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zoidberg@devbox:~/Code/ARM$ cat read.s .global _start _start: // open(filename, 0) MOV R7, #5 LDR R0, =filename MOV R1, #0 SWI #0 // store returned file descriptor MOV R5, R0 // Read from file descriptor read(fd, data, 10) MOV R7, #3 MOV R0, R5 MOV R2, #10 LDR R1, =passwd SWI 0 // close file descriptor close(fd) MOV R7, #6 MOV R0, R5 SWI 0 // write data from file to screen write(1, data, 10) MOV R7, #4 MOV R0, #1 MOV R2, #10 LDR R1, =passwd SWI 0 // exit exit() MOV R7, #1 SWI 0 .data filename: .ascii "/home/zoidberg/Code/ARM/test.txt" passwd: .ascii "ZZZZZZZZZZZZZZZZZZ" zoidberg@devbox:~/Code/ARM$ zoidberg@devbox:~/Code/ARM$ arm-linux-gnueabi-as read.s -o read.o zoidberg@devbox:~/Code/ARM$ arm-linux-gnueabi-ld read.o -o read zoidberg@devbox:~/Code/ARM$ qemu-arm ./read ZZZZZZZZZZzoidberg@devbox:~/Code/ARM$ cat test.txt testing zoidberg@devbox:~/Code/ARM$
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