read.s

   1 .include "record-def.s"
   2 .include "linux.s"
   3
   4 .equ ST_READ_BUFFER, 8
   5 .equ ST_FILEDES, 12
   6
   7 .section .text
   8 .globl read_record
   9 .type read_record, @function
  10 read_record:
  11 pushl %ebp
  12 movl %esp, %ebp
  13
  14 pushl %ebp
  15 movl ST_FILEDES(%ebp), %ebx
  16 movl ST_READ_BUFFER(%ebp), %ecx
  17 movl $RECORD_SIZE, %edx
  18 movl $SYS_READ, %eax
  19 int $LINUX_SYSCALL
  20
  21 popl %ebx
  22 movl %ebp, %esp
  23 popl %ebp
  24 ret