GDB on M1 mac?

Paul Koning
Wed Jun 22 13:09:01 GMT 2022

> On Jun 22, 2022, at 9:06 AM, Luis Machado <> wrote:
> On 6/22/22 14:01, Paul Koning wrote:
>>> On Jun 22, 2022, at 4:57 AM, Luis Machado via Gdb <> wrote:
>>> Hi,
>>> On 6/22/22 07:52, Gerd Möllmann via Gdb wrote:
>>>> I tried bulding gdb 12.1 on macOS 12.4 with an Apple M1 chip, but it öooks like that target is not supported.
>>>> Can I ask if there are plans to support that platform, or even work in progress that I could try out?  (I'd use it for debugging Emacs on macOS.)
>>>> TIA
>>> Arm has macOS-hosted arm-none-eabi tools, but I don't think native aarch64 debugging on macOS is supported, as you said.
>>> I can't speak for other contributors, but I don't know of any plan to support that OS/arch combination for GDB. We're open to
>>> accepting patches though.
>>> I think LLDB is the way to go on macOS.
>> Unfortunately that seems to be the only option right now, but it's a nasty one.  The UI is obnoxious, and it can't debug GCC output at all unless it was compiled with -O0.
> Technically we have darwin native support for x86-64 (don't know how well it works). If that works well, It might be a matter of implementing the native parts for aarch64.

The x86-64 Darwin GDB has been useable for me in the past, so yes, an aarch64 port of that would be a promising notion and should do a much better job debugging optimized code.


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