Sometimes this is not what you want One way to do this is with info line, for example ‘ info line *0x4537 ’ For example, you might want to print a number in hex, or a pointer in decimal
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Or you might want to view data in memory at a certain address as a character string or as an instruction
To do these things, specify an output format when you print a value.
Using gdb's python extension, you can run any gdb command and put its output into a convenience variable, whose type will be an array of characters You can then use this convenience variable in a printf command with the %s format. The most common example of it is *argv@argc format if specified, allows overriding the output format used by the command To do these things, specify an output format when you print a value
The simplest use of output formats is to say how to print a value already computed. By default, gdb prints a value according to its data type The following example makes your gdb prompt `gdb$' display in red Set prompt \033[01;31mgdb$ \033[0m preventing gdb from pausing during long output you might have already experienced that when gdb needs to print more lines than your terminal height can display, it pauses each time the console is full.
I'd like to do printf style printing from gdb
For instance, i want to print a variable value, but with some text to describe what it is Can it be done, and if so, can you give an example? Print settings (debugging with gdb)when gdb prints a symbolic address, it normally prints the closest earlier symbol plus an offset If that symbol does not uniquely identify the address (for example, it is a name whose scope is a single source file), you may need to clarify
