May 29, 2025 · I'm debugging a C/C++ program using GDB. I want to print the value of a variable right after a specific statement executes, but before the current scope (e.g., function or loop body) exits.

Jul 15, 2025 · Explanation GDB sets breakpoints before the execution of the specified line. If you want to print the variable after a statement, you need to either Set the breakpoint on the line you want to …

Jul 15, 2025 · 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 shines when you only …

Variables and memory print/format <what> Print content of variable/memory locati-on/register. display/format <what> Like „print“, but print the information after each stepping instruction.

Output Formats (Debugging with GDB)By default, GDB prints a value according to its data type. Sometimes this is not what you want. For example, you might want to print a number in hex, or a …

Format If specified, allows overriding the output format used by the command. Valid format specifiers are: o - octal x - hexadecimal u - unsigned decimal t - binary f - floating point a - address c - char s - …

Mar 7, 2024 · With dprintf you first add your dynamic print. Then you make the resulting breakpoint conditional by using the gdb command condition. In our last example, gdb created the breakpoint …

Expressions print and many other GDB commands accept an expression and compute its value. Any kind of constant, variable or operator defined by the programming language you are using is valid in …