11/14/2023 0 Comments Script debugger add sdef![]() Both frame and info frame accepts a frame number as their last argument.Īctually, info is a very versatile command. Furthermore, the info frame command displays verbose information about the current frame. The frame command shows the last line from the current frame, as well as the function it belongs to. Rbp at 0x7fffffffe4e0, rip at 0x7fffffffe4e8 Locals at 0x7fffffffe4e0, Previous frame's sp is 0x7fffffffe4f0 To show more information about a frame, we have several commands at our disposal: (gdb) frame We see inc was called at line 8 of target.c. To show the chain of function calls, we use backtrace: (gdb) backtrace The current code line is visible, but we might also want to see some context with list or directly in TUI mode.Īpart from source code, we could be interested in the call stack. Once execution halts, we often want to see what’s happening. All commands we discuss are available in both TUI and normal mode. To enter TUI, we just start gdb with the -tui flag or type tui enable at the (gdb) prompt. In particular, the source code with the currently executed line and any set breakpoints are all available at a glance. For example, with list, repeatedly pressing return discards the arguments to the command.Īlternatively, we can use the text user interface (TUI). In some special cases, it acts a little differently. ![]() Note that repeatedly pressing return after entering any command line most often repeats that command line. The list command allows us to specify files, lines, functions, and addresses. Here we list the first three lines of code from our file. The most basic way of doing that is the list command: (gdb) list 1,3 Being able to see the source code in the original language is vital while debugging.
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