Passing Function arguments use only stack,no registers.(for m68k)

["Cliff Tsai" <clifftsai at axisoft dot com>]

Hi:
    
    How can I compile a C code(wih GCC for 68k) 
    using only Stack to pass function arguments,but 
    dont' use registers?

    Because I have a platform that run a OS which is
    not compiled by GCC.
    So when I write a C code and using m68k-coff-gcc to
    compile,I found that gcc will generate assembly code (-S )
    that pass some arguments with registers.

    But according to the manual I got,the OS need AP use "only stack" to 
    pass arguments,but don't use any register?How can I do?
    
      
Thanks

Cliff




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