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From: Jack Howarth <howarth.mailing.lists@gmail.com>
To: Jonas Maebe <jonas-devlists@watlock.be>
Cc: Tristan Gingold <gingold@adacore.com>,
	"gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: gdb on macOS 10.12 "Sierra"
Date: Mon, 31 Oct 2016 12:00:00 -0000	[thread overview]
Message-ID: <CADtEn-3mAWn1csh9qsVkBZS05mOrEM+Qwot9ZG3-F_OhSUo6Mg@mail.gmail.com> (raw)
In-Reply-To: <581730F0.6000106@watlock.be>

On Mon, Oct 31, 2016 at 7:54 AM, Jonas Maebe <jonas-devlists@watlock.be> wrote:
> Tristan Gingold wrote:
>>> On 01 Oct 2016, at 14:08, Jonas Maebe <jonas-devlists@watlock.be> wrote:
>>>
>>> Has anyone succeeded yet in getting gdb to work on macOS 10.12? Reportedly, it works when you disable SIP (which is understandable, given https://developer.apple.com/library/content/documentation/Security/Conceptual/System_Integrity_Protection_Guide/RuntimeProtections/RuntimeProtections.html ), but plain code signing no longer seems to cut it.
>>
>> No, I haven't tried yet.  Did you investigate if lldb has updated its build instructions ?
>
> I finally got time to look into this. lldb's codesigning instructions
> are at
> https://llvm.org/svn/llvm-project/lldb/trunk/docs/code-signing.txt .
> They have not been updated recently, but they do differ from gdb's.
> However, the result is exactly the same: SIG113.
>
> I've also asked on the darwin-dev@apple list, but did not get any
> replies there.
>

It has been reported that the hardened security in Sierra requires the
additional step of executing


   csrutil enable --without debug


from within the Terminal application when booted under the Recovery Partition.
I don't have access to a machine that can run Sierra to verify it though.


> ...
>
> I've now tried building lldb, and regardless of whether I use the GDB or
> LLDB-style codesigning certificate to sign debugserver (lldb itself does
> not need codesigning), it works. So it seems like the problem is not
> necessarily related to codesigning per se.
>
>
> Jonas


  reply	other threads:[~2016-10-31 12:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-01 12:08 Jonas Maebe
2016-10-04 11:42 ` Tristan Gingold
2016-10-04 13:47   ` Tedeschi, Walfred
2016-10-31 11:54   ` Jonas Maebe
2016-10-31 12:00     ` Jack Howarth [this message]
2016-10-31 12:11       ` Jonas Maebe
2016-10-31 23:24     ` Jason Molenda
2016-11-03 16:00       ` Tristan Gingold
2016-10-31 23:14 C Western
2016-11-03 22:05 David Jenkins

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