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mx.zohomail.eu; dkim=pass header.i=rdklein.fr; spf=pass smtp.mailfrom=edou@rdklein.fr; dmarc=pass header.from= Received: by mx.zoho.eu with SMTPS id 1721636828983886.4880058808931; Mon, 22 Jul 2024 10:27:08 +0200 (CEST) User-agent: mu4e 1.8.9; emacs 28.2 From: Edouard Klein To: 9fans <9fans@9fans.net> Date: Mon, 22 Jul 2024 10:21:46 +0200 Message-ID: <87bk2p3k86.fsf@rdklein.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-ZohoMailClient: External Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 365b56f8-4804-11ef-99f6-57e1048c7b06 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UNDI5N2Y0NTFiMThkNTk5YS1NZDM2NDJkYjBiYWU0NTI4OGQ1NTUz?= =?UTF-8?B?ZGY2Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Subject: [9fans] Inferno: starting a process in a stopped state Content-Transfer-Encoding: quoted-printable List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Md3642db0bae45288d5553df6:1:YHfzDD1XGAN_l-Hmgz6QKsM8jH3DFyLPEYtyrOB0zT8 Hi ! I'm writing dis assembly, and I would like to debug my program right from the entrypoint. I intend to use the /prog filesystem for that, thanks to which one can stop a program by echoing "stop" to dbgctl file. However, what I need to do is stop the program at the very start. I have multiple ideas, such as introducing a sleep or a read that would let me enough time to stop the program, but they have the bad property of modifying the program. I could create a loader program that would exec the target program and stop the loader right before the exec, and I suspect (but I'm not sure) that would let me stop the target program. But these all sound very rube goldbergy to me. Is there a way to start a program in a stopped state that I have overlooked ? Thanks in advance, Cheers, Edouard. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T4297f451b18d599a-Md3642= db0bae45288d5553df6 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription