started elf loader

emulator/Loader/Elf.h

@@ -32,6 +32,50 @@ struct self_segment_header
     u64 memory_size;
 };
 
+struct elf_header
+{
+    u08 e_ident[16];        /* ELF identification */
+    u16 e_type;             /* Object file type */
+    u16 e_machine;          /* Machine type */
+    u32 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 */
+};
+
 class Elf
 {
 public: