The default for addr is usually just after the last address examined—but several other commands also set the default address: info breakpoints (to the address of the last breakpoint listed), info line (to the …

May 13, 2010 · Sample db "This is a sample string",0 In GDB I type "p Sample" (without quotes) and it spits out 0x73696854. I want the actual String to print out. So I tried "printf "%s", Sample" (again, …

Here, we can see that GDB found the Hello World!!! string and printed the memory address that contains it. In particular, we searched a GDB prints memory addresses showing the location of stack traces, …

If GDB is printing a large array, it stops printing after it has printed the number of elements set by the set print elements command. This limit also applies to the display of strings.

The "format" string follows the same rules as the printf in the C Standard Library. r — Begin execution of a program that has been loaded under control of gdb.

Dec 8, 2025 · 6. Conclusion GDB’s default string truncation can hide critical data during debugging, but with the right techniques, you can always view full C-strings: For session-wide truncation disable: …

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 - …

For example, you can use the command print {1, 2, 3} to build up an array in memory that is malloc ed in the target program. Because C is so widespread, most of the expressions shown in examples in this …