linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Joey Pabalinas <joeypabalinas@gmail.com>
To: Elvira Khabirova <lineprinter@altlinux.org>
Cc: oleg@redhat.com, rostedt@goodmis.org, mingo@redhat.com,
	linux-api@vger.kernel.org, esyr@redhat.com,
	linux-kernel@vger.kernel.org, luto@kernel.org, ldv@altlinux.org,
	strace-devel@lists.strace.io,
	Joey Pabalinas <joeypabalinas@gmail.com>
Subject: Re: [PATCH RESEND v3 1/3] ptrace: pass type of a syscall-stop in ptrace_message
Date: Sat, 24 Nov 2018 15:54:02 -1000	[thread overview]
Message-ID: <20181125015402.glcaw3kghcu4pr22@gmail.com> (raw)
In-Reply-To: <20181125022227.55e8caf7@akathisia>

[-- Attachment #1: Type: text/plain, Size: 516 bytes --]

On Sun, Nov 25, 2018 at 02:22:27AM +0100, Elvira Khabirova wrote:
> Define two constants, PTRACE_EVENTMSG_SYSCALL_ENTRY and
> PTRACE_EVENTMSG_SYSCALL_EXIT, and place them in ptrace_message
> for the duration of syscall-stops.
> This way ptracers can distinguish syscall-enter-stops
> from syscall-exit-stops using PTRACE_GETEVENTMSG request.

Is there an advantage to using two constants instead of a single
sys_exit bit (set/unset for syscall-exit-stop/syscall-enter-stop)?

-- 
Cheers,
Joey Pabalinas

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

  reply	other threads:[~2018-11-25  1:54 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-25  1:21 [PATCH RESEND v3 0/3] ptrace: add PTRACE_GET_SYSCALL_INFO request Elvira Khabirova
2018-11-25  1:22 ` [PATCH RESEND v3 1/3] ptrace: pass type of a syscall-stop in ptrace_message Elvira Khabirova
2018-11-25  1:54   ` Joey Pabalinas [this message]
2018-11-25  2:10     ` Dmitry V. Levin
2018-11-25  6:17       ` Joey Pabalinas
2018-11-26 14:56   ` Oleg Nesterov
2018-11-27  2:53     ` Elvira Khabirova
2018-11-27  3:48       ` Dmitry V. Levin
2018-11-25  1:23 ` [PATCH RESEND v3 2/3] ptrace: add PTRACE_GET_SYSCALL_INFO request Elvira Khabirova
2018-11-25  1:23 ` [RFC PATCH RESEND v3 3/3] ptrace: add PTRACE_EVENT_SECCOMP support to PTRACE_GET_SYSCALL_INFO Elvira Khabirova
2018-11-26 14:35   ` Oleg Nesterov
2018-11-27  3:07     ` Elvira Khabirova
2018-11-27  3:21       ` Dmitry V. Levin
2018-11-27 12:31       ` Oleg Nesterov
2018-11-27 23:27         ` Dmitry V. Levin
2018-11-28 12:35           ` Oleg Nesterov
2018-11-28 12:44             ` Dmitry V. Levin
2018-11-28 13:13               ` Oleg Nesterov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181125015402.glcaw3kghcu4pr22@gmail.com \
    --to=joeypabalinas@gmail.com \
    --cc=esyr@redhat.com \
    --cc=ldv@altlinux.org \
    --cc=lineprinter@altlinux.org \
    --cc=linux-api@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@redhat.com \
    --cc=oleg@redhat.com \
    --cc=rostedt@goodmis.org \
    --cc=strace-devel@lists.strace.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).