By default, gdb will append to the logfile. Set overwrite if you want set logging on to overwrite the logfile instead. set logging redirect [on|off] By default, gdb output will go to both the terminal …

2020年3月17日 · GDB: Printing Variables to File 17 Mar 2020 GDB is a great tool for debugging C and C++ code. To inspect the value of a variable, one can simply use the print command.

<what> expression Almost any C expression, including function calls (must be prefixed with a cast to tell GDB the return value type). file_name::variable_name Content of the variable defined in …

This page explains the print command. The print command prints the value of a given expression.

Here file or function is the name of the context for the static variable. In the case of file names, you can use quotes to make sure GDB parses the file name as a single word—for example, to …

`::' allows you to specify a variable in terms of the file or function where it is defined. See section Program variables.

Then you can determine the name and source file location of the variable where it points, using `p/a pointer'. This interprets the address in symbolic form. For example, here GDB shows that a …

2025年7月15日 · For simply printing a variable after a statement, a regular breakpoint with commands is generally simpler and clearer than adding a redundant condition. This method …