syscalltest2.s

来自「汇编经典教程profession_assembly_language（Richa」· S 代码 · 共 24 行

# syscalltest2.s - An example of getting a return value from a system call
.section .bss
   .lcomm pid, 4
   .lcomm uid, 4
   .lcomm gid, 4
.section .text
.globl _start
_start:
   movl $20, %eax
   int $0x80
   movl %eax, pid

   movl $24, %eax
   int $0x80
   movl %eax, uid

   movl $47, %eax
   int $0x80
   movl %eax, gid
end:
   movl $1, %eax
   movl $0, %ebx
   int $0x80