[lldb-dev] [Bug 50269] New: lldb cannot connect to debugserver using python API
via lldb-dev
lldb-dev at lists.llvm.org
Fri May 7 22:16:37 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50269
Bug ID: 50269
Summary: lldb cannot connect to debugserver using python API
Product: lldb
Version: unspecified
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: lldb-dev at lists.llvm.org
Reporter: nisargjhaveri at gmail.com
CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org
The following set of commands work fine and in the lldb cli, the same set of
commands fails with `error: the platform is not currently connected` when run
from python using the `debugger.GetCommandInterpreter().HandleCommand`
lldb CLI (works):
```
(lldb) platform select remote-macosx
(lldb) target create ~/Projects/vscode-lldb/build/debuggee/debuggee
(lldb) process connect connect://127.0.0.1:1234
(lldb) process launch
Process 64302 launched:
'/Users/nisarg/Projects/vscode-lldb/build/debuggee/debuggee' (x86_64)
...
```
Python (error: the platform is not currently connected):
-------
>>> import sys; sys.path.append('/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python3')
>>> from lldb import *
>>> debugger = SBDebugger.Create()
>>> inter = debugger.GetCommandInterpreter()
>>> res = SBCommandReturnObject()
>>> commands = ['platform select remote-macosx', >'target create /Users/nisarg/Projects/vscode-lldb/build/debuggee/debuggee', 'process connect connect://127.0.0.1:1234', 'process launch']
>>> for command in commands: inter.HandleCommand(command, res); print(command); print(res.Succeeded()); print(res.GetOutput(), "\n", res.GetError())
...
2
platform select remote-macosx
True
Platform: remote-macosx
Connected: no
1
target create /Users/nisarg/Projects/vscode-lldb/build/debuggee/debuggee
True
Current executable set to
'/Users/nisarg/Projects/vscode-lldb/build/debuggee/debuggee' (x86_64).
1
process connect connect://127.0.0.1:1234
True
There is a running process, kill it and restart?: [Y/n] y
6
process launch
False
error: the platform is not currently connected
-------
I'm starting the debugserver using the following command in both the case.
```
$ debugserver 127.0.0.1:1234
```
I'm using the lldb bundled with Xcode 12.4.
Expected behavior: the same set of commands should result in the same outcome
whether run in cli or via python api.
I tried directly using python apis to connect and launch the process, but
couldn't figure out that either. It was giving the same error as platform not
connected. Also after connecting, the process status becomes unloaded and not
connected.
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