From: dave.long@linaro.org (David Long)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 07/13] ARM: move generic thumb instruction parsing code to new files for use by other features
Date: Thu, 14 Nov 2013 09:13:28 -0500 [thread overview]
Message-ID: <5284DA88.6060809@linaro.org> (raw)
In-Reply-To: <1384362541.3392.40.camel@linaro1.home>
On 11/13/13 12:09, Jon Medhurst (Tixy) wrote:
> On Tue, 2013-10-15 at 17:04 -0400, David Long wrote:
>> From: "David A. Long" <dave.long@linaro.org>
>>
>> Move the thumb version of the kprobes instruction parsing code into more generic
>
> This patch is moving the 'ARM' instructions, not 'thumb' instructions,
> so both description and title needs fixing for that.
Indeed. I've fixed it for the next version.
> Actually, after looking at patch 08/13, that one seems to erroneously
> include the thumb reorg, I'm guessing that was meant to be in this patch
> instead, or in a standalone patch?
I've now broken the thumb reorg out into its own patch with appropriate
description.
>> files from where it can be used by uprobes and possibly other subsystems. The
>> symbol names will be made more generic in a subsequent part of this patchset.
>>
>> Signed-off-by: David A. Long <dave.long@linaro.org>
>> ---
>> arch/arm/include/asm/probes.h | 2 +
>> arch/arm/kernel/Makefile | 4 +-
>> arch/arm/kernel/kprobes-arm.c | 723 +-------------------------------------
>> arch/arm/kernel/kprobes-common.c | 422 +---------------------
>> arch/arm/kernel/kprobes-test.c | 1 +
>> arch/arm/kernel/kprobes-thumb.c | 1 +
>> arch/arm/kernel/kprobes.c | 1 +
>> arch/arm/kernel/kprobes.h | 372 --------------------
>> arch/arm/kernel/probes-arm.c | 730 +++++++++++++++++++++++++++++++++++++++
>> arch/arm/kernel/probes-arm.h | 38 ++
>> arch/arm/kernel/probes.c | 441 +++++++++++++++++++++++
>> arch/arm/kernel/probes.h | 395 +++++++++++++++++++++
>> 12 files changed, 1622 insertions(+), 1508 deletions(-)
>> create mode 100644 arch/arm/kernel/probes-arm.c
>> create mode 100644 arch/arm/kernel/probes-arm.h
>> create mode 100644 arch/arm/kernel/probes.c
>> create mode 100644 arch/arm/kernel/probes.h
>
> A git tip: if you use the -C argument with git format-patch (and
> send-email I assume) then it will detect files which are copies of
> others and produce a much smaller patch, as well as a more informative
> file summary. I believe that this is OK for submissions posted to
> mailing lists, I know that I've seen people regularly reminded to use -M
> (which detects file renames).
>
> [...]
I will give this a try with the next round.
>
>> --- a/arch/arm/kernel/kprobes-arm.c
>> +++ b/arch/arm/kernel/kprobes-arm.c
>> @@ -63,10 +63,8 @@
>> #include <linux/module.h>
>>
>> #include "kprobes.h"
>> -
>> -#define sign_extend(x, signbit) ((x) | (0 - ((x) & (1 << (signbit)))))
>> -
>> -#define branch_displacement(insn) sign_extend(((insn) & 0xffffff) << 2, 25)
>> +#include "probes.h"
>
> Rather than include "probes.h" after "kprobes.h" here, (and in the other
> 7 places in this patch, and other patches) I think it would make more
> sense to have kprobes.h include probes.h as kprobes code is always going
> to depend on the new generic probe functions.
Suggested change applied for next version.
