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Listing 1. Assembly Code for Executing System Calls

ae531: b8 15 00 00 00      movl   $0x15,%eax
ae536: 53                  pushl  %ebx
ae537: 89 c3               movl   %eax,%ebx
ae539: b8 75 00 00 00      movl   $0x75,%eax
ae53e: cd 80               int    $0x80
ae540: 5b                  popl   %ebx
ae541: 89 c6               movl   %eax,%esi
ae543: 81 fe 00 f0 ff ff   cmpl   $0xfffff000,%esi