|
.section .data
.equ SYS_READ, 3
.equ SYS_WRITE, 4
.equ SYS_OPEN, 5
.equ SYS_CLOSE, 6
.equ SYS_EXIT, 1
.equ O_READ, 0
.equ O_WRITE, 03101
.equ END_FILE, 0
.equ LINUX_CALL,0x80
.section .bss
.lcomm BUFF_DATA, 16
.section .text
.globl _start
_start:
movl %esp, %ebp
subl $8, %esp
movl $SYS_OPEN, %eax
movl 8(%ebp), %ebx
movl $O_READ, %ecx
movl $0666, %edx
int $LINUX_CALL
movl %eax, -4(%ebp)
movl $SYS_OPEN, %eax
movl 12(%ebp), %ebx
movl $O_WRITE, %ecx
movl $0666, %edx
int $LINUX_CALL
movl %eax, -8(%ebp)
start_loop:
movl $SYS_READ, %eax
movl -4(%ebp), %ebx
movl $BUFF_DATA, %ecx
movl $16, %edx
int $LINUX_CALL
cmpl $END_FILE, %eax
jle end_loop
movl $SYS_WRITE, %eax
movl -8(%ebp), %ebx
movl $BUFF_DATA, %ecx
int $LINUX_CALL
jmp start_loop
end_loop:
movl $SYS_CLOSE, %eax
movl -4(%ebp), %ebx
int $LINUX_CALL
movl $SYS_CLOSE, %eax
movl -8(%ebp), %ebx
int $LINUX_CALL
movl $1, %eax
int $LINUX_CALL
|