-dl
next prev parent reply other threads:[~2013-11-14 14:13 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 21:04 [PATCH v2 00/13] uprobes: Add uprobes support for ARM David Long
2013-10-15 21:04 ` [PATCH v2 01/13] uprobes: move function declarations out of arch David Long
2013-11-05 16:01 ` Oleg Nesterov
2013-11-05 18:16 ` Oleg Nesterov
2013-11-05 19:01 ` [PATCH] uprobes: Export write_opcode() as uprobe_write_opcode() Oleg Nesterov
2013-11-05 19:55 ` David Long
2013-11-05 19:13 ` [PATCH v2 01/13] uprobes: move function declarations out of arch David Long
2013-10-15 21:04 ` [PATCH v2 02/13] uprobes: allow ignoring of probe hits David Long
2013-10-19 17:02 ` Oleg Nesterov
2013-10-22 3:45 ` David Long
2013-10-22 11:25 ` Oleg Nesterov
2013-10-22 23:56 ` David Long
2013-10-28 18:54 ` Oleg Nesterov
2013-10-30 21:11 ` David Long
2013-10-15 21:04 ` [PATCH v2 03/13] uprobes: allow arch access to xol slot David Long
2013-10-19 16:36 ` Oleg Nesterov
2013-10-23 0:03 ` David Long
2013-10-29 15:40 ` Oleg Nesterov
2013-11-04 19:49 ` [PATCH] uprobes: introduce arch_uprobe->ixol Oleg Nesterov
2013-11-04 21:25 ` David Long
2013-11-05 16:04 ` David Long
2013-11-05 18:01 ` Oleg Nesterov
2013-11-05 18:45 ` David Long
2013-10-15 21:04 ` [PATCH v2 04/13] uprobes: allow arch-specific initialization David Long
2013-10-19 16:42 ` Oleg Nesterov
2013-10-23 1:21 ` David Long
2013-10-28 18:58 ` Oleg Nesterov
2013-10-31 18:41 ` David Long
2013-11-01 13:52 ` Oleg Nesterov
2013-11-04 3:24 ` David Long
2013-10-15 21:04 ` [PATCH v2 05/13] uprobes: add arch write opcode hook David Long
2013-10-19 16:50 ` Oleg Nesterov
2013-10-23 18:20 ` David Long
2013-10-28 19:49 ` Oleg Nesterov
2013-10-29 19:59 ` Oleg Nesterov
2013-11-02 3:33 ` David Long
2013-11-02 14:03 ` Oleg Nesterov
2013-10-15 21:04 ` [PATCH v2 06/13] ARM: move shared uprobe/kprobe definitions into new include file David Long
2013-10-15 21:04 ` [PATCH v2 09/13] ARM: Disable jprobe selftests in thumb kernels David Long
2013-11-07 17:26 ` Jon Medhurst (Tixy)
2013-11-10 22:57 ` David Long
2013-10-15 21:04 ` [PATCH v2 10/13] kprobes: Remove uneeded kernel dependency on struct arch_specific_insn David Long
2013-11-13 17:13 ` Jon Medhurst (Tixy)
2013-11-14 2:02 ` Masami Hiramatsu
2013-11-14 14:15 ` Jon Medhurst (Tixy)
2013-11-14 20:33 ` David Long
2013-11-15 10:23 ` Masami Hiramatsu
2013-11-15 15:16 ` David Long
2013-11-15 10:11 ` Masami Hiramatsu
2013-11-14 1:20 ` Masami Hiramatsu
2013-10-15 21:04 ` [PATCH v2 11/13] ARM: Finish renaming ARM kprobes APIs for sharing with uprobes David Long
2013-11-13 17:16 ` Jon Medhurst (Tixy)
2013-11-15 15:45 ` David Long
2013-10-15 21:04 ` [PATCH v2 12/13] ARM: add uprobes support David Long
2013-10-15 21:04 ` [PATCH v2 13/13] ARM: Remove uprobes dependency on kprobes David Long
[not found] ` <1381871068-27660-8-git-send-email-dave.long@linaro.org>
2013-11-13 17:09 ` [PATCH v2 07/13] ARM: move generic thumb instruction parsing code to new files for use by other features Jon Medhurst (Tixy)
2013-11-14 14:13 ` David Long [this message]
[not found] ` <1381871068-27660-9-git-send-email-dave.long@linaro.org>
2013-11-13 17:11 ` [PATCH v2 08/13] ARM: use a function table for determining instruction interpreter actions Jon Medhurst (Tixy)
2013-11-14 15:17 ` David Long
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=5284DA88.6060809@linaro.org \
--to=dave.long@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
/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).