root/kernel/elf.h

INCLUDED FROM

   1 // Format of an ELF executable file
   2 
   3 #define ELF_MAGIC 0x464C457FU  // "\x7FELF" in little endian
   4 
   5 // File header
   6 struct elfhdr {
   7   uint magic;  // must equal ELF_MAGIC
   8   uchar elf[12];
   9   ushort type;
  10   ushort machine;
  11   uint version;
  12   uint64 entry;
  13   uint64 phoff;
  14   uint64 shoff;
  15   uint flags;
  16   ushort ehsize;
  17   ushort phentsize;
  18   ushort phnum;
  19   ushort shentsize;
  20   ushort shnum;
  21   ushort shstrndx;
  22 };
  23 
  24 // Program section header
  25 struct proghdr {
  26   uint32 type;
  27   uint32 flags;
  28   uint64 off;
  29   uint64 vaddr;
  30   uint64 paddr;
  31   uint64 filesz;
  32   uint64 memsz;
  33   uint64 align;
  34 };
  35 
  36 // Values for Proghdr type
  37 #define ELF_PROG_LOAD           1
  38 
  39 // Flag bits for Proghdr flags
  40 #define ELF_PROG_FLAG_EXEC      1
  41 #define ELF_PROG_FLAG_WRITE     2
  42 #define ELF_PROG_FLAG_READ      4