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rs6000-tdep should probably not depend on the ppc-sim code


Hello,

  Trying to compile gdb on mips(el) platform with
--enable-targets=all, fails to build with following error:

mipsel-linux-gnu-gcc -g -O2      \
                -o gdb gdb.o libgdb.a \
                  ../sim/mips/libsim.a -lreadline
../opcodes/libopcodes.a ../bfd/libbfd.a  ../libiberty/libiberty.a
../libdecnumber/libdecnumber.a    -lncurses -lz -lm
-L/usr/lib/python2.7/config -lpthread -ldl -lutil -lm -lpython2.7
-Xlinker -export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions -lexpat
../libiberty/libiberty.a  gnulib/libgnu.a -ldl -rdynamic
libgdb.a(rs6000-tdep.o): In function `init_sim_regno_table':
/home/zumbi/gdb-7.4really/gdb/rs6000-tdep.c:334: undefined reference
to `sim_spr_register_name'
collect2: ld returned 1 exit status


Looking into gdb/rs6000-tdep.c:334:

#ifdef WITH_SIM
  /* Now handle all special-purpose registers.  Verify that they
     haven't mistakenly been assigned numbers by any of the above
     code.  */
  for (i = 0; i < sim_ppc_num_sprs; i++)
    {
      const char *spr_name = sim_spr_register_name (i);
      int gdb_regno = -1;

      if (spr_name != NULL)
        gdb_regno = user_reg_map_name_to_regnum (arch, spr_name, -1);

      if (gdb_regno != -1)
        set_sim_regno (sim_regno, gdb_regno, sim_ppc_spr0_regnum + i);
    }
#endif

And sim_spr_register_name is defined under ./include/gdb/sim-ppc.h
which expects to build ./sim/ppc/gdb-sim.c

I was hoping to provide a patch to fix the issue, but I do not really
know whats the fix? Should sim_spr_register_name be defined somewhere
else? Should we enable the build ppc simulator?

Best regards,
-- 
ÂHÃctor OrÃn Â-.. . -... .. .- -. Â -.. . ...- . .-.. --- .--. . .-.


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