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// Format of an ELF executable file
#define ELF_MAGIC 0x464C457FU // "\x7FELF" in little endian
// File header
struct elfhdr {
uint magic; // must equal ELF_MAGIC
uchar elf[12];
ushort type;
ushort machine;
uint version;
uint64 entry;
uint64 phoff;
uint64 shoff;
uint flags;
ushort ehsize;
ushort phentsize;
ushort phnum;
ushort shentsize;
ushort shnum;
ushort shstrndx;
};
// Program section header
struct proghdr {
uint32 type;
uint32 flags;
uint64 off;
uint64 vaddr;
uint64 paddr;
uint64 filesz;
uint64 memsz;
uint64 align;
};
// Values for Proghdr type
#define ELF_PROG_LOAD 1
// Flag bits for Proghdr flags
#define ELF_PROG_FLAG_EXEC 1
#define ELF_PROG_FLAG_WRITE 2
#define ELF_PROG_FLAG_READ 4
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