Subversion Repositories openrisc_2011-10-31

#define PROFILE_SUPPORT 1

#include "crt0.S"

        .global __mcount

__mcount:

        ;; When a function is compiled for profiling, gcc creates code

        ;; like this at the start of each profiled function:

        ;;

        ;;      .global 

        ;; :

        ;;      bsr __mcount

        ;;      <...function's prologue...>

        ;;      <...function's body...>

        ;;

        ;; We must save all of the argument registers, extract the

        ;; address of , call _mcount_internal to do the

        ;; real work and then restore the argument registers before

        ;; returning.

        pushm   r1-r4

        mov.l   16[r0], r1

        bsr     __mcount_internal

        rtsd    #16, r1-r4