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