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.weak _wsym .section .data$wsym,"w" .align 4 _wsym: .long 1 .section .text$start,"x" .globl _start .def _start; .scl 2; .type 32; .endef _start: pushl %ebp movl %esp, %ebp movl _wsym, %eax testl %eax, %eax sete %al movzbl %al, %eax nop popl %ebp ret