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I have a question about the mode switch macro, which I listed below, in vectors.S. What is ## mean in ldr _r_,=_l_ ## f ? Is f a constant or _f_? Thanks,
Frank
// Call thumb function from ARM mode, return to ARM // mode afterwards #define THUMB_CALL(_r_, _l_, _f_) \ ldr _r_,=_f_+1 ;\ mov lr,pc ;\ bx _r_ ;\ .pool ;\ .code 16 ;\ .thumb_func ;\ ldr _r_,=_l_ ## f ;\ bx _r_ ;\ .pool ;\ .code 32 ;\ _l_:
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