Within GDB and this document, the term addressable memory unit (or memory unit for short) is used when explicitly referring to a chunk of data of that size. The word byte is used to refer to a chunk of …

Instead, GDB makes these values available for subsequent use in expressions as values of the convenience variables $_ and $__. After an x command, the last address examined is available for …

GDB prints memory addresses showing the location of stack traces, structure values, pointer values, breakpoints, and so forth, even when it also displays the contents of those addresses.

The best way to debug C code is to use some of the tools available from GNU. The most widely used tool for debugging C programs is the GDB. GDB stands for GNU Debugger, is a powerful text …

Fortunately, gdb provides another command for examining the contents of memory directly—that is, the actual bit patterns. In order to use this command, we need to determine the actual memory …

Apr 22, 2025 · Learn how to use GDB to explore memory regions in detail. This guide covers info proc mappings, info file, nm, the heap, stack, and more. Includes practical examples and memview tips.

When you are debugging a program running on a remote target machine (see Remote Debugging), you may wish to verify the program's image in the remote machine's memory against the executable file …

Debugging information compiled into an executable will not be read into memory unless GDB loads the executable. This means that executables with debug information will not run any slower than …