| 155 | |
| 156 | |
| 157 | static void open_files() |
| 158 | { |
| 159 | fp_out = stdout; |
| 160 | fp_dump = stdin; |
| 161 | |
| 162 | if (dump_fname && !(fp_dump = my_fopen(dump_fname, O_RDONLY, MYF(MY_WME)))) |
| 163 | die("Could not open %s", dump_fname); |
| 164 | /* if name not given, assume stdin*/ |
| 165 | |
| 166 | if (!sym_fname) |
| 167 | die("Please run nm --numeric-sort on mysqld binary that produced stack \ |
| 168 | trace dump and specify the path to it with -s or --symbols-file"); |
| 169 | if (!(fp_sym = my_fopen(sym_fname, O_RDONLY, MYF(MY_WME)))) |
| 170 | die("Could not open %s", sym_fname); |
| 171 | |
| 172 | } |
| 173 | |
| 174 | static uchar hex_val(char c) |
| 175 | { |