ Uint32 r_info;\r
+} __attribute__ ((packed));\r
+\r
+struct elf32_rela_s {\r
+ Uint32 r_offset;\r
+ Uint32 r_info;\r
+ Sint32 r_addend;\r
+} __attribute__ ((packed));\r
+\r
+enum {\r
+ R_386_NONE = 0, // none\r
+ R_386_32, // S+A\r
+ R_386_PC32, // S+A-P\r
+ R_386_GOT32, // G+A-P\r
+ R_386_PLT32, // L+A-P\r
+ R_386_COPY, // none\r
+ R_386_GLOB_DAT, // S\r
+ R_386_JMP_SLOT, // S\r
+ R_386_RELATIVE, // B+A\r
+ R_386_GOTOFF, // S+A-GOT\r
+ R_386_GOTPC, // GOT+A-P\r
+ R_386_LAST // none\r
+};\r
+\r
+#define ELF32_R_SYM(i) ((i)>>8) // Takes an info value and returns a symbol index\r
+#define ELF32_R_TYPE(i) ((i)&0xFF) // Takes an info value and returns a type\r
+#define ELF32_R_INFO(s,t) (((s)<<8)+((t)&0xFF)) // Takes a type and symbol index and returns an info value\r
+\r
+struct elf32_dyn_s {\r
+ Uint32 d_tag;\r
+ Uint32 d_val; //Also d_ptr\r
+} __attribute__ ((packed));\r
+\r
+enum {\r
+ DT_NULL, //!< Marks End of list\r
+ DT_NEEDED, //!< Offset in strtab to needed library\r
+ DT_PLTRELSZ, //!< Size in bytes of PLT\r
+ DT_PLTGOT, //!< Address of PLT/GOT\r
+ DT_HASH, //!< Address of symbol hash table\r
+ DT_STRTAB, //!< String Table address\r
+ DT_SYMTAB, //!< Symbol Table address\r
+ DT_RELA, //!< Relocation table address\r
+ DT_RELASZ, //!< Size of relocation table\r
+ DT_RELAENT, //!< Size of entry in relocation table\r
+ DT_STRSZ, //!< Size of string table\r
+ DT_SYMENT, //!< Size of symbol table entry\r
+ DT_INIT, //!< Address of initialisation function\r
+ DT_FINI, //!< Address of termination function\r
+ DT_SONAME, //!< String table offset of so name\r
+ DT_RPATH, //!< String table offset of library path\r
+ DT_SYMBOLIC,//!< Reverse order of symbol searching for library, search libs first then executable\r
+ DT_REL, //!< Relocation Entries (Elf32_Rel instead of Elf32_Rela)\r
+ DT_RELSZ, //!< Size of above table (bytes)\r
+ DT_RELENT, //!< Size of entry in above table\r
+ DT_PLTREL, //!< Relocation entry of PLT\r
+ DT_DEBUG, //!< Debugging Entry - Unknown contents\r
+ DT_TEXTREL, //!< Indicates that modifcations to a non-writeable segment may occur\r
+ DT_JMPREL, //!< Address of PLT only relocation entries\r
+ DT_LOPROC = 0x70000000, //!< Low Definable\r
+ DT_HIPROC = 0x7FFFFFFF //!< High Definable\r
+};\r
+\r
+typedef struct sElf32_Ehdr Elf32_Ehdr;\r
+typedef struct sElf32_Phdr Elf32_Phdr;\r
+typedef struct sElf32_Shent Elf32_Shent;\r
+typedef struct elf_sym_s elf_symtab;\r
+typedef struct elf_sym_s Elf32_Sym;\r
+typedef struct elf32_rel_s Elf32_Rel;\r
+typedef struct elf32_rela_s Elf32_Rela;\r
+typedef struct elf32_dyn_s Elf32_Dyn;\r
+\r
+#endif // defined(_EXE_ELF_H)\r
git.ucc.asn.au / tpg / acess2.git / blobdiff
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