1reading symbolic information ... 2[1] stop at 20 3[1] stopped in $b1 at line 20 4 20 j = j + i; 5$b1, line 20 in "dump.c" 6sub(), line 20 in "dump.c" 7main(0x1, 0x7fffebe8, 0x7fffebf0), line 10 in "dump.c" 8----- 9$b1, line 20 in "dump.c" 10j = 0 11----- 12sub(), line 20 in "dump.c" 13i = 1 14j = 0 15----- 16main(0x1, 0x7fffebe8, 0x7fffebf0), line 10 in "dump.c" 17----- 18$b1, line 20 in "dump.c" 19j = 0 20 21sub(), line 20 in "dump.c" 22i = 1 23j = 0 24 25main(0x1, 0x7fffebe8, 0x7fffebf0), line 10 in "dump.c" 26 27in "": 28_lg_flag = 1 29_dbargs = 0 30mcount = 5 31errno = 0 32environ = 2147478512 33dump.i = 3 34 35 36