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Output Formats (Debugging with GDB) - sourceware. org 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 pointer in decimal 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
Debugging with GDB - Examining Data For fmt specifying only a display format and not a size or count, add the expression exp to the auto-display list but arrange to display it each time in the specified format fmt See section Output formats
GDB Command Reference - print command - VisualGDB The most common example of it is *argv@argc 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 - string Examples
Debugging with GDB - Output Formats - GNU For example, you might want to print a number in hex, or a pointer in decimal 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 The simplest use of output formats is to say how to print a value already computed
gdb command in Linux with examples - GeeksforGeeks GDB, the acronym for GNU Debugger, is a powerful debugging tool used to analyze and debug programs written in languages like C, C++, Ada, and Fortran It allows developers to inspect the behavior of their programs, step through code, set breakpoints, and examine variable values in real-time
8. 4: Output formats - docs. rtems. org 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 pointer in decimal 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
Output Formats (Debugging with GDB) - peak-system. com Output Formats (Debugging with GDB)Print using the ‘ raw ’ formatting By default, GDB will use a Python-based pretty-printer, if one is available (see Pretty Printing) This typically results in a higher-level display of the value’s contents The ‘ r ’ format bypasses any Python pretty-printer which might exist For example, to print the program counter in hex (see Registers), type
How can the result of print-like formatting be used in a gdb . . . 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