returncommand. If you give an expression argument, its value is used as the function's return value.
When you use
return, GDB discards the selected stack frame
(and all frames within it). You can think of this as making the
discarded frame return prematurely. If you wish to specify a value to
be returned, give that value as the argument to
This pops the selected stack frame (see section Selecting a frame), and any other frames inside of it, leaving its caller as the innermost remaining frame. That frame becomes selected. The specified value is stored in the registers used for returning values of functions.
return command does not resume execution; it leaves the
program stopped in the state that would exist if the function had just
returned. In contrast, the
finish command (see section Continuing and stepping) resumes execution until the
selected stack frame returns naturally.
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