Emacs Stack Exchange
Emacs Stack Exchange

Questions tagged [gdb]

GNU Project Debugger - Start it via `M-x gdb` to run the debugger on Ada, C, C++, Objective-C, Pascal, Fortran, Java and other languages.

62 questions
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How do I debug an emacs crash?

I am debugging why emacs crashes when using a function from a package1. The aim of this debug process is to get useful data to submit using M-x report-emacs-bug. To get help on how to debug emacs crashes, I have already looked at Emacs Manual -…
Kaushal Modi
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How can I prevent gdb *input/output* buffer from aggressively popping up in frame?

When using gdb with M-x gdb, the *input/output* buffer always pops up aggressively in any frame which has focus and isn't already displaying it. I would like the *input/output* buffer to stay quietly in the background unless I manually bring it…
ajp
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How to set gud gdb -i=mi not to replace current buffer?

When using gdb -i=mi to debug a program, I typically split the window into two buffers vertically. But every time my program prints something gud automatically replaces my source code buffer with I/O buffer and pops up a new "frame" that contains my…
Mingheng Wang
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1 answer

How to attach/connect two subprocesses?

The general case: Simply put, given that I start two processes (Aand B) with, e.g., async-start-process, what is best way of killing B if A terminates? My specific usecase: I'm debugging embedded software on an external chip and launch a GDB server…
thomsten
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4
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1 answer

GDB-MI - Displaying complex data-types

The GDB local variable window (in the multi-window view) usually works fine to track local variables. However, I've recently been coding a lot in C++, and almost all variables are some kind of struct/class, which is just displayed as
Xaldew
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Command history not saved while using GDB from Emacs

I usually debug in console gdb and now I'm trying to move to Emacs. In my ~/.gdbinit I have the following lines setting up history: # save history of unlimited size, write always to ~/.gdb_history set history save on set history size unlimited set…
ars
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Valgrind interface for emacs

Is there an interface similar to 'gdb-mi' for using Valgrind in emacs? What are some ways to use Valgrind inside emacs?
hrkrshnn
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Why don't I get a source window using realgud:gdb?

using GNU Emacs 25.2.1 (x86_64-w64-mingw32) and realgud 20171006.1840 (from marmalade), I can't use realgud for debugging with gdb: I start it as described in the docu: M-x load-library RET realgud RET realgud:gdb In the "Start like this"-Prompt, I…
Markus
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1 answer

Is it possible to use mozilla's rr with gdb multi-window?

I have started using mozilla's rr (timetravelling debugger, github here) on the command line for debugging c++ code. In emacs I can start it with gud-gdb and writing rr replay (as mentioned here or here). I cannot start it with gdb followed by rr…
Mike H-R
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1 answer

How can I delete all the gdb related windows/buffers after `q` in gdb CLI window

I use (setq gdb-many-windows t) and (setq gdb-show-main t) configurations in my init.el, so after executing M-x gdb, there will be six windows in the frame, after typing q in the main gdb cli window to finish debugging, how can I quit/delete all the…
CodyChan
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Preventing shell mode from treating ! as a history reference

Various command-line tools, such as gdb, ftp, sftp, etc, use ! to prefix a command to be run in a shell. So (for instance) !mkdir foo will make a directory called foo. When using these tools inside emacs shell-mode, the shell-mode treats the ! as a…
Nick Barnes
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emacs in --deamon mode dies when X display socket closes. How to prevent this?

My initial quest is Can emacs on Mac using native window system connect to an emacs server on a Linux system but I got off on a tangent that might work ok but I hit a speed bump. As described in the other question, I start emacs in daemon mode via…
pedz
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2 answers

Highlight current line in GUD disassembler window

I am using GUD for debugging C code. Because many of the lines and variables have been optimized away, it is necessary to follow the C source and the corresponding disassembly simultaneously. I want the current line in the disassembler window to be…
nispio
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2 answers

Use a specific font face for gdb buffers

Need Default emacs font for most buffers is okay. But for coding-related activities I need a smaller, crisp font. What works In the spirit of Is it possible to change the font size in specific buffers? - Emacs Stack Exchange I've…
Stéphane Gourichon
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1 answer

gdb-many-windows causes hangs in emacs 24.5

When running gdb -i=miand then attach to the process for debugging, emacs hangs for like 5 minutes before I can type anything. After trial and error I found it is caused by the following line in my init.el file: (setq gdb-many-windows t) Start…
cdnszip
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