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Added support for attaching & connecting to gdbserver (fix #4, fix #5)

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WebFreak001 2016-02-04 15:45:10 +01:00
commit 99217775cf
5 changed files with 139 additions and 8 deletions
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README.md
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@ -18,9 +18,9 @@ Now you need to change `target` to the application you want to debug relative
to the cwd. (Which is the workspace root by default)
Before debugging you need to compile your application first, then you can run it using
the green start button in the debug sidebar. Multithreading and removing breakpoints
while running does not work at the time of writing. Also stopping the program sometimes
does not work properly.
the green start button in the debug sidebar. Multithreading and adding breakpoints
while running does not work at the time of writing. However you can add/remove breakpoints
as you wish while the program is paused.
Extending variables is very limited as it does not support child values of variables.
Watching expressions works partially but the result does not get properly parsed and
@ -34,4 +34,34 @@ in `stdout` for the application, `stderr` for errors and `log` for GDB log messa
Some exceptions/signals like segmentation faults will be catched and displayed but
it does not support for example most D exceptions.
### Attaching to existing processes
Attaching to existing processes currently only works by specifying the PID in the
`launch.json` and setting `request` to `"attach"`. You also need to specify the executable
path for GDB to find the debug symbols.
```
"request": "attach",
"executable": "./bin/executable",
"target": "4285"
```
This will attach to PID 4285 which should already run. GDB will pause the program on entering.
### Using `gdbserver` for remote debugging
You can also connect to a gdbserver instance and debug using that. For that modify the
`launch.json` by setting `request` to `"attach"` and `remote` to `true` and specifing the
port and optionally hostname in `target`.
```
"request": "attach",
"executable": "./bin/executable",
"target": ":2345",
"remote": true
```
This will attach to the running process managed by gdbserver on localhost:2345. You might
need to hit the start button in the debug bar at the top first to start the program.
## [Issues](https://github.com/WebFreak001/code-debug)