* gcconfig.h (DATASTART): Define as (&data_start) for PowerPC

        Linux.
        (DYNAMIC_LOADING): Define for PowerPC Linux.
        * os_dep.c: Remove some special cases for PowerPC Linux.
        * misc.c (GC_init_inner): Don't call GC_init_linux_data_start
        for PowerPC Linux.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30873 138bc75d-0d04-0410-961f-82ee72b054a4