gdb.log

Thread 1 "moar" hit Breakpoint 1, MVM_interp_run (tc=0x555555559de0, initial_invoke=0x0, initial_invoke@entry=0x7ffff79a0e40 <toplevel_initial_invoke>, invoke_data=0x0, invoke_data@entry=0x7ffff79a0e40 <toplevel_initial_invoke>, 
    outer_runloop=0x555555e1f0ea, outer_runloop@entry=0x0) at src/core/interp.c:1657
1657                    GET_REG(cur_op, 0).o = MVM_string_split(tc,
(gdb) p *GET_REG(cur_op, 2).s
$22 = {common = {header = {sc_forward_u = {forwarder = 0x0, sc = {sc_idx = 0, idx = 0}, st = 0x0}, owner = 1, flags1 = 0 '\000', flags2 = 2 '\002', size = 48}, st = 0x5555555b1a60}, body = {storage = {blob_32 = 0x555555e7f8b0, 
      blob_ascii = 0x555555e7f8b0 "abc,def", blob_8 = 0x555555e7f8b0 "abc,def", strands = 0x555555e7f8b0, any = 0x555555e7f8b0}, storage_type = 2, num_strands = 0, num_graphs = 7, cached_hash_code = 0}}
(gdb) p *GET_REG(cur_op, 4).s
$23 = {common = {header = {sc_forward_u = {forwarder = 0x0, sc = {sc_idx = 0, idx = 0}, st = 0x0}, owner = 1, flags1 = 0 '\000', flags2 = 2 '\002', size = 48}, st = 0x5555555b1a60}, body = {storage = {blob_32 = 0x555555e7f8d0, 
      blob_ascii = 0x555555e7f8d0 "ghasdfi", blob_8 = 0x555555e7f8d0 "ghasdfi", strands = 0x555555e7f8d0, any = 0x555555e7f8d0}, storage_type = 2, num_strands = 0, num_graphs = 7, cached_hash_code = 0}}
(gdb) list
1652                    GET_REG(cur_op, 0).s = MVM_string_tc(tc,
1653                        GET_REG(cur_op, 2).s);
1654                    cur_op += 4;
1655                    goto NEXT;
1656                OP(split):
1657                    GET_REG(cur_op, 0).o = MVM_string_split(tc,
1658                        GET_REG(cur_op, 2).s, GET_REG(cur_op, 4).s);
1659                    cur_op += 6;
1660                    goto NEXT;
1661                OP(join):
(gdb) call MVM_dump_backtrace(tc)
   at -e:1  (<ephemeral file>:<mainline>)
 from gen/moar/stage2/NQPHLL.nqp:1946  (/home/dan/Source/perl6/nqp/NQPHLL.moarvm:eval)
 from gen/moar/stage2/NQPHLL.nqp:2056  (/home/dan/Source/perl6/nqp/NQPHLL.moarvm:)
 from gen/moar/stage2/NQPHLL.nqp:2055  (/home/dan/Source/perl6/nqp/NQPHLL.moarvm:command_eval)
 from gen/moar/stage2/NQPHLL.nqp:2036  (/home/dan/Source/perl6/nqp/NQPHLL.moarvm:command_line)
 from gen/moar/stage2/NQP.nqp:4174  (nqp.moarvm:MAIN)
 from gen/moar/stage2/NQP.nqp:1  (nqp.moarvm:<mainline>)
 from <unknown>:1  (nqp.moarvm:<main>)
 from <unknown>:1  (nqp.moarvm:<entry>)
(gdb) call MVM_dump_bytecode(tc)
00000      checkarity         0, -1
00001      param_sp           loc_0_obj, 0
00002      paramnamesused     
00003      const_s            loc_2_str, '$*CTXSAVE'
00004      getdynlex          loc_3_obj, loc_2_str
00005      set                loc_1_obj, loc_3_obj
00006      isnull             loc_4_int, loc_1_obj
00007      if_i               loc_4_int, label_1(00017)
00008      decont             loc_3_obj, loc_1_obj
00009      const_s            loc_2_str, 'ctxsave'
00010      can_s              loc_5_int, loc_3_obj, loc_2_str
00011      unless_i           loc_5_int, label_1(00017)
00012      decont             loc_6_obj, loc_1_obj
00013      findmeth           loc_3_obj, loc_6_obj, 'ctxsave'
00014      prepargs           Callsite_0
00015      arg_o              0, loc_1_obj
00016      invoke_o           loc_3_obj, loc_3_obj
     annotation: -e:1
     label_1:
00017      const_s            loc_2_str, ','
00018      hllboxtype_s       loc_6_obj
00019      box_s              loc_6_obj, loc_2_str, loc_6_obj
00020      const_s            loc_2_str, 'abc,def'
00021      const_s            loc_8_str, 'ghasdfi'
00022      split              loc_6_obj, loc_2_str, loc_8_str
00023      iter               loc_6_obj, loc_6_obj
00024      set                loc_7_obj, loc_6_obj
     label_2:
00025      decont             loc_6_obj, loc_7_obj
00026      unless_o           loc_6_obj, label_3(00036)
00027      osrpoint           
00028      shift_o            loc_6_obj, loc_7_obj
00029      set                loc_9_obj, loc_6_obj
     annotation: -e:1
00030      getlex_no          loc_6_obj, '&say'
00031      decont             loc_6_obj, loc_6_obj
00032      prepargs           Callsite_0
00033      arg_o              0, loc_9_obj
00034      invoke_v           loc_6_obj
00035      goto               label_2(00025)
     label_3:
00036      null               loc_6_obj
00037      return_o           loc_6_obj
(gdb)