--- /dev/null
+/**\r
+ Acess v1\r
+ \file elf32.h\r
+ \brief ELF Exeutable Loader\r
+*/\r
+#ifndef _ELF32_H\r
+#define _ELF32_H\r
+\r
+/**\r
+ \struct elf_header_s\r
+ \brief ELF File Header\r
+*/\r
+struct sElf32_Ehdr {\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
+};\r
+\r
+/**\r
+ \name Executable Types\r
+ \{\r
+*/\r
+#define ET_NONE 0 //!< NULL Type\r
+#define ET_REL 1 //!< Relocatable (Object)\r
+#define ET_EXEC 2 //!< Executable\r
+#define ET_DYN 3 //!< Dynamic Library\r
+#define ET_CORE 4 //!< Core?\r
+#define ET_LOPROC 0xFF00 //!< Low Impl Defined\r
+#define 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
+}; //sizeof = 40\r
+\r
+struct elf_sym_s {
+ union {\r
+ Uint32 nameOfs;
+ char *name;
+ };\r
+ Uint32 value; //Address\r
+ Uint32 size;\r
+ Uint8 info;\r
+ Uint8 other;\r
+ Uint16 shndx;\r
+};\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
+ Uint Offset;\r
+ Uint VAddr;\r
+ Uint PAddr;\r
+ Uint32 FileSize;\r
+ Uint32 MemSize;\r
+ Uint32 Flags;\r
+ Uint32 Align;\r
+};\r
+\r
+struct elf32_rel_s {\r
+ Uint32 r_offset;\r
+ Uint32 r_info;\r
+};\r
+\r
+struct elf32_rela_s {\r
+ Uint32 r_offset;\r
+ Uint32 r_info;\r
+ Sint32 r_addend;\r
+};\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
+ Uint16 d_tag;\r
+ Uint32 d_val; //Also d_ptr\r
+};\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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