When I debug gcc 2.96 on Linux/x86, I got Breakpoint 1 at 0x40053cf1: file exit.c, line 40. Breakpoint 3 at 0x40052983: file ../sysdeps/generic/abort.c, line 55. During symbol reading...register number 136376086 too large (max 41) in symbol buf... Is that a gcc bug or a gdb bug? H.J.