From: Peter Zijlstra <peterz@infradead•org>
To: Christophe Leroy <christophe.leroy@csgroup•eu>
Cc: "aik@ozlabs•ru" <aik@ozlabs•ru>,
"linuxppc-dev@lists•ozlabs.org" <linuxppc-dev@lists•ozlabs.org>,
Sathvika Vasireddy <sv@linux•vnet.ibm.com>,
"linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
"rostedt@goodmis•org" <rostedt@goodmis•org>,
Sathvika Vasireddy <sv@linux•ibm.com>,
"jpoimboe@redhat•com" <jpoimboe@redhat•com>,
"Naveen N. Rao" <naveen.n.rao@linux•vnet.ibm.com>,
"mbenes@suse•cz" <mbenes@suse•cz>,
Chen Zhongjin <chenzhongjin@huawei•com>
Subject: Re: [RFC PATCH 4/4] objtool/powerpc: Add --mcount specific implementation
Date: Thu, 16 Jun 2022 15:57:51 +0200 [thread overview]
Message-ID: <Yqs235037JrOOhBA@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <30f3791c-0fdd-e635-4a85-ec457f990fae@csgroup.eu>
On Thu, Jun 16, 2022 at 01:40:34PM +0000, Christophe Leroy wrote:
> sizeof(u64) is always 8 by definition.
>
> So if size is 8 we are working on a binary file for a 64 bits target, if
> not it means we are working for a 32 bits target.
Cross-builds invalidate this I think. Best to look at something like:
elf->ehdr.e_ident[EI_CLASS] == ELFCLASS32
next prev parent reply other threads:[~2022-06-16 13:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-23 17:55 [RFC PATCH 0/4] objtool: Enable and implement --mcount option on powerpc Sathvika Vasireddy
2022-05-23 17:55 ` [RFC PATCH 1/4] objtool: Add --mnop as an option to --mcount Sathvika Vasireddy
2022-05-24 8:54 ` Christophe Leroy
2022-05-24 10:15 ` Naveen N. Rao
2022-05-24 10:20 ` Christophe Leroy
2022-05-24 10:31 ` Naveen N. Rao
2022-05-25 11:36 ` Peter Zijlstra
2022-05-26 11:51 ` Naveen N. Rao
2022-05-23 17:55 ` [RFC PATCH 2/4] objtool: Enable objtool to run only on files with ftrace enabled Sathvika Vasireddy
2022-05-24 8:57 ` Christophe Leroy
2022-05-24 10:53 ` Sathvika Vasireddy
2022-05-24 13:28 ` Christophe Leroy
2022-05-23 17:55 ` [RFC PATCH 3/4] objtool/powerpc: Enable objtool to be built on ppc Sathvika Vasireddy
2022-05-24 9:13 ` Christophe Leroy
2022-05-23 17:55 ` [RFC PATCH 4/4] objtool/powerpc: Add --mcount specific implementation Sathvika Vasireddy
2022-05-24 9:35 ` Christophe Leroy
2022-05-24 11:00 ` Sathvika Vasireddy
2022-05-24 13:33 ` Christophe Leroy
2022-05-25 17:27 ` Christophe Leroy
2022-05-31 6:20 ` Christophe Leroy
2022-06-16 13:34 ` Naveen N. Rao
2022-06-16 13:40 ` Christophe Leroy
2022-06-16 13:57 ` Peter Zijlstra [this message]
2022-06-16 14:06 ` Christophe Leroy
2022-06-17 14:04 ` Naveen N. Rao
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=Yqs235037JrOOhBA@hirez.programming.kicks-ass.net \
--to=peterz@infradead$(echo .)org \
--cc=aik@ozlabs$(echo .)ru \
--cc=chenzhongjin@huawei$(echo .)com \
--cc=christophe.leroy@csgroup$(echo .)eu \
--cc=jpoimboe@redhat$(echo .)com \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linuxppc-dev@lists$(echo .)ozlabs.org \
--cc=mbenes@suse$(echo .)cz \
--cc=naveen.n.rao@linux$(echo .)vnet.ibm.com \
--cc=rostedt@goodmis$(echo .)org \
--cc=sv@linux$(echo .)ibm.com \
--cc=sv@linux$(echo .)vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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