2,035 questions
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1 answer
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How can I tell which NSWindow triggered a breakpoint in a multi-window Mac app?
I am developing a macOS app using AppKit. The app can have multiple windows open at the same time, similar to Finder or Safari.
When a breakpoint is hit, or when I am inspecting state in LLDB, I ...
- reputation score 279
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65 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 ...
- reputation score 5732
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128 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....
- reputation score 125
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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 ...
- reputation score 125
Score of 1
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, ...
- reputation score 96879
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1 answer
41 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, ...
- reputation score 1261
Score of 1
2 answers
195 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
...
- reputation score 2131
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209 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 ...
- reputation score 1
Score of 2
1 answer
146 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++)
{
"...
- reputation score 11556
Score of 0
2 answers
79 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 ...
- reputation score 13386
Score of 1
0 answers
259 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 ...
- reputation score 112
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1 answer
230 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 ...
- reputation score 2131
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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 ...
- reputation score 1
Score of 0
1 answer
150 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 ...
- reputation score 29
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1 answer
77 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
...
- reputation score 1793
