gdb: show typeinfo of some data

c++ gdb typeid typeinfo
Albert picture Albert · Mar 5, 2012 · Viewed 42.8k times · Source

Basically, I want to get typeid(*this).name(), i.e. the real type of this.

I want to get this in GDB (without modifying the source code). I tried print typeid(*this) but it says that typeid is unknown (because I didn't included it there in the source file).

Answer

Star Brilliant picture Star Brilliant · Jun 18, 2015

Use ptype command, like this:

(gdb) ptype 42
type = int

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