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.text
.extern u_strlen
.extern u_pout
.extern u_perr
.globl main
main:
cmpb $0x1, %dil
jle c_noarg
pushq %rdi
pushq %rsi
pushq %rdx
xorq %rcx, %rcx
movq (%rsi, %rcx, 8), %rdi
movq %rcx, %r8
callq u_pout
movq %r8, %rcx
popq %rdx
popq %rsi
popq %rdi
pushq %rdi
pushq %rsi
pushq %rdx
inc %rcx
movq (%rsi, %rcx, 8), %rdi
callq u_pout
popq %rdx
popq %rsi
popq %rdi
jmp c_exit
c_noarg:
leaq noarg_str, %rdi
callq u_perr
movq $0x1, %rdi
xorq %rax, %rax
movb $0x1, %al # SYS_exit
syscall
c_exit:
xorq %rdi, %rdi
xorq %rax, %rax
movb $0x1, %al # SYS_exit
syscall
.data
noarg_str: .asciz "bsdsetsid: no command specified"
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