2,035 questions
0
votes
0
answers
61
views
How to inspect structures like NSRect/NSSize using lldb?
I have previously used lldb to print structures like NSRect or NSSize of 3rd party processes without issues. But I am struggling in modern versions of Xcode to inspect them. Namely since the ...
- 5,732
1
vote
0
answers
123
views
The iOS Watchdog kills a debugged daemon process 2 minutes into the debugging session
On a jailbroken iPhone, I'm attaching the debugserver to an iOS system daemon: debugserver 0.0.0.0:1234 -a <daemon-process>.
It is possible to connect to the iOS debugserver using lldb on my Mac....
- 125
0
votes
1
answer
62
views
Disassembly view in Xcode: how can I symbolicate a function's address?
In Xcode, I set a breakpoint to a function which is a part of an iOS framework and the disassembly view showed up. All function calls except one (0x1bb286280) were symbolicated (i.e. Xcode showed the ...
- 125
1
vote
1
answer
57
views
How can I skip uninteresting functions/files with lldb (in boost asio)?
I would like to skip the whole boost library details when stepping through the code in the debugger.
Example uninteresting things I would like to skip:
(lldb) n
Process 577286 stopped
* thread #1, ...
- 96.9k
0
votes
1
answer
38
views
Is there a way to debug macports provided packages with source code?
How do I debug a macports provided package with the source code?
I currently see the decompiled assembly language, what I need is the line on which the code crashed.
Process 90037 stopped
* thread #1, ...
- 1,261
1
vote
2
answers
178
views
How to print swift object in LLDB for given address?
In ObjC++, I just use po $x0 to print the first argument of a function. If it's an object, it will display it in detail.
However, in Swift when I do this for an swift object, I got an error:
po $x0
...
- 2,131
0
votes
0
answers
200
views
Debugger not stepping through code in VSCode with Rust – Unable to debug using `lldb` on Windows
I'm trying to debug my Rust project in VSCode but the debugger doesn't step through the code. I have lldb configured as the debugger, but breakpoints aren't hit, and I can't step through my code. I’m ...
- 1
2
votes
1
answer
139
views
How to put source information in the debug symbols without embedding the full sources on Linux?
MSVC has a very useful flag /SOURCELINK. This allows you to tell where in your versioning system the sources are stored, such that they can be downloaded.
For example: (Also holds for C++)
{
"...
- 11.5k
0
votes
2
answers
78
views
How can I access synthetic children whose names have special characters in LLDB?
Consider this program.cpp:
struct Foo {
int field1;
int field2;
};
int main() {
Foo foo{.field1 = -1, .field2 = -2};
return 0;
}
I've implemented a custom LLDB data formatter for the Foo ...
- 13.4k
1
vote
0
answers
244
views
lldb can't attach to process directly
I'm having trouble attaching lldb directly to a running process on macOS. When I try lldb -p <PID>, I always get error: Connection shut down by remote side while waiting for reply to initial ...
- 112
0
votes
1
answer
172
views
How does Xcode display the recorded stack frame, and can I retrieve it manually using LLDB?
In iOS development, I’ve noticed that when I set a breakpoint on a dispatch_* object (e.g., dispatch_async) in Xcode, it sometimes allows me to trace back to the original caller of the dispatch. In ...
- 2,131
0
votes
0
answers
48
views
Can I pass key presses from LLDB to attached process running on its own separate terminal?
I've a command line process (https://mpv.io) running on its own terminal window on macOS. I'm attaching to it via an ssh'ed lldb -p <PID> and want to be able to control said app via key presses ...
- 1
0
votes
1
answer
146
views
[LLDB][RUN][error: execve failed: Permission denied]
I used Clang to compile a large project to Linux X86_64 executable file my_out.
./my_out runs successfully.
When I try to use lldb my_out to debug the execution of my_out.
It can success launch the ...
0
votes
1
answer
76
views
LLDB is invoking Xcode to display source code all of a sudden. How to switch back?
I'm debugging a C project on Mac using LLDB, and the relevant source codes no longer displays inside LLDB commandline, but instead in Xcode.
How do I disable this?
(lldb) version
lldb-1700.0.9.502
...
- 1,681
-1
votes
1
answer
307
views
lldb-dap exception 0x80000003 under Windows 11 / arm64
I just learned about the lldb-dap extension for VSCode and set about using it on a trivial hello world program. Well, things are running, but not comfortably. I set a breakpoint on the printf line, ...
- 1,650