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       crt-posix.s - scc - simple c99 compiler
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       ---
       crt-posix.s (332B)
       ---
            1         .globl        _environ
            2         .comm        _environ,8,8
            3 
            4         .text
            5         .globl        _start
            6 _start:
            7         movq        %rsp,%rbp
            8 
            9         /* load argc, argv, envp from stack */
           10         movq        (%rbp),%rdi             /* argc */
           11         leaq        8(%rbp),%rsi            /* argv */
           12         leaq        16(%rbp,%rdi,8),%rdx    /* envp = argv + 8*argc + 8 */
           13         movq        %rdx,_environ(%rip)
           14 
           15         call        main
           16         movl        %eax,%edi
           17         jmp        exit