gdb get all symbols code example

Example 1: gdb real type

(gdb) set print object on
(gdb) ptype ptr
type = /* real type = DerivedClass * */
class SuperClass {
  // various members
} *

Example 2: disassemble command under gdb

disassemble
disassemble [Function]
disassemble [Address]
disassemble [Start],[End]
disassemble [Function],+[Length]
disassemble [Address],+[Length]
disassemble /m [...]
disassemble /r [...]