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c++ - gdb: show typeinfo of some data - Stack Overflow At least in gdb v7 6 1 that doesn't help with this question, as it only prints the static type, not the polymorphic type For example where "d" is an object of type "D" derived from base class "B" then B* b = d; (gdb) ptype b type = class B {
Debugging with GDB - Examining Data Print using only seven-bit characters; if this option is set, GDB displays any eight-bit characters (in strings or character values) using the notation \nnn This setting is best if you are working in English (ASCII) and you use the high-order bit of characters as a marker or "meta" bit
GDB Command Reference - print command - VisualGDB When this format is used and i is specified as the previous value number, the print command will repeat the output produced by its i-th invocation Type Address This format allows explicitly specifying the address of the evaluated expression and can be used as a shortcut to the C C++ type conversion E g * ( (int *)p) is equivalent to {int}p
(gdb) Tips on printing variables – SJ Choi – Deep Learning . . . Printing type of variable: ptype <VARIABLE_SYMBOL> For class objects, prints the signature of the whole class Printing a vector: p[rint] <VECTOR> Printing an element in a vector: Often operator[] or at() method don’t work in gdb Instead, use <VECTOR> _M_impl _M_start+<INDEX> This will return the pointer to the target element in the underlying array, so dereferencing the pointer would give